<?php
/**
- * @copyright Copyright (C) 2010-2021, the Friendica project
+ * @copyright Copyright (C) 2010-2022, the Friendica project
*
* @license GNU AGPL version 3 or any later version
*
use Friendica\App\Router;
use Friendica\Capabilities\ICanHandleRequests;
+use Friendica\Capabilities\ICanCreateResponses;
+use Friendica\Core\Hook;
use Friendica\Core\L10n;
use Friendica\Core\Logger;
use Friendica\Model\User;
-use Friendica\Module\HTTPException\PageNotFound;
-use Friendica\Network\HTTPException\NoContentException;
+use Friendica\Module\Response;
+use Friendica\Module\Special\HTTPException as ModuleHTTPException;
+use Friendica\Network\HTTPException;
use Friendica\Util\Profiler;
+use Psr\Http\Message\ResponseInterface;
use Psr\Log\LoggerInterface;
/**
{
/** @var array */
protected $parameters = [];
-
/** @var L10n */
protected $l10n;
+ /** @var App\BaseURL */
+ protected $baseUrl;
+ /** @var App\Arguments */
+ protected $args;
+ /** @var LoggerInterface */
+ protected $logger;
+ /** @var Profiler */
+ protected $profiler;
+ /** @var array */
+ protected $server;
+ /** @var ICanCreateResponses */
+ protected $response;
- public function __construct(L10n $l10n, array $parameters = [])
+ public function __construct(L10n $l10n, App\BaseURL $baseUrl, App\Arguments $args, LoggerInterface $logger, Profiler $profiler, Response $response, array $server, array $parameters = [])
{
$this->parameters = $parameters;
$this->l10n = $l10n;
+ $this->baseUrl = $baseUrl;
+ $this->args = $args;
+ $this->logger = $logger;
+ $this->profiler = $profiler;
+ $this->server = $server;
+ $this->response = $response;
}
/**
}
/**
- * {@inheritDoc}
+ * Module GET method to display raw content from technical endpoints
+ *
+ * Extend this method if the module is supposed to return communication data,
+ * e.g. from protocol implementations.
+ *
+ * @param string[] $request The $_REQUEST content
+ * @return void
*/
- public function rawContent()
+ protected function rawContent(array $request = [])
{
// echo '';
// exit;
}
/**
- * {@inheritDoc}
+ * Module GET method to display any content
+ *
+ * Extend this method if the module is supposed to return any display
+ * through a GET request. It can be an HTML page through templating or a
+ * XML feed or a JSON output.
+ *
+ * @param string[] $request The $_REQUEST content
+ * @return string
*/
- public function content(): string
+ protected function content(array $request = []): string
{
return '';
}
/**
- * {@inheritDoc}
+ * Module DELETE method to process submitted data
+ *
+ * Extend this method if the module is supposed to process DELETE requests.
+ * Doesn't display any content
+ *
+ * @param string[] $request The $_REQUEST content
+ * @return void
*/
- public function delete()
+ protected function delete(array $request = [])
{
}
/**
- * {@inheritDoc}
+ * Module PATCH method to process submitted data
+ *
+ * Extend this method if the module is supposed to process PATCH requests.
+ * Doesn't display any content
+ *
+ * @param string[] $request The $_REQUEST content
+ * @return void
*/
- public function patch()
+ protected function patch(array $request = [])
{
}
/**
- * {@inheritDoc}
+ * Module POST method to process submitted data
+ *
+ * Extend this method if the module is supposed to process POST requests.
+ * Doesn't display any content
+ *
+ * @param string[] $request The $_REQUEST content
+ * @return void
*/
- public function post()
+ protected function post(array $request = [])
{
- // DI::baseurl()->redirect('module');
+ // $this->baseUrl->redirect('module');
}
/**
- * {@inheritDoc}
+ * Module PUT method to process submitted data
+ *
+ * Extend this method if the module is supposed to process PUT requests.
+ * Doesn't display any content
+ *
+ * @param string[] $request The $_REQUEST content
+ * @return void
*/
- public function put()
+ protected function put(array $request = [])
{
}
- /** Gets the name of the current class */
- public function getClassName(): string
- {
- return static::class;
- }
-
- public function run(App\BaseURL $baseUrl, App\Arguments $args, LoggerInterface $logger, Profiler $profiler, array $server, array $post)
+ /**
+ * {@inheritDoc}
+ */
+ public function run(array $request = []): ResponseInterface
{
- /* The URL provided does not resolve to a valid module.
- *
- * On Dreamhost sites, quite often things go wrong for no apparent reason and they send us to '/internal_error.html'.
