]> Untitled Git - lemmy.git/blobdiff - crates/api_crud/src/post/create.rs
Make functions work with both connection and pool (#3420)
[lemmy.git] / crates / api_crud / src / post / create.rs
index bc2f29f7fc28c8eb28da5cdbfd18d8652429f7d0..a7aafe81249e0b9f2a25799eaf82cc01ce11311a 100644 (file)
@@ -1,37 +1,42 @@
 use crate::PerformCrud;
 use actix_web::web::Data;
 use lemmy_api_common::{
-  blocking,
-  check_community_ban,
-  check_community_deleted_or_removed,
-  get_local_user_view_from_jwt,
-  honeypot_check,
-  mark_post_as_read,
-  post::*,
-};
-use lemmy_apub::{
-  fetcher::post_or_comment::PostOrComment,
-  generate_local_apub_endpoint,
-  objects::post::ApubPost,
-  protocol::activities::{
-    create_or_update::post::CreateOrUpdatePost,
-    voting::vote::{Vote, VoteType},
-    CreateOrUpdateType,
+  build_response::build_post_response,
+  context::LemmyContext,
+  post::{CreatePost, PostResponse},
+  request::fetch_site_data,
+  utils::{
+    check_community_ban,
+    check_community_deleted_or_removed,
+    generate_local_apub_endpoint,
+    honeypot_check,
+    local_site_to_slur_regex,
+    local_user_view_from_jwt,
+    mark_post_as_read,
+    EndpointType,
   },
-  EndpointType,
 };
 use lemmy_db_schema::{
-  source::post::{Post, PostForm, PostLike, PostLikeForm},
+  impls::actor_language::default_post_language,
+  source::{
+    actor_language::CommunityLanguage,
+    community::Community,
+    local_site::LocalSite,
+    post::{Post, PostInsertForm, PostLike, PostLikeForm, PostUpdateForm},
+  },
   traits::{Crud, Likeable},
 };
+use lemmy_db_views_actor::structs::CommunityView;
 use lemmy_utils::{
-  request::fetch_site_data,
-  utils::{check_slurs, check_slurs_opt, clean_url_params, is_valid_post_title},
-  ConnectionId,
-  LemmyError,
+  error::{LemmyError, LemmyErrorExt, LemmyErrorType},
+  spawn_try_task,
+  utils::{
+    slurs::{check_slurs, check_slurs_opt},
+    validation::{check_url_scheme, clean_url_params, is_valid_body_field, is_valid_post_title},
+  },
+  SYNCHRONOUS_FEDERATION,
 };
-use lemmy_websocket::{send::send_post_ws_message, LemmyContext, UserOperationCrud};
-use tracing::warn;
+use tracing::Instrument;
 use url::Url;
 use webmention::{Webmention, WebmentionError};
 
@@ -39,77 +44,104 @@ use webmention::{Webmention, WebmentionError};
 impl PerformCrud for CreatePost {
   type Response = PostResponse;
 
-  #[tracing::instrument(skip(context, websocket_id))]
-  async fn perform(
-    &self,
-    context: &Data<LemmyContext>,
-    websocket_id: Option<ConnectionId>,
-  ) -> Result<PostResponse, LemmyError> {
+  #[tracing::instrument(skip(context))]
+  async fn perform(&self, context: &Data<LemmyContext>) -> Result<PostResponse, LemmyError> {
     let data: &CreatePost = self;
-    let local_user_view =
-      get_local_user_view_from_jwt(&data.auth, context.pool(), context.secret()).await?;
+    let local_user_view = local_user_view_from_jwt(&data.auth, context).await?;
+    let local_site = LocalSite::read(&mut context.pool()).await?;
 
-    let slur_regex = &context.settings().slur_regex();
-    check_slurs(&data.name, slur_regex)?;
-    check_slurs_opt(&data.body, slur_regex)?;
+    let slur_regex = local_site_to_slur_regex(&local_site);
+    check_slurs(&data.name, &slur_regex)?;
+    check_slurs_opt(&data.body, &slur_regex)?;
     honeypot_check(&data.honeypot)?;
 
