-#! /usr/bin/perl
-#
# $Id$
# 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
package My::Web;
require 5.6.0; # at least 'use warnings;' but we need some 5.6.0+ modules anyway
-use vars qw($VERSION);
-$VERSION=do { my @r=(q$Revision$=~/\d+/g); sprintf "%d.".("%03d"x$#r),@r; };
+our $VERSION=do { my @r=(q$Revision$=~/\d+/g); sprintf "%d.".("%03d"x$#r),@r; };
+our $CVS_ID=q$Id$;
use strict;
use warnings;
-use WebConfig; # for %WebConfig
+use Exporter;
+sub Wrequire($);
+sub Wuse($@);
+our $W;
+our @EXPORT=qw(
+ &Wrequire &Wuse
+ &path_web &path_abs_disk
+ &uri_escaped
+ &a_href &a_href_cz
+ &vskip
+ &img ¢erimg &rightimg
+ $W
+ &input_hidden_persistents
+ );
+our @ISA=qw(Tie::Handle Exporter);
+
+BEGIN
+{
+ use Carp qw(cluck confess);
+ $W->{"__My::Web_init"}=1;
+
+ sub Wrequire ($)
+ {
+ my($file)=@_;
+
+# print STDERR "Wrequire $file\n";
+ $file=~s#/#::#g;
+ $file=~s/[.]pm$//;
+ my $class=$file;
+ $file=~s#::#/#g;
+ $file.=".pm";
+ 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 $caller eq $target;
+ next if $W->{'packages_used%'}{$caller}{$target}++;
+ push @{$W->{'packages_used@'}{$caller}},$target;
+ }
+ }
+ eval { CORE::require "$file"; } or confess $@;
+ 1; # Otherwise 'require' would already file above.
+ }
+
+ sub Wuse ($@)
+ {
+ my($file,@list)=@_;
+
+# print STDERR "Wuse $file\n";
+ Wrequire $file;
+ local $Exporter::ExportLevel=$Exporter::ExportLevel+1;
+ $file->import(@list);
+ 1;
+ }
+
+ sub import
+ {
+ my($class,@rest)=@_;
+
+ local $Exporter::ExportLevel=$Exporter::ExportLevel+1;
+ Wrequire("$class");
+ return $class->SUPER::import(@rest);
+ }
+}
+
+use WebConfig; # see also below: Wuse 'WebConfig';
require CGI; # for &escapeHTML
require Image::Size; # for &imgsize
use File::Basename; # &basename
+use Carp qw(cluck confess);
+use URI::Escape;
+require HTTP::BrowserDetect;
+require HTTP::Negotiate;
+my $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);
+use URI;
+use URI::QueryParam;
+use Cwd;
+
+
+#our $W;
+ # $W->{"title"}
+ # $W->{"head"}
+ # $W->{"force_charset"}
+ # $W->{"heading_done"}
+ # $W->{"footer_passed"}
+ # %{$W->{"headers"}}
+ # %{$W->{"headers_lc"}} # maps lc($headers_key)=>$headers_key
+ # @{$W->{'packages_used@'}{callers...}}
+ # %{$W->{'packages_used%'}{callers...}}
+ # %{$W->{"args"}}
-
-my %Args;
- # $Args{"title"}
- # $Args{"force_charset"}
-
-my $cvs_id_html;
sub init ($%)
{
my($class,%args)=@_;
- %WebConfig=(%WebConfig,%args); # override %WebConfig settings
+ print STDERR "$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::Sub';
+
+ my $packages_used_array_save=$W->{'packages_used@'};
+ my $packages_used_hash_save =$W->{'packages_used%'};
+ $W={};
+ tie %$W,"My::Hash::Sub";
+ %$W=(%WebConfig,%args); # override %WebConfig settings
+ $W->{'packages_used@'}=$packages_used_array_save;
+ $W->{'packages_used%'}=$packages_used_hash_save;
+ $W->{"__PACKAGE__"}||=caller();
+
+ # {"__PACKAGE__"} is mandatory for mod_perl-2.0;
+ # $Apache2::Registry::curstash is no longer supported.
