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<?php |
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|
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require_once __DIR__ . '/url.php'; |
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|
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/** |
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* A 'pass through' action. Matches a rewrite rather than a redirect, and uses PHP to fetch data from a remote URL. |
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*/ |
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class Pass_Action extends Url_Action { |
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/** |
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* Process an external passthrough - a URL that lives external to this server. |
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* |
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* @param string $url Target URL. |
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* @return void |
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*/ |
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public function process_external( $url ) { |
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// This is entirely at the user's risk. The $url is set by the user |
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// phpcs:ignore |
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echo wp_remote_fopen( $url ); |
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} |
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|
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/** |
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* Process an internal passthrough - a URL that lives on the same server. Here we change the request URI and continue without making a remote request. |
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* |
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* @param string $target Target URL. |
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* @return void |
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*/ |
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public function process_internal( $target ) { |
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// Another URL on the server |
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$pos = strpos( $target, '?' ); |
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$_SERVER['REQUEST_URI'] = $target; |
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$_SERVER['PATH_INFO'] = $target; |
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|
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if ( $pos ) { |
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$_SERVER['QUERY_STRING'] = substr( $target, $pos + 1 ); |
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$_SERVER['PATH_INFO'] = $target; |
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|
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// Take the query params in the target and make them the params for this request |
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parse_str( $_SERVER['QUERY_STRING'], $_GET ); |
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} |
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} |
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|
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/** |
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* Is a URL external? |
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* |
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* @param string $target URL to test. |
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* @return boolean |
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*/ |
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public function is_external( $target ) { |
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return substr( $target, 0, 7 ) === 'http://' || substr( $target, 0, 8 ) === 'https://'; |
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} |
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|
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/** |
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* Pass the data from the target |
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* |
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* @return void |
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*/ |
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public function run() { |
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// External target |
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$target = $this->get_target(); |
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if ( $target === null ) { |
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return; |
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} |
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|
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if ( $this->is_external( $target ) ) { |
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// Pass on to an external request, echo the results, and then stop |
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$this->process_external( $target ); |
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exit(); |
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} |
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|
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// Change the request and carry on |
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$this->process_internal( $target ); |
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} |
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|
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public function name() { |
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return __( 'Pass-through', 'redirection' ); |
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} |
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} |
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