308 lines
9 KiB
PHP
308 lines
9 KiB
PHP
<?php
|
|
/**
|
|
* @copyright Copyright (C) 2010-2022, 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;
|
|
|
|
use Friendica\App;
|
|
use Friendica\App\Router;
|
|
use Friendica\BaseModule;
|
|
use Friendica\Core\L10n;
|
|
use Friendica\Core\Logger;
|
|
use Friendica\Core\System;
|
|
use Friendica\DI;
|
|
use Friendica\Model\Contact;
|
|
use Friendica\Model\Post;
|
|
use Friendica\Model\User;
|
|
use Friendica\Module\Api\ApiResponse;
|
|
use Friendica\Network\HTTPException;
|
|
use Friendica\Security\BasicAuth;
|
|
use Friendica\Security\OAuth;
|
|
use Friendica\Util\DateTimeFormat;
|
|
use Friendica\Util\Profiler;
|
|
use Psr\Http\Message\ResponseInterface;
|
|
use Psr\Log\LoggerInterface;
|
|
|
|
class BaseApi extends BaseModule
|
|
{
|
|
const LOG_PREFIX = 'API {action} - ';
|
|
|
|
const SCOPE_READ = 'read';
|
|
const SCOPE_WRITE = 'write';
|
|
const SCOPE_FOLLOW = 'follow';
|
|
const SCOPE_PUSH = 'push';
|
|
|
|
/**
|
|
* @var array
|
|
*/
|
|
protected static $boundaries = [];
|
|
|
|
/**
|
|
* @var array
|
|
*/
|
|
protected static $request = [];
|
|
|
|
/** @var App */
|
|
protected $app;
|
|
|
|
/** @var ApiResponse */
|
|
protected $response;
|
|
|
|
public function __construct(App $app, L10n $l10n, App\BaseURL $baseUrl, App\Arguments $args, LoggerInterface $logger, Profiler $profiler, ApiResponse $response, array $server, array $parameters = [])
|
|
{
|
|
parent::__construct($l10n, $baseUrl, $args, $logger, $profiler, $response, $server, $parameters);
|
|
|
|
$this->app = $app;
|
|
}
|
|
|
|
/**
|
|
* Additionally checks, if the caller is permitted to do this action
|
|
*
|
|
* {@inheritDoc}
|
|
*
|
|
* @throws HTTPException\ForbiddenException
|
|
*/
|
|
public function run(array $request = [], bool $scopecheck = true): ResponseInterface
|
|
{
|
|
if ($scopecheck) {
|
|
switch ($this->args->getMethod()) {
|
|
case Router::DELETE:
|
|
case Router::PATCH:
|
|
case Router::POST:
|
|
case Router::PUT:
|
|
self::checkAllowedScope(self::SCOPE_WRITE);
|
|
|
|
if (!self::getCurrentUserID()) {
|
|
throw new HTTPException\ForbiddenException($this->t('Permission denied.'));
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
|
|
return parent::run($request);
|
|
}
|
|
|
|
/**
|
|
* Processes data from GET requests and sets defaults
|
|
*
|
|
* @param array $defaults Associative array of expected request keys and their default typed value. A null
|
|
* value will remove the request key from the resulting value array.
