[libhtml-scrubber-perl] 01/01: Imported from HTML-Scrubber-0.04.tar.gz.
Florian Schlichting
fsfs at moszumanska.debian.org
Sat Nov 11 13:45:58 UTC 2017
This is an automated email from the git hooks/post-receive script.
fsfs pushed a commit to annotated tag HTML-Scrubber-0.04
in repository libhtml-scrubber-perl.
commit 2f8e2eeb61fe5e5a12d81f597243c1111d36ff4f
Author: D. H. <podmaster at cpan.org>
Date: Thu Oct 30 02:35:15 2003 +0000
Imported from HTML-Scrubber-0.04.tar.gz.
---
Changes | 9 ++
LICENSE | 383 ++++++++++++++++++++++++++++++++++++++++++++++++
MANIFEST | 7 +-
META.yml | 7 +-
Makefile.PL | 3 +
README | 6 +-
Scrubber.pm | 233 +++++++++++++++++++++++------
t/01_use.t | 12 ++
test.pl => t/02_basic.t | 3 +
t/03_more.t | 44 ++++++
t/04_style_script.t | 27 ++++
t/05_pi_comment.t | 27 ++++
12 files changed, 709 insertions(+), 52 deletions(-)
diff --git a/Changes b/Changes
index c985e48..55c9f9b 100755
--- a/Changes
+++ b/Changes
@@ -1,5 +1,14 @@
Revision history for Perl extension HTML::Scrubber.
+0.04 Wed Oct 29 18:35:08 2003
+ - added missing lc in a few places (and got rid of for @_)
+ - fixed (and improved) optimizations (stupid typo)
+ - added DESTROY to break circular reference (I lost my TODO, so i forgot)
+ - added more pod (allow deny ...)
+ - improved test suite
+ - added LICENSE file
+ - added script/style functions (nice)
+
0.03 Mon Jul 21 07:32:10 2003
- perltidy ;)
- closed http://rt.cpan.org/NoAuth/Bug.html?id=2969
diff --git a/LICENSE b/LICENSE
new file mode 100755
index 0000000..9bb6486
--- /dev/null
+++ b/LICENSE
@@ -0,0 +1,383 @@
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diff --git a/MANIFEST b/MANIFEST
index e26cca7..a57c3ae 100755
--- a/MANIFEST
+++ b/MANIFEST
@@ -1,8 +1,13 @@
Changes
+LICENSE
Makefile.PL
MANIFEST
MANIFEST.SKIP
README
Scrubber.pm
-test.pl
+t/01_use.t
+t/02_basic.t
+t/03_more.t
+t/04_style_script.t
+t/05_pi_comment.t
META.yml Module meta-data (added by MakeMaker)
diff --git a/META.yml b/META.yml
index b9cfcbc..199b21b 100755
--- a/META.yml
+++ b/META.yml
@@ -1,10 +1,13 @@
+# http://module-build.sourceforge.net/META-spec.html
#XXXXXXX This is a prototype!!! It will change in the future!!! XXXXX#
name: HTML-Scrubber
-version: 0.03
+version: 0.04
version_from: Scrubber.pm
installdirs: site
requires:
HTML::Parser: 3
+ Test: 0
+ Test::More: 0
distribution_type: module
-generated_by: ExtUtils::MakeMaker version 6.10_06
+generated_by: ExtUtils::MakeMaker version 6.17
diff --git a/Makefile.PL b/Makefile.PL
index 85c75c5..155f2be 100755
--- a/Makefile.PL
+++ b/Makefile.PL
@@ -4,8 +4,11 @@ use ExtUtils::MakeMaker;
WriteMakefile(
'NAME' => 'HTML::Scrubber',
'VERSION_FROM' => 'Scrubber.pm', # finds $VERSION
+ 'PREREQ_FATAL' => 1,
'PREREQ_PM' => {
'HTML::Parser' => 3,
+ 'Test' => 0,
+ 'Test::More' => 0,
}, # e.g., Module::Name => 1.1
($] >= 5.005 ? ## Add these new keywords supported since 5.005
(ABSTRACT_FROM => 'Scrubber.pm', # retrieve abstract from module
diff --git a/README b/README
index 0a2de5a..c43f182 100755
--- a/README
+++ b/README
@@ -21,6 +21,6 @@ COPYRIGHT AND LICENCE
Copyright (C) 2003 D.H. aka PodMaster
This library is free software; you can redistribute it and/or modify
-it under the same terms as Perl itself.
