lemmy/crates/apub/src/http/person.rs

use actix_web::{body::Body, web, web::Payload, HttpRequest, HttpResponse};
use log::info;
use serde::{Deserialize, Serialize};

use lemmy_api_common::blocking;
use lemmy_apub_lib::traits::{ActivityFields, ActivityHandler, ApubObject};
use lemmy_db_schema::source::person::Person;
use lemmy_utils::LemmyError;
use lemmy_websocket::LemmyContext;

use crate::{
  activities::{
    community::announce::{AnnouncableActivities, AnnounceActivity},
    following::accept::AcceptFollowCommunity,
    private_message::{
      create_or_update::CreateOrUpdatePrivateMessage,
      delete::DeletePrivateMessage,
      undo_delete::UndoDeletePrivateMessage,
    },
  },
  context::WithContext,
  http::{
    create_apub_response,
    create_apub_tombstone_response,
    payload_to_string,
    receive_activity,
  },
  objects::person::ApubPerson,
  protocol::collections::person_outbox::UserOutbox,
};

#[derive(Deserialize)]
pub struct PersonQuery {
  user_name: String,
}

/// Return the ActivityPub json representation of a local person over HTTP.
pub(crate) async fn get_apub_person_http(
  info: web::Path<PersonQuery>,
  context: web::Data<LemmyContext>,
) -> Result<HttpResponse<Body>, LemmyError> {
  let user_name = info.into_inner().user_name;
  // TODO: this needs to be able to read deleted persons, so that it can send tombstones
  let person: ApubPerson = blocking(context.pool(), move |conn| {
    Person::find_by_name(conn, &user_name)
  })
  .await??
  .into();

  if !person.deleted {
    let apub = person.to_apub(&context).await?;

    Ok(create_apub_response(&apub))
  } else {
    Ok(create_apub_tombstone_response(&person.to_tombstone()?))
  }
}

#[derive(Clone, Debug, Deserialize, Serialize, ActivityHandler, ActivityFields)]
#[serde(untagged)]
#[activity_handler(LemmyContext)]
pub enum PersonInboxActivities {
  AcceptFollowCommunity(AcceptFollowCommunity),
  /// Some activities can also be sent from user to user, eg a comment with mentions
  AnnouncableActivities(AnnouncableActivities),
  CreateOrUpdatePrivateMessage(CreateOrUpdatePrivateMessage),
  DeletePrivateMessage(DeletePrivateMessage),
  UndoDeletePrivateMessage(UndoDeletePrivateMessage),
  AnnounceActivity(Box<AnnounceActivity>),
}

pub async fn person_inbox(
  request: HttpRequest,
  payload: Payload,
  _path: web::Path<String>,
  context: web::Data<LemmyContext>,
) -> Result<HttpResponse, LemmyError> {
  let unparsed = payload_to_string(payload).await?;
  info!("Received person inbox activity {}", unparsed);
  let activity = serde_json::from_str::<WithContext<PersonInboxActivities>>(&unparsed)?;
  receive_person_inbox(activity.inner(), request, &context).await
}

pub(in crate::http) async fn receive_person_inbox(
  activity: PersonInboxActivities,
  request: HttpRequest,
  context: &LemmyContext,
) -> Result<HttpResponse, LemmyError> {
  receive_activity(request, activity, context).await
}

pub(crate) async fn get_apub_person_outbox(
  info: web::Path<PersonQuery>,
  context: web::Data<LemmyContext>,
) -> Result<HttpResponse<Body>, LemmyError> {
  let person = blocking(context.pool(), move |conn| {
    Person::find_by_name(conn, &info.user_name)
  })
  .await??;
  let outbox = UserOutbox::new(person).await?;
  Ok(create_apub_response(&outbox))
}
Move object and collection structs to protocol folder 3 years ago			`use actix_web::{body::Body, web, web::Payload, HttpRequest, HttpResponse};`
			`use log::info;`
			`use serde::{Deserialize, Serialize};`

			`use lemmy_api_common::blocking;`
			`use lemmy_apub_lib::traits::{ActivityFields, ActivityHandler, ApubObject};`
			`use lemmy_db_schema::source::person::Person;`
			`use lemmy_utils::LemmyError;`
			`use lemmy_websocket::LemmyContext;`

