merge

.gitattributes

@@ -0,0 +1,2 @@
+# Normalize EOL for all files that Git considers text files.
+* text=auto eol=lf

.woodpecker.yml

@@ -60,6 +60,9 @@ pipeline:
         -D clippy::unused_self
         -A clippy::uninlined_format_args
         -D clippy::get_first
+        -D clippy::explicit_into_iter_loop
+        -D clippy::explicit_iter_loop
+        -D clippy::needless_collect
       - cargo clippy --workspace --features console --
         -D clippy::unwrap_used
         -D clippy::indexing_slicing

Cargo.lock

@@ -14,9 +14,9 @@ dependencies = [
 
 [[package]]
 name = "activitypub_federation"
-version = "0.4.4"
+version = "0.4.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "27540f6c4b72c91176610ed5279061a021387f972c7c6f42c41032b78a808267"
+checksum = "4ab3ac148d9c0b4163a6d41040c17de7558a42224b9ecbd4e8f033aef6c254d9"
 dependencies = [
  "activitystreams-kinds",
  "actix-web",
@@ -122,10 +122,12 @@ dependencies = [
  "ahash 0.8.3",
  "base64 0.21.2",
  "bitflags 1.3.2",
+ "brotli",
  "bytes",
  "bytestring",
  "derive_more",
  "encoding_rs",
+ "flate2",
  "futures-core",
  "h2",
  "http",
@@ -143,6 +145,7 @@ dependencies = [
  "tokio",
  "tokio-util 0.7.4",
  "tracing",
+ "zstd",
 ]
 
 [[package]]
@@ -215,7 +218,7 @@ dependencies = [
  "futures-util",
  "mio",
  "num_cpus",
- "socket2",
+ "socket2 0.4.9",
  "tokio",
  "tracing",
 ]
@@ -245,7 +248,7 @@ dependencies = [
  "http",
  "log",
  "pin-project-lite",
- "tokio-rustls",
+ "tokio-rustls 0.23.4",
  "tokio-util 0.7.4",
  "webpki-roots",
 ]
@@ -297,7 +300,7 @@ dependencies = [
  "serde_json",
  "serde_urlencoded",
  "smallvec",
- "socket2",
+ "socket2 0.4.9",
  "time 0.3.15",
  "url",
 ]
@@ -361,6 +364,21 @@ dependencies = [
  "memchr",
 ]
 
+[[package]]
+name = "alloc-no-stdlib"
+version = "2.0.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "cc7bb162ec39d46ab1ca8c77bf72e890535becd1751bb45f64c597edb4c8c6b3"
+
+[[package]]
+name = "alloc-stdlib"
+version = "0.2.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "94fb8275041c72129eb51b7d0322c29b8387a0386127718b096429201a5d6ece"
+dependencies = [
+ "alloc-no-stdlib",
+]
+
 [[package]]
 name = "android-tzdata"
 version = "0.1.1"
@@ -496,7 +514,7 @@ dependencies = [
  "percent-encoding",
  "pin-project-lite",
  "rand 0.8.5",
- "rustls",
+ "rustls 0.20.7",
  "serde",
  "serde_json",
  "serde_urlencoded",
@@ -714,6 +732,27 @@ dependencies = [
  "cipher",
 ]
 
+[[package]]
+name = "brotli"
+version = "3.3.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a1a0b1dbcc8ae29329621f8d4f0d835787c1c38bb1401979b49d13b0b305ff68"
+dependencies = [
+ "alloc-no-stdlib",
+ "alloc-stdlib",
+ "brotli-decompressor",
+]
+
+[[package]]
+name = "brotli-decompressor"
+version = "2.3.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4b6561fd3f895a11e8f72af2cb7d22e08366bebc2b6b57f7744c4bda27034744"
+dependencies = [
+ "alloc-no-stdlib",
+ "alloc-stdlib",
+]
+
 [[package]]
 name = "bumpalo"
 version = "3.11.1"
@@ -766,6 +805,9 @@ name = "cc"
 version = "1.0.73"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "2fff2a6927b3bb87f9595d67196a70493f627687a71d87a0d692242c33f58c11"
+dependencies = [
+ "jobserver",
+]
 
 [[package]]
 name = "cesu8"
@@ -1328,6 +1370,7 @@ dependencies = [
  "itoa",
  "pq-sys",
  "serde_json",
+ "uuid",
 ]
 
 [[package]]
@@ -2262,7 +2305,7 @@ dependencies = [
  "httpdate",
  "itoa",
  "pin-project-lite",
- "socket2",
+ "socket2 0.4.9",
  "tokio",
  "tower-service",
  "tracing",
@@ -2470,6 +2513,15 @@ version = "0.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "8eaf4bc02d17cbdd7ff4c7438cafcdf7fb9a4613313ad11b4f8fefe7d3fa0130"
 
+[[package]]
+name = "jobserver"
+version = "0.1.26"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "936cfd212a0155903bcbc060e316fb6cc7cbf2e1907329391ebadc1fe0ce77c2"
+dependencies = [
+ "libc",
+]
+
 [[package]]
 name = "js-sys"
 version = "0.3.60"
@@ -2518,7 +2570,7 @@ checksum = "e2abad23fbc42b3700f2f279844dc832adb2b2eb069b2df918f455c4e18cc646"
 
 [[package]]
 name = "lemmy_api"
-version = "0.18.0"
+version = "0.18.1-rc.4"
 dependencies = [
  "actix-web",
  "anyhow",
@@ -2526,6 +2578,7 @@ dependencies = [
  "base64 0.13.1",
  "bcrypt",
  "captcha",
+ "chrono",
  "lemmy_api_common",
  "lemmy_db_schema",
  "lemmy_db_views",
@@ -2541,9 +2594,8 @@ dependencies = [
 
 [[package]]
 name = "lemmy_api_common"
-version = "0.18.0"
+version = "0.18.1-rc.4"
 dependencies = [
- "actix-rt",
  "actix-web",
  "anyhow",
  "chrono",
@@ -2561,6 +2613,7 @@ dependencies = [
  "rosetta-i18n",
  "serde",
  "serde_with",
+ "tokio",
  "tracing",
  "ts-rs",
  "url",
@@ -2570,12 +2623,13 @@ dependencies = [
 
 [[package]]
 name = "lemmy_api_crud"
-version = "0.18.0"
+version = "0.18.1-rc.4"
 dependencies = [
  "activitypub_federation",
  "actix-web",
  "async-trait",
  "bcrypt",
+ "chrono",
  "lemmy_api_common",
  "lemmy_db_schema",
  "lemmy_db_views",
@@ -2584,15 +2638,15 @@ dependencies = [
  "serde",
  "tracing",
  "url",
+ "uuid",
  "webmention",
 ]
 
 [[package]]
 name = "lemmy_apub"
-version = "0.18.0"
+version = "0.18.1-rc.4"
 dependencies = [
  "activitypub_federation",
- "actix-rt",
  "actix-web",
  "anyhow",
  "assert-json-diff",
@@ -2620,6 +2674,7 @@ dependencies = [
  "sha2",
  "strum_macros",
  "task-local-extensions",
+ "tokio",
  "tracing",
  "url",
  "uuid",
@@ -2627,7 +2682,7 @@ dependencies = [
 
 [[package]]
 name = "lemmy_db_schema"
-version = "0.18.0"
+version = "0.18.1-rc.4"
 dependencies = [
  "activitypub_federation",
  "async-trait",
@@ -2640,9 +2695,11 @@ dependencies = [
  "diesel-derive-newtype",
  "diesel_ltree",
  "diesel_migrations",
+ "futures-util",
  "lemmy_utils",
  "once_cell",
  "regex",
+ "rustls 0.21.2",
  "serde",
  "serde_json",
  "serde_with",
@@ -2651,15 +2708,18 @@ dependencies = [
  "strum",
  "strum_macros",
  "tokio",
+ "tokio-postgres",
+ "tokio-postgres-rustls",
  "tracing",
  "ts-rs",
  "typed-builder",
  "url",
+ "uuid",
 ]
 
 [[package]]
 name = "lemmy_db_views"
-version = "0.18.0"
+version = "0.18.1-rc.4"
 dependencies = [
  "diesel",
  "diesel-async",
@@ -2676,7 +2736,7 @@ dependencies = [
 
 [[package]]
 name = "lemmy_db_views_actor"
-version = "0.18.0"
+version = "0.18.1-rc.4"
 dependencies = [
  "diesel",
  "diesel-async",
@@ -2689,7 +2749,7 @@ dependencies = [
 
 [[package]]
 name = "lemmy_db_views_moderator"
-version = "0.18.0"
+version = "0.18.1-rc.4"
 dependencies = [
  "diesel",
  "diesel-async",
@@ -2701,7 +2761,7 @@ dependencies = [
 
 [[package]]
 name = "lemmy_routes"
-version = "0.18.0"
+version = "0.18.1-rc.4"
 dependencies = [
  "activitypub_federation",
  "actix-web",
@@ -2726,16 +2786,18 @@ dependencies = [
 
 [[package]]
 name = "lemmy_server"
-version = "0.18.0"
+version = "0.18.1-rc.4"
 dependencies = [
  "activitypub_federation",
  "actix-cors",
  "actix-web",
+ "chrono",
  "clokwerk",
  "console-subscriber",
  "diesel",
  "diesel-async",
  "doku",
+ "futures-util",
  "lemmy_api",
  "lemmy_api_common",
  "lemmy_api_crud",
@@ -2749,9 +2811,12 @@ dependencies = [
  "reqwest",
  "reqwest-middleware",
  "reqwest-tracing",
+ "rustls 0.21.2",
  "serde",
  "serde_json",
  "tokio",
+ "tokio-postgres",
+ "tokio-postgres-rustls",
  "tracing",
  "tracing-actix-web 0.6.2",
  "tracing-error",
@@ -2763,7 +2828,7 @@ dependencies = [
 
 [[package]]
 name = "lemmy_utils"
-version = "0.18.0"
+version = "0.18.1-rc.4"
 dependencies = [
  "actix-web",
  "anyhow",
@@ -2820,7 +2885,7 @@ dependencies = [
  "nom 7.1.1",
  "once_cell",
  "quoted_printable",
- "socket2",
+ "socket2 0.4.9",
 ]
 
 [[package]]
@@ -3932,11 +3997,11 @@ dependencies = [
 
 [[package]]
 name = "postgres-protocol"
-version = "0.6.4"
+version = "0.6.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "878c6cbf956e03af9aa8204b407b9cbf47c072164800aa918c516cd4b056c50c"
+checksum = "78b7fa9f396f51dffd61546fd8573ee20592287996568e6175ceb0f8699ad75d"
 dependencies = [
- "base64 0.13.1",
+ "base64 0.21.2",
  "byteorder",
  "bytes",
  "fallible-iterator",
@@ -4495,6 +4560,28 @@ dependencies = [
  "webpki",
 ]
 
+[[package]]
+name = "rustls"
+version = "0.21.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e32ca28af694bc1bbf399c33a516dbdf1c90090b8ab23c2bc24f834aa2247f5f"
+dependencies = [
+ "log",
+ "ring",
+ "rustls-webpki",
+ "sct",
+]
+
+[[package]]
+name = "rustls-webpki"
+version = "0.100.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d6207cd5ed3d8dca7816f8f3725513a34609c0c765bf652b8c3cb4cfd87db46b"
+dependencies = [
+ "ring",
+ "untrusted",
+]
+
 [[package]]
 name = "rustversion"
 version = "1.0.9"
@@ -4859,6 +4946,16 @@ dependencies = [
  "winapi",
 ]
 
+[[package]]
+name = "socket2"
+version = "0.5.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2538b18701741680e0322a2302176d3253a35388e2e62f172f64f4f16605f877"
+dependencies = [
+ "libc",
+ "windows-sys 0.48.0",
+]
+
 [[package]]
 name = "spin"
 version = "0.5.2"
@@ -5304,7 +5401,7 @@ dependencies = [
  "parking_lot 0.12.1",
  "pin-project-lite",
  "signal-hook-registry",
- "socket2",
+ "socket2 0.4.9",
  "tokio-macros",
  "tracing",
  "windows-sys 0.48.0",
@@ -5343,9 +5440,9 @@ dependencies = [
 
 [[package]]
 name = "tokio-postgres"
-version = "0.7.7"
+version = "0.7.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "29a12c1b3e0704ae7dfc25562629798b29c72e6b1d0a681b6f29ab4ae5e7f7bf"
+checksum = "6e89f6234aa8fd43779746012fcf53603cdb91fdd8399aa0de868c2d56b6dde1"
 dependencies = [
  "async-trait",
  "byteorder",
@@ -5360,22 +5457,46 @@ dependencies = [
  "pin-project-lite",
  "postgres-protocol",
  "postgres-types",
- "socket2",
+ "socket2 0.5.3",
  "tokio",
  "tokio-util 0.7.4",
 ]
 
+[[package]]
+name = "tokio-postgres-rustls"
+version = "0.10.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "dd5831152cb0d3f79ef5523b357319ba154795d64c7078b2daa95a803b54057f"
+dependencies = [
+ "futures",
+ "ring",
+ "rustls 0.21.2",
+ "tokio",
+ "tokio-postgres",
+ "tokio-rustls 0.24.1",
+]
+
 [[package]]
 name = "tokio-rustls"
 version = "0.23.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "c43ee83903113e03984cb9e5cebe6c04a5116269e900e3ddba8f068a62adda59"
 dependencies = [
- "rustls",
+ "rustls 0.20.7",
  "tokio",
  "webpki",
 ]
 
+[[package]]
+name = "tokio-rustls"
+version = "0.24.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c28327cf380ac148141087fbfb9de9d7bd4e84ab5d2c28fbc911d753de8a7081"
+dependencies = [
+ "rustls 0.21.2",
+ "tokio",
+]
+
 [[package]]
 name = "tokio-stream"
 version = "0.1.11"
@@ -6460,3 +6581,33 @@ name = "zeroize"
 version = "1.5.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "c394b5bd0c6f669e7275d9c20aa90ae064cb22e75a1cad54e1b34088034b149f"
+
+[[package]]
+name = "zstd"
+version = "0.12.3+zstd.1.5.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "76eea132fb024e0e13fd9c2f5d5d595d8a967aa72382ac2f9d39fcc95afd0806"
+dependencies = [
+ "zstd-safe",
+]
+
+[[package]]
+name = "zstd-safe"
+version = "6.0.5+zstd.1.5.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d56d9e60b4b1758206c238a10165fbcae3ca37b01744e394c463463f6529d23b"
+dependencies = [
+ "libc",
+ "zstd-sys",
+]
+
+[[package]]
+name = "zstd-sys"
+version = "2.0.8+zstd.1.5.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5556e6ee25d32df2586c098bbfa278803692a20d0ab9565e049480d52707ec8c"
+dependencies = [
+ "cc",
+ "libc",
+ "pkg-config",
+]

Cargo.toml

@@ -1,5 +1,5 @@
 [workspace.package]
-version = "0.18.0"
+version = "0.18.1-rc.4"
 edition = "2021"
 description = "A link aggregator for the fediverse"
 license = "AGPL-3.0"
@@ -49,23 +49,23 @@ members = [
 ]
 
 [workspace.dependencies]
-lemmy_api = { version = "=0.18.0", path = "./crates/api" }
+lemmy_api = { version = "=0.18.1-rc.4", path = "./crates/api" }
-lemmy_api_crud = { version = "=0.18.0", path = "./crates/api_crud" }
+lemmy_api_crud = { version = "=0.18.1-rc.4", path = "./crates/api_crud" }
-lemmy_apub = { version = "=0.18.0", path = "./crates/apub" }
+lemmy_apub = { version = "=0.18.1-rc.4", path = "./crates/apub" }
-lemmy_utils = { version = "=0.18.0", path = "./crates/utils" }
+lemmy_utils = { version = "=0.18.1-rc.4", path = "./crates/utils" }
-lemmy_db_schema = { version = "=0.18.0", path = "./crates/db_schema" }
+lemmy_db_schema = { version = "=0.18.1-rc.4", path = "./crates/db_schema" }
-lemmy_api_common = { version = "=0.18.0", path = "./crates/api_common" }
+lemmy_api_common = { version = "=0.18.1-rc.4", path = "./crates/api_common" }
-lemmy_routes = { version = "=0.18.0", path = "./crates/routes" }
+lemmy_routes = { version = "=0.18.1-rc.4", path = "./crates/routes" }
-lemmy_db_views = { version = "=0.18.0", path = "./crates/db_views" }
+lemmy_db_views = { version = "=0.18.1-rc.4", path = "./crates/db_views" }
-lemmy_db_views_actor = { version = "=0.18.0", path = "./crates/db_views_actor" }
+lemmy_db_views_actor = { version = "=0.18.1-rc.4", path = "./crates/db_views_actor" }
-lemmy_db_views_moderator = { version = "=0.18.0", path = "./crates/db_views_moderator" }
+lemmy_db_views_moderator = { version = "=0.18.1-rc.4", path = "./crates/db_views_moderator" }
 activitypub_federation = { version = "0.4.4", default-features = false, features = ["actix-web"] }
 diesel = "2.1.0"
 diesel_migrations = "2.1.0"
 diesel-async = "0.3.1"
 serde = { version = "1.0.164", features = ["derive"] }
 serde_with = "1.14.0"
-actix-web = { version = "4.3.1", default-features = false, features = ["macros", "rustls"] }
+actix-web = { version = "4.3.1", default-features = false, features = ["macros", "rustls", "compress-brotli", "compress-gzip", "compress-zstd"] }
 tracing = "0.1.37"
 tracing-actix-web = { version = "0.6.2", default-features = false }
 tracing-error = "0.2.0"
@@ -89,7 +89,7 @@ anyhow = "1.0.71"
 diesel_ltree = "0.3.0"
 typed-builder = "0.10.0"
 serial_test = "0.9.0"
-tokio = "1.28.2"
+tokio = { version = "1.28.2", features = ["full"] }
 sha2 = "0.10.6"
 regex = "1.8.4"
 once_cell = "1.18.0"
@@ -100,13 +100,16 @@ strum_macros = "0.24.3"
 itertools = "0.10.5"
 futures = "0.3.28"
 http = "0.2.9"
-actix-rt = { version = "2.8.0", default-features = false }
 percent-encoding = "2.3.0"
 rosetta-i18n = "0.1.2"
 rand = "0.8.5"
 opentelemetry = { version = "0.17.0", features = ["rt-tokio"] }
 tracing-opentelemetry = { version = "0.17.4" }
 ts-rs = { version = "6.2", features = ["serde-compat", "format", "chrono-impl"] }
+rustls = { version ="0.21.2", features = ["dangerous_configuration"]}
+futures-util = "0.3.28"
+tokio-postgres = "0.7.8"
+tokio-postgres-rustls = "0.10.0"
 
