--- loncom/auth/lonacc.pm 2020/09/30 20:03:12 1.159.2.8.2.4 +++ loncom/auth/lonacc.pm 2016/12/05 00:51:43 1.165 @@ -1,7 +1,7 @@ # The LearningOnline Network # Cookie Based Access Handler # -# $Id: lonacc.pm,v 1.159.2.8.2.4 2020/09/30 20:03:12 raeburn Exp $ +# $Id: lonacc.pm,v 1.165 2016/12/05 00:51:43 raeburn Exp $ # # Copyright Michigan State University Board of Trustees # @@ -159,7 +159,7 @@ sub get_posted_cgi { if (length($value) == 1) { $value=~s/[\r\n]$//; } - } elsif ($fname =~ /\.(xls|doc|ppt)(x|m)$/i) { + } elsif ($fname =~ /\.(xls|doc|ppt)x$/i) { $value=~s/[\r\n]$//; } if (ref($fields) eq 'ARRAY') { @@ -202,6 +202,14 @@ sub get_posted_cgi { $fname=''; $fmime=''; } + if ($i<$#lines && $lines[$i+1]=~/^Content\-Type\:\s*([\w\-\/]+)/i) { + # TODO: something with $1 ! + $i++; + } + if ($i<$#lines && $lines[$i+1]=~/^Content\-transfer\-encoding\:\s*([\w\-\/]+)/i) { + # TODO: something with $1 ! + $i++; + } $i++; } } else { @@ -281,6 +289,7 @@ sub upload_size_allowed { sub sso_login { my ($r,$handle,$username) = @_; + my $lonidsdir=$r->dir_config('lonIDsDir'); if (($r->user eq '') || ($username ne '') || ($r->user eq 'public:public') || (defined($env{'user.name'}) && (defined($env{'user.domain'})) && ($handle ne ''))) { @@ -332,21 +341,17 @@ sub sso_login { ($is_balancer,$otherserver) = &Apache::lonnet::check_loadbalancing($user,$domain,'login'); if ($is_balancer) { - # Check if browser sent a LON-CAPA load balancer cookie (and this is a balancer) - my ($found_server,$balancer_cookie) = &Apache::lonnet::check_for_balancer_cookie($r); - if (($found_server) && ($balancer_cookie =~ /^\Q$domain\E_\Q$user\E_/)) { - $otherserver = $found_server; - } elsif ($otherserver eq '') { + if ($otherserver eq '') { my $lowest_load; ($otherserver,undef,undef,undef,$lowest_load) = &Apache::lonnet::choose_server($domain); if ($lowest_load > 100) { $otherserver = &Apache::lonnet::spareserver($lowest_load,$lowest_load,1,$domain); } - if ($otherserver ne '') { - my @hosts = &Apache::lonnet::current_machine_ids(); - if (grep(/^\Q$otherserver\E$/,@hosts)) { - $hosthere = $otherserver; - } + } + if ($otherserver ne '') { + my @hosts = &Apache::lonnet::current_machine_ids(); + if (grep(/^\Q$otherserver\E$/,@hosts)) { + $hosthere = $otherserver; } } } @@ -355,14 +360,6 @@ sub sso_login { # login but immediately go to switch server to find us a new # machine &Apache::lonauth::success($r,$user,$domain,$home,'noredirect'); - foreach my $item (keys(%form)) { - $env{'form.'.$item} = $form{$item}; - } - unless ($form{'symb'}) { - unless (($r->uri eq '/adm/roles') || ($r->uri eq '/adm/sso')) { - $env{'form.origurl'} = $r->uri; - } - } $env{'request.sso.login'} = 1; if (defined($r->dir_config("lonSSOReloginServer"))) { $env{'request.sso.reloginserver'} = @@ -377,7 +374,7 @@ sub sso_login { } else { # need to login them in, so generate the need data that # migrate expects to do login - my $ip = $r->get_remote_host(); + my $ip = $r->get_remote_host(); my %info=('ip' => $ip, 'domain' => $domain, 'username' => $user, @@ -509,7 +506,7 @@ sub handler { my $preserved; foreach my $pair (split(/&/,$query)) { my ($name, $value) = split(/=/,$pair); - unless (($name eq 'symb') || ($name eq 'usehttp')) { + unless ($name eq 'symb') { $preserved .