741d40d875
to use constants instead of local variables. Also, change the permissions so that they are stricter in general, and work better under suexec. This also fixes the problem that dependency graphs didn't work under suexec, and adds a "web" directory by default to Extensions created with extension/create.pl. r=mkanat, a=mkanat (module owner) git-svn-id: svn://10.0.0.236/trunk@260580 18797224-902f-48f8-a5cc-f745e15eee43
346 lines
12 KiB
Perl
Executable File
346 lines
12 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): Terry Weissman <terry@mozilla.org>
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# Gervase Markham <gerv@gerv.net>
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use strict;
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use lib qw(. lib);
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use File::Temp;
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use Bugzilla;
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use Bugzilla::Constants;
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use Bugzilla::Install::Filesystem;
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use Bugzilla::Util;
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use Bugzilla::Error;
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use Bugzilla::Bug;
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use Bugzilla::Status;
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Bugzilla->login();
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my $cgi = Bugzilla->cgi;
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my $template = Bugzilla->template;
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my $vars = {};
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# Connect to the shadow database if this installation is using one to improve
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# performance.
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my $dbh = Bugzilla->switch_to_shadow_db();
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local our (%seen, %edgesdone, %bugtitles);
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# CreateImagemap: This sub grabs a local filename as a parameter, reads the
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# dot-generated image map datafile residing in that file and turns it into
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# an HTML map element. THIS SUB IS ONLY USED FOR LOCAL DOT INSTALLATIONS.
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# The map datafile won't necessarily contain the bug summaries, so we'll
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# pull possible HTML titles from the %bugtitles hash (filled elsewhere
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# in the code)
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# The dot mapdata lines have the following format (\nsummary is optional):
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# rectangle (LEFTX,TOPY) (RIGHTX,BOTTOMY) URLBASE/show_bug.cgi?id=BUGNUM BUGNUM[\nSUMMARY]
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sub CreateImagemap {
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my $mapfilename = shift;
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my $map = "<map name=\"imagemap\">\n";
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my $default = "";
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open MAP, "<$mapfilename";
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while(my $line = <MAP>) {
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if($line =~ /^default ([^ ]*)(.*)$/) {
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$default = qq{<area alt="" shape="default" href="$1">\n};
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}
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if ($line =~ /^rectangle \((.*),(.*)\) \((.*),(.*)\) (http[^ ]*) (\d+)(\\n.*)?$/) {
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my ($leftx, $rightx, $topy, $bottomy, $url, $bugid) = ($1, $3, $2, $4, $5, $6);
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# Pick up bugid from the mapdata label field. Getting the title from
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# bugtitle hash instead of mapdata allows us to get the summary even
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# when showsummary is off, and also gives us status and resolution.
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my $bugtitle = html_quote(clean_text($bugtitles{$bugid}));
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$map .= qq{<area alt="bug $bugid" name="bug$bugid" shape="rect" } .
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qq{title="$bugtitle" href="$url" } .
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qq{coords="$leftx,$topy,$rightx,$bottomy">\n};
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}
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}
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close MAP;
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$map .= "$default</map>";
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return $map;
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}
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sub AddLink {
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my ($blocked, $dependson, $fh) = (@_);
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my $key = "$blocked,$dependson";
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if (!exists $edgesdone{$key}) {
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$edgesdone{$key} = 1;
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print $fh "$dependson -> $blocked\n";
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$seen{$blocked} = 1;
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$seen{$dependson} = 1;
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}
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}
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# The list of valid directions. Some are not proposed in the dropdrown
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# menu despite the fact that they are valid.
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my @valid_rankdirs = ('LR', 'RL', 'TB', 'BT');
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my $rankdir = $cgi->param('rankdir') || 'TB';
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# Make sure the submitted 'rankdir' value is valid.
