# Some shared sub routines
#
# Author: Patrick Canterino <patrick@patshaping.de>
-# Last modified: 2004-12-25
+# Last modified: 2005-04-22
#
use strict;
$root = abs_path($root);
$root = File::Spec->canonpath($root);
- $path =~ s!^/{1}!!;
- $path = $root."/".$path;
+ $path =~ tr!\\!/!;
+ $path =~ s!^/+!!;
+ $path = $root.'/'.$path;
# We extract the last part of the path and create the absolute path
my $first = upper_path($path);
+ $first = File::Spec->canonpath($first);
+ $first = abs_path($first);
+
my $last = file_name($path);
+ $last = '' if($last eq '.');
- $first = abs_path($first);
- $path = $first."/".$last;
+ if($last eq '..' || ($^O eq 'MSWin32' && $last =~ m!^\.\.\.+$!))
+ {
+ $first = abs_path($first.'/'.$last);
+ $last = '';
+ }
- $first = File::Spec->canonpath($first);
- $path = File::Spec->canonpath($path);
+ $path = File::Spec->canonpath($first.'/'.$last);
# Check if the path is above the root directory
return if(index($path,$root) != 0);
- return if($first eq $root && $last =~ m!^(/|\\)?\.\.(/|\\)?$!);
# Create short path name
my $short_path = substr($path,length($root));
- $short_path =~ tr!\\!\/!;
- $short_path = "/".$short_path if($short_path !~ m!^/!);
- $short_path = $short_path."/" if($short_path !~ m!/$! && -d $path);
+ $short_path =~ tr!\\!/!;
+ $short_path = '/'.$short_path if($short_path !~ m!^/!);
+ $short_path = $short_path.'/' if($short_path !~ m!/$! && -d $path && not -l $path);
return ($path,$short_path);
}
# Detect the protocol (simple HTTP or SSL encrypted HTTP)
# and check if the server listens on the default port
- my $protocol = "";
- my $port = "";
+ my $protocol = '';
+ my $port = '';
if(https)
{
# SSL encrypted HTTP (HTTPS)
- $protocol = "https";
- $port = ":".$ENV{'SERVER_PORT'} if($ENV{'SERVER_PORT'} != 443);
+ $protocol = 'https';
+ $port = ':'.$ENV{'SERVER_PORT'} if($ENV{'SERVER_PORT'} != 443);
}
else
{
# Simple HTTP
- $protocol = "http";
- $port = ":".$ENV{'SERVER_PORT'} if($ENV{'SERVER_PORT'} != 80);
+ $protocol = 'http';
+ $port = ':'.$ENV{'SERVER_PORT'} if($ENV{'SERVER_PORT'} != 80);
}
# The following code is grabbed from Template::_query of
# Andre Malo's selfforum (http://sourceforge.net/projects/selfforum/)
# and modified by Patrick Canterino
- my $query = "";
+ my $query = '';
- if(ref($params) eq "HASH")
+ if(ref($params) eq 'HASH')
{
$query = '?'.join ('&' =>
map {
# Create the redirection header
- my $header = redirect($protocol."://".virtual_host.$port.$ENV{'SCRIPT_NAME'}.$query);
+ my $header = redirect($protocol.'://'.virtual_host.$port.$ENV{'SCRIPT_NAME'}.$query);
return \$header;
}
my ($root,$path) = @_;
my $url;
- $root =~ s!/$!!;
- $path =~ s!^/!!;
- $url = $root."/".$path;
+ $root =~ s!/+$!!;
+ $path =~ s!^/+!!;
+ $url = $root.'/'.$path;
return $url;
}
my $path = shift;
$path =~ tr!\\!/!;
- unless($path eq "/")
+ unless($path =~ m!^/+$! || ($^O eq 'MSWin32' && $path =~ m!^[a-z]:/+$!i))
{
- $path = substr($path,0,-1) if($path =~ m!/$!);
- $path = substr($path,rindex($path,"/")+1);
+ $path =~ s!/+$!!;
+ $path = substr($path,rindex($path,'/')+1);
}
return $path;
sub mode_string($)
{
my $mode = shift;
- my $string = "";
+ my $string = '';
# User
- $string = ($mode & 00400) ? "r" : "-";
- $string .= ($mode & 00200) ? "w" : "-";
- $string .= ($mode & 00100) ? (($mode & 04000) ? "s" : "x") :
- ($mode & 04000) ? "S" : "-";
+ $string = ($mode & 00400) ? 'r' : '-';
+ $string .= ($mode & 00200) ? 'w' : '-';
+ $string .= ($mode & 00100) ? (($mode & 04000) ? 's' : 'x') :
+ ($mode & 04000) ? 'S' : '-';
# Group
- $string .= ($mode & 00040) ? "r" : "-";
- $string .= ($mode & 00020) ? "w" : "-";
- $string .= ($mode & 00010) ? (($mode & 02000) ? "s" : "x") :
- ($mode & 02000) ? "S" : "-";
+ $string .= ($mode & 00040) ? 'r' : '-';
+ $string .= ($mode & 00020) ? 'w' : '-';
+ $string .= ($mode & 00010) ? (($mode & 02000) ? 's' : 'x') :
+ ($mode & 02000) ? 'S' : '-';
# Other
- $string .= ($mode & 00004) ? "r" : "-";
- $string .= ($mode & 00002) ? "w" : "-";
- $string .= ($mode & 00001) ? (($mode & 01000) ? "t" : "x") :
- ($mode & 01000) ? "T" : "-";
+ $string .= ($mode & 00004) ? 'r' : '-';
+ $string .= ($mode & 00002) ? 'w' : '-';
+ $string .= ($mode & 00001) ? (($mode & 01000) ? 't' : 'x') :
+ ($mode & 01000) ? 'T' : '-';
return $string;
}
# upper_path()
#
-# Cut away the last part of a path
+# Remove the last part of a path
+# (the resulting path contains a trailing slash)
#
# Params: Path
#
my $path = shift;
$path =~ tr!\\!/!;
- unless($path eq "/")
+ unless($path =~ m!^/+$! || ($^O eq 'MSWin32' && $path =~ m!^[a-z]:/+$!i))
{
- $path = substr($path,0,-1) if($path =~ m!/$!);
- $path = substr($path,0,rindex($path,"/")+1);
+ $path =~ s!/+$!!;
+ $path = substr($path,0,rindex($path,'/')+1);
}
return $path;