mirror of
https://github.com/mozilla/gecko-dev.git
synced 2024-11-06 09:05:45 +00:00
03983eb854
Patch by Marc Schumann <wurblzap@gmail.com>, r=justdave, r(char list)=smontagu, a=justdave
642 lines
22 KiB
Perl
642 lines
22 KiB
Perl
# -*- 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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# Dan Mosedale <dmose@mozilla.org>
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# Jacob Steenhagen <jake@bugzilla.org>
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# Bradley Baetz <bbaetz@student.usyd.edu.au>
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# Christopher Aillon <christopher@aillon.com>
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# Tobias Burnus <burnus@net-b.de>
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# Myk Melez <myk@mozilla.org>
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# Max Kanat-Alexander <mkanat@bugzilla.org>
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# Frédéric Buclin <LpSolit@gmail.com>
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# Greg Hendricks <ghendricks@novell.com>
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package Bugzilla::Template;
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use strict;
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use Bugzilla::Constants;
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use Bugzilla::Config qw(:DEFAULT $templatedir $datadir $project);
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use Bugzilla::Util;
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use Bugzilla::User;
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use Bugzilla::Error;
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use MIME::Base64;
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# for time2str - replace by TT Date plugin??
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use Date::Format ();
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use base qw(Template);
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# Convert the constants in the Bugzilla::Constants module into a hash we can
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# pass to the template object for reflection into its "constants" namespace
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# (which is like its "variables" namespace, but for constants). To do so, we
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# traverse the arrays of exported and exportable symbols, pulling out functions
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# (which is how Perl implements constants) and ignoring the rest (which, if
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# Constants.pm exports only constants, as it should, will be nothing else).
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use Bugzilla::Constants ();
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my %constants;
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foreach my $constant (@Bugzilla::Constants::EXPORT,
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@Bugzilla::Constants::EXPORT_OK)
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{
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if (defined &{$Bugzilla::Constants::{$constant}}) {
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# Constants can be lists, and we can't know whether we're getting
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# a scalar or a list in advance, since they come to us as the return
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# value of a function call, so we have to retrieve them all in list
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# context into anonymous arrays, then extract the scalar ones (i.e.
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# the ones whose arrays contain a single element) from their arrays.
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$constants{$constant} = [&{$Bugzilla::Constants::{$constant}}];
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if (scalar(@{$constants{$constant}}) == 1) {
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$constants{$constant} = @{$constants{$constant}}[0];
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}
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}
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}
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# XXX - mod_perl
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my $template_include_path;
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# Make an ordered list out of a HTTP Accept-Language header see RFC 2616, 14.4
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# We ignore '*' and <language-range>;q=0
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# For languages with the same priority q the order remains unchanged.
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sub sortAcceptLanguage {
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sub sortQvalue { $b->{'qvalue'} <=> $a->{'qvalue'} }
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my $accept_language = $_[0];
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# clean up string.
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$accept_language =~ s/[^A-Za-z;q=0-9\.\-,]//g;
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my @qlanguages;
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my @languages;
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foreach(split /,/, $accept_language) {
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if (m/([A-Za-z\-]+)(?:;q=(\d(?:\.\d+)))?/) {
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my $lang = $1;
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my $qvalue = $2;
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$qvalue = 1 if not defined $qvalue;
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next if $qvalue == 0;
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$qvalue = 1 if $qvalue > 1;
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push(@qlanguages, {'qvalue' => $qvalue, 'language' => $lang});
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}
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}
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return map($_->{'language'}, (sort sortQvalue @qlanguages));
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}
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# Returns the path to the templates based on the Accept-Language
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# settings of the user and of the available languages
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# If no Accept-Language is present it uses the defined default
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sub getTemplateIncludePath {
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# Return cached value if available
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# XXXX - mod_perl!
