/** Cypher the publiclet object data and write to disk.
* @param Array $data The publiclet data array to write
The data array must have the following keys:
- DRIVER The driver used to get the file's content
- OPTIONS The driver options to be successfully constructed (usually, the user and password)
- FILE_PATH The path to the file's content
- PASSWORD If set, the written publiclet will ask for this password before sending the content
- ACTION If set, action to perform
- USER If set, the AJXP user
- EXPIRE_TIME If set, the publiclet will deny downloading after this time, and probably self destruct.
* - AUTHOR_WATCH If set, will post notifications for the publiclet author each time the file is loaded
* @param AbstractAccessDriver $accessDriver
* @param Repository $repository
* @return array An array containing the hash (0) and the generated url (1)
*/
public function writePubliclet(&$data, $accessDriver, $repository)
{
$downloadFolder = ConfService::getCoreConf("PUBLIC_DOWNLOAD_FOLDER");
if (!is_dir($downloadFolder)) {
return "ERROR : Public URL folder does not exist!";
}
if (!function_exists("mcrypt_create_iv")) {
return "ERROR : MCrypt must be installed to use publiclets!";
}
$this->initPublicFolder($downloadFolder);
$data["PLUGIN_ID"] = $accessDriver->getId();
$data["BASE_DIR"] = $accessDriver->getBaseDir();
//$data["REPOSITORY"] = $repository;
if (AuthService::usersEnabled()) {
$data["OWNER_ID"] = AuthService::getLoggedUser()->getId();
}
$storeCreds = false;
if ($repository->getOption("META_SOURCES")) {
$options["META_SOURCES"] = $repository->getOption("META_SOURCES");
foreach ($options["META_SOURCES"] as $metaSource) {
if (isset($metaSource["USE_SESSION_CREDENTIALS"]) && $metaSource["USE_SESSION_CREDENTIALS"] === true) {
$storeCreds = true;
break;
}
}
}
if ($storeCreds || $accessDriver->hasMixin("credentials_consumer")) {
$cred = AJXP_Safe::tryLoadingCredentialsFromSources(array(), $repository);
if (isset($cred["user"]) && isset($cred["password"])) {
$data["SAFE_USER"] = $cred["user"];
$data["SAFE_PASS"] = $cred["password"];
}
}
// Force expanded path in publiclet
$copy = clone $repository;
$copy->addOption("PATH", $repository->getOption("PATH"));
$data["REPOSITORY"] = $copy;
if ($data["ACTION"] == "") {
$data["ACTION"] = "download";
}
// Create a random key
$data["FINAL_KEY"] = md5(mt_rand() . time());
// Cypher the data with a random key
$outputData = serialize($data);
// Hash the data to make sure it wasn't modified
$hash = $this->computeHash($outputData, $downloadFolder);
// md5($outputData);
$outputData = base64_encode(mcrypt_encrypt(MCRYPT_RIJNDAEL_256, $hash, $outputData, MCRYPT_MODE_ECB));
$fileData = "<" . "?" . "php \n" . ' require_once("' . str_replace("\\", "/", AJXP_INSTALL_PATH) . '/publicLet.inc.php"); ' . "\n" . ' $id = str_replace(".php", "", basename(__FILE__)); ' . "\n" . ' $cypheredData = base64_decode("' . $outputData . '"); ' . "\n" . ' $inputData = trim(mcrypt_decrypt(MCRYPT_RIJNDAEL_256, $id, $cypheredData, MCRYPT_MODE_ECB), "\\0"); ' . "\n" . ' if (!ShareCenter::checkHash($inputData, $id)) { header("HTTP/1.0 401 Not allowed, script was modified"); exit(); } ' . "\n" . ' // Ok extract the data ' . "\n" . ' $data = unserialize($inputData); ShareCenter::loadPubliclet($data); ';
if (@file_put_contents($downloadFolder . "/" . $hash . ".php", $fileData) === FALSE) {
return "Can't write to PUBLIC URL";
}
@chmod($downloadFolder . "/" . $hash . ".php", 0755);
PublicletCounter::reset($hash);
$url = $this->buildPublicletLink($hash);
$this->logInfo("New Share", array("file" => "'" . $copy->display . ":/" . $data['FILE_PATH'] . "'", "url" => $url, "expiration" => $data['EXPIRE_TIME'], "limit" => $data['DOWNLOAD_LIMIT'], "repo_uuid" => $copy->uuid));
AJXP_Controller::applyHook("node.share.create", array('type' => 'file', 'repository' => &$copy, 'accessDriver' => &$accessDriver, 'data' => &$data, 'url' => $url));
return array($hash, $url);
}
/**
* @param array $data
* @param AbstractAccessDriver $accessDriver
* @param Repository $repository
*/
public function storeSafeCredentialsIfNeeded(&$data, $accessDriver, $repository)
{
$storeCreds = false;
if ($repository->getOption("META_SOURCES")) {
$options["META_SOURCES"] = $repository->getOption("META_SOURCES");
foreach ($options["META_SOURCES"] as $metaSource) {
if (isset($metaSource["USE_SESSION_CREDENTIALS"]) && $metaSource["USE_SESSION_CREDENTIALS"] === true) {
$storeCreds = true;
break;
}
}
}
if ($storeCreds || $accessDriver->hasMixin("credentials_consumer")) {
$cred = AJXP_Safe::tryLoadingCredentialsFromSources(array(), $repository);
if (isset($cred["user"]) && isset($cred["password"])) {
$data["SAFE_USER"] = $cred["user"];
$data["SAFE_PASS"] = $cred["password"];
}
}
}
/** Cypher the publiclet object data and write to disk.