 [dependencies]
 lemmy_api = { workspace = true }
@@ -140,3 +143,8 @@ opentelemetry-otlp = { version = "0.10.0", optional = true }
 pict-rs = { version = "0.4.0-rc.3", optional = true }
 tokio.workspace = true
 actix-cors = "0.6.4"
+rustls = { workspace = true }
+futures-util = { workspace = true }
+tokio-postgres = { workspace = true }
+tokio-postgres-rustls = { workspace = true }
+chrono = { workspace = true }

README.md

@@ -123,6 +123,7 @@ Each Lemmy server can set its own moderation policy; appointing site-wide admins
 - [Jerboa - A native Android app made by Lemmy's developers](https://github.com/dessalines/jerboa)
 - [Mlem - A Lemmy client for iOS](https://github.com/buresdv/Mlem)
 - [Lemoa - A Gtk client for Lemmy on Linux](https://github.com/lemmy-gtk/lemoa)
+- [Liftoff - A Lemmy for Windows , Linux and Android ](https://github.com/liftoff-app/liftoff)
 
 ### Libraries
 

config/defaults.hjson

@@ -76,4 +76,8 @@
   port: 8536
   # Whether the site is available over TLS. Needs to be true for federation to work.
   tls_enabled: true
+  # The number of activitypub federation workers that can be in-flight concurrently
+  worker_count: 0
+  # The number of activitypub federation retry workers that can be in-flight concurrently
+  retry_count: 0
 }

crates/api/Cargo.toml

@@ -29,6 +29,7 @@ async-trait = { workspace = true }
 captcha = { workspace = true }
 anyhow = { workspace = true }
 tracing = { workspace = true }
+chrono = { workspace = true }
 
 [dev-dependencies]
 serial_test = { workspace = true }

crates/api/src/community/ban.rs

@@ -47,7 +47,7 @@ impl Perform for BanFromCommunity {
       community_id,
     )
     .await?;
-    is_valid_body_field(&data.reason)?;
+    is_valid_body_field(&data.reason, false)?;
 
     let community_user_ban_form = CommunityPersonBanForm {
       community_id: data.community_id,

crates/api/src/lib.rs

@@ -1,4 +1,5 @@
 use actix_web::web::Data;
+use captcha::Captcha;
 use lemmy_api_common::{context::LemmyContext, utils::local_site_to_slur_regex};
 use lemmy_db_schema::source::local_site::LocalSite;
 use lemmy_utils::{error::LemmyError, utils::slurs::check_slurs};
@@ -20,6 +21,21 @@ pub trait Perform {
   async fn perform(&self, context: &Data<LemmyContext>) -> Result<Self::Response, LemmyError>;
 }
 
+/// Converts the captcha to a base64 encoded wav audio file
+pub(crate) fn captcha_as_wav_base64(captcha: &Captcha) -> String {
+  let letters = captcha.as_wav();
+
+  let mut concat_letters: Vec<u8> = Vec::new();
+
+  for letter in letters {
+    let bytes = letter.unwrap_or_default();
+    concat_letters.extend(bytes);
+  }
+
+  // Convert to base64
+  base64::encode(concat_letters)
+}
+
 /// Check size of report and remove whitespace
 pub(crate) fn check_report_reason(reason: &str, local_site: &LocalSite) -> Result<(), LemmyError> {
   let slur_regex = &local_site_to_slur_regex(local_site);

crates/api/src/local_user/ban_person.rs

@@ -30,7 +30,7 @@ impl Perform for BanPerson {
     // Make sure user is an admin
     is_admin(&local_user_view)?;
 
-    is_valid_body_field(&data.reason)?;
+    is_valid_body_field(&data.reason, false)?;
 
     let ban = data.ban;
     let banned_person_id = data.person_id;

crates/api/src/local_user/get_captcha.rs

@@ -0,0 +1,50 @@
+use crate::{captcha_as_wav_base64, Perform};
+use actix_web::web::Data;
+use captcha::{gen, Difficulty};
+use lemmy_api_common::{
+  context::LemmyContext,
+  person::{CaptchaResponse, GetCaptcha, GetCaptchaResponse},
+};
+use lemmy_db_schema::source::{
+  captcha_answer::{CaptchaAnswer, CaptchaAnswerForm},
+  local_site::LocalSite,
+};
+use lemmy_utils::error::LemmyError;
+
+#[async_trait::async_trait(?Send)]
+impl Perform for GetCaptcha {
+  type Response = GetCaptchaResponse;
+
+  #[tracing::instrument(skip(context))]
+  async fn perform(&self, context: &Data<LemmyContext>) -> Result<Self::Response, LemmyError> {
+    let local_site = LocalSite::read(context.pool()).await?;
+
+    if !local_site.captcha_enabled {
+      return Ok(GetCaptchaResponse { ok: None });
+    }
+
+    let captcha = gen(match local_site.captcha_difficulty.as_str() {
+      "easy" => Difficulty::Easy,
+      "hard" => Difficulty::Hard,
+      _ => Difficulty::Medium,
+    });
+
+    let answer = captcha.chars_as_string();
+
+    let png = captcha.as_base64().expect("failed to generate captcha");
+
+    let wav = captcha_as_wav_base64(&captcha);
+
+    let captcha_form: CaptchaAnswerForm = CaptchaAnswerForm { answer };
+    // Stores the captcha item in the db
+    let captcha = CaptchaAnswer::insert(context.pool(), &captcha_form).await?;
+
+    Ok(GetCaptchaResponse {
+      ok: Some(CaptchaResponse {
+        png,
+        wav,
+        uuid: captcha.uuid.to_string(),
+      }),
+    })
+  }
+}

crates/api/src/local_user/mod.rs

@@ -3,6 +3,7 @@ mod ban_person;
 mod block;
 mod change_password;
 mod change_password_after_reset;
+mod get_captcha;
 mod list_banned;
 mod login;
 mod notifications;

crates/api/src/local_user/reset_password.rs

@@ -5,6 +5,7 @@ use lemmy_api_common::{
   person::{PasswordReset, PasswordResetResponse},
   utils::send_password_reset_email,
 };
+use lemmy_db_schema::source::password_reset_request::PasswordResetRequest;
 use lemmy_db_views::structs::LocalUserView;
 use lemmy_utils::error::LemmyError;
 
@@ -25,6 +26,16 @@ impl Perform for PasswordReset {
       .await
       .map_err(|e| LemmyError::from_error_message(e, "couldnt_find_that_username_or_email"))?;
 
+    // Check for too many attempts (to limit potential abuse)
+    let recent_resets_count = PasswordResetRequest::get_recent_password_resets_count(
+      context.pool(),
+      local_user_view.local_user.id,
+    )
+    .await?;
+    if recent_resets_count >= 3 {
+      return Err(LemmyError::from_message("password_reset_limit_reached"));
+    }
+
     // Email the pure token to the user.
     send_password_reset_email(
       &local_user_view,

crates/api/src/site/purge/comment.rs

@@ -3,7 +3,7 @@ use actix_web::web::Data;
 use lemmy_api_common::{
   context::LemmyContext,
   site::{PurgeComment, PurgeItemResponse},
-  utils::{is_top_admin, local_user_view_from_jwt},
+  utils::{is_admin, local_user_view_from_jwt},
 };
 use lemmy_db_schema::{
   source::{
@@ -23,8 +23,8 @@ impl Perform for PurgeComment {
     let data: &Self = self;
     let local_user_view = local_user_view_from_jwt(&data.auth, context).await?;
 
-    // Only let the top admin purge an item
+    // Only let admin purge an item
-    is_top_admin(&mut *context.conn().await?, local_user_view.person.id).await?;
+    is_admin(&local_user_view)?;
 
     let comment_id = data.comment_id;
 

crates/api/src/site/purge/community.rs

@@ -4,7 +4,7 @@ use lemmy_api_common::{
   context::LemmyContext,
   request::purge_image_from_pictrs,
   site::{PurgeCommunity, PurgeItemResponse},
-  utils::{is_top_admin, local_user_view_from_jwt, purge_image_posts_for_community},
+  utils::{is_admin, local_user_view_from_jwt, purge_image_posts_for_community},
 };
 use lemmy_db_schema::{
   source::{
@@ -24,8 +24,8 @@ impl Perform for PurgeCommunity {
     let data: &Self = self;
     let local_user_view = local_user_view_from_jwt(&data.auth, context).await?;
 
-    // Only let the top admin purge an item
+    // Only let admin purge an item
-    is_top_admin(&mut *context.conn().await?, local_user_view.person.id).await?;
+    is_admin(&local_user_view)?;
 
     let community_id = data.community_id;
 

crates/api/src/site/purge/person.rs

@@ -4,7 +4,7 @@ use lemmy_api_common::{
   context::LemmyContext,
   request::purge_image_from_pictrs,
   site::{PurgeItemResponse, PurgePerson},
-  utils::{is_top_admin, local_user_view_from_jwt, purge_image_posts_for_person},
+  utils::{is_admin, local_user_view_from_jwt, purge_image_posts_for_person},
 };
 use lemmy_db_schema::{
   source::{
@@ -24,8 +24,8 @@ impl Perform for PurgePerson {
     let data: &Self = self;
     let local_user_view = local_user_view_from_jwt(&data.auth, context).await?;
 
-    // Only let the top admin purge an item
+    // Only let admin purge an item
-    is_top_admin(&mut *context.conn().await?, local_user_view.person.id).await?;
+    is_admin(&local_user_view)?;
 
     // Read the person to get their images
     let person_id = data.person_id;

crates/api/src/site/purge/post.rs

@@ -4,7 +4,7 @@ use lemmy_api_common::{
   context::LemmyContext,
   request::purge_image_from_pictrs,
   site::{PurgeItemResponse, PurgePost},
-  utils::{is_top_admin, local_user_view_from_jwt},
+  utils::{is_admin, local_user_view_from_jwt},
 };
 use lemmy_db_schema::{
   source::{
@@ -24,8 +24,8 @@ impl Perform for PurgePost {
     let data: &Self = self;
     let local_user_view = local_user_view_from_jwt(&data.auth, context).await?;
 
-    // Only let the top admin purge an item
+    // Only let admin purge an item
-    is_top_admin(&mut *context.conn().await?, local_user_view.person.id).await?;
+    is_admin(&local_user_view)?;
 
     let post_id = data.post_id;
 

crates/api_common/Cargo.toml

@@ -33,12 +33,12 @@ reqwest-middleware = { workspace = true, optional = true }
 regex = { workspace = true }
 rosetta-i18n = { workspace = true, optional = true }
 percent-encoding = { workspace = true, optional = true }
-webpage = { version = "1.6.0", default-features = false, features = ["serde"], optional = true }
+webpage = { version = "1.6", default-features = false, features = ["serde"], optional = true }
 encoding = { version = "0.2.33", optional = true }
 anyhow = { workspace = true }
 futures = { workspace = true }
 uuid = { workspace = true }
-actix-rt = { workspace = true }
+tokio = { workspace = true }
 reqwest = { workspace = true }
 ts-rs = { workspace = true, optional = true }
 actix-web = { workspace = true }

crates/api_common/README.md

@@ -24,3 +24,10 @@ As you can see, each API endpoint needs a parameter type ( GetPosts), path (/pos
 For a real example of a Lemmy API client, look at [lemmyBB](https://github.com/LemmyNet/lemmyBB/tree/main/src/api).
 
 Lemmy also provides a websocket API. You can find the full websocket code in [this file](https://github.com/LemmyNet/lemmy/blob/main/src/api_routes_websocket.rs).
+
+## Generate TypeScript bindings
+
+TypeScript bindings (API types) can be generated by running `cargo test --features full`.
+The ts files be generated into a `bindings` folder.
+
+This crate uses [`ts_rs`](https://docs.rs/ts-rs/6.2.1/ts_rs/#traits) macros `derive(TS)` and `ts(export)` to attribute types for binding generating.

crates/api_common/src/build_response.rs

@@ -103,7 +103,6 @@ pub async fn send_local_notifs(
   for mention in mentions
     .iter()
     .filter(|m| m.is_local(&context.settings().hostname) && m.name.ne(&person.name))
-    .collect::<Vec<&MentionData>>()
   {
     let mention_name = mention.name.clone();
     let user_view = LocalUserView::read_from_name(&mut *context.conn().await?, &mention_name).await;

crates/api_common/src/community.rs

@@ -76,6 +76,7 @@ pub struct CommunityResponse {
 pub struct ListCommunities {
   pub type_: Option<ListingType>,
   pub sort: Option<SortType>,
+  pub show_nsfw: Option<bool>,
   pub page: Option<i64>,
   pub limit: Option<i64>,
   pub auth: Option<Sensitive<String>>,

crates/api_common/src/request.rs

@@ -27,12 +27,12 @@ pub async fn fetch_site_metadata(
   // https://github.com/LemmyNet/lemmy/issues/1964
   let html_bytes = response.bytes().await.map_err(LemmyError::from)?.to_vec();
 
-  let tags = html_to_site_metadata(&html_bytes)?;
+  let tags = html_to_site_metadata(&html_bytes, url)?;
 
   Ok(tags)
 }
 
-fn html_to_site_metadata(html_bytes: &[u8]) -> Result<SiteMetadata, LemmyError> {
+fn html_to_site_metadata(html_bytes: &[u8], url: &Url) -> Result<SiteMetadata, LemmyError> {
   let html = String::from_utf8_lossy(html_bytes);
 
   // Make sure the first line is doctype html
@@ -81,12 +81,14 @@ fn html_to_site_metadata(html_bytes: &[u8]) -> Result<SiteMetadata, LemmyError>
     .opengraph
     .images
     .first()
-    .and_then(|ogo| Url::parse(&ogo.url).ok());
+    // join also works if the target URL is absolute
+    .and_then(|ogo| url.join(&ogo.url).ok());
   let og_embed_url = page
     .opengraph
     .videos
     .first()
-    .and_then(|v| Url::parse(&v.url).ok());
+    // join also works if the target URL is absolute
+    .and_then(|v| url.join(&v.url).ok());
 
   Ok(SiteMetadata {
     title: og_title.or(page_title),
@@ -266,12 +268,17 @@ pub fn build_user_agent(settings: &Settings) -> String {
 
 #[cfg(test)]
 mod tests {
-  use crate::request::{build_user_agent, fetch_site_metadata, SiteMetadata};
+  use crate::request::{
+    build_user_agent,
+    fetch_site_metadata,
+    html_to_site_metadata,
+    SiteMetadata,
+  };
   use lemmy_utils::settings::SETTINGS;
   use url::Url;
 
   // These helped with testing
-  #[actix_rt::test]
+  #[tokio::test]
   async fn test_site_metadata() {
     let settings = &SETTINGS.clone();
     let client = reqwest::Client::builder()
@@ -305,4 +312,46 @@ mod tests {
   //   let res_other = fetch_pictshare("https://upload.wikimedia.org/wikipedia/en/2/27/The_Mandalorian_logo.jpgaoeu");
   //   assert!(res_other.is_err());
   // }
+
+  #[test]
+  fn test_resolve_image_url() {
+    // url that lists the opengraph fields
+    let url = Url::parse("https://example.com/one/two.html").unwrap();
+
+    // root relative url
+    let html_bytes = b"<!DOCTYPE html><html><head><meta property='og:image' content='/image.jpg'></head><body></body></html>";
+    let metadata = html_to_site_metadata(html_bytes, &url).expect("Unable to parse metadata");
+    assert_eq!(
+      metadata.image,
+      Some(Url::parse("https://example.com/image.jpg").unwrap().into())
+    );
+
+    // base relative url
+    let html_bytes = b"<!DOCTYPE html><html><head><meta property='og:image' content='image.jpg'></head><body></body></html>";
+    let metadata = html_to_site_metadata(html_bytes, &url).expect("Unable to parse metadata");
+    assert_eq!(
+      metadata.image,
+      Some(
+        Url::parse("https://example.com/one/image.jpg")
+          .unwrap()
+          .into()
+      )
+    );
+
+    // absolute url
+    let html_bytes = b"<!DOCTYPE html><html><head><meta property='og:image' content='https://cdn.host.com/image.jpg'></head><body></body></html>";
+    let metadata = html_to_site_metadata(html_bytes, &url).expect("Unable to parse metadata");
+    assert_eq!(
+      metadata.image,
+      Some(Url::parse("https://cdn.host.com/image.jpg").unwrap().into())
+    );
+
+    // protocol relative url
+    let html_bytes = b"<!DOCTYPE html><html><head><meta property='og:image' content='//example.com/image.jpg'></head><body></body></html>";
+    let metadata = html_to_site_metadata(html_bytes, &url).expect("Unable to parse metadata");
+    assert_eq!(
+      metadata.image,
+      Some(Url::parse("https://example.com/image.jpg").unwrap().into())
+    );
+  }
 }

crates/api_common/src/site.rs

@@ -177,7 +177,6 @@ pub struct CreateSite {
   pub rate_limit_search_per_second: Option<i32>,
   pub federation_enabled: Option<bool>,
   pub federation_debug: Option<bool>,
-  pub federation_worker_count: Option<i32>,
   pub captcha_enabled: Option<bool>,
   pub captcha_difficulty: Option<String>,
   pub allowed_instances: Option<Vec<String>>,
@@ -250,8 +249,6 @@ pub struct EditSite {
   pub federation_enabled: Option<bool>,
   /// Enables federation debugging.
   pub federation_debug: Option<bool>,
-  /// The number of federation workers.
-  pub federation_worker_count: Option<i32>,
   /// Whether to enable captchas for signups.
   pub captcha_enabled: Option<bool>,
   /// The captcha difficulty. Can be easy, medium, or hard

crates/api_common/src/utils.rs

@@ -32,7 +32,6 @@ use lemmy_db_views_actor::structs::{
   CommunityModeratorView,
   CommunityPersonBanView,
   CommunityView,
-  PersonView,
 };
 use lemmy_utils::{
   claims::Claims,
@@ -79,18 +78,6 @@ pub async fn is_mod_or_admin_opt(
   }
 }
 