-    if !is_valid_post_title(&data.name) {
-      return Err(LemmyError::from_message("invalid_post_title"));
-    }
+    let data_url = data.url.as_ref();
+    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, true)?;
+    check_url_scheme(&data.url)?;
 
-    check_community_ban(local_user_view.person.id, data.community_id, context.pool()).await?;
-    check_community_deleted_or_removed(data.community_id, context.pool()).await?;
+    check_community_ban(
+      local_user_view.person.id,
+      data.community_id,
+      &mut context.pool(),
+    )
+    .await?;
+    check_community_deleted_or_removed(data.community_id, &mut context.pool()).await?;
+
+    let community_id = data.community_id;
+    let community = Community::read(&mut context.pool(), community_id).await?;
+    if community.posting_restricted_to_mods {
+      let community_id = data.community_id;
+      let is_mod = CommunityView::is_mod_or_admin(
+        &mut context.pool(),
+        local_user_view.local_user.person_id,
+        community_id,
+      )
+      .await?;
+      if !is_mod {
+        return Err(LemmyErrorType::OnlyModsCanPostInCommunity)?;
+      }
+    }
 
     // Fetch post links and pictrs cached image
-    let data_url = data.url.as_ref();
-    let (metadata_res, pictrs_thumbnail) =
-      fetch_site_data(context.client(), &context.settings(), data_url).await;
-    let (embed_title, embed_description, embed_html) = metadata_res
-      .map(|u| (u.title, u.description, u.html))
-      .unwrap_or((None, None, None));
-
-    let post_form = PostForm {
-      name: data.name.trim().to_owned(),
-      url: data_url.map(|u| clean_url_params(u.to_owned()).into()),
-      body: data.body.to_owned(),
-      community_id: data.community_id,
-      creator_id: local_user_view.person.id,
-      nsfw: data.nsfw,
-      embed_title,
-      embed_description,
-      embed_html,
-      thumbnail_url: pictrs_thumbnail.map(|u| u.into()),
-      ..PostForm::default()
+    let (metadata_res, thumbnail_url) =
+      fetch_site_data(context.client(), context.settings(), data_url, true).await;
+    let (embed_title, embed_description, embed_video_url) = metadata_res
+      .map(|u| (u.title, u.description, u.embed_video_url))
+      .unwrap_or_default();
+
+    let language_id = match data.language_id {
+      Some(lid) => Some(lid),
+      None => {
+        default_post_language(
+          &mut context.pool(),
+          community_id,
+          local_user_view.local_user.id,
+        )
+        .await?
+      }
     };
+    CommunityLanguage::is_allowed_community_language(
+      &mut context.pool(),
+      language_id,
+      community_id,
+    )
+    .await?;
 
-    let inserted_post =
-      match blocking(context.pool(), move |conn| Post::create(conn, &post_form)).await? {
-        Ok(post) => post,
-        Err(e) => {
-          let err_type = if e.to_string() == "value too long for type character varying(200)" {
-            "post_title_too_long"
-          } else {
-            "couldnt_create_post"
-          };
-
-          return Err(LemmyError::from(e).with_message(err_type));
-        }
-      };
+    let post_form = PostInsertForm::builder()
+      .name(data.name.trim().to_owned())
+      .url(url)
+      .body(data.body.clone())
+      .community_id(data.community_id)
+      .creator_id(local_user_view.person.id)
+      .nsfw(data.nsfw)
+      .embed_title(embed_title)
+      .embed_description(embed_description)
+      .embed_video_url(embed_video_url)
+      .language_id(language_id)
+      .thumbnail_url(thumbnail_url)
+      .build();
+
+    let inserted_post = Post::create(&mut context.pool(), &post_form)
+      .await
+      .with_lemmy_type(LemmyErrorType::CouldntCreatePost)?;
 
