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Add support for API keys

This is mainly useful for CLI-based login automation.
Dieser Commit ist enthalten in:
Jeremy Lin 2022-01-19 02:51:26 -08:00
Ursprung 8ba6e61fd5
Commit 69ee4a70b4
13 geänderte Dateien mit 164 neuen und 7 gelöschten Zeilen

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@ -0,0 +1,2 @@
ALTER TABLE users
ADD COLUMN api_key VARCHAR(255);

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@ -0,0 +1,2 @@
ALTER TABLE users
ADD COLUMN api_key TEXT;

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@ -0,0 +1,2 @@
ALTER TABLE users
ADD COLUMN api_key TEXT;

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@ -34,6 +34,8 @@ pub fn routes() -> Vec<rocket::Route> {
password_hint,
prelogin,
verify_password,
api_key,
rotate_api_key,
]
}
@ -647,15 +649,17 @@ fn prelogin(data: JsonUpcase<PreloginData>, conn: DbConn) -> Json<Value> {
"KdfIterations": kdf_iter
}))
}
// https://github.com/bitwarden/server/blob/master/src/Api/Models/Request/Accounts/SecretVerificationRequestModel.cs
#[derive(Deserialize)]
#[allow(non_snake_case)]
struct VerifyPasswordData {
struct SecretVerificationRequest {
MasterPasswordHash: String,
}
#[post("/accounts/verify-password", data = "<data>")]
fn verify_password(data: JsonUpcase<VerifyPasswordData>, headers: Headers) -> EmptyResult {
let data: VerifyPasswordData = data.into_inner().data;
fn verify_password(data: JsonUpcase<SecretVerificationRequest>, headers: Headers) -> EmptyResult {
let data: SecretVerificationRequest = data.into_inner().data;
let user = headers.user;
if !user.check_valid_password(&data.MasterPasswordHash) {
@ -664,3 +668,32 @@ fn verify_password(data: JsonUpcase<VerifyPasswordData>, headers: Headers) -> Em
Ok(())
}
fn _api_key(data: JsonUpcase<SecretVerificationRequest>, rotate: bool, headers: Headers, conn: DbConn) -> JsonResult {
let data: SecretVerificationRequest = data.into_inner().data;
let mut user = headers.user;
if !user.check_valid_password(&data.MasterPasswordHash) {
err!("Invalid password")
}
if rotate || user.api_key.is_none() {
user.api_key = Some(crypto::generate_api_key());
user.save(&conn).expect("Error saving API key");
}
Ok(Json(json!({
"ApiKey": user.api_key,
"Object": "apiKey",
})))
}
#[post("/accounts/api-key", data = "<data>")]
fn api_key(data: JsonUpcase<SecretVerificationRequest>, headers: Headers, conn: DbConn) -> JsonResult {
_api_key(data, false, headers, conn)
}
#[post("/accounts/rotate-api-key", data = "<data>")]
fn rotate_api_key(data: JsonUpcase<SecretVerificationRequest>, headers: Headers, conn: DbConn) -> JsonResult {
_api_key(data, true, headers, conn)
}

