/**
* This function is used in deleting plugins.
* It removes the plugin from the codebase as well as
* from the Database. When user request to delete a plugin
* id of that plugin is sent in $_GET global variable.
*
* @author Shubham Meena, mentored by Matthew Lagoe
*/
function delete_plugin()
{
// if logged in
if (WebUsers::isLoggedIn()) {
if (isset($_GET['id'])) {
// id of plugin to delete after filtering
$id = filter_var($_GET['id'], FILTER_SANITIZE_FULL_SPECIAL_CHARS);
$db = new DBLayer('lib');
$sth = $db->selectWithParameter("FileName", "plugins", array('id' => $id), "Id=:id");
$name = $sth->fetch();
if (is_dir("{$name['FileName']}")) {
// removing plugin directory from the code base
if (Plugincache::rrmdir("{$name['FileName']}")) {
$db->delete('plugins', array('id' => $id), "Id=:id");
//if result successfull redirect and show success message
header("Cache-Control: max-age=1");
header("Location: index.php?page=plugins&result=2");
throw new SystemExit();
} else {
// if result unsuccessfull redirect and show error message
header("Cache-Control: max-age=1");
header("Location: index.php?page=plugins&result=0");
throw new SystemExit();
}
}
} else {
// if result unsuccessfull redirect and show error message
header("Cache-Control: max-age=1");
header("Location: index.php?page=plugins&result=0");
throw new SystemExit();
}
}
}
/**
* This function is used in installing updates for plugins.
* It takes id of the plugin whose update is available using
* $_GET global variable and then extract the update details
* from db and then install it in the plugin.
*
* @author Shubham Meena, mentored by Matthew Lagoe
*/
function update_plugin()
{
// if logged in
if (WebUsers::isLoggedIn()) {
if (isset($_GET['id'])) {
// id of plugin to update
$id = filter_var($_GET['id'], FILTER_SANITIZE_FULL_SPECIAL_CHARS);
$db = new DBLayer('lib');
$sth = $db->executeWithoutParams("SELECT * FROM plugins INNER JOIN updates ON plugins.Id=updates.PluginId Where plugins.Id={$id}");
$row = $sth->fetch();
// replacing update in the database
Plugincache::rrmdir($row['FileName']);
Plugincache::zipExtraction($row['UpdatePath'], rtrim($row['FileName'], strtolower($row['Name'])));
$db->update("plugins", array('Info' => $row['UpdateInfo']), "Id={$row['Id']}");
// deleting the previous update
$db->delete("updates", array('id' => $row['s.no']), "s.no=:id");
// if update is installed succesffully redirect to show success message
header("Cache-Control: max-age=1");
header("Location: index.php?page=plugins&result=8");
throw new SystemExit();
}
}
}
/**
* deletes an existing 'assigned' entry.
* this method will use the object's attributes for deleting an existing 'assigned' entry in the database.
*/
public function delete()
{
$dbl = new DBLayer("lib");
$dbl->delete("`assigned`", array('user_id' => $this->getUser(), 'ticket_id' => $this->getTicket()), "`User` = :user_id and `Ticket` = :ticket_id");
}
/**
* function that creates a ticket Attachment.
*/
public static function add_Attachment($TId, $filename, $author, $tempFile)
{
global $FILE_STORAGE_PATH;
$length = mt_rand(20, 25);
$characters = '0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ$-_.+!*\'(),';
$randomString = '';
for ($i = 0; $i < $length; $i++) {
$randomString .= $characters[rand(0, strlen($characters) - 1)];
}
$targetFile = $FILE_STORAGE_PATH . $randomString . "/" . $filename;
if (file_exists($targetFile)) {
return self::add_Attachment($TId, $filename, $author, $tempFile);
}
$ticket = new Ticket();
$ticket->load_With_TId($TId);
//create the attachment!
try {
$dbl = new DBLayer("lib");
$dbl->insert("`ticket_attachments`", array('ticket_TId' => $TId, 'Filename' => $filename, 'Filesize' => filesize($tempFile), 'Uploader' => $author, 'Path' => $randomString . "/" . $filename));
} catch (Exception $e) {
return $false;
}
mkdir($FILE_STORAGE_PATH . $randomString);
$return = move_uploaded_file($tempFile, $targetFile);
if ($return == false) {
$dbl->delete("`ticket_attachments`", array('Path' => $randomString . "/" . $filename), "`Path` = :Path");
}
//write a log entry
Ticket_Log::createLogEntry($TId, $author, 10);
return $return;
}
/**
* function to check for updates or
* if the same plugin already exists
* also, if the update founds ,check for the UpdateInfo in the .info file.
