# $Id$
# 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 &Wprint &input_hidden_persistents);
-our @ISA=qw(Exporter Tie::Handle);
+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
+ &escapeHTML
+ );
+our @ISA=qw(Tie::Handle Exporter);
+
+my %packages_used_hash;
+my %packages_used_array;
BEGIN
{
+ use Carp qw(cluck confess);
$W->{"__My::Web_init"}=1;
sub Wrequire ($)
my $class=$file;
$file=~s#::#/#g;
$file.=".pm";
- my $who=$W->{"__PACKAGE__"};
- $who||="__My::Web" if $W->{"__My::Web_init"};
- if ($who) {
- my $aref=($W->{"packages_used"}{$who}||=[]);
- push @$aref,$class
- if !{ map(($_=>1),@$aref) }->{$class}; # Prevent duplicated entries.
+ my %callers;
+ for (my $depth=0;defined caller($depth);$depth++) {
+ $callers{caller($depth)}=1;
}
- CORE::require $file;
+ my $selfpkg=__PACKAGE__;
+ $callers{$selfpkg}=1;
+ for my $target ($class,__PACKAGE__) {
+ for my $caller (keys(%callers)) {
+ next if $caller eq $target;
+ next if $packages_used_hash{$caller}{$target}++;
+ push @{$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 CGI;
require Image::Size; # for &imgsize
use File::Basename; # &basename
use Carp qw(cluck confess);
# I do not know why.
use POSIX qw(strftime);
use Tie::Handle;
-use Apache2::Const qw(HTTP_MOVED_TEMPORARILY);
+use Apache2::Const qw(HTTP_MOVED_TEMPORARILY OK);
use URI;
use URI::QueryParam;
+use Cwd;
#our $W;
# $W->{"footer_passed"}
# %{$W->{"headers"}}
# %{$W->{"headers_lc"}} # maps lc($headers_key)=>$headers_key
- # @{$W->{"packages_used"}{$W->{"__PACKAGE__"}}}
- # @{$W->{"packages_used"}{"__My::Web"}}
# %{$W->{"args"}}
+sub cleanup($)
+{
+my($apache_request)=@_;
+
+ # Sanity protection.
+ $W=undef();
+ return OK;
+}
+
+sub request_check(;$)
+{
+my($self)=@_;
+
+ # Use &eval to prevent: Global $r object is not available. Set:\n\tPerlOptions +GlobalRequest\nin ...
+ # CGI requires valid "r": check it beforehand here.
+ confess "Calling sensitive dynamic code from a static code" if !eval { Apache2::RequestUtil->request(); };
+ # Do not: confess "Calling sensitive dynamic code without My::Web::init" if !$W->{"__PACKAGE__"};
+ # as it is valid at least while preparing arguments to call: &project::Lib::init
+}
+
sub init ($%)
{
my($class,%args)=@_;
print STDERR "$class->init ".Apache2::RequestUtil->request()->unparsed_uri()."\n";
- my $packages_used_save=$W->{"packages_used"};
- $W={ %WebConfig,%args }; # override %WebConfig settings
- $W->{"packages_used"}=$packages_used_save;
+ # 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';
+
+ $W={};
+ tie %$W,"My::Hash::Sub";
+ %$W=(%WebConfig,%args); # override %WebConfig settings
+ $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__";
- $W->{"top_dir"}||=eval '$'.$W->{"__PACKAGE__"}.'::top_dir';
+ # See: &escapeHTML
+ do { cluck "charset==$_, expecting ISO-8859-1" if $_ ne "ISO-8859-1"; } for CGI::charset();
+ CGI::charset("utf-8");
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_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 { $W->{$_}="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->{"r"}=Apache2::RequestUtil->request();
+ $W->{"r"}->push_handlers("PerlCleanupHandler"=>\&cleanup);
+
+ $W->{"web_hostname"}||=$W->{"r"}->hostname();
+
+ tie *STDOUT,$W->{"r"};
+ select *STDOUT;
+ $|=1;
+
$W->{"QUERY_STRING"}=$W->{"r"}->args() || "";
if ($W->{"detect_ent"}) {
if ($W->{"QUERY_STRING"}=~/[&]amp;have_ent/)
{ delete $W->{"have_ent"}; }
if (!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]
+ .escapeHTML("http://".$W->{"web_hostname"}."/".($W->{"r"}->uri()=~m#^/*(.*)$#)[0]
."?".($W->{"QUERY_STRING"} || "detect_ent_glue=1").'&have_ent=detect')
.'" />'."\n";
}
$W->{"args"}{$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");
+ 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");
$W->{"browser"}=HTTP::BrowserDetect->new($W->{"user_agent"});
$W->{"have_js"}=($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";
+ $W->{"head"}.='<script type="text/javascript" src="'.path_web('/have_js.pm').'"></script>'."\n";
}
- do { args_check(%$_) if $_; } for ($W->{"args_check"});
-
- $ENV{"HOSTNAME"}||=&{$W->{"web_hostname_sub"}}();
+ do { _args_check(%$_) if $_; } for ($W->{"args_check"});
return bless $W,$class;
}
-sub Wprint($)
+# Although we have &tie-d *STDOUT we try to not to be dependent on it in My::Web itself.
