gecko-dev/webtools/bugzilla/Bugzilla/Bug.pm

1345 lines
46 KiB
Perl

# -*- 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): Dawn Endico <endico@mozilla.org>
# Terry Weissman <terry@mozilla.org>
# Chris Yeh <cyeh@bluemartini.com>
# Bradley Baetz <bbaetz@acm.org>
# Dave Miller <justdave@bugzilla.org>
# Max Kanat-Alexander <mkanat@bugzilla.org>
# Frédéric Buclin <LpSolit@gmail.com>
# Lance Larsh <lance.larsh@oracle.com>
package Bugzilla::Bug;
use strict;
use vars qw(@legal_platform
@legal_priority @legal_severity @legal_opsys @legal_bug_status
@settable_resolution %prodmaxvotes);
use CGI::Carp qw(fatalsToBrowser);
use Bugzilla::Attachment;
use Bugzilla::Config;
use Bugzilla::Constants;
use Bugzilla::Field;
use Bugzilla::Flag;
use Bugzilla::FlagType;
use Bugzilla::User;
use Bugzilla::Util;
use Bugzilla::Error;
use Bugzilla::Product;
use base qw(Exporter);
@Bugzilla::Bug::EXPORT = qw(
AppendComment ValidateComment
bug_alias_to_id ValidateBugAlias ValidateBugID
RemoveVotes CheckIfVotedConfirmed
LogActivityEntry
is_open_state
);
#####################################################################
# Constants
#####################################################################
# Used in LogActivityEntry(). Gives the max length of lines in the
# activity table.
use constant MAX_LINE_LENGTH => 254;
# Used in ValidateComment(). Gives the max length allowed for a comment.
use constant MAX_COMMENT_LENGTH => 65535;
#####################################################################
# create a new empty bug
#
sub new {
my $type = shift();
my %bug;
# create a ref to an empty hash and bless it
#
my $self = {%bug};
bless $self, $type;
# construct from a hash containing a bug's info
#
if ($#_ == 1) {
$self->initBug(@_);
} else {
confess("invalid number of arguments \($#_\)($_)");
}
# bless as a Bug
#
return $self;
}
# dump info about bug into hash unless user doesn't have permission
# user_id 0 is used when person is not logged in.
#
sub initBug {
my $self = shift();
my ($bug_id, $user_id) = (@_);
my $dbh = Bugzilla->dbh;
$bug_id = trim($bug_id);
my $old_bug_id = $bug_id;
# If the bug ID isn't numeric, it might be an alias, so try to convert it.
$bug_id = bug_alias_to_id($bug_id) if $bug_id !~ /^0*[1-9][0-9]*$/;
if ((! defined $bug_id) || (!$bug_id) || (!detaint_natural($bug_id))) {
# no bug number given or the alias didn't match a bug
$self->{'bug_id'} = $old_bug_id;
$self->{'error'} = "InvalidBugId";
return $self;
}
# If the user is not logged in, sets $user_id to 0.
# Else gets $user_id from the user login name if this
# argument is not numeric.
my $stored_user_id = $user_id;
if (!defined $user_id) {
$user_id = 0;
} elsif (!detaint_natural($user_id)) {
$user_id = login_to_id($stored_user_id);
}
$self->{'who'} = new Bugzilla::User($user_id);
my $custom_fields = "";
if (scalar(Bugzilla->custom_field_names) > 0) {
$custom_fields = ", " . join(", ", Bugzilla->custom_field_names);
}
my $query = "
SELECT
bugs.bug_id, alias, products.classification_id, classifications.name,
bugs.product_id, products.name, version,
rep_platform, op_sys, bug_status, resolution, priority,
bug_severity, bugs.component_id, components.name,
assigned_to AS assigned_to_id, reporter AS reporter_id,
bug_file_loc, short_desc, target_milestone,
qa_contact AS qa_contact_id, status_whiteboard, " .
$dbh->sql_date_format('creation_ts', '%Y.%m.%d %H:%i') . ",
delta_ts, COALESCE(SUM(votes.vote_count), 0), everconfirmed,
reporter_accessible, cclist_accessible,
estimated_time, remaining_time, " .
$dbh->sql_date_format('deadline', '%Y-%m-%d') .
$custom_fields . "
FROM bugs
LEFT JOIN votes
ON bugs.bug_id = votes.bug_id
INNER JOIN components
ON components.id = bugs.component_id
INNER JOIN products
ON products.id = bugs.product_id
INNER JOIN classifications
ON classifications.id = products.classification_id
WHERE bugs.bug_id = ? " .
$dbh->sql_group_by('bugs.bug_id', 'alias, products.classification_id,
classifications.name, bugs.product_id, products.name, version,
rep_platform, op_sys, bug_status, resolution, priority,
bug_severity, bugs.component_id, components.name, assigned_to,
reporter, bug_file_loc, short_desc, target_milestone,
qa_contact, status_whiteboard, everconfirmed, creation_ts,
delta_ts, reporter_accessible, cclist_accessible,
estimated_time, remaining_time, deadline');
my $bug_sth = $dbh->prepare($query);
$bug_sth->execute($bug_id);
my @row;
if ((@row = $bug_sth->fetchrow_array())
&& $self->{'who'}->can_see_bug($bug_id)) {
my $count = 0;
my %fields;
foreach my $field ("bug_id", "alias", "classification_id", "classification",
"product_id", "product", "version",
"rep_platform", "op_sys", "bug_status", "resolution",
"priority", "bug_severity", "component_id", "component",
"assigned_to_id", "reporter_id",
"bug_file_loc", "short_desc",
"target_milestone", "qa_contact_id", "status_whiteboard",
"creation_ts", "delta_ts", "votes", "everconfirmed",
"reporter_accessible", "cclist_accessible",
"estimated_time", "remaining_time", "deadline",
Bugzilla->custom_field_names)
{
$fields{$field} = shift @row;
if (defined $fields{$field}) {
$self->{$field} = $fields{$field};
}
$count++;
}
} elsif (@row) {
$self->{'bug_id'} = $bug_id;
$self->{'error'} = "NotPermitted";
return $self;
} else {
$self->{'bug_id'} = $bug_id;
$self->{'error'} = "NotFound";
return $self;
}
$self->{'isunconfirmed'} = ($self->{bug_status} eq 'UNCONFIRMED');
$self->{'isopened'} = is_open_state($self->{bug_status});
return $self;
