pjs/webtools/bugzilla/token.cgi

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#!/usr/bin/perl -wT
# -*- 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): Myk Melez <myk@mozilla.org>
############################################################################
# Script Initialization
############################################################################
# Make it harder for us to do dangerous things in Perl.
use strict;
use lib qw(.);
use vars qw($template $vars);
use Bugzilla;
use Bugzilla::Constants;
my $cgi = Bugzilla->cgi;
# Include the Bugzilla CGI and general utility library.
require "CGI.pl";
Bugzilla->login(LOGIN_OPTIONAL);
# Use the "Bugzilla::Token" module that contains functions for doing various
# token-related tasks.
use Bugzilla::Token;
use Bugzilla::User;
################################################################################
# Data Validation / Security Authorization
################################################################################
# Throw an error if the form does not contain an "action" field specifying
# what the user wants to do.
$cgi->param('a') || ThrowCodeError("unknown_action");
# Assign the action to a global variable.
$::action = $cgi->param('a');
# If a token was submitted, make sure it is a valid token that exists in the
# database and is the correct type for the action being taken.
if ($cgi->param('t')) {
# Assign the token and its SQL quoted equivalent to global variables.
$::token = $cgi->param('t');
$::quotedtoken = SqlQuote($::token);
# Make sure the token contains only valid characters in the right amount.
my $validationerror = ValidatePassword($::token);
if ($validationerror) {
ThrowUserError("token_invalid");
}
Bugzilla::Token::CleanTokenTable();
# Make sure the token exists in the database.
SendSQL( "SELECT tokentype FROM tokens WHERE token = $::quotedtoken" );
(my $tokentype = FetchSQLData()) || ThrowUserError("token_inexistent");
# Make sure the token is the correct type for the action being taken.
if ( grep($::action eq $_ , qw(cfmpw cxlpw chgpw)) && $tokentype ne 'password' ) {
Bugzilla::Token::Cancel($::token, "wrong_token_for_changing_passwd");
ThrowUserError("wrong_token_for_changing_passwd");
}
if ( ($::action eq 'cxlem')
&& (($tokentype ne 'emailold') && ($tokentype ne 'emailnew')) ) {
Bugzilla::Token::Cancel($::token, "wrong_token_for_cancelling_email_change");
ThrowUserError("wrong_token_for_cancelling_email_change");
}
if ( grep($::action eq $_ , qw(cfmem chgem))
&& ($tokentype ne 'emailnew') ) {
Bugzilla::Token::Cancel($::token, "wrong_token_for_confirming_email_change");
ThrowUserError("wrong_token_for_confirming_email_change");
}
}
# If the user is requesting a password change, make sure they submitted
# their login name and it exists in the database, and that the DB module is in
# the list of allowed verification methids.
if ( $::action eq 'reqpw' ) {
defined $cgi->param('loginname')
|| ThrowUserError("login_needed_for_password_change");
# check verification methods
unless (Bugzilla::Auth->has_db) {
ThrowUserError("password_change_requests_not_allowed");
}
# Make sure the login name looks like an email address. This function
# displays its own error and stops execution if the login name looks wrong.
CheckEmailSyntax($cgi->param('loginname'));
my $quotedloginname = SqlQuote($cgi->param('loginname'));
SendSQL("SELECT userid FROM profiles WHERE login_name = $quotedloginname");
FetchSQLData()
|| ThrowUserError("account_inexistent");
}
# If the user is changing their password, make sure they submitted a new
# password and that the new password is valid.
if ( $::action eq 'chgpw' ) {
defined $cgi->param('password')
&& defined $cgi->param('matchpassword')
|| ThrowUserError("require_new_password");
ValidatePassword($cgi->param('password'), $cgi->param('matchpassword'));
}
################################################################################
# Main Body Execution
################################################################################
# All calls to this script should contain an "action" variable whose value
# determines what the user wants to do. The code below checks the value of
# that variable and runs the appropriate code.
if ($::action eq 'reqpw') {
requestChangePassword();
} elsif ($::action eq 'cfmpw') {
confirmChangePassword();
} elsif ($::action eq 'cxlpw') {
cancelChangePassword();
} elsif ($::action eq 'chgpw') {
changePassword();
} elsif ($::action eq 'cfmem') {
confirmChangeEmail();
} elsif ($::action eq 'cxlem') {
cancelChangeEmail();
} elsif ($::action eq 'chgem') {
changeEmail();
