API:EPrints/Apache/Auth

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EPrints 3 Reference: Directory Structure - Metadata Fields - Repository Configuration - XML Config Files - XML Export Format - EPrints data structure - Core API - Data Objects


API: Core API

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NAME

EPrints::Apache::Auth - Password authentication & authorisation checking for EPrints.

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DESCRIPTION

This module handles the authentication and authorisation of users viewing private sections of an EPrints website.

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METHODS

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authen

$rc = EPrints::Apache::Auth::authen( $r, [ $realm ] )

Perform authentication on request $r. If using auth_basic then include $realm as well.

Returns an HTTP response code. =cut ######################################################################

sub authen { my( $r, $realm ) = @_;

 return OK unless $r->is_initial_req; # only the first internal request
 
 my $repository = $EPrints::HANDLE->current_repository;
 if( !defined $repository )
 {
   return FORBIDDEN;
 }
 
 my $rc;
 if( !_use_auth_basic( $r, $repository ) )
 {
   $rc = auth_cookie( $r, $repository );
 }
 else
 {
   $rc = auth_basic( $r, $repository, $realm );
 }
 
 return $rc; }
 

sub _use_auth_basic { my( $r, $repository ) = @_;

 my $rc = 0;
   
   return 0 if ($repository->config( "disable_basic_auth" )); ## This is to prevent eprints falls back to use basic auth when it is not appropriate (e.g. shibboleth, adfs enabled repositories) GCUOER-57
 
 if( !$repository->config( "cookie_auth" ) ) 
 {
   $rc = 1;
 }
 if( !$rc )
 {
   my $uri = URI->new( $r->uri, "http" );
   my $script = $uri->path;
 
   my $econf = $repository->config( "auth_basic" ) || [];
 
   foreach my $exppath ( @$econf )
   {
     if( $exppath !~ /^\// )
     {
       $exppath = $repository->config( "rel_cgipath" )."/$exppath";
     }
     if( $script =~ /^$exppath/ )
     {
       $rc = 1;
       last;
     }
   }
 }
 # if the user agent doesn't support text/html then use Basic Auth
 # NOTE: browsers requesting objects in <img src> will also not specify
 # text/html, so we always look for a cookie-authentication before checking
 # basic auth
 if( !$rc )
 {
   my $accept = $r->headers_in->{'Accept'} || ;
   my @types = split /\s*,\s*/, $accept;
   if( !grep { m#^text/html\b# } @types )
   {
     $rc = 1;
   }
   # Microsoft Internet Explorer - Accept: */*
   my $agent = $r->headers_in->{'User-Agent'} || ;
   # http://msdn.microsoft.com/en-us/library/ms537509(v=vs.85).aspx
   if( $agent =~ /\bMSIE ([0-9]{1,}[\.0-9]{0,})/ )
   {
     $rc = 0;
   }
 }
 
 return $rc; }
 
                                                                                                                                            1. =pod

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authen_doc

$rc = EPrints::Apache::Auth::authen_doc( $r, [ $realm ] )

Perform authentication on request $r for a document. If using auth_basic then include $realm as well.

Returns an HTTP response code.

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auth_cookie

$rc = EPrints::Apache::Auth::auth_cookie( $r, $repository )

Perform authentication by cookie on request $r for repository $repository. Redirect as appropriate.

Returns an HTTP response code.

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auth_basic

$rc = EPrints::Apache::Auth::auth_basic( $r, $repository, $realm )

Perform authentication by basic authentication on request $r for repository $repository.

Returns an HTTP response code.

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authz

$rc = EPrints::Apache::Auth::authz( $r )

Perform authorization of request $r.

Returns an HTTP response code (always 200 OK).

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authz

$rc = EPrints::Apache::Auth::authz( $r )

Perform authorization of request $r for a document.

Returns an HTTP response code

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COPYRIGHT

© Copyright 2000-2024 University of Southampton.

EPrints 3.4 is supplied by EPrints Services.

http://www.eprints.org/eprints-3.4/

LICENSE

This file is part of EPrints 3.4 http://www.eprints.org/.

EPrints 3.4 and this file are released under the terms of the GNU Lesser General Public License version 3 as published by the Free Software Foundation unless otherwise stated.

EPrints 3.4 is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.

You should have received a copy of the GNU Lesser General Public License along with EPrints 3.4. If not, see http://www.gnu.org/licenses/.

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