1: # The LearningOnline Network with CAPA
2: # User Roles Screen
3: #
4: # $Id: lonroles.pm,v 1.336 2018/01/09 15:44:43 raeburn Exp $
5: #
6: # Copyright Michigan State University Board of Trustees
7: #
8: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
9: #
10: # LON-CAPA is free software; you can redistribute it and/or modify
11: # it under the terms of the GNU General Public License as published by
12: # the Free Software Foundation; either version 2 of the License, or
13: # (at your option) any later version.
14: #
15: # LON-CAPA is distributed in the hope that it will be useful,
16: # but WITHOUT ANY WARRANTY; without even the implied warranty of
17: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18: # GNU General Public License for more details.
19: #
20: # You should have received a copy of the GNU General Public License
21: # along with LON-CAPA; if not, write to the Free Software
22: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
23: #
24: # /home/httpd/html/adm/gpl.txt
25: #
26: # http://www.lon-capa.org/
27: #
28: ###
29:
30: =pod
31:
32: =head1 NAME
33:
34: Apache::lonroles - User Roles Screen
35:
36: =head1 SYNOPSIS
37:
38: Invoked by /etc/httpd/conf/srm.conf:
39:
40: <Location /adm/roles>
41: PerlAccessHandler Apache::lonacc
42: SetHandler perl-script
43: PerlHandler Apache::lonroles
44: ErrorDocument 403 /adm/login
45: ErrorDocument 500 /adm/errorhandler
46: </Location>
47:
48: =head1 OVERVIEW
49:
50: =head2 Choosing Roles
51:
52: C<lonroles> is a handler that allows a user to switch roles in
53: mid-session. LON-CAPA attempts to work with "No Role Specified", the
54: default role that a user has before selecting a role, as widely as
55: possible, but certain handlers for example need specification which
56: course they should act on, etc. Both in this scenario, and when the
57: handler determines via C<lonnet>'s C<&allowed> function that a certain
58: action is not allowed, C<lonroles> is used as error handler. This
59: allows the user to select another role which may have permission to do
60: what they were trying to do.
61:
62: =begin latex
63:
64: \begin{figure}
65: \begin{center}
66: \includegraphics[width=0.45\paperwidth,keepaspectratio]{Sample_Roles_Screen}
67: \caption{\label{Sample_Roles_Screen}Sample Roles Screen}
68: \end{center}
69: \end{figure}
70:
71: =end latex
72:
73: =head2 Role Initialization
74:
75: The privileges for a user are established at login time and stored in the session environment. As a consequence, a new role does not become active till the next login. Handlers are able to query for privileges using C<lonnet>'s C<&allowed> function. When a user first logs in, their role is the "common" role, which means that they have the sum of all of their privileges. During a session it might become necessary to choose a particular role, which as a consequence also limits the user to only the privileges in that particular role.
76:
77: =head1 INTRODUCTION
78:
79: This module enables a user to select what role he wishes to
80: operate under (instructor, student, teaching assistant, course
81: coordinator, etc). These roles are pre-established by the actions
82: of upper-level users.
83:
84: This is part of the LearningOnline Network with CAPA project
85: described at http://www.lon-capa.org.
86:
87: =head1 HANDLER SUBROUTINE
88:
89: This routine is called by Apache and mod_perl.
90:
91: =over 4
92:
93: =item *
94:
95: Roles Initialization (yes/no)
96:
97: =item *
98:
99: Get Error Message from Environment
100:
101: =item *
102:
103: Who is this?
104:
105: =item *
106:
107: Generate Page Output
108:
109: =item *
110:
111: Choice or no choice
112:
113: =item *
114:
115: Table
116:
117: =item *
118:
119: Privileges
120:
121: =back
122:
123: =cut
124:
125:
126: package Apache::lonroles;
127:
128: use strict;
129: use Apache::lonnet;
130: use Apache::lonuserstate();
131: use Apache::Constants qw(:common REDIRECT);
132: use Apache::File();
133: use Apache::lonmenu;
134: use Apache::loncommon;
135: use Apache::lonhtmlcommon;
136: use Apache::lonannounce;
137: use Apache::lonlocal;
138: use Apache::lonpageflip();
139: use Apache::lonnavdisplay();
140: use Apache::loncoursequeueadmin;
141: use Apache::longroup;
142: use Apache::lonrss;
143: use Apache::lonplacementtest;
144: use GDBM_File;
145: use LONCAPA qw(:DEFAULT :match);
146: use HTML::Entities;
147:
148:
149: sub redirect_user {
150: my ($r,$title,$url,$msg) = @_;
151: $msg = $title if (! defined($msg));
152: &Apache::loncommon::content_type($r,'text/html');
153: &Apache::loncommon::no_cache($r);
154: $r->send_http_header;
155:
156: # Breadcrumbs
157: my $brcrum = [{'href' => $url,
158: 'text' => 'Switching Role'},];
159: my $start_page = &Apache::loncommon::start_page('Switching Role',undef,
160: {'redirect' => [1,$url],
161: 'bread_crumbs' => $brcrum,});
162: my $end_page = &Apache::loncommon::end_page();
163:
164: # Note to style police:
165: # This must only replace the spaces, nothing else, or it bombs elsewhere.
166: $url=~s/ /\%20/g;
167: $r->print(<<ENDREDIR);
168: $start_page
169: <p>$msg</p>
170: $end_page
171: ENDREDIR
172: return;
173: }
174:
175: sub error_page {
176: my ($r,$error,$dest)=@_;
177: &Apache::loncommon::content_type($r,'text/html');
178: &Apache::loncommon::no_cache($r);
179: $r->send_http_header;
180: return OK if $r->header_only;
181: # Breadcrumbs
182: my $brcrum = [{'href' => $dest,
183: 'text' => 'Problems during Course Initialization'},];
184: $r->print(&Apache::loncommon::start_page('Problems during Course Initialization',
185: undef,
186: {'bread_crumbs' => $brcrum,})
187: );
188: $r->print(
189: '<script type="text/javascript">'.
190: '// <![CDATA['.
191: &Apache::lonmenu::rawconfig().
192: '// ]]>'.
193: '</script>'.
194: '<p class="LC_error">'.&mt('The following problems occurred:').
195: '<br />'.
196: $error.
197: '</p><br /><a href="'.$dest.'">'.&mt('Continue').'</a>'
198: );
199: $r->print(&Apache::loncommon::end_page());
200: }
201:
202: sub handler {
203:
204: my $r = shift;
205:
206: # Check for critical messages and redirect if present.
207: my ($redirect,$url) = &Apache::loncommon::critical_redirect(300,'roles');
208: if ($redirect) {
209: &Apache::loncommon::content_type($r,'text/html');
210: $r->header_out(Location => $url);
211: return REDIRECT;
212: }
213:
214: my $now=time;
215: my $then=$env{'user.login.time'};
216: my $refresh=$env{'user.refresh.time'};
217: my $update=$env{'user.update.time'};
218: if (!$refresh) {
219: $refresh = $then;
220: }
221: if (!$update) {
222: $update = $then;
223: }
224:
225: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'});
226:
227: # -------------------------------------------------- Check if setting hot list
228: my $hotlist;
229: if ($env{'form.action'} eq 'verify_and_change_rolespref') {
230: $hotlist = &Apache::lonpreferences::verify_and_change_rolespref($r);
231: }
232:
233: # -------------------------------------------------------- Check for new roles
234: my $updateresult;
235: if ($env{'form.state'} eq 'doupdate') {
236: my $show_course=&Apache::loncommon::show_course();
237: my $checkingtxt;
238: if ($show_course) {
239: $checkingtxt = &mt('Checking for new courses ...');
240: } else {
241: $checkingtxt = &mt('Checking for new roles ...');
242: }
243: $updateresult = $checkingtxt;
244: $updateresult .= &update_session_roles();
245: &Apache::lonnet::appenv({'user.update.time' => $now});
246: $update = $now;
247: &Apache::loncoursequeueadmin::reqauthor_check();
248: }
249:
250: # -------------------------------------------------- Check for author requests
251: my $reqauthor;
252: if ($env{'form.state'} eq 'requestauthor') {
253: $reqauthor = &Apache::loncoursequeueadmin::process_reqauthor(\$update);
254: }
255:
256: my $envkey;
257: my %dcroles = ();
258: my %helpdeskroles = ();
259: my ($numdc,$numhelpdesk,$numadhoc) =
260: &check_for_adhoc(\%dcroles,\%helpdeskroles,$update,$then);
261: my $loncaparev = $r->dir_config('lonVersion');
262:
263: # ================================================================== Roles Init
264: if ($env{'form.selectrole'}) {
265:
266: my $locknum=&Apache::lonnet::get_locks();
267: if ($locknum) { return 409; }
268:
269: my $custom_adhoc;
270: if ($env{'form.newrole'}) {
271: $env{'form.'.$env{'form.newrole'}}=1;
272: # Check if this is a Domain Helpdesk or Domain Helpdesk Assistant role trying to enter a course
273: if ($env{'form.newrole'} =~ m{^cr/($match_domain)/\1\-domainconfig/\w+\./\1/$match_courseid$}) {
274: if ($helpdeskroles{$1}) {
275: $custom_adhoc = 1;
276: }
277: }
278: }
279: if ($env{'request.course.id'}) {
280: # Check if user is CC trying to select a course role
281: if ($env{'form.switchrole'}) {
282: my $switch_is_active;
283: if (defined($env{'user.role.'.$env{'form.switchrole'}})) {
284: my ($start,$end) = split(/\./,$env{'user.role.'.$env{'form.switchrole'}});
285: if (!$end || $end > $now) {
286: if (!$start || $start < $update) {
287: $switch_is_active = 1;
288: }
289: }
290: }
291: unless ($switch_is_active) {
292: &adhoc_course_role($refresh,$update,$then);
293: }
294: }
295: my %temp=('logout_'.$env{'request.course.id'} => time);
296: &Apache::lonnet::put('email_status',\%temp);
297: &Apache::lonnet::delenv('user.state.'.$env{'request.course.id'});
298: }
299: &Apache::lonnet::appenv({"request.course.id" => '',
300: "request.course.fn" => '',
301: "request.course.uri" => '',
302: "request.course.sec" => '',
303: "request.course.tied" => '',
304: "request.course.timechecked" => '',
305: "request.role" => 'cm',
306: "request.role.adv" => $env{'user.adv'},
307: "request.role.domain" => $env{'user.domain'}});
308: # Check if Domain Helpdesk role trying to enter a course needs privs to be created
309: if ($env{'form.newrole'} =~ m{^cr/($match_domain)/\1\-domainconfig/(\w+)\./\1/($match_courseid)(?:/(\w+)|$)}) {
310: my $cdom = $1;
311: my $rolename = $2;
312: my $cnum = $3;
313: my $sec = $4;
314: if ($custom_adhoc) {
315: my ($possroles,$description) = &Apache::lonnet::get_my_adhocroles($cdom.'_'.$cnum,1);
316: if (ref($possroles) eq 'ARRAY') {
317: if (grep(/^\Q$rolename\E$/,@{$possroles})) {
318: if (&Apache::lonnet::check_adhoc_privs($cdom,$cnum,$update,$refresh,$now,
319: "cr/$cdom/$cdom".'-domainconfig/'.$rolename,undef,$sec)) {
320: &Apache::lonnet::appenv({"environment.internal.$cdom.$cnum.cr/$cdom/$cdom".'-domainconfig/'."$rolename.adhoc" => time});
321: }
322: }
323: }
324: }
325: } elsif (($numdc > 0) || ($numhelpdesk > 0)) {
326: # Check if user is a DC trying to enter a course or author space and needs privs to be created
327: # Check if user is a DH or DA trying to enter a course and needs privs to be created
328: foreach my $envkey (keys(%env)) {
329: # Is this an ad-hoc Coordinator role?
330: if ($numdc) {
331: if (my ($ccrole,$domain,$coursenum) =
332: ($envkey =~ m-^form\.(cc|co)\./($match_domain)/($match_courseid)$-)) {
333: if ($dcroles{$domain}) {
334: if (&Apache::lonnet::check_adhoc_privs($domain,$coursenum,
335: $update,$refresh,$now,$ccrole)) {
336: &Apache::lonnet::appenv({"environment.internal.$domain.$coursenum.$ccrole.adhoc" => time});
337: }
338: }
339: last;
340: }
341: # Is this an ad-hoc CA-role?
342: if (my ($domain,$user) =
343: ($envkey =~ m-^form\.ca\./($match_domain)/($match_username)$-)) {
344: if (($domain eq $env{'user.domain'}) && ($user eq $env{'user.name'})) {
345: delete($env{$envkey});
346: $env{'form.au./'.$domain.'/'} = 1;
347: my ($server_status,$home) = &check_author_homeserver($user,$domain);
348: if ($server_status eq 'switchserver') {
349: my $trolecode = 'au./'.$domain.'/';
350: my $switchserver = '/adm/switchserver?otherserver='.$home.'&role='.$trolecode;
351: $r->internal_redirect($switchserver);
352: return OK;
353: }
354: last;
355: }
356: if (my ($castart,$caend) = ($env{'user.role.ca./'.$domain.'/'.$user} =~ /^(\d*)\.(\d*)$/)) {
357: if (((($castart) && ($castart < $now)) || !$castart) &&
358: ((!$caend) || (($caend) && ($caend > $now)))) {
359: my ($server_status,$home) = &check_author_homeserver($user,$domain);
360: if ($server_status eq 'switchserver') {
361: my $trolecode = 'ca./'.$domain.'/'.$user;
362: my $switchserver = '/adm/switchserver?otherserver='.$home.'&role='.$trolecode;
363: $r->internal_redirect($switchserver);
364: return OK;
365: }
366: last;
367: }
368: }
369: # Check if author blocked ca-access
370: my %blocked=&Apache::lonnet::get('environment',['domcoord.author'],$domain,$user);
371: if ($blocked{'domcoord.author'} eq 'blocked') {
372: delete($env{$envkey});
373: $env{'user.error.msg'}=':::1:User '.$user.' in domain '.$domain.' blocked domain coordinator access';
374: last;
375: }
376: if ($dcroles{$domain}) {
377: my ($server_status,$home) = &check_author_homeserver($user,$domain);
378: if (($server_status eq 'ok') || ($server_status eq 'switchserver')) {
379: &Apache::lonnet::check_adhoc_privs($domain,$user,$update,
380: $refresh,$now,'ca');
381: if ($server_status eq 'switchserver') {
382: my $trolecode = 'ca./'.$domain.'/'.$user;
383: my $switchserver = '/adm/switchserver?'
384: .'otherserver='.$home.'&role='.$trolecode;
385: $r->internal_redirect($switchserver);
386: return OK;
387: }
388: } else {
389: delete($env{$envkey});
390: }
391: } else {
392: delete($env{$envkey});
393: }
394: last;
395: }
396: }
397: if ($numhelpdesk) {
398: # Is this an ad hoc custom role in a course/community?
399: if (my ($domain,$rolename,$coursenum,$sec) = ($envkey =~ m{^form\.cr/($match_domain)/\1\-domainconfig/(\w+)\./\1/($match_courseid)(?:/(\w+)|$)})) {
400: if ($helpdeskroles{$domain}) {
401: my ($possroles,$description) = &Apache::lonnet::get_my_adhocroles($domain.'_'.$coursenum,1);
402: if (ref($possroles) eq 'ARRAY') {
403: if (grep(/^\Q$rolename\E$/,@{$possroles})) {
404: if (&Apache::lonnet::check_adhoc_privs($domain,$coursenum,$update,$refresh,$now,
405: "cr/$domain/$domain".'-domainconfig/'.$rolename,
406: undef,$sec)) {
407: &Apache::lonnet::appenv({"environment.internal.$domain.$coursenum.cr/$domain/$domain".
408: '-domainconfig/'."$rolename.adhoc" => time});
409: }
410: } else {
411: delete($env{$envkey});
412: }
413: } else {
414: delete($env{$envkey});
415: }
416: } else {
417: delete($env{$envkey});
418: }
419: last;
420: }
421: }
422: }
423: }
424: foreach $envkey (keys(%env)) {
425: next if ($envkey!~/^user\.role\./);
426: my ($where,$trolecode,$role,$tstatus,$tend,$tstart);
427: &Apache::lonnet::role_status($envkey,$update,$refresh,$now,\$role,\$where,
428: \$trolecode,\$tstatus,\$tstart,\$tend);
429: if ($env{'form.'.$trolecode}) {
430: if ($tstatus eq 'is') {
431: $where=~s/^\///;
432: my ($cdom,$cnum,$csec)=split(/\//,$where);
433: if (($cnum) && ($role ne 'ca') && ($role ne 'aa')) {
434: my $home = $env{'course.'.$cdom.'_'.$cnum.'.home'};
435: my @ids = &Apache::lonnet::current_machine_ids();
436: unless ($loncaparev eq '' && $home && grep(/^\Q$home\E$/,@ids)) {
437: my %curr_reqd_hash = &Apache::lonnet::userenvironment($cdom,$cnum,'internal.releaserequired');
438: if ($curr_reqd_hash{'internal.releaserequired'} ne '') {
439: my ($switchserver,$switchwarning) =
440: &Apache::loncommon::check_release_required($loncaparev,$cdom.'_'.$cnum,$trolecode,
441: $curr_reqd_hash{'internal.releaserequired'});
442: if ($switchwarning ne '' || $switchserver ne '') {
443: &Apache::loncommon::content_type($r,'text/html');
444: &Apache::loncommon::no_cache($r);
445: $r->send_http_header;
446: $r->print(&Apache::loncommon::check_release_result($switchwarning,$switchserver));
447: return OK;
448: }
449: }
450: }
451: }
452: # check for course groups
453: my %coursegroups = &Apache::lonnet::get_active_groups(
454: $env{'user.domain'},$env{'user.name'},$cdom, $cnum);
455: my $cgrps = join(':',keys(%coursegroups));
456:
457: # store role if recent_role list being kept
458: if ($env{'environment.recentroles'}) {
459: my %frozen_roles =
460: &Apache::lonhtmlcommon::get_recent_frozen('roles',$env{'environment.recentrolesn'});
461: &Apache::lonhtmlcommon::store_recent('roles',
462: $trolecode,' ',$frozen_roles{$trolecode});
463: }
464:
465:
466: # check for keyed access
467: if (($role eq 'st') &&
468: ($env{'course.'.$cdom.'_'.$cnum.'.keyaccess'} eq 'yes')) {
469: # who is key authority?
