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What is MTDynamicHandler? //adamroe.me/blog/mt-dynamic-handler
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package MTDynamicHandler; | |
use strict; | |
use warnings; | |
use nginx; | |
use File::Spec; | |
my %htaccess; | |
# this list must same as list in conf/nginx_common.conf | |
my @INDEXES = ( 'index.html', 'index.htm', 'index.php' ); | |
sub handler { | |
my $r = shift; | |
my $uri = $r->uri; | |
my $fn = $r->filename; | |
my $htaccess; | |
my @nodes = File::Spec->splitdir($fn); | |
NODES: while ( scalar @nodes ) { | |
my $file = File::Spec->catfile( @nodes, '.htaccess' ); | |
if ( my @stat = stat $file ) { | |
$htaccess | |
= ( $htaccess{$file} | |
&& $htaccess{$file}{modtime} == $stat[9] ) | |
? $htaccess{$file} | |
: parse_htaccess($file); | |
$htaccess->{modtime} = $stat[9]; | |
last NODES; | |
} | |
pop @nodes; | |
} | |
if ($htaccess) { | |
if ( $htaccess->{mode} eq 'dmtml' ) { | |
my $cond = $htaccess->{cond}; | |
my $script = $htaccess->{script}; | |
if ( !-f $fn || -d $fn || $fn =~ /$cond/ ) { | |
$r->internal_redirect( $htaccess->{script} ); | |
return OK; | |
} | |
} | |
elsif ( $htaccess->{mode} eq 'dynamic' ) { | |
my $script = $htaccess->{script}; | |
my @files = ($fn); | |
if ( $fn =~ m{/$} ) { | |
push @files, map { $fn . $_ } @INDEXES; | |
} | |
for my $f (@files) { | |
if ( -f $f ) { | |
return DECLINED; | |
} | |
} | |
my ($q) = $fn =~ /^.*(\?.*)?$/; | |
$r->internal_redirect( $script . ( $q || '' ) ); | |
return OK; | |
} | |
} | |
return DECLINED; | |
} | |
sub parse_htaccess { | |
my ($filename) = @_; | |
my $htaccess = {}; | |
open my $fh, '<', $filename; | |
my $mode = 'initial'; | |
while ( my $line = <$fh> ) { | |
if ( $mode eq 'initial' ) { | |
if ( $line =~ /DynamicMTML/ ) { | |
$htaccess->{mode} = $mode = 'dmtml'; | |
} | |
elsif ( $line =~ /Movable Type generated this part/ ) { | |
$htaccess->{mode} = $mode = 'dynamic'; | |
} | |
} | |
elsif ( $mode eq 'dmtml' ) { | |
if ( $line =~ /RewriteCond %\{REQUEST_FILENAME} ([^\s]+) \[NC\]/ ) | |
{ | |
$htaccess->{cond} = $1; | |
} | |
if ( $line =~ /RewriteRule \^ ([^\s]+) \[L\]/ ) { | |
$htaccess->{script} = $1; | |
} | |
} | |
else { | |
if ( $line =~ /RewriteCond %\{REQUEST_FILENAME} ([^\s]+) \[NC\]/ ) | |
{ | |
$htaccess->{cond} = $1; | |
} | |
if ( $line =~ /RewriteRule \S+ (\S+)\$2 \[L,QSA\]/ ) { | |
$htaccess->{script} = $1; | |
} | |
} | |
} | |
close $fh; | |
return $htaccess; | |
} | |
1; | |
__END__ |
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