Merge apub, apub_receive crates (fixes #1621) 3 years ago			`use crate::{`
Rewrite remaining activities (#1712) * Limit type/method visibility in apub code * Simplify db_queries traits by removing generics * Simplify delete activity implementation * Rewrite delete activities * Implement helper functions for websocket message sending * When receiving delete reason as empty string, change to none * Rewrite remaining activities * Simplify inbox * Remove struct ActivityCommonFields, derive ActivityFields trait instead * Community should announce received activities to followers 3 years ago			`activities::{`
			`community::announce::{AnnouncableActivities, AnnounceActivity},`
			`following::accept::AcceptFollowCommunity,`
			`private_message::{`
			`create_or_update::CreateOrUpdatePrivateMessage,`
			`delete::DeletePrivateMessage,`
			`undo_delete::UndoDeletePrivateMessage,`
			`},`
			`},`
Move @context out of object/activity definitions 3 years ago			`context::WithContext,`
Merge apub, apub_receive crates (fixes #1621) 3 years ago			`http::{`
			`create_apub_response,`
			`create_apub_tombstone_response,`
			`payload_to_string,`
			`receive_activity,`
			`},`
Major refactor, adding newtypes for apub crate - this allows moving FromApub/ToApub traits into apub lib 3 years ago			`objects::person::ApubPerson,`
Move object and collection structs to protocol folder 3 years ago			`protocol::collections::person_outbox::UserOutbox,`
Apub inbox rewrite (#1652) * start to implement apub inbox routing lib * got something that almost works * it compiles! * implemented some more * move library code to separate crate (most of it) * convert private message handlers * convert all comment receivers (except undo comment) * convert post receiver * add verify trait * convert community receivers * add cc field for all activities which i forgot before * convert inbox functions, add missing checks * convert undo like/dislike receivers * convert undo_delete and undo_remove receivers * move block/unblock activities * convert remaining activity receivers * reimplement http signature verification and other checks * also use actor type for routing, VerifyActivity and SendActivity traits * cleanup and restructure apub_receive code * wip: try to fix activity routing * implement a (very bad) derive macro for activityhandler * working activity routing! * rework pm verify(), fix tests and confirm manually also remove inbox username check which was broken * rework following verify(), fix tests and test manually * fix post/comment create/update, rework voting * Rewrite remove/delete post/comment, fix tests, test manually * Rework and fix (un)block user, announce, update post * some code cleanup * rework delete/remove activity receivers (still quite messy) * rewrite, test and fix add/remove mod, update community handlers * add docs for ActivityHandler derive macro * dont try to compile macro comments 3 years ago			`};`
Refactor apub code, split up large files 4 years ago
			`#[derive(Deserialize)]`
~80% done 3 years ago			`pub struct PersonQuery {`
Refactor apub code, split up large files 4 years ago			`user_name: String,`
			`}`

