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Annotation of loncom/LWPReq.pm, revision 1.1

1.1     ! raeburn     1: # The LearningOnline Network with CAPA
        !             2: # LON-CAPA wrapper for LWP UserAgent to accommodate certificate
        !             3: # verification for SSL.
        !             4: #
        !             5: # $Id: LWPReq.pm,v 1.1 2016/07/02 13:55:00 raeburn Exp $
        !             6: #
        !             7: # The LearningOnline Network with CAPA
        !             8: #
        !             9: # Copyright Michigan State University Board of Trustees
        !            10: #
        !            11: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
        !            12: #
        !            13: # LON-CAPA is free software; you can redistribute it and/or modify
        !            14: # it under the terms of the GNU General Public License as published by
        !            15: # the Free Software Foundation; either version 2 of the License, or
        !            16: # (at your option) any later version.
        !            17: #
        !            18: # LON-CAPA is distributed in the hope that it will be useful,
        !            19: # but WITHOUT ANY WARRANTY; without even the implied warranty of
        !            20: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
        !            21: # GNU General Public License for more details.
        !            22: #
        !            23: # You should have received a copy of the GNU General Public License
        !            24: # along with LON-CAPA; if not, write to the Free Software
        !            25: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
        !            26: #
        !            27: # /home/httpd/html/adm/gpl.txt
        !            28: #
        !            29: # http://www.lon-capa.org/
        !            30: #
        !            31: 
        !            32: package LONCAPA::LWPReq;
        !            33: 
        !            34: use strict;
        !            35: use lib '/home/httpd/perl/lib';
        !            36: use LONCAPA::Configuration;
        !            37: use IO::Socket::SSL();
        !            38: use LWP::UserAgent();
        !            39: 
        !            40: sub makerequest {
        !            41:     my ($request,$content,$perlvar,$timeout,$verifycert,$use_lc_ca,$debug) = @_;
        !            42:     unless (ref($perlvar) eq' HASH') {
        !            43:         $perlvar = LONCAPA::Configuration::read_conf('loncapa.conf');
        !            44:     }
        !            45:     my ($certf,$keyf,$caf,@opts);
        !            46:     if (ref($perlvar) eq 'HASH') {
        !            47:         $certf = $perlvar->{'lonCertificateDirectory'}.'/'.$perlvar->{'lonnetHostnameCertificate'};
        !            48:         $keyf = $perlvar->{'lonCertificateDirectory'}.'/'.$perlvar->{'lonnetPrivateKey'};
        !            49:         $caf = $perlvar->{'lonCertificateDirectory'}.'/'.$perlvar->{'lonnetCertificateAuthority'};
        !            50:     }
        !            51:     if ($debug) {
        !            52:         $IO::Socket::SSL::DEBUG=$debug;
        !            53:     }
        !            54:     my $response;
        !            55:     if (LWP::UserAgent->VERSION >= 6.00) {
        !            56:         my $ssl_opts;
        !            57:         if ($use_lc_ca && $certf && $keyf) {
        !            58:             $ssl_opts->{'SSL_use_cert'} = 1;
        !            59:             $ssl_opts->{'SSL_cert_file'} = $certf;
        !            60:             $ssl_opts->{'SSL_key_file'} = $keyf;
        !            61:         } else {
        !            62:             $ssl_opts->{'SSL_use_cert'} = 0;
        !            63:         }
        !            64:         if ($verifycert) {
        !            65:             $ssl_opts->{'verify_hostname'} = 1;
        !            66:             $ssl_opts->{'SSL_verify_mode'} = IO::Socket::SSL::SSL_VERIFY_PEER;
        !            67:             $ssl_opts->{'SSL_version'} = 'SSLv23:!SSLv3:!SSLv2';
        !            68:             if ($use_lc_ca) {   
        !            69:                 $ssl_opts->{'SSL_ca_file'} = $caf;
        !            70:             }
        !            71:         } else {
        !            72:             $ssl_opts->{'verify_hostname'} = 0;
        !            73:             $ssl_opts->{'SSL_verify_mode'} = IO::Socket::SSL::SSL_VERIFY_NONE;
        !            74:         }
        !            75:         push(@opts,(ssl_opts => $ssl_opts));
        !            76:         my $ua = LWP::UserAgent->new(@opts);
        !            77:         if ($timeout) {
        !            78:             $ua->timeout($timeout);
        !            79:         }
        !            80:         if ($content ne '') {
        !            81:             $response = $ua->request($request,$content);
        !            82:         } else {
        !            83:             $response = $ua->request($request);
        !            84:         }
        !            85:     } else {
        !            86:         {
        !            87:             require Net::SSLGlue::LWP;
        !            88:             local %Net::SSLGlue::LWP::SSLopts = %Net::SSLGlue::LWP::SSLopts;
        !            89:             if ($use_lc_ca && $certf && $keyf) {
        !            90:                 $Net::SSLGlue::LWP::SSLopts{'SSL_use_cert'} = 1;
        !            91:                 $Net::SSLGlue::LWP::SSLopts{'SSL_cert_file'} = $certf;
        !            92:                 $Net::SSLGlue::LWP::SSLopts{'SSL_key_file'} = $keyf;
        !            93:             } else {
        !            94:                 $Net::SSLGlue::LWP::SSLopts{'SSL_use_cert'} = 0;
        !            95:             }
        !            96:             if ($verifycert) {
        !            97:                 $Net::SSLGlue::LWP::SSLopts{'SSL_verify_mode'} = IO::Socket::SSL::SSL_VERIFY_PEER;
        !            98:                 $Net::SSLGlue::LWP::SSLopts{'SSL_version'} = 'SSLv23:!SSLv3:!SSLv2';
        !            99:                 if ($use_lc_ca) {
        !           100:                     $Net::SSLGlue::LWP::SSLopts{'SSL_ca_file'} = $caf;
        !           101:                 }
        !           102:             } else {
        !           103:                 $Net::SSLGlue::LWP::SSLopts{'SSL_verify_mode'} = IO::Socket::SSL::SSL_VERIFY_NONE;
        !           104:             }
        !           105:             my $ua = LWP::UserAgent->new();
        !           106:             if ($timeout) {
        !           107:                 $ua->timeout($timeout);
        !           108:             }
        !           109:             if ($content ne '') {
        !           110:                 $response = $ua->request($request,$content);
        !           111:             } else {
        !           112:                 $response = $ua->request($request);
        !           113:             }
        !           114:         }
        !           115:    }
        !           116:    return $response;
        !           117: }
        !           118: 
        !           119: 1;