= $pair.'&'; } if (($env{'request.course.id'}) && ($name eq 'folderpath')) { @@ -537,7 +534,6 @@ sub handler { if ($value =~ /^supplemental/) { $suppext = 1; } - last; } } } @@ -550,7 +546,6 @@ sub handler { my $lonhost = &Apache::lonnet::host_from_dns($hostname); if ($lonhost) { my $actual = &Apache::lonnet::absolute_url($hostname); - my $exphostname = &Apache::lonnet::hostname($lonhost); my $expected = $Apache::lonnet::protocol{$lonhost}.'://'.$hostname; unless ($actual eq $expected) { $env{'request.use_absolute'} = $expected; @@ -566,7 +561,7 @@ sub handler { my $checkexempt; if ($env{'user.loadbalexempt'} eq $r->dir_config('lonHostID')) { if ($env{'user.loadbalcheck.time'} + 600 > time) { - $checkexempt = 1; + $checkexempt = 1; } } if ($env{'user.noloadbalance'} eq $r->dir_config('lonHostID')) { @@ -576,92 +571,24 @@ sub handler { ($is_balancer,$otherserver) = &Apache::lonnet::check_loadbalancing($env{'user.name'}, $env{'user.domain'}); - if ($is_balancer) { - unless (($requrl eq '/adm/switchserver') && (!$r->is_initial_req())) { - # Check if browser sent a LON-CAPA load balancer cookie (and this is a balancer) - my ($found_server,$balancer_cookie) = &Apache::lonnet::check_for_balancer_cookie($r); - if (($found_server) && ($balancer_cookie =~ /^\Q$env{'user.domain'}\E_\Q$env{'user.name'}\E_/)) { - $otherserver = $found_server; - } - } - } } if ($is_balancer) { - unless (($requrl eq '/adm/switchserver') && (!$r->is_initial_req())) { - $r->set_handlers('PerlResponseHandler'=> - [\&Apache::switchserver::handler]); - if ($otherserver ne '') { - $env{'form.otherserver'} = $otherserver; - } + $r->set_handlers('PerlResponseHandler'=> + [\&Apache::switchserver::handler]); + if ($otherserver ne '') { + $env{'form.otherserver'} = $otherserver; } unless (($env{'form.origurl'}) || ($r->uri eq '/adm/roles') || ($r->uri eq '/adm/switchserver') || ($r->uri eq '/adm/sso')) { $env{'form.origurl'} = $r->uri; } } - if ($requrl=~m{^/+tiny/+$match_domain/+\w+$}) { - if ($env{'user.name'} eq 'public' && - $env{'user.domain'} eq 'public') { - $env{'request.firsturl'}=$requrl; - return FORBIDDEN; - } else { - return OK; - } - } # ---------------------------------------------------------------- Check access my $now = time; - my $check_symb; - if ($requrl !~ m{^/(?:adm|public|(?:prt|zip)spool)/} + if ($requrl !~ m{^/(?:adm|public|prtspool)/} || $requrl =~ /^\/adm\/.*\/(smppg|bulletinboard)(\?|$ )/x) { - my ($access,$poss_symb); - if (($env{'request.course.id'}) && (!$suppext)) { - $requrl=~/\.(\w+)$/; - if ((&Apache::loncommon::fileembstyle($1) eq 'ssi') || - ($requrl=~/^\/adm\/.*\/(aboutme|smppg|bulletinboard)(\?|$ )/x) || - ($requrl=~/^\/adm\/wrapper\//) || - ($requrl=~m|^/adm/coursedocs/showdoc/|) || - ($requrl=~m|\.problem/smpedit$|) || - ($requrl=~/^\/public\/.*\/syllabus$/) || - ($requrl=~/^\/adm\/(viewclasslist|navmaps)$/) || - ($requrl=~/^\/adm\/.*\/aboutme\/portfolio(\?