use crate::PerformCrud;
+use activitypub_federation::http_signatures::generate_actor_keypair;
use actix_web::web::Data;
use lemmy_api_common::{
- blocking,
+ build_response::build_community_response,
community::{CommunityResponse, CreateCommunity},
- get_local_user_view_from_jwt,
+ context::LemmyContext,
+ utils::{
+ generate_followers_url,
+ generate_inbox_url,
+ generate_local_apub_endpoint,
+ generate_shared_inbox_url,
+ is_admin,
+ local_site_to_slur_regex,
+ local_user_view_from_jwt,
+ sanitize_html,
+ sanitize_html_opt,
+ EndpointType,
+ },
};
-use lemmy_apub::{
- generate_apub_endpoint,
- generate_followers_url,
- generate_inbox_url,
- generate_shared_inbox_url,
- EndpointType,
+use lemmy_db_schema::{
+ source::{
+ actor_language::{CommunityLanguage, SiteLanguage},
+ community::{
+ Community,
+ CommunityFollower,
+ CommunityFollowerForm,
+ CommunityInsertForm,
+ CommunityModerator,
+ CommunityModeratorForm,
+ },
+ },
+ traits::{ApubActor, Crud, Followable, Joinable},
+ utils::diesel_option_overwrite_to_url_create,
};
-use lemmy_db_queries::{diesel_option_overwrite_to_url, ApubObject, Crud, Followable, Joinable};
-use lemmy_db_schema::source::community::{
- Community,
- CommunityFollower,
- CommunityFollowerForm,
- CommunityForm,
- CommunityModerator,
- CommunityModeratorForm,
-};
-use lemmy_db_views_actor::community_view::CommunityView;
+use lemmy_db_views::structs::SiteView;
use lemmy_utils::{
- apub::generate_actor_keypair,
- utils::{check_slurs, check_slurs_opt, is_valid_community_name},
- ApiError,
- ConnectionId,
- LemmyError,
+ error::{LemmyError, LemmyErrorExt, LemmyErrorType},
+ utils::{
+ slurs::{check_slurs, check_slurs_opt},
+ validation::{is_valid_actor_name, is_valid_body_field},
+ },
};
-use lemmy_websocket::LemmyContext;
#[async_trait::async_trait(?Send)]
impl PerformCrud for CreateCommunity {
type Response = CommunityResponse;
- async fn perform(
- &self,
- context: &Data<LemmyContext>,
- _websocket_id: Option<ConnectionId>,
- ) -> Result<CommunityResponse, LemmyError> {
- let data: &CreateCommunity = &self;
- let local_user_view = get_local_user_view_from_jwt(&data.auth, context.pool()).await?;
-
- check_slurs(&data.name)?;
- check_slurs(&data.title)?;
- check_slurs_opt(&data.description)?;
+ #[tracing::instrument(skip(context))]
+ async fn perform(&self, context: &Data<LemmyContext>) -> Result<CommunityResponse, LemmyError> {
+ let data: &CreateCommunity = self;
+ let local_user_view = local_user_view_from_jwt(&data.auth, context).await?;
+ let site_view = SiteView::read_local(&mut context.pool()).await?;
+ let local_site = site_view.local_site;
- if !is_valid_community_name(&data.name) {
- return Err(ApiError::err("invalid_community_name").into());
+ if local_site.community_creation_admin_only && is_admin(&local_user_view).is_err() {
+ return Err(LemmyErrorType::OnlyAdminsCanCreateCommunities)?;
}
+ // Check to make sure the icon and banners are urls
+ let icon = diesel_option_overwrite_to_url_create(&data.icon)?;
+ let banner = diesel_option_overwrite_to_url_create(&data.banner)?;
+
+ let name = sanitize_html(&data.name);
+ let title = sanitize_html(&data.title);
+ let description = sanitize_html_opt(&data.description);
+
+ let slur_regex = local_site_to_slur_regex(&local_site);
+ check_slurs(&name, &slur_regex)?;
+ check_slurs(&title, &slur_regex)?;
+ check_slurs_opt(&description, &slur_regex)?;
+
+ is_valid_actor_name(&data.name, local_site.actor_name_max_length as usize)?;
+ is_valid_body_field(&data.description, false)?;
+
// Double check for duplicate community actor_ids
- let community_actor_id = generate_apub_endpoint(EndpointType::Community, &data.name)?;
- let actor_id_cloned = community_actor_id.to_owned();
- let community_dupe = blocking(context.pool(), move |conn| {
- Community::read_from_apub_id(conn, &actor_id_cloned)
- })
- .await?;
- if community_dupe.is_ok() {
- return Err(ApiError::err("community_already_exists").into());
+ let community_actor_id = generate_local_apub_endpoint(