+ do { cluck "No $_" if !$W->{$_}; } for "__PACKAGE__";
+
+ 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 ("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 ("head");
+ do { $W->{$_}="" if !defined $W->{$_}; } for ("body_attr");
+ do { $W->{$_}="en-US" if !defined $W->{$_}; } for ("language");
+
+ my $footer_any=0;
+ 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"};
+
+ $W->{"r"}=Apache2::RequestUtil->request();
+
+ tie *STDOUT,$W->{"r"};
+ select *STDOUT;
+ $|=1;
+
+ $W->{"QUERY_STRING"}=$W->{"r"}->args() || "";
+ if ($W->{"detect_ent"}) {
+ if ($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 (!defined $W->{"have_ent"} && $W->{"r"}->method() eq "GET") {
+ $W->{"head"}.='<meta http-equiv="Refresh" content="0; URL='
+ .escapeHTML("http://".$W->{"web_hostname"}."/".($W->{"r"}->uri()=~m#^/*(.*)$#)[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"});
+ # Workaround: &CGI::Vars behaves weird if strings passed both as POST data and in: $QUERY_STRING
+ do { $W->{"r"}->args(""); delete $ENV{"QUERY_STRING"}; } if $W->{"r"}->method() eq "POST";
+ # Do not: $W->{"r"}->args()
+ # as it parses only QUERY_STRING (not POST data).
+ $W->{"args"}={ CGI->new($W->{"r"})->Vars() };
+ for my $name (keys(%{$W->{"args"}})) {
+ my @vals=split /\x00/,$W->{"args"}{$name};
+ next if @vals<=1;
+ $W->{"args"}{$name}=[@vals];
+ }
+
+ do { $W->{$_}=$W->{"r"}->headers_in()->{"Accept"} if !defined $W->{$_}; } for ("accept");
+ do { $W->{$_}=$W->{"r"}->headers_in()->{"User-Agent"} if !defined $W->{$_}; } for ("user_agent");
- undef $WebConfig{"viewcvs"} if $ENV{"SCRIPT_NAME"} && $WebConfig{"viewcvs"} eq $ENV{"SCRIPT_NAME"};
- my @cvs_id_split=split / +/,$::CVS_ID;
- if (@cvs_id_split==8) {
- $cvs_id_split[2]=""
- ."<a href=\"".map({ s#/viewcvs/#&~checkout~/#; } $WebConfig{"viewcvs"})."?rev=".$cvs_id_split[2]."\">"
- .$cvs_id_split[2]."</a>";
- $cvs_id_split[1]="<a href=\"".$WebConfig{"viewcvs"}."\">".$cvs_id_split[1]."</a>";
- $cvs_id_split[5]="<a href=\"mailto:".$WebConfig{"admin_mail"}."\">".$cvs_id_split[5]."</a>";
+ $W->{"browser"}=HTTP::BrowserDetect->new($W->{"user_agent"});
+
+ if (!defined $W->{"have_style"}) {
+ $W->{"have_style"}=(!$W->{"browser"}->netscape() || ($W->{"browser"}->major() && $W->{"browser"}->major()>4) ? 1 : 0);
}
- $cvs_id_html=join " ",@cvs_id_split;
-}
-
-sub print_project ($)
-{
-my($class,$ListItem)=@_;
-
- print "<h1>".$ListItem->{"name"}."</h1>\n";
- print $ListItem->{"description"};
- print "<hr />\n";
- my @table=(
- {"key"=>qr(^download\b.*),"text"=>sub ($) {
- $_[0]=~s/^download//;
- $_[0]=~s/^-/ /;
- return "Download".$_[0];
- },
- "format"=>sub ($) {
- my $r;
- if ($_[0]=~m#^[a-z]+://#) {
- $r="<a href=\"".$_[0]."\">".CGI::escapeHTML($_[0])."</a>";
- }
- else {
- $r="<a href=\"".$_[0]."\">".CGI::escapeHTML(basename($_[0]))."</a>";
- my $size=(stat $_[0])[7];
- die "Cannot stat \"".$_[0]."\": $!" if !defined $size;
