# $Id$
# Common functions for HTML/XHTML output generation
-# Copyright (C) 2003 Jan Kratochvil <project-www.jankratochvil.net@jankratochvil.net>
+# Copyright (C) 2003-2005 Jan Kratochvil <project-www.jankratochvil.net@jankratochvil.net>
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
use warnings;
use Exporter;
-sub Wrequire ($);
-sub Wuse ($@);
+sub Wrequire($%);
+sub Wuse($@);
our $W;
-our @EXPORT=qw(&Wrequire &Wuse &a_href &a_href_cz &vskip &img ¢erimg &rightimg $W &top_dir &top_dir_disk);
-our @ISA=qw(Exporter);
+our @EXPORT=qw(
+ &Wrequire &Wuse
+ &path_web &path_abs_disk
+ &uri_escaped
+ &a_href &a_href_cc &text_cc
+ &vskip
+ &img ¢erimg &rightimg &leftimg
+ $W
+ &input_hidden_persistents
+ &escapeHTML
+ &form_method
+ );
+our @ISA=qw(Tie::Handle Exporter);
+
+my %packages_used_hash; # $packages_used_hash{$W->{"__PACKAGE__"}}{"_done"}=1;
+my %packages_used_array;
BEGIN
{
- sub Wrequire ($)
+ use Carp qw(cluck confess);
+ $W->{"__My::Web_init"}=1;
+
+ # $args{"first"}=1
+ sub Wrequire ($%)
{
- my($file)=@_;
+ my($file,%args)=@_;
# print STDERR "Wrequire $file\n";
$file=~s#/#::#g;
my $class=$file;
$file=~s#::#/#g;
$file.=".pm";
- my $aref=($W->{"packages_used"}{$Apache::Registry::curstash}||=[]);
- push @$aref,$class
- if !{ map(($_=>1),@$aref) }->{$class}; # Prevent duplicated entries.
- CORE::require $file;
+ my %callers;
+ for (my $depth=0;defined caller($depth);$depth++) {
+ $callers{caller($depth)}=1;
+ }
+ my $selfpkg=__PACKAGE__;
+ $callers{$selfpkg}=1;
+ for my $target ($class,__PACKAGE__) {
+ for my $caller (keys(%callers)) {
+ next if $packages_used_hash{$caller}{$target}++;
+ cluck "Appending to the '_done' package list: caller=$caller,target=$target"
+ if $packages_used_hash{$caller}{"_done"};
+ if ($args{"first"}) {
+ unshift @{$packages_used_array{$caller}},$target;
+ }
+ else {
+ push @{$packages_used_array{$caller}},$target;
+ }
+ }
+ }
+ eval { CORE::require "$file"; } or confess $@;
1; # Otherwise 'require' would already file above.
}
$file->import(@list);
1;
}
+
+ sub import
+ {
+ my($class,@rest)=@_;
+
+ local $Exporter::ExportLevel=$Exporter::ExportLevel+1;
+ Wrequire("$class");
+ return $class->SUPER::import(@rest);
+ }
}
-BEGIN { Wuse 'WebConfig'; } # for %WebConfig
-require CGI; # for &escapeHTML
+use WebConfig; # see also below: Wuse 'WebConfig';
require Image::Size; # for &imgsize
use File::Basename; # &basename
use Carp qw(cluck confess);
use URI::Escape;
require HTTP::BrowserDetect;
require HTTP::Negotiate;
-require Geo::IP;
-require CGI;
-
-
-# Undo 'www/engine/httpd-restart' as it may use obsolete Perl for 'mod_perl'
-delete $ENV{"PERLLIB"};
-delete $ENV{"LD_LIBRARY_PATH"};
+our $have_Geo_IP; BEGIN { $have_Geo_IP=eval { require Geo::IP; 1; }; }
+# Do not: use ModPerl::Util qw(exit);
+# to prevent in mod_perl2: "exit" is not exported by the ModPerl::Util module
+# I do not know why.
+use POSIX qw(strftime);
+use Tie::Handle;
+use Apache2::Const qw(HTTP_MOVED_TEMPORARILY OK HTTP_OK);
+use URI;
+use URI::QueryParam;
+use Cwd;
+require HTTP::Date;
+require Storable;
+require Digest::MD5;
+require Data::Compare;
+use Data::Dumper;
+require Encode;
+use Apache2::RequestUtil;
+use Apache2::Filter;
+use Apache2::Connection;
+require MIME::Base64;
+use Apache2::ServerUtil;
+require MIME::Types;
+require MIME::Parser;
+use Apache2::RequestRec;
+use Apache2::RequestIO;
+use Apache2::Response;
#our $W;
- # $W->{"title"}
- # $W->{"head"}
- # $W->{"head_css"}
- # $W->{"force_charset"}
- # %{$W->{"packages_used"}
- # $W->{"heading_done"}
- # $W->{"footer_passed"}
- # %{$W->{"headers"}}
- # %{$W->{"headers_lc"}} # maps lc($headers_key)=>$headers_key
- # @{$W->{"packages_used"}{$Apache::Registry::curstash}}}
- # %{$W->{"args"}}
sub init ($%)
{
my($class,%args)=@_;
- print STDERR "$class->init ".$ENV{"REQUEST_URI"}."\n";
-
- my $packages_used_save=$W->{"packages_used"};
- $W={ %WebConfig,%args }; # override %WebConfig settings
- $W->{"packages_used"}=$packages_used_save;
-
- $W->{"__PACKAGE__"}||="Apache::ROOT".$Apache::Registry::curstash;
-
- $W->{"top_dir"}||=eval '$'.$W->{"__PACKAGE__"}.'::top_dir';
+ print STDERR "$class->init ".Apache2::RequestUtil->request()->unparsed_uri()."\n";
+
+ # We need to track package dependencies, so we need to call it from &init.
+ # We cannot do it in BEGIN { } block
+ # as it would not be tracked for each of the toplevel users later.
+ Wuse 'WebConfig';
+ Wrequire 'My::Hash';
+
+ # $W={} can get somehow created very easily.
+ # Do not: cluck "W not empty:\n".Dumper($W) if keys(%$W);
+ # to prevent (of $W->{"headers_in"}): TODO: Enumeration may not be expected.
+ cluck "W not empty; __PACKAGE__ was: ".$W->{"__PACKAGE__"} if keys(%$W);
+ $W=My::Hash->new({},"My::Hash::Sub","My::Hash::Push");
+ bless $W,$class;
+ %$W=(
+ "__PACKAGE__"=>scalar(caller()),
+ %WebConfig,
+ %args, # override %WebConfig settings
+ );
- do { $W->{$_}=0 if !defined $W->{$_}; } for ("detect_ent");
- do { $W->{$_}=0 if !defined $W->{$_}; } for ("detect_js");
- do { $W->{$_}=1 if !defined $W->{$_}; } for ("have_css"); # AFAIK it does not hurt anyone.
- do { $W->{$_}=1 if !defined $W->{$_}; } for ("heading");
- do { $W->{$_}=1 if !defined $W->{$_}; } for ("footer");
- do { $W->{$_}=1 if !defined $W->{$_}; } for ("footer_delimit");
- do { $W->{$_}=1 if !defined $W->{$_}; } for ("footer_mailme");
- do { $W->{$_}=1 if !defined $W->{$_}; } for ("footer_ids");
- do { $W->{$_}=1 if !defined $W->{$_}; } for ("indexme");
- do { $W->{$_}="" if !defined $W->{$_}; } for ("head");
- do { $W->{$_}="" if !defined $W->{$_}; } for ("head_css");
+ # {"__PACKAGE__"} is mandatory for mod_perl-2.0;
+ # $Apache2::Registry::curstash is no longer supported.
+ do { cluck "No $_" if !$W->{$_}; } for "__PACKAGE__";
+ exit_hook_start();
+ # Package dependencies tracking only:
+ Wrequire $W->{"__PACKAGE__"},"first"=>1;
+
+ do { $W->{$_}=0 if !defined $W->{$_}; } for "detect_ent";
+ do { $W->{$_}=0 if !defined $W->{$_}; } for "detect_js";
+ do { $W->{$_}=1 if !defined $W->{$_}; } for "have_css"; # AFAIK it does not hurt anyone.
+ do { $W->{$_}=0 if !defined $W->{$_}; } for "css_inherit";
+ do { $W->{$_}=1 if !defined $W->{$_}; } for "footer";
+ do { $W->{$_}=1 if !defined $W->{$_}; } for "footer_delimit";
+ do { $W->{$_}=1 if !defined $W->{$_}; } for "footer_ids";
+ do { $W->{$_}=1 if !defined $W->{$_}; } for "indexme";
+ do { $W->{$_}="" if !defined $W->{$_}; } for "body_attr";
+ do { $W->{$_}="en-US" if !defined $W->{$_}; } for "language";
my $footer_any=0;
- for (qw(footer_mailme footer_ids)) {
+ for (qw(footer_ids)) {
$W->{$_}=0 if !$W->{"footer"};
$footer_any=1 if $W->{$_};
}
$W->{"footer"}=0 if !$footer_any;
$W->{"footer_delimit"}=0 if !$W->{"footer"};
- $W->{"r"}=Apache->request();
+ $W->{"r"}=Apache2::RequestUtil->request();
+
+ $W->{"r"}->push_handlers("PerlCleanupHandler"=>\&cleanup);
+
+ $W->{"web_hostname"}||=$W->{"r"}->hostname();
+
+ tie *STDOUT,$W->{"r"};
+ select *STDOUT;
+ $|=1;
+
+ $W->{"headers_in"}=$W->{"r"}->headers_in();
+ Wrequire 'My::Hash::Merge';
+ $W->{"headers_in"}=My::Hash::Merge->new(
+ $W->{"headers_in"},
+ My::Hash::Sub->new({
+ "_remote_ip"=>sub { return $W->{"r"}->connection()->remote_ip(); },
+ }),
+ );
+ Wrequire 'My::Hash::Readonly';
+ $W->{"headers_in"}=My::Hash::Readonly->new($W->{"headers_in"});
+
+ if ($W->{"r"}->method() eq "GET" || $W->{"r"}->method() eq "HEAD") {
+ for (\$W->{"http_safe"}) {
+ # Do not: # Extend the current ETag system instead if you would need it:
+ # cluck "Explicitely NOT HTTP-Safe for method \"".$W->{"r"}->method()."\"?!?"
