X-Git-Url: https://git.p6c8.net/devedit.git/blobdiff_plain/3e6b9e338fe5ea06b487202fe54217f2082cd13d..c752deb389730ae56c25888e6b82c89e30060ec9:/modules/Tool.pm diff --git a/modules/Tool.pm b/modules/Tool.pm index 47b73e6..baaff16 100644 --- a/modules/Tool.pm +++ b/modules/Tool.pm @@ -5,18 +5,20 @@ package Tool; # # Some shared sub routines # -# Author: Patrick Canterino -# Last modified: 09-22-2003 +# Author: Patrick Canterino +# Last modified: 2004-11-13 # use strict; use vars qw(@EXPORT); -use Carp qw(croak); +use CGI qw(redirect + escape + virtual_host + https); use Cwd qw(abs_path); -use File::Basename; use File::Spec; ### Export ### @@ -25,12 +27,15 @@ use base qw(Exporter); @EXPORT = qw(check_path clean_path - filemode + devedit_reload + equal_url + file_name + mode_string upper_path); # check_path() # -# Check, if a virtual path is above a virtual root directory +# Check if a virtual path is above a virtual root directory # (currently no check if the path exists - check otherwise!) # # Params: 1. Virtual root directory @@ -51,39 +56,27 @@ sub check_path($$) $path =~ s!^/{1}!!; $path = $root."/".$path; - unless(-d $path) - { - # The path points to a file - # We have to extract the directory name and create the absolute path - - my @pathinfo = fileparse($path); + # We extract the last part of the path and create the absolute path - # This is only to avoid errors + my $first = upper_path($path); + my $last = file_name($path); - my $basename = $pathinfo[0] || ''; - my $dir = $pathinfo[1] || ''; - my $ext = $pathinfo[2] || ''; + $first = abs_path($first); + $path = $first."/".$last; - $dir = abs_path($dir); - - $path = $dir."/".$basename.$ext; - } - else - { - $path = abs_path($path); - } - - $path = File::Spec->canonpath($path); + $first = File::Spec->canonpath($first); + $path = File::Spec->canonpath($path); # Check if the path is above the root directory - return if(index($path,$root) == -1); + 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 unless($short_path =~ m!^/!); + $short_path = "/".$short_path if($short_path !~ m!^/!); $short_path = $short_path."/" if($short_path !~ m!/$! && -d $path); return ($path,$short_path); @@ -107,42 +100,143 @@ sub clean_path($) return $path; } -# filemode() +# devedit_reload() # -# Creates a readable string of a UNIX filemode number -# (copied from Tool.pm of Dev-Editor 0.1.4) +# Create a HTTP redirection header to load Dev-Editor +# with some other parameters # -# Params: Filemode as number +# Params: Hash Reference (will be merged to a query string) # -# Return: Filemode as readable string +# Return: HTTP redirection header (Scalar Reference) -sub filemode($) +sub devedit_reload($) { - my ($modestring, $ur, $uw, $ux, $gr, $gw, $gx, $or, $ow, $ox); - my $mode = shift; - - $ur = ($mode & 0400) ? "r" : "-"; # User Read - $uw = ($mode & 0200) ? "w" : "-"; # User Write - $ux = ($mode & 0100) ? "x" : "-"; # User eXecute - $gr = ($mode & 0040) ? "r" : "-"; # Group Read - $gw = ($mode & 0020) ? "w" : "-"; # Group Write - $gx = ($mode & 0010) ? "x" : "-"; # Group eXecute - $or = ($mode & 0004) ? "r" : "-"; # Other Read - $ow = ($mode & 0002) ? "w" : "-"; # Other Write - $ox = ($mode & 0001) ? "x" : "-"; # Other eXecute - - # build a readable mode string (rwxrwxrwx) - return $ur . $uw . $ux . $gr . $gw . $gx . $or . $ow . $ox; + my $params = shift; + + # Detect the protocol (simple HTTP or SSL encrypted HTTP) + # and check if the server listens on the default port + + my $protocol = ""; + my $port = ""; + + if(https) + { + # SSL encrypted HTTP (HTTPS) + + $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); + } + + # 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 = '?'.join ('&' => + map { + (ref) + ? map{escape ($_).'='.escape ($params -> {$_})} @{$params -> {$_}} + : escape ($_).'='.escape ($params -> {$_}) + } keys %$params + ); + + # Create the redirection header + + my $header = redirect($protocol."://".virtual_host.$port.$ENV{'SCRIPT_NAME'}.$query); + + return \$header; } -# upper_path() +# equal_url() +# +# Create URL equal to a file or directory # -# Truncate a path in one of the following ways: +# Params: 1. HTTP root +# 2. Relative path +# +# Return: Formatted link (String) + +sub equal_url($$) +{ + my ($root,$path) = @_; + my $url; + + $root =~ s!/$!!; + $path =~ s!^/!!; + $url = $root."/".$path; + + return $url; +} + +# file_name() +# +# Return the last part of a path +# +# Params: Path +# +# Return: Last part of the path + +sub file_name($) +{ + my $path = shift; + $path =~ tr!\\!/!; + + unless($path eq "/") + { + $path = substr($path,0,-1) if($path =~ m!/$!); + $path = substr($path,rindex($path,"/")+1); + } + + return $path; +} + +# mode_string() +# +# Convert a file mode number into a human readable string (rwxr-x-r-x) +# (also supports SetUID, SetGID and Sticky Bit) +# +# Params: File mode number +# +# Return: Human readable mode string + +sub mode_string($) +{ + my $mode = shift; + my $string = ""; + + # User + + $string = ($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" : "-"; + + # Other + + $string .= ($mode & 00004) ? "r" : "-"; + $string .= ($mode & 00002) ? "w" : "-"; + $string .= ($mode & 00001) ? (($mode & 01000) ? "t" : "x") : + ($mode & 01000) ? "T" : "-"; + + return $string; +} + +# upper_path() # -# - If the path points to a directory, the upper directory -# will be returned. -# - If the path points to a file, the directory containing -# the file will be returned. +# Cut away the last part of a path # # Params: Path # @@ -156,8 +250,7 @@ sub upper_path($) unless($path eq "/") { $path = substr($path,0,-1) if($path =~ m!/$!); - $path = substr($path,0,rindex($path,"/")); - $path = $path."/"; + $path = substr($path,0,rindex($path,"/")+1); } return $path;