-pub async fn is_top_admin(conn: &mut DbConn, person_id: PersonId) -> Result<(), LemmyError> {
-  let admins = PersonView::admins(conn).await?;
-  let top_admin = admins
-    .first()
-    .ok_or_else(|| LemmyError::from_message("no admins"))?;
-
-  if top_admin.person.id != person_id {
-    return Err(LemmyError::from_message("not_top_admin"));
-  }
-  Ok(())
-}
-
 pub fn is_admin(local_user_view: &LocalUserView) -> Result<(), LemmyError> {
   if !local_user_view.person.admin {
     return Err(LemmyError::from_message("not_an_admin"));
@@ -316,15 +303,6 @@ pub fn password_length_check(pass: &str) -> Result<(), LemmyError> {
   }
 }
 
-/// Checks the site description length
-pub fn site_description_length_check(description: &str) -> Result<(), LemmyError> {
-  if description.len() > 150 {
-    Err(LemmyError::from_message("site_description_length_overflow"))
-  } else {
-    Ok(())
-  }
-}
-
 /// Checks for a honeypot. If this field is filled, fail the rest of the function
 pub fn honeypot_check(honeypot: &Option<String>) -> Result<(), LemmyError> {
   if honeypot.is_some() && honeypot != &Some(String::new()) {

crates/api_crud/Cargo.toml

@@ -22,3 +22,5 @@ tracing = { workspace = true }
 url = { workspace = true }
 async-trait = { workspace = true }
 webmention = "0.4.0"
+chrono = { workspace = true }
+uuid = { workspace = true }

crates/api_crud/src/comment/create.rs

@@ -49,7 +49,7 @@ impl PerformCrud for CreateComment {
       &data.content.clone(),
       &local_site_to_slur_regex(&local_site),
     );
-    is_valid_body_field(&Some(content_slurs_removed.clone()))?;
+    is_valid_body_field(&Some(content_slurs_removed.clone()), false)?;
 
     // Check for a community ban
     let post_id = data.post_id;
@@ -207,7 +207,7 @@ impl PerformCrud for CreateComment {
 
 pub fn check_comment_depth(comment: &Comment) -> Result<(), LemmyError> {
   let path = &comment.path.0;
-  let length = path.split('.').collect::<Vec<&str>>().len();
+  let length = path.split('.').count();
   if length > MAX_COMMENT_DEPTH_LIMIT {
     Err(LemmyError::from_message("max_comment_depth_reached"))
   } else {

crates/api_crud/src/comment/update.rs

@@ -64,7 +64,7 @@ impl PerformCrud for EditComment {
       .as_ref()
       .map(|c| remove_slurs(c, &local_site_to_slur_regex(&local_site)));
 
-    is_valid_body_field(&content_slurs_removed)?;
+    is_valid_body_field(&content_slurs_removed, false)?;
 
     let comment_id = data.comment_id;
     let form = CommentUpdateForm::builder()

crates/api_crud/src/community/create.rs

@@ -67,7 +67,7 @@ impl PerformCrud for CreateCommunity {
     check_slurs_opt(&data.description, &slur_regex)?;
 
     is_valid_actor_name(&data.name, local_site.actor_name_max_length as usize)?;
-    is_valid_body_field(&data.description)?;
+    is_valid_body_field(&data.description, false)?;
 
     // Double check for duplicate community actor_ids
     let community_actor_id = generate_local_apub_endpoint(

crates/api_crud/src/community/list.rs

@@ -27,6 +27,7 @@ impl PerformCrud for ListCommunities {
 
     let sort = data.sort;
     let listing_type = data.type_;
+    let show_nsfw = data.show_nsfw;
     let page = data.page;
     let limit = data.limit;
     let local_user = local_user_view.map(|l| l.local_user);
@@ -34,6 +35,7 @@ impl PerformCrud for ListCommunities {
     let communities = CommunityQuery::builder()
       .conn(&mut conn)
       .listing_type(listing_type)
+      .show_nsfw(show_nsfw)
       .sort(sort)
       .local_user(local_user.as_ref())
       .page(page)

crates/api_crud/src/community/update.rs

@@ -39,7 +39,7 @@ impl PerformCrud for EditCommunity {
     let slur_regex = local_site_to_slur_regex(&local_site);
     check_slurs_opt(&data.title, &slur_regex)?;
     check_slurs_opt(&data.description, &slur_regex)?;
-    is_valid_body_field(&data.description)?;
+    is_valid_body_field(&data.description, false)?;
 
     // Verify its a mod (only mods can edit it)
     let community_id = data.community_id;

crates/api_crud/src/post/create.rs

@@ -57,7 +57,7 @@ impl PerformCrud for CreatePost {
     let url = data_url.map(clean_url_params).map(Into::into); // TODO no good way to handle a "clear"
 
     is_valid_post_title(&data.name)?;
-    is_valid_body_field(&data.body)?;
+    is_valid_body_field(&data.body, true)?;
 
     check_community_ban(
       local_user_view.person.id,

crates/api_crud/src/post/update.rs

@@ -49,7 +49,7 @@ impl PerformCrud for EditPost {
       is_valid_post_title(name)?;
     }
 
-    is_valid_body_field(&data.body)?;
+    is_valid_body_field(&data.body, true)?;
 
     let post_id = data.post_id;
     let orig_post = Post::read(&mut *context.conn().await?, post_id).await?;

crates/api_crud/src/private_message/create.rs

@@ -43,7 +43,7 @@ impl PerformCrud for CreatePrivateMessage {
       &data.content.clone(),
       &local_site_to_slur_regex(&local_site),
     );
-    is_valid_body_field(&Some(content_slurs_removed.clone()))?;
+    is_valid_body_field(&Some(content_slurs_removed.clone()), false)?;
 
     check_person_block(
       local_user_view.person.id,

crates/api_crud/src/private_message/update.rs

@@ -42,7 +42,7 @@ impl PerformCrud for EditPrivateMessage {
 
     // Doing the update
     let content_slurs_removed = remove_slurs(&data.content, &local_site_to_slur_regex(&local_site));
-    is_valid_body_field(&Some(content_slurs_removed.clone()))?;
+    is_valid_body_field(&Some(content_slurs_removed.clone()), false)?;
 
     let private_message_id = data.private_message_id;
     PrivateMessage::update(

crates/api_crud/src/site/create.rs

@@ -1,4 +1,7 @@
-use crate::{site::check_application_question, PerformCrud};
+use crate::{
+  site::{application_question_check, site_default_post_listing_type_check},
+  PerformCrud,
+};
 use activitypub_federation::http_signatures::generate_actor_keypair;
 use actix_web::web::Data;
 use lemmy_api_common::{
@@ -8,9 +11,7 @@ use lemmy_api_common::{
     generate_site_inbox_url,
     is_admin,
     local_site_rate_limit_to_rate_limit_config,
-    local_site_to_slur_regex,
     local_user_view_from_jwt,
-    site_description_length_check,
   },
 };
 use lemmy_db_schema::{
@@ -26,10 +27,16 @@ use lemmy_db_schema::{
 };
 use lemmy_db_views::structs::SiteView;
 use lemmy_utils::{
-  error::LemmyError,
+  error::{LemmyError, LemmyResult},
   utils::{
     slurs::{check_slurs, check_slurs_opt},
-    validation::{check_site_visibility_valid, is_valid_body_field},
+    validation::{
+      build_and_check_regex,
+      check_site_visibility_valid,
+      is_valid_body_field,
+      site_description_length_check,
+      site_name_length_check,
+    },
   },
 };
 use url::Url;
@@ -42,56 +49,23 @@ impl PerformCrud for CreateSite {
   async fn perform(&self, context: &Data<LemmyContext>) -> Result<SiteResponse, LemmyError> {
     let data: &CreateSite = self;
 
+    let local_user_view = local_user_view_from_jwt(&data.auth, context).await?;
     let local_site = LocalSite::read(&mut *context.conn().await?).await?;
 
-    if local_site.site_setup {
+    // Make sure user is an admin; other types of users should not create site data...
-      return Err(LemmyError::from_message("site_already_exists"));
-    };
-
-    let local_user_view = local_user_view_from_jwt(&data.auth, context).await?;
-
-    // Make sure user is an admin
     is_admin(&local_user_view)?;
 
-    check_site_visibility_valid(
+    validate_create_payload(&local_site, data)?;
-      local_site.private_instance,
-      local_site.federation_enabled,
-      &data.private_instance,
-      &data.federation_enabled,
-    )?;
-
-    let sidebar = diesel_option_overwrite(&data.sidebar);
-    let description = diesel_option_overwrite(&data.description);
-    let icon = diesel_option_overwrite_to_url(&data.icon)?;
-    let banner = diesel_option_overwrite_to_url(&data.banner)?;
-
-    let slur_regex = local_site_to_slur_regex(&local_site);
-    check_slurs(&data.name, &slur_regex)?;
-    check_slurs_opt(&data.description, &slur_regex)?;
-
-    if let Some(Some(desc)) = &description {
-      site_description_length_check(desc)?;
-    }
-
-    is_valid_body_field(&data.sidebar)?;
-
-    let application_question = diesel_option_overwrite(&data.application_question);
-    check_application_question(
-      &application_question,
-      data
-        .registration_mode
-        .unwrap_or(local_site.registration_mode),
-    )?;
 
     let actor_id: DbUrl = Url::parse(&context.settings().get_protocol_and_hostname())?.into();
     let inbox_url = Some(generate_site_inbox_url(&actor_id)?);
     let keypair = generate_actor_keypair()?;
     let site_form = SiteUpdateForm::builder()
       .name(Some(data.name.clone()))
-      .sidebar(sidebar)
+      .sidebar(diesel_option_overwrite(&data.sidebar))
-      .description(description)
+      .description(diesel_option_overwrite(&data.description))
-      .icon(icon)
+      .icon(diesel_option_overwrite_to_url(&data.icon)?)
-      .banner(banner)
+      .banner(diesel_option_overwrite_to_url(&data.banner)?)
       .actor_id(Some(actor_id))
       .last_refreshed_at(Some(naive_now()))
       .inbox_url(inbox_url)
@@ -111,7 +85,7 @@ impl PerformCrud for CreateSite {
       .enable_nsfw(data.enable_nsfw)
       .community_creation_admin_only(data.community_creation_admin_only)
       .require_email_verification(data.require_email_verification)
-      .application_question(application_question)
+      .application_question(diesel_option_overwrite(&data.application_question))
       .private_instance(data.private_instance)
       .default_theme(data.default_theme.clone())
       .default_post_listing_type(data.default_post_listing_type)
@@ -122,7 +96,6 @@ impl PerformCrud for CreateSite {
       .slur_filter_regex(diesel_option_overwrite(&data.slur_filter_regex))
       .actor_name_max_length(data.actor_name_max_length)
       .federation_enabled(data.federation_enabled)
-      .federation_worker_count(data.federation_worker_count)
       .captcha_enabled(data.captcha_enabled)
       .captcha_difficulty(data.captcha_difficulty.clone())
       .build();
@@ -165,3 +138,449 @@ impl PerformCrud for CreateSite {
     })
   }
 }
+
+fn validate_create_payload(local_site: &LocalSite, create_site: &CreateSite) -> LemmyResult<()> {
+  // Make sure the site hasn't already been set up...
+  if local_site.site_setup {
+    return Err(LemmyError::from_message("site_already_exists"));
+  };
+
+  // Check that the slur regex compiles, and returns the regex if valid...
+  // Prioritize using new slur regex from the request; if not provided, use the existing regex.
+  let slur_regex = build_and_check_regex(
+    &create_site
+      .slur_filter_regex
+      .as_deref()
+      .or(local_site.slur_filter_regex.as_deref()),
+  )?;
+
+  site_name_length_check(&create_site.name)?;
+  check_slurs(&create_site.name, &slur_regex)?;
+
+  if let Some(desc) = &create_site.description {
+    site_description_length_check(desc)?;
+    check_slurs_opt(&create_site.description, &slur_regex)?;
+  }
+
+  site_default_post_listing_type_check(&create_site.default_post_listing_type)?;
+
+  check_site_visibility_valid(
+    local_site.private_instance,
+    local_site.federation_enabled,
+    &create_site.private_instance,
+    &create_site.federation_enabled,
+  )?;
+
+  // Ensure that the sidebar has fewer than the max num characters...
+  is_valid_body_field(&create_site.sidebar, false)?;
+
+  application_question_check(
+    &local_site.application_question,
+    &create_site.application_question,
+    create_site
+      .registration_mode
+      .unwrap_or(local_site.registration_mode),
+  )
+}
+
+#[cfg(test)]
+mod tests {
+  use crate::site::create::validate_create_payload;
+  use lemmy_api_common::site::CreateSite;
+  use lemmy_db_schema::{source::local_site::LocalSite, ListingType, RegistrationMode};
+
+  #[test]
+  fn test_validate_invalid_create_payload() {
+    let invalid_payloads = [
+      (
+        "CreateSite attempted on set up LocalSite",
+        "site_already_exists",
+        &generate_local_site(
+          true,
+          None::<String>,
+          true,
+          false,
+          None::<String>,
+          RegistrationMode::Open,
+        ),
+        &generate_create_site(
+          String::from("site_name"),
+          None::<String>,
+          None::<String>,
+          None::<ListingType>,
+          None::<String>,
+          None::<bool>,
+          None::<bool>,
+          None::<String>,
+          None::<RegistrationMode>,
+        ),
+      ),
+      (
+        "CreateSite name matches LocalSite slur filter",
+        "slurs",
+        &generate_local_site(
+          false,
+          Some(String::from("(foo|bar)")),
+          true,
+          false,
+          None::<String>,
+          RegistrationMode::Open,
+        ),
+        &generate_create_site(
+          String::from("foo site_name"),
+          None::<String>,
+          None::<String>,
+          None::<ListingType>,
+          None::<String>,
+          None::<bool>,
+          None::<bool>,
+          None::<String>,
+          None::<RegistrationMode>,
+        ),
+      ),
+      (
+        "CreateSite name matches new slur filter",
+        "slurs",
+        &generate_local_site(
+          false,
+          Some(String::from("(foo|bar)")),
+          true,
+          false,
+          None::<String>,
+          RegistrationMode::Open,
+        ),
+        &generate_create_site(
+          String::from("zeta site_name"),
+          None::<String>,
+          None::<String>,
+          None::<ListingType>,
+          Some(String::from("(zeta|alpha)")),
+          None::<bool>,
+          None::<bool>,
+          None::<String>,
+          None::<RegistrationMode>,
+        ),
+      ),
+      (
+        "CreateSite listing type is Subscribed, which is invalid",
+        "invalid_default_post_listing_type",
+        &generate_local_site(
+          false,
+          None::<String>,
+          true,
+          false,
+          None::<String>,
+          RegistrationMode::Open,
+        ),
+        &generate_create_site(
+          String::from("site_name"),
+          None::<String>,
+          None::<String>,
+          Some(ListingType::Subscribed),
+          None::<String>,
+          None::<bool>,
+          None::<bool>,
+          None::<String>,
+          None::<RegistrationMode>,
+        ),
+      ),
+      (
+        "CreateSite is both private and federated",
+        "cant_enable_private_instance_and_federation_together",
+        &generate_local_site(
+          false,
+          None::<String>,
+          true,
+          false,
+          None::<String>,
+          RegistrationMode::Open,
+        ),
+        &generate_create_site(
+          String::from("site_name"),
+          None::<String>,
+          None::<String>,
+          None::<ListingType>,
+          None::<String>,
+          Some(true),
+          Some(true),
+          None::<String>,
+          None::<RegistrationMode>,
+        ),
+      ),
+      (
+        "LocalSite is private, but CreateSite also makes it federated",
+        "cant_enable_private_instance_and_federation_together",
+        &generate_local_site(
+          false,
+          None::<String>,
+          true,
+          false,
+          None::<String>,
+          RegistrationMode::Open,
+        ),
+        &generate_create_site(
+          String::from("site_name"),
+          None::<String>,
+          None::<String>,
+          None::<ListingType>,
+          None::<String>,
+          None::<bool>,
+          Some(true),
+          None::<String>,
+          None::<RegistrationMode>,
+        ),
+      ),
+      (
+        "CreateSite requires application, but neither it nor LocalSite has an application question",
+        "application_question_required",
+        &generate_local_site(
+          false,
+          None::<String>,
+          true,
+          false,
+          None::<String>,
+          RegistrationMode::Open,
+        ),
+        &generate_create_site(
+          String::from("site_name"),
+          None::<String>,
+          None::<String>,
+          None::<ListingType>,
+          None::<String>,
+          None::<bool>,
+          None::<bool>,
+          None::<String>,
+          Some(RegistrationMode::RequireApplication),
+        ),
+      ),
+    ];
+
+    invalid_payloads.iter().enumerate().for_each(
+      |(
+         idx,
+         &(reason, expected_err, local_site, create_site),
+       )| {
+        match validate_create_payload(
+          local_site,
+          create_site,
+        ) {
+          Ok(_) => {
+            panic!(
+              "Got Ok, but validation should have failed with error: {} for reason: {}. invalid_payloads.nth({})",
+              expected_err, reason, idx
+            )
+          }
+          Err(error) => {
+            assert!(
+              error.message.eq(&Some(String::from(expected_err))),
+              "Got Err {:?}, but should have failed with message: {} for reason: {}. invalid_payloads.nth({})",
+              error.message,
+              expected_err,
+              reason,
+              idx
+            )
+          }
+        }
+      },
+    );
+  }
+
+  #[test]
+  fn test_validate_valid_create_payload() {
+    let valid_payloads = [
+      (
+        "No changes between LocalSite and CreateSite",
+        &generate_local_site(
+          false,
+          None::<String>,
+          true,
+          false,
+          None::<String>,
+          RegistrationMode::Open,
+        ),
+        &generate_create_site(
+          String::from("site_name"),
+          None::<String>,
+          None::<String>,
+          None::<ListingType>,
+          None::<String>,
+          None::<bool>,
+          None::<bool>,
+          None::<String>,
+          None::<RegistrationMode>,
+        ),
+      ),
+      (
+        "CreateSite allows clearing and changing values",
+        &generate_local_site(
+          false,
+          None::<String>,
+          true,
+          false,
+          None::<String>,
+          RegistrationMode::Open,
+        ),
+        &generate_create_site(
+          String::from("site_name"),
+          Some(String::new()),
+          Some(String::new()),
+          Some(ListingType::All),
+          Some(String::new()),
+          Some(false),
+          Some(true),
+          Some(String::new()),
+          Some(RegistrationMode::Open),
+        ),
+      ),
+      (
+        "CreateSite clears existing slur filter regex",
+        &generate_local_site(
+          false,
+          Some(String::from("(foo|bar)")),
+          true,
+          false,
+          None::<String>,
+          RegistrationMode::Open,
+        ),
+        &generate_create_site(
+          String::from("foo site_name"),
+          None::<String>,
+          None::<String>,
+          None::<ListingType>,
+          Some(String::new()),
+          None::<bool>,
+          None::<bool>,
+          None::<String>,
+          None::<RegistrationMode>,
+        ),
+      ),
+      (
+        "LocalSite has application question and CreateSite now requires applications,",
+        &generate_local_site(
+          false,
+          None::<String>,
+          true,
+          false,
+          Some(String::from("question")),
+          RegistrationMode::Open,
+        ),
+        &generate_create_site(
+          String::from("site_name"),
+          None::<String>,
+          None::<String>,
+          None::<ListingType>,
+          None::<String>,
+          None::<bool>,
+          None::<bool>,
+          None::<String>,
+          Some(RegistrationMode::RequireApplication),
+        ),
+      ),
+    ];
+
+    valid_payloads
+      .iter()
+      .enumerate()
+      .for_each(|(idx, &(reason, local_site, edit_site))| {
+        assert!(
+          validate_create_payload(local_site, edit_site).is_ok(),
+          "Got Err, but should have got Ok for reason: {}. valid_payloads.nth({})",
+          reason,
+          idx
+        );
+      })
+  }
+
+  fn generate_local_site(
+    site_setup: bool,
+    site_slur_filter_regex: Option<String>,
+    site_is_private: bool,
+    site_is_federated: bool,
+    site_application_question: Option<String>,
+    site_registration_mode: RegistrationMode,
+  ) -> LocalSite {
+    LocalSite {
+      id: Default::default(),
+      site_id: Default::default(),
+      site_setup,
+      enable_downvotes: false,
+      enable_nsfw: false,
+      community_creation_admin_only: false,
+      require_email_verification: false,
+      application_question: site_application_question,
+      private_instance: site_is_private,
+      default_theme: String::new(),
+      default_post_listing_type: ListingType::All,
+      legal_information: None,
+      hide_modlog_mod_names: false,
+      application_email_admins: false,
+      slur_filter_regex: site_slur_filter_regex,
+      actor_name_max_length: 0,
+      federation_enabled: site_is_federated,
+      captcha_enabled: false,
+      captcha_difficulty: String::new(),
+      published: Default::default(),
+      updated: None,
+      registration_mode: site_registration_mode,
+      reports_email_admins: false,
+    }
+  }
+
+  // Allow the test helper function to have too many arguments.
+  // It's either this or generate the entire struct each time for testing.
+  #[allow(clippy::too_many_arguments)]
+  fn generate_create_site(
+    site_name: String,
+    site_description: Option<String>,
+    site_sidebar: Option<String>,
+    site_listing_type: Option<ListingType>,
+    site_slur_filter_regex: Option<String>,
+    site_is_private: Option<bool>,
+    site_is_federated: Option<bool>,
+    site_application_question: Option<String>,
+    site_registration_mode: Option<RegistrationMode>,
+  ) -> CreateSite {
+    CreateSite {
+      name: site_name,
+      sidebar: site_sidebar,
+      description: site_description,
+      icon: None,
+      banner: None,
+      enable_downvotes: None,
+      enable_nsfw: None,
+      community_creation_admin_only: None,
+      require_email_verification: None,
+      application_question: site_application_question,
+      private_instance: site_is_private,
+      default_theme: None,
+      default_post_listing_type: site_listing_type,
+      legal_information: None,
+      application_email_admins: None,
+      hide_modlog_mod_names: None,
+      discussion_languages: None,
+      slur_filter_regex: site_slur_filter_regex,
+      actor_name_max_length: None,
+      rate_limit_message: None,
+      rate_limit_message_per_second: None,
+      rate_limit_post: None,
+      rate_limit_post_per_second: None,
+      rate_limit_register: None,
+      rate_limit_register_per_second: None,
+      rate_limit_image: None,
+      rate_limit_image_per_second: None,
+      rate_limit_comment: None,
+      rate_limit_comment_per_second: None,
+      rate_limit_search: None,
+      rate_limit_search_per_second: None,
+      federation_enabled: site_is_federated,
+      federation_debug: None,
+      captcha_enabled: None,
+      captcha_difficulty: None,
+      allowed_instances: None,
+      blocked_instances: None,
+      taglines: None,
+      registration_mode: site_registration_mode,
+      auth: Default::default(),
+    }
+  }
+}

