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268 lines
9.0 KiB
Perl
268 lines
9.0 KiB
Perl
# -*- 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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# Module 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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# Bundle the functions in this file together into the "Token" package.
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package Token;
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use Bugzilla::Config;
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use Date::Format;
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# This module requires that its caller have said "require CGI.pl" to import
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# relevant functions from that script and its companion globals.pl.
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################################################################################
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# Constants
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################################################################################
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# The maximum number of days a token will remain valid.
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my $maxtokenage = 3;
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################################################################################
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# Functions
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################################################################################
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sub IssueEmailChangeToken {
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my ($userid, $old_email, $new_email) = @_;
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my $token_ts = time();
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my $issuedate = time2str("%Y-%m-%d %H:%M", $token_ts);
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# Generate a unique token and insert it into the tokens table.
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# We have to lock the tokens table before generating the token,
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# since the database must be queried for token uniqueness.
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&::SendSQL("LOCK TABLES tokens WRITE");
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my $token = GenerateUniqueToken();
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my $quotedtoken = &::SqlQuote($token);
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my $quoted_emails = &::SqlQuote($old_email . ":" . $new_email);
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&::SendSQL("INSERT INTO tokens ( userid , issuedate , token ,
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tokentype , eventdata )
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VALUES ( $userid , '$issuedate' , $quotedtoken ,
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'emailold' , $quoted_emails )");
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my $newtoken = GenerateUniqueToken();
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$quotedtoken = &::SqlQuote($newtoken);
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&::SendSQL("INSERT INTO tokens ( userid , issuedate , token ,
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tokentype , eventdata )
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VALUES ( $userid , '$issuedate' , $quotedtoken ,
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'emailnew' , $quoted_emails )");
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&::SendSQL("UNLOCK TABLES");
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# Mail the user the token along with instructions for using it.
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my $template = $::template;
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my $vars = $::vars;
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$vars->{'oldemailaddress'} = $old_email . Param('emailsuffix');
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$vars->{'newemailaddress'} = $new_email . Param('emailsuffix');
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$vars->{'max_token_age'} = $maxtokenage;
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$vars->{'token_ts'} = $token_ts;
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$vars->{'token'} = $token;
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$vars->{'emailaddress'} = $old_email . Param('emailsuffix');
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my $message;
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$template->process("account/email/change-old.txt.tmpl", $vars, \$message)
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|| &::ThrowTemplateError($template->error());
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open SENDMAIL, "|/usr/lib/sendmail -t -i";
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print SENDMAIL $message;
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close SENDMAIL;
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$vars->{'token'} = $newtoken;
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$vars->{'emailaddress'} = $new_email . Param('emailsuffix');
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$message = "";
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$template->process("account/email/change-new.txt.tmpl", $vars, \$message)
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|| &::ThrowTemplateError($template->error());
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open SENDMAIL, "|/usr/lib/sendmail -t -i";
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print SENDMAIL $message;
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close SENDMAIL;
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}
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sub IssuePasswordToken {
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# Generates a random token, adds it to the tokens table, and sends it
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# to the user with instructions for using it to change their password.
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my ($loginname) = @_;
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# Retrieve the user's ID from the database.
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my $quotedloginname = &::SqlQuote($loginname);
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&::SendSQL("SELECT userid FROM profiles WHERE login_name = $quotedloginname");
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my ($userid) = &::FetchSQLData();
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my $token_ts = time();
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my $issuedate = time2str("%Y-%m-%d %H:%M", $token_ts);
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# Generate a unique token and insert it into the tokens table.
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# We have to lock the tokens table before generating the token,
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# since the database must be queried for token uniqueness.
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&::SendSQL("LOCK TABLES tokens WRITE");
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my $token = GenerateUniqueToken();
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my $quotedtoken = &::SqlQuote($token);
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my $quotedipaddr = &::SqlQuote($::ENV{'REMOTE_ADDR'});
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&::SendSQL("INSERT INTO tokens ( userid , issuedate , token , tokentype , eventdata )
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VALUES ( $userid , '$issuedate' , $quotedtoken , 'password' , $quotedipaddr )");
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&::SendSQL("UNLOCK TABLES");
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# Mail the user the token along with instructions for using it.
