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|
use std::collections::HashMap;
use std::net::{IpAddr, Ipv4Addr, SocketAddr};
use rocket::request::{self, Form, FormItems, FromForm, FromRequest, Request};
use rocket::{Outcome, Route};
use rocket_contrib::{Json, Value};
use num_traits::FromPrimitive;
use db::models::*;
use db::DbConn;
use util::{self, JsonMap};
use api::{ApiResult, JsonResult};
use CONFIG;
pub fn routes() -> Vec<Route> {
routes![login]
}
#[post("/connect/token", data = "<connect_data>")]
fn login(connect_data: Form<ConnectData>, device_type: DeviceType, conn: DbConn, socket: Option<SocketAddr>) -> JsonResult {
let data = connect_data.get();
match data.grant_type {
GrantType::RefreshToken => _refresh_login(data, device_type, conn),
GrantType::Password => _password_login(data, device_type, conn, socket),
}
}
fn _refresh_login(data: &ConnectData, _device_type: DeviceType, conn: DbConn) -> JsonResult {
// Extract token
let token = data.get("refresh_token");
// Get device by refresh token
let mut device = match Device::find_by_refresh_token(token, &conn) {
Some(device) => device,
None => err!("Invalid refresh token"),
};
// COMMON
let user = User::find_by_uuid(&device.user_uuid, &conn).unwrap();
let orgs = UserOrganization::find_by_user(&user.uuid, &conn);
let (access_token, expires_in) = device.refresh_tokens(&user, orgs);
device.save(&conn);
Ok(Json(json!({
"access_token": access_token,
"expires_in": expires_in,
"token_type": "Bearer",
"refresh_token": device.refresh_token,
"Key": user.key,
"PrivateKey": user.private_key,
})))
}
fn _password_login(data: &ConnectData, device_type: DeviceType, conn: DbConn, remote: Option<SocketAddr>) -> JsonResult {
// Get the ip for error reporting
let ip = match remote {
Some(ip) => ip.ip(),
None => IpAddr::V4(Ipv4Addr::new(0, 0, 0, 0)),
};
// Validate scope
let scope = data.get("scope");
if scope != "api offline_access" {
err!("Scope not supported")
}
// Get the user
let username = data.get("username");
let user = match User::find_by_mail(username, &conn) {
Some(user) => user,
None => err!(format!(
"Username or password is incorrect. Try again. IP: {}. Username: {}.",
ip, username
)),
};
// Check password
let password = data.get("password");
if !user.check_valid_password(password) {
err!(format!(
"Username or password is incorrect. Try again. IP: {}. Username: {}.",
ip, username
))
}
// Let's only use the header and ignore the 'devicetype' parameter
let device_type_num = device_type.0;
let (device_id, device_name) = if data.is_device {
(
data.get("deviceidentifier").clone(),
data.get("devicename").clone(),
)
} else {
(format!("web-{}", user.uuid), String::from("web"))
};
// Find device or create new
let mut device = match Device::find_by_uuid(&device_id, &conn) {
Some(device) => {
// Check if valid device
if device.user_uuid != user.uuid {
device.delete(&conn);
err!("Device is not owned by user")
}
device
}
None => {
// Create new device
Device::new(device_id, user.uuid.clone(), device_name, device_type_num)
}
};
let twofactor_token = twofactor_auth(&user.uuid, &data, &mut device, &conn)?;
// Common
let user = User::find_by_uuid(&device.user_uuid, &conn).unwrap();
let orgs = UserOrganization::find_by_user(&user.uuid, &conn);
let (access_token, expires_in) = device.refresh_tokens(&user, orgs);
device.save(&conn);
let mut result = json!({
"access_token": access_token,
"expires_in": expires_in,
"token_type": "Bearer",
"refresh_token": device.refresh_token,
"Key": user.key,
"PrivateKey": user.private_key,
//"TwoFactorToken": "11122233333444555666777888999"
});
if let Some(token) = twofactor_token {
result["TwoFactorToken"] = Value::String(token);
}
Ok(Json(result))
}
fn twofactor_auth(
user_uuid: &str,
data: &ConnectData,
device: &mut Device,
conn: &DbConn,
) -> ApiResult<Option<String>> {
let twofactors_raw = TwoFactor::find_by_user(user_uuid, conn);
// Remove u2f challenge twofactors (impl detail)
let twofactors: Vec<_> = twofactors_raw.iter().filter(|tf| tf.type_ < 1000).collect();
let providers: Vec<_> = twofactors.iter().map(|tf| tf.type_).collect();
// No twofactor token if twofactor is disabled
if twofactors.len() == 0 {
return Ok(None);
}
let provider = match util::try_parse_string(data.get_opt("twoFactorProvider")) {
Some(provider) => provider,
None => providers[0], // If we aren't given a two factor provider, asume the first one
};
let twofactor_code = match data.get_opt("twoFactorToken") {
Some(code) => code,
None => err_json!(_json_err_twofactor(&providers, user_uuid, conn)?),
};
let twofactor = twofactors.iter().filter(|tf| tf.type_ == provider).nth(0);
match TwoFactorType::from_i32(provider) {
Some(TwoFactorType::Remember) => {
match &device.twofactor_remember {
Some(remember) if remember == twofactor_code => return Ok(None), // No twofactor token needed here
_ => err_json!(_json_err_twofactor(&providers, user_uuid, conn)?),
}
}
Some(TwoFactorType::Authenticator) => {
let twofactor = match twofactor {
Some(tf) => tf,
None => err!("TOTP not enabled"),
};
let totp_code: u64 = match twofactor_code.parse() {
Ok(code) => code,
_ => err!("Invalid TOTP code"),
};
if !twofactor.check_totp_code(totp_code) {
err_json!(_json_err_twofactor(&providers, user_uuid, conn)?)