- if ($size>=1024*1024) { $size=int($size/(1024*1024))." MB"; }
- elsif ($size>=1024 ) { $size=int($size/(1024 ))." KB"; }
- else { $size=int($size )." B"; }
- $r.=" ($size)";
- }
- return $r;
- }},
- {"key"=>qr(^link\b.*),"text"=>sub ($) {
- $_[0]=~s/^link-//;
- return $_[0];
- },
- "format"=>sub ($) {
- return "<a href=\"".$_[0]."\">".CGI::escapeHTML($_[0])."</a>";
- }},
- {"key"=>"summary","text"=>"Summary"},
- {"key"=>"ownership","text"=>"Ownership"},
- {"key"=>"license","text"=>"License","format"=>sub ($) {
- my %known=(
- "PD"=>"Public Domain",
- "GPL"=>"<a href=\"http://www.gnu.org/licenses/gpl.html\">GNU General Public License</a>",
- "LGPL"=>"<a href=\"http://www.gnu.org/licenses/lgpl.html\">GNU Lesser General Public License</a>",
- );
- return $known{$_[0]};
- }},
- {"key"=>"maintenance","text"=>"Currently maintained?","format"=>sub ($) {
- my %known=(
- "finished"=>"Project is finished. Possible bug reports welcome although project not actively developed.",
- "dead"=>"Project became dead code, some updates would be required. It is no longer used, project is not supported.",
- "obsolete"=>"Obsolete as some other existing package superseded this one.",
- "merge"=>"Functions of this package should be merged to some other one.",
- "update"=>"Package needs updating to be fully usable, patches welcome.",
- "accepted"=>"This patch was accepted by the original package author. It has no longer any separate meaning.",
- );
- return $known{$_[0]};
- }},
- {"key"=>"reason","text"=>"Reason"},
- {"key"=>"sponsorship","text"=>"Sponsoring Company"},
- {"key"=>"language","text"=>"Programming language","format"=>sub ($) {
- return "<a href=\"http://java.sun.com/\">".CGI::escapeHTML($_[0])."</a>"
- if $_[0]=~/^Java\b/;
- return "<a href=\"http://www.php.net/\">".CGI::escapeHTML($_[0])."</a>"
- if $_[0]=~/^PHP\b/;
- return undef();
- }},
- );
- print '<table border="0">'."\n";
-sub tableit_func
+ $W->{"have_js"}=($W->{"args"}{"have_js"} ? 1 : 0);
+ if ($W->{"detect_js"} && !$W->{"have_js"}) {
+ $W->{"head"}.='<script type="text/javascript" src="'.path_web('/have_js.pm').'"></script>'."\n";
+ }
+
+ do { args_check(%$_) if $_; } for ($W->{"args_check"});
+
+ $ENV{"HOSTNAME"}||=$W->{"web_hostname"};
+
+ return bless $W,$class;
+}
+
+# Although we have &tie-d *STDOUT we try to not to be dependent on it in My::Web itself.
+sub Wprint($%)
{
-my($tableit,$val,$key,$ListItem)=@_;
+my($text,%args)=@_;
+
+ cluck "undef Wprint" if !defined $text && !$args{"undef"};
+ delete $args{"undef"};
+ cluck join(" ","Invalid arguments:",keys(%args)) if keys(%args);
+ $W->{"r"}->puts($text) if defined $text;
+}
- print "<tr><td>";
- if (!ref $tableit->{"text"}) {
- print $tableit->{"text"};
+sub escapeHTML($)
+{
+my($text)=@_;
+
+ # Use &eval to prevent: Global $r object is not available. Set:\n\tPerlOptions +GlobalRequest\nin ...
+ # CGI requires valid "r": check it beforehand here.