+ # if defined($$_) && !$$_;
+ # as sometimes it just does not make sense to cache it.
+ $$_=1 if !defined $$_;
+ }
+ }
+ else {
+ for (\$W->{"http_safe"}) {
+ cluck "Undefined HTTP-Safe-ty for method \"".$W->{"r"}->method()."\"!"
+ if !defined($$_);
+ $$_=0 if !defined $$_;
+ }
+ }
+ # Used only if: $W->{"http_safe"}
+ # but we would cause on different method(): Appending to the '_done' package list
+ Wrequire 'My::Hash::RecordKeys';
+ if ($W->{"http_safe"}) {
+ $W->{"headers_in_RecordKeys"}=My::Hash::RecordKeys->new($W->{"headers_in"});
+ $W->{"headers_in"}=$W->{"headers_in_RecordKeys"};
+ }
- $W->{"QUERY_STRING"}=$W->{"r"}->args() || "";
- if ($W->{"QUERY_STRING"}=~/[&]amp;have_ent/)
- { $W->{"have_ent"}=0; }
- elsif ($W->{"QUERY_STRING"}=~ /[&]have_ent/)
- { $W->{"have_ent"}=1; }
- else
- { delete $W->{"have_ent"}; }
- if ($W->{"detect_ent"} && !defined $W->{"have_ent"} && $W->{"r"}->method() eq "GET") {
- $W->{"head"}.='<meta http-equiv="Refresh" content="0; URL='
- .CGI::escapeHTML("http://".&{$W->{"web_hostname_sub"}}()."/".($W->{"r"}->uri()=~m#^/*(.*)$#)[0]
- ."?".($W->{"QUERY_STRING"} || "detect_ent_glue=1").'&have_ent=detect')
- .'" />'."\n";
- }
- $W->{"QUERY_STRING"}=~s/([&])amp;/$1/g;
- $W->{"r"}->args($W->{"QUERY_STRING"});
- $ENV{"QUERY_STRING"}=$W->{"QUERY_STRING"};
- # Do not: $W->{"r"}->args()
- # as it parses only QUERY_STRING (not POST data).
- $W->{"args"}={ CGI->new()->Vars() };
- for (keys(%{$W->{"args"}})) {
- my @vals=split /\x00/,$W->{"args"}{$_};
- next if @vals<=1;
- $W->{"args"}{$_}=[@vals];
- }
-
- do { $W->{$_}=$ENV{"HTTP_ACCEPT"} if !defined $W->{$_}; } for ("accept");
- do { $W->{$_}=$ENV{"HTTP_USER_AGENT"} if !defined $W->{$_}; } for ("user_agent");
-
- $W->{"browser"}=HTTP::BrowserDetect->new($W->{"user_agent"});
+ {
+ local $_=$W->{"r"}->args() || "";
+ if ($W->{"detect_ent"}) {
+ if (/[&]amp;have_ent/)
+ { $W->{"have_ent"}=0; }
+ elsif ( /[&]have_ent/)
+ { $W->{"have_ent"}=1; }
+ else
+ { delete $W->{"have_ent"}; }
+ if (!defined $W->{"have_ent"} && $W->{"r"}->method() eq "GET") {
+ $W->{"head_push"}='<meta http-equiv="Refresh" content="0; URL='
+ .escapeHTML("http://".$W->{"web_hostname"}."/".($W->{"r"}->uri()=~m#^/*(.*)$#)[0]
+ ."?".($_ || "detect_ent_glue=1").'&have_ent=detect')
+ .'" />'."\n";
+ }
+ }
+ s/([&])amp;/$1/g;
+ $W->{"r"}->args($_);
+ }
+
+ $W->{"args"}=URI->new("?".$W->{"r"}->args())->query_form_hash();
+ $W->merge_post_args() if $W->{"r"}->method() eq "POST";
+ # Prepare '$args' first to (FIXME: Why?) prevent: Not a reference
+ my $args=$W->{"args"};
+ $W->{"args_orig"}=Storable::dclone($args);
+
+ $W->{"browser"}=sub {
+ # Lazy-evaluation, we may not need the "User-Agent" header at all.
+ return our $r||=HTTP::BrowserDetect->new($W->{"headers_in"}{"User-Agent"});
+ };
if (!defined $W->{"have_style"}) {
- $W->{"have_style"}=(!$W->{"browser"}->netscape() || ($W->{"browser"}->major() && $W->{"browser"}->major()>4) ? 1 : 0);
+ $W->{"have_style"}=sub {
+ # Lazy-evaluation, we may not need the "User-Agent" header at all.
+ return our $r||=(!$W->{"browser"}->netscape() || ($W->{"browser"}->major() && $W->{"browser"}->major()>4) ? 1 : 0);
+ };
}
$W->{"have_js"}=($W->{"args"}{"have_js"} ? 1 : 0);
if ($W->{"detect_js"} && !$W->{"have_js"}) {
- $W->{"head"}.='<script type="text/javascript" src="'.top_dir('/have_js.js.pl').'"></script>'."\n";
+ # Do not: <script />
+ # as at least Lynx inhibits any further HTML output.
+ # Do not: text/javascript
+ # as it does not look as registered, at least according to: MIME::Types $VERSION 1.15
+ # "application/javascript" so far standardized till 2005-12-08 by:
+ # http://www.ietf.org/internet-drafts/draft-hoehrmann-script-types-03.txt
+ $W->{"head_push"}='<script type="application/javascript" src="'.uri_escaped(path_web('/My/HaveJS.pm')).'"></script>'."\n";
}
- do { args_check(%$_) if $_; } for ($W->{"args_check"});
+ # Required by &_args_check below.
+ $W->{"_init_done"}=1;
+
+ do { _args_check(%$_) if $_; } for $W->{"args_check"};
return $W;
}
-sub top_dir_disk ()
+sub form_method($)
{
- do { return $_ if $_; } for ($W->{"top_dir"});
- return $INC[0]; # fallback
+my($method)=@_;
+
+ my $r=q{method="}.$method.q{"};
+ return $r." ".q{enctype="application/x-www-form-urlencoded" accept-charset="us-ascii utf-8"} if $method eq "post";
+ return $r." ". q{accept-charset="us-ascii utf-8"} if $method eq "get";
+ cluck "Undefined method: $method";
+ return $r;
}
-sub top_dir (;$)
+sub merge_post_args($)
{
-my($in)=@_;
+my($class)=@_;
- if (my $uri=$ENV{"REQUEST_URI"}) {
- if ($W->{"args"}{"Wabs"}) {
- if ($in=~m#^/#) {
- $in=~s#^/*##;
- }
- else {
- $in=$ENV{"REQUEST_URI"}."/".$in;
- $in=~tr#/#/#s;
- 1 while $in=~s#/(?:[^/]+)/\Q..\E/#/#g
- }
- return "http://".&{$W->{"web_hostname_sub"}}()."/".(defined $in ? $in : "");
+ my @post_args=$class->read_post_args();
+ while (@post_args) {
+ my $name=shift @post_args;
+ my $data=shift @post_args;
+ my $ref=\$W->{"args"}{$name};
+ if (!defined $$ref) { $$ref=$data; }
+ elsif (!ref $$ref) { $$ref=[$$ref,$data]; }
+ elsif ("ARRAY" eq ref $$ref) { push @$$ref,$data; }
+ else {
+ cluck "Ignoring POST argument \"$name\", orig is weird:\n",Dumper($$ref);
}
- $uri.="Index" if $uri=~m#/$#;
- if (defined $in) {
- my($inpath,$inquery)=split /[?]/,$in,2;
- $inpath=~tr///cs;
- $uri=~tr///cs;
- for (;;) {
- my($in1 ,$in2 )=($in =~m#^(/[^/]+)(/.*)$#);
- my($uri1,$uri2)=($uri=~m#^(/[^/]+)(/.*)$#);
- last if !defined $in1 || !defined $uri1 || $in1 ne $uri1;
- $in=$in2;
- $uri=$uri2;
+ }
+ return;
+}
+
+# Do not: use CGI;
+# as CGI parsing of POST vs. QUERY_STRING data, multiple-valued keys etc.
+# is too dense and causes weird problems, together with mod_perl etc.
+sub read_post_args($)
+{
+my($class)=@_;
+
+ local $_=$class->http_headers_in_for("Content-type")->content_type();
+ return $class->read_multipart_form_data() if $_ eq "multipart/form-data";
+ return $class->read_application_x_www_form_urlencoded() if $_ eq "application/x-www-form-urlencoded";
+ cluck "Unknown POST data body, ignored: $_";
+ return;
+}
+
+sub read_application_x_www_form_urlencoded($)
+{
+my($class)=@_;
+
+ my $body="";
+ for (;;) {
+ my $got=$W->{"r"}->read(my($buf),0x1000);
+ # Do not: cluck "Error reading POST data: $!" if !defined $got;
+ # as it should be done using: APR::Error exceptions
+ last if !$got;
+ $body.=$buf;
+ }
+ return URI->new("?".$body)->query_form();
+}
+
+sub read_multipart_form_data($)
+{
+my($class)=@_;
+
+ my $parser=MIME::Parser->new();
+ # FIXME: No unlink()s done!
