kopia lustrzana https://github.com/magicbug/Cloudlog
372 wiersze
9.3 KiB
PHP
372 wiersze
9.3 KiB
PHP
<?php defined('BASEPATH') OR exit('No direct script access allowed');
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/**
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* CodeIgniter Curl Class
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*
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* Work with remote servers via cURL much easier than using the native PHP bindings.
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*
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* @package CodeIgniter
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* @subpackage Libraries
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* @category Libraries
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* @author Philip Sturgeon
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* @license http://philsturgeon.co.uk/code/dbad-license
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* @link http://getsparks.org/packages/curl/show
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*/
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class Curl {
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private $_ci; // CodeIgniter instance
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private $response = ''; // Contains the cURL response for debug
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private $session; // Contains the cURL handler for a session
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private $url; // URL of the session
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private $options = array(); // Populates curl_setopt_array
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private $headers = array(); // Populates extra HTTP headers
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public $error_code; // Error code returned as an int
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public $error_string; // Error message returned as a string
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public $info; // Returned after request (elapsed time, etc)
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function __construct($url = '')
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{
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$this->_ci = & get_instance();
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log_message('debug', 'cURL Class Initialized');
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if ( ! $this->is_enabled())
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{
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log_message('error', 'cURL Class - PHP was not built with cURL enabled. Rebuild PHP with --with-curl to use cURL.');
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}
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$url AND $this->create($url);
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}
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function __call($method, $arguments)
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{
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if (in_array($method, array('simple_get', 'simple_post', 'simple_put', 'simple_delete')))
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{
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// Take off the "simple_" and past get/post/put/delete to _simple_call
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$verb = str_replace('simple_', '', $method);
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array_unshift($arguments, $verb);
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return call_user_func_array(array($this, '_simple_call'), $arguments);
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}
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}
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/* =================================================================================
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* SIMPLE METHODS
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* Using these methods you can make a quick and easy cURL call with one line.
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* ================================================================================= */
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public function _simple_call($method, $url, $params = array(), $options = array())
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{
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// Get acts differently, as it doesnt accept parameters in the same way
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if ($method === 'get')
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{
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// If a URL is provided, create new session
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$this->create($url.($params ? '?'.http_build_query($params) : ''));
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}
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else
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{
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// If a URL is provided, create new session
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$this->create($url);
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$this->{$method}($params);
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}
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// Add in the specific options provided
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$this->options($options);
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return $this->execute();
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}
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public function simple_ftp_get($url, $file_path, $username = '', $password = '')
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{
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// If there is no ftp:// or any protocol entered, add ftp://
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if ( ! preg_match('!^(ftp|sftp)://! i', $url))
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{
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$url = 'ftp://' . $url;
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}
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// Use an FTP login
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if ($username != '')
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{
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$auth_string = $username;
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if ($password != '')
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{
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$auth_string .= ':' . $password;
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}
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// Add the user auth string after the protocol
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$url = str_replace('://', '://' . $auth_string . '@', $url);
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}
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// Add the filepath
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$url .= $file_path;
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$this->option(CURLOPT_BINARYTRANSFER, TRUE);
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$this->option(CURLOPT_VERBOSE, TRUE);
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return $this->execute();
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}
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/* =================================================================================
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* ADVANCED METHODS
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* Use these methods to build up more complex queries
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* ================================================================================= */
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public function post($params = array(), $options = array())
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{
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// If its an array (instead of a query string) then format it correctly
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if (is_array($params))
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{
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$params = http_build_query($params, NULL, '&');
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}
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// Add in the specific options provided
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$this->options($options);
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$this->http_method('post');
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$this->option(CURLOPT_POST, TRUE);
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$this->option(CURLOPT_POSTFIELDS, $params);
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}
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public function put($params = array(), $options = array())
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{
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// If its an array (instead of a query string) then format it correctly
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if (is_array($params))
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{
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$params = http_build_query($params, NULL, '&');
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}
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// Add in the specific options provided
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$this->options($options);
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$this->http_method('put');
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$this->option(CURLOPT_POSTFIELDS, $params);
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// Override method, I think this overrides $_POST with PUT data but... we'll see eh?