|
|
* @param array $request Custom REQUEST array, superglobal instead
|
|
* @return array request data
|
|
* @throws \Exception
|
|
*/
|
|
public function getRequest(array $defaults, array $request): array
|
|
{
|
|
self::$request = $request;
|
|
self::$boundaries = [];
|
|
|
|
unset(self::$request['pagename']);
|
|
|
|
return $this->checkDefaults($defaults, $request);
|
|
}
|
|
|
|
/**
|
|
* Set boundaries for the "link" header
|
|
* @param array $boundaries
|
|
* @param int $id
|
|
*/
|
|
protected static function setBoundaries(int $id)
|
|
{
|
|
if (!isset(self::$boundaries['min'])) {
|
|
self::$boundaries['min'] = $id;
|
|
}
|
|
|
|
if (!isset(self::$boundaries['max'])) {
|
|
self::$boundaries['max'] = $id;
|
|
}
|
|
|
|
self::$boundaries['min'] = min(self::$boundaries['min'], $id);
|
|
self::$boundaries['max'] = max(self::$boundaries['max'], $id);
|
|
}
|
|
|
|
/**
|
|
* Set the "link" header with "next" and "prev" links
|
|
* @return void
|
|
*/
|
|
protected static function setLinkHeader()
|
|
{
|
|
if (empty(self::$boundaries)) {
|
|
return;
|
|
}
|
|
|
|
$request = self::$request;
|
|
|
|
unset($request['min_id']);
|
|
unset($request['max_id']);
|
|
unset($request['since_id']);
|
|
|
|
$prev_request = $next_request = $request;
|
|
|
|
$prev_request['min_id'] = self::$boundaries['max'];
|
|
$next_request['max_id'] = self::$boundaries['min'];
|
|
|
|
$command = DI::baseUrl() . '/' . DI::args()->getCommand();
|
|
|
|
$prev = $command . '?' . http_build_query($prev_request);
|
|
$next = $command . '?' . http_build_query($next_request);
|
|
|
|
header('Link: <' . $next . '>; rel="next", <' . $prev . '>; rel="prev"');
|
|
}
|
|
|
|
/**
|
|
* Get current application token
|
|
*
|
|
* @return array token
|
|
*/
|
|
public static function getCurrentApplication()
|
|
{
|
|
$token = OAuth::getCurrentApplicationToken();
|
|
|
|
if (empty($token)) {
|
|
$token = BasicAuth::getCurrentApplicationToken();
|
|
}
|
|
|
|
return $token;
|
|
}
|
|
|
|
/**
|
|
* Get current user id, returns 0 if not logged in
|
|
*
|
|
* @return int User ID
|
|
*/
|
|
public static function getCurrentUserID()
|
|
{
|
|
$uid = OAuth::getCurrentUserID();
|
|
|
|
if (empty($uid)) {
|
|
$uid = BasicAuth::getCurrentUserID(false);
|
|
}
|
|
|
|
return (int)$uid;
|
|
}
|
|
|
|
/**
|
|
* Check if the provided scope does exist.
|
|
* halts execution on missing scope or when not logged in.
|
|
*
|
|
* @param string $scope the requested scope (read, write, follow, push)
|
|
*/
|
|
public static function checkAllowedScope(string $scope)
|
|
{
|
|
$token = self::getCurrentApplication();
|
|
|
|
if (empty($token)) {
|
|
Logger::notice('Empty application token');
|
|
DI::mstdnError()->Forbidden();
|
|
}
|
|
|
|
if (!isset($token[$scope])) {
|
|
Logger::warning('The requested scope does not exist', ['scope' => $scope, 'application' => $token]);
|
|
DI::mstdnError()->Forbidden();
|
|
}
|
|
|
|
if (empty($token[$scope])) {
|
|
Logger::warning('The requested scope is not allowed', ['scope' => $scope, 'application' => $token]);
|
|
DI::mstdnError()->Forbidden();
|
|
}
|
|
}
|
|
|
|
public static function checkThrottleLimit()
|
|
{
|
|
$uid = self::getCurrentUserID();
|
|
|
|
// Check for throttling (maximum posts per day, week and month)
|
|
$throttle_day = DI::config()->get('system', 'throttle_limit_day');
