mirror of
https://gitlab.archlinux.org/archlinux/aurweb.git
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00e4e0294f
As discussed on the mailing list, enable "secure" and "httponly" for session cookies to prevent them from being transferred over insecure connections. Signed-off-by: Lukas Fleischer <archlinux@cryptocrack.de>
847 lines
23 KiB
PHP
847 lines
23 KiB
PHP
<?php
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# Helper function- retrieve request param if available, "" otherwise
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function in_request($name) {
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if (isset($_REQUEST[$name])) {
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return $_REQUEST[$name];
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}
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return "";
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}
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# Display the standard Account form, pass in default values if any
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function display_account_form($UTYPE,$A,$U="",$T="",$S="",
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$E="",$P="",$C="",$R="",$L="",$I="",$UID=0) {
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# UTYPE: what user type the form is being displayed for
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# A: what "form" name to use
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# U: value to display for username
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# T: value to display for account type
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# S: value to display for account suspended
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# E: value to display for email address
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# P: password value
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# C: confirm password value
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# R: value to display for RealName
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# L: value to display for Language preference
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# I: value to display for IRC nick
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# N: new package notify value
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# UID: Users.ID value in case form is used for editing
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global $SUPPORTED_LANGS;
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print "<form action='account.php' method='post'>\n";
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print "<fieldset>";
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print "<input type='hidden' name='Action' value='".$A."' />\n";
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if ($UID) {
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print "<input type='hidden' name='ID' value='".$UID."' />\n";
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}
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print "</fieldset>";
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print "<table border='0' cellpadding='0' cellspacing='0' width='80%' style=\"margin:0 auto;\">\n";
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print "<tr><td colspan='2'> </td></tr>\n";
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print "<tr>";
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print "<td align='left'>".__("Username").":</td>";
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print "<td align='left'><input type='text' size='30' maxlength='64'";
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print " name='U' value='".htmlspecialchars($U,ENT_QUOTES)."' /> (".__("required").")</td>";
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print "</tr>\n";
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# Only TUs or Devs can promote/demote/suspend a user
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if ($UTYPE == "Trusted User" || $UTYPE == "Developer") {
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print "<tr>";
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print "<td align='left'>".__("Account Type").":</td>";
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print "<td align='left'><select name=T>\n";
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print "<option value='1'";
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$T == "User" ? print " selected>" : print ">";
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print __("Normal user")."\n";
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print "<option value='2'";
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$T == "Trusted User" ? print " selected>" : print ">";
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print __("Trusted user")."\n";
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# Only developers can make another account a developer
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if ($UTYPE == "Developer") {
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print "<option value='3'";
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$T == "Developer" ? print " selected>" : print ">";
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print __("Developer")."\n";
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}
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print "</select></td>";
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print "</tr>\n";
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print "<tr>";
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print "<td align='left'>".__("Account Suspended").":</td>";
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print "<td align='left'><input type='checkbox' name='S'";
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if ($S) {
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print " checked=\"checked\" />";
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} else {
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print " />";
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}
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print "</tr>\n";
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}
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print "<tr>";
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print "<td align='left'>".__("Email Address").":</td>";
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print "<td align='left'><input type='text' size='30' maxlength='64'";
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print " name='E' value='".htmlspecialchars($E,ENT_QUOTES)."' /> (".__("required").")</td>";
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print "</tr>\n";
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print "<tr>";
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print "<td align='left'>".__("Password").":</td>";
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print "<td align='left'><input type='password' size='30' maxlength='32'";
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print " name='P' value='".$P."' />";
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if ($A != "UpdateAccount") {
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print " (".__("required").")";
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}
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print "</td></tr>\n";
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print "<tr>";
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print "<td align='left'>".__("Re-type password").":</td>";
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print "<td align='left'><input type='password' size='30' maxlength='32'";
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print " name='C' value='".$C."' />";
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if ($A != "UpdateAccount") {
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print " (".__("required").")";
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}
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print "</td></tr>\n";
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print "<tr>";
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print "<td align='left'>".__("Real Name").":</td>";
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print "<td align='left'><input type='text' size='30' maxlength='32'";
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print " name='R' value='".htmlspecialchars($R,ENT_QUOTES)."' /></td>";
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print "</tr>\n";
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print "<tr>";
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print "<td align='left'>".__("IRC Nick").":</td>";
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print "<td align='left'><input type='text' size='30' maxlength='32'";
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print " name='I' value='".htmlspecialchars($I,ENT_QUOTES)."' /></td>";
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print "</tr>\n";
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print "<tr>";
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print "<td align='left'>".__("Language").":</td>";
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print "<td align='left'><select name=L>\n";