+# 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);
+ $W->{"r"}->puts($text) if defined $text;
+}
+
+sub escapeHTML($)
{
my($text)=@_;
- $W->{"r"}->puts($text);
+ # Prevent &CGI::escapeHTML breaking utf-8 strings like: \xC4\x9B eq \x{11B}
+ # Prevent case if we run under mod_perl but still just initializing:
+ request_check() if $ENV{"MOD_PERL"};
+ # Generally we are initialized from &init but we may be used without it without mod_perl
+ # and in such case check the change on all non-first invocations.
+ our $init;
+ if (!$ENV{"MOD_PERL"} && $init++) {
+ do { cluck "charset==$_" if $_ ne "utf-8"; } for CGI::charset();
+ }
+ CGI::charset("utf-8");
+
+ return CGI::escapeHTML($text);
}
# local *FH;
Wprint substr($scalar,0,$length);
}
-sub top_dir_disk ()
+# /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()
{
- do { return $_ if $_; } for ($W->{"top_dir"});
- return $INC[0]; # fallback
+ request_check();
+ if (!$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"};
}
-# $args{"abs"}
-sub top_dir (;$%)
+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
+# $args{"abs"}=1;
+sub path_web($%)
{
my($in,%args)=@_;
- if (my $uri=$W->{"r"}->unparsed_uri()) {
- if ($W->{"args"}{"Wabs"} || $args{"abs"}) {
- # FIXME: $in may not be defined here!
- # to prevent: Use of uninitialized value in ...
- if ($in=~m#^/#) {
- $in=~s#^/*##;
- }
- else {
- $in=$uri."/".$in;
- $in=~tr#/#/#s;
- 1 while $in=~s#/(?:[^/]+)/\Q..\E/#/#g
- }
- return "http://".&{$W->{"web_hostname_sub"}}()."/".(defined $in ? $in : "");
- }
- $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;
- }
- }
- $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 $r;
+ cluck if !$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"}})),
+ %{$uri->query_form_hash()},
+ });
}
- return top_dir_disk().$in;
+ 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 (;$);
-sub args_check (%)
+sub _args_check (%)
{
my(%tmpl)=@_;
while (my($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"
$regex=$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/;
}
}
$msg="UNKNOWN" if !$msg;
cluck "FATAL: $msg";
- $W->{"indexme"}=0; # For the case no heading was sent yet.
