aurweb/web/lib/aur.inc
2006-08-01 05:50:48 +00:00

573 lines
15 KiB
PHP
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<?
header('Content-Type: text/html; charset=utf-8');
include_once("config.inc");
include_once("aur_po.inc");
# TODO do we need to set the domain on cookies? I seem to remember some
# security concerns about not using domains - but it's not like
# we really care if another site can see what language/SID a user
# is using...
#
# Define global variables
#
$LOGIN_TIMEOUT = 1800; # number of idle seconds before timeout
$SUPPORTED_LANGS = array( # what languages we have translations for
"en" => "English",
"pl" => "Polski",
"it" => "Italiano",
"ca" => "Català",
"pt" => "Português",
# Eventually we will comment these in, when they are ready - PJM - 4/2005
"es" => "Español",
"de" => "Deutsch",
"ru" => "РÑÂÑÑÂкий",
# "fr" => "Français",
);
# debugging variables
#
$QBUG = 1; # toggle query logging to /var/tmp/aurq.log
$DBUG = 1; # use dbug($msg) to log to /var/tmp/aurd.log
# return an array of info for each Trusted user
#
function getTrustedUsers() {
$tus = array();
$dbh = db_connect();
$q = "SELECT * FROM Users WHERE AccountTypeID = 2 ";
$q.= "ORDER BY Username ASC";
$result = db_query($q, $dbh);
if ($result) {
while ($row = mysql_fetch_assoc($result)) {
$tus[$row["ID"]] = $row;
}
}
return $tus;
}
# return an array of info for each Developer
#
function getDevelopers() {
$devs = array();
$dbh = db_connect();
$q = "SELECT * FROM Users WHERE AccountTypeID = 3 ";
$q.= "ORDER BY Username ASC";
$result = db_query($q, $dbh);
if ($result) {
while ($row = mysql_fetch_assoc($result)) {
$devs[$row["ID"]] = $row;
}
}
return $devs;
}
# return an array of info for each user
function getUsers() {
$users = array();
$dbh = db_connect();
$q = "SELECT * FROM Users ORDER BY Username ASC";
$result = db_query($q, $dbh);
if ($result) {
while ($row = mysql_fetch_assoc($result)) {
$users[$row["ID"]] = $row;
}
}
return $users;
}
# see if the visitor is already logged in
#
function check_sid() {
global $_COOKIE;
global $LOGIN_TIMEOUT;
if ($_COOKIE["AURSID"]) {
$failed = 0;
# the visitor is logged in, try and update the session
#
$dbh = db_connect();
$q = "SELECT LastUpdateTS, UNIX_TIMESTAMP() FROM Sessions ";
$q.= "WHERE SessionID = '" . mysql_escape_string($_COOKIE["AURSID"]) . "'";
$result = db_query($q, $dbh);
if (!$result) {
# Invalid SessionID - hacker alert!
#
$failed = 1;
} else {
$row = mysql_fetch_row($result);
if ($row[0] + $LOGIN_TIMEOUT <= $row[1]) {
dbug("login timeout reached");
$failed = 2;
}
}
if ($failed == 1) {
# clear out the hacker's cookie, and send them to a naughty page
#
setcookie("AURSID", "", time() - (60*60*24*30), "/");
header("Location: /hacker.php");
