From 87eb39c01ca808b517d65545740783b0fc322bd7 Mon Sep 17 00:00:00 2001 From: Sebastian Meyer Date: Fri, 5 May 2017 18:14:38 +0200 Subject: [PATCH] Remove curl.php --- curl.php | 622 ------------------------------------------------------- 1 file changed, 622 deletions(-) delete mode 100644 curl.php diff --git a/curl.php b/curl.php deleted file mode 100644 index a6ab568..0000000 --- a/curl.php +++ /dev/null @@ -1,622 +0,0 @@ - - * $c = new curl; - * // enable cache - * $c = new curl(array('cache'=>true)); - * // enable cookie - * $c = new curl(array('cookie'=>true)); - * // enable proxy - * $c = new curl(array('proxy'=>true)); - * - * // HTTP GET Method - * $html = $c->get('http://example.com'); - * // HTTP POST Method - * $html = $c->post('http://example.com/', array('q'=>'words', 'name'=>'moodle')); - * // HTTP PUT Method - * $html = $c->put('http://example.com/', array('file'=>'/var/www/test.txt'); - * - * - * @author Dongsheng Cai - https://github.com/dongsheng/cURL - * @license http://www.gnu.org/copyleft/gpl.html GNU Public License - */ - -class curl { - /** @var bool */ - public $cache = false; - public $proxy = false; - /** @var array */ - public $response = array(); - public $header = array(); - /** @var string */ - public $info; - public $error; - - /** @var array */ - private $options; - /** @var string */ - private $proxy_host = ''; - private $proxy_auth = ''; - private $proxy_type = ''; - /** @var bool */ - private $debug = false; - private $cookie = false; - - /** - * @param array $options - */ - public function __construct($options = array()){ - if (!function_exists('curl_init')) { - $this->error = 'cURL module must be enabled!'; - trigger_error($this->error, E_USER_ERROR); - return false; - } - // the options of curl should be init here. - $this->resetopt(); - if (!empty($options['debug'])) { - $this->debug = true; - } - if(!empty($options['cookie'])) { - if($options['cookie'] === true) { - $this->cookie = 'curl_cookie.txt'; - } else { - $this->cookie = $options['cookie']; - } - } - if (!empty($options['cache'])) { - if (class_exists('curl_cache')) { - $this->cache = new curl_cache(); - } - } - } - /** - * Resets the CURL options that have already been set - */ - public function resetopt(){ - $this->options = array(); - $this->options['CURLOPT_USERAGENT'] = 'MoodleBot/1.0'; - // True to include the header in the output - $this->options['CURLOPT_HEADER'] = 0; - // True to Exclude the body from the output - $this->options['CURLOPT_NOBODY'] = 0; - // TRUE to follow any "Location: " header that the server - // sends as part of the HTTP header (note this is recursive, - // PHP will follow as many "Location: " headers that it is sent, - // unless CURLOPT_MAXREDIRS is set). - //$this->options['CURLOPT_FOLLOWLOCATION'] = 1; - $this->options['CURLOPT_MAXREDIRS'] = 10; - $this->options['CURLOPT_ENCODING'] = ''; - // TRUE to return the transfer as a string of the return - // value of curl_exec() instead of outputting it out directly. - $this->options['CURLOPT_RETURNTRANSFER'] = 1; - $this->options['CURLOPT_BINARYTRANSFER'] = 0; - $this->options['CURLOPT_SSL_VERIFYPEER'] = 0; - $this->options['CURLOPT_SSL_VERIFYHOST'] = 2; - $this->options['CURLOPT_CONNECTTIMEOUT'] = 30; - } - - /** - * Reset Cookie - */ - public function resetcookie() { - if (!empty($this->cookie)) { - if (is_file($this->cookie)) { - $fp = fopen($this->cookie, 'w'); - if (!empty($fp)) { - fwrite($fp, ''); - fclose($fp); - } - } - } - } - - /** - * Set curl options - * - * @param array $options If array is null, this function will - * reset the options to default value. - * - */ - public function setopt($options = array()) { - if (is_array($options)) { - foreach($options as $name => $val){ - if (stripos($name, 'CURLOPT_') === false) { - $name = strtoupper('CURLOPT_'.$name); - } - $this->options[$name] = $val; - } - } - } - /** - * Reset http method - * - */ - public function cleanopt(){ - unset($this->options['CURLOPT_HTTPGET']); - unset($this->options['CURLOPT_POST']); - unset($this->options['CURLOPT_POSTFIELDS']); - unset($this->options['CURLOPT_PUT']); - unset($this->options['CURLOPT_INFILE']); - unset($this->options['CURLOPT_INFILESIZE']); - unset($this->options['CURLOPT_CUSTOMREQUEST']); - } - - /** - * Set HTTP Request Header - * - * @param array $headers - * - */ - public function setHeader($header) { - if (is_array($header)){ - foreach ($header as $v) { - $this->setHeader($v); - } - } else { - $this->header[] = $header; - } - } - /** - * Set HTTP Response Header - * - */ - public function getResponse(){ - return $this->response; - } - /** - * private callback function - * Formatting HTTP Response Header - * - * @param mixed $ch Apparently not used - * @param string $header - * @return int The strlen of the header - */ - private function formatHeader($ch, $header) - { - $this->count++; - if (strlen($header) > 2) { - list($key, $value) = explode(" ", rtrim($header, "\r\n"), 2); - $key = rtrim($key, ':'); - if (!empty($this->response[$key])) { - if (is_array($this->response[$key])){ - $this->response[$key][] = $value; - } else { - $tmp = $this->response[$key]; - $this->response[$key] = array(); - $this->response[$key][] = $tmp; - $this->response[$key][] = $value; - - } - } else { - $this->response[$key] = $value; - } - } - return strlen($header); - } - - /** - * Set options for individual curl instance - * - * @param object $curl A curl handle - * @param array $options - * @return object The curl handle - */ - private function apply_opt($curl, $options) { - // Clean up - $this->cleanopt(); - // set cookie - if (!empty($this->cookie) || !empty($options['cookie'])) { - $this->setopt(array('cookiejar'=>$this->cookie, - 'cookiefile'=>$this->cookie - )); - } - - // set proxy - if (!empty($this->proxy) || !empty($options['proxy'])) { - $this->setopt($this->proxy); - } - $this->setopt($options); - // reset before set options - curl_setopt($curl, CURLOPT_HEADERFUNCTION, array(&$this,'formatHeader')); - // set headers - if (empty($this->header)){ - $this->setHeader(array( - 'User-Agent: MoodleBot/1.0', - 'Accept-Charset: ISO-8859-1,utf-8;q=0.7,*;q=0.7', - 'Connection: keep-alive' - )); - } - curl_setopt($curl, CURLOPT_HTTPHEADER, $this->header); - - if ($this->debug){ - echo '