+ EndpointType::Community,
+ &data.name,
+ &context.settings().get_protocol_and_hostname(),
+ )?;
+ let community_dupe =
+ Community::read_from_apub_id(&mut context.pool(), &community_actor_id).await?;
+ if community_dupe.is_some() {
+ return Err(LemmyErrorType::CommunityAlreadyExists)?;
}
- // Check to make sure the icon and banners are urls
- let icon = diesel_option_overwrite_to_url(&data.icon)?;
- let banner = diesel_option_overwrite_to_url(&data.banner)?;
-
// When you create a community, make sure the user becomes a moderator and a follower
let keypair = generate_actor_keypair()?;
- let community_form = CommunityForm {
- name: data.name.to_owned(),
- title: data.title.to_owned(),
- description: data.description.to_owned(),
- icon,
- banner,
- nsfw: data.nsfw,
- actor_id: Some(community_actor_id.to_owned()),
- private_key: Some(keypair.private_key),
- public_key: Some(keypair.public_key),
- followers_url: Some(generate_followers_url(&community_actor_id)?),
- inbox_url: Some(generate_inbox_url(&community_actor_id)?),
- shared_inbox_url: Some(Some(generate_shared_inbox_url(&community_actor_id)?)),
- ..CommunityForm::default()
- };
+ let community_form = CommunityInsertForm::builder()
+ .name(name)
+ .title(title)
+ .description(description)
+ .icon(icon)
+ .banner(banner)
+ .nsfw(data.nsfw)
+ .actor_id(Some(community_actor_id.clone()))
+ .private_key(Some(keypair.private_key))
+ .public_key(keypair.public_key)
+ .followers_url(Some(generate_followers_url(&community_actor_id)?))
+ .inbox_url(Some(generate_inbox_url(&community_actor_id)?))
+ .shared_inbox_url(Some(generate_shared_inbox_url(&community_actor_id)?))
+ .posting_restricted_to_mods(data.posting_restricted_to_mods)
+ .instance_id(site_view.site.instance_id)
+ .build();
- let inserted_community = blocking(context.pool(), move |conn| {
- Community::create(conn, &community_form)
- })
- .await?
- .map_err(|_| ApiError::err("community_already_exists"))?;
+ let inserted_community = Community::create(&mut context.pool(), &community_form)
+ .await
+ .with_lemmy_type(LemmyErrorType::CommunityAlreadyExists)?;
// The community creator becomes a moderator
let community_moderator_form = CommunityModeratorForm {
person_id: local_user_view.person.id,
};
- let join = move |conn: &'_ _| CommunityModerator::join(conn, &community_moderator_form);
- if blocking(context.pool(), join).await?.is_err() {
- return Err(ApiError::err("community_moderator_already_exists").into());
- }
+ CommunityModerator::join(&mut context.pool(), &community_moderator_form)
+ .await
+ .with_lemmy_type(LemmyErrorType::CommunityModeratorAlreadyExists)?;
// Follow your own community
let community_follower_form = CommunityFollowerForm {
pending: false,
};
- let follow = move |conn: &'_ _| CommunityFollower::follow(conn, &community_follower_form);
- if blocking(context.pool(), follow).await?.is_err() {
- return Err(ApiError::err("community_follower_already_exists").into());
- }
+ CommunityFollower::follow(&mut context.pool(), &community_follower_form)
+ .await
+ .with_lemmy_type(LemmyErrorType::CommunityFollowerAlreadyExists)?;
- let person_id = local_user_view.person.id;
- let community_view = blocking(context.pool(), move |conn| {
- CommunityView::read(conn, inserted_community.id, Some(person_id))
- })
- .await??;
+ // Update the discussion_languages if that's provided
+ let community_id = inserted_community.id;
+ if let Some(languages) = data.discussion_languages.clone() {
+ let site_languages = SiteLanguage::read_local_raw(&mut context.pool()).await?;
+ // check that community languages are a subset of site languages
+ // https://stackoverflow.com/a/64227550
+ let is_subset = languages.iter().all(|item| site_languages.contains(item));
+ if !is_subset {
+ return Err(LemmyErrorType::LanguageNotAllowed)?;
+ }
+ CommunityLanguage::update(&mut context.pool(), languages, community_id).await?;
+ }
- Ok(CommunityResponse { community_view })
+ build_community_response(context, local_user_view, community_id).await
}
}