470: my $authdom=$cdom;
471: my $authnum=$cnum;
472: if ($env{'course.'.$cdom.'_'.$cnum.'.keyauth'}) {
473: ($authnum,$authdom)=
474: split(/:/,$env{'course.'.$cdom.'_'.$cnum.'.keyauth'});
475: }
476: # check with key authority
477: unless (&Apache::lonnet::validate_access_key(
478: $env{'environment.key.'.$cdom.'_'.$cnum},
479: $authdom,$authnum)) {
480: # there is no valid key
481: if ($env{'form.newkey'}) {
482: # student attempts to register a new key
483: &Apache::loncommon::content_type($r,'text/html');
484: &Apache::loncommon::no_cache($r);
485: $r->send_http_header;
486: my $swinfo=&Apache::lonmenu::rawconfig();
487: my $start_page=&Apache::loncommon::start_page
488: ('Verifying Access Key to Unlock this Course');
489: my $end_page=&Apache::loncommon::end_page();
490: my $buttontext=&mt('Enter Course');
491: my $message=&mt('Successfully registered key');
492: my $assignresult=
493: &Apache::lonnet::assign_access_key(
494: $env{'form.newkey'},
495: $authdom,$authnum,
496: $cdom,$cnum,
497: $env{'user.domain'},
498: $env{'user.name'},
499: &mt('Assigned from [_1] at [_2] for [_3]'
500: ,$ENV{'REMOTE_ADDR'}
501: ,&Apache::lonlocal::locallocaltime()
502: ,$trolecode)
503: );
504: unless ($assignresult eq 'ok') {
505: $assignresult=~s/^error\:\s*//;
506: $message=&mt($assignresult).
507: '<br /><a href="/adm/logout">'.
508: &mt('Logout').'</a>';
509: $buttontext=&mt('Re-Enter Key');
510: }
511: $r->print(<<ENDENTEREDKEY);
512: $start_page
513: <script type="text/javascript">
514: // <![CDATA[
515: $swinfo
516: // ]]>
517: </script>
518: <form action="" method="post">
519: <input type="hidden" name="selectrole" value="1" />
520: <input type="hidden" name="$trolecode" value="1" />
521: <span class="LC_fontsize_large">$message</span><br />
522: <input type="submit" value="$buttontext" />
523: </form>
524: $end_page
525: ENDENTEREDKEY
526: return OK;
527: } else {
528: # print form to enter a new key
529: &Apache::loncommon::content_type($r,'text/html');
530: &Apache::loncommon::no_cache($r);
531: $r->send_http_header;
532: my $swinfo=&Apache::lonmenu::rawconfig();
533: my $start_page=&Apache::loncommon::start_page
534: ('Enter Access Key to Unlock this Course');
535: my $end_page=&Apache::loncommon::end_page();
536: $r->print(<<ENDENTERKEY);
537: $start_page
538: <script type="text/javascript">
539: // <![CDATA[
540: $swinfo
541: // ]]>
542: </script>
543: <form action="" method="post">
544: <input type="hidden" name="selectrole" value="1" />
545: <input type="hidden" name="$trolecode" value="1" />
546: <input type="text" size="20" name="newkey" value="$env{'form.newkey'}" />
547: <input type="submit" value="Enter key" />
548: </form>
549: $end_page
550: ENDENTERKEY
551: return OK;
552: }
553: }
554: }
555: &Apache::lonnet::log($env{'user.domain'},
556: $env{'user.name'},
557: $env{'user.home'},
558: "Role ".$trolecode);
559:
560: &Apache::lonnet::appenv(
561: {'request.role' => $trolecode,
562: 'request.role.domain' => $cdom,
563: 'request.course.sec' => $csec,
564: 'request.course.groups' => $cgrps});
565: my $tadv=0;
566:
567: if (($cnum) && ($role ne 'ca') && ($role ne 'aa')) {
568: if ($role =~ m{^\Qcr/$cdom/$cdom\E\-domainconfig/(\w+)$}) {
569: my $rolename = $1;
570: my %domdef = &Apache::lonnet::get_domain_defaults($cdom);
571: if (ref($domdef{'adhocroles'}) eq 'HASH') {
572: if (ref($domdef{'adhocroles'}{$rolename}) eq 'HASH') {
573: &Apache::lonnet::appenv({'request.role.desc' => $domdef{'adhocroles'}{$rolename}{'desc'}});
574: }
575: }
576: }
577: my $msg;
578: my ($furl,$ferr)=
579: &Apache::lonuserstate::readmap($cdom.'/'.$cnum);
580: unless ($ferr) {
581: &Apache::lonnet::appenv({'request.course.timechecked'=>$now});
582: unless (($env{'form.switchrole'}) ||
583: ($env{"environment.internal.$cdom.$cnum.$role.adhoc"})) {
584: &Apache::lonnet::put('nohist_crslastlogin',
585: {$env{'user.name'}.':'.$env{'user.domain'}.
586: ':'.$csec.':'.$role => $now},$cdom,$cnum);
587: }
588: if (($env{"environment.internal.$cdom.$cnum.$role.adhoc"}) &&
589: (&Apache::lonnet::allowed('vxc',$cdom.'_'.$cnum))) {
590: my $owner = $env{'course.'.$cdom.'_'.$cnum.'.internal.courseowner'};
591: my @coowners = split(/,/,$env{'course.'.$env{'request.course.id'}.'.internal.co-owners'});
592: my %auaccess;
593: foreach my $user ($owner,@coowners) {
594: my ($cpname,$cpdom) = split(/:/,$user);
595: my %auroles = &Apache::lonnet::get_my_roles($cpname,$cpdom,'userroles',undef,['au','ca','aa'],[$cdom]);
596: foreach my $key (keys(%auroles)) {
597: my ($auname,$audom,$aurole) = split(/:/,$key);
598: if ($aurole eq 'au') {
599: $auaccess{$cpname} = 1;
600: } else {
601: $auaccess{$auname} = 1;
602: }
603: }
604: }
605: &Apache::lonnet::appenv({'request.course.adhocsrcaccess' => join(',',sort(keys(%auaccess))) });
606: }
607: my ($feeds,$syllabus_time);
608: &Apache::lonrss::advertisefeeds($cnum,$cdom,undef,\$feeds);
609: &Apache::lonnet::appenv({'request.course.feeds' => $feeds});
610: &Apache::lonnet::get_numsuppfiles($cnum,$cdom,1);
611: unless ($env{'course.'.$cdom.'_'.$cnum.'.updatedsyllabus'}) {
612: unless (($env{'course.'.$cdom.'_'.$cnum.'.externalsyllabus'}) ||
613: ($env{'course.'.$cdom.'_'.$cnum.'.uploadedsyllabus'})) {
614: my %syllabus=&Apache::lonnet::dump('syllabus',$cdom,$cnum);
615: $syllabus_time = $syllabus{'uploaded.lastmodified'};
616: if ($syllabus_time) {
617: &Apache::lonnet::appenv({'request.course.syllabustime' => $syllabus_time});
618: }
619: }
620: }
621: }
622: if (($env{'form.orgurl'}) &&
623: ($env{'form.orgurl'}!~/^\/adm\/flip/) &&
624: ($env{'form.orgurl'} ne '/adm/roles')) {
625: my $dest=$env{'form.orgurl'};
626: if ($env{'form.symb'}) {
627: if ($dest =~ /\?/) {
628: $dest .= '&';
629: } else {
630: $dest .= '?';
631: }
632: $dest .= 'symb='.$env{'form.symb'};
633: }
634: if (&Apache::lonnet::allowed('adv') eq 'F') { $tadv=1; }
635: &Apache::lonnet::appenv({'request.role.adv'=>$tadv});
636: if (($ferr) && ($tadv)) {
637: &error_page($r,$ferr,$dest);
638: } else {
639: if ($dest =~ m{^/adm/coursedocs\?folderpath}) {
640: if ($env{'request.course.id'} eq $cdom.'_'.$cnum) {
641: my $chome = &Apache::lonnet::homeserver($cnum,$cdom);
642: &Apache::loncommon::update_content_constraints($cdom,$cnum,$chome,
643: $cdom.'_'.$cnum);
644: }
645: }
646: $r->internal_redirect($dest);
647: }
648: return OK;
649: } else {
650: if (!$env{'request.course.id'}) {
651: &Apache::lonnet::appenv(
652: {"request.course.id" => $cdom.'_'.$cnum});
653: $furl='/adm/roles?tryagain=1';
654: $msg='<p><span class="LC_error">'
655: .&mt('Could not initialize [_1] at this time.',
656: $env{'course.'.$cdom.'_'.$cnum.'.description'})
657: .'</span></p>'
658: .'<p>'.&mt('Please try again.').'</p>'
659: .'<p>'.$ferr.'</p>';
660: }
661: if (&Apache::lonnet::allowed('adv') eq 'F') { $tadv=1; }
662: &Apache::lonnet::appenv({'request.role.adv'=>$tadv});
663:
664: if (($ferr) && ($tadv)) {
665: &error_page($r,$ferr,$furl);
666: } else {
667: # Check to see if the user is a CC entering a course
668: # for the first time
669: if ((($role eq 'cc') || ($role eq 'co'))
670: && ($env{'course.'.$cdom.'_'.$cnum.'.course.helper.not.run'})) {
671: $furl = "/adm/helper/course.initialization.helper";
672: # Send the user to the course they selected
673: } elsif ($env{'request.course.id'}) {
674: if ((&Apache::loncommon::course_type() eq 'Placement') &&
675: (!$env{'request.role.adv'})) {
676: my ($score,$incomplete) =
677: &Apache::lonplacementtest::check_completion(undef,undef,1);
678: if (($incomplete) && ($incomplete < 100)) {
679: &redirect_user($r, &mt('Entering [_1]',
680: $env{'course.'.$cdom.'_'.$cnum.'.description'}),
681: '/adm/placement', $msg);
682: return OK;
683: }
684: }
685: my ($dest,$destsymb,$checkenc);
686: $dest = $env{'form.destinationurl'};
687: $destsymb = $env{'form.destsymb'};
688: if ($dest ne '') {
689: if ($env{'form.switchrole'}) {
690: if ($destsymb ne '') {
691: if ($destsymb !~ m{^/enc/}) {
692: unless ($env{'request.role.adv'}) {
693: $checkenc = 1;
694: }
695: }
696: }
697: if (($dest =~ m{^\Q/public/$cdom/$cnum/syllabus\E.*(\?|\&)usehttp=1}) ||
698: ($dest =~ m{^\Q/adm/wrapper/ext/\E(?!https:)})) {
699: if ($ENV{'SERVER_PORT'} == 443) {
700: my $hostname = $r->hostname();
701: if ($hostname ne '') {
702: $dest = 'http://'.$hostname.$dest;
703: }
704: }
705: }
706: if ($dest =~ m{^/enc/}) {
707: if ($env{'request.role.adv'}) {
708: $dest = &Apache::lonenc::unencrypted($dest);
709: if ($destsymb eq '') {
710: ($destsymb) = ($dest =~ /(?:\?|\&)symb=([^\&]*)/);
711: $destsymb = &unescape($destsymb);
712: }
713: }
714: } else {
715: if ($destsymb eq '') {
716: ($destsymb) = ($dest =~ /(?:\?|\&)symb=([^\&]+)/);
717: $destsymb = &unescape($destsymb);
718: }
719: unless ($env{'request.role.adv'}) {
720: $checkenc = 1;
721: }
722: }
723: if (($checkenc) && ($destsymb ne '')) {
724: my ($encstate,$unencsymb,$res);
725: $unencsymb = &Apache::lonnet::symbclean($destsymb);
726: (undef,undef,$res) = &Apache::lonnet::decode_symb($unencsymb);
727: &Apache::lonnet::symbverify($unencsymb,$res,\$encstate);
728: if ($encstate) {
729: if (($dest ne '') && ($dest !~ m{^/enc/})) {
730: $dest=&Apache::lonenc::encrypted($dest);
731: }
732: }
733: }
734: }
735: unless (($dest =~ m{^/enc/}) || ($dest =~ /(\?|\&)symb=.+___\d+___.+/)) {
736: if (($destsymb ne '') && ($destsymb !~ m{^/enc/})) {
737: my $esc_symb = &escape($destsymb);
738: $dest .= (($dest =~/\?/)? '&':'?').'symb='.$esc_symb;
739: }
740: }
741: &redirect_user($r, &mt('Entering [_1]',
742: $env{'course.'.$cdom.'_'.$cnum.'.description'}),
743: $dest, $msg);
744: return OK;
745: }
746: if (&Apache::lonnet::allowed('whn',
747: $env{'request.course.id'})
748: || &Apache::lonnet::allowed('whn',
749: $env{'request.course.id'}.'/'
750: .$env{'request.course.sec'})
751: ) {
752: my $startpage = &courseloadpage($env{'request.course.id'});
753: unless ($startpage eq 'firstres') {
754: $msg = &mt('Entering [_1] ...',
755: $env{'course.'.$env{'request.course.id'}.'.description'});
756: &redirect_user($r, &mt('New in course'),
757: '/adm/whatsnew?refpage=start', $msg);
758: return OK;
759: }
760: }
761: }
762: # Are we allowed to look at the first resource?
763: my $access;
764: if ($furl =~ m{^(/adm/wrapper|)/ext/}) {
765: # If it's an external resource,
766: # strip off the symb argument and possible query
767: my ($exturl,$symb) = ($furl =~ m{^(.+)(?:\?|\&)symb=(.+)$});
768: # Unencode $symb
769: $symb = &unescape($symb);
770: # Then check for permission
771: $access = &Apache::lonnet::allowed('bre',$exturl,$symb);
772: # For other resources just check for permission
773: } else {
774: $access = &Apache::lonnet::allowed('bre',$furl);
775: }
776: if (!$access) {
777: $furl = &Apache::lonpageflip::first_accessible_resource();
778: } elsif ($access eq 'B') {
779: $furl = '/adm/navmaps?showOnlyHomework=1';
780: }
781: $msg = &mt('Entering [_1] ...',
782: $env{'course.'.$cdom.'_'.$cnum.'.description'});
783: &redirect_user($r, &mt('Entering [_1]',
784: $env{'course.'.$cdom.'_'.$cnum.'.description'}),
785: $furl, $msg);
786: }
787: return OK;
788: }
789: }
790: #
791: # Send the user to the construction space they selected
792: if ($role =~ /^(au|ca|aa)$/) {
793: my $redirect_url = '/priv/';
794: if ($role eq 'au') {
795: $redirect_url.=$env{'user.domain'}.'/'.$env{'user.name'};
796: } else {
797: $redirect_url .= $where;
798: }
799: $redirect_url .= '/';
800: &redirect_user($r,&mt('Entering Authoring Space'),
801: $redirect_url);
802: return OK;
803: }
804: if ($role eq 'dc') {
805: my $redirect_url = '/adm/menu/';
806: &redirect_user($r,&mt('Loading Domain Coordinator Menu'),
807: $redirect_url);
808: return OK;
809: }
810: if ($role eq 'dh') {
811: my $redirect_url = '/adm/menu/';
812: &redirect_user($r,&mt('Loading Domain Helpdesk Menu'),
813: $redirect_url);
814: return OK;
815: }
816: if ($role eq 'da') {
817: my $redirect_url = '/adm/menu/';
818: &redirect_user($r,&mt('Loading Domain Helpdesk Assistant Menu'),
819: $redirect_url);
820: return OK;
821: }
822: if ($role eq 'sc') {
823: my $redirect_url = '/adm/grades?command=scantronupload';
824: &redirect_user($r,&mt('Loading Data Upload Page'),
825: $redirect_url);
826: return OK;
827: }
828: }
829: }
830: }
831: }
832:
833:
834: # =============================================================== No Roles Init
835:
836: &Apache::loncommon::content_type($r,'text/html');
837: &Apache::loncommon::no_cache($r);
838: $r->send_http_header;
839: return OK if $r->header_only;
840:
841: my $crumbtext = 'User Roles';
842: my $pagetitle = 'My Roles';
843: my $recent = &mt('Recent Roles');
844: my $standby = &mt('Role selected. Please stand by.');
845: my $show_course=&Apache::loncommon::show_course();
846: if ($show_course) {
847: $crumbtext = 'Courses';
848: $pagetitle = 'My Courses';
849: $recent = &mt('Recent Courses');
850: $standby = &mt('Course selected. Please stand by.');
851: }
852: my $brcrum =[{href=>"/adm/roles",text=>$crumbtext}];
853:
854: my %roles_in_env;
855: my $showcount = &roles_from_env(\%roles_in_env,$update);
856:
857: my $swinfo=&Apache::lonmenu::rawconfig();
858: my %domdefs=&Apache::lonnet::get_domain_defaults($env{'user.domain'});
859: my $cattype = 'std';
860: if ($domdefs{'catauth'}) {
861: $cattype = $domdefs{'catauth'};
862: }
863: my $placementonly;
864: if ($showcount == 1) {
865: if ($env{'request.course.id'}) {
866: if ($env{'course.'.$env{'request.course.id'}.'.type'} eq 'Placement') {
867: $placementonly = 1;
868: }
869: } else {
870: foreach my $rolecode (keys(%roles_in_env)) {
871: my ($cid) = ($rolecode =~ m{^\Quser.role.st./\E($match_domain/$match_courseid)(?:/|$)});
872: if ($cid) {
873: my %coursedescription =
874: &Apache::lonnet::coursedescription($cid,{'one_time' => '1'});
875: if ($coursedescription{'type'} eq 'Placement') {
876: $placementonly = 1;
877: }
878: last;
879: }
880: }
881: }
882: }
883: my ($start_page,$funcs);
884: if ($placementonly) {
885: $start_page=&Apache::loncommon::start_page($pagetitle,undef,
886: {bread_crumbs=>$brcrum,crstype=>'Placement'});
887: } else {
888: $funcs = &get_roles_functions($showcount,$cattype);
889: my $crumbsright;
890: if ($env{'browser.mobile'}) {
891: $crumbsright = $funcs;
892: undef($funcs);
893: }
894: $start_page=&Apache::loncommon::start_page($pagetitle,undef,{bread_crumbs=>$brcrum,
895: bread_crumbs_component=>$crumbsright});
896: }
897: &js_escape(\$standby);
898: my $noscript='<br /><span class="LC_error">'.&mt('Use of LON-CAPA requires Javascript to be enabled in your web browser.').'<br />'.&mt('As this is not the case, most functionality in the system will be unavailable.').'</span><br />';
899:
900: $r->print(<<ENDHEADER);
901: $start_page
902: $funcs
903: <noscript>
904: $noscript
905: </noscript>
906: <script type="text/javascript">
907: // <![CDATA[
908: $swinfo
909: window.focus();
910:
911: active=true;
912:
913: function enterrole (thisform,rolecode,buttonname) {
914: if (active) {
915: active=false;
916: document.title='$standby';
917: window.status='$standby';
918: thisform.newrole.value=rolecode;
919: thisform.submit();
920: } else {
921: alert('$standby');
922: }
923: }
924:
925: function rolesView (caller) {
926: if ((caller == 'showall') || (caller == 'noshowall')) {
927: document.rolechoice.display.value = caller;
928: } else {
929: if ((caller == 'doupdate') || (caller == 'requestauthor') ||
930: (caller == 'queued')) {
931: document.rolechoice.state.value = caller;
932: }
933: }
934: document.rolechoice.selectrole.value='';
935: document.rolechoice.submit();
936: }
937:
938: // ]]>
939: </script>
940: ENDHEADER
941:
942: # ------------------------------------------ Get Error Message from Environment
943:
944: my ($fn,$priv,$nochoose,$error,$msg)=split(/:/,$env{'user.error.msg'});
945: if ($env{'user.error.msg'}) {
946: $r->log_reason(
947: "$msg for $env{'user.name'} domain $env{'user.domain'} access $priv",$fn);
948: }
949:
950: # ------------------------------------------------- Can this user re-init, etc?
