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
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
|
#![allow(async_fn_in_trait)]
#![allow(unused)]
use crate::Error;
use somethings::{
DatabaseError, DatabaseHandle,
auth::{AnonymousUser, HashedPassword, Session, SessionId, User, UserAuth, UserId},
params,
};
pub trait AuthDatabase {
async fn auth_create_tables(&self) -> Result<(), DatabaseError>;
async fn insert_user(&self, id: &UserId, name: &str, hash: HashedPassword)
-> Result<(), Error>;
async fn insert_anonymous_user(&self, id: &UserId) -> Result<(), Error>;
async fn user_exists(&self, id: &UserId) -> Result<bool, Error>;
async fn get_user_by_id(&self, id: &UserId) -> Result<User, Error>;
async fn get_anonymous_user_by_id(&self, id: &UserId) -> Result<AnonymousUser, Error>;
async fn get_userauth_by_name(&self, name: &str) -> Result<UserAuth, Error>;
async fn insert_session(&self, id: &SessionId, uid: &UserId) -> Result<(), Error>;
async fn get_session_by_id(&self, id: &SessionId) -> Result<Session, Error>;
async fn delete_session_by_id(&self, id: &SessionId) -> Result<(), Error>;
}
impl AuthDatabase for DatabaseHandle {
async fn auth_create_tables(&self) -> Result<(), DatabaseError> {
let lock = self.lock().await;
lock.create_table("users", CREATE_TABLE_USERS)?;
lock.create_table("sessions", CREATE_TABLE_SESSIONS)
}
async fn insert_user(
&self,
id: &UserId,
name: &str,
hash: HashedPassword,
) -> Result<(), Error> {
self.lock().await.insert(
"INSERT INTO users(id, name, hash) VALUES(?1, ?2, ?3)",
params![id, name, hash.to_string()],
)?;
Ok(())
}
async fn insert_anonymous_user(&self, id: &UserId) -> Result<(), Error> {
self.lock()
.await
.insert("INSERT INTO users(id) VALUES(?1)", params![id])?;
Ok(())
}
async fn user_exists(&self, id: &UserId) -> Result<bool, Error> {
match get_dbuser_by_id(self, id).await {
Ok(_) => Ok(true),
Err(Error::DatabaseError(DatabaseError::NoRows)) => Ok(false),
Err(e) => Err(e),
}
}
async fn get_user_by_id(&self, id: &UserId) -> Result<User, Error> {
get_dbuser_by_id(&self, id).await?.try_into()
}
async fn get_anonymous_user_by_id(&self, id: &UserId) -> Result<AnonymousUser, Error> {
let dbuser = get_dbuser_by_id(&self, id).await?;
match dbuser.name {
Some(_) => Err(Error::UserIsRegistered),
None => Ok(AnonymousUser::new(dbuser.id)),
}
}
async fn get_userauth_by_name(&self, name: &str) -> Result<UserAuth, Error> {
get_dbuser_by_name(&self, name).await?.try_into()
}
async fn insert_session(&self, id: &SessionId, uid: &UserId) -> Result<(), Error> {
self.lock().await.insert(
"INSERT INTO sessions(id, user_id) VALUES(?1, ?2)",
params![id, uid],
)?;
Ok(())
}
async fn get_session_by_id(&self, id: &SessionId) -> Result<Session, Error> {
let sql = "SELECT sessions.id, users.id, users.name \
FROM sessions \
INNER JOIN users ON sessions.user_id = users.id \
WHERE sessions.id = ?1";
self.lock()
.await
.query_one(sql, params![id], |row| {
Ok(Session::new(
row.get(0)?,
User::new(row.get(1)?, row.get(2)?),
))
})
.map_err(|dbe| Error::DatabaseError(dbe))
}
async fn delete_session_by_id(&self, id: &SessionId) -> Result<(), Error> {
self.lock()
.await
.execute("DELETE FROM sessions WHERE id = ?1", params![id])?;
Ok(())
}
}
async fn get_dbuser_by_id(db: &DatabaseHandle, id: &UserId) -> Result<DbUser, Error> {
db.lock()
.await
.query_one(
"SELECT id, name, hash FROM users WHERE id = ?1",
params![id],
|row| {
Ok(DbUser {
id: row.get(0)?,
name: row.get(1)?,
hash: row.get(2)?,
})
},
)
.map_err(|e| Error::DatabaseError(e))
}
async fn get_dbuser_by_name(db: &DatabaseHandle, name: &str) -> Result<DbUser, Error> {
db.lock()
.await
.query_one(
"SELECT id, name, hash FROM users WHERE name = ?1",
params![name],
|row| {
Ok(DbUser {
id: row.get(0)?,
name: row.get(1)?,
hash: row.get(2)?,
})
},
)
.map_err(|e| Error::DatabaseError(e))
}
pub const CREATE_TABLE_USERS: &'static str = "\
CREATE TABLE IF NOT EXISTS users(
id TEXT NOT NULL PRIMARY KEY,
name TEXT,
hash TEXT,
created TEXT NOT NULL DEFAULT CURRENT_TIMESTAMP
);";
pub const CREATE_TABLE_SESSIONS: &'static str = "\
CREATE TABLE IF NOT EXISTS sessions(
id TEXT NOT NULL PRIMARY KEY,
user_id INTEGER NOT NULL,
created TEXT NOT NULL DEFAULT CURRENT_TIMESTAMP,
FOREIGN KEY (user_id)
REFERENCES users(id)
);";
struct DbUser {
id: UserId,
name: Option<String>,
hash: Option<String>,
}
impl TryInto<User> for DbUser {
type Error = Error;
fn try_into(self) -> Result<User, Self::Error> {
let DbUser { id, name, hash: _ } = self;
match name {
Some(name) => Ok(User::new(id, name)),
None => Err(Error::UserIsAnonymous),
}
}
}
impl TryInto<UserAuth> for DbUser {
type Error = Error;
fn try_into(self) -> Result<UserAuth, Self::Error> {
let DbUser { id, name, hash } = self;
match (name, hash) {
(Some(name), Some(hash)) => Ok(UserAuth::new(
User::new(id, name),
HashedPassword::new(hash),
)),
_ => Err(Error::UserIsAnonymous),
}
}
}
|
