lemmy/server/src/websocket/server.rs

2892 lines
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//! `ChatServer` is an actor. It maintains list of connection client session.
//! And manages available rooms. Peers send messages to other peers in same
//! room through `ChatServer`.
use actix::prelude::*;
use rand::{rngs::ThreadRng, Rng};
use std::collections::{HashMap, HashSet};
use serde::{Deserialize, Serialize};
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use serde_json::{Value};
use bcrypt::{verify};
use std::str::FromStr;
use diesel::PgConnection;
use failure::Error;
use std::time::{SystemTime};
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use {Crud, Joinable, Likeable, Followable, Bannable, Saveable, establish_connection, naive_now, naive_from_unix, SortType, SearchType, has_slurs, remove_slurs, Settings};
use db::community::*;
use db::user::*;
use db::post::*;
use db::comment::*;
use db::post_view::*;
use db::comment_view::*;
use db::category::*;
use db::community_view::*;
use db::user_view::*;
use db::moderator_views::*;
use db::moderator::*;
const RATE_LIMIT_MESSAGES: i32 = 30;
const RATE_LIMIT_PER_SECOND: i32 = 60;
const RATE_LIMIT_REGISTER_MESSAGES: i32 = 1;
const RATE_LIMIT_REGISTER_PER_SECOND: i32 = 60;
#[derive(EnumString,ToString,Debug)]
pub enum UserOperation {
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Login, Register, CreateCommunity, CreatePost, ListCommunities, ListCategories, GetPost, GetCommunity, CreateComment, EditComment, SaveComment, CreateCommentLike, GetPosts, CreatePostLike, EditPost, SavePost, EditCommunity, FollowCommunity, GetFollowedCommunities, GetUserDetails, GetReplies, GetModlog, BanFromCommunity, AddModToCommunity, CreateSite, EditSite, GetSite, AddAdmin, BanUser, Search, MarkAllAsRead
}
#[derive(Fail, Debug)]
#[fail(display = "{{\"op\":\"{}\", \"error\":\"{}\"}}", op, message)]
pub struct ErrorMessage {
op: String,
message: String
}
/// Chat server sends this messages to session
#[derive(Message)]
pub struct WSMessage(pub String);
/// Message for chat server communications
/// New chat session is created
#[derive(Message)]
#[rtype(usize)]
pub struct Connect {
pub addr: Recipient<WSMessage>,
pub ip: String,
}
/// Session is disconnected
#[derive(Message)]
pub struct Disconnect {
pub id: usize,
pub ip: String,
}
/// Send message to specific room
#[derive(Message)]
pub struct ClientMessage {
/// Id of the client session
pub id: usize,
/// Peer message
pub msg: String,
/// Room name
pub room: String,
}
#[derive(Serialize, Deserialize)]
pub struct StandardMessage {
/// Id of the client session
pub id: usize,
/// Peer message
pub msg: String,
}
impl actix::Message for StandardMessage {
type Result = String;
}
#[derive(Serialize, Deserialize)]
pub struct Login {
pub username_or_email: String,
pub password: String
}
#[derive(Serialize, Deserialize)]
pub struct Register {
username: String,
email: Option<String>,
password: String,
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password_verify: String,
admin: bool,
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spam_timeri: i64,
}
#[derive(Serialize, Deserialize)]
pub struct LoginResponse {
op: String,
jwt: String
}
#[derive(Serialize, Deserialize)]
pub struct CreateCommunity {
name: String,
title: String,
description: Option<String>,
category_id: i32 ,
auth: String
}
#[derive(Serialize, Deserialize)]
pub struct CommunityResponse {
op: String,
community: CommunityView
}
#[derive(Serialize, Deserialize)]
pub struct ListCommunities {
sort: String,
page: Option<i64>,
limit: Option<i64>,
auth: Option<String>
}
#[derive(Serialize, Deserialize)]
pub struct ListCommunitiesResponse {
op: String,
communities: Vec<CommunityView>
}
#[derive(Serialize, Deserialize)]
pub struct ListCategories;
#[derive(Serialize, Deserialize)]
pub struct ListCategoriesResponse {
op: String,
categories: Vec<Category>
}
#[derive(Serialize, Deserialize)]
pub struct CreatePost {
name: String,
url: Option<String>,
body: Option<String>,
community_id: i32,
auth: String
}
#[derive(Serialize, Deserialize)]
pub struct PostResponse {
op: String,
post: PostView
}
#[derive(Serialize, Deserialize)]
pub struct GetPost {
id: i32,
auth: Option<String>
}
#[derive(Serialize, Deserialize)]
pub struct GetPostResponse {
op: String,
post: PostView,
comments: Vec<CommentView>,
community: CommunityView,
moderators: Vec<CommunityModeratorView>,
admins: Vec<UserView>,
}
#[derive(Serialize, Deserialize)]
pub struct GetPosts {
type_: String,
sort: String,
page: Option<i64>,
limit: Option<i64>,
community_id: Option<i32>,
auth: Option<String>
}
#[derive(Serialize, Deserialize)]
pub struct GetPostsResponse {
op: String,
posts: Vec<PostView>,
}
#[derive(Serialize, Deserialize)]
pub struct GetCommunity {
id: Option<i32>,
name: Option<String>,
auth: Option<String>
}
#[derive(Serialize, Deserialize)]
pub struct GetCommunityResponse {
op: String,
community: CommunityView,
moderators: Vec<CommunityModeratorView>,
admins: Vec<UserView>,
}
#[derive(Serialize, Deserialize)]
pub struct CreateComment {
content: String,
parent_id: Option<i32>,
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edit_id: Option<i32>,
post_id: i32,
auth: String
}
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#[derive(Serialize, Deserialize)]
pub struct EditComment {
content: String,
parent_id: Option<i32>,
edit_id: i32,
creator_id: i32,
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post_id: i32,
removed: Option<bool>,
deleted: Option<bool>,
reason: Option<String>,
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read: Option<bool>,
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auth: String
}
#[derive(Serialize, Deserialize)]
pub struct SaveComment {
comment_id: i32,
save: bool,
auth: String
}
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#[derive(Serialize, Deserialize)]
pub struct CommentResponse {
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op: String,
comment: CommentView
}
#[derive(Serialize, Deserialize)]
pub struct CreateCommentLike {
comment_id: i32,
post_id: i32,
score: i16,
auth: String
}
#[derive(Serialize, Deserialize)]
pub struct CreatePostLike {
post_id: i32,
score: i16,
auth: String
}
#[derive(Serialize, Deserialize)]
pub struct CreatePostLikeResponse {
op: String,
post: PostView
}
#[derive(Serialize, Deserialize)]
pub struct EditPost {
edit_id: i32,
creator_id: i32,
community_id: i32,
name: String,
url: Option<String>,
body: Option<String>,
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removed: Option<bool>,
deleted: Option<bool>,
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locked: Option<bool>,
reason: Option<String>,
auth: String
}
#[derive(Serialize, Deserialize)]
pub struct SavePost {
post_id: i32,
save: bool,
auth: String
}
#[derive(Serialize, Deserialize)]
pub struct EditCommunity {
edit_id: i32,
name: String,
title: String,
description: Option<String>,
category_id: i32,
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removed: Option<bool>,
deleted: Option<bool>,
reason: Option<String>,
expires: Option<i64>,
auth: String
}
#[derive(Serialize, Deserialize)]
pub struct FollowCommunity {
community_id: i32,
follow: bool,
auth: String
}
#[derive(Serialize, Deserialize)]
pub struct GetFollowedCommunities {
auth: String
}
#[derive(Serialize, Deserialize)]
pub struct GetFollowedCommunitiesResponse {
op: String,
communities: Vec<CommunityFollowerView>
}
#[derive(Serialize, Deserialize)]
pub struct GetUserDetails {
user_id: Option<i32>,
username: Option<String>,
