lemmy/lemmy_api/src/site.rs

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use crate::{
get_user_from_jwt,
get_user_from_jwt_opt,
is_admin,
linked_instances,
version,
Perform,
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};
use actix_web::web::Data;
use anyhow::Context;
use lemmy_apub::fetcher::search_by_apub_id;
use lemmy_db::{
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aggregates::site_aggregates::SiteAggregates,
diesel_option_overwrite,
naive_now,
source::{category::*, moderator::*, site::*},
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views::{
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comment_view::CommentQueryBuilder,
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community::community_view::CommunityQueryBuilder,
moderator::{
mod_add_community_view::ModAddCommunityView,
mod_add_view::ModAddView,
mod_ban_from_community_view::ModBanFromCommunityView,
mod_ban_view::ModBanView,
mod_lock_post_view::ModLockPostView,
mod_remove_comment_view::ModRemoveCommentView,
mod_remove_community_view::ModRemoveCommunityView,
mod_remove_post_view::ModRemovePostView,
mod_sticky_post_view::ModStickyPostView,
},
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post_view::PostQueryBuilder,
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site_view::SiteView,
user_view::{UserQueryBuilder, UserViewSafe},
},
Crud,
SearchType,
SortType,
};
use lemmy_structs::{blocking, site::*, user::Register};
use lemmy_utils::{
location_info,
settings::Settings,
utils::{check_slurs, check_slurs_opt},
APIError,
ConnectionId,
LemmyError,
};
use lemmy_websocket::{
messages::{GetUsersOnline, SendAllMessage},
LemmyContext,
UserOperation,
};
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use log::{debug, info};
use std::str::FromStr;
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#[async_trait::async_trait(?Send)]
impl Perform for ListCategories {
type Response = ListCategoriesResponse;
async fn perform(
&self,
context: &Data<LemmyContext>,
_websocket_id: Option<ConnectionId>,
) -> Result<ListCategoriesResponse, LemmyError> {
let _data: &ListCategories = &self;
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let categories = blocking(context.pool(), move |conn| Category::list_all(conn)).await??;
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// Return the jwt
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Ok(ListCategoriesResponse { categories })
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}
}
#[async_trait::async_trait(?Send)]
impl Perform for GetModlog {
type Response = GetModlogResponse;
async fn perform(
&self,
context: &Data<LemmyContext>,
_websocket_id: Option<ConnectionId>,
) -> Result<GetModlogResponse, LemmyError> {
let data: &GetModlog = &self;
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let community_id = data.community_id;
let mod_user_id = data.mod_user_id;
let page = data.page;
let limit = data.limit;
let removed_posts = blocking(context.pool(), move |conn| {
ModRemovePostView::list(conn, community_id, mod_user_id, page, limit)
})
.await??;
let locked_posts = blocking(context.pool(), move |conn| {
ModLockPostView::list(conn, community_id, mod_user_id, page, limit)
})
.await??;
let stickied_posts = blocking(context.pool(), move |conn| {
ModStickyPostView::list(conn, community_id, mod_user_id, page, limit)
})
.await??;
let removed_comments = blocking(context.pool(), move |conn| {
ModRemoveCommentView::list(conn, community_id, mod_user_id, page, limit)
})
.await??;
let banned_from_community = blocking(context.pool(), move |conn| {
ModBanFromCommunityView::list(conn, community_id, mod_user_id, page, limit)
})
.await??;
let added_to_community = blocking(context.pool(), move |conn| {
ModAddCommunityView::list(conn, community_id, mod_user_id, page, limit)
})
.await??;
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// These arrays are only for the full modlog, when a community isn't given
let (removed_communities, banned, added) = if data.community_id.is_none() {
blocking(context.pool(), move |conn| {
Ok((
ModRemoveCommunityView::list(conn, mod_user_id, page, limit)?,
ModBanView::list(conn, mod_user_id, page, limit)?,
ModAddView::list(conn, mod_user_id, page, limit)?,
)) as Result<_, LemmyError>
})
.await??
