--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/web/enmi/Zend/Http/Client/Adapter/Curl.php Thu Jan 20 19:30:54 2011 +0100
@@ -0,0 +1,507 @@
+<?php
+
+/**
+ * Zend Framework
+ *
+ * LICENSE
+ *
+ * This source file is subject to the new BSD license that is bundled
+ * with this package in the file LICENSE.txt.
+ * It is also available through the world-wide-web at this URL:
+ * http://framework.zend.com/license/new-bsd
+ * If you did not receive a copy of the license and are unable to
+ * obtain it through the world-wide-web, please send an email
+ * to license@zend.com so we can send you a copy immediately.
+ *
+ * @category Zend
+ * @package Zend_Http
+ * @subpackage Client_Adapter
+ * @version $Id: Curl.php 22216 2010-05-20 21:12:05Z dragonbe $
+ * @copyright Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license http://framework.zend.com/license/new-bsd New BSD License
+ */
+
+/**
+ * @see Zend_Uri_Http
+ */
+require_once 'Zend/Uri/Http.php';
+
+/**
+ * @see Zend_Http_Client_Adapter_Interface
+ */
+require_once 'Zend/Http/Client/Adapter/Interface.php';
+/**
+ * @see Zend_Http_Client_Adapter_Stream
+ */
+require_once 'Zend/Http/Client/Adapter/Stream.php';
+
+/**
+ * An adapter class for Zend_Http_Client based on the curl extension.
+ * Curl requires libcurl. See for full requirements the PHP manual: http://php.net/curl
+ *
+ * @category Zend
+ * @package Zend_Http
+ * @subpackage Client_Adapter
+ * @copyright Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license http://framework.zend.com/license/new-bsd New BSD License
+ */
+class Zend_Http_Client_Adapter_Curl implements Zend_Http_Client_Adapter_Interface, Zend_Http_Client_Adapter_Stream
+{
+ /**
+ * Parameters array
+ *
+ * @var array
+ */
+ protected $_config = array();
+
+ /**
+ * What host/port are we connected to?
+ *
+ * @var array
+ */
+ protected $_connected_to = array(null, null);
+
+ /**
+ * The curl session handle
+ *
+ * @var resource|null
+ */
+ protected $_curl = null;
+
+ /**
+ * List of cURL options that should never be overwritten
+ *
+ * @var array
+ */
+ protected $_invalidOverwritableCurlOptions;
+
+ /**
+ * Response gotten from server
+ *
+ * @var string
+ */
+ protected $_response = null;
+
+ /**
+ * Stream for storing output
+ *
+ * @var resource
+ */
+ protected $out_stream;
+
+ /**
+ * Adapter constructor
+ *
+ * Config is set using setConfig()
+ *
+ * @return void
+ * @throws Zend_Http_Client_Adapter_Exception
+ */
+ public function __construct()
+ {
+ if (!extension_loaded('curl')) {
+ require_once 'Zend/Http/Client/Adapter/Exception.php';
+ throw new Zend_Http_Client_Adapter_Exception('cURL extension has to be loaded to use this Zend_Http_Client adapter.');
+ }
+ $this->_invalidOverwritableCurlOptions = array(
+ CURLOPT_HTTPGET,
+ CURLOPT_POST,
+ CURLOPT_PUT,
+ CURLOPT_CUSTOMREQUEST,
+ CURLOPT_HEADER,
+ CURLOPT_RETURNTRANSFER,
+ CURLOPT_HTTPHEADER,
+ CURLOPT_POSTFIELDS,
+ CURLOPT_INFILE,
+ CURLOPT_INFILESIZE,
+ CURLOPT_PORT,
+ CURLOPT_MAXREDIRS,
+ CURLOPT_CONNECTTIMEOUT,
+ CURL_HTTP_VERSION_1_1,
+ CURL_HTTP_VERSION_1_0,
+ );
+ }
+
+ /**
+ * Set the configuration array for the adapter
+ *
+ * @throws Zend_Http_Client_Adapter_Exception
+ * @param Zend_Config | array $config
+ * @return Zend_Http_Client_Adapter_Curl
+ */
+ public function setConfig($config = array())
+ {
+ if ($config instanceof Zend_Config) {
+ $config = $config->toArray();
+
+ } elseif (! is_array($config)) {
+ require_once 'Zend/Http/Client/Adapter/Exception.php';
+ throw new Zend_Http_Client_Adapter_Exception(
+ 'Array or Zend_Config object expected, got ' . gettype($config)
+ );
+ }
+
+ if(isset($config['proxy_user']) && isset($config['proxy_pass'])) {
+ $this->setCurlOption(CURLOPT_PROXYUSERPWD, $config['proxy_user'].":".$config['proxy_pass']);
+ unset($config['proxy_user'], $config['proxy_pass']);
+ }
+
+ foreach ($config as $k => $v) {
+ $option = strtolower($k);
+ switch($option) {
+ case 'proxy_host':
+ $this->setCurlOption(CURLOPT_PROXY, $v);
+ break;
+ case 'proxy_port':
+ $this->setCurlOption(CURLOPT_PROXYPORT, $v);
+ break;
+ default:
+ $this->_config[$option] = $v;
+ break;
+ }
+ }
+
+ return $this;
+ }
+
+ /**
+ * Retrieve the array of all configuration options
+ *
+ * @return array
+ */
+ public function getConfig()
+ {
+ return $this->_config;
+ }
+
+ /**
+ * Direct setter for cURL adapter related options.