} elseif ($failed == 2) {
# visitor's session id either doesn't exist, or the timeout
# was reached and they must login again, send them back to
# the main page where they can log in again.
#
$q = "DELETE FROM Sessions WHERE SessionID = '";
$q.= mysql_escape_string($_COOKIE["AURSID"]) . "'";
db_query($q, $dbh);
setcookie("AURSID", "", time() - (60*60*24*30), "/");
header("Location: /timeout.php");
} else {
# still logged in and haven't reached the timeout, go ahead
# and update the idle timestamp
#
$q = "UPDATE Sessions SET LastUpdateTS = UNIX_TIMESTAMP() ";
$q.= "WHERE SessionID = '".mysql_escape_string($_COOKIE["AURSID"])."'";
db_query($q, $dbh);
}
}
return;
}
# verify that an email address looks like it is legitimate
#
function valid_email($addy) {
return eregi("^[a-z0-9\._-]+@+[a-z0-9\._-]+\.+[a-z]{2,4}$", $addy);
}
# a new seed value for mt_srand()
#
function make_seed() {
list($usec, $sec) = explode(' ', microtime());
return (float) $sec + ((float) $usec * 10000);
}
# generate a (hopefully) unique session id
#
function new_sid() {
mt_srand(make_seed());
$ts = time();
$pid = getmypid();
$rand_num = mt_rand();
mt_srand(make_seed());
$rand_str = substr(md5(mt_rand()),2, 20);
$id = $rand_str . strtolower(md5($ts.$pid)) . $rand_num;
return strtoupper(md5($id));
}
# obtain the username if given their Users.ID
#
function username_from_id($id="") {
if (!$id) {
return "";
}
$dbh = db_connect();
$q = "SELECT Username FROM Users WHERE ID = " . mysql_escape_string($id);
$result = db_query($q, $dbh);
if (!$result) {
return "None";
}
$row = mysql_fetch_row($result);
return $row[0];
}
# obtain the username if given their current SID
#
function username_from_sid($sid="") {
if (!$sid) {
return "";
}
$dbh = db_connect();
$q = "SELECT Username ";
$q.= "FROM Users, Sessions ";
$q.= "WHERE Users.ID = Sessions.UsersID ";
$q.= "AND Sessions.SessionID = '" . mysql_escape_string($sid) . "'";
$result = db_query($q, $dbh);
if (!$result) {
return "";
}
$row = mysql_fetch_row($result);
return $row[0];
}
# obtain the email address if given their current SID
#
function email_from_sid($sid="") {
if (!$sid) {
return "";
}
$dbh = db_connect();
$q = "SELECT Email ";
$q.= "FROM Users, Sessions ";
$q.= "WHERE Users.ID = Sessions.UsersID ";
$q.= "AND Sessions.SessionID = '" . mysql_escape_string($sid) . "'";
$result = db_query($q, $dbh);
if (!$result) {
return "";
}
$row = mysql_fetch_row($result);
return $row[0];
}
# obtain the account type if given their current SID
# Return either "", "User", "Trusted User", "Developer"
#
function account_from_sid($sid="") {
if (!$sid) {
return "";
}
$dbh = db_connect();
$q = "SELECT AccountType ";
$q.= "FROM Users, AccountTypes, Sessions ";
$q.= "WHERE Users.ID = Sessions.UsersID ";
$q.= "AND AccountTypes.ID = Users.AccountTypeID ";
$q.= "AND Sessions.SessionID = '" . mysql_escape_string($sid) . "'";
$result = db_query($q, $dbh);
if (!$result) {
return "";
}
$row = mysql_fetch_row($result);
return $row[0];
}
# obtain the Users.ID if given their current SID
#
function uid_from_sid($sid="") {
if (!$sid) {
return "";
}
$dbh = db_connect();
$q = "SELECT Users.ID ";
$q.= "FROM Users, Sessions ";
$q.= "WHERE Users.ID = Sessions.UsersID ";
$q.= "AND Sessions.SessionID = '" . mysql_escape_string($sid) . "'";
$result = db_query($q, $dbh);
if (!$result) {
return 0;
}
$row = mysql_fetch_row($result);
return $row[0];
}
# connect to the database
#
function db_connect() {
global $AUR_db_host;
global $AUR_db_name;
global $AUR_db_user;
global $AUR_db_pass;
$handle = mysql_pconnect($AUR_db_host, $AUR_db_user, $AUR_db_pass);
if (!$handle) {
die("Error connecting to AUR database: " . mysql_error());
}
mysql_select_db($AUR_db_name, $handle) or
die("Error selecting AUR database: " . mysql_error());
return $handle;
