1: # The LearningOnline Network with CAPA
2: # User Roles Screen
3: #
4: # $Id: lonroles.pm,v 1.269.2.37 2020/02/04 01:55:50 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 GDBM_File;
144: use LONCAPA qw(:DEFAULT :match);
145: use HTML::Entities;
146:
147:
148: sub redirect_user {
149: my ($r,$title,$url,$msg) = @_;
150: $msg = $title if (! defined($msg));
151: &Apache::loncommon::content_type($r,'text/html');
152: &Apache::loncommon::no_cache($r);
153: $r->send_http_header;
154: my $swinfo=&Apache::lonmenu::rawconfig();
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: <script type="text/javascript">
170: // <![CDATA[
171: $swinfo
172: // ]]>
173: </script>
174: <p>$msg</p>
175: $end_page
176: ENDREDIR
177: return;
178: }
179:
180: sub error_page {
181: my ($r,$error,$dest)=@_;
182: &Apache::loncommon::content_type($r,'text/html');
183: &Apache::loncommon::no_cache($r);
184: $r->send_http_header;
185: return OK if $r->header_only;
186: # Breadcrumbs
187: my $brcrum = [{'href' => $dest,
188: 'text' => 'Problems during Course Initialization'},];
189: $r->print(&Apache::loncommon::start_page('Problems during Course Initialization',
190: undef,
191: {'bread_crumbs' => $brcrum,})
192: );
193: $r->print(
194: '<script type="text/javascript">'.
195: '// <![CDATA['.
196: &Apache::lonmenu::rawconfig().
197: '// ]]>'.
198: '</script>'.
199: '<p class="LC_error">'.&mt('The following problems occurred:').
200: '<br />'.
201: $error.
202: '</p><br /><a href="'.$dest.'">'.&mt('Continue').'</a>'
203: );
204: $r->print(&Apache::loncommon::end_page());
205: }
206:
207: sub handler {
208:
209: my $r = shift;
210:
211: # Check for critical messages and redirect if present.
212: my ($redirect,$url) = &Apache::loncommon::critical_redirect(300);
213: if ($redirect) {
214: &Apache::loncommon::content_type($r,'text/html');
215: $r->header_out(Location => $url);
216: return REDIRECT;
217: }
218:
219: my $now=time;
220: my $then=$env{'user.login.time'};
221: my $refresh=$env{'user.refresh.time'};
222: my $update=$env{'user.update.time'};
223: if (!$refresh) {
224: $refresh = $then;
225: }
226: if (!$update) {
227: $update = $then;
228: }
229:
230: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'});
231:
232: # -------------------------------------------------- Check if setting hot list
233: my $hotlist;
234: if ($env{'form.action'} eq 'verify_and_change_rolespref') {
235: $hotlist = &Apache::lonpreferences::verify_and_change_rolespref($r);
236: }
237:
238: # -------------------------------------------------------- Check for new roles
239: my $updateresult;
240: if ($env{'form.state'} eq 'doupdate') {
241: my $show_course=&Apache::loncommon::show_course();
242: my $checkingtxt;
243: if ($show_course) {
244: $checkingtxt = &mt('Checking for new courses ...');
245: } else {
246: $checkingtxt = &mt('Checking for new roles ...');
247: }
248: $updateresult = $checkingtxt;
249: $updateresult .= &update_session_roles();
250: &Apache::lonnet::appenv({'user.update.time' => $now});
251: $update = $now;
252: &Apache::loncoursequeueadmin::reqauthor_check();
253: }
254:
255: # -------------------------------------------------- Check for author requests
256: my $reqauthor;
257: if ($env{'form.state'} eq 'requestauthor') {
258: $reqauthor = &Apache::loncoursequeueadmin::process_reqauthor(\$update);
259: }
260:
261: my $envkey;
262: my %dcroles = ();
263: my %helpdeskroles = ();
264: my ($numdc,$numhelpdesk,$numadhoc) =
265: &check_for_adhoc(\%dcroles,\%helpdeskroles,$update,$then);
266: my $loncaparev = $r->dir_config('lonVersion');
267:
268: # ================================================================== Roles Init
269: if ($env{'form.selectrole'}) {
270:
271: my $locknum=&Apache::lonnet::get_locks();
272: if ($locknum) { return 409; }
273:
274: my $custom_adhoc;
275: if ($env{'form.newrole'}) {
276: $env{'form.'.$env{'form.newrole'}}=1;
277: # Check if this is a Domain Helpdesk or Domain Helpdesk Assistant role trying to enter a course
278: if ($env{'form.newrole'} =~ m{^cr/($match_domain)/\1\-domainconfig/\w+\./\1/$match_courseid$}) {
279: if ($helpdeskroles{$1}) {
280: $custom_adhoc = 1;
281: }
282: }
283: }
284: if ($env{'request.course.id'}) {
285: # Check if user is CC trying to select a course role
286: if ($env{'form.switchrole'}) {
287: my $switch_is_active;
288: if (defined($env{'user.role.'.$env{'form.switchrole'}})) {
289: my ($start,$end) = split(/\./,$env{'user.role.'.$env{'form.switchrole'}});