}
# This is the correct way to delete bugs from the DB.
# No bug should be deleted from anywhere else except from here.
#
sub remove_from_db {
my ($self) = @_;
my $dbh = Bugzilla->dbh;
if ($self->{'error'}) {
ThrowCodeError("bug_error", { bug => $self });
}
my $bug_id = $self->{'bug_id'};
# tables having 'bugs.bug_id' as a foreign key:
# - attachments
# - bug_group_map
# - bugs
# - bugs_activity
# - cc
# - dependencies
# - duplicates
# - flags
# - keywords
# - longdescs
# - votes
$dbh->bz_lock_tables('attachments WRITE', 'bug_group_map WRITE',
'bugs WRITE', 'bugs_activity WRITE', 'cc WRITE',
'dependencies WRITE', 'duplicates WRITE',
'flags WRITE', 'keywords WRITE',
'longdescs WRITE', 'votes WRITE');
$dbh->do("DELETE FROM bug_group_map WHERE bug_id = ?", undef, $bug_id);
$dbh->do("DELETE FROM bugs_activity WHERE bug_id = ?", undef, $bug_id);
$dbh->do("DELETE FROM cc WHERE bug_id = ?", undef, $bug_id);
$dbh->do("DELETE FROM dependencies WHERE blocked = ? OR dependson = ?",
undef, ($bug_id, $bug_id));
$dbh->do("DELETE FROM duplicates WHERE dupe = ? OR dupe_of = ?",
undef, ($bug_id, $bug_id));
$dbh->do("DELETE FROM flags WHERE bug_id = ?", undef, $bug_id);
$dbh->do("DELETE FROM keywords WHERE bug_id = ?", undef, $bug_id);
$dbh->do("DELETE FROM longdescs WHERE bug_id = ?", undef, $bug_id);
$dbh->do("DELETE FROM votes WHERE bug_id = ?", undef, $bug_id);
# Several of the previous tables also depend on attach_id.
$dbh->do("DELETE FROM attachments WHERE bug_id = ?", undef, $bug_id);
$dbh->do("DELETE FROM bugs WHERE bug_id = ?", undef, $bug_id);
$dbh->bz_unlock_tables();
# Now this bug no longer exists
$self->DESTROY;
return $self;
}
#####################################################################
# Class Accessors
#####################################################################
sub fields {
my $class = shift;
return (
# Standard Fields
# Keep this ordering in sync with bugzilla.dtd.
qw(bug_id alias creation_ts short_desc delta_ts
reporter_accessible cclist_accessible
classification_id classification
product component version rep_platform op_sys
bug_status resolution
bug_file_loc status_whiteboard keywords
priority bug_severity target_milestone
dependson blocked votes
reporter assigned_to cc),
# Conditional Fields
Param('useqacontact') ? "qa_contact" : (),
Param('timetrackinggroup') ? qw(estimated_time remaining_time
actual_time deadline)
: (),
# Custom Fields
Bugzilla->custom_field_names
);
}
#####################################################################
# Instance Accessors
#####################################################################
# These subs are in alphabetical order, as much as possible.
# If you add a new sub, please try to keep it in alphabetical order
# with the other ones.
# Note: If you add a new method, remember that you must check the error
# state of the bug before returning any data. If $self->{error} is
# defined, then return something empty. Otherwise you risk potential
# security holes.
sub dup_id {
my ($self) = @_;
return $self->{'dup_id'} if exists $self->{'dup_id'};
$self->{'dup_id'} = undef;
return if $self->{'error'};
if ($self->{'resolution'} eq 'DUPLICATE') {
my $dbh = Bugzilla->dbh;
$self->{'dup_id'} =
$dbh->selectrow_array(q{SELECT dupe_of
FROM duplicates
WHERE dupe = ?},
undef,
$self->{'bug_id'});
}
return $self->{'dup_id'};
}
sub actual_time {
my ($self) = @_;
return $self->{'actual_time'} if exists $self->{'actual_time'};
if ( $self->{'error'} ||
!Bugzilla->user->in_group(Param("timetrackinggroup")) ) {
$self->{'actual_time'} = undef;
return $self->{'actual_time'};
}
my $sth = Bugzilla->dbh->prepare("SELECT SUM(work_time)
FROM longdescs
WHERE longdescs.bug_id=?");
$sth->execute($self->{bug_id});
$self->{'actual_time'} = $sth->fetchrow_array();
return $self->{'actual_time'};
}
sub any_flags_requesteeble {
my ($self) = @_;
return $self->{'any_flags_requesteeble'}
if exists $self->{'any_flags_requesteeble'};
return 0 if $self->{'error'};
$self->{'any_flags_requesteeble'} =
grep($_->{'is_requesteeble'}, @{$self->flag_types});
return $self->{'any_flags_requesteeble'};
}
sub attachments {
my ($self) = @_;
return $self->{'attachments'} if exists $self->{'attachments'};
return [] if $self->{'error'};
$self->{'attachments'} =
Bugzilla::Attachment->get_attachments_by_bug($self->bug_id);
return $self->{'attachments'};
}
sub assigned_to {
my ($self) = @_;
return $self->{'assigned_to'} if exists $self->{'assigned_to'};
$self->{'assigned_to_id'} = 0 if $self->{'error'};
$self->{'assigned_to'} = new Bugzilla::User($self->{'assigned_to_id'});
return $self->{'assigned_to'};
}
sub blocked {
my ($self) = @_;
return $self->{'blocked'} if exists $self->{'blocked'};
return [] if $self->{'error'};
$self->{'blocked'} = EmitDependList("dependson", "blocked", $self->bug_id);
return $self->{'blocked'};
