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#!/usr/bin/perl -wT
# -*- 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): Terry Weissman <terry@mozilla.org>
# Gervase Markham <gerv@gerv.net>
use strict;
use lib qw(.);
use File::Temp;
use Bugzilla;
use Bugzilla::Config qw(:DEFAULT $webdotdir);
require "CGI.pl";
ConnectToDatabase();
quietly_check_login();
my $cgi = Bugzilla->cgi;
# Connect to the shadow database if this installation is using one to improve
# performance.
Bugzilla->switch_to_shadow_db();
use vars qw($template $vars $userid);
my %seen;
my %edgesdone;
sub CreateImagemap {
my $mapfilename = shift;
my $map = "<map name=\"imagemap\">\n";
my $default;
open MAP, "<$mapfilename";
while(my $line = <MAP>) {
if($line =~ /^default ([^ ]*)(.*)$/) {
$default = qq{<area alt="" shape="default" href="$1">\n};
}
if ($line =~ /^rectangle \((.*),(.*)\) \((.*),(.*)\) (http[^ ]*)(.*)?$/) {
my $bugsummary = value_quote($6);
$map .= qq{<area alt="bug$bugsummary" name="bug$bugsummary" shape="rect" href="$5" coords="$1,$4,$3,$2">\n};
}
}
close MAP;
$map .= "$default</map>";
return $map;
}
sub AddLink {
my ($blocked, $dependson, $fh) = (@_);
my $key = "$blocked,$dependson";
if (!exists $edgesdone{$key}) {
$edgesdone{$key} = 1;
print $fh "$blocked -> $dependson\n";
$seen{$blocked} = 1;
$seen{$dependson} = 1;
}
}
$::FORM{'rankdir'} = "LR" if !defined $::FORM{'rankdir'};
if (!defined($::FORM{'id'}) && !defined($::FORM{'doall'})) {
ThrowCodeError("missing_bug_id");
}
my ($fh, $filename) = File::Temp::tempfile("XXXXXXXXXX",
SUFFIX => '.dot',
DIR => $webdotdir);
my $urlbase = Param('urlbase');
print $fh "digraph G {";
print $fh qq{
graph [URL="${urlbase}query.cgi", rankdir=$::FORM{'rankdir'}, size="64,64"]
node [URL="${urlbase}show_bug.cgi?id=\\N", style=filled, color=lightgrey]
};
my %baselist;
if ($::FORM{'doall'}) {
SendSQL("SELECT blocked, dependson FROM dependencies");
while (MoreSQLData()) {
my ($blocked, $dependson) = FetchSQLData();
AddLink($blocked, $dependson, $fh);
}
} else {
foreach my $i (split('[\s,]+', $::FORM{'id'})) {
$i = trim($i);
ValidateBugID($i);
$baselist{$i} = 1;
}
my @stack = keys(%baselist);
foreach my $id (@stack) {
SendSQL("SELECT blocked, dependson
FROM dependencies
WHERE blocked = $id or dependson = $id");
while (MoreSQLData()) {
my ($blocked, $dependson) = FetchSQLData();
if ($blocked != $id && !exists $seen{$blocked}) {
push @stack, $blocked;
}
if ($dependson != $id && !exists $seen{$dependson}) {
push @stack, $dependson;
}
AddLink($blocked, $dependson, $fh);
}
}
foreach my $k (keys(%baselist)) {
$seen{$k} = 1;
}
}
foreach my $k (keys(%seen)) {
my $summary = "";
my $stat;
if ($::FORM{'showsummary'}) {
if (CanSeeBug($k, $::userid)) {
SendSQL("SELECT bug_status, short_desc FROM bugs " .
"WHERE bugs.bug_id = $k");
($stat, $summary) = FetchSQLData();
$stat = "NEW" if !defined $stat;
$summary = "" if !defined $summary;
}
} else {
SendSQL("SELECT bug_status FROM bugs WHERE bug_id = $k");
$stat = FetchOneColumn();
}
my @params;
if ($summary ne "") {
$summary =~ s/([\\\"])/\\$1/g;
push(@params, qq{label="$k\\n$summary"});
}
if (exists $baselist{$k}) {
push(@params, "shape=box");
}
if (IsOpenedState($stat)) {
push(@params, "color=green");
}
if (@params) {
print $fh "$k [" . join(',', @params) . "]\n";
} else {
print $fh "$k\n";
}
}
print $fh "}\n";
close $fh;
chmod 0777, $filename;
my $webdotbase = Param('webdotbase');
if ($webdotbase =~ /^https?:/) {
# Remote dot server
my $url = PerformSubsts($webdotbase) . $filename;
$vars->{'image_url'} = $url . ".gif";
$vars->{'map_url'} = $url . ".map";
} else {
# Local dot installation
my $dotfh;
my ($pngfh, $pngfilename) = File::Temp::tempfile("XXXXXXXXXX",
SUFFIX => '.png',
DIR => $webdotdir);
open (DOT, '-|') or exec ($webdotbase, "-Tpng", $filename);
print $pngfh $_ while <DOT>;
close DOT;
close $pngfh;
$vars->{'image_url'} = $pngfilename;
my ($mapfh, $mapfilename) = File::Temp::tempfile("XXXXXXXXXX",
SUFFIX => '.map',
DIR => $webdotdir);
open (DOT, '-|') or exec ($webdotbase, "-Tismap", $filename);
print $mapfh $_ while <DOT>;
close DOT;
close $mapfh;
$vars->{'image_map'} = CreateImagemap($mapfilename);
}
# Cleanup any old .dot files created from previous runs.
my $since = time() - 24 * 60 * 60;
# Can't use glob, since even calling that fails taint checks for perl < 5.6
opendir(DIR, $webdotdir);
my @files = grep { /\.dot$|\.png$|\.map$/ && -f "$webdotdir/$_" } readdir(DIR);
closedir DIR;
foreach my $f (@files)
{
$f = "$webdotdir/$f";
# Here we are deleting all old files. All entries are from the
# $webdot directory. Since we're deleting the file (not following
# symlinks), this can't escape to delete anything it shouldn't
# (unless someone moves the location of $webdotdir, of course)
trick_taint($f);
if (ModTime($f) < $since) {
unlink $f;
}
}
$vars->{'bug_id'} = $::FORM{'id'};
$vars->{'multiple_bugs'} = ($::FORM{'id'} =~ /[ ,]/);
$vars->{'doall'} = $::FORM{'doall'};
$vars->{'rankdir'} = $::FORM{'rankdir'};
$vars->{'showsummary'} = $::FORM{'showsummary'};
# Generate and return the UI (HTML page) from the appropriate template.
print $cgi->header();
$template->process("bug/dependency-graph.html.tmpl", $vars)
|| ThrowTemplateError($template->error());
|
