pjs/webtools/bugzilla/showdependencygraph.cgi

289 строки
9.0 KiB
Perl
Executable File

#!/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::Constants;
use Bugzilla::Util;
use Bugzilla::Error;
use Bugzilla::Bug;
Bugzilla->login();
my $cgi = Bugzilla->cgi;
my $template = Bugzilla->template;
my $vars = {};
# Connect to the shadow database if this installation is using one to improve
# performance.
my $dbh = Bugzilla->switch_to_shadow_db();
local our (%seen, %edgesdone, %bugtitles);
# CreateImagemap: This sub grabs a local filename as a parameter, reads the
# dot-generated image map datafile residing in that file and turns it into
# an HTML map element. THIS SUB IS ONLY USED FOR LOCAL DOT INSTALLATIONS.
# The map datafile won't necessarily contain the bug summaries, so we'll
# pull possible HTML titles from the %bugtitles hash (filled elsewhere
# in the code)
# The dot mapdata lines have the following format (\nsummary is optional):
# rectangle (LEFTX,TOPY) (RIGHTX,BOTTOMY) URLBASE/show_bug.cgi?id=BUGNUM BUGNUM[\nSUMMARY]
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[^ ]*)(.*)?$/) {
my ($leftx, $rightx, $topy, $bottomy, $url) = ($1, $3, $2, $4, $5);
# Pick up bugid from the mapdata label field. Getting the title from
# bugtitle hash instead of mapdata allows us to get the summary even
# when showsummary is off, and also gives us status and resolution.
my ($bugid) = ($6 =~ /^\s*(\d+)/);
my $bugtitle = value_quote($bugtitles{$bugid});
$map .= qq{<area alt="bug $bugid" name="bug$bugid" shape="rect" } .
qq{title="$bugtitle" href="$url" } .
qq{coords="$leftx,$topy,$rightx,$bottomy">\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;
}
}
my $rankdir = $cgi->param('rankdir') || "LR";
my $webdotdir = bz_locations()->{'webdotdir'};
if (!defined $cgi->param('id') && !defined $cgi->param('doall')) {
ThrowCodeError("missing_bug_id");
}
my ($fh, $filename) = File::Temp::tempfile("XXXXXXXXXX",
SUFFIX => '.dot',
DIR => $webdotdir);
my $urlbase = Bugzilla->params->{'urlbase'};
print $fh "digraph G {";
print $fh qq{
graph [URL="${urlbase}query.cgi", rankdir=$rankdir]
node [URL="${urlbase}show_bug.cgi?id=\\N", style=filled, color=lightgrey]
};
my %baselist;
if ($cgi->param('doall')) {
my $dependencies = $dbh->selectall_arrayref(
"SELECT blocked, dependson FROM dependencies");
foreach my $dependency (@$dependencies) {
my ($blocked, $dependson) = @$dependency;
AddLink($blocked, $dependson, $fh);
}
} else {
foreach my $i (split('[\s,]+', $cgi->param('id'))) {
$i = trim($i);
ValidateBugID($i);
$baselist{$i} = 1;
}
my @stack = keys(%baselist);
my $sth = $dbh->prepare(
q{SELECT blocked, dependson
FROM dependencies
WHERE blocked = ? or dependson = ?});
foreach my $id (@stack) {
my $dependencies = $dbh->selectall_arrayref($sth, undef, ($id, $id));
foreach my $dependency (@$dependencies) {
my ($blocked, $dependson) = @$dependency;
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;
}
}
my $sth = $dbh->prepare(
q{SELECT bug_status, resolution, short_desc
FROM bugs
WHERE bugs.bug_id = ?});
foreach my $k (keys(%seen)) {
# Retrieve bug information from the database
my ($stat, $resolution, $summary) = $dbh->selectrow_array($sth, undef, $k);
$stat ||= 'NEW';
$resolution ||= '';
$summary ||= '';
# Resolution and summary are shown only if user can see the bug
if (!Bugzilla->user->can_see_bug($k)) {
$resolution = $summary = '';
}
$vars->{'short_desc'} = $summary if ($k eq $cgi->param('id'));
my @params;
if ($summary ne "" && $cgi->param('showsummary')) {
$summary =~ s/([\\\"])/\\$1/g;
push(@params, qq{label="$k\\n$summary"});
}
if (exists $baselist{$k}) {
push(@params, "shape=box");
}
if (is_open_state($stat)) {
push(@params, "color=green");
}
if (@params) {
print $fh "$k [" . join(',', @params) . "]\n";
} else {
print $fh "$k\n";
}
# Push the bug tooltip texts into a global hash so that
# CreateImagemap sub (used with local dot installations) can
# use them later on.
$bugtitles{$k} = trim("$stat $resolution");
# Show the bug summary in tooltips only if not shown on
# the graph and it is non-empty (the user can see the bug)
if (!$cgi->param('showsummary') && $summary ne "") {
$bugtitles{$k} .= " - $summary";
}
}
print $fh "}\n";
close $fh;
chmod 0777, $filename;
my $webdotbase = Bugzilla->params->{'webdotbase'};
if ($webdotbase =~ /^https?:/) {
# Remote dot server
my $url = perform_substs($webdotbase) . $filename;
$vars->{'image_url'} = $url . ".gif";
$vars->{'map_url'} = $url . ".map";
} else {
# Local dot installation
# First, generate the png image file from the .dot source
my ($pngfh, $pngfilename) = File::Temp::tempfile("XXXXXXXXXX",
SUFFIX => '.png',
DIR => $webdotdir);
binmode $pngfh;
open(DOT, "\"$webdotbase\" -Tpng $filename|");
binmode DOT;
print $pngfh $_ while <DOT>;
close DOT;
close $pngfh;
# On Windows $pngfilename will contain \ instead of /
$pngfilename =~ s|\\|/|g if $^O eq 'MSWin32';
$vars->{'image_url'} = $pngfilename;
# Then, generate a imagemap datafile that contains the corner data
# for drawn bug objects. Pass it on to CreateImagemap that
# turns this monster into html.
my ($mapfh, $mapfilename) = File::Temp::tempfile("XXXXXXXXXX",
SUFFIX => '.map',
DIR => $webdotdir);
binmode $mapfh;
open(DOT, "\"$webdotbase\" -Tismap $filename|");
binmode DOT;
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 (file_mod_time($f) < $since) {
unlink $f;
}
}
$vars->{'bug_id'} = $cgi->param('id');
$vars->{'multiple_bugs'} = ($cgi->param('id') =~ /[ ,]/);
$vars->{'doall'} = $cgi->param('doall');
$vars->{'rankdir'} = $rankdir;
$vars->{'showsummary'} = $cgi->param('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());