crates/api_crud/src/site/mod.rs

@@ -1,19 +1,95 @@
-use lemmy_db_schema::RegistrationMode;
+use lemmy_db_schema::{ListingType, RegistrationMode};
-use lemmy_utils::error::LemmyError;
+use lemmy_utils::error::{LemmyError, LemmyResult};
 
 mod create;
 mod read;
 mod update;
 
-pub fn check_application_question(
+/// Checks whether the default post listing type is valid for a site.
-  application_question: &Option<Option<String>>,
+pub fn site_default_post_listing_type_check(
+  default_post_listing_type: &Option<ListingType>,
+) -> LemmyResult<()> {
+  if let Some(listing_type) = default_post_listing_type {
+    // Only allow all or local as default listing types...
+    if listing_type != &ListingType::All && listing_type != &ListingType::Local {
+      Err(LemmyError::from_message(
+        "invalid_default_post_listing_type",
+      ))
+    } else {
+      Ok(())
+    }
+  } else {
+    Ok(())
+  }
+}
+
+/// Checks whether the application question and registration mode align.
+pub fn application_question_check(
+  current_application_question: &Option<String>,
+  new_application_question: &Option<String>,
   registration_mode: RegistrationMode,
-) -> Result<(), LemmyError> {
+) -> LemmyResult<()> {
+  let has_no_question: bool =
+    current_application_question.is_none() && new_application_question.is_none();
+  let is_nullifying_question: bool = new_application_question == &Some(String::new());
+
   if registration_mode == RegistrationMode::RequireApplication
-    && application_question.as_ref().unwrap_or(&None).is_none()
+    && (has_no_question || is_nullifying_question)
   {
     Err(LemmyError::from_message("application_question_required"))
   } else {
     Ok(())
   }
 }
+
+#[cfg(test)]
+mod tests {
+  use crate::site::{application_question_check, site_default_post_listing_type_check};
+  use lemmy_db_schema::{ListingType, RegistrationMode};
+
+  #[test]
+  fn test_site_default_post_listing_type_check() {
+    assert!(site_default_post_listing_type_check(&None::<ListingType>).is_ok());
+    assert!(site_default_post_listing_type_check(&Some(ListingType::All)).is_ok());
+    assert!(site_default_post_listing_type_check(&Some(ListingType::Local)).is_ok());
+    assert!(site_default_post_listing_type_check(&Some(ListingType::Subscribed)).is_err());
+  }
+
+  #[test]
+  fn test_application_question_check() {
+    assert!(
+      application_question_check(&Some(String::from("q")), &Some(String::new()), RegistrationMode::RequireApplication).is_err(),
+      "Expected application to be invalid because an application is required, current question: {:?}, new question: {:?}",
+      "q",
+      String::new(),
+    );
+    assert!(
+      application_question_check(&None, &None, RegistrationMode::RequireApplication).is_err(),
+      "Expected application to be invalid because an application is required, current question: {:?}, new question: {:?}",
+      None::<String>,
+      None::<String>
+    );
+
+    assert!(
+      application_question_check(&None, &None, RegistrationMode::Open).is_ok(),
+      "Expected application to be valid because no application required, current question: {:?}, new question: {:?}, mode: {:?}",
+      None::<String>,
+      None::<String>,
+      RegistrationMode::Open
+    );
+    assert!(
+      application_question_check(&None, &Some(String::from("q")), RegistrationMode::RequireApplication).is_ok(),
+      "Expected application to be valid because new application provided, current question: {:?}, new question: {:?}, mode: {:?}",
+      None::<String>,
+      Some(String::from("q")),
+      RegistrationMode::RequireApplication
+    );
+    assert!(
+      application_question_check(&Some(String::from("q")), &None, RegistrationMode::RequireApplication).is_ok(),
+      "Expected application to be valid because application existed, current question: {:?}, new question: {:?}, mode: {:?}",
+      Some(String::from("q")),
+      None::<String>,
+      RegistrationMode::RequireApplication
+    );
+  }
+}

crates/api_crud/src/site/update.rs

@@ -1,15 +1,12 @@
-use crate::{site::check_application_question, PerformCrud};
+use crate::{
+  site::{application_question_check, site_default_post_listing_type_check},
+  PerformCrud,
+};
 use actix_web::web::Data;
 use lemmy_api_common::{
   context::LemmyContext,
   site::{EditSite, SiteResponse},
-  utils::{
+  utils::{is_admin, local_site_rate_limit_to_rate_limit_config, local_user_view_from_jwt},
-    is_admin,
-    local_site_rate_limit_to_rate_limit_config,
-    local_site_to_slur_regex,
-    local_user_view_from_jwt,
-    site_description_length_check,
-  },
 };
 use lemmy_db_schema::{
   source::{
@@ -24,15 +21,20 @@ use lemmy_db_schema::{
   },
   traits::Crud,
   utils::{diesel_option_overwrite, diesel_option_overwrite_to_url, naive_now},
-  ListingType,
   RegistrationMode,
 };
 use lemmy_db_views::structs::SiteView;
 use lemmy_utils::{
-  error::LemmyError,
+  error::{LemmyError, LemmyResult},
   utils::{
     slurs::check_slurs_opt,
-    validation::{check_site_visibility_valid, is_valid_body_field},
+    validation::{
+      build_and_check_regex,
+      check_site_visibility_valid,
+      is_valid_body_field,
+      site_description_length_check,
+      site_name_length_check,
+    },
   },
 };
 
@@ -48,43 +50,10 @@ impl PerformCrud for EditSite {
     let local_site = site_view.local_site;
     let site = site_view.site;
 
-    // Make sure user is an admin
+    // Make sure user is an admin; other types of users should not update site data...
     is_admin(&local_user_view)?;
 
-    check_site_visibility_valid(
+    validate_update_payload(&local_site, data)?;
-      local_site.private_instance,
-      local_site.federation_enabled,
-      &data.private_instance,
-      &data.federation_enabled,
-    )?;
-
-    let slur_regex = local_site_to_slur_regex(&local_site);
-
-    check_slurs_opt(&data.name, &slur_regex)?;
-    check_slurs_opt(&data.description, &slur_regex)?;
-
-    if let Some(desc) = &data.description {
-      site_description_length_check(desc)?;
-    }
-
-    is_valid_body_field(&data.sidebar)?;
-
-    let application_question = diesel_option_overwrite(&data.application_question);
-    check_application_question(
-      &application_question,
-      data
-        .registration_mode
-        .unwrap_or(local_site.registration_mode),
-    )?;
-
-    if let Some(listing_type) = &data.default_post_listing_type {
-      // only allow all or local as default listing types
-      if listing_type != &ListingType::All && listing_type != &ListingType::Local {
-        return Err(LemmyError::from_message(
-          "invalid_default_post_listing_type",
-        ));
-      }
-    }
 
     if let Some(discussion_languages) = data.discussion_languages.clone() {
       SiteLanguage::update(
@@ -95,9 +64,8 @@ impl PerformCrud for EditSite {
       .await?;
     }
 
