use std::ops::Deref;
use std::str::FromStr;
use actix_web::http::{header, StatusCode};
use actix_web::{
get, post, web, HttpRequest, HttpResponse, HttpResponseBuilder, ResponseError, Scope,
};
use chrono::Duration;
use exun::{Expect, RawUnexpected, ResultErrorExt, UnexpectedError};
use raise::yeet;
use serde::{Deserialize, Serialize};
use sqlx::MySqlPool;
use tera::Tera;
use thiserror::Error;
use unic_langid::subtags::Language;
use url::Url;
use uuid::Uuid;
use crate::models::client::ClientType;
use crate::resources::{languages, templates};
use crate::scopes;
use crate::services::jwt::VerifyJwtError;
use crate::services::{authorization, config, db, jwt};
const REALLY_BAD_ERROR_PAGE: &str = "<!DOCTYPE html><html><head><title>Internal Server Error</title></head><body>Internal Server Error</body></html>";
#[derive(Debug, Clone, Copy, PartialEq, Eq, Serialize, Deserialize)]
#[serde(rename_all = "snake_case")]
enum ResponseType {
Code,
Token,
#[serde(other)]
Unsupported,
}
#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct AuthorizationParameters {
response_type: ResponseType,
client_id: Box<str>,
redirect_uri: Option<Url>,
scope: Option<Box<str>>,
state: Option<Box<str>>,
}
#[derive(Clone, Deserialize)]
struct AuthorizeCredentials {
username: Box<str>,
password: Box<str>,
}
#[derive(Clone, Serialize)]
struct AuthCodeResponse {
code: Box<str>,
state: Option<Box<str>>,
}
#[derive(Clone, Serialize)]
struct AuthTokenResponse {
access_token: Box<str>,
token_type: &'static str,
expires_in: i64,
scope: Box<str>,
state: Option<Box<str>>,
}
#[derive(Debug, Clone, Copy, PartialEq, Eq, Hash, Serialize)]
#[serde(rename_all = "camelCase")]
enum AuthorizeErrorType {
InvalidRequest,
UnauthorizedClient,
AccessDenied,
UnsupportedResponseType,
InvalidScope,
ServerError,
TemporarilyUnavailable,
}
#[derive(Debug, Clone, Error, Serialize)]
#[error("{error_description}")]
struct AuthorizeError {
error: AuthorizeErrorType,
error_description: Box<str>,
// TODO error uri
state: Option<Box<str>>,
#[serde(skip)]
redirect_uri: Url,
}
impl AuthorizeError {
fn no_scope(redirect_uri: Url, state: Option<Box<str>>) -> Self {
Self {
error: AuthorizeErrorType::InvalidScope,
error_description: Box::from(
"No scope was provided, and the client does not have a default scope",
),
state,
redirect_uri,
}
}
fn unsupported_response_type(redirect_uri: Url, state: Option<Box<str>>) -> Self {
Self {
error: AuthorizeErrorType::UnsupportedResponseType,
error_description: Box::from("The given response type is not supported"),
state,
redirect_uri,
}
}
fn invalid_scope(redirect_uri: Url, state: Option<Box<str>>) -> Self {
Self {
error: AuthorizeErrorType::InvalidScope,
error_description: Box::from("The given scope exceeds what the client is allowed"),
state,
redirect_uri,
}
}
fn internal_server_error(redirect_uri: Url, state: Option<Box<str>>) -> Self {
Self {
error: AuthorizeErrorType::ServerError,
error_description: "An unexpected error occurred".into(),
state,
redirect_uri,
}
}
}
impl ResponseError for AuthorizeError {
fn error_response(&self) -> HttpResponse<actix_web::body::BoxBody> {
let query = Some(serde_urlencoded::to_string(self).unwrap());
let query = query.as_deref();
let mut url = self.redirect_uri.clone();
url.set_query(query);
HttpResponse::Found()
.insert_header((header::LOCATION, url.as_str()))
.finish()
}
}
fn error_page(
tera: &Tera,
translations: &languages::Translations,
error: templates::ErrorPage,
) -> Result<String, RawUnexpected> {
// TODO find a better way of doing languages
let language = Language::from_str("en").unwrap();
let translations = translations.clone();
let page = templates::error_page(&tera, language, translations, error)?;
Ok(page)
}
async fn get_redirect_uri(
redirect_uri: &Option<Url>,
db: &MySqlPool,
client_id: Uuid,
) -> Result<Url, Expect<templates::ErrorPage>> {
if let Some(uri) = &redirect_uri {
let redirect_uri = uri.clone();
if !db::client_has_redirect_uri(db, client_id, &redirect_uri)
.await
.map_err(|e| UnexpectedError::from(e))
.unexpect()?