+ confess "Calling dynamic URL generator from a static code" if !eval { Apache2::RequestUtil->request(); };
+ return CGI::escapeHTML($text);
+}
+
+# local *FH;
+# tie *FH,ref($W),$W;
+sub TIEHANDLE($)
+{
+my($class,$W)=@_;
+
+ my $self={};
+ $self->{"W"}=$W or confess "Missing W";
+ return bless $self,$class;
+}
+
+sub WRITE
+{
+my($self,$scalar,$length,$offset)=@_;
+
+ Wprint substr($scalar,0,$length);
+}
+
+# /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;
}
- else {
- my $textfunc=$tableit->{"text"};
- my $key=$key;
- print &$textfunc($key);
+ return $dir_top_abs_disk;
+}
+
+sub unparsed_uri()
+{
+ if (!$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://".($W->{"web_hostname"}||$WebConfig{"web_hostname"})."/");
+ $W->{"unparsed_uri"}=$uri;
}
- print ":</td>";
- if ($tableit->{"format"}) {
- my $format=$tableit->{"format"};
- my $valn=&$format($val);
- $val=$valn if defined $valn;
+ 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: $in";
}
- print "<td>$val</td></tr>\n";
- delete $ListItem->{$key};
+ my $uri=URI->new_abs($in,unparsed_uri());
+ $uri=$uri->canonical();
+ return $uri;
}
- for my $tableit (@table) {
- if (!ref $tableit->{"key"}) {
- tableit_func($tableit,$ListItem->{$tableit->{"key"}},$tableit->{"key"},$ListItem) if $ListItem->{$tableit->{"key"}};
- }
- else {
- for my $key (keys(%$ListItem)) {
- my $keyregex=$tableit->{"key"};
- next if $key!~/$keyregex/;
- tableit_func($tableit,$ListItem->{$key},$key,$ListItem);
- }
+# $args{"uri_as_in"}=1 to permit passing URI objects as: $in
+sub path_web($%)
+{
+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.
+ $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 $uri->abs(unparsed_uri()) if $W->{"args"}{"Wabs"} || $args{"abs"};
+ return $uri->rel(unparsed_uri());
+}
+
+# $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 $path!~m{^/};
+ return dir_top_abs_disk().$path;
+}
+
+sub fatal (;$);
+
+sub args_check (%)
+{
+my(%tmpl)=@_;
+
+ while (my($name,$regex)=each(%tmpl)) {
+ 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;
+ for my $val (!ref $W->{"args"}{$name} ? $W->{"args"}{$name} : @{$W->{"args"}{$name}}) {
+ $val="" if !defined $val;
+ fatal "$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/;
}
}
- print "</table>\n";
- print "<p> </p>\n";
}
-# $args{"ListItem"}=\%...;
-sub init_project ($%)
+sub vskip (;$)
{
-my($class,%args)=@_;
+my($height)=@_;
- my $ListItem=$args{"ListItem"};
- my $name=$ListItem->{"name"};
- $name=~s#<a\s[^>]*>([^<]*)</a>#$1#g;
- init($class,
- "title"=>$name,
- %args);
- heading();
- $class->print_project($ListItem);
+ return '<p'.(!defined $height ? "" : ' style="height: '.$height.';"').'> </p>'."\n";
}
sub fatal (;$)
my($msg)=@_;
$msg="UNKNOWN" if !$msg;
-
-# heading(false/*title*/,false/*indexme*/); // notitle is always safe, don't index the error message
- print("\n<p> <br /> </p><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
+ My::Web->heading();
+ }
+ Wprint "\n".vskip("3ex")."<hr /><h1 class=\"error\">FATAL ERROR: $msg!</h1>\n"
."<p>You can report this problem's details to"
- ." <a href=\"mailto:".$WebConfig{"admin_mail"}."\">admin of this website</a>.</p>\n");
-# footer();
+ ." ".a_href("mailto:".$W->{"admin_mail"},"admin of this website").".</p>\n";
+ footer();
}
-my $footer_passed;
sub footer (;$)
{
-my($delimit)=@_;
+ exit 1 if $W->{"footer_passed"}++; # deadlock prevention:
+
+ Wprint vskip if $W->{"footer_delimit"};
+
+ Wprint $W->{"footing_delimit"},"undef"=>1;
- $delimit=1 if !defined $delimit;
+ Wprint "<hr />\n" if $W->{"footer"};
- exit(1) if $footer_passed++; # deadlock prevention:
+ my $packages_used=$W->{'packages_used@'}{$W->{"__PACKAGE__"}};
- if (0) {
- print "<p> </p>\n" if $delimit;
- print "<hr />\n<p class=\"cvs-id\">$cvs_id_html</p>\n";
+ if ($W->{"footer_ids"}) {
+ Wprint '<p class="cvs-id">';
+ Wprint join("<br />\n",map({ my $package=$_;
+ my $cvs_id=(eval('$'.$package."::CVS_ID")
+# || $package # debug
+ );
+ if (!$cvs_id) {
+ ();
+ }
+ else {
+ $cvs_id='$'.$cvs_id.'$'; # Eaten by 'q' operator.