-    let name = data.name.clone();
     let site_form = SiteUpdateForm::builder()
-      .name(name)
+      .name(data.name.clone())
       .sidebar(diesel_option_overwrite(&data.sidebar))
       .description(diesel_option_overwrite(&data.description))
       .icon(diesel_option_overwrite_to_url(&data.icon)?)
@@ -117,7 +85,7 @@ impl PerformCrud for EditSite {
       .enable_nsfw(data.enable_nsfw)
       .community_creation_admin_only(data.community_creation_admin_only)
       .require_email_verification(data.require_email_verification)
-      .application_question(application_question)
+      .application_question(diesel_option_overwrite(&data.application_question))
       .private_instance(data.private_instance)
       .default_theme(data.default_theme.clone())
       .default_post_listing_type(data.default_post_listing_type)
@@ -128,7 +96,6 @@ impl PerformCrud for EditSite {
       .slur_filter_regex(diesel_option_overwrite(&data.slur_filter_regex))
       .actor_name_max_length(data.actor_name_max_length)
       .federation_enabled(data.federation_enabled)
-      .federation_worker_count(data.federation_worker_count)
       .captcha_enabled(data.captcha_enabled)
       .captcha_difficulty(data.captcha_difficulty.clone())
       .reports_email_admins(data.reports_email_admins)
@@ -211,3 +178,411 @@ impl PerformCrud for EditSite {
     Ok(res)
   }
 }
+
+fn validate_update_payload(local_site: &LocalSite, edit_site: &EditSite) -> LemmyResult<()> {
+  // Check that the slur regex compiles, and return the regex if valid...
+  // Prioritize using new slur regex from the request; if not provided, use the existing regex.
+  let slur_regex = build_and_check_regex(
+    &edit_site
+      .slur_filter_regex
+      .as_deref()
+      .or(local_site.slur_filter_regex.as_deref()),
+  )?;
+
+  if let Some(name) = &edit_site.name {
+    // The name doesn't need to be updated, but if provided it cannot be blanked out...
+    site_name_length_check(name)?;
+    check_slurs_opt(&edit_site.name, &slur_regex)?;
+  }
+
+  if let Some(desc) = &edit_site.description {
+    site_description_length_check(desc)?;
+    check_slurs_opt(&edit_site.description, &slur_regex)?;
+  }
+
+  site_default_post_listing_type_check(&edit_site.default_post_listing_type)?;
+
+  check_site_visibility_valid(
+    local_site.private_instance,
+    local_site.federation_enabled,
+    &edit_site.private_instance,
+    &edit_site.federation_enabled,
+  )?;
+
+  // Ensure that the sidebar has fewer than the max num characters...
+  is_valid_body_field(&edit_site.sidebar, false)?;
+
+  application_question_check(
+    &local_site.application_question,
+    &edit_site.application_question,
+    edit_site
+      .registration_mode
+      .unwrap_or(local_site.registration_mode),
+  )
+}
+
+#[cfg(test)]
+mod tests {
+  use crate::site::update::validate_update_payload;
+  use lemmy_api_common::site::EditSite;
+  use lemmy_db_schema::{source::local_site::LocalSite, ListingType, RegistrationMode};
+
+  #[test]
+  fn test_validate_invalid_update_payload() {
+    let invalid_payloads = [
+      (
+        "EditSite name matches LocalSite slur filter",
+        "slurs",
+        &generate_local_site(
+          Some(String::from("(foo|bar)")),
+          true,
+          false,
+          None::<String>,
+          RegistrationMode::Open,
+        ),
+        &generate_edit_site(
+          Some(String::from("foo site_name")),
+          None::<String>,
+          None::<String>,
+          None::<ListingType>,
+          None::<String>,
+          None::<bool>,
+          None::<bool>,
+          None::<String>,
+          None::<RegistrationMode>,
+        ),
+      ),
+      (
+        "EditSite name matches new slur filter",
+        "slurs",
+        &generate_local_site(
+          Some(String::from("(foo|bar)")),
+          true,
+          false,
+          None::<String>,
+          RegistrationMode::Open,
+        ),
+        &generate_edit_site(
+          Some(String::from("zeta site_name")),
+          None::<String>,
+          None::<String>,
+          None::<ListingType>,
+          Some(String::from("(zeta|alpha)")),
+          None::<bool>,
+          None::<bool>,
+          None::<String>,
+          None::<RegistrationMode>,
+        ),
+      ),
+      (
+        "EditSite listing type is Subscribed, which is invalid",
+        "invalid_default_post_listing_type",
+        &generate_local_site(
+          None::<String>,
+          true,
+          false,
+          None::<String>,
+          RegistrationMode::Open,
+        ),
+        &generate_edit_site(
+          Some(String::from("site_name")),
+          None::<String>,
+          None::<String>,
+          Some(ListingType::Subscribed),
+          None::<String>,
+          None::<bool>,
+          None::<bool>,
+          None::<String>,
+          None::<RegistrationMode>,
+        ),
+      ),
+      (
+        "EditSite is both private and federated",
+        "cant_enable_private_instance_and_federation_together",
+        &generate_local_site(
+          None::<String>,
+          true,
+          false,
+          None::<String>,
+          RegistrationMode::Open,
+        ),
+        &generate_edit_site(
+          Some(String::from("site_name")),
+          None::<String>,
+          None::<String>,
+          None::<ListingType>,
+          None::<String>,
+          Some(true),
+          Some(true),
+          None::<String>,
+          None::<RegistrationMode>,
+        ),
+      ),
+      (
+        "LocalSite is private, but EditSite also makes it federated",
+        "cant_enable_private_instance_and_federation_together",
+        &generate_local_site(
+          None::<String>,
+          true,
+          false,
+          None::<String>,
+          RegistrationMode::Open,
+        ),
+        &generate_edit_site(
+          Some(String::from("site_name")),
+          None::<String>,
+          None::<String>,
+          None::<ListingType>,
+          None::<String>,
+          None::<bool>,
+          Some(true),
+          None::<String>,
+          None::<RegistrationMode>,
+        ),
+      ),
+      (
+        "EditSite requires application, but neither it nor LocalSite has an application question",
+        "application_question_required",
+        &generate_local_site(
+          None::<String>,
+          true,
+          false,
+          None::<String>,
+          RegistrationMode::Open,
+        ),
+        &generate_edit_site(
+          Some(String::from("site_name")),
+          None::<String>,
+          None::<String>,
+          None::<ListingType>,
+          None::<String>,
+          None::<bool>,
+          None::<bool>,
+          None::<String>,
+          Some(RegistrationMode::RequireApplication),
+        ),
+      ),
+    ];
+
+    invalid_payloads.iter().enumerate().for_each(
+      |(
+         idx,
+         &(reason, expected_err, local_site, edit_site),
+       )| {
+        match validate_update_payload(local_site, edit_site) {
+          Ok(_) => {
+            panic!(
+              "Got Ok, but validation should have failed with error: {} for reason: {}. invalid_payloads.nth({})",
+              expected_err, reason, idx
+            )
+          }
+          Err(error) => {
+            assert!(
+              error.message.eq(&Some(String::from(expected_err))),
+              "Got Err {:?}, but should have failed with message: {} for reason: {}. invalid_payloads.nth({})",
+              error.message,
+              expected_err,
+              reason,
+              idx
+            )
+          }
+        }
+      },
+    );
+  }
+
+  #[test]
+  fn test_validate_valid_update_payload() {
+    let valid_payloads = [
+      (
+        "No changes between LocalSite and EditSite",
+        &generate_local_site(
+          None::<String>,
+          true,
+          false,
+          None::<String>,
+          RegistrationMode::Open,
+        ),
+        &generate_edit_site(
+          None::<String>,
+          None::<String>,
+          None::<String>,
+          None::<ListingType>,
+          None::<String>,
+          None::<bool>,
+          None::<bool>,
+          None::<String>,
+          None::<RegistrationMode>,
+        ),
+      ),
+      (
+        "EditSite allows clearing and changing values",
+        &generate_local_site(
+          None::<String>,
+          true,
+          false,
+          None::<String>,
+          RegistrationMode::Open,
+        ),
+        &generate_edit_site(
+          Some(String::from("site_name")),
+          Some(String::new()),
+          Some(String::new()),
+          Some(ListingType::All),
+          Some(String::new()),
+          Some(false),
+          Some(true),
+          Some(String::new()),
+          Some(RegistrationMode::Open),
+        ),
+      ),
+      (
+        "EditSite name passes slur filter regex",
+        &generate_local_site(
+          Some(String::from("(foo|bar)")),
+          true,
+          false,
+          None::<String>,
+          RegistrationMode::Open,
+        ),
+        &generate_edit_site(
+          Some(String::from("foo site_name")),
+          None::<String>,
+          None::<String>,
+          None::<ListingType>,
+          Some(String::new()),
+          None::<bool>,
+          None::<bool>,
+          None::<String>,
+          None::<RegistrationMode>,
+        ),
+      ),
+      (
+        "LocalSite has application question and EditSite now requires applications,",
+        &generate_local_site(
+          None::<String>,
+          true,
+          false,
+          Some(String::from("question")),
+          RegistrationMode::Open,
+        ),
+        &generate_edit_site(
+          Some(String::from("site_name")),
+          None::<String>,
+          None::<String>,
+          None::<ListingType>,
+          None::<String>,
+          None::<bool>,
+          None::<bool>,
+          None::<String>,
+          Some(RegistrationMode::RequireApplication),
+        ),
+      ),
+    ];
+
+    valid_payloads
+      .iter()
+      .enumerate()
+      .for_each(|(idx, &(reason, local_site, edit_site))| {
+        assert!(
+          validate_update_payload(local_site, edit_site).is_ok(),
+          "Got Err, but should have got Ok for reason: {}. valid_payloads.nth({})",
+          reason,
+          idx
+        );
+      })
+  }
+
+  fn generate_local_site(
+    site_slur_filter_regex: Option<String>,
+    site_is_private: bool,
+    site_is_federated: bool,
+    site_application_question: Option<String>,
+    site_registration_mode: RegistrationMode,
+  ) -> LocalSite {
+    LocalSite {
+      id: Default::default(),
+      site_id: Default::default(),
+      site_setup: true,
+      enable_downvotes: false,
+      enable_nsfw: false,
+      community_creation_admin_only: false,
+      require_email_verification: false,
+      application_question: site_application_question,
+      private_instance: site_is_private,
+      default_theme: String::new(),
+      default_post_listing_type: ListingType::All,
+      legal_information: None,
+      hide_modlog_mod_names: false,
+      application_email_admins: false,
+      slur_filter_regex: site_slur_filter_regex,
+      actor_name_max_length: 0,
+      federation_enabled: site_is_federated,
+      captcha_enabled: false,
+      captcha_difficulty: String::new(),
+      published: Default::default(),
+      updated: None,
+      registration_mode: site_registration_mode,
+      reports_email_admins: false,
+    }
+  }
+
+  // Allow the test helper function to have too many arguments.
+  // It's either this or generate the entire struct each time for testing.
+  #[allow(clippy::too_many_arguments)]
+  fn generate_edit_site(
+    site_name: Option<String>,
+    site_description: Option<String>,
+    site_sidebar: Option<String>,
+    site_listing_type: Option<ListingType>,
+    site_slur_filter_regex: Option<String>,
+    site_is_private: Option<bool>,
+    site_is_federated: Option<bool>,
+    site_application_question: Option<String>,
+    site_registration_mode: Option<RegistrationMode>,
+  ) -> EditSite {
+    EditSite {
+      name: site_name,
+      sidebar: site_sidebar,
+      description: site_description,
+      icon: None,
+      banner: None,
+      enable_downvotes: None,
+      enable_nsfw: None,
+      community_creation_admin_only: None,
+      require_email_verification: None,
+      application_question: site_application_question,
+      private_instance: site_is_private,
+      default_theme: None,
+      default_post_listing_type: site_listing_type,
+      legal_information: None,
+      application_email_admins: None,
+      hide_modlog_mod_names: None,
+      discussion_languages: None,
+      slur_filter_regex: site_slur_filter_regex,
+      actor_name_max_length: None,
+      rate_limit_message: None,
+      rate_limit_message_per_second: None,
+      rate_limit_post: None,
+      rate_limit_post_per_second: None,
+      rate_limit_register: None,
+      rate_limit_register_per_second: None,
+      rate_limit_image: None,
+      rate_limit_image_per_second: None,
+      rate_limit_comment: None,
+      rate_limit_comment_per_second: None,
+      rate_limit_search: None,
+      rate_limit_search_per_second: None,
+      federation_enabled: site_is_federated,
+      federation_debug: None,
+      captcha_enabled: None,
+      captcha_difficulty: None,
+      allowed_instances: None,
+      blocked_instances: None,
+      taglines: None,
+      registration_mode: site_registration_mode,
+      reports_email_admins: None,
+      auth: Default::default(),
+    }
+  }
+}

crates/api_crud/src/user/create.rs

@@ -19,6 +19,7 @@ use lemmy_api_common::{
 use lemmy_db_schema::{
   aggregates::structs::PersonAggregates,
   source::{
+    captcha_answer::{CaptchaAnswer, CheckCaptchaAnswer},
     local_user::{LocalUser, LocalUserInsertForm},
     person::{Person, PersonInsertForm},
     registration_application::{RegistrationApplication, RegistrationApplicationInsertForm},
@@ -71,6 +72,25 @@ impl PerformCrud for Register {
       return Err(LemmyError::from_message("passwords_dont_match"));
     }
 
+    if local_site.site_setup && local_site.captcha_enabled {
+      if let Some(captcha_uuid) = &data.captcha_uuid {
+        let uuid = uuid::Uuid::parse_str(captcha_uuid)?;
+        let check = CaptchaAnswer::check_captcha(
+          context.pool(),
+          CheckCaptchaAnswer {
+            uuid,
+            answer: data.captcha_answer.clone().unwrap_or_default(),
+          },
+        )
+        .await?;
+        if !check {
+          return Err(LemmyError::from_message("captcha_incorrect"));
+        }
+      } else {
+        return Err(LemmyError::from_message("captcha_incorrect"));
+      }
+    }
+
     let slur_regex = local_site_to_slur_regex(&local_site);
     check_slurs(&data.username, &slur_regex)?;
     check_slurs_opt(&data.answer, &slur_regex)?;

crates/apub/Cargo.toml

@@ -25,7 +25,7 @@ chrono = { workspace = true }
 serde_json = { workspace = true }
 serde = { workspace = true }
 actix-web = { workspace = true }
-actix-rt = { workspace = true }
+tokio = {workspace = true}
 tracing = { workspace = true }
 strum_macros = { workspace = true }
 url = { workspace = true }

crates/apub/src/activities/community/mod.rs

@@ -43,12 +43,11 @@ pub(crate) async fn send_activity_in_community(
 
   // send to user followers
   if !is_mod_action {
-    inboxes.append(
+    inboxes.extend(
       &mut PersonFollower::list_followers(&mut *context.conn().await?, actor.id)
         .await?
         .into_iter()
-        .map(|p| ApubPerson(p).shared_inbox_or_inbox())
+        .map(|p| ApubPerson(p).shared_inbox_or_inbox()),
-        .collect(),
     );
   }
 

crates/apub/src/collections/community_moderators.rs

@@ -121,7 +121,7 @@ mod tests {
   };
   use serial_test::serial;
 
-  #[actix_rt::test]
+  #[tokio::test]
   #[serial]
   async fn test_parse_lemmy_community_moderators() {
     let context = init_context().await;

crates/apub/src/http/mod.rs

@@ -48,7 +48,7 @@ where
   Ok(
     HttpResponse::Ok()
       .content_type(FEDERATION_CONTENT_TYPE)
-      .content_type("application/json")
+      .content_type("application/activity+json")
       .body(json),
   )
 }
@@ -61,7 +61,7 @@ fn create_apub_tombstone_response<T: Into<Url>>(id: T) -> LemmyResult<HttpRespon
     HttpResponse::Gone()
       .content_type(FEDERATION_CONTENT_TYPE)
       .status(StatusCode::GONE)
-      .content_type("application/json")
+      .content_type("application/activity+json")
       .body(json),
   )
 }

crates/apub/src/mentions.rs

@@ -11,10 +11,7 @@ use lemmy_db_schema::{
   traits::Crud,
   utils::DbConn,
 };
-use lemmy_utils::{
+use lemmy_utils::{error::LemmyError, utils::mention::scrape_text_for_mentions};
-  error::LemmyError,
-  utils::mention::{scrape_text_for_mentions, MentionData},
-};
 use serde::{Deserialize, Serialize};
 use serde_json::Value;
 use url::Url;
@@ -67,10 +64,9 @@ pub async fn collect_non_local_mentions(
   let mentions = scrape_text_for_mentions(&comment.content)
     .into_iter()
     // Filter only the non-local ones
-    .filter(|m| !m.is_local(&context.settings().hostname))
+    .filter(|m| !m.is_local(&context.settings().hostname));
-    .collect::<Vec<MentionData>>();
 
-  for mention in &mentions {
+  for mention in mentions {
     let identifier = format!("{}@{}", mention.name, mention.domain);
     let person = webfinger_resolve_actor::<LemmyContext, ApubPerson>(&identifier, context).await;
     if let Ok(person) = person {

crates/apub/src/objects/comment.rs

@@ -239,7 +239,7 @@ pub(crate) mod tests {
       .unwrap();
   }
 
-  #[actix_rt::test]
+  #[tokio::test]
   #[serial]
   pub(crate) async fn test_parse_lemmy_comment() {
     let context = init_context().await;
@@ -267,7 +267,7 @@ pub(crate) mod tests {
     cleanup(data, &context).await;
   }
 
-  #[actix_rt::test]
+  #[tokio::test]
   #[serial]
   async fn test_parse_pleroma_comment() {
     let context = init_context().await;
@@ -299,7 +299,7 @@ pub(crate) mod tests {
     cleanup(data, &context).await;
   }
 
-  #[actix_rt::test]
+  #[tokio::test]
   #[serial]
   async fn test_html_to_markdown_sanitize() {
     let parsed = parse_html("<script></script><b>hello</b>");

crates/apub/src/objects/community.rs

@@ -141,19 +141,16 @@ impl Object for ApubCommunity {
 
     // Fetching mods and outbox is not necessary for Lemmy to work, so ignore errors. Besides,
     // we need to ignore these errors so that tests can work entirely offline.
-    group
+    let fetch_outbox = group.outbox.dereference(&community, context);
-      .outbox
-      .dereference(&community, context)
-      .await
-      .map_err(|e| debug!("{}", e))
-      .ok();
 
     if let Some(moderators) = group.attributed_to {
-      moderators
+      let fetch_moderators = moderators.dereference(&community, context);
-        .dereference(&community, context)
+      // Fetch mods and outbox in parallel
-        .await
+      let res = tokio::join!(fetch_outbox, fetch_moderators);
-        .map_err(|e| debug!("{}", e))
+      res.0.map_err(|e| debug!("{}", e)).ok();
-        .ok();
+      res.1.map_err(|e| debug!("{}", e)).ok();
+    } else {
+      fetch_outbox.await.map_err(|e| debug!("{}", e)).ok();
     }
 
     Ok(community)
@@ -243,7 +240,7 @@ pub(crate) mod tests {
     community
   }
 
-  #[actix_rt::test]
+  #[tokio::test]
   #[serial]
   async fn test_parse_lemmy_community() {
     let context = init_context().await;

crates/apub/src/objects/instance.rs

@@ -222,7 +222,7 @@ pub(crate) mod tests {
     site
   }
 
-  #[actix_rt::test]
+  #[tokio::test]
   #[serial]
   async fn test_parse_lemmy_instance() {
     let context = init_context().await;

crates/apub/src/objects/person.rs

@@ -223,7 +223,7 @@ pub(crate) mod tests {
     (person, site)
   }
 
-  #[actix_rt::test]
+  #[tokio::test]
   #[serial]
   async fn test_parse_lemmy_person() {
     let context = init_context().await;
@@ -236,7 +236,7 @@ pub(crate) mod tests {
     cleanup((person, site), &context).await;
   }
 
-  #[actix_rt::test]
+  #[tokio::test]
   #[serial]
   async fn test_parse_pleroma_person() {
     let context = init_context().await;

crates/apub/src/objects/post.rs

@@ -282,7 +282,7 @@ mod tests {
   use lemmy_db_schema::source::site::Site;
   use serial_test::serial;
 
-  #[actix_rt::test]
+  #[tokio::test]
   #[serial]
   async fn test_parse_lemmy_post() {
     let context = init_context().await;

crates/apub/src/objects/private_message.rs

@@ -193,7 +193,7 @@ mod tests {
       .unwrap();
   }
 
-  #[actix_rt::test]
+  #[tokio::test]
   #[serial]
   async fn test_parse_lemmy_pm() {
     let context = init_context().await;
@@ -221,7 +221,7 @@ mod tests {
     cleanup(data, &context).await;
   }
 
-  #[actix_rt::test]
+  #[tokio::test]
   #[serial]
   async fn test_parse_pleroma_pm() {
     let context = init_context().await;

crates/db_schema/Cargo.toml

@@ -29,7 +29,7 @@ serde_json = { workspace = true, optional = true }
 activitypub_federation = { workspace = true, optional = true }
 lemmy_utils = { workspace = true, optional = true }
 bcrypt = { workspace = true, optional = true }
-diesel = { workspace = true, features = ["postgres","chrono", "serde_json"], optional = true }
+diesel = { workspace = true, features = ["postgres","chrono", "serde_json", "uuid"], optional = true }
 diesel-derive-newtype = { workspace = true, optional = true }
 diesel-derive-enum = { workspace = true, optional = true }
 diesel_migrations = { workspace = true, optional = true }
@@ -44,7 +44,11 @@ tokio = { workspace = true }
 tracing = { workspace = true }
 deadpool = { version = "0.9.5", features = ["rt_tokio_1"], optional = true }
 ts-rs = { workspace = true, optional = true }
+rustls = { workspace = true }
+futures-util = { workspace = true }
+tokio-postgres = { workspace = true }
+tokio-postgres-rustls = { workspace = true }
+uuid = { workspace = true, features = ["v4"] }
 