+ *
+ * @param string|int $option
+ * @param mixed $value
+ * @return Zend_Http_Adapter_Curl
+ */
+ public function setCurlOption($option, $value)
+ {
+ if (!isset($this->_config['curloptions'])) {
+ $this->_config['curloptions'] = array();
+ }
+ $this->_config['curloptions'][$option] = $value;
+ return $this;
+ }
+
+ /**
+ * Initialize curl
+ *
+ * @param string $host
+ * @param int $port
+ * @param boolean $secure
+ * @return void
+ * @throws Zend_Http_Client_Adapter_Exception if unable to connect
+ */
+ public function connect($host, $port = 80, $secure = false)
+ {
+ // If we're already connected, disconnect first
+ if ($this->_curl) {
+ $this->close();
+ }
+
+ // If we are connected to a different server or port, disconnect first
+ if ($this->_curl
+ && is_array($this->_connected_to)
+ && ($this->_connected_to[0] != $host
+ || $this->_connected_to[1] != $port)
+ ) {
+ $this->close();
+ }
+
+ // Do the actual connection
+ $this->_curl = curl_init();
+ if ($port != 80) {
+ curl_setopt($this->_curl, CURLOPT_PORT, intval($port));
+ }
+
+ // Set timeout
+ curl_setopt($this->_curl, CURLOPT_CONNECTTIMEOUT, $this->_config['timeout']);
+
+ // Set Max redirects
+ curl_setopt($this->_curl, CURLOPT_MAXREDIRS, $this->_config['maxredirects']);
+
+ if (!$this->_curl) {
+ $this->close();
+
+ require_once 'Zend/Http/Client/Adapter/Exception.php';
+ throw new Zend_Http_Client_Adapter_Exception('Unable to Connect to ' . $host . ':' . $port);
+ }
+
+ if ($secure !== false) {
+ // Behave the same like Zend_Http_Adapter_Socket on SSL options.
+ if (isset($this->_config['sslcert'])) {
+ curl_setopt($this->_curl, CURLOPT_SSLCERT, $this->_config['sslcert']);
+ }
+ if (isset($this->_config['sslpassphrase'])) {
+ curl_setopt($this->_curl, CURLOPT_SSLCERTPASSWD, $this->_config['sslpassphrase']);
+ }
+ }
+
+ // Update connected_to
+ $this->_connected_to = array($host, $port);
+ }
+
+ /**
+ * Send request to the remote server
+ *
+ * @param string $method
+ * @param Zend_Uri_Http $uri
+ * @param float $http_ver
+ * @param array $headers
+ * @param string $body
+ * @return string $request
+ * @throws Zend_Http_Client_Adapter_Exception If connection fails, connected to wrong host, no PUT file defined, unsupported method, or unsupported cURL option
+ */
+ public function write($method, $uri, $httpVersion = 1.1, $headers = array(), $body = '')
+ {
+ // Make sure we're properly connected
+ if (!$this->_curl) {
+ require_once 'Zend/Http/Client/Adapter/Exception.php';
+ throw new Zend_Http_Client_Adapter_Exception("Trying to write but we are not connected");
+ }
+
+ if ($this->_connected_to[0] != $uri->getHost() || $this->_connected_to[1] != $uri->getPort()) {
+ require_once 'Zend/Http/Client/Adapter/Exception.php';
+ throw new Zend_Http_Client_Adapter_Exception("Trying to write but we are connected to the wrong host");
+ }
+
+ // set URL
+ curl_setopt($this->_curl, CURLOPT_URL, $uri->__toString());
+
+ // ensure correct curl call
+ $curlValue = true;
+ switch ($method) {
+ case Zend_Http_Client::GET:
+ $curlMethod = CURLOPT_HTTPGET;
+ break;
+
+ case Zend_Http_Client::POST:
+ $curlMethod = CURLOPT_POST;
+ break;
+
+ case Zend_Http_Client::PUT:
+ // There are two different types of PUT request, either a Raw Data string has been set
+ // or CURLOPT_INFILE and CURLOPT_INFILESIZE are used.
