/**
* @param string $path
* @param string $targetDir
* @param string $root path without trailing slash
* @return boolean
*/
static function extractByRoot($path, $targetDir, $root)
{
//get items paths from within root
$namesList = srokap_zip::getArchiveNameIndex($path);
if ($namesList === false) {
throw new IOException("Error while reading archive contents: {$path}");
}
foreach ($namesList as $key => $item) {
//keep only items within root path
if (strpos($item, $root) !== 0) {
unset($namesList[$key]);
}
}
if (empty($namesList)) {
throw new IOException("Invalid archive root path privided: {$root}");
}
$targetDir .= '/';
if (!srokap_files::createDir($targetDir)) {
throw new IOException("Unable to create target dir: {$targetDir}");
}
$result = false;
$zip = new ZipArchive();
if ($zip->open($path)) {
foreach ($namesList as $key => $item) {
$sufix = substr($item, strlen($root) + 1);
if ($sufix === false) {
continue;
}
$path = $targetDir . $sufix;
$dirPath = dirname($path);
if (!empty($dirPath) && !srokap_files::createDir($dirPath)) {
throw new IOException("Unable to create dir: " . dirname($path));
}
if ($item[strlen($item) - 1] == '/') {
//not a file
continue;
}
$content = stream_get_contents($zip->getStream($item));
if ($content === false) {
throw new IOException("Error reading from archive path: {$item}");
}
if (file_put_contents($path, $content) === false) {
throw new IOException("Error extracting file from {$item} to {$path}");
}
}
$result = true;
}
$zip->close();
return $result;
}
/**
* Download most recent version.
* @throws IOException
*/
public function fetch($version = null)
{
$url = $this->getDownloadURL();
if ($url === false) {
throw new IOException(elgg_echo('action:plugin:download:error:no_download_url', array($this->getURL())));
}
if ($version === null) {
$version = $this->getLatestVersion();
}
$packagePath = $this->getPackagePath($version);
srokap_files::createDir($packagePath);
$meta = srokap_http::getUrlToFile($url, $packagePath . 'package');
if ($meta === false) {
throw new IOException("Error while fetching plugin package from: {$url}");
}
if (file_put_contents($packagePath . 'version', $this->getLatestVersion()) === false) {
throw new IOException("Error while saving version file at: {$packagePath}");
}
if (file_put_contents($packagePath . 'entity', serialize($this)) === false) {
throw new IOException("Error while saving entity file at: {$packagePath}");
}
if (file_put_contents($packagePath . 'metadata', serialize($meta)) === false) {
throw new IOException("Error while saving metadata file at: {$packagePath}");
}
return $packagePath;
}
/**
* Create dir if not exists and check if all preconditions are correct.
*/
static function validatePath($path)
{
return srokap_files::createDir($path, self::$dataPathMod);
}