951:
952: my $advanced=$env{'user.adv'};
953: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['tryagain']);
954: my $tryagain=$env{'form.tryagain'};
955: my $reinit=$env{'user.reinit'};
956: delete $env{'user.reinit'};
957:
958: # -------------------------------------------------------- Generate Page Output
959: # --------------------------------------------------------------- Error Header?
960: if ($error) {
961: $r->print("<h1>".&mt('LON-CAPA Access Control')."</h1>");
962: $r->print("<!-- LONCAPAACCESSCONTROLERRORSCREEN --><hr /><pre>");
963: if ($priv ne '') {
964: $r->print(&mt('Access : ').&Apache::lonnet::plaintext($priv)."\n");
965: }
966: if ($fn ne '') {
967: $r->print(&mt('Resource: ').&Apache::lonenc::check_encrypt($fn)."\n");
968: }
969: if ($msg ne '') {
970: $r->print(&mt('Action : ').$msg."\n");
971: }
972: $r->print("</pre><hr />");
973: my $url=$fn;
974: my $last;
975: if (tie(my %hash,'GDBM_File',$env{'request.course.fn'}.'_symb.db',
976: &GDBM_READER(),0640)) {
977: $last=$hash{'last_known'};
978: untie(%hash);
979: }
980: if ($last) { $fn.='?symb='.&escape($last); }
981:
982: &Apache::londocs::changewarning($r,undef,'You have modified your course recently, [_1] may fix this access problem.',
983: &Apache::lonenc::check_encrypt($fn));
984: } else {
985: if ($env{'user.error.msg'}) {
986: if ($reinit) {
987: $r->print(
988: '<h3><span class="LC_error">'.
989: &mt('As your session file for the course or community has expired, you will need to re-select it.').'</span></h3>');
990: } else {
991: $r->print(
992: '<h3><span class="LC_error">'.
993: &mt('You need to choose another user role or enter a specific course or community for this function.').
994: '</span></h3>');
995: }
996: }
997: }
998: if ($nochoose) {
999: $r->print("<h2>".&mt('Sorry ...')."</h2>\n<span class='LC_error'>".
1000: &mt('This action is currently not authorized.').'</span>'.
1001: &Apache::loncommon::end_page());
1002: return OK;
1003: } else {
1004: if ($updateresult || $reqauthor || $hotlist) {
1005: my $showresult = '<div>';
1006: if ($updateresult) {
1007: $showresult .= &Apache::lonhtmlcommon::confirm_success($updateresult);
1008: }
1009: if ($reqauthor) {
1010: $showresult .= &Apache::lonhtmlcommon::confirm_success($reqauthor);
1011: }
1012: if ($hotlist) {
1013: $showresult .= $hotlist;
1014: }
1015: $showresult .= '</div>';
1016: $r->print($showresult);
1017: } elsif ($env{'form.state'} eq 'queued') {
1018: $r->print(&get_queued());
1019: }
1020: if (($ENV{'REDIRECT_QUERY_STRING'}) && ($fn)) {
1021: $fn.='?'.$ENV{'REDIRECT_QUERY_STRING'};
1022: }
1023: my $display = ($env{'form.display'} =~ /^(showall)$/);
1024: $r->print('<form method="post" name="rolechoice" action="'.(($fn)?$fn:$r->uri).'">');
1025: $r->print('<input type="hidden" name="orgurl" value="'.$fn.'" />');
1026: $r->print('<input type="hidden" name="selectrole" value="1" />');
1027: $r->print('<input type="hidden" name="newrole" value="" />');
1028: $r->print('<input type="hidden" name="display" value="'.$display.'" />');
1029: $r->print('<input type="hidden" name="state" value="" />');
1030: }
1031: $r->rflush();
1032:
1033: my (%roletext,%sortrole,%roleclass,%futureroles,%timezones);
1034: my ($countactive,$countfuture,$inrole,$possiblerole) =
1035: &gather_roles($update,$refresh,$now,$reinit,$nochoose,\%roles_in_env,\%roletext,
1036: \%sortrole,\%roleclass,\%futureroles,\%timezones,$loncaparev);
1037: $refresh = $now;
1038: &Apache::lonnet::appenv({'user.refresh.time' => $refresh});
1039: if ($countactive == 1) {
1040: if ($env{'request.course.id'}) {
1041: if ($env{'course.'.$env{'request.course.id'}.'.type'} eq 'Placement') {
1042: $placementonly = 1;
1043: }
1044: } elsif ($possiblerole) {
1045: if ($possiblerole =~ m{^st\./($match_domain)/($match_courseid)(?:/|$)}) {
1046: if ($env{'course.'.$1.'_'.$2.'.type'} eq 'Placement') {
1047: $placementonly = 1;
1048: }
1049: }
1050: }
1051: }
1052: if ((($cattype eq 'std') || ($cattype eq 'domonly')) && (!$env{'user.adv'}) &&
1053: (!$placementonly)) {
1054: if ($countactive > 0) {
1055: my $domdesc = &Apache::lonnet::domain($env{'user.domain'},'description');
1056: my $esc_dom = &HTML::Entities::encode($env{'user.domain'},'"<>&');
1057: $r->print(
1058: '<p>'
1059: .&mt('[_1]Visit the [_2]Course/Community Catalog[_3][_4]'
1060: .' to view all [_5] LON-CAPA courses and communities.'
1061: ,'<b>'
1062: ,'<a href="/adm/coursecatalog?showdom='.$esc_dom.'">'
1063: ,'</a>'
1064: ,'</b>'
1065: ,'"'.$domdesc.'"')
1066: .'<br />'
1067: .&mt('If a course or community is [_1]not[_2] in your list of current courses and communities below,'
1068: .' you may be able to enroll if self-enrollment is permitted.'
1069: ,'<b>','</b>')
1070: .'</p>'
1071: );
1072: }
1073: }
1074:
1075: # No active roles
1076: if ($countactive==0) {
1077: &requestcourse_advice($r,$cattype,$inrole);
1078: $r->print('</form>');
1079: if ($countfuture) {
1080: $r->print(&mt('The following [quant,_1,role,roles] will become active in the future:',$countfuture));
1081: my $doheaders = &roletable_headers($r,\%roleclass,\%sortrole,
1082: $nochoose);
1083: &print_rolerows($r,$doheaders,\%roleclass,\%sortrole,\%dcroles,
1084: \%roletext,$update,$then);
1085: my $tremark='';
1086: my $tbg;
1087: if ($env{'request.role'} eq 'cm') {
1088: $tbg="LC_roles_selected";
1089: $tremark=&mt('Currently selected.').' ';
1090: } else {
1091: $tbg="LC_roles_is";
1092: }
1093: $r->print(&Apache::loncommon::start_data_table_row()
1094: .'<td class="'.$tbg.'"> </td>'
1095: .'<td colspan="3">'
1096: .&mt('No role specified')
1097: .'</td>'
1098: .'<td>'.$tremark.' </td>'
1099: .&Apache::loncommon::end_data_table_row()
1100: );
1101:
1102: $r->print(&Apache::loncommon::end_data_table());
1103: }
1104: $r->print(&Apache::loncommon::end_page());
1105: return OK;
1106: } elsif (($placementonly) && ($env{'request.role'} eq 'cm')) {
1107: $r->print('<h3>'.&mt('Please stand by.').'</h3>
1108: <input type="hidden" name="'.$possiblerole.'" value="1" />
1109: <noscript><br />
1110: <input type="submit" name="submit" value="'.&mt('Continue').'" />
1111: </noscript></form>');
1112: $r->rflush();
1113: $r->print('<script type="text/javascript">document.forms.rolechoice.submit();</script>');
1114: $r->print(&Apache::loncommon::end_page());
1115: return OK;
1116: }
1117: # ----------------------------------------------------------------------- Table
1118:
1119: if (($numdc > 0) || (($numhelpdesk > 0) && ($numadhoc > 0))) {
1120: $r->print(&coursepick_jscript().
1121: &Apache::loncommon::coursebrowser_javascript());
1122: }
1123: if ($numdc > 0) {
1124: $r->print(&Apache::loncommon::authorbrowser_javascript());
1125: }
1126:
1127: unless ((!&Apache::loncommon::show_course()) || ($nochoose) || ($countactive==1)) {
1128: $r->print("<h2>".&mt('Select a Course to Enter')."</h2>\n");
1129: }
1130: if ($env{'form.destinationurl'}) {
1131: $r->print('<input type="hidden" name="destinationurl" value="'.
1132: $env{'form.destinationurl'}.'" />');
1133: if ($env{'form.destsymb'} ne '') {
1134: $r->print('<input type="hidden" name="destsymb" value="'.
1135: $env{'form.destsymb'}.'" />');
1136: }
1137: }
1138:
1139: my $doheaders = &roletable_headers($r,\%roleclass,\%sortrole,$nochoose);
1140: if ($env{'environment.recentroles'}) {
1141: my %recent_roles =
1142: &Apache::lonhtmlcommon::get_recent('roles',$env{'environment.recentrolesn'});
1143: my $output='';
1144: foreach my $role (sort(keys(%recent_roles))) {
1145: if (ref($roletext{'user.role.'.$role}) eq 'ARRAY') {
1146: $output.= &Apache::loncommon::start_data_table_row().
1147: $roletext{'user.role.'.$role}->[0].
1148: &Apache::loncommon::end_data_table_row();
1149: if ($roletext{'user.role.'.$role}->[1] ne '') {
1150: $output .= &Apache::loncommon::continue_data_table_row().
1151: $roletext{'user.role.'.$role}->[1].
1152: &Apache::loncommon::end_data_table_row();
1153: }
1154: if ($role =~ m{^dc\./($match_domain)/$}
1155: && $dcroles{$1}) {
1156: $output .= &adhoc_roles_row($1,'recent');
1157: } elsif ($role =~ m{^(dh|da)\./($match_domain)/$}) {
1158: $output .= &adhoc_customroles_row($1,$2,'recent',$update,$then);
1159: }
1160: } elsif ($numdc > 0) {
1161: unless ($role =~/^error\:/) {
1162: my ($roletext,$role_text_end) = &display_cc_role('user.role.'.$role);
1163: if ($roletext) {
1164: $output.= &Apache::loncommon::start_data_table_row().
1165: $roletext.
1166: &Apache::loncommon::end_data_table_row();
1167: if ($role_text_end) {
1168: $output .= &Apache::loncommon::continue_data_table_row().
1169: $role_text_end.
1170: &Apache::loncommon::end_data_table_row();
1171: }
1172: }
1173: }
1174: }
1175: }
1176: if ($output) {
1177: $r->print(&Apache::loncommon::start_data_table_empty_row()
1178: .'<td align="center" colspan="5">'
1179: .$recent
1180: .'</td>'
1181: .&Apache::loncommon::end_data_table_empty_row()
1182: );
1183: $r->print($output);
1184: $doheaders ++;
1185: }
1186: }
1187: &print_rolerows($r,$doheaders,\%roleclass,\%sortrole,\%dcroles,\%roletext,$update,$then);
1188: if ($countactive > 1) {
1189: my $tremark='';
1190: my $tbg;
1191: if ($env{'request.role'} eq 'cm') {
1192: $tbg="LC_roles_selected";
1193: $tremark=&mt('Currently selected.').' ';
1194: } else {
1195: $tbg="LC_roles_is";
1196: }
1197: $r->print(&Apache::loncommon::start_data_table_row());
1198: unless ($nochoose) {
1199: if ($env{'request.role'} ne 'cm') {
1200: $r->print('<td class="'.$tbg.'"><input type="submit" value="'.
1201: &mt('Select').'" name="cm" /></td>');
1202: } else {
1203: $r->print('<td class="'.$tbg.'"> </td>');
1204: }
1205: }
1206: $r->print('<td colspan="3">'
1207: .&mt('No role specified')
1208: .'</td>'
1209: .'<td>'.$tremark.' </td>'
1210: .&Apache::loncommon::end_data_table_row()
1211: );
1212: }
1213: $r->print(&Apache::loncommon::end_data_table());
1214: unless ($nochoose) {
1215: $r->print("</form>\n");
1216: }
1217: # ------------------------------------------------------------ Privileges Info
1218: if (($advanced) && (($env{'user.error.msg'}) || ($error))) {
1219: $r->print('<hr /><h2>'.&mt('Current Privileges').'</h2>');
1220: $r->print(&privileges_info());
1221: }
1222: my $announcements = &Apache::lonnet::getannounce();
1223: $r->print(
1224: '<br />'.
1225: '<h2>'.&mt('Announcements').'</h2>'.