Options

'; - var_dump($this->options); - echo '

Header

'; - var_dump($this->header); - } - - // set options - foreach($this->options as $name => $val) { - if (is_string($name)) { - $name = constant(strtoupper($name)); - } - curl_setopt($curl, $name, $val); - } - return $curl; - } - /** - * Download multiple files in parallel - * - * Calls {@link multi()} with specific download headers - * - * - * $c = new curl; - * $c->download(array( - * array('url'=>'http://localhost/', 'file'=>fopen('a', 'wb')), - * array('url'=>'http://localhost/20/', 'file'=>fopen('b', 'wb')) - * )); - * - * - * @param array $requests An array of files to request - * @param array $options An array of options to set - * @return array An array of results - */ - public function download($requests, $options = array()) { - $options['CURLOPT_BINARYTRANSFER'] = 1; - $options['RETURNTRANSFER'] = false; - return $this->multi($requests, $options); - } - /* - * Mulit HTTP Requests - * This function could run multi-requests in parallel. - * - * @param array $requests An array of files to request - * @param array $options An array of options to set - * @return array An array of results - */ - protected function multi($requests, $options = array()) { - $count = count($requests); - $handles = array(); - $results = array(); - $main = curl_multi_init(); - for ($i = 0; $i < $count; $i++) { - $url = $requests[$i]; - foreach($url as $n=>$v){ - $options[$n] = $url[$n]; - } - $handles[$i] = curl_init($url['url']); - $this->apply_opt($handles[$i], $options); - curl_multi_add_handle($main, $handles[$i]); - } - $running = 0; - do { - curl_multi_exec($main, $running); - } while($running > 0); - for ($i = 0; $i < $count; $i++) { - if (!empty($options['CURLOPT_RETURNTRANSFER'])) { - $results[] = true; - } else { - $results[] = curl_multi_getcontent($handles[$i]); - } - curl_multi_remove_handle($main, $handles[$i]); - } - curl_multi_close($main); - return $results; - } - /** - * Single HTTP Request - * - * @param string $url The URL to request - * @param array $options - * @return bool - */ - protected function request($url, $options = array()){ - // create curl instance - $curl = curl_init($url); - $options['url'] = $url; - $this->apply_opt($curl, $options); - if ($this->cache && $ret = $this->cache->get($this->options)) { - return $ret; - } else { - $ret = curl_exec($curl); - if ($this->cache) { - $this->cache->set($this->options, $ret); - } - } - - $this->info = curl_getinfo($curl); - $this->error = curl_error($curl); - - if ($this->debug){ - echo '