~80% done 3 years ago			`/// Return the ActivityPub json representation of a local person over HTTP.`
Merge branch 'main' into federated-moderation 3 years ago			`pub(crate) async fn get_apub_person_http(`
~80% done 3 years ago			`info: web::Path<PersonQuery>,`
Refactor apub code, split up large files 4 years ago			`context: web::Data<LemmyContext>,`
			`) -> Result<HttpResponse<Body>, LemmyError> {`
			`let user_name = info.into_inner().user_name;`
~80% done 3 years ago			`// TODO: this needs to be able to read deleted persons, so that it can send tombstones`
Major refactor, adding newtypes for apub crate - this allows moving FromApub/ToApub traits into apub lib 3 years ago			`let person: ApubPerson = blocking(context.pool(), move \|conn\| {`
~80% done 3 years ago			`Person::find_by_name(conn, &user_name)`
Refactor apub code, split up large files 4 years ago			`})`
Major refactor, adding newtypes for apub crate - this allows moving FromApub/ToApub traits into apub lib 3 years ago			`.await??`
			`.into();`
Deletion on fetch (#1345) * Delete local object on fetch when receiving HTTP 410, split fetcher (fixes #1256) * Removing submodules * Trying to re-init submodule * Trying to re-init submodule 2 * Trying to re-init submodule 3 * Logging line. * Removing submodules * Adding again. * Adding again 2. * Adding again 3. * Adding again 4. * Adding again 5. * Adding again 6. * Adding again 7. * Adding again 8. * Adding again 9. * Add more clippy lints, remove dbg!() statement * Adding again 10. * Adding again 11. * Adding again 12. Co-authored-by: Felix Ableitner <me@nutomic.com> 3 years ago
~80% done 3 years ago			`if !person.deleted {`
Rewrite collections to use new fetcher (#1861) * Merge traits ToApub and FromApub into ApubObject * Rewrite community outbox to use new fetcher * Rewrite community moderators collection * Rewrite tombstone 3 years ago			`let apub = person.to_apub(&context).await?;`
Deletion on fetch (#1345) * Delete local object on fetch when receiving HTTP 410, split fetcher (fixes #1256) * Removing submodules * Trying to re-init submodule * Trying to re-init submodule 2 * Trying to re-init submodule 3 * Logging line. * Removing submodules * Adding again. * Adding again 2. * Adding again 3. * Adding again 4. * Adding again 5. * Adding again 6. * Adding again 7. * Adding again 8. * Adding again 9. * Add more clippy lints, remove dbg!() statement * Adding again 10. * Adding again 11. * Adding again 12. Co-authored-by: Felix Ableitner <me@nutomic.com> 3 years ago
			`Ok(create_apub_response(&apub))`
			`} else {`
~80% done 3 years ago			`Ok(create_apub_tombstone_response(&person.to_tombstone()?))`
Deletion on fetch (#1345) * Delete local object on fetch when receiving HTTP 410, split fetcher (fixes #1256) * Removing submodules * Trying to re-init submodule * Trying to re-init submodule 2 * Trying to re-init submodule 3 * Logging line. * Removing submodules * Adding again. * Adding again 2. * Adding again 3. * Adding again 4. * Adding again 5. * Adding again 6. * Adding again 7. * Adding again 8. * Adding again 9. * Add more clippy lints, remove dbg!() statement * Adding again 10. * Adding again 11. * Adding again 12. Co-authored-by: Felix Ableitner <me@nutomic.com> 3 years ago			`}`
Refactor apub code, split up large files 4 years ago			`}`
Create empty outbox for user (ref #1220) 4 years ago
Rewrite remaining activities (#1712) * Limit type/method visibility in apub code * Simplify db_queries traits by removing generics * Simplify delete activity implementation * Rewrite delete activities * Implement helper functions for websocket message sending * When receiving delete reason as empty string, change to none * Rewrite remaining activities * Simplify inbox * Remove struct ActivityCommonFields, derive ActivityFields trait instead * Community should announce received activities to followers 3 years ago			`#[derive(Clone, Debug, Deserialize, Serialize, ActivityHandler, ActivityFields)]`
			`#[serde(untagged)]`
Move code to apub library (#1795) * Remove dependency of apub_lib on LemmyContext * Move ApubObject trait to library * Reorganize files in apub lib * Move ActorType, signatures, activity_queue to apub library 3 years ago			`#[activity_handler(LemmyContext)]`
Rewrite remaining activities (#1712) * Limit type/method visibility in apub code * Simplify db_queries traits by removing generics * Simplify delete activity implementation * Rewrite delete activities * Implement helper functions for websocket message sending * When receiving delete reason as empty string, change to none * Rewrite remaining activities * Simplify inbox * Remove struct ActivityCommonFields, derive ActivityFields trait instead * Community should announce received activities to followers 3 years ago			`pub enum PersonInboxActivities {`
			`AcceptFollowCommunity(AcceptFollowCommunity),`
			`/// Some activities can also be sent from user to user, eg a comment with mentions`
			`AnnouncableActivities(AnnouncableActivities),`
			`CreateOrUpdatePrivateMessage(CreateOrUpdatePrivateMessage),`
			`DeletePrivateMessage(DeletePrivateMessage),`
			`UndoDeletePrivateMessage(UndoDeletePrivateMessage),`
			`AnnounceActivity(Box<AnnounceActivity>),`
			`}`

