\n"; if (!$send_resetkey) { print __("Click on the Login link above to use your account."); print "
\n"; return; } $subject = 'Welcome to the Arch User Repository'; $body = __('Welcome to %s! In order ' . 'to set an initial password ' . 'for your new account, ' . 'please click the link ' . 'below. If the link does ' . 'not work try copying and ' . 'pasting it into your ' . 'browser.', $AUR_LOCATION); send_resetkey($email, $subject, $body); print __("A password reset key has been sent to your e-mail address."); print "\n"; } else { /* Modify an existing account. */ $q = "SELECT InactivityTS FROM Users WHERE "; $q.= "ID = " . intval($UID); $result = $dbh->query($q); $row = $result->fetch(PDO::FETCH_NUM); if ($row[0] && $J) { $inactivity_ts = $row[0]; } elseif ($J) { $inactivity_ts = time(); } else { $inactivity_ts = 0; } $q = "UPDATE Users SET "; $q.= "Username = " . $dbh->quote($U); if ($T) { $q.= ", AccountTypeID = ".intval($T); } if ($S) { /* Ensure suspended users can't keep an active session */ delete_user_sessions($UID); $q.= ", Suspended = 1"; } else { $q.= ", Suspended = 0"; } $q.= ", Email = " . $dbh->quote($E); if ($P) { $salt = generate_salt(); $hash = salted_hash($P, $salt); $q .= ", Passwd = '$hash', Salt = '$salt'"; } $q.= ", RealName = " . $dbh->quote($R); $q.= ", LangPreference = " . $dbh->quote($L); $q.= ", IRCNick = " . $dbh->quote($I); $q.= ", PGPKey = " . $dbh->quote(str_replace(" ", "", $K)); $q.= ", InactivityTS = " . $inactivity_ts; $q.= " WHERE ID = ".intval($UID); $result = $dbh->exec($q); if (!$result) { print __("No changes were made to the account, %s%s%s.", "", htmlspecialchars($U,ENT_QUOTES), ""); } else { print __("The account, %s%s%s, has been successfully modified.", "", htmlspecialchars($U,ENT_QUOTES), ""); } } } /** * Display the search results page * * @param string $O The offset for the results page * @param string $SB The column to sort the results page by * @param string $U The username search criteria * @param string $T The account type search criteria * @param string $S Whether the account is suspended search criteria * @param string $E The e-mail address search criteria * @param string $R The real name search criteria * @param string $I The IRC nickname search criteria * @param string $K The PGP key fingerprint search criteria * * @return void */ function search_results_page($O=0,$SB="",$U="",$T="", $S="",$E="",$R="",$I="",$K="") { $HITS_PER_PAGE = 50; if ($O) { $OFFSET = intval($O); } else { $OFFSET = 0; } if ($OFFSET < 0) { $OFFSET = 0; } $search_vars = array(); $dbh = DB::connect(); $q = "SELECT Users.*, AccountTypes.AccountType "; $q.= "FROM Users, AccountTypes "; $q.= "WHERE AccountTypes.ID = Users.AccountTypeID "; if ($T == "u") { $q.= "AND AccountTypes.ID = 1 "; $search_vars[] = "T"; } elseif ($T == "t") { $q.= "AND AccountTypes.ID = 2 "; $search_vars[] = "T"; } elseif ($T == "d") { $q.= "AND AccountTypes.ID = 3 "; $search_vars[] = "T"; } elseif ($T == "td") { $q.= "AND AccountTypes.ID = 4 "; $search_vars[] = "T"; } if ($S) { $q.= "AND Users.Suspended = 1 "; $search_vars[] = "S"; } if ($U) { $U = "%" . addcslashes($U, '%_') . "%"; $q.= "AND Username LIKE " . $dbh->quote($U) . " "; $search_vars[] = "U"; } if ($E) { $E = "%" . addcslashes($E, '%_') . "%"; $q.= "AND Email LIKE " . $dbh->quote($E) . " "; $search_vars[] = "E"; } if ($R) { $R = "%" . addcslashes($R, '%_') . "%"; $q.= "AND RealName LIKE " . $dbh->quote($R) . " "; $search_vars[] = "R"; } if ($I) { $I = "%" . addcslashes($I, '%_') . "%"; $q.= "AND IRCNick LIKE " . $dbh->quote($I) . " "; $search_vars[] = "I"; } if ($K) { $K = "%" . addcslashes(str_replace(" ", "", $K), '%_') . "%"; $q.