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https://github.com/FreshRSS/FreshRSS.git
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7802fd33a6
For an extension, I needed to call a script from an external domain. Unfortunately, the CSP headers didn't allow this domain and I had to patch manually the FreshRSS FrontController for my extension. It's obviously not a long-term solution since it has nothing to do in the core of FRSS, and I don't want to apply this patch manually at each update. With this patch, I allow changing the CSP header from inside the controller actions. It allows extensions to modify headers. It's also an opportunity to remove a bit of code from the FrontController. I wasn't happy with the previous implementation anyhow. Reference: https://github.com/flusio/xExtension-Flus/commit/ed12d56#diff-ff12e33ed31b23bda327499fa6e84eccR143
75 lines
1.8 KiB
PHP
75 lines
1.8 KiB
PHP
<?php
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/**
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* MINZ - Copyright 2011 Marien Fressinaud
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* Sous licence AGPL3 <http://www.gnu.org/licenses/>
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*/
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/**
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* La classe ActionController représente le contrôleur de l'application
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*/
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class Minz_ActionController {
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protected $view;
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private $csp_policies = array(
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'default-src' => "'self'",
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);
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/**
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* Constructeur
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*/
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public function __construct () {
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$this->view = new Minz_View();
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$view_path = Minz_Request::controllerName() . '/' . Minz_Request::actionName() . '.phtml';
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$this->view->_path($view_path);
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$this->view->attributeParams ();
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}
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/**
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* Getteur
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*/
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public function view () {
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return $this->view;
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}
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/**
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* Set CSP policies.
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*
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* A default-src directive should always be given.
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*
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* References:
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* - https://developer.mozilla.org/en-US/docs/Web/HTTP/CSP
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* - https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Content-Security-Policy/default-src
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*
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* @param array $policies An array where keys are directives and values are sources.
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*/
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protected function _csp($policies) {
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if (!isset($policies['default-src'])) {
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$action = Minz_Request::controllerName() . '#' . Minz_Request::actionName();
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Minz_Log::warning(
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"Default CSP policy is not declared for action {$action}.",
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ADMIN_LOG
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);
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}
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$this->csp_policies = $policies;
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}
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/**
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* Send HTTP Content-Security-Policy header based on declared policies.
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*/
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public function declareCspHeader() {
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$policies = [];
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foreach ($this->csp_policies as $directive => $sources) {
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$policies[] = $directive . ' ' . $sources;
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}
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header('Content-Security-Policy: ' . implode('; ', $policies));
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}
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/**
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* Méthodes à redéfinir (ou non) par héritage
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* firstAction est la première méthode exécutée par le Dispatcher
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* lastAction est la dernière
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*/
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public function init () { }
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public function firstAction () { }
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public function lastAction () { }
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}
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