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<?php |
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namespace PhalconExt\Http\Middleware; |
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use Phalcon\Http\Request; |
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use Phalcon\Http\Response; |
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use PhalconExt\Http\BaseMiddleware; |
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class Cors extends BaseMiddleware |
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{ |
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/** @var string */ |
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protected $origin; |
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protected $configKey = 'cors'; |
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/** |
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* Handle the cors. |
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* |
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* @param Request $request |
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* @param Response $response |
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* |
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* @return bool |
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*/ |
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public function before(Request $request, Response $response): bool |
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{ |
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$this->origin = $request->getHeader('Origin'); |
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if (!$this->isApplicable($request)) { |
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return true; |
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} |
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if ($this->canPreflight($request)) { |
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return $this->preflight($request, $response); |
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} |
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return $this->serve($response); |
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} |
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/** |
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* If cors is applicable for this request. |
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* |
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* Not applicable if origin is empty or same as current host. |
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* |
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* @param Request $request |
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* |
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* @return bool |
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*/ |
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protected function isApplicable(Request $request): bool |
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{ |
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if (empty($this->origin)) { |
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return false; |
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} |
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return $this->origin !== $request->getScheme() . '://' . $request->getHttpHost(); |
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} |
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/** |
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* Check if request can be served as preflight. |
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* |
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* @param Request $request |
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* |
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* @return bool |
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*/ |
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protected function canPreflight(Request $request) : bool |
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{ |
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if (empty($request->getHeader('Access-Control-Request-Method')) || |
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$request->getMethod() !== 'OPTIONS' |
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) { |
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return false; |
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} |
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return true; |
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} |
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/** |
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* Handle preflight. |
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* |
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* @param Request $request |
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* @param Response $response |
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* |
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* @return bool |
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*/ |
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protected function preflight(Request $request, Response $response): bool |
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{ |
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if (!\in_array($request->getHeader('Access-Control-Request-Method'), $this->config['allowedMethods'])) { |
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return $this->abort(405); |
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} |
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if (!$this->areHeadersAllowed($request->getHeader('Access-Control-Request-Headers'))) { |
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return $this->abort(403); |
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} |
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$this->disableView(); |
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$response |
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->setHeader('Access-Control-Allow-Origin', $this->origin) |
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->setHeader('Access-Control-Allow-Credentials', 'true') |
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->setHeader('Access-Control-Allow-Methods', \implode(', ', $this->config['allowedMethods'])) |
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->setHeader('Access-Control-Allow-Headers', \implode(', ', $this->config['allowedHeaders'])) |
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->setHeader('Access-Control-Max-Age', $this->config['maxAge']) |
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->setContent('') |
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->send(); |
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return false; |
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} |
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/** |
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* Check if cors headers from client are allowed. |
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* |
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* @param string|null $corsRequestHeaders |
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* |
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* @return bool |
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*/ |
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protected function areHeadersAllowed(string $corsRequestHeaders = null) |
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{ |
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if ('' === \trim($corsRequestHeaders)) { |
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return true; |
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} |
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// Normalize request headers for comparison. |
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$corsRequestHeaders = \array_map( |
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'strtolower', |
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\explode(',', \str_replace(' ', '', $corsRequestHeaders)) |
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); |
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return empty(\array_diff($corsRequestHeaders, $this->config['allowedHeaders'])); |
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} |
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/** |
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* Serve cors headers. |
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* |
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* @param Response $response |
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* |
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* @return bool |
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*/ |
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public function serve(Response $response): bool |
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{ |
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if (!$this->isOriginAllowed()) { |
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return $this->abort(403); |
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} |
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$response |
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->setHeader('Access-Control-Allow-Origin', $this->origin) |
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->setHeader('Access-Control-Allow-Credentials', 'true'); |
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// Optionally set expose headers. |
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if ($this->config['exposedHeaders'] ?? null) { |
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$response->setHeader('Access-Control-Expose-Headers', \implode(', ', $this->config['exposedHeaders'])); |
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} |
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return true; |
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} |
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/** |
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* If origin is white listed. |
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* |
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* @return bool |
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*/ |
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protected function isOriginAllowed(): bool |
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{ |
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if (\in_array('*', $this->config['allowedOrigins'])) { |
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return true; |
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} |
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return \in_array($this->origin, $this->config['allowedOrigins']); |
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} |
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} |
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adhocore /
phalcon-ext
Loading history...
The issue could also be caused by a filter entry in the build configuration. If the path has been excluded in your configuration, e.g.
excluded_paths: ["lib/*"], you can move it to the dependency path list as follows:For further information see https://scrutinizer-ci.com/docs/tools/php/php-scrutinizer/#list-dependency-paths