/**
*
*
* @param unknown $params
* @param unknown $smarty (reference)
*/
function smarty_core_load_resource_plugin($params, &$smarty)
{
/*
* Resource plugins are not quite like the other ones, so they are
* handled differently. The first element of plugin info is the array of
* functions provided by the plugin, the second one indicates whether
* all of them exist or not.
*/
$_plugin =& $smarty->_plugins['resource'][$params['type']];
if (isset($_plugin)) {
if (!$_plugin[1] && count($_plugin[0])) {
$_plugin[1] = true;
foreach ($_plugin[0] as $_plugin_func) {
if (!is_callable($_plugin_func)) {
$_plugin[1] = false;
break;
}
}
}
if (!$_plugin[1]) {
$smarty->_trigger_fatal_error("[plugin] resource '" . $params['type'] . "' is not implemented", null, null, __FILE__, __LINE__);
}
return;
}
$_plugin_file = $smarty->_get_plugin_filepath('resource', $params['type']);
$_found = $_plugin_file != false;
if ($_found) {
/*
* If the plugin file is found, it -must- provide the properly named
* plugin functions.
*/
include_once $_plugin_file;
/*
* Locate functions that we require the plugin to provide.
*/
$_resource_ops = array('source', 'timestamp', 'secure', 'trusted');
$_resource_funcs = array();
foreach ($_resource_ops as $_op) {
$_plugin_func = 'smarty_resource_' . $params['type'] . '_' . $_op;
if (!function_exists($_plugin_func)) {
$smarty->_trigger_fatal_error("[plugin] function {$_plugin_func}() not found in {$_plugin_file}", null, null, __FILE__, __LINE__);
return;
} else {
$_resource_funcs[] = $_plugin_func;
}
}
$smarty->_plugins['resource'][$params['type']] = array($_resource_funcs, true);
}
}
/**
* 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)
* @param array
* @param Smarty
* result to a template variable
* @param unknown $params
* @param unknown $smarty (reference)
* @return string|null if the assign parameter is passed, Smarty assigns the
*/
function smarty_function_fetch($params, &$smarty)
{
if (empty($params['file'])) {
$smarty->_trigger_fatal_error("[plugin] parameter 'file' cannot be empty");
return;
}
if ($smarty->security && !preg_match('!^(http|ftp)://!i', $params['file'])) {
$_params = array('resource_type' => 'file', 'resource_name' => $params['file']);
require_once SMARTY_DIR . 'core' . DIRECTORY_SEPARATOR . 'core.is_secure.php';
if (!smarty_core_is_secure($_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'])) {
$user = '';
}
// loop through parameters, setup headers
foreach ($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");
}
$content = '';
fputs($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;
}
}
/**
*
*
* @param unknown $params
* @param unknown $smarty (reference)
*/
function smarty_core_load_plugins($params, &$smarty)
{
foreach ($params['plugins'] as $_plugin_info) {
list($_type, $_name, $_tpl_file, $_tpl_line, $_delayed_loading) = $_plugin_info;
$_plugin =& $smarty->_plugins[$_type][$_name];
/*
* We do not load plugin more than once for each instance of Smarty.
* The following code checks for that. The plugin can also be
* registered dynamically at runtime, in which case template file
* and line number will be unknown, so we fill them in.
*
* The final element of the info array is a flag that indicates
* whether the dynamically registered plugin function has been
* checked for existence yet or not.
*/
if (isset($_plugin)) {
if (empty($_plugin[3])) {
if (!is_callable($_plugin[0])) {
$smarty->_trigger_fatal_error("[plugin] {$_type} '{$_name}' is not implemented", $_tpl_file, $_tpl_line, __FILE__, __LINE__);
} else {
$_plugin[1] = $_tpl_file;
$_plugin[2] = $_tpl_line;
$_plugin[3] = true;
if (!isset($_plugin[4])) {
$_plugin[4] = true;
}
/* cacheable */
}
}
continue;
} else {
if ($_type == 'insert') {
/*
* For backwards compatibility, we check for insert functions in
* the symbol table before trying to load them as a plugin.
*/
$_plugin_func = 'insert_' . $_name;
if (function_exists($_plugin_func)) {
$_plugin = array($_plugin_func, $_tpl_file, $_tpl_line, true, false);
continue;
}
}
}
$_plugin_file = $smarty->_get_plugin_filepath($_type, $_name);
if (!($_found = $_plugin_file != false)) {
$_message = "could not load plugin file '{$_type}.{$_name}.php'\n";
}
/*
* If plugin file is found, it -must- provide the properly named
* plugin function. In case it doesn't, simply output the error and
* do not fall back on any other method.
*/
if ($_found) {
include_once $_plugin_file;
$_plugin_func = 'smarty_' . $_type . '_' . $_name;
if (!function_exists($_plugin_func)) {
$smarty->_trigger_fatal_error("[plugin] function {$_plugin_func}() not found in {$_plugin_file}", $_tpl_file, $_tpl_line, __FILE__, __LINE__);
continue;
}
} else {
if ($_type == 'insert' && $_delayed_loading) {
$_plugin_func = 'smarty_' . $_type . '_' . $_name;
$_found = true;
}
}
/*
* Plugin specific processing and error checking.
*/
if (!$_found) {
if ($_type == 'modifier') {
/*
* In case modifier falls back on using PHP functions
* directly, we only allow those specified in the security
* context.
*/
if ($smarty->security && !in_array($_name, $smarty->security_settings['MODIFIER_FUNCS'])) {
$_message = "(secure mode) modifier '{$_name}' is not allowed";
} else {
if (!function_exists($_name)) {
$_message = "modifier '{$_name}' is not implemented";
} else {
$_plugin_func = $_name;
$_found = true;
}
}
} else {
if ($_type == 'function') {
/*
* This is a catch-all situation.
*/
$_message = "unknown tag - '{$_name}'";
}
}
}
if ($_found) {
$smarty->_plugins[$_type][$_name] = array($_plugin_func, $_tpl_file, $_tpl_line, true, true);
} else {
// output error
$smarty->_trigger_fatal_error('[plugin] ' . $_message, $_tpl_file, $_tpl_line, __FILE__, __LINE__);
}
}
}