= "AND PGPKey LIKE " . $dbh->quote($K) . " "; $search_vars[] = "K"; } switch ($SB) { case 't': $q.= "ORDER BY AccountTypeID, Username "; break; case 'r': $q.= "ORDER BY RealName, AccountTypeID "; break; case 'i': $q.= "ORDER BY IRCNick, AccountTypeID "; break; default: $q.= "ORDER BY Username, AccountTypeID "; break; } $search_vars[] = "SB"; $q.= "LIMIT " . $HITS_PER_PAGE . " OFFSET " . $OFFSET; $dbh = DB::connect(); $result = $dbh->query($q); while ($row = $result->fetch(PDO::FETCH_ASSOC)) { $userinfo[] = $row; } include("account_search_results.php"); return; } /** * Attempt to login and generate a session * * @global int $MAX_SESSIONS_PER_USER Maximum sessions a single user may have open * @global int $PERSISTENT_COOKIE_TIMEOUT Time until cookie expires * * @return array Session ID for user, error message if applicable */ function try_login() { global $MAX_SESSIONS_PER_USER, $PERSISTENT_COOKIE_TIMEOUT; $login_error = ""; $new_sid = ""; $userID = null; if (!isset($_REQUEST['user']) && !isset($_REQUEST['passwd'])) { return array('SID' => '', 'error' => null); } if (is_ipbanned()) { $login_error = __('The login form is currently disabled ' . 'for your IP address, probably due ' . 'to sustained spam attacks. Sorry for the ' . 'inconvenience.'); return array('SID' => '', 'error' => $login_error); } $dbh = DB::connect(); $userID = valid_user($_REQUEST['user']); if (user_suspended($userID)) { $login_error = __('Account suspended'); return array('SID' => '', 'error' => $login_error); } elseif (passwd_is_empty($userID)) { $login_error = __('Your password has been reset. ' . 'If you just created a new account, please ' . 'use the link from the confirmation email ' . 'to set an initial password. Otherwise, ' . 'please request a reset key on the %s' . 'Password Reset%s page.', '', ''); return array('SID' => '', 'error' => $login_error); } elseif (!valid_passwd($userID, $_REQUEST['passwd'])) { $login_error = __("Bad username or password."); return array('SID' => '', 'error' => $login_error); } $logged_in = 0; $num_tries = 0; /* Generate a session ID and store it. */ while (!$logged_in && $num_tries < 5) { if ($MAX_SESSIONS_PER_USER) { /* * Delete all user sessions except the * last ($MAX_SESSIONS_PER_USER - 1). */ $q = "DELETE s.* FROM Sessions s "; $q.= "LEFT JOIN (SELECT SessionID FROM Sessions "; $q.= "WHERE UsersId = " . $userID . " "; $q.= "ORDER BY LastUpdateTS DESC "; $q.= "LIMIT " . ($MAX_SESSIONS_PER_USER - 1) . ") q "; $q.= "ON s.SessionID = q.SessionID "; $q.= "WHERE s.UsersId = " . $userID . " "; $q.= "AND q.SessionID IS NULL;"; $dbh->query($q); } $new_sid = new_sid(); $q = "INSERT INTO Sessions (UsersID, SessionID, LastUpdateTS)" ." VALUES (" . $userID . ", '" . $new_sid . "', UNIX_TIMESTAMP())"; $result = $dbh->exec($q); /* Query will fail if $new_sid is not unique. */ if ($result) { $logged_in = 1; break; } $num_tries++; } if (!$logged_in) { $login_error = __('An error occurred trying to generate a user session.'); return array('SID' => $new_sid, 'error' => $login_error); } $q = "UPDATE Users SET LastLogin = UNIX_TIMESTAMP(), "; $q.= "LastLoginIPAddress = " . $dbh->quote(ip2long($_SERVER['REMOTE_ADDR'])) . " "; $q.= "WHERE ID = '$userID'"; $dbh->exec($q); /* Set the SID cookie. */ if (isset($_POST['remember_me']) && $_POST['remember_me'] == "on") { /* Set cookies for 30 days. */ $cookie_time = time() + $PERSISTENT_COOKIE_TIMEOUT; /* Set session for 30 days. */ $q = "UPDATE Sessions SET LastUpdateTS = $cookie_time "; $q.