1226: $announcements
1227: ) unless (!$announcements);
1228: if ($advanced) {
1229: my $esc_dom = &HTML::Entities::encode($env{'user.domain'},'"<>&');
1230: $r->print('<p><small><i>'
1231: .&mt('This LON-CAPA server is version [_1]',$r->dir_config('lonVersion'))
1232: .'</i></small></p>');
1233: }
1234: $r->print(&Apache::loncommon::end_page());
1235: return OK;
1236: }
1237:
1238: sub roles_from_env {
1239: my ($roleshash,$update) = @_;
1240: my $count = 0;
1241: if (ref($roleshash) eq 'HASH') {
1242: foreach my $envkey (keys(%env)) {
1243: if ($envkey =~ m{^user\.role\.(\w+)[./]}) {
1244: next if ($1 eq 'gr');
1245: $roleshash->{$envkey} = $env{$envkey};
1246: my ($start,$end) = split(/\./,$env{$envkey});
1247: unless ($end && $end<$update) {
1248: $count ++;
1249: }
1250: }
1251: }
1252: }
1253: return $count;
1254: }
1255:
1256: sub gather_roles {
1257: my ($update,$refresh,$now,$reinit,$nochoose,$roles_in_env,$roletext,$sortrole,$roleclass,$futureroles,
1258: $timezones,$loncaparev) = @_;
1259: my ($countactive,$countfuture,$inrole,$possiblerole) = (0,0,0,'');
1260: my $advanced = $env{'user.adv'};
1261: my $tryagain = $env{'form.tryagain'};
1262: my @ids = &Apache::lonnet::current_machine_ids();
1263: my (%willtrust,%trustchecked);
1264: if (ref($roles_in_env) eq 'HASH') {
1265: my %adhocdesc;
1266: foreach my $envkey (sort(keys(%{$roles_in_env}))) {
1267: my $button = 1;
1268: my $switchserver='';
1269: my $switchwarning;
1270: my ($role_text,$role_text_end,$sortkey,$role,$where,$trolecode,$tstart,
1271: $tend,$tremark,$tstatus,$tpstart,$tpend);
1272: &Apache::lonnet::role_status($envkey,$update,$refresh,$now,\$role,\$where,
1273: \$trolecode,\$tstatus,\$tstart,\$tend);
1274: next if (!defined($role) || $role eq '' || $role =~ /^gr/);
1275: $tremark='';
1276: $tpstart=' ';
1277: $tpend=' ';
1278: if ($env{'request.role'} eq $trolecode) {
1279: $tstatus='selected';
1280: }
1281: my $tbg;
1282: if (($tstatus eq 'is')
1283: || ($tstatus eq 'selected')
1284: || ($tstatus eq 'future')
1285: || ($env{'form.display'} eq 'showall')) {
1286: my $timezone = &role_timezone($where,$timezones);
1287: if ($tstart) {
1288: $tpstart=&Apache::lonlocal::locallocaltime($tstart,$timezone);
1289: }
1290: if ($tend) {
1291: $tpend=&Apache::lonlocal::locallocaltime($tend,$timezone);
1292: }
1293: if ($tstatus eq 'is') {
1294: $tbg='LC_roles_is';
1295: $possiblerole=$trolecode;
1296: $countactive++;
1297: } elsif ($tstatus eq 'future') {
1298: $tbg='LC_roles_future';
1299: $button=0;
1300: $futureroles->{$trolecode} = $tstart.':'.$tend;
1301: $countfuture ++;
1302: } elsif ($tstatus eq 'expired') {
1303: $tbg='LC_roles_expired';
1304: $button=0;
1305: } elsif ($tstatus eq 'will_not') {
1306: $tbg='LC_roles_will_not';
1307: $tremark.=&mt('Expired after logout.').' ';
1308: } elsif ($tstatus eq 'selected') {
1309: $tbg='LC_roles_selected';
1310: $inrole=1;
1311: $countactive++;
1312: $tremark.=&mt('Currently selected.').' ';
1313: }
1314: my $trole;
1315: if ($role =~ /^cr\//) {
1316: my ($rdummy,$rdomain,$rauthor,$rrole)=split(/\//,$role);
1317: unless ($rauthor eq $rdomain.'-domainconfig') {
1318: if ($tremark) { $tremark.='<br />'; }
1319: $tremark.=&mt('Custom role defined by [_1].',$rauthor.':'.$rdomain);
1320: }
1321: }
1322: $trole=Apache::lonnet::plaintext($role);
1323: my $ttype;
1324: my $twhere;
1325: my $skipcal;
1326: my ($tdom,$trest,$tsection)=
1327: split(/\//,Apache::lonnet::declutter($where));
1328: # First, Co-Authorship roles
1329: if (($role eq 'ca') || ($role eq 'aa')) {
1330: my $home = &Apache::lonnet::homeserver($trest,$tdom);
1331: my $allowed=0;
1332: my $prohibited;
1333: foreach my $id (@ids) { if ($id eq $home) { $allowed=1; } }
1334: if (!$allowed) {
1335: $button=0;
1336: unless ($trustchecked{$tdom}) {
1337: if ((&Apache::lonnet::will_trust('othcoau',$tdom,$env{'user.domain'})) &&
1338: (&Apache::lonnet::will_trust('coremau',$env{'user.domain'},$tdom))) {
1339: $willtrust{$tdom} = 1;
1340: $trustchecked{$tdom} = 1;
1341: }
1342: }
1343: if ($willtrust{$tdom}) {
1344: $switchserver='otherserver='.$home.'&role='.$trolecode;
1345: } else {
1346: $prohibited = 1;
1347: $tremark .= &mt('Session switch required but prohibited.');
1348: }
1349: }
1350: #next if ($home eq 'no_host');
1351: $home = &Apache::lonnet::hostname($home);
1352: $ttype='Authoring Space';
1353: $twhere=&mt('User').': '.$trest.'<br />'.&mt('Domain').
1354: ': '.$tdom.'<br />'.
1355: ' '.&mt('Server').': '.$home;
1356: $env{'course.'.$tdom.'_'.$trest.'.description'}='ca';
1357: unless ($prohibited) {
1358: $tremark.=&Apache::lonhtmlcommon::authorbombs('/res/'.$tdom.'/'.$trest.'/');
1359: }
1360: $sortkey=$role."$trest:$tdom";
1361: } elsif ($role eq 'au') {
1362: # Authors
1363: my $home = &Apache::lonnet::homeserver
1364: ($env{'user.name'},$env{'user.domain'});
1365: my $allowed=0;
1366: foreach my $id (@ids) { if ($id eq $home) { $allowed=1; } }
1367: if (!$allowed) {
1368: $button=0;
1369: $switchserver='otherserver='.$home.'&role='.$trolecode;
1370: }
1371: #next if ($home eq 'no_host');
1372: $home = &Apache::lonnet::hostname($home);
1373: $ttype='Authoring Space';
1374: $twhere=&mt('Domain').': '.$tdom.'<br />'.&mt('Server').
1375: ': '.$home;
1376: $env{'course.'.$tdom.'_'.$trest.'.description'}='ca';
1377: $tremark.=&Apache::lonhtmlcommon::authorbombs('/res/'.$tdom.'/'.$env{'user.name'}.'/');
1378: $sortkey=$role;
1379: } elsif ($trest) {
1380: my $tcourseid=$tdom.'_'.$trest;
1381: $ttype = &Apache::loncommon::course_type($tcourseid);
1382: if ($role !~ /^cr/) {
1383: $trole = &Apache::lonnet::plaintext($role,$ttype,$tcourseid);
1384: } elsif ($role =~ m{^\Qcr/$tdom/$tdom\E\-domainconfig/(\w+)$}) {
1385: my $rolename = $1;
1386: my $desc;
1387: if (ref($adhocdesc{$tdom}) eq 'HASH') {
1388: $desc = $adhocdesc{$tdom}{$rolename};
1389: } else {
1390: my %domdef = &Apache::lonnet::get_domain_defaults($tdom);
1391: if (ref($domdef{'adhocroles'}) eq 'HASH') {
1392: foreach my $rolename (sort(keys(%{$domdef{'adhocroles'}}))) {
1393: if (ref($domdef{'adhocroles'}{$rolename}) eq 'HASH') {
1394: $adhocdesc{$tdom}{$rolename} = $domdef{'adhocroles'}{$rolename}{'desc'};
1395: $desc = $adhocdesc{$tdom}{$rolename};
1396: }
1397: }
1398: }
1399: }
1400: if ($desc ne '') {
1401: $trole = $desc;
1402: } else {
1403: $trole = &mt('Helpdesk[_1]',' '.$rolename);
1404: }
1405: } else {
1406: $trole = (split(/\//,$role,4))[-1];
1407: }
1408: if ($env{'course.'.$tcourseid.'.description'}) {
1409: my $home=$env{'course.'.$tcourseid.'.home'};
1410: $twhere=$env{'course.'.$tcourseid.'.description'};
1411: $sortkey=$role."\0".$tdom."\0".$twhere."\0".$envkey;
1412: $twhere = &HTML::Entities::encode($twhere,'"<>&');
1413: unless ($twhere eq &mt('Currently not available')) {
1414: $twhere.=' <span class="LC_fontsize_small">'.
1415: &Apache::loncommon::syllabuswrapper(&mt('Syllabus'),$trest,$tdom).
1416: '</span>';
1417: unless ($home && grep(/^\Q$home\E$/,@ids) && $loncaparev eq '') {
1418: my $required = $env{'course.'.$tcourseid.'.internal.releaserequired'};
1419: if ($required ne '') {
1420: ($switchserver,$switchwarning) =
1421: &Apache::loncommon::check_release_required($loncaparev,$tcourseid,$trolecode,$required);
1422: if ($switchserver || $switchwarning) {
1423: $button = 0;
1424: }
1425: }
1426: }
1427: }
1428: } else {
1429: my %newhash=&Apache::lonnet::coursedescription($tcourseid);
1430: if (%newhash) {
1431: $sortkey=$role."\0".$tdom."\0".$newhash{'description'}.
1432: "\0".$envkey;
1433: $twhere=&HTML::Entities::encode($newhash{'description'},'"<>&').
1434: ' <span class="LC_fontsize_small">'.
1435: &Apache::loncommon::syllabuswrapper(&mt('Syllabus'),$trest,$tdom).
1436: '</span>';
1437: $ttype = $newhash{'type'};
1438: $trole = &Apache::lonnet::plaintext($role,$ttype,$tcourseid);
1439: my $home = $newhash{'home'};
1440: unless ($home && grep(/^\Q$home\E$/,@ids) && $loncaparev eq '') {
1441: my $required = $newhash{'internal.releaserequired'};
1442: if ($required ne '') {
1443: ($switchserver,$switchwarning) =
1444: &Apache::loncommon::check_release_required($loncaparev,$tcourseid,$trolecode,$required);
1445: if ($switchserver || $switchwarning) {
1446: $button = 0;
1447: }
1448: }
1449: }
1450: } else {
1451: $twhere=&mt('Currently not available');
1452: $env{'course.'.$tcourseid.'.description'}=$twhere;
1453: $sortkey=$role."\0".$tdom."\0".$twhere."\0".$envkey;
1454: $ttype = 'Unavailable';
1455: $skipcal = 1;
1456: }
1457: }
1458: if ($ttype eq 'Placement') {
1459: $ttype = 'Placement Test';
1460: }
1461: if ($tsection) {
1462: $twhere.='<br />'.&mt('Section').': '.$tsection;
1463: }
1464: if ($role ne 'st') { $twhere.="<br />".&mt('Domain').":".$tdom; }
1465: } elsif ($tdom) {
1466: $ttype='Domain';
1467: $twhere=$tdom;
1468: $sortkey=$role.$twhere;
1469: } else {
1470: $ttype='System';
1471: $twhere=&mt('system wide');
1472: $sortkey=$role.$twhere;
1473: }
1474: ($role_text,$role_text_end) =
1475: &build_roletext($trolecode,$tdom,$trest,$tstatus,$tryagain,
1476: $advanced,$tremark,$tbg,$trole,$twhere,$tpstart,
1477: $tpend,$nochoose,$button,$switchserver,$reinit,
1478: $switchwarning,$skipcal);
1479: $roletext->{$envkey}=[$role_text,$role_text_end];
1480: if (!$sortkey) {$sortkey=$twhere."\0".$envkey;}
1481: $sortrole->{$sortkey}=$envkey;
1482: $roleclass->{$envkey}=$ttype;
1483: }
1484: }
1485: }
1486: return ($countactive,$countfuture,$inrole,$possiblerole);
1487: }
1488:
1489: sub role_timezone {
1490: my ($where,$timezones) = @_;
1491: my $timezone;
1492: if (ref($timezones) eq 'HASH') {
1493: if ($where =~ m{^/($match_domain)/($match_courseid)}) {
1494: my $cdom = $1;
1495: my $cnum = $2;
1496: if ($cdom && $cnum) {
1497: if (!exists($timezones->{$cdom.'_'.$cnum})) {
1498: my $tz;
1499: if ($env{'course.'.$cdom.'_'.$cnum.'.description'}) {
1500: $tz = $env{'course.'.$cdom.'_'.$cnum.'.timezone'};
1501: } else {
1502: my %timehash =
1503: &Apache::lonnet::get('environment',['timezone'],$cdom,$cnum);
1504: $tz = $timehash{'timezone'};
1505: }
1506: if ($tz eq '') {
1507: if (!exists($timezones->{$cdom})) {
1508: my %domdefaults =
1509: &Apache::lonnet::get_domain_defaults($cdom);
1510: if ($domdefaults{'timezone_def'} eq '') {
1511: $timezones->{$cdom} = 'local';
1512: } else {
1513: $timezones->{$cdom} = $domdefaults{'timezone_def'};
1514: }
1515: }
1516: $timezones->{$cdom.'_'.$cnum} = $timezones->{$cdom};
1517: } else {
1518: $timezones->{$cdom.'_'.$cnum} =
1519: &Apache::lonlocal::gettimezone($tz);
1520: }
1521: }
1522: $timezone = $timezones->{$cdom.'_'.$cnum};
1523: }
1524: } else {
1525: my ($tdom) = ($where =~ m{^/($match_domain)});
1526: if ($tdom) {
1527: if (!exists($timezones->{$tdom})) {
1528: my %domdefaults = &Apache::lonnet::get_domain_defaults($tdom);
1529: if ($domdefaults{'timezone_def'} eq '') {
1530: $timezones->{$tdom} = 'local';
1531: } else {
1532: $timezones->{$tdom} = $domdefaults{'timezone_def'};
1533: }
1534: }
1535: $timezone = $timezones->{$tdom};
1536: }
1537: }
1538: if ($timezone eq 'local') {
1539: $timezone = undef;
1540: }
1541: }
1542: return $timezone;
1543: }
1544:
1545: sub roletable_headers {
1546: my ($r,$roleclass,$sortrole,$nochoose) = @_;
1547: my $doheaders;
1548: if ((ref($sortrole) eq 'HASH') && (ref($roleclass) eq 'HASH')) {
1549: $r->print('<br />'
1550: .&Apache::loncommon::start_data_table('LC_textsize_mobile')
1551: .&Apache::loncommon::start_data_table_header_row()
1552: );
1553: if (!$nochoose) { $r->print('<th> </th>'); }
1554: $r->print('<th>'.&mt('User Role').'</th>'
1555: .'<th>'.&mt('Extent').'</th>'
1556: .'<th>'.&mt('Start').'</th>'
1557: .'<th>'.&mt('End').'</th>'
1558: .&Apache::loncommon::end_data_table_header_row()
1559: );
1560: $doheaders=-1;
1561: my @roletypes = &roletypes();
1562: foreach my $type (@roletypes) {
1563: my $haverole=0;
1564: foreach my $which (sort {uc($a) cmp uc($b)} (keys(%{$sortrole}))) {
1565: if ($roleclass->{$sortrole->{$which}} =~ /^\Q$type\E/) {
1566: $haverole=1;
1567: }
1568: }
1569: if ($haverole) { $doheaders++; }
1570: }
1571: }
1572: return $doheaders;
1573: }
1574:
1575: sub roletypes {
1576: my @types = ('Domain','Authoring Space','Course','Placement Test','Community','Unavailable','System');
1577: return @types;
1578: }
1579:
1580: sub print_rolerows {
1581: my ($r,$doheaders,$roleclass,$sortrole,$dcroles,$roletext,$update,$then) = @_;
1582: if ((ref($roleclass) eq 'HASH') && (ref($sortrole) eq 'HASH')) {
1583: my @types = &roletypes();
1584: foreach my $type (@types) {
1585: my $output;
1586: foreach my $which (sort {uc($a) cmp uc($b)} (keys(%{$sortrole}))) {
1587: if ($roleclass->{$sortrole->{$which}} =~ /^\Q$type\E/) {
1588: if (ref($roletext) eq 'HASH') {
1589: if (ref($roletext->{$sortrole->{$which}}) eq 'ARRAY') {
1590: $output.= &Apache::loncommon::start_data_table_row().
1591: $roletext->{$sortrole->{$which}}->[0].
1592: &Apache::loncommon::end_data_table_row();
1593: if ($roletext->{$sortrole->{$which}}->[1] ne '') {
1594: $output .= &Apache::loncommon::continue_data_table_row().
1595: $roletext->{$sortrole->{$which}}->[1].
1596: &Apache::loncommon::end_data_table_row();
1597: }
1598: }
1599: if ($sortrole->{$which} =~ m{^user\.role\.dc\./($match_domain)/}) {
1600: if (ref($dcroles) eq 'HASH') {
1601: if ($dcroles->{$1}) {
1602: $output .= &adhoc_roles_row($1,'');
1603: }
1604: }
1605: } elsif ($sortrole->{$which} =~ m{^user\.role\.(dh|da)\./($match_domain)/}) {
1606: $output .= &adhoc_customroles_row($1,$2,'',$update,$then);
1607: }
1608: }
1609: }
1610: }
1611: if ($output) {
1612: if ($doheaders > 0) {
1613: $r->print(&Apache::loncommon::start_data_table_empty_row()
1614: .'<td align="center" colspan="5">'
1615: .&mt($type)
1616: .'</td>'
1617: .&Apache::loncommon::end_data_table_empty_row()
1618: );
1619: }
1620: $r->print($output);
1621: }
1622: }
1623: }
1624: }
1625:
1626: sub findcourse_advice {
1627: my ($r,$cattype) = @_;
1628: my $domdesc = &Apache::lonnet::domain($env{'user.domain'},'description');
1629: my $esc_dom = &HTML::Entities::encode($env{'user.domain'},'"<>&');
1630: if (&Apache::lonnet::auto_run(undef,$env{'user.domain'})) {
1631: $r->print(&mt('If you were expecting to see an active role listed for a particular course in the [_1] domain, it may be missing for one of the following reasons:',$domdesc).'