-If you don't know what this means,
-visit http://perl.com/ or http://cpan.org/.
+it under the same terms as Perl itself.
+The LICENSE file contains the full text of the license.
+
diff --git a/Scrubber.pm b/Scrubber.pm
index d58f28f..5e22fd9 100755
--- a/Scrubber.pm
+++ b/Scrubber.pm
@@ -12,26 +12,25 @@ HTML::Scrubber - Perl extension for scrubbing/sanitizing html
use strict;
#
my $html = q[
- <HR> #
- <B> bold #
- <U> underlined #
- <I> #
- <A href=#> LINK </A> #
- </I> #
- </U> #
- </B> #
- </HR> #
+ <style type="text/css"> BAD { background: #666; color: #666;} </style>
+ <script language="javascript"> alert("Hello, I am EVIL!"); </script>
+ <HR>
+ a => <a href=1>link </a>
+ br => <br>
+ b => <B> bold </B>
+ u => <U> UNDERLINE </U>
];
#
- my $scrubber = HTML::Scrubber->new( allow => [ qw[ p b i u hr br ] ] );
+ my $scrubber = HTML::Scrubber->new( allow => [ qw[ p b i u hr br ] ] ); #
#
- print $scrubber->scrub($html);
+ print $scrubber->scrub($html); #
#
- $scrubber->deny( qw[ p b i u hr br ] );
+ $scrubber->deny( qw[ p b i u hr br ] ); #
#
- print $scrubber->scrub($html);
+ print $scrubber->scrub($html); #
#
+
=for example end
=head1 DESCRIPTION
@@ -63,7 +62,7 @@ use HTML::Entities;
use vars qw[ $VERSION $_scrub $_scrub_fh ];
use strict;
-$VERSION = '0.03';
+$VERSION = '0.04';
# my my my my, these here to prevent foolishness like
# http://perlmonks.org/index.pl?node_id=251127#Stealing+Lexicals
@@ -78,6 +77,7 @@ sub new {
marked_sections => 0,
strict_comment => 0,
unbroken_text => 1,
+ case_sensitive => 0,
);
my $self = {
@@ -88,13 +88,16 @@ sub new {
_comment => 0,
_process => 0,
_r => "",
+ _optimize => 1,
+ _script => 0,
+ _style => 0,
};
$p->{"\0_s"} = bless $self, $package;
return $self unless @_;
- my %args = @_;
+ my(%args)= @_;
for my $f( qw[ default allow deny rules process comment ] ) {
next unless exists $args{$f};
@@ -108,6 +111,12 @@ sub new {
return $self;
}
+=head2 comment
+
+ warn "comments are ", $p->comment ? 'allowed' : 'not allowed';
+ $p->comment(0); # off by default
+
+=cut
sub comment {
return
@@ -117,6 +126,14 @@ sub comment {
return;
}
+=head2 process
+
+ warn "process instructions are ", $p->process ? 'allowed' : 'not allowed';
+ $p->process(0); # off by default
+
+=cut
+
+
sub process {
return
$_[0]->{_process}
@@ -125,59 +142,132 @@ sub process {
return;
}
-sub allow {
- my $self = shift;
- $self->{_rules}{$_}=1 for @_;
+=head2 script
- return unless $self->{_optimize}; # till I figure it out (huh)
+ warn "script tags (and everything in between) are supressed"
+ if $p->script; # off by default
+ $p->script( 0 || 1 );
- if( $self->{_p}{'*'} ){ # default allow
- $self->{_p}->report_tags(); # so clear it
- } else {
- $self->{_p}->report_tags( # default deny, so optimize
- grep { # report only tags we want
- $self->{_rules}{$_}
- } keys %{
- $self->{_rules}
- }
- );
+B<**> Please note that this is implemented
+using HTML::Parser's ignore_elements function,
+so if C<script> is set to true,
+all script tags encountered will be validated like all other tags.