+ $parser->output_under("/tmp");
+
+ local *R_FH;
+ tie *R_FH,$W->{"r"};
+ local *FH;
+ tie *FH,"My::Web::ReadMerged",
+ join("",map(($_.": ".$W->{"headers_in"}{$_}."\n"),qw(
+ Content-type
+ )))."\n",
+ \*R_FH;
+ my $body=$parser->parse(\*FH);
+ cluck "No multipart POST request body?" if !$body->is_multipart();
+
+ return map((
+ $_->head()->mime_attr("content-disposition.name")
+ =>
+ join("",@{$_->body()})
+ ),$body->parts());
+
+ # TODO: Globalize, make it IO::* compatible, split to the merging part + IO::Scalar.
+ package My::Web::ReadMerged;
+
+ require Tie::Handle;
+ require Exporter;
+ our @ISA=qw(Tie::Handle Exporter);
+ use Carp qw(cluck confess);
+
+ sub READLINE($)
+ {
+ my($self)=@_;
+
+ confess "Slurp not yet implemented" if !defined $/;
+ # Apache2::RequestIO does not support 'READLINE'!
+ for (;;) {
+ if (defined $self->{"data"} && $self->{"data"}=~s{^.*\Q$/\E}{}) {
+ $self->{"offset"}+=length $&;
+ return $&;
+ }
+ my $fh_orig=$self->{"fh_orig"};
+ if (!$fh_orig) {
+ my $r=$self->{"data"};
+ delete $self->{"data"};
+ $self->{"offset"}+=length $r if defined $r;
+ return $r;
}
+ my $got=read $fh_orig,my($buf),0x1000;
+ cluck "Error reading POST data: $!" if !defined $got;
+ delete $self->{"fh_orig"} if !$got;
+ cluck "INTERNAL: fh_orig should not exist here" if !defined $self->{"data"};
+ $self->{"data"}.=$buf;
}
- $uri=~s#^/*##;
- $uri=~s#[^/]+#..#g;
- $uri=File::Basename::dirname($uri);
- my $r=$uri.(defined $in ? $in : "");
-# 1 while $r=~s#^[.]/##;
-# $r="./$r" if $r=~m#^(?:?.*)$#; # empty pathname?
- return $r;
+ }
+
+ sub TELL($)
+ {
+ my($self)=@_;
+
+ return $self->{"offset"};
+ }
+
+ sub TIEHANDLE($$$)
+ {
+ my($class,$data,$fh_orig)=@_;
+
+ my $self=bless {},$class;
+ $self->{"data"}=$data;
+ $self->{"offset"}=0;
+ $self->{"fh_orig"}=$fh_orig;
+ return $self;
+ }
+}
+
+sub cleanup($)
+{
+my($apache_request)=@_;
+
+ cluck "CORE::GLOBAL::exit hook not ran" if !$W->{"_exit_done"};
+ cluck "packages not finalized" if !$packages_used_hash{$W->{"__PACKAGE__"}}{"_done"};
+ cache_finish();
+ # Sanity protection.
+ $W=undef();
+ exit_hook_stop();
+ return OK;
+}
+
+# PerlResponseHandler is RUN_FIRST and &ModPerl::Util::exit returns OK, so no (sane) go.
+# PerlLogHandler is already too late to be able to produce any output.
+my $exit_orig;
+sub exit_hook
+{
+ cluck "Missing ->init while in exit_hook()" if !$W->{"_init_done"};
+ # &footer will call us recursively!
+ footer() if !$W->{"_exit_done"}++;
+ return &{$exit_orig}(@_);
+}
+sub exit_hook_start
+{
+ do { cluck "exit_hook_start() twice?"; return; } if defined $exit_orig;
+ $exit_orig=\&CORE::GLOBAL::exit;
+ # Prevent: Subroutine CORE::GLOBAL::exit redefined
+ no warnings 'redefine';
+ *CORE::GLOBAL::exit=\&exit_hook;
+}
+sub exit_hook_stop
+{
+ do { cluck "exit_hook_stop() without exit_hook_start()?"; return; }
+ if \&exit_hook ne \&CORE::GLOBAL::exit;
+ do { cluck "INTERNAL: exit_orig uninitialized"; return; }
+ if !$exit_orig;
+ # Prevent: Subroutine CORE::GLOBAL::exit redefined
+ no warnings 'redefine';
+ *CORE::GLOBAL::exit=$exit_orig;
+ $exit_orig=undef();
+}
+
+# Be aware other parts of code (non-My::Web) will NOT use this function!
+# Do not: Wprint $W->{"heading"},"undef"=>1;
+# as we would need to undef() it to turn it off and it would get defaulted in such case.
+# Do not: exists $W->{"heading"}
+# as we use a lot of 'for $W->{"heading"}' which instantiates it with the value: undef()
+sub Wprint($%)
+{
+my($text,%args)=@_;
+
+ cluck "undef Wprint" if !defined $text && !$args{"undef"};
+ delete $args{"undef"};
+ cluck join(" ","Invalid arguments:",keys(%args)) if keys(%args);
+ return if !defined $text;
+ # Do not: cluck "utf-8 untested" if Encode::is_utf8($text);
+ # as it is valid here.
+ $W->{"r"}->puts($text);
+}
+
+sub request_check(;$)
+{
+my($self)=@_;
+
+ # Use &eval to prevent: Global $r object is not available. Set:\n\tPerlOptions +GlobalRequest\nin ...
+ confess "Calling sensitive dynamic code from a static code" if !eval { Apache2::RequestUtil->request(); };
+ # Do not: confess "Calling sensitive dynamic code without My::Web::init" if !$W->{"__PACKAGE__"};
+ # as it is valid at least while preparing arguments to call: &project::Lib::init
+}
+
+# Do not: use CGI;
+# as it is too much backward compatible regarding the charset encodings etc.
+# and the resulting code is too dense with no additional functionality for the recent content.
+sub escapeHTML($)
+{
+my($text)=@_;
+
+ local $_=$text;
+ s{&}{&}gso;
+ s{<}{<}gso;
+ s{>}{>}gso;
+ s{"}{"}gso;
+ return $_;
+}
+
+# /home/user/www/webdir
+sub dir_top_abs_disk()
+{
+ our $dir_top_abs_disk;
+ if (!$dir_top_abs_disk) {
+ my $selfpkg_relpath=__PACKAGE__;
+ $selfpkg_relpath=~s{::}{/}g;
+ $selfpkg_relpath.=".pm";
+ my $selfpkg_abspath=$INC{$selfpkg_relpath} or do {
+ cluck "Unable to find self package $selfpkg_relpath";
+ return;
+ };
+ $selfpkg_abspath=~s{/*\Q$selfpkg_relpath\E$}{} or do {
+ cluck "Unable to strip myself \"$selfpkg_relpath\" from the abspath: $selfpkg_abspath";
+ return;
+ };
+ cluck "INC{myself} is relative?: $selfpkg_abspath" if $selfpkg_abspath!~m{^/};
+ $dir_top_abs_disk=$selfpkg_abspath;
+ }
+ return $dir_top_abs_disk;
+}
+
+sub unparsed_uri()
+{
+ request_check();
+ if (!$W->{"unparsed_uri"}) {
+ # Do not: $W->{"r"}
+ # as we may be called before &init from: &My::Project::init
+ my $r=Apache2::RequestUtil->request();
+ cluck "Calling ".'&unparsed_uri'." from a static code, going to fail" if !$r;
+ my $uri_string=$r->unparsed_uri() or cluck "Valid 'r' missing unparsed_uri()?";
+ my $uri=URI->new_abs($uri_string,"http://".$W->{"web_hostname"}."/");
+ $W->{"unparsed_uri"}=$uri;
+ }
+ return $W->{"unparsed_uri"};
+}
+
+sub in_to_uri_abs($)
+{
+my($in)=@_;
+
+ # Otherwise we may have been already processed and thus legally relativized.
+ # FIXME data: Currently disabled, all the data are too violating such rule.
+ if (0 && !ref $in) {
+ my $uri_check=URI->new($in);
+ $uri_check->scheme() || $in=~m{^\Q./\E} || $in=~m{^/}
+ or cluck "Use './' or '/' prefix for all the local references: $in";
+ }
+ my $uri=URI->new_abs($in,unparsed_uri());
+ $uri=$uri->canonical();
+ return $uri;
+}
+
+# $args{"uri_as_in"}=1 to permit passing URI objects as: $in
+# $args{"abs"}=0 || 1; # overrides: $W->{"args"}{"Wabs"}
+sub path_web($%)
+{
+my($in,%args)=@_;
+
+ cluck if !$args{"uri_as_in"} && ref $in;
+ my $uri=in_to_uri_abs($in);
+ if (uri_is_local($uri)) {
+ # Prefer the $uri values over "args_persistent" values.