 [dev-dependencies]
 serial_test = { workspace = true }
-

crates/db_schema/src/diesel_ltree.patch

@@ -19,8 +19,8 @@ index 255c6422..f2ccf5e2 100644
  
      #[derive(diesel::sql_types::SqlType)]
      #[diesel(postgres_type(name = "sort_type_enum"))]
-@@ -67,13 +63,13 @@ diesel::table! {
+@@ -76,13 +76,13 @@ diesel::table! {
-         when_ -> Timestamp,
+         published -> Timestamp,
      }
  }
  

crates/db_schema/src/impls/captcha_answer.rs

@@ -0,0 +1,118 @@
+use crate::{
+  schema::captcha_answer::dsl::{answer, captcha_answer, uuid},
+  source::captcha_answer::{CaptchaAnswer, CaptchaAnswerForm, CheckCaptchaAnswer},
+  utils::{functions::lower, get_conn, DbPool},
+};
+use diesel::{
+  delete,
+  dsl::exists,
+  insert_into,
+  result::Error,
+  select,
+  ExpressionMethods,
+  QueryDsl,
+};
+use diesel_async::RunQueryDsl;
+
+impl CaptchaAnswer {
+  pub async fn insert(pool: &DbPool, captcha: &CaptchaAnswerForm) -> Result<Self, Error> {
+    let conn = &mut get_conn(pool).await?;
+
+    insert_into(captcha_answer)
+      .values(captcha)
+      .get_result::<Self>(conn)
+      .await
+  }
+
+  pub async fn check_captcha(pool: &DbPool, to_check: CheckCaptchaAnswer) -> Result<bool, Error> {
+    let conn = &mut get_conn(pool).await?;
+
+    // fetch requested captcha
+    let captcha_exists = select(exists(
+      captcha_answer
+        .filter((uuid).eq(to_check.uuid))
+        .filter(lower(answer).eq(to_check.answer.to_lowercase().clone())),
+    ))
+    .get_result::<bool>(conn)
+    .await?;
+
+    // delete checked captcha
+    delete(captcha_answer.filter(uuid.eq(to_check.uuid)))
+      .execute(conn)
+      .await?;
+
+    Ok(captcha_exists)
+  }
+}
+
+#[cfg(test)]
+mod tests {
+  use crate::{
+    source::captcha_answer::{CaptchaAnswer, CaptchaAnswerForm, CheckCaptchaAnswer},
+    utils::build_db_pool_for_tests,
+  };
+  use serial_test::serial;
+
+  #[tokio::test]
+  #[serial]
+  async fn test_captcha_happy_path() {
+    let pool = &build_db_pool_for_tests().await;
+
+    let inserted = CaptchaAnswer::insert(
+      pool,
+      &CaptchaAnswerForm {
+        answer: "XYZ".to_string(),
+      },
+    )
+    .await
+    .expect("should not fail to insert captcha");
+
+    let result = CaptchaAnswer::check_captcha(
+      pool,
+      CheckCaptchaAnswer {
+        uuid: inserted.uuid,
+        answer: "xyz".to_string(),
+      },
+    )
+    .await;
+
+    assert!(result.is_ok());
+    assert!(result.unwrap());
+  }
+
+  #[tokio::test]
+  #[serial]
+  async fn test_captcha_repeat_answer_fails() {
+    let pool = &build_db_pool_for_tests().await;
+
+    let inserted = CaptchaAnswer::insert(
+      pool,
+      &CaptchaAnswerForm {
+        answer: "XYZ".to_string(),
+      },
+    )
+    .await
+    .expect("should not fail to insert captcha");
+
+    let _result = CaptchaAnswer::check_captcha(
+      pool,
+      CheckCaptchaAnswer {
+        uuid: inserted.uuid,
+        answer: "xyz".to_string(),
+      },
+    )
+    .await;
+
+    let result_repeat = CaptchaAnswer::check_captcha(
+      pool,
+      CheckCaptchaAnswer {
+        uuid: inserted.uuid,
+        answer: "xyz".to_string(),
+      },
+    )
+    .await;
+
+    assert!(result_repeat.is_ok());
+    assert!(!result_repeat.unwrap());
+  }
+}

crates/db_schema/src/impls/comment.rs

@@ -11,7 +11,7 @@ use crate::{
     CommentUpdateForm,
   },
   traits::{Crud, Likeable, Saveable},
-  utils::{naive_now, DbConn},
+  utils::{get_conn, naive_now, DbConn, DELETED_REPLACEMENT_TEXT},
 };
 use diesel::{
   dsl::{insert_into, sql_query},
@@ -30,7 +30,7 @@ impl Comment {
   ) -> Result<Vec<Self>, Error> {
     diesel::update(comment.filter(creator_id.eq(for_creator_id)))
       .set((
-        content.eq("*Permananently Deleted*"),
+        content.eq(DELETED_REPLACEMENT_TEXT),
         deleted.eq(true),
         updated.eq(naive_now()),
       ))
@@ -94,8 +94,7 @@ impl Comment {
         // left join comment c2 on c2.path <@ c.path and c2.path != c.path
         // group by c.id
 
-        let path_split = parent_path.0.split('.').collect::<Vec<&str>>();
+        let parent_id = parent_path.0.split('.').nth(1);
-        let parent_id = path_split.get(1);
 
         if let Some(parent_id) = parent_id {
           let top_parent = format!("0.{}", parent_id);

crates/db_schema/src/impls/mod.rs

@@ -1,5 +1,6 @@
 pub mod activity;
 pub mod actor_language;
+pub mod captcha_answer;
 pub mod comment;
 pub mod comment_reply;
 pub mod comment_report;

crates/db_schema/src/impls/password_reset_request.rs

@@ -1,6 +1,11 @@
 use crate::{
   newtypes::LocalUserId,
-  schema::password_reset_request::dsl::{password_reset_request, published, token_encrypted},
+  schema::password_reset_request::dsl::{
+    local_user_id,
+    password_reset_request,
+    published,
+    token_encrypted,
+  },
   source::password_reset_request::{PasswordResetRequest, PasswordResetRequestForm},
   traits::Crud,
   utils::DbConn,
@@ -73,6 +78,19 @@ impl PasswordResetRequest {
       .first::<Self>(conn)
       .await
   }
+
+  pub async fn get_recent_password_resets_count(
+    pool: &DbPool,
+    user_id: LocalUserId,
+  ) -> Result<i64, Error> {
+    let conn = &mut get_conn(pool).await?;
+    password_reset_request
+      .filter(local_user_id.eq(user_id))
+      .filter(published.gt(now - 1.days()))
+      .count()
+      .get_result(conn)
+      .await
+  }
 }
 
 fn bytes_to_hex(bytes: Vec<u8>) -> String {

crates/db_schema/src/impls/post.rs

@@ -27,7 +27,7 @@ use crate::{
     PostUpdateForm,
   },
   traits::{Crud, Likeable, Readable, Saveable},
-  utils::{naive_now, DbConn, FETCH_LIMIT_MAX},
+  utils::{get_conn, naive_now, DbConn, DbPool, DELETED_REPLACEMENT_TEXT, FETCH_LIMIT_MAX},
 };
 use ::url::Url;
 use diesel::{dsl::insert_into, result::Error, ExpressionMethods, QueryDsl, TextExpressionMethods};
@@ -108,9 +108,9 @@ impl Post {
 
     diesel::update(post.filter(creator_id.eq(for_creator_id)))
       .set((
-        name.eq(perma_deleted),
+        name.eq(DELETED_REPLACEMENT_TEXT),
-        url.eq(perma_deleted_url),
+        url.eq(Option::<&str>::None),
-        body.eq(perma_deleted),
+        body.eq(DELETED_REPLACEMENT_TEXT),
         deleted.eq(true),
         updated.eq(naive_now()),
       ))

crates/db_schema/src/lib.rs

@@ -26,6 +26,7 @@ pub mod impls;
 pub mod newtypes;
 #[cfg(feature = "full")]
 #[rustfmt::skip]
+#[allow(clippy::wildcard_imports)]
 pub mod schema;
 pub mod source;
 #[cfg(feature = "full")]
@@ -62,6 +63,9 @@ pub enum SortType {
   TopHour,
   TopSixHour,
   TopTwelveHour,
+  TopThreeMonths,
+  TopSixMonths,
+  TopNineMonths,
 }
 
 #[derive(EnumString, Display, Debug, Serialize, Deserialize, Clone, Copy)]

crates/db_schema/src/schema.rs

@@ -65,7 +65,16 @@ diesel::table! {
 }
 
 diesel::table! {
-    use diesel::sql_types::{Bool, Int4, Nullable, Text, Timestamp, Varchar};
+    captcha_answer (id) {
+        id -> Int4,
+        uuid -> Uuid,
+        answer -> Text,
+        published -> Timestamp,
+    }
+}
+
+diesel::table! {
+    use diesel::sql_types::*;
     use diesel_ltree::sql_types::Ltree;
 
     comment (id) {
@@ -317,7 +326,7 @@ diesel::table! {
 }
 
 diesel::table! {
-    use diesel::sql_types::{Bool, Int4, Nullable, Text, Timestamp, Varchar};
+    use diesel::sql_types::*;
     use super::sql_types::ListingTypeEnum;
     use super::sql_types::RegistrationModeEnum;
 
@@ -339,7 +348,6 @@ diesel::table! {
         slur_filter_regex -> Nullable<Text>,
         actor_name_max_length -> Int4,
         federation_enabled -> Bool,
-        federation_worker_count -> Int4,
         captcha_enabled -> Bool,
         #[max_length = 255]
         captcha_difficulty -> Varchar,
@@ -372,7 +380,7 @@ diesel::table! {
 }
 
 diesel::table! {
-    use diesel::sql_types::{Bool, Int4, Nullable, Text, Timestamp, Varchar};
+    use diesel::sql_types::*;
     use super::sql_types::SortTypeEnum;
     use super::sql_types::ListingTypeEnum;
 
@@ -382,8 +390,7 @@ diesel::table! {
         password_encrypted -> Text,
         email -> Nullable<Text>,
         show_nsfw -> Bool,
-        #[max_length = 20]
+        theme -> Text,
-        theme -> Varchar,
         default_sort_type -> SortTypeEnum,
         default_listing_type -> ListingTypeEnum,
         #[max_length = 20]
@@ -916,6 +923,7 @@ diesel::allow_tables_to_appear_in_same_query!(
     admin_purge_community,
     admin_purge_person,
     admin_purge_post,
+    captcha_answer,
     comment,
     comment_aggregates,
     comment_like,

crates/db_schema/src/source/captcha_answer.rs

@@ -0,0 +1,33 @@
+#[cfg(feature = "full")]
+use crate::schema::captcha_answer;
+use serde::{Deserialize, Serialize};
+use serde_with::skip_serializing_none;
+use uuid::Uuid;
+
+#[skip_serializing_none]
+#[derive(Clone, PartialEq, Eq, Debug, Serialize, Deserialize)]
+#[cfg_attr(feature = "full", derive(Queryable))]
+#[cfg_attr(feature = "full", diesel(table_name = captcha_answer))]
+pub struct CaptchaAnswer {
+  pub id: i32,
+  pub uuid: Uuid,
+  pub answer: String,
+  pub published: chrono::NaiveDateTime,
+}
+
+#[skip_serializing_none]
+#[derive(Clone, PartialEq, Eq, Debug, Serialize, Deserialize)]
+#[cfg_attr(feature = "full", derive(Queryable))]
+#[cfg_attr(feature = "full", diesel(table_name = captcha_answer))]
+pub struct CheckCaptchaAnswer {
+  pub uuid: Uuid,
+  pub answer: String,
+}
+
+#[skip_serializing_none]
+#[derive(Clone, PartialEq, Eq, Debug, Serialize, Deserialize)]
+#[cfg_attr(feature = "full", derive(Insertable, AsChangeset))]
+#[cfg_attr(feature = "full", diesel(table_name = captcha_answer))]
+pub struct CaptchaAnswerForm {
+  pub answer: String,
+}

crates/db_schema/src/source/local_site.rs

@@ -50,8 +50,6 @@ pub struct LocalSite {
   pub actor_name_max_length: i32,
   /// Whether federation is enabled.
   pub federation_enabled: bool,
-  /// The number of concurrent federation http workers.
-  pub federation_worker_count: i32,
   /// Whether captcha is enabled.
   pub captcha_enabled: bool,
   /// The captcha difficulty.
@@ -85,7 +83,6 @@ pub struct LocalSiteInsertForm {
   pub slur_filter_regex: Option<String>,
   pub actor_name_max_length: Option<i32>,
   pub federation_enabled: Option<bool>,
-  pub federation_worker_count: Option<i32>,
   pub captcha_enabled: Option<bool>,
   pub captcha_difficulty: Option<String>,
   pub registration_mode: Option<RegistrationMode>,
@@ -112,7 +109,6 @@ pub struct LocalSiteUpdateForm {
   pub slur_filter_regex: Option<Option<String>>,
   pub actor_name_max_length: Option<i32>,
   pub federation_enabled: Option<bool>,
-  pub federation_worker_count: Option<i32>,
   pub captcha_enabled: Option<bool>,
   pub captcha_difficulty: Option<String>,
   pub registration_mode: Option<RegistrationMode>,

crates/db_schema/src/source/mod.rs

@@ -1,6 +1,7 @@
 #[cfg(feature = "full")]
 pub mod activity;
 pub mod actor_language;
+pub mod captcha_answer;
 pub mod comment;
 pub mod comment_reply;
 pub mod comment_report;

crates/db_schema/src/utils.rs

@@ -12,7 +12,7 @@ use diesel::{
   backend::Backend,
   deserialize::FromSql,
   pg::Pg,
-  result::{Error as DieselError, Error::QueryBuilderError},
+  result::{ConnectionError, ConnectionResult, Error as DieselError, Error::QueryBuilderError},
   serialize::{Output, ToSql},
   sql_types::Text,
   PgConnection,
@@ -25,11 +25,21 @@ use diesel_async::{
   },
 };
 use diesel_migrations::EmbeddedMigrations;
+use futures_util::{future::BoxFuture, FutureExt};
 use lemmy_utils::{error::LemmyError, settings::structs::Settings};
 use once_cell::sync::Lazy;
 use regex::Regex;
-use std::{env, env::VarError, time::Duration};
+use rustls::{
-use tracing::info;
+  client::{ServerCertVerified, ServerCertVerifier},
+  ServerName,
+};
+use std::{
+  env,
+  env::VarError,
+  sync::Arc,
+  time::{Duration, SystemTime},
+};
+use tracing::{error, info};
 use url::Url;
 
 const FETCH_LIMIT_DEFAULT: i64 = 10;
@@ -138,7 +148,15 @@ pub fn diesel_option_overwrite_to_url_create(
 async fn build_db_pool_settings_opt(settings: Option<&Settings>) -> Result<DbPool, LemmyError> {
   let db_url = get_database_url(settings);
   let pool_size = settings.map(|s| s.database.pool_size).unwrap_or(5);
-  let manager = AsyncDieselConnectionManager::<AsyncPgConnection>::new(&db_url);
+  // We only support TLS with sslmode=require currently
+  let tls_enabled = db_url.contains("sslmode=require");
+  let manager = if tls_enabled {
+    // diesel-async does not support any TLS connections out of the box, so we need to manually
+    // provide a setup function which handles creating the connection
+    AsyncDieselConnectionManager::<AsyncPgConnection>::new_with_setup(&db_url, establish_connection)
+  } else {
+    AsyncDieselConnectionManager::<AsyncPgConnection>::new(&db_url)
+  };
   let pool = Pool::builder(manager)
     .max_size(pool_size)
     .wait_timeout(POOL_TIMEOUT)
@@ -155,6 +173,44 @@ async fn build_db_pool_settings_opt(settings: Option<&Settings>) -> Result<DbPoo
   Ok(pool)
 }
 
+fn establish_connection(config: &str) -> BoxFuture<ConnectionResult<AsyncPgConnection>> {
+  let fut = async {
+    let rustls_config = rustls::ClientConfig::builder()
+      .with_safe_defaults()
+      .with_custom_certificate_verifier(Arc::new(NoCertVerifier {}))
+      .with_no_client_auth();
+
+    let tls = tokio_postgres_rustls::MakeRustlsConnect::new(rustls_config);
+    let (client, conn) = tokio_postgres::connect(config, tls)
+      .await
+      .map_err(|e| ConnectionError::BadConnection(e.to_string()))?;
+    tokio::spawn(async move {
+      if let Err(e) = conn.await {
+        error!("Database connection failed: {e}");
+      }
+    });
+    AsyncPgConnection::try_from(client).await
+  };
+  fut.boxed()
+}
+
+struct NoCertVerifier {}
+
+impl ServerCertVerifier for NoCertVerifier {
+  fn verify_server_cert(
+    &self,
+    _end_entity: &rustls::Certificate,
+    _intermediates: &[rustls::Certificate],
+    _server_name: &ServerName,
+    _scts: &mut dyn Iterator<Item = &[u8]>,
+    _ocsp_response: &[u8],
+    _now: SystemTime,
+  ) -> Result<ServerCertVerified, rustls::Error> {
+    // Will verify all (even invalid) certs without any checks (sslmode=require)
+    Ok(ServerCertVerified::assertion())
+  }
+}
+
 pub const MIGRATIONS: EmbeddedMigrations = embed_migrations!();
 
 pub fn run_migrations(db_url: &str) {
@@ -211,7 +267,10 @@ pub fn post_to_comment_sort_type(sort: SortType) -> CommentSortType {
     | SortType::TopAll
     | SortType::TopWeek
     | SortType::TopYear
-    | SortType::TopMonth => CommentSortType::Top,
+    | SortType::TopMonth
+    | SortType::TopThreeMonths
+    | SortType::TopSixMonths
+    | SortType::TopNineMonths => CommentSortType::Top,
   }
 }
 
@@ -230,6 +289,8 @@ pub mod functions {
   sql_function!(fn lower(x: Text) -> Text);
 }
 
+pub const DELETED_REPLACEMENT_TEXT: &str = "*Permanently Deleted*";
+
 impl ToSql<Text, Pg> for DbUrl {
   fn to_sql(&self, out: &mut Output<Pg>) -> diesel::serialize::Result {
     <std::string::String as ToSql<Text, Pg>>::to_sql(&self.0.to_string(), &mut out.reborrow())

crates/db_views/src/post_view.rs

@@ -428,6 +428,18 @@ impl<'a> PostQuery<'a> {
         .filter(post_aggregates::published.gt(now - 12.hours()))
         .then_order_by(post_aggregates::score.desc())
         .then_order_by(post_aggregates::published.desc()),
+      SortType::TopThreeMonths => query
+        .filter(post_aggregates::published.gt(now - 3.months()))
+        .then_order_by(post_aggregates::score.desc())
+        .then_order_by(post_aggregates::published.desc()),
+      SortType::TopSixMonths => query
+        .filter(post_aggregates::published.gt(now - 6.months()))
+        .then_order_by(post_aggregates::score.desc())
+        .then_order_by(post_aggregates::published.desc()),
+      SortType::TopNineMonths => query
+        .filter(post_aggregates::published.gt(now - 9.months()))
+        .then_order_by(post_aggregates::score.desc())
+        .then_order_by(post_aggregates::published.desc()),
     };
 
     let (limit, offset) = limit_and_offset(self.page, self.limit)?;

crates/db_views_actor/src/community_view.rs

@@ -125,6 +125,7 @@ pub struct CommunityQuery<'a> {
   local_user: Option<&'a LocalUser>,
   search_term: Option<String>,
   is_mod_or_admin: Option<bool>,
+  show_nsfw: Option<bool>,
   page: Option<i64>,
   limit: Option<i64>,
 }
@@ -202,8 +203,8 @@ impl<'a> CommunityQuery<'a> {
       query = query.filter(community_block::person_id.is_null());
       query = query.filter(community::nsfw.eq(false).or(local_user::show_nsfw.eq(true)));
     } else {
-      // No person in request, only show nsfw communities if show_nsfw passed into request
+      // No person in request, only show nsfw communities if show_nsfw is passed into request
-      if !self.local_user.map(|l| l.show_nsfw).unwrap_or(false) {
+      if !self.show_nsfw.unwrap_or(false) {
         query = query.filter(community::nsfw.eq(false));
       }
     }

crates/db_views_actor/src/person_view.rs

@@ -119,6 +119,15 @@ impl<'a> PersonQuery<'a> {
       SortType::TopTwelveHour => query
         .filter(person::published.gt(now - 12.hours()))
         .order_by(person_aggregates::comment_score.desc()),
+      SortType::TopThreeMonths => query
+        .filter(person::published.gt(now - 3.months()))
+        .order_by(person_aggregates::comment_score.desc()),
+      SortType::TopSixMonths => query
+        .filter(person::published.gt(now - 6.months()))
+        .order_by(person_aggregates::comment_score.desc()),
+      SortType::TopNineMonths => query
+        .filter(person::published.gt(now - 9.months()))
+        .order_by(person_aggregates::comment_score.desc()),
     };
 
     let (limit, offset) = limit_and_offset(self.page, self.limit)?;

crates/routes/src/feeds.rs

@@ -482,7 +482,6 @@ fn create_post_items(
     i.pub_date(dt.to_rfc2822());
 
     let post_url = format!("{}/post/{}", protocol_and_hostname, p.post.id);
-    i.link(post_url.clone());
     i.comments(post_url.clone());
     let guid = GuidBuilder::default()
       .permalink(true)
@@ -506,6 +505,9 @@ fn create_post_items(
     if let Some(url) = p.post.url {
       let link_html = format!("<br><a href=\"{url}\">{url}</a>");
       description.push_str(&link_html);
+      i.link(url.to_string());
+    } else {
+      i.link(post_url.clone());
     }
 
     if let Some(body) = p.post.body {

crates/utils/Cargo.toml

@@ -49,7 +49,6 @@ enum-map = "2.5"
 
