<?php/** * 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);                    $csplit = split("\r\n\r\n",$content,2);                    $content = $csplit[1];                    if(!empty($params['assign_headers'])) {                        $smarty->assign($params['assign_headers'],split("\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: */?>