290: if (!$end || $end > $now) {
291: if (!$start || $start < $update) {
292: $switch_is_active = 1;
293: }
294: }
295: }
296: unless ($switch_is_active) {
297: &adhoc_course_role($refresh,$update,$then);
298: }
299: }
300: my %temp=('logout_'.$env{'request.course.id'} => time);
301: &Apache::lonnet::put('email_status',\%temp);
302: &Apache::lonnet::delenv('user.state.'.$env{'request.course.id'});
303: }
304: &Apache::lonnet::appenv({"request.course.id" => '',
305: "request.course.fn" => '',
306: "request.course.uri" => '',
307: "request.course.sec" => '',
308: "request.course.tied" => '',
309: "request.course.timechecked" => '',
310: "request.role" => 'cm',
311: "request.role.adv" => $env{'user.adv'},
312: "request.role.domain" => $env{'user.domain'}});
313: # Check if Domain Helpdesk role trying to enter a course needs privs to be created
314: if ($env{'form.newrole'} =~ m{^cr/($match_domain)/\1\-domainconfig/(\w+)\./\1/($match_courseid)(?:/(\w+)|$)}) {
315: my $cdom = $1;
316: my $rolename = $2;
317: my $cnum = $3;
318: my $sec = $4;
319: if ($custom_adhoc) {
320: my ($possroles,$description) = &Apache::lonnet::get_my_adhocroles($cdom.'_'.$cnum,1);
321: if (ref($possroles) eq 'ARRAY') {
322: if (grep(/^\Q$rolename\E$/,@{$possroles})) {
323: if (&Apache::lonnet::check_adhoc_privs($cdom,$cnum,$update,$refresh,$now,
324: "cr/$cdom/$cdom".'-domainconfig/'.$rolename,undef,$sec)) {
325: &Apache::lonnet::appenv({"environment.internal.$cdom.$cnum.cr/$cdom/$cdom".'-domainconfig/'."$rolename.adhoc" => time});
326: }
327: }
328: }
329: }
330: } elsif (($numdc > 0) || ($numhelpdesk > 0)) {
331: # Check if user is a DC trying to enter a course or author space and needs privs to be created
332: # Check if user is a DH or DA trying to enter a course and needs privs to be created
333: foreach my $envkey (keys(%env)) {
334: if ($numdc) {
335: # Is this an ad-hoc Coordinator role?
336: if (my ($ccrole,$domain,$coursenum) =
337: ($envkey =~ m-^form\.(cc|co)\./($match_domain)/($match_courseid)$-)) {
338: if ($dcroles{$domain}) {
339: if (&Apache::lonnet::check_adhoc_privs($domain,$coursenum,
340: $update,$refresh,$now,$ccrole)) {
341: &Apache::lonnet::appenv({"environment.internal.$domain.$coursenum.$ccrole.adhoc" => time});
342: }
343: }
344: last;
345: }
346: # Is this an ad-hoc CA-role?
347: if (my ($domain,$user) =
348: ($envkey =~ m-^form\.ca\./($match_domain)/($match_username)$-)) {
349: if (($domain eq $env{'user.domain'}) && ($user eq $env{'user.name'})) {
350: delete($env{$envkey});
351: $env{'form.au./'.$domain.'/'} = 1;
352: my ($server_status,$home) = &check_author_homeserver($user,$domain);
353: if ($server_status eq 'switchserver') {
354: my $trolecode = 'au./'.$domain.'/';
355: my $switchserver = '/adm/switchserver?otherserver='.$home.'&role='.$trolecode;
356: $r->internal_redirect($switchserver);
357: return OK;
358: }
359: last;
360: }
361: if (my ($castart,$caend) = ($env{'user.role.ca./'.$domain.'/'.$user} =~ /^(\d*)\.(\d*)$/)) {
362: if (((($castart) && ($castart < $now)) || !$castart) &&
363: ((!$caend) || (($caend) && ($caend > $now)))) {
364: my ($server_status,$home) = &check_author_homeserver($user,$domain);
365: if ($server_status eq 'switchserver') {
366: my $trolecode = 'ca./'.$domain.'/'.$user;
367: my $switchserver = '/adm/switchserver?otherserver='.$home.'&role='.$trolecode;
368: $r->internal_redirect($switchserver);
369: return OK;
370: }
371: last;
372: }
373: }
374: # Check if author blocked ca-access
375: my %blocked=&Apache::lonnet::get('environment',['domcoord.author'],$domain,$user);
376: if ($blocked{'domcoord.author'} eq 'blocked') {
377: delete($env{$envkey});
378: $env{'user.error.msg'}=':::1:User '.$user.' in domain '.$domain.' blocked domain coordinator access';
379: last;
380: }
381: if ($dcroles{$domain}) {
382: my ($server_status,$home) = &check_author_homeserver($user,$domain);
383: if (($server_status eq 'ok') || ($server_status eq 'switchserver')) {
384: &Apache::lonnet::check_adhoc_privs($domain,$user,$update,
385: $refresh,$now,'ca');
386: if ($server_status eq 'switchserver') {
387: my $trolecode = 'ca./'.$domain.'/'.$user;
388: my $switchserver = '/adm/switchserver?'
389: .'otherserver='.$home.'&role='.$trolecode;
390: $r->internal_redirect($switchserver);
391: return OK;
392: }
393: } else {
394: delete($env{$envkey});
395: }
396: } else {
397: delete($env{$envkey});
398: }
399: last;
400: }
401: }
402: if ($numhelpdesk) {
403: # Is this an ad hoc custom role in a course/community?