sort: String,
page: Option<i64>,
limit: Option<i64>,
community_id: Option<i32>,
saved_only: bool,
auth: Option<String>,
}
#[derive(Serialize, Deserialize)]
pub struct GetUserDetailsResponse {
op: String,
user: UserView,
follows: Vec<CommunityFollowerView>,
moderates: Vec<CommunityModeratorView>,
comments: Vec<CommentView>,
posts: Vec<PostView>,
}
#[derive(Serialize, Deserialize)]
pub struct GetModlog {
mod_user_id: Option<i32>,
community_id: Option<i32>,
page: Option<i64>,
limit: Option<i64>,
}
#[derive(Serialize, Deserialize)]
pub struct GetModlogResponse {
op: String,
removed_posts: Vec<ModRemovePostView>,
locked_posts: Vec<ModLockPostView>,
removed_comments: Vec<ModRemoveCommentView>,
removed_communities: Vec<ModRemoveCommunityView>,
banned_from_community: Vec<ModBanFromCommunityView>,
banned: Vec<ModBanView>,
added_to_community: Vec<ModAddCommunityView>,
added: Vec<ModAddView>,
}
#[derive(Serialize, Deserialize)]
pub struct BanFromCommunity {
community_id: i32,
user_id: i32,
ban: bool,
reason: Option<String>,
expires: Option<i64>,
auth: String
}
#[derive(Serialize, Deserialize)]
pub struct BanFromCommunityResponse {
op: String,
user: UserView,
banned: bool,
}
#[derive(Serialize, Deserialize)]
pub struct AddModToCommunity {
community_id: i32,
user_id: i32,
added: bool,
auth: String
}
#[derive(Serialize, Deserialize)]
pub struct AddModToCommunityResponse {
op: String,
moderators: Vec<CommunityModeratorView>,
}
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#[derive(Serialize, Deserialize)]
pub struct CreateSite {
name: String,
description: Option<String>,
auth: String
}
#[derive(Serialize, Deserialize)]
pub struct EditSite {
name: String,
description: Option<String>,
auth: String
}
#[derive(Serialize, Deserialize)]
pub struct GetSite {
}
#[derive(Serialize, Deserialize)]
pub struct SiteResponse {
op: String,
site: SiteView,
}
#[derive(Serialize, Deserialize)]
pub struct GetSiteResponse {
op: String,
site: Option<SiteView>,
admins: Vec<UserView>,
banned: Vec<UserView>,
}
#[derive(Serialize, Deserialize)]
pub struct AddAdmin {
user_id: i32,
added: bool,
auth: String
}
#[derive(Serialize, Deserialize)]
pub struct AddAdminResponse {
op: String,
admins: Vec<UserView>,
}
#[derive(Serialize, Deserialize)]
pub struct BanUser {
user_id: i32,
ban: bool,
reason: Option<String>,
expires: Option<i64>,
auth: String
}
#[derive(Serialize, Deserialize)]
pub struct BanUserResponse {
op: String,
user: UserView,
banned: bool,
}
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#[derive(Serialize, Deserialize)]
pub struct GetReplies {
sort: String,
page: Option<i64>,
limit: Option<i64>,
unread_only: bool,
auth: String
}
#[derive(Serialize, Deserialize)]
pub struct GetRepliesResponse {
op: String,
replies: Vec<ReplyView>,
}
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#[derive(Serialize, Deserialize)]
pub struct Search {
q: String,
type_: String,
community_id: Option<i32>,
sort: String,
page: Option<i64>,
limit: Option<i64>,
}
#[derive(Serialize, Deserialize)]
pub struct SearchResponse {
op: String,
comments: Vec<CommentView>,
posts: Vec<PostView>,
}
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#[derive(Serialize, Deserialize)]
pub struct MarkAllAsRead {
auth: String
}
#[derive(Debug)]
pub struct RateLimitBucket {
last_checked: SystemTime,
allowance: f64
}
pub struct SessionInfo {
pub addr: Recipient<WSMessage>,
pub ip: String,
}
/// `ChatServer` manages chat rooms and responsible for coordinating chat
/// session. implementation is super primitive
pub struct ChatServer {
sessions: HashMap<usize, SessionInfo>, // A map from generated random ID to session addr
rate_limits: HashMap<String, RateLimitBucket>,
rooms: HashMap<i32, HashSet<usize>>, // A map from room / post name to set of connectionIDs
rng: ThreadRng,
}
impl Default for ChatServer {
fn default() -> ChatServer {
// default room
let rooms = HashMap::new();
ChatServer {
sessions: HashMap::new(),
rate_limits: HashMap::new(),
rooms: rooms,
rng: rand::thread_rng(),
}
}
}
impl ChatServer {
/// Send message to all users in the room
fn send_room_message(&self, room: i32, message: &str, skip_id: usize) {
if let Some(sessions) = self.rooms.get(&room) {
for id in sessions {
if *id != skip_id {
if let Some(info) = self.sessions.get(id) {
let _ = info.addr.do_send(WSMessage(message.to_owned()));
}
}
}
}
}
fn send_community_message(&self, conn: &PgConnection, community_id: i32, message: &str, skip_id: usize) -> Result<(), Error> {
let posts = PostView::list(conn,
PostListingType::Community,
&SortType::New,
Some(community_id),
None,
None,
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None,
false,
false,
None,
Some(9999))?;
for post in posts {
self.send_room_message(post.id, message, skip_id);
}
Ok(())
}
fn check_rate_limit_register(&mut self, addr: usize) -> Result<(), Error> {
self.check_rate_limit_full(addr, RATE_LIMIT_REGISTER_MESSAGES, RATE_LIMIT_REGISTER_PER_SECOND)
}
fn check_rate_limit(&mut self, addr: usize) -> Result<(), Error> {
self.check_rate_limit_full(addr, RATE_LIMIT_MESSAGES, RATE_LIMIT_PER_SECOND)
}
fn check_rate_limit_full(&mut self, addr: usize, rate: i32, per: i32) -> Result<(), Error> {
if let Some(info) = self.sessions.get(&addr) {
if let Some(rate_limit) = self.rate_limits.get_mut(&info.ip) {
// The initial value
if rate_limit.allowance == -2f64 {
rate_limit.allowance = rate as f64;
};
let current = SystemTime::now();
let time_passed = current.duration_since(rate_limit.last_checked)?.as_secs() as f64;
rate_limit.last_checked = current;
rate_limit.allowance += time_passed * (rate as f64 / per as f64);
if rate_limit.allowance > rate as f64 {
rate_limit.allowance = rate as f64;
}
if rate_limit.allowance < 1.0 {
println!("Rate limited IP: {}, time_passed: {}, allowance: {}", &info.ip, time_passed, rate_limit.allowance);
Err(ErrorMessage {
op: "Rate Limit".to_string(),
message: format!("Too many requests. {} per {} seconds", rate, per),
})?
} else {
rate_limit.allowance -= 1.0;
Ok(())
}
} else {
Ok(())
}
} else {
Ok(())
}
}
}
/// Make actor from `ChatServer`
impl Actor for ChatServer {
/// We are going to use simple Context, we just need ability to communicate
/// with other actors.
type Context = Context<Self>;
}
/// Handler for Connect message.
///
/// Register new session and assign unique id to this session
impl Handler<Connect> for ChatServer {
type Result = usize;
fn handle(&mut self, msg: Connect, _ctx: &mut Context<Self>) -> Self::Result {
// notify all users in same room
// self.send_room_message(&"Main".to_owned(), "Someone joined", 0);
// register session with random id
let id = self.rng.gen::<usize>();
println!("{} joined", &msg.ip);
self.sessions.insert(id, SessionInfo {
addr: msg.addr,
ip: msg.ip.to_owned(),
});
if self.rate_limits.get(&msg.ip).is_none() {
self.rate_limits.insert(msg.ip, RateLimitBucket {
last_checked: SystemTime::now(),
allowance: -2f64,
});
}
// for (k,v) in &self.rate_limits {
// println!("{}: {:?}", k,v);
// }
// auto join session to Main room
// self.rooms.get_mut(&"Main".to_owned()).unwrap().insert(id);
// send id back
id
}
}
/// Handler for Disconnect message.
impl Handler<Disconnect> for ChatServer {
type Result = ();
fn handle(&mut self, msg: Disconnect, _: &mut Context<Self>) {
// let mut rooms: Vec<i32> = Vec::new();
// remove address
if self.sessions.remove(&msg.id).is_some() {
// remove session from all rooms
for (_id, sessions) in &mut self.rooms {
if sessions.remove(&msg.id) {
// rooms.push(*id);
}
}
}
}
}
/// Handler for Message message.