}
# Even bugs in an error state always have a bug_id.
sub bug_id { $_[0]->{'bug_id'}; }
sub cc {
my ($self) = @_;
return $self->{'cc'} if exists $self->{'cc'};
return [] if $self->{'error'};
my $dbh = Bugzilla->dbh;
$self->{'cc'} = $dbh->selectcol_arrayref(
q{SELECT profiles.login_name FROM cc, profiles
WHERE bug_id = ?
AND cc.who = profiles.userid
ORDER BY profiles.login_name},
undef, $self->bug_id);
$self->{'cc'} = undef if !scalar(@{$self->{'cc'}});
return $self->{'cc'};
}
sub dependson {
my ($self) = @_;
return $self->{'dependson'} if exists $self->{'dependson'};
return [] if $self->{'error'};
$self->{'dependson'} =
EmitDependList("blocked", "dependson", $self->bug_id);
return $self->{'dependson'};
}
sub flag_types {
my ($self) = @_;
return $self->{'flag_types'} if exists $self->{'flag_types'};
return [] if $self->{'error'};
# The types of flags that can be set on this bug.
# If none, no UI for setting flags will be displayed.
my $flag_types = Bugzilla::FlagType::match(
{'target_type' => 'bug',
'product_id' => $self->{'product_id'},
'component_id' => $self->{'component_id'} });
foreach my $flag_type (@$flag_types) {
$flag_type->{'flags'} = Bugzilla::Flag::match(
{ 'bug_id' => $self->bug_id,
'type_id' => $flag_type->{'id'},
'target_type' => 'bug' });
}
$self->{'flag_types'} = $flag_types;
return $self->{'flag_types'};
}
sub keywords {
my ($self) = @_;
return $self->{'keywords'} if exists $self->{'keywords'};
return () if $self->{'error'};
my $dbh = Bugzilla->dbh;
my $list_ref = $dbh->selectcol_arrayref(
"SELECT keyworddefs.name
FROM keyworddefs, keywords
WHERE keywords.bug_id = ?
AND keyworddefs.id = keywords.keywordid
ORDER BY keyworddefs.name",
undef, ($self->bug_id));
$self->{'keywords'} = join(', ', @$list_ref);
return $self->{'keywords'};
}
sub longdescs {
my ($self) = @_;
return $self->{'longdescs'} if exists $self->{'longdescs'};
return [] if $self->{'error'};
$self->{'longdescs'} = GetComments($self->{bug_id});
return $self->{'longdescs'};
}
sub milestoneurl {
my ($self) = @_;
return $self->{'milestoneurl'} if exists $self->{'milestoneurl'};
return '' if $self->{'error'};
$self->{'prod_obj'} ||= new Bugzilla::Product({name => $self->{'product'}});
$self->{'milestoneurl'} = $self->{'prod_obj'}->milestone_url;
return $self->{'milestoneurl'};
}
sub qa_contact {
my ($self) = @_;
return $self->{'qa_contact'} if exists $self->{'qa_contact'};
return undef if $self->{'error'};
if (Param('useqacontact') && $self->{'qa_contact_id'}) {
$self->{'qa_contact'} = new Bugzilla::User($self->{'qa_contact_id'});
} else {
# XXX - This is somewhat inconsistent with the assignee/reporter
# methods, which will return an empty User if they get a 0.
# However, we're keeping it this way now, for backwards-compatibility.
$self->{'qa_contact'} = undef;
}
return $self->{'qa_contact'};
}
sub reporter {
my ($self) = @_;
return $self->{'reporter'} if exists $self->{'reporter'};
$self->{'reporter_id'} = 0 if $self->{'error'};
$self->{'reporter'} = new Bugzilla::User($self->{'reporter_id'});
return $self->{'reporter'};
}
sub show_attachment_flags {
my ($self) = @_;
return $self->{'show_attachment_flags'}
if exists $self->{'show_attachment_flags'};
return 0 if $self->{'error'};
# The number of types of flags that can be set on attachments to this bug
# and the number of flags on those attachments. One of these counts must be
# greater than zero in order for the "flags" column to appear in the table
# of attachments.
my $num_attachment_flag_types = Bugzilla::FlagType::count(
{ 'target_type' => 'attachment',
'product_id' => $self->{'product_id'},
'component_id' => $self->{'component_id'} });
my $num_attachment_flags = Bugzilla::Flag::count(
{ 'target_type' => 'attachment',
'bug_id' => $self->bug_id });
$self->{'show_attachment_flags'} =
($num_attachment_flag_types || $num_attachment_flags);
return $self->{'show_attachment_flags'};
}
sub use_votes {
my ($self) = @_;
return 0 if $self->{'error'};
return Param('usevotes')
&& $::prodmaxvotes{$self->{product}} > 0;
}
sub groups {
my $self = shift;
return $self->{'groups'} if exists $self->{'groups'};
return [] if $self->{'error'};
my $dbh = Bugzilla->dbh;
my @groups;
# Some of this stuff needs to go into Bugzilla::User
# For every group, we need to know if there is ANY bug_group_map
# record putting the current bug in that group and if there is ANY
# user_group_map record putting the user in that group.
# The LEFT JOINs are checking for record existence.
#
my $grouplist = Bugzilla->user->groups_as_string;
my $sth = $dbh->prepare(
"SELECT DISTINCT groups.id, name, description," .