Return Data

'; - var_dump($ret); - echo '

Info

'; - var_dump($this->info); - echo '

Error

'; - var_dump($this->error); - } - - curl_close($curl); - - if (empty($this->error)){ - return $ret; - } else { - return $this->error; - // exception is not ajax friendly - //throw new moodle_exception($this->error, 'curl'); - } - } - - /** - * HTTP HEAD method - * - * @see request() - * - * @param string $url - * @param array $options - * @return bool - */ - public function head($url, $options = array()){ - $options['CURLOPT_HTTPGET'] = 0; - $options['CURLOPT_HEADER'] = 1; - $options['CURLOPT_NOBODY'] = 1; - return $this->request($url, $options); - } - - /** - * Recursive function formating an array in POST parameter - * @param array $arraydata - the array that we are going to format and add into &$data array - * @param string $currentdata - a row of the final postdata array at instant T - * when finish, it's assign to $data under this format: name[keyname][][]...[]='value' - * @param array $data - the final data array containing all POST parameters : 1 row = 1 parameter - */ - function format_array_postdata_for_curlcall($arraydata, $currentdata, &$data) { - foreach ($arraydata as $k=>$v) { - $newcurrentdata = $currentdata; - if (is_object($v)) { - $v = (array) $v; - } - if (is_array($v)) { //the value is an array, call the function recursively - $newcurrentdata = $newcurrentdata.'['.urlencode($k).']'; - $this->format_array_postdata_for_curlcall($v, $newcurrentdata, $data); - } else { //add the POST parameter to the $data array - $data[] = $newcurrentdata.'['.urlencode($k).']='.urlencode($v); - } - } - } - - /** - * Transform a PHP array into POST parameter - * (see the recursive function format_array_postdata_for_curlcall) - * @param array $postdata - * @return array containing all POST parameters (1 row = 1 POST parameter) - */ - function format_postdata_for_curlcall($postdata) { - if (is_object($postdata)) { - $postdata = (array) $postdata; - } - $data = array(); - foreach ($postdata as $k=>$v) { - if (is_object($v)) { - $v = (array) $v; - } - if (is_array($v)) { - $currentdata = urlencode($k); - $this->format_array_postdata_for_curlcall($v, $currentdata, $data); - } else { - $data[] = urlencode($k).'='.urlencode($v); - } - } - $convertedpostdata = implode('&', $data); - return $convertedpostdata; - } - - /** - * HTTP POST method - * - * @param string $url - * @param array|string $params - * @param array $options - * @return bool - */ - public function post($url, $params = '', $options = array()){ - $options['CURLOPT_POST'] = 1; - if (is_array($params)) { - $params = $this->format_postdata_for_curlcall($params); - } - $options['CURLOPT_POSTFIELDS'] = $params; - return $this->request($url, $options); - } - - /** - * HTTP GET method - * - * @param string $url - * @param array $params - * @param array $options - * @return bool - */ - public function get($url, $params = array(), $options = array()){ - $options['CURLOPT_HTTPGET'] = 1; - - if (!empty($params)){ - $url .= (stripos($url, '?') !== false) ? '&' : '?'; - $url .