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if ($template_include_path) {
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return $template_include_path;
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}
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my $languages = trim(Param('languages'));
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if (not ($languages =~ /,/)) {
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if ($project) {
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$template_include_path = [
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"$templatedir/$languages/$project",
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"$templatedir/$languages/custom",
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"$templatedir/$languages/extension",
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"$templatedir/$languages/default"
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];
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} else {
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$template_include_path = [
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"$templatedir/$languages/custom",
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"$templatedir/$languages/extension",
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"$templatedir/$languages/default"
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];
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}
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return $template_include_path;
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}
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my @languages = sortAcceptLanguage($languages);
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my @accept_language = sortAcceptLanguage($ENV{'HTTP_ACCEPT_LANGUAGE'} || "" );
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my @usedlanguages;
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foreach my $lang (@accept_language) {
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# Per RFC 1766 and RFC 2616 any language tag matches also its
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# primary tag. That is 'en' (accept lanuage) matches 'en-us',
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# 'en-uk' etc. but not the otherway round. (This is unfortunally
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# not very clearly stated in those RFC; see comment just over 14.5
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# in http://www.w3.org/Protocols/rfc2616/rfc2616-sec14.html#sec14.4)
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if(my @found = grep /^\Q$lang\E(-.+)?$/i, @languages) {
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push (@usedlanguages, @found);
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}
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}
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push(@usedlanguages, Param('defaultlanguage'));
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if ($project) {
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$template_include_path = [
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map((
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"$templatedir/$_/$project",
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"$templatedir/$_/custom",
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"$templatedir/$_/extension",
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"$templatedir/$_/default"
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), @usedlanguages
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)
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];
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} else {
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$template_include_path = [
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map((
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"$templatedir/$_/custom",
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"$templatedir/$_/extension",
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"$templatedir/$_/default"
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), @usedlanguages
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)
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];
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}
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return $template_include_path;
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}
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sub put_header {
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my $self = shift;
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my $vars = {};
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($vars->{'title'}, $vars->{'h1'}, $vars->{'h2'}) = (@_);
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$self->process("global/header.html.tmpl", $vars)
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|| ThrowTemplateError($self->error());
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$vars->{'header_done'} = 1;
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}
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sub put_footer {
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my $self = shift;
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$self->process("global/footer.html.tmpl")
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|| ThrowTemplateError($self->error());
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}
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sub get_format {
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my $self = shift;
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my ($template, $format, $ctype) = @_;
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$ctype ||= 'html';
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$format ||= '';
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# Security - allow letters and a hyphen only
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$ctype =~ s/[^a-zA-Z\-]//g;
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$format =~ s/[^a-zA-Z\-]//g;
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trick_taint($ctype);
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trick_taint($format);
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$template .= ($format ? "-$format" : "");
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$template .= ".$ctype.tmpl";
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# Now check that the template actually exists. We only want to check
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# if the template exists; any other errors (eg parse errors) will
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# end up being detected later.
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eval {
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$self->context->template($template);
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};
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# This parsing may seem fragile, but its OK:
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# http://lists.template-toolkit.org/pipermail/templates/2003-March/004370.html
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# Even if it is wrong, any sort of error is going to cause a failure
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# eventually, so the only issue would be an incorrect error message
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if ($@ && $@->info =~ /: not found$/) {
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ThrowUserError('format_not_found', {'format' => $format,
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'ctype' => $ctype});
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}
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# Else, just return the info
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return
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{
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'template' => $template,
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'extension' => $ctype,
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'ctype' => Bugzilla::Constants::contenttypes->{$ctype}
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};
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}
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###############################################################################
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# Templatization Code
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# The Template Toolkit throws an error if a loop iterates >1000 times.
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# We want to raise that limit.
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# NOTE: If you change this number, you MUST RE-RUN checksetup.pl!!!
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# If you do not re-run checksetup.pl, the change you make will not apply
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$Template::Directive::WHILE_MAX = 1000000;
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# Use the Toolkit Template's Stash module to add utility pseudo-methods
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# to template variables.
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use Template::Stash;
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# Add "contains***" methods to list variables that search for one or more
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# items in a list and return boolean values representing whether or not
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# one/all/any item(s) were found.
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$Template::Stash::LIST_OPS->{ contains } =
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sub {
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my ($list, $item) = @_;
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return grep($_ eq $item, @$list);
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};
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$Template::Stash::LIST_OPS->{ containsany } =
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sub {
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my ($list, $items) = @_;
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foreach my $item (@$items) {
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return 1 if grep($_ eq $item, @$list);
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}
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return 0;
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};
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# Allow us to still get the scalar if we use the list operation ".0" on it,
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# as we often do for defaults in query.cgi and other places.