+ my @cvs_id_split=split / +/,$cvs_id;
+ if (@cvs_id_split==8) {
+ my $file=$package;
+ $file=~s#::#/#g;
+ my $ext;
+ my @tried;
+ for (qw(.pm)) {
+ $ext=$_;
+ 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;
+ $cvs_id_split[2]=""
+ .a_href((map({ my $s=$_; $s=~s#/viewcvs/#$&~checkout~/#; $s; } $W->{"viewcvs"}))[0]."$file?rev=".$cvs_id_split[2],
+ $cvs_id_split[2]);
+ $cvs_id_split[1]=a_href($W->{"viewcvs"}.$file,
+ ($package!~/^Apache2::/ ? $package : $cvs_id_split[1]));
+ $cvs_id_split[5]=&{$W->{"cvs_id_author_sub"}}($cvs_id_split[5]);
+ }
+ join " ",@cvs_id_split;
+ }
+ } @$packages_used));
+ Wprint "</p>\n";
}
- print "</body></html>\n";
- exit(0);
-}
-my $heading_done;
+ for my $package (@$packages_used) {
+ my $cvs_id=(eval('$'.$package."::CVS_ID")
+# || $package # debug
+ );
+ Wprint '<!-- '.$package.' - $'.$cvs_id.'$ -->'."\n" if $cvs_id;
+ }
+
+ Wprint $W->{"footing"},"undef"=>1;
+
+ Wprint "</body></html>\n";
+ exit 0;
+}
-my %headers;
-my %headers_lc; # maps lc($headers_key)=>$headers_key
sub header (%)
{
my(%pairs)=@_;
while (my($key,$val)=each(%pairs)) {
- do { warn "Headers already sent"; next; } if $heading_done;
- for ($headers_lc{lc $key} || ()) {
- delete $headers{$_};
+ do { cluck "Headers already sent"; next; } if $W->{"heading_done"};
+ for ($W->{"headers_lc"}{lc $key} || ()) {
+ delete $W->{"headers"}{$_};
}
- $headers_lc{lc $key}=$key;
- $headers{$key}=$val;
+ $W->{"headers_lc"}{lc $key}=$key;
+ $W->{"headers"}{$key}=$val;
}
}
+sub size_display ($)
+{
+my($size)=@_;
+
+ if ($size<4096)
+ {}
+ elsif ($size<1024*1024)
+ { $size=sprintf "%.1fK",$size/1024; }
+ else
+ { $size=sprintf "%.1fM",$size/1024/1024; }
+ $size.="B";
+ return $size;
+}
+
+sub uri_is_local($)
+{
+my($in)=@_;
+
+ 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 $uri_rel->authority();
+ return 1;
+}
+
+# &path_web still may be required for &uri_escaped !
+sub uri_escaped($)
+{
+my($uri)=@_;
+
+ cluck if !ref $uri;
+ my $urient=escapeHTML($uri);
+ return $uri if $uri eq $urient;
+ return $urient if uri_is_local $uri;
+ return $uri if defined $W->{"have_ent"} && !$W->{"have_ent"}; # non-ent client
+ return $urient if $W->{"have_ent"}; # ent client
+ # Unknown client, &escapeHTML should not be needed here:
+ return escapeHTML(path_web('/Redirect.pm?location='.uri_escape($uri->abs(unparsed_uri()))));
+}
+
+sub a_href($;$%)
+{
+my($in,$contents,%args)=@_;
+
+ do { $$_=1 if !defined $$_; } for (\$args{"size"});
+ if (!defined $contents) {
+ $contents=$in;
+ $contents=File::Basename::basename($contents) if $args{"basename"};
+ $contents=escapeHTML($contents);
+ }
+ $contents=~s#<a\b[^>]*>##gi;
+ $contents=~s#</a>##gi;
+
+ 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 ($args{"size"} && uri_is_local($in) && ($args{"size"}>=2 || $in=~/[.](?:gz|Z|rpm|zip|deb|lha)/)) { # Downloadable?
