Merge pull request #10230 from annando/oauth-login

OAuth login prototype

database.sql

@@ -1,6 +1,6 @@
 -- ------------------------------------------
 -- Friendica 2021.06-dev (Siberian Iris)
--- DB_UPDATE_VERSION 1415
+-- DB_UPDATE_VERSION 1416
 -- ------------------------------------------
 
 
@@ -379,6 +379,21 @@ CREATE TABLE IF NOT EXISTS `application` (
 	 UNIQUE INDEX `client_id` (`client_id`)
 ) DEFAULT COLLATE utf8mb4_general_ci COMMENT='OAuth application';
 
+--
+-- TABLE application-token
+--
+CREATE TABLE IF NOT EXISTS `application-token` (
+	`application-id` int unsigned NOT NULL COMMENT '',
+	`uid` mediumint unsigned NOT NULL COMMENT 'Owner User id',
+	`code` varchar(64) NOT NULL COMMENT '',
+	`access_token` varchar(64) NOT NULL COMMENT '',
+	`created_at` datetime NOT NULL DEFAULT '0001-01-01 00:00:00' COMMENT 'creation time',
+	 PRIMARY KEY(`application-id`,`uid`),
+	 INDEX `uid_id` (`uid`,`application-id`),
+	FOREIGN KEY (`application-id`) REFERENCES `application` (`id`) ON UPDATE RESTRICT ON DELETE CASCADE,
+	FOREIGN KEY (`uid`) REFERENCES `user` (`uid`) ON UPDATE RESTRICT ON DELETE CASCADE
+) DEFAULT COLLATE utf8mb4_general_ci COMMENT='OAuth user token';
+
 --
 -- TABLE attach
 --

mod/dfrn_confirm.php

@@ -181,7 +181,7 @@ function dfrn_confirm_post(App $a, $handsfree = null)
 		 * random key which is encrypted with their site public key.
 		 */
 
-		$src_aes_key = openssl_random_pseudo_bytes(64);
+		$src_aes_key = random_bytes(64);
 
 		$result = '';
 		openssl_private_encrypt($dfrn_id, $result, $user['prvkey']);

src/Factory/Api/Mastodon/Attachment.php

@@ -59,7 +59,7 @@ class Attachment extends BaseFactory
 	public function createFromUriId(int $uriId)
 	{
 		$attachments = [];
-		foreach (Post\Media::getByURIId($uriId) as $attachment) {
+		foreach (Post\Media::getByURIId($uriId, [Post\Media::AUDIO, Post\Media::VIDEO, Post\Media::IMAGE]) as $attachment) {
 
 			$filetype = !empty($attachment['mimetype']) ? strtolower(substr($attachment['mimetype'], 0, strpos($attachment['mimetype'], '/'))) : '';
 

src/Module/Api/Mastodon/Apps.php

@@ -46,7 +46,7 @@ class Apps extends BaseApi
 			DI::mstdnError()->RecordNotFound();
 		}
 
-		$client_id     = base64_encode(openssl_random_pseudo_bytes(32));
+		$client_id     = bin2hex(random_bytes(32));
 		$client_secret = bin2hex(random_bytes(32));
 
 		$fields = ['client_id' => $client_id, 'client_secret' => $client_secret, 'name' => $name, 'redirect_uri' => $redirect];

src/Module/BaseApi.php

@@ -24,8 +24,11 @@ namespace Friendica\Module;
 use Friendica\BaseModule;
 use Friendica\Core\Logger;
 use Friendica\Core\System;
+use Friendica\Database\Database;
+use Friendica\Database\DBA;
 use Friendica\DI;
 use Friendica\Network\HTTPException;
+use Friendica\Util\DateTimeFormat;
 
 require_once __DIR__ . '/../../include/api.php';
 