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reset($SUPPORTED_LANGS);
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while (list($code, $lang) = each($SUPPORTED_LANGS)) {
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if ($L == $code) {
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print "<option value=".$code." selected> ".$lang."\n";
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} else {
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print "<option value=".$code."> ".$lang."\n";
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}
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}
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print "</select></td>";
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print "</tr>\n";
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print "<tr><td colspan='2'> </td></tr>\n";
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print "<tr>";
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print "<td> </td>";
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print "<td align='left'>";
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if ($A == "UpdateAccount") {
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print "<input type='submit' class='button'";
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print " value='".__("Update")."' /> ";
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} else {
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print "<input type='submit' class='button'";
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print " value='".__("Create")."' /> ";
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}
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print "<input type='reset' class='button' value='".__("Reset")."' />";
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print "</td>";
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print "</tr>\n";
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print "</table>\n";
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print "</form>\n";
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return;
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} # function display_account_form()
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# process form input from a new/edit account form
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#
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function process_account_form($UTYPE,$TYPE,$A,$U="",$T="",$S="",$E="",
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$P="",$C="",$R="",$L="",$I="",$UID=0) {
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# UTYPE: The user's account type
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# TYPE: either "edit" or "new"
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# A: what parent "form" name to use
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# U: value to display for username
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# T: value to display for account type
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# S: value to display for account suspended
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# E: value to display for email address
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# P: password value
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# C: confirm password value
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# R: value to display for RealName
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# L: value to display for Language preference
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# I: value to display for IRC nick
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# N: new package notify value
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# UID: database Users.ID value
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# error check and process request for a new/modified account
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global $SUPPORTED_LANGS;
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if(isset($_COOKIE['AURSID'])) {
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$editor_user = uid_from_sid($_COOKIE['AURSID']);
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}
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else {
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$editor_user = null;
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}
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$dbh = db_connect();
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$error = "";
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if (empty($E) || empty($U)) {
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$error = __("Missing a required field.");
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}
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if ($TYPE == "new") {
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# they need password fields for this type of action
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#
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if (empty($P) || empty($C)) {
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$error = __("Missing a required field.");
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}
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} else {
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if (!$UID) {
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$error = __("Missing User ID");
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}
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}
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if (!$error && !valid_username($U) && !user_is_privileged($editor_user))
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$error = __("The username is invalid.") . "<ul>\n"
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."<li>" . __("It must be between %s and %s characters long",
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USERNAME_MIN_LEN, USERNAME_MAX_LEN )
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. "</li>"
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. "<li>" . __("Start and end with a letter or number") . "</li>"
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. "<li>" . __("Can contain only one period, underscore or hyphen.")
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. "</li>\n</ul>";
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if (!$error && $P && $C && ($P != $C)) {
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$error = __("Password fields do not match.");
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}
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if (!$error && $P != '' && !good_passwd($P))
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$error = __("Your password must be at least %s characters.",PASSWD_MIN_LEN);
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if (!$error && !valid_email($E)) {
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$error = __("The email address is invalid.");
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}
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if ($UTYPE == "Trusted User" && $T == 3) {
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$error = __("A Trusted User cannot assign Developer status.");
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}
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if (!$error && !array_key_exists($L, $SUPPORTED_LANGS)) {
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$error = __("Language is not currently supported.");
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}
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if (!$error) {
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# check to see if this username is available
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# NOTE: a race condition exists here if we care...
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#
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$q = "SELECT COUNT(*) AS CNT FROM Users ";
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$q.= "WHERE Username = '".mysql_real_escape_string($U)."'";
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if ($TYPE == "edit") {
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$q.= " AND ID != ".intval($UID);
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}
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$result = db_query($q, $dbh);
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if ($result) {
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$row = mysql_fetch_array($result);
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if ($row[0]) {
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$error = __("The username, %h%s%h, is already in use.",
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"<b>", htmlspecialchars($U,ENT_QUOTES), "</b>");
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}
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}
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}
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if (!$error) {
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# check to see if this email address is available
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# NOTE: a race condition exists here if we care...