+ my $path_abs_disk=path_abs_disk $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 input_hidden_persistents()
+{
+ 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($$;$)
+{
+my($self,$url,$status)=@_;
+
+ $url=path_web($url,"abs"=>1);
+ $status||=HTTP_MOVED_TEMPORARILY;
+ $W->{"r"}->status($status);
+ $W->{"r"}->headers_out()->{"Location"}=$url;
+ $W->{"header_only"}=1;
+ My::Web->heading();
+ exit;
+ die "NOTREACHED";
+}
+
+sub remote_ip ()
+{
+ # Do not: PerlModule Apache2::ForwardedFor
+ # PerlPostReadRequestHandler Apache2::ForwardedFor
+ # As 'Apache2::ForwardedFor' takes the first of $ENV{"HTTP_X_FORWARDED_FOR"}
+ # while the contents is '127.0.0.1, 213.220.195.171' if client has its own proxy.
+ # We must take the last item ourselves.
+ my $r=$W->{"r"}->headers_in()->{"X-Forwarded-For"} || $W->{"r"}->get_remote_host();
+ $r=~s/^.*,\s*//;
+ return $r;
+}
+
+sub is_cz ()
+{
+ return 0 if !$have_Geo_IP;
+ return "CZ" eq Geo::IP->new()->country_code_by_addr(remote_ip());
+}
+
+sub a_href_cz ($$;%)
+{
+my($url,$contents,%args)=@_;
+
+ return a_href $url,$contents,%args if is_cz();
+ return $contents;
+}
+
+sub make ($)
+{
+my($cmd)=@_;
+
+ # FIXME: &alarm, --timeout is now infinite.
+ # FIXME: Try to remove bash(1).
+ # FIXME: Use: @PATH_FLOCK@
+ my @argv=('flock',dir_top_abs_disk(),'bash','-c',$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)=@_;
- return((1 #$have_style TODO:dyn
- ? "style=\"border:0;width:${width}px;height:${height}px\"" : "border=\"0\"")
- ." width=\"$width\" height=\"$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\"";
+}
+
+sub negotiate_variant (%)
+{
+my(%args)=@_;
+
+ my @fields=("id","qs","content-type","encoding","charset","lang","size");
+ return [ map(($args{$_}),@fields) ];
+}
+
+# Input: $self is required!
+# Input: Put the fallback variant as the first one.
+# Returns: always only scalar!
+sub Negotiate_choose($$)
+{
+my($self,$variants)=@_;
+
+ my $best=HTTP::Negotiate::choose($variants,
+ # Do not: $W->{"r"}
+ # to prevent: Can't locate object method "scan" via package "Apache2::RequestRec" at HTTP/Negotiate.pm line 84.
+ # Do not: $W->{"r"}->headers_in()
+ # to prevent: Can't locate object method "scan" via package "APR::Table" at HTTP/Negotiate.pm line 84.
+ # Do not: HTTP::Headers->new($W->{"r"}->headers_in());
+ # to prevent empty result or even: Odd number of elements in anonymous hash
+ HTTP::Headers->new(%{$W->{"r"}->headers_in()}));
+ $best||=$variants->[0]{"id"}; # &HTTP::Negotiate::choose failed?
+ return $best;
+}
+
+my @img_variants=(
+ { "id"=>"png","qs"=>0.9,"content-type"=>"image/png" },
+ { "id"=>"gif","qs"=>0.7,"content-type"=>"image/gif" },
+ );
+my $img_variants_re='[.](?:'.join('|',"jpeg",map(($_->{"id"}),@img_variants)).')$';
+
+# Returns: ($path_web,$path_abs_disk)
+# URI path segments support ignored here. Where it is used? (';' path segment options)
+sub _img_src($%)
+{
+my($in,%args)=@_;
+
+ cluck if !uri_is_local $in;
+ my $uri=in_to_uri_abs $in;
+ my $path_abs_disk=path_abs_disk $uri,%args,"uri_as_in"=>1;
+
+ # Known image extension?