|
|
if ($throttle_day > 0) {
|
|
$datefrom = date(DateTimeFormat::MYSQL, time() - 24*60*60);
|
|
|
|
$condition = ["`gravity` = ? AND `uid` = ? AND `wall` AND `received` > ?", GRAVITY_PARENT, $uid, $datefrom];
|
|
$posts_day = Post::countThread($condition);
|
|
|
|
if ($posts_day > $throttle_day) {
|
|
Logger::info('Daily posting limit reached', ['uid' => $uid, 'posts' => $posts_day, 'limit' => $throttle_day]);
|
|
$error = DI::l10n()->t('Too Many Requests');
|
|
$error_description = DI::l10n()->tt("Daily posting limit of %d post reached. The post was rejected.", "Daily posting limit of %d posts reached. The post was rejected.", $throttle_day);
|
|
$errorobj = new \Friendica\Object\Api\Mastodon\Error($error, $error_description);
|
|
System::jsonError(429, $errorobj->toArray());
|
|
}
|
|
}
|
|
|
|
$throttle_week = DI::config()->get('system', 'throttle_limit_week');
|
|
if ($throttle_week > 0) {
|
|
$datefrom = date(DateTimeFormat::MYSQL, time() - 24*60*60*7);
|
|
|
|
$condition = ["`gravity` = ? AND `uid` = ? AND `wall` AND `received` > ?", GRAVITY_PARENT, $uid, $datefrom];
|
|
$posts_week = Post::countThread($condition);
|
|
|
|
if ($posts_week > $throttle_week) {
|
|
Logger::info('Weekly posting limit reached', ['uid' => $uid, 'posts' => $posts_week, 'limit' => $throttle_week]);
|
|
$error = DI::l10n()->t('Too Many Requests');
|
|
$error_description = DI::l10n()->tt("Weekly posting limit of %d post reached. The post was rejected.", "Weekly posting limit of %d posts reached. The post was rejected.", $throttle_week);
|
|
$errorobj = new \Friendica\Object\Api\Mastodon\Error($error, $error_description);
|
|
System::jsonError(429, $errorobj->toArray());
|
|
}
|
|
}
|
|
|
|
$throttle_month = DI::config()->get('system', 'throttle_limit_month');
|
|
if ($throttle_month > 0) {
|
|
$datefrom = date(DateTimeFormat::MYSQL, time() - 24*60*60*30);
|
|
|
|
$condition = ["`gravity` = ? AND `uid` = ? AND `wall` AND `received` > ?", GRAVITY_PARENT, $uid, $datefrom];
|
|
$posts_month = Post::countThread($condition);
|
|
|
|
if ($posts_month > $throttle_month) {
|
|
Logger::info('Monthly posting limit reached', ['uid' => $uid, 'posts' => $posts_month, 'limit' => $throttle_month]);
|
|
$error = DI::l10n()->t('Too Many Requests');
|
|
$error_description = DI::l10n()->t("Monthly posting limit of %d post reached. The post was rejected.", "Monthly posting limit of %d posts reached. The post was rejected.", $throttle_month);
|
|
$errorobj = new \Friendica\Object\Api\Mastodon\Error($error, $error_description);
|
|
System::jsonError(429, $errorobj->toArray());
|
|
}
|
|
}
|
|
}
|
|
|
|
public static function getContactIDForSearchterm(string $screen_name = null, string $profileurl = null, int $cid = null, int $uid)
|
|
{
|
|
if (!empty($cid)) {
|
|
return $cid;
|
|
}
|
|
|
|
if (!empty($profileurl)) {
|
|
return Contact::getIdForURL($profileurl);
|
|
}
|
|
|
|
if (empty($cid) && !empty($screen_name)) {
|
|
if (strpos($screen_name, '@') !== false) {
|
|
return Contact::getIdForURL($screen_name, 0, false);
|
|
}
|
|
|
|
$user = User::getByNickname($screen_name, ['uid']);
|
|
if (!empty($user['uid'])) {
|
|
return Contact::getPublicIdByUserId($user['uid']);
|
|
}
|
|
}
|
|
|
|
if ($uid != 0) {
|
|
return Contact::getPublicIdByUserId($uid);
|
|
}
|
|
|
|
return null;
|
|
}
|
|
}
|