}
# wrapper function around db_query in case we want to put
# query logging/debuggin in.
#
function db_query($query="", $db_handle="") {
global $QBUG;
if (!$query) {
return FALSE;
}
if (!$db_handle) {
$db_handle = db_connect();
}
if ($QBUG) {
$fp = fopen("/var/tmp/aurq.log", "a");
fwrite($fp, $query . "\n");
fclose($fp);
}
$result = @mysql_query($query, $db_handle);
return $result;
}
# set up the visitor's language
#
function set_lang() {
global $_REQUEST;
global $_COOKIE;
global $LANG;
global $SUPPORTED_LANGS;
$update_cookie = 0;
if ($_REQUEST['setlang']) {
# visitor is requesting a language change
#
$LANG = $_REQUEST['setlang'];
$update_cookie = 1;
} elseif ($_COOKIE['AURLANG']) {
# If a cookie is set, use that
#
$LANG = $_COOKIE['AURLANG'];
} elseif ($_COOKIE["AURSID"]) {
$dbh = db_connect();
$q = "SELECT LangPreference FROM Users, Sessions ";
$q.= "WHERE Users.ID = Sessions.UsersID ";
$q.= "AND Sessions.SessionID = '";
$q.= mysql_escape_string($_COOKIE["AURSID"])."'";
$result = db_query($q, $dbh);
if (!$result) {
$LANG = "en";
} else {
$row = mysql_fetch_array($result);
$LANG = $row[0];
}
$update_cookie = 1;
} else {
$LANG = "en";
}
if (!array_key_exists($LANG, $SUPPORTED_LANGS)) {
$LANG = "en"; # default to English
}
if ($update_cookie) {
setcookie("AURLANG", $LANG, 0, "/");
}
return;
}
# common header
#
function html_header() {
global $_SERVER;
global $_COOKIE;
global $LANG;
print "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n";
print "<!DOCTYPE html PUBLIC \"-//W3C//DTD XHTML 1.0 Strict//EN\"";
print " \"http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd\">\n";
print "<html xmlns=\"http://www.w3.org/1999/xhtml\"";
print " xml:lang=\"".$LANG."\" lang=\"".$LANG."\">\n";
print "<head>\n";
print "<title>AUR (".$LANG.")</title>\n";
print "<link rel='stylesheet' type='text/css' href='/css/fonts.css'/>\n";
print "<link rel='stylesheet' type='text/css' href='/css/containers.css'/>\n";
print "<link rel='shortcut icon' href='/images/favicon.ico'/>\n";
print "<link rel='alternate' type='application/rss+xml' title='Newest Packages RSS' href='/rss2.php' />\n";
print "<meta http-equiv=\"Content-Type\"";
print " content=\"text/html; charset=UTF-8\" />\n";
print "</head>\n";
print "<body bgcolor='white'>\n";
print "<table cellspacing='0' ";
print "style='background-color: #000; width: 100%;'>\n";
print " <tr>\n";
print " <td class='preHeader'><span class='preHeader'>";
print __("%s: %sAn ArchLinux project%s", array("AUR", "<a href=\"http://www.archlinux.org\">", "</a>"));
print "</span></td>\n";
print " </tr>\n";
print " <tr>\n";
print " <td class='headerFill'>\n";
print " <table width='100%'>\n";
print " <tr>\n";
print " <td class='headerDisplay'><a href='/index.php'>";
# XXX Can I scale a PNG like this?
#
print "<img src='/images/AUR-logo-80.png' width='85' height='45' ";
print "alt='AUR' border='0' /></a></td>\n";
print " <td class='headerDisplay' valign='top' align='right'>";
print "<span class='preHeader'>ArchLinux User-community Repository</span><br />";
# XXX CSS help - a:link, a:visited, etc are defined, but I don't want to
# use the defaults. Is this the way to override them?
#
print "<a href='".$_SERVER["PHP_SELF"]."?setlang=en'><span class='sideBarSmallHeader'>English</span></a> ";
print "<a href='".$_SERVER["PHP_SELF"]."?setlang=pl'><span class='sideBarSmallHeader'>Polski</span></a> ";
print "<a href='".$_SERVER["PHP_SELF"]."?setlang=it'><span class='sideBarSmallHeader'>Italiano</span></a> ";
print "<a href='".$_SERVER["PHP_SELF"]."?setlang=ca'><span class='sideBarSmallHeader'>Català</span></a> ";
print "<a href='".$_SERVER["PHP_SELF"]."?setlang=pt'><span class='sideBarSmallHeader'>Português</span></a> ";
print "<a href='".$_SERVER["PHP_SELF"]."?setlang=es'><span class='sideBarSmallHeader'>Español</span></a> ";
print "<a href='".$_SERVER["PHP_SELF"]."?setlang=de'><span class='sideBarSmallHeader'>Deutsch</span></a> ";
#print "<a href='".$_SERVER["PHP_SELF"]."?setlang=fr'><span class='sideBarSmallHeader'>Français</span></a>";
print "<a href='".$_SERVER["PHP_SELF"]."?setlang=ru'><span class='sideBarSmallHeader'>РÑÂÑÑÂкий</span></a>";
print " </td>\n";
print " </tr>\n";
print " </table>\n";
print " </td>\n";
print " </tr>\n";
# Menu items
#
print " <tr>\n";
print " <td class='mainLinks' align='center'>";
print " <span class='f2'><span class='black'>.:</span>";
print " <a href='/index.php'>".__("Home")."</a> ";
print " <span class='black'> - </span> ";
print " <a href='/account.php'>".__("Accounts")."</a> ";
print " <span class='black'> - </span> ";
print " <a href='/packages.php'>".__("Packages")."</a> ";
