mirror of
https://github.com/dani-garcia/vaultwarden.git
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94 lines
2.9 KiB
Rust
94 lines
2.9 KiB
Rust
use std::ops::Deref;
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use diesel::r2d2;
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use diesel::r2d2::ConnectionManager;
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use diesel::{Connection as DieselConnection, ConnectionError};
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use rocket::http::Status;
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use rocket::request::{self, FromRequest};
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use rocket::{Outcome, Request, State};
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use crate::error::Error;
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use chrono::prelude::*;
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use std::process::Command;
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use crate::CONFIG;
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/// An alias to the database connection used
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#[cfg(feature = "sqlite")]
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type Connection = diesel::sqlite::SqliteConnection;
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#[cfg(feature = "mysql")]
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type Connection = diesel::mysql::MysqlConnection;
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#[cfg(feature = "postgresql")]
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type Connection = diesel::pg::PgConnection;
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/// An alias to the type for a pool of Diesel connections.
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type Pool = r2d2::Pool<ConnectionManager<Connection>>;
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/// Connection request guard type: a wrapper around an r2d2 pooled connection.
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pub struct DbConn(pub r2d2::PooledConnection<ConnectionManager<Connection>>);
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pub mod models;
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#[cfg(feature = "sqlite")]
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#[path = "schemas/sqlite/schema.rs"]
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pub mod schema;
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#[cfg(feature = "mysql")]
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#[path = "schemas/mysql/schema.rs"]
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pub mod schema;
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#[cfg(feature = "postgresql")]
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#[path = "schemas/postgresql/schema.rs"]
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pub mod schema;
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/// Initializes a database pool.
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pub fn init_pool() -> Pool {
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let manager = ConnectionManager::new(CONFIG.database_url());
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r2d2::Pool::builder().build(manager).expect("Failed to create pool")
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}
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pub fn get_connection() -> Result<Connection, ConnectionError> {
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Connection::establish(&CONFIG.database_url())
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}
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/// Creates a back-up of the database using sqlite3
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pub fn backup_database() -> Result<(), Error> {
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use std::path::Path;
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let db_url = CONFIG.database_url();
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let db_path = Path::new(&db_url).parent().unwrap();
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let now: DateTime<Utc> = Utc::now();
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let file_date = now.format("%Y%m%d").to_string();
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let backup_command: String = format!("{}{}{}", ".backup 'db_", file_date, ".sqlite3'");
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Command::new("sqlite3")
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.current_dir(db_path)
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.args(&["db.sqlite3", &backup_command])
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.output()
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.expect("Can't open database, sqlite3 is not available, make sure it's installed and available on the PATH");
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Ok(())
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}
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/// Attempts to retrieve a single connection from the managed database pool. If
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/// no pool is currently managed, fails with an `InternalServerError` status. If
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/// no connections are available, fails with a `ServiceUnavailable` status.
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impl<'a, 'r> FromRequest<'a, 'r> for DbConn {
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type Error = ();
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fn from_request(request: &'a Request<'r>) -> request::Outcome<DbConn, ()> {
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let pool = request.guard::<State<Pool>>()?;
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match pool.get() {
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Ok(conn) => Outcome::Success(DbConn(conn)),
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Err(_) => Outcome::Failure((Status::ServiceUnavailable, ())),
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}
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}
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}
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// For the convenience of using an &DbConn as a &Database.
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impl Deref for DbConn {
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type Target = Connection;
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fn deref(&self) -> &Self::Target {
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&self.0
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}
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}
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