pjs/webtools/bugzilla/globals.pl

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Prolog

# -*- Mode: perl; indent-tabs-mode: nil -*-
#
# The contents of this file are subject to the Mozilla Public License
# Version 1.0 (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>
# Contains some global variables and routines used throughout bugzilla.
use diagnostics;
use strict;
use Mysql;
use Date::Format; # For time2str().
# use Carp; # for confess
# Contains the version string for the current running Bugzilla.
$::param{'version'} = '2.5';
$::dontchange = "--do_not_change--";
$::chooseone = "--Choose_one:--";
sub ConnectToDatabase {
if (!defined $::db) {
$::db = Mysql->Connect("localhost", "bugs", "bugs", "")
|| die "Can't connect to database server.";
}
}
sub SendSQL {
my ($str) = (@_);
$::currentquery = $::db->query($str)
|| die "$str: $::db_errstr";
}
sub MoreSQLData {
if (defined @::fetchahead) {
return 1;
}
if (@::fetchahead = $::currentquery->fetchrow()) {
return 1;
}
return 0;
}
sub FetchSQLData {
if (defined @::fetchahead) {
my @result = @::fetchahead;
undef @::fetchahead;
return @result;
}
return $::currentquery->fetchrow();
}
sub FetchOneColumn {
my @row = FetchSQLData();
return $row[0];
}
@::default_column_list = ("severity", "priority", "platform", "owner",
"status", "resolution", "summary");
sub AppendComment {
my ($bugid,$who,$comment) = (@_);
$comment =~ s/\r\n/\n/g; # Get rid of windows-style line endings.
$comment =~ s/\r/\n/g; # Get rid of mac-style line endings.
if ($comment =~ /^\s*$/) { # Nothin' but whitespace.
return;
}
SendSQL("select long_desc from bugs where bug_id = $bugid");
my $desc = FetchOneColumn();
my $now = time2str("%D %H:%M", time());
$desc .= "\n\n------- Additional Comments From $who $now -------\n";
$desc .= $comment;
SendSQL("update bugs set long_desc=" . SqlQuote($desc) .
" where bug_id=$bugid");
}
sub lsearch {
my ($list,$item) = (@_);
my $count = 0;
foreach my $i (@$list) {
if ($i eq $item) {
return $count;
}
$count++;
}
return -1;
}
sub Product_element {
my ($prod,$onchange) = (@_);
return make_popup("product", keys %::versions, $prod, 1, $onchange);
}
sub Component_element {
my ($comp,$prod,$onchange) = (@_);
my $componentlist;
if (! defined $::components{$prod}) {
$componentlist = [];
} else {
$componentlist = $::components{$prod};
}
my $defcomponent;
if ($comp ne "" && lsearch($componentlist, $comp) >= 0) {
$defcomponent = $comp;
} else {
$defcomponent = $componentlist->[0];
}
return make_popup("component", $componentlist, $defcomponent, 1, "");
}
sub Version_element {
my ($vers, $prod, $onchange) = (@_);
my $versionlist;
if (!defined $::versions{$prod}) {
$versionlist = [];
} else {
$versionlist = $::versions{$prod};
}
my $defversion = $versionlist->[0];
if (lsearch($versionlist,$vers) >= 0) {
$defversion = $vers;
}
return make_popup("version", $versionlist, $defversion, 1, $onchange);
}
# Generate a string which, when later interpreted by the Perl compiler, will
# be the same as the given string.
sub PerlQuote {
my ($str) = (@_);
return SqlQuote($str);
# The below was my first attempt, but I think just using SqlQuote makes more
# sense...
# $result = "'";
# $length = length($str);
# for (my $i=0 ; $i<$length ; $i++) {
# my $c = substr($str, $i, 1);
# if ($c eq "'" || $c eq '\\') {
# $result .= '\\';
# }
# $result .= $c;
# }
# $result .= "'";
# return $result;
}
# Given the name of a global variable, generate Perl code that, if later
# executed, would restore the variable to its current value.
sub GenerateCode {
my ($name) = (@_);
my $result = $name . " = ";
if ($name =~ /^\$/) {
my $value = eval($name);
if (ref($value) eq "ARRAY") {
$result .= "[" . GenerateArrayCode($value) . "]";
} else {
$result .= PerlQuote(eval($name));
}
} elsif ($name =~ /^@/) {
my @value = eval($name);
$result .= "(" . GenerateArrayCode(\@value) . ")";
} elsif ($name =~ '%') {
$result = "";
foreach my $k (sort { uc($a) cmp uc($b)} eval("keys $name")) {
$result .= GenerateCode("\$" . substr($name, 1) .