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#
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$q = "SELECT COUNT(*) AS CNT FROM Users ";
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$q.= "WHERE Email = '".mysql_real_escape_string($E)."'";
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if ($TYPE == "edit") {
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$q.= " AND ID != ".intval($UID);
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}
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$result = db_query($q, $dbh);
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if ($result) {
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$row = mysql_fetch_array($result);
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if ($row[0]) {
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$error = __("The address, %h%s%h, is already in use.",
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"<b>", htmlspecialchars($E,ENT_QUOTES), "</b>");
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}
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}
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}
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if ($error) {
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print "<span class='error'>".$error."</span><br/>\n";
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display_account_form($UTYPE, $A, $U, $T, $S, $E, "", "",
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$R, $L, $I, $UID);
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} else {
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if ($TYPE == "new") {
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# no errors, go ahead and create the unprivileged user
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$salt = generate_salt();
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$P = salted_hash($P, $salt);
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$escaped = array_map('mysql_real_escape_string',
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array($U, $E, $P, $salt, $R, $L, $I));
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$q = "INSERT INTO Users (" .
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"AccountTypeID, Suspended, Username, Email, Passwd, Salt" .
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", RealName, LangPreference, IRCNick) " .
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"VALUES (1, 0, '" . implode("', '", $escaped) . "')";
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$result = db_query($q, $dbh);
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if (!$result) {
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print __("Error trying to create account, %h%s%h: %s.",
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"<b>", htmlspecialchars($U,ENT_QUOTES), "</b>", mysql_error($dbh));
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} else {
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# account created/modified, tell them so.
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#
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print __("The account, %h%s%h, has been successfully created.",
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"<b>", htmlspecialchars($U,ENT_QUOTES), "</b>");
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print "<p>\n";
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print __("Click on the Home link above to login.");
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print "</p>\n";
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}
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} else {
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# no errors, go ahead and modify the user account
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$q = "UPDATE Users SET ";
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$q.= "Username = '".mysql_real_escape_string($U)."'";
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if ($T) {
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$q.= ", AccountTypeID = ".intval($T);
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}
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if ($S) {
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$q.= ", Suspended = 1";
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} else {
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$q.= ", Suspended = 0";
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}
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$q.= ", Email = '".mysql_real_escape_string($E)."'";
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if ($P) {
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$salt = generate_salt();
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$hash = salted_hash($P, $salt);
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$q .= ", Passwd = '$hash', Salt = '$salt'";
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}
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$q.= ", RealName = '".mysql_real_escape_string($R)."'";
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$q.= ", LangPreference = '".mysql_real_escape_string($L)."'";
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$q.= ", IRCNick = '".mysql_real_escape_string($I)."'";
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$q.= " WHERE ID = ".intval($UID);
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$result = db_query($q, $dbh);
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if (!$result) {
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print __("Error trying to modify account, %h%s%h: %s.",
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"<b>", htmlspecialchars($U,ENT_QUOTES), "</b>", mysql_error($dbh));
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} else {
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print __("The account, %h%s%h, has been successfully modified.",
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"<b>", htmlspecialchars($U,ENT_QUOTES), "</b>");
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}
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}
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}
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return;
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}
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# search existing accounts
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#
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function search_accounts_form() {
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include("search_accounts_form.php");
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return;
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}
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# search results page
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#
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function search_results_page($UTYPE,$O=0,$SB="",$U="",$T="",
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$S="",$E="",$R="",$I="") {
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# UTYPE: what account type the user belongs to
