use File::Basename ();
use File::Spec;
-#use Cwd ();
use strict;
# Subs in this package:
# _default_error($plain, $html) Default error handler
-# cgi_init Initialization for CGI
# clean Reset variables
# error($error, $type) Handle errors
# everything Do everything: CGI
# handler($r) Do everything: mod_perl
-# mod_perl_init($r) Initialization for mod_perl
-# mod_perl_print Faster printing for mod_perl
# sendheaders Send headers
# source($path, $level, $linespec) Read and parse .plp files
# start Start the initialized PLP script
qq{<b>Debug information:</b><br>$html</td></tr></table>};
}
-# CGI initializer: parses PATH_TRANSLATED
-sub cgi_init {
-
- $PLP::print = 'print';
-
- my $path = $ENV{PATH_TRANSLATED};
- $ENV{PLP_NAME} = $ENV{PATH_INFO};
- my $path_info;
- while (not -f $path) {
- if (not $path =~ s/(\/+[^\/]*)$//) {
- print STDERR "PLP: Not found: $ENV{PATH_TRANSLATED} ($ENV{REQUEST_URI})\n";
- PLP::error(undef, 404);
- exit;
- }
- my $pi = $1;
- $ENV{PLP_NAME} =~ s/\Q$pi\E$//;
- $path_info = $pi . $path_info;
- }
-
- if (not -r $path) {
- print STDERR "PLP: Can't read: $ENV{PATH_TRANSLATED} ($ENV{REQUEST_URI})\n";
- PLP::error(undef, 403);
- exit;
- }
-
- delete @ENV{
- qw(PATH_TRANSLATED SCRIPT_NAME SCRIPT_FILENAME PATH_INFO),
- grep /^REDIRECT_/, keys %ENV
- };
-
- $ENV{PATH_INFO} = $path_info if defined $path_info;
- $ENV{PLP_FILENAME} = $path;
- my ($file, $dir) = File::Basename::fileparse($path);
- chdir $dir;
-
- $PLP::code = PLP::source($file, 0, undef, $path);
-}
-
# This cleans up from previous requests, and sets the default $PLP::DEBUG
sub clean {
@PLP::END = ();
$PLP::sentheaders = 0;
$PLP::DEBUG = 1;
$PLP::print = '';
- $PLP::r = undef;
delete @ENV{ grep /^PLP_/, keys %ENV };
}
}
}
-# This is run by the CGI script. (#!perl \n use PLP; PLP::everything;)
+# Wrap old request handlers.
sub everything {
- clean();
- cgi_init();
- start();
+ require PLP::Backend::CGI;
+ PLP::Backend::CGI::everything();
}
-
-# This is the mod_perl handler.
sub handler {
- require Apache::Constants;
- clean();
- if (my $ret = mod_perl_init($_[0])) {
- return $ret;
- }
- #S start($_[0]);
- start();
- no strict 'subs';
- return Apache::Constants::OK();
-}
-
-# mod_perl initializer: returns 0 on success, Apache error code on failure
-sub mod_perl_init {
- our $r = shift;
-
- $PLP::print = 'PLP::mod_perl_print';
-
- $ENV{PLP_FILENAME} = my $filename = $r->filename;
-
- unless (-f $filename) {
- return Apache::Constants::NOT_FOUND();
- }
- unless (-r _) {
- return Apache::Constants::FORBIDDEN();
- }
-
- $ENV{PLP_NAME} = $r->uri;
-
- our $use_cache = $r->dir_config('PLPcache') !~ /^off$/i;
-#S our $use_safe = $r->dir_config('PLPsafe') =~ /^on$/i;
- my $path = $r->filename();
- my ($file, $dir) = File::Basename::fileparse($path);
- chdir $dir;
-
- $PLP::code = PLP::source($file, 0, undef, $path);
-
- return 0; # OK
-}
-
-# FAST printing under mod_perl
-sub mod_perl_print {
- return unless grep length, @_;
- PLP::sendheaders() unless $PLP::sentheaders;
- $PLP::r->print(@_);
+ require PLP::Backend::Apache;
+ PLP::Backend::Apache::handler(@_);
}
# Sends the headers waiting in %PLP::Script::header
=head1 SYNOPSIS
-=head2 mod_perl installation
+=head2 Lighttpd installation
-=over 10
+F<lighttpd.conf> configuration using L<mod_fastcgi|PLP::Backend::FastCGI>:
+
+ server.modules = (
+ "mod_fastcgi",
+ )
+ fastcgi.server = (
+ ".plp" => ((
+ "bin-path" => "/usr/bin/perl -MPLP::Backend::FastCGI",
+ "socket" => "/tmp/fcgi-plp.socket",
+ )),
+ )
+
+=head2 Apache installation
-=item * httpd.conf (for mod_perl setup)
+F<httpd.conf> for a L<mod_perl|PLP::Backend::Apache> setup:
<Files *.plp>
SetHandler perl-script
- PerlHandler PLP
+ PerlHandler PLP::Backend::Apache
PerlSendHeader On
- PerlSetVar PLPcache On
</Files>
- # Who said CGI was easier to set up? :)
-
-=back
-
-=head2 CGI installation
-
-=over 10
-
-=item * /foo/bar/plp.cgi (local filesystem address)
-
- #!/usr/bin/perl
- use PLP;
- PLP::everything();
-
-=item * httpd.conf (for CGI setup)
-
- ScriptAlias /foo/bar/ /PLP_COMMON/
- <Directory /foo/bar/>
- AllowOverride None
- Options +ExecCGI
- Order allow,deny
- Allow from all
- </Directory>
- AddHandler plp-document plp
- Action plp-document /PLP_COMMON/plp.cgi
-
-=back
-
=head2 Test script (test.plp)
<html><body>
PLP is yet another Perl embedder, primarily for HTML documents. Unlike with
other Perl embedders, there is no need to learn a meta-syntax or object
-model: one can just use the normal Perl constructs. PLP runs under mod_perl
-for speeds comparable to those of PHP, but can also be run as a CGI script.
+model: one can just use the normal Perl constructs. PLP runs under
+L<FastCGI|PLP::Backend::FastCGI> and L<mod_perl|PLP::Backend::Apache>
+for speeds comparable to those of PHP, but can also be run as a standard
+L<CGI|PLP::Backend::CGI> script.
+
+=head2 Setup
+
+See either
+L<CGI|PLP::Backend::CGI>,
+L<FastCGI|PLP::Backend::FastCGI> (recommended)
+or L<Apache|PLP::Backend::Apache>.
+At least the following servers are supported:
+
+=over 10
+
+=item Lighttpd
+
+With L<mod_fastcgi|PLP::Backend::FastCGI> or L<mod_cgi|PLP::Backend::CGI>.
+
+=item Apache
+
+Either version 1 or 2. Using
+L<mod_fcgid, mod_fastcgi|PLP::Backend::FastCGI>,
+L<mod_perl|PLP::Backend::Apache>,
+or L<mod_action|PLP::Backend::CGI>.
+
+=back
=head2 PLP Syntax
=back
-=head2 (mod_perl only) PerlSetVar configuration directives
-
-=over 22
-
-=item PLPcache
-
-Sets caching B<On>/B<Off>. When caching, PLP saves your script in memory and
-doesn't re-read and re-parse it if it hasn't changed. PLP will use more memory,
-but will also run 50% faster.
-
-B<On> is default, anything that isn't =~ /^off$/i is considered On.
-
-=back
-
=head2 Things that you should know about
Not only syntax is important, you should also be aware of some other important
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