--- loncom/auth/lonacc.pm 2006/07/14 21:38:26 1.86 +++ loncom/auth/lonacc.pm 2006/09/07 20:57:04 1.97 @@ -1,7 +1,7 @@ # The LearningOnline Network # Cookie Based Access Handler # -# $Id: lonacc.pm,v 1.86 2006/07/14 21:38:26 albertel Exp $ +# $Id: lonacc.pm,v 1.97 2006/09/07 20:57:04 albertel Exp $ # # Copyright Michigan State University Board of Trustees # @@ -44,6 +44,7 @@ sub cleanup { my ($r)=@_; if (! $r->is_initial_req()) { return DECLINED; } &Apache::lonnet::save_cache(); + &Apache::lontexconvert::jsMath_reset(); return OK; } @@ -137,189 +138,53 @@ sub get_posted_cgi { $r->headers_in->unset('Content-length'); } -sub portfolio_access { - my ($udom,$unum,$file_name,$group) = @_; - my $current_perms = &Apache::lonnet::get_portfile_permissions($udom,$unum); - my %access_controls = &Apache::lonnet::get_access_controls( - $current_perms,$group,$file_name); - my ($public,$guest,@domains,@users,@courses,@groups); - my $now = time; - my $access_hash = $access_controls{$file_name}; - if (ref($access_hash) eq 'HASH') { - foreach my $key (keys(%{$access_hash})) { - my ($num,$scope,$end,$start) = ($key =~ /^([^:]+):([a-z]+)_(\d*)_?(\d*)$/); - if ($start > $now) { - next; - } - if ($end && $end<$now) { - next; - } - if ($scope eq 'public') { - $public = $key; - last; - } elsif ($scope eq 'guest') { - $guest = $key; - } elsif ($scope eq 'domains') { - push(@domains,$key); - } elsif ($scope eq 'users') { - push(@users,$key); - } elsif ($scope eq 'course') { - push(@courses,$key); - } elsif ($scope eq 'group') { - push(@groups,$key); - } - } - if ($public) { - return 'ok'; - } - if ($env{'user.name'} eq 'public' && $env{'user.domain'} eq 'public') { - if ($guest) { - return $guest; - } - } else { - if (@domains > 0) { - foreach my $domkey (@domains) { - my %content = &Apache::lonnet::parse_access_controls($$access_hash{$domkey}); - if (ref($content{'dom'}) eq 'ARRAY') { - if (grep(/^\Q$env{'user.domain'}\E$/,@{$content{'dom'}})) { - return 'ok'; - } - } - } - } - if (@users > 0) { - foreach my $userkey (@users) { - my %content = &Apache::lonnet::parse_access_controls($$access_hash{$userkey}); - if (exists($content{'users'}{$env{'user.name'}.':'.$env{'user.domain'}})) { - return 'ok'; - } - } - } - my %roleshash; - my @courses_and_groups = @courses; - push(@courses_and_groups,@groups); - if (@courses_and_groups > 0) { - my (%allgroups,%allroles); - my ($start,$end,$role,$sec,$group); - foreach my $envkey (%env) { - if ($envkey =~ m-^user\.role\.(gr|cc|in|ta|ep|st)\./([^/]+)/([^/]+)/?([^/]*)$-) { - my $cid = $2.'_'.$3; - if ($1 eq 'gr') { - $group = $4; - $allgroups{$cid}{$group} = $env{$envkey}; - } else { - if ($4 eq '') { - $sec = 'none'; - } else { - $sec = $4; - } - $allroles{$cid}{$1}{$sec} = $env{$envkey}; - } - } elsif ($envkey =~ m-^user\.role\./cr/(\w+/\w+/\w*)./([^/]+)/([^/]+)/?([^/]*)$-) { - my $cid = $2.'_'.$3; - if ($4 eq '') { - $sec = 'none'; - } else { - $sec = $4; - } - $allroles{$cid}{$1}{$sec} = $env{$envkey}; - } - } - if (keys(%allroles) == 0) { - return; - } - foreach my $key (@courses_and_groups) { - my %content = &Apache::lonnet::parse_access_controls($$access_hash{$key}); - my $cnum = $content{'number'}; - my $cdom = $content{'domain'}; - my $cid = $cdom.'_'.