} else {
(Vec::new(), Vec::new(), Vec::new())
};
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// Return the jwt
Ok(GetModlogResponse {
removed_posts,
locked_posts,
stickied_posts,
removed_comments,
removed_communities,
banned_from_community,
banned,
added_to_community,
added,
})
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}
}
#[async_trait::async_trait(?Send)]
impl Perform for CreateSite {
type Response = SiteResponse;
async fn perform(
&self,
context: &Data<LemmyContext>,
_websocket_id: Option<ConnectionId>,
) -> Result<SiteResponse, LemmyError> {
let data: &CreateSite = &self;
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let read_site = move |conn: &'_ _| Site::read(conn, 1);
if blocking(context.pool(), read_site).await?.is_ok() {
return Err(APIError::err("site_already_exists").into());
};
let user = get_user_from_jwt(&data.auth, context.pool()).await?;
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check_slurs(&data.name)?;
check_slurs_opt(&data.description)?;
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// Make sure user is an admin
is_admin(context.pool(), user.id).await?;
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let site_form = SiteForm {
name: data.name.to_owned(),
description: data.description.to_owned(),
icon: Some(data.icon.to_owned()),
banner: Some(data.banner.to_owned()),
creator_id: user.id,
enable_downvotes: data.enable_downvotes,
open_registration: data.open_registration,
enable_nsfw: data.enable_nsfw,
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updated: None,
};
let create_site = move |conn: &'_ _| Site::create(conn, &site_form);
if blocking(context.pool(), create_site).await?.is_err() {
return Err(APIError::err("site_already_exists").into());
}
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let site_view = blocking(context.pool(), move |conn| SiteView::read(conn)).await??;
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Ok(SiteResponse { site: site_view })
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}
}
#[async_trait::async_trait(?Send)]
impl Perform for EditSite {
type Response = SiteResponse;
async fn perform(
&self,
context: &Data<LemmyContext>,
websocket_id: Option<ConnectionId>,
) -> Result<SiteResponse, LemmyError> {
let data: &EditSite = &self;
let user = get_user_from_jwt(&data.auth, context.pool()).await?;
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check_slurs(&data.name)?;
check_slurs_opt(&data.description)?;
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// Make sure user is an admin
is_admin(context.pool(), user.id).await?;
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let found_site = blocking(context.pool(), move |conn| Site::read(conn, 1)).await??;
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let icon = diesel_option_overwrite(&data.icon);
let banner = diesel_option_overwrite(&data.banner);
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let site_form = SiteForm {
name: data.name.to_owned(),
description: data.description.to_owned(),
icon,
banner,
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creator_id: found_site.creator_id,
updated: Some(naive_now()),
enable_downvotes: data.enable_downvotes,
open_registration: data.open_registration,
enable_nsfw: data.enable_nsfw,
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};
let update_site = move |conn: &'_ _| Site::update(conn, 1, &site_form);
if blocking(context.pool(), update_site).await?.is_err() {
return Err(APIError::err("couldnt_update_site").into());
}
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let site_view = blocking(context.pool(), move |conn| SiteView::read(conn)).await??;
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let res = SiteResponse { site: site_view };
context.chat_server().do_send(SendAllMessage {
op: UserOperation::EditSite,
response: res.clone(),
websocket_id,
});
Ok(res)
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}
}
#[async_trait::async_trait(?Send)]
impl Perform for GetSite {
type Response = GetSiteResponse;
async fn perform(
&self,
context: &Data<LemmyContext>,
websocket_id: Option<ConnectionId>,
) -> Result<GetSiteResponse, LemmyError> {
let data: &GetSite = &self;
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// TODO refactor this a little
let res = blocking(context.pool(), move |conn| Site::read(conn, 1)).await?;
let site_view = if res.is_ok() {
Some(blocking(context.pool(), move |conn| SiteView::read(conn)).await??)
} else if let Some(setup) = Settings::get().setup.as_ref() {
let register = Register {
username: setup.admin_username.to_owned(),
email: setup.admin_email.to_owned(),
password: setup.admin_password.to_owned(),
password_verify: setup.admin_password.to_owned(),
admin: true,
show_nsfw: true,
captcha_uuid: None,
captcha_answer: None,
};
let login_response = register.perform(context, websocket_id).await?;
info!("Admin {} created", setup.admin_username);
let create_site = CreateSite {
name: setup.site_name.to_owned(),
description: None,
icon: None,
banner: None,
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enable_downvotes: true,
open_registration: true,
enable_nsfw: true,
auth: login_response.jwt,
};
create_site.perform(context, websocket_id).await?;
info!("Site {} created", setup.site_name);
Some(blocking(context.pool(), move |conn| SiteView::read(conn)).await??)