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if (!grep { $_ eq $rankdir } @valid_rankdirs) {
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$rankdir = 'TB';
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}
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my $display = $cgi->param('display') || 'tree';
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my $webdotdir = bz_locations()->{'webdotdir'};
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if (!defined $cgi->param('id') && $display ne 'doall') {
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ThrowCodeError("missing_bug_id");
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}
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my ($fh, $filename) = File::Temp::tempfile("XXXXXXXXXX",
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SUFFIX => '.dot',
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DIR => $webdotdir,
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UNLINK => 1);
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chmod Bugzilla::Install::Filesystem::CGI_WRITE, $filename
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or warn install_string('chmod_failed', { path => $filename,
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error => $! });
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my $urlbase = Bugzilla->params->{'urlbase'};
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print $fh "digraph G {";
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print $fh qq{
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graph [URL="${urlbase}query.cgi", rankdir=$rankdir]
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node [URL="${urlbase}show_bug.cgi?id=\\N", style=filled, color=lightgrey]
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};
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my %baselist;
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if ($display eq 'doall') {
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my $dependencies = $dbh->selectall_arrayref(
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"SELECT blocked, dependson FROM dependencies");
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foreach my $dependency (@$dependencies) {
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my ($blocked, $dependson) = @$dependency;
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AddLink($blocked, $dependson, $fh);
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}
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} else {
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foreach my $i (split('[\s,]+', $cgi->param('id'))) {
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my $bug = Bugzilla::Bug->check($i);
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$baselist{$bug->id} = 1;
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}
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my @stack = keys(%baselist);
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if ($display eq 'web') {
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my $sth = $dbh->prepare(q{SELECT blocked, dependson
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FROM dependencies
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WHERE blocked = ? OR dependson = ?});
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foreach my $id (@stack) {
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my $dependencies = $dbh->selectall_arrayref($sth, undef, ($id, $id));
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foreach my $dependency (@$dependencies) {
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my ($blocked, $dependson) = @$dependency;
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if ($blocked != $id && !exists $seen{$blocked}) {
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push @stack, $blocked;
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}
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if ($dependson != $id && !exists $seen{$dependson}) {
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push @stack, $dependson;
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}
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AddLink($blocked, $dependson, $fh);
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}
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}
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}
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# This is the default: a tree instead of a spider web.
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else {
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my @blocker_stack = @stack;
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foreach my $id (@blocker_stack) {
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my $blocker_ids = Bugzilla::Bug::EmitDependList('blocked', 'dependson', $id);
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foreach my $blocker_id (@$blocker_ids) {
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push(@blocker_stack, $blocker_id) unless $seen{$blocker_id};
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AddLink($id, $blocker_id, $fh);
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}
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}
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my @dependent_stack = @stack;
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foreach my $id (@dependent_stack) {
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my $dep_bug_ids = Bugzilla::Bug::EmitDependList('dependson', 'blocked', $id);
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foreach my $dep_bug_id (@$dep_bug_ids) {
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push(@dependent_stack, $dep_bug_id) unless $seen{$dep_bug_id};
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AddLink($dep_bug_id, $id, $fh);
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}
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}
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}
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foreach my $k (keys(%baselist)) {
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$seen{$k} = 1;
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}
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}
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my $sth = $dbh->prepare(
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q{SELECT bug_status, resolution, short_desc
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FROM bugs
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WHERE bugs.bug_id = ?});
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foreach my $k (keys(%seen)) {
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# Retrieve bug information from the database
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my ($stat, $resolution, $summary) = $dbh->selectrow_array($sth, undef, $k);
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$stat ||= 'NEW';
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$resolution ||= '';
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$summary ||= '';
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# Resolution and summary are shown only if user can see the bug
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if (!Bugzilla->user->can_see_bug($k)) {
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$resolution = $summary = '';
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}
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$vars->{'short_desc'} = $summary if ($k eq $cgi->param('id'));
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my @params;
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if ($summary ne "" && $cgi->param('showsummary')) {
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# Wide characters cause GraphViz to die.
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if (Bugzilla->params->{'utf8'}) {
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utf8::encode($summary) if utf8::is_utf8($summary);
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}
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$summary =~ s/([\\\"])/\\$1/g;
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push(@params, qq{label="$k\\n$summary"});
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}
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if (exists $baselist{$k}) {
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push(@params, "shape=box");
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}
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if (is_open_state($stat)) {
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push(@params, "color=green");
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}
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if (@params) {
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print $fh "$k [" . join(',', @params) . "]\n";
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} else {
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print $fh "$k\n";
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}
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# Push the bug tooltip texts into a global hash so that
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# CreateImagemap sub (used with local dot installations) can
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# use them later on.