= http_build_query($params, '', '&'); - } - return $this->request($url, $options); - } - - /** - * HTTP PUT method - * - * @param string $url - * @param array $params - * @param array $options - * @return bool - */ - public function put($url, $params = array(), $options = array()){ - $file = $params['file']; - if (!is_file($file)){ - return null; - } - $fp = fopen($file, 'r'); - $size = filesize($file); - $options['CURLOPT_PUT'] = 1; - $options['CURLOPT_INFILESIZE'] = $size; - $options['CURLOPT_INFILE'] = $fp; - if (!isset($this->options['CURLOPT_USERPWD'])){ - $this->setopt(array('CURLOPT_USERPWD'=>'anonymous: noreply@moodle.org')); - } - $ret = $this->request($url, $options); - fclose($fp); - return $ret; - } - - /** - * HTTP DELETE method - * - * @param string $url - * @param array $params - * @param array $options - * @return bool - */ - public function delete($url, $param = array(), $options = array()){ - $options['CURLOPT_CUSTOMREQUEST'] = 'DELETE'; - if (!isset($options['CURLOPT_USERPWD'])) { - $options['CURLOPT_USERPWD'] = 'anonymous: noreply@moodle.org'; - } - $ret = $this->request($url, $options); - return $ret; - } - /** - * HTTP TRACE method - * - * @param string $url - * @param array $options - * @return bool - */ - public function trace($url, $options = array()){ - $options['CURLOPT_CUSTOMREQUEST'] = 'TRACE'; - $ret = $this->request($url, $options); - return $ret; - } - /** - * HTTP OPTIONS method - * - * @param string $url - * @param array $options - * @return bool - */ - public function options($url, $options = array()){ - $options['CURLOPT_CUSTOMREQUEST'] = 'OPTIONS'; - $ret = $this->request($url, $options); - return $ret; - } - public function get_info() { - return $this->info; - } -} - -/** - * This class is used by cURL class, use case: - * - * - * - * $c = new curl(array('cache'=>true), 'module_cache'=>'repository'); - * $ret = $c->get('http://www.google.com'); - * - * - * @package core - * @subpackage file - * @copyright 1999 onwards Martin Dougiamas {@link http://moodle.com} - * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later - */ -class curl_cache { - /** @var string */ - public $dir = ''; - /** - * - * @param string @module which module is using curl_cache - * - */ - function __construct() { - $this->dir = '/tmp/'; - if (!file_exists($this->dir)) { - mkdir($this->dir, 0700, true); - } - $this->ttl = 1200; - } - - /** - * Get cached value - * - * @param mixed $param - * @return bool|string - */ - public function get($param){ - $this->cleanup($this->ttl); - $filename = 'u_'.md5(serialize($param)); - if(file_exists($this->dir.$filename)) { - $lasttime = filemtime($this->dir.$filename); - if(time()-$lasttime > $this->ttl) - { - return false; - } else { - $fp = fopen($this->dir.$filename, 'r'); - $size = filesize($this->dir.$filename); - $content = fread($fp, $size); - return unserialize($content); - } - } - return false; - } - - /** - * Set cache value - * - * @param mixed $param - * @param mixed $val - */ - public function set($param, $val){ - $filename = 'u_'.md5(serialize($param)); - $fp = fopen($this->dir.$filename, 'w'); - fwrite($fp, serialize($val)); - fclose($fp); - } - - /** - * Remove cache files - * - * @param int $expire The number os seconds before expiry - */ - public function cleanup($expire){ - if($dir = opendir($this->dir)){ - while (false !== ($file = readdir($dir))) { - if(!is_dir($file) && $file != '.' && $file != '..') { - $lasttime = @filemtime($this->dir.$file); - if(time() - $lasttime > $expire){ - @unlink($this->dir.$file); - } - } - } - } - } - /** - * delete current user's cache file - * - */ - public function refresh(){ - if($dir = opendir($this->dir)){ - while (false !== ($file = readdir($dir))) { - if(!is_dir($file) && $file != '.' && $file != '..') { - if(strpos($file, 'u_')!==false){ - @unlink($this->dir.$file); - } - } - } - } - } -}