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325 lines
11 KiB
Perl
Executable File
325 lines
11 KiB
Perl
Executable File
#!/usr/bin/perl -wT
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# -*- Mode: perl; indent-tabs-mode: nil -*-
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#
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# The contents of this file are subject to the Mozilla Public
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# License Version 1.1 (the "License"); you may not use this file
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# except in compliance with the License. You may obtain a copy of
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# the License at http://www.mozilla.org/MPL/
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#
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# Software distributed under the License is distributed on an "AS
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# IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
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# implied. See the License for the specific language governing
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# rights and limitations under the License.
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#
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# The Original Code is the Bugzilla Bug Tracking System.
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#
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# The Initial Developer of the Original Code is Netscape Communications
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# Corporation. Portions created by Netscape are
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# Copyright (C) 1998 Netscape Communications Corporation. All
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# Rights Reserved.
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#
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# Contributor(s): Myk Melez <myk@mozilla.org>
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############################################################################
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# Script Initialization
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############################################################################
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# Make it harder for us to do dangerous things in Perl.
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use strict;
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use lib qw(.);
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use vars qw($template $vars);
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use Bugzilla;
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# Include the Bugzilla CGI and general utility library.
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require "CGI.pl";
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# Establish a connection to the database backend.
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ConnectToDatabase();
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quietly_check_login('permit_anonymous');
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# Use the "Token" module that contains functions for doing various
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# token-related tasks.
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use Token;
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use Bugzilla::User;
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################################################################################
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# Data Validation / Security Authorization
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################################################################################
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# Throw an error if the form does not contain an "action" field specifying
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# what the user wants to do.
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$::FORM{'a'} || ThrowCodeError("unknown_action");
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# Assign the action to a global variable.
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$::action = $::FORM{'a'};
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# If a token was submitted, make sure it is a valid token that exists in the
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# database and is the correct type for the action being taken.
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if ($::FORM{'t'}) {
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# Assign the token and its SQL quoted equivalent to global variables.
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$::token = $::FORM{'t'};
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$::quotedtoken = SqlQuote($::token);
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# Make sure the token contains only valid characters in the right amount.
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my $validationerror = ValidatePassword($::token);
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if ($validationerror) {
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ThrowUserError("token_invalid");
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}
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Token::CleanTokenTable();
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# Make sure the token exists in the database.
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SendSQL( "SELECT tokentype FROM tokens WHERE token = $::quotedtoken" );
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(my $tokentype = FetchSQLData()) || ThrowUserError("token_inexistent");
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# Make sure the token is the correct type for the action being taken.
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if ( grep($::action eq $_ , qw(cfmpw cxlpw chgpw)) && $tokentype ne 'password' ) {
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Token::Cancel($::token, "wrong_token_for_changing_passwd");
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ThrowUserError("wrong_token_for_changing_passwd");
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}
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if ( ($::action eq 'cxlem')
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&& (($tokentype ne 'emailold') && ($tokentype ne 'emailnew')) ) {
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Token::Cancel($::token, "wrong_token_for_cancelling_email_change");
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ThrowUserError("wrong_token_for_cancelling_email_change");
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}
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if ( grep($::action eq $_ , qw(cfmem chgem))
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&& ($tokentype ne 'emailnew') ) {
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Token::Cancel($::token, "wrong_token_for_confirming_email_change");
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ThrowUserError("wrong_token_for_confirming_email_change");
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}
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}
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# If the user is requesting a password change, make sure they submitted
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# their login name and it exists in the database.
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if ( $::action eq 'reqpw' ) {
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defined $::FORM{'loginname'}
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|| ThrowUserError("login_needed_for_password_change");
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# Make sure the login name looks like an email address. This function
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# displays its own error and stops execution if the login name looks wrong.
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CheckEmailSyntax($::FORM{'loginname'});
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my $quotedloginname = SqlQuote($::FORM{'loginname'});
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SendSQL("SELECT userid FROM profiles WHERE login_name = $quotedloginname");
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FetchSQLData()
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|| ThrowUserError("account_inexistent");
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}
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# If the user is changing their password, make sure they submitted a new
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# password and that the new password is valid.
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if ( $::action eq 'chgpw' ) {
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defined $::FORM{'password'}
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&& defined $::FORM{'matchpassword'}
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|| ThrowUserError("require_new_password");
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ValidatePassword($::FORM{'password'}, $::FORM{'matchpassword'});
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}
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################################################################################
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# Main Body Execution
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################################################################################
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# All calls to this script should contain an "action" variable whose value
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# determines what the user wants to do. The code below checks the value of
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# that variable and runs the appropriate code.
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if ($::action eq 'reqpw') {
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requestChangePassword();
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} elsif ($::action eq 'cfmpw') {
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confirmChangePassword();
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} elsif ($::action eq 'cxlpw') {
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cancelChangePassword();
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} elsif ($::action eq 'chgpw') {
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changePassword();
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} elsif ($::action eq 'cfmem') {
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confirmChangeEmail();
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} elsif ($::action eq 'cxlem') {
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cancelChangeEmail();
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} elsif ($::action eq 'chgem') {
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changeEmail();
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} else {
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# If the action that the user wants to take (specified in the "a" form field)
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# is none of the above listed actions, display an error telling the user
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# that we do not understand what they would like to do.
