Commit | Line | Data |
---|---|---|
e586807d H |
1 | <?php |
2 | /** | |
3 | * Smarty plugin | |
4 | * @package Smarty | |
5 | * @subpackage plugins | |
6 | */ | |
7 | ||
8 | ||
9 | /** | |
10 | * Smarty {fetch} plugin | |
11 | * | |
12 | * Type: function<br> | |
13 | * Name: fetch<br> | |
14 | * Purpose: fetch file, web or ftp data and display results | |
15 | * @link http://smarty.php.net/manual/en/language.function.fetch.php {fetch} | |
16 | * (Smarty online manual) | |
17 | * @param array | |
18 | * @param Smarty | |
19 | * @return string|null if the assign parameter is passed, Smarty assigns the | |
20 | * result to a template variable | |
21 | */ | |
22 | function smarty_function_fetch($params, &$smarty) | |
23 | { | |
24 | if (empty($params['file'])) { | |
25 | $smarty->_trigger_fatal_error("[plugin] parameter 'file' cannot be empty"); | |
26 | return; | |
27 | } | |
28 | ||
29 | if ($smarty->security && !preg_match('!^(http|ftp)://!i', $params['file'])) { | |
30 | $_params = array('resource_type' => 'file', 'resource_name' => $params['file']); | |
31 | require_once(SMARTY_DIR . 'core' . DIRECTORY_SEPARATOR . 'core.is_secure.php'); | |
32 | if(!smarty_core_is_secure($_params, $smarty)) { | |
33 | $smarty->_trigger_fatal_error('[plugin] (secure mode) fetch \'' . $params['file'] . '\' is not allowed'); | |
34 | return; | |
35 | } | |
36 | ||
37 | // fetch the file | |
38 | if($fp = @fopen($params['file'],'r')) { | |
39 | while(!feof($fp)) { | |
40 | $content .= fgets ($fp,4096); | |
41 | } | |
42 | fclose($fp); | |
43 | } else { | |
44 | $smarty->_trigger_fatal_error('[plugin] fetch cannot read file \'' . $params['file'] . '\''); | |
45 | return; | |
46 | } | |
47 | } else { | |
48 | // not a local file | |
49 | if(preg_match('!^http://!i',$params['file'])) { | |
50 | // http fetch | |
51 | if($uri_parts = parse_url($params['file'])) { | |
52 | // set defaults | |
53 | $host = $server_name = $uri_parts['host']; | |
54 | $timeout = 30; | |
55 | $accept = "image/gif, image/x-xbitmap, image/jpeg, image/pjpeg, */*"; | |
56 | $agent = "Smarty Template Engine ".$smarty->_version; | |
57 | $referer = ""; | |
58 | $uri = !empty($uri_parts['path']) ? $uri_parts['path'] : '/'; | |
59 | $uri .= !empty($uri_parts['query']) ? '?' . $uri_parts['query'] : ''; | |
60 | $_is_proxy = false; | |
61 | if(empty($uri_parts['port'])) { | |
62 | $port = 80; | |
63 | } else { | |
64 | $port = $uri_parts['port']; | |
65 | } | |
66 | if(empty($uri_parts['user'])) { | |
67 | $user = ''; | |
68 | } | |
69 | // loop through parameters, setup headers | |
70 | foreach($params as $param_key => $param_value) { | |
71 | switch($param_key) { | |
72 | case "file": | |
73 | case "assign": | |
74 | case "assign_headers": | |
75 | break; | |
76 | case "user": | |
77 | if(!empty($param_value)) { | |
78 | $user = $param_value; | |
79 | } | |
80 | break; | |
81 | case "pass": | |
82 | if(!empty($param_value)) { | |
83 | $pass = $param_value; | |
84 | } | |
85 | break; | |
86 | case "accept": | |
87 | if(!empty($param_value)) { | |
88 | $accept = $param_value; | |
89 | } | |
90 | break; | |
91 | case "header": | |
92 | if(!empty($param_value)) { | |
93 | if(!preg_match('![\w\d-]+: .+!',$param_value)) { | |
94 | $smarty->_trigger_fatal_error("[plugin] invalid header format '".$param_value."'"); | |
95 | return; | |
96 | } else { | |
97 | $extra_headers[] = $param_value; | |
98 | } | |
99 | } | |
100 | break; | |
101 | case "proxy_host": | |
102 | if(!empty($param_value)) { | |