impl Handler<StandardMessage> for ChatServer {
type Result = MessageResult<StandardMessage>;
fn handle(&mut self, msg: StandardMessage, _: &mut Context<Self>) -> Self::Result {
let msg_out = match parse_json_message(self, msg) {
Ok(m) => m,
Err(e) => e.to_string()
};
MessageResult(msg_out)
}
}
fn parse_json_message(chat: &mut ChatServer, msg: StandardMessage) -> Result<String, Error> {
let json: Value = serde_json::from_str(&msg.msg)?;
let data = &json["data"].to_string();
let op = &json["op"].as_str().unwrap();
let user_operation: UserOperation = UserOperation::from_str(&op)?;
match user_operation {
UserOperation::Login => {
let login: Login = serde_json::from_str(data)?;
login.perform(chat, msg.id)
},
UserOperation::Register => {
let register: Register = serde_json::from_str(data)?;
register.perform(chat, msg.id)
},
UserOperation::CreateCommunity => {
let create_community: CreateCommunity = serde_json::from_str(data)?;
create_community.perform(chat, msg.id)
},
UserOperation::ListCommunities => {
let list_communities: ListCommunities = serde_json::from_str(data)?;
list_communities.perform(chat, msg.id)
},
UserOperation::ListCategories => {
let list_categories: ListCategories = ListCategories;
list_categories.perform(chat, msg.id)
},
UserOperation::CreatePost => {
let create_post: CreatePost = serde_json::from_str(data)?;
create_post.perform(chat, msg.id)
},
UserOperation::GetPost => {
let get_post: GetPost = serde_json::from_str(data)?;
get_post.perform(chat, msg.id)
},
UserOperation::GetCommunity => {
let get_community: GetCommunity = serde_json::from_str(data)?;
get_community.perform(chat, msg.id)
},
UserOperation::CreateComment => {
let create_comment: CreateComment = serde_json::from_str(data)?;
create_comment.perform(chat, msg.id)
},
UserOperation::EditComment => {
let edit_comment: EditComment = serde_json::from_str(data)?;
edit_comment.perform(chat, msg.id)
},
UserOperation::SaveComment => {
let save_post: SaveComment = serde_json::from_str(data)?;
save_post.perform(chat, msg.id)
},
UserOperation::CreateCommentLike => {
let create_comment_like: CreateCommentLike = serde_json::from_str(data)?;
create_comment_like.perform(chat, msg.id)
},
UserOperation::GetPosts => {
let get_posts: GetPosts = serde_json::from_str(data)?;
get_posts.perform(chat, msg.id)
},
UserOperation::CreatePostLike => {
let create_post_like: CreatePostLike = serde_json::from_str(data)?;
create_post_like.perform(chat, msg.id)
},
UserOperation::EditPost => {
let edit_post: EditPost = serde_json::from_str(data)?;
edit_post.perform(chat, msg.id)
},
UserOperation::SavePost => {
let save_post: SavePost = serde_json::from_str(data)?;
save_post.perform(chat, msg.id)
},
UserOperation::EditCommunity => {
let edit_community: EditCommunity = serde_json::from_str(data)?;
edit_community.perform(chat, msg.id)
},
UserOperation::FollowCommunity => {
let follow_community: FollowCommunity = serde_json::from_str(data)?;
follow_community.perform(chat, msg.id)
},
UserOperation::GetFollowedCommunities => {
let followed_communities: GetFollowedCommunities = serde_json::from_str(data)?;
followed_communities.perform(chat, msg.id)
},
UserOperation::GetUserDetails => {
let get_user_details: GetUserDetails = serde_json::from_str(data)?;
get_user_details.perform(chat, msg.id)
},
UserOperation::GetModlog => {
let get_modlog: GetModlog = serde_json::from_str(data)?;
get_modlog.perform(chat, msg.id)
},
UserOperation::BanFromCommunity => {
let ban_from_community: BanFromCommunity = serde_json::from_str(data)?;
ban_from_community.perform(chat, msg.id)
},
UserOperation::AddModToCommunity => {
let mod_add_to_community: AddModToCommunity = serde_json::from_str(data)?;
mod_add_to_community.perform(chat, msg.id)
},
UserOperation::CreateSite => {
let create_site: CreateSite = serde_json::from_str(data)?;
create_site.perform(chat, msg.id)
},
UserOperation::EditSite => {
let edit_site: EditSite = serde_json::from_str(data)?;
edit_site.perform(chat, msg.id)
},
UserOperation::GetSite => {
let get_site: GetSite = serde_json::from_str(data)?;
get_site.perform(chat, msg.id)
},
UserOperation::AddAdmin => {
let add_admin: AddAdmin = serde_json::from_str(data)?;
add_admin.perform(chat, msg.id)
},
UserOperation::BanUser => {
let ban_user: BanUser = serde_json::from_str(data)?;
ban_user.perform(chat, msg.id)
},
UserOperation::GetReplies => {
let get_replies: GetReplies = serde_json::from_str(data)?;
get_replies.perform(chat, msg.id)
},
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UserOperation::Search => {
let search: Search = serde_json::from_str(data)?;
search.perform(chat, msg.id)
},
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UserOperation::MarkAllAsRead => {
let mark_all_as_read: MarkAllAsRead = serde_json::from_str(data)?;
mark_all_as_read.perform(chat, msg.id)
},
}
}
pub trait Perform {
fn perform(&self, _chat: &mut ChatServer, _addr: usize) -> Result<String, Error>;
fn op_type(&self) -> UserOperation;
fn error(&self, error_msg: &str) -> ErrorMessage {
ErrorMessage {
op: self.op_type().to_string(),
message: error_msg.to_string()
}
}
}
impl Perform for Login {
fn op_type(&self) -> UserOperation {
UserOperation::Login
}
fn perform(&self, _chat: &mut ChatServer, _addr: usize) -> Result<String, Error> {
let conn = establish_connection();
// Fetch that username / email
let user: User_ = match User_::find_by_email_or_username(&conn, &self.username_or_email) {
Ok(user) => user,
Err(_e) => return Err(self.error("Couldn't find that username or email"))?
};
// Verify the password
let valid: bool = verify(&self.password, &user.password_encrypted).unwrap_or(false);
if !valid {
return Err(self.error("Password incorrect"))?
}
// Return the jwt
Ok(
serde_json::to_string(
&LoginResponse {
op: self.op_type().to_string(),
jwt: user.jwt()
}
)?
)
}
}
impl Perform for Register {
fn op_type(&self) -> UserOperation {
UserOperation::Register
}
fn perform(&self, chat: &mut ChatServer, addr: usize) -> Result<String, Error> {
let conn = establish_connection();
chat.check_rate_limit_register(addr)?;
// Make sure passwords match
if &self.password != &self.password_verify {
return Err(self.error("Passwords do not match."))?
}
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if self.spam_timeri < 1142 {
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return Err(self.error("Too fast"))?
}
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if has_slurs(&self.username) {
return Err(self.error("No slurs"))?
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}
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// Make sure there are no admins
if self.admin && UserView::admins(&conn)?.len() > 0 {
return Err(self.error("Sorry, there's already an admin."))?
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}
// Register the new user
let user_form = UserForm {
name: self.username.to_owned(),
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fedi_name: Settings::get().hostname.into(),
email: self.email.to_owned(),
password_encrypted: self.password.to_owned(),
preferred_username: None,
updated: None,
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admin: self.admin,
banned: false,
};
// Create the user
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let inserted_user = match User_::register(&conn, &user_form) {
Ok(user) => user,
Err(_e) => {
return Err(self.error("User already exists."))?
}
};
// Sign them up for main community no matter what
let community_follower_form = CommunityFollowerForm {
community_id: 1,
user_id: inserted_user.id,
};
let _inserted_community_follower = match CommunityFollower::follow(&conn, &community_follower_form) {
Ok(user) => user,
Err(_e) => {
return Err(self.error("Community follower already exists."))?
}
};
// If its an admin, add them as a mod and follower to main
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if self.admin {
let community_moderator_form = CommunityModeratorForm {
community_id: 1,
user_id: inserted_user.id,
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};
let _inserted_community_moderator = match CommunityModerator::join(&conn, &community_moderator_form) {
Ok(user) => user,
Err(_e) => {
return Err(self.error("Community moderator already exists."))?
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}
};
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}
// Return the jwt
Ok(
serde_json::to_string(
&LoginResponse {
op: self.op_type().to_string(),
jwt: inserted_user.jwt()
}
)?
)
}
}
impl Perform for CreateCommunity {
fn op_type(&self) -> UserOperation {
UserOperation::CreateCommunity
}
fn perform(&self, chat: &mut ChatServer, addr: usize) -> Result<String, Error> {
let conn = establish_connection();
chat.check_rate_limit_register(addr)?;
let claims = match Claims::decode(&self.auth) {
Ok(claims) => claims.claims,
Err(_e) => {
return Err(self.error("Not logged in."))?
}
};
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if has_slurs(&self.name) ||
has_slurs(&self.title) ||
(self.description.is_some() && has_slurs(&self.description.to_owned().unwrap())) {
return Err(self.error("No slurs"))?
}
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let user_id = claims.id;
// Check for a site ban
if UserView::read(&conn, user_id)?.banned {
return Err(self.error("You have been banned from the site"))?
