mirror of
https://gitlab.archlinux.org/archlinux/aurweb.git
synced 2025-02-03 10:43:03 +01:00
7bad8a8357
It was broken and hardly used. It's just as easy to add short print statements or logging if some debugging output is needed. Signed-off-by: Simo Leone <simo@archlinux.org>
473 lines
11 KiB
PHP
473 lines
11 KiB
PHP
<?php
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set_include_path(get_include_path() . PATH_SEPARATOR . '../template');
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header('Content-Type: text/html; charset=utf-8');
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header('Cache-Control: no-cache, must-revalidate');
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header('Expires: Tue, 11 Oct 1988 22:00:00 GMT'); // quite a special day
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header('Pragma: no-cache');
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include_once("version.inc");
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include_once("config.inc");
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include_once("aur_po.inc");
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// TODO: remove this, move translations over for login form
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include_once("index_po.inc");
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# TODO do we need to set the domain on cookies? I seem to remember some
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# security concerns about not using domains - but it's not like
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# we really care if another site can see what language/SID a user
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# is using...
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#
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# return an array of info for each Trusted user
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#
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function getTrustedUsers() {
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$tus = array();
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$dbh = db_connect();
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$q = "SELECT * FROM Users WHERE AccountTypeID = 2 ";
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$q.= "ORDER BY Username ASC";
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$result = db_query($q, $dbh);
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if ($result) {
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while ($row = mysql_fetch_assoc($result)) {
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$tus[$row["ID"]] = $row;
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}
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}
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return $tus;
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}
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# return an array of info for each Developer
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#
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function getDevelopers() {
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$devs = array();
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$dbh = db_connect();
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$q = "SELECT * FROM Users WHERE AccountTypeID = 3 ";
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$q.= "ORDER BY Username ASC";
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$result = db_query($q, $dbh);
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if ($result) {
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while ($row = mysql_fetch_assoc($result)) {
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$devs[$row["ID"]] = $row;
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}
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}
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return $devs;
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}
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# return an array of info for each user
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function getUsers() {
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$users = array();
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$dbh = db_connect();
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$q = "SELECT * FROM Users ORDER BY Username ASC";
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$result = db_query($q, $dbh);
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if ($result) {
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while ($row = mysql_fetch_assoc($result)) {
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$users[$row["ID"]] = $row;
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}
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}
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return $users;
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}
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# see if the visitor is already logged in
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#
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function check_sid() {
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global $_COOKIE;
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global $LOGIN_TIMEOUT;
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if ($_COOKIE["AURSID"]) {
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$failed = 0;
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# the visitor is logged in, try and update the session
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#
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$dbh = db_connect();
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$q = "SELECT LastUpdateTS, UNIX_TIMESTAMP() FROM Sessions ";
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$q.= "WHERE SessionID = '" . mysql_real_escape_string($_COOKIE["AURSID"]) . "'";
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$result = db_query($q, $dbh);
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if (mysql_num_rows($result) == 0) {
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# Invalid SessionID - hacker alert!
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#
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$failed = 1;
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} else {
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$row = mysql_fetch_row($result);
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if ($row[0] + $LOGIN_TIMEOUT <= $row[1]) {
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$failed = 2;
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}
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}
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if ($failed == 1) {
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# clear out the hacker's cookie, and send them to a naughty page
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# why do you have to be so harsh on these people!?
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#
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setcookie("AURSID", "", time() - (60*60*24*30), "/");
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unset($_COOKIE['AURSID']);
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} elseif ($failed == 2) {
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# visitor's session id either doesn't exist, or the timeout
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# was reached and they must login again, send them back to
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# the main page where they can log in again.