* @param Array $data The publiclet data array to write
The data array must have the following keys:
- DRIVER The driver used to get the file's content
- OPTIONS The driver options to be successfully constructed (usually, the user and password)
- FILE_PATH The path to the file's content
- PASSWORD If set, the written publiclet will ask for this password before sending the content
- ACTION If set, action to perform
- USER If set, the AJXP user
- EXPIRE_TIME If set, the publiclet will deny downloading after this time, and probably self destruct.
* @param AbstractAccessDriver $accessDriver
* @param Repository $repository
* @return the URL to the downloaded file
*/
function writePubliclet($data, $accessDriver, $repository)
{
$downloadFolder = ConfService::getCoreConf("PUBLIC_DOWNLOAD_FOLDER");
if (!is_dir($downloadFolder)) {
return "ERROR : Public URL folder does not exist!";
}
if (!function_exists("mcrypt_create_iv")) {
return "ERROR : MCrypt must be installed to use publiclets!";
}
$this->initPublicFolder($downloadFolder);
$data["PLUGIN_ID"] = $accessDriver->getId();
$data["BASE_DIR"] = $accessDriver->getBaseDir();
$data["REPOSITORY"] = $repository;
if (AuthService::usersEnabled()) {
$data["OWNER_ID"] = AuthService::getLoggedUser()->getId();
}
if ($accessDriver->hasMixin("credentials_consumer")) {
$cred = AJXP_Safe::tryLoadingCredentialsFromSources(array(), $repository);
if (isset($cred["user"]) && isset($cred["password"])) {
$data["SAFE_USER"] = $cred["user"];
$data["SAFE_PASS"] = $cred["password"];
}
}
// Force expanded path in publiclet
$data["REPOSITORY"]->addOption("PATH", $repository->getOption("PATH"));
if ($data["ACTION"] == "") {
$data["ACTION"] = "download";
}
// Create a random key
$data["FINAL_KEY"] = md5(mt_rand() . time());
// Cypher the data with a random key
$outputData = serialize($data);
// Hash the data to make sure it wasn't modified
$hash = md5($outputData);
// The initialisation vector is only required to avoid a warning, as ECB ignore IV
$iv = mcrypt_create_iv(mcrypt_get_iv_size(MCRYPT_RIJNDAEL_256, MCRYPT_MODE_ECB), MCRYPT_RAND);
// We have encoded as base64 so if we need to store the result in a database, it can be stored in text column
$outputData = base64_encode(mcrypt_encrypt(MCRYPT_RIJNDAEL_256, $hash, $outputData, MCRYPT_MODE_ECB, $iv));
// Okay, write the file:
$fileData = "<" . "?" . "php \n" . ' require_once("' . str_replace("\\", "/", AJXP_INSTALL_PATH) . '/publicLet.inc.php"); ' . "\n" . ' $id = str_replace(".php", "", basename(__FILE__)); ' . "\n" . ' $cypheredData = base64_decode("' . $outputData . '"); ' . "\n" . ' $iv = mcrypt_create_iv(mcrypt_get_iv_size(MCRYPT_RIJNDAEL_256, MCRYPT_MODE_ECB), MCRYPT_RAND); ' . "\n" . ' $inputData = trim(mcrypt_decrypt(MCRYPT_RIJNDAEL_256, $id, $cypheredData, MCRYPT_MODE_ECB, $iv), "\\0"); ' . "\n" . ' if (md5($inputData) != $id) { header("HTTP/1.0 401 Not allowed, script was modified"); exit(); } ' . "\n" . ' // Ok extract the data ' . "\n" . ' $data = unserialize($inputData); ShareCenter::loadPubliclet($data); ?' . '>';
if (@file_put_contents($downloadFolder . "/" . $hash . ".php", $fileData) === FALSE) {
return "Can't write to PUBLIC URL";
}
@chmod($downloadFolder . "/" . $hash . ".php", 0755);
PublicletCounter::reset($hash);
return $this->buildPublicletLink($hash);
}