404: if (my ($domain,$rolename,$coursenum,$sec) = ($envkey =~ m{^form\.cr/($match_domain)/\1\-domainconfig/(\w+)\./\1/($match_courseid)(?:/(\w+)|$)})) {
405: if ($helpdeskroles{$domain}) {
406: my ($possroles,$description) = &Apache::lonnet::get_my_adhocroles($domain.'_'.$coursenum,1);
407: if (ref($possroles) eq 'ARRAY') {
408: if (grep(/^\Q$rolename\E$/,@{$possroles})) {
409: if (&Apache::lonnet::check_adhoc_privs($domain,$coursenum,$update,$refresh,$now,
410: "cr/$domain/$domain".'-domainconfig/'.$rolename,
411: undef,$sec)) {
412: &Apache::lonnet::appenv({"environment.internal.$domain.$coursenum.cr/$domain/$domain".
413: '-domainconfig/'."$rolename.adhoc" => time});
414: }
415: } else {
416: delete($env{$envkey});
417: }
418: } else {
419: delete($env{$envkey});
420: }
421: } else {
422: delete($env{$envkey});
423: }
424: last;
425: }
426: }
427: }
428: }
429:
430: foreach $envkey (keys(%env)) {
431: next if ($envkey!~/^user\.role\./);
432: my ($where,$trolecode,$role,$tstatus,$tend,$tstart);
433: &Apache::lonnet::role_status($envkey,$update,$refresh,$now,\$role,\$where,
434: \$trolecode,\$tstatus,\$tstart,\$tend);
435: if ($env{'form.'.$trolecode}) {
436: if ($tstatus eq 'is') {
437: $where=~s/^\///;
438: my ($cdom,$cnum,$csec)=split(/\//,$where);
439: if (($cnum) && ($role ne 'ca') && ($role ne 'aa')) {
440: my $home = $env{'course.'.$cdom.'_'.$cnum.'.home'};
441: my @ids = &Apache::lonnet::current_machine_ids();
442: unless ($loncaparev eq '' && $home && grep(/^\Q$home\E$/,@ids)) {
443: my %curr_reqd_hash = &Apache::lonnet::userenvironment($cdom,$cnum,'internal.releaserequired');
444: if ($curr_reqd_hash{'internal.releaserequired'} ne '') {
445: my ($switchserver,$switchwarning) =
446: &Apache::loncommon::check_release_required($loncaparev,$cdom.'_'.$cnum,$trolecode,
447: $curr_reqd_hash{'internal.releaserequired'});
448: if ($switchwarning ne '' || $switchserver ne '') {
449: &Apache::loncommon::content_type($r,'text/html');
450: &Apache::loncommon::no_cache($r);
451: $r->send_http_header;
452: $r->print(&Apache::loncommon::check_release_result($switchwarning,$switchserver));
453: return OK;
454: }
455: }
456: }
457: }
458: # check for course groups
459: my %coursegroups = &Apache::lonnet::get_active_groups(
460: $env{'user.domain'},$env{'user.name'},$cdom, $cnum);
461: my $cgrps = join(':',keys(%coursegroups));
462:
463: # store role if recent_role list being kept
464: if ($env{'environment.recentroles'}) {
465: my %frozen_roles =
466: &Apache::lonhtmlcommon::get_recent_frozen('roles',$env{'environment.recentrolesn'});
467: &Apache::lonhtmlcommon::store_recent('roles',
468: $trolecode,' ',$frozen_roles{$trolecode});
469: }
470:
471:
472: # check for keyed access
473: if (($role eq 'st') &&
474: ($env{'course.'.$cdom.'_'.$cnum.'.keyaccess'} eq 'yes')) {
475: # who is key authority?
476: my $authdom=$cdom;
477: my $authnum=$cnum;
478: if ($env{'course.'.$cdom.'_'.$cnum.'.keyauth'}) {
479: ($authnum,$authdom)=
480: split(/:/,$env{'course.'.$cdom.'_'.$cnum.'.keyauth'});
481: }
482: # check with key authority
483: unless (&Apache::lonnet::validate_access_key(
484: $env{'environment.key.'.$cdom.'_'.$cnum},
485: $authdom,$authnum)) {
486: # there is no valid key
487: if ($env{'form.newkey'}) {
488: # student attempts to register a new key
489: &Apache::loncommon::content_type($r,'text/html');
490: &Apache::loncommon::no_cache($r);
491: $r->send_http_header;
492: my $swinfo=&Apache::lonmenu::rawconfig();
493: my $start_page=&Apache::loncommon::start_page
494: ('Verifying Access Key to Unlock this Course');
495: my $end_page=&Apache::loncommon::end_page();
496: my $buttontext=&mt('Enter Course');
497: my $message=&mt('Successfully registered key');
498: my $assignresult=
499: &Apache::lonnet::assign_access_key(
500: $env{'form.newkey'},
501: $authdom,$authnum,
502: $cdom,$cnum,
503: $env{'user.domain'},
504: $env{'user.name'},
505: &mt('Assigned from [_1] at [_2] for [_3]'
506: ,$ENV{'REMOTE_ADDR'}
507: ,&Apache::lonlocal::locallocaltime()
508: ,$trolecode)
509: );
510: unless ($assignresult eq 'ok') {
511: $assignresult=~s/^error\:\s*//;
512: $message=&mt($assignresult).
513: '<br /><a href="/adm/logout">'.