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$Template::Stash::SCALAR_OPS->{ 0 } =
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sub {
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return $_[0];
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};
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# Add a "substr" method to the Template Toolkit's "scalar" object
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# that returns a substring of a string.
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$Template::Stash::SCALAR_OPS->{ substr } =
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sub {
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my ($scalar, $offset, $length) = @_;
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return substr($scalar, $offset, $length);
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};
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# Add a "truncate" method to the Template Toolkit's "scalar" object
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# that truncates a string to a certain length.
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$Template::Stash::SCALAR_OPS->{ truncate } =
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sub {
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my ($string, $length, $ellipsis) = @_;
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$ellipsis ||= "";
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return $string if !$length || length($string) <= $length;
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my $strlen = $length - length($ellipsis);
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my $newstr = substr($string, 0, $strlen) . $ellipsis;
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return $newstr;
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};
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# Create the template object that processes templates and specify
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# configuration parameters that apply to all templates.
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###############################################################################
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# Construct the Template object
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# Note that all of the failure cases here can't use templateable errors,
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# since we won't have a template to use...
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sub create {
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my $class = shift;
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my %opts = @_;
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# checksetup.pl will call us once for any template/lang directory.
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# We need a possibility to reset the cache, so that no files from
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# the previous language pollute the action.
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if ($opts{'clean_cache'}) {
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$template_include_path = undef;
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}
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# IMPORTANT - If you make any configuration changes here, make sure to
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# make them in t/004.template.t and checksetup.pl.
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return $class->new({
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# Colon-separated list of directories containing templates.
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INCLUDE_PATH => [\&getTemplateIncludePath],
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# Remove white-space before template directives (PRE_CHOMP) and at the
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# beginning and end of templates and template blocks (TRIM) for better
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# looking, more compact content. Use the plus sign at the beginning
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# of directives to maintain white space (i.e. [%+ DIRECTIVE %]).
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PRE_CHOMP => 1,
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TRIM => 1,
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COMPILE_DIR => "$datadir/template",
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# Initialize templates (f.e. by loading plugins like Hook).
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PRE_PROCESS => "global/initialize.none.tmpl",
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# Functions for processing text within templates in various ways.
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# IMPORTANT! When adding a filter here that does not override a
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# built-in filter, please also add a stub filter to t/004template.t.
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FILTERS => {
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# Render text in required style.
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inactive => [
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sub {
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my($context, $isinactive) = @_;
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return sub {
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return $isinactive ? '<span class="bz_inactive">'.$_[0].'</span>' : $_[0];
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}
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}, 1
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],
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closed => [
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sub {
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my($context, $isclosed) = @_;
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return sub {
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return $isclosed ? '<span class="bz_closed">'.$_[0].'</span>' : $_[0];
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}
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}, 1
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],
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obsolete => [
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sub {
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my($context, $isobsolete) = @_;
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return sub {
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return $isobsolete ? '<span class="bz_obsolete">'.$_[0].'</span>' : $_[0];
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}
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}, 1
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],
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# Returns the text with backslashes, single/double quotes,
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# and newlines/carriage returns escaped for use in JS strings.
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js => sub {
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my ($var) = @_;
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$var =~ s/([\\\'\"\/])/\\$1/g;
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$var =~ s/\n/\\n/g;
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$var =~ s/\r/\\r/g;
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$var =~ s/\@/\\x40/g; # anti-spam for email addresses
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return $var;
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},
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# Converts data to base64
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base64 => sub {
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my ($data) = @_;
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return encode_base64($data);
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},
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# HTML collapses newlines in element attributes to a single space,
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# so form elements which may have whitespace (ie comments) need
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# to be encoded using 
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# See bugs 4928, 22983 and 32000 for more details
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html_linebreak => sub {
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my ($var) = @_;
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$var =~ s/\r\n/\
/g;
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$var =~ s/\n\r/\
/g;
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$var =~ s/\r/\
/g;
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$var =~ s/\n/\
/g;
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return $var;
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},
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# Prevents line break on hyphens and whitespaces.