} else {
# If the action that the user wants to take (specified in the "a" form field)
# is none of the above listed actions, display an error telling the user
# that we do not understand what they would like to do.
ThrowCodeError("unknown_action", { action => $::action });
}
exit;
################################################################################
# Functions
################################################################################
sub requestChangePassword {
Bugzilla::Token::IssuePasswordToken($cgi->param('loginname'));
$vars->{'message'} = "password_change_request";
print $cgi->header();
$template->process("global/message.html.tmpl", $vars)
|| ThrowTemplateError($template->error());
}
sub confirmChangePassword {
$vars->{'token'} = $::token;
print $cgi->header();
$template->process("account/password/set-forgotten-password.html.tmpl", $vars)
|| ThrowTemplateError($template->error());
}
sub cancelChangePassword {
$vars->{'message'} = "password_change_cancelled";
Bugzilla::Token::Cancel($::token, $vars->{'message'});
print $cgi->header();
$template->process("global/message.html.tmpl", $vars)
|| ThrowTemplateError($template->error());
}
sub changePassword {
# Quote the password and token for inclusion into SQL statements.
my $cryptedpassword = Crypt($cgi->param('password'));
my $quotedpassword = SqlQuote($cryptedpassword);
# Get the user's ID from the tokens table.
SendSQL("SELECT userid FROM tokens WHERE token = $::quotedtoken");
my $userid = FetchSQLData();
# Update the user's password in the profiles table and delete the token
# from the tokens table.
SendSQL("LOCK TABLES profiles WRITE , tokens WRITE");
SendSQL("UPDATE profiles
SET cryptpassword = $quotedpassword
WHERE userid = $userid");
SendSQL("DELETE FROM tokens WHERE token = $::quotedtoken");
SendSQL("UNLOCK TABLES");
Bugzilla->logout_user_by_id($userid);
$vars->{'message'} = "password_changed";
print $cgi->header();
$template->process("global/message.html.tmpl", $vars)
|| ThrowTemplateError($template->error());
}
sub confirmChangeEmail {
# Return HTTP response headers.
print $cgi->header();
$vars->{'token'} = $::token;
$template->process("account/email/confirm.html.tmpl", $vars)
|| ThrowTemplateError($template->error());
}
sub changeEmail {
# Get the user's ID from the tokens table.
SendSQL("SELECT userid, eventdata FROM tokens
WHERE token = $::quotedtoken");
my ($userid, $eventdata) = FetchSQLData();
my ($old_email, $new_email) = split(/:/,$eventdata);
my $quotednewemail = SqlQuote($new_email);
# Check the user entered the correct old email address
if(lc($cgi->param('email')) ne lc($old_email)) {
ThrowUserError("email_confirmation_failed");
}
# The new email address should be available as this was
# confirmed initially so cancel token if it is not still available
if (! ValidateNewUser($new_email,$old_email)) {
$vars->{'email'} = $new_email; # Needed for Bugzilla::Token::Cancel's mail
Bugzilla::Token::Cancel($::token,"account_exists");
ThrowUserError("account_exists", { email => $new_email } );
}
# Update the user's login name in the profiles table and delete the token
# from the tokens table.
SendSQL("LOCK TABLES profiles WRITE , tokens WRITE");
SendSQL("UPDATE profiles
SET login_name = $quotednewemail
WHERE userid = $userid");
SendSQL("DELETE FROM tokens WHERE token = $::quotedtoken");
SendSQL("DELETE FROM tokens WHERE userid = $userid
AND tokentype = 'emailnew'");
SendSQL("UNLOCK TABLES");
# The email address has been changed, so we need to rederive the groups
my $user = new Bugzilla::User($userid);
$user->derive_groups;
# Return HTTP response headers.
print $cgi->header();
# Let the user know their email address has been changed.
$vars->{'message'} = "login_changed";
$template->process("global/message.html.tmpl", $vars)
|| ThrowTemplateError($template->error());
}
sub cancelChangeEmail {
# Get the user's ID from the tokens table.
SendSQL("SELECT userid, tokentype, eventdata FROM tokens
WHERE token = $::quotedtoken");
my ($userid, $tokentype, $eventdata) = FetchSQLData();
my ($old_email, $new_email) = split(/:/,$eventdata);
if($tokentype eq "emailold") {
$vars->{'message'} = "emailold_change_cancelled";
SendSQL("SELECT login_name FROM profiles WHERE userid = $userid");
my $actualemail = FetchSQLData();
# check to see if it has been altered
if($actualemail ne $old_email) {
my $quotedoldemail = SqlQuote($old_email);
SendSQL("LOCK TABLES profiles WRITE");
SendSQL("UPDATE profiles
SET login_name = $quotedoldemail
WHERE userid = $userid");
SendSQL("UNLOCK TABLES");
# email has changed, so rederive groups
# Note that this is done _after_ the tables are unlocked
# This is sort of a race condition (given the lack of transactions)
# but the user had access to it just now, so it's not a security
# issue
my $user = new Bugzilla::User($userid);
$user->derive_groups;
$vars->{'message'} = "email_change_cancelled_reinstated";
}
}
else {
$vars->{'message'} = 'email_change_cancelled'
}
$vars->{'old_email'} = $old_email;
$vars->{'new_email'} = $new_email;
Bugzilla::Token::Cancel($::token, $vars->{'message'});
SendSQL("LOCK TABLES tokens WRITE");
SendSQL("DELETE FROM tokens
WHERE userid = $userid
AND tokentype = 'emailold' OR tokentype = 'emailnew'");
SendSQL("UNLOCK TABLES");
# Return HTTP response headers.
print $cgi->header();
$template->process("global/message.html.tmpl", $vars)
|| ThrowTemplateError($template->error());
}