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# O: what row offset we're at
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# SB: how to sort the results
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# U: value to display for username
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# T: value to display for account type
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# S: value to display for account suspended
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# E: value to display for email address
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# R: value to display for RealName
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# I: value to display for IRC nick
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$HITS_PER_PAGE = 50;
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if ($O) {
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$OFFSET = intval($O);
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} else {
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$OFFSET = 0;
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}
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if ($OFFSET < 0) {
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$OFFSET = 0;
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}
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$search_vars = array();
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$q = "SELECT Users.*, AccountTypes.AccountType ";
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$q.= "FROM Users, AccountTypes ";
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$q.= "WHERE AccountTypes.ID = Users.AccountTypeID ";
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if ($T == "u") {
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$q.= "AND AccountTypes.ID = 1 ";
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$search_vars[] = "T";
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} elseif ($T == "t") {
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$q.= "AND AccountTypes.ID = 2 ";
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$search_vars[] = "T";
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} elseif ($T == "d") {
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$q.= "AND AccountTypes.ID = 3 ";
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$search_vars[] = "T";
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}
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if ($S) {
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$q.= "AND Users.Suspended = 1 ";
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$search_vars[] = "S";
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}
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if ($U) {
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$q.= "AND Username LIKE '%".mysql_real_escape_string($U)."%' ";
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$search_vars[] = "U";
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}
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if ($E) {
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$q.= "AND Email LIKE '%".mysql_real_escape_string($E)."%' ";
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$search_vars[] = "E";
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}
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if ($R) {
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$q.= "AND RealName LIKE '%".mysql_real_escape_string($R)."%' ";
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$search_vars[] = "R";
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}
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if ($I) {
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$q.= "AND IRCNick LIKE '%".mysql_real_escape_string($I)."%' ";
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$search_vars[] = "I";
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}
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switch ($SB) {
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case 't':
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$q.= "ORDER BY AccountTypeID, Username ";
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break;
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case 'r':
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$q.= "ORDER BY RealName, AccountTypeID ";
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break;
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case 'i':
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$q.= "ORDER BY IRCNick, AccountTypeID ";
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break;
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case 'v':
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$q.= "ORDER BY LastVoted, Username ";
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break;
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default:
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$q.= "ORDER BY Username, AccountTypeID ";
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break;
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}
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$search_vars[] = "SB";
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$q.= "LIMIT " . $HITS_PER_PAGE . " OFFSET " . $OFFSET;
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$dbh = db_connect();
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$result = db_query($q, $dbh);
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if (!$result) {
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print __("No results matched your search criteria.");
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} else {
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$num_rows = mysql_num_rows($result);
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if ($num_rows) {
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print "<table border='0' cellpadding='0'";
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print " cellspacing='0' width='90%'";
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print " style=\"margin:0 auto\">\n";
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print "<tr>";
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print "<td colspan='2'>";
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print "<table border='0' cellpadding='0'";
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print " cellspacing='0' width='100%'>\n";
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print "<tr>";
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print "<th class='header'>";
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print "<span class='f2'>".__("Username")."</span></th>";
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print "<th class='header'>";
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print "<span class='f2'>".__("Type")."</span></th>";
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print "<th class='header'>";
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print "<span class='f2'>".__("Status")."</span></th>";
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print "<th class='header'>";