- * We don't like doing this, but as it occasionally accounts for 10-20% or more of all site traffic -
- * we are going to trap this and redirect back to the requested page. As long as you don't have a critical error on your page
- * this will often succeed and eventually do the right thing.
- *
- * Otherwise we are going to emit a 404 not found.
- */
- if (static::class === PageNotFound::class) {
- $queryString = $server['QUERY_STRING'];
- // Stupid browser tried to pre-fetch our Javascript img template. Don't log the event or return anything - just quietly exit.
- if (!empty($queryString) && preg_match('/{[0-9]}/', $queryString) !== 0) {
- exit();
- }
-
- if (!empty($queryString) && ($queryString === 'q=internal_error.html') && isset($dreamhost_error_hack)) {
- $logger->info('index.php: dreamhost_error_hack invoked.', ['Original URI' => $server['REQUEST_URI']]);
- $baseUrl->redirect($server['REQUEST_URI']);
- }
-
- $logger->debug('index.php: page not found.', ['request_uri' => $server['REQUEST_URI'], 'address' => $server['REMOTE_ADDR'], 'query' => $server['QUERY_STRING']]);
- }
-
// @see https://github.com/tootsuite/mastodon/blob/c3aef491d66aec743a3a53e934a494f653745b61/config/initializers/cors.rb
- if (substr($_REQUEST['pagename'] ?? '', 0, 12) == '.well-known/') {
- header('Access-Control-Allow-Origin: *');
- header('Access-Control-Allow-Headers: *');
- header('Access-Control-Allow-Methods: ' . Router::GET);
- header('Access-Control-Allow-Credentials: false');
- } elseif (substr($_REQUEST['pagename'] ?? '', 0, 8) == 'profile/') {
- header('Access-Control-Allow-Origin: *');
- header('Access-Control-Allow-Headers: *');
- header('Access-Control-Allow-Methods: ' . Router::GET);
- header('Access-Control-Allow-Credentials: false');
- } elseif (substr($_REQUEST['pagename'] ?? '', 0, 4) == 'api/') {
- header('Access-Control-Allow-Origin: *');
- header('Access-Control-Allow-Headers: *');
- header('Access-Control-Allow-Methods: ' . implode(',', Router::ALLOWED_METHODS));
- header('Access-Control-Allow-Credentials: false');
- header('Access-Control-Expose-Headers: Link');
- } elseif (substr($_REQUEST['pagename'] ?? '', 0, 11) == 'oauth/token') {
- header('Access-Control-Allow-Origin: *');
- header('Access-Control-Allow-Headers: *');
- header('Access-Control-Allow-Methods: ' . Router::POST);
- header('Access-Control-Allow-Credentials: false');
- }
-
- // @see https://developer.mozilla.org/en-US/docs/Web/HTTP/Methods/OPTIONS
- // @todo Check allowed methods per requested path
- if ($server['REQUEST_METHOD'] === Router::OPTIONS) {
- header('Allow: ' . implode(',', Router::ALLOWED_METHODS));
- throw new NoContentException();
+ if (substr($this->args->getQueryString(), 0, 12) == '.well-known/') {
+ $this->response->setHeader('*', 'Access-Control-Allow-Origin');
+ $this->response->setHeader('*', 'Access-Control-Allow-Headers');
+ $this->response->setHeader(Router::GET, 'Access-Control-Allow-Methods');
+ $this->response->setHeader('false', 'Access-Control-Allow-Credentials');
+ } elseif (substr($this->args->getQueryString(), 0, 8) == 'profile/') {
+ $this->response->setHeader('*', 'Access-Control-Allow-Origin');
+ $this->response->setHeader('*', 'Access-Control-Allow-Headers');
+ $this->response->setHeader(Router::GET, 'Access-Control-Allow-Methods');
+ $this->response->setHeader('false', 'Access-Control-Allow-Credentials');
+ } elseif (substr($this->args->getQueryString(), 0, 4) == 'api/') {
+ $this->response->setHeader('*', 'Access-Control-Allow-Origin');
+ $this->response->setHeader('*', 'Access-Control-Allow-Headers');
+ $this->response->setHeader(implode(',', Router::ALLOWED_METHODS), 'Access-Control-Allow-Methods');
+ $this->response->setHeader('false', 'Access-Control-Allow-Credentials');
+ $this->response->setHeader('Link', 'Access-Control-Expose-Headers');
+ } elseif (substr($this->args->getQueryString(), 0, 11) == 'oauth/token') {
+ $this->response->setHeader('*', 'Access-Control-Allow-Origin');
+ $this->response->setHeader('*', 'Access-Control-Allow-Headers');
+ $this->response->setHeader(Router::POST, 'Access-Control-Allow-Methods');
+ $this->response->setHeader('false', 'Access-Control-Allow-Credentials');
}
$placeholder = '';
- $profiler->set(microtime(true), 'ready');
+ $this->profiler->set(microtime(true), 'ready');