@@ -110,7 +113,7 @@ class BaseApi extends BaseModule
 	public static function unsupported(string $method = 'all')
 	{
 		$path = DI::args()->getQueryString();
-		Logger::info('Unimplemented API call', ['method' => $method, 'path' => $path, 'agent' => $_SERVER['HTTP_USER_AGENT'] ?? '']);
+		Logger::info('Unimplemented API call', ['method' => $method, 'path' => $path, 'agent' => $_SERVER['HTTP_USER_AGENT'] ?? '', 'request' => $_REQUEST ?? []]);
 		$error = DI::l10n()->t('API endpoint %s %s is not implemented', strtoupper($method), $path);
 		$error_description = DI::l10n()->t('The API endpoint is currently not implemented but might be in the future.');;
 		$errorobj = new \Friendica\Object\Api\Mastodon\Error($error, $error_description);
@@ -135,6 +138,14 @@ class BaseApi extends BaseModule
 	 */
 	protected static function login()
 	{
+		$authorization = $_SERVER['HTTP_AUTHORIZATION'] ?? '';
+		$authorization = $_SERVER['AUTHORIZATION'] ?? $authorization;
+
+		if (self::checkBearer($authorization)) {
+			self::$current_user_id = self::getUserByBearer($authorization);
+			return (bool)self::$current_user_id;
+		}
+
 		api_login(DI::app());
 
 		self::$current_user_id = api_user();
@@ -149,6 +160,14 @@ class BaseApi extends BaseModule
 	 */
 	protected static function getCurrentUserID()
 	{
+		$authorization = $_SERVER['HTTP_AUTHORIZATION'] ?? '';
+		$authorization = $_SERVER['AUTHORIZATION'] ?? $authorization;
+
+		if (self::checkBearer($authorization)) {
+			self::$current_user_id = self::getUserByBearer($authorization);
+			return (int)self::$current_user_id;
+		}
+
 		if (is_null(self::$current_user_id)) {
 			api_login(DI::app(), false);
 
@@ -158,6 +177,55 @@ class BaseApi extends BaseModule
 		return (int)self::$current_user_id;
 	}
 
+	private static function checkBearer(string $authorization)
+	{
+		return (substr($authorization, 0, 7) == 'Bearer ');
+	}
+
+	private static function getUserByBearer(string $authorization)
+	{
+		$bearer = trim(substr($authorization, 6));
+		$condition = ['access_token' => $bearer];
+		$token = DBA::selectFirst('application-token', ['uid'], $condition);
+		if (!DBA::isResult($token)) {
+			Logger::warning('Token not found', $condition);
+			return 0;
+		}
+		Logger::info('Token found', $token);
+		return $token['uid'];
+	}
+
+	public static function getApplication()
+	{
+		$redirect_uri = !isset($_REQUEST['redirect_uri']) ? '' : $_REQUEST['redirect_uri'];
+		$client_id    = !isset($_REQUEST['client_id']) ? '' : $_REQUEST['client_id'];
+
+		if (empty($redirect_uri) || empty($client_id)) {
+			Logger::warning('Incomplete request');
+			return [];
+		}
+
+		$condition = ['redirect_uri' => $redirect_uri, 'client_id' => $client_id];
+		$application = DBA::selectFirst('application', [], $condition);
+		if (!DBA::isResult($application)) {
+			Logger::warning('Application not found', $condition);
+			return [];
+		}
+		return $application;
+	}
+
+	public static function getTokenForUser(array $application, int $uid)
+	{
+		$code         = bin2hex(random_bytes(32));
+		$access_token = bin2hex(random_bytes(32));
+
+		$fields = ['application-id' => $application['id'], 'uid' => $uid, 'code' => $code, 'access_token' => $access_token, 'created_at' => DateTimeFormat::utcNow(DateTimeFormat::MYSQL)];
+		if (!DBA::insert('application-token', $fields, Database::INSERT_UPDATE)) {
+			return [];
+		}
+
+		return DBA::selectFirst('application-token', [], ['application-id' => $application['id'], 'uid' => $uid]);
+	}
 	/**
 	 * Get user info array.
 	 *
@@ -207,7 +275,7 @@ class BaseApi extends BaseModule
 				$return = '<?xml version="1.0" encoding="UTF-8"?>' . "\n" . $return;
 				break;
 		}
-		
+
 		return $return;
 	}
 