}
// When you create a community, make sure the user becomes a moderator and a follower
let community_form = CommunityForm {
name: self.name.to_owned(),
title: self.title.to_owned(),
description: self.description.to_owned(),
category_id: self.category_id,
creator_id: user_id,
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removed: None,
deleted: None,
updated: None,
};
let inserted_community = match Community::create(&conn, &community_form) {
Ok(community) => community,
Err(_e) => {
return Err(self.error("Community already exists."))?
}
};
let community_moderator_form = CommunityModeratorForm {
community_id: inserted_community.id,
user_id: user_id
};
let _inserted_community_moderator = match CommunityModerator::join(&conn, &community_moderator_form) {
Ok(user) => user,
Err(_e) => {
return Err(self.error("Community moderator already exists."))?
}
};
let community_follower_form = CommunityFollowerForm {
community_id: inserted_community.id,
user_id: user_id
};
let _inserted_community_follower = match CommunityFollower::follow(&conn, &community_follower_form) {
Ok(user) => user,
Err(_e) => {
return Err(self.error("Community follower already exists."))?
}
};
let community_view = CommunityView::read(&conn, inserted_community.id, Some(user_id))?;
Ok(
serde_json::to_string(
&CommunityResponse {
op: self.op_type().to_string(),
community: community_view
}
)?
)
}
}
impl Perform for ListCommunities {
fn op_type(&self) -> UserOperation {
UserOperation::ListCommunities
}
fn perform(&self, _chat: &mut ChatServer, _addr: usize) -> Result<String, Error> {
let conn = establish_connection();
let user_id: Option<i32> = match &self.auth {
Some(auth) => {
match Claims::decode(&auth) {
Ok(claims) => {
let user_id = claims.claims.id;
Some(user_id)
}
Err(_e) => None
}
}
None => None
};
let sort = SortType::from_str(&self.sort)?;
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let communities: Vec<CommunityView> = CommunityView::list(&conn, user_id, sort, self.page, self.limit)?;
// Return the jwt
Ok(
serde_json::to_string(
&ListCommunitiesResponse {
op: self.op_type().to_string(),
communities: communities
}
)?
)
}
}
impl Perform for ListCategories {
fn op_type(&self) -> UserOperation {
UserOperation::ListCategories
}
fn perform(&self, _chat: &mut ChatServer, _addr: usize) -> Result<String, Error> {
let conn = establish_connection();
let categories: Vec<Category> = Category::list_all(&conn)?;
// Return the jwt
Ok(
serde_json::to_string(
&ListCategoriesResponse {
op: self.op_type().to_string(),
categories: categories
}
)?
)
}
}
impl Perform for CreatePost {
fn op_type(&self) -> UserOperation {
UserOperation::CreatePost
}
fn perform(&self, chat: &mut ChatServer, addr: usize) -> Result<String, Error> {
let conn = establish_connection();
chat.check_rate_limit_register(addr)?;
let claims = match Claims::decode(&self.auth) {
Ok(claims) => claims.claims,
Err(_e) => {
return Err(self.error("Not logged in."))?
}
};
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if has_slurs(&self.name) ||
(self.body.is_some() && has_slurs(&self.body.to_owned().unwrap())) {
return Err(self.error("No slurs"))?
}
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let user_id = claims.id;
// Check for a community ban
if CommunityUserBanView::get(&conn, user_id, self.community_id).is_ok() {
return Err(self.error("You have been banned from this community"))?
}
// Check for a site ban
if UserView::read(&conn, user_id)?.banned {
return Err(self.error("You have been banned from the site"))?
}
let post_form = PostForm {
name: self.name.to_owned(),
url: self.url.to_owned(),
body: self.body.to_owned(),
community_id: self.community_id,
creator_id: user_id,
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removed: None,
deleted: None,
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locked: None,
updated: None
};
let inserted_post = match Post::create(&conn, &post_form) {
Ok(post) => post,
Err(_e) => {
return Err(self.error("Couldn't create Post"))?
}
};
// They like their own post by default
let like_form = PostLikeForm {
post_id: inserted_post.id,
user_id: user_id,
score: 1
};
// Only add the like if the score isnt 0
let _inserted_like = match PostLike::like(&conn, &like_form) {
Ok(like) => like,
Err(_e) => {
return Err(self.error("Couldn't like post."))?
}
};
// Refetch the view
let post_view = match PostView::read(&conn, inserted_post.id, Some(user_id)) {
Ok(post) => post,
Err(_e) => {
return Err(self.error("Couldn't find Post"))?
}
};
Ok(
serde_json::to_string(
&PostResponse {
op: self.op_type().to_string(),
post: post_view
}
)?
)
}
}
impl Perform for GetPost {
fn op_type(&self) -> UserOperation {
UserOperation::GetPost
}
fn perform(&self, chat: &mut ChatServer, addr: usize) -> Result<String, Error> {
let conn = establish_connection();
let user_id: Option<i32> = match &self.auth {
Some(auth) => {
match Claims::decode(&auth) {
Ok(claims) => {
let user_id = claims.claims.id;
Some(user_id)
}
Err(_e) => None
}
}
None => None
};
let post_view = match PostView::read(&conn, self.id, user_id) {
Ok(post) => post,
Err(_e) => {
return Err(self.error("Couldn't find Post"))?
}
};
// remove session from all rooms
for (_n, sessions) in &mut chat.rooms {
sessions.remove(&addr);
}
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// If the room doesn't exist yet
if chat.rooms.get_mut(&self.id).is_none() {
chat.rooms.insert(self.id, HashSet::new());
}
chat.rooms.get_mut(&self.id).unwrap().insert(addr);
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let comments = CommentView::list(&conn, &SortType::New, Some(self.id), None, None, user_id, false, None, Some(9999))?;
let community = CommunityView::read(&conn, post_view.community_id, user_id)?;
let moderators = CommunityModeratorView::for_community(&conn, post_view.community_id)?;
let admins = UserView::admins(&conn)?;
// Return the jwt
Ok(
serde_json::to_string(
&GetPostResponse {
op: self.op_type().to_string(),
post: post_view,
comments: comments,
community: community,
moderators: moderators,
admins: admins,
}
)?
)
}
}
impl Perform for GetCommunity {
fn op_type(&self) -> UserOperation {
UserOperation::GetCommunity
}
fn perform(&self, _chat: &mut ChatServer, _addr: usize) -> Result<String, Error> {
let conn = establish_connection();
let user_id: Option<i32> = match &self.auth {
Some(auth) => {
match Claims::decode(&auth) {
Ok(claims) => {
let user_id = claims.claims.id;
Some(user_id)
}
Err(_e) => None
}
}
None => None
};
let community_id = match self.id {
Some(id) => id,
None => Community::read_from_name(&conn, self.name.to_owned().unwrap_or("main".to_string()))?.id
};
let community_view = match CommunityView::read(&conn, community_id, user_id) {
Ok(community) => community,
Err(_e) => {
return Err(self.error("Couldn't find Community"))?
}
};
let moderators = match CommunityModeratorView::for_community(&conn, community_id) {
Ok(moderators) => moderators,
Err(_e) => {
return Err(self.error("Couldn't find Community"))?
}
};
let admins = UserView::admins(&conn)?;
// Return the jwt
Ok(
serde_json::to_string(
&GetCommunityResponse {
op: self.op_type().to_string(),
community: community_view,
moderators: moderators,
admins: admins,
}
)?
)
}
}
impl Perform for CreateComment {
fn op_type(&self) -> UserOperation {
UserOperation::CreateComment
}
fn perform(&self, chat: &mut ChatServer, addr: usize) -> Result<String, Error> {
let conn = establish_connection();
chat.check_rate_limit(addr)?;
let claims = match Claims::decode(&self.auth) {
Ok(claims) => claims.claims,
Err(_e) => {
return Err(self.error("Not logged in."))?
}
};
let user_id = claims.id;
// Check for a community ban
let post = Post::read(&conn, self.post_id)?;
if CommunityUserBanView::get(&conn, user_id, post.community_id).is_ok() {
return Err(self.error("You have been banned from this community"))?
}
// Check for a site ban
if UserView::read(&conn, user_id)?.banned {
return Err(self.error("You have been banned from the site"))?
}
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let content_slurs_removed = remove_slurs(&self.content.to_owned());
let comment_form = CommentForm {
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content: content_slurs_removed,
parent_id: self.parent_id.to_owned(),
post_id: self.post_id,
creator_id: user_id,
removed: None,
deleted: None,
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read: None,
updated: None
};
let inserted_comment = match Comment::create(&conn, &comment_form) {
Ok(comment) => comment,
Err(_e) => {
return Err(self.error("Couldn't create Comment"))?
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}
};
// You like your own comment by default
let like_form = CommentLikeForm {
comment_id: inserted_comment.id,
post_id: self.post_id,
user_id: user_id,
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score: 1
};
let _inserted_like = match CommentLike::like(&conn, &like_form) {
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Ok(like) => like,
Err(_e) => {
return Err(self.error("Couldn't like comment."))?