}
}
Some(TwoFactorType::U2f) => {
use api::core::two_factor;
two_factor::validate_u2f_login(user_uuid, twofactor_code, conn)?;
}
_ => err!("Invalid two factor provider"),
}
if util::try_parse_string_or(data.get_opt("twoFactorRemember"), 0) == 1 {
Ok(Some(device.refresh_twofactor_remember()))
} else {
device.delete_twofactor_remember();
Ok(None)
}
}
fn _json_err_twofactor(providers: &[i32], user_uuid: &str, conn: &DbConn) -> ApiResult<Value> {
use api::core::two_factor;
let mut result = json!({
"error" : "invalid_grant",
"error_description" : "Two factor required.",
"TwoFactorProviders" : providers,
"TwoFactorProviders2" : {} // { "0" : null }
});
for provider in providers {
result["TwoFactorProviders2"][provider.to_string()] = Value::Null;
match TwoFactorType::from_i32(*provider) {
Some(TwoFactorType::Authenticator) => { /* Nothing to do for TOTP */ }
Some(TwoFactorType::U2f) if CONFIG.domain_set => {
let request = two_factor::generate_u2f_login(user_uuid, conn)?;
let mut challenge_list = Vec::new();
for key in request.registered_keys {
let mut challenge_map = JsonMap::new();
challenge_map.insert("appId".into(), Value::String(request.app_id.clone()));
challenge_map
.insert("challenge".into(), Value::String(request.challenge.clone()));
challenge_map.insert("version".into(), Value::String(key.version));
challenge_map.insert(
"keyHandle".into(),
Value::String(key.key_handle.unwrap_or_default()),
);
challenge_list.push(Value::Object(challenge_map));
}
let mut map = JsonMap::new();
use serde_json;
let challenge_list_str = serde_json::to_string(&challenge_list).unwrap();
map.insert("Challenges".into(), Value::String(challenge_list_str));
result["TwoFactorProviders2"][provider.to_string()] = Value::Object(map);
}
_ => {}
}
}
Ok(result)
}
#[derive(Clone, Copy)]
struct DeviceType(i32);
impl<'a, 'r> FromRequest<'a, 'r> for DeviceType {
type Error = &'static str;
fn from_request(request: &'a Request<'r>) -> request::Outcome<Self, Self::Error> {
let headers = request.headers();
let type_opt = headers.get_one("Device-Type");
let type_num = util::try_parse_string_or(type_opt, 0);
Outcome::Success(DeviceType(type_num))
}
}
#[derive(Debug)]
struct ConnectData {
grant_type: GrantType,
is_device: bool,
data: HashMap<String, String>,
}
#[derive(Debug, Copy, Clone)]
enum GrantType {
RefreshToken,
Password,
}
impl ConnectData {
fn get(&self, key: &str) -> &String {
&self.data[&key.to_lowercase()]
}
fn get_opt(&self, key: &str) -> Option<&String> {
self.data.get(&key.to_lowercase())
}
}
const VALUES_REFRESH: [&str; 1] = ["refresh_token"];
const VALUES_PASSWORD: [&str; 5] = ["client_id", "grant_type", "password", "scope", "username"];
const VALUES_DEVICE: [&str; 3] = ["deviceidentifier", "devicename", "devicetype"];
impl<'f> FromForm<'f> for ConnectData {
type Error = String;
fn from_form(items: &mut FormItems<'f>, _strict: bool) -> Result<Self, Self::Error> {
let mut data = HashMap::new();
// Insert data into map
for (key, value) in items {
match (key.url_decode(), value.url_decode()) {
(Ok(key), Ok(value)) => data.insert(key.to_lowercase(), value),
_ => return Err("Error decoding key or value".to_string()),
};
}
// Validate needed values
let (grant_type, is_device) = match data.get("grant_type").map(String::as_ref) {
Some("refresh_token") => {
check_values(&data, &VALUES_REFRESH)?;
(GrantType::RefreshToken, false) // Device doesn't matter here
}
Some("password") => {
check_values(&data, &VALUES_PASSWORD)?;
let is_device = match data["client_id"].as_ref() {
"browser" | "mobile" => check_values(&data, &VALUES_DEVICE)?,
_ => false,
};
(GrantType::Password, is_device)
}
_ => return Err("Grant type not supported".to_string()),
};
Ok(ConnectData {
grant_type,
is_device,
data,
})
}
}
fn check_values(map: &HashMap<String, String>, values: &[&str]) -> Result<bool, String> {
for value in values {
if !map.contains_key(*value) {
return Err(format!("{} cannot be blank", value));
}
}
Ok(true)
}
|