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-rw-r--r--src/SemanticScuttle/Service/User.php211
1 files changed, 179 insertions, 32 deletions
diff --git a/src/SemanticScuttle/Service/User.php b/src/SemanticScuttle/Service/User.php
index 09a2cb1..c3633de 100644
--- a/src/SemanticScuttle/Service/User.php
+++ b/src/SemanticScuttle/Service/User.php
@@ -48,9 +48,10 @@ class SemanticScuttle_Service_User extends SemanticScuttle_DbService
protected $currentuser = null;
protected $fields = array(
- 'primary' => 'uId',
- 'username' => 'username',
- 'password' => 'password'
+ 'primary' => 'uId',
+ 'username' => 'username',
+ 'password' => 'password',
+ 'privatekey' => 'privatekey'
);
protected $profileurl;
@@ -215,6 +216,18 @@ class SemanticScuttle_Service_User extends SemanticScuttle_DbService
return $this->_getuser($this->getFieldName('username'), $username);
}
+ /**
+ * Returns user row from database.
+ *
+ * @param string $privatekey Private Key
+ *
+ * @return array User array from database, false if no user was found
+ */
+ public function getUserByPrivateKey($privatekey)
+ {
+ return $this->_getuser($this->getFieldName('privatekey'), $privatekey);
+ }
+
function getObjectUserByUsername($username) {
$user = $this->_getuser($this->getFieldName('username'), $username);
if($user != false) {
@@ -280,6 +293,22 @@ class SemanticScuttle_Service_User extends SemanticScuttle_DbService
}
/**
+ * Tells you if the private key is enabled and valid
+ *
+ * @param string $privateKey Private Key
+ *
+ * @return boolean True if enabled and valid
+ */
+ public function isPrivateKeyValid($privateKey)
+ {
+ // check length of private key
+ if (strlen($privateKey) == 32) {
+ return true;
+ }
+ return false;
+ }
+
+ /**
* Returns the current user object
*
* @param boolean $refresh Reload the user from database
@@ -293,7 +322,7 @@ class SemanticScuttle_Service_User extends SemanticScuttle_DbService
{
if (!is_null($newval)) {
//internal use only: reset currentuser
- $currentuser = $newval;
+ $this->currentuser = $newval;
} else if ($refresh || !isset($this->currentuser)) {
if ($id = $this->getCurrentUserId()) {
$this->currentuser = $this->getUser($id);
@@ -510,6 +539,47 @@ class SemanticScuttle_Service_User extends SemanticScuttle_DbService
}
/**
+ * Try to authenticate via the privatekey
+ *
+ * @param string $privatekey Private Key
+ *
+ * @return boolean true if the user could be authenticated,
+ * false if not.
+ */
+ public function loginPrivateKey($privatekey)
+ {
+ /* Check if private key valid and enabled */
+ if (!$this->isPrivateKeyValid($privatekey)) {
+ return false;
+ }
+
+ $query = 'SELECT '. $this->getFieldName('primary') .' FROM '
+ . $this->getTableName() .' WHERE '
+ . $this->getFieldName('privatekey') .' = "'
+ . $this->db->sql_escape($privatekey) .'"';
+
+ if (!($dbresult = $this->db->sql_query($query))) {
+ message_die(
+ GENERAL_ERROR,
+ 'Could not get user',
+ '', __LINE__, __FILE__, $query, $this->db
+ );
+ return false;
+ }
+
+ $row = $this->db->sql_fetchrow($dbresult);
+ $this->db->sql_freeresult($dbresult);
+
+ if ($row) {
+ $id = $_SESSION[$this->getSessionKey()]
+ = $row[$this->getFieldName('primary')];
+ return true;
+ } else {
+ return false;
+ }
+ }
+
+ /**
* Logs the user off
*
* @return void
@@ -519,7 +589,8 @@ class SemanticScuttle_Service_User extends SemanticScuttle_DbService
@setcookie($this->getCookiekey(), '', time() - 1, '/');
unset($_COOKIE[$this->getCookiekey()]);
session_unset();
- $this->getCurrentUser(TRUE, false);
+ $this->currentuserId = null;
+ $this->currentuser = null;
}
function getWatchlist($uId) {
@@ -646,24 +717,26 @@ class SemanticScuttle_Service_User extends SemanticScuttle_DbService
* No checks are done in here - you ought to have checked
* everything before calling this method!
*
- * @param string $username Username to use
- * @param string $password Password to use
- * @param string $email Email to use
+ * @param string $username Username to use
+ * @param string $password Password to use
+ * @param string $email Email to use
+ * @param string $privateKey Key for RSS auth
*
* @return mixed Integer user ID if all is well,
* boolean false if an error occured
*/
- public function addUser($username, $password, $email)
+ public function addUser($username, $password, $email, $privateKey = null)
{
// Set up the SQL UPDATE statement.