Apub inbox rewrite (#1652) * start to implement apub inbox routing lib * got something that almost works * it compiles! * implemented some more * move library code to separate crate (most of it) * convert private message handlers * convert all comment receivers (except undo comment) * convert post receiver * add verify trait * convert community receivers * add cc field for all activities which i forgot before * convert inbox functions, add missing checks * convert undo like/dislike receivers * convert undo_delete and undo_remove receivers * move block/unblock activities * convert remaining activity receivers * reimplement http signature verification and other checks * also use actor type for routing, VerifyActivity and SendActivity traits * cleanup and restructure apub_receive code * wip: try to fix activity routing * implement a (very bad) derive macro for activityhandler * working activity routing! * rework pm verify(), fix tests and confirm manually also remove inbox username check which was broken * rework following verify(), fix tests and test manually * fix post/comment create/update, rework voting * Rewrite remove/delete post/comment, fix tests, test manually * Rework and fix (un)block user, announce, update post * some code cleanup * rework delete/remove activity receivers (still quite messy) * rewrite, test and fix add/remove mod, update community handlers * add docs for ActivityHandler derive macro * dont try to compile macro comments 3 years ago			`pub async fn person_inbox(`
			`request: HttpRequest,`
			`payload: Payload,`
			`_path: web::Path<String>,`
			`context: web::Data<LemmyContext>,`
			`) -> Result<HttpResponse, LemmyError> {`
			`let unparsed = payload_to_string(payload).await?;`
Activity.to should always be a vec (and unspecified size for public activities) 3 years ago			`info!("Received person inbox activity {}", unparsed);`
Move @context out of object/activity definitions 3 years ago			`let activity = serde_json::from_str::<WithContext<PersonInboxActivities>>(&unparsed)?;`
			`receive_person_inbox(activity.inner(), request, &context).await`
Rewrite remaining activities (#1712) * Limit type/method visibility in apub code * Simplify db_queries traits by removing generics * Simplify delete activity implementation * Rewrite delete activities * Implement helper functions for websocket message sending * When receiving delete reason as empty string, change to none * Rewrite remaining activities * Simplify inbox * Remove struct ActivityCommonFields, derive ActivityFields trait instead * Community should announce received activities to followers 3 years ago			`}`

			`pub(in crate::http) async fn receive_person_inbox(`
			`activity: PersonInboxActivities,`
			`request: HttpRequest,`
			`context: &LemmyContext,`
			`) -> Result<HttpResponse, LemmyError> {`
			`receive_activity(request, activity, context).await`
Apub inbox rewrite (#1652) * start to implement apub inbox routing lib * got something that almost works * it compiles! * implemented some more * move library code to separate crate (most of it) * convert private message handlers * convert all comment receivers (except undo comment) * convert post receiver * add verify trait * convert community receivers * add cc field for all activities which i forgot before * convert inbox functions, add missing checks * convert undo like/dislike receivers * convert undo_delete and undo_remove receivers * move block/unblock activities * convert remaining activity receivers * reimplement http signature verification and other checks * also use actor type for routing, VerifyActivity and SendActivity traits * cleanup and restructure apub_receive code * wip: try to fix activity routing * implement a (very bad) derive macro for activityhandler * working activity routing! * rework pm verify(), fix tests and confirm manually also remove inbox username check which was broken * rework following verify(), fix tests and test manually * fix post/comment create/update, rework voting * Rewrite remove/delete post/comment, fix tests, test manually * Rework and fix (un)block user, announce, update post * some code cleanup * rework delete/remove activity receivers (still quite messy) * rewrite, test and fix add/remove mod, update community handlers * add docs for ActivityHandler derive macro * dont try to compile macro comments 3 years ago			`}`

Merge branch 'main' into federated-moderation 3 years ago			`pub(crate) async fn get_apub_person_outbox(`
~80% done 3 years ago			`info: web::Path<PersonQuery>,`
Create empty outbox for user (ref #1220) 4 years ago			`context: web::Data<LemmyContext>,`
			`) -> Result<HttpResponse<Body>, LemmyError> {`
~80% done 3 years ago			`let person = blocking(context.pool(), move \|conn\| {`
Running clippy --fix (#1647) 3 years ago			`Person::find_by_name(conn, &info.user_name)`
Create empty outbox for user (ref #1220) 4 years ago			`})`
			`.await??;`
Rewrite community followers and user outbox to use our own structs 3 years ago			`let outbox = UserOutbox::new(person).await?;`
			`Ok(create_apub_response(&outbox))`
Create empty outbox for user (ref #1220) 4 years ago			`}`