}
};
let comment_view = CommentView::read(&conn, inserted_comment.id, Some(user_id))?;
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let mut comment_sent = comment_view.clone();
comment_sent.my_vote = None;
comment_sent.user_id = None;
let comment_out = serde_json::to_string(
&CommentResponse {
op: self.op_type().to_string(),
comment: comment_view
}
)?;
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let comment_sent_out = serde_json::to_string(
&CommentResponse {
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op: self.op_type().to_string(),
comment: comment_sent
}
)?;
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chat.send_room_message(self.post_id, &comment_sent_out, addr);
Ok(comment_out)
}
}
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impl Perform for EditComment {
fn op_type(&self) -> UserOperation {
UserOperation::EditComment
}
fn perform(&self, chat: &mut ChatServer, addr: usize) -> Result<String, Error> {
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let conn = establish_connection();
let claims = match Claims::decode(&self.auth) {
Ok(claims) => claims.claims,
Err(_e) => {
return Err(self.error("Not logged in."))?
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}
};
let user_id = claims.id;
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let orig_comment = CommentView::read(&conn, self.edit_id, None)?;
// You are allowed to mark the comment as read even if you're banned.
if self.read.is_none() {
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// Verify its the creator or a mod, or an admin
let mut editors: Vec<i32> = vec![self.creator_id];
editors.append(
&mut CommunityModeratorView::for_community(&conn, orig_comment.community_id)
?
.into_iter()
.map(|m| m.user_id)
.collect()
);
editors.append(
&mut UserView::admins(&conn)
?
.into_iter()
.map(|a| a.id)
.collect()
);
if !editors.contains(&user_id) {
return Err(self.error("Not allowed to edit comment."))?
}
// Check for a community ban
if CommunityUserBanView::get(&conn, user_id, orig_comment.community_id).is_ok() {
return Err(self.error("You have been banned from this community"))?
}
// Check for a site ban
if UserView::read(&conn, user_id)?.banned {
return Err(self.error("You have been banned from the site"))?
}
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}
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let content_slurs_removed = remove_slurs(&self.content.to_owned());
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let comment_form = CommentForm {
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content: content_slurs_removed,
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parent_id: self.parent_id,
post_id: self.post_id,
creator_id: self.creator_id,
removed: self.removed.to_owned(),
deleted: self.deleted.to_owned(),
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read: self.read.to_owned(),
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updated: if self.read.is_some() { orig_comment.updated } else {Some(naive_now())}
};
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let _updated_comment = match Comment::update(&conn, self.edit_id, &comment_form) {
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Ok(comment) => comment,
Err(_e) => {
return Err(self.error("Couldn't update Comment"))?
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}
};
// Mod tables
if let Some(removed) = self.removed.to_owned() {
let form = ModRemoveCommentForm {
mod_user_id: user_id,
comment_id: self.edit_id,
removed: Some(removed),
reason: self.reason.to_owned(),
};
ModRemoveComment::create(&conn, &form)?;
}
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let comment_view = CommentView::read(&conn, self.edit_id, Some(user_id))?;
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let mut comment_sent = comment_view.clone();
comment_sent.my_vote = None;
comment_sent.user_id = None;
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let comment_out = serde_json::to_string(
&CommentResponse {
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op: self.op_type().to_string(),
comment: comment_view
}
)?;
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let comment_sent_out = serde_json::to_string(
&CommentResponse {
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op: self.op_type().to_string(),
comment: comment_sent
}
)?;
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chat.send_room_message(self.post_id, &comment_sent_out, addr);
Ok(comment_out)
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}
}
impl Perform for SaveComment {
fn op_type(&self) -> UserOperation {
UserOperation::SaveComment
}
fn perform(&self, _chat: &mut ChatServer, _addr: usize) -> Result<String, Error> {
let conn = establish_connection();
let claims = match Claims::decode(&self.auth) {
Ok(claims) => claims.claims,
Err(_e) => {
return Err(self.error("Not logged in."))?
}
};
let user_id = claims.id;
let comment_saved_form = CommentSavedForm {
comment_id: self.comment_id,
user_id: user_id,
};
if self.save {
match CommentSaved::save(&conn, &comment_saved_form) {
Ok(comment) => comment,
Err(_e) => {
return Err(self.error("Couldnt do comment save"))?
}
};
} else {
match CommentSaved::unsave(&conn, &comment_saved_form) {
Ok(comment) => comment,
Err(_e) => {
return Err(self.error("Couldnt do comment save"))?
}
};
}
let comment_view = CommentView::read(&conn, self.comment_id, Some(user_id))?;
let comment_out = serde_json::to_string(
&CommentResponse {
op: self.op_type().to_string(),
comment: comment_view
}
)
?;
Ok(comment_out)
}
}
impl Perform for CreateCommentLike {
fn op_type(&self) -> UserOperation {
UserOperation::CreateCommentLike
}
fn perform(&self, chat: &mut ChatServer, addr: usize) -> Result<String, Error> {
let conn = establish_connection();
chat.check_rate_limit(addr)?;
let claims = match Claims::decode(&self.auth) {
Ok(claims) => claims.claims,
Err(_e) => {
return Err(self.error("Not logged in."))?
}
};
let user_id = claims.id;
// Check for a community ban
let post = Post::read(&conn, self.post_id)?;
if CommunityUserBanView::get(&conn, user_id, post.community_id).is_ok() {
return Err(self.error("You have been banned from this community"))?
}
// Check for a site ban
if UserView::read(&conn, user_id)?.banned {
return Err(self.error("You have been banned from the site"))?
}
let like_form = CommentLikeForm {
comment_id: self.comment_id,
post_id: self.post_id,
user_id: user_id,
score: self.score
};
// Remove any likes first
CommentLike::remove(&conn, &like_form)?;
// Only add the like if the score isnt 0
if &like_form.score != &0 {
let _inserted_like = match CommentLike::like(&conn, &like_form) {
Ok(like) => like,
Err(_e) => {
return Err(self.error("Couldn't like comment."))?
}
};
}
// Have to refetch the comment to get the current state
let liked_comment = CommentView::read(&conn, self.comment_id, Some(user_id))?;
let mut liked_comment_sent = liked_comment.clone();
liked_comment_sent.my_vote = None;
liked_comment_sent.user_id = None;
let like_out = serde_json::to_string(
&CommentResponse {
op: self.op_type().to_string(),
comment: liked_comment
}
)?;
let like_sent_out = serde_json::to_string(
&CommentResponse {
op: self.op_type().to_string(),
comment: liked_comment_sent
}
)?;
chat.send_room_message(self.post_id, &like_sent_out, addr);
Ok(like_out)
}
}
impl Perform for GetPosts {
fn op_type(&self) -> UserOperation {
UserOperation::GetPosts
}
fn perform(&self, _chat: &mut ChatServer, _addr: usize) -> Result<String, Error> {
let conn = establish_connection();
let user_id: Option<i32> = match &self.auth {
Some(auth) => {
match Claims::decode(&auth) {
Ok(claims) => {
let user_id = claims.claims.id;
Some(user_id)
}
Err(_e) => None
}
}
None => None
};
let type_ = PostListingType::from_str(&self.type_)?;
let sort = SortType::from_str(&self.sort)?;
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let posts = match PostView::list(&conn,
type_,
&sort,
self.community_id,
None,
None,
user_id,
false,
false,
self.page,
self.limit) {
Ok(posts) => posts,
Err(_e) => {
return Err(self.error("Couldn't get posts"))?
}
};
// Return the jwt
Ok(
serde_json::to_string(
&GetPostsResponse {
op: self.op_type().to_string(),
posts: posts
}
)?
)
}
}
impl Perform for CreatePostLike {
fn op_type(&self) -> UserOperation {
UserOperation::CreatePostLike
}
fn perform(&self, chat: &mut ChatServer, addr: usize) -> Result<String, Error> {
let conn = establish_connection();
chat.check_rate_limit(addr)?;
let claims = match Claims::decode(&self.auth) {
Ok(claims) => claims.claims,
Err(_e) => {
return Err(self.error("Not logged in."))?
}
};
let user_id = claims.id;
// Check for a community ban
let post = Post::read(&conn, self.post_id)?;
if CommunityUserBanView::get(&conn, user_id, post.community_id).is_ok() {
return Err(self.error("You have been banned from this community"))?
}
// Check for a site ban
if UserView::read(&conn, user_id)?.banned {
return Err(self.error("You have been banned from the site"))?