* Update is saved in the temp directory with pluginName_version.zip
*
* @param $fileName file which is uploaded in .zip extension
* @param $findPath where we have to look for the installed plugins
* @param $tempFile path for the temporary file
* @param $tempPath path where we have to store the update
* @return 2 if plugin already exists and update not found
* @return 3 if update info tag not found in .info file
*/
function checkForUpdate($fileName, $findPath, $tempFile, $tempPath)
{
// check for plugin if exists
$file = scandir($findPath);
foreach ($file as $key => $value) {
if (strcmp($value, $fileName) == 0) {
if (!file_exists($tempPath . "/test")) {
mkdir($tempPath . "/test");
}
// extracting the update
if (zipExtraction($tempFile, $tempPath . "/test/")) {
$result = readPluginFile(".info", $tempPath . "/test/" . $fileName);
// check for the version for the plugin
$db = new DBLayer("lib");
$sth = $db->select("plugins", array('Name' => $result['PluginName']), "Name = :Name");
$info = $sth->fetch();
$info['Info'] = json_decode($info['Info']);
// the two versions from main plugin and the updated part
$new_version = explode('.', $result['Version']);
$pre_version = explode('.', $info['Info']->Version);
// For all plugins we have used semantic versioning
// Format: X.Y.Z ,X->Major, Y->Minor, Z->Patch
// change in the X Y & Z values refer the type of change in the plugin.
// for initial development only Minor an Patch MUST be 0.
// if there is bug fix then there MUST be an increment in the Z value.
// if there is change in the functionality or addition of new functionality
// then there MUST be an increment in the Y value.
// When there is increment in the X value , Y and Z MUST be 0.
// comparing if there is some change
if (!array_diff($new_version, $pre_version)) {
// removing the uploaded file
Plugincache::rrmdir($tempPath . "/test/" . $fileName);
return '2';
//plugin already exists
} else {
// check for update info if exists
if (!array_key_exists('UpdateInfo', $result)) {
return '3';
//update info tag not found
} else {
// check if update already exists
if (pluginUpdateExists($info['Id'], $tempPath . "/" . trim($fileName, ".zip") . "_" . $result['Version'] . ".zip")) {
echo "Update already exists";
throw new SystemExit();
} else {
// removing the preivous update
$dbr = new DBLayer("lib");
$dbr->delete("updates", array('id' => $info['Id']), "PluginId=:id");
// storing update in the temp directory
// format of update save
if (move_uploaded_file($tempFile, $tempPath . "/" . trim($fileName, ".zip") . "_" . $result['Version'] . ".zip")) {
// setting update information in the database
$update['PluginId'] = $info['Id'];
$update['UpdatePath'] = $tempPath . "/" . trim($fileName, ".zip") . "_" . $result['Version'] . ".zip";
$update['UpdateInfo'] = json_encode($result);
$dbr->insert("updates", $update);
header("Cache-Control: max-age=1");
header("Location: index.php?page=plugins&result=7");
throw new SystemExit();
}
}
}
}
}
}
}
}
/**
* Global Hook to update or delete the data from db
*/
function api_key_management_hook_update_db()
{
global $var_set;
global $API_key_management_return_set;
$db = new DBLayer('lib');
if (isset($_GET['delete_id'])) {
// removes the registered key using get variable which contains the id of the registered key
$db->delete('ams_api_keys', array('SNo' => $_GET['delete_id']), 'SNo = :SNo');
// redirecting to the API_key_management plugins template with success code
// 2 refers to the succssfull delete condition
header("Location: index.php?page=layout_plugin&&name=API_key_management&&success=2");
throw new SystemExit();
}
}
/**
* deletes an existing 'forwarded' entry.
