126 lines
4.3 KiB
PHP
126 lines
4.3 KiB
PHP
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<?php
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/**
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* Smarty plugin
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* @package Smarty
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* @subpackage plugins
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*/
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/**
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* Load requested plugins
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*
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* @param array $plugins
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*/
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// $plugins
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function smarty_core_load_plugins($params, &$smarty)
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{
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foreach ($params['plugins'] as $_plugin_info) {
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list($_type, $_name, $_tpl_file, $_tpl_line, $_delayed_loading) = $_plugin_info;
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$_plugin = &$smarty->_plugins[$_type][$_name];
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/*
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* We do not load plugin more than once for each instance of Smarty.
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* The following code checks for that. The plugin can also be
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* registered dynamically at runtime, in which case template file
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* and line number will be unknown, so we fill them in.
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*
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* The final element of the info array is a flag that indicates
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* whether the dynamically registered plugin function has been
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* checked for existence yet or not.
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*/
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if (isset($_plugin)) {
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if (empty($_plugin[3])) {
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if (!is_callable($_plugin[0])) {
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$smarty->_trigger_fatal_error("[plugin] $_type '$_name' is not implemented", $_tpl_file, $_tpl_line, __FILE__, __LINE__);
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} else {
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$_plugin[1] = $_tpl_file;
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$_plugin[2] = $_tpl_line;
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$_plugin[3] = true;
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if (!isset($_plugin[4])) $_plugin[4] = true; /* cacheable */
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}
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}
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continue;
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} else if ($_type == 'insert') {
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/*
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* For backwards compatibility, we check for insert functions in
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* the symbol table before trying to load them as a plugin.
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*/
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$_plugin_func = 'insert_' . $_name;
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if (function_exists($_plugin_func)) {
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$_plugin = array($_plugin_func, $_tpl_file, $_tpl_line, true, false);
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continue;
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}
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}
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$_plugin_file = $smarty->_get_plugin_filepath($_type, $_name);
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if (! $_found = ($_plugin_file != false)) {
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$_message = "could not load plugin file '$_type.$_name.php'\n";
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}
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/*
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* If plugin file is found, it -must- provide the properly named
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* plugin function. In case it doesn't, simply output the error and
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* do not fall back on any other method.
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*/
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if ($_found) {
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include_once $_plugin_file;
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$_plugin_func = 'smarty_' . $_type . '_' . $_name;
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if (!function_exists($_plugin_func)) {
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$smarty->_trigger_fatal_error("[plugin] function $_plugin_func() not found in $_plugin_file", $_tpl_file, $_tpl_line, __FILE__, __LINE__);
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continue;
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}
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}
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/*
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* In case of insert plugins, their code may be loaded later via
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* 'script' attribute.
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*/
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else if ($_type == 'insert' && $_delayed_loading) {
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$_plugin_func = 'smarty_' . $_type . '_' . $_name;
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$_found = true;
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}
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/*
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* Plugin specific processing and error checking.
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*/
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if (!$_found) {
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if ($_type == 'modifier') {
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/*
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* In case modifier falls back on using PHP functions
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* directly, we only allow those specified in the security
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* context.
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*/
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if ($smarty->security && !in_array($_name, $smarty->security_settings['MODIFIER_FUNCS'])) {
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$_message = "(secure mode) modifier '$_name' is not allowed";
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} else {
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if (!function_exists($_name)) {
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$_message = "modifier '$_name' is not implemented";
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} else {
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$_plugin_func = $_name;
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$_found = true;
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}
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}
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} else if ($_type == 'function') {
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/*
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* This is a catch-all situation.
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*/
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$_message = "unknown tag - '$_name'";
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}
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}
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if ($_found) {
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$smarty->_plugins[$_type][$_name] = array($_plugin_func, $_tpl_file, $_tpl_line, true, true);
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} else {
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// output error
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$smarty->_trigger_fatal_error('[plugin] ' . $_message, $_tpl_file, $_tpl_line, __FILE__, __LINE__);
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}
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}
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}
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/* vim: set expandtab: */
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?>
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