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<?php
/**
* Smarty Internal Plugin Resource File
*
* @author Uwe Tews
* @author Rodney Rehm
*/
namespace Smarty\Resource;
use Smarty\Smarty;
use Smarty\Template;
use Smarty\Template\Source;
use Smarty\Exception;
/**
* Smarty Internal Plugin Resource File
* Implements the file system as resource for Smarty templates
*
*/
class FilePlugin extends BasePlugin {
/**
* populate Source Object with metadata from Resource
*
* @param Source $source source object
* @param Template|null $_template template object
*
* @throws Exception
*/
public function populate(Source $source, ?Template $_template = null) {
$source->uid = sha1(
$source->name . ($source->isConfig ? $source->getSmarty()->_joined_config_dir :
$source->getSmarty()->_joined_template_dir)
);
if ($path = $this->getFilePath($source->name, $source->getSmarty(), $source->isConfig)) {
if (isset($source->getSmarty()->security_policy) && is_object($source->getSmarty()->security_policy)) {
$source->getSmarty()->security_policy->isTrustedResourceDir($path, $source->isConfig);
}
$source->exists = true;
$source->timestamp = filemtime($path);
} else {
$source->timestamp = $source->exists = false;
}
}
/**
* populate Source Object with timestamp and exists from Resource
*
* @param Source $source source object
*/
public function populateTimestamp(Source $source) {
$path = $this->getFilePath($source->name, $source->getSmarty(), $source->isConfig);
if (!$source->exists) {
$source->exists = ($path !== false && is_file($path));
}
if ($source->exists && $path !== false) {
$source->timestamp = filemtime($path);
} else {
$source->timestamp = 0;
}
}
/**
* Load template's source from file into current template object
*
* @param Source $source source object
*
* @return string template source
* @throws Exception if source cannot be loaded
*/
public function getContent(Source $source) {
if ($source->exists) {
return file_get_contents($this->getFilePath($source->getResourceName(), $source->getSmarty(), $source->isConfig()));
}
throw new Exception(
'Unable to read ' . ($source->isConfig ? 'config' : 'template') .
" {$source->type} '{$source->name}'"
);
}
/**
* Determine basename for compiled filename
*
* @param Source $source source object
*
* @return string resource's basename
*/
public function getBasename(Source $source) {
return basename($source->getResourceName());
}
/**
* build template filepath by traversing the template_dir array
*
* @param $file
* @param Smarty $smarty
* @param bool $isConfig
*
* @return string fully qualified filepath
*/
public function getFilePath($file, \Smarty\Smarty $smarty, bool $isConfig = false) {
// absolute file ?
if ($file[0] === '/' || $file[1] === ':') {
$file = $smarty->_realpath($file, true);
return is_file($file) ? $file : false;
}
// normalize DIRECTORY_SEPARATOR
if (strpos($file, DIRECTORY_SEPARATOR === '/' ? '\\' : '/') !== false) {
$file = str_replace(DIRECTORY_SEPARATOR === '/' ? '\\' : '/', DIRECTORY_SEPARATOR, $file);
}
$_directories = $smarty->getTemplateDir(null, $isConfig);
// template_dir index?
if ($file[0] === '[' && preg_match('#^\[([^\]]+)\](.+)$#', $file, $fileMatch)) {
$file = $fileMatch[2];
$_indices = explode(',', $fileMatch[1]);
$_index_dirs = [];
foreach ($_indices as $index) {
$index = trim($index);
// try string indexes
if (isset($_directories[$index])) {
$_index_dirs[] = $_directories[$index];
} elseif (is_numeric($index)) {
// try numeric index
$index = (int)$index;
if (isset($_directories[$index])) {
$_index_dirs[] = $_directories[$index];
} else {
// try at location index
$keys = array_keys($_directories);
if (isset($_directories[$keys[$index]])) {
$_index_dirs[] = $_directories[$keys[$index]];
}
}
}
}
if (empty($_index_dirs)) {
// index not found
return false;
} else {
$_directories = $_index_dirs;
}
}
// relative file name?
foreach ($_directories as $_directory) {
$path = $_directory . $file;
if (is_file($path)) {
return (strpos($path, '.' . DIRECTORY_SEPARATOR) !== false) ? $smarty->_realpath($path) : $path;
}
}
if (!isset($_index_dirs)) {
// Could be relative to cwd
$path = $smarty->_realpath($file, true);
if (is_file($path)) {
return $path;
}
}
return false;
}
/**
* Returns the timestamp of the resource indicated by $resourceName, or false if it doesn't exist.
*
* @param string $resourceName
* @param Smarty $smarty
* @param bool $isConfig
*
* @return false|int
*/
public function getResourceNameTimestamp(string $resourceName, \Smarty\Smarty $smarty, bool $isConfig = false) {
if ($path = $this->getFilePath($resourceName, $smarty, $isConfig)) {
return filemtime($path);
}
return false;
}
}
|