514: &mt('Logout').'</a>';
515: $buttontext=&mt('Re-Enter Key');
516: }
517: $r->print(<<ENDENTEREDKEY);
518: $start_page
519: <script type="text/javascript">
520: // <![CDATA[
521: $swinfo
522: // ]]>
523: </script>
524: <form action="" method="post">
525: <input type="hidden" name="selectrole" value="1" />
526: <input type="hidden" name="$trolecode" value="1" />
527: <span class="LC_fontsize_large">$message</span><br />
528: <input type="submit" value="$buttontext" />
529: </form>
530: $end_page
531: ENDENTEREDKEY
532: return OK;
533: } else {
534: # print form to enter a new key
535: &Apache::loncommon::content_type($r,'text/html');
536: &Apache::loncommon::no_cache($r);
537: $r->send_http_header;
538: my $swinfo=&Apache::lonmenu::rawconfig();
539: my $start_page=&Apache::loncommon::start_page
540: ('Enter Access Key to Unlock this Course');
541: my $end_page=&Apache::loncommon::end_page();
542: $r->print(<<ENDENTERKEY);
543: $start_page
544: <script type="text/javascript">
545: // <![CDATA[
546: $swinfo
547: // ]]>
548: </script>
549: <form action="" method="post">
550: <input type="hidden" name="selectrole" value="1" />
551: <input type="hidden" name="$trolecode" value="1" />
552: <input type="text" size="20" name="newkey" value="$env{'form.newkey'}" />
553: <input type="submit" value="Enter key" />
554: </form>
555: $end_page
556: ENDENTERKEY
557: return OK;
558: }
559: }
560: }
561: &Apache::lonnet::log($env{'user.domain'},
562: $env{'user.name'},
563: $env{'user.home'},
564: "Role ".$trolecode);
565:
566: &Apache::lonnet::appenv(
567: {'request.role' => $trolecode,
568: 'request.role.domain' => $cdom,
569: 'request.course.sec' => $csec,
570: 'request.course.groups' => $cgrps});
571: my $tadv=0;
572:
573: if (($cnum) && ($role ne 'ca') && ($role ne 'aa')) {
574: if ($role =~ m{^\Qcr/$cdom/$cdom\E\-domainconfig/(\w+)$}) {
575: my $rolename = $1;
576: my %domdef = &Apache::lonnet::get_domain_defaults($cdom);
577: if (ref($domdef{'adhocroles'}) eq 'HASH') {
578: if (ref($domdef{'adhocroles'}{$rolename}) eq 'HASH') {
579: &Apache::lonnet::appenv({'request.role.desc' => $domdef{'adhocroles'}{$rolename}{'desc'}});
580: }
581: }
582: }
583: my $msg;
584: my ($furl,$ferr)=
585: &Apache::lonuserstate::readmap($cdom.'/'.$cnum);
586: unless ($ferr) {
587: unless (($env{'form.switchrole'}) ||
588: ($env{"environment.internal.$cdom.$cnum.$role.adhoc"})) {
589: &Apache::lonnet::put('nohist_crslastlogin',
590: {$env{'user.name'}.':'.$env{'user.domain'}.
591: ':'.$csec.':'.$role => $now},$cdom,$cnum);
592: }
593: if (($env{"environment.internal.$cdom.$cnum.$role.adhoc"}) &&
594: (&Apache::lonnet::allowed('vxc',$cdom.'_'.$cnum))) {
595: my $owner = $env{'course.'.$cdom.'_'.$cnum.'.internal.courseowner'};
596: my @coowners = split(/,/,$env{'course.'.$env{'request.course.id'}.'.internal.co-owners'});
597: my %auaccess;
598: foreach my $user ($owner,@coowners) {
599: my ($cpname,$cpdom) = split(/:/,$user);
600: my %auroles = &Apache::lonnet::get_my_roles($cpname,$cpdom,'userroles',undef,['au','ca','aa'],[$cdom]);
601: foreach my $key (keys(%auroles)) {
602: my ($auname,$audom,$aurole) = split(/:/,$key);
603: if ($aurole eq 'au') {
604: $auaccess{$cpname} = 1;
605: } else {
606: $auaccess{$auname} = 1;
607: }
608: }
609: }
610: &Apache::lonnet::appenv({'request.course.adhocsrcaccess' => join(',',sort(keys(%auaccess))) });
611: }
612: my ($feeds,$syllabus_time);
613: &Apache::lonrss::advertisefeeds($cnum,$cdom,undef,\$feeds);
614: &Apache::lonnet::appenv({'request.course.feeds' => $feeds});
615: &Apache::lonnet::get_numsuppfiles($cnum,$cdom,1);
616: unless ($env{'course.'.$cdom.'_'.$cnum.'.updatedsyllabus'}) {
617: unless (($env{'course.'.$cdom.'_'.$cnum.'.externalsyllabus'}) ||
618: ($env{'course.'.$cdom.'_'.$cnum.'.uploadedsyllabus'})) {
619: my %syllabus=&Apache::lonnet::dump('syllabus',$cdom,$cnum);
620: $syllabus_time = $syllabus{'uploaded.lastmodified'};
621: if ($syllabus_time) {
622: &Apache::lonnet::appenv({'request.course.syllabustime' => $syllabus_time});
623: }
624: }
625: }
626: }
627: if (($env{'form.orgurl'}) &&
628: ($env{'form.orgurl'}!~/^\/adm\/flip/) &&
629: ($env{'form.orgurl'} ne '/adm/roles')) {
630: my $dest=$env{'form.orgurl'};
