Bug 241900: Allow Bugzilla::Auth to have multiple login and validation styles

patch by erik
r=joel
a=justdave

1 files changed, 132 insertions, 0 deletions

diff --git a/Bugzilla/Auth/Verify/DB.pm b/Bugzilla/Auth/Verify/DB.pm
new file mode 100644
index 000000000..4db34b5cf
--- /dev/null
+++ b/Bugzilla/Auth/Verify/DB.pm
@@ -0,0 +1,132 @@
+# -*- Mode: perl; indent-tabs-mode: nil -*-
+#
+# The contents of this file are subject to the Mozilla Public
+# License Version 1.1 (the "License"); you may not use this file
+# except in compliance with the License. You may obtain a copy of
+# the License at http://www.mozilla.org/MPL/
+#
+# Software distributed under the License is distributed on an "AS
+# IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
+# implied. See the License for the specific language governing
+# rights and limitations under the License.
+#
+# The Original Code is the Bugzilla Bug Tracking System.
+#
+# The Initial Developer of the Original Code is Netscape Communications
+# Corporation. Portions created by Netscape are
+# Copyright (C) 1998 Netscape Communications Corporation. All
+# Rights Reserved.
+#
+# Contributor(s): Terry Weissman <terry@mozilla.org>
+#                 Dan Mosedale <dmose@mozilla.org>
+#                 Joe Robins <jmrobins@tgix.com>
+#                 Dave Miller <justdave@syndicomm.com>
+#                 Christopher Aillon <christopher@aillon.com>
+#                 Gervase Markham <gerv@gerv.net>
+#                 Christian Reis <kiko@async.com.br>
+#                 Bradley Baetz <bbaetz@acm.org>
+#                 Erik Stambaugh <erik@dasbistro.com>
+
+package Bugzilla::Auth::Verify::DB;
+
+use strict;
+
+use Bugzilla::Config;
+use Bugzilla::Constants;
+use Bugzilla::Util;
+
+# can_edit is now a hash.
+
+my $can_edit = {
+    'new' => 1,
+    'userid' => 0,
+    'login_name' => 1,
+    'realname' => 1,
+};
+
+sub authenticate {
+    my ($class, $username, $passwd) = @_;
+
+    return (AUTH_NODATA) unless defined $username && defined $passwd;
+
+    # We're just testing against the db: any value is ok
+    trick_taint($username);
+
+    my $userid = $class->get_id_from_username($username);
+    return (AUTH_LOGINFAILED) unless defined $userid;
+
+    return (AUTH_LOGINFAILED, $userid) 
+        unless $class->check_password($userid, $passwd);
+
+    # The user's credentials are okay, so delete any outstanding
+    # password tokens they may have generated.
+    require Bugzilla::Token;
+    Bugzilla::Token::DeletePasswordTokens($userid, "user_logged_in");
+
+    # Account may have been disabled
+    my $disabledtext = $class->get_disabled($userid);
+    return (AUTH_DISABLED, $userid, $disabledtext)
+      if $disabledtext ne '';
+
+    return (AUTH_OK, $userid);
+}
+
+sub get_id_from_username {
+    my ($class, $username) = @_;
+    my $dbh = Bugzilla->dbh;
+    my $sth = $dbh->prepare_cached("SELECT userid FROM profiles " .
+                                   "WHERE login_name=?");
+    my ($userid) = $dbh->selectrow_array($sth, undef, $username);
+    return $userid;
+}
+
+sub get_disabled {
+    my ($class, $userid) = @_;
+    my $dbh = Bugzilla->dbh;
+    my $sth = $dbh->prepare_cached("SELECT disabledtext FROM profiles " .
+                                   "WHERE userid=?");
+    my ($text) = $dbh->selectrow_array($sth, undef, $userid);
+    return $text;
+}
+
+sub check_password {
+    my ($class, $userid, $passwd) = @_;
+    my $dbh = Bugzilla->dbh;
+    my $sth = $dbh->prepare_cached("SELECT cryptpassword FROM profiles " .
+                                   "WHERE userid=?");
+    my ($realcryptpwd) = $dbh->selectrow_array($sth, undef, $userid);
+
+    # Get the salt from the user's crypted password.
+    my $salt = $realcryptpwd;
+
+    # Using the salt, crypt the password the user entered.
+    my $enteredCryptedPassword = crypt($passwd, $salt);
+
+    return $enteredCryptedPassword eq $realcryptpwd;
+}
+
+sub change_password {
+    my ($class, $userid, $password) = @_;
+    my $dbh = Bugzilla->dbh;
+    my $cryptpassword = Crypt($password);
+    $dbh->do("UPDATE profiles SET cryptpassword = ? WHERE userid = ?", 
+             undef, $cryptpassword, $userid);
+}
+
+1;
+
+__END__
+
+=head1 NAME
+
+Bugzilla::Auth::Verify::DB - database authentication for Bugzilla
+
+=head1 SUMMARY
+
+This is an L<authentication module|Bugzilla::Auth/"AUTHENTICATION"> for
+Bugzilla, which logs the user in using the password stored in the C<profiles>
+table. This is the most commonly used authentication module.
+
+=head1 SEE ALSO
+
+L<Bugzilla::Auth>