" CASE WHEN bug_group_map.group_id IS NOT NULL" .
" THEN 1 ELSE 0 END," .
" CASE WHEN groups.id IN($grouplist) THEN 1 ELSE 0 END," .
" isactive, membercontrol, othercontrol" .
" FROM groups" .
" LEFT JOIN bug_group_map" .
" ON bug_group_map.group_id = groups.id" .
" AND bug_id = ?" .
" LEFT JOIN group_control_map" .
" ON group_control_map.group_id = groups.id" .
" AND group_control_map.product_id = ? " .
" WHERE isbuggroup = 1" .
" ORDER BY description");
$sth->execute($self->{'bug_id'},
$self->{'product_id'});
while (my ($groupid, $name, $description, $ison, $ingroup, $isactive,
$membercontrol, $othercontrol) = $sth->fetchrow_array()) {
$membercontrol ||= 0;
# For product groups, we only want to use the group if either
# (1) The bit is set and not required, or
# (2) The group is Shown or Default for members and
# the user is a member of the group.
if ($ison ||
($isactive && $ingroup
&& (($membercontrol == CONTROLMAPDEFAULT)
|| ($membercontrol == CONTROLMAPSHOWN))
))
{
my $ismandatory = $isactive
&& ($membercontrol == CONTROLMAPMANDATORY);
push (@groups, { "bit" => $groupid,
"name" => $name,
"ison" => $ison,
"ingroup" => $ingroup,
"mandatory" => $ismandatory,
"description" => $description });
}
}
$self->{'groups'} = \@groups;
return $self->{'groups'};
}
sub user {
my $self = shift;
return $self->{'user'} if exists $self->{'user'};
return {} if $self->{'error'};
my $user = Bugzilla->user;
my $canmove = Param('move-enabled') && $user->is_mover;
# In the below, if the person hasn't logged in, then we treat them
# as if they can do anything. That's because we don't know why they
# haven't logged in; it may just be because they don't use cookies.
# Display everything as if they have all the permissions in the
# world; their permissions will get checked when they log in and
# actually try to make the change.
my $unknown_privileges = !$user->id
|| $user->in_group("editbugs");
my $canedit = $unknown_privileges
|| $user->id == $self->{assigned_to_id}
|| (Param('useqacontact')
&& $self->{'qa_contact_id'}
&& $user->id == $self->{qa_contact_id});
my $canconfirm = $unknown_privileges
|| $user->in_group("canconfirm");
my $isreporter = $user->id
&& $user->id == $self->{reporter_id};
$self->{'user'} = {canmove => $canmove,
canconfirm => $canconfirm,
canedit => $canedit,
isreporter => $isreporter};
return $self->{'user'};
}
sub choices {
my $self = shift;
return $self->{'choices'} if exists $self->{'choices'};
return {} if $self->{'error'};
&::GetVersionTable();
$self->{'choices'} = {};
$self->{prod_obj} ||= new Bugzilla::Product({name => $self->{product}});
my @prodlist = map {$_->name} @{Bugzilla->user->get_enterable_products};
# The current product is part of the popup, even if new bugs are no longer
# allowed for that product
if (lsearch(\@prodlist, $self->{'product'}) < 0) {
push(@prodlist, $self->{'product'});
@prodlist = sort @prodlist;
}
# Hack - this array contains "". See bug 106589.
my @res = grep ($_, @::settable_resolution);
$self->{'choices'} =
{
'product' => \@prodlist,
'rep_platform' => \@::legal_platform,
'priority' => \@::legal_priority,
'bug_severity' => \@::legal_severity,
'op_sys' => \@::legal_opsys,
'bug_status' => \@::legal_bug_status,
'resolution' => \@res,
'component' => [map($_->name, @{$self->{prod_obj}->components})],
'version' => [map($_->name, @{$self->{prod_obj}->versions})],
'target_milestone' => [map($_->name, @{$self->{prod_obj}->milestones})],
};
return $self->{'choices'};
}
# Convenience Function. If you need speed, use this. If you need
# other Bug fields in addition to this, just create a new Bug with
# the alias.
# Queries the database for the bug with a given alias, and returns
# the ID of the bug if it exists or the undefined value if it doesn't.
sub bug_alias_to_id {
my ($alias) = @_;
return undef unless Param("usebugaliases");
my $dbh = Bugzilla->dbh;
trick_taint($alias);
return $dbh->selectrow_array(
"SELECT bug_id FROM bugs WHERE alias = ?", undef, $alias);
}
#####################################################################
# Subroutines
#####################################################################
sub AppendComment {
my ($bugid, $whoid, $comment, $isprivate, $timestamp, $work_time) = @_;
$work_time ||= 0;
my $dbh = Bugzilla->dbh;
ValidateTime($work_time, "work_time") if $work_time;
trick_taint($work_time);
# Use the date/time we were given if possible (allowing calling code
# to synchronize the comment's timestamp with those of other records).
$timestamp ||= $dbh->selectrow_array('SELECT NOW()');
$comment =~ s/\r\n/\n/g; # Handle Windows-style line endings.
