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finished the login/logout/session stuff

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This commit is contained in:
eric 2004-06-20 23:26:28 +00:00
parent 30aea4ec8c
commit 84e15d0463
14 changed files with 165 additions and 57 deletions
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95
web/lib/aur.inc
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@ -3,18 +3,24 @@ include_once("aur_po.inc");
# Define global variables
#
$PASS_PHRASE = "Dustyissocool";
$SUPPORTED_LANGS = array(
$LOGIN_TIMEOUT = 10; # number of idle seconds before timeout
$SUPPORTED_LANGS = array( # what languages we have translations for
"en" => 1, # English
"es" => 1, # Español
"de" => 1, # Deutsch
"fr" => 1, # Français
);
# debugging variables
#
$QBUG = 1; # toggle query logging to /tmp/aurq.log
$DBUG = 1; # use dbug($msg) to log to /tmp/aurd.log
# see if the visitor is already logged in
#
function check_sid() {
global $_COOKIE;
global $LOGIN_TIMEOUT;
if (isset($_COOKIE["AURSID"])) {
$failed = 0;
@ -23,28 +29,45 @@ function check_sid() {
$dbh = db_connect();
$q = "SELECT LastUpdateTS, UNIX_TIMESTAMP() FROM Sessions ";
$q.= "WHERE SessionID = '" . mysql_escape_string($_COOKIE["AURSID"]) . "'";
$result = mysql_query($q, $dbh);
$result = db_query($q, $dbh);
if (!$result) {
# Invalid SessionID - hacker alert!
#
$failed = 1;
} else {
if ($row[0] + 10 >= $row[1]) {
$failed = 1;
$row = mysql_fetch_row($result);
if ($row[0] + $LOGIN_TIMEOUT <= $row[1]) {
dbug("login timeout reached");
$failed = 2;
}
}
if ($failed) {
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"]) . "'";
mysql_query($q, $dbh);
db_query($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, $dbh);
}
}
return;
}
@ -81,7 +104,7 @@ function username_from_sid($sid="") {
$q.= "FROM Users, Sessions ";
$q.= "WHERE Users.ID = Sessions.UsersID ";
$q.= "AND SessionID = '" . mysql_escape_string($sid) . "'";
$result = mysql_query($q, $dbh);
$result = db_query($q, $dbh);
if (!$result) {
return "";
}
@ -111,6 +134,26 @@ function db_connect() {
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) {
$fp = fopen("/tmp/aurq.log", "a");
fwrite($fp, $query . "\n");
fclose($fp);
}
$result = mysql_query($query, $db_handle);
return $result;
}
# set up the visitor's language
#
function set_lang() {
@ -152,6 +195,7 @@ function set_lang() {
# common header
#
function html_header() {
global $_COOKIE;
print "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n";
print "<!DOCTYPE html PUBLIC \"-//W3C//DTD XHTML 1.0 Strict//EN\" \"http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd\">\n";
print "<html xmlns=\"http://www.w3.org/1999/xhtml\" xml:lang=\"en\" lang=\"en\">";
@ -205,14 +249,20 @@ function html_header() {
print " <a href='/account.php'>".__("Accounts")."</a> ";
print " <span class='black'> - </span> ";
print " <a href='/pkgsearch.php'>".__("Packages")."</a> ";
print " <span class='black'> - </span> ";
print " <a href='/pkgvote.php'>".__("Vote")."</a> ";
print " <span class='black'> - </span> ";
print " <a href='/pkgmgmnt.php'>".__("Manage")."</a> ";
print " <span class='black'> - </span> ";
print " <a href='/pkgsubmit.php'>".__("Submit")."</a> ";
print " <span class='black'> - </span> ";
print " <a href='/logout.php'>".__("Logout")."</a> ";
if (isset($_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='/pkgvote.php'>".__("Vote")."</a> ";
print " <span class='black'> - </span> ";
print " <a href='/pkgmgmnt.php'>".__("Manage")."</a> ";
print " <span class='black'> - </span> ";
print " <a href='/pkgsubmit.php'>".__("Submit")."</a> ";
print " <span class='black'> - </span> ";
print " <a href='/logout.php'>".__("Logout")."</a> ";
}
print " <span class='black'>:.</span></span>";
print " </td>";
print " </tr>";
@ -237,10 +287,19 @@ function html_footer($ver="") {
print "<tr><td align='right'><span class='fix'>".$ver."</span></td></tr>\n";
print "</table>\n";
}
print "<\p>\n";
print "</p>\n";
print "</body>\n</html>";
return;
}
# debug logging
#
function dbug($msg) {
$fp = fopen("/tmp/aurd.log", "a");
fwrite($fp, $msg . "\n");
fclose($fp);
return;
}
# vim: ts=2 sw=2 noet ft=php
?>