lemmy/src/code_migrations.rs

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// This is for db migrations that require code
use diesel::{
sql_types::{Nullable, Text},
*,
};
use lemmy_apub::{
generate_followers_url,
generate_inbox_url,
generate_local_apub_endpoint,
generate_shared_inbox_url,
generate_site_inbox_url,
EndpointType,
};
use lemmy_db_schema::{
naive_now,
source::{
comment::Comment,
community::{Community, CommunityForm},
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person::{Person, PersonForm},
post::Post,
private_message::PrivateMessage,
site::{Site, SiteForm},
},
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traits::Crud,
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};
use lemmy_utils::{apub::generate_actor_keypair, LemmyError};
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use tracing::info;
use url::Url;
pub fn run_advanced_migrations(
conn: &PgConnection,
protocol_and_hostname: &str,
) -> Result<(), LemmyError> {
user_updates_2020_04_02(conn, protocol_and_hostname)?;
community_updates_2020_04_02(conn, protocol_and_hostname)?;
post_updates_2020_04_03(conn, protocol_and_hostname)?;
comment_updates_2020_04_03(conn, protocol_and_hostname)?;
private_message_updates_2020_05_05(conn, protocol_and_hostname)?;
post_thumbnail_url_updates_2020_07_27(conn, protocol_and_hostname)?;
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apub_columns_2021_02_02(conn)?;
instance_actor_2022_01_28(conn, protocol_and_hostname)?;
Ok(())
}
fn user_updates_2020_04_02(
conn: &PgConnection,
protocol_and_hostname: &str,
) -> Result<(), LemmyError> {
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use lemmy_db_schema::schema::person::dsl::*;
info!("Running user_updates_2020_04_02");
// Update the actor_id, private_key, and public_key, last_refreshed_at
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let incorrect_persons = person
.filter(actor_id.like("http://changeme_%"))
.filter(local.eq(true))
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.load::<Person>(conn)?;
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for cperson in &incorrect_persons {
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let keypair = generate_actor_keypair()?;
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let form = PersonForm {
name: cperson.name.to_owned(),
actor_id: Some(generate_local_apub_endpoint(
EndpointType::Person,
&cperson.name,
protocol_and_hostname,
)?),
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private_key: Some(Some(keypair.private_key)),
public_key: keypair.public_key,
last_refreshed_at: Some(naive_now()),
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..PersonForm::default()
};
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Person::update(conn, cperson.id, &form)?;
}
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info!("{} person rows updated.", incorrect_persons.len());
Ok(())
}
fn community_updates_2020_04_02(
conn: &PgConnection,
protocol_and_hostname: &str,
) -> Result<(), LemmyError> {
use lemmy_db_schema::schema::community::dsl::*;
info!("Running community_updates_2020_04_02");
// Update the actor_id, private_key, and public_key, last_refreshed_at
let incorrect_communities = community
.filter(actor_id.like("http://changeme_%"))
.filter(local.eq(true))
.load::<Community>(conn)?;
for ccommunity in &incorrect_communities {
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let keypair = generate_actor_keypair()?;
let community_actor_id = generate_local_apub_endpoint(
EndpointType::Community,
&ccommunity.name,
protocol_and_hostname,
)?;
let form = CommunityForm {
name: ccommunity.name.to_owned(),
title: ccommunity.title.to_owned(),
description: ccommunity.description.to_owned(),
removed: None,
deleted: None,
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nsfw: None,
updated: None,
actor_id: Some(community_actor_id.to_owned()),
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local: Some(ccommunity.local),
private_key: Some(Some(keypair.private_key)),
public_key: keypair.public_key,
last_refreshed_at: Some(naive_now()),
published: None,
icon: Some(ccommunity.icon.to_owned()),
banner: Some(ccommunity.banner.to_owned()),
followers_url: None,
inbox_url: None,
shared_inbox_url: None,
};
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Community::update(conn, ccommunity.id, &form)?;
}
info!("{} community rows updated.", incorrect_communities.len());
Ok(())
}
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fn post_updates_2020_04_03(
conn: &PgConnection,
protocol_and_hostname: &str,
) -> Result<(), LemmyError> {
use lemmy_db_schema::schema::post::dsl::*;
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info!("Running post_updates_2020_04_03");
// Update the ap_id
let incorrect_posts = post
.filter(ap_id.like("http://changeme_%"))
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.filter(local.eq(true))
.load::<Post>(conn)?;
for cpost in &incorrect_posts {
let apub_id = generate_local_apub_endpoint(
EndpointType::Post,
&cpost.id.to_string(),
protocol_and_hostname,
)?;