+ return path_web($uri,%args,"uri_as_in"=>1),$path_abs_disk if $uri->path()=~m#$img_variants_re#o;
+
+ my @nego_variants;
+ for my $var (@img_variants) {
+ my $path_abs_disk_variant=$path_abs_disk.".".$var->{"id"};
+ __PACKAGE__->make_file($path_abs_disk_variant);
+ push @nego_variants,negotiate_variant(
+ %$var,
+ "size"=>(stat $path_abs_disk_variant)[7],
+ );
+ }
+ my $ext=__PACKAGE__->Negotiate_choose(\@nego_variants);
+
+ $uri->path($uri->path().".$ext");
+ return path_web($uri,%args,"uri_as_in"=>1),path_abs_disk($uri,%args,"uri_as_in"=>1);
}
-sub img ($$;$)
+# $args{"attr"}
+sub img ($$%)
{
-my($file,$alt,$attrs)=@_;
+my($in,$alt,%args)=@_;
+
+ my($path_web,$path_abs_disk)=_img_src($in,%args);
+ my($width,$height)=Image::Size::imgsize($path_abs_disk);
+ $alt=~s/<[^>]*>//g;
+ $alt=escapeHTML($alt);
+ my $content="<img src=\"".uri_escaped($path_web)."\" alt=\"$alt\" title=\"$alt\" ".img_size($width,$height)
+ .(!$args{"attr"} ? "" : " ".$args{"attr"})." />";
+ do { return a_href((_img_src($_))[0],$content,"uri_as_in"=>1) if $_; } for $args{"a_href_img"};
+ do { return a_href $_,$content if $_; } for $args{"a_href"};
+ return $content;
+}
- (my $file_det=$file)=~s/[.]mng$/.gif/;
- my($width,$height)=Image::Size::imgsize($file_det);
- $alt=CGI::escapeHTML($alt);
- return("<img src=\"$file\" alt=\"$alt\" title=\"$alt\" ".img_size($width,$height)
- .(!defined($attrs) ? "" : " ".$attrs)." />");
+sub centerimg
+{
+ my $r="";
+ $r.='<table border="0" width="100%"><tr>'."\n";
+ @_=( [@_] ) if !ref $_[0];
+ for (@_) {
+ $r.="\t".'<td align="center">'.&{\&img}(@$_).'</td>'."\n";
+ }
+ $r.='</tr></table>'."\n";
+ return $r;
}
-sub readfile ($$)
+sub rightimg
+{
+my($text,@args_img)=@_;
+
+ # FIXME: Workaround bug of 'Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1)':
+ # <col width="@{[ (!$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%">
+ <tr>
+ <td align="left">
+ @{[ $text ]}
+ </td>
+ <td align="right">
+ @{[ &{\&img}(@args_img) ]}
+ </td>
+ </tr>
+</table>
+HERE
+}
+
+sub readfile($$)
{
my($class,$filename)=@_;
local *F;
- open F,$filename or die "Cannot open \"$filename\": $!";
- local $/=undef();
- my $data=<F>;
- close F;
- return $data;
+ open F,$filename or cluck "Cannot open \"$filename\": $!";
+ my $F=do { local $/=undef(); <F>; };
+ close F or cluck "Cannot close \"$filename\": $!";
+ return $F;
}
-sub heading (;$$)
+sub no_cache($)
{
-my($class,$showtitle,$indexme)=@_;
+my($self)=@_;
- $showtitle=1 if !defined $showtitle;
- $indexme=1 if !defined $indexme;
+ header("Expires"=>"Mon, 26 Jul 1997 05:00:00 GMT"); # date in the past
+ header("Last-Modified"=>strftime("%a, %d %b %Y %H:%M:%S GMT",gmtime())); # always modified
+ header("Cache-Control"=>"no-cache, must-revalidate"); # HTTP/1.1
+ header("Pragma"=>"no-cache"); # HTTP/1.0
+}
+
+sub heading()
+{
+my($class)=@_;