631: if ($env{'form.symb'}) {
632: if ($dest =~ /\?/) {
633: $dest .= '&';
634: } else {
635: $dest .= '?';
636: }
637: $dest .= 'symb='.$env{'form.symb'};
638: }
639: if (&Apache::lonnet::allowed('adv') eq 'F') { $tadv=1; }
640: &Apache::lonnet::appenv({'request.role.adv'=>$tadv});
641: if (($ferr) && ($tadv)) {
642: &error_page($r,$ferr,$dest);
643: } else {
644: if ($dest =~ m{^/adm/coursedocs\?folderpath}) {
645: if ($env{'request.course.id'} eq $cdom.'_'.$cnum) {
646: my $chome = &Apache::lonnet::homeserver($cnum,$cdom);
647: &Apache::loncommon::update_content_constraints($cdom,$cnum,$chome,
648: $cdom.'_'.$cnum);
649: }
650: }
651: $r->internal_redirect($dest);
652: }
653: return OK;
654: } else {
655: if (!$env{'request.course.id'}) {
656: &Apache::lonnet::appenv(
657: {"request.course.id" => $cdom.'_'.$cnum});
658: $furl='/adm/roles?tryagain=1';
659: $msg='<p><span class="LC_error">'
660: .&mt('Could not initialize [_1] at this time.',
661: $env{'course.'.$cdom.'_'.$cnum.'.description'})
662: .'</span></p>'
663: .'<p>'.&mt('Please try again.').'</p>'
664: .'<p>'.$ferr.'</p>';
665: }
666: if (&Apache::lonnet::allowed('adv') eq 'F') { $tadv=1; }
667: &Apache::lonnet::appenv({'request.role.adv'=>$tadv});
668:
669: if (($ferr) && ($tadv)) {
670: &error_page($r,$ferr,$furl);
671: } else {
672: # Check to see if the user is a CC entering a course
673: # for the first time
674: if ((($role eq 'cc') || ($role eq 'co'))
675: && ($env{'course.'.$cdom.'_'.$cnum.'.course.helper.not.run'})) {
676: $furl = "/adm/helper/course.initialization.helper";
677: # Send the user to the course they selected
678: } elsif ($env{'request.course.id'}) {
679: my ($dest,$destsymb,$checkenc);
680: $dest = $env{'form.destinationurl'};
681: $destsymb = $env{'form.destsymb'};
682: if ($dest ne '') {
683: if ($env{'form.switchrole'}) {
684: if ($destsymb ne '') {
685: if ($destsymb !~ m{^/enc/}) {
686: unless ($env{'request.role.adv'}) {
687: $checkenc = 1;
688: }
689: }
690: }
691: if (($dest =~ m{^\Q/public/$cdom/$cnum/syllabus\E.*(\?|\&)usehttp=1}) ||
692: ($dest =~ m{^\Q/adm/wrapper/ext/\E(?!https:)})) {
693: if ($ENV{'SERVER_PORT'} == 443) {
694: unless (&Apache::lonnet::uses_sts()) {
695: my $hostname = $r->hostname();
696: if ($hostname ne '') {
697: $dest = 'http://'.$hostname.$dest;
698: }
699: }
700: }
701: }
702: if ($dest =~ m{^/enc/}) {
703: if ($env{'request.role.adv'}) {
704: $dest = &Apache::lonenc::unencrypted($dest);
705: if ($destsymb eq '') {
706: ($destsymb) = ($dest =~ /(?:\?|\&)symb=([^\&]*)/);
707: $destsymb = &unescape($destsymb);
708: }
709: }
710: } else {
711: if ($destsymb eq '') {
712: ($destsymb) = ($dest =~ /(?:\?|\&)symb=([^\&]+)/);
713: $destsymb = &unescape($destsymb);
714: }
715: unless ($env{'request.role.adv'}) {
716: $checkenc = 1;
717: }
718: }
719: if (($checkenc) && ($destsymb ne '')) {
720: my ($encstate,$unencsymb,$res);
721: $unencsymb = &Apache::lonnet::symbclean($destsymb);
722: (undef,undef,$res) = &Apache::lonnet::decode_symb($unencsymb);
723: &Apache::lonnet::symbverify($unencsymb,$res,\$encstate);
724: if ($encstate) {
725: if (($dest ne '') && ($dest !~ m{^/enc/})) {
726: $dest=&Apache::lonenc::encrypted($dest);
727: }
728: }
729: }
730: }
731: unless (($dest =~ m{^/enc/}) || ($dest =~ /(\?|\&)symb=.+___\d+___.+/)) {
732: if (($destsymb ne '') && ($destsymb !~ m{^/enc/})) {
733: my $esc_symb = &escape($destsymb);
734: $dest .= (($dest =~/\?/)? '&':'?').'symb='.$esc_symb;
735: }
736: }
737: &redirect_user($r, &mt('Entering [_1]',
738: $env{'course.'.$cdom.'_'.$cnum.'.description'}),
739: $dest, $msg);
740: return OK;
741: }
742: if (&Apache::lonnet::allowed('whn',
743: $env{'request.course.id'})
744: || &Apache::lonnet::allowed('whn',
745: $env{'request.course.id'}.'/'
746: .$env{'request.course.sec'})
747: ) {
748: my $startpage = &courseloadpage($env{'request.course.id'});
749: unless ($startpage eq 'firstres') {
750: $msg = &mt('Entering [_1] ...',
751: $env{'course.'.$env{'request.course.id'}.'.description'});
752: &redirect_user($r, &mt('New in course'),
753: '/adm/whatsnew?refpage=start', $msg);
754: return OK;
755: }
756: }
757: }
758: # Are we allowed to look at the first resource?