{
yeet!(Expect::Expected(templates::ErrorPage::InvalidRedirectUri));
}
Ok(redirect_uri)
} else {
let redirect_uris = db::get_client_redirect_uris(db, client_id)
.await
.map_err(|e| UnexpectedError::from(e))
.unexpect()?;
if redirect_uris.len() != 1 {
yeet!(Expect::Expected(templates::ErrorPage::MissingRedirectUri));
}
Ok(redirect_uris.get(0).unwrap().clone())
}
}
async fn get_scope(
scope: &Option<Box<str>>,
db: &MySqlPool,
client_id: Uuid,
redirect_uri: &Url,
state: &Option<Box<str>>,
) -> Result<Box<str>, Expect<AuthorizeError>> {
let scope = if let Some(scope) = &scope {
scope.clone()
} else {
let default_scopes = db::get_client_default_scopes(db, client_id)
.await
.unwrap()
.unwrap();
let Some(scope) = default_scopes else {
yeet!(AuthorizeError::no_scope(redirect_uri.clone(), state.clone()).into())
};
scope
};
// verify scope is valid
let allowed_scopes = db::get_client_allowed_scopes(db, client_id)
.await
.unwrap()
.unwrap();
if !scopes::is_subset_of(&scope, &allowed_scopes) {
yeet!(AuthorizeError::invalid_scope(redirect_uri.clone(), state.clone()).into());
}
Ok(scope)
}
async fn authenticate_user(
db: &MySqlPool,
username: &str,
password: &str,
) -> Result<bool, RawUnexpected> {
let Some(user) = db::get_user_by_username(db, username).await? else {
return Ok(false);
};
Ok(user.check_password(password)?)
}
#[post("/authorize")]
async fn authorize(
db: web::Data<MySqlPool>,
req: web::Query<AuthorizationParameters>,
credentials: web::Json<AuthorizeCredentials>,
tera: web::Data<Tera>,
translations: web::Data<languages::Translations>,
) -> HttpResponse {
// TODO handle internal server error
// TODO protect against brute force attacks
let db = db.get_ref();
let Ok(client_id) = db::get_client_id_by_alias(db, &req.client_id).await else {
let page = error_page(&tera, &translations, templates::ErrorPage::InternalServerError).unwrap_or_else(|_| String::from(REALLY_BAD_ERROR_PAGE));
return HttpResponse::InternalServerError().content_type("text/html").body(page);
};
let Some(client_id) = client_id else {
let page = error_page(&tera, &translations, templates::ErrorPage::ClientNotFound).unwrap_or_else(|_| String::from(REALLY_BAD_ERROR_PAGE));
return HttpResponse::NotFound().content_type("text/html").body(page);
};
let Ok(config) = config::get_config() else {
let page = error_page(&tera, &translations, templates::ErrorPage::InternalServerError).unwrap_or_else(|_| String::from(REALLY_BAD_ERROR_PAGE));
return HttpResponse::InternalServerError().content_type("text/html").body(page);
};
let self_id = config.id;
let state = req.state.clone();
// get redirect uri
let mut redirect_uri = match get_redirect_uri(&req.redirect_uri, db, client_id).await {
Ok(uri) => uri,
Err(e) => {
let e = e
.expected()
.unwrap_or(templates::ErrorPage::InternalServerError);
let page = error_page(&tera, &translations, e)
.unwrap_or_else(|_| String::from(REALLY_BAD_ERROR_PAGE));
return HttpResponse::BadRequest()
.content_type("text/html")
.body(page);
}
};
// authenticate user
if !authenticate_user(db, &credentials.username, &credentials.password)
.await
.unwrap()
{
let language = Language::from_str("en").unwrap();
let translations = translations.get_ref().clone();
let page = templates::login_error_page(&tera, &req, language, translations).unwrap();
return HttpResponse::Ok().content_type("text/html").body(page);
};
// get scope