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Post::update_ap_id(conn, cpost.id, apub_id)?;
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}
info!("{} post rows updated.", incorrect_posts.len());
Ok(())
}
fn comment_updates_2020_04_03(
conn: &PgConnection,
protocol_and_hostname: &str,
) -> Result<(), LemmyError> {
use lemmy_db_schema::schema::comment::dsl::*;
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info!("Running comment_updates_2020_04_03");
// Update the ap_id
let incorrect_comments = comment
.filter(ap_id.like("http://changeme_%"))
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.filter(local.eq(true))
.load::<Comment>(conn)?;
for ccomment in &incorrect_comments {
let apub_id = generate_local_apub_endpoint(
EndpointType::Comment,
&ccomment.id.to_string(),
protocol_and_hostname,
)?;
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Comment::update_ap_id(conn, ccomment.id, apub_id)?;
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}
info!("{} comment rows updated.", incorrect_comments.len());
Ok(())
}
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fn private_message_updates_2020_05_05(
conn: &PgConnection,
protocol_and_hostname: &str,
) -> Result<(), LemmyError> {
use lemmy_db_schema::schema::private_message::dsl::*;
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info!("Running private_message_updates_2020_05_05");
// Update the ap_id
let incorrect_pms = private_message
.filter(ap_id.like("http://changeme_%"))
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.filter(local.eq(true))
.load::<PrivateMessage>(conn)?;
for cpm in &incorrect_pms {
let apub_id = generate_local_apub_endpoint(
EndpointType::PrivateMessage,
&cpm.id.to_string(),
protocol_and_hostname,
)?;
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PrivateMessage::update_ap_id(conn, cpm.id, apub_id)?;
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}
info!("{} private message rows updated.", incorrect_pms.len());
Ok(())
}
fn post_thumbnail_url_updates_2020_07_27(
conn: &PgConnection,
protocol_and_hostname: &str,
) -> Result<(), LemmyError> {
use lemmy_db_schema::schema::post::dsl::*;
info!("Running post_thumbnail_url_updates_2020_07_27");
let domain_prefix = format!("{}/pictrs/image/", protocol_and_hostname,);
let incorrect_thumbnails = post.filter(thumbnail_url.not_like("http%"));
// Prepend the rows with the update
let res = diesel::update(incorrect_thumbnails)
.set(
thumbnail_url.eq(
domain_prefix
.into_sql::<Nullable<Text>>()
.concat(thumbnail_url),
),
)
.get_results::<Post>(conn)?;
info!("{} Post thumbnail_url rows updated.", res.len());
Ok(())
}
/// We are setting inbox and follower URLs for local and remote actors alike, because for now
/// all federated instances are also Lemmy and use the same URL scheme.
fn apub_columns_2021_02_02(conn: &PgConnection) -> Result<(), LemmyError> {
info!("Running apub_columns_2021_02_02");
{
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use lemmy_db_schema::schema::person::dsl::*;
let persons = person
.filter(inbox_url.like("http://changeme_%"))
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.load::<Person>(conn)?;
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for p in &persons {
let inbox_url_ = generate_inbox_url(&p.actor_id)?;
let shared_inbox_url_ = generate_shared_inbox_url(&p.actor_id)?;
diesel::update(person.find(p.id))
.set((
inbox_url.eq(inbox_url_),
shared_inbox_url.eq(shared_inbox_url_),
))
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.get_result::<Person>(conn)?;
}
}
{
use lemmy_db_schema::schema::community::dsl::*;
let communities = community
.filter(inbox_url.like("http://changeme_%"))
.load::<Community>(conn)?;
for c in &communities {
let followers_url_ = generate_followers_url(&c.actor_id)?;
let inbox_url_ = generate_inbox_url(&c.actor_id)?;
let shared_inbox_url_ = generate_shared_inbox_url(&c.actor_id)?;
diesel::update(community.find(c.id))
.set((
followers_url.eq(followers_url_),
inbox_url.eq(inbox_url_),
shared_inbox_url.eq(shared_inbox_url_),
))
.get_result::<Community>(conn)?;
}
}
Ok(())
}
/// Site object turns into an actor, so that things like instance description can be federated. This
/// means we need to add actor columns to the site table, and initialize them with correct values.
/// Before this point, there is only a single value in the site table which refers to the local
/// Lemmy instance, so thats all we need to update.
fn instance_actor_2022_01_28(
conn: &PgConnection,
protocol_and_hostname: &str,
) -> Result<(), LemmyError> {
info!("Running instance_actor_2021_09_29");
if let Ok(site) = Site::read_local_site(conn) {
let key_pair = generate_actor_keypair()?;
let actor_id = Url::parse(protocol_and_hostname)?;
let site_form = SiteForm {
name: site.name,
actor_id: Some(actor_id.clone().into()),
last_refreshed_at: Some(naive_now()),
inbox_url: Some(generate_site_inbox_url(&actor_id.into())?),
private_key: Some(Some(key_pair.private_key)),
public_key: Some(key_pair.public_key),
..Default::default()
};
Site::update(conn, site.id, &site_form)?;
}
Ok(())
}