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|
use crate::AtpSession;
/// ATP database (as distinct from blockstore)
use anyhow::{anyhow, Result};
use lazy_static::lazy_static;
use rusqlite::{params, Connection};
use rusqlite_migration::{Migrations, M};
use serde_json::Value;
use std::path::PathBuf;
use std::str::FromStr;
#[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 })
}
pub fn get_record(&mut self, did: &str, collection: &str, tid: &str) -> Result<Value> {
let mut stmt = self.conn.prepare_cached(
"SELECT record_json FROM record WHERE did = ?1 collection = ?2 tid = ?3",
)?;
Ok(stmt.query_row(params!(did, collection, tid), |row| {
row.get(0).map(|v: String| Value::from_str(&v))
})??)
}
pub fn get_record_list(&mut self, did: &str, collection: &str) -> Result<Vec<String>> {
let mut stmt = self
.conn
.prepare_cached("SELECT tid FROM record WHERE did = ?1 collection = ?2")?;
let ret = stmt
.query_and_then(params!(did, collection), |row| {
let v: String = row.get(0)?;
Ok(v)
})?
.collect();
ret
}
pub fn get_collection_list(&mut self, did: &str) -> Result<Vec<String>> {
let mut stmt = self
.conn
.prepare_cached("SELECT collection FROM record WHERE did = ?1 GROUP BY collection")?;
let ret = stmt
.query_and_then(params!(did), |row| {
let v: String = row.get(0)?;
Ok(v)
})?
.collect();
ret
}
pub fn create_account(
&mut self,
username: &str,
password: &str,
email: &str,
) -> Result<AtpSession> {
// TODO: validate email (regex?)
// TODO: validate username
// TODO: generate and store signing key
// TODO: generate plc did (randomly for now?)
// TODO: insert did_doc
// TODO: also need to initialize repo with... profile?
{
let password_bcrypt = bcrypt::hash(password, bcrypt::DEFAULT_COST)?;
let signing_key = "key:TODO";
let did = "did:TODO";
let mut stmt = self
.conn
.prepare_cached("INSERT INTO account (username, password_bcrypt, email, did, signing_key) VALUES (?1, ?2, ?3, ?4, ?5)")?;
stmt.execute(params!(username, password_bcrypt, email, did, signing_key))?;
}
self.create_session(username, password)
}
pub fn create_session(&mut self, username: &str, password: &str) -> Result<AtpSession> {
let mut stmt = self
.conn
.prepare_cached("SELECT password_bcrypt FROM account WHERE username = ?1")?;
let password_bcrypt: String = stmt.query_row(params!(username), |row| row.get(0))?;
if !bcrypt::verify(password, &password_bcrypt)? {
return Err(anyhow!("password did not match"));
}
// TODO: generate JWT
// TODO: insert session wtih JWT
Ok(AtpSession {
name: username.to_string(),
did: "did:TODO".to_string(),
jwt: "jwt:TODO".to_string(),
})
}
}
|
