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| /** | |
| * Smarty plugin | |
| * @package Smarty | |
| * @subpackage plugins | |
| */ | |
| /** | |
| * Smarty {fetch} plugin | |
| * | |
| * Type: function<br> | |
| * Name: fetch<br> | |
| * Purpose: fetch file, web or ftp data and display results | |
| * @link http://smarty.php.net/manual/en/language.function.fetch.php {fetch} | |
| * (Smarty online manual) | |
| * @author Monte Ohrt <monte at ohrt dot com> | |
| * @param array | |
| * @param Smarty | |
| * @return string|null if the assign parameter is passed, Smarty assigns the | |
| * result to a template variable | |
| */ | |
| function smarty_function_fetch($params, &$smarty) | |
| { | |
| if (empty($params['file'])) { | |
| $smarty->_trigger_fatal_error("[plugin] parameter 'file' cannot be empty"); | |
| return; | |
| } | |
| $content = ''; | |
| if ($smarty->security && !preg_match('!^(http|ftp)://!i', $params['file'])) { | |
| $_params = array('resource_type' => 'file', 'resource_name' => $params['file']); | |
| require_once(SMARTY_CORE_DIR . 'core.is_secure.php'); | |
| if(!smarty_core_is_secure($_params, $smarty)) { | |
| $smarty->_trigger_fatal_error('[plugin] (secure mode) fetch \'' . $params['file'] . '\' is not allowed'); | |
| return; | |
| } | |
| // fetch the file | |
| if($fp = @fopen($params['file'],'r')) { | |
| while(!feof($fp)) { | |
| $content .= fgets ($fp,4096); | |
| } | |
| fclose($fp); | |
| } else { | |
| $smarty->_trigger_fatal_error('[plugin] fetch cannot read file \'' . $params['file'] . '\''); | |
| return; | |
| } | |
| } else { | |
| // not a local file | |
| if(preg_match('!^http://!i',$params['file'])) { | |
| // http fetch | |
| if($uri_parts = parse_url($params['file'])) { | |
| // set defaults | |
| $host = $server_name = $uri_parts['host']; | |
| $timeout = 30; | |
| $accept = "image/gif, image/x-xbitmap, image/jpeg, image/pjpeg, */*"; | |
| $agent = "Smarty Template Engine ".$smarty->_version; | |
| $referer = ""; | |
| $uri = !empty($uri_parts['path']) ? $uri_parts['path'] : '/'; | |
| $uri .= !empty($uri_parts['query']) ? '?' . $uri_parts['query'] : ''; | |
| $_is_proxy = false; | |
| if(empty($uri_parts['port'])) { | |
| $port = 80; | |
| } else { | |
| $port = $uri_parts['port']; | |
| } | |
| if(!empty($uri_parts['user'])) { | |
| $user = $uri_parts['user']; | |
| } | |
| if(!empty($uri_parts['pass'])) { | |
| $pass = $uri_parts['pass']; | |
| } | |
| // loop through parameters, setup headers | |
| foreach($params as $param_key => $param_value) { | |
| switch($param_key) { | |
| case "file": | |
| case "assign": | |
| case "assign_headers": | |
| break; | |
| case "user": | |
| if(!empty($param_value)) { | |
| $user = $param_value; | |
| } | |
| break; | |
| case "pass": | |
| if(!empty($param_value)) { | |
| $pass = $param_value; | |
| } | |
| break; | |
| case "accept": | |
| if(!empty($param_value)) { | |
| $accept = $param_value; | |
| } | |
| break; | |
| case "header": | |
| if(!empty($param_value)) { | |
| if(!preg_match('![\w\d-]+: .+!',$param_value)) { | |
| $smarty->_trigger_fatal_error("[plugin] invalid header format '".$param_value."'"); | |