+ if(is_resource($body)) {
+ $this->_config['curloptions'][CURLOPT_INFILE] = $body;
+ }
+ if (isset($this->_config['curloptions'][CURLOPT_INFILE])) {
+ // Now we will probably already have Content-Length set, so that we have to delete it
+ // from $headers at this point:
+ foreach ($headers AS $k => $header) {
+ if (preg_match('/Content-Length:\s*(\d+)/i', $header, $m)) {
+ if(is_resource($body)) {
+ $this->_config['curloptions'][CURLOPT_INFILESIZE] = (int)$m[1];
+ }
+ unset($headers[$k]);
+ }
+ }
+
+ if (!isset($this->_config['curloptions'][CURLOPT_INFILESIZE])) {
+ require_once 'Zend/Http/Client/Adapter/Exception.php';
+ throw new Zend_Http_Client_Adapter_Exception("Cannot set a file-handle for cURL option CURLOPT_INFILE without also setting its size in CURLOPT_INFILESIZE.");
+ }
+
+ if(is_resource($body)) {
+ $body = '';
+ }
+
+ $curlMethod = CURLOPT_PUT;
+ } else {
+ $curlMethod = CURLOPT_CUSTOMREQUEST;
+ $curlValue = "PUT";
+ }
+ break;
+
+ case Zend_Http_Client::DELETE:
+ $curlMethod = CURLOPT_CUSTOMREQUEST;
+ $curlValue = "DELETE";
+ break;
+
+ case Zend_Http_Client::OPTIONS:
+ $curlMethod = CURLOPT_CUSTOMREQUEST;
+ $curlValue = "OPTIONS";
+ break;
+
+ case Zend_Http_Client::TRACE:
+ $curlMethod = CURLOPT_CUSTOMREQUEST;
+ $curlValue = "TRACE";
+ break;
+
+ case Zend_Http_Client::HEAD:
+ $curlMethod = CURLOPT_CUSTOMREQUEST;
+ $curlValue = "HEAD";
+ break;
+
+ default:
+ // For now, through an exception for unsupported request methods
+ require_once 'Zend/Http/Client/Adapter/Exception.php';
+ throw new Zend_Http_Client_Adapter_Exception("Method currently not supported");
+ }
+
+ if(is_resource($body) && $curlMethod != CURLOPT_PUT) {
+ require_once 'Zend/Http/Client/Adapter/Exception.php';
+ throw new Zend_Http_Client_Adapter_Exception("Streaming requests are allowed only with PUT");
+ }
+
+ // get http version to use
+ $curlHttp = ($httpVersion == 1.1) ? CURL_HTTP_VERSION_1_1 : CURL_HTTP_VERSION_1_0;
+
+ // mark as HTTP request and set HTTP method
+ curl_setopt($this->_curl, $curlHttp, true);
+ curl_setopt($this->_curl, $curlMethod, $curlValue);
+
+ if($this->out_stream) {
+ // headers will be read into the response
+ curl_setopt($this->_curl, CURLOPT_HEADER, false);
+ curl_setopt($this->_curl, CURLOPT_HEADERFUNCTION, array($this, "readHeader"));
+ // and data will be written into the file
+ curl_setopt($this->_curl, CURLOPT_FILE, $this->out_stream);
+ } else {
+ // ensure headers are also returned
+ curl_setopt($this->_curl, CURLOPT_HEADER, true);
+
+ // ensure actual response is returned
+ curl_setopt($this->_curl, CURLOPT_RETURNTRANSFER, true);
+ }
+
+ // set additional headers
+ $headers['Accept'] = '';
+ curl_setopt($this->_curl, CURLOPT_HTTPHEADER, $headers);
+
+ /**
+ * Make sure POSTFIELDS is set after $curlMethod is set:
+ * @link http://de2.php.net/manual/en/function.curl-setopt.php#81161
+ */
+ if ($method == Zend_Http_Client::POST) {
+ curl_setopt($this->_curl, CURLOPT_POSTFIELDS, $body);
+ } elseif ($curlMethod == CURLOPT_PUT) {
+ // this covers a PUT by file-handle:
+ // Make the setting of this options explicit (rather than setting it through the loop following a bit lower)
+ // to group common functionality together.
