use Friendica\BaseModule;
use Friendica\Core\Logger;
use Friendica\Core\System;
-use Friendica\Database\Database;
-use Friendica\Database\DBA;
use Friendica\DI;
+use Friendica\Model\Post;
use Friendica\Network\HTTPException;
+use Friendica\Security\BasicAuth;
+use Friendica\Security\OAuth;
+use Friendica\Util\Arrays;
use Friendica\Util\DateTimeFormat;
use Friendica\Util\HTTPInputData;
+use Friendica\Util\XML;
require_once __DIR__ . '/../../include/api.php';
const SCOPE_PUSH = 'push';
/**
- * @var string json|xml|rss|atom
- */
- protected static $format = 'json';
- /**
- * @var bool|int
+ * @var array
*/
- protected static $current_user_id;
+ protected static $boundaries = [];
+
/**
* @var array
*/
- protected static $current_token = [];
-
- public static function init(array $parameters = [])
- {
- $arguments = DI::args();
-
- if (substr($arguments->getCommand(), -4) === '.xml') {
- self::$format = 'xml';
- }
- if (substr($arguments->getCommand(), -4) === '.rss') {
- self::$format = 'rss';
- }
- if (substr($arguments->getCommand(), -4) === '.atom') {
- self::$format = 'atom';
- }
- }
+ protected static $request = [];
public static function delete(array $parameters = [])
{
- if (!api_user()) {
- throw new HTTPException\UnauthorizedException(DI::l10n()->t('Permission denied.'));
- }
-
- $a = DI::app();
+ self::checkAllowedScope(self::SCOPE_WRITE);
- if (!empty($a->user['uid']) && $a->user['uid'] != api_user()) {
+ if (!DI::app()->isLoggedIn()) {
throw new HTTPException\ForbiddenException(DI::l10n()->t('Permission denied.'));
}
}
public static function patch(array $parameters = [])
{
- if (!api_user()) {
- throw new HTTPException\UnauthorizedException(DI::l10n()->t('Permission denied.'));
- }
-
- $a = DI::app();
+ self::checkAllowedScope(self::SCOPE_WRITE);
- if (!empty($a->user['uid']) && $a->user['uid'] != api_user()) {
+ if (!DI::app()->isLoggedIn()) {
throw new HTTPException\ForbiddenException(DI::l10n()->t('Permission denied.'));
}
}
public static function post(array $parameters = [])
{
- if (!api_user()) {
- throw new HTTPException\UnauthorizedException(DI::l10n()->t('Permission denied.'));
- }
+ self::checkAllowedScope(self::SCOPE_WRITE);
- $a = DI::app();
-
- if (!empty($a->user['uid']) && $a->user['uid'] != api_user()) {
+ if (!DI::app()->isLoggedIn()) {
throw new HTTPException\ForbiddenException(DI::l10n()->t('Permission denied.'));
}
}
public static function put(array $parameters = [])
{
- if (!api_user()) {
- throw new HTTPException\UnauthorizedException(DI::l10n()->t('Permission denied.'));
- }
-
- $a = DI::app();
+ self::checkAllowedScope(self::SCOPE_WRITE);
- if (!empty($a->user['uid']) && $a->user['uid'] != api_user()) {
+ if (!DI::app()->isLoggedIn()) {
throw new HTTPException\ForbiddenException(DI::l10n()->t('Permission denied.'));
}
}
- /**
- * Quit execution with the message that the endpoint isn't implemented
- *
- * @param string $method
- * @return void
- */
- 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'] ?? '', 'request' => HTTPInputData::process()]);
- $error = DI::l10n()->t('API endpoint %s %s is not implemented', strtoupper($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);
- System::jsonError(501, $errorobj->toArray());
- }
-
/**
* Processes data from GET requests and sets defaults
*
$httpinput = HTTPInputData::process();
$input = array_merge($httpinput['variables'], $httpinput['files'], $_REQUEST);
+ self::$request = $input;
+ self::$boundaries = [];
+
+ unset(self::$request['pagename']);
+
$request = [];
foreach ($defaults as $parameter => $defaultvalue) {
}
/**
- * Log in user via OAuth1 or Simple HTTP Auth.
- *
- * Simple Auth allow username in form of <pre>user@server</pre>, ignoring server part
- *
- * @param string $scope the requested scope (read, write, follow)
- *
- * @return bool Was a user authenticated?