src/Module/OAuth/Authorize.php

@@ -0,0 +1,67 @@
+<?php
+/**
+ * @copyright Copyright (C) 2010-2021, the Friendica project
+ *
+ * @license GNU AGPL version 3 or any later version
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ *
+ */
+
+namespace Friendica\Module\OAuth;
+
+use Friendica\Core\Logger;
+use Friendica\DI;
+use Friendica\Module\BaseApi;
+
+/**
+ * Dummy class for all currently unimplemented endpoints
+ */
+class Authorize extends BaseApi
+{
+	/**
+	 * @param array $parameters
+	 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
+	 */
+	public static function rawContent(array $parameters = [])
+	{
+		//return;
+
+		$response_type = !isset($_REQUEST['response_type']) ? '' : $_REQUEST['response_type'];
+		if ($response_type != 'code') {
+			Logger::warning('Wrong or missing response type', ['response_type' => $response_type]);
+			DI::mstdnError()->RecordNotFound();
+		}
+
+		$application = self::getApplication();
+		if (empty($application)) {
+			DI::mstdnError()->RecordNotFound();
+		}
+
+		$uid = local_user();
+		if (empty($uid)) {
+			Logger::info('Redirect to login');
+			DI::app()->redirect('login?return_path=/oauth/authorize');
+		} else {
+			Logger::info('Already logged in user', ['uid' => $uid]);
+		}
+
+		$token = self::getTokenForUser($application, $uid);
+		if (!$token) {
+			DI::mstdnError()->RecordNotFound();
+		}
+
+		DI::app()->redirect($application['redirect_uri'] . '?code=' . $token['code']);
+	}
+}

src/Module/OAuth/Revoke.php

@@ -0,0 +1,35 @@
+<?php
+/**
+ * @copyright Copyright (C) 2010-2021, the Friendica project
+ *
+ * @license GNU AGPL version 3 or any later version
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ *
+ */
+
+namespace Friendica\Module\OAuth;
+
+use Friendica\Module\BaseApi;
+
+/**
+ * Dummy class for all currently unimplemented endpoints
+ */
+class Revoke extends BaseApi
+{
+	public static function post(array $parameters = [])
+	{
+		self::unsupported('post');
+	}
+}

src/Module/OAuth/Token.php

@@ -0,0 +1,67 @@
+<?php
+/**
+ * @copyright Copyright (C) 2010-2021, the Friendica project
+ *
+ * @license GNU AGPL version 3 or any later version
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ *
+ */
+
+namespace Friendica\Module\OAuth;
+
+use Friendica\Core\Logger;
+use Friendica\Core\System;
+use Friendica\Database\DBA;
+use Friendica\DI;
+use Friendica\Module\BaseApi;
+
+/**
+ * Dummy class for all currently unimplemented endpoints
+ */
+class Token extends BaseApi
+{
+	public static function post(array $parameters = [])
+	{
+		$client_secret = !isset($_REQUEST['client_secret']) ? '' : $_REQUEST['client_secret'];
+		$code          = !isset($_REQUEST['code']) ? '' : $_REQUEST['code'];
+		$grant_type    = !isset($_REQUEST['grant_type']) ? '' : $_REQUEST['grant_type'];
+
+		if ($grant_type != 'authorization_code') {
+			Logger::warning('Wrong or missing grant type', ['grant_type' => $grant_type]);
+			DI::mstdnError()->RecordNotFound();
+		}
+
+		$application = self::getApplication();
+		if (empty($application)) {
+			DI::mstdnError()->RecordNotFound();
+		}
+
+		if ($application['client_secret'] != $client_secret) {
+			Logger::warning('Wrong client secret', $client_secret);
+			DI::mstdnError()->RecordNotFound();
+		}
+
+		$condition = ['application-id' => $application['id'], 'code' => $code];
+
+		$token = DBA::selectFirst('application-token', ['access_token'], $condition);
+		if (!DBA::isResult($token)) {
+			Logger::warning('Token not found', $condition);
+			DI::mstdnError()->RecordNotFound();
+		}
+
+		// @todo Use entity class
+		System::jsonExit(['access_token' => $token['access_token'], 'token_type' => 'Bearer', 'scope' => $application['scopes'], 'created_at' => $token['created_at']]);
+	}
+}

src/Module/Security/Login.php

@@ -36,8 +36,12 @@ class Login extends BaseModule
 {
 	public static function content(array $parameters = [])
 	{
+		$return_path = !isset($_REQUEST['return_path']) ? '' : $_REQUEST['return_path'];
+
 		if (local_user()) {
-			DI::baseUrl()->redirect();
+			DI::baseUrl()->redirect($return_path);
+		} elseif (!empty($return_path)) {
+			Session::set('return_path', $return_path);
 		}
 
 		return self::form(Session::get('return_path'), intval(DI::config()->get('config', 'register_policy')) !== \Friendica\Module\Register::CLOSED);