* this method will use the object's attributes for deleting an existing 'forwarded' entry in the database.
*/
public function delete()
{
$dbl = new DBLayer("lib");
$dbl->delete("`forwarded`", array('group_id' => $this->getGroup(), 'ticket_id' => $this->getTicket(), "`Group` = :group_id and `Ticket` = :ticket_id"));
}
/**
* performs the actions listed in the querycache.
* All entries in the querycache will be read and performed depending on their type.
* This is done because the shard could have been offline and we want changes made on the website (which is still online) to eventually hit the shard.
* These changes are: createPermissions, createUser, change_pass, change_mail
*/
public static function syncdata($display = false)
{
if (function_exists('pcntl_fork')) {
$pid = pcntl_fork();
}
global $AMS_TMPDIR;
$pidfile = $AMS_TMPDIR . '/ams_cron_pid';
if (isset($pid) and function_exists('pcntl_fork')) {
// We're the main process.
} else {
$pid = getmypid();
if (Sync::check_for_pid(@file_get_contents($pidfile))) {
$file = fopen($pidfile, 'w+');
if (!$file) {
echo $pidfile . ' is not writeable.';
error_log($pidfile . ' is not writeable.');
throw new SystemExit();
}
fwrite($file, $pid);
fclose($file);
try {
$dbl = new DBLayer("lib");
$statement = $dbl->executeWithoutParams("SELECT * FROM ams_querycache");
$rows = $statement->fetchAll();
foreach ($rows as $record) {
$db = new DBLayer($record['db']);
switch ($record['type']) {
case 'createPermissions':
$decode = json_decode($record['query']);
$values = array('username' => $decode[0]);
//make connection with and put into shard db & delete from the lib
$sth = $db->selectWithParameter("UId", "user", $values, "Login= :username");
$result = $sth->fetchAll();
/*foreach ($result as $UId) {
$ins_values = array('UId' => $UId['UId']);
$ins_values['ClientApplication'] = "r2";
$ins_values['AccessPrivilege'] = "OPEN";
$db->insert("permission", $ins_values);
$ins_values['ClientApplication'] = 'ryzom_open';
$db->insert("permission",$ins_values);
}*/
// FIXME: GARBAGE
break;
case 'change_pass':
$decode = json_decode($record['query']);
$values = array('Password' => $decode[1]);
//make connection with and put into shard db & delete from the lib
$db->update("user", $values, "Login = '******'0']}'");
break;
case 'change_mail':
$decode = json_decode($record['query']);
$values = array('Email' => $decode[1]);
//make connection with and put into shard db & delete from the lib
$db->update("user", $values, "Login = '******'0']}'");
break;
case 'createUser':
$decode = json_decode($record['query']);
$values = array('Login' => $decode[0], 'Password' => $decode[1], 'Email' => $decode[2]);
//make connection with and put into shard db & delete from the lib
$db->insert("user", $values);
break;
}
$dbl->delete("ams_querycache", array('SID' => $record['SID']), "SID=:SID");
}
if ($display == true) {
print 'Syncing completed';
}
} catch (PDOException $e) {
if ($display == true) {
print 'Something went wrong! The shard is probably still offline!';
print_r($e);
}
}
unlink($pidfile);
}
}
}
/**
* deletes an existing 'support_group' entry.
* this method will use the object's attributes for deleting an existing 'support_group' entry in the database.
*/
public function delete()
{
$dbl = new DBLayer("lib");
$dbl->delete("`support_group`", array('id' => $this->getSGroupId()), "`SGroupId` = :id");
}
/**
* deletes an existing 'in_support_group' entry.
* this method will use the object's attributes for deleting an existing 'in_support_group' entry in the database.
*/
public function delete()
{
$dbl = new DBLayer("lib");
$dbl->delete("`in_support_group`", array('user_id' => $this->getUser(), 'group_id' => $this->getGroup()), "`User` = :user_id and `Group` = :group_id");
}