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my $template = $::template;
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my $vars = $::vars;
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$vars->{'token'} = $token;
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$vars->{'emailaddress'} = $loginname . Param('emailsuffix');
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$vars->{'max_token_age'} = $maxtokenage;
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$vars->{'token_ts'} = $token_ts;
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my $message = "";
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$template->process("account/password/forgotten-password.txt.tmpl",
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$vars, \$message)
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|| &::ThrowTemplateError($template->error());
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open SENDMAIL, "|/usr/lib/sendmail -t -i";
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print SENDMAIL $message;
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close SENDMAIL;
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}
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sub CleanTokenTable {
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&::SendSQL("LOCK TABLES tokens WRITE");
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&::SendSQL("DELETE FROM tokens
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WHERE TO_DAYS(NOW()) - TO_DAYS(issuedate) >= " . $maxtokenage);
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&::SendSQL("UNLOCK TABLES");
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}
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sub GenerateUniqueToken {
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# Generates a unique random token. Uses &GenerateRandomPassword
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# for the tokens themselves and checks uniqueness by searching for
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# the token in the "tokens" table. Gives up if it can't come up
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# with a token after about one hundred tries.
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my $token;
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my $duplicate = 1;
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my $tries = 0;
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while ($duplicate) {
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++$tries;
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if ($tries > 100) {
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&::ThrowCodeError("token_generation_error");
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}
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$token = &::GenerateRandomPassword();
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&::SendSQL("SELECT userid FROM tokens WHERE token = " . &::SqlQuote($token));
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$duplicate = &::FetchSQLData();
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}
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return $token;
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}
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sub Cancel {
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# Cancels a previously issued token and notifies the system administrator.
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# This should only happen when the user accidentally makes a token request
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# or when a malicious hacker makes a token request on behalf of a user.
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my ($token, $cancelaction) = @_;
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# Quote the token for inclusion in SQL statements.
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my $quotedtoken = &::SqlQuote($token);
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# Get information about the token being cancelled.
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&::SendSQL("SELECT issuedate , tokentype , eventdata , login_name , realname
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FROM tokens, profiles
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WHERE tokens.userid = profiles.userid
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AND token = $quotedtoken");
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my ($issuedate, $tokentype, $eventdata, $loginname, $realname) = &::FetchSQLData();
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# Get the email address of the Bugzilla maintainer.
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my $maintainer = Param('maintainer');
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my $template = $::template;
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my $vars = $::vars;
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$vars->{'emailaddress'} = $loginname . Param('emailsuffix');
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$vars->{'maintainer'} = $maintainer;
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$vars->{'remoteaddress'} = $::ENV{'REMOTE_ADDR'};
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$vars->{'token'} = $token;
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$vars->{'tokentype'} = $tokentype;
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$vars->{'issuedate'} = $issuedate;
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$vars->{'eventdata'} = $eventdata;
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$vars->{'cancelaction'} = $cancelaction;
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# Notify the user via email about the cancellation.
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my $message;
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$template->process("account/cancel-token.txt.tmpl", $vars, \$message)
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|| &::ThrowTemplateError($template->error());
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open SENDMAIL, "|/usr/lib/sendmail -t -i";
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print SENDMAIL $message;
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close SENDMAIL;
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# Delete the token from the database.
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&::SendSQL("LOCK TABLES tokens WRITE");
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&::SendSQL("DELETE FROM tokens WHERE token = $quotedtoken");
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&::SendSQL("UNLOCK TABLES");
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}
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sub DeletePasswordTokens {
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my ($userid, $reason) = @_;
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my $dbh = Bugzilla->dbh;
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my $sth = $dbh->prepare("SELECT token " .
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"FROM tokens " .
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"WHERE userid=? AND tokentype='password'");
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$sth->execute($userid);
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while (my $token = $sth->fetchrow_array) {
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Token::Cancel($token, "user_logged_in");
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}
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}
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sub HasEmailChangeToken {
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# Returns an email change token if the user has one.
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my ($userid) = @_;
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&::SendSQL("SELECT token FROM tokens WHERE userid = $userid " .
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"AND (tokentype = 'emailnew' OR tokentype = 'emailold') " .
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"LIMIT 1");
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my ($token) = &::FetchSQLData();
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return $token;
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}
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1;
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