$comment =~ s/\r/\n/g; # Handle Mac-style line endings.
if ($comment =~ /^\s*$/) { # Nothin' but whitespace
return;
}
# Comments are always safe, because we always display their raw contents,
# and we use them in a placeholder below.
trick_taint($comment);
my $privacyval = $isprivate ? 1 : 0 ;
$dbh->do(q{INSERT INTO longdescs
(bug_id, who, bug_when, thetext, isprivate, work_time)
VALUES (?,?,?,?,?,?)}, undef,
($bugid, $whoid, $timestamp, $comment, $privacyval, $work_time));
$dbh->do("UPDATE bugs SET delta_ts = ? WHERE bug_id = ?",
undef, $timestamp, $bugid);
}
# This method is private and is not to be used outside of the Bug class.
sub EmitDependList {
my ($myfield, $targetfield, $bug_id) = (@_);
my $dbh = Bugzilla->dbh;
my $list_ref =
$dbh->selectcol_arrayref(
"SELECT dependencies.$targetfield
FROM dependencies, bugs
WHERE dependencies.$myfield = ?
AND bugs.bug_id = dependencies.$targetfield
ORDER BY dependencies.$targetfield",
undef, ($bug_id));
return $list_ref;
}
# Tells you whether or not the argument is a valid "open" state.
sub is_open_state {
my ($state) = @_;
return (grep($_ eq $state, BUG_STATE_OPEN) ? 1 : 0);
}
sub ValidateTime {
my ($time, $field) = @_;
# regexp verifies one or more digits, optionally followed by a period and
# zero or more digits, OR we have a period followed by one or more digits
# (allow negatives, though, so people can back out errors in time reporting)
if ($time !~ /^-?(?:\d+(?:\.\d*)?|\.\d+)$/) {
ThrowUserError("number_not_numeric",
{field => "$field", num => "$time"});
}
# Only the "work_time" field is allowed to contain a negative value.
if ( ($time < 0) && ($field ne "work_time") ) {
ThrowUserError("number_too_small",
{field => "$field", num => "$time", min_num => "0"});
}
if ($time > 99999.99) {
ThrowUserError("number_too_large",
{field => "$field", num => "$time", max_num => "99999.99"});
}
}
sub GetComments {
my ($id, $comment_sort_order) = (@_);
$comment_sort_order = $comment_sort_order ||
Bugzilla->user->settings->{'comment_sort_order'}->{'value'};
my $sort_order = ($comment_sort_order eq "oldest_to_newest") ? 'asc' : 'desc';
my $dbh = Bugzilla->dbh;
my @comments;
my $sth = $dbh->prepare(
"SELECT profiles.realname AS name, profiles.login_name AS email,
" . $dbh->sql_date_format('longdescs.bug_when', '%Y.%m.%d %H:%i:%s') . "
AS time, longdescs.thetext AS body, longdescs.work_time,
isprivate, already_wrapped
FROM longdescs, profiles
WHERE profiles.userid = longdescs.who
AND longdescs.bug_id = ?
ORDER BY longdescs.bug_when $sort_order");
$sth->execute($id);
while (my $comment_ref = $sth->fetchrow_hashref()) {
my %comment = %$comment_ref;
$comment{'email'} .= Param('emailsuffix');
$comment{'name'} = $comment{'name'} || $comment{'email'};
push (@comments, \%comment);
}
if ($comment_sort_order eq "newest_to_oldest_desc_first") {
unshift(@comments, pop @comments);
}
return \@comments;
}
# Get the activity of a bug, starting from $starttime (if given).
# This routine assumes ValidateBugID has been previously called.
sub GetBugActivity {
my ($id, $starttime) = @_;
my $dbh = Bugzilla->dbh;
# Arguments passed to the SQL query.
my @args = ($id);
# Only consider changes since $starttime, if given.
my $datepart = "";
if (defined $starttime) {
trick_taint($starttime);
push (@args, $starttime);
$datepart = "AND bugs_activity.bug_when > ?";
}
# Only includes attachments the user is allowed to see.
my $suppjoins = "";
my $suppwhere = "";
if (Param("insidergroup") && !UserInGroup(Param('insidergroup'))) {
$suppjoins = "LEFT JOIN attachments
ON attachments.attach_id = bugs_activity.attach_id";
$suppwhere = "AND COALESCE(attachments.isprivate, 0) = 0";
}
my $query = "
SELECT COALESCE(fielddefs.description, "
# This is a hack - PostgreSQL requires both COALESCE
# arguments to be of the same type, and this is the only
# way supported by both MySQL 3 and PostgreSQL to convert
# an integer to a string. MySQL 4 supports CAST.
. $dbh->sql_string_concat('bugs_activity.fieldid', q{''}) .
"), fielddefs.name, bugs_activity.attach_id, " .
$dbh->sql_date_format('bugs_activity.bug_when', '%Y.%m.%d %H:%i:%s') .
", bugs_activity.removed, bugs_activity.added, profiles.login_name
FROM bugs_activity
$suppjoins
LEFT JOIN fielddefs
ON bugs_activity.fieldid = fielddefs.fieldid
INNER JOIN profiles
ON profiles.userid = bugs_activity.who
WHERE bugs_activity.bug_id = ?
