121 lines
3.5 KiB
PHP
121 lines
3.5 KiB
PHP
<?php
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/*--------------------------------------------------------+
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| SYSTOPIA CiviProxy |
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| a simple proxy solution for external access to CiviCRM |
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| Copyright (C) 2017 SYSTOPIA |
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| Author: B. Endres (endres -at- systopia.de) |
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| http://www.systopia.de/ |
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+---------------------------------------------------------*/
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require_once "config.php";
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require_once "proxy.php";
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// see if file caching is enabled
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if (!$target_mosaico) civiproxy_http_error("Feature disabled", 405);
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// basic check
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civiproxy_security_check('file');
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// basic restraints
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$valid_parameters = array( 'id' => 'string' );
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$parameters = civiproxy_get_parameters($valid_parameters);
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// check if id specified
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if (empty($parameters['id'])) civiproxy_http_error("Resource not found");
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// check restrictions
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if (!empty($file_cache_exclude)) {
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foreach ($file_cache_exclude as $pattern) {
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if (preg_match($pattern, $parameters['id'])) {
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civiproxy_http_error("Invalid Resource", 403);
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}
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}
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}
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if (!empty($file_cache_include)) {
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$accept_id = FALSE;
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foreach ($file_cache_include as $pattern) {
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if (preg_match($pattern, $parameters['id'])) {
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$accept_id = TRUE;
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}
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}
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if (!$accept_id) {
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civiproxy_http_error("Invalid Resource", 403);
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}
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}
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// load PEAR file cache
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ini_set('include_path', ini_get('include_path') . PATH_SEPARATOR . 'libs');
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if (!file_exists($file_cache_options['cacheDir'])) mkdir($file_cache_options['cacheDir']);
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require_once('Cache/Lite.php');
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$file_cache = new Cache_Lite($file_cache_options);
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// look up the required resource
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$header_key = 'header&' . $parameters['id'];
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$data_key = 'data&' . $parameters['id'];
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$header = $file_cache->get($header_key);
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$data = $file_cache->get($data_key);
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if ($header && $data) {
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// error_log("CACHE HIT");
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$header_lines = json_decode($header);
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foreach ($header_lines as $header_line) {
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header($header_line);
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}
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print $data;
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exit();
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}
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// if we get here, we have a cache miss => load
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$url = $target_mosaico . $parameters['id'];
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$curlSession = curl_init();
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curl_setopt($curlSession, CURLOPT_URL, $url);
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curl_setopt($curlSession, CURLOPT_HEADER, 1);
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curl_setopt($curlSession, CURLOPT_RETURNTRANSFER,1);
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curl_setopt($curlSession, CURLOPT_TIMEOUT, 30);
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curl_setopt($curlSession, CURLOPT_SSL_VERIFYHOST, 2);
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if (!empty($target_interface)) {
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curl_setopt($curlSession, CURLOPT_INTERFACE, $target_interface);
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}
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if (file_exists(dirname(__FILE__).'/target.pem')) {
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curl_setopt($curlSession, CURLOPT_CAINFO, dirname(__FILE__).'/target.pem');
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}
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//Send the request and store the result in an array
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$response = curl_exec($curlSession);
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// Check that a connection was made
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if (curl_error($curlSession)) {
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error_log(curl_error($curlSession));
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civiproxy_http_error(curl_error($curlSession), curl_errno($curlSession));
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}
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// process the results
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$content = explode("\r\n\r\n", $response, 2);
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$header = $content[0];
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$body = $content[1];
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// extract headers
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$header_lines = explode(chr(10), $header);
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// Remove chunked encoding header
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foreach ($header_lines as $k => $header_line) {
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if(strpos($header_line,'Transfer-Encoding: chunked') !== FALSE) {
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unset($header_lines[$k]);
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}
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}
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// store the information in the cache
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$file_cache->save(json_encode($header_lines), $header_key);
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$file_cache->save($body, $data_key);
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// and reply
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foreach ($header_lines as $header_line) {
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header($header_line);
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}
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print $body;
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curl_close ($curlSession);
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