$timestamp = microtime(true);
- Core\Hook::callAll($args->getModuleName() . '_mod_init', $placeholder);
-
- $profiler->set(microtime(true) - $timestamp, 'init');
+ Core\Hook::callAll($this->args->getModuleName() . '_mod_init', $placeholder);
+
+ $this->profiler->set(microtime(true) - $timestamp, 'init');
+
+ switch ($this->args->getMethod()) {
+ case Router::DELETE:
+ $this->delete($request);
+ break;
+ case Router::PATCH:
+ $this->patch($request);
+ break;
+ case Router::POST:
+ Core\Hook::callAll($this->args->getModuleName() . '_mod_post', $request);
+ $this->post($request);
+ break;
+ case Router::PUT:
+ $this->put($request);
+ break;
+ }
- if ($server['REQUEST_METHOD'] === Router::DELETE) {
- $this->delete();
+ $timestamp = microtime(true);
+ // "rawContent" is especially meant for technical endpoints.
+ // This endpoint doesn't need any theme initialization or other comparable stuff.
+ $this->rawContent($request);
+
+ try {
+ $arr = ['content' => ''];
+ Hook::callAll(static::class . '_mod_content', $arr);
+ $this->response->addContent($arr['content']);
+ $this->response->addContent($this->content($request));
+ } catch (HTTPException $e) {
+ $this->response->addContent((new ModuleHTTPException())->content($e));
+ } finally {
+ $this->profiler->set(microtime(true) - $timestamp, 'content');
}
- if ($server['REQUEST_METHOD'] === Router::PATCH) {
- $this->patch();
+ return $this->response->generate();
+ }
+
+ /**
+ * Checks request inputs and sets default parameters
+ *
+ * @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 $input Custom REQUEST array, superglobal instead
+ *
+ * @return array Request data
+ */
+ protected function checkDefaults(array $defaults, array $input): array
+ {
+ $request = [];
+
+ foreach ($defaults as $parameter => $defaultvalue) {
+ $request[$parameter] = $this->getRequestValue($input, $parameter, $defaultvalue);
}
- if ($server['REQUEST_METHOD'] === Router::POST) {
- Core\Hook::callAll($args->getModuleName() . '_mod_post', $post);
- $this->post();
+ foreach ($input ?? [] as $parameter => $value) {
+ if ($parameter == 'pagename') {
+ continue;
+ }
+ if (!in_array($parameter, array_keys($defaults))) {
+ $this->logger->notice('Unhandled request field', ['parameter' => $parameter, 'value' => $value, 'command' => $this->args->getCommand()]);
+ }
}
- if ($server['REQUEST_METHOD'] === Router::PUT) {
- $this->put();
+ $this->logger->debug('Got request parameters', ['request' => $request, 'command' => $this->args->getCommand()]);
+ return $request;
+ }
+
+ /**
+ * Fetch a request value and apply default values and check against minimal and maximal values
+ *
+ * @param array $input Input fields
+ * @param string $parameter Parameter
+ * @param mixed $default Default
+ * @param mixed $minimal_value Minimal value
+ * @param mixed $maximum_value Maximum value
+ * @return mixed null on error anything else on success (?)
+ */
+ public function getRequestValue(array $input, string $parameter, $default = null, $minimal_value = null, $maximum_value = null)
+ {
+ if (is_string($default)) {
+ $value = (string)($input[$parameter] ?? $default);
+ } elseif (is_int($default)) {
+ $value = filter_var($input[$parameter] ?? $default, FILTER_VALIDATE_INT);
+ if (!is_null($minimal_value)) {
+ $value = max(filter_var($minimal_value, FILTER_VALIDATE_INT), $value);
+ }
+ if (!is_null($maximum_value)) {
+ $value = min(filter_var($maximum_value, FILTER_VALIDATE_INT), $value);
+ }
+ } elseif (is_float($default)) {
+ $value = filter_var($input[$parameter] ?? $default, FILTER_VALIDATE_FLOAT);
+ if (!is_null($minimal_value)) {
+ $value = max(filter_var($minimal_value, FILTER_VALIDATE_FLOAT), $value);
+ }
+ if (!is_null($maximum_value)) {
+ $value = min(filter_var($maximum_value, FILTER_VALIDATE_FLOAT), $value);
+ }
+ } elseif (is_array($default)) {
+ $value = filter_var($input[$parameter] ?? $default, FILTER_DEFAULT, ['flags' => FILTER_FORCE_ARRAY]);
+ } elseif (is_bool($default)) {
+ $value = filter_var($input[$parameter] ?? $default, FILTER_VALIDATE_BOOLEAN);
+ } elseif (is_null($default)) {
+ $value = $input[$parameter] ?? null;
+ } else {
+ $this->logger->notice('Unhandled default value type', ['parameter' => $parameter, 'type' => gettype($default)]);
+ $value = null;
}
- // "rawContent" is especially meant for technical endpoints.
