use crate::check_is_apub_id_valid; use activitystreams::{ base::{AsBase, BaseExt, ExtendsExt}, markers::Base, mime::{FromStrError, Mime}, object::{ApObjectExt, Object, ObjectExt, Tombstone, TombstoneExt}, }; use anyhow::{anyhow, Context}; use chrono::NaiveDateTime; use lemmy_utils::{location_info, utils::convert_datetime, LemmyError}; use url::Url; pub(crate) mod comment; pub(crate) mod community; pub(crate) mod post; pub(crate) mod private_message; pub(crate) mod user; /// Updated is actually the deletion time fn create_tombstone( deleted: bool, object_id: &str, updated: Option, former_type: T, ) -> Result where T: ToString, { if deleted { if let Some(updated) = updated { let mut tombstone = Tombstone::new(); tombstone.set_id(object_id.parse()?); tombstone.set_former_type(former_type.to_string()); tombstone.set_deleted(convert_datetime(updated)); Ok(tombstone) } else { Err(anyhow!("Cant convert to tombstone because updated time was None.").into()) } } else { Err(anyhow!("Cant convert object to tombstone if it wasnt deleted").into()) } } pub(in crate::objects) fn check_object_domain( apub: &T, expected_domain: Option, ) -> Result where T: Base + AsBase, { let object_id = if let Some(url) = expected_domain { let domain = url.domain().context(location_info!())?; apub.id(domain)?.context(location_info!())? } else { apub.id_unchecked().context(location_info!())? }; check_is_apub_id_valid(&object_id)?; Ok(object_id.to_string()) } pub(in crate::objects) fn set_content_and_source( object: &mut T, markdown_text: &str, ) -> Result<(), LemmyError> where T: ApObjectExt + ObjectExt + AsBase, { let mut source = Object::<()>::new_none_type(); source .set_content(markdown_text) .set_media_type(mime_markdown()?); object.set_source(source.into_any_base()?); // set `content` to markdown for compatibility with older Lemmy versions // TODO: change this to HTML in a while object.set_content(markdown_text); object.set_media_type(mime_markdown()?); //object.set_content(markdown_to_html(markdown_text)); Ok(()) } pub(in crate::objects) fn get_source_markdown_value( object: &T, ) -> Result, LemmyError> where T: ApObjectExt + ObjectExt + AsBase, { let content = object .content() .map(|s| s.as_single_xsd_string()) .flatten() .map(|s| s.to_string()); if content.is_some() { let source = object.source(); // updated lemmy version, read markdown from `source.content` if let Some(source) = source { let source = Object::<()>::from_any_base(source.to_owned())?.context(location_info!())?; check_is_markdown(source.media_type())?; let source_content = source .content() .map(|s| s.as_single_xsd_string()) .flatten() .context(location_info!())? .to_string(); return Ok(Some(source_content)); } // older lemmy version, read markdown from `content` // TODO: remove this after a while else { return Ok(content); } } Ok(None) } pub(in crate::objects) fn mime_markdown() -> Result { "text/markdown".parse() } pub(in crate::objects) fn check_is_markdown(mime: Option<&Mime>) -> Result<(), LemmyError> { let mime = mime.context(location_info!())?; if !mime.eq(&mime_markdown()?) { Err(LemmyError::from(anyhow!( "Lemmy only supports markdown content" ))) } else { Ok(()) } }