- $W->{"heading_done"}=0; # for the case of already sent {"header_only"}==1
- $W->{"header_only"}=0; # assurance for &heading
- My::Web->heading();
+ # 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: $msg!</h1>\n"
."<p>You can report this problem's details to"
." ".a_href("mailto:".$W->{"admin_mail"},"admin of this website").".</p>\n";
Wprint vskip if $W->{"footer_delimit"};
- do { &{$_}() if $_; } for ($W->{"footing_delimit"});
+ do { Wprint $_ if $_; } for $W->{"footing_delimit"};
Wprint "<hr />\n" if $W->{"footer"};
- if ($W->{"footer_mailme"}) {
- Wprint '<form action="'.top_dir('/SendMsg.pl').'" method="post" onsubmit="'
- ."this.elements['msgscript'].value=this.elements['msghtml'].value;"
- ."this.elements['msghtml'].value='';"
- ."this.submit();"
- .'">'."\n";
- Wprint input_hidden_persistents()."\n";
- Wprint '<p align="right">'."\n";
- Wprint '<input name="msgscript" type="hidden" />'."\n";
- Wprint '<input name="msghtml" type="text" size="32" alt="Message" />'."\n";
- Wprint '<input name="submit" type="submit" value="Quick Note" />'."\n";
- Wprint '</p>'."\n";
- Wprint '</form>'."\n";
- }
+ my $packages_used=$packages_used_array{$W->{"__PACKAGE__"}};
- my @packages_used=(
- $W->{"__PACKAGE__"},
- __PACKAGE__,
- @{$W->{"packages_used"}{"__My::Web"}},
- map((!$_ ? () : @$_),$W->{"packages_used"}{$W->{"__PACKAGE__"}}),
- );
- my %packages_used;
- @packages_used=grep((!$packages_used{$_}++),@packages_used);
if ($W->{"footer_ids"}) {
Wprint '<p class="cvs-id">';
Wprint join("<br />\n",map({ my $package=$_;
$file=~s#::#/#g;
my $ext;
my @tried;
- for (qw(.html.pl .pl .pm),"") {
+ for (qw(.pm)) {
$ext=$_;
- my $pathname=top_dir_disk()."/$file$ext";
- push @tried,$pathname;
- last if -r $pathname;
+ 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]);
$cvs_id_split[1]=a_href($W->{"viewcvs"}.$file,
($package!~/^Apache2::/ ? $package : $cvs_id_split[1]));
- $cvs_id_split[5]=&{$W->{"cvs_id_author"}}($cvs_id_split[5]);
+ $cvs_id_split[5]=&{$W->{"cvs_id_author_sub"}}($cvs_id_split[5]);
}
join " ",@cvs_id_split;
}
- } @packages_used));
+ } @$packages_used));
Wprint "</p>\n";
}
- for my $package (@packages_used) {
+ for my $package (@$packages_used) {
my $cvs_id=(eval('$'.$package."::CVS_ID")
# || $package # debug
);
Wprint '<!-- '.$package.' - $'.$cvs_id.'$ -->'."\n" if $cvs_id;
}
- do { &{$_}() if $_; } for ($W->{"footing"});
+ do { Wprint $_ if $_; } for $W->{"footing"};
Wprint "</body></html>\n";
- exit(0);
+ exit 0;
}
sub header (%)
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 $uri_rel->authority();
+ return 1;
}
-sub url_out($%)
+# &path_web still may be required for &uri_escaped !
+sub uri_escaped($)
{
-my($url,%args)=@_;
-
- return $url if !url_is_local $url;
- $url=top_dir($url,%args) if $url=~m#^/# || $args{"abs"};
-
- my $uri=URI->new($url);
- # 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()},
- });
- $url="".$uri;
+my($uri)=@_;
- return $url;
+ 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 $W->{"have_ent"}; # ent client
+ # Unknown client, &escapeHTML should not be needed here:
+ return escapeHTML(path_web('/Redirect.pm?location='.uri_escape($uri->abs(unparsed_uri()))));
}
-sub a_href ($;$%)
+our $a_href_inhibited;
+sub a_href($;$%)
{
-my($url,$contents,%args)=@_;
+my($in,$contents,%args)=@_;
+ request_check();
do { $$_=1 if !defined $$_; } for (\$args{"size"});
if (!defined $contents) {
- $contents=$url;
+ $contents=$in;
$contents=File::Basename::basename($contents) if $args{"basename"};
- $contents=CGI::escapeHTML($contents);
+ $contents=escapeHTML($contents);
}
$contents=~s#<a\b[^>]*>##gi;
$contents=~s#</a>##gi;
+ return $contents if $a_href_inhibited;
- $url=url_out($url,%args);
-
- 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) && ($args{"size"}>=2 || $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]).')';
- }
+ 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 a_href_inhibit($$;@)
+{
+my($self,$sub,@sub_args)=@_;
+
+ local $a_href_inhibited=1;
+ return &{$sub}(@sub_args);
+}
+
sub input_hidden_persistents()
{
+ request_check();
return join("",map({
my $key=$_;
my $val=$W->{"args"}{$key};
(!defined $val ? () : '<input type="hidden"'
- .' name="'.CGI::escapeHTML($key).'"'