759: my $access;
760: if ($furl =~ m{^(/adm/wrapper|)/ext/}) {
761: # If it's an external resource,
762: # strip off the symb argument and possible query
763: my ($exturl,$symb) = ($furl =~ m{^(.+)(?:\?|\&)symb=(.+)$});
764: # Unencode $symb
765: $symb = &unescape($symb);
766: # Then check for permission
767: $access = &Apache::lonnet::allowed('bre',$exturl,$symb);
768: # For other resources just check for permission
769: } else {
770: $access = &Apache::lonnet::allowed('bre',$furl);
771: }
772: if (!$access) {
773: $furl = &Apache::lonpageflip::first_accessible_resource();
774: } elsif ($access eq 'B') {
775: $furl = '/adm/navmaps?showOnlyHomework=1';
776: }
777: $msg = &mt('Entering [_1] ...',
778: $env{'course.'.$cdom.'_'.$cnum.'.description'});
779: &redirect_user($r, &mt('Entering [_1]',
780: $env{'course.'.$cdom.'_'.$cnum.'.description'}),
781: $furl, $msg);
782: }
783: return OK;
784: }
785: }
786: #
787: # Send the user to the construction space they selected
788: if ($role =~ /^(au|ca|aa)$/) {
789: my $redirect_url = '/priv/';
790: if ($role eq 'au') {
791: $redirect_url.=$env{'user.domain'}.'/'.$env{'user.name'};
792: } else {
793: $redirect_url .= $where;
794: }
795: $redirect_url .= '/';
796: &redirect_user($r,&mt('Entering Authoring Space'),
797: $redirect_url);
798: return OK;
799: }
800: if ($role eq 'dc') {
801: my $redirect_url = '/adm/menu/';
802: &redirect_user($r,&mt('Loading Domain Coordinator Menu'),
803: $redirect_url);
804: return OK;
805: }
806: if ($role eq 'dh') {
807: my $redirect_url = '/adm/menu/';
808: &redirect_user($r,&mt('Loading Domain Helpdesk Menu'),
809: $redirect_url);
810: return OK;
811: }
812: if ($role eq 'da') {
813: my $redirect_url = '/adm/menu/';
814: &redirect_user($r,&mt('Loading Domain Helpdesk Assistant Menu'),
815: $redirect_url);
816: return OK;
817: }
818: if ($role eq 'sc') {
819: my $redirect_url = '/adm/grades?command=scantronupload';
820: &redirect_user($r,&mt('Loading Data Upload Page'),
821: $redirect_url);
822: return OK;
823: }
824: }
825: }
826: }
827: }
828:
829:
830: # =============================================================== No Roles Init
831:
832: &Apache::loncommon::content_type($r,'text/html');
833: &Apache::loncommon::no_cache($r);
834: $r->send_http_header;
835: return OK if $r->header_only;
836:
837: my $crumbtext = 'User Roles';
838: my $pagetitle = 'My Roles';
839: my $recent = &mt('Recent Roles');
840: my $standby = &mt('Role selected. Please stand by.');
841: my $show_course=&Apache::loncommon::show_course();
842: if ($show_course) {
843: $crumbtext = 'Courses';
844: $pagetitle = 'My Courses';
845: $recent = &mt('Recent Courses');
846: $standby = &mt('Course selected. Please stand by.');
847: }
848: my $brcrum =[{href=>"/adm/roles",text=>$crumbtext}];
849:
850: my %roles_in_env;
851: my $showcount = &roles_from_env(\%roles_in_env,$update);
852:
853: my $swinfo=&Apache::lonmenu::rawconfig();
854: my %domdefs=&Apache::lonnet::get_domain_defaults($env{'user.domain'});
855: my $cattype = 'std';
856: if ($domdefs{'catauth'}) {
857: $cattype = $domdefs{'catauth'};
858: }
859: my $funcs = &get_roles_functions($showcount,$cattype);
860: my $crumbsright;
861: if ($env{'browser.mobile'}) {
862: $crumbsright = $funcs;
863: undef($funcs);
864: }
865: my $start_page=&Apache::loncommon::start_page($pagetitle,undef,{bread_crumbs=>$brcrum,
866: bread_crumbs_component=>$crumbsright});
867: &js_escape(\$standby);
868: 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 />';
869:
870: $r->print(<<ENDHEADER);
871: $start_page
872: $funcs
873: <noscript>
874: $noscript
875: </noscript>
876: <script type="text/javascript">
877: // <![CDATA[
878: $swinfo
879: window.focus();
880:
881: active=true;
882:
883: function enterrole (thisform,rolecode,buttonname) {
884: if (active) {
885: active=false;
886: document.title='$standby';
887: window.status='$standby';
888: thisform.newrole.value=rolecode;
889: thisform.submit();
890: } else {
891: alert('$standby');
892: }
893: }
894:
895: function rolesView (caller) {
896: if ((caller == 'showall') || (caller == 'noshowall')) {
897: document.rolechoice.display.value = caller;
898: } else {
899: if ((caller == 'doupdate') || (caller == 'requestauthor') ||
900: (caller == 'queued')) {
901: document.rolechoice.state.value = caller;
902: }
903: }
904: document.rolechoice.selectrole.value='';
905: document.rolechoice.submit();
906: }
907:
908: // ]]>
909: </script>
910: ENDHEADER
911:
912: # ------------------------------------------ Get Error Message from Environment
913:
914: my ($fn,$priv,$nochoose,$error,$msg)=split(/:/,$env{'user.error.msg'});
915: if ($env{'user.error.msg'}) {
916: $r->log_reason(
917: "$msg for $env{'user.name'} domain $env{'user.domain'} access $priv",$fn);
918: }
919:
920: # ------------------------------------------------- Can this user re-init, etc?
