/**
* Extract the source archive into $this->getPath().
* While extracting, we remove the top folder from the filename inside the archive.
* For example, a file 'SugarPro-Full-7.2.1/soap.php' will get extracted to
* <install_path>/soap.php .
*/
public function extract()
{
$this->getLogger()->info("Extracting {$this->source} into " . $this->getPath() . '...');
if (!is_dir($this->getPath()) || !$this->fs->isEmpty($this->getPath())) {
throw new InstallerException("The target path {$this->getPath()} is not a directory or is not empty when extracting the archive.");
}
if (!is_file($this->source)) {
throw new InstallerException("{$this->source} doesn't exists or is not a file.");
}
$zip = new \ZipArchive();
if ($zip->open($this->source) !== true) {
throw new InstallerException("Unable to open zip {$this->source}.");
}
$zip_paths = array();
for ($i = 0; $i < $zip->numFiles; $i++) {
$zip_paths[$i] = $zip->getNameIndex($i);
}
$target_paths = Installer::junkParent($zip_paths);
foreach ($target_paths as $i => $name) {
if (empty($name)) {
continue;
}
$target_path = $this->getPath() . '/' . $name;
// Check is name ends with '/' (directory name)
if (strpos($name, '/', strlen($name) - 1) === false) {
// We have a file name
// We load each zipped file in memory.
// It is much faster than getting the Stream handle.
// For Sugar 7 archive we peak at 24MB so it shouldn't be an issue.
$content = $zip->getFromIndex($i);
if ($content === false) {
throw new InstallerException("Error while extracting {$name} from the archive.");
}
if (file_put_contents($target_path, $content) === false) {
throw new InstallerException("Error while writting to file {$target_path}.");
}
} else {
// We have a dir name
$this->fs->mkdir($target_path);
}
}
if (!$zip->close()) {
throw new InstallerException("Unable to close zip {$this->source}.");
}
$this->getLogger()->info('Extraction OK.');
}
/**
* @dataProvider junkParentProvider
*/
public function testJunkParent($expected, $path)
{
$this->assertEquals($expected, Installer::junkParent($path));
}