+
+=cut
+
+sub script {
+ return
+ $_[0]->{_script}
+ if @_ == 1;
+ $_[0]->{_script} = $_[1];
+ return;
+}
+
+=head2 style
+
+ warn "style tags (and everything in between) are supressed"
+ if $p->style; # off by default
+ $p->style( 0 || 1 );
+
+B<**> Please note that this is implemented
+using HTML::Parser's ignore_elements function,
+so if C<style> is set to true,
+all style tags encountered will be validated like all other tags.
+
+=cut
+
+sub style {
+ return
+ $_[0]->{_style}
+ if @_ == 1;
+ $_[0]->{_style} = $_[1];
+ return;
+}
+
+=head2 allow
+
+ $p->allow(qw[ t a g s ]);
+
+=cut
+
+sub allow {
+ my $self = shift;
+ for my $k(@_){
+ $self->{_rules}{lc $k}=1;
}
+ $self->{_optimize} = 1; # each time a rule changes, reoptimize when parse
+
return;
}
+
+=head2 deny
+
+ $p->deny(qw[ t a g s ]);
+
+=cut
+
sub deny {
my $self = shift;
- $self->{_rules}{$_} = 0 for @_;
+ for my $k(@_){
+ $self->{_rules}{lc $k} = 0;
+ }
- return unless $self->{_optimize}; # till I figure it out (huh)
+ $self->{_optimize} = 1; # each time a rule changes, reoptimize when parse
- $self->{_p}->ignore_tags( # always ignore stuff we don't want
- grep {
- not $self->{_rules}{$_}
- } keys %{
- $self->{_rules}
- }
- );
return;
}
+=head2 rules
+
+ $p->rules(
+ img => {
+ src => qr{^(?!http://)}i, # only relative image links allowed
+ alt => 1, # alt attribute allowed
+ '*' => 0, # deny all other attributes
+ },
+ b => 1,
+ ...
+ );
+
+=cut
+
sub rules{
my $self = shift;
- my %rules = @_;
+ my(%rules)= @_;
for my $k(keys %rules) {
- $self->{_rules}{$k} = $rules{$k};
+ $self->{_rules}{lc $k} = $rules{$k};
}
+
+ $self->{_optimize} = 1; # each time a rule changes, reoptimize when parse
+
return;
}
+=head2 default
+
+ print "default is ", $p->default();
+ $p->default(1); # allow tags by default
+ $p->default(
+ undef, # don't change
+ { # default attribute rules
+ '*' => 1, # allow attributes by default
+ }
+ );
+
+=cut
+
sub default {
return
$_[0]->{_rules}{'*'}
if @_ == 1;
+
$_[0]->{_rules}{'*'} = $_[1] if defined $_[1];
- $_[0]->{_rules}{'_'} = $_[2] if defined $_[2];
+ $_[0]->{_rules}{'_'} = $_[2] if defined $_[2] and ref $_[2];
+ $_[0]->{_optimize} = 1; # each time a rule changes, reoptimize when parse
+
return;
}
@@ -197,6 +287,8 @@ sub scrub_file {
return unless defined $_[0]->_out($_[2]);
}
+ $_[0]->_optimize() ;#if $_[0]->{_optimize};
+
$_[0]->{_p}->parse_file($_[1]);
return delete $_[0]->{_r} unless exists $_[0]->{_out};
@@ -219,6 +311,8 @@ sub scrub {
return unless defined $_[0]->_out($_[2]);
}
+ $_[0]->_optimize();# if $_[0]->{_optimize};
+
$_[0]->{_p}->parse($_[1]);
$_[0]->{_p}->eof();
@@ -275,7 +369,7 @@ sub _validate {
$f{$k} = $a->{$k};
}
}
-
+
return "<$t $r>"
if $r = join ' ',
map {
@@ -420,6 +514,56 @@ sub _scrub {
}
}
+sub _optimize {
+ my($self) = @_;
+
+ my( @ignore_elements ) = grep { not $self->{"_$_"} } qw(script style);
+ $self->{_p}->ignore_elements(@ignore_elements); # if @ is empty, we reset ;)