103 | $proxy_host = $param_value; | |
104 | } | |
105 | break; | |
106 | case "proxy_port": | |
107 | if(!preg_match('!\D!', $param_value)) { | |
108 | $proxy_port = (int) $param_value; | |
109 | } else { | |
110 | $smarty->_trigger_fatal_error("[plugin] invalid value for attribute '".$param_key."'"); | |
111 | return; | |
112 | } | |
113 | break; | |
114 | case "agent": | |
115 | if(!empty($param_value)) { | |
116 | $agent = $param_value; | |
117 | } | |
118 | break; | |
119 | case "referer": | |
120 | if(!empty($param_value)) { | |
121 | $referer = $param_value; | |
122 | } | |
123 | break; | |
124 | case "timeout": | |
125 | if(!preg_match('!\D!', $param_value)) { | |
126 | $timeout = (int) $param_value; | |
127 | } else { | |
128 | $smarty->_trigger_fatal_error("[plugin] invalid value for attribute '".$param_key."'"); | |
129 | return; | |
130 | } | |
131 | break; | |
132 | default: | |
133 | $smarty->_trigger_fatal_error("[plugin] unrecognized attribute '".$param_key."'"); | |
134 | return; | |
135 | } | |
136 | } | |
137 | if(!empty($proxy_host) && !empty($proxy_port)) { | |
138 | $_is_proxy = true; | |
139 | $fp = fsockopen($proxy_host,$proxy_port,$errno,$errstr,$timeout); | |
140 | } else { | |
141 | $fp = fsockopen($server_name,$port,$errno,$errstr,$timeout); | |
142 | } | |
143 | ||
144 | if(!$fp) { | |
145 | $smarty->_trigger_fatal_error("[plugin] unable to fetch: $errstr ($errno)"); | |
146 | return; | |
147 | } else { | |
148 | if($_is_proxy) { | |
149 | fputs($fp, 'GET ' . $params['file'] . " HTTP/1.0\r\n"); | |
150 | } else { | |
151 | fputs($fp, "GET $uri HTTP/1.0\r\n"); | |
152 | } | |
153 | if(!empty($host)) { | |
154 | fputs($fp, "Host: $host\r\n"); | |
155 | } | |
156 | if(!empty($accept)) { | |
157 | fputs($fp, "Accept: $accept\r\n"); | |
158 | } | |
159 | if(!empty($agent)) { | |
160 | fputs($fp, "User-Agent: $agent\r\n"); | |
161 | } | |
162 | if(!empty($referer)) { | |
163 | fputs($fp, "Referer: $referer\r\n"); | |
164 | } | |
165 | if(isset($extra_headers) && is_array($extra_headers)) { | |
166 | foreach($extra_headers as $curr_header) { | |
167 | fputs($fp, $curr_header."\r\n"); | |
168 | } | |
169 | } | |
170 | if(!empty($user) && !empty($pass)) { | |
171 | fputs($fp, "Authorization: BASIC ".base64_encode("$user:$pass")."\r\n"); | |
172 | } | |
173 | ||
174 | $content = ''; | |
175 | fputs($fp, "\r\n"); | |
176 | while(!feof($fp)) { | |
177 | $content .= fgets($fp,4096); | |
178 | } | |
179 | fclose($fp); | |
180 | $csplit = split("\r\n\r\n",$content,2); | |
181 | ||
182 | $content = $csplit[1]; | |
183 | ||
184 | if(!empty($params['assign_headers'])) { | |
185 | $smarty->assign($params['assign_headers'],split("\r\n",$csplit[0])); | |
186 | } | |
187 | } | |
188 | } else { | |
189 | $smarty->_trigger_fatal_error("[plugin] unable to parse URL, check syntax"); | |
190 | return; | |
191 | } | |
192 | } else { | |
193 | // ftp fetch | |
194 | if($fp = @fopen($params['file'],'r')) { | |
195 | while(!feof($fp)) { | |
196 | $content .= fgets ($fp,4096); | |
197 | } | |
198 | fclose($fp); | |
199 | } else { | |
200 | $smarty->_trigger_fatal_error('[plugin] fetch cannot read file \'' . $params['file'] .'\''); | |
201 | return; | |
202 | } | |
203 | } | |
204 | ||
205 | } | |
206 | ||
207 | ||
208 | if (!empty($params['assign'])) { | |
209 | $smarty->assign($params['assign'],$content); | |
210 | } else { | |
211 | return $content; | |
212 | } | |
213 | } | |
214 | ||
215 | /* vim: set expandtab: */ | |
216 | ||
217 | ?> |