= "WHERE SessionID = '$new_sid'"; $dbh->exec($q); } else { $cookie_time = 0; } setcookie("AURSID", $new_sid, $cookie_time, "/", null, !empty($_SERVER['HTTPS']), true); header("Location: " . get_uri('/')); $login_error = ""; } /** * Determine if the user is using a banned IP address * * @return bool True if IP address is banned, otherwise false */ function is_ipbanned() { $dbh = DB::connect(); $q = "SELECT * FROM Bans WHERE IPAddress = " . $dbh->quote(ip2long($_SERVER['REMOTE_ADDR'])); $result = $dbh->query($q); return ($result->fetchColumn() ? true : false); } /** * Validate a username against a collection of rules * * The username must be longer or equal to USERNAME_MIN_LEN. It must be shorter * or equal to USERNAME_MAX_LEN. It must start and end with either a letter or * a number. It can contain one period, hypen, or underscore. Returns boolean * of whether name is valid. * * @param string $user Username to validate * * @return bool True if username meets criteria, otherwise false */ function valid_username($user) { if (strlen($user) < USERNAME_MIN_LEN || strlen($user) > USERNAME_MAX_LEN) { return false; } else if (!preg_match("/^[a-z0-9]+[.\-_]?[a-z0-9]+$/i", $user)) { return false; } return true; } /** * Determine if a username exists in the database * * @param string $user Username to check in the database * * @return string|void Return user ID if in database, otherwise void */ function valid_user($user) { if (!$user) { return false; } $dbh = DB::connect(); $q = "SELECT ID FROM Users WHERE "; $q.= "Username = " . $dbh->quote($user); $result = $dbh->query($q); if (!$result) { return null; } $row = $result->fetch(PDO::FETCH_NUM); return $row[0]; } /** * Determine if a user already has a proposal open about themselves * * @param string $user Username to checkout for open proposal * * @return bool True if there is an open proposal about the user, otherwise false */ function open_user_proposals($user) { $dbh = DB::connect(); $q = "SELECT * FROM TU_VoteInfo WHERE User = " . $dbh->quote($user) . " "; $q.= "AND End > UNIX_TIMESTAMP()"; $result = $dbh->query($q); return ($result->fetchColumn() ? true : false); } /** * Add a new Trusted User proposal to the database * * @param string $agenda The agenda of the vote * @param string $user The use the vote is about * @param int $votelength The length of time for the vote to last * @param string $submitteruid The user ID of the individual who submitted the proposal * * @return void */ function add_tu_proposal($agenda, $user, $votelength, $quorum, $submitteruid) { $dbh = DB::connect(); $q = "SELECT COUNT(*) FROM Users WHERE AccountTypeID = 2"; $result = $dbh->query($q); $row = $result->fetch(PDO::FETCH_NUM); $active_tus = $row[0]; $q = "INSERT INTO TU_VoteInfo (Agenda, User, Submitted, End, Quorum, "; $q.= "SubmitterID, ActiveTUs) VALUES "; $q.= "(" . $dbh->quote($agenda) . ", " . $dbh->quote($user) . ", "; $q.= "UNIX_TIMESTAMP(), UNIX_TIMESTAMP() + " . $dbh->quote($votelength); $q.= ", " . $dbh->quote($quorum) . ", " . $submitteruid . ", "; $q.= $active_tus . ")"; $result = $dbh->exec($q); } /** * Add a reset key to the database for a specified user * * @param string $resetkey A password reset key to be stored in database * @param string $uid The user ID to store the reset key for * * @return void */ function create_resetkey($resetkey, $uid) { $dbh = DB::connect(); $q = "UPDATE Users "; $q.= "SET ResetKey = '" . $resetkey . "' "; $q.= "WHERE ID = " . $uid; $dbh->exec($q); } /** * Send a reset key to a specific e-mail address * * @param string $email E-mail address of the user resetting their password * @param string $subject Subject of the email * @param string $body Body of the email * * @return void */ function send_resetkey($email, $subject, $body) { global $AUR_LOCATION; $uid = uid_from_email($email); if ($uid == null) { return; } /* We (ab)use new_sid() to get a random 32 characters long string. */ $resetkey = new_sid(); create_resetkey($resetkey, $uid); /* Send e-mail with confirmation link. */ $body = wordwrap($body, 70); $body .