$cnum; - if (!exists($allroles{$cid})) { - next; - } - foreach my $role_id (keys(%{$content{'roles'}})) { - my @sections = @{$content{'roles'}{$role_id}{'section'}}; - my @groups = @{$content{'roles'}{$role_id}{'group'}}; - my @status = @{$content{'roles'}{$role_id}{'access'}}; - my @roles = @{$content{'roles'}{$role_id}{'role'}}; - foreach my $role (keys(%{$allroles{$cid}})) { - if ((grep/^all$/,@roles) || (grep/^\Q$role\E$/,@roles)) { - foreach my $sec (keys(%{$allroles{$cid}{$role}})) { - if (&course_group_datechecker($allroles{$cid}{$role}{$sec},$now,\@status) eq 'ok') { - if (grep/^all$/,@sections) { - return 'ok'; - } else { - if (grep/^$sec$/,@sections) { - return 'ok'; - } - } - } - } - if (keys(%{$allgroups{$cid}}) == 0) { - if (grep/^none$/,@groups) { - return 'ok'; - } - } else { - if (grep/^all$/,@groups) { - return 'ok'; - } - foreach my $group (keys(%{$allgroups{$cid}})) { - if (grep/^$group$/,@groups) { - return 'ok'; - } - } - } - } - } - } - } - } - if ($guest) { - return $guest; - } - } - } - return; -} +# handle the case of the single sign on user, at this point $r->user +# will be set and valid now need to find the loncapa user info and possibly +# balance them +# returns OK if it was a SSO and user was handled +# undef if not SSO or no means to hanle the user +sub sso_login { + my ($r,$lonid,$handle) = @_; -sub passphrase_access_checker { - my ($r,$guestkey,$requrl) = @_; - my ($num,$scope,$end,$start) = ($guestkey =~ /^([^:]+):([a-z]+)_(\d*)_?(\d*)$/); - if ($scope eq 'guest') { - if (exists($env{'user.passphrase_access_'.$requrl})) { - if (($env{'user.passphrase_access_'.$requrl} == 0) || - ($env{'user.passphrase_access_'.$requrl} > time)) { - $env{'request.publicaccess'} = 1; - return 'ok'; - } - } - } - $r->set_handlers('PerlHandler'=> \&Apache::restrictedaccess::handler); - $r->content_type('perl-script'); - return; -} - -sub course_group_datechecker { - my ($dates,$now,$status) = @_; - my ($start,$end) = split(/\./,$dates); - if (!$start && !$end) { - return 'ok'; - } - if (grep/^active$/,@{$status}) { - if (((!$start) || ($start && $start <= $now)) && ((!$end) || ($end && $end >= $now))) { - return 'ok'; - } - } - if (grep/^previous$/,@{$status}) { - if ($end > $now ) { - return 'ok'; - } - } - if (grep/^future$/,@{$status}) { - if ($start > $now) { - return 'ok'; - } + my $lonidsdir=$r->dir_config('lonIDsDir'); + if (!($r->user + && (!defined($env{'user.name'}) && !defined($env{'user.domain'})) + && (!$lonid || !-e "$lonidsdir/$handle.id" || $handle eq ''))) { + # not an SSO case or already logged in + return undef; + } + + my ($user) = ($r->user =~ m/([a-zA-Z0-9_\-@.]*)/); + + my $domain = $r->dir_config('lonDefDomain'); + my $home=&Apache::lonnet::homeserver($user,$domain); + if ($home !~ /(con_lost|no_host|no_such_host)/) { + if ($r->dir_config("lonBalancer") eq 'yes') { + # login but immeaditly go to switch server to find us a new + # machine + &Apache::lonauth::success($r,$user,$domain,$home,'noredirect'); + $r->internal_redirect('/adm/switchserver'); + } else { + # need to login them in, so generate the need data that + # migrate expects to do login + my %info=('ip' => $r->connection->remote_ip(), + 'domain' => $domain, + 'username' => $user, + 'server' => $r->dir_config('lonHostID'), + 'sso.login' => 1 + ); + my $token = + &Apache::lonnet::tmpput(\%info, + $r->dir_config('lonHostID')); + $env{'form.token'} = $token; + $r->internal_redirect('/adm/migrateuser'); + } + return OK; + } elsif (defined($r->dir_config('lonSSOUserUnkownRedirect'))) { + $r->internal_redirect($r->dir_config('lonSSOUserUnkownRedirect')); + return OK; } - return; + return undef; } sub handler { @@ -335,202 +200,159 @@ sub handler { $handle=$lonid->value; $handle=~s/\W//g; } - - my ($sso_login); - if ($r->user - && (!