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print "<span class='f2'>".__("Real Name")."</span></th>";
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print "<th class='header'>";
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print "<span class='f2'>".__("IRC Nick")."</span></th>";
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print "<th class='header'>";
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print "<span class='f2'>".__("Last Voted")."</span></th>";
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print "<th class='header'>";
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print "<span class='f2'>".__("Edit Account")."</span></th>";
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print "</tr>\n";
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$i = 0;
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while ($row = mysql_fetch_assoc($result)) {
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if ($i % 2) {
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$c = "data1";
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} else {
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$c = "data2";
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}
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print "<tr>";
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print "<td class='".$c."'>";
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print "<span class='f5'><a href='packages.php?SeB=m&K=".$row["Username"]."'>".$row["Username"]."</a></span></td>";
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print "<td class='".$c."'>";
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print "<span class='f5'>".$row["AccountType"];
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print "</span></td>";
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print "<td class='".$c."'><span class='f5'>";
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if ($row["Suspended"]) {
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print __("Suspended");
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} else {
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print __("Active");
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}
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print "</span></td>";
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print "<td class='".$c."'><span class='f5'>";
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$row["RealName"] ? print htmlspecialchars($row["RealName"],ENT_QUOTES) : print " ";
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print "</span></td>";
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print "<td class='".$c."'><span class='f5'>";
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$row["IRCNick"] ? print htmlspecialchars($row["IRCNick"],ENT_QUOTES) : print " ";
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print "</span></td>";
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print "<td class='".$c."'><span class='f5'>";
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$row["LastVoted"]
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? print date("Ymd", $row["LastVoted"])
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: print __("Never");
|
|
print "</span></td>";
|
|
print "<td class='".$c."'><span class='f5'>";
|
|
if ($UTYPE == "Trusted User" && $row["AccountType"] == "Developer") {
|
|
# TUs can't edit devs
|
|
#
|
|
print " </span></td>";
|
|
} else {
|
|
$edit_url = "account.php?Action=DisplayAccount&ID=".$row["ID"];
|
|
print "<a href='".$edit_url . "'>";
|
|
print "Edit</a></span></td>";
|
|
}
|
|
print "</tr>\n";
|
|
$i++;
|
|
}
|
|
print "</table>\n";
|
|
print "</td></tr>\n";
|
|
|
|
print "<tr>";
|
|
print "<td align='left'>";
|
|
print "<form action='account.php' method='post'>\n";
|
|
print "<fieldset>";
|
|
print "<input type='hidden' name='Action' value='SearchAccounts' />\n";
|
|
print "<input type='hidden' name='O'";
|
|
print " value='".($OFFSET-$HITS_PER_PAGE)."' />\n";
|
|
reset($search_vars);
|
|
while (list($k, $ind) = each($search_vars)) {
|
|
print "<input type='hidden' name='".$ind."'";
|
|
print " value='".${$ind}."' />\n";
|
|
}
|
|
print "<input type='submit' class='button'";
|
|
print " value='<-- ".__("Less")."' />";
|
|
print "</fieldset>";
|
|
print "</form>\n";
|
|
print "</td>";
|
|
print "<td align='right'>";
|
|
print "<form action='account.php' method='post'>\n";
|
|
print "<fieldset>";
|
|
print "<input type='hidden' name='Action' value='SearchAccounts' />\n";
|
|
print "<input type='hidden' name='O'";
|
|
print " value='".($OFFSET+$HITS_PER_PAGE)."' />\n";
|
|
reset($search_vars);
|
|
while (list($k, $ind) = each($search_vars)) {
|
|
print "<input type='hidden' name='".$ind."'";
|
|
print " value='".${$ind}."' />\n";
|
|
}
|
|
print "<input type='submit' class='button'";
|
|
print " value='".__("More")." -->' />";
|
|
print "</fieldset>";
|
|
print "</form>\n";
|
|
print "</td>";
|
|
print "</tr>\n";
|
|
print "</table>\n";
|
|
} else {
|
|
print "<p style=\"text-align:center;\">\n";
|
|
print __("No more results to display.");
|
|
print "</p>\n";
|
|
}
|
|
}
|
|
return;
|
|
}
|
|
|
|
# Display non-editable account info
|
|
#
|
|
function display_account_info($U="", $T="", $E="", $R="", $I="") {
|
|
# U: value to display for username
|
|
# T: value to display for account type
|
|
# E: value to display for email address
|
|
# R: value to display for RealName
|
|
# I: value to display for IRC nick
|
|
|
|
global $SUPPORTED_LANGS;
|
|
|
|
print "<table border='0' cellpadding='0' cellspacing='0' width='33%' style=\"margin:0 auto;\">\n";
|
|
print " <tr>\n";
|
|
print " <td colspan='2'> </td>\n";
|
|
print " </tr>\n";
|
|
|
|
print " <tr>\n";
|
|
print " <td align='left'>".__("Username").":</td>\n";
|
|
print " <td align='left'>".$U."</td>\n";
|
|
print " </tr>\n";
|
|
|
|
print " <tr>\n";
|
|
print " <td align='left'>".__("Account Type").":</td>\n";
|
|
print " <td align='left'>";
|
|
if ($T == "User") {
|
|
print __("User");
|
|
} elseif ($T == "Trusted User") {
|
|
print __("Trusted User");
|
|
} elseif ($T == "Developer") {
|
|
print __("Developer");
|
|
}
|
|
print " </td>\n";
|
|
print " </tr>\n";
|
|
|
|
print " <tr>\n";
|
|
print " <td align='left'>".__("Email Address").":</td>\n";
|
|
print " <td align='left'><a href='mailto:".htmlspecialchars($E,ENT_QUOTES)."'>".htmlspecialchars($E,ENT_QUOTES)."</a></td>\n";
|
|
print " </tr>\n";
|
|
|
|
print " <tr>\n";
|
|
print " <td align='left'>".__("Real Name").":</td>\n";
|
|
print " <td align='left'>".htmlspecialchars($R,ENT_QUOTES)."</td>\n";
|
|
print " </tr>\n";
|
|
|
|
print " <tr>\n";
|
|
print " <td align='left'>".__("IRC Nick").":</td>\n";
|
|
print " <td align='left'>".htmlspecialchars($I,ENT_QUOTES)."</td>\n";
|
|
print " </tr>\n";
|
|
|
|
print " <tr>\n";
|
|
print " <td colspan='2'><a href='packages.php?K=".$U."&SeB=m'>".__("View this user's packages")."</a></td>\n";
|
|
print " </tr>\n";
|
|
|
|
print "</table>\n";
|
|
return;
|
|
}
|
|
|
|
/*
|
|
* Returns SID (Session ID) and error (error message) in an array
|
|
* SID of 0 means login failed.