= "\n\n". "{$AUR_LOCATION}/" . get_uri('/passreset/') . "?". "resetkey={$resetkey}"; $headers = "MIME-Version: 1.0\r\n" . "Content-type: text/plain; charset=UTF-8\r\n" . "Reply-to: noreply@aur.archlinux.org\r\n" . "From: notify@aur.achlinux.org\r\n" . "X-Mailer: PHP\r\n" . "X-MimeOLE: Produced By AUR"; @mail($email, $subject, $body, $headers); } /** * Change a user's password in the database if reset key and e-mail are correct * * @param string $hash New MD5 hash of a user's password * @param string $salt New salt for the user's password * @param string $resetkey Code e-mailed to a user to reset a password * @param string $email E-mail address of the user resetting their password * * @return string|void Redirect page if successful, otherwise return error message */ function password_reset($hash, $salt, $resetkey, $email) { $dbh = DB::connect(); $q = "UPDATE Users "; $q.= "SET Passwd = '$hash', "; $q.= "Salt = '$salt', "; $q.= "ResetKey = '' "; $q.= "WHERE ResetKey != '' "; $q.= "AND ResetKey = " . $dbh->quote($resetkey) . " "; $q.= "AND Email = " . $dbh->quote($email); $result = $dbh->exec($q); if (!$result) { $error = __('Invalid e-mail and reset key combination.'); return $error; } else { header('Location: ' . get_uri('/passreset/') . '?step=complete'); exit(); } } /** * Determine if the password is longer than the minimum length * * @param string $passwd The password to check * * @return bool True if longer than minimum length, otherwise false */ function good_passwd($passwd) { if ( strlen($passwd) >= PASSWD_MIN_LEN ) { return true; } return false; } /** * Determine if the password is correct and salt it if it hasn't been already * * @param string $userID The user ID to check the password against * @param string $passwd The password the visitor sent * * @return bool True if password was correct and properly salted, otherwise false */ function valid_passwd($userID, $passwd) { $dbh = DB::connect(); if ($passwd == "") { return false; } /* Get salt for this user. */ $salt = get_salt($userID); if ($salt) { $q = "SELECT ID FROM Users "; $q.= "WHERE ID = " . $userID . " "; $q.= "AND Passwd = " . $dbh->quote(salted_hash($passwd, $salt)); $result = $dbh->query($q); if (!$result) { return false; } $row = $result->fetch(PDO::FETCH_NUM); return ($row[0] > 0); } else { /* Check password without using salt. */ $q = "SELECT ID FROM Users "; $q.= "WHERE ID = " . $userID . " "; $q.= "AND Passwd = " . $dbh->quote(md5($passwd)); $result = $dbh->query($q); if (!$result) { return false; } $row = $result->fetch(PDO::FETCH_NUM); if (!$row[0]) { return false; } /* Password correct, but salt it first! */ if (!save_salt($userID, $passwd)) { trigger_error("Unable to salt user's password;" . " ID " . $userID, E_USER_WARNING); return false; } return true; } } /** * Determine if a user's password is empty * * @param string $uid The user ID to check for an empty password * * @return bool True if the user's password is empty, otherwise false */ function passwd_is_empty($uid) { $dbh = DB::connect(); $q = "SELECT * FROM Users WHERE ID = " . $dbh->quote($uid) . " "; $q .