# $ENV{"CLIENT_CHARSET"} ignored (mod_czech support dropped!)
- my $client_charset=$Args{"force_charset"} || "us-ascii";
- header("Content-type"=>"text/html; charset=$client_charset");
+ my $client_charset=$W->{"force_charset"} || "us-ascii";
header("Content-Style-Type"=>"text/css");
+ header("Content-Script-Type"=>"text/javascript");
+ do { header("Content-Language"=>$_) if $_; } for $W->{"language"};
+ $class->no_cache() if $W->{"no_cache"};
- if ($ENV{"SERVER_SOFTWARE"}) {
- while (my($key,$val)=each(%headers)) {
- print "$key: $val\n";
- }
- print "\n";
- }
-
- return if $heading_done++;
-
- if (1) { # || !$msie_major || $msie_major>=4) # TODO:dyn
- print '<?xml version="1.0" encoding="'.$client_charset.'"?>'."\n";
+ while (my($key,$val)=each(%{$W->{"headers"}})) {
+ $W->{"r"}->headers_out()->{$key}=$val;
}
- print '<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd">'."\n";
- print '<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en-US">'."\n";
- print '<head><title>'.CGI::escapeHTML($WebConfig{"title_prefix"})
- .join("",map({ ': '.CGI::escapeHTML($_); } ($WebConfig{"title"} || ())))
- .'</title>'."\n";
-
- if (1) { # || $have_css) # TODO:dyn
- 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;
+ exit if $W->{"r"}->header_only();
+ return if $W->{"header_only"};
+ # 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"}++;
+
+ my $lang=($W->{"language"}||"en-US");
+ # 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
+ my $mime=$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,
+ "charset"=>$client_charset,
+ "lang"=>$lang,
+ ),
+ negotiate_variant(
+ "id"=>"application/xhtml+xml",
+ "content-type"=>"application/xhtml+xml",
+ "qs"=>0.6,
+ "charset"=>$client_charset,
+ "lang"=>$lang,
+ ),
+ # application/xml ?
+ # text/xml ?
+ ]);
+ $W->{"r"}->content_type("$mime; charset=$client_charset");
+ if (1) { # (|| !$msie_major || $msie_major>=4) # TODO:dyn
+ Wprint '<?xml version="1.0" encoding="'.$client_charset.'"?>'."\n";
}
-:link { color: aqua; background-color: transparent; }
-:visited { color: teal; background-color: transparent; }
-h1,h2 { color: yellow; background-color: transparent; }
-.footer img { vertical-align: middle; }
+ 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="'.$lang.'">'."\n";
+ my $title=$W->{"title_prefix"}.join("",map({ ': '.$_; } ($W->{"title"} || ())));
+ $title=~s#<[^>]*>##g;
+ Wprint "<head>";
+ Wprint "<title>$title</title>\n";
+ if ($W->{"have_css"}) {
+ # Everything can get overriden later.
+ Wprint <<"HERE";
+<link rel="stylesheet" type="text/css" href="@{[ uri_escaped(path_web "/My/Web.css") ]}" />
HERE
-
-# TODO:dyn
-# if (isset($head_css))
-# print(trim($head_css)."\n");
- print "--></style>\n";
}
+ Wprint '<meta name="robots" content="'.($W->{"indexme"} ? "" : "no" ).'index,follow" />'."\n";
+ Wprint $W->{"head"};
+ for my $type (qw(prev next index contents start up)) {
+ do { Wprint '<link rel="'.$type.'" href="'.uri_escaped(path_web $_).'" />'."\n" if $_; }
+ for ($W->{"rel_$type"});
+ }
+ Wprint "</head><body";
+# Wprint ' bgcolor="black" text="white" link="aqua" vlink="teal"'
+# if $W->{"browser"}->netscape() && (!$W->{"browser"}->major() || $W->{"browser"}->major()<=4);
+ Wprint $W->{"body_attr"};
+ Wprint ">\n";
- print '<meta name="robots" content="'.($indexme ? "" : "no" ).'index,follow" />'."\n";
- print $_ for ($WebConfig{"head"} || ());
- print "</head><body";
-# TODO:dyn
-# if (isset($mozilla_major) && $mozilla_major==4)
-# print(" bgcolor=\"black\" text=\"white\" link=\"aqua\" vlink=\"teal\"");
- print ">\n";
-# if ($showtitle)
-# print("<h1 class=\"centered\"><a href=\"/\">"
-# ."Energie & PenÃze")
-# ."</a></h1>\n");
+ Wprint $W->{"heading"},"undef"=>1;
}
+BEGIN {
+ delete $W->{"__My::Web_init"};
+ }
+
1;
git://git.jankratochvil.net / MyWeb.git / blobdiff