let scope = match get_scope(&req.scope, db, client_id, &redirect_uri, &state).await {
Ok(scope) => scope,
Err(e) => {
let e = e.unwrap();
return e.error_response();
}
};
match req.response_type {
ResponseType::Code => {
// create auth code
let code = jwt::Claims::auth_code(db, &self_id, client_id, &scope, &redirect_uri)
.await
.unwrap();
let code = code.to_jwt().unwrap();
let response = AuthCodeResponse { code, state };
let query = Some(serde_urlencoded::to_string(response).unwrap());
let query = query.as_deref();
redirect_uri.set_query(query);
HttpResponse::Found()
.append_header((header::LOCATION, redirect_uri.as_str()))
.finish()
}
ResponseType::Token => {
// create access token
let duration = Duration::hours(1);
let access_token =
jwt::Claims::access_token(db, None, &self_id, client_id, duration, &scope)
.await
.unwrap();
let access_token = access_token.to_jwt().unwrap();
let expires_in = duration.num_seconds();
let token_type = "bearer";
let response = AuthTokenResponse {
access_token,
expires_in,
token_type,
scope,
state,
};
let fragment = Some(serde_urlencoded::to_string(response).unwrap());
let fragment = fragment.as_deref();
redirect_uri.set_fragment(fragment);
HttpResponse::Found()
.append_header((header::LOCATION, redirect_uri.as_str()))
.finish()
}
_ => AuthorizeError::invalid_scope(redirect_uri, state).error_response(),
}
}
#[get("/authorize")]
async fn authorize_page(
db: web::Data<MySqlPool>,
tera: web::Data<Tera>,
translations: web::Data<languages::Translations>,
request: HttpRequest,
) -> HttpResponse {
// TODO handle internal server error
let Ok(language) = Language::from_str("en") else {
let page = String::from(REALLY_BAD_ERROR_PAGE);
return HttpResponse::InternalServerError()
.content_type("text/html")
.body(page);
};
let translations = translations.get_ref().clone();
let params = request.query_string();
let params = serde_urlencoded::from_str::<AuthorizationParameters>(params);
let Ok(params) = params else {
let page = error_page(
&tera,
&translations,
templates::ErrorPage::InvalidRequest,
)
.unwrap_or_else(|_| String::from(REALLY_BAD_ERROR_PAGE));
return HttpResponse::BadRequest()
.content_type("text/html")
.body(page);
};
let db = db.get_ref();
let Ok(client_id) = db::get_client_id_by_alias(db, ¶ms.client_id).await else {
let page = templates::error_page(
&tera,
language,
translations,
templates::ErrorPage::InternalServerError,
)
.unwrap_or_else(|_| String::from(REALLY_BAD_ERROR_PAGE));
return HttpResponse::InternalServerError()
.content_type("text/html")
.body(page);
};
let Some(client_id) = client_id else {
let page = templates::error_page(
&tera,
language,
translations,
templates::ErrorPage::ClientNotFound,
)
.unwrap_or_else(|_| String::from(REALLY_BAD_ERROR_PAGE));
return HttpResponse::NotFound()
.content_type("text/html")
.body(page);
};
// verify redirect uri
let redirect_uri = match get_redirect_uri(¶ms.redirect_uri, db, client_id).await {
Ok(uri) => uri,
Err(e) => {
let e = e
.expected()
.unwrap_or(templates::ErrorPage::InternalServerError);
let page = error_page(&tera, &translations, e)
.unwrap_or_else(|_| String::from(REALLY_BAD_ERROR_PAGE));
return HttpResponse::BadRequest()
.content_type("text/html")
.body(page);
}
};
// verify scope
let _ = match get_scope(¶ms.scope, db, client_id, &redirect_uri, ¶ms.state).await {
Ok(scope) => scope,
Err(e) => {
let e = e.unwrap();
return e.error_response();
}
};