src/Object/Api/Mastodon/Status.php

@@ -126,7 +126,7 @@ class Status extends BaseDataTransferObject
 		$this->muted = $userAttributes->muted;
 		$this->bookmarked = $userAttributes->bookmarked;
 		$this->pinned = $userAttributes->pinned;
-		$this->content = BBCode::convert($item['raw-body'] ?? $item['body'], false);
+		$this->content = BBCode::convert($item['raw-body'] ?? $item['body'], false, BBCode::API);
 		$this->reblog = $reblog;
 		$this->application = $application->toArray();
 		$this->account = $account->toArray();
@@ -134,7 +134,7 @@ class Status extends BaseDataTransferObject
 		$this->mentions = $mentions;
 		$this->tags = $tags;
 		$this->emojis = [];
-		$this->card = $card->toArray();
+		//$this->card = $card;
 		$this->poll = null;
 	}
 

src/Protocol/DFRN.php

@@ -1272,7 +1272,7 @@ class DFRN
 
 			switch ($rino_remote_version) {
 				case 1:
-					$key = openssl_random_pseudo_bytes(16);
+					$key = random_bytes(16);
 					$data = self::aesEncrypt($postvars['data'], $key);
 					break;
 

src/Protocol/Diaspora.php

@@ -2870,9 +2870,9 @@ class Diaspora
 			return false;
 		}
 
-		$aes_key = openssl_random_pseudo_bytes(32);
+		$aes_key = random_bytes(32);
 		$b_aes_key = base64_encode($aes_key);
-		$iv = openssl_random_pseudo_bytes(16);
+		$iv = random_bytes(16);
 		$b_iv = base64_encode($iv);
 
 		$ciphertext = self::aesEncrypt($aes_key, $iv, $msg);

src/Security/Authentication.php

@@ -39,6 +39,7 @@ use Friendica\Util\Network;
 use Friendica\Util\Strings;
 use LightOpenID;
 use Friendica\Core\L10n;
+use Friendica\Core\Logger;
 use Psr\Log\LoggerInterface;
 
 /**

static/dbstructure.config.php

@@ -55,7 +55,7 @@
 use Friendica\Database\DBA;
 
 if (!defined('DB_UPDATE_VERSION')) {
-	define('DB_UPDATE_VERSION', 1415);
+	define('DB_UPDATE_VERSION', 1416);
 }
 
 return [
@@ -442,6 +442,20 @@ return [
 			"client_id" => ["UNIQUE", "client_id"]
 		]
 	],
+	"application-token" => [
+		"comment" => "OAuth user token",
+		"fields" => [
+			"application-id" => ["type" => "int unsigned", "not null" => "1", "primary" => "1", "foreign" => ["application" => "id"], "comment" => ""],
+			"uid" => ["type" => "mediumint unsigned", "not null" => "1", "primary" => "1", "foreign" => ["user" => "uid"], "comment" => "Owner User id"],
+			"code" => ["type" => "varchar(64)", "not null" => "1", "comment" => ""],
+			"access_token" => ["type" => "varchar(64)", "not null" => "1", "comment" => ""],
+			"created_at" => ["type" => "datetime", "not null" => "1", "default" => DBA::NULL_DATETIME, "comment" => "creation time"],
+		],
+		"indexes" => [
+			"PRIMARY" => ["application-id", "uid"],
+			"uid_id" => ["uid", "application-id"],
+		]
+	],
 	"attach" => [
 		"comment" => "file attachments",
 		"fields" => [

static/routes.config.php

@@ -331,9 +331,9 @@ return [
 		'/mark/all' => [Module\Notifications\Notification::class, [R::GET]],
 		'/{id:\d+}' => [Module\Notifications\Notification::class, [R::GET, R::POST]],
 	],
-	'/oauth/authorize'             => [Module\Api\Mastodon\Unimplemented::class, [R::GET]],
+	'/oauth/authorize'             => [Module\OAuth\Authorize::class, [R::GET]],
-	'/oauth/revoke'                => [Module\Api\Mastodon\Unimplemented::class, [R::POST]],
+	'/oauth/revoke'                => [Module\OAuth\Revoke::class, [R::POST]],
-	'/oauth/token'                 => [Module\Api\Mastodon\Unimplemented::class, [R::POST]],
+	'/oauth/token'                 => [Module\OAuth\Token::class, [R::POST]],
 	'/objects/{guid}[/{activity}]' => [Module\Objects::class, [R::GET]],
 
 	'/oembed'         => [