+ # &query_form_hash comes from: URI::QueryParam
+ $uri->query_form_hash({
+ map({
+ my $key=$_;
+ my $val=$W->{"args"}{$key};
+ (!defined $val ? () : ($key=>$val));
+ } keys(%{$W->{"args_persistent"}})),
+ %{$uri->query_form_hash()},
+ });
}
- return top_dir_disk().$in;
+ my $abs;
+ do { $abs=$_ if defined; } for $W->{"args"}{"Wabs"},$args{"abs"};
+ return $uri->abs(unparsed_uri()) if $abs;
+ return $uri->rel(unparsed_uri());
+}
+
+sub path_abs_disk_register($)
+{
+my($path_abs_disk)=@_;
+
+ $W->{"path_abs_disk_register"}{$path_abs_disk}=1;
+}
+
+# $args{"uri_as_in"}=1 to permit passing URI objects as: $in
+sub path_abs_disk($%)
+{
+my($in,%args)=@_;
+
+ cluck if !$args{"uri_as_in"} && ref $in;
+ my $uri=in_to_uri_abs($in);
+ cluck if !uri_is_local($uri);
+ my $path=$uri->path();
+ cluck "URI compatibility: ->path() not w/leading slash of URI \"$uri\"; path: $path" if $path!~m{^/};
+ my $r=dir_top_abs_disk().$path;
+ path_abs_disk_register $r if !defined $args{"register"} || $args{"register"};
+ return $r;
}
sub fatal (;$);
-sub args_check (%)
+sub _args_check (%)
{
my(%tmpl)=@_;
while (my($name,$regex)=each(%tmpl)) {
- my $name_html="Parameter <span class=\"quote\">".CGI::escapeHTML($name)."</span>";
+ my $name_html="Parameter <span class=\"quote\">".escapeHTML($name)."</span>";
$W->{"args"}{$name}="" if !defined $W->{"args"}{$name};
$W->{"args"}{$name}=[ $W->{"args"}{$name} ] if !ref $W->{"args"}{$name} && ref $regex;
fatal "$name_html passed as multivar although singlevar expected"
if ref $W->{"args"}{$name} && !ref $regex;
- $regex=${$regex}[0] if ref $regex;
+ $regex=$regex->[0] if ref $regex;
for my $val (!ref $W->{"args"}{$name} ? $W->{"args"}{$name} : @{$W->{"args"}{$name}}) {
$val="" if !defined $val;
- fatal "$name_html <span class=\"quote\">".CGI::escapeHTML($val)."</span>"
- ." does not match the required regex <span class=\"quote\">".CGI::escapeHTML($regex)."</span> "
+ fatal "$name_html <span class=\"quote\">".escapeHTML($val)."</span>"
+ ." does not match the required regex <span class=\"quote\">".escapeHTML($regex)."</span> "
if $regex ne "" && $val!~/$regex/;
}
}
my($msg)=@_;
$msg="UNKNOWN" if !$msg;
-
- $W->{"indexme"}=0; # For the case no heading was sent yet.
- My::Web->heading();
- print "\n".vskip("3ex")."<hr /><h1 class=\"error\">FATAL ERROR: $msg!</h1>\n"
+ cluck "FATAL: $msg";
+
+ # Do not send it unconditionally.
+ # The intial duplicated '<?xml...' crashes Gecko parser.
+ $W->{"heading_done"}=0 if $W->{"header_only"};
+ # Do not send it unconditionally.
+ # Prevents warn: Headers already sent
+ if (!$W->{"heading_done"}) {
+ $W->{"indexme"}=0; # For the case no heading was sent yet.
+ $W->{"header_only"}=0; # assurance for &heading
+ $W->{"content_type"}="text/html"; # Force HTML and avoid strictly checked XHTML.
+ My::Web->heading();
+ }
+ Wprint "\n".vskip("3ex")."<hr /><h1 class=\"error\">FATAL ERROR: $msg!</h1>\n"
."<p>You can report this problem's details to"
." ".a_href("mailto:".$W->{"admin_mail"},"admin of this website").".</p>\n";
- footer();
+ exit;
}
-sub footer (;$)
+sub footer_packages_used_comments()
{
- exit 1 if $W->{"footer_passed"}++; # deadlock prevention:
-
- print vskip if $W->{"footer_delimit"};
+ my $packages_used=$packages_used_array{$W->{"__PACKAGE__"}};
+ for my $package (@$packages_used) {
+ my $cvs_id=(eval('$'.$package."::CVS_ID")
+# || $package # debug
+ );
+ Wprint '<!-- '.$package.' - $'.$cvs_id.'$ -->'."\n" if $cvs_id;
+ }
+}
- if ($W->{"heading"}) {
- do { &{$_}() if $_; } for ($W->{"footing_delimit"});
+sub footer()
+{
+ cluck 'Explicit &footer call is deprecated, !_exit_dne' if !$W->{"_exit_done"};
+ exit if $W->{"footer_done"}++; # deadlock prevention:
+ &{$_}() for reverse @{$W->{"footer_sub_push"}};
+ if ($W->{"header_only"}) {
+ $packages_used_hash{$W->{"__PACKAGE__"}}{"_done"}=1;
+ exit;
}
- print "<hr />\n" if $W->{"footer"};
+ Wprint vskip if $W->{"footer_delimit"};
+ &{$_}() for reverse @{$W->{"footing_delimit_sub_push"}};
+ Wprint "<hr />\n" if $W->{"footer"};
- if ($W->{"footer_mailme"}) {
- print '<form action="'.top_dir('/SendMsg.pl').'" method="post" onsubmit="'
- ."this.elements['msgscript'].value=this.elements['msghtml'].value;"
- ."this.elements['msghtml'].value='';"
- ."this.submit();"
- .'">'."\n";
- print '<p align="right">'."\n";
- print '<input name="msgscript" type="hidden" />'."\n";
- print '<input name="msghtml" type="text" size="32" alt="Message" />'."\n";
- print '<input name="submit" type="submit" value="Quick Note" />'."\n";
- print '</p>'."\n";
- print '</form>'."\n";
- }
+ # Never update the package list while we examine it!
+ $packages_used_hash{$W->{"__PACKAGE__"}}{"_done"}=1;
+
+ # Dump the whole packages stack or just the primary one?
+ #my $packages_used=$packages_used_array{$W->{"__PACKAGE__"}};
+ my $packages_used=[$W->{"__PACKAGE__"}];
if ($W->{"footer_ids"}) {
- print '<p class="cvs-id">';
- print join("<br />\n",map({ my $package=$_;
+ Wprint '<p class="cvs-id">';
+ Wprint join("<br />\n",map({ my $package=$_;
my $cvs_id=(eval('$'.$package."::CVS_ID")
# || $package # debug
);
my $file=$package;
$file=~s#::#/#g;
my $ext;
- for (qw(.html.pl .pl .pm),"") {
+ my @tried;
+ for (qw(.pm)) {
$ext=$_;
- last if -r top_dir_disk()."/$file$ext";
- cluck "Class file $file not found" if !$ext;
+ my $path_abs_disk=path_abs_disk("/$file$ext");
+ push @tried,$path_abs_disk;
+ last if -r $path_abs_disk;
+ cluck "Class file $file not found; tried: ".join(" ",@tried) if !$ext;
}
$file.=$ext;
+ my $viewcvs;
+ if ((my $file_cvs=$file)=~s{^My/}{}) {
+ $viewcvs=$W->{"viewcvs_My"}.$file_cvs;
+ }
+ else {
+ $viewcvs=$W->{"viewcvs"}.$file;
+ }
$cvs_id_split[2]=""
- .a_href((map({ my $s=$_; $s=~s#/viewcvs/#$&~checkout~/#; $s; } $W->{"viewcvs"}))[0]."$file?rev=".$cvs_id_split[2],
+ .a_href((map({ my $s=$_; $s=~s#/viewcvs/#$&~checkout~/#; $s; } $viewcvs))[0]."?rev=".$cvs_id_split[2],
$cvs_id_split[2]);
- $cvs_id_split[1]=a_href($W->{"viewcvs"}.$file,
- ($package!~/^Apache::/ ? $package : $cvs_id_split[1]));
- $cvs_id_split[5]=&{$W->{"cvs_id_author"}}($cvs_id_split[5]);
+ $cvs_id_split[1]=a_href($viewcvs,($package!~/^Apache2::/ ? $package : $cvs_id_split[1]));
+ $cvs_id_split[5]=&{$W->{"cvs_id_author_sub"}}($cvs_id_split[5]);
}
join " ",@cvs_id_split;
}
- } (
- $W->{"__PACKAGE__"},
- __PACKAGE__,
- @{$W->{"packages_used"}{$Apache::Registry::curstash}},
- )));
- print "</p>\n";
+ } @$packages_used));
+ Wprint "</p>\n";
}
- for my $package (
- $W->{"__PACKAGE__"},
- __PACKAGE__,
- @{$W->{"packages_used"}{$Apache::Registry::curstash}},
- ) {
- my $cvs_id=(eval('$'.$package."::CVS_ID")
-# || $package # debug
- );
- print '<!-- '.$package.' - $'.$cvs_id.'$ -->'."\n" if $cvs_id;
- }
+ footer_packages_used_comments();
- if ($W->{"heading"}) {
- do { &{$_}() if $_; } for ($W->{"footing"});
- }
+ do { Wprint $_ if $_; } for $W->{"footing"};
- print "</body></html>\n";
- exit(0);
+ Wprint "</body></html>\n";
+ exit;
}
-sub header (%)
+# Existing entries are overwritten.