}
let like_form = PostLikeForm {
post_id: self.post_id,
user_id: user_id,
score: self.score
};
// Remove any likes first
PostLike::remove(&conn, &like_form)?;
// Only add the like if the score isnt 0
if &like_form.score != &0 {
let _inserted_like = match PostLike::like(&conn, &like_form) {
Ok(like) => like,
Err(_e) => {
return Err(self.error("Couldn't like post."))?
}
};
}
let post_view = match PostView::read(&conn, self.post_id, Some(user_id)) {
Ok(post) => post,
Err(_e) => {
return Err(self.error("Couldn't find Post"))?
}
};
// just output the score
let like_out = serde_json::to_string(
&CreatePostLikeResponse {
op: self.op_type().to_string(),
post: post_view
}
)?;
Ok(like_out)
}
}
impl Perform for EditPost {
fn op_type(&self) -> UserOperation {
UserOperation::EditPost
}
fn perform(&self, chat: &mut ChatServer, addr: usize) -> Result<String, Error> {
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if has_slurs(&self.name) ||
(self.body.is_some() && has_slurs(&self.body.to_owned().unwrap())) {
return Err(self.error("No slurs"))?
}
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let conn = establish_connection();
let claims = match Claims::decode(&self.auth) {
Ok(claims) => claims.claims,
Err(_e) => {
return Err(self.error("Not logged in."))?
}
};
let user_id = claims.id;
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// Verify its the creator or a mod or admin
let mut editors: Vec<i32> = vec![self.creator_id];
editors.append(
&mut CommunityModeratorView::for_community(&conn, self.community_id)
?
.into_iter()
.map(|m| m.user_id)
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.collect()
);
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editors.append(
&mut UserView::admins(&conn)
?
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.into_iter()
.map(|a| a.id)
.collect()
);
if !editors.contains(&user_id) {
return Err(self.error("Not allowed to edit post."))?
}
// Check for a community ban
if CommunityUserBanView::get(&conn, user_id, self.community_id).is_ok() {
return Err(self.error("You have been banned from this community"))?
}
// Check for a site ban
if UserView::read(&conn, user_id)?.banned {
return Err(self.error("You have been banned from the site"))?
}
let post_form = PostForm {
name: self.name.to_owned(),
url: self.url.to_owned(),
body: self.body.to_owned(),
creator_id: self.creator_id.to_owned(),
community_id: self.community_id,
removed: self.removed.to_owned(),
deleted: self.deleted.to_owned(),
locked: self.locked.to_owned(),
updated: Some(naive_now())
};
let _updated_post = match Post::update(&conn, self.edit_id, &post_form) {
Ok(post) => post,
Err(_e) => {
return Err(self.error("Couldn't update Post"))?
}
};
// Mod tables
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if let Some(removed) = self.removed.to_owned() {
let form = ModRemovePostForm {
mod_user_id: user_id,
post_id: self.edit_id,
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removed: Some(removed),
reason: self.reason.to_owned(),
};
ModRemovePost::create(&conn, &form)?;
}
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if let Some(locked) = self.locked.to_owned() {
let form = ModLockPostForm {
mod_user_id: user_id,
post_id: self.edit_id,
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locked: Some(locked),
};
ModLockPost::create(&conn, &form)?;
}
let post_view = PostView::read(&conn, self.edit_id, Some(user_id))?;
let mut post_sent = post_view.clone();
post_sent.my_vote = None;
let post_out = serde_json::to_string(
&PostResponse {
op: self.op_type().to_string(),
post: post_view
}
)
?;
let post_sent_out = serde_json::to_string(
&PostResponse {
op: self.op_type().to_string(),
post: post_sent
}
)
?;
chat.send_room_message(self.edit_id, &post_sent_out, addr);
Ok(post_out)
}
}
impl Perform for SavePost {
fn op_type(&self) -> UserOperation {
UserOperation::SavePost
}
fn perform(&self, _chat: &mut ChatServer, _addr: usize) -> Result<String, Error> {
let conn = establish_connection();
let claims = match Claims::decode(&self.auth) {
Ok(claims) => claims.claims,
Err(_e) => {
return Err(self.error("Not logged in."))?
}
};
let user_id = claims.id;
let post_saved_form = PostSavedForm {
post_id: self.post_id,
user_id: user_id,
};
if self.save {
match PostSaved::save(&conn, &post_saved_form) {
Ok(post) => post,
Err(_e) => {
return Err(self.error("Couldnt do post save"))?
}
};
} else {
match PostSaved::unsave(&conn, &post_saved_form) {
Ok(post) => post,
Err(_e) => {
return Err(self.error("Couldnt do post save"))?
}
};
}
let post_view = PostView::read(&conn, self.post_id, Some(user_id))?;
let post_out = serde_json::to_string(
&PostResponse {
op: self.op_type().to_string(),
post: post_view
}
)
?;
Ok(post_out)
}
}
impl Perform for EditCommunity {
fn op_type(&self) -> UserOperation {
UserOperation::EditCommunity
}
fn perform(&self, chat: &mut ChatServer, addr: usize) -> Result<String, Error> {
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if has_slurs(&self.name) || has_slurs(&self.title) {
return Err(self.error("No slurs"))?
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}
let conn = establish_connection();
let claims = match Claims::decode(&self.auth) {
Ok(claims) => claims.claims,
Err(_e) => {
return Err(self.error("Not logged in."))?
}
};
let user_id = claims.id;
// Check for a site ban
if UserView::read(&conn, user_id)?.banned {
return Err(self.error("You have been banned from the site"))?
}
// Verify its a mod
let mut editors: Vec<i32> = Vec::new();
editors.append(
&mut CommunityModeratorView::for_community(&conn, self.edit_id)
?
.into_iter()
.map(|m| m.user_id)
.collect()
);
editors.append(
&mut UserView::admins(&conn)
?
.into_iter()
.map(|a| a.id)
.collect()
);
if !editors.contains(&user_id) {
return Err(self.error("Not allowed to edit community"))?
}
let community_form = CommunityForm {
name: self.name.to_owned(),
title: self.title.to_owned(),
description: self.description.to_owned(),
category_id: self.category_id.to_owned(),
creator_id: user_id,
removed: self.removed.to_owned(),
deleted: self.deleted.to_owned(),
updated: Some(naive_now())
};
let _updated_community = match Community::update(&conn, self.edit_id, &community_form) {
Ok(community) => community,
Err(_e) => {
return Err(self.error("Couldn't update Community"))?
}
};
// Mod tables
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if let Some(removed) = self.removed.to_owned() {
let expires = match self.expires {
Some(time) => Some(naive_from_unix(time)),
None => None
};
let form = ModRemoveCommunityForm {
mod_user_id: user_id,
community_id: self.edit_id,
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removed: Some(removed),
reason: self.reason.to_owned(),
expires: expires
};
ModRemoveCommunity::create(&conn, &form)?;
}
let community_view = CommunityView::read(&conn, self.edit_id, Some(user_id))?;
let community_out = serde_json::to_string(
&CommunityResponse {
op: self.op_type().to_string(),
community: community_view
}
)
?;
let community_view_sent = CommunityView::read(&conn, self.edit_id, None)?;
let community_sent = serde_json::to_string(
&CommunityResponse {
op: self.op_type().to_string(),
community: community_view_sent
}
)
?;
chat.send_community_message(&conn, self.edit_id, &community_sent, addr)?;
Ok(community_out)
}
}
impl Perform for FollowCommunity {
fn op_type(&self) -> UserOperation {
UserOperation::FollowCommunity
}
fn perform(&self, _chat: &mut ChatServer, _addr: usize) -> Result<String, Error> {
let conn = establish_connection();
let claims = match Claims::decode(&self.auth) {
Ok(claims) => claims.claims,
Err(_e) => {
return Err(self.error("Not logged in."))?
}
};
let user_id = claims.id;
let community_follower_form = CommunityFollowerForm {
community_id: self.community_id,
user_id: user_id
};
if self.follow {
match CommunityFollower::follow(&conn, &community_follower_form) {
Ok(user) => user,
Err(_e) => {
return Err(self.error("Community follower already exists."))?
}
};
} else {
match CommunityFollower::ignore(&conn, &community_follower_form) {
Ok(user) => user,
Err(_e) => {
return Err(self.error("Community follower already exists."))?
}
};
}
let community_view = CommunityView::read(&conn, self.community_id, Some(user_id))?;
Ok(
serde_json::to_string(
&CommunityResponse {
op: self.op_type().to_string(),
community: community_view
}
)?