- // This endpoint doesn't need any theme initialization or other comparable stuff.
- $this->rawContent();
+ return $value;
}
- /*
+ /**
* Functions used to protect against Cross-Site Request Forgery
* The security token has to base on at least one value that an attacker can't know - here it's the session ID and the private key.
* In this implementation, a security token is reusable (if the user submits a form, goes back and resubmits the form, maybe with small changes;
* If the new page contains by any chance external elements, then the used security token is exposed by the referrer.
* Actually, important actions should not be triggered by Links / GET-Requests at all, but sometimes they still are,
* so this mechanism brings in some damage control (the attacker would be able to forge a request to a form of this type, but not to forms of other types).
+ *
+ * @param string $typename Type name
+ * @return string Security hash with timestamp
*/
- public static function getFormSecurityToken($typename = '')
+ public static function getFormSecurityToken(string $typename = ''): string
{
- $user = User::getById(DI::app()->getLoggedInUserId(), ['guid', 'prvkey']);
+ $user = User::getById(DI::app()->getLoggedInUserId(), ['guid', 'prvkey']);
$timestamp = time();
- $sec_hash = hash('whirlpool', ($user['guid'] ?? '') . ($user['prvkey'] ?? '') . session_id() . $timestamp . $typename);
+ $sec_hash = hash('whirlpool', ($user['guid'] ?? '') . ($user['prvkey'] ?? '') . session_id() . $timestamp . $typename);
return $timestamp . '.' . $sec_hash;
}
- public static function checkFormSecurityToken($typename = '', $formname = 'form_security_token')
+ /**
+ * Checks if form's security (CSRF) token is valid.
+ *
+ * @param string $typename ???
+ * @param string $formname Name of form/field (???)
+ * @return bool Whether it is valid
+ */
+ public static function checkFormSecurityToken(string $typename = '', string $formname = 'form_security_token'): bool
{
$hash = null;
return ($sec_hash == $x[1]);
}
- public static function getFormSecurityStandardErrorMessage()
+ public static function getFormSecurityStandardErrorMessage(): string
{
- return DI::l10n()->t("The form security token was not correct. This probably happened because the form has been opened for too long \x28>3 hours\x29 before submitting it.") . EOL;
+ return DI::l10n()->t("The form security token was not correct. This probably happened because the form has been opened for too long \x28>3 hours\x29 before submitting it.");
}
- public static function checkFormSecurityTokenRedirectOnError($err_redirect, $typename = '', $formname = 'form_security_token')
+ public static function checkFormSecurityTokenRedirectOnError(string $err_redirect, string $typename = '', string $formname = 'form_security_token')
{
if (!self::checkFormSecurityToken($typename, $formname)) {
Logger::notice('checkFormSecurityToken failed: user ' . DI::app()->getLoggedInUserNickname() . ' - form element ' . $typename);
Logger::debug('checkFormSecurityToken failed', ['request' => $_REQUEST]);
- notice(self::getFormSecurityStandardErrorMessage());
+ DI::sysmsg()->addNotice(self::getFormSecurityStandardErrorMessage());
DI::baseUrl()->redirect($err_redirect);
}
}
- public static function checkFormSecurityTokenForbiddenOnError($typename = '', $formname = 'form_security_token')
+ public static function checkFormSecurityTokenForbiddenOnError(string $typename = '', string $formname = 'form_security_token')
{
if (!self::checkFormSecurityToken($typename, $formname)) {
Logger::notice('checkFormSecurityToken failed: user ' . DI::app()->getLoggedInUserNickname() . ' - form element ' . $typename);
}
}
- protected static function getContactFilterTabs(string $baseUrl, string $current, bool $displayCommonTab)
+ protected static function getContactFilterTabs(string $baseUrl, string $current, bool $displayCommonTab): array
{
$tabs = [
[