1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
|
// TODO:
// - Have a task that cleans up expired logins once in a while (once every day?)
use tokio;
use warp::{Filter, Reply, Rejection};
use argon2::{
password_hash::{
rand_core::OsRng,
PasswordHash, PasswordHasher, PasswordVerifier, SaltString
},
Argon2
};
use serde::{Serialize, Deserialize};
mod constants; use constants::*;
mod util;
mod db; use db::DB;
mod path; use path::Path;
macro_rules! mk_bad_request {
($res:expr) => { Ok(Box::new(warp::reply::with_status($res, warp::http::StatusCode::BAD_REQUEST))) }
}
macro_rules! mk_not_found {
($res:expr) => { Ok(Box::new(warp::reply::with_status($res, warp::http::StatusCode::NOT_FOUND))) }
}
macro_rules! mk_unauthorized {
($msg:expr) => { Ok(Box::new(warp::reply::with_status($msg, warp::http::StatusCode::UNAUTHORIZED))) }
}
macro_rules! mk_server_err {
() => { Ok(Box::new(warp::reply::with_status("Internal server error", warp::http::StatusCode::INTERNAL_SERVER_ERROR))) }
}
type Response = Result<Box<dyn Reply>, Rejection>;
async fn handle_ping(db: DB, mtoken: Option<String>) -> Response {
if let Some(token) = mtoken {
match db::maybe_refresh_token(db, &token).await {
Ok(()) => {},
Err(err) => { return mk_bad_request!(err); },
}
}
return Ok(Box::new("pong"))
}
#[derive(Deserialize)]
struct RegisterReq {
username: String,
password: String,
}
async fn handle_register(db: DB, req: RegisterReq) -> Response {
let salt = SaltString::generate(&mut OsRng);
let hash = match Argon2::default().hash_password(req.password.as_bytes(), &salt) {
Ok(hash) => hash.to_string(),
Err(_) => return mk_bad_request!("bad request"),
};
match db::register_account(db, &req.username, &hash.to_string()).await {
Ok(()) => Ok(Box::new("Registered")),
Err(err) => mk_bad_request!(err),
}
}
async fn handle_login(db: DB, req: RegisterReq) -> Response {
let passhash = match db::get_passhash(db.clone(), &req.username).await {
Ok(passhash) => passhash,
Err(()) => return mk_not_found!("User not found"),
};
let parsed_hash = match PasswordHash::new(&passhash) {
Ok(parsed_hash) => parsed_hash,
Err(err) => {
eprintln!("Could not parse password hash: {err}");
return mk_server_err!();
}
};
if let Err(_) = Argon2::default().verify_password(req.password.as_bytes(), &parsed_hash) {
return mk_unauthorized!("Incorrect password");
}
match db::create_login_token(db, &req.username).await {
Ok(token) => Ok(Box::new(token)),
Err(()) => {
eprintln!("Failed inserting login token for user '{0}'", &req.username);
mk_server_err!()
}
}
}
async fn handle_logout(db: DB, token: String) -> Response {
db::drop_token(db, &token).await;
Ok(Box::new("Logged out"))
}
macro_rules! check_login {
($db:expr, $token:expr) => {
match db::check_login($db.clone(), $token).await {
Ok(user) => user,
Err(()) => return mk_unauthorized!("Not logged in"),
}
}
}
#[derive(Deserialize)]
struct FileCreateReq {
path: String,
}
#[derive(Serialize)]
struct FileCreateRes {
id: i64,
}
async fn handle_file_create(db: DB, token: String, req: FileCreateReq) -> Response {
let user = check_login!(db, &token);
let path = match Path::split(&req.path) {
Some(path) => path,
None => return mk_bad_request!("Invalid path"),
};
match db::file_create_empty(db.clone(), user, &path).await {
Ok(id) => Ok(Box::new(warp::reply::json(&FileCreateRes { id }))),
Err(err) => mk_bad_request!(err),
}
}
macro_rules! db_handler1 {
($db:expr, $handler:ident) => { { let db2 = $db.clone(); move |a| $handler(db2.clone(), a) } }
}
macro_rules! db_handler2 {
($db:expr, $handler:ident) => { { let db2 = $db.clone(); move |a,b| $handler(db2.clone(), a, b) } }
}
#[tokio::main]
async fn main() {
let db: DB = db::open().await;
println!("Opened database at {DB_FILE_NAME}.");
let use_login_token = warp::header::<String>("x-kaasnoot-token");
let use_optional_login_token = warp::header::optional::<String>("x-kaasnoot-token");
let router =
(warp::get().and(warp::path!("ping"))
.and(use_optional_login_token)
.and_then(db_handler1!(db, handle_ping)))
.or(warp::post().and(warp::path!("register"))
.and(warp::body::json())
.and_then(db_handler1!(db, handle_register)))
.or(warp::post().and(warp::path!("login"))
.and(warp::body::json())
.and_then(db_handler1!(db, handle_login)))
.or(warp::post().and(warp::path!("logout"))
.and(use_login_token)
.and_then(db_handler1!(db, handle_logout)))
.or(warp::put().and(warp::path!("file"))
.and(use_login_token)
.and(warp::body::json())
.and_then(db_handler2!(db, handle_file_create)));
warp::serve(router)
.run(([0, 0, 0, 0], 8775))
.await;
}
|