|$)/)) { - $check_symb = 1; - } - } - if ($check_symb) { - if ($env{'form.symb'}) { - $poss_symb=&Apache::lonnet::symbclean($env{'form.symb'}); - } elsif (($env{'request.course.id'}) && ($r->args ne '')) { - my $query = $r->args; - foreach my $pair (split(/&/,$query)) { - my ($name, $value) = split(/=/,$pair); - if ($name eq 'symb') { - $poss_symb = &Apache::lonnet::symbclean($value); - last; - } - } - } - if ($poss_symb) { - my ($possmap,$resid,$url)=&Apache::lonnet::decode_symb($poss_symb); - $url = &Apache::lonnet::clutter($url); - unless (($url eq $requrl) && (&Apache::lonnet::is_on_map($possmap))) { - undef($poss_symb); - } - if ($poss_symb) { - if ((!$env{'request.role.adv'}) && ($env{'acc.randomout'}) && - ($env{'acc.randomout'}=~/\&\Q$poss_symb\E\&/)) { - undef($poss_symb); - } - } - } - if ($poss_symb) { - $access=&Apache::lonnet::allowed('bre',$requrl,$poss_symb); - } else { - $access=&Apache::lonnet::allowed('bre',$requrl,'','','','',1); - } - } else { - $access=&Apache::lonnet::allowed('bre',$requrl); - } + my $access=&Apache::lonnet::allowed('bre',$requrl); if ($handle eq '') { unless ($access eq 'F') { if ($requrl =~ m{^/res/$match_domain/$match_username/}) { @@ -678,14 +605,6 @@ sub handler { return OK; } if ($access eq 'B') { - if ($poss_symb) { - if ($requrl=~m{^(/adm/.*/aboutme)/portfolio$}) { - $requrl = $1; - } - if (&Apache::lonnet::symbverify($poss_symb,$requrl)) { - $env{'request.symb'} = $poss_symb; - } - } &Apache::blockedaccess::setup_handler($r); return OK; } @@ -736,7 +655,7 @@ sub handler { $env{'user.domain'} eq 'public' && $requrl !~ m{^/+(res|public|uploaded)/} && $requrl !~ m{^/adm/[^/]+/[^/]+/aboutme/portfolio$ }x && - $requrl !~ m{^/adm/blockingstatus/.*$} && + $requrl !~ m{^/adm/blockingstatus/.*$} && $requrl !~ m{^/+adm/(help|logout|restrictedaccess|randomlabel\.png)}) { $env{'request.querystring'}=$r->args; $env{'request.firsturl'}=$requrl; @@ -745,8 +664,16 @@ sub handler { # ------------------------------------------------------------- This is allowed if ($env{'request.course.id'}) { &Apache::lonnet::countacc($requrl); + $requrl=~/\.(\w+)$/; my $query=$r->args; - if ($check_symb) { + if ((&Apache::loncommon::fileembstyle($1) eq 'ssi') || + ($requrl=~/^\/adm\/.*\/(aboutme|smppg|bulletinboard)(\?|$ )/x) || + ($requrl=~/^\/adm\/wrapper\//) || + ($requrl=~m|^/adm/coursedocs/showdoc/|) || + ($requrl=~m|\.problem/smpedit$|) || + ($requrl=~/^\/public\/.*\/syllabus$/) || + ($requrl=~/^\/adm\/(viewclasslist|navmaps)$/) || + ($requrl=~/^\/adm\/.*\/aboutme\/portfolio(\?|$)/)) { # ------------------------------------- This is serious stuff, get symb and log my $symb; if ($query) { @@ -754,16 +681,9 @@ sub handler { } if ($env{'form.symb'}) { $symb=&Apache::lonnet::symbclean($env{'form.symb'}); - if ($requrl eq '/adm/navmaps') { - my ($map,$mid,$murl)=&Apache::lonnet::decode_symb($symb); - &Apache::lonnet::symblist($map,$murl => [$murl,$mid]); - } elsif ($requrl =~ m|^/adm/wrapper/| + if ($requrl =~ m|^/adm/wrapper/| || $requrl =~ m|^/adm/coursedocs/showdoc/|) { my ($map,$mid,$murl)=&Apache::lonnet::decode_symb($symb); - if ($map =~ /\.page$/) { - my $mapsymb = &Apache::lonnet::symbread($map); - ($map,$mid,$murl)=&Apache::lonnet::decode_symb($mapsymb); - } &Apache::lonnet::symblist($map,$murl => [$murl,$mid], 'last_known' =>[$murl,$mid]); } elsif ((&Apache::lonnet::symbverify($symb,$requrl)) || @@ -772,10 +692,6 @@ sub handler { (($requrl=~m|(.