} else {
None
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};
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let mut admins = blocking(context.pool(), move |conn| UserViewSafe::admins(conn)).await??;
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// Make sure the site creator is the top admin
if let Some(site_view) = site_view.to_owned() {
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let site_creator_id = site_view.creator.id;
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// TODO investigate why this is sometimes coming back null
// Maybe user_.admin isn't being set to true?
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if let Some(creator_index) = admins.iter().position(|r| r.user.id == site_creator_id) {
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let creator_user = admins.remove(creator_index);
admins.insert(0, creator_user);
}
}
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let banned = blocking(context.pool(), move |conn| UserViewSafe::banned(conn)).await??;
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let online = context
.chat_server()
.send(GetUsersOnline)
.await
.unwrap_or(1);
let my_user = get_user_from_jwt_opt(&data.auth, context.pool())
.await?
.map(|mut u| {
u.password_encrypted = "".to_string();
u.private_key = None;
u.public_key = None;
u
});
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let counts = blocking(context.pool(), move |conn| SiteAggregates::read(conn)).await??;
Ok(GetSiteResponse {
site: site_view,
admins,
banned,
online,
version: version::VERSION.to_string(),
my_user,
federated_instances: linked_instances(context.pool()).await?,
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counts,
})
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}
}
#[async_trait::async_trait(?Send)]
impl Perform for Search {
type Response = SearchResponse;
async fn perform(
&self,
context: &Data<LemmyContext>,
_websocket_id: Option<ConnectionId>,
) -> Result<SearchResponse, LemmyError> {
let data: &Search = &self;
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match search_by_apub_id(&data.q, context).await {
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Ok(r) => return Ok(r),
Err(e) => debug!("Failed to resolve search query as activitypub ID: {}", e),
}
let user = get_user_from_jwt_opt(&data.auth, context.pool()).await?;
let user_id = user.map(|u| u.id);
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let type_ = SearchType::from_str(&data.type_)?;
let mut posts = Vec::new();
let mut comments = Vec::new();
let mut communities = Vec::new();
let mut users = Vec::new();
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// TODO no clean / non-nsfw searching rn
let q = data.q.to_owned();
let page = data.page;
let limit = data.limit;
let sort = SortType::from_str(&data.sort)?;
let community_id = data.community_id;
let community_name = data.community_name.to_owned();
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match type_ {
SearchType::Posts => {
posts = blocking(context.pool(), move |conn| {
PostQueryBuilder::create(conn)
.sort(&sort)
.show_nsfw(true)
.community_id(community_id)
.community_name(community_name)
.my_user_id(user_id)
.search_term(q)
.page(page)
.limit(limit)
.list()
})
.await??;
}
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SearchType::Comments => {
comments = blocking(context.pool(), move |conn| {
CommentQueryBuilder::create(&conn)
.sort(&sort)
.search_term(q)
.my_user_id(user_id)
.page(page)
.limit(limit)
.list()
})
.await??;
}
SearchType::Communities => {
communities = blocking(context.pool(), move |conn| {
CommunityQueryBuilder::create(conn)
.sort(&sort)
.search_term(q)
.page(page)
.limit(limit)
.list()
})
.await??;
}
SearchType::Users => {
users = blocking(context.pool(), move |conn| {
UserQueryBuilder::create(conn)
.sort(&sort)
.search_term(q)
.page(page)
.limit(limit)
.list()
})
.await??;
}
SearchType::All => {
posts = blocking(context.pool(), move |conn| {
PostQueryBuilder::create(conn)
.sort(&sort)
.show_nsfw(true)
.community_id(community_id)
.community_name(community_name)
.my_user_id(user_id)
.search_term(q)
.page(page)
.limit(limit)
.list()
})
.await??;
let q = data.q.to_owned();
let sort = SortType::from_str(&data.sort)?;
comments = blocking(context.pool(), move |conn| {
CommentQueryBuilder::create(conn)
.sort(&sort)
.search_term(q)
.my_user_id(user_id)
.page(page)
.limit(limit)
.list()
})
.await??;
let q = data.q.to_owned();
let sort = SortType::from_str(&data.sort)?;
communities = blocking(context.pool(), move |conn| {
CommunityQueryBuilder::create(conn)
.sort(&sort)
.search_term(q)
.page(page)
.limit(limit)
.list()
})
.await??;
let q = data.q.to_owned();
let sort = SortType::from_str(&data.sort)?;
users = blocking(context.pool(), move |conn| {
UserQueryBuilder::create(conn)
.sort(&sort)
.search_term(q)
.page(page)
.limit(limit)
.list()
})
.await??;
}
SearchType::Url => {
posts = blocking(context.pool(), move |conn| {
PostQueryBuilder::create(conn)
.sort(&sort)
.show_nsfw(true)
.community_id(community_id)
.community_name(community_name)
.url_search(q)
.page(page)
.limit(limit)
.list()
})
.await??;
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}
};
// Return the jwt
Ok(SearchResponse {
type_: data.type_.to_owned(),
comments,
posts,
communities,
users,
})
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}
}
#[async_trait::async_trait(?Send)]
impl Perform for TransferSite {
type Response = GetSiteResponse;
async fn perform(
&self,
context: &Data<LemmyContext>,
_websocket_id: Option<ConnectionId>,
) -> Result<GetSiteResponse, LemmyError> {
let data: &TransferSite = &self;
let mut user = get_user_from_jwt(&data.auth, context.pool()).await?;
is_admin(context.pool(), user.id).await?;
// TODO add a User_::read_safe() for this.
