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<?php
class FreshRSS_fever_Util {
const FEVER_PATH = DATA_PATH . '/fever';
/**
* Make sure the fever path exists and is writable.
*
* @return boolean true if the path is writable, else false.
*/
public static function checkFeverPath() {
if (!file_exists(self::FEVER_PATH)) {
@mkdir(self::FEVER_PATH, 0770, true);
}
$ok = is_writable(self::FEVER_PATH);
if (!$ok) {
Minz_Log::error("Could not save Fever API credentials. The directory does not have write access.");
}
return $ok;
}
/**
* Return the corresponding path for a fever key.
*
* @param string $feverKey
* @return string
*/
public static function getKeyPath($feverKey) {
$salt = sha1(FreshRSS_Context::$system_conf->salt);
return self::FEVER_PATH . '/.key-' . $salt . '-' . $feverKey . '.txt';
}
/**
* Update the fever key of a user.
*
* @param string $username
* @param string $passwordPlain
* @return string|false the Fever key, or false if the update failed
*/
public static function updateKey($username, $passwordPlain) {
$ok = self::checkFeverPath();
if (!$ok) {
return false;
}
self::deleteKey($username);
$feverKey = strtolower(md5("{$username}:{$passwordPlain}"));
$feverKeyPath = self::getKeyPath($feverKey);
$res = file_put_contents($feverKeyPath, $username);
if ($res !== false) {
return $feverKey;
} else {
Minz_Log::warning('Could not save Fever API credentials. Unknown error.', ADMIN_LOG);
return false;
}
}
/**
* Delete the Fever key of a user.
*
* @param string $username
* @return boolean true if the deletion succeeded, else false.
*/
public static function deleteKey($username) {
$userConfig = get_user_configuration($username);
if ($userConfig === null) {
return false;
}
$feverKey = $userConfig->feverKey;
if (!ctype_xdigit($feverKey)) {
return false;
}
$feverKeyPath = self::getKeyPath($feverKey);
return @unlink($feverKeyPath);
}
}
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