"{'" . $k . "'}");
}
return $result;
} else {
die "Can't do $name -- unacceptable variable type.";
}
$result .= ";\n";
return $result;
}
sub GenerateArrayCode {
my ($ref) = (@_);
my @list;
foreach my $i (@$ref) {
push @list, PerlQuote($i);
}
return join(',', @list);
}
sub GenerateVersionTable {
ConnectToDatabase();
SendSQL("select value, program from versions order by value");
my @line;
my %varray;
my %carray;
while (@line = FetchSQLData()) {
my ($v,$p1) = (@line);
if (!defined $::versions{$p1}) {
$::versions{$p1} = [];
}
push @{$::versions{$p1}}, $v;
$varray{$v} = 1;
}
SendSQL("select value, program from components");
while (@line = FetchSQLData()) {
my ($c,$p) = (@line);
if (!defined $::components{$p}) {
$::components{$p} = [];
}
my $ref = $::components{$p};
push @$ref, $c;
$carray{$c} = 1;
}
my $dotargetmilestone = Param("usetargetmilestone");
my $mpart = $dotargetmilestone ? ", milestoneurl" : "";
SendSQL("select product, description, disallownew$mpart from products");
while (@line = FetchSQLData()) {
my ($p, $d, $dis, $u) = (@line);
$::proddesc{$p} = $d;
if ($dis) {
# Special hack. Stomp on the description and make it "0" if we're
# not supposed to allow new bugs against this product. This is
# checked for in enter_bug.cgi.
$::proddesc{$p} = "0";
}
if ($dotargetmilestone) {
$::milestoneurl{$p} = $u;
}
}
my $cols = LearnAboutColumns("bugs");
@::log_columns = @{$cols->{"-list-"}};
foreach my $i ("bug_id", "creation_ts", "delta_ts", "long_desc") {
my $w = lsearch(\@::log_columns, $i);
if ($w >= 0) {
splice(@::log_columns, $w, 1);
}
}
@::log_columns = (sort(@::log_columns));
@::legal_priority = SplitEnumType($cols->{"priority,type"});
@::legal_severity = SplitEnumType($cols->{"bug_severity,type"});
@::legal_platform = SplitEnumType($cols->{"rep_platform,type"});
@::legal_opsys = SplitEnumType($cols->{"op_sys,type"});
@::legal_bug_status = SplitEnumType($cols->{"bug_status,type"});
@::legal_resolution = SplitEnumType($cols->{"resolution,type"});
@::legal_resolution_no_dup = @::legal_resolution;
my $w = lsearch(\@::legal_resolution_no_dup, "DUPLICATE");
if ($w >= 0) {
splice(@::legal_resolution_no_dup, $w, 1);
}
my @list = sort { uc($a) cmp uc($b)} keys(%::versions);
@::legal_product = @list;
mkdir("data", 0777);
chmod 0777, "data";
my $tmpname = "data/versioncache.$$";
open(FID, ">$tmpname") || die "Can't create $tmpname";
print FID GenerateCode('@::log_columns');
print FID GenerateCode('%::versions');
foreach my $i (@list) {
if (!defined $::components{$i}) {
$::components{$i} = "";
}
}
@::legal_versions = sort {uc($a) cmp uc($b)} keys(%varray);
print FID GenerateCode('@::legal_versions');
print FID GenerateCode('%::components');
@::legal_components = sort {uc($a) cmp uc($b)} keys(%carray);
print FID GenerateCode('@::legal_components');
foreach my $i('product', 'priority', 'severity', 'platform', 'opsys',
'bug_status', 'resolution', 'resolution_no_dup') {
print FID GenerateCode('@::legal_' . $i);
}
print FID GenerateCode('%::proddesc');
if ($dotargetmilestone) {
my $last = Param("nummilestones");
my $i;
for ($i=1 ; $i<=$last ; $i++) {
push(@::legal_target_milestone, "M$i");
}
print FID GenerateCode('@::legal_target_milestone');
print FID GenerateCode('%::milestoneurl');
}
print FID "1;\n";
close FID;
rename $tmpname, "data/versioncache" || die "Can't rename $tmpname to versioncache";
chmod 0666, "data/versioncache";
}
# Returns the modification time of a file.
sub ModTime {
my ($filename) = (@_);
my ($dev,$ino,$mode,$nlink,$uid,$gid,$rdev,$size,
$atime,$mtime,$ctime,$blksize,$blocks)
= stat($filename);
return $mtime;
}
# This proc must be called before using legal_product or the versions array.
sub GetVersionTable {
my $mtime = ModTime("data/versioncache");
if (!defined $mtime || $mtime eq "") {
$mtime = 0;
}
if (time() - $mtime > 3600) {
GenerateVersionTable();
}
require 'data/versioncache';
if (!defined %::versions) {
GenerateVersionTable();
do 'data/versioncache';
if (!defined %::versions) {
die "Can't generate version info; tell terry.";
}
}
}
sub InsertNewUser {
my ($username) = (@_);
my $password = "";
for (my $i=0 ; $i<8 ; $i++) {
$password .= substr("abcdefghijklmnopqrstuvwxyz", int(rand(26)), 1);
}
SendSQL("select bit, userregexp from groups where userregexp != ''");
my $groupset = "0";
while (MoreSQLData()) {
my @row = FetchSQLData();