)
}
}
impl Perform for GetFollowedCommunities {
fn op_type(&self) -> UserOperation {
UserOperation::GetFollowedCommunities
}
fn perform(&self, _chat: &mut ChatServer, _addr: usize) -> Result<String, Error> {
let conn = establish_connection();
let claims = match Claims::decode(&self.auth) {
Ok(claims) => claims.claims,
Err(_e) => {
return Err(self.error("Not logged in."))?
}
};
let user_id = claims.id;
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let communities: Vec<CommunityFollowerView> = match CommunityFollowerView::for_user(&conn, user_id) {
Ok(communities) => communities,
Err(_e) => {
return Err(self.error("System error, try logging out and back in."))?
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}
};
// Return the jwt
Ok(
serde_json::to_string(
&GetFollowedCommunitiesResponse {
op: self.op_type().to_string(),
communities: communities
}
)?
)
}
}
impl Perform for GetUserDetails {
fn op_type(&self) -> UserOperation {
UserOperation::GetUserDetails
}
fn perform(&self, _chat: &mut ChatServer, _addr: usize) -> Result<String, Error> {
let conn = establish_connection();
let user_id: Option<i32> = match &self.auth {
Some(auth) => {
match Claims::decode(&auth) {
Ok(claims) => {
let user_id = claims.claims.id;
Some(user_id)
}
Err(_e) => None
}
}
None => None
};
//TODO add save
let sort = SortType::from_str(&self.sort)?;
let user_details_id = match self.user_id {
Some(id) => id,
None => User_::read_from_name(&conn, self.username.to_owned().unwrap_or("admin".to_string()))?.id
};
let user_view = UserView::read(&conn, user_details_id)?;
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// If its saved only, you don't care what creator it was
let posts = if self.saved_only {
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PostView::list(&conn,
PostListingType::All,
&sort,
self.community_id,
None,
None,
Some(user_details_id),
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self.saved_only,
false,
self.page,
self.limit)?
} else {
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PostView::list(&conn,
PostListingType::All,
&sort,
self.community_id,
Some(user_details_id),
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None,
user_id,
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self.saved_only,
false,
self.page,
self.limit)?
};
let comments = if self.saved_only {
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CommentView::list(&conn,
&sort,
None,
None,
None,
Some(user_details_id),
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self.saved_only,
self.page,
self.limit)?
} else {
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CommentView::list(&conn,
&sort,
None,
Some(user_details_id),
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None,
user_id,
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self.saved_only,
self.page,
self.limit)?
};
let follows = CommunityFollowerView::for_user(&conn, user_details_id)?;
let moderates = CommunityModeratorView::for_user(&conn, user_details_id)?;
// Return the jwt
Ok(
serde_json::to_string(
&GetUserDetailsResponse {
op: self.op_type().to_string(),
user: user_view,
follows: follows,
moderates: moderates,
comments: comments,
posts: posts,
}
)?
)
}
}
impl Perform for GetModlog {
fn op_type(&self) -> UserOperation {
UserOperation::GetModlog
}
fn perform(&self, _chat: &mut ChatServer, _addr: usize) -> Result<String, Error> {
let conn = establish_connection();
let removed_posts = ModRemovePostView::list(&conn, self.community_id, self.mod_user_id, self.page, self.limit)?;
let locked_posts = ModLockPostView::list(&conn, self.community_id, self.mod_user_id, self.page, self.limit)?;
let removed_comments = ModRemoveCommentView::list(&conn, self.community_id, self.mod_user_id, self.page, self.limit)?;
let banned_from_community = ModBanFromCommunityView::list(&conn, self.community_id, self.mod_user_id, self.page, self.limit)?;
let added_to_community = ModAddCommunityView::list(&conn, self.community_id, self.mod_user_id, self.page, self.limit)?;
// These arrays are only for the full modlog, when a community isn't given
let mut removed_communities = Vec::new();
let mut banned = Vec::new();
let mut added = Vec::new();
if self.community_id.is_none() {
removed_communities = ModRemoveCommunityView::list(&conn, self.mod_user_id, self.page, self.limit)?;
banned = ModBanView::list(&conn, self.mod_user_id, self.page, self.limit)?;
added = ModAddView::list(&conn, self.mod_user_id, self.page, self.limit)?;
}
// Return the jwt
Ok(
serde_json::to_string(
&GetModlogResponse {
op: self.op_type().to_string(),
removed_posts: removed_posts,
locked_posts: locked_posts,
removed_comments: removed_comments,
removed_communities: removed_communities,
banned_from_community: banned_from_community,
banned: banned,
added_to_community: added_to_community,
added: added,
}
)?
)
}
}
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impl Perform for GetReplies {
fn op_type(&self) -> UserOperation {
UserOperation::GetReplies
}
fn perform(&self, _chat: &mut ChatServer, _addr: usize) -> Result<String, Error> {
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let conn = establish_connection();
let claims = match Claims::decode(&self.auth) {
Ok(claims) => claims.claims,
Err(_e) => {
return Err(self.error("Not logged in."))?
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}
};
let user_id = claims.id;
let sort = SortType::from_str(&self.sort)?;
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let replies = ReplyView::get_replies(&conn, user_id, &sort, self.unread_only, self.page, self.limit)?;
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// Return the jwt
Ok(
serde_json::to_string(
&GetRepliesResponse {
op: self.op_type().to_string(),
replies: replies,
}
)?
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)
}
}
impl Perform for BanFromCommunity {
fn op_type(&self) -> UserOperation {
UserOperation::BanFromCommunity
}
fn perform(&self, chat: &mut ChatServer, addr: usize) -> Result<String, Error> {
let conn = establish_connection();
let claims = match Claims::decode(&self.auth) {
Ok(claims) => claims.claims,
Err(_e) => {
return Err(self.error("Not logged in."))?
}
};
let user_id = claims.id;
let community_user_ban_form = CommunityUserBanForm {
community_id: self.community_id,
user_id: self.user_id,
};
if self.ban {
match CommunityUserBan::ban(&conn, &community_user_ban_form) {
Ok(user) => user,
Err(_e) => {
return Err(self.error("Community user ban already exists"))?
}
};
} else {
match CommunityUserBan::unban(&conn, &community_user_ban_form) {
Ok(user) => user,
Err(_e) => {
return Err(self.error("Community user ban already exists"))?
}
};
}
// Mod tables
let expires = match self.expires {
Some(time) => Some(naive_from_unix(time)),
None => None
};
let form = ModBanFromCommunityForm {
mod_user_id: user_id,
other_user_id: self.user_id,
community_id: self.community_id,
reason: self.reason.to_owned(),
banned: Some(self.ban),
expires: expires,
};
ModBanFromCommunity::create(&conn, &form)?;
let user_view = UserView::read(&conn, self.user_id)?;
let res = serde_json::to_string(
&BanFromCommunityResponse {
op: self.op_type().to_string(),
user: user_view,
banned: self.ban
}
)
?;
chat.send_community_message(&conn, self.community_id, &res, addr)?;
Ok(res)
}
}
impl Perform for AddModToCommunity {
fn op_type(&self) -> UserOperation {
UserOperation::AddModToCommunity
}
fn perform(&self, chat: &mut ChatServer, addr: usize) -> Result<String, Error> {
let conn = establish_connection();
let claims = match Claims::decode(&self.auth) {
Ok(claims) => claims.claims,
Err(_e) => {
return Err(self.error("Not logged in."))?
}
};
let user_id = claims.id;
let community_moderator_form = CommunityModeratorForm {
community_id: self.community_id,
user_id: self.user_id
};
if self.added {
match CommunityModerator::join(&conn, &community_moderator_form) {
Ok(user) => user,
Err(_e) => {
return Err(self.error("Community moderator already exists."))?
}
};
} else {
match CommunityModerator::leave(&conn, &community_moderator_form) {
Ok(user) => user,
Err(_e) => {
return Err(self.error("Community moderator already exists."))?
}
};
}
// Mod tables
let form = ModAddCommunityForm {
mod_user_id: user_id,
other_user_id: self.user_id,
community_id: self.community_id,
removed: Some(!self.added),
};
ModAddCommunity::create(&conn, &form)?;
let moderators = CommunityModeratorView::for_community(&conn, self.community_id)?;
let res = serde_json::to_string(
&AddModToCommunityResponse {
op: self.op_type().to_string(),
moderators: moderators,
}
)
?;
chat.send_community_message(&conn, self.community_id, &res, addr)?;
Ok(res)
}
}
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impl Perform for CreateSite {
fn op_type(&self) -> UserOperation {
UserOperation::CreateSite
}
fn perform(&self, _chat: &mut ChatServer, _addr: usize) -> Result<String, Error> {
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let conn = establish_connection();
let claims = match Claims::decode(&self.auth) {
Ok(claims) => claims.claims,
Err(_e) => {
return Err(self.error("Not logged in."))?