+sub header(%)
{
my(%pairs)=@_;
while (my($key,$val)=each(%pairs)) {
do { cluck "Headers already sent"; next; } if $W->{"heading_done"};
- for ($W->{"headers_lc"}{lc $key} || ()) {
- delete $W->{"headers"}{$_};
- }
- $W->{"headers_lc"}{lc $key}=$key;
- $W->{"headers"}{$key}=$val;
+ $W->{"r"}->headers_out()->set($key,$val);
}
}
return $size;
}
-sub url_is_local ($)
+sub uri_is_local($)
{
-my($url)=@_;
+my($in)=@_;
- return $url!~m#^[a-z]+://#;
+ my $uri_rel=in_to_uri_abs($in)->rel(unparsed_uri());
+ # Do not: defined $uri_rel->("userinfo"|"host"|"port")();
+ # as they fail to be called for schemes not supporting them.
+ return 0 if $uri_rel->scheme();
+ return 0 if $uri_rel->authority();
+ return 1;
}
-sub a_href ($;$%)
+# &path_web still may be required for &uri_escaped !
+sub uri_escaped($)
{
-my($url,$contents,%args)=@_;
+my($uri)=@_;
+
+ cluck if !ref $uri;
+ my $urient=escapeHTML($uri);
+ return $uri if $uri eq $urient;
+ request_check();
+ return $urient if uri_is_local $uri;
+ return $uri if defined $W->{"have_ent"} && !$W->{"have_ent"}; # non-ent client
+ return $urient if $W->{"have_ent"}; # ent client
+ # Unknown client, &escapeHTML should not be needed here:
+ return escapeHTML(path_web('/My/Redirect.pm?location='.uri_escape($uri->abs(unparsed_uri()))));
+}
+
+our $a_href_inhibited;
+sub a_href($;$%)
+{
+my($in,$contents,%args)=@_;
+ request_check();
do { $$_=1 if !defined $$_; } for (\$args{"size"});
- $contents=CGI::escapeHTML($url) if !defined $contents;
+ if (!defined $contents) {
+ $contents=$in;
+ $contents=File::Basename::basename($contents) if $args{"basename"};
+ $contents=~s/^mailto:([-.\w]+(?:@|\Q(at)\E)[-.\w]+)$/$1/;
+ $contents=escapeHTML($contents);
+ }
$contents=~s#<a\b[^>]*>##gi;
$contents=~s#</a>##gi;
+ return $contents if $a_href_inhibited;
- $url=top_dir($url) if url_is_local $url && $url=~m#^/#;
-
- my $r='<a href="';
- my $urlent=CGI::escapeHTML($url);
- if ($url eq $urlent)
- { $r.=$url; }
- elsif (url_is_local $url)
- { $r.=$urlent; }
- elsif (defined $W->{"have_ent"} && !$W->{"have_ent"}) # non-ent client
- { $r.=$url; }
- elsif ($W->{"have_ent"}) # ent client
- { $r.=$urlent; }
- else # unknown client, &CGI::escapeHTML should not be needed here
- { $r.=CGI::escapeHTML(top_dir('/Redirect.pl?location='.uri_escape($url))); }
+ my $path_web=path_web $in,%args;
+ my $r="";
+ $r.='<a href="';
+ $r.=uri_escaped $path_web;
$r.='"';
do { $r.=" $_" if $_; } for ($args{"attr"});
$r.='>'.$contents.'</a>';
- if ($args{"size"} && url_is_local($url) && $url=~/[.](?:gz|Z|rpm|zip|deb|lha)/) { # Downloadable?
- $url=top_dir_disk().$url if $url=~m#^/#;
- if (!-r $url)
- { cluck "File not readable: $url"; }
- else {
- $r.=' ('.size_display((stat($url))[7]).')';
- }
+ my $size_in=$in;
+ do { $size_in=$_ if $_ && !/^\d+$/; } for $args{"size"};
+ if ($args{"size"} && uri_is_local($size_in)
+ && (($args{"size"} && $args{"size"}=~/^\d+$/ && $args{"size"}>=2)
+ || $size_in=~/[.](?:gz|Z|rpm|zip|deb|lha)/)) { # Downloadable?
+ my $path_abs_disk=path_abs_disk $size_in,%args;
+ cluck "File not readable: $path_abs_disk" if !-r $path_abs_disk;
+ $r.=' ('.size_display((stat($path_abs_disk))[7]).')';
}
return $r;
}
+sub a_href_inhibit($$;@)
+{
+my($self,$sub,@sub_args)=@_;
+
+ local $a_href_inhibited=1;
+ return &{$sub}(@sub_args);
+}
+
+sub input_hidden_persistents()
+{
+ request_check();
+ return join("",map({
+ my $key=$_;
+ my $val=$W->{"args"}{$key};
+ (!defined $val ? () : '<input type="hidden"'
+ .' name="'.escapeHTML($key).'"'
+ .' value="'.escapeHTML($val).'"'
+ .' />'."\n");
+ } (keys(%{$W->{"args_persistent"}}))));
+}
+
+sub http_moved($$;$)
+{
+my($self,$url,$status)=@_;
+
+ $url=path_web($url,"abs"=>1);
+ $status||=HTTP_MOVED_TEMPORARILY;
+ $W->{"r"}->status($status);
+ $W->{"r"}->headers_out()->{"Location"}=$url;
+ $W->{"header_only"}=1;
+ $W->{"content_type"}=0;
+ $W->{"charset"}=0;
+ My::Web->heading();
+ exit;
+ die "NOTREACHED";
+}
+
sub remote_ip ()
{
- # Do not: PerlModule Apache::ForwardedFor
- # PerlPostReadRequestHandler Apache::ForwardedFor
- # As 'Apache::ForwardedFor' takes the first of $ENV{"HTTP_X_FORWARDED_FOR"}
+ # Do not: PerlModule Apache2::ForwardedFor
+ # PerlPostReadRequestHandler Apache2::ForwardedFor
+ # As 'Apache2::ForwardedFor' takes the first of $ENV{"HTTP_X_FORWARDED_FOR"}
# while the contents is '127.0.0.1, 213.220.195.171' if client has its own proxy.
# We must take the last item ourselves.
- my $r=$ENV{"HTTP_X_FORWARDED_FOR"} || $W->{"r"}->get_remote_host();
- $r=~s/^.*,\s*//;
+ # Be VERY sure you always retrieve all the headers unconditionally to hit: My::Hash::RecordKeys
+ my $x_forwarded_for=$W->{"headers_in"}{"X-Forwarded-For"};
+ $x_forwarded_for=~s/^.*,\s*// if $x_forwarded_for;
+ my $remote_ip=$W->{"headers_in"}{"_remote_ip"};
+ my $r;
+ $r||=$x_forwarded_for;
+ $r||=$remote_ip;
return $r;
}
-sub is_cz ()
+sub _cc()
{
- return "CZ" eq Geo::IP->new()->country_code_by_addr(remote_ip());
+ my $r;
+ $r||=Geo::IP->new()->country_code_by_addr(remote_ip()) if $have_Geo_IP;
+ $r||="";
+ return $r;
}
-sub a_href_cz ($$;%)
+# $url={"JP"=>"http://specific",...};
+# $url={""=>"http://default",...};
+sub a_href_cc($$;%)
{
my($url,$contents,%args)=@_;
- return a_href $url,$contents,%args if is_cz();
+ # A bit ineffective but we must process all the possibilities to get stable 'headers_in' hits!
+ my %map=map(($_=>a_href($url->{$_},$contents,%args)),keys(%$url));
+ my $r;
+ $r||=$map{_cc()};
+ $r||=$map{""};
+ return $r if $r;
return $contents;
}
+# $tree={"JP"=>"specific",...};
+# $tree={""=>"default",...};
+sub text_cc($)
+{
+my($tree)=@_;
+
+ cluck if !$tree->{""};
+ my $r;
+ $r||=$tree->{_cc()};
+ $r||=$tree->{""};
+ return $r;
+}
+
sub make ($)
{
my($cmd)=@_;
- system {'flock'} 'flock','-x',top_dir_disk(),$cmd.' >&2';
+ # FIXME: &alarm, --timeout is now infinite.
+ # FIXME: Try to remove bash(1).
+ # FIXME: Use: @PATH_FLOCK@
+ # Do not: dir_top_abs_disk(),
+ # to prevent: flock: cannot open lock file /home/lace/www/www.jankratochvil.net: Is a directory
+ my @argv=('flock',dir_top_abs_disk()."/WebConfig.pm",'bash','-c',$cmd.' >&2');
+ print STDERR join(" ","SPAWN:",@argv)."\n";
+ system @argv;
+}
+
+sub make_file($$)
+{
+my($self,$file)=@_;
+
+ cluck "Pathname not absolute: $file" if $file!~m{^/};
+ return if -f $file;
+ # TODO: Somehow quickly check dependencies?
+ return make('make -s --no-print-directory'
+ .' -C '."'".File::Basename::dirname($file)."' '".File::Basename::basename($file)."'");
}
sub img_size ($$)
{
my($width,$height)=@_;
+ cluck if !defined $width || !defined $height;
return ($W->{"have_style"} ? "style=\"border:0;width:${width}px;height:${height}px\"" : "border=\"0\"")
." width=\"$width\" height=\"$height\"";
}
return [ map(($args{$_}),@fields) ];
}
-my @img_variants=(
- { "id"=>"png","qs"=>1.0,"content-type"=>"image/png" },
- { "id"=>"gif","qs"=>0.9,"content-type"=>"image/gif" },
- );
-my $img_variants_re='[.](?:'.join('|',"jpeg",map(($_->{"id"}),@img_variants)).')$';
-
-sub img_src ($)
+# Returns: 'HTTP::Headers' instance.
+sub http_headers_in_for($@)
{
-my($file_base)=@_;
+my($self,@headers)=@_;
- if (!url_is_local($file_base)) {
- return $file_base if !wantarray();
- return ($file_base,$file_base);
- }
- # Known image extension?
