gecko-dev/webtools/bugzilla/editvalues.cgi

416 lines
12 KiB
Perl
Executable File

#!/usr/bin/perl -wT
# 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.
#
# Contributor(s): Max Kanat-Alexander <mkanat@bugzilla.org>
# Frédéric Buclin <LpSolit@gmail.com>
# This is a script to edit the values of fields that have drop-down
# or select boxes. It is largely a copy of editmilestones.cgi, but
# with some cleanup.
use strict;
use lib ".";
require "globals.pl";
use Bugzilla;
use Bugzilla::Util;
use Bugzilla::Error;
use Bugzilla::Constants;
use Bugzilla::Config qw(:DEFAULT :admin :locations);
# List of different tables that contain the changeable field values
# (the old "enums.") Keep them in alphabetical order by their
# English name from field-descs.html.tmpl.
# Format: Array of valid field names.
# Admins may add resolution and bug_status to this list, but they
# do so at their own risk.
our @valid_fields = ('op_sys', 'rep_platform', 'priority', 'bug_severity',);
######################################################################
# Subroutines
######################################################################
# Returns whether or not the specified table exists in the @tables array.
sub FieldExists {
my ($field) = @_;
return lsearch(\@valid_fields, $field) >= 0;
}
# Same as FieldExists, but emits and error and dies if it fails.
sub FieldMustExist {
my ($field)= @_;
$field ||
ThrowUserError('fieldname_not_specified');
# Is it a valid field to be editing?
FieldExists($field) ||
ThrowUserError('fieldname_invalid', {'field' => $field});
}
# Returns if the specified value exists for the field specified.
sub ValueExists {
my ($field, $value) = @_;
FieldMustExist($field);
trick_taint($field);
# Value is safe because it's being passed only to a SELECT
# statement via a placeholder.
trick_taint($value);
my $dbh = Bugzilla->dbh;
my $value_count =
$dbh->selectrow_array("SELECT COUNT(*) FROM $field "
. " WHERE value = ?", undef, $value);
return $value_count;
}
# Same check as ValueExists, emits an error text and dies if it fails.
sub ValueMustExist {
my ($field, $value)= @_;
# Values may not be empty (it's very difficult to deal
# with empty values in the admin interface).
trim($value) || ThrowUserError('fieldvalue_not_specified');
# Does it exist in the DB?
ValueExists($field, $value) ||
ThrowUserError('fieldvalue_doesnt_exist', {'value' => $value,
'field' => $field});
}
######################################################################
# Main Body Execution
######################################################################
# require the user to have logged in
Bugzilla->login(LOGIN_REQUIRED);
my $dbh = Bugzilla->dbh;
my $cgi = Bugzilla->cgi;
my $template = Bugzilla->template;
my $vars = {};
print $cgi->header();
exists Bugzilla->user->groups->{'editcomponents'} ||
ThrowUserError('auth_failure', {group => "editcomponents",
action => "edit",
object => "field values"});
#
# often-used variables
#
my $field = trim($cgi->param('field') || '');
my $value = trim($cgi->param('value') || '');
my $sortkey = trim($cgi->param('sortkey') || '0');
my $action = trim($cgi->param('action') || '');
# Gives the name of the parameter associated with the field
# and representing its default value.
my %defaults;
$defaults{'op_sys'} = 'defaultopsys';
$defaults{'rep_platform'} = 'defaultplatform';
$defaults{'priority'} = 'defaultpriority';
$defaults{'bug_severity'} = 'defaultseverity';
#
# field = '' -> Show nice list of fields
#
unless ($field) {
# Convert @valid_fields into the format that select-field wants.
my @field_list = ();
foreach my $field_name (@valid_fields) {
push(@field_list, {name => $field_name});
}
$vars->{'fields'} = \@field_list;
$template->process("admin/fieldvalues/select-field.html.tmpl",
$vars)
|| ThrowTemplateError($template->error());
exit;
}
#
# action='' -> Show nice list of values.
#
unless ($action) {
FieldMustExist($field);
# Now we know the $field is valid.
trick_taint($field);
my $fieldvalues =
$dbh->selectall_arrayref("SELECT value AS name, sortkey"
. " FROM $field ORDER BY sortkey, value",
{Slice =>{}});
$vars->{'field'} = $field;
$vars->{'values'} = $fieldvalues;
$vars->{'default'} = Param($defaults{$field});
$template->process("admin/fieldvalues/list.html.tmpl",
$vars)
|| ThrowTemplateError($template->error());
exit;
}
#
# action='add' -> show form for adding new field value.
# (next action will be 'new')
#
if ($action eq 'add') {
FieldMustExist($field);
$vars->{'value'} = $value;
$vars->{'field'} = $field;
$template->process("admin/fieldvalues/create.html.tmpl",
$vars)
|| ThrowTemplateError($template->error());
exit;
}
#
# action='new' -> add field value entered in the 'action=add' screen
#
if ($action eq 'new') {
FieldMustExist($field);
trick_taint($field);
# Cleanups and validity checks
$value || ThrowUserError('fieldvalue_undefined');
if (length($value) > 60) {
ThrowUserError('fieldvalue_name_too_long',
{'value' => $value});
}
# Need to store in case detaint_natural() clears the sortkey
my $stored_sortkey = $sortkey;
if (!detaint_natural($sortkey)) {
ThrowUserError('fieldvalue_sortkey_invalid',
{'name' => $field,
'sortkey' => $stored_sortkey});
}
if (ValueExists($field, $value)) {
ThrowUserError('fieldvalue_already_exists',
{'field' => $field,
'value' => $value});
}
# Value is only used in a SELECT placeholder and through the HTML filter.
trick_taint($value);
# Add the new field value.
my $sth = $dbh->prepare("INSERT INTO $field ( value, sortkey )
VALUES ( ?, ? )");
$sth->execute($value, $sortkey);
unlink "$datadir/versioncache";
$vars->{'value'} = $value;
$vars->{'field'} = $field;
$template->process("admin/fieldvalues/created.html.tmpl",
$vars)
|| ThrowTemplateError($template->error());
exit;
}
#
# action='del' -> ask if user really wants to delete
# (next action would be 'delete')
#
if ($action eq 'del') {
ValueMustExist($field, $value);
trick_taint($field);
trick_taint($value);
