--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/smarty/plugins/function.fetch.php Sun Mar 23 14:59:33 2008 -0400
@@ -0,0 +1,221 @@
+<?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: */
+
+?>