// verify response type
if params.response_type == ResponseType::Unsupported {
return AuthorizeError::unsupported_response_type(redirect_uri, params.state)
.error_response();
}
// TODO find a better way of doing languages
let language = Language::from_str("en").unwrap();
let page = templates::login_page(&tera, ¶ms, language, translations).unwrap();
HttpResponse::Ok().content_type("text/html").body(page)
}
#[derive(Clone, Deserialize)]
#[serde(tag = "grant_type")]
#[serde(rename_all = "snake_case")]
enum GrantType {
AuthorizationCode {
code: Box<str>,
redirect_uri: Url,
#[serde(rename = "client_id")]
client_alias: Box<str>,
},
Password {
username: Box<str>,
password: Box<str>,
scope: Option<Box<str>>,
},
ClientCredentials {
scope: Option<Box<str>>,
},
RefreshToken {
refresh_token: Box<str>,
scope: Option<Box<str>>,
},
#[serde(other)]
Unsupported,
}
#[derive(Clone, Deserialize)]
struct TokenRequest {
#[serde(flatten)]
grant_type: GrantType,
// TODO support optional client credentials in here
}
#[derive(Clone, Serialize)]
struct TokenResponse {
access_token: Box<str>,
token_type: Box<str>,
expires_in: i64,
refresh_token: Option<Box<str>>,
scope: Box<str>,
}
#[derive(Debug, Clone, Serialize)]
#[serde(rename_all = "snake_case")]
enum TokenErrorType {
InvalidRequest,
InvalidClient,
InvalidGrant,
UnauthorizedClient,
UnsupportedGrantType,
InvalidScope,
}
#[derive(Debug, Clone, Error, Serialize)]
#[error("{error_description}")]
struct TokenError {
#[serde(skip)]
status_code: StatusCode,
error: TokenErrorType,
error_description: Box<str>,
// TODO error uri
}
impl TokenError {
fn invalid_request() -> Self {
// TODO make this description better, and all the other ones while you're at it
Self {
status_code: StatusCode::BAD_REQUEST,
error: TokenErrorType::InvalidRequest,
error_description: "Invalid request".into(),
}
}
fn unsupported_grant_type() -> Self {
Self {
status_code: StatusCode::BAD_REQUEST,
error: TokenErrorType::UnsupportedGrantType,
error_description: "The given grant type is not supported".into(),
}
}
fn bad_auth_code(error: VerifyJwtError) -> Self {
Self {
status_code: StatusCode::BAD_REQUEST,
error: TokenErrorType::InvalidGrant,
error_description: error.to_string().into_boxed_str(),
}
}
fn no_authorization() -> Self {
Self {
status_code: StatusCode::UNAUTHORIZED,
error: TokenErrorType::InvalidClient,
error_description: Box::from(
"Client credentials must be provided in the HTTP Authorization header",
),
}
}
fn client_not_found(alias: &str) -> Self {
Self {
status_code: StatusCode::UNAUTHORIZED,
error: TokenErrorType::InvalidClient,
error_description: format!("No client with the client id: {alias} was found")
.into_boxed_str(),
}
}
fn mismatch_client_id() -> Self {
Self {
status_code: StatusCode::UNAUTHORIZED,
error: TokenErrorType::InvalidClient,
error_description: Box::from("The client ID in the Authorization header is not the same as the client ID in the request body"),
}
}
fn incorrect_client_secret() -> Self {
Self {
status_code: StatusCode::UNAUTHORIZED,
error: TokenErrorType::InvalidClient,
error_description: "The client secret is incorrect".into(),
}
}
fn client_not_confidential(alias: &str) -> Self {
Self {
status_code: StatusCode::BAD_REQUEST,
error: TokenErrorType::UnauthorizedClient,
error_description: format!("Only a confidential client may be used with this endpoint. The {alias} client is a public client.")
