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Diffstat (limited to 'Zotlabs/Storage/BasicAuth.php')
| -rw-r--r-- | Zotlabs/Storage/BasicAuth.php | 212 |
1 files changed, 212 insertions, 0 deletions
diff --git a/Zotlabs/Storage/BasicAuth.php b/Zotlabs/Storage/BasicAuth.php new file mode 100644 index 000000000..637cd222f --- /dev/null +++ b/Zotlabs/Storage/BasicAuth.php @@ -0,0 +1,212 @@ +<?php + +namespace Zotlabs\Storage; + +use Sabre\DAV; + +/** + * @brief Authentication backend class for DAV. + * + * This class also contains some data which is not necessary for authentication + * like timezone settings. + * + * @extends Sabre\DAV\Auth\Backend\AbstractBasic + * + * @link http://github.com/friendica/red + * @license http://opensource.org/licenses/mit-license.php The MIT License (MIT) + */ +class BasicAuth extends DAV\Auth\Backend\AbstractBasic { + + /** + * @brief This variable holds the currently logged-in channel_address. + * + * It is used for building path in filestorage/. + * + * @var string|null + */ + protected $channel_name = null; + /** + * channel_id of the current channel of the logged-in account. + * + * @var int + */ + public $channel_id = 0; + /** + * channel_hash of the current channel of the logged-in account. + * + * @var string + */ + public $channel_hash = ''; + /** + * Set in mod/cloud.php to observer_hash. + * + * @var string + */ + public $observer = ''; + /** + * + * @see Browser::set_writeable() + * @var \Sabre\DAV\Browser\Plugin + */ + public $browser; + /** + * channel_id of the current visited path. Set in Directory::getDir(). + * + * @var int + */ + public $owner_id = 0; + /** + * channel_name of the current visited path. Set in Directory::getDir(). + * + * Used for creating the path in cloud/ + * + * @var string + */ + public $owner_nick = ''; + /** + * Timezone from the visiting channel's channel_timezone. + * + * Used in @ref RedBrowser + * + * @var string + */ + protected $timezone = ''; + + + /** + * @brief Validates a username and password. + * + * Guest access is granted with the password "+++". + * + * @see \Sabre\DAV\Auth\Backend\AbstractBasic::validateUserPass + * @param string $username + * @param string $password + * @return bool + */ + protected function validateUserPass($username, $password) { + if (trim($password) === '+++') { + logger('guest: ' . $username); + return true; + } + + require_once('include/auth.php'); + $record = account_verify_password($username, $password); + if ($record && $record['account_default_channel']) { + $r = q("SELECT * FROM channel WHERE channel_account_id = %d AND channel_id = %d LIMIT 1", + intval($record['account_id']), + intval($record['account_default_channel']) + ); + if ($r) { + return $this->setAuthenticated($r[0]); + } + } + $r = q("SELECT * FROM channel WHERE channel_address = '%s' LIMIT 1", + dbesc($username) + ); + if ($r) { + $x = q("SELECT account_flags, account_salt, account_password FROM account WHERE account_id = %d LIMIT 1", + intval($r[0]['channel_account_id']) + ); + if ($x) { + // @fixme this foreach should not be needed? + foreach ($x as $record) { + if ((($record['account_flags'] == ACCOUNT_OK) || ($record['account_flags'] == ACCOUNT_UNVERIFIED)) + && (hash('whirlpool', $record['account_salt'] . $password) === $record['account_password'])) { + logger('password verified for ' . $username); + return $this->setAuthenticated($r[0]); + } + } + } + } + + $error = 'password failed for ' . $username; + logger($error); + log_failed_login($error); + + return false; + } + + /** + * @brief Sets variables and session parameters after successfull authentication. + * + * @param array $r + * Array with the values for the authenticated channel. + * @return bool + */ + protected function setAuthenticated($r) { + $this->channel_name = $r['channel_address']; + $this->channel_id = $r['channel_id']; + $this->channel_hash = $this->observer = $r['channel_hash']; + $_SESSION['uid'] = $r['channel_id']; + $_SESSION['account_id'] = $r['channel_account_id']; + $_SESSION['authenticated'] = true; + return true; + } + + /** + * Sets the channel_name from the currently logged-in channel. + * + * @param string $name + * The channel's name + */ + public function setCurrentUser($name) { + $this->channel_name = $name; + } + /** + * Returns information about the currently logged-in channel. + * + * If nobody is currently logged in, this method should return null. + * + * @see \Sabre\DAV\Auth\Backend\AbstractBasic::getCurrentUser + * @return string|null + */ + public function getCurrentUser() { + return $this->channel_name; + } + + /** + * @brief Sets the timezone from the channel in RedBasicAuth. + * + * Set in mod/cloud.php if the channel has a timezone set. + * + * @param string $timezone + * The channel's timezone. + * @return void + */ + public function setTimezone($timezone) { + $this->timezone = $timezone; + } + /** + * @brief Returns the timezone. + * + * @return string + * Return the channel's timezone. + */ + public function getTimezone() { + return $this->timezone; + } + + /** + * @brief Set browser plugin for SabreDAV. + * + * @see RedBrowser::set_writeable() + * @param \Sabre\DAV\Browser\Plugin $browser + */ + public function setBrowserPlugin($browser) { + $this->browser = $browser; + } + + /** + * @brief Prints out all BasicAuth variables to logger(). + * + * @return void + */ + public function log() { + logger('channel_name ' . $this->channel_name, LOGGER_DATA); + logger('channel_id ' . $this->channel_id, LOGGER_DATA); + logger('channel_hash ' . $this->channel_hash, LOGGER_DATA); + logger('observer ' . $this->observer, LOGGER_DATA); + logger('owner_id ' . $this->owner_id, LOGGER_DATA); + logger('owner_nick ' . $this->owner_nick, LOGGER_DATA); + } +}
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