user.password_encrypted = "".to_string();
user.private_key = None;
user.public_key = None;
let read_site = blocking(context.pool(), move |conn| Site::read(conn, 1)).await??;
// Make sure user is the creator
if read_site.creator_id != user.id {
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return Err(APIError::err("not_an_admin").into());
}
let new_creator_id = data.user_id;
let transfer_site = move |conn: &'_ _| Site::transfer(conn, new_creator_id);
if blocking(context.pool(), transfer_site).await?.is_err() {
return Err(APIError::err("couldnt_update_site").into());
};
// Mod tables
let form = ModAddForm {
mod_user_id: user.id,
other_user_id: data.user_id,
removed: Some(false),
};
blocking(context.pool(), move |conn| ModAdd::create(conn, &form)).await??;
let site_view = blocking(context.pool(), move |conn| SiteView::read(conn)).await??;
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let mut admins = blocking(context.pool(), move |conn| UserViewSafe::admins(conn)).await??;
let creator_index = admins
.iter()
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.position(|r| r.user.id == site_view.creator.id)
.context(location_info!())?;
let creator_user = admins.remove(creator_index);
admins.insert(0, creator_user);
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let banned = blocking(context.pool(), move |conn| UserViewSafe::banned(conn)).await??;
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let counts = blocking(context.pool(), move |conn| SiteAggregates::read(conn)).await??;
Ok(GetSiteResponse {
site: Some(site_view),
admins,
banned,
online: 0,
version: version::VERSION.to_string(),
my_user: Some(user),
federated_instances: linked_instances(context.pool()).await?,
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counts,
})
}
}
#[async_trait::async_trait(?Send)]
impl Perform for GetSiteConfig {
type Response = GetSiteConfigResponse;
async fn perform(
&self,
context: &Data<LemmyContext>,
_websocket_id: Option<ConnectionId>,
) -> Result<GetSiteConfigResponse, LemmyError> {
let data: &GetSiteConfig = &self;
let user = get_user_from_jwt(&data.auth, context.pool()).await?;
// Only let admins read this
is_admin(context.pool(), user.id).await?;
let config_hjson = Settings::read_config_file()?;
Ok(GetSiteConfigResponse { config_hjson })
}
}
#[async_trait::async_trait(?Send)]
impl Perform for SaveSiteConfig {
type Response = GetSiteConfigResponse;
async fn perform(
&self,
context: &Data<LemmyContext>,
_websocket_id: Option<ConnectionId>,
) -> Result<GetSiteConfigResponse, LemmyError> {
let data: &SaveSiteConfig = &self;
let user = get_user_from_jwt(&data.auth, context.pool()).await?;
// Only let admins read this
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let admins = blocking(context.pool(), move |conn| UserViewSafe::admins(conn)).await??;
let admin_ids: Vec<i32> = admins.into_iter().map(|m| m.user.id).collect();
if !admin_ids.contains(&user.id) {
return Err(APIError::err("not_an_admin").into());
}
// Make sure docker doesn't have :ro at the end of the volume, so its not a read-only filesystem
let config_hjson = match Settings::save_config_file(&data.config_hjson) {
Ok(config_hjson) => config_hjson,
Err(_e) => return Err(APIError::err("couldnt_update_site").into()),
};
Ok(GetSiteConfigResponse { config_hjson })
}
}