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#
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$q = "DELETE FROM Sessions WHERE SessionID = '";
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$q.= mysql_real_escape_string($_COOKIE["AURSID"]) . "'";
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db_query($q, $dbh);
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setcookie("AURSID", "", time() - (60*60*24*30), "/");
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unset($_COOKIE['AURSID']);
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} else {
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# still logged in and haven't reached the timeout, go ahead
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# and update the idle timestamp
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#
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$q = "UPDATE Sessions SET LastUpdateTS = UNIX_TIMESTAMP() ";
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$q.= "WHERE SessionID = '".mysql_real_escape_string($_COOKIE["AURSID"])."'";
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db_query($q, $dbh);
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}
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}
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return;
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}
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# verify that an email address looks like it is legitimate
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#
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function valid_email($addy) {
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return eregi("^[a-z0-9\._-]+@+[a-z0-9\._-]+\.+[a-z]{2,4}$", $addy);
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}
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# a new seed value for mt_srand()
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#
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function make_seed() {
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list($usec, $sec) = explode(' ', microtime());
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return (float) $sec + ((float) $usec * 10000);
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}
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# generate a (hopefully) unique session id
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#
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function new_sid() {
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mt_srand(make_seed());
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$ts = time();
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$pid = getmypid();
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$rand_num = mt_rand();
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mt_srand(make_seed());
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$rand_str = substr(md5(mt_rand()),2, 20);
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$id = $rand_str . strtolower(md5($ts.$pid)) . $rand_num;
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return strtoupper(md5($id));
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}
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# obtain the username if given their Users.ID
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#
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function username_from_id($id="") {
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if (!$id) {
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return "";
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}
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$dbh = db_connect();
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$q = "SELECT Username FROM Users WHERE ID = " . mysql_real_escape_string($id);
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$result = db_query($q, $dbh);
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if (!$result) {
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return "None";
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}
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$row = mysql_fetch_row($result);
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return $row[0];
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}
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# obtain the username if given their current SID
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#
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function username_from_sid($sid="") {
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if (!$sid) {
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return "";
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}
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$dbh = db_connect();
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$q = "SELECT Username ";
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$q.= "FROM Users, Sessions ";
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$q.= "WHERE Users.ID = Sessions.UsersID ";
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$q.= "AND Sessions.SessionID = '" . mysql_real_escape_string($sid) . "'";
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$result = db_query($q, $dbh);
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if (!$result) {
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return "";
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}
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$row = mysql_fetch_row($result);
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return $row[0];
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}
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# obtain the email address if given their current SID
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#
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function email_from_sid($sid="") {
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if (!$sid) {
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return "";
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}
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$dbh = db_connect();
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$q = "SELECT Email ";
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$q.= "FROM Users, Sessions ";
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$q.= "WHERE Users.ID = Sessions.UsersID ";
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$q.= "AND Sessions.SessionID = '" . mysql_real_escape_string($sid) . "'";
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$result = db_query($q, $dbh);
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if (!$result) {
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return "";
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}
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$row = mysql_fetch_row($result);
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return $row[0];
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}
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# obtain the account type if given their current SID
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# Return either "", "User", "Trusted User", "Developer"
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#
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function account_from_sid($sid="") {
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if (!$sid) {
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return "";
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}
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$dbh = db_connect();
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$q = "SELECT AccountType ";
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$q.= "FROM Users, AccountTypes, Sessions ";
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$q.= "WHERE Users.ID = Sessions.UsersID ";
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$q.= "AND AccountTypes.ID = Users.AccountTypeID ";
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$q.= "AND Sessions.SessionID = '" . mysql_real_escape_string($sid) . "'";
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$result = db_query($q, $dbh);
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if (!$result) {
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return "";
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}
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$row = mysql_fetch_row($result);
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return $row[0];
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}
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# obtain the Users.ID if given their current SID
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#
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function uid_from_sid($sid="") {
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if (!$sid) {
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return "";
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}
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$dbh = db_connect();
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$q = "SELECT Users.ID ";
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$q.= "FROM Users, Sessions ";
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$q.= "WHERE Users.ID = Sessions.UsersID ";
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$q.= "AND Sessions.SessionID = '" . mysql_real_escape_string($sid) . "'";
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$result = db_query($q, $dbh);
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if (!$result) {
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return 0;
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}
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$row = mysql_fetch_row($result);
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return $row[0];
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}
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# connect to the database
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#
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function db_connect() {
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$handle = mysql_pconnect(AUR_db_host, AUR_db_user, AUR_db_pass);
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if (!$handle) {
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die("Error connecting to AUR database: " . mysql_error());
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}
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mysql_select_db(AUR_db_name, $handle) or
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die("Error selecting AUR database: " . mysql_error());
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return $handle;
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}
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# wrapper function around db_query in case we want to put
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# query logging/debuggin in.