1632: <ul>
1633: <li>'.&mt('The course has yet to be created.').'</li>
1634: <li>'.&mt('Automatic enrollment of registered students has not been enabled for the course.').'</li>
1635: <li>'.&mt('You are in a section of course for which automatic enrollment in the corresponding LON-CAPA course is not active.').'</li>
1636: <li>'.&mt('The start date for automated enrollment has yet to be reached.').'</li>
1637: <li>'.&mt('You registered for the course recently and there is a time lag between the time you register, and the time this information becomes available for the update of LON-CAPA course rosters.').'</li>
1638: <li>'.&mt('Automated enrollment added you to the course in the time since you last logged in.').' '.&mt('If that is the case you can use the "Check for changes" link in the gray Functions bar to update the list of your available course roles.').'</li>
1639: </ul>');
1640: } else {
1641: $r->print(&mt('If you were expecting to see an active role listed for a particular course, that course may not have been created yet.').'<br />');
1642: }
1643: if (($cattype eq 'std') || ($cattype eq 'domonly')) {
1644: $r->print('<h3>'.&mt('Self-Enrollment').'</h3>'.
1645: '<p>'.&mt('The [_1]Course/Community Catalog[_2] provides information about all [_3] classes for which LON-CAPA courses have been created, as well as any communities in the domain.','<a href="/adm/coursecatalog?showdom='.$esc_dom.'">','</a>',$domdesc).'<br />');
1646: $r->print(&mt('You can search for courses and communities which permit self-enrollment, if you would like to enroll in one.').'</p>'.
1647: &Apache::loncoursequeueadmin::queued_selfenrollment());
1648: }
1649: return;
1650: }
1651:
1652: sub requestcourse_advice {
1653: my ($r,$cattype,$inrole) = @_;
1654: my $domdesc = &Apache::lonnet::domain($env{'user.domain'},'description');
1655: my $esc_dom = &HTML::Entities::encode($env{'user.domain'},'"<>&');
1656: my (%can_request,%request_doms,$output);
1657: &Apache::lonnet::check_can_request($env{'user.domain'},\%can_request,\%request_doms);
1658: if (keys(%request_doms) > 0) {
1659: my ($types,$typename) = &Apache::loncommon::course_types();
1660: if ((ref($types) eq 'ARRAY') && (ref($typename) eq 'HASH')) {
1661: my (@reqdoms,@reqtypes);
1662: foreach my $type (sort(keys(%request_doms))) {
1663: push(@reqtypes,$type);
1664: if (ref($request_doms{$type}) eq 'ARRAY') {
1665: my $domstr = join(', ',map { &Apache::lonnet::domain($_) } sort(@{$request_doms{$type}}));
1666: $output .=
1667: '<li>'
1668: .&mt('[_1]'.$typename->{$type}.'[_2] in domain: [_3]',
1669: '<i>',
1670: '</i>',
1671: '<b>'.$domstr.'</b>')
1672: .'</li>';
1673: foreach my $dom (@{$request_doms{$type}}) {
1674: unless (grep(/^\Q$dom\E/,@reqdoms)) {
1675: push(@reqdoms,$dom);
1676: }
1677: }
1678: }
1679: }
1680: my @showtypes;
1681: foreach my $type (@{$types}) {
1682: if (grep(/^\Q$type\E$/,@reqtypes)) {
1683: push(@showtypes,$type);
1684: }
1685: }
1686: my $requrl = '/adm/requestcourse';
1687: if (@reqdoms == 1) {
1688: $requrl .= '?showdom='.$reqdoms[0];
1689: }
1690: if (@showtypes > 0) {
1691: $requrl.=(($requrl=~/\?/)?'&':'?').'crstype='.$showtypes[0];
1692: }
1693: if (@reqdoms == 1 || @showtypes > 0) {
1694: $requrl .= '&state=crstype&action=new';
1695: }
1696: if ($output) {
1697: $r->print('<h3>'.&mt('Request creation of a course or community').'</h3>'.
1698: '<p>'.
1699: &mt('You have rights to request the creation of courses and/or communities in the following domain(s):').
1700: '<ul>'.
1701: $output.
1702: '</ul>'.
1703: &mt('Use the [_1]request form[_2] to submit a request for creation of a new course or community.',
1704: '<a href="'.$requrl.'">','</a>').
1705: '</p>');
1706: }
1707: }
1708: } elsif (!$env{'user.adv'}) {
1709: if ($inrole) {
1710: $r->print('<h3>'.&mt('Currently no additional roles, courses or communities').'</h3>');
1711: } else {
1712: $r->print('<h3>'.&mt('Currently no active roles, courses or communities').'</h3>');
1713: }
1714: &findcourse_advice($r,$cattype);
1715: }
1716: return;
1717: }
1718:
1719: sub privileges_info {
1720: my ($which) = @_;
1721: my $output;
1722:
1723: $which ||= $env{'request.role'};
1724:
1725: foreach my $envkey (sort(keys(%env))) {
1726: next if ($envkey!~/^user\.priv\.\Q$which\E\.(.*)/);
1727:
1728: my $where=$1;
1729: my $ttype;
1730: my $twhere;
1731: my (undef,$tdom,$trest,$tsec)=split(m{/},$where);
1732: if ($trest) {
1733: if ($env{'course.'.$tdom.'_'.$trest.'.description'} eq 'ca') {
1734: $ttype='Authoring Space';
1735: $twhere='User: '.$trest.', Domain: '.$tdom;
1736: } else {
1737: $ttype= &Apache::loncommon::course_type($tdom.'_'.$trest);
1738: $twhere=$env{'course.'.$tdom.'_'.$trest.'.description'};
1739: if ($tsec) {
1740: my $sec_type = 'Section';
1741: if (exists($env{"user.role.gr.$where"})) {
1742: $sec_type = 'Group';
1743: }
1744: $twhere.=' ('.$sec_type.': '.$tsec.')';
1745: }
1746: }
1747: } elsif ($tdom) {
1748: $ttype='Domain';
1749: $twhere=$tdom;
1750: } else {
1751: $ttype='System';
1752: $twhere='/';
1753: }
1754: $output .= "\n<h3>".&mt($ttype).': '.$twhere.'</h3>'."\n<ul>";
1755: foreach my $priv (sort(split(/:/,$env{$envkey}))) {
1756: next if (!$priv);
1757:
1758: my ($prv,$restr)=split(/\&/,$priv);
1759: my $trestr='';
1760: if ($restr ne 'F') {
1761: $trestr.=' ('.
1762: join(', ',
1763: map { &Apache::lonnet::plaintext($_) }
1764: (split('',$restr))).') ';
1765: }
1766: $output .= "\n\t".
1767: '<li>'.&Apache::lonnet::plaintext($prv).$trestr.'</li>';
1768: }
1769: $output .= "\n".'</ul>';
1770: }
1771: return $output;
1772: }
1773:
1774: sub build_roletext {
1775: my ($trolecode,$tdom,$trest,$tstatus,$tryagain,$advanced,$tremark,$tbg,$trole,$twhere,
1776: $tpstart,$tpend,$nochoose,$button,$switchserver,$reinit,$switchwarning,$skipcal) = @_;
1777: my ($roletext,$roletext_end,$poss_adhoc);
1778: if ($trolecode =~ m/^d(c|h|a)\./) {
1779: $poss_adhoc = 1;
1780: }
1781: my $rowspan=($poss_adhoc) ? ''
1782: : ' rowspan="2" ';
1783:
1784: unless ($nochoose) {
1785: my $buttonname=$trolecode;
1786: $buttonname=~s/\W//g;
1787: if (!$button) {
1788: if ($switchserver) {
1789: $roletext.='<td'.$rowspan.' class="'.$tbg.'">'
1790: .'<a href="/adm/switchserver?'.$switchserver.'">'
1791: .&mt('Switch Server')
1792: .'</a></td>';
1793: } else {
1794: $roletext.=('<td'.$rowspan.' class="'.$tbg.'"> </td>');
1795: }
1796: if ($switchwarning) {
1797: if ($tremark eq '') {
1798: $tremark = $switchwarning;
1799: } else {
1800: $tremark .= '<br />'.$switchwarning;
1801: }
1802: }
1803: } elsif ($tstatus eq 'is') {
1804: $roletext.='<td'.$rowspan.' class="'.$tbg.'">'.
1805: '<input name="'.$buttonname.'" type="button" value="'.
1806: &mt('Select').'" onclick="javascript:enterrole(this.form,\''.
1807: $trolecode."','".$buttonname.'\');" /></td>';
1808: } elsif ($tryagain) {
1809: $roletext.=
1810: '<td'.$rowspan.' class="'.$tbg.'">'.
1811: '<input name="'.$buttonname.'" type="button" value="'.
1812: &mt('Try Selecting Again').'" onclick="javascript:enterrole(this.form,\''.
1813: $trolecode."','".$buttonname.'\');" /></td>';
1814: } elsif ($advanced) {
1815: $roletext.=
1816: '<td'.$rowspan.' class="'.$tbg.'">'.
1817: '<input name="'.$buttonname.'" type="button" value="'.
1818: &mt('Re-Initialize').'" onclick="javascript:enterrole(this.form,\''.
1819: $trolecode."','".$buttonname.'\');" /></td>';
1820: } elsif ($reinit) {
1821: $roletext.=
1822: '<td'.$rowspan.' class="'.$tbg.'">'.
1823: '<input name="'.$buttonname.'" type="button" value="'.
1824: &mt('Re-Select').'" onclick="javascript:enterrole(this.form,\''.
1825: $trolecode."','".$buttonname.'\');" /></td>';
1826: } else {
1827: $roletext.=
1828: '<td'.$rowspan.' class="'.$tbg.'">'.
1829: '<input name="'.$buttonname.'" type="button" value="'.
1830: &mt('Re-Select').'" onclick="javascript:enterrole(this.form,\''.
1831: $trolecode."','".$buttonname.'\');" /></td>';
1832: }
1833: }
1834: if (($trolecode !~ m/^(dc|ca|au|aa)\./) && (!$skipcal)) {
1835: $tremark.=&Apache::lonannounce::showday(time,1,
1836: &Apache::lonannounce::readcalendar($tdom.'_'.$trest));
1837: }
1838: $roletext.='<td>'.$trole.'</td>'
1839: .'<td>'.$twhere.'</td>'
1840: .'<td>'.$tpstart.'</td>'
1841: .'<td>'.$tpend.'</td>';
1842: unless ($poss_adhoc) {
1843: $roletext_end = '<td colspan="4">'.
1844: $tremark.' '.
1845: '</td>';
1846: }
1847: return ($roletext,$roletext_end);
1848: }
1849:
1850: sub check_author_homeserver {
1851: my ($uname,$udom)=@_;
1852: if (($uname eq '') || ($udom eq '')) {
1853: return ('fail','');
1854: }
1855: my $home = &Apache::lonnet::homeserver($uname,$udom);
1856: if (&Apache::lonnet::host_domain($home) ne $udom) {
1857: return ('fail',$home);
1858: }
1859: my @ids=&Apache::lonnet::current_machine_ids();
1860: if (grep(/^\Q$home\E$/,@ids)) {
1861: return ('ok',$home);
1862: } else {
1863: return ('switchserver',$home);
1864: }
1865: }
1866:
1867: sub check_for_adhoc {
1868: my ($dcroles,$helpdeskroles,$update,$then) = @_;
1869: my $numdc = 0;
1870: my $numhelpdesk = 0;
1871: my $numadhoc = 0;
1872: my $num_custom_adhoc = 0;
1873: if (($env{'user.adv'}) || ($env{'user.rar'})) {
1874: foreach my $envkey (sort(keys(%env))) {
1875: if ($envkey=~/^user\.role\.(dc|dh|da)\.\/($match_domain)\/$/) {
1876: my $role = $1;
1877: my $roledom = $2;
1878: my $liverole = 1;
1879: my ($tstart,$tend)=split(/\./,$env{$envkey});
1880: my $limit = $update;
1881: if ($env{'request.role'} eq "$role./$roledom/") {
1882: $limit = $then;
1883: }
1884: if ($tstart && $tstart>$limit) { $liverole = 0; }
1885: if ($tend && $tend <$limit) { $liverole = 0; }
1886: if ($liverole) {
1887: if ($role eq 'dc') {
1888: $dcroles->{$roledom} = $envkey;
1889: $numdc++;
1890: } else {
1891: $helpdeskroles->{$roledom} = $envkey;
1892: my %domdefaults = &Apache::lonnet::get_domain_defaults($roledom);
1893: if (ref($domdefaults{'adhocroles'}) eq 'HASH') {
1894: if (keys(%{$domdefaults{'adhocroles'}})) {
1895: $numadhoc ++;
1896: }
1897: }
1898: $numhelpdesk++;
1899: }
1900: }
1901: }
1902: }
1903: }
1904: return ($numdc,$numhelpdesk,$numadhoc);
1905: }
1906:
1907: sub adhoc_course_role {
1908: my ($refresh,$update,$then) = @_;
1909: my ($cdom,$cnum,$crstype);
1910: $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
1911: $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
1912: $crstype = &Apache::loncommon::course_type();
1913: if (&check_forcc($cdom,$cnum,$refresh,$update,$then,$crstype)) {
1914: my $setprivs;
1915: if (!defined($env{'user.role.'.$env{'form.switchrole'}})) {
1916: $setprivs = 1;
1917: } else {
1918: my ($start,$end) = split(/\./,$env{'user.role.'.$env{'form.switchrole'}});
1919: if (($start && ($start>$refresh || $start == -1)) ||
1920: ($end && $end<$update)) {
1921: $setprivs = 1;
1922: }
1923: }
1924: unless ($setprivs) {
1925: if (!exists($env{'user.priv.'.$env{'form.switchrole'}.'./'})) {
1926: $setprivs = 1;
1927: }
1928: }
1929: if ($setprivs) {
1930: if ($env{'form.switchrole'} =~ m-^(in|ta|ep|ad|st|cr)(.*?)\./\Q$cdom\E/\Q$cnum\E/?(\w*)$-) {
1931: my $role = $1;
1932: my $custom_role = $2;
1933: my $usec = $3;
1934: if ($role eq 'cr') {
1935: if ($custom_role =~ m-^/$match_domain/$match_username/\w+$-) {
1936: $role .= $custom_role;
1937: } else {
1938: return;
1939: }
1940: }
1941: my (%userroles,%newrole,%newgroups,%group_privs);
1942: my %cgroups =
1943: &Apache::lonnet::get_active_groups($env{'user.domain'},
1944: $env{'user.name'},$cdom,$cnum);
1945: my $ccrole;
1946: if ($crstype eq 'Community') {
1947: $ccrole = 'co';
1948: } else {
1949: $ccrole = 'cc';
1950: }
1951: foreach my $group (keys(%cgroups)) {
1952: $group_privs{$group} =
1953: $env{'user.priv.'.$ccrole.'./'.$cdom.'/'.$cnum.'./'.$cdom.'/'.$cnum.'/'.$group};
1954: }
1955: $newgroups{'/'.$cdom.'/'.$cnum} = \%group_privs;
1956: my $area = '/'.$cdom.'/'.$cnum;
1957: my $spec = $role.'.'.$area;
1958: if ($usec ne '') {
1959: $spec .= '/'.$usec;
1960: $area .= '/'.$usec;
1961: }
1962: if ($role =~ /^cr/) {
1963: &Apache::lonnet::custom_roleprivs(\%newrole,$role,$cdom,$cnum,$spec,$area);
1964: } else {
1965: &Apache::lonnet::standard_roleprivs(\%newrole,$role,$cdom,$spec,$cnum,$area);
1966: }
1967: &Apache::lonnet::set_userprivs(\%userroles,\%newrole,\%newgroups);
1968: my $adhocstart = $refresh-1;
1969: $userroles{'user.role.'.$spec} = $adhocstart.'.';
1970: &Apache::lonnet::appenv(\%userroles,[$role,'cm']);
1971: }
1972: }
1973: }
1974: return;
1975: }
1976:
1977: sub check_forcc {
1978: my ($cdom,$cnum,$refresh,$update,$then,$crstype) = @_;
1979: my ($is_cc,$ccrole);
1980: if ($crstype eq 'Community') {
1981: $ccrole = 'co';
1982: } else {
1983: $ccrole = 'cc';
1984: }
1985: if (&Apache::lonnet::is_course($cdom,$cnum)) {
1986: my $envkey = 'user.role.'.$ccrole.'./'.$cdom.'/'.$cnum;
1987: if (defined($env{$envkey})) {
1988: $is_cc = 1;
1989: my ($tstart,$tend)=split(/\./,$env{$envkey});
1990: my $limit = $update;
1991: if ($env{'request.role'} eq $ccrole.'./'.$cdom.'/'.$cnum) {
1992: $limit = $then;
1993: }
1994: if ($tstart && $tstart>$refresh) { $is_cc = 0; }
1995: if ($tend && $tend <$limit) { $is_cc = 0; }
1996: }
1997: }
1998: return $is_cc;
1999: }
2000:
2001: sub courselink {
2002: my ($roledom,$rowtype,$role) = @_;
2003: my $courseform=&Apache::loncommon::selectcourse_link
2004: ('rolechoice','course'.$rowtype.'_'.$roledom.'_'.$role,
2005: 'domain'.$rowtype.'_'.$roledom.'_'.$role,
2006: 'coursedesc'.$rowtype.'_'.$roledom.'_'.$role,
2007: $roledom.':'.$role,undef,'Course/Community');
2008: my $hiddenitems = '<input type="hidden" name="domain'.$rowtype.'_'.$roledom.'_'.$role.'" value="'.$roledom.'" />'.
2009: '<input type="hidden" name="origdom'.$rowtype.'_'.$roledom.'_'.$role.'" value="'.$roledom.'" />'.
2010: '<input type="hidden" name="course'.$rowtype.'_'.$roledom.'_'.$role.'" value="" />'.