- * @throws HTTPException\ForbiddenException
- * @throws HTTPException\UnauthorizedException
- * @throws HTTPException\InternalServerErrorException
- * @hook 'authenticate'
- * array $addon_auth
- * 'username' => username from login form
- * 'password' => password from login form
- * 'authenticated' => return status,
- * 'user_record' => return authenticated user record
+ * Set boundaries for the "link" header
+ * @param array $boundaries
+ * @param int $id
+ * @return array
*/
- protected static function login(string $scope)
+ protected static function setBoundaries(int $id)
{
- if (empty(self::$current_user_id)) {
- self::$current_token = self::getTokenByBearer();
- if (!empty(self::$current_token['uid'])) {
- self::$current_user_id = self::$current_token['uid'];
- } else {
- self::$current_user_id = 0;
- }
- }
-
- if (!empty($scope) && !empty(self::$current_token)) {
- if (empty(self::$current_token[$scope])) {
- Logger::warning('The requested scope is not allowed', ['scope' => $scope, 'application' => self::$current_token]);
- DI::mstdnError()->Forbidden();
- }
+ if (!isset(self::$boundaries['min'])) {
+ self::$boundaries['min'] = $id;
}
- if (empty(self::$current_user_id)) {
- // The execution stops here if no one is logged in
- api_login(DI::app());
+ if (!isset(self::$boundaries['max'])) {
+ self::$boundaries['max'] = $id;
}
- self::$current_user_id = api_user();
-
- return (bool)self::$current_user_id;
- }
-
- /**
- * Get current application
- *
- * @return array token
- */
- protected static function getCurrentApplication()
- {
- return self::$current_token;
+ self::$boundaries['min'] = min(self::$boundaries['min'], $id);
+ self::$boundaries['max'] = max(self::$boundaries['max'], $id);
}
/**
- * Get current user id, returns 0 if not logged in
- *
- * @return int User ID
+ * Set the "link" header with "next" and "prev" links
+ * @return void
*/
- public static function getCurrentUserID(bool $nologin = false)
+ protected static function setLinkHeader()
{
- if (empty(self::$current_user_id)) {
- self::$current_token = self::getTokenByBearer();
- if (!empty(self::$current_token['uid'])) {
- self::$current_user_id = self::$current_token['uid'];
- } else {
- self::$current_user_id = 0;
- }
+ if (empty(self::$boundaries)) {
+ return;
}
- if ($nologin) {
- return (int)self::$current_user_id;
- }
+ $request = self::$request;
- if (empty(self::$current_user_id)) {
- // Fetch the user id if logged in - but don't fail if not
- api_login(DI::app(), false);
+ unset($request['min_id']);
+ unset($request['max_id']);
+ unset($request['since_id']);
- self::$current_user_id = api_user();
- }
+ $prev_request = $next_request = $request;
+
+ $prev_request['min_id'] = self::$boundaries['max'];
+ $next_request['max_id'] = self::$boundaries['min'];
+
+ $command = DI::baseUrl() . '/' . DI::args()->getCommand();
- return (int)self::$current_user_id;
+ $prev = $command . '?' . http_build_query($prev_request);
+ $next = $command . '?' . http_build_query($next_request);
+
+ header('Link: <' . $next . '>; rel="next", <' . $prev . '>; rel="prev"');
}
/**
- * Get the user token via the Bearer token
+ * Get current application token
*
- * @return array User Token
+ * @return array token
*/
- private static function getTokenByBearer()
+ protected static function getCurrentApplication()
{
- $authorization = $_SERVER['HTTP_AUTHORIZATION'] ?? '';
+ $token = OAuth::getCurrentApplicationToken();
- if (substr($authorization, 0, 7) != 'Bearer ') {
- return [];
+ if (empty($token)) {
+ $token = BasicAuth::getCurrentApplicationToken();
}
- $bearer = trim(substr($authorization, 7));
- $condition = ['access_token' => $bearer];
- $token = DBA::selectFirst('application-view', ['uid', 'id', 'name', 'website', 'created_at', 'read', 'write', 'follow', 'push'], $condition);
- if (!DBA::isResult($token)) {
- Logger::warning('Token not found', $condition);
- return [];
- }
- Logger::debug('Token found', $token);
return $token;
}
/**
- * Get the application record via the proved request header fields
+ * Get current user id, returns 0 if not logged in
*
- * @param string $client_id
- * @param string $client_secret
- * @param string $redirect_uri
- * @return array application record
+ * @return int User ID
*/
- public static function getApplication(string $client_id, string $client_secret, string $redirect_uri)
+ public static function getCurrentUserID()
{
- $condition = ['client_id' => $client_id];
- if (!empty($client_secret)) {
- $condition['client_secret'] = $client_secret;
- }
- if (!empty($redirect_uri)) {
- $condition['redirect_uri'] = $redirect_uri;
- }
+ $uid = OAuth::getCurrentUserID();
- $application = DBA::selectFirst('application', [], $condition);
- if (!DBA::isResult($application)) {
- Logger::warning('Application not found', $condition);
- return [];
+ if (empty($uid)) {
+ $uid = BasicAuth::getCurrentUserID(false);
}
- return $application;
- }
- /**
- * Check if an token for the application and user exists
- *
- * @param array $application
- * @param integer $uid
- * @return boolean
- */
- public static function existsTokenForUser(array $application, int $uid)
- {
- return DBA::exists('application-token', ['application-id' => $application['id'], 'uid' => $uid]);
+ return (int)$uid;
}
/**
- * Fetch the token for the given application and user
+ * Check if the provided scope does exist.