- .' value="'.CGI::escapeHTML($val).'"'
+ .' name="'.escapeHTML($key).'"'
+ .' value="'.escapeHTML($val).'"'
.' />'."\n");
} (keys(%{$W->{"args_persistent"}}))));
}
{
my($self,$url,$status)=@_;
- $url=url_out($url,"abs"=>1);
+ $url=path_web($url,"abs"=>1);
$status||=HTTP_MOVED_TEMPORARILY;
$W->{"r"}->status($status);
$W->{"r"}->headers_out()->{"Location"}=$url;
{
my($cmd)=@_;
- system {'flock'} 'flock','-x',top_dir_disk(),$cmd.' >&2';
+ # FIXME: &alarm, --timeout is now infinite.
+ # FIXME: Try to remove bash(1).
+ # FIXME: Use: @PATH_FLOCK@
+ my @argv=('flock',dir_top_abs_disk(),'bash','-c',$cmd.' >&2');
+ print STDERR join(" ","SPAWN:",@argv)."\n";
+ system @argv;
+}
+
+sub make_file($$)
+{
+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)=@_;
+ 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\"";
}
# 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?
+ $best||=$variants->[0][0]; # $variants->[0]{"id"}; &HTTP::Negotiate::choose failed?
return $best;
}
);
my $img_variants_re='[.](?:'.join('|',"jpeg",map(($_->{"id"}),@img_variants)).')$';
-sub img_src ($)
+# Returns: ($path_web,$path_abs_disk)
+# URI path segments support ignored here. Where it is used? (';' path segment options)
+sub _img_src($%)
{
-my($file_base)=@_;
+my($in,%args)=@_;
- 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);
- }
+ 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;
- 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);
- }
+ # 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 $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;
+ 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 $file)[7],
+ "size"=>(stat $path_abs_disk_variant)[7],
);
}
my $ext=__PACKAGE__->Negotiate_choose(\@nego_variants);
- return $file_base_uri.".".$ext if !wantarray();
- return ($file_base_uri.".".$ext,$file_base_disk.".".$ext);
+ $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 ($$%)
{
-my($file_base,$alt,%attr)=@_;
+my($in,$alt,%args)=@_;
- my($file_uri,$file_disk)=img_src $file_base;
- my($width,$height)=Image::Size::imgsize($file_disk);
+ request_check();
+ my($path_web,$path_abs_disk)=_img_src($in,%args);
+ my($width,$height)=Image::Size::imgsize($path_abs_disk);
$alt=~s/<[^>]*>//g;
- $alt=CGI::escapeHTML($alt);
- my $content="<img src=\"$file_uri\" alt=\"$alt\" title=\"$alt\" ".img_size($width,$height)
- .(!$attr{"attr"} ? "" : " ".$attr{"attr"})." />";
- return a_href img_src($attr{"a_href_img"}),$content if $attr{"a_href_img"};
- return a_href $attr{"a_href"},$content if $attr{"a_href"};
+ $alt=escapeHTML($alt);
+ my $content="<img src=\"".uri_escaped($path_web)."\" alt=\"$alt\" title=\"$alt\" ".img_size($width,$height)
+ .(!$args{"attr"} ? "" : " ".$args{"attr"})." />";
+ do { return a_href((_img_src($_))[0],$content,"uri_as_in"=>1) if $_; } for $args{"a_href_img"};
+ do { return a_href $_,$content if $_; } for $args{"a_href"};
return $content;
}
sub centerimg
{
- my $r.="";
+ my $r="";
$r.='<table border="0" width="100%"><tr>'."\n";
@_=( [@_] ) if !ref $_[0];
for (@_) {
{
my($text,@args_img)=@_;
- # Workaround bug of 'Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1)':