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no_break => sub {
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my ($var) = @_;
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$var =~ s/ /\ /g;
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$var =~ s/-/\‑/g;
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return $var;
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},
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xml => \&Bugzilla::Util::xml_quote ,
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# This filter escapes characters in a variable or value string for
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# use in a query string. It escapes all characters NOT in the
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# regex set: [a-zA-Z0-9_\-.]. The 'uri' filter should be used for
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# a full URL that may have characters that need encoding.
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url_quote => \&Bugzilla::Util::url_quote ,
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# This filter is similar to url_quote but used a \ instead of a %
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# as prefix. In addition it replaces a ' ' by a '_'.
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css_class_quote => \&Bugzilla::Util::css_class_quote ,
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quoteUrls => [ sub {
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my ($context, $bug) = @_;
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return sub {
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my $text = shift;
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return &::quoteUrls($text, $bug);
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};
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},
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1
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],
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bug_link => [ sub {
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my ($context, $bug) = @_;
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return sub {
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my $text = shift;
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return &::GetBugLink($bug, $text);
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};
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},
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1
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],
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# In CSV, quotes are doubled, and any value containing a quote or a
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# comma is enclosed in quotes.
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csv => sub
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{
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my ($var) = @_;
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$var =~ s/\"/\"\"/g;
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if ($var !~ /^-?(\d+\.)?\d*$/) {
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$var = "\"$var\"";
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}
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return $var;
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} ,
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# Format a filesize in bytes to a human readable value
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unitconvert => sub
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{
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my ($data) = @_;
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my $retval = "";
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my %units = (
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'KB' => 1024,
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'MB' => 1024 * 1024,
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'GB' => 1024 * 1024 * 1024,
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);
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if ($data < 1024) {
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return "$data bytes";
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}
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else {
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my $u;
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foreach $u ('GB', 'MB', 'KB') {
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if ($data >= $units{$u}) {
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return sprintf("%.2f %s", $data/$units{$u}, $u);
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}
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}
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}
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},
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# Format a time for display (more info in Bugzilla::Util)
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time => \&Bugzilla::Util::format_time,
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# Bug 120030: Override html filter to obscure the '@' in user
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# visible strings.
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# Bug 319331: Handle BiDi disruptions.
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html => sub {
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my ($var) = Template::Filters::html_filter(@_);
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# Obscure '@'.
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$var =~ s/\@/\@/g;
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if (Param('utf8')) {
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# Remove the following characters because they're
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# influencing BiDi:
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# --------------------------------------------------------
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# |Code |Name |UTF-8 representation|
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# |------|--------------------------|--------------------|
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# |U+202a|Left-To-Right Embedding |0xe2 0x80 0xaa |
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# |U+202b|Right-To-Left Embedding |0xe2 0x80 0xab |
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# |U+202c|Pop Directional Formatting|0xe2 0x80 0xac |
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# |U+202d|Left-To-Right Override |0xe2 0x80 0xad |
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# |U+202e|Right-To-Left Override |0xe2 0x80 0xae |
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# --------------------------------------------------------
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#
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# The following are characters influencing BiDi, too, but
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# they can be spared from filtering because they don't
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# influence more than one character right or left:
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# --------------------------------------------------------
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# |Code |Name |UTF-8 representation|
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# |------|--------------------------|--------------------|
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# |U+200e|Left-To-Right Mark |0xe2 0x80 0x8e |
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# |U+200f|Right-To-Left Mark |0xe2 0x80 0x8f |
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# --------------------------------------------------------
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#
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# Do the replacing in a loop so that we don't get tricked
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# by stuff like 0xe2 0xe2 0x80 0xae 0x80 0xae.
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while ($var =~ s/\xe2\x80(\xaa|\xab|\xac|\xad|\xae)//g) {
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}
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}
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return $var;
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},
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# iCalendar contentline filter
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ics => [ sub {
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my ($context, @args) = @_;
|
|
return sub {
|
|
my ($var) = shift;
|
|
my ($par) = shift @args;
|
|
my ($output) = "";
|
|
|
|
$var =~ s/[\r\n]/ /g;
|
|
$var =~ s/([;\\\"])/\\$1/g;
|
|
|
|
if ($par) {
|
|
$output = sprintf("%s:%s", $par, $var);
|
|
} else {
|
|
$output = $var;
|
|
}
|
|
|
|
$output =~ s/(.{75,75})/$1\n /g;
|
|
|
|
return $output;
|
|
};