     let inserted_post_id = inserted_post.id;
     let protocol_and_hostname = context.settings().get_protocol_and_hostname();
-    let updated_post = blocking(context.pool(), move |conn| -> Result<Post, LemmyError> {
-      let apub_id = generate_local_apub_endpoint(
-        EndpointType::Post,
-        &inserted_post_id.to_string(),
-        &protocol_and_hostname,
-      )?;
-      Ok(Post::update_ap_id(conn, inserted_post_id, apub_id)?)
-    })
-    .await?
-    .map_err(LemmyError::from)
-    .map_err(|e| e.with_message("couldnt_create_post"))?;
+    let apub_id = generate_local_apub_endpoint(
+      EndpointType::Post,
+      &inserted_post_id.to_string(),
+      &protocol_and_hostname,
+    )?;
+    let updated_post = Post::update(
+      &mut context.pool(),
+      inserted_post_id,
+      &PostUpdateForm::builder().ap_id(Some(apub_id)).build(),
+    )
+    .await
+    .with_lemmy_type(LemmyErrorType::CouldntCreatePost)?;
 
     // They like their own post by default
     let person_id = local_user_view.person.id;
@@ -120,50 +152,35 @@ impl PerformCrud for CreatePost {
       score: 1,
     };
 
-    let like = move |conn: &'_ _| PostLike::like(conn, &like_form);
-    if blocking(context.pool(), like).await?.is_err() {
-      return Err(LemmyError::from_message("couldnt_like_post"));
-    }
+    PostLike::like(&mut context.pool(), &like_form)
+      .await
+      .with_lemmy_type(LemmyErrorType::CouldntLikePost)?;
 
     // Mark the post as read
-    mark_post_as_read(person_id, post_id, context.pool()).await?;
-
-    if let Some(url) = &updated_post.url {
-      let mut webmention =
-        Webmention::new::<Url>(updated_post.ap_id.clone().into(), url.clone().into())?;
-      webmention.set_checked(true);
-      match webmention.send().await {
-        Ok(_) => {}
-        Err(WebmentionError::NoEndpointDiscovered(_)) => {}
-        Err(e) => warn!("Failed to send webmention: {}", e),
+    mark_post_as_read(person_id, post_id, &mut context.pool()).await?;
+
+    if let Some(url) = updated_post.url.clone() {
+      let task = async move {
+        let mut webmention =
+          Webmention::new::<Url>(updated_post.ap_id.clone().into(), url.clone().into())?;
+        webmention.set_checked(true);
+        match webmention
+          .send()
+          .instrument(tracing::info_span!("Sending webmention"))
+          .await
+        {
+          Err(WebmentionError::NoEndpointDiscovered(_)) => Ok(()),
+          Ok(_) => Ok(()),
+          Err(e) => Err(e).with_lemmy_type(LemmyErrorType::CouldntSendWebmention),
+        }
+      };
+      if *SYNCHRONOUS_FEDERATION {
+        task.await?;
+      } else {
+        spawn_try_task(task);
       }
-    }
-
-    let apub_post: ApubPost = updated_post.into();
-    CreateOrUpdatePost::send(
-      apub_post.clone(),
-      &local_user_view.person.clone().into(),
-      CreateOrUpdateType::Create,
-      context,
-    )
-    .await?;
-    let object = PostOrComment::Post(Box::new(apub_post));
-    Vote::send(
-      &object,
-      &local_user_view.person.clone().into(),
-      inserted_post.community_id,
-      VoteType::Like,
-      context,
-    )
-    .await?;
+    };
 
-    send_post_ws_message(
-      inserted_post.id,
-      UserOperationCrud::CreatePost,
-      websocket_id,
-      Some(local_user_view.person.id),
-      context,
-    )
-    .await
+    build_post_response(context, community_id, person_id, post_id).await
   }
 }