- if ($file_base=~m#$img_variants_re#o) {
- return $file_base if !wantarray();
- return ($file_base,$file_base) if $file_base!~m#^/#;
- return (top_dir($file_base),top_dir_disk().$file_base);
- }
+ # Limit these entries to generate proper 'Vary' header.
+ return HTTP::Headers->new(map(($_=>$W->{"headers_in"}{$_}),@headers));
+}
- my $file_base_disk;
- my $file_base_uri;
- if ($file_base!~m#^/#) {
- $file_base_disk=$file_base_uri=$file_base;
- }
- else {
- $file_base_disk=top_dir_disk().$file_base;
- $file_base_uri=top_dir($file_base);
- }
-
- my @nego_variants;
- for my $var (@img_variants) {
- my $file=$file_base_disk.".".$var->{"id"};
- # TODO: Somehow quickly check dependencies?
- make('make -s --no-print-directory'
- .' -C '."'".File::Basename::dirname($file)."' '".File::Basename::basename($file)."'")
- if !-f $file;
- push @nego_variants,negotiate_variant(
- %$var,
- "size"=>(stat $file)[7],
- );
+# Input: $self is required!
+# Input: Put the fallback variant as the first one.
+# Returns: always only scalar!
+sub Negotiate_choose($$)
+{
+my($self,$variants)=@_;
+
+ my $best=HTTP::Negotiate::choose($variants,
+ # Do not: $W->{"r"}
+ # to prevent: Can't locate object method "scan" via package "Apache2::RequestRec" at HTTP/Negotiate.pm line 84.
+ # Do not: $W->{"r"}->headers_in()
+ # to prevent: Can't locate object method "scan" via package "APR::Table" at HTTP/Negotiate.pm line 84.
+ # Do not: HTTP::Headers->new($W->{"r"}->headers_in());
+ # to prevent empty result or even: Odd number of elements in anonymous hash
+ $self->http_headers_in_for(qw(
+ Accept
+ Accept-Charset
+ Accept-Encoding
+ Accept-Language
+ )));
+ $best||=$variants->[0][0]; # $variants->[0]{"id"}; &HTTP::Negotiate::choose failed?
+ return $best;
+}
+
+# FIXME: Use for "content-type": MIME::Types
+my @img_variants=(
+ { "id"=>"svg","qs"=>0.9,"content-type"=>"image/svg+xml" },
+ { "id"=>"png","qs"=>0.8,"content-type"=>"image/png" },
+ { "id"=>"gif","qs"=>0.7,"content-type"=>"image/gif" },
+ # Do not prefer these to avoid fedding them for '*/*' browsers.
+ { "id"=>"dia","qs"=>0.6,"content-type"=>"application/x-dia-diagram" },
+ { "id"=>"fig","qs"=>0.6,"content-type"=>"image/x-xfig" },
+ { "id"=>"fig","qs"=>0.6,"content-type"=>"application/x-xfig" },
+ { "id"=>"sxd","qs"=>0.6,"content-type"=>"application/vnd.sun.xml.draw" },
+ { "id"=>"sxi","qs"=>0.6,"content-type"=>"application/vnd.sun.xml.impress" },
+ );
+# Unsupported by Image::Size 2.992: sxd sxi dia
+# Supported by Image::Size 2.992: fig png gif jpeg
+# Expensive by Image::Size 2.992: svg
+my %img_map=(
+ "svg" =>[qw(png gif)], # svg
+ "png" =>[qw(png gif)],
+ "jpeg"=>[qw(jpeg)],
+ "dia" =>[qw(png gif)], # svg
+ "fig" =>[qw(fig png gif)],
+ "sxd" =>[qw(png gif)],
+ "sxi" =>[qw(png gif)],
+ );
+
+# Returns: ($path_web,$path_abs_disk)
+# URI path segments support ignored here. Where it is used? (';' path segment options)
+sub _img_src($%)
+{
+my($in,%args)=@_;
+
+ cluck if !uri_is_local $in;
+ my $uri=in_to_uri_abs $in;
+ my $path_abs_disk=path_abs_disk $uri,%args,"uri_as_in"=>1,"register"=>0;
+
+ cluck "Not exists image path_abs_disk: $path_abs_disk" if !-r $path_abs_disk;
+ my($path_abs_disk_base,$ext_orig)=($path_abs_disk=~/^(.*)[.](\w+)$/) or cluck;
+ my $map_arrayref=$img_map{$ext_orig} or cluck;
+
+ my $ext=$ext_orig;
+ if (1!=@$map_arrayref) {
+ my @nego_variants;
+ for my $ext (@$map_arrayref) {
+ my $path_abs_disk_variant=$path_abs_disk_base.".".$ext;
+ path_abs_disk_register($path_abs_disk_variant);
+ __PACKAGE__->make_file($path_abs_disk_variant);
+ for my $var (@img_variants) {
+ next if $var->{"id"} ne $ext;
+ push @nego_variants,negotiate_variant(
+ %$var,
+ "size"=>(stat $path_abs_disk_variant)[7],
+ );
+ }
+ }
+ $ext=__PACKAGE__->Negotiate_choose(\@nego_variants);
}
- # Do not: ,$W->{"r"});
- # but should we provide somehow either 'HTTP::Headers' or 'HTTP::Request' ?
- my $ext=HTTP::Negotiate::choose(\@nego_variants);
- $ext||=$img_variants[0]->{"id"}; # &HTTP::Negotiate::choose failed?
- return $file_base_uri.".".$ext if !wantarray();
- return ($file_base_uri.".".$ext,$file_base_disk.".".$ext);
+ my $uri_path=$uri->path();
+ $uri_path=~s/\Q.$ext_orig\E$/.$ext/ or cluck;
+ $uri->path($uri_path);
+ return path_web($uri,%args,"uri_as_in"=>1),path_abs_disk($uri,%args,"uri_as_in"=>1);
}
-sub img ($$;%)
+# $args{"attr"}
+sub img ($$%)
{
-my($file_base,$alt,%attr)=@_;
+my($in,$alt,%args)=@_;
- my($file_uri,$file_disk)=img_src $file_base;
- my($width,$height)=Image::Size::imgsize($file_disk);
+ request_check();
+ my($path_web,$path_abs_disk)=_img_src($in,%args);
+ my($width,$height)=Image::Size::imgsize($path_abs_disk);
$alt=~s/<[^>]*>//g;
- $alt=CGI::escapeHTML($alt);
- my $content="<img src=\"$file_uri\" alt=\"$alt\" title=\"$alt\" ".img_size($width,$height)
- .(!$attr{"attr"} ? "" : " ".$attr{"attr"})." />";
- return a_href img_src($attr{"a_href_img"}),$content if $attr{"a_href_img"};
- return a_href $attr{"a_href"},$content if $attr{"a_href"};
+ $alt=escapeHTML($alt);
+ my $content="<img src=\"".uri_escaped($path_web)."\" alt=\"$alt\" title=\"$alt\" ".img_size($width,$height)
+ .(!$args{"attr"} ? "" : " ".$args{"attr"})." />";
+ do { return a_href((_img_src($_))[0],$content,"uri_as_in"=>1) if $_; } for $args{"a_href_img"};
+ do { return a_href $_,$content if $_; } for $args{"a_href"};
return $content;
}
sub centerimg
{
- my $r.="";
+ my $r="";
$r.='<table border="0" width="100%"><tr>'."\n";
@_=( [@_] ) if !ref $_[0];
for (@_) {
return $r;
}
+# Optional: Provide 'text' as 1==@args_img item.
sub rightimg
{
my($text,@args_img)=@_;
- # Workaround bug of 'Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1)':
+ # FIXME: Workaround bug of 'Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1)':
+ # <col width="@{[ (!$W->{"browser"}->ie() ? "1*" : "90%" ) ]}" />
+ # <col width="@{[ (!$W->{"browser"}->ie() ? "0*" : "10%" ) ]}" />
+ # causes whole invisible projects in: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.7.10) Gecko/20050719 Galeon/1.3.21
return <<"HERE";
-<table border="0" width="100%">
- <col width="@{[ (!$W->{"browser"}->ie() ? "1*" : "90%" ) ]}" />
- <col width="@{[ (!$W->{"browser"}->ie() ? "0*" : "10%" ) ]}" />
+<table border="0" width="100%" class="textimg">
<tr>
<td align="left">
@{[ $text ]}
</td>
+ <td> </td>
<td align="right">
- @{[ &{\&img}(@args_img) ]}
+ @{[ 1==@args_img ? $args_img[0] : &{\&img}(@args_img) ]}
</td>
</tr>
</table>
HERE
}
-sub readfile ($$)
+# Optional: Provide 'text' as 1==@args_img item.