$datetime = gmdate('Y-m-d H:i:s', time());
$password = $this->sanitisePassword($password);
$values = array(
- 'username' => $username,
- 'password' => $password,
- 'email' => $email,
- 'uDatetime' => $datetime,
- 'uModified' => $datetime
+ 'username' => $username,
+ 'password' => $password,
+ 'email' => $email,
+ 'uDatetime' => $datetime,
+ 'uModified' => $datetime,
+ 'privateKey' => $privateKey
);
$sql = 'INSERT INTO '. $this->getTableName()
. ' '. $this->db->sql_build_array('INSERT', $values);
@@ -687,40 +760,64 @@ class SemanticScuttle_Service_User extends SemanticScuttle_DbService
/**
* Updates the given user
*
- * @param integer $uId ID of user to change
- * @param string $password Password to use
- * @param string $name Realname to use
- * @param string $email Email to use
- * @param string $homepage User's homepage
- * @param string $uContent User note
+ * @param integer $uId ID of user to change
+ * @param string $password Password to use
+ * @param string $name Realname to use
+ * @param string $email Email to use
+ * @param string $homepage User's homepage
+ * @param string $uContent User note
+ * @param string $privateKey RSS Private Key
+ * @param boolean $enablePrivateKey RSS Private Key Flag
*
* @return boolean True when all is well, false if not
*/
public function updateUser(
- $uId, $password, $name, $email, $homepage, $uContent
+ $uId, $password, $name, $email, $homepage, $uContent,
+ $privateKey = null, $enablePrivateKey = false
) {
if (!is_numeric($uId)) {
return false;
}
+ // prepend '-' to privateKey if disabled
+ if ($privateKey != null && strlen($privateKey) == 32
+ && $enablePrivateKey == false
+ ) {
+ $privateKey = '-' . $privateKey;
+ }
+
+ // remove '-' from privateKey if enabling
+ if ($privateKey != null && strlen($privateKey) == 33
+ && $enablePrivateKey == true
+ ) {
+ $privateKey = substr($privateKey, 1, 32);
+ }
+
+ // if new user is enabling Private Key, create new key
+ if ($privateKey == null && $enablePrivateKey == true) {
+ $privateKey = $this->getNewPrivateKey();
+ }
+
// Set up the SQL UPDATE statement.
$moddatetime = gmdate('Y-m-d H:i:s', time());
if ($password == '') {
$updates = array(
- 'uModified' => $moddatetime,
- 'name' => $name,
- 'email' => $email,
- 'homepage' => $homepage,
- 'uContent' => $uContent
+ 'uModified' => $moddatetime,
+ 'name' => $name,
+ 'email' => $email,
+ 'homepage' => $homepage,
+ 'uContent' => $uContent,
+ 'privateKey' => $privateKey
);
} else {
$updates = array(
- 'uModified' => $moddatetime,
- 'password' => $this->sanitisePassword($password),
- 'name' => $name,
- 'email' => $email,
- 'homepage' => $homepage,
- 'uContent' => $uContent
+ 'uModified' => $moddatetime,
+ 'password' => $this->sanitisePassword($password),
+ 'name' => $name,
+ 'email' => $email,
+ 'homepage' => $homepage,
+ 'uContent' => $uContent,
+ 'privateKey' => $privateKey
);
}
$sql = 'UPDATE '. $this->getTableName()
@@ -837,6 +934,56 @@ class SemanticScuttle_Service_User extends SemanticScuttle_DbService
}
}
+ /**
+ * Generates a new private key and confirms it isn't being used.
+ * Private key is 32 characters long, consisting of lowercase and
+ * numeric characters.
+ *
+ * @return string the new key value
+ */
+ public function getNewPrivateKey()
+ {
+ do {
+ $newKey = md5(uniqid('SemanticScuttle', true));
+ } while ($this->privateKeyExists($newKey));
+
+ return $newKey;
+ }
+
+ /**
+ * Checks if a private key already exists
+ *
+ * @param string $privateKey key that has been generated
+ *
+ * @return boolean true when the private key exists,
+ * False if not.
+ */
+ public function privateKeyExists($privateKey)
+ {
+ if (!$privateKey) {
+ return false;
+ }
+ $crit = array('privateKey' => $privateKey);
+
+ $sql = 'SELECT COUNT(*) as "0" FROM '
+ . $GLOBALS['tableprefix'] . 'users'
+ . ' WHERE '. $this->db->sql_build_array('SELECT', $crit);
+
+ if (!($dbresult = $this->db->sql_query($sql))) {
+ message_die(
+ GENERAL_ERROR, 'Could not get vars', '',
+ __LINE__, __FILE__, $sql, $this->db
+ );
+ }
+ if ($this->db->sql_fetchfield(0, 0) > 0) {
+ $exists = true;
+ } else {
+ $exists = false;
+ }
+ $this->db->sql_freeresult($dbresult);
+ return $exists;
+ }
+
function isReserved($username) {
if (in_array($username, $GLOBALS['reservedusers'])) {
return true;