 [dev-dependencies]
 reqwest = { workspace = true }
-tokio = { workspace = true, features = ["macros"] }
 
 [build-dependencies]
 rosetta-build = "0.1.2"

crates/utils/src/main.rs

@@ -0,0 +1,16 @@
+use doku::json::{AutoComments, CommentsStyle, Formatting, ObjectsStyle};
+use lemmy_utils::settings::structs::Settings;
+fn main() {
+  let fmt = Formatting {
+    auto_comments: AutoComments::none(),
+    comments_style: CommentsStyle {
+      separator: "#".to_owned(),
+    },
+    objects_style: ObjectsStyle {
+      surround_keys_with_quotes: false,
+      use_comma_as_separator: false,
+    },
+    ..Default::default()
+  };
+  println!("{}", doku::to_json_fmt_val(&fmt, &Settings::default()));
+}

crates/utils/src/settings/structs.rs

@@ -39,6 +39,12 @@ pub struct Settings {
   #[default(None)]
   #[doku(skip)]
   pub opentelemetry_url: Option<Url>,
+  /// The number of activitypub federation workers that can be in-flight concurrently
+  #[default(0)]
+  pub worker_count: usize,
+  /// The number of activitypub federation retry workers that can be in-flight concurrently
+  #[default(0)]
+  pub retry_count: usize,
 }
 
 #[derive(Debug, Deserialize, Serialize, Clone, SmartDefault, Document)]

crates/utils/src/utils/validation.rs

@@ -1,7 +1,7 @@
 use crate::error::{LemmyError, LemmyResult};
 use itertools::Itertools;
 use once_cell::sync::Lazy;
-use regex::Regex;
+use regex::{Regex, RegexBuilder};
 use totp_rs::{Secret, TOTP};
 use url::Url;
 
@@ -17,8 +17,13 @@ static CLEAN_URL_PARAMS_REGEX: Lazy<Regex> = Lazy::new(|| {
   Regex::new(r"^utm_source|utm_medium|utm_campaign|utm_term|utm_content|gclid|gclsrc|dclid|fbclid$")
     .expect("compile regex")
 });
+
 const BODY_MAX_LENGTH: usize = 10000;
+const POST_BODY_MAX_LENGTH: usize = 50000;
 const BIO_MAX_LENGTH: usize = 300;
+const SITE_NAME_MAX_LENGTH: usize = 20;
+const SITE_NAME_MIN_LENGTH: usize = 1;
+const SITE_DESCRIPTION_MAX_LENGTH: usize = 150;
 
 fn has_newline(name: &str) -> bool {
   name.contains('\n')
@@ -68,9 +73,14 @@ pub fn is_valid_post_title(title: &str) -> LemmyResult<()> {
 }
 
 /// This could be post bodies, comments, or any description field
-pub fn is_valid_body_field(body: &Option<String>) -> LemmyResult<()> {
+pub fn is_valid_body_field(body: &Option<String>, post: bool) -> LemmyResult<()> {
   if let Some(body) = body {
-    let check = body.chars().count() <= BODY_MAX_LENGTH;
+    let check = if post {
+      body.chars().count() <= POST_BODY_MAX_LENGTH
+    } else {
+      body.chars().count() <= BODY_MAX_LENGTH
+    };
+
     if !check {
       Err(LemmyError::from_message("invalid_body_field"))
     } else {
@@ -82,14 +92,83 @@ pub fn is_valid_body_field(body: &Option<String>) -> LemmyResult<()> {
 }
 
 pub fn is_valid_bio_field(bio: &str) -> LemmyResult<()> {
-  let check = bio.chars().count() <= BIO_MAX_LENGTH;
+  max_length_check(bio, BIO_MAX_LENGTH, String::from("bio_length_overflow"))
-  if !check {
+}
-    Err(LemmyError::from_message("bio_length_overflow"))
+
+/// Checks the site name length, the limit as defined in the DB.
+pub fn site_name_length_check(name: &str) -> LemmyResult<()> {
+  min_max_length_check(
+    name,
+    SITE_NAME_MIN_LENGTH,
+    SITE_NAME_MAX_LENGTH,
+    String::from("site_name_required"),
+    String::from("site_name_length_overflow"),
+  )
+}
+
+/// Checks the site description length, the limit as defined in the DB.
+pub fn site_description_length_check(description: &str) -> LemmyResult<()> {
+  max_length_check(
+    description,
+    SITE_DESCRIPTION_MAX_LENGTH,
+    String::from("site_description_length_overflow"),
+  )
+}
+
+fn max_length_check(item: &str, max_length: usize, msg: String) -> LemmyResult<()> {
+  if item.len() > max_length {
+    Err(LemmyError::from_message(&msg))
   } else {
     Ok(())
   }
 }
 
+fn min_max_length_check(
+  item: &str,
+  min_length: usize,
+  max_length: usize,
+  min_msg: String,
+  max_msg: String,
+) -> LemmyResult<()> {
+  if item.len() > max_length {
+    Err(LemmyError::from_message(&max_msg))
+  } else if item.len() < min_length {
+    Err(LemmyError::from_message(&min_msg))
+  } else {
+    Ok(())
+  }
+}
+
+/// Attempts to build a regex and check it for common errors before inserting into the DB.
+pub fn build_and_check_regex(regex_str_opt: &Option<&str>) -> LemmyResult<Option<Regex>> {
+  regex_str_opt.map_or_else(
+    || Ok(None::<Regex>),
+    |regex_str| {
+      if regex_str.is_empty() {
+        // If the proposed regex is empty, return as having no regex at all; this is the same
+        // behavior that happens downstream before the write to the database.
+        return Ok(None::<Regex>);
+      }
+
+      RegexBuilder::new(regex_str)
+        .case_insensitive(true)
+        .build()
+        .map_err(|e| LemmyError::from_error_message(e, "invalid_regex"))
+        .and_then(|regex| {
+          // NOTE: It is difficult to know, in the universe of user-crafted regex, which ones
+          // may match against any string text. To keep it simple, we'll match the regex
+          // against an innocuous string - a single number - which should help catch a regex
+          // that accidentally matches against all strings.
+          if regex.is_match("1") {
+            return Err(LemmyError::from_message("permissive_regex"));
+          }
+
+          Ok(Some(regex))
+        })
+    },
+  )
+}
+
 pub fn clean_url_params(url: &Url) -> Url {
   let mut url_out = url.clone();
   if url.query().is_some() {
@@ -171,13 +250,20 @@ pub fn check_site_visibility_valid(
 mod tests {
   use super::build_totp_2fa;
   use crate::utils::validation::{
+    build_and_check_regex,
     check_site_visibility_valid,
     clean_url_params,
     generate_totp_2fa_secret,
     is_valid_actor_name,
+    is_valid_bio_field,
     is_valid_display_name,
     is_valid_matrix_id,
     is_valid_post_title,
+    site_description_length_check,
+    site_name_length_check,
+    BIO_MAX_LENGTH,
+    SITE_DESCRIPTION_MAX_LENGTH,
+    SITE_NAME_MAX_LENGTH,
   };
   use url::Url;
 
@@ -246,6 +332,126 @@ mod tests {
     assert!(totp.is_ok());
   }
 
+  #[test]
+  fn test_valid_site_name() {
+    let valid_names = [
+      (0..SITE_NAME_MAX_LENGTH).map(|_| 'A').collect::<String>(),
+      String::from("A"),
+    ];
+    let invalid_names = [
+      (
+        &(0..SITE_NAME_MAX_LENGTH + 1)
+          .map(|_| 'A')
+          .collect::<String>(),
+        "site_name_length_overflow",
+      ),
+      (&String::new(), "site_name_required"),
+    ];
+
+    valid_names.iter().for_each(|valid_name| {
+      assert!(
+        site_name_length_check(valid_name).is_ok(),
+        "Expected {} of length {} to be Ok.",
+        valid_name,
+        valid_name.len()
+      )
+    });
+
+    invalid_names
+      .iter()
+      .for_each(|&(invalid_name, expected_err)| {
+        let result = site_name_length_check(invalid_name);
+
+        assert!(result.is_err());
+        assert!(
+          result
+            .unwrap_err()
+            .message
+            .eq(&Some(String::from(expected_err))),
+          "Testing {}, expected error {}",
+          invalid_name,
+          expected_err
+        );
+      });
+  }
+
+  #[test]
+  fn test_valid_bio() {
+    assert!(is_valid_bio_field(&(0..BIO_MAX_LENGTH).map(|_| 'A').collect::<String>()).is_ok());
+
+    let invalid_result =
+      is_valid_bio_field(&(0..BIO_MAX_LENGTH + 1).map(|_| 'A').collect::<String>());
+
+    assert!(
+      invalid_result.is_err()
+        && invalid_result
+          .unwrap_err()
+          .message
+          .eq(&Some(String::from("bio_length_overflow")))
+    );
+  }
+
+  #[test]
+  fn test_valid_site_description() {
+    assert!(site_description_length_check(
+      &(0..SITE_DESCRIPTION_MAX_LENGTH)
+        .map(|_| 'A')
+        .collect::<String>()
+    )
+    .is_ok());
+
+    let invalid_result = site_description_length_check(
+      &(0..SITE_DESCRIPTION_MAX_LENGTH + 1)
+        .map(|_| 'A')
+        .collect::<String>(),
+    );
+
+    assert!(
+      invalid_result.is_err()
+        && invalid_result
+          .unwrap_err()
+          .message
+          .eq(&Some(String::from("site_description_length_overflow")))
+    );
+  }
+
+  #[test]
+  fn test_valid_slur_regex() {
+    let valid_regexes = [&None, &Some(""), &Some("(foo|bar)")];
+
+    valid_regexes.iter().for_each(|regex| {
+      let result = build_and_check_regex(regex);
+
+      assert!(result.is_ok(), "Testing regex: {:?}", regex);
+    });
+  }
+
+  #[test]
+  fn test_too_permissive_slur_regex() {
+    let match_everything_regexes = [
+      (&Some("["), "invalid_regex"),
+      (&Some("(foo|bar|)"), "permissive_regex"),
+      (&Some(".*"), "permissive_regex"),
+    ];
+
+    match_everything_regexes
+      .iter()
+      .for_each(|&(regex_str, expected_err)| {
+        let result = build_and_check_regex(regex_str);
+
+        assert!(result.is_err());
+        assert!(
+          result
+            .unwrap_err()
+            .message
+            .eq(&Some(String::from(expected_err))),
+          "Testing regex {:?}, expected error {}",
+          regex_str,
+          expected_err
+        );
+      });
+  }
+
   #[test]
   fn test_check_site_visibility_valid() {
     assert!(check_site_visibility_valid(true, true, &None, &None).is_err());

crates/utils/translations

@@ -1 +1 @@
-Subproject commit 7fc71d0860bbe5c6d620ec27112350ffe5b9229c
+Subproject commit 5a9d44656e2658ab7cb2dbec3fd1bfaf57654533

docker/Dockerfile

@@ -29,7 +29,7 @@ RUN \
 FROM alpine:3 as lemmy
 
 # Install libpq for postgres
-RUN apk add libpq
+RUN apk add --no-cache libpq
 
 # Copy resources
 COPY --from=builder /app/lemmy_server /app/lemmy

docker/docker-compose.yml

@@ -6,20 +6,9 @@ x-logging: &default-logging
     max-size: "50m"
     max-file: 4
 
-networks:
-  # communication to web and clients
-  lemmyexternalproxy:
-  # communication between lemmy services
-  lemmyinternal:
-    driver: bridge
-    internal: true
-
 services:
   proxy:
     image: nginx:1-alpine
-    networks:
-      - lemmyinternal
-      - lemmyexternalproxy
     ports:
       # actual and only port facing any connection from outside
       # Note, change the left number if port 1236 is already in use on your system
@@ -45,9 +34,6 @@ services:
       #   RUST_RELEASE_MODE: release
     # this hostname is used in nginx reverse proxy and also for lemmy ui to connect to the backend, do not change
     hostname: lemmy
-    networks:
-      - lemmyinternal
-      - lemmyexternalproxy
     restart: always
     environment:
       - RUST_LOG="warn,lemmy_server=debug,lemmy_api=debug,lemmy_api_common=debug,lemmy_api_crud=debug,lemmy_apub=debug,lemmy_db_schema=debug,lemmy_db_views=debug,lemmy_db_views_actor=debug,lemmy_db_views_moderator=debug,lemmy_routes=debug,lemmy_utils=debug,lemmy_websocket=debug"
@@ -67,14 +53,12 @@ services:
     # build:
     #   context: ../../lemmy-ui
     #   dockerfile: dev.dockerfile
-    networks:
-      - lemmyinternal
     environment:
       # this needs to match the hostname defined in the lemmy service
       - LEMMY_UI_LEMMY_INTERNAL_HOST=lemmy:8536
       # set the outside hostname here
       - LEMMY_UI_LEMMY_EXTERNAL_HOST=localhost:1236
-      - LEMMY_HTTPS=false
+      - LEMMY_UI_HTTPS=false
       - LEMMY_UI_DEBUG=true
     depends_on:
       - lemmy
@@ -88,8 +72,6 @@ services:
     hostname: pictrs
     # we can set options to pictrs like this, here we set max. image size and forced format for conversion
     # entrypoint: /sbin/tini -- /usr/local/bin/pict-rs -p /mnt -m 4 --image-format webp
-    networks:
-      - lemmyinternal
     environment:
       - PICTRS_OPENTELEMETRY_URL=http://otel:4137
       - PICTRS__API_KEY=API_KEY
@@ -126,10 +108,6 @@ services:
         "-c",
         "track_activity_query_size=1048576",
       ]
-    networks:
-      - lemmyinternal
-      # adding the external facing network to allow direct db access for devs
-      - lemmyexternalproxy
     ports:
       # use a different port so it doesnt conflict with potential postgres db running on the host
       - "5433:5432"

migrations/2023-06-19-055530_add_retry_worker_setting/down.sql

@@ -0,0 +1 @@
+alter table local_site add column federation_worker_count int default 64 not null;

migrations/2023-06-19-055530_add_retry_worker_setting/up.sql

@@ -0,0 +1 @@
+alter table local_site drop column federation_worker_count;

migrations/2023-06-20-191145_add_listingtype_sorttype_3_6_9_months_enums/down.sql

@@ -0,0 +1,14 @@
+-- update the default sort type
+update local_user set default_sort_type = 'TopDay' where default_sort_type in ('TopThreeMonths', 'TopSixMonths', 'TopNineMonths');
+
+-- rename the old enum
+alter type sort_type_enum rename to sort_type_enum__;
+-- create the new enum
+CREATE TYPE sort_type_enum AS ENUM ('Active', 'Hot', 'New', 'Old', 'TopDay', 'TopWeek', 'TopMonth', 'TopYear', 'TopAll', 'MostComments', 'NewComments', 'TopHour', 'TopSixHour', 'TopTwelveHour');
+
+-- alter all you enum columns
+alter table local_user
+  alter column default_sort_type type sort_type_enum using default_sort_type::text::sort_type_enum;
+
+-- drop the old enum
+drop type sort_type_enum__;

migrations/2023-06-20-191145_add_listingtype_sorttype_3_6_9_months_enums/up.sql

@@ -0,0 +1,4 @@
+-- Update the enums
+ALTER TYPE sort_type_enum ADD VALUE 'TopThreeMonths';
+ALTER TYPE sort_type_enum ADD VALUE 'TopSixMonths';
+ALTER TYPE sort_type_enum ADD VALUE 'TopNineMonths';

migrations/2023-06-21-153242_add_captcha/down.sql

@@ -0,0 +1 @@
+drop table captcha_answer;

migrations/2023-06-21-153242_add_captcha/up.sql

@@ -0,0 +1,6 @@
+create table captcha_answer (
+    id serial primary key,
+    uuid uuid not null unique default gen_random_uuid(),
+    answer text not null,
+    published timestamp not null default now()
+);

migrations/2023-06-22-101245_increase_user_theme_column_size/down.sql

@@ -0,0 +1,2 @@
+alter table only local_user alter column theme TYPE character varying(20);
+alter table only local_user alter column theme set default 'browser'::character varying;

migrations/2023-06-22-101245_increase_user_theme_column_size/up.sql

@@ -0,0 +1,2 @@
+alter table only local_user alter column theme type text;
+alter table only local_user alter column theme set default 'browser'::text;

migrations/2023-06-24-185942_aggegates_published_indexes/down.sql

@@ -0,0 +1,2 @@
+drop index idx_comment_aggregates_published;
+drop index idx_community_aggregates_published;

migrations/2023-06-24-185942_aggegates_published_indexes/up.sql

@@ -0,0 +1,4 @@
+-- Add indexes on published column (needed for hot_rank updates)
+
+create index idx_community_aggregates_published on community_aggregates (published desc);
+create index idx_comment_aggregates_published on comment_aggregates (published desc);

scripts/fix-clippy.sh

@@ -14,7 +14,10 @@ cargo clippy --workspace --fix --allow-staged --allow-dirty --tests --all-target
   -D clippy::manual_string_new -D clippy::redundant_closure_for_method_calls \
   -D clippy::unused_self \
   -A clippy::uninlined_format_args \
-  -D clippy::get_first
+  -D clippy::get_first \
+  -D clippy::explicit_into_iter_loop \
+  -D clippy::explicit_iter_loop \
+  -D clippy::needless_collect
 
 cargo clippy --workspace --features console -- \
   -D clippy::unwrap_used \

scripts/release.sh

@@ -6,19 +6,23 @@ set -e
 new_tag="$1"
 third_semver=$(echo $new_tag | cut -d "." -f 3)
 
