heading+topdir
[MyWeb.git] / Web.pm
diff --git a/Web.pm b/Web.pm
index f6c9a79..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
@@ -38,6 +36,7 @@ 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'
@@ -71,12 +70,23 @@ 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");
        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");
 
+       my $footer_any=0;
+       for (qw(footer_mailme 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();
 
        $W->{"QUERY_STRING"}=$W->{"r"}->args() || "";
@@ -94,7 +104,10 @@ my($class,%args)=@_;
                }
        $W->{"QUERY_STRING"}=~s/([&])amp;/$1/g;
        $W->{"r"}->args($W->{"QUERY_STRING"});
-       $W->{"args"}={ $W->{"r"}->args() };
+       $ENV{"QUERY_STRING"}=$W->{"QUERY_STRING"};
+       # Do not: $W->{"r"}->args()
+       # as it  parses only QUERY_STRING (not POST data).
+       $W->{"args"}={ CGI->new()->Vars() };
 
        do { $W->{$_}=$ENV{"HTTP_ACCEPT"} if !defined $W->{$_}; } for ("accept");
        do { $W->{$_}=$ENV{"HTTP_USER_AGENT"} if !defined $W->{$_}; } for ("user_agent");
@@ -107,7 +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"});
@@ -115,6 +128,12 @@ my($class,%args)=@_;
        return $W;
 }
 
+sub top_dir ()
+{
+       do { return $_ if $_; } for ($W->{"top_dir"});
+       return $INC[0]; # fallback
+}
+
 sub require ($)
 {
 my($file)=@_;
@@ -140,7 +159,8 @@ my(%tmpl)=@_;
        while (my($name,$regex)=each(%tmpl)) {
                my $name_html="Parametr <span class=\"quote\">".CGI::escapeHTML($name)."</span>";
                my $val=$W->{"args"}{$name};
-               fatal "$name_html does not match required regex <span class=\"quote\">".CGI::escapeHTML($regex)."</span>"
+               fatal "$name_html <span class=\"quote\">".CGI::escapeHTML($val)."</span>"
+                                               ." does not match required regex <span class=\"quote\">".CGI::escapeHTML($regex)."</span>"
                                if defined $val && $val!~/$regex/;
                fatal "$name_html is required"
                                if !defined $val;
@@ -171,10 +191,26 @@ sub footer (;$)
 {
        exit 1 if $W->{"footer_passed"}++;      # deadlock prevention:
 
-       if ($W->{"footer_ids"}) {
-               print vskip if $W->{"footer_delimit"};
-               print '<hr /><p class="cvs-id">';
+       print vskip if $W->{"footer_delimit"};
+
+       print "<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";
+               }
 
+       if ($W->{"footer_ids"}) {
+               print '<p class="cvs-id">';
                print join("<br />\n",map({ my $package=$_;
                        my $cvs_id=(eval('$'.$package."::CVS_ID")
 #                                      || $package     # debug
@@ -191,7 +227,7 @@ sub footer (;$)
                                        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;
@@ -207,10 +243,16 @@ sub footer (;$)
                        } (
                                        $W->{"__PACKAGE__"},
                                        __PACKAGE__,
+                                       "WebConfig",
                                        @{$W->{"packages_used"}{$Apache::Registry::curstash}},
                                        )));
                print "</p>\n";
                }
+
+       if ($W->{"heading"}) {
+               do { &{$_}() if $_; } for ($W->{"footing"});
+               }
+
        print "</body></html>\n";
        exit(0);
 }
@@ -254,7 +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 $r='<a href="';
@@ -268,9 +310,9 @@ my($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 {
@@ -287,14 +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"};
+       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());
 }
 
@@ -328,34 +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,$height)
@@ -393,6 +438,7 @@ my($class)=@_;
        # $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");
 
        while (my($key,$val)=each(%{$W->{"headers"}})) {
                $W->{"r"}->header_out($key,$val);
@@ -429,6 +475,7 @@ body {
 :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; }
 HERE
                print $W->{"head_css"}."\n";
@@ -441,6 +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;