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}
};
if has_slurs(&self.name) ||
(self.description.is_some() && has_slurs(&self.description.to_owned().unwrap())) {
return Err(self.error("No slurs"))?
}
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let user_id = claims.id;
// Make sure user is an admin
if !UserView::read(&conn, user_id)?.admin {
return Err(self.error("Not an admin."))?
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}
let site_form = SiteForm {
name: self.name.to_owned(),
description: self.description.to_owned(),
creator_id: user_id,
updated: None,
};
match Site::create(&conn, &site_form) {
Ok(site) => site,
Err(_e) => {
return Err(self.error("Site exists already"))?
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}
};
let site_view = SiteView::read(&conn)?;
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Ok(
serde_json::to_string(
&SiteResponse {
op: self.op_type().to_string(),
site: site_view,
}
)?
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)
}
}
impl Perform for EditSite {
fn op_type(&self) -> UserOperation {
UserOperation::EditSite
}
fn perform(&self, _chat: &mut ChatServer, _addr: usize) -> Result<String, Error> {
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let conn = establish_connection();
let claims = match Claims::decode(&self.auth) {
Ok(claims) => claims.claims,
Err(_e) => {
return Err(self.error("Not logged in."))?
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}
};
if has_slurs(&self.name) ||
(self.description.is_some() && has_slurs(&self.description.to_owned().unwrap())) {
return Err(self.error("No slurs"))?
}
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let user_id = claims.id;
// Make sure user is an admin
if UserView::read(&conn, user_id)?.admin == false {
return Err(self.error("Not an admin."))?
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}
let found_site = Site::read(&conn, 1)?;
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let site_form = SiteForm {
name: self.name.to_owned(),
description: self.description.to_owned(),
creator_id: found_site.creator_id,
updated: Some(naive_now()),
};
match Site::update(&conn, 1, &site_form) {
Ok(site) => site,
Err(_e) => {
return Err(self.error("Couldn't update site."))?
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}
};
let site_view = SiteView::read(&conn)?;
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Ok(
serde_json::to_string(
&SiteResponse {
op: self.op_type().to_string(),
site: site_view,
}
)?
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)
}
}
impl Perform for GetSite {
fn op_type(&self) -> UserOperation {
UserOperation::GetSite
}
fn perform(&self, _chat: &mut ChatServer, _addr: usize) -> Result<String, Error> {
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let conn = establish_connection();
// It can return a null site in order to redirect
let site_view = match Site::read(&conn, 1) {
Ok(_site) => Some(SiteView::read(&conn)?),
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Err(_e) => None
};
let admins = UserView::admins(&conn)?;
let banned = UserView::banned(&conn)?;
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Ok(
serde_json::to_string(
&GetSiteResponse {
op: self.op_type().to_string(),
site: site_view,
admins: admins,
banned: banned,
}
)?
2019-04-16 23:04:23 +00:00
)
}
}
impl Perform for AddAdmin {
fn op_type(&self) -> UserOperation {
UserOperation::AddAdmin
}
fn perform(&self, _chat: &mut ChatServer, _addr: usize) -> Result<String, Error> {
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let conn = establish_connection();
let claims = match Claims::decode(&self.auth) {
Ok(claims) => claims.claims,
Err(_e) => {
return Err(self.error("Not logged in."))?
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}
};
let user_id = claims.id;
// Make sure user is an admin
if UserView::read(&conn, user_id)?.admin == false {
return Err(self.error("Not an admin."))?
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}
let read_user = User_::read(&conn, self.user_id)?;
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let user_form = UserForm {
name: read_user.name,
fedi_name: read_user.fedi_name,
email: read_user.email,
password_encrypted: read_user.password_encrypted,
preferred_username: read_user.preferred_username,
updated: Some(naive_now()),
admin: self.added,
banned: read_user.banned,
};
match User_::update(&conn, self.user_id, &user_form) {
Ok(user) => user,
Err(_e) => {
return Err(self.error("Couldn't update user"))?
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}
};
// Mod tables
let form = ModAddForm {
mod_user_id: user_id,
other_user_id: self.user_id,
removed: Some(!self.added),
};
ModAdd::create(&conn, &form)?;
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let admins = UserView::admins(&conn)?;
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let res = serde_json::to_string(
&AddAdminResponse {
op: self.op_type().to_string(),
admins: admins,
}
)
?;
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Ok(res)
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}
}
impl Perform for BanUser {
fn op_type(&self) -> UserOperation {
UserOperation::BanUser
}
fn perform(&self, _chat: &mut ChatServer, _addr: usize) -> Result<String, Error> {
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let conn = establish_connection();
let claims = match Claims::decode(&self.auth) {
Ok(claims) => claims.claims,
Err(_e) => {
return Err(self.error("Not logged in."))?
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}
};
let user_id = claims.id;
// Make sure user is an admin
if UserView::read(&conn, user_id)?.admin == false {
return Err(self.error("Not an admin."))?
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}
let read_user = User_::read(&conn, self.user_id)?;
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let user_form = UserForm {
name: read_user.name,
fedi_name: read_user.fedi_name,
email: read_user.email,
password_encrypted: read_user.password_encrypted,
preferred_username: read_user.preferred_username,
updated: Some(naive_now()),
admin: read_user.admin,
banned: self.ban,
};
match User_::update(&conn, self.user_id, &user_form) {
Ok(user) => user,
Err(_e) => {
return Err(self.error("Couldn't update user"))?
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}
};
// Mod tables
let expires = match self.expires {
Some(time) => Some(naive_from_unix(time)),
None => None
};
let form = ModBanForm {
mod_user_id: user_id,
other_user_id: self.user_id,
reason: self.reason.to_owned(),
banned: Some(self.ban),
expires: expires,
};
ModBan::create(&conn, &form)?;
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let user_view = UserView::read(&conn, self.user_id)?;
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let res = serde_json::to_string(
&BanUserResponse {
op: self.op_type().to_string(),
user: user_view,
banned: self.ban
}
)
?;
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Ok(res)
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}
}
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impl Perform for Search {
fn op_type(&self) -> UserOperation {
UserOperation::Search
}
fn perform(&self, _chat: &mut ChatServer, _addr: usize) -> Result<String, Error> {
let conn = establish_connection();
let sort = SortType::from_str(&self.sort)?;
let type_ = SearchType::from_str(&self.type_)?;
let mut posts = Vec::new();
let mut comments = Vec::new();
match type_ {
SearchType::Posts => {
posts = PostView::list(&conn,
PostListingType::All,
&sort,
self.community_id,
None,
Some(self.q.to_owned()),
None,
false,
false,
self.page,
self.limit)?;
},
SearchType::Comments => {
comments = CommentView::list(&conn,
&sort,
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None,
None,
Some(self.q.to_owned()),
None,
false,
self.page,
self.limit)?;
},
SearchType::Both => {
posts = PostView::list(&conn,
PostListingType::All,
&sort,
self.community_id,
None,
Some(self.q.to_owned()),
None,
false,
false,
self.page,
self.limit)?;
comments = CommentView::list(&conn,
&sort,
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None,
None,
Some(self.q.to_owned()),
None,
false,
self.page,
self.limit)?;
}
};
// Return the jwt
Ok(
serde_json::to_string(
&SearchResponse {
op: self.op_type().to_string(),
comments: comments,
posts: posts,
}
)?
)
}
}
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impl Perform for MarkAllAsRead {
fn op_type(&self) -> UserOperation {
UserOperation::MarkAllAsRead
}
fn perform(&self, _chat: &mut ChatServer, _addr: usize) -> Result<String, Error> {
let conn = establish_connection();
let claims = match Claims::decode(&self.auth) {
Ok(claims) => claims.claims,
Err(_e) => {
return Err(self.error("Not logged in."))?
}
};
let user_id = claims.id;
let replies = ReplyView::get_replies(&conn, user_id, &SortType::New, true, Some(1), Some(999))?;
for reply in &replies {
let comment_form = CommentForm {
content: reply.to_owned().content,
parent_id: reply.to_owned().parent_id,
post_id: reply.to_owned().post_id,
creator_id: reply.to_owned().creator_id,
removed: None,
deleted: None,
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read: Some(true),
updated: reply.to_owned().updated
};
let _updated_comment = match Comment::update(&conn, reply.id, &comment_form) {
Ok(comment) => comment,
Err(_e) => {
return Err(self.error("Couldn't update Comment"))?
}
};
}
let replies = ReplyView::get_replies(&conn, user_id, &SortType::New, true, Some(1), Some(999))?;
Ok(
serde_json::to_string(
&GetRepliesResponse {
op: self.op_type().to_string(),
replies: replies,
}
)?
)
}
}