|
|
},
|
|
1
|
|
],
|
|
|
|
# Wrap a displayed comment to the appropriate length
|
|
wrap_comment => \&Bugzilla::Util::wrap_comment,
|
|
|
|
# We force filtering of every variable in key security-critical
|
|
# places; we have a none filter for people to use when they
|
|
# really, really don't want a variable to be changed.
|
|
none => sub { return $_[0]; } ,
|
|
},
|
|
|
|
PLUGIN_BASE => 'Bugzilla::Template::Plugin',
|
|
|
|
CONSTANTS => \%constants,
|
|
|
|
# Default variables for all templates
|
|
VARIABLES => {
|
|
# Function for retrieving global parameters.
|
|
'Param' => \&Bugzilla::Config::Param,
|
|
|
|
# Function to create date strings
|
|
'time2str' => \&Date::Format::time2str,
|
|
|
|
# Generic linear search function
|
|
'lsearch' => \&Bugzilla::Util::lsearch,
|
|
|
|
# Currently logged in user, if any
|
|
# If an sudo session is in progress, this is the user we're faking
|
|
'user' => sub { return Bugzilla->user; },
|
|
|
|
# If an sudo session is in progress, this is the user who
|
|
# started the session.
|
|
'sudoer' => sub { return Bugzilla->sudoer; },
|
|
|
|
# UserInGroup. Deprecated - use the user.* functions instead
|
|
'UserInGroup' => \&Bugzilla::User::UserInGroup,
|
|
|
|
# SendBugMail - sends mail about a bug, using Bugzilla::BugMail.pm
|
|
'SendBugMail' => sub {
|
|
my ($id, $mailrecipients) = (@_);
|
|
require Bugzilla::BugMail;
|
|
Bugzilla::BugMail::Send($id, $mailrecipients);
|
|
},
|
|
|
|
# Bugzilla version
|
|
# This could be made a ref, or even a CONSTANT with TT2.08
|
|
'VERSION' => $Bugzilla::Config::VERSION ,
|
|
},
|
|
|
|
}) || die("Template creation failed: " . $class->error());
|
|
}
|
|
|
|
1;
|
|
|
|
__END__
|
|
|
|
=head1 NAME
|
|
|
|
Bugzilla::Template - Wrapper around the Template Toolkit C<Template> object
|
|
|
|
=head1 SYNOPSIS
|
|
|
|
my $template = Bugzilla::Template->create;
|
|
|
|
$template->put_header($title, $h1, $h2);
|
|
$template->put_footer();
|
|
|
|
my $format = $template->get_format("foo/bar",
|
|
scalar($cgi->param('format')),
|
|
scalar($cgi->param('ctype')));
|
|
|
|
=head1 DESCRIPTION
|
|
|
|
This is basically a wrapper so that the correct arguments get passed into
|
|
the C<Template> constructor.
|
|
|
|
It should not be used directly by scripts or modules - instead, use
|
|
C<Bugzilla-E<gt>instance-E<gt>template> to get an already created module.
|
|
|
|
=head1 METHODS
|
|
|
|
=over
|
|
|
|
=item C<put_header($title, $h1, $h2)>
|
|
|
|
Description: Display the header of the page for non yet templatized .cgi files.
|
|
|
|
Params: $title - Page title.
|
|
$h1 - Main page header.
|
|
$h2 - Page subheader.
|
|
|
|
Returns: nothing
|
|
|
|
=item C<put_footer()>
|
|
|
|
Description: Display the footer of the page for non yet templatized .cgi files.
|
|
|
|
Params: none
|
|
|
|
Returns: nothing
|
|
|
|
=item C<get_format($file, $format, $ctype)>
|
|
|
|
Description: Construct a format object from URL parameters.
|
|
|
|
Params: $file - Name of the template to display.
|
|
$format - When the template exists under several formats
|
|
(e.g. table or graph), specify the one to choose.
|
|
$ctype - Content type, see Bugzilla::Constants::contenttypes.
|
|
|
|
Returns: A format object.
|
|
|
|
=back
|
|
|
|
=head1 SEE ALSO
|
|
|
|
L<Bugzilla>, L<Template>
|