2011: '<input type="hidden" name="coursedesc'.$rowtype.'_'.$roledom.'_'.$role.'" value="" />';
2012: return $courseform.$hiddenitems;
2013: }
2014:
2015: sub coursepick_jscript {
2016: my %js_lt = &Apache::lonlocal::texthash(
2017: plsu => "Please use the 'Select Course/Community' link to open a separate pick course window where you may select the course or community you wish to enter.",
2018: youc => 'You can only use this screen to select courses and communities in the current domain.',
2019: );
2020: &js_escape(\%js_lt);
2021: my $verify_script = <<"END";
2022: <script type="text/javascript">
2023: // <![CDATA[
2024: function verifyCoursePick(caller) {
2025: var numbutton = getIndex(caller)
2026: var pickedCourse = document.rolechoice.elements[numbutton+4].value
2027: var pickedDomain = document.rolechoice.elements[numbutton+2].value
2028: if (document.rolechoice.elements[numbutton+2].value == document.rolechoice.elements[numbutton+3].value) {
2029: if (pickedCourse != '') {
2030: if (numbutton != -1) {
2031: var courseTarget = "cc./"+pickedDomain+"/"+pickedCourse
2032: document.rolechoice.elements[numbutton+1].name = courseTarget
2033: document.rolechoice.submit()
2034: }
2035: }
2036: else {
2037: alert("$js_lt{'plsu'}");
2038: }
2039: }
2040: else {
2041: alert("$js_lt{'youc'}")
2042: }
2043: }
2044: function getIndex(caller) {
2045: for (var i=0;i<document.rolechoice.elements.length;i++) {
2046: if (document.rolechoice.elements[i] == caller) {
2047: return i;
2048: }
2049: }
2050: return -1;
2051: }
2052: // ]]>
2053: </script>
2054: END
2055: return $verify_script;
2056: }
2057:
2058: sub coauthorlink {
2059: my ($dcdom,$rowtype) = @_;
2060: my $coauthorform=&Apache::loncommon::selectauthor_link('rolechoice',$dcdom);
2061: my $hiddenitems = '<input type="hidden" name="adhoccauname'.$rowtype.'_'.$dcdom.'" value="" />';
2062: return $coauthorform.$hiddenitems;
2063: }
2064:
2065: sub display_cc_role {
2066: my $rolekey = shift;
2067: my ($roletext,$roletext_end);
2068: my $advanced = $env{'user.adv'};
2069: my $tryagain = $env{'form.tryagain'};
2070: unless ($rolekey =~/^error\:/) {
2071: if ($rolekey =~ m{^user\.role\.(cc|co)\./($match_domain)/($match_courseid)$}) {
2072: my $ccrole = $1;
2073: my $tdom = $2;
2074: my $trest = $3;
2075: my $tcourseid = $tdom.'_'.$trest;
2076: my $trolecode = $ccrole.'./'.$tdom.'/'.$trest;
2077: my $twhere;
2078: my $ttype;
2079: my $skipcal;
2080: my $tbg='LC_roles_is';
2081: my %newhash=&Apache::lonnet::coursedescription($tcourseid);
2082: if (%newhash) {
2083: $twhere=$newhash{'description'}.
2084: ' <span class="LC_fontsize_small">'.
2085: &Apache::loncommon::syllabuswrapper(&mt('Syllabus'),$trest,$tdom).
2086: '</span>';
2087: $ttype = $newhash{'type'};
2088: } else {
2089: $twhere=&mt('Currently not available');
2090: $env{'course.'.$tcourseid.'.description'}=$twhere;
2091: $skipcal = 1;
2092: }
2093: my $trole = &Apache::lonnet::plaintext($ccrole,$ttype,$tcourseid);
2094: $twhere.="<br />".&mt('Domain').":".$tdom;
2095: ($roletext,$roletext_end) = &build_roletext($trolecode,$tdom,$trest,'is',$tryagain,$advanced,'',$tbg,$trole,$twhere,'','','',1,'','','',$skipcal);
2096: }
2097: }
2098: return ($roletext,$roletext_end);
2099: }
2100:
2101: sub adhoc_roles_row {
2102: my ($dcdom,$rowtype) = @_;
2103: my $output = &Apache::loncommon::continue_data_table_row()
2104: .' <td colspan="5" class="LC_textsize_mobile">'
2105: .&mt('[_1]Ad hoc[_2] roles in domain [_3]'
2106: ,'<span class="LC_cusr_emph">','</span>',$dcdom)
2107: .' -- ';
2108: my $role = 'cc';
2109: my $selectcclink = &courselink($dcdom,$rowtype,$role);
2110: my $ccrole = &Apache::lonnet::plaintext('co',undef,undef,1);
2111: my $carole = &Apache::lonnet::plaintext('ca');
2112: my $selectcalink = &coauthorlink($dcdom,$rowtype);
2113: $output.=$ccrole.': '.$selectcclink
2114: .' | '.$carole.': '.$selectcalink.'</td>'
2115: .&Apache::loncommon::end_data_table_row();
2116: return $output;
2117: }
2118:
2119: sub adhoc_customroles_row {
2120: my ($role,$dhdom,$rowtype,$update,$then) = @_;
2121: my $liverole = 1;
2122: my ($tstart,$tend)=split(/\./,$env{"user.role.$role./$dhdom/"});
2123: my $limit = $update;
2124: if (($role eq 'dh') && ($env{'request.role'} eq 'dh./'.$dhdom.'/')) {
2125: $limit = $then;
2126: }
2127: if ($tstart && $tstart>$limit) { $liverole = 0; }
2128: if ($tend && $tend <$limit) { $liverole = 0; }
2129: return unless ($liverole);
2130: my %domdefaults = &Apache::lonnet::get_domain_defaults($dhdom);
2131: if (ref($domdefaults{'adhocroles'}) eq 'HASH') {
2132: if (scalar(keys(%{$domdefaults{'adhocroles'}})) > 0) {
2133: return &Apache::loncommon::continue_data_table_row()
2134: .' <td colspan="5" class="LC_textsize_mobile">'
2135: .&mt('[_1]Ad hoc[_2] course/community roles in domain [_3]',
2136: '<span class="LC_cusr_emph">','</span>',$dhdom)
2137: .' -- '.&courselink($dhdom,$rowtype,$role);
2138: }
2139: }
2140: return;
2141: }
2142:
2143: sub recent_filename {
2144: my $area=shift;
2145: return 'nohist_recent_'.&escape($area);
2146: }
2147:
2148: sub courseloadpage {
2149: my ($courseid) = @_;
2150: my $startpage;
2151: my %entry_settings = &Apache::lonnet::get('nohist_whatsnew',
2152: [$courseid.':courseinit']);
2153: my ($tmp) = %entry_settings;
2154: unless ($tmp =~ /^error: 2 /) {
2155: $startpage = $entry_settings{$courseid.':courseinit'};
2156: }
2157: if ($startpage eq '') {
2158: if (exists($env{'environment.course_init_display'})) {
2159: $startpage = $env{'environment.course_init_display'};
2160: }
2161: }
2162: return $startpage;
2163: }
2164:
2165: sub update_session_roles {
2166: my $then=$env{'user.login.time'};
2167: my $refresh=$env{'user.refresh.time'};
2168: if (!$refresh) {
2169: $refresh = $then;
2170: }
2171: my $update = $env{'user.update.time'};
2172: if (!$update) {
2173: $update = $then;
2174: }
2175: my $now = time;
2176: my %roleshash =
2177: &Apache::lonnet::get_my_roles('','','userroles',
2178: ['active','future','previous'],
2179: undef,undef,1);
2180: my ($msg,@newsec,$oldsec,$currrole_expired,@changed_roles,
2181: %changed_groups,%dbroles,%deletedroles,%allroles,%allgroups,
2182: %userroles,%checkedgroup,%crprivs,$hasgroups,%rolechange,
2183: %groupchange,%newrole,%newgroup,%customprivchg,%groups_roles,
2184: @rolecodes);
2185: my @possroles = ('cr','st','ta','ad','ep','in','co','cc');
2186: my %courseroles;
2187: foreach my $item (keys(%roleshash)) {
2188: my ($uname,$udom,$role,$remainder) = split(/:/,$item,4);
2189: my ($tstart,$tend) = split(/:/,$roleshash{$item});
2190: my ($section,$group,@group_privs);
2191: if ($role =~ m{^gr/(\w*)$}) {
2192: $role = 'gr';
2193: my $priv = $1;
2194: next if ($tstart eq '-1');
2195: if (&curr_role_status($tstart,$tend,$refresh,$now) eq 'active') {
2196: if ($priv ne '') {
2197: push(@group_privs,$priv);
2198: }
2199: }
2200: if ($remainder =~ /:/) {
2201: (my $additional_privs,$group) =
2202: ($remainder =~ /^([\w:]+):([^:]+)$/);
2203: if ($additional_privs ne '') {
2204: if (&curr_role_status($tstart,$tend,$refresh,$now) eq 'active') {
2205: push(@group_privs,split(/:/,$additional_privs));
2206: @group_privs = sort(@group_privs);
2207: }
2208: }
2209: } else {
2210: $group = $remainder;
2211: }
2212: } else {
2213: $section = $remainder;
2214: }
2215: my $where = "/$udom/$uname";
2216: if ($section ne '') {
2217: $where .= "/$section";
2218: } elsif ($group ne '') {
2219: $where .= "/$group";
2220: }
2221: my $rolekey = "$role.$where";
2222: my $envkey = "user.role.$rolekey";
2223: $dbroles{$envkey} = 1;
2224: if (($env{'request.role'} eq $rolekey) && ($role ne 'st')) {
2225: if (&curr_role_status($tstart,$tend,$refresh,$now) ne 'active') {
2226: $currrole_expired = 1;
2227: }
2228: }
2229: if ($env{$envkey} eq '') {
2230: my $status_in_db =
2231: &curr_role_status($tstart,$tend,$now,$now);
2232: &gather_roleprivs(\%allroles,\%allgroups,\%userroles,$where,$role,$tstart,$tend,$status_in_db);
2233: if (($role eq 'st') && ($env{'request.role'} =~ m{^\Q$role\E\.\Q/$udom/$uname\E})) {
2234: if ($status_in_db eq 'active') {
2235: if ($section eq '') {
2236: push(@newsec,'none');
2237: } else {
2238: push(@newsec,$section);
2239: }
2240: }
2241: } else {
2242: unless (grep(/^\Q$role\E$/,@changed_roles)) {
2243: push(@changed_roles,$role);
2244: }
2245: if ($status_in_db ne 'previous') {
2246: if ($role eq 'gr') {
2247: $newgroup{$rolekey} = $status_in_db;
2248: if ($status_in_db eq 'active') {
2249: unless (ref($courseroles{$udom}) eq 'HASH') {
2250: %{$courseroles{$udom}} =
2251: &Apache::lonnet::get_my_roles('','','userroles',
2252: ['active'],\@possroles,
2253: [$udom],1);
2254: }
2255: &Apache::lonnet::get_groups_roles($udom,$uname,
2256: $courseroles{$udom},
2257: \@rolecodes,\%groups_roles);
2258: }
2259: } else {
2260: $newrole{$rolekey} = $status_in_db;
2261: }
2262: }
2263: }
2264: } else {
2265: my ($currstart,$currend) = split(/\./,$env{$envkey});
2266: if ($role eq 'gr') {
2267: if (&curr_role_status($currstart,$currend,$refresh,$update) ne 'previous') {
2268: $hasgroups = 1;
2269: }
2270: }
2271: if (($currstart ne $tstart) || ($currend ne $tend)) {
2272: my $status_in_env =
2273: &curr_role_status($currstart,$currend,$refresh,$update);
2274: my $status_in_db =
2275: &curr_role_status($tstart,$tend,$now,$now);
2276: if ($status_in_env ne $status_in_db) {
2277: if ($status_in_env eq 'active') {
2278: if ($role eq 'st') {
2279: if ($env{'request.role'} eq $rolekey) {
2280: my $switchsection;
2281: unless (ref($courseroles{$udom}) eq 'HASH') {
2282: %{$courseroles{$udom}} =
2283: &Apache::lonnet::get_my_roles('','','userroles',
2284: ['active'],
2285: \@possroles,[$udom],1);
2286: }
2287: foreach my $crsrole (keys(%{$courseroles{$udom}})) {
2288: if ($crsrole =~ /^\Q$uname\E:\Q$udom\E:st/) {
2289: $switchsection = 1;
2290: last;
2291: }
2292: }
2293: if ($switchsection) {
2294: if ($section eq '') {
2295: $oldsec = 'none';
2296: } else {
2297: $oldsec = $section;
2298: }
2299: &gather_roleprivs(\%allroles,\%allgroups,\%userroles,$where,$role,$tstart,$tend,$status_in_db);
2300: } else {
2301: $currrole_expired = 1;
2302: next;
2303: }
2304: }
2305: }
2306: unless ($rolekey eq $env{'request.role'}) {
2307: if ($role eq 'gr') {
2308: &Apache::lonnet::delete_env_groupprivs($where,\%courseroles,\@possroles);
2309: } else {
2310: &Apache::lonnet::delenv("user.priv.$rolekey",undef,[$role]);
2311: &Apache::lonnet::delenv("user.priv.cm.$where",undef,['cm']);
2312: }
2313: &gather_roleprivs(\%allroles,\%allgroups,\%userroles,$where,$role,$tstart,$tend,$status_in_db);
2314: }
2315: } elsif ($status_in_db eq 'active') {
2316: if (($role eq 'st') &&
2317: ($env{'request.role'} =~ m{^\Q$role\E\.\Q/$udom/$uname\E})) {
2318: if ($section eq '') {
2319: push(@newsec,'none');
2320: } else {
2321: push(@newsec,$section);
2322: }
2323: } elsif ($role eq 'gr') {
2324: unless (ref($courseroles{$udom}) eq 'HASH') {
2325: %{$courseroles{$udom}} =
2326: &Apache::lonnet::get_my_roles('','','userroles',
2327: ['active'],
2328: \@possroles,[$udom],1);
2329: }
2330: &Apache::lonnet::get_groups_roles($udom,$uname,
2331: $courseroles{$udom},
2332: \@rolecodes,\%groups_roles);
2333: }
2334: &gather_roleprivs(\%allroles,\%allgroups,\%userroles,$where,$role,$tstart,$tend,$status_in_db);
2335: }
2336: unless (grep(/^\Q$role\E$/,@changed_roles)) {
2337: push(@changed_roles,$role);
2338: }
2339: if ($role eq 'gr') {
2340: $groupchange{"/$udom/$uname"}{$group} = $status_in_db;
2341: } else {
2342: $rolechange{$rolekey} = $status_in_db;
2343: }
2344: }
2345: } else {
2346: if ($role eq 'gr') {
2347: unless ($checkedgroup{$where}) {
2348: my $status_in_db =
2349: &curr_role_status($tstart,$tend,$refresh,$now);
2350: if ($tstart eq '-1') {
2351: $status_in_db = 'deleted';
2352: }
2353: unless (ref($courseroles{$udom}) eq 'HASH') {
2354: %{$courseroles{$udom}} =
2355: &Apache::lonnet::get_my_roles('','','userroles',
2356: ['active'],
2357: \@possroles,[$udom],1);
2358: }
2359: if (ref($courseroles{$udom}) eq 'HASH') {
2360: foreach my $item (keys(%{$courseroles{$udom}})) {
2361: next unless ($item =~ /^\Q$uname\E/);
2362: my ($cnum,$cdom,$crsrole,$crssec) = split(/:/,$item);
2363: my $area = '/'.$cdom.'/'.$cnum;
2364: if ($crssec ne '') {
2365: $area .= '/'.$crssec;
2366: }
2367: my $crsrolekey = $crsrole.'.'.$area;
2368: my $currprivs = $env{'user.priv.'.$crsrole.'.'.$area.'.'.$where};
2369: $currprivs =~ s/^://;
2370: $currprivs =~ s/\&F$//;
2371: my @curr_grp_privs = split(/\&F:/,$currprivs);
2372: @curr_grp_privs = sort(@curr_grp_privs);
2373: my @diffs;
2374: if (@group_privs > 0 || @curr_grp_privs > 0) {
2375: @diffs = &Apache::loncommon::compare_arrays(\@group_privs,\@curr_grp_privs);
2376: }
2377: if (@diffs == 0) {
2378: last;
2379: } else {
2380: unless(grep(/^\Qgr\E$/,@rolecodes)) {
2381: push(@rolecodes,'gr');
2382: }
2383: &gather_roleprivs(\%allroles,\%allgroups,
2384: \%userroles,$where,$role,
2385: $tstart,$tend,$status_in_db);
2386: if ($status_in_db eq 'active') {
2387: &Apache::lonnet::get_groups_roles($udom,$uname,
2388: $courseroles{$udom},
2389: \@rolecodes,\%groups_roles);
2390: }
2391: $changed_groups{$udom.'_'.$uname}{$group} = $status_in_db;
2392: last;
2393: }
2394: }
2395: }
2396: $checkedgroup{$where} = 1;
2397: }
2398: } elsif ($role =~ /^cr/) {
2399: my $status_in_db =
2400: &curr_role_status($tstart,$tend,$refresh,$now);
2401: my ($rdummy,$rest) = split(/\//,$role,2);
2402: my %currpriv;
2403: unless (exists($crprivs{$rest})) {
2404: my ($rdomain,$rauthor,$rrole)=split(/\//,$rest);
2405: my $homsvr=&Apache::lonnet::homeserver($rauthor,$rdomain);
2406: if (&Apache::lonnet::hostname($homsvr) ne '') {
2407: my ($rdummy,$roledef)=
2408: &Apache::lonnet::get('roles',["rolesdef_$rrole"],
2409: $rdomain,$rauthor);
2410: if (($rdummy ne 'con_lost') && ($roledef ne '')) {
2411: my $i = 0;
2412: my @scopes = ('sys','dom','crs');
2413: my @privs = split(/\_/,$roledef);
2414: foreach my $priv (@privs) {
2415: my ($blank,@prv) = split(/:/,$priv);
2416: @prv = map { $_ .= (/\&\w+$/ ? '':'&F') } @prv;
2417: if (@prv) {
2418: $priv = ':'.join(':',sort(@prv));
2419: }
2420: $crprivs{$rest}{$scopes[$i]} = $priv;
2421: $i++;
2422: }
2423: }
2424: }
2425: }
2426: my $status_in_env =
2427: &curr_role_status($currstart,$currend,$refresh,$update);
2428: if ($status_in_env eq 'active') {
2429: $currpriv{sys} = $env{"user.priv.$rolekey./"};
2430: $currpriv{dom} = $env{"user.priv.$rolekey./$udom/"};
2431: $currpriv{crs} = $env{"user.priv.$rolekey.$where"};
2432: if (keys(%crprivs)) {
2433: if (($crprivs{$rest}{sys} ne $currpriv{sys}) ||
2434: ($crprivs{$rest}{dom} ne $currpriv{dom})
2435: ||
2436: ($crprivs{$rest}{crs} ne $currpriv{crs})) {
2437: &gather_roleprivs(\%allroles,\%allgroups,
2438: \%userroles,$where,$role,
2439: $tstart,$tend,$status_in_db);
2440: unless (grep(/^\Q$role\E$/,@changed_roles)) {
2441: push(@changed_roles,$role);
2442: }
2443: $customprivchg{$rolekey} = $status_in_env;
2444: }
2445: }
2446: }
2447: }
2448: }
2449: }
2450: }
2451: foreach my $envkey (keys(%env)) {
2452: next unless ($envkey =~ /^user\.role\./);
2453: next if ($dbroles{$envkey});
2454: next if ($envkey eq 'user.role.'.$env{'request.role'});
2455: my ($currstart,$currend) = split(/\./,$env{$envkey});
2456: my $status_in_env =
2457: &curr_role_status($currstart,$currend,$refresh,$update);
2458: my ($rolekey) = ($envkey =~ /^user\.role\.(.+)$/);
2459: my ($role,$rest)=split(m{\./},$rolekey,2);
2460: $rest = '/'.$rest;
2461: if (&Apache::lonnet::delenv($envkey,undef,[$role])) {
2462: if ($status_in_env eq 'active') {
2463: if ($role eq 'gr') {
2464: &Apache::lonnet::delete_env_groupprivs($rest,\%courseroles,
2465: \@possroles);
2466: } else {
2467: &Apache::lonnet::delenv("user.priv.$rolekey",undef,[$role]);
2468: &Apache::lonnet::delenv("user.priv.cm.$rest",undef,['cm']);
2469: }
2470: unless (grep(/^\Q$role\E$/,@changed_roles)) {
2471: push(@changed_roles,$role);
2472: }
2473: $deletedroles{$rolekey} = 1;
2474: }
2475: }
2476: }
2477: if (($oldsec) && (@newsec > 0)) {
2478: if (@newsec > 1) {
2479: $msg = '<p class="LC_warning">'.&mt('The section has changed for your current role. Log-out and log-in again to select a role for the new section.').'</p>';
2480: } else {
2481: my $newrole = $env{'request.role'};
2482: if ($newsec[0] eq 'none') {
2483: $newrole =~ s{(/[^/])$}{};
2484: } elsif ($oldsec eq 'none') {
2485: $newrole .= '/'.$newsec[0];
2486: } else {
2487: $newrole =~ s{([^/]+)$}{$newsec[0]};
2488: }
2489: my $coursedesc = $env{'course.'.$env{'request.course.id'}.'.description'};
2490: my ($curr_role) = ($env{'request.role'} =~ m{^(\w+)\./$match_domain/$match_courseid});
2491: my %temp=('logout_'.$env{'request.course.id'} => time);
2492: &Apache::lonnet::put('email_status',\%temp);
2493: &Apache::lonnet::delenv('user.state.'.$env{'request.course.id'});
2494: &Apache::lonnet::appenv({"request.course.id" => '',
2495: "request.course.fn" => '',
2496: "request.course.uri" => '',
2497: "request.course.sec" => '',
2498: "request.role" => 'cm',
2499: "request.role.adv" => $env{'user.adv'},
2500: "request.role.domain" => $env{'user.domain'}});
2501: my $rolename = &Apache::loncommon::plainname($curr_role);
2502: $msg = '<p><form name="reselectrole" action="/adm/roles" method="post" />'.