|
|
*/
|
|
function try_login() {
|
|
global $MAX_SESSIONS_PER_USER, $PERSISTENT_COOKIE_TIMEOUT;
|
|
|
|
$login_error = "";
|
|
$new_sid = "";
|
|
$userID = null;
|
|
|
|
if ( isset($_REQUEST['user']) || isset($_REQUEST['passwd']) ) {
|
|
|
|
$userID = valid_user($_REQUEST['user']);
|
|
|
|
if ( user_suspended( $userID ) ) {
|
|
$login_error = "Account Suspended.";
|
|
}
|
|
elseif ( $userID && isset($_REQUEST['passwd'])
|
|
&& valid_passwd($userID, $_REQUEST['passwd']) ) {
|
|
|
|
$logged_in = 0;
|
|
$num_tries = 0;
|
|
|
|
# Account looks good. Generate a SID and store it.
|
|
|
|
$dbh = db_connect();
|
|
while (!$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 . " ";
|
|
$q.= "AND q.SessionID IS NULL;";
|
|
db_query($q, $dbh);
|
|
}
|
|
|
|
$new_sid = new_sid();
|
|
$q = "INSERT INTO Sessions (UsersID, SessionID, LastUpdateTS)"
|
|
." VALUES (" . $userID . ", '" . $new_sid . "', UNIX_TIMESTAMP())";
|
|
$result = db_query($q, $dbh);
|
|
|
|
# Query will fail if $new_sid is not unique
|
|
if ($result) {
|
|
$logged_in = 1;
|
|
break;
|
|
}
|
|
|
|
$num_tries++;
|
|
}
|
|
|
|
if ($logged_in) {
|
|
# set our 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'";
|
|
db_query($q, $dbh);
|
|
}
|
|
else
|
|
$cookie_time = 0;
|
|
|
|
setcookie("AURSID", $new_sid, $cookie_time, "/", null, !empty($_SERVER['HTTPS']), true);
|
|
header("Location: " . $_SERVER['PHP_SELF'].'?'.$_SERVER['QUERY_STRING']);
|
|
$login_error = "";
|
|
|
|
}
|
|
else {
|
|
$login_error = "Error trying to generate session id.";
|
|
}
|
|
}
|
|
else {
|
|
$login_error = __("Bad username or password.");
|
|
}
|
|
}
|
|
return array('SID' => $new_sid, 'error' => $login_error);
|
|
}
|
|
|
|
/*
|
|
* Only checks if the name itself is valid
|
|
* Longer or equal to USERNAME_MIN_LEN
|
|
* Shorter or equal to USERNAME_MAX_LEN
|
|
* Starts and ends with a letter or number
|
|
* Contains at most ONE dot, hyphen, or underscore
|
|
* Returns the username if it is valid
|
|
* Returns nothing if it isn't valid
|
|
*/
|
|
function valid_username( $user )
|
|
{
|
|
if (!empty($user)) {
|
|
|
|
#Is username at not too short or too long?
|
|
if ( strlen($user) >= USERNAME_MIN_LEN &&
|
|
strlen($user) <= USERNAME_MAX_LEN ) {
|
|
|
|
$user = strtolower($user);
|
|
# Does username:
|
|
# start and end with a letter or number
|
|
# contain only letters and numbers,
|
|
# and at most has one dash, period, or underscore
|
|
if ( preg_match("/^[a-z0-9]+[.\-_]?[a-z0-9]+$/", $user) ) {
|
|
#All is good return the username
|
|
return $user;
|
|
}
|
|
}
|
|
}
|
|
|
|
return;
|
|
}
|
|
|
|
/*
|
|
* Checks if the username is valid and if it exists in the database
|
|
* Returns the username ID or nothing
|
|
*/
|
|
function valid_user( $user )
|
|
{
|
|
/* if ( $user = valid_username($user) ) { */
|
|
if ( $user ) {
|
|
$dbh = db_connect();
|
|
$q = "SELECT ID FROM Users WHERE Username = '"
|
|
. mysql_real_escape_string($user). "'";
|
|
|
|
$result = db_query($q, $dbh);