+# Goto the upper route
+CWD="$(cd -P -- "$(dirname -- "${BASH_SOURCE[0]}")" && pwd -P)"
+cd $CWD/../
+
 # The ansible and docker installs should only update for non release-candidates
 # IE, when the third semver is a number, not '2-rc'
 if [ ! -z "${third_semver##*[!0-9]*}" ]; then
-  pushd ../docker
+  pushd docker
-  sed -i "s/dessalines\/lemmy:.*/dessalines\/lemmy:$new_tag/" ../docker-compose.yml
+  sed -i "s/dessalines\/lemmy:.*/dessalines\/lemmy:$new_tag/" docker-compose.yml
-  sed -i "s/dessalines\/lemmy-ui:.*/dessalines\/lemmy-ui:$new_tag/" ../docker-compose.yml
+  sed -i "s/dessalines\/lemmy-ui:.*/dessalines\/lemmy-ui:$new_tag/" docker-compose.yml
-  sed -i "s/dessalines\/lemmy-ui:.*/dessalines\/lemmy-ui:$new_tag/" ../federation/docker-compose.yml
+  sed -i "s/dessalines\/lemmy-ui:.*/dessalines\/lemmy-ui:$new_tag/" federation/docker-compose.yml
-  git add ../docker-compose.yml
+  git add docker-compose.yml
-  git add ../federation/docker-compose.yml
+  git add federation/docker-compose.yml
   popd
 
   # Setting the version for Ansible
-  pushd ../../../lemmy-ansible
+  pushd ../lemmy-ansible
   echo $new_tag > "VERSION"
   git add "VERSION"
   git commit -m"Updating VERSION"
@@ -29,14 +33,16 @@ if [ ! -z "${third_semver##*[!0-9]*}" ]; then
 fi
 
 # Update crate versions
-pushd ..
 old_tag=$(grep version Cargo.toml | head -1 | cut -d'"' -f 2)
 sed -i "s/{ version = \"=$old_tag\", path/{ version = \"=$new_tag\", path/g" Cargo.toml
 sed -i "s/version = \"$old_tag\"/version = \"$new_tag\"/g" Cargo.toml
 git add Cargo.toml
 cargo check
 git add Cargo.lock
-popd
+
+# Update the submodules
+git submodule update --remote
+git add crates/utils/translations
 
 # The commit
 git commit -m"Version $new_tag"

scripts/update_config_defaults.sh

@@ -3,4 +3,4 @@ set -e
 
 dest=${1-config/defaults.hjson}
 
-cargo run -- --print-config-docs > "$dest"
+cargo run  --manifest-path crates/utils/Cargo.toml > "$dest"

src/api_routes_http.rs

@@ -38,6 +38,7 @@ use lemmy_api_common::{
     ChangePassword,
     DeleteAccount,
     GetBannedPersons,
+    GetCaptcha,
     GetPersonDetails,
     GetPersonMentions,
     GetReplies,
@@ -272,6 +273,12 @@ pub fn config(cfg: &mut web::ServiceConfig, rate_limit: &RateLimitCell) {
           .wrap(rate_limit.register())
           .route(web::post().to(route_post_crud::<Register>)),
       )
+      .service(
+        // Handle captcha separately
+        web::resource("/user/get_captcha")
+          .wrap(rate_limit.post())
+          .route(web::get().to(route_get::<GetCaptcha>)),
+      )
       // User actions
       .service(
         web::scope("/user")

src/lib.rs

@@ -9,7 +9,6 @@ use crate::{code_migrations::run_advanced_migrations, root_span_builder::Quieter
 use activitypub_federation::config::{FederationConfig, FederationMiddleware};
 use actix_cors::Cors;
 use actix_web::{middleware, web::Data, App, HttpServer, Result};
-use doku::json::{AutoComments, CommentsStyle, Formatting, ObjectsStyle};
 use lemmy_api_common::{
   context::LemmyContext,
   lemmy_db_views::structs::SiteView,
@@ -25,11 +24,7 @@ use lemmy_db_schema::{
   utils::{build_db_pool, get_conn, get_database_url, run_migrations},
 };
 use lemmy_routes::{feeds, images, nodeinfo, webfinger};
-use lemmy_utils::{
+use lemmy_utils::{error::LemmyError, rate_limit::RateLimitCell, settings::SETTINGS};
-  error::LemmyError,
-  rate_limit::RateLimitCell,
-  settings::{structs::Settings, SETTINGS},
-};
 use reqwest::Client;
 use reqwest_middleware::ClientBuilder;
 use reqwest_tracing::TracingMiddleware;
@@ -47,21 +42,6 @@ pub(crate) const REQWEST_TIMEOUT: Duration = Duration::from_secs(10);
 /// Placing the main function in lib.rs allows other crates to import it and embed Lemmy
 pub async fn start_lemmy_server() -> Result<(), LemmyError> {
   let args: Vec<String> = env::args().collect();
-  if args.get(1) == Some(&"--print-config-docs".to_string()) {
-    let fmt = Formatting {
-      auto_comments: AutoComments::none(),
-      comments_style: CommentsStyle {
-        separator: "#".to_owned(),
-      },
-      objects_style: ObjectsStyle {
-        surround_keys_with_quotes: false,
-        use_comma_as_separator: false,
-      },
-      ..Default::default()
-    };
-    println!("{}", doku::to_json_fmt_val(&fmt, &Settings::default()));
-    return Ok(());
-  }
 
   let scheduled_tasks_enabled = args.get(1) != Some(&"--disable-scheduled-tasks".to_string());
 
@@ -140,24 +120,23 @@ pub async fn start_lemmy_server() -> Result<(), LemmyError> {
     });
   }
 
+  let settings_bind = settings.clone();
+
   let federation_config = FederationConfig::builder()
     .domain(settings.hostname.clone())
     .app_data(context.clone())
     .client(client.clone())
     .http_fetch_limit(FEDERATION_HTTP_FETCH_LIMIT)
-    .worker_count(local_site.federation_worker_count as usize)
+    .worker_count(settings.worker_count)
+    .retry_count(settings.retry_count)
     .debug(cfg!(debug_assertions))
     .http_signature_compat(true)
     .url_verifier(Box::new(VerifyUrlData(context.pool().clone())))
     .build()
-    .await
+    .await?;
-    .expect("configure federation");
 
   // Create Http server with websocket support
-  let settings_bind = settings.clone();
   HttpServer::new(move || {
-    let context = context.clone();
-
     let cors_config = if cfg!(debug_assertions) {
       Cors::permissive()
     } else {
@@ -172,9 +151,10 @@ pub async fn start_lemmy_server() -> Result<(), LemmyError> {
         // This is the default log format save for the usage of %{r}a over %a to guarantee to record the client's (forwarded) IP and not the last peer address, since the latter is frequently just a reverse proxy
         "%{r}a '%r' %s %b '%{Referer}i' '%{User-Agent}i' %T",
       ))
+      .wrap(middleware::Compress::default())
       .wrap(cors_config)
       .wrap(TracingLogger::<QuieterRootSpanBuilder>::new())
-      .app_data(Data::new(context))
+      .app_data(Data::new(context.clone()))
       .app_data(Data::new(rate_limit_cell.clone()))
       .wrap(FederationMiddleware::new(federation_config.clone()))
       // The routes

src/main.rs

@@ -1,7 +1,7 @@
 use lemmy_server::{init_logging, start_lemmy_server};
 use lemmy_utils::{error::LemmyError, settings::SETTINGS};
 
-#[actix_web::main]
+#[tokio::main]
 pub async fn main() -> Result<(), LemmyError> {
   init_logging(&SETTINGS.opentelemetry_url)?;
   #[cfg(not(feature = "embed-pictrs"))]

src/scheduled_tasks.rs

@@ -1,25 +1,21 @@
+use chrono::NaiveDateTime;
 use clokwerk::{Scheduler, TimeUnits as CTimeUnits};
 use diesel::{
   dsl::{now, IntervalDsl},
+  sql_types::{Integer, Timestamp},
   Connection,
   ExpressionMethods,
+  NullableExpressionMethods,
   QueryDsl,
+  QueryableByName,
 };
 // Import week days and WeekDay
 use diesel::{sql_query, PgConnection, RunQueryDsl};
 use lemmy_api_common::context::LemmyContext;
 use lemmy_db_schema::{
-  schema::{
+  schema::{activity, captcha_answer, comment, community_person_ban, instance, person, post},
-    activity,
-    comment_aggregates,
-    community_aggregates,
-    community_person_ban,
-    instance,
-    person,
-    post_aggregates,
-  },
   source::instance::{Instance, InstanceForm},
-  utils::{functions::hot_rank, naive_now},
+  utils::{naive_now, DELETED_REPLACEMENT_TEXT},
 };
 use lemmy_routes::nodeinfo::NodeInfo;
 use lemmy_utils::{error::LemmyError, REQWEST_TIMEOUT};
@@ -46,13 +42,20 @@ pub fn setup(
     update_banned_when_expired(&mut conn);
   });
 
-  // Update hot ranks every 5 minutes
+  // Update hot ranks every 15 minutes
   let url = db_url.clone();
-  scheduler.every(CTimeUnits::minutes(5)).run(move || {
+  scheduler.every(CTimeUnits::minutes(15)).run(move || {
     let mut conn = PgConnection::establish(&url).expect("could not establish connection");
     update_hot_ranks(&mut conn, true);
   });
 
+  // Delete any captcha answers older than ten minutes, every ten minutes
+  let url = db_url.clone();
+  scheduler.every(CTimeUnits::minutes(10)).run(move || {
+    let mut conn = PgConnection::establish(&url).expect("could not establish connection");
+    delete_expired_captcha_answers(&mut conn);
+  });
+
   // Clear old activities every week
   let url = db_url.clone();
   scheduler.every(CTimeUnits::weeks(1)).run(move || {
@@ -66,6 +69,13 @@ pub fn setup(
     context_1.settings_updated_channel().remove_older_than(hour);
   });
 
+  // Overwrite deleted & removed posts and comments every day
+  let url = db_url.clone();
+  scheduler.every(CTimeUnits::days(1)).run(move || {
+    let mut conn = PgConnection::establish(&url).expect("could not establish connection");
+    overwrite_deleted_posts_and_comments(&mut conn);
+  });
+
   // Update the Instance Software
   scheduler.every(CTimeUnits::days(1)).run(move || {
     let mut conn = PgConnection::establish(&db_url).expect("could not establish connection");
@@ -86,67 +96,109 @@ fn startup_jobs(db_url: &str) {
   update_hot_ranks(&mut conn, false);
   update_banned_when_expired(&mut conn);
   clear_old_activities(&mut conn);
+  overwrite_deleted_posts_and_comments(&mut conn);
 }
 
 /// Update the hot_rank columns for the aggregates tables
+/// Runs in batches until all necessary rows are updated once
 fn update_hot_ranks(conn: &mut PgConnection, last_week_only: bool) {
-  let mut post_update = diesel::update(post_aggregates::table).into_boxed();
+  let process_start_time = if last_week_only {
-  let mut comment_update = diesel::update(comment_aggregates::table).into_boxed();
-  let mut community_update = diesel::update(community_aggregates::table).into_boxed();
-
-  // Only update for the last week of content
-  if last_week_only {
     info!("Updating hot ranks for last week...");
-    let last_week = now - diesel::dsl::IntervalDsl::weeks(1);
+    naive_now() - chrono::Duration::days(7)
-
-    post_update = post_update.filter(post_aggregates::published.gt(last_week));
-    comment_update = comment_update.filter(comment_aggregates::published.gt(last_week));
-    community_update = community_update.filter(community_aggregates::published.gt(last_week));
   } else {
     info!("Updating hot ranks for all history...");
-  }
+    NaiveDateTime::from_timestamp_opt(0, 0).expect("0 timestamp creation")
+  };
 
-  match post_update
+  process_hot_ranks_in_batches(
-    .set((
+    conn,
-      post_aggregates::hot_rank.eq(hot_rank(post_aggregates::score, post_aggregates::published)),
+    "post_aggregates",
-      post_aggregates::hot_rank_active.eq(hot_rank(
+    "SET hot_rank = hot_rank(a.score, a.published),
-        post_aggregates::score,
+         hot_rank_active = hot_rank(a.score, a.newest_comment_time_necro)",
-        post_aggregates::newest_comment_time_necro,
+    process_start_time,
-      )),
+  );
+
+  process_hot_ranks_in_batches(
+    conn,
+    "comment_aggregates",
+    "SET hot_rank = hot_rank(a.score, a.published)",
+    process_start_time,
+  );
+
+  process_hot_ranks_in_batches(
+    conn,
+    "community_aggregates",
+    "SET hot_rank = hot_rank(a.subscribers, a.published)",
+    process_start_time,
+  );
+
+  info!("Finished hot ranks update!");
+}
+
+#[derive(QueryableByName)]
+struct HotRanksUpdateResult {
+  #[diesel(sql_type = Timestamp)]
+  published: NaiveDateTime,
+}
+
+/// Runs the hot rank update query in batches until all rows after `process_start_time` have been
+/// processed.
+/// In `set_clause`, "a" will refer to the current aggregates table.
+/// Locked rows are skipped in order to prevent deadlocks (they will likely get updated on the next
+/// run)
+fn process_hot_ranks_in_batches(
+  conn: &mut PgConnection,
+  table_name: &str,
+  set_clause: &str,
+  process_start_time: NaiveDateTime,
+) {
+  let update_batch_size = 1000; // Bigger batches than this tend to cause seq scans
+  let mut previous_batch_result = Some(process_start_time);
+  while let Some(previous_batch_last_published) = previous_batch_result {
+    // Raw `sql_query` is used as a performance optimization - Diesel does not support doing this
+    // in a single query (neither as a CTE, nor using a subquery)
+    let result = sql_query(format!(
+      r#"WITH batch AS (SELECT a.id
+               FROM {aggregates_table} a
+               WHERE a.published > $1
+               ORDER BY a.published
+               LIMIT $2
+               FOR UPDATE SKIP LOCKED)
+         UPDATE {aggregates_table} a {set_clause}
+             FROM batch WHERE a.id = batch.id RETURNING a.published;
+    "#,
+      aggregates_table = table_name,
+      set_clause = set_clause
     ))
-    .execute(conn)
+    .bind::<Timestamp, _>(previous_batch_last_published)
-  {
+    .bind::<Integer, _>(update_batch_size)
-    Ok(_) => {}
+    .get_results::<HotRanksUpdateResult>(conn);
-    Err(e) => {
-      error!("Failed to update post_aggregates hot_ranks: {}", e)
-    }
-  }
 
-  match comment_update
+    match result {
-    .set(comment_aggregates::hot_rank.eq(hot_rank(
+      Ok(updated_rows) => previous_batch_result = updated_rows.last().map(|row| row.published),
-      comment_aggregates::score,
-      comment_aggregates::published,
-    )))
-    .execute(conn)
-  {
-    Ok(_) => {}
       Err(e) => {
-      error!("Failed to update comment_aggregates hot_ranks: {}", e)
+        error!("Failed to update {} hot_ranks: {}", table_name, e);
+        break;
       }
     }
+  }
+  info!(
+    "Finished process_hot_ranks_in_batches execution for {}",
+    table_name
+  );
+}
 
-  match community_update
+fn delete_expired_captcha_answers(conn: &mut PgConnection) {
-    .set(community_aggregates::hot_rank.eq(hot_rank(
+  match diesel::delete(
-      community_aggregates::subscribers,
+    captcha_answer::table.filter(captcha_answer::published.lt(now - IntervalDsl::minutes(10))),
-      community_aggregates::published,
+  )
-    )))
   .execute(conn)
   {
     Ok(_) => {
       info!("Done.");
     }
     Err(e) => {
-      error!("Failed to update community_aggregates hot_ranks: {}", e)
+      error!("Failed to clear old captcha answers: {}", e)
     }
   }
 }
@@ -166,6 +218,48 @@ fn clear_old_activities(conn: &mut PgConnection) {
   }
 }
 
+/// overwrite posts and comments 30d after deletion
+fn overwrite_deleted_posts_and_comments(conn: &mut PgConnection) {
+  info!("Overwriting deleted posts...");
+  match diesel::update(
+    post::table
+      .filter(post::deleted.eq(true))
+      .filter(post::updated.lt(now.nullable() - 1.months()))
+      .filter(post::body.ne(DELETED_REPLACEMENT_TEXT)),
+  )
+  .set((
+    post::body.eq(DELETED_REPLACEMENT_TEXT),
+    post::name.eq(DELETED_REPLACEMENT_TEXT),
+  ))
+  .execute(conn)
+  {
+    Ok(_) => {
+      info!("Done.");
+    }
+    Err(e) => {
+      error!("Failed to overwrite deleted posts: {}", e)
+    }
+  }
+
+  info!("Overwriting deleted comments...");
+  match diesel::update(
+    comment::table
+      .filter(comment::deleted.eq(true))
+      .filter(comment::updated.lt(now.nullable() - 1.months()))
+      .filter(comment::content.ne(DELETED_REPLACEMENT_TEXT)),
+  )
+  .set(comment::content.eq(DELETED_REPLACEMENT_TEXT))
+  .execute(conn)
+  {
+    Ok(_) => {
+      info!("Done.");
+    }
+    Err(e) => {
+      error!("Failed to overwrite deleted comments: {}", e)
+    }
+  }
+}
+
 /// Re-calculate the site and community active counts every 12 hours
 fn active_counts(conn: &mut PgConnection) {
   info!("Updating active site and community aggregates ...");