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rexy |
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<?php
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/**
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* Smarty Internal Plugin Resource File
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*
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* @package Smarty
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* @subpackage TemplateResources
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* @author Uwe Tews
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* @author Rodney Rehm
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*/
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/**
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* Smarty Internal Plugin Resource File
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* Implements the file system as resource for Smarty templates
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*
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* @package Smarty
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* @subpackage TemplateResources
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*/
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class Smarty_Internal_Resource_File extends Smarty_Resource
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{
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/**
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* populate Source Object with meta data from Resource
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*
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* @param Smarty_Template_Source $source source object
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* @param Smarty_Internal_Template $_template template object
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*
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* @throws \SmartyException
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*/
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public function populate(Smarty_Template_Source $source, Smarty_Internal_Template $_template = null)
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{
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$source->filepath = $this->buildFilepath($source, $_template);
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if ($source->filepath !== false) {
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if (isset($source->smarty->security_policy) && is_object($source->smarty->security_policy)) {
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$source->smarty->security_policy->isTrustedResourceDir($source->filepath, $source->isConfig);
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}
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$source->exists = true;
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$source->uid = sha1(
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$source->filepath . ($source->isConfig ? $source->smarty->_joined_config_dir :
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$source->smarty->_joined_template_dir)
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);
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$source->timestamp = filemtime($source->filepath);
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} else {
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$source->timestamp = $source->exists = false;
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}
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}
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/**
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* populate Source Object with timestamp and exists from Resource
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*
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* @param Smarty_Template_Source $source source object
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*/
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public function populateTimestamp(Smarty_Template_Source $source)
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{
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if (!$source->exists) {
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$source->timestamp = $source->exists = is_file($source->filepath);
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}
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if ($source->exists) {
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$source->timestamp = filemtime($source->filepath);
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}
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}
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/**
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* Load template's source from file into current template object
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*
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* @param Smarty_Template_Source $source source object
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*
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* @return string template source
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* @throws SmartyException if source cannot be loaded
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*/
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public function getContent(Smarty_Template_Source $source)
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{
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if ($source->exists) {
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return file_get_contents($source->filepath);
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}
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throw new SmartyException(
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'Unable to read ' . ($source->isConfig ? 'config' : 'template') .
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" {$source->type} '{$source->name}'"
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);
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}
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/**
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* Determine basename for compiled filename
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*
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* @param Smarty_Template_Source $source source object
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*
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* @return string resource's basename
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*/
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public function getBasename(Smarty_Template_Source $source)
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{
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return basename($source->filepath);
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}
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/**
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* build template filepath by traversing the template_dir array
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*
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* @param Smarty_Template_Source $source source object
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* @param Smarty_Internal_Template $_template template object
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*
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* @return string fully qualified filepath
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* @throws SmartyException
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*/
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protected function buildFilepath(Smarty_Template_Source $source, Smarty_Internal_Template $_template = null)
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{
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$file = $source->name;
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// absolute file ?
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if ($file[ 0 ] === '/' || $file[ 1 ] === ':') {
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$file = $source->smarty->_realpath($file, true);
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return is_file($file) ? $file : false;
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}
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// go relative to a given template?
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if ($file[ 0 ] === '.' && $_template && $_template->_isSubTpl()
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&& preg_match('#^[.]{1,2}[\\\/]#', $file)
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) {
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if ($_template->parent->source->type !== 'file' && $_template->parent->source->type !== 'extends'
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&& !isset($_template->parent->_cache[ 'allow_relative_path' ])
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) {
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throw new SmartyException("Template '{$file}' cannot be relative to template of resource type '{$_template->parent->source->type}'");
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}
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// normalize path
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$path =
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$source->smarty->_realpath(dirname($_template->parent->source->filepath) . DIRECTORY_SEPARATOR . $file);
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// files relative to a template only get one shot
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return is_file($path) ? $path : false;
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}
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// normalize DIRECTORY_SEPARATOR
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if (strpos($file, DIRECTORY_SEPARATOR === '/' ? '\\' : '/') !== false) {
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$file = str_replace(DIRECTORY_SEPARATOR === '/' ? '\\' : '/', DIRECTORY_SEPARATOR, $file);
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}
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$_directories = $source->smarty->getTemplateDir(null, $source->isConfig);
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// template_dir index?
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if ($file[ 0 ] === '[' && preg_match('#^\[([^\]]+)\](.+)$#', $file, $fileMatch)) {
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$file = $fileMatch[ 2 ];
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$_indices = explode(',', $fileMatch[ 1 ]);
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$_index_dirs = array();
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foreach ($_indices as $index) {
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$index = trim($index);
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// try string indexes
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if (isset($_directories[ $index ])) {
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$_index_dirs[] = $_directories[ $index ];
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} elseif (is_numeric($index)) {
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// try numeric index
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$index = (int)$index;
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if (isset($_directories[ $index ])) {
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$_index_dirs[] = $_directories[ $index ];
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} else {
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// try at location index
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$keys = array_keys($_directories);
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if (isset($_directories[ $keys[ $index ] ])) {
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$_index_dirs[] = $_directories[ $keys[ $index ] ];
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}
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}
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}
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}
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if (empty($_index_dirs)) {
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// index not found
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return false;
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} else {
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$_directories = $_index_dirs;
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}
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}
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// relative file name?
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foreach ($_directories as $_directory) {
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$path = $_directory . $file;
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if (is_file($path)) {
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return (strpos($path, '.' . DIRECTORY_SEPARATOR) !== false) ? $source->smarty->_realpath($path) : $path;
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}
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}
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if (!isset($_index_dirs)) {
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// Could be relative to cwd
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$path = $source->smarty->_realpath($file, true);
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if (is_file($path)) {
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return $path;
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}
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}
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// Use include path ?
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if ($source->smarty->use_include_path) {
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return $source->smarty->ext->_getIncludePath->getIncludePath($_directories, $file, $source->smarty);
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}
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return false;
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}
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}
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