heading+topdir
[MyWeb.git] / Web.pm
diff --git a/Web.pm b/Web.pm
index 33e0310..4b8d6cb 100644 (file)
--- a/Web.pm
+++ b/Web.pm
@@ -23,10 +23,8 @@ our $CVS_ID=q$Id$;
 use strict;
 use warnings;
 
-use lib qw(/home/short/lib/perl5/site_perl/5.6.0/i386-linux /home/short/lib/perl5/site_perl/5.6.0 /home/short/lib/perl5/site_perl/i386-linux /home/short/lib/perl5/site_perl /home/short/lib/perl5/5.6.0/i386-linux /home/short/lib/perl5/5.6.0 /home/short/lib/perl5/i386-linux /home/short/lib/perl5);
-
 use Exporter;
-our @EXPORT=qw(&require &a_href &a_href_cz &vskip &img $W);
+our @EXPORT=qw(&require &a_href &a_href_cz &vskip &img $W &top_dir);
 our @ISA=qw(Exporter);
 
 use WebConfig; # for %WebConfig
@@ -72,6 +70,7 @@ my($class,%args)=@_;
        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");
@@ -121,7 +120,7 @@ my($class,%args)=@_;
 
        $W->{"have_js"}=($W->{"args"}{"have_js"} ? 1 : 0);
        if ($W->{"detect_js"} && !$W->{"have_js"}) {
-               $W->{"head"}.='<script type="text/javascript" src="'.$W->{"top_dir"}.'/have_js.js.pl"></script>'."\n";
+               $W->{"head"}.='<script type="text/javascript" src="'.top_dir().'/have_js.js.pl"></script>'."\n";
                }
 
        do { args_check(%$_) if $_; } for ($W->{"args_check"});
@@ -129,6 +128,12 @@ my($class,%args)=@_;
        return $W;
 }
 
+sub top_dir ()
+{
+       do { return $_ if $_; } for ($W->{"top_dir"});
+       return $INC[0]; # fallback
+}
+
 sub require ($)
 {
 my($file)=@_;
@@ -191,7 +196,7 @@ sub footer (;$)
        print "<hr />\n" if $W->{"footer"};
 
        if ($W->{"footer_mailme"}) {
-               print '<form action="'.$W->{"top_dir"}.'/SendMsg.pl" method="post" onsubmit="'
+               print '<form action="'.top_dir().'/SendMsg.pl" method="post" onsubmit="'
                                ."this.elements['msgscript'].value=this.elements['msghtml'].value;"
                                ."this.elements['msghtml'].value='';"
                                ."this.submit();"
@@ -222,7 +227,7 @@ sub footer (;$)
                                        my $ext;
                                        for (qw(.html.pl .pl .pm),"") {
                                                $ext=$_;
-                                               last if -r $W->{"top_dir"}."/$file$ext";
+                                               last if -r top_dir()."/$file$ext";
                                                cluck "Class file $file not found" if !$ext;
                                                }
                                        $file.=$ext;
@@ -243,6 +248,11 @@ sub footer (;$)
                                        )));
                print "</p>\n";
                }
+
+       if ($W->{"heading"}) {
+               do { &{$_}() if $_; } for ($W->{"footing"});
+               }
+
        print "</body></html>\n";
        exit(0);
 }
@@ -286,7 +296,7 @@ sub a_href ($;$%)
 {
 my($url,$contents,%args)=@_;
 
-       do { $$_=1 if !defined $$_; } for ($args{"size"});
+       do { $$_=1 if !defined $$_; } for (\$args{"size"});
        $contents=CGI::escapeHTML($url) if !defined $contents;
 
        my $r='<a href="';
@@ -300,9 +310,9 @@ my($url,$contents,%args)=@_;
        elsif ($W->{"have_ent"})        # ent client
                { $r.=$urlent; }
        else    # unknown client, &CGI::escapeHTML should not be needed here
-               { $r.=CGI::escapeHTML("http://".$W->{"r"}->hostname()."/Redirect.pl?location=".uri_escape($url)); }
+               { $r.=CGI::escapeHTML(top_dir()."/Redirect.pl?location=".uri_escape($url)); }
        $r.='">'.$contents.'</a>';
-       if ($args{"size"} && url_is_local($url) && $url=~/[.](?:gz|rpm|zip|deb)/) {     # Downloadable?
+       if ($args{"size"} && url_is_local($url) && $url=~/[.](?:gz|Z|rpm|zip|deb|lha)/) {       # Downloadable?
                if (!-r $url)
                        { cluck "File not readable: $url"; }
                else {
@@ -319,14 +329,13 @@ sub remote_ip ()
        # As 'Apache::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"}->remote_host();
+       my $r=$ENV{"HTTP_X_FORWARDED_FOR"} || $W->{"r"}->get_remote_host();
        $r=~s/^.*,\s*//;
        return $r;
 }
 
 sub is_cz ()
 {
-print STDERR "IP=".remote_ip()."\n";
        return "CZ" eq Geo::IP->new()->country_code_by_addr(remote_ip());
 }
 
@@ -360,34 +369,38 @@ my @img_variants=(
                );
 my $img_variants_re='[.](?:'.join('|',map(($_->{"id"}),@img_variants)).')$';
 
+sub img_src ($)
+{
+my($file_base)=@_;
+
+       return $file_base if !url_is_local($file_base)
+                       # Known image extension?
+                       || $file_base=~m#$img_variants_re#o;
+
+       my @nego_variants;
+       for my $var (@img_variants) {
+               my $file=$file_base.".".$var->{"id"};
+               # TODO: Somehow quickly check dependencies?
+               system 'make >&2 -s --no-print-directory'
+                                               .' -C '."'".File::Basename::dirname($file)."' '".File::Basename::basename($file)."'"
+                               if !-f $file;
+               push @nego_variants,negotiate_variant(
+                               %$var,
+                               "size"=>(stat $file)[7],
+                               );
+               }
+       # Do not: ,$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 $file_base.".".$ext;
+}
+
 sub img ($$;$)
 {
 my($file_base,$alt,$attrs)=@_;
 
-       my $file;
-       if (url_is_local($file_base)
-                       # No known image extension?
-                       && $file_base!~m#$img_variants_re#o) {
-               my @nego_variants;
-               for my $var (@img_variants) {
-                       $file=$file_base.".".$var->{"id"};
-                       # TODO: Somehow quickly check dependencies?
-                       system 'make >&2 -s --no-print-directory'
-                                                       .' -C '."'".File::Basename::dirname($file)."' '".File::Basename::basename($file)."'";
-#                                      if !-f $file;
-                       push @nego_variants,negotiate_variant(
-                                       %$var,
-                                       "size"=>(stat $file)[7],
-                                       );
-                       }
-               # Do not: ,$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?
-               $file=$file_base.".".$ext;
-               }
-       else
-               { $file=$file_base; }
+       my $file=img_src $file_base;
        my($width,$height)=Image::Size::imgsize($file);
        $alt=CGI::escapeHTML($alt);
        return "<img src=\"$file\" alt=\"$alt\" title=\"$alt\" ".img_size($width,$height)
@@ -475,6 +488,10 @@ HERE
        print ' bgcolor="black" text="white" link="aqua" vlink="teal"'
                        if $W->{"browser"}->netscape() && $W->{"browser"}->major<=4;
        print ">\n";
+
+       if ($W->{"heading"}) {
+               do { &{$_}() if $_; } for ($W->{"heading"});
+               }
 }
 
 1;