|
|
# Is the username in the database?
|
|
if ($result) {
|
|
$row = mysql_fetch_row($result);
|
|
return $row[0];
|
|
}
|
|
}
|
|
return;
|
|
}
|
|
|
|
function good_passwd( $passwd )
|
|
{
|
|
if ( strlen($passwd) >= PASSWD_MIN_LEN ) {
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
/* Verifies that the password is correct for the userID specified.
|
|
* Returns true or false
|
|
*/
|
|
function valid_passwd( $userID, $passwd )
|
|
{
|
|
if ( strlen($passwd) > 0 ) {
|
|
$dbh = db_connect();
|
|
|
|
# get salt for this user
|
|
$salt = get_salt($userID);
|
|
if ($salt) {
|
|
# use salt
|
|
$passwd_q = "SELECT ID FROM Users" .
|
|
" WHERE ID = " . $userID . " AND Passwd = '" .
|
|
salted_hash($passwd, $salt) . "'";
|
|
$result = db_query($passwd_q, $dbh);
|
|
if ($result) {
|
|
$passwd_result = mysql_fetch_row($result);
|
|
if ($passwd_result[0]) {
|
|
return true;
|
|
}
|
|
}
|
|
} else {
|
|
# check without salt
|
|
$nosalt_q = "SELECT ID FROM Users".
|
|
" WHERE ID = " . $userID .
|
|
" AND Passwd = '" . md5($passwd) . "'";
|
|
$result = db_query($nosalt_q, $dbh);
|
|
if ($result) {
|
|
$nosalt_row = mysql_fetch_row($result);
|
|
if ($nosalt_row[0]) {
|
|
# password correct, but salt it first
|
|
if (!save_salt($userID, $passwd)) {
|
|
trigger_error("Unable to salt user's password;" .
|
|
" ID " . $userID, E_USER_WARNING);
|
|
return false;
|
|
}
|
|
return true;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
|
|
/*
|
|
* Is the user account suspended?
|
|
*/
|
|
function user_suspended( $id )
|
|
{
|
|
if (!$id) {
|
|
return false;
|
|
}
|
|
$dbh = db_connect();
|
|
$q = "SELECT Suspended FROM Users WHERE ID = " . $id;
|
|
$result = db_query($q, $dbh);
|
|
if ($result) {
|
|
$row = mysql_fetch_row($result);
|
|
if ($result[0] == 1 ) {
|
|
return true;
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
|
|
/*
|
|
* This should be expanded to return something
|
|
*/
|
|
function user_delete( $id )
|
|
{
|
|
$dbh = db_connect();
|
|
$q = "DELETE FROM Users WHERE ID = " . $id;
|
|
db_query($q, $dbh);
|
|
return;
|
|
}
|
|
|
|
/*
|
|
* A different way of determining a user's privileges
|
|
* rather than account_from_sid()
|
|
*/
|
|
function user_is_privileged( $id )
|
|
{
|
|
$dbh = db_connect();
|
|
$q = "SELECT AccountTypeID FROM Users WHERE ID = " . $id;
|
|
$result = db_query($q, $dbh);
|
|
if ($result) {
|
|
$row = mysql_fetch_row($result);
|
|
if( $result[0] > 1) {
|
|
return $result[0];
|
|
}
|
|
}
|
|
return 0;
|
|
|
|
}
|
|
|
|
# Clear out old expired sessions.
|
|
function clear_expired_sessions($dbh = null) {
|
|
global $LOGIN_TIMEOUT;
|
|
|
|
if (empty($dbh)) {
|
|
$dbh = db_connect();
|
|
}
|
|
|
|
$q = "DELETE FROM Sessions WHERE LastUpdateTS < (UNIX_TIMESTAMP() - $LOGIN_TIMEOUT)";
|
|
db_query($q, $dbh);
|
|
|
|
return;
|
|
}
|
|
|