+ * halts execution on missing scope or when not logged in.
*
- * @param array $application
- * @param integer $uid
- * @return array application record
+ * @param string $scope the requested scope (read, write, follow, push)
*/
- public static function getTokenForUser(array $application, int $uid)
+ public static function checkAllowedScope(string $scope)
{
- return DBA::selectFirst('application-token', [], ['application-id' => $application['id'], 'uid' => $uid]);
+ $token = self::getCurrentApplication();
+
+ if (empty($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();
+ }
}
- /**
- * Create and fetch an token for the application and user
- *
- * @param array $application
- * @param integer $uid
- * @param string $scope
- * @return array application record
- */
- public static function createTokenForUser(array $application, int $uid, string $scope)
+ public static function checkThrottleLimit()
{
- $code = bin2hex(random_bytes(32));
- $access_token = bin2hex(random_bytes(32));
-
- $fields = ['application-id' => $application['id'], 'uid' => $uid, 'code' => $code, 'access_token' => $access_token, 'scopes' => $scope,
- 'read' => (stripos($scope, self::SCOPE_READ) !== false),
- 'write' => (stripos($scope, self::SCOPE_WRITE) !== false),
- 'follow' => (stripos($scope, self::SCOPE_FOLLOW) !== false),
- 'push' => (stripos($scope, self::SCOPE_PUSH) !== false),
- 'created_at' => DateTimeFormat::utcNow(DateTimeFormat::MYSQL)];
-
- foreach ([self::SCOPE_READ, self::SCOPE_WRITE, self::SCOPE_WRITE, self::SCOPE_PUSH] as $scope) {
- if ($fields[$scope] && !$application[$scope]) {
- Logger::warning('Requested token scope is not allowed for the application', ['token' => $fields, 'application' => $application]);
+ $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());
}
}
- if (!DBA::insert('application-token', $fields, Database::INSERT_UPDATE)) {
- return [];
+ $throttle_week = DI::config()->get('system', 'throttle_limit_week');
+ if ($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());
+ }
}
- return DBA::selectFirst('application-token', [], ['application-id' => $application['id'], 'uid' => $uid]);
+ $throttle_month = DI::config()->get('system', 'throttle_limit_month');
+ if ($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, $errorobj->toArray());
+ }
+ }
}
/**
*/
protected static function getUser($contact_id = null)
{
- return api_get_user(DI::app(), $contact_id);
- }
-
- /**
- * Formats the data according to the data type
- *
- * @param string $root_element
- * @param array $data An array with a single element containing the returned result
- * @return false|string
- */
- protected static function format(string $root_element, array $data)
- {
- $return = api_format_data($root_element, self::$format, $data);
-
- switch (self::$format) {
- case "xml":
- header("Content-Type: text/xml");
- break;
- case "json":
- header("Content-Type: application/json");
- if (!empty($return)) {
- $json = json_encode(end($return));
- if (!empty($_GET['callback'])) {
- $json = $_GET['callback'] . "(" . $json . ")";
- }
- $return = $json;
- }
- break;
- case "rss":
- header("Content-Type: application/rss+xml");
- $return = '<?xml version="1.0" encoding="UTF-8"?>' . "\n" . $return;
- break;
- case "atom":
- header("Content-Type: application/atom+xml");
- $return = '<?xml version="1.0" encoding="UTF-8"?>' . "\n" . $return;
- break;
- }
-
- return $return;
- }
-
- /**
- * Creates the XML from a JSON style array
- *
- * @param $data
- * @param $root_element
- * @return string
- */
- protected static function createXml($data, $root_element)
- {
- return api_create_xml($data, $root_element);
+ return api_get_user($contact_id);
}
}
projects / friendica.git / blobdiff