/**
* Extract a ZIP compressed file to a given path
* @param string $archive Path to ZIP archive to extract
* @param string $destination Path to extract archive into
* @return boolean True if successful
*/
public static function extractZip($archive, $destination)
{
if (!function_exists('zip_open')) {
throw new Exception("ZIP extension is not enabled on this installation of PHP. Recompile your installation of PHP with --enable-zip parameter.");
}
// echo "Extracting archive " . $archive . " to " . $destination. "<br>";
$zip = zip_open($archive);
if (is_resource($zip)) {
// Create the destination folder
if (!mkdir($destination)) {
self::$strLastError = "Unable to create extraction destination folder " . $destination;
return false;
}
// Read files in the archive
$createdFolders = array();
while ($file = zip_read($zip)) {
if (is_resource($file)) {
if (zip_entry_open($zip, $file, "r")) {
if (substr(zip_entry_name($file), strlen(zip_entry_name($file)) - 1) != "/") {
// echo zip_entry_name($file) . "<br>";
$folderStack = explode("/", zip_entry_name($file));
if (sizeof($folderStack) > 1) {
for ($i = 0; $i < sizeof($folderStack) - 1; $i++) {
$arraySubsection = array_slice($folderStack, 0, $i + 1);
$item = implode("/", $arraySubsection);
if (!in_array($item, $createdFolders)) {
// echo "- Creating folder: " . $destination . $item . "<br>";
$createdFolders[] = $item;
mkdir($destination . $item);
}
}
}
$strSectionToAppend = zip_entry_read($file, zip_entry_filesize($file));
$strSavePath = $destination . zip_entry_name($file);
QFile::writeFile($strSavePath, $strSectionToAppend);
zip_entry_close($file);
}
} else {
self::$strLastError = "Unable to read zip entry";
return false;
}
} else {
self::$strLastError = self::zipFileErrMsg($file);
return false;
}
}
zip_close($zip);
} else {
self::$strLastError = self::zipFileErrMsg($zip);
return false;
}
return true;
}
public static function installPluginFromZip($strFileName)
{
$entropy = substr(md5(uniqid()), 0, 6);
$expandedDir = __INCLUDES__ . self::PLUGIN_EXTRACTION_DIR . $entropy . '/';
$extractionResult = QArchive::extractZip($strFileName, $expandedDir);
if (!$extractionResult) {
self::$strLastError = QArchive::getLastError();
return null;
}
// Check to see if plugin config is defined as a PHP file,
// not XML file - and if so, run the PHP file to generate an XML config
// file.
if (file_exists($expandedDir . self::PLUGIN_CONFIG_GENERATION_FILE)) {
// we'll need this constant to know where to save the XML config file
global $__PLUGIN_FILES_DIR__;
$__PLUGIN_FILES_DIR__ = $expandedDir;
// execute the configuration file from the plugin - it will create a plugin
// config file in the XML format which we will process
include $expandedDir . self::PLUGIN_CONFIG_GENERATION_FILE;
}
return $entropy;
}