.into_boxed_str(),
}
}
fn no_scope() -> Self {
Self {
status_code: StatusCode::BAD_REQUEST,
error: TokenErrorType::InvalidScope,
error_description: Box::from(
"No scope was provided, and the client doesn't have a default scope",
),
}
}
fn excessive_scope() -> Self {
Self {
status_code: StatusCode::BAD_REQUEST,
error: TokenErrorType::InvalidScope,
error_description: Box::from(
"The given scope exceeds what the client is allowed to have",
),
}
}
fn bad_refresh_token(err: VerifyJwtError) -> Self {
Self {
status_code: StatusCode::BAD_REQUEST,
error: TokenErrorType::InvalidGrant,
error_description: err.to_string().into_boxed_str(),
}
}
fn untrusted_client() -> Self {
Self {
status_code: StatusCode::UNAUTHORIZED,
error: TokenErrorType::InvalidClient,
error_description: "Only trusted clients may use this grant".into(),
}
}
fn incorrect_user_credentials() -> Self {
Self {
status_code: StatusCode::BAD_REQUEST,
error: TokenErrorType::InvalidRequest,
error_description: "The given credentials are incorrect".into(),
}
}
}
impl ResponseError for TokenError {
fn error_response(&self) -> HttpResponse<actix_web::body::BoxBody> {
let cache_control = header::CacheControl(vec![header::CacheDirective::NoStore]);
let mut builder = HttpResponseBuilder::new(self.status_code);
if self.status_code.as_u16() == 401 {
builder.insert_header((header::WWW_AUTHENTICATE, "Basic charset=\"UTF-8\""));
}
builder
.insert_header(cache_control)
.insert_header((header::PRAGMA, "no-cache"))
.json(self.clone())
}
}
#[post("/token")]
async fn token(
db: web::Data<MySqlPool>,
req: web::Bytes,
authorization: Option<web::Header<authorization::BasicAuthorization>>,
) -> HttpResponse {
// TODO protect against brute force attacks
let db = db.get_ref();
let request = serde_json::from_slice::<TokenRequest>(&req);
let Ok(request) = request else {
return TokenError::invalid_request().error_response();
};
let config = config::get_config().unwrap();
let self_id = config.id;
let duration = Duration::hours(1);
let token_type = Box::from("bearer");
let cache_control = header::CacheControl(vec![header::CacheDirective::NoStore]);
match request.grant_type {
GrantType::AuthorizationCode {
code,
redirect_uri,
client_alias,
} => {
let Some(client_id) = db::get_client_id_by_alias(db, &client_alias).await.unwrap() else {
return TokenError::client_not_found(&client_alias).error_response();
};
// validate auth code
let claims =
match jwt::verify_auth_code(db, &code, &self_id, client_id, redirect_uri).await {
Ok(claims) => claims,
Err(err) => {
let err = err.unwrap();
return TokenError::bad_auth_code(err).error_response();
}
};
// verify client, if the client has credentials
if let Some(hash) = db::get_client_secret(db, client_id).await.unwrap() {
let Some(authorization) = authorization else {
return TokenError::no_authorization().error_response();
};
if authorization.username() != client_alias.deref() {
return TokenError::mismatch_client_id().error_response();
}
if !hash.check_password(authorization.password()).unwrap() {
return TokenError::incorrect_client_secret().error_response();
}
}
let access_token = jwt::Claims::access_token(
db,
Some(claims.id()),
&self_id,
client_id,
duration,
claims.scopes(),
)
.await
.unwrap();
let expires_in = access_token.expires_in();
let refresh_token = jwt::Claims::refresh_token(db, &access_token).await.unwrap();
let scope = access_token.scopes().into();
let access_token = access_token.to_jwt().unwrap();
let refresh_token = Some(refresh_token.to_jwt().unwrap());
let response = TokenResponse {
access_token,
token_type,
expires_in,
refresh_token,
scope,
};
HttpResponse::Ok()
.insert_header(cache_control)
.insert_header((header::PRAGMA, "no-cache"))
.json(response)
}
GrantType::Password {
username,
password,
scope,
} => {
let Some(authorization) = authorization else {
return TokenError::no_authorization().error_response();
};
let client_alias = authorization.username();
let Some(client_id) = db::get_client_id_by_alias(db, client_alias).await.unwrap() else {
return TokenError::client_not_found(client_alias).error_response();
};
let trusted = db::is_client_trusted(db, client_id).await.unwrap().unwrap();
if !trusted {
return TokenError::untrusted_client().error_response();
}
// verify client
let hash = db::get_client_secret(db, client_id).await.unwrap().unwrap();
if !hash.check_password(authorization.password()).unwrap() {
return TokenError::incorrect_client_secret().error_response();
}
// authenticate user