2503: '<input type="hidden" name="newrole" value="" />'.
2504: '<input type="hidden" name="selectrole" value="1" />'.
2505: '<span class="LC_info">'.
2506: &mt('Your section has changed for your current [_1] role in [_2].',$rolename,$coursedesc).'</span><br />';
2507: my $button = '<input type="button" name="sectionchanged" value="'.
2508: &mt('Re-Select').'" onclick="javascript:enterrole(this.form,'."'$newrole','sectionchanged'".')" />';
2509: if ($newsec[0] eq 'none') {
2510: $msg .= &mt('[_1] to continue with your new section-less role.',$button);
2511: } else {
2512: $msg .= &mt('[_1] to continue with your new role in section ([_2]).',$button,$newsec[0]);
2513: }
2514: $msg .= '</form></p>';
2515: }
2516: } elsif ($currrole_expired) {
2517: $msg .= '<p class="LC_warning">';
2518: if (&Apache::loncommon::show_course()) {
2519: $msg .= &mt('Your role in the current course has expired.');
2520: } else {
2521: $msg .= &mt('Your current role has expired.');
2522: }
2523: $msg .= '<br />'.&mt('However you can continue to use this role until you logout, click the "Re-Select" button, or your session has been idle for more than 24 hours.').'</p>';
2524: }
2525: &Apache::lonnet::set_userprivs(\%userroles,\%allroles,\%allgroups,\%groups_roles);
2526: my ($curr_is_adv,$curr_role_adv,$curr_author,$curr_role_author);
2527: $curr_author = $env{'user.author'};
2528: if (($env{'request.role'} =~/^au/) || ($env{'request.role'} =~/^ca/) ||
2529: ($env{'request.role'} =~/^aa/)) {
2530: $curr_role_author=1;
2531: }
2532: $curr_is_adv = $env{'user.adv'};
2533: $curr_role_adv = $env{'request.role.adv'};
2534: if (keys(%userroles) > 0) {
2535: foreach my $role (@changed_roles) {
2536: unless(grep(/^\Q$role\E$/,@rolecodes)) {
2537: push(@rolecodes,$role);
2538: }
2539: }
2540: unless(grep(/^\Qcm\E$/,@rolecodes)) {
2541: push(@rolecodes,'cm');
2542: }
2543: &Apache::lonnet::appenv(\%userroles,\@rolecodes);
2544: }
2545: my %newenv;
2546: if (&Apache::lonnet::is_advanced_user($env{'user.domain'},$env{'user.name'})) {
2547: unless ($curr_is_adv) {
2548: $newenv{'user.adv'} = 1;
2549: }
2550: } elsif ($curr_is_adv && !$curr_role_adv) {
2551: &Apache::lonnet::delenv('user.adv');
2552: }
2553: my %authorroleshash =
2554: &Apache::lonnet::get_my_roles('','','userroles',['active'],['au','ca','aa']);
2555: if (keys(%authorroleshash)) {
2556: unless ($curr_author) {
2557: $newenv{'user.author'} = 1;
2558: }
2559: } elsif ($curr_author && !$curr_role_author) {
2560: &Apache::lonnet::delenv('user.author');
2561: }
2562: if ($env{'request.course.id'}) {
2563: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
2564: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
2565: my (@activecrsgroups,$crsgroupschanged);
2566: if ($env{'request.course.groups'}) {
2567: @activecrsgroups = split(/:/,$env{'request.course.groups'});
2568: foreach my $item (keys(%deletedroles)) {
2569: if ($item =~ m{^gr\./\Q$cdom\E/\Q$cnum\E/(\w+)$}) {
2570: if (grep(/^\Q$1\E$/,@activecrsgroups)) {
2571: $crsgroupschanged = 1;
2572: last;
2573: }
2574: }
2575: }
2576: }
2577: unless ($crsgroupschanged) {
2578: foreach my $item (keys(%newgroup)) {
2579: if ($item =~ m{^gr\./\Q$cdom\E/\Q$cnum\E/(\w+)$}) {
2580: if ($newgroup{$item} eq 'active') {
2581: $crsgroupschanged = 1;
2582: last;
2583: }
2584: }
2585: }
2586: }
2587: if ((ref($changed_groups{$env{'request.course.id'}}) eq 'HASH') ||
2588: (ref($groupchange{"/$cdom/$cnum"}) eq 'HASH') ||
2589: ($crsgroupschanged)) {
2590: my %grouproles = &Apache::lonnet::get_my_roles('','','userroles',
2591: ['active'],['gr'],[$cdom],1);
2592: my @activegroups;
2593: foreach my $item (keys(%grouproles)) {
2594: next unless($item =~ /^\Q$cnum\E:\Q$cdom\E/);
2595: my $group;
2596: my ($crsn,$crsd,$role,$remainder) = split(/:/,$item,4);
2597: if ($remainder =~ /:/) {
2598: (my $other,$group) = ($remainder =~ /^([\w:]+):([^:]+)$/);
2599: } else {
2600: $group = $remainder;
2601: }
2602: if ($group ne '') {
2603: push(@activegroups,$group);
2604: }
2605: }
2606: $newenv{'request.course.groups'} = join(':',@activegroups);
2607: }
2608: }
2609: if (keys(%newenv)) {
2610: &Apache::lonnet::appenv(\%newenv);
2611: }
2612: if (!@changed_roles || !(keys(%changed_groups))) {
2613: my ($rolesmsg,$groupsmsg);
2614: if (!@changed_roles) {
2615: if (&Apache::loncommon::show_course()) {
2616: $rolesmsg = &mt('No new courses or communities');
2617: } else {
2618: $rolesmsg = &mt('No role changes');
2619: }
2620: }
2621: if ($hasgroups && !(keys(%changed_groups)) && !(grep(/gr/,@changed_roles))) {
2622: $groupsmsg = &mt('No changes in course/community groups');
2623: }
2624: if (!@changed_roles && !(keys(%changed_groups))) {
2625: if (($msg ne '') || ($groupsmsg ne '')) {
2626: $msg .= '<ul>';
2627: if ($rolesmsg) {
2628: $msg .= '<li>'.$rolesmsg.'</li>';
2629: }
2630: if ($groupsmsg) {
2631: $msg .= '<li>'.$groupsmsg.'</li>';
2632: }
2633: $msg .= '</ul>';
2634: } else {
2635: $msg = ' <span class="LC_cusr_emph">'.$rolesmsg.'</span><br />';
2636: }
2637: return $msg;
2638: }
2639: }
2640: my $changemsg;
2641: if (@changed_roles > 0) {
2642: if (keys(%newgroup) > 0) {
2643: my $groupmsg;
2644: my (%curr_groups,%groupdescs,$currcrs);
2645: foreach my $item (sort(keys(%newgroup))) {
2646: if (&is_active_course($item,$refresh,$update,\%roleshash)) {
2647: if ($item =~ m{^gr\./($match_domain/$match_courseid)/(\w+)$}) {
2648: my ($cdom,$cnum) = split(/\//,$1);
2649: my $group = $2;
2650: if ($currcrs ne $cdom.'_'.$cnum) {
2651: if ($currcrs) {
2652: $groupmsg .= '</ul><li>';
2653: }
2654: $groupmsg .= '<li><b>'.
2655: $env{'course.'.$cdom.'_'.$cnum.'.description'}.'</b><ul>';
2656: $currcrs = $cdom.'_'.$cnum;
2657: }
2658: my $groupdesc;
2659: unless (ref($curr_groups{$cdom.'_'.$cnum}) eq 'HASH') {
2660: %{$curr_groups{$cdom.'_'.$cnum}} =
2661: &Apache::longroup::coursegroups($cdom,$cnum);
2662: }
2663: unless ((ref($groupdescs{$cdom.'_'.$cnum}) eq 'HASH') &&
2664: ($groupdescs{$cdom.'_'.$cnum}{$group})) {
2665:
2666: my %groupinfo =
2667: &Apache::longroup::get_group_settings($curr_groups{$cdom.'_'.$cnum}{$group});
2668: $groupdescs{$cdom.'_'.$cnum}{$group} =
2669: &unescape($groupinfo{'description'});
2670: }
2671: $groupdesc = $groupdescs{$cdom.'_'.$cnum}{$group};
2672: if ($groupdesc) {
2673: $groupmsg .= '<li>'.
2674: &mt('[_1] with status: [_2].',
2675: '<b>'.$groupdesc.'</b>',$newgroup{$item}).'</li>';
2676: }
2677: }
2678: }
2679: if ($groupmsg) {
2680: $groupmsg .= '</ul></li>';
2681: }
2682: }
2683: if ($groupmsg) {
2684: $changemsg .= '<li>'.
2685: &mt('Courses with new groups').'</li>'.
2686: '<ul>'.$groupmsg.'</ul></li>';
2687: }
2688: }
2689: if (keys(%newrole) > 0) {
2690: my $newmsg;
2691: foreach my $item (sort(keys(%newrole))) {
2692: my $desc = &role_desc($item,$update,$refresh,$now);
2693: if ($desc) {
2694: $newmsg .= '<li>'.
2695: &mt('[_1] with status: [_2].',
2696: $desc,&mt($newrole{$item})).'</li>';
2697: }
2698: }
2699: if ($newmsg) {
2700: $changemsg .= '<li>'.&mt('New roles').
2701: '<ul>'.$newmsg.'</ul>'.
2702: '</li>';
2703: }
2704: }
2705: if (keys(%customprivchg) > 0) {
2706: my $privmsg;
2707: foreach my $item (sort(keys(%customprivchg))) {
2708: my $desc = &role_desc($item,$update,$refresh,$now);
2709: if ($desc) {
2710: $privmsg .= '<li>'.$desc.'</li>';
2711: }
2712: }
2713: if ($privmsg) {
2714: $changemsg .= '<li>'.
2715: &mt('Custom roles with privilege changes').
2716: '<ul>'.$privmsg.'</ul>'.
2717: '</li>';
2718: }
2719: }
2720: if (keys(%rolechange) > 0) {
2721: my $rolemsg;
2722: foreach my $item (sort(keys(%rolechange))) {
2723: my $desc = &role_desc($item,$update,$refresh,$now);
2724: if ($desc) {
2725: $rolemsg .= '<li>'.
2726: &mt('[_1] status now: [_2].',$desc,
2727: $rolechange{$item}).'</li>';
2728: }
2729: }
2730: if ($rolemsg) {
2731: $changemsg .= '<li>'.
2732: &mt('Existing roles with status changes').'</li>'.
2733: '<ul>'.$rolemsg.'</ul>'.
2734: '</li>';
2735: }
2736: }
2737: if (keys(%deletedroles) > 0) {
2738: my $delmsg;
2739: foreach my $item (sort(keys(%deletedroles))) {
2740: my $desc = &role_desc($item,$update,$refresh,$now);
2741: if ($desc) {
2742: $delmsg .= '<li>'.$desc.'</li>';
2743: }
2744: }
2745: if ($delmsg) {
2746: $changemsg .= '<li>'.
2747: &mt('Existing roles now expired').'</li>'.
2748: '<ul>'.$delmsg.'</ul>'.
2749: '</li>';
2750: }
2751: }
2752: }
2753: if ((keys(%changed_groups) > 0) || (keys(%groupchange) > 0)) {
2754: my $groupchgmsg;
2755: foreach my $key (sort(keys(%changed_groups))) {
2756: my $crs = 'gr/'.$key;
2757: $crs =~ s/_/\//;
2758: if (&is_active_course($crs,$refresh,$update,\%roleshash)) {
2759: if (ref($changed_groups{$key}) eq 'HASH') {
2760: my @showgroups;
2761: foreach my $group (sort(keys(%{$changed_groups{$key}}))) {
2762: if ($changed_groups{$key}{$group} eq 'active') {
2763: push(@showgroups,$group);
2764: }
2765: }
2766: if (@showgroups > 0) {
2767: $groupchgmsg .= '<li>'.
2768: &mt('Course: [_1], groups: [_2].',$key,
2769: join(', ',@showgroups)).
2770: '</li>';
2771: }
2772: }
2773: }
2774: }
2775: if (keys(%groupchange) > 0) {
2776: $groupchgmsg .= '<li>'.
2777: &mt('Existing course/community groups with status changes').'</li>'.
