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
|
use sqlx::{sqlite::Sqlite, SqliteConnection, Transaction};
use crate::{id::Id as BaseId, password::StoredHash};
pub trait Provider {
fn logins(&mut self) -> Logins;
}
impl<'c> Provider for Transaction<'c, Sqlite> {
fn logins(&mut self) -> Logins {
Logins(self)
}
}
pub struct Logins<'t>(&'t mut SqliteConnection);
// This also implements FromRequestParts (see `./extract.rs`). As a result, it
// can be used as an extractor for endpoints that want to require login, or for
// endpoints that need to behave differently depending on whether the client is
// or is not logged in.
#[derive(Clone, Debug, serde::Serialize)]
pub struct Login {
pub id: Id,
pub name: String,
// The omission of the hashed password is deliberate, to minimize the
// chance that it ends up tangled up in debug output or in some other chunk
// of logic elsewhere.
}
impl<'c> Logins<'c> {
pub async fn create(
&mut self,
name: &str,
password_hash: &StoredHash,
) -> Result<Login, sqlx::Error> {
let id = Id::generate();
let login = sqlx::query_as!(
Login,
r#"
insert or fail
into login (id, name, password_hash)
values ($1, $2, $3)
returning
id as "id: Id",
name
"#,
id,
name,
password_hash,
)
.fetch_one(&mut *self.0)
.await?;
Ok(login)
}
pub async fn by_id(&mut self, id: &Id) -> Result<Login, sqlx::Error> {
let login = sqlx::query_as!(
Login,
r#"
select
id as "id: Id",
name
from login
where id = $1
"#,
id,
)
.fetch_one(&mut *self.0)
.await?;
Ok(login)
}
}
impl<'t> From<&'t mut SqliteConnection> for Logins<'t> {
fn from(tx: &'t mut SqliteConnection) -> Self {
Self(tx)
}
}
/// Stable identifier for a [Login]. Prefixed with `L`.
#[derive(Clone, Debug, Eq, PartialEq, sqlx::Type, serde::Serialize)]
#[sqlx(transparent)]
pub struct Id(BaseId);
impl From<BaseId> for Id {
fn from(id: BaseId) -> Self {
Self(id)
}
}
impl Id {
pub fn generate() -> Self {
BaseId::generate("L")
}
}
impl std::fmt::Display for Id {
fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
self.0.fmt(f)
}
}
|