if ($_COOKIE["AURSID"]) {
# Only display these items if the visitor is logged in. This should
# be a safe check because check_sid() has been called prior to
# html_header().
#
print " <span class='black'> - </span> ";
print " <a href='/pkgsubmit.php'>".__("Submit")."</a> ";
}
print " <span class='black'> - </span> ";
print " <a href='http://bugs.archlinux.org/index.php?tasks=all&project=2'>".__("Bugs")."</a> ";
print " <span class='black'> - </span> ";
print " <a href='http://www.archlinux.org/mailman/listinfo/tur-users'>".__("Discussion")."</a> ";
if ($_COOKIE["AURSID"]) {
# This is a usability change, so we can go to My Packages page
# with just one click
# Added by: dsa <dsandrade@gmail.com>
print " <span class='black'> - </span> ";
print " <a href='/packages.php?do_MyPackages=1'>".__("My Packages")."</a> ";
print " <span class='black'> - </span> ";
print " <a href='/logout.php'>".__("Logout")."</a> ";
}
print " <span class='black'>:.</span></span>";
print " </td>";
print " </tr>";
print " <tr>\n";
print " <td class='contentDisplay'>\n";
print " &nbsp;<br />\n";
print "<!-- Start of main content -->\n\n";
return;
}
# common footer
#
function html_footer($ver="") {
print "\n\n<!-- End of main content -->\n";
print " <br />\n";
print " </td>\n";
print " </tr>\n";
print "</table>\n";
if ($ver) {
print "<p>\n";
print "<table border='0' cellpadding='0' cellspacing='0' width='97%'>\n";
print "<tr><td align='right'><span class='fix'>".$ver."</span></td></tr>\n";
print "</table>\n";
print "</p>\n";
}
print "<br />\n";
print "</body>\n</html>";
return;
}
# debug logging
#
function dbug($msg) {
$fp = fopen("/var/tmp/aurd.log", "a");
fwrite($fp, $msg . "\n");
fclose($fp);
return;
}
# check to see if the user can overwrite an existing package
#
function can_overwrite_pkg($name="", $sid="") {
if (!$name || !$sid) {return 0;}
$dbh = db_connect();
$q = "SELECT SubmitterUID, MaintainerUID, AURMaintainerUID ";
$q.= "FROM Packages WHERE Name = '".mysql_escape_string($name)."'";
$result = db_query($q, $dbh);
if (!$result) {return 0;}
$row = mysql_fetch_row($result);
$my_uid = uid_from_sid($sid);
# user is a dev and maintains the package
#
if ($my_uid == $row[2]) {return 1;}
# user is a TU and there is no dev
#
if (!$row[2] && $my_uid == $row[1]) {return 1;}
# user is a user and there is no TU or dev
#
if (!$row[2] && !$row[1] && $my_uid == $row[0]) {return 1;}
return 0;
}
# convert an ini_get number to a real integer - stupid PHP!
#
function initeger($inival="0", $isbytes=1) {
$last_char = strtolower(substr($inival, -1));
if ($isbytes) {
switch ($last_char) {
case 't': $multiplier = 1024 * 1024 * 1024; break;
case 'm': $multiplier = 1024 * 1024; break;
case 'k': $multiplier = 1024; break;
default: $multiplier = 1; break;
}
} else {
switch ($last_char) {
case 't': $multiplier = 1000 * 1000 * 1000; break;
case 'm': $multiplier = 1000 * 1000; break;
case 'k': $multiplier = 1000; break;
default: $multiplier = 1; break;
}
}
return intval($inival) * $multiplier;
}
# recursive delete directory
#
function rm_rf($dirname="") {
$d = dir($dirname);
while ($f = $d->read()) {
if ($f != "." && $f != "..") {
if (is_dir($dirname."/".$f)) {
rm_rf($dirname."/".$f);
}
if (is_file($dirname."/".$f) || is_link($dirname."/".$f)) {
unlink($dirname."/".$f);
}
}
}
$d->close();
rmdir($dirname);
return;
}
# obtain the uid given a Users.Username
#
function uid_from_username($username="")
{
if (!$username) {
return "";
}
$dbh = db_connect();
$q = "SELECT ID FROM Users WHERE Username = '".mysql_escape_string($username)
."'";
$result = db_query($q, $dbh);
if (!$result) {
return "None";
}
$row = mysql_fetch_row($result);
return $row[0];
}
# vim: ts=2 sw=2 noet ft=php
?>