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ThrowCodeError("unknown_action", { action => $::action });
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}
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exit;
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################################################################################
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# Functions
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################################################################################
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sub requestChangePassword {
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Token::IssuePasswordToken($::FORM{'loginname'});
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$vars->{'message'} = "password_change_request";
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print Bugzilla->cgi->header();
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$template->process("global/message.html.tmpl", $vars)
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|| ThrowTemplateError($template->error());
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}
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sub confirmChangePassword {
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$vars->{'token'} = $::token;
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print Bugzilla->cgi->header();
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$template->process("account/password/set-forgotten-password.html.tmpl", $vars)
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|| ThrowTemplateError($template->error());
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}
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sub cancelChangePassword {
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$vars->{'message'} = "password_change_canceled";
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Token::Cancel($::token, $vars->{'message'});
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print Bugzilla->cgi->header();
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$template->process("global/message.html.tmpl", $vars)
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|| ThrowTemplateError($template->error());
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}
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sub changePassword {
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# Quote the password and token for inclusion into SQL statements.
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my $cryptedpassword = Crypt($::FORM{'password'});
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my $quotedpassword = SqlQuote($cryptedpassword);
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# Get the user's ID from the tokens table.
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SendSQL("SELECT userid FROM tokens WHERE token = $::quotedtoken");
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my $userid = FetchSQLData();
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# Update the user's password in the profiles table and delete the token
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# from the tokens table.
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SendSQL("LOCK TABLES profiles WRITE , tokens WRITE");
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SendSQL("UPDATE profiles
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SET cryptpassword = $quotedpassword
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WHERE userid = $userid");
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SendSQL("DELETE FROM tokens WHERE token = $::quotedtoken");
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SendSQL("UNLOCK TABLES");
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InvalidateLogins($userid);
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$vars->{'message'} = "password_changed";
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print Bugzilla->cgi->header();
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$template->process("global/message.html.tmpl", $vars)
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|| ThrowTemplateError($template->error());
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}
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sub confirmChangeEmail {
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# Return HTTP response headers.
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print Bugzilla->cgi->header();
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$vars->{'token'} = $::token;
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$template->process("account/email/confirm.html.tmpl", $vars)
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|| ThrowTemplateError($template->error());
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}
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sub changeEmail {
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# Get the user's ID from the tokens table.
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SendSQL("SELECT userid, eventdata FROM tokens
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WHERE token = $::quotedtoken");
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my ($userid, $eventdata) = FetchSQLData();
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my ($old_email, $new_email) = split(/:/,$eventdata);
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my $quotednewemail = SqlQuote($new_email);
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# Check the user entered the correct old email address
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if(lc($::FORM{'email'}) ne lc($old_email)) {
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ThrowUserError("email_confirmation_failed");
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}
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# The new email address should be available as this was
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# confirmed initially so cancel token if it is not still available
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if (! ValidateNewUser($new_email,$old_email)) {
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$vars->{'email'} = $new_email; # Needed for Token::Cancel's mail
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Token::Cancel($::token,"account_exists");
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ThrowUserError("account_exists", { email => $new_email } );
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}
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# Update the user's login name in the profiles table and delete the token
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# from the tokens table.
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SendSQL("LOCK TABLES profiles WRITE , tokens WRITE");
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SendSQL("UPDATE profiles
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SET login_name = $quotednewemail
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WHERE userid = $userid");
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SendSQL("DELETE FROM tokens WHERE token = $::quotedtoken");
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SendSQL("DELETE FROM tokens WHERE userid = $userid
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AND tokentype = 'emailnew'");
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SendSQL("UNLOCK TABLES");
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# The email address has been changed, so we need to rederive the groups
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my $user = new Bugzilla::User($userid);
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$user->derive_groups;
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# Return HTTP response headers.
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print Bugzilla->cgi->header();
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# Let the user know their email address has been changed.
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$vars->{'message'} = "login_changed";
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$template->process("global/message.html.tmpl", $vars)
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|| ThrowTemplateError($template->error());
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}
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sub cancelChangeEmail {
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# Get the user's ID from the tokens table.
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SendSQL("SELECT userid, tokentype, eventdata FROM tokens
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WHERE token = $::quotedtoken");
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my ($userid, $tokentype, $eventdata) = FetchSQLData();
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my ($old_email, $new_email) = split(/:/,$eventdata);
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if($tokentype eq "emailold") {
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$vars->{'message'} = "emailold_change_cancelled";
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SendSQL("SELECT login_name FROM profiles WHERE userid = $userid");
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my $actualemail = FetchSQLData();
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# check to see if it has been altered
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if($actualemail ne $old_email) {
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my $quotedoldemail = SqlQuote($old_email);
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SendSQL("LOCK TABLES profiles WRITE");
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SendSQL("UPDATE profiles
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SET login_name = $quotedoldemail
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WHERE userid = $userid");
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SendSQL("UNLOCK TABLES");
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# email has changed, so rederive groups
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# Note that this is done _after_ the tables are unlocked
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# This is sort of a race condition (given the lack of transactions)
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# but the user had access to it just now, so it's not a security
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# issue
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my $user = new Bugzilla::User($userid);
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$user->derive_groups;
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$vars->{'message'} = "email_change_cancelled_reinstated";
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}
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}
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else {
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$vars->{'message'} = 'email_change_cancelled'
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}
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$vars->{'old_email'} = $old_email;
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$vars->{'new_email'} = $new_email;
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Token::Cancel($::token, $vars->{'message'});
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SendSQL("LOCK TABLES tokens WRITE");
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SendSQL("DELETE FROM tokens
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WHERE userid = $userid
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AND tokentype = 'emailold' OR tokentype = 'emailnew'");
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SendSQL("UNLOCK TABLES");
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# Return HTTP response headers.
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print Bugzilla->cgi->header();
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$template->process("global/message.html.tmpl", $vars)
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|| ThrowTemplateError($template->error());
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}
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