$lonid || !-e "$lonidsdir/$handle.id" || $handle eq '') ) { - $sso_login = 1; - my $domain = $r->dir_config('lonDefDomain'); - my $home=&Apache::lonnet::homeserver($r->user,$domain); - if ($home !~ /(con_lost|no_such_host)/) { - $handle=&Apache::lonauth::success($r,$r->user,$domain, - $home,'noredirect'); - $r->header_out('Set-cookie',"lonID=$handle; path=/"); - } - } - if ($sso_login) { - &Apache::lonnet::appenv('request.sso.login' => 1); + if (my $result = &sso_login($r,$lonid,$handle)) { + return $result } + if ($r->dir_config("lonBalancer") eq 'yes') { $r->set_handlers('PerlResponseHandler'=> [\&Apache::switchserver::handler]); } - - if ($handle ne '') { - if ((-e "$lonidsdir/$handle.id") && ($handle ne '')) { + + if ($handle eq '') { + $r->log_reason("Cookie $handle not valid", $r->filename); + } elsif ((-e "$lonidsdir/$handle.id") && ($handle ne '')) { # ------------------------------------------------------ Initialize Environment - &Apache::lonnet::transfer_profile_to_env($lonidsdir,$handle); + &Apache::lonnet::transfer_profile_to_env($lonidsdir,$handle); # --------------------------------------------------------- Initialize Language - &Apache::lonlocal::get_language_handle($r); + &Apache::lonlocal::get_language_handle($r); + } + +# -------------------------------------------------- Should be a valid user now + if ($env{'user.name'} ne '' && $env{'user.domain'} ne '') { # -------------------------------------------------------------- Resource State - if ($requrl=~/^\/+(res|uploaded)\//) { - $env{'request.state'} = "published"; - } else { - $env{'request.state'} = 'unknown'; - } - $env{'request.filename'} = $r->filename; - $env{'request.noversionuri'} = &Apache::lonnet::deversion($requrl); + if ($requrl=~/^\/+(res|uploaded)\//) { + $env{'request.state'} = "published"; + } else { + $env{'request.state'} = 'unknown'; + } + $env{'request.filename'} = $r->filename; + $env{'request.noversionuri'} = &Apache::lonnet::deversion($requrl); # -------------------------------------------------------- Load POST parameters - &Apache::lonacc::get_posted_cgi($r); + &Apache::lonacc::get_posted_cgi($r); # ---------------------------------------------------------------- Check access - my $now = time; - if ($requrl =~ m|/+uploaded/([^/]+)/([^/]+)/portfolio(/.+)$|) { - my $result = &portfolio_access($1,$2,$3); - if ($result eq 'ok') { - return OK; - } elsif ($result =~ /^[^:]+:guest_/) { - &passphrase_access_checker($r,$result,$requrl); - return OK; - } - } elsif ($requrl =~ m|/+uploaded/([^/]+)/([^/]+)/groups/([^/]+)/portfolio/(.+)$|) { - my $result = &portfolio_access($1,$2,$3.'/'.$4,$3); - if ($result eq 'ok') { - return OK; - } elsif ($result =~ /^[^:]+:guest_/) { - &passphrase_access_checker($r,$result,$requrl); - return OK; - } - } - if ($requrl!~/^\/adm|public|prtspool\//) { - my $access=&Apache::lonnet::allowed('bre',$requrl); - if ($access eq '1') { - $env{'user.error.msg'}="$requrl:bre:0:0:Choose Course"; - return HTTP_NOT_ACCEPTABLE; - } - if (($access ne '2') && ($access ne 'F')) { - $env{'user.error.msg'}="$requrl:bre:1:1:Access Denied"; - return HTTP_NOT_ACCEPTABLE; - } - } - if ($requrl =~ m|^/prtspool/|) { - my $start='/prtspool/'.