2778: '<ul>';
2779: foreach my $crs (sort(keys(%groupchange))) {
2780: my $cid = $crs;
2781: $cid=~s{^/}{};
2782: $cid=~s{/}{_};
2783: my $crsdesc = $env{'course.'.$cid.'.description'};
2784: my $cdom = $env{'course.'.$cid.'.domain'};
2785: my $cnum = $env{'course.'.$cid.'.num'};
2786: my %curr_groups = &Apache::longroup::coursegroups($cdom,$cnum);
2787: my %groupdesc;
2788: if (ref($groupchange{$crs}) eq 'HASH') {
2789: $groupchgmsg .= '<li>'.&mt('Course/Community: [_1]','<b>'.$crsdesc.'</b><ul>');
2790: foreach my $group (sort(keys(%{$groupchange{$crs}}))) {
2791: unless ($groupdesc{$group}) {
2792: my %groupinfo = &Apache::longroup::get_group_settings($curr_groups{$group});
2793: $groupdesc{$group} = &unescape($groupinfo{'description'});
2794: }
2795: $groupchgmsg .= '<li>'.&mt('Group: [_1] status now: [_2].','<b>'.$groupdesc{$group}.'</b>',$groupchange{$crs}{$group}).'</li>';
2796: }
2797: $groupchgmsg .= '</ul></li>';
2798: }
2799: }
2800: $groupchgmsg .= '</ul></li>';
2801: }
2802: if ($groupchgmsg) {
2803: $changemsg .= '<li>'.
2804: &mt('Courses with changes in groups').'</li>'.
2805: '<ul>'.$groupchgmsg.'</ul></li>';
2806: }
2807: }
2808: if ($changemsg) {
2809: $msg .= '<ul>'.$changemsg.'</ul>';
2810: } else {
2811: if (&Apache::loncommon::show_course()) {
2812: $msg = &mt('No new courses or communities');
2813: } else {
2814: $msg = &mt('No role changes');
2815: }
2816: }
2817: return $msg;
2818: }
2819:
2820: sub role_desc {
2821: my ($item,$update,$refresh,$now) = @_;
2822: my ($where,$trolecode,$role,$tstatus,$tend,$tstart,$twhere,
2823: $trole,$tremark);
2824: &Apache::lonnet::role_status('user.role.'.$item,$update,$refresh,
2825: $now,\$role,\$where,\$trolecode,
2826: \$tstatus,\$tstart,\$tend);
2827: return unless ($role);
2828: if ($role =~ /^cr\//) {
2829: my ($rdummy,$rdomain,$rauthor,$rrole)=split(/\//,$role);
2830: $tremark = &mt('Custom role defined by [_1].',$rauthor.':'.$rdomain);
2831: }
2832: $trole=Apache::lonnet::plaintext($role);
2833: my ($tdom,$trest,$tsection)=
2834: split(/\//,Apache::lonnet::declutter($where));
2835: if (($role eq 'ca') || ($role eq 'aa')) {
2836: my $home = &Apache::lonnet::homeserver($trest,$tdom);
2837: $home = &Apache::lonnet::hostname($home);
2838: $twhere=&mt('User').': '.$trest.' '.&mt('Domain').
2839: ': '.$tdom.' '.&mt('Server').': '.$home;
2840: } elsif ($role eq 'au') {
2841: my $home = &Apache::lonnet::homeserver
2842: ($env{'user.name'},$env{'user.domain'});
2843: $home = &Apache::lonnet::hostname($home);
2844: $twhere=&mt('Domain').': '.$tdom.' '.&mt('Server').
2845: ': '.$home;
2846: } elsif ($trest) {
2847: my $tcourseid=$tdom.'_'.$trest;
2848: my $crstype = &Apache::loncommon::course_type($tcourseid);
2849: $trole = &Apache::lonnet::plaintext($role,$crstype,$tcourseid);
2850: if ($env{'course.'.$tcourseid.'.description'}) {
2851: $twhere=$env{'course.'.$tcourseid.'.description'};
2852: } else {
2853: my %newhash=&Apache::lonnet::coursedescription($tcourseid);
2854: if (%newhash) {
2855: $twhere=$newhash{'description'};
2856: } else {
2857: $twhere=&mt('Currently not available');
2858: }
2859: }
2860: if ($tsection) {
2861: $twhere.= ' '.&mt('Section').': '.$tsection;
2862: }
2863: if ($role ne 'st') {
2864: $twhere.= ' '.&mt('Domain').': '.$tdom;
2865: }
2866: } elsif ($tdom) {
2867: $twhere = &mt('Domain').': '.$tdom;
2868: }
2869: my $output;
2870: if ($trole) {
2871: $output = $trole;
2872: if ($twhere) {
2873: $output .= " -- $twhere";
2874: }
2875: if ($tremark) {
2876: $output .= '<br />'.$tremark;
2877: }
2878: }
2879: return $output;
2880: }
2881:
2882: sub curr_role_status {
2883: my ($start,$end,$refresh,$update) = @_;
2884: if (($start) && ($start<0)) { return 'deleted' };
2885: my $status = 'active';
2886: if (($end) && ($end<=$update)) {
2887: $status = 'previous';
2888: }
2889: if (($start) && ($refresh<$start)) {
2890: $status = 'future';
2891: }
2892: return $status;
2893: }
2894:
2895: sub gather_roleprivs {
2896: my ($allroles,$allgroups,$userroles,$area,$role,$tstart,$tend,$status) = @_;
2897: return unless ((ref($allroles) eq 'HASH') && (ref($allgroups) eq 'HASH') && (ref($userroles) eq 'HASH'));
2898: if (($area ne '') && ($role ne '')) {
2899: &Apache::lonnet::userrolelog($role,$env{'user.name'},$env{'user.domain'},
2900: $area,$tstart,$tend);
2901: my $spec=$role.'.'.$area;
2902: $userroles->{'user.role.'.$spec} = $tstart.'.'.$tend;
2903: my ($tdummy,$tdomain,$trest)=split(/\//,$area);
2904: if ($status eq 'active') {
2905: if ($role =~ /^cr\//) {
2906: &Apache::lonnet::custom_roleprivs($allroles,$role,$tdomain,$trest,$spec,$area);
2907: } elsif ($role eq 'gr') {
2908: my %rolehash = &Apache::lonnet::get('roles',[$area.'_'.$role],
2909: $env{'user.domain'},
2910: $env{'user.name'});
2911: my ($trole) = split(/_/,$rolehash{$area.'_'.$role},2);
2912: (undef,my $group_privs) = split(/\//,$trole);
2913: $group_privs = &unescape($group_privs);
2914: &Apache::lonnet::group_roleprivs($allgroups,$area,$group_privs,$tend,$tstart);
2915: } else {
2916: &Apache::lonnet::standard_roleprivs($allroles,$role,$tdomain,$spec,$trest,$area);
2917: }
2918: }
2919: }
2920: return;
2921: }
2922:
2923: sub is_active_course {
2924: my ($rolekey,$refresh,$update,$roleshashref) = @_;
2925: return unless(ref($roleshashref) eq 'HASH');
2926: my ($role,$cdom,$cnum) = split(/\//,$rolekey);
2927: my $is_active;
2928: foreach my $key (keys(%{$roleshashref})) {
2929: if ($key =~ /^\Q$cnum\E:\Q$cdom\E:/) {
2930: my ($tstart,$tend) = split(/:/,$roleshashref->{$key});
2931: my $status = &curr_role_status($tstart,$tend,$refresh,$update);
2932: if ($status eq 'active') {
2933: $is_active = 1;
2934: last;
2935: }
2936: }
2937: }
2938: return $is_active;
2939: }
2940:
2941: sub get_roles_functions {
2942: my ($rolescount,$cattype) = @_;
2943: my @links;
2944: push(@links,["javascript:rolesView('doupdate');",'start-here-22x22',&mt('Check for changes')]);
2945: if ($env{'environment.canrequest.author'}) {
2946: unless (&Apache::loncoursequeueadmin::is_active_author()) {
2947: push(@links,["javascript:rolesView('requestauthor');",'list-add-22x22',&mt('Request author role')]);
2948: }
2949: }
2950: if (($rolescount > 3) || ($env{'environment.recentroles'})) {
2951: push(@links,['/adm/preferences?action=changerolespref&returnurl=/adm/roles','role_hotlist-22x22',&mt('Hotlist')]);
2952: }
2953: if (&Apache::lonmenu::check_for_rcrs()) {
2954: push(@links,['/adm/requestcourse','rcrs-22x22',&mt('Request course')]);
2955: }
2956: if ($env{'form.state'} eq 'queued') {
2957: push(@links,["javascript:rolesView('noqueued');",'selfenrl-queue-22x22',&mt('Hide queued')]);
2958: } else {
2959: push(@links,["javascript:rolesView('queued');",'selfenrl-queue-22x22',&mt('Show queued')]);
2960: }
2961: if ($env{'user.adv'}) {
2962: if ($env{'form.display'} eq 'showall') {
2963: push(@links,["javascript:rolesView('noshowall');",'edit-redo-22x22',&mt('Exclude expired')]);
2964: } else {
2965: push(@links,["javascript:rolesView('showall');",'edit-undo-22x22',&mt('Include expired')]);
2966: }
2967: }
2968: unless ($cattype eq 'none') {
2969: push(@links,['/adm/coursecatalog','ccat-22x22',&mt('Course catalog')]);
2970: }
2971: my $funcs;
2972: if ($env{'browser.mobile'}) {
2973: my @functions;
2974: foreach my $link (@links) {
2975: push(@functions,[$link->[0],$link->[2]]);
2976: }
2977: my $title = 'Display options';
2978: if ($env{'user.adv'}) {
2979: $title = 'Roles options';
2980: }
2981: $funcs = &Apache::lonmenu::create_submenu('','',$title,\@functions,1,'LC_breadcrumbs_hoverable');
2982: $funcs = '<ol class="LC_primary_menu LC_floatright">'.$funcs.'</ol>';
2983: } else {
2984: $funcs = &Apache::lonhtmlcommon::start_funclist();
2985: foreach my $link (@links) {
2986: $funcs .= &Apache::lonhtmlcommon::add_item_funclist(
2987: '<a href="'.$link->[0].'" class="LC_menubuttons_link">'.
2988: '<img src="/res/adm/pages/'.$link->[1].'.png" class="LC_icon" alt="'.$link->[2].'" />'.
2989: $link->[2].'</a>');
2990: }
2991: $funcs .= &Apache::lonhtmlcommon::end_funclist();
2992: $funcs = &Apache::loncommon::head_subbox($funcs);
2993: }
2994: return $funcs;
2995: }
2996:
2997: sub get_queued {
2998: my ($output,%reqcrs);
2999: my ($types,$typenames) = &Apache::loncommon::course_types();
3000: my %statusinfo = &Apache::lonnet::dump('courserequests',$env{'user.domain'},
3001: $env{'user.name'},'^status:');
3002: foreach my $key (keys(%statusinfo)) {
3003: next unless (($statusinfo{$key} eq 'approval') || ($statusinfo{$key} eq 'pending'));
3004: (undef,my($cdom,$cnum)) = split(/:/,$key);
3005: my $requestkey = $cdom.'_'.$cnum;
3006: if ($requestkey =~ /^($match_domain)_($match_courseid)$/) {
3007: my %history = &Apache::lonnet::restore($requestkey,'courserequests',
3008: $env{'user.domain'},$env{'user.name'});
3009: next if ((exists($history{'status'})) && ($history{'status'} eq 'created'));
3010: my $reqtime = $history{'reqtime'};
3011: my $lastupdate = $history{'timestamp'};
3012: my $showtype = $history{'crstype'};
3013: if (defined($typenames->{$history{'crstype'}})) {
3014: $showtype = $typenames->{$history{'crstype'}};
3015: }
3016: my $description;
3017: if (ref($history{'details'}) eq 'HASH') {
3018: $description = $history{details}{'cdescr'};
3019: }
3020: @{$reqcrs{$reqtime}} = ($description,$showtype);
3021: }
3022: }
3023: my @sortedtimes = sort {$a <=> $b} (keys(%reqcrs));
3024: if (@sortedtimes > 0) {
3025: $output .= '<p><b>'.&mt('Course/Community requests').'</b><br />'.
3026: &Apache::loncommon::start_data_table().
3027: &Apache::loncommon::start_data_table_header_row().
3028: '<th>'.&mt('Date requested').'</th>'.
3029: '<th>'.&mt('Course title').'</th>'.
3030: '<th>'.&mt('Course type').'</th>';
3031: &Apache::loncommon::end_data_table_header_row();
3032: foreach my $reqtime (@sortedtimes) {
3033: next unless (ref($reqcrs{$reqtime}) eq 'ARRAY');
3034: $output .= &Apache::loncommon::start_data_table_row().
3035: '<td>'.&Apache::lonlocal::locallocaltime($reqtime).'</td>'.
3036: '<td>'.join('</td><td>',@{$reqcrs{$reqtime}}).'</td>'.
3037: &Apache::loncommon::end_data_table_row();
3038: }
3039: $output .= &Apache::loncommon::end_data_table().
3040: '<br /></p>';
3041: }
3042: my $queuedselfenroll = &Apache::loncoursequeueadmin::queued_selfenrollment(1);
3043: if ($queuedselfenroll) {
3044: $output .= '<p><b>'.&mt('Enrollment requests').'</b><br />'.
3045: $queuedselfenroll.'<br /></p>';
3046: }
3047: if ($env{'environment.canrequest.author'}) {
3048: unless (&Apache::loncoursequeueadmin::is_active_author()) {
3049: my $requestauthor;
3050: my ($status,$timestamp) = split(/:/,$env{'environment.requestauthorqueued'});
3051: if (($status eq 'approval') || ($status eq 'approved')) {
3052: $output .= '<p><b>'.&mt('Author role request').'</b><br />';
3053: if ($status eq 'approval') {
3054: $output .= &mt('A request for Authoring Space submitted on [_1] is awaiting approval',
3055: &Apache::lonlocal::locallocaltime($timestamp));
3056: } elsif ($status eq 'approved') {
3057: my %roleshash =
3058: &Apache::lonnet::get_my_roles($env{'user.name'},$env{'user.domain'},'userroles',
3059: ['active'],['au'],[$env{'user.domain'}]);
3060: if (keys(%roleshash)) {
3061: $output .= '<span class="LC_info">'.
3062: &mt('Your request for an author role has been approved.').'<br />'.
3063: &mt('Use the "Check for changes" link to update your list of roles.').
3064: '</span>';
3065: }
3066: }
3067: $output .= '</p>';
3068: }
3069: }
3070: }
3071: unless ($output) {
3072: if ($env{'environment.canrequest.author'} || $env{'environment.canrequest.official'} ||
3073: $env{'environment.canrequest.unofficial'} || $env{'environment.canrequest.community'}) {
3074: $output = &mt('No requests for courses, communities or authoring currently queued');
3075: } else {
3076: $output = &mt('No enrollment requests currently queued awaiting approval');
3077: }
3078: }
3079: return '<div class="LC_left_float"><fieldset><legend>'.&mt('Queued requests').'</legend>'.
3080: $output.'</fieldset></div><br clear="all" />';
3081: }
3082:
3083: 1;
3084: __END__
3085:
3086: =head1 NAME
3087:
3088: Apache::lonroles - User Roles Screen
3089:
3090: =head1 SYNOPSIS
3091:
3092: Invoked by /etc/httpd/conf/srm.conf:
3093:
3094: <Location /adm/roles>
3095: PerlAccessHandler Apache::lonacc
3096: SetHandler perl-script
3097: PerlHandler Apache::lonroles
3098: ErrorDocument 403 /adm/login
3099: ErrorDocument 500 /adm/errorhandler
3100: </Location>
3101:
3102: =head1 OVERVIEW
3103:
3104: =head2 Choosing Roles
3105:
3106: C<lonroles> is a handler that allows a user to switch roles in
3107: mid-session. LON-CAPA attempts to work with "No Role Specified", the
3108: default role that a user has before selecting a role, as widely as
3109: possible, but certain handlers for example need specification which
3110: course they should act on, etc. Both in this scenario, and when the
3111: handler determines via C<lonnet>'s C<&allowed> function that a certain
3112: action is not allowed, C<lonroles> is used as error handler. This
3113: allows the user to select another role which may have permission to do
3114: what they were trying to do.
3115:
3116: =begin latex
3117:
3118: \begin{figure}
3119: \begin{center}
3120: \includegraphics[width=0.45\paperwidth,keepaspectratio]{Sample_Roles_Screen}
3121: \caption{\label{Sample_Roles_Screen}Sample Roles Screen}
3122: \end{center}
3123: \end{figure}
3124:
3125: =end latex
3126:
3127: =head2 Role Initialization
3128:
3129: The privileges for a user are established at login time and stored in the session environment. As a consequence, a new role does not become active till the next login. Handlers are able to query for privileges using C<lonnet>'s C<&allowed> function. When a user first logs in, their role is the "common" role, which means that they have the sum of all of their privileges. During a session it might become necessary to choose a particular role, which as a consequence also limits the user to only the privileges in that particular role.
3130:
3131: =head1 INTRODUCTION
3132:
3133: This module enables a user to select what role he wishes to
3134: operate under (instructor, student, teaching assistant, course
3135: coordinator, etc). These roles are pre-established by the actions
3136: of upper-level users.
3137:
3138: This is part of the LearningOnline Network with CAPA project
3139: described at http://www.lon-capa.org.
3140:
3141: =head1 HANDLER SUBROUTINE
3142:
3143: This routine is called by Apache and mod_perl.
3144:
3145: =over 4
3146:
3147: =item *
3148:
3149: Roles Initialization (yes/no)
3150:
3151: =item *
3152:
3153: Get Error Message from Environment
3154:
3155: =item *
3156:
3157: Who is this?
3158:
3159: =item *
3160:
3161: Generate Page Output
3162:
3163: =item *
3164:
3165: Choice or no choice
3166:
3167: =item *
3168:
3169: Table
3170:
3171: =item *
3172:
3173: Privileges
3174:
3175: =back
3176:
3177: =cut
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