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
|
/// ATP database (as distinct from blockstore)
use crate::{AtpSession, Did, KeyPair};
use anyhow::{anyhow, Result};
use lazy_static::lazy_static;
use log::debug;
use rusqlite::{params, Connection, OptionalExtension};
use rusqlite_migration::{Migrations, M};
use serde_json::Value;
use std::path::PathBuf;
use std::str::FromStr;
/// Default is 12, but that is quite slow (on my laptop at least)
const BCRYPT_COST: u32 = 8;
#[cfg(test)]
mod tests {
use super::*;
#[test]
fn migrations_test() {
assert!(MIGRATIONS.validate().is_ok());
}
}
lazy_static! {
static ref MIGRATIONS: Migrations<'static> =
Migrations::new(vec![M::up(include_str!("atp_db.sql")),]);
}
#[derive(Debug)]
pub struct AtpDatabase {
conn: Connection,
}
impl AtpDatabase {
pub fn open(path: &PathBuf) -> Result<Self> {
let mut conn = Connection::open(path)?;
MIGRATIONS.to_latest(&mut conn)?;
// any pragma would happen here
Ok(AtpDatabase { conn })
}
/// temporary database, eg for tests.
///
/// TODO: should create a tmp file on ramdisk (/var/tmp?) instead of opening an in-memory
/// database. in-memory database can't be used with multiple connections
pub fn open_ephemeral() -> Result<Self> {
let mut conn = Connection::open_in_memory()?;
MIGRATIONS.to_latest(&mut conn)?;
// any pragma would happen here
Ok(AtpDatabase { conn })
}
/// Creates an entirely new connection to the same database
///
/// Skips re-running migrations.
///
/// Fails for ephemeral databases.
pub fn new_connection(&self) -> Result<Self> {
// TODO: let path = std::path::PathBuf::from(self.conn.path().ok_or(Err(anyhow!("expected real database")))?);
let path = std::path::PathBuf::from(self.conn.path().expect("expected real database"));
let conn = Connection::open(path)?;
Ok(AtpDatabase { conn })
}
/// Quick check if an account already exists for given handle or email
pub fn account_exists(&mut self, handle: &str, email: &str) -> Result<bool> {
let mut stmt = self
.conn
.prepare_cached("SELECT COUNT(*) FROM account WHERE handle = $1 OR email = $2")?;
let count: i32 = stmt.query_row(params!(handle, email), |row| row.get(0))?;
Ok(count > 0)
}
pub fn create_account(
&mut self,
did: &Did,
handle: &str,
password: &str,
email: &str,
recovery_pubkey: &str,
) -> Result<()> {
debug!("bcrypt hashing password (can be slow)...");
let password_bcrypt = bcrypt::hash(password, BCRYPT_COST)?;
let mut stmt = self.conn.prepare_cached(
"INSERT INTO account (handle, password_bcrypt, email, did, recovery_pubkey) VALUES (?1, ?2, ?3, ?4, ?5)",
)?;
stmt.execute(params!(
handle,
password_bcrypt,
email,
did.to_string(),
recovery_pubkey,
))?;
Ok(())
}
/// Returns a JWT session token
pub fn create_session(
&mut self,
handle: &str,
password: &str,
keypair: &KeyPair,
) -> Result<AtpSession> {
let mut stmt = self
.conn
.prepare_cached("SELECT did, password_bcrypt FROM account WHERE handle = ?1")?;
let (did_col, password_bcrypt): (String, String) =
stmt.query_row(params!(handle), |row| Ok((row.get(0)?, row.get(1)?)))?;
if !bcrypt::verify(password, &password_bcrypt)? {
return Err(anyhow!("password did not match"));
}
let did = Did::from_str(&did_col)?;
let jwt = keypair.ucan(&did)?;
let mut stmt = self
.conn
.prepare_cached("INSERT INTO session (did, jwt) VALUES (?1, ?2)")?;
stmt.execute(params!(did.to_string(), jwt))?;
Ok(AtpSession {
did: did.to_string(),
name: handle.to_string(),
accessJwt: jwt.to_string(),
refreshJwt: jwt,
})
}
/// Returns the DID that a token is valid for, or None if session not found
pub fn check_auth_token(&mut self, jwt: &str) -> Result<Option<Did>> {
let mut stmt = self
.conn
.prepare_cached("SELECT did FROM session WHERE jwt = $1")?;
let did_maybe: Option<String> =
stmt.query_row(params!(jwt), |row| row.get(0)).optional()?;
Ok(did_maybe.map(|v| Did::from_str(&v).expect("valid DID in database")))
}
pub fn delete_session(&mut self, jwt: &str) -> Result<bool> {
let mut stmt = self
.conn
.prepare_cached("DELETE FROM session WHERE jwt = $1")?;
let count = stmt.execute(params!(jwt))?;
Ok(count >= 1)
}
pub fn put_did_doc(&mut self, did: &Did, did_doc: &Value) -> Result<()> {
let mut stmt = self
.conn
.prepare_cached("INSERT INTO did_doc (did, doc_json) VALUES (?1, ?2)")?;
stmt.execute(params!(did.to_string(), did_doc.to_string()))?;
Ok(())
}
pub fn get_did_doc(&mut self, did: &Did) -> Result<Value> {
let mut stmt = self
.conn
.prepare_cached("SELECT doc_json FROM did_doc WHERE did = $1")?;
let doc_json: String = stmt.query_row(params!(did.to_string()), |row| row.get(0))?;
Ok(Value::from_str(&doc_json)?)
}
}
|