921:
922: my $advanced=$env{'user.adv'};
923: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['tryagain']);
924: my $tryagain=$env{'form.tryagain'};
925: my $reinit=$env{'user.reinit'};
926: delete $env{'user.reinit'};
927:
928: # -------------------------------------------------------- Generate Page Output
929: # --------------------------------------------------------------- Error Header?
930: if ($error) {
931: $r->print("<h1>".&mt('LON-CAPA Access Control')."</h1>");
932: $r->print("<!-- LONCAPAACCESSCONTROLERRORSCREEN --><hr /><pre>");
933: if ($priv ne '') {
934: $r->print(&mt('Access : ').&Apache::lonnet::plaintext($priv)."\n");
935: }
936: if ($fn ne '') {
937: $r->print(&mt('Resource: ').&Apache::lonenc::check_encrypt($fn)."\n");
938: }
939: if ($msg ne '') {
940: $r->print(&mt('Action : ').$msg."\n");
941: }
942: $r->print("</pre><hr />");
943: my $url=$fn;
944: my $last;
945: if (tie(my %hash,'GDBM_File',$env{'request.course.fn'}.'_symb.db',
946: &GDBM_READER(),0640)) {
947: $last=$hash{'last_known'};
948: untie(%hash);
949: }
950: if ($last) { $fn.='?symb='.&escape($last); }
951:
952: &Apache::londocs::changewarning($r,undef,'You have modified your course recently, [_1] may fix this access problem.',
953: &Apache::lonenc::check_encrypt($fn));
954: } else {
955: if ($env{'user.error.msg'}) {
956: if ($reinit) {
957: $r->print(
958: '<h3><span class="LC_error">'.
959: &mt('As your session file for the course or community has expired, you will need to re-select it.').'</span></h3>');
960: } else {
961: $r->print(
962: '<h3><span class="LC_error">'.
963: &mt('You need to choose another user role or enter a specific course or community for this function.').
964: '</span></h3>');
965: }
966: }
967: }
968: if ($nochoose) {
969: $r->print("<h2>".&mt('Sorry ...')."</h2>\n<span class='LC_error'>".
970: &mt('This action is currently not authorized.').'</span>'.
971: &Apache::loncommon::end_page());
972: return OK;
973: } else {
974: if ($updateresult || $reqauthor || $hotlist) {
975: my $showresult = '<div>';
976: if ($updateresult) {
977: $showresult .= &Apache::lonhtmlcommon::confirm_success($updateresult);
978: }
979: if ($reqauthor) {
980: $showresult .= &Apache::lonhtmlcommon::confirm_success($reqauthor);
981: }
982: if ($hotlist) {
983: $showresult .= $hotlist;
984: }
985: $showresult .= '</div>';
986: $r->print($showresult);
987: } elsif ($env{'form.state'} eq 'queued') {
988: $r->print(&get_queued());
989: }
990: if (($ENV{'REDIRECT_QUERY_STRING'}) && ($fn)) {
991: $fn.='?'.$ENV{'REDIRECT_QUERY_STRING'};
992: }
993: my $display = ($env{'form.display'} =~ /^(showall)$/);
994: $r->print('<form method="post" name="rolechoice" action="'.(($fn)?$fn:$r->uri).'">');
995: $r->print('<input type="hidden" name="orgurl" value="'.$fn.'" />');
996: $r->print('<input type="hidden" name="selectrole" value="1" />');
997: $r->print('<input type="hidden" name="newrole" value="" />');
998: $r->print('<input type="hidden" name="display" value="'.$display.'" />');
999: $r->print('<input type="hidden" name="state" value="" />');
1000: }
1001: $r->rflush();
1002:
1003: my (%roletext,%sortrole,%roleclass,%futureroles,%timezones);
1004: my ($countactive,$countfuture,$inrole,$possiblerole) =
1005: &gather_roles($update,$refresh,$now,$reinit,$nochoose,\%roles_in_env,\%roletext,
1006: \%sortrole,\%roleclass,\%futureroles,\%timezones,$loncaparev);
1007: $refresh = $now;
1008: &Apache::lonnet::appenv({'user.refresh.time' => $refresh});
1009: if ((($cattype eq 'std') || ($cattype eq 'domonly')) && (!$env{'user.adv'})) {
1010: if ($countactive > 0) {
1011: my $domdesc = &Apache::lonnet::domain($env{'user.domain'},'description');
1012: my $esc_dom = &HTML::Entities::encode($env{'user.domain'},'"<>&');
1013: $r->print(
1014: '<p>'
1015: .&mt('[_1]Visit the [_2]Course/Community Catalog[_3][_4]'
1016: .' to view all [_5] LON-CAPA courses and communities.'
1017: ,'<b>'
1018: ,'<a href="/adm/coursecatalog?showdom='.$esc_dom.'">'
1019: ,'</a>'
1020: ,'</b>'
1021: ,'"'.$domdesc.'"')
1022: .'<br />'
1023: .&mt('If a course or community is [_1]not[_2] in your list of current courses and communities below,'
1024: .' you may be able to enroll if self-enrollment is permitted.'