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#
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function db_query($query="", $db_handle="") {
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if (!$query) {
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return FALSE;
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}
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if (!$db_handle) {
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$db_handle = db_connect();
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}
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$result = @mysql_query($query, $db_handle);
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return $result;
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}
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# set up the visitor's language
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#
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function set_lang() {
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global $_REQUEST;
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global $_COOKIE;
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global $LANG;
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global $SUPPORTED_LANGS;
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$update_cookie = 0;
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if ($_REQUEST['setlang']) {
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# visitor is requesting a language change
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#
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$LANG = $_REQUEST['setlang'];
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$update_cookie = 1;
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} elseif ($_COOKIE['AURLANG']) {
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# If a cookie is set, use that
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#
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$LANG = $_COOKIE['AURLANG'];
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} elseif ($_COOKIE["AURSID"]) {
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$dbh = db_connect();
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$q = "SELECT LangPreference FROM Users, Sessions ";
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$q.= "WHERE Users.ID = Sessions.UsersID ";
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$q.= "AND Sessions.SessionID = '";
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$q.= mysql_real_escape_string($_COOKIE["AURSID"])."'";
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$result = db_query($q, $dbh);
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if (!$result) {
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$LANG = "en";
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} else {
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$row = mysql_fetch_array($result);
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$LANG = $row[0];
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}
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$update_cookie = 1;
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} else {
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$LANG = "en";
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}
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if (!array_key_exists($LANG, $SUPPORTED_LANGS)) {
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$LANG = "en"; # default to English
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}
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if ($update_cookie) {
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setcookie("AURLANG", $LANG, 0, "/");
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}
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return;
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}
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# common header
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#
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function html_header($title="") {
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global $_SERVER;
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global $_COOKIE;
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global $_POST;
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global $LANG;
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global $SUPPORTED_LANGS;
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$login_error = "";
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if (isset($_POST["user"]) || isset($_POST["pass"])) {
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# Attempting to log in
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#
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if (!isset($_POST["user"]) || $_POST['user'] === "") {
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$login_error = __("You must supply a username.");
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}
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if ((!isset($_POST["pass"]) || $_POST['pass'] === "") && empty($login_error)) {
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$login_error = __("You must supply a password.");
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}
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if (!$login_error) {
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# Try and authenticate the user
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#
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#md5 hash it
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$_POST["pass"] = md5($_POST["pass"]);
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$dbh = db_connect();
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$q = "SELECT ID, Suspended FROM Users ";
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$q.= "WHERE Username = '" . mysql_real_escape_string($_POST["user"]) . "' ";
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$q.= "AND Passwd = '" . mysql_real_escape_string($_POST["pass"]) . "'";
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$result = db_query($q, $dbh);
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if (!$result) {
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$login_error = __("Error looking up username, %s.",
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array(htmlspecialchars($_POST["user"])));
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} else {
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$row = mysql_fetch_row($result);
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if (empty($row)) {
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$login_error = __("Incorrect password for username, %s.",
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array(htmlspecialchars($_POST["user"])));
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} elseif ($row[1]) {
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$login_error = __("Your account has been suspended.");
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}
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}
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if (!$login_error) {
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# Account looks good. Generate a SID and store it.
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#
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$logged_in = 0;
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$num_tries = 0;
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while (!$logged_in && $num_tries < 5) {
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$new_sid = new_sid();
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$q = "INSERT INTO Sessions (UsersID, SessionID, LastUpdateTS) ";
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$q.="VALUES (". $row[0]. ", '" . $new_sid . "', UNIX_TIMESTAMP())";
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$result = db_query($q, $dbh);
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# Query will fail if $new_sid is not unique
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#
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if ($result) {
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$logged_in = 1;
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break;
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}
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$num_tries++;
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}
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if ($logged_in) {
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# set our SID cookie
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#
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setcookie("AURSID", $new_sid, 0, "/");
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$_COOKIE['AURSID'] = $new_sid;
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} else {
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$login_error = __("Error trying to generate session id.");
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}
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}
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}
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}
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$title = htmlspecialchars($title, ENT_QUOTES);
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include('header.php');
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return;
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}
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# common footer
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#
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function html_footer($ver="") {
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include('footer.php');
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return;
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}
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# check to see if the user can submit a package
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#
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function can_submit_pkg($name="", $sid="") {
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if (!$name || !$sid) {return 0;}
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$dbh = db_connect();
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$q = "SELECT MaintainerUID ";
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$q.= "FROM Packages WHERE Name = '".mysql_real_escape_string($name)."'";
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$result = db_query($q, $dbh);
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if (mysql_num_rows($result) == 0) {return 1;}
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$row = mysql_fetch_row($result);
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$my_uid = uid_from_sid($sid);
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if ($row[0] == $my_uid) {
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return 1;
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}
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return 0;
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}
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# recursive delete directory
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#
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function rm_rf($dirname="") {
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$d = dir($dirname);
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while ($f = $d->read()) {
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if ($f != "." && $f != "..") {
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if (is_dir($dirname."/".$f)) {
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rm_rf($dirname."/".$f);
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}
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if (is_file($dirname."/".$f) || is_link($dirname."/".$f)) {
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unlink($dirname."/".$f);
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}
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}
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}
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$d->close();
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rmdir($dirname);
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return;
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}
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# obtain the uid given a Users.Username
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#
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function uid_from_username($username="")
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{
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if (!$username) {
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return "";
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}
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$dbh = db_connect();
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$q = "SELECT ID FROM Users WHERE Username = '".mysql_real_escape_string($username)
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."'";
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$result = db_query($q, $dbh);
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if (!$result) {
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return "None";
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}
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$row = mysql_fetch_row($result);
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return $row[0];
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}
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# vim: ts=2 sw=2 noet ft=php
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?>
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