$env{'user.name'}.'_'. - $env{'user.domain'}; - if ($requrl !~ /^\Q$start\E/) { - $env{'user.error.msg'}="$requrl:bre:1:1:Access Denied"; - return HTTP_NOT_ACCEPTABLE; - } + my $now = time; + if ($requrl !~ m{^/(?:adm|public|prtspool)/} + || $requrl =~ /^\/adm\/.*\/(smppg|bulletinboard)(\?|$ )/x) { + my $access=&Apache::lonnet::allowed('bre',$requrl); + if ($access eq '1') { + $env{'user.error.msg'}="$requrl:bre:0:0:Choose Course"; + return HTTP_NOT_ACCEPTABLE; + } + if ($access eq 'A') { + &Apache::restrictedaccess::setup_handler($r); + return OK; + } + if (($access ne '2') && ($access ne 'F')) { + $env{'user.error.msg'}="$requrl:bre:1:1:Access Denied"; + return HTTP_NOT_ACCEPTABLE; } - if ($env{'user.name'} eq 'public' && - $env{'user.domain'} eq 'public' && - $requrl !~ m{^/+(res|public)/} && - $requrl !~ m{^/+adm/(help|logout|randomlabel\.png)}) { - $env{'request.querystring'}=$r->args; - $env{'request.firsturl'}=$requrl; - return FORBIDDEN; + } + if ($requrl =~ m|^/prtspool/|) { + my $start='/prtspool/'.$env{'user.name'}.'_'. + $env{'user.domain'}; + if ($requrl !~ /^\Q$start\E/) { + $env{'user.error.msg'}="$requrl:bre:1:1:Access Denied"; + return HTTP_NOT_ACCEPTABLE; } + } + if ($env{'user.name'} eq 'public' && + $env{'user.domain'} eq 'public' && + $requrl !~ m{^/+(res|public|uploaded)/} && + $requrl !~ m{^/adm/[^/]+/[^/]+/aboutme/portfolio$ }x && + $requrl !~ m{^/+adm/(help|logout|restrictedaccess|randomlabel\.png)}) { + $env{'request.querystring'}=$r->args; + $env{'request.firsturl'}=$requrl; + return FORBIDDEN; + } # ------------------------------------------------------------- This is allowed - if ($env{'request.course.id'}) { + if ($env{'request.course.id'}) { &Apache::lonnet::countacc($requrl); - $requrl=~/\.(\w+)$/; - if ((&Apache::loncommon::fileembstyle($1) eq 'ssi') || - ($requrl=~/^\/adm\/.*\/(aboutme|navmaps|smppg|bulletinboard)(\?|$)/) || - ($requrl=~/^\/adm\/wrapper\//) || - ($requrl=~m|^/adm/coursedocs/showdoc/|) || - ($requrl=~m|\.problem/smpedit$|) || - ($requrl=~/^\/public\/.*\/syllabus$/)) { + $requrl=~/\.(\w+)$/; + if ((&Apache::loncommon::fileembstyle($1) eq 'ssi') || + ($requrl=~/^\/adm\/.*\/(aboutme|navmaps|smppg|bulletinboard)(\?|$ )/x) || + ($requrl=~/^\/adm\/wrapper\//) || + ($requrl=~m|^/adm/coursedocs/showdoc/|) || + ($requrl=~m|\.problem/smpedit$|) || + ($requrl=~/^\/public\/.*\/syllabus$/)) { # ------------------------------------- This is serious stuff, get symb and log my $query=$r->args; - my $symb; - if ($query) { + my $symb; + if ($query) { &Apache::loncommon::get_unprocessed_cgi($query,['symb']); - } - if ($env{'form.symb'}) { + } + if ($env{'form.symb'}) { $symb=&Apache::lonnet::symbclean($env{'form.symb'}); - if ($requrl =~ m|^/adm/wrapper/| + if ($requrl =~ m|^/adm/wrapper/| || $requrl =~ m|^/adm/coursedocs/showdoc/|) { - my ($map,$mid,$murl)=&Apache::lonnet::decode_symb($symb); - &Apache::lonnet::symblist($map,$murl => [$murl,$mid], + my ($map,$mid,$murl)=&Apache::lonnet::decode_symb($symb); + &Apache::lonnet::symblist($map,$murl => [$murl,$mid], 'last_known' =>[$murl,$mid]); - } elsif ((&Apache::lonnet::symbverify($symb,$requrl)) || + } elsif ((&Apache::lonnet::symbverify($symb,$requrl)) || (($requrl=~m|(.