*/aboutme)/portfolio$|) && &Apache::lonnet::symbverify($symb,$1))) { my ($map,$mid,$murl)=&Apache::lonnet::decode_symb($symb); - if (($map =~ /\.page$/) && ($requrl !~ /\.page$/)) { - my $mapsymb = &Apache::lonnet::symbread($map); - ($map,$mid,$murl)=&Apache::lonnet::decode_symb($mapsymb); - } &Apache::lonnet::symblist($map,$murl => [$murl,$mid], 'last_known' =>[$murl,$mid]); } else { @@ -789,58 +705,24 @@ sub handler { if ($requrl=~m{^(/adm/.*/aboutme)/portfolio$}) { $requrl = $1; } - $symb=&Apache::lonnet::symbread($requrl); - if (&Apache::lonnet::is_on_map($requrl) && $symb) { - my ($encstate,$invalidsymb); - unless (&Apache::lonnet::symbverify($symb,$requrl,\$encstate)) { - $invalidsymb = 1; - # - # If $env{'request.enc'} is true, but no encryption for $symb retrieved - # by original lonnet::symbread() call, call again to check for an instance - # of $requrl in the course which has encryption, and set that as the symb. - # If there is no such symb, or symbverify() fails for the new symb proceed - # to report invalid symb. - # - if ($env{'request.enc'} && !$encstate) { - my %possibles; - my $nocache = 1; - $symb = &Apache::lonnet::symbread($requrl,'','','',\%possibles,$nocache); - if ($symb) { - if (&Apache::lonnet::symbverify($symb,$requrl)) { - $invalidsymb = ''; - } - } elsif (keys(%possibles) > 1) { - $r->internal_redirect('/adm/ambiguous'); - return OK; - } - } - if ($invalidsymb) { - $r->log_reason('Invalid symb for '.$requrl.': '.$symb); - $env{'user.error.msg'}= - "$requrl:bre:1:1:Invalid Access"; - return HTTP_NOT_ACCEPTABLE; - } - } - } - if ($symb) { - my ($map,$mid,$murl)= - &Apache::lonnet::decode_symb($symb); - if ($requrl eq '/adm/navmaps') { - &Apache::lonnet::symblist($map,$murl =>[$murl,$mid]); - } else { - if (($map =~ /\.page$/) && ($requrl !~ /\.page$/)) { - my $mapsymb = &Apache::lonnet::symbread($map); - ($map,$mid,$murl)=&Apache::lonnet::decode_symb($mapsymb); - } - &Apache::lonnet::symblist($map,$murl =>[$murl,$mid], - 'last_known' =>[$murl,$mid]); - } + unless ($suppext) { + $symb=&Apache::lonnet::symbread($requrl); + if (&Apache::lonnet::is_on_map($requrl) && $symb && + !&Apache::lonnet::symbverify($symb,$requrl)) { + $r->log_reason('Invalid symb for '.$requrl.': '.$symb); + $env{'user.error.msg'}= + "$requrl:bre:1:1:Invalid Access"; + return HTTP_NOT_ACCEPTABLE; + } + if ($symb) { + my ($map,$mid,$murl)= + &Apache::lonnet::decode_symb($symb); + &Apache::lonnet::symblist($map,$murl =>[$murl,$mid], + 'last_known' =>[$murl,$mid]); + } } } $env{'request.symb'}=$symb; - if (($env{'request.symbread.cached.'}) && ($env{'request.symbread.cached.'} ne $symb)) { - $env{'request.symbread.cached.'} = $symb; - } &Apache::lonnet::courseacclog($symb); } else { # ------------------------------------------------------- This is other content @@ -886,7 +768,7 @@ sub handler { # ------------------------------------ See if this is a viewable portfolio file if (&Apache::lonnet::is_portfolio_url($requrl)) { my $clientip = $r->get_remote_host(); - my $access=&Apache::lonnet::allowed('bre',$requrl,undef,undef,$clientip); + my $access=&Apache::lonnet::allowed('bre',$requrl,undef,undef,$clientip); if ($access eq 'A') { &Apache::restrictedaccess::setup_handler($r); return OK;