if ($username =~ m/$row[1]/) {
$groupset .= "+ $row[0]"; # Silly hack to let MySQL do the math,
# not Perl, since we're dealing with 64
# bit ints here, and I don't *think* Perl
# does that.
}
}
SendSQL("insert into profiles (login_name, password, cryptpassword, groupset) values (@{[SqlQuote($username)]}, '$password', encrypt('$password'), $groupset)");
return $password;
}
sub DBID_to_name {
my ($id) = (@_);
if (!defined $::cachedNameArray{$id}) {
SendSQL("select login_name from profiles where userid = $id");
my $r = FetchOneColumn();
if ($r eq "") {
$r = "__UNKNOWN__";
}
$::cachedNameArray{$id} = $r;
}
return $::cachedNameArray{$id};
}
sub DBname_to_id {
my ($name) = (@_);
SendSQL("select userid from profiles where login_name = @{[SqlQuote($name)]}");
my $r = FetchOneColumn();
if (!defined $r || $r eq "") {
return 0;
}
return $r;
}
sub DBNameToIdAndCheck {
my ($name, $forceok) = (@_);
my $result = DBname_to_id($name);
if ($result > 0) {
return $result;
}
if ($forceok) {
InsertNewUser($name);
$result = DBname_to_id($name);
if ($result > 0) {
return $result;
}
print "Yikes; couldn't create user $name. Please report problem to " .
Param("maintainer") ."\n";
} else {
print "The name <TT>$name</TT> is not a valid username. Please hit\n";
print "the <B>Back</B> button and try again.\n";
}
exit(0);
}
sub GetLongDescription {
my ($id) = (@_);
SendSQL("select long_desc from bugs where bug_id = $id");
return FetchOneColumn();
}
sub ShowCcList {
my ($num) = (@_);
my @ccids;
my @row;
SendSQL("select who from cc where bug_id = $num");
while (@row = FetchSQLData()) {
push(@ccids, $row[0]);
}
my @result = ();
foreach my $i (@ccids) {
push @result, DBID_to_name($i);
}
return join(',', @result);
}
# Fills in a hashtable with info about the columns for the given table in the
# database. The hashtable has the following entries:
# -list- the list of column names
# <name>,type the type for the given name
sub LearnAboutColumns {
my ($table) = (@_);
my %a;
SendSQL("show columns from $table");
my @list = ();
my @row;
while (@row = FetchSQLData()) {
my ($name,$type) = (@row);
$a{"$name,type"} = $type;
push @list, $name;
}
$a{"-list-"} = \@list;
return \%a;
}
# If the above returned a enum type, take that type and parse it into the
# list of values. Assumes that enums don't ever contain an apostrophe!
sub SplitEnumType {
my ($str) = (@_);
my @result = ();
if ($str =~ /^enum\((.*)\)$/) {
my $guts = $1 . ",";
while ($guts =~ /^\'([^\']*)\',(.*)$/) {
push @result, $1;
$guts = $2;
}
}
return @result;
}
# This routine is largely copied from Mysql.pm.
sub SqlQuote {
my ($str) = (@_);
# if (!defined $str) {
# confess("Undefined passed to SqlQuote");
# }
$str =~ s/([\\\'])/\\$1/g;
$str =~ s/\0/\\0/g;
return "'$str'";
}
sub UserInGroup {
my ($groupname) = (@_);
if ($::usergroupset eq "0") {
return 0;
}
ConnectToDatabase();
SendSQL("select (bit & $::usergroupset) != 0 from groups where name = " . SqlQuote($groupname));
my $bit = FetchOneColumn();
if ($bit) {
return 1;
}
return 0;
}
sub Param {
my ($value) = (@_);
if (defined $::param{$value}) {
return $::param{$value};
}
# Um, maybe we haven't sourced in the params at all yet.
if (stat("data/params")) {
# Write down and restore the version # here. That way, we get around
# anyone who maliciously tries to tweak the version number by editing
# the params file. Not to mention that in 2.0, there was a bug that
# wrote the version number out to the params file...
my $v = $::param{'version'};
require "data/params";
$::param{'version'} = $v;
}
if (defined $::param{$value}) {
return $::param{$value};
}
# Well, that didn't help. Maybe it's a new param, and the user
# hasn't defined anything for it. Try and load a default value
# for it.
require "defparams.pl";
WriteParams();
if (defined $::param{$value}) {
return $::param{$value};
}
# We're pimped.
die "Can't find param named $value";
}
sub PerformSubsts {
my ($str, $substs) = (@_);
$str =~ s/%([a-z]*)%/(defined $substs->{$1} ? $substs->{$1} : Param($1))/eg;
return $str;
}
# Trim whitespace from front and back.
sub trim {
($_) = (@_);
s/^\s+//g;
s/\s+$//g;
return $_;
}
1;