+sub leftimg
+{
+my($text,@args_img)=@_;
+
+ # FIXME: Workaround bug of 'Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1)':
+ # <col width="@{[ (!$W->{"browser"}->ie() ? "0*" : "10%" ) ]}" />
+ # <col width="@{[ (!$W->{"browser"}->ie() ? "1*" : "90%" ) ]}" />
+ # causes whole invisible projects in: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.7.10) Gecko/20050719 Galeon/1.3.21
+ return <<"HERE";
+<table border="0" width="100%">
+ <tr>
+ <td align="center">
+ @{[ 1==@args_img ? $args_img[0] : &{\&img}(@args_img) ]}
+ </td>
+ <td> </td>
+ <td align="left">
+ @{[ $text ]}
+ </td>
+ </tr>
+</table>
+HERE
+}
+
+sub readfile($$)
{
my($class,$filename)=@_;
local *F;
- open F,$filename or die "Cannot open \"$filename\": $!";
- local $/=undef();
- my $data=<F>;
- close F;
- return $data;
+ open F,$filename or cluck "Cannot open \"$filename\": $!";
+ my $F=do { local $/=undef(); <F>; };
+ close F or cluck "Cannot close \"$filename\": $!";
+ return $F;
}
-sub arr_keys (@)
+sub _no_cache($)
{
-my(@arr)=@_;
+my($self)=@_;
+
+ header("Expires"=>HTTP::Date::time2str(1000000000)); # date in the past
+ header("Last-Modified"=>HTTP::Date::time2str()); # always modified
+ header("Cache-Control"=>join(", ",
+ "no-cache",
+ "no-store",
+ "must-revalidate",
+ "max-age=0",
+ "pre-check=0", # MSIE
+ "post-check=0", # MSIE
+ )); # HTTP/1.1
+ header("Pragma"=>"no-cache"); # HTTP/1.0
+ header("Vary"=>"*"); # content may ba based on unpredictable sources
+}
+
+sub headers_in_filtered(@)
+{
+my(@keys)=@_;
+
+ return map(($_=>$W->{"headers_in"}{$_}),@keys);
+}
+
+our %uri_args_frozen_to_headers_in_keys;
+our %uri_args_headers_in_frozen_to_headers_out;
+
+sub uri_args_headers_in_frozen_get($)
+{
+my($headers_in_keys_arrayref)=@_;
- my @r=();
- while (@arr) {
- push @r,shift @arr; # key
- shift @arr; # val
+ my %uri_args_headers_in_hash=(
+ "uri_args_frozen"=>$W->{"uri_args_frozen"},
+ "headers_in"=>{ headers_in_filtered(@$headers_in_keys_arrayref) },
+ );
+ return do { local $Storable::canonical=1; Storable::freeze(\%uri_args_headers_in_hash); };
+}
+
+sub cache_output_filter($)
+{
+my($f)=@_;
+
+ while ($f->read(my $text,0x400)) {
+ cluck "utf-8 untested" if Encode::is_utf8($text); # Possible here at all?
+ $f->print($text);
+ $W->{"digest-md5"}->add($text);
}
- return @r;
+ return OK;
}
-sub heading ()
+sub cache_start()
{
-my($class)=@_;
+ # Used only if: !$W->{"http_safe"}
+ # but we would cause on different method(): Appending to the '_done' package list
+ # &Wrequire it here even if it will not be later used; to be stable!
+ Wrequire 'My::Hash::RestrictTo';
+ if (!$W->{"http_safe"}) {
+ __PACKAGE__->_no_cache();
+ return;
+ }
- return if $W->{"heading_passed"}++;
+ {
+ my %uri_args_hash=(
+ "method"=>$W->{"r"}->method(),
+ "uri"=>"http://".$W->{"web_hostname"}."/".$W->{"r"}->uri(),
+ "args"=>$W->{"args_orig"},
+ );
+ $W->{"uri_args_frozen"}=do { local $Storable::canonical=1; Storable::freeze(\%uri_args_hash); };
+ last if !(my $headers_in_keys_arrayref=$uri_args_frozen_to_headers_in_keys{$W->{"uri_args_frozen"}});
+
+ # Protection to be sure we are stable:
+ $W->{"headers_in"}=My::Hash::RestrictTo->new($W->{"headers_in"},@$headers_in_keys_arrayref);
+
+ $W->{"uri_args_headers_in_frozen"}=uri_args_headers_in_frozen_get($headers_in_keys_arrayref);
+ last if !(my $headers_out_hashref=$uri_args_headers_in_frozen_to_headers_out{$W->{"uri_args_headers_in_frozen"}});
+ header(%$headers_out_hashref);
+ my $status;
+ {
+ # &meets_conditions will always deny the attempt if !2xx status().
+ # At least ap_read_request() sets: r->status=HTTP_REQUEST_TIME_OUT; /* Until we get a request */
+ my $status_old=$W->{"r"}->status();
+ $W->{"r"}->status(HTTP_OK);
+ # Update httpd's 'r->mtime' as the header "Last-Modified" is just not enough for ap_meets_conditions():
+ # &update_mtime() argument is really in _secs_, not in _msecs_ as the docs claim.
+ # Be aware '*1000000' would overflow Perl integer anyway.
+ # &set_last_modified would also override the "Last-Modified" headers_out!
+ # &mtime may exist but somehow does not work.
+ $W->{"r"}->update_mtime(HTTP::Date::str2time($headers_out_hashref->{"Last-Modified"}));
+ $status=$W->{"r"}->meets_conditions();
+ $W->{"r"}->status($status_old);
+ }
+ last if OK==$status;
+ $W->{"r"}->status($status);
+ $W->{"header_only"}=1; # Inhibit &footer output.
+ exit;
+ die "NOTREACHED";
+ }
- # $ENV{"CLIENT_CHARSET"} ignored (mod_czech support dropped!)
- my $client_charset=$W->{"force_charset"} || "us-ascii";
- header("Content-Style-Type"=>"text/css");
- header("Content-Script-Type"=>"text/javascript");
+ $W->{"digest-md5"}=Digest::MD5->new();
+ $W->{"cache_active"}=1;
+ $W->{"r"}->add_output_filter(\&cache_output_filter);
+}
- while (my($key,$val)=each(%{$W->{"headers"}})) {
- $W->{"r"}->header_out($key,$val);
+sub cache_finish_last_modified()
+{
+ cluck "Not yet done now? W __PACKAGE__: ".$W->{"__PACKAGE__"}
+ if !$packages_used_hash{$W->{"__PACKAGE__"}}{"_done"};
+ for my $package_orig (@{$packages_used_array{$W->{"__PACKAGE__"}}}) {
+ local $_=$package_orig.".pm";
+ s{::}{/}g;
+ path_abs_disk "/$_","register"=>1;
+ }
+ my $mtime_newest;
+ for my $path_abs_disk (keys(%{$W->{"path_abs_disk_register"}})) {
+ my $mtime=(stat $path_abs_disk)[9];
+ do { cluck "No mtime for: $path_abs_disk"; next; } if !$mtime;
+ $mtime_newest=$mtime if !$mtime_newest || $mtime_newest<$mtime;
}
- $W->{"r"}->send_http_header("text/html; charset=$client_charset"); # "Content-type"; do not use header()
+ cluck "No mtime_newest found for the current W __PACKAGE__: ".$W->{"__PACKAGE__"}
+ if !$mtime_newest;
+ return HTTP::Date::time2str($mtime_newest);
+}
+
+
+sub cache_finish()
+{
+ # Do not: return if !$W->{"uri_args_frozen"};
+ # as we may have just gave 304 and 'exit;' without starting the caching.
+ return if !$W->{"cache_active"};
+
+ # Headers may not be complete in this case; not sure, just trying.
+ return if $W->{"r"}->connection()->aborted();
+
+ # Fill-in/check: %uri_args_frozen_to_headers_in_keys
+ my $headers_in_keys_stored_arrayref_ref=\$uri_args_frozen_to_headers_in_keys{$W->{"uri_args_frozen"}};
+ my @headers_in_keys=tied(%{$W->{"headers_in_RecordKeys"}})->accessed();
+ if (!$$headers_in_keys_stored_arrayref_ref
+ || !Data::Compare::Compare(\@headers_in_keys,$$headers_in_keys_stored_arrayref_ref)) {
+ cluck "Non-matching generated 'headers_in_keys' per 'uri_args_frozen' key:\n"
+ .Dumper(\@headers_in_keys,$$headers_in_keys_stored_arrayref_ref)
+ if $$headers_in_keys_stored_arrayref_ref;
+ # Build or possibly prevent such further warn dupes:
+ $$headers_in_keys_stored_arrayref_ref=\@headers_in_keys;
+ # Build or regenerate as obsoleted now:
+ $W->{"uri_args_headers_in_frozen"}=uri_args_headers_in_frozen_get(\@headers_in_keys);
+ }
+
+ # Prepare 'headers_out' for the future reusal:
+ my %headers_out;
+ # Do not: $W->{"digest-md5"}->b64digest();
+ # as it will not provide the trailing filling '='s.
+ # RFC 1864 is not clear if they should be there but its sample provides them.
+ # Do not try to provide canonical "\r\n" form of newlines as is said by RFC 1864.
+ # RFC 2068 (HTTP/1.1) section 14.16 says the newlines should NOT be converted for HTTP.
+ # ',""' to avoid breaking the headers by its default "\n".
+ $headers_out{"Content-MD5"}=MIME::Base64::encode_base64($W->{"digest-md5"}->digest(),"");
+ # In fact we could also use MD5 for ETag as if we know ETag we also know MD5.
+ # But this way we do not need to calculate MD5 and we still can provide such ETag. So.
+ # $W->{"r"}->set_etag() ?
+ $headers_out{"ETag"}='"'.Digest::MD5::md5_base64($W->{"uri_args_headers_in_frozen"}).'"';
+ # $W->{"r"}->set_content_length() ?
+ $headers_out{"Content-Length"}=$W->{"r"}->bytes_sent();
+ my %Vary=map(($_=>1),(@headers_in_keys));
+ for (keys(%Vary)) {
+ next if !/^_/;
+ $Vary{"*"}=1;
+ delete $Vary{$_};
+ }
+ %Vary=("*"=>1) if $Vary{"*"};
+ $headers_out{"Vary"}=join(", ",sort keys(%Vary)) if keys(%Vary);
+ # $W->{"r"}->set_last_modified() ?
