diff -r 000000000000 -r c63de9eb7045 smarty/plugins/function.fetch.php
--- /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: */
+
+?>