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$bugtitles{$k} = trim("$stat $resolution");
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# Show the bug summary in tooltips only if not shown on
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# the graph and it is non-empty (the user can see the bug)
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if (!$cgi->param('showsummary') && $summary ne "") {
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$bugtitles{$k} .= " - $summary";
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}
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}
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print $fh "}\n";
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close $fh;
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my $webdotbase = Bugzilla->params->{'webdotbase'};
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if ($webdotbase =~ /^https?:/) {
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# Remote dot server. We don't hardcode 'urlbase' here in case
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# 'sslbase' is in use.
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$webdotbase =~ s/%([a-z]*)%/Bugzilla->params->{$1}/eg;
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my $url = $webdotbase . $filename;
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$vars->{'image_url'} = $url . ".gif";
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$vars->{'map_url'} = $url . ".map";
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} else {
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# Local dot installation
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# First, generate the png image file from the .dot source
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my ($pngfh, $pngfilename) = File::Temp::tempfile("XXXXXXXXXX",
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SUFFIX => '.png',
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DIR => $webdotdir);
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chmod Bugzilla::Install::Filesystem::WS_SERVE, $pngfilename
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or warn install_string('chmod_failed', { path => $pngfilename,
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error => $! });
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binmode $pngfh;
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open(DOT, "\"$webdotbase\" -Tpng $filename|");
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binmode DOT;
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print $pngfh $_ while <DOT>;
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close DOT;
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close $pngfh;
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# On Windows $pngfilename will contain \ instead of /
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$pngfilename =~ s|\\|/|g if ON_WINDOWS;
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# Under mod_perl, pngfilename will have an absolute path, and we
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# need to make that into a relative path.
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my $cgi_root = bz_locations()->{cgi_path};
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$pngfilename =~ s#^\Q$cgi_root\E/?##;
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$vars->{'image_url'} = $pngfilename;
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# Then, generate a imagemap datafile that contains the corner data
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# for drawn bug objects. Pass it on to CreateImagemap that
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# turns this monster into html.
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my ($mapfh, $mapfilename) = File::Temp::tempfile("XXXXXXXXXX",
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SUFFIX => '.map',
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DIR => $webdotdir);
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chmod Bugzilla::Install::Filesystem::WS_SERVE, $mapfilename
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or warn install_string('chmod_failed', { path => $mapfilename,
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error => $! });
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binmode $mapfh;
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open(DOT, "\"$webdotbase\" -Tismap $filename|");
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binmode DOT;
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print $mapfh $_ while <DOT>;
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close DOT;
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close $mapfh;
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$vars->{'image_map'} = CreateImagemap($mapfilename);
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}
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# Cleanup any old .dot files created from previous runs.
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my $since = time() - 24 * 60 * 60;
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# Can't use glob, since even calling that fails taint checks for perl < 5.6
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opendir(DIR, $webdotdir);
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my @files = grep { /\.dot$|\.png$|\.map$/ && -f "$webdotdir/$_" } readdir(DIR);
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closedir DIR;
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foreach my $f (@files)
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{
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$f = "$webdotdir/$f";
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# Here we are deleting all old files. All entries are from the
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# $webdot directory. Since we're deleting the file (not following
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# symlinks), this can't escape to delete anything it shouldn't
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# (unless someone moves the location of $webdotdir, of course)
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trick_taint($f);
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if (file_mod_time($f) < $since) {
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unlink $f;
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}
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}
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# Make sure we only include valid integers (protects us from XSS attacks).
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my @bugs = grep(detaint_natural($_), split(/[\s,]+/, $cgi->param('id')));
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$vars->{'bug_id'} = join(', ', @bugs);
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$vars->{'multiple_bugs'} = ($cgi->param('id') =~ /[ ,]/);
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$vars->{'display'} = $display;
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$vars->{'rankdir'} = $rankdir;
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$vars->{'showsummary'} = $cgi->param('showsummary');
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# Generate and return the UI (HTML page) from the appropriate template.
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print $cgi->header();
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$template->process("bug/dependency-graph.html.tmpl", $vars)
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|| ThrowTemplateError($template->error());
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