+ curl_setopt($this->_curl, CURLOPT_INFILE, $this->_config['curloptions'][CURLOPT_INFILE]);
+ curl_setopt($this->_curl, CURLOPT_INFILESIZE, $this->_config['curloptions'][CURLOPT_INFILESIZE]);
+ unset($this->_config['curloptions'][CURLOPT_INFILE]);
+ unset($this->_config['curloptions'][CURLOPT_INFILESIZE]);
+ } elseif ($method == Zend_Http_Client::PUT) {
+ // This is a PUT by a setRawData string, not by file-handle
+ curl_setopt($this->_curl, CURLOPT_POSTFIELDS, $body);
+ }
+
+ // set additional curl options
+ if (isset($this->_config['curloptions'])) {
+ foreach ((array)$this->_config['curloptions'] as $k => $v) {
+ if (!in_array($k, $this->_invalidOverwritableCurlOptions)) {
+ if (curl_setopt($this->_curl, $k, $v) == false) {
+ require_once 'Zend/Http/Client/Exception.php';
+ throw new Zend_Http_Client_Exception(sprintf("Unknown or erroreous cURL option '%s' set", $k));
+ }
+ }
+ }
+ }
+
+ // send the request
+ $response = curl_exec($this->_curl);
+
+ // if we used streaming, headers are already there
+ if(!is_resource($this->out_stream)) {
+ $this->_response = $response;
+ }
+
+ $request = curl_getinfo($this->_curl, CURLINFO_HEADER_OUT);
+ $request .= $body;
+
+ if (empty($this->_response)) {
+ require_once 'Zend/Http/Client/Exception.php';
+ throw new Zend_Http_Client_Exception("Error in cURL request: " . curl_error($this->_curl));
+ }
+
+ // cURL automatically decodes chunked-messages, this means we have to disallow the Zend_Http_Response to do it again
+ if (stripos($this->_response, "Transfer-Encoding: chunked\r\n")) {
+ $this->_response = str_ireplace("Transfer-Encoding: chunked\r\n", '', $this->_response);
+ }
+
+ // Eliminate multiple HTTP responses.
+ do {
+ $parts = preg_split('|(?:\r?\n){2}|m', $this->_response, 2);
+ $again = false;
+
+ if (isset($parts[1]) && preg_match("|^HTTP/1\.[01](.*?)\r\n|mi", $parts[1])) {
+ $this->_response = $parts[1];
+ $again = true;
+ }
+ } while ($again);
+
+ // cURL automatically handles Proxy rewrites, remove the "HTTP/1.0 200 Connection established" string:
+ if (stripos($this->_response, "HTTP/1.0 200 Connection established\r\n\r\n") !== false) {
+ $this->_response = str_ireplace("HTTP/1.0 200 Connection established\r\n\r\n", '', $this->_response);
+ }
+
+ return $request;
+ }
+
+ /**
+ * Return read response from server
+ *
+ * @return string
+ */
+ public function read()
+ {
+ return $this->_response;
+ }
+
+ /**
+ * Close the connection to the server
+ *
+ */
+ public function close()
+ {
+ if(is_resource($this->_curl)) {
+ curl_close($this->_curl);
+ }
+ $this->_curl = null;
+ $this->_connected_to = array(null, null);
+ }
+
+ /**
+ * Get cUrl Handle
+ *
+ * @return resource
+ */
+ public function getHandle()
+ {
+ return $this->_curl;
+ }
+
+ /**
+ * Set output stream for the response
+ *
+ * @param resource $stream
+ * @return Zend_Http_Client_Adapter_Socket
+ */
+ public function setOutputStream($stream)
+ {
+ $this->out_stream = $stream;
+ return $this;
+ }
+
+ /**
+ * Header reader function for CURL
+ *
+ * @param resource $curl
+ * @param string $header
+ * @return int
+ */
+ public function readHeader($curl, $header)
+ {
+ $this->_response .= $header;
+ return strlen($header);
+ }
+}