$datepart
$suppwhere
ORDER BY bugs_activity.bug_when";
my $list = $dbh->selectall_arrayref($query, undef, @args);
my @operations;
my $operation = {};
my $changes = [];
my $incomplete_data = 0;
foreach my $entry (@$list) {
my ($field, $fieldname, $attachid, $when, $removed, $added, $who) = @$entry;
my %change;
my $activity_visible = 1;
# check if the user should see this field's activity
if ($fieldname eq 'remaining_time'
|| $fieldname eq 'estimated_time'
|| $fieldname eq 'work_time'
|| $fieldname eq 'deadline')
{
$activity_visible = UserInGroup(Param('timetrackinggroup')) ? 1 : 0;
} else {
$activity_visible = 1;
}
if ($activity_visible) {
# This gets replaced with a hyperlink in the template.
$field =~ s/^Attachment// if $attachid;
# Check for the results of an old Bugzilla data corruption bug
$incomplete_data = 1 if ($added =~ /^\?/ || $removed =~ /^\?/);
# An operation, done by 'who' at time 'when', has a number of
# 'changes' associated with it.
# If this is the start of a new operation, store the data from the
# previous one, and set up the new one.
if ($operation->{'who'}
&& ($who ne $operation->{'who'}
|| $when ne $operation->{'when'}))
{
$operation->{'changes'} = $changes;
push (@operations, $operation);
# Create new empty anonymous data structures.
$operation = {};
$changes = [];
}
$operation->{'who'} = $who;
$operation->{'when'} = $when;
$change{'field'} = $field;
$change{'fieldname'} = $fieldname;
$change{'attachid'} = $attachid;
$change{'removed'} = $removed;
$change{'added'} = $added;
push (@$changes, \%change);
}
}
if ($operation->{'who'}) {
$operation->{'changes'} = $changes;
push (@operations, $operation);
}
return(\@operations, $incomplete_data);
}
# Update the bugs_activity table to reflect changes made in bugs.
sub LogActivityEntry {
my ($i, $col, $removed, $added, $whoid, $timestamp) = @_;
my $dbh = Bugzilla->dbh;
# in the case of CCs, deps, and keywords, there's a possibility that someone
# might try to add or remove a lot of them at once, which might take more
# space than the activity table allows. We'll solve this by splitting it
# into multiple entries if it's too long.
while ($removed || $added) {
my ($removestr, $addstr) = ($removed, $added);
if (length($removestr) > MAX_LINE_LENGTH) {
my $commaposition = find_wrap_point($removed, MAX_LINE_LENGTH);
$removestr = substr($removed, 0, $commaposition);
$removed = substr($removed, $commaposition);
$removed =~ s/^[,\s]+//; # remove any comma or space
} else {
$removed = ""; # no more entries
}
if (length($addstr) > MAX_LINE_LENGTH) {
my $commaposition = find_wrap_point($added, MAX_LINE_LENGTH);
$addstr = substr($added, 0, $commaposition);
$added = substr($added, $commaposition);
$added =~ s/^[,\s]+//; # remove any comma or space
} else {
$added = ""; # no more entries
}
trick_taint($addstr);
trick_taint($removestr);
my $fieldid = get_field_id($col);
$dbh->do("INSERT INTO bugs_activity
(bug_id, who, bug_when, fieldid, removed, added)
VALUES (?, ?, ?, ?, ?, ?)",
undef, ($i, $whoid, $timestamp, $fieldid, $removestr, $addstr));
}
}
# CountOpenDependencies counts the number of open dependent bugs for a
# list of bugs and returns a list of bug_id's and their dependency count
# It takes one parameter:
# - A list of bug numbers whose dependencies are to be checked
sub CountOpenDependencies {
my (@bug_list) = @_;
my @dependencies;
my $dbh = Bugzilla->dbh;
my $sth = $dbh->prepare(
"SELECT blocked, COUNT(bug_status) " .
"FROM bugs, dependencies " .
"WHERE blocked IN (" . (join "," , @bug_list) . ") " .
"AND bug_id = dependson " .
"AND bug_status IN ('" . (join "','", BUG_STATE_OPEN) . "') " .
$dbh->sql_group_by('blocked'));
$sth->execute();
while (my ($bug_id, $dependencies) = $sth->fetchrow_array()) {
push(@dependencies, { bug_id => $bug_id,
dependencies => $dependencies });
}
return @dependencies;
}
sub ValidateComment {
my ($comment) = @_;
if (defined($comment) && length($comment) > MAX_COMMENT_LENGTH) {
ThrowUserError("comment_too_long");
}
}
# If a bug is moved to a product which allows less votes per bug
# compared to the previous product, extra votes need to be removed.
sub RemoveVotes {
my ($id, $who, $reason) = (@_);
my $dbh = Bugzilla->dbh;
my $whopart = ($who) ? " AND votes.who = $who" : "";
my $sth = $dbh->prepare("SELECT profiles.login_name, " .
"profiles.userid, votes.vote_count, " .
"products.votesperuser, products.maxvotesperbug " .
"FROM profiles " .
"LEFT JOIN votes ON profiles.userid = votes.who " .
"LEFT JOIN bugs ON votes.bug_id = bugs.bug_id " .
"LEFT JOIN products ON products.id = bugs.product_id " .