+
+ return unless $self->{_optimize};
+#sub allow
+# return unless $self->{_optimize}; # till I figure it out (huh)
+
+ if( $self->{_rules}{'*'} ){ # default allow
+ $self->{_p}->report_tags(); # so clear it
+# warn "\nreporting all\n";
+ } else {
+
+ my(@reports) =
+ grep { # report only tags we want
+ $self->{_rules}{$_}
+ } keys %{
+ $self->{_rules}
+ };
+
+ $self->{_p}->report_tags( # default deny, so optimize
+ @reports
+ ) if @reports;
+# warn "\nreporting only @reports\n";
+ }
+
+# sub deny
+# return unless $self->{_optimize}; # till I figure it out (huh)
+ my(@ignores)=
+ grep {
+ not $self->{_rules}{$_}
+ } keys %{
+ $self->{_rules}
+ };
+
+ $self->{_p}->ignore_tags( # always ignore stuff we don't want
+ @ignores
+ ) if @ignores;
+# warn "\nignoring @ignores\n" if @ignores;
+
+ $self->{_optimize}=0;
+ return;
+}
+
+
+sub DESTROY {
+ delete $_[0]->{_p}->{"\0_s"}; # break circular reference
+}
1;
#print sprintf q[ '%-12s => %s,], "$_'", $h{$_} for sort keys %h;# perl!
@@ -427,8 +571,6 @@ sub _scrub {
#perl -ne"chomp;print $_;if( /ok\(/ ){s/\#test \d+$//;print qq'\t\t# test ', ++$a }print $/" test.pl >test2.pl
#perl -ne"chomp;if(/ok\(/){s/# test .*$//;print$_,qq'\t\t# test ',++$a}else{print$_}print$/" test.pl >test2.pl
-=cut
-
=head1 How does it work?
When a tag is encountered, HTML::Scrubber
@@ -603,7 +745,6 @@ All rights reserved.
This module is free software;
you can redistribute it and/or modify it under
the same terms as Perl itself.
-If you don't know what this means,
-visit http://perl.com/ or http://cpan.org/.
+The LICENSE file contains the full text of the license.
=cut
diff --git a/t/01_use.t b/t/01_use.t
new file mode 100755
index 0000000..76d61fd
--- /dev/null
+++ b/t/01_use.t
@@ -0,0 +1,12 @@
+# Before `make install' is performed this script should be runnable with
+# `make test'. After `make install' it should work as `perl test.pl'
+
+#########################
+
+# change 'tests => 1' to 'tests => ';
+
+use Test;
+BEGIN { plan tests => 1 };
+use HTML::Scrubber;
+ok(1);
+
diff --git a/test.pl b/t/02_basic.t
similarity index 95%
rename from test.pl
rename to t/02_basic.t
index bacf386..8662b25 100755
--- a/test.pl
+++ b/t/02_basic.t
@@ -84,8 +84,11 @@ ok( $scrubber->default() ); # test 33
ok( ! $scrubber->comment() ); # test 34
ok( ! $scrubber->process() ); # test 35
+#use Data::Dumper;die Dumper( [ $scrubber, $scrubber->scrub($html) ]);
+
$scrubber = $scrubber->scrub($html);
+
ok( $scrubber ); # test 36
ok( $scrubber =~ /[><]/ ); # test 37
ok( $scrubber !~ /href/i ); # test 38
diff --git a/t/03_more.t b/t/03_more.t
new file mode 100755
index 0000000..0e123a4
--- /dev/null
+++ b/t/03_more.t
@@ -0,0 +1,44 @@
+# perl Makefile.PL && nmake realclean && cls && perl Makefile.PL && nmake test
+
+use strict;
+use Test::More tests => 7;
+BEGIN { $^W = 1 }
+
+use_ok( 'HTML::Scrubber::StripScripts' );
+