+ # FIXME: Workaround bug of 'Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1)':
+ # <col width="@{[ (!$W->{"browser"}->ie() ? "1*" : "90%" ) ]}" />
+ # <col width="@{[ (!$W->{"browser"}->ie() ? "0*" : "10%" ) ]}" />
+ # causes whole invisible projects in: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.7.10) Gecko/20050719 Galeon/1.3.21
return <<"HERE";
<table border="0" width="100%">
- <col width="@{[ (!$W->{"browser"}->ie() ? "1*" : "90%" ) ]}" />
- <col width="@{[ (!$W->{"browser"}->ie() ? "0*" : "10%" ) ]}" />
<tr>
<td align="left">
@{[ $text ]}
HERE
}
-sub readfile ($$)
+sub readfile($$)
{
my($class,$filename)=@_;
local *F;
- open F,$filename or die "Cannot open \"$filename\": $!";
- local $/=undef();
- my $data=<F>;
- close F;
- return $data;
-}
-
-sub arr_keys (@)
-{
-my(@arr)=@_;
-
- my @r=();
- while (@arr) {
- push @r,shift @arr; # key
- shift @arr; # val
- }
- return @r;
+ open F,$filename or cluck "Cannot open \"$filename\": $!";
+ my $F=do { local $/=undef(); <F>; };
+ close F or cluck "Cannot close \"$filename\": $!";
+ return $F;
}
sub no_cache($)
header("Pragma"=>"no-cache"); # HTTP/1.0
}
-sub heading ()
+sub heading()
{
my($class)=@_;
# 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([
+ my $mime;
+ # http://validator.w3.org/ does not send ANY "Accept" headers!
+ $mime||="application/xhtml+xml" if !$W->{"accept"} && $W->{"user_agent"}=~m{^W3C_Validator/}i;
+ $mime||=$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
"content-type"=>"text/html",
"qs"=>0.6,
"charset"=>$client_charset,
- "lang"=>$lang,
+ "lang"=>$W->{"language"},
),
negotiate_variant(
"id"=>"application/xhtml+xml",
"content-type"=>"application/xhtml+xml",
"qs"=>0.6,
"charset"=>$client_charset,
- "lang"=>$lang,
+ "lang"=>$W->{"language"},
),
# 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";
- }
+ Wprint '<?xml version="1.0" encoding="'.$client_charset.'"?>'."\n" if $mime=~m{^application/\w+[+]xml$};
+ return if $W->{"xml_header_only"};
Wprint '<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd">'."\n";
- Wprint '<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="'.$lang.'">'."\n";
+ 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>
$title=~s#<[^>]*>##g;
Wprint "<head>";
Wprint "<title>$title</title>\n";
if ($W->{"have_css"}) {
# Everything can get overriden later.
- Wprint <<"HERE";
-<link rel="stylesheet" type="text/css" href="@{[ url_out("/My/Web.css") ]}" />
+ for my $css ("/My/Web.css",map((!$_ ? () : ("ARRAY" ne ref($_) ? $_ : @$_)),$W->{"css_push"})) {
+ Wprint <<"HERE";
+<link rel="stylesheet" type="text/css" href="@{[ uri_escaped(path_web $css) ]}" />
HERE
+ }
}
Wprint '<meta name="robots" content="'.($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="'.$_.'" />'."\n" if $_; } for ($W->{"rel_$type"});
+ do { Wprint '<link rel="'.$type.'" href="'.uri_escaped(path_web $_).'" />'."\n" if $_; }
+ for ($W->{"rel_$type"});
}
Wprint "</head><body";
# Wprint ' bgcolor="black" text="white" link="aqua" vlink="teal"'
Wprint $W->{"body_attr"};
Wprint ">\n";
- do { &{$_}() if $_; } for ($W->{"heading"});
+ do { Wprint $_ if $_; } for $W->{"heading"};
}
BEGIN {