1025: ,'<b>','</b>')
1026: .'</p>'
1027: );
1028: }
1029: }
1030:
1031: # No active roles
1032: if ($countactive==0) {
1033: my $elapsed = 0;
1034: if ($now && $update) {
1035: $elapsed = $now - $update;
1036: }
1037: &requestcourse_advice($r,$cattype,$inrole,$elapsed);
1038: $r->print('</form>');
1039: if ($countfuture) {
1040: $r->print(&mt('The following [quant,_1,role,roles] will become active in the future:',$countfuture));
1041: my $doheaders = &roletable_headers($r,\%roleclass,\%sortrole,
1042: $nochoose);
1043: &print_rolerows($r,$doheaders,\%roleclass,\%sortrole,\%dcroles,
1044: \%roletext,$update,$then);
1045: my $tremark='';
1046: my $tbg;
1047: if ($env{'request.role'} eq 'cm') {
1048: $tbg="LC_roles_selected";
1049: $tremark=&mt('Currently selected.').' ';
1050: } else {
1051: $tbg="LC_roles_is";
1052: }
1053: $r->print(&Apache::loncommon::start_data_table_row()
1054: .'<td class="'.$tbg.'"> </td>'
1055: .'<td colspan="3">'
1056: .&mt('No role specified')
1057: .'</td>'
1058: .'<td>'.$tremark.' </td>'
1059: .&Apache::loncommon::end_data_table_row()
1060: );
1061:
1062: $r->print(&Apache::loncommon::end_data_table());
1063: }
1064: $r->print(&Apache::loncommon::end_page());
1065: return OK;
1066: }
1067: # ----------------------------------------------------------------------- Table
1068:
1069: if (($numdc > 0) || (($numhelpdesk > 0) && ($numadhoc > 0))) {
1070: $r->print(&coursepick_jscript().
1071: &Apache::loncommon::coursebrowser_javascript());
1072: }
1073: if ($numdc > 0) {
1074: $r->print(&Apache::loncommon::authorbrowser_javascript());
1075: }
1076:
1077: unless ((!&Apache::loncommon::show_course()) || ($nochoose) || ($countactive==1)) {
1078: $r->print("<h2>".&mt('Select a Course to Enter')."</h2>\n");
1079: }
1080: if ($env{'form.destinationurl'}) {
1081: $r->print('<input type="hidden" name="destinationurl" value="'.
1082: $env{'form.destinationurl'}.'" />');
1083: if ($env{'form.destsymb'} ne '') {
1084: $r->print('<input type="hidden" name="destsymb" value="'.
1085: $env{'form.destsymb'}.'" />');
1086: }
1087: }
1088:
1089: my $doheaders = &roletable_headers($r,\%roleclass,\%sortrole,$nochoose);
1090: if ($env{'environment.recentroles'}) {
1091: my %recent_roles =
1092: &Apache::lonhtmlcommon::get_recent('roles',$env{'environment.recentrolesn'});
1093: my $output='';
1094: foreach my $role (sort(keys(%recent_roles))) {
1095: if (ref($roletext{'user.role.'.$role}) eq 'ARRAY') {
1096: $output.= &Apache::loncommon::start_data_table_row().
1097: $roletext{'user.role.'.$role}->[0].
1098: &Apache::loncommon::end_data_table_row();
1099: if ($roletext{'user.role.'.$role}->[1] ne '') {
1100: $output .= &Apache::loncommon::continue_data_table_row().
1101: $roletext{'user.role.'.$role}->[1].
1102: &Apache::loncommon::end_data_table_row();
1103: }
1104: if ($role =~ m{^dc\./($match_domain)/$}
1105: && $dcroles{$1}) {
1106: $output .= &adhoc_roles_row($1,'recent');
1107: } elsif ($role =~ m{^(dh|da)\./($match_domain)/$}) {
1108: $output .= &adhoc_customroles_row($1,$2,'recent',$update,$then);
1109: }
1110: } elsif ($numdc > 0) {
1111: unless ($role =~/^error\:/) {
1112: my ($roletext,$role_text_end) = &display_cc_role('user.role.'.$role);
1113: if ($roletext) {
1114: $output.= &Apache::loncommon::start_data_table_row().
1115: $roletext.
1116: &Apache::loncommon::end_data_table_row();
1117: if ($role_text_end) {
1118: $output .= &Apache::loncommon::continue_data_table_row().
1119: $role_text_end.
1120: &Apache::loncommon::end_data_table_row();
1121: }
1122: }
1123: }
1124: }
1125: }
1126: if ($output) {
1127: $r->print(&Apache::loncommon::start_data_table_empty_row()
1128: .'<td align="center" colspan="5">'
1129: .$recent
1130: .'</td>'
1131: .&Apache::loncommon::end_data_table_empty_row()
1132: );
1133: $r->print($output);
1134: $doheaders ++;
1135: }
1136: }
1137: &print_rolerows($r,$doheaders,\%roleclass,\%sortrole,\%dcroles,\%roletext,$update,$then);
1138: if ($countactive > 1) {
1139: my $tremark='';
1140: my $tbg;
1141: if ($env{'request.role'} eq 'cm') {
1142: $tbg="LC_roles_selected";
1143: $tremark=&mt('Currently selected.').' ';
1144: } else {
1145: $tbg="LC_roles_is";
1146: }
1147: $r->print(&Apache::loncommon::start_data_table_row());