"WHERE votes.bug_id = ? " . $whopart);
$sth->execute($id);
my @list;
while (my ($name, $userid, $oldvotes, $votesperuser, $maxvotesperbug) = $sth->fetchrow_array()) {
push(@list, [$name, $userid, $oldvotes, $votesperuser, $maxvotesperbug]);
}
# @messages stores all emails which have to be sent, if any.
# This array is passed to the caller which will send these emails itself.
my @messages = ();
if (scalar(@list)) {
foreach my $ref (@list) {
my ($name, $userid, $oldvotes, $votesperuser, $maxvotesperbug) = (@$ref);
my $s;
$maxvotesperbug = min($votesperuser, $maxvotesperbug);
# If this product allows voting and the user's votes are in
# the acceptable range, then don't do anything.
next if $votesperuser && $oldvotes <= $maxvotesperbug;
# If the user has more votes on this bug than this product
# allows, then reduce the number of votes so it fits
my $newvotes = $maxvotesperbug;
my $removedvotes = $oldvotes - $newvotes;
$s = ($oldvotes == 1) ? "" : "s";
my $oldvotestext = "You had $oldvotes vote$s on this bug.";
$s = ($removedvotes == 1) ? "" : "s";
my $removedvotestext = "You had $removedvotes vote$s removed from this bug.";
my $newvotestext;
if ($newvotes) {
$dbh->do("UPDATE votes SET vote_count = ? " .
"WHERE bug_id = ? AND who = ?",
undef, ($newvotes, $id, $userid));
$s = $newvotes == 1 ? "" : "s";
$newvotestext = "You still have $newvotes vote$s on this bug."
} else {
$dbh->do("DELETE FROM votes WHERE bug_id = ? AND who = ?",
undef, ($id, $userid));
$newvotestext = "You have no more votes remaining on this bug.";
}
# Notice that we did not make sure that the user fit within the $votesperuser
# range. This is considered to be an acceptable alternative to losing votes
# during product moves. Then next time the user attempts to change their votes,
# they will be forced to fit within the $votesperuser limit.
# Now lets send the e-mail to alert the user to the fact that their votes have
# been reduced or removed.
my $vars = {
'to' => $name . Param('emailsuffix'),
'bugid' => $id,
'reason' => $reason,
'votesremoved' => $removedvotes,
'votesold' => $oldvotes,
'votesnew' => $newvotes,
'votesremovedtext' => $removedvotestext,
'votesoldtext' => $oldvotestext,
'votesnewtext' => $newvotestext,
'count' => $removedvotes . "\n " . $newvotestext
};
my $msg;
my $template = Bugzilla->template;
$template->process("email/votes-removed.txt.tmpl", $vars, \$msg);
push(@messages, $msg);
}
my $votes = $dbh->selectrow_array("SELECT SUM(vote_count) " .
"FROM votes WHERE bug_id = ?",
undef, $id) || 0;
$dbh->do("UPDATE bugs SET votes = ? WHERE bug_id = ?",
undef, ($votes, $id));
}
# Now return the array containing emails to be sent.
return \@messages;
}
# If a user votes for a bug, or the number of votes required to
# confirm a bug has been reduced, check if the bug is now confirmed.
sub CheckIfVotedConfirmed {
my ($id, $who) = (@_);
my $dbh = Bugzilla->dbh;
my ($votes, $status, $everconfirmed, $votestoconfirm, $timestamp) =
$dbh->selectrow_array("SELECT votes, bug_status, everconfirmed, " .
" votestoconfirm, NOW() " .
"FROM bugs INNER JOIN products " .
" ON products.id = bugs.product_id " .
"WHERE bugs.bug_id = ?",
undef, $id);
my $ret = 0;
if ($votes >= $votestoconfirm && !$everconfirmed) {
if ($status eq 'UNCONFIRMED') {
my $fieldid = get_field_id("bug_status");
$dbh->do("UPDATE bugs SET bug_status = 'NEW', everconfirmed = 1, " .
"delta_ts = ? WHERE bug_id = ?",
undef, ($timestamp, $id));
$dbh->do("INSERT INTO bugs_activity " .
"(bug_id, who, bug_when, fieldid, removed, added) " .
"VALUES (?, ?, ?, ?, ?, ?)",
undef, ($id, $who, $timestamp, $fieldid, 'UNCONFIRMED', 'NEW'));
}
else {
$dbh->do("UPDATE bugs SET everconfirmed = 1, delta_ts = ? " .
"WHERE bug_id = ?", undef, ($timestamp, $id));
}
my $fieldid = get_field_id("everconfirmed");
$dbh->do("INSERT INTO bugs_activity " .
"(bug_id, who, bug_when, fieldid, removed, added) " .
"VALUES (?, ?, ?, ?, ?, ?)",
undef, ($id, $who, $timestamp, $fieldid, '0', '1'));
AppendComment($id, $who,
"*** This bug has been confirmed by popular vote. ***",
0, $timestamp);
$ret = 1;
}
return $ret;
}
#
# Field Validation
#
# Validates and verifies a bug ID, making sure the number is a
# positive integer, that it represents an existing bug in the
# database, and that the user is authorized to access that bug.
# We detaint the number here, too.
sub ValidateBugID {
my ($id, $field) = @_;
my $dbh = Bugzilla->dbh;
my $user = Bugzilla->user;
# Get rid of leading '#' (number) mark, if present.
$id =~ s/^\s*#//;
# Remove whitespace
$id = trim($id);
# If the ID isn't a number, it might be an alias, so try to convert it.
my $alias = $id;
if (!detaint_natural($id)) {
$id = bug_alias_to_id($alias);
$id || ThrowUserError("invalid_bug_id_or_alias",
{'bug_id' => $alias,
'field' => $field });