+ $headers_out{"Last-Modified"}=cache_finish_last_modified();
+
+ # Fill-in/check: %uri_args_headers_in_frozen_to_headers_out
+ my $headers_out_stored_hashref_ref=\$uri_args_headers_in_frozen_to_headers_out{$W->{"uri_args_headers_in_frozen"}};
+ if (!$$headers_out_stored_hashref_ref
+ || !Data::Compare::Compare(\%headers_out,$$headers_out_stored_hashref_ref)) {
+ cluck "Non-matching generated 'headers_out' per 'uri_args_headers_in_frozen' key:\n"
+ .Dumper(\%headers_out,$$headers_out_stored_hashref_ref)
+ if $$headers_out_stored_hashref_ref;
+ # Build or possibly prevent such further warn dupes:
+ $$headers_out_stored_hashref_ref=\%headers_out;
+ }
+
+###print STDERR Dumper(\%uri_args_frozen_to_headers_in_keys,\%uri_args_headers_in_frozen_to_headers_out);
+}
- return if $W->{"heading_done"}++;
- exit if $W->{"r"}->header_only();
+sub heading()
+{
+my($class)=@_;
- if (1) { # || !$msie_major || $msie_major>=4) # TODO:dyn
- print '<?xml version="1.0" encoding="'.$client_charset.'"?>'."\n";
+ if (!$W->{"header_only"}) {
+ header("Content-Style-Type"=>"text/css");
+ # Do not: text/javascript
+ # as it does not look as registered, at least according to: MIME::Types $VERSION 1.15
+ # "application/javascript" so far standardized till 2005-12-08 by:
+ # http://www.ietf.org/internet-drafts/draft-hoehrmann-script-types-03.txt
+ header("Content-Script-Type"=>"application/javascript");
+ # $W->{"r"}->content_languages() ?
+ do { header("Content-Language"=>$_) if $_; } for $W->{"language"};
+ }
+ # TODO: Support also: private
+ header("Cache-Control"=>"public"); # HTTP/1.1
+
+ # Use $W->{"charset"}=0 to disable charset.
+ $W->{"charset"}="us-ascii"
+ if !defined $W->{"charset"} && (!defined($W->{"content_type"}) || $W->{"content_type"});
+
+ # Workaround bug
+ # https://bugzilla.mozilla.org/show_bug.cgi?id=120556
+ # of at least
+ # Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.8b) Gecko/20050217
+ # http://validator.w3.org/ does not send ANY "Accept" headers!
+ if (!defined $W->{"content_type"}) {
+ # Be _stable_ for "headers_in".
+ my $accept=$W->{"headers_in"}{"Accept"};
+ my $user_agent=$W->{"headers_in"}{"User-Agent"}||"";
+ $W->{"content_type"}="application/xhtml+xml"
+ if !$accept && $user_agent=~m{^W3C_Validator/}i;
+ # Be _stable_:
+ my $negotiated=$class->Negotiate_choose([
+ # Put the fallback variant as the first one.
+ # Rate both variants the same to prefer "text/html" for undecided clients.
+ # At least
+ # Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.8b) Gecko/20050217
+ # prefers "application/xhtml+xml" over "text/html" itself:
+ # text/xml,application/xml,application/xhtml+xml,text/html;q=0.9,text/plain;q=0.8,image/png,*/*;q=0.5
+ negotiate_variant(
+ "id"=>"text/html",
+ "content-type"=>"text/html",
+ "qs"=>0.6,
+ (!$W->{"charset"} ? () : "charset"=>$W->{"charset"}),
+ "lang"=>$W->{"language"},
+ ),
+ negotiate_variant(
+ "id"=>"application/xhtml+xml",
+ "content-type"=>"application/xhtml+xml",
+ "qs"=>0.6,
+ (!$W->{"charset"} ? () : "charset"=>$W->{"charset"}),
+ "lang"=>$W->{"language"},
+ ),
+ # application/xml ?
+ # text/xml ?
+ ]);
+ $W->{"content_type"}=$negotiated if !defined $W->{"content_type"};
}
- print '<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd">'."\n";
- print '<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en-US">'."\n";
+ # mod_perl doc: If you set this header via the headers_out table directly, it
+ # will be ignored by Apache. So do not do that.
+ my $type;
+ if ($W->{"content_type"}) {
+ $type=MIME::Types->new()->type($W->{"content_type"});
+ cluck "MIME::Types type '".$W->{"content_type"}."' not known" if !$type;
+ }
+ cluck "charset='".$W->{"charset"}."' does not match content-type='".$W->{"content_type"}."'"
+ if ($W->{"charset"} ? 1 : 0) != (!$type ? 0 : $type->isAscii());
+ $W->{"r"}->content_type($W->{"content_type"}.(!$W->{"charset"} ? "" : "; charset=".$W->{"charset"}))
+ if $W->{"content_type"};
+
+ cache_start();
+ # We still can append headers before we put out some text.
+ # FIXME: It is not clean to still append them without overwriting.
+ return if $W->{"heading_done"};
+ Wprint '<?xml version="1.0" encoding="'.$W->{"charset"}.'"?>'."\n"
+ if (!$W->{"header_only"} || $W->{"header_only"} eq "xml") && (0
+ || $W->{"content_type"}=~m{^application/\w+[+]xml$}
+ || $W->{"content_type"} eq "text/vnd.wap.wml");
+ return if $W->{"header_only"};
+ # Split 'heading_done' for the proper handling of: /project/Rel.pm
+ $W->{"heading_done"}++;
+
+ Wprint '<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd">'."\n";
+ Wprint '<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="'.$W->{"language"}.'">'."\n";
my $title=$W->{"title_prefix"}.join("",map({ ': '.$_; } ($W->{"title"} || ())));
+ # Do not: cluck if $title=~/[<>]/;
+ # as it is not solved just by: &a_href_inhibit
+ # as sometimes titles use also: <i>...</i>
$title=~s#<[^>]*>##g;
- print "<head>";
- print "<title>$title</title>\n";
-
+ Wprint "<head>";
+ Wprint "<title>$title</title>\n";
if ($W->{"have_css"}) {
- print <<'HERE';
-<style type="text/css"><!--
-.cvs-id { font-family: monospace; }
-.error { color: red; background-color: transparent; }
-.quote { font-family: monospace; }
-.nowrap { white-space: nowrap; }
-.centered { text-align: center; }
-.tab-bold { font-weight: bold; }
-.tab-head { font-weight: bold; color: yellow; background-color: transparent; }
-body {
- background-color: black;
- color: white;
- }
-:link { color: aqua; background-color: transparent; }
-:visited { color: teal; background-color: transparent; }
-h1,h2 { color: yellow; background-color: transparent; }
-td { padding: 2px; }
-caption { caption-side: bottom; }
-.footer img { vertical-align: middle; }
+ # Everything can get overriden later.
+ for my $css ("/My/Web.css",@{$W->{"css_push"}}) {
+ Wprint <<"HERE";
+<link rel="stylesheet" type="text/css" href="@{[ uri_escaped(path_web $css) ]}" />
HERE
- print $W->{"head_css"}."\n";
- print "--></style>\n";
+ }
+ if ($W->{"css_inherit"}) {
+ $W->{"js_push"}="/My/css_inherit.js";
+ }
+ }
+ for my $js (@{$W->{"js_push"}}) {
+ # Do not: <script />
+ # as at least Lynx inhibits any further HTML output.
+ # Do not: text/javascript
+ # as it does not look as registered, at least according to: MIME::Types $VERSION 1.15
+ # "application/javascript" so far standardized till 2005-12-08 by:
+ # http://www.ietf.org/internet-drafts/draft-hoehrmann-script-types-03.txt
+ Wprint <<"HERE";
+<script type="application/javascript" src="@{[ uri_escaped(path_web $js) ]}"></script>
+<script type="text/javascript" src="@{[ uri_escaped(path_web $js) ]}"></script>
+HERE
+ }
+ Wprint '<meta name="robots" content="'.($W->{"indexme"} ? "" : "no" ).'index,follow" />'."\n";
+ for my $head (@{$W->{"head_push"}}) {
+ $head=&{$head}() if "CODE" eq ref $head;
+ Wprint $head;
}
-
- print '<meta name="robots" content="'.($W->{"indexme"} ? "" : "no" ).'index,follow" />'."\n";
- print $W->{"head"};
for my $type (qw(prev next index contents start up)) {
- do { print '<link rel="'.$type.'" href="'.$_.'" />'."\n" if $_; } for ($W->{"rel_$type"});
+ do { Wprint '<link rel="'.$type.'" href="'.uri_escaped(path_web $_).'" />'."\n" if $_; }
+ for ($W->{"rel_$type"});
}
- print "</head><body";
- print ' bgcolor="black" text="white" link="aqua" vlink="teal"'
- if $W->{"browser"}->netscape() && (!$W->{"browser"}->major() || $W->{"browser"}->major()<=4);
- print ">\n";
+ Wprint "</head><body";
+# Wprint ' bgcolor="black" text="white" link="aqua" vlink="teal"'
+# if $W->{"browser"}->netscape() && (!$W->{"browser"}->major() || $W->{"browser"}->major()<=4);
+ Wprint $W->{"body_attr"};
+ Wprint ">\n";
- if ($W->{"heading"}) {
- do { &{$_}() if $_; } for ($W->{"heading"});
- }
+ do { Wprint $_ if $_; } for $W->{"heading"};
}
+BEGIN {
+ delete $W->{"__My::Web_init"};
+ }
+
1;