= "AND Passwd = " . $dbh->quote(''); $result = $dbh->query($q); if ($result->fetchColumn()) { return true; } else { return false; } } /** * Determine if the PGP key fingerprint is valid (must be 40 hexadecimal digits) * * @param string $fingerprint PGP fingerprint to check if valid * * @return bool True if the fingerprint is 40 hexadecimal digits, otherwise false */ function valid_pgp_fingerprint($fingerprint) { $fingerprint = str_replace(" ", "", $fingerprint); return (strlen($fingerprint) == 40 && ctype_xdigit($fingerprint)); } /** * Determine if the user account has been suspended * * @param string $id The ID of user to check if suspended * * @return bool True if the user is suspended, otherwise false */ function user_suspended($id) { $dbh = DB::connect(); if (!$id) { return false; } $q = "SELECT Suspended FROM Users WHERE ID = " . $id; $result = $dbh->query($q); if ($result) { $row = $result->fetch(PDO::FETCH_NUM); if ($row[0]) { return true; } } return false; } /** * Delete a specified user account from the database * * @param int $id The user ID of the account to be deleted * * @return void */ function user_delete($id) { $dbh = DB::connect(); $q = "DELETE FROM Users WHERE ID = " . $id; $dbh->query($q); return; } /** * Remove the session from the database on logout * * @param string $sid User's session ID * * @return void */ function delete_session_id($sid) { $dbh = DB::connect(); $q = "DELETE FROM Sessions WHERE SessionID = " . $dbh->quote($sid); $dbh->query($q); } /** * Remove all sessions belonging to a particular user * * @param int $uid ID of user to remove all sessions for * * @return void */ function delete_user_sessions($uid) { $dbh = DB::connect(); $q = "DELETE FROM Sessions WHERE UsersID = " . intval($uid); $dbh->exec($q); } /** * Remove sessions from the database that have exceed the timeout * * @global int $LOGIN_TIMEOUT Time until session expires * * @return void */ function clear_expired_sessions() { global $LOGIN_TIMEOUT; $dbh = DB::connect(); $q = "DELETE FROM Sessions WHERE LastUpdateTS < (UNIX_TIMESTAMP() - $LOGIN_TIMEOUT)"; $dbh->query($q); return; } /** * Get account details for a specific user * * @param string $uid The User ID of account to get information for * @param string $username The username of the account to get for * * @return array Account details for the specified user */ function account_details($uid, $username) { $dbh = DB::connect(); $q = "SELECT Users.*, AccountTypes.AccountType "; $q.= "FROM Users, AccountTypes "; $q.= "WHERE AccountTypes.ID = Users.AccountTypeID "; if (!empty($uid)) { $q.= "AND Users.ID = ".intval($uid); } else { $q.= "AND Users.Username = " . $dbh->quote($username); } $result = $dbh->query($q); if ($result) { $row = $result->fetch(PDO::FETCH_ASSOC); } return $row; } /** * Determine if a user has already voted on a specific proposal * * @param string $voteid The ID of the Trusted User proposal * @param string $uid The ID to check if the user already voted * * @return bool True if the user has already voted, otherwise false */ function tu_voted($voteid, $uid) { $dbh = DB::connect(); $q = "SELECT COUNT(*) FROM TU_Votes "; $q.= "WHERE VoteID = " . intval($voteid) . " AND UserID = " . intval($uid); $result = $dbh->query($q); if ($result->fetchColumn() > 0) { return true; } else { return false; } } /** * Get all current Trusted User proposals from the database * * @param string $order Ascending or descending order for the proposal listing * * @return array The details for all current Trusted User proposals */ function current_proposal_list($order) { $dbh = DB::connect(); $q = "SELECT * FROM TU_VoteInfo WHERE End > " . time() . " ORDER BY Submitted " . $order; $result = $dbh->query($q); $details = array(); while ($row = $result->fetch(PDO::FETCH_ASSOC)) { $details[] = $row; } return $details; } /** * Get a subset of all past Trusted User proposals from the