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$this->option(CURLOPT_HTTPHEADER, array('X-HTTP-Method-Override: PUT'));
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}
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public function delete($params, $options = array())
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{
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// If its an array (instead of a query string) then format it correctly
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if (is_array($params))
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{
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$params = http_build_query($params, NULL, '&');
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}
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// Add in the specific options provided
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$this->options($options);
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$this->http_method('delete');
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$this->option(CURLOPT_POSTFIELDS, $params);
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}
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public function set_cookies($params = array())
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{
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if (is_array($params))
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{
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$params = http_build_query($params, NULL, '&');
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}
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$this->option(CURLOPT_COOKIE, $params);
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return $this;
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}
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public function http_header($header, $content = NULL)
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{
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$this->headers[] = $content ? $header . ': ' . $content : $header;
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}
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public function http_method($method)
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{
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$this->options[CURLOPT_CUSTOMREQUEST] = strtoupper($method);
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return $this;
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}
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public function http_login($username = '', $password = '', $type = 'any')
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{
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$this->option(CURLOPT_HTTPAUTH, constant('CURLAUTH_' . strtoupper($type)));
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$this->option(CURLOPT_USERPWD, $username . ':' . $password);
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return $this;
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}
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public function proxy($url = '', $port = 80)
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{
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$this->option(CURLOPT_HTTPPROXYTUNNEL, TRUE);
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$this->option(CURLOPT_PROXY, $url . ':' . $port);
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return $this;
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}
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public function proxy_login($username = '', $password = '')
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{
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$this->option(CURLOPT_PROXYUSERPWD, $username . ':' . $password);
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return $this;
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}
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public function ssl($verify_peer = TRUE, $verify_host = 2, $path_to_cert = NULL)
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{
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if ($verify_peer)
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{
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$this->option(CURLOPT_SSL_VERIFYPEER, TRUE);
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$this->option(CURLOPT_SSL_VERIFYHOST, $verify_host);
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$this->option(CURLOPT_CAINFO, $path_to_cert);
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}
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else
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{
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$this->option(CURLOPT_SSL_VERIFYPEER, FALSE);
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}
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return $this;
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}
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public function options($options = array())
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{
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// Merge options in with the rest - done as array_merge() does not overwrite numeric keys
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foreach ($options as $option_code => $option_value)
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{
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$this->option($option_code, $option_value);
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}
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// Set all options provided
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curl_setopt_array($this->session, $this->options);
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return $this;
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}
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public function option($code, $value)
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{
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if (is_string($code) && !is_numeric($code))
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{
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$code = constant('CURLOPT_' . strtoupper($code));
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}
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$this->options[$code] = $value;
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return $this;
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}
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// Start a session from a URL
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public function create($url)
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{
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// If no a protocol in URL, assume its a CI link
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if ( ! preg_match('!^\w+://! i', $url))
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{
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$this->_ci->load->helper('url');
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$url = site_url($url);
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}
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$this->url = $url;
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$this->session = curl_init($this->url);
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return $this;
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}
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// End a session and return the results
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public function execute()
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{
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// Set two default options, and merge any extra ones in
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if ( ! isset($this->options[CURLOPT_TIMEOUT]))
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{
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$this->options[CURLOPT_TIMEOUT] = 30;
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}
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if ( ! isset($this->options[CURLOPT_RETURNTRANSFER]))
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{
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$this->options[CURLOPT_RETURNTRANSFER] = TRUE;
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}
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if ( ! isset($this->options[CURLOPT_FAILONERROR]))
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{
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$this->options[CURLOPT_FAILONERROR] = TRUE;
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}
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// Only set follow location if not running securely
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if ( ! ini_get('safe_mode') && !ini_get('open_basedir'))
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{
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// Ok, follow location is not set already so lets set it to true
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if ( ! isset($this->options[CURLOPT_FOLLOWLOCATION]))
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{
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$this->options[CURLOPT_FOLLOWLOCATION] = TRUE;
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}
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}
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if ( ! empty($this->headers))
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{
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$this->option(CURLOPT_HTTPHEADER, $this->headers);
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}
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$this->options();
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// Execute the request & and hide all output
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$this->response = curl_exec($this->session);
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$this->info = curl_getinfo($this->session);
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// Request failed
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if ($this->response === FALSE)
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{
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$this->error_code = curl_errno($this->session);
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$this->error_string = curl_error($this->session);
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curl_close($this->session);
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$this->set_defaults();
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return FALSE;
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}
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// Request successful
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else
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{
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curl_close($this->session);
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$response = $this->response;
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$this->set_defaults();
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return $response;
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}
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}
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public function is_enabled()
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{
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return function_exists('curl_init');
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}
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public function debug()
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{
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echo "=============================================<br/>\n";
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echo "<h2>CURL Test</h2>\n";
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echo "=============================================<br/>\n";
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echo "<h3>Response</h3>\n";
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echo "<code>" . nl2br(htmlentities($this->response)) . "</code><br/>\n\n";
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if ($this->error_string)
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{
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echo "=============================================<br/>\n";
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echo "<h3>Errors</h3>";
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echo "<strong>Code:</strong> " . $this->error_code . "<br/>\n";
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echo "<strong>Message:</strong> " . $this->error_string . "<br/>\n";
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}
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echo "=============================================<br/>\n";
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echo "<h3>Info</h3>";
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echo "<pre>";
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print_r($this->info);
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echo "</pre>";
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}
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public function debug_request()
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{
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return array(
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'url' => $this->url
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);
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}
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private function set_defaults()
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{
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$this->response = '';
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$this->headers = array();
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$this->options = array();
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$this->error_code = NULL;
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$this->error_string = '';
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$this->session = NULL;
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}
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}
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/* End of file Curl.php */
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/* Location: ./application/libraries/Curl.php */ |