}
# Modify the calling code's original variable to contain the trimmed,
# converted-from-alias ID.
$_[0] = $id;
# First check that the bug exists
$dbh->selectrow_array("SELECT bug_id FROM bugs WHERE bug_id = ?", undef, $id)
|| ThrowUserError("invalid_bug_id_non_existent", {'bug_id' => $id});
return if (defined $field && ($field eq "dependson" || $field eq "blocked"));
return if $user->can_see_bug($id);
# The user did not pass any of the authorization tests, which means they
# are not authorized to see the bug. Display an error and stop execution.
# The error the user sees depends on whether or not they are logged in
# (i.e. $user->id contains the user's positive integer ID).
if ($user->id) {
ThrowUserError("bug_access_denied", {'bug_id' => $id});
} else {
ThrowUserError("bug_access_query", {'bug_id' => $id});
}
}
# ValidateBugAlias:
# Check that the bug alias is valid and not used by another bug. If
# curr_id is specified, verify the alias is not used for any other
# bug id.
sub ValidateBugAlias {
my ($alias, $curr_id) = @_;
my $dbh = Bugzilla->dbh;
$alias = trim($alias || "");
trick_taint($alias);
if ($alias eq "") {
ThrowUserError("alias_not_defined");
}
# Make sure the alias isn't too long.
if (length($alias) > 20) {
ThrowUserError("alias_too_long");
}
# Make sure the alias is unique.
my $query = "SELECT bug_id FROM bugs WHERE alias = ?";
if ($curr_id && detaint_natural($curr_id)) {
$query .= " AND bug_id != $curr_id";
}
my $id = $dbh->selectrow_array($query, undef, $alias);
my $vars = {};
$vars->{'alias'} = $alias;
if ($id) {
$vars->{'bug_id'} = $id;
ThrowUserError("alias_in_use", $vars);
}
# Make sure the alias isn't just a number.
if ($alias =~ /^\d+$/) {
ThrowUserError("alias_is_numeric", $vars);
}
# Make sure the alias has no commas or spaces.
if ($alias =~ /[, ]/) {
ThrowUserError("alias_has_comma_or_space", $vars);
}
$_[0] = $alias;
}
# Validate and return a hash of dependencies
sub ValidateDependencies {
my $fields = {};
$fields->{'dependson'} = shift;
$fields->{'blocked'} = shift;
my $id = shift || 0;
unless (defined($fields->{'dependson'})
|| defined($fields->{'blocked'}))
{
return;
}
my $dbh = Bugzilla->dbh;
my %deps;
my %deptree;
foreach my $pair (["blocked", "dependson"], ["dependson", "blocked"]) {
my ($me, $target) = @{$pair};
$deptree{$target} = [];
$deps{$target} = [];
next unless $fields->{$target};
my %seen;
foreach my $i (split('[\s,]+', $fields->{$target})) {
if ($id == $i) {
ThrowUserError("dependency_loop_single");
}
if (!exists $seen{$i}) {
push(@{$deptree{$target}}, $i);
$seen{$i} = 1;
}
}
# populate $deps{$target} as first-level deps only.
# and find remainder of dependency tree in $deptree{$target}
@{$deps{$target}} = @{$deptree{$target}};
my @stack = @{$deps{$target}};
while (@stack) {
my $i = shift @stack;
my $dep_list =
$dbh->selectcol_arrayref("SELECT $target
FROM dependencies
WHERE $me = ?", undef, $i);
foreach my $t (@$dep_list) {
# ignore any _current_ dependencies involving this bug,
# as they will be overwritten with data from the form.
if ($t != $id && !exists $seen{$t}) {
push(@{$deptree{$target}}, $t);
push @stack, $t;
$seen{$t} = 1;
}
}
}
}
my @deps = @{$deptree{'dependson'}};
my @blocks = @{$deptree{'blocked'}};
my %union = ();
my %isect = ();
foreach my $b (@deps, @blocks) { $union{$b}++ && $isect{$b}++ }
my @isect = keys %isect;
if (scalar(@isect) > 0) {
ThrowUserError("dependency_loop_multi", {'deps' => \@isect});
}
return %deps;
}
#####################################################################
# Autoloaded Accessors
#####################################################################
# Determines whether an attribute access trapped by the AUTOLOAD function
# is for a valid bug attribute. Bug attributes are properties and methods
# predefined by this module as well as bug fields for which an accessor
# can be defined by AUTOLOAD at runtime when the accessor is first accessed.
#
# XXX Strangely, some predefined attributes are on the list, but others aren't,
# and the original code didn't specify why that is. Presumably the only
# attributes that need to be on this list are those that aren't predefined;
# we should verify that and update the list accordingly.
#
sub _validate_attribute {
my ($attribute) = @_;
my @valid_attributes = (
# Miscellaneous properties and methods.
qw(error groups
longdescs milestoneurl attachments
isopened isunconfirmed
flag_types num_attachment_flag_types
show_attachment_flags any_flags_requesteeble),
# Bug fields.
Bugzilla::Bug->fields
);
return grep($attribute eq $_, @valid_attributes) ? 1 : 0;
}
sub AUTOLOAD {
use vars qw($AUTOLOAD);
my $attr = $AUTOLOAD;
$attr =~ s/.*:://;
return unless $attr=~ /[^A-Z]/;
confess("invalid bug attribute $attr") unless _validate_attribute($attr);
no strict 'refs';
*$AUTOLOAD = sub {
my $self = shift;
if (defined $self->{$attr}) {
return $self->{$attr};
} else {
return '';
}
};
goto &$AUTOLOAD;
}
1;