database * * @param string $order Ascending or descending order for the proposal listing * @param string $lim The number of proposals to list with the offset * * @return array The details for the subset of past Trusted User proposals */ function past_proposal_list($order, $lim) { $dbh = DB::connect(); $q = "SELECT * FROM TU_VoteInfo WHERE End < " . time() . " ORDER BY Submitted " . $order . $lim; $result = $dbh->query($q); $details = array(); while ($row = $result->fetch(PDO::FETCH_ASSOC)) { $details[] = $row; } return $details; } /** * Get the vote ID of the last vote of all Trusted Users * * @return array The vote ID of the last vote of each Trusted User */ function last_votes_list() { $dbh = DB::connect(); $q = "SELECT UserID, MAX(VoteID) AS LastVote FROM TU_Votes, "; $q .= "TU_VoteInfo, Users WHERE TU_VoteInfo.ID = TU_Votes.VoteID AND "; $q .= "TU_VoteInfo.End < UNIX_TIMESTAMP() AND "; $q .= "Users.ID = TU_Votes.UserID AND Users.AccountTypeID = 2 "; $q .= "GROUP BY UserID ORDER BY LastVote DESC, UserName ASC"; $result = $dbh->query($q); $details = array(); while ($row = $result->fetch(PDO::FETCH_ASSOC)) { $details[] = $row; } return $details; } /** * Determine the total number of Trusted User proposals * * @return string The total number of Trusted User proposals */ function proposal_count() { $dbh = DB::connect(); $q = "SELECT COUNT(*) FROM TU_VoteInfo"; $result = $dbh->query($q); $row = $result->fetch(PDO::FETCH_NUM); return $row[0]; } /** * Get all details related to a specific vote from the database * * @param string $voteid The ID of the Trusted User proposal * * @return array All stored details for a specific vote */ function vote_details($voteid) { $dbh = DB::connect(); $q = "SELECT * FROM TU_VoteInfo "; $q.= "WHERE ID = " . intval($voteid); $result = $dbh->query($q); $row = $result->fetch(PDO::FETCH_ASSOC); return $row; } /** * Get an alphabetical list of users who voted for a proposal with HTML links * * @param string $voteid The ID of the Trusted User proposal * * @return array All users who voted for a specific proposal */ function voter_list($voteid) { $dbh = DB::connect(); $whovoted = array(); $q = "SELECT tv.UserID,U.Username "; $q.= "FROM TU_Votes tv, Users U "; $q.= "WHERE tv.VoteID = " . intval($voteid); $q.= " AND tv.UserID = U.ID "; $q.= "ORDER BY Username"; $result = $dbh->query($q); if ($result) { while ($row = $result->fetch(PDO::FETCH_ASSOC)) { $whovoted[] = $row['Username']; } } return $whovoted; } /** * Cast a vote for a specific user proposal * * @param string $voteid The ID of the proposal being voted on * @param string $uid The user ID of the individual voting * @param string $vote Vote position, either "Yes", "No", or "Abstain" * @param int $newtotal The total number of votes after the user has voted * * @return void */ function cast_proposal_vote($voteid, $uid, $vote, $newtotal) { $dbh = DB::connect(); $q = "UPDATE TU_VoteInfo SET " . $vote . " = (" . $newtotal . ") WHERE ID = " . $voteid; $result = $dbh->exec($q); $q = "INSERT INTO TU_Votes (VoteID, UserID) VALUES (" . intval($voteid) . ", " . intval($uid) . ")"; $result = $dbh->exec($q); } /** * Verify a user has the proper permissions to edit an account * * @param array $acctinfo User account information for edited account * * @return bool True if permission to edit the account, otherwise false */ function can_edit_account($acctinfo) { if ($acctinfo['AccountType'] == 'Developer' || $acctinfo['AccountType'] == 'Trusted User & Developer') { return has_credential(CRED_ACCOUNT_EDIT_DEV); } $uid = uid_from_sid($_COOKIE['AURSID']); return has_credential(CRED_ACCOUNT_EDIT, array($uid)); }