# See if any bugs are still using this value.
$vars->{'bug_count'} =
$dbh->selectrow_array("SELECT COUNT(*) FROM bugs WHERE $field = ?",
undef, $value) || 0;
$vars->{'value_count'} =
$dbh->selectrow_array("SELECT COUNT(*) FROM $field");
$vars->{'value'} = $value;
$vars->{'field'} = $field;
$vars->{'param_name'} = $defaults{$field};
$template->process("admin/fieldvalues/confirm-delete.html.tmpl",
$vars)
|| ThrowTemplateError($template->error());
exit;
}
#
# action='delete' -> really delete the field value
#
if ($action eq 'delete') {
ValueMustExist($field, $value);
if ($value eq Param($defaults{$field})) {
ThrowUserError('fieldvalue_is_default', {field => $field,
value => $value,
param_name => $defaults{$field}})
}
trick_taint($field);
trick_taint($value);
$dbh->bz_lock_tables('bugs READ', "$field WRITE");
# Check if there are any bugs that still have this value.
my $bug_ids = $dbh->selectcol_arrayref(
"SELECT bug_id FROM bugs WHERE $field = ?", undef, $value);
if (scalar(@$bug_ids)) {
# You tried to delete a field that bugs are still using.
# You can't just delete the bugs. That's ridiculous.
ThrowUserError("fieldvalue_still_has_bugs",
{ field => $field, value => $value,
count => scalar(@$bug_ids) });
}
$dbh->do("DELETE FROM $field WHERE value = ?", undef, $value);
$dbh->bz_unlock_tables();
unlink "$datadir/versioncache";
$vars->{'value'} = $value;
$vars->{'field'} = $field;
$template->process("admin/fieldvalues/deleted.html.tmpl",
$vars)
|| ThrowTemplateError($template->error());
exit;
}
#
# action='edit' -> present the edit-value form
# (next action would be 'update')
#
if ($action eq 'edit') {
ValueMustExist($field, $value);
trick_taint($field);
trick_taint($value);
$vars->{'sortkey'} = $dbh->selectrow_array(
"SELECT sortkey FROM $field WHERE value = ?", undef, $value) || 0;
$vars->{'value'} = $value;
$vars->{'field'} = $field;
$template->process("admin/fieldvalues/edit.html.tmpl",
$vars)
|| ThrowTemplateError($template->error());
exit;
}
#
# action='update' -> update the field value
#
if ($action eq 'update') {
my $valueold = trim($cgi->param('valueold') || '');
my $sortkeyold = trim($cgi->param('sortkeyold') || '0');
ValueMustExist($field, $valueold);
trick_taint($field);
trick_taint($valueold);
if (length($value) > 60) {
ThrowUserError('fieldvalue_name_too_long',
{'value' => $value});
}
$dbh->bz_lock_tables('bugs WRITE', "$field WRITE");
# Need to store because detaint_natural() will delete this if
# invalid
my $stored_sortkey = $sortkey;
if ($sortkey != $sortkeyold) {
if (!detaint_natural($sortkey)) {
ThrowUserError('fieldvalue_sortkey_invalid',
{'name' => $field,
'sortkey' => $stored_sortkey});
}
$dbh->do("UPDATE $field SET sortkey = ? WHERE value = ?",
undef, $sortkey, $valueold);
unlink "$datadir/versioncache";
$vars->{'updated_sortkey'} = 1;
$vars->{'sortkey'} = $sortkey;
}
if ($value ne $valueold) {
unless ($value) {
ThrowUserError('fieldvalue_undefined');
}
if (ValueExists($field, $value)) {
ThrowUserError('fieldvalue_already_exists',
{'value' => $value,
'field' => $field});
}
trick_taint($value);
$dbh->do("UPDATE bugs SET $field = ? WHERE $field = ?",
undef, $value, $valueold);
$dbh->do("UPDATE $field SET value = ? WHERE value = ?",
undef, $value, $valueold);
unlink "$datadir/versioncache";
$vars->{'updated_value'} = 1;
}
$dbh->bz_unlock_tables();
# If the old value was the default value for the field,
# update data/params accordingly.
# This update is done while tables are unlocked due to the
# annoying call to GetVersionTable in Bugzilla/Config/Common.pm.
if ($value ne $valueold
&& $valueold eq Param($defaults{$field}))
{
SetParam($defaults{$field}, $value);
WriteParams();
unlink "$datadir/versioncache";
$vars->{'default_value_updated'} = 1;
}
$vars->{'value'} = $value;
$vars->{'field'} = $field;
$template->process("admin/fieldvalues/updated.html.tmpl",
$vars)
|| ThrowTemplateError($template->error());
exit;
}
#
# No valid action found
#
# We can't get here without $field being defined --
# See the unless($field) block at the top.
ThrowUserError('no_valid_action', { field => $field } );