+my $s = HTML::Scrubber->new;
+my $html = q[<a href=1>link </a><br><B> bold </B><U> UNDERLINE </U>];
+
+isa_ok($s, 'HTML::Scrubber');
+
+$s->rules( 'font' => { face => 1 } );
+
+is( $s->scrub('<font face="gothic">'), '<font face="gothic">', 'font face gothic' );
+
+$s->allow(qw[ U ]);
+
+#use Data::Dumper;warn $/,Dumper($s);
+
+is( $s->scrub($html), q[link bold <u> UNDERLINE </u>],'only U');
+
+$s->allow(qw[ B U ]);
+
+#use Data::Dumper;warn $/,Dumper($s);
+
+is( $s->scrub($html), q[link <b> bold </b><u> UNDERLINE </u>],'B and U');
+
+$s->allow(qw[ A B ]);
+$s->deny('U');
+$s->default(0,{ '*'=> 1});
+
+#use Data::Dumper;warn $/,Dumper($s);
+
+is( $s->scrub($html), q[<a href="1">link </a><b> bold </b> UNDERLINE ],'A and B');
+
+$s = HTML::Scrubber->new(
+ default => [ 1, { '*' => 1 } ]
+);
+
+is( $s->scrub($html), q[<a href="1">link </a><br><b> bold </b><u> UNDERLINE </u>], 'A B U and BR');
+
+#use Data::Dumper;warn $/,Dumper($s);
diff --git a/t/04_style_script.t b/t/04_style_script.t
new file mode 100755
index 0000000..3bc6ab7
--- /dev/null
+++ b/t/04_style_script.t
@@ -0,0 +1,27 @@
+# perl Makefile.PL && nmake realclean && cls && perl Makefile.PL && nmake test
+
+use strict;
+use Test::More tests => 9;
+BEGIN { $^W = 1 }
+
+use_ok( 'HTML::Scrubber::StripScripts' );
+
+my $s = HTML::Scrubber->new;
+my $html = q[start <style>in the style</style> middle <script>in the script</script> end];
+
+isa_ok($s, 'HTML::Scrubber');
+
+is( $s->script, 0, 'script off by default');
+is( $s->style, 0, 'style off by default');
+is( $s->scrub($html), 'start middle end', 'default (no style no script)');
+
+
+$s->script(1);
+is( $s->script, 1, 'script on');
+is( $s->scrub($html), 'start middle in the script end', 'script off');
+
+
+
+$s->style(1);
+is( $s->style, 1, 'style on');
+is( $s->scrub($html), 'start in the style middle in the script end', 'style off and script off');
\ No newline at end of file
diff --git a/t/05_pi_comment.t b/t/05_pi_comment.t
new file mode 100755
index 0000000..625605f
--- /dev/null
+++ b/t/05_pi_comment.t
@@ -0,0 +1,27 @@
+# perl Makefile.PL && nmake realclean && cls && perl Makefile.PL && nmake test
+
+use strict;
+use Test::More tests => 9;
+BEGIN { $^W = 1 }
+
+use_ok( 'HTML::Scrubber::StripScripts' );
+
+my $s = HTML::Scrubber->new;
+my $html = q[start <!--comment--> mid1 <?html pi> mid2 <?xml pi?> end];
+
+isa_ok($s, 'HTML::Scrubber');
+
+is( $s->comment, 0, 'comment off by default');
+is( $s->process, 0, 'process off by default');
+is( $s->scrub($html), 'start mid1 mid2 end');
+
+
+$s->comment(1);
+is( $s->comment, 1, 'comment on');
+is( $s->scrub($html), 'start <!--comment--> mid1 mid2 end', 'comment on');
+
+
+
+$s->process(1);
+is( $s->process, 1, 'process on');
+is( $s->scrub($html), 'start <!--comment--> mid1 <?html pi> mid2 <?xml pi?> end', 'process on');
\ No newline at end of file
--
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