*)/smpedit$|) && &Apache::lonnet::symbverify($symb,$1))) { - my ($map,$mid,$murl)=&Apache::lonnet::decode_symb($symb); - &Apache::lonnet::symblist($map,$murl => [$murl,$mid], - 'last_known' =>[$murl,$mid]); + my ($map,$mid,$murl)=&Apache::lonnet::decode_symb($symb); + &Apache::lonnet::symblist($map,$murl => [$murl,$mid], + 'last_known' =>[$murl,$mid]); } else { $r->log_reason('Invalid symb for '.$requrl.': '. - $symb); - $env{'user.error.msg'}= - "$requrl:bre:1:1:Invalid Access"; - return HTTP_NOT_ACCEPTABLE; - } - } else { - $symb=&Apache::lonnet::symbread($requrl); + $symb); + $env{'user.error.msg'}= + "$requrl:bre:1:1:Invalid Access"; + return HTTP_NOT_ACCEPTABLE; + } + } else { + $symb=&Apache::lonnet::symbread($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; + $env{'user.error.msg'}= + "$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,$mid]); + 'last_known' =>[$murl,$mid]); } - } - $env{'request.symb'}=$symb; - &Apache::lonnet::courseacclog($symb); - } else { + } + $env{'request.symb'}=$symb; + &Apache::lonnet::courseacclog($symb); + } else { # ------------------------------------------------------- This is other content - &Apache::lonnet::courseacclog($requrl); - } - } - return OK; - } else { - $r->log_reason("Cookie $handle not valid", $r->filename); - } + &Apache::lonnet::courseacclog($requrl); + } + } + return OK; } - # -------------------------------------------- See if this is a public resource - if ($requrl=~m|^/public/| - || (&Apache::lonnet::metadata($requrl,'copyright') eq 'public')) { - &Apache::lonnet::logthis('Granting public access: '.$requrl); - &Apache::lonlocal::get_language_handle($r); - my $cookie= - &Apache::lonauth::success($r,'public','public','public'); - my $lonidsdir=$r->dir_config('lonIDsDir'); - &Apache::lonnet::transfer_profile_to_env($lonidsdir,$cookie); - &Apache::lonacc::get_posted_cgi($r); - $env{'request.state'} = "published"; - $env{'request.publicaccess'} = 1; - $env{'request.filename'} = $r->filename; - - $r->header_out('Set-cookie',"lonID=$cookie; path=/"); - return OK; - } if ($requrl=~m|^/+adm/+help/+|) { - return OK; + return OK; } -# ------------------------------------- See if this is a viewable portfolio file - if ($requrl =~ m|/+uploaded/([^/]+)/([^/]+)/portfolio(/.+)$|) { - my $result = &portfolio_access($1,$2,$3); - if ($result eq 'ok') { - return OK; - } elsif ($result =~ /^[^:]+:guest_/) { - &passphrase_access_checker($r,$result,$requrl); - return OK; - } - } elsif ($requrl =~ m|/+uploaded/([^/]+)/([^/]+)/groups/([^/]+)/portfolio/(.+)$|) { - my $result = &portfolio_access($1,$2,$3.'/'.$4,$3); - if ($result eq 'ok') { - return OK; - } elsif ($result =~ /^[^:]+:guest_/) { - &passphrase_access_checker($r,$result,$requrl); +# ------------------------------------ See if this is a viewable portfolio file + if (&Apache::lonnet::is_portfolio_url($requrl)) { + my $access=&Apache::lonnet::allowed('bre',$requrl); + if ($access eq 'A') { + &Apache::restrictedaccess::setup_handler($r); return OK; } + if (($access ne '2') && ($access ne 'F')) { + $env{'user.error.msg'}="$requrl:bre:1:1:Access Denied"; + return HTTP_NOT_ACCEPTABLE; + } } + # -------------------------------------------------------------- Not authorized $requrl=~/\.(\w+)$/; # if ((&Apache::loncommon::fileembstyle($1) eq 'ssi') ||