| return; | |
| } else { | |
| $extra_headers[] = $param_value; | |
| } | |
| } | |
| break; | |
| case "proxy_host": | |
| if(!empty($param_value)) { | |
| $proxy_host = $param_value; | |
| } | |
| break; | |
| case "proxy_port": | |
| if(!preg_match('!\D!', $param_value)) { | |
| $proxy_port = (int) $param_value; | |
| } else { | |
| $smarty->_trigger_fatal_error("[plugin] invalid value for attribute '".$param_key."'"); | |
| return; | |
| } | |
| break; | |
| case "agent": | |
| if(!empty($param_value)) { | |
| $agent = $param_value; | |
| } | |
| break; | |
| case "referer": | |
| if(!empty($param_value)) { | |
| $referer = $param_value; | |
| } | |
| break; | |
| case "timeout": | |
| if(!preg_match('!\D!', $param_value)) { | |
| $timeout = (int) $param_value; | |
| } else { | |
| $smarty->_trigger_fatal_error("[plugin] invalid value for attribute '".$param_key."'"); | |
| return; | |
| } | |
| break; | |
| default: | |
| $smarty->_trigger_fatal_error("[plugin] unrecognized attribute '".$param_key."'"); | |
| return; | |
| } | |
| } | |
| if(!empty($proxy_host) && !empty($proxy_port)) { | |
| $_is_proxy = true; | |
| $fp = fsockopen($proxy_host,$proxy_port,$errno,$errstr,$timeout); | |
| } else { | |
| $fp = fsockopen($server_name,$port,$errno,$errstr,$timeout); | |
| } | |
| if(!$fp) { | |
| $smarty->_trigger_fatal_error("[plugin] unable to fetch: $errstr ($errno)"); | |
| return; | |
| } else { | |
| if($_is_proxy) { | |
| fputs($fp, 'GET ' . $params['file'] . " HTTP/1.0\r\n"); | |
| } else { | |
| fputs($fp, "GET $uri HTTP/1.0\r\n"); | |
| } | |
| if(!empty($host)) { | |
| fputs($fp, "Host: $host\r\n"); | |
| } | |
| if(!empty($accept)) { | |
| fputs($fp, "Accept: $accept\r\n"); | |
| } | |
| if(!empty($agent)) { | |
| fputs($fp, "User-Agent: $agent\r\n"); | |
| } | |
| if(!empty($referer)) { | |
| fputs($fp, "Referer: $referer\r\n"); | |
| } | |
| if(isset($extra_headers) && is_array($extra_headers)) { | |
| foreach($extra_headers as $curr_header) { | |
| fputs($fp, $curr_header."\r\n"); | |
| } | |
| } | |
| if(!empty($user) && !empty($pass)) { | |
| fputs($fp, "Authorization: BASIC ".base64_encode("$user:$pass")."\r\n"); | |
| } | |
| fputs($fp, "\r\n"); | |
| while(!feof($fp)) { | |
| $content .= fgets($fp,4096); | |
| } | |
| fclose($fp); | |
| $csplit = explode("\r\n\r\n",$content,2); | |
| $content = $csplit[1]; | |
| if(!empty($params['assign_headers'])) { | |
| $smarty->assign($params['assign_headers'],explode("\r\n",$csplit[0])); | |
| } | |
| } | |
| } else { | |
| $smarty->_trigger_fatal_error("[plugin] unable to parse URL, check syntax"); | |
| return; | |
| } | |
| } else { | |
| // ftp fetch | |
| if($fp = @fopen($params['file'],'r')) { | |
| while(!feof($fp)) { | |
| $content .= fgets ($fp,4096); | |
| } | |
| fclose($fp); | |
| } else { | |
| $smarty->_trigger_fatal_error('[plugin] fetch cannot read file \'' . $params['file'] .'\''); | |
| return; | |
| } | |
| } | |
| } | |
| if (!empty($params['assign'])) { | |
| $smarty->assign($params['assign'],$content); | |
| } else { | |
| return $content; | |
| } | |
| } | |
| /* vim: set expandtab: */ | |