some important stuff we'll need

1 files changed, 214 insertions, 0 deletions

diff --git a/lib/smarty/libs/plugins/function.fetch.php b/lib/smarty/libs/plugins/function.fetch.php
new file mode 100644
index 000000000..eca1182d5
--- /dev/null
+++ b/lib/smarty/libs/plugins/function.fetch.php
@@ -0,0 +1,214 @@
+<?php
+/**
+ * Smarty plugin
+ *
+ * @package Smarty
+ * @subpackage PluginsFunction
+ */
+
+/**
+ * Smarty {fetch} plugin
+ *
+ * Type:     function<br>
+ * Name:     fetch<br>
+ * Purpose:  fetch file, web or ftp data and display results
+ *
+ * @link http://www.smarty.net/manual/en/language.function.fetch.php {fetch}
+ *       (Smarty online manual)
+ * @author Monte Ohrt <monte at ohrt dot com>
+ * @param array                    $params   parameters
+ * @param Smarty_Internal_Template $template template object
+ * @return string|null if the assign parameter is passed, Smarty assigns the result to a template variable
+ */
+function smarty_function_fetch($params, $template)
+{
+    if (empty($params['file'])) {
+        trigger_error("[plugin] fetch parameter 'file' cannot be empty",E_USER_NOTICE);
+        return;
+    }
+    
+    // strip file protocol
+    if (stripos($params['file'], 'file://') === 0) {
+        $params['file'] = substr($params['file'], 7);
+    }
+    
+    $protocol = strpos($params['file'], '://');
+    if ($protocol !== false) {
+        $protocol = strtolower(substr($params['file'], 0, $protocol));
+    }
+    
+    if (isset($template->smarty->security_policy)) {
+        if ($protocol) {
+            // remote resource (or php stream, …)
+            if(!$template->smarty->security_policy->isTrustedUri($params['file'])) {
+                return;
+            }
+        } else {
+            // local file
+            if(!$template->smarty->security_policy->isTrustedResourceDir($params['file'])) {
+                return;
+            }
+        }
+    }
+
+    $content = '';
+    if ($protocol == 'http') {
+        // 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::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-]+: .+!',$param_value)) {
+                                trigger_error("[plugin] invalid header format '".$param_value."'",E_USER_NOTICE);
+                                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) $param_value;
+                        } else {
+                            trigger_error("[plugin] invalid value for attribute '".$param_key."'",E_USER_NOTICE);
+                            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) $param_value;
+                        } else {
+                            trigger_error("[plugin] invalid value for attribute '".$param_key."'",E_USER_NOTICE);
+                            return;
+                        }
+                        break;
+                    default:
+                        trigger_error("[plugin] unrecognized attribute '".$param_key."'",E_USER_NOTICE);
+                        return;
+                }
+            }
+            if(!empty($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) {
+                trigger_error("[plugin] unable to fetch: $errstr ($errno)",E_USER_NOTICE);
+                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);
+                $csplit = preg_split("!\r\n\r\n!",$content,2);
+
+                $content = $csplit[1];
+
+                if(!empty($params['assign_headers'])) {
+                    $template->assign($params['assign_headers'],preg_split("!\r\n!",$csplit[0]));
+                }
+            }
+        } else {
+            trigger_error("[plugin fetch] unable to parse URL, check syntax",E_USER_NOTICE);
+            return;
+        }
+    } else {
+        $content = @file_get_contents($params['file']);
+        if ($content === false) {
+            throw new SmartyException("{fetch} cannot read resource '" . $params['file'] ."'");
+        }
+    }
+
+    if (!empty($params['assign'])) {
+        $template->assign($params['assign'], $content);
+    } else {
+        return $content;
+    }
+}
+
+?>
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