if !authenticate_user(db, &username, &password).await.unwrap() {
return TokenError::incorrect_user_credentials().error_response();
};
// verify scope
let allowed_scopes = db::get_client_allowed_scopes(db, client_id)
.await
.unwrap()
.unwrap();
let scope = if let Some(scope) = &scope {
scope.clone()
} else {
let default_scopes = db::get_client_default_scopes(db, client_id)
.await
.unwrap()
.unwrap();
let Some(scope) = default_scopes else {
return TokenError::no_scope().error_response();
};
scope
};
if !scopes::is_subset_of(&scope, &allowed_scopes) {
return TokenError::excessive_scope().error_response();
}
let access_token =
jwt::Claims::access_token(db, None, &self_id, client_id, duration, &scope)
.await
.unwrap();
let refresh_token = jwt::Claims::refresh_token(db, &access_token).await.unwrap();
let expires_in = access_token.expires_in();
let scope = access_token.scopes().into();
let access_token = access_token.to_jwt().unwrap();
let refresh_token = Some(refresh_token.to_jwt().unwrap());
let response = TokenResponse {
access_token,
token_type,
expires_in,
refresh_token,
scope,
};
HttpResponse::Ok()
.insert_header(cache_control)
.insert_header((header::PRAGMA, "no-cache"))
.json(response)
}
GrantType::ClientCredentials { scope } => {
let Some(authorization) = authorization else {
return TokenError::no_authorization().error_response();
};
let client_alias = authorization.username();
let Some(client_id) = db::get_client_id_by_alias(db, client_alias).await.unwrap() else {
return TokenError::client_not_found(client_alias).error_response();
};
let ty = db::get_client_type(db, client_id).await.unwrap().unwrap();
if ty != ClientType::Confidential {
return TokenError::client_not_confidential(client_alias).error_response();
}
// verify client
let hash = db::get_client_secret(db, client_id).await.unwrap().unwrap();
if !hash.check_password(authorization.password()).unwrap() {
return TokenError::incorrect_client_secret().error_response();
}
// verify scope
let allowed_scopes = db::get_client_allowed_scopes(db, client_id)
.await
.unwrap()
.unwrap();
let scope = if let Some(scope) = &scope {
scope.clone()
} else {
let default_scopes = db::get_client_default_scopes(db, client_id)
.await
.unwrap()
.unwrap();
let Some(scope) = default_scopes else {
return TokenError::no_scope().error_response();
};
scope
};
if !scopes::is_subset_of(&scope, &allowed_scopes) {
return TokenError::excessive_scope().error_response();
}
let access_token =
jwt::Claims::access_token(db, None, &self_id, client_id, duration, &scope)
.await
.unwrap();
let expires_in = access_token.expires_in();
let scope = access_token.scopes().into();
let access_token = access_token.to_jwt().unwrap();
let response = TokenResponse {
access_token,
token_type,
expires_in,
refresh_token: None,
scope,
};
HttpResponse::Ok()
.insert_header(cache_control)
.insert_header((header::PRAGMA, "no-cache"))
.json(response)
}
GrantType::RefreshToken {
refresh_token,
scope,
} => {
let client_id: Option<Uuid>;
if let Some(authorization) = authorization {
let client_alias = authorization.username();
let Some(id) = db::get_client_id_by_alias(db, client_alias).await.unwrap() else {
return TokenError::client_not_found(client_alias).error_response();
};
client_id = Some(id);
} else {
client_id = None;
}
let claims =
match jwt::verify_refresh_token(db, &refresh_token, &self_id, client_id).await {
Ok(claims) => claims,
Err(e) => {
let e = e.unwrap();
return TokenError::bad_refresh_token(e).error_response();
}
};
let scope = if let Some(scope) = scope {
if !scopes::is_subset_of(&scope, claims.scopes()) {
return TokenError::excessive_scope().error_response();
}
scope
} else {
claims.scopes().into()
};
let exp_time = Duration::hours(1);
let access_token = jwt::Claims::refreshed_access_token(db, &claims, exp_time)
.await
.unwrap();
let refresh_token = jwt::Claims::refresh_token(db, &claims).await.unwrap();
let access_token = access_token.to_jwt().unwrap();
let refresh_token = Some(refresh_token.to_jwt().unwrap());
let expires_in = exp_time.num_seconds();
let response = TokenResponse {
access_token,
token_type,
expires_in,
refresh_token,
scope,
};
HttpResponse::Ok()
.insert_header(cache_control)
.insert_header((header::PRAGMA, "no-cache"))
.json(response)
}
_ => TokenError::unsupported_grant_type().error_response(),
}
}
pub fn service() -> Scope {
web::scope("/oauth")
.service(authorize_page)
.service(authorize)
.service(token)
}
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