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@ -43,6 +43,13 @@ fn login(data: Form<ConnectData>, conn: DbConn, ip: ClientIp) -> JsonResult {
_password_login(data, conn, &ip)
}
"client_credentials" => {
_check_is_some(&data.client_id, "client_id cannot be blank")?;
_check_is_some(&data.client_secret, "client_secret cannot be blank")?;
_check_is_some(&data.scope, "scope cannot be blank")?;
_api_key_login(data, conn, &ip)
}
t => err!("Invalid type", t),
}
}
@ -178,6 +185,75 @@ fn _password_login(data: ConnectData, conn: DbConn, ip: &ClientIp) -> JsonResult
Ok(Json(result))
}
fn _api_key_login(data: ConnectData, conn: DbConn, ip: &ClientIp) -> JsonResult {
// Validate scope
let scope = data.scope.as_ref().unwrap();
if scope != "api" {
err!("Scope not supported")
}
// Ratelimit the login
crate::ratelimit::check_limit_login(&ip.ip)?;
// Get the user via the client_id
let client_id = data.client_id.as_ref().unwrap();
let user_uuid = match client_id.strip_prefix("user.") {
Some(uuid) => uuid,
None => err!("Malformed client_id", format!("IP: {}.", ip.ip)),
};
let user = match User::find_by_uuid(user_uuid, &conn) {
Some(user) => user,
None => err!("Invalid client_id", format!("IP: {}.", ip.ip)),
};
// Check if the user is disabled
if !user.enabled {
err!("This user has been disabled (API key login)", format!("IP: {}. Username: {}.", ip.ip, user.email))
}
// Check API key. Note that API key logins bypass 2FA.
let client_secret = data.client_secret.as_ref().unwrap();
if !user.check_valid_api_key(client_secret) {
err!("Incorrect client_secret", format!("IP: {}. Username: {}.", ip.ip, user.email))
}
let (mut device, new_device) = get_device(&data, &conn, &user);
if CONFIG.mail_enabled() && new_device {
let now = Utc::now().naive_utc();
if let Err(e) = mail::send_new_device_logged_in(&user.email, &ip.ip.to_string(), &now, &device.name) {
error!("Error sending new device email: {:#?}", e);
if CONFIG.require_device_email() {
err!("Could not send login notification email. Please contact your administrator.")
}
}
}
// Common
let orgs = UserOrganization::find_confirmed_by_user(&user.uuid, &conn);
let (access_token, expires_in) = device.refresh_tokens(&user, orgs);
device.save(&conn)?;
info!("User {} logged in successfully via API key. IP: {}", user.email, ip.ip);
Ok(Json(json!({
"access_token": access_token,
"expires_in": expires_in,
"token_type": "Bearer",
"refresh_token": device.refresh_token,
"Key": user.akey,
"PrivateKey": user.private_key,
"Kdf": user.client_kdf_type,
"KdfIterations": user.client_kdf_iter,
"ResetMasterPassword": false, // TODO: Same as above
"scope": "api",
"unofficialServer": true,
})))
}
/// Retrieves an existing device or creates a new device from ConnectData and the User
fn get_device(data: &ConnectData, conn: &DbConn, user: &User) -> (Device, bool) {
// On iOS, device_type sends "iOS", on others it sends a number
@ -374,17 +450,20 @@ fn _json_err_twofactor(providers: &[i32], user_uuid: &str, conn: &DbConn) -> Api
Ok(result)
}
// https://github.com/bitwarden/jslib/blob/master/common/src/models/request/tokenRequest.ts
// https://github.com/bitwarden/mobile/blob/master/src/Core/Models/Request/TokenRequest.cs
#[derive(Debug, Clone, Default)]
#[allow(non_snake_case)]
struct ConnectData {
grant_type: String, // refresh_token, password
// refresh_token, password, client_credentials (API key)
grant_type: String,
// Needed for grant_type="refresh_token"
refresh_token: Option<String>,
// Needed for grant_type="password"
// Needed for grant_type = "password" | "client_credentials"
client_id: Option<String>, // web, cli, desktop, browser, mobile
client_secret: Option<String>, // API key login (cli only)
password: Option<String>,
scope: Option<String>,
username: Option<String>,
@ -414,6 +493,7 @@ impl<'f> FromForm<'f> for ConnectData {
"granttype" => form.grant_type = value,
"refreshtoken" => form.refresh_token = Some(value),
"clientid" => form.client_id = Some(value),
"clientsecret" => form.client_secret = Some(value),
"password" => form.password = Some(value),
"scope" => form.scope = Some(value),
"username" => form.username = Some(value),

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@ -51,6 +51,28 @@ pub fn get_random(mut array: Vec<u8>) -> Vec<u8> {
array
}
/// Generates a random string over a specified alphabet.
pub fn get_random_string(alphabet: &[u8], num_chars: usize) -> String {
// Ref: https://rust-lang-nursery.github.io/rust-cookbook/algorithms/randomness.html
use rand::Rng;
let mut rng = rand::thread_rng();
(0..num_chars)
.map(|_| {
let i = rng.gen_range(0..alphabet.len());
alphabet[i] as char
})
.collect()
}
/// Generates a random alphanumeric string.
pub fn get_random_string_alphanum(num_chars: usize) -> String {
const ALPHABET: &[u8] = b"ABCDEFGHIJKLMNOPQRSTUVWXYZ\
abcdefghijklmnopqrstuvwxyz\
0123456789";
get_random_string(ALPHABET, num_chars)
}
pub fn generate_id(num_bytes: usize) -> String {
HEXLOWER.encode(&get_random(vec![0; num_bytes]))
}
@ -84,6 +106,12 @@ pub fn generate_token(token_size: u32) -> Result<String, Error> {
Ok(token)
}
/// Generates a personal API key.
/// Upstream uses 30 chars, which is ~178 bits of entropy.
pub fn generate_api_key() -> String {
get_random_string_alphanum(30)
}
//
// Constant time compare
//

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@ -44,8 +44,9 @@ db_object! {
pub client_kdf_type: i32,
pub client_kdf_iter: i32,
}
pub api_key: Option<String>,
}
#[derive(Identifiable, Queryable, Insertable)]
#[table_name = "invitations"]
@ -110,6 +111,8 @@ impl User {
client_kdf_type: Self::CLIENT_KDF_TYPE_DEFAULT,
client_kdf_iter: Self::CLIENT_KDF_ITER_DEFAULT,
api_key: None,
}
}
@ -130,6 +133,10 @@ impl User {
}
}
pub fn check_valid_api_key(&self, key: &str) -> bool {
matches!(self.api_key, Some(ref api_key) if crate::crypto::ct_eq(api_key, key))
}
/// Set the password hash generated
/// And resets the security_stamp. Based upon the allow_next_route the security_stamp will be different.
///

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@ -178,6 +178,7 @@ table! {
excluded_globals -> Text,
client_kdf_type -> Integer,
client_kdf_iter -> Integer,
api_key -> Nullable<Text>,
}
}

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@ -178,6 +178,7 @@ table! {
excluded_globals -> Text,
client_kdf_type -> Integer,
client_kdf_iter -> Integer,
api_key -> Nullable<Text>,
}
}

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@ -178,6 +178,7 @@ table! {
excluded_globals -> Text,
client_kdf_type -> Integer,
client_kdf_iter -> Integer,
api_key -> Nullable<Text>,
}
}