зеркало из https://github.com/mozilla/gecko-dev.git
153 строки
4.1 KiB
Perl
153 строки
4.1 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): Bradley Baetz <bbaetz@student.usyd.edu.au>
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use strict;
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package Bugzilla::CGI;
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use CGI qw(-no_xhtml -oldstyle_urls :private_tempfiles);
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use base qw(CGI);
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use Bugzilla::Util;
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# We need to disable output buffering - see bug 179174
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$| = 1;
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# CGI.pm uses AUTOLOAD, but explicitly defines a DESTROY sub.
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# We need to do so, too, otherwise perl dies when the object is destroyed
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# and we don't have a DESTROY method (because CGI.pm's AUTOLOAD will |die|
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# on getting an unknown sub to try to call)
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sub DESTROY {};
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sub new {
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my ($invocant, @args) = @_;
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my $class = ref($invocant) || $invocant;
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my $self = $class->SUPER::new(@args);
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# Check for errors
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# All of the Bugzilla code wants to do this, so do it here instead of
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# in each script
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my $err = $self->cgi_error;
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if ($err) {
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# XXX - under mod_perl we can use the request object to
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# enable the apache ErrorDocument stuff, which is localisable
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# (and localised by default under apache2).
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# This doesn't appear to be possible under mod_cgi.
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# Under mod_perl v2, though, this happens automatically, and the
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# message body is ignored.
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# Note that this error block is only triggered by CGI.pm for malformed
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# multipart requests, and so should never happen unless there is a
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# browser bug.
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# Using CGI.pm to do this means that ThrowCodeError prints the
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# content-type again...
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#print $self->header(-status => $err);
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print "Status: $err\n";
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my $vars = {};
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if ($err =~ m/(\d{3})\s(.*)/) {
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$vars->{http_error_code} = $1;
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$vars->{http_error_string} = $2;
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} else {
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$vars->{http_error_string} = $err;
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}
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&::ThrowCodeError("cgi_error", $vars);
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}
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return $self;
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}
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# We want this sorted plus the ability to exclude certain params
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sub canonicalise_query {
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my ($self, @exclude) = @_;
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# Reconstruct the URL by concatenating the sorted param=value pairs
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my @parameters;
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foreach my $key (sort($self->param())) {
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# Leave this key out if it's in the exclude list
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next if lsearch(\@exclude, $key) != -1;
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my $esc_key = url_quote($key);
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foreach my $value ($self->param($key)) {
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if ($value) {
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my $esc_value = url_quote($value);
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push(@parameters, "$esc_key=$esc_value");
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}
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}
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}
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return join("&", @parameters);
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}
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1;
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__END__
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=head1 NAME
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Bugzilla::CGI - CGI handling for Bugzilla
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=head1 SYNOPSIS
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use Bugzilla::CGI;
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my $cgi = new Bugzilla::CGI();
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=head1 DESCRIPTION
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This package inherits from the standard CGI module, to provide additional
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Bugzilla-specific functionality. In general, see L<the CGI.pm docs|CGI> for
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documention.
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=head1 CHANGES FROM L<CGI.PM|CGI>
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Bugzilla::CGI has some differences from L<CGI.pm|CGI>.
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=over 4
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=item C<cgi_error> is automatically checked
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After creating the CGI object, C<Bugzilla::CGI> automatically checks
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I<cgi_error>, and throws a CodeError if a problem is detected.
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=back
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=head1 ADDITIONAL FUNCTIONS
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I<Bugzilla::CGI> also includes additional functions.
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=over 4
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=item C<canonicalise_query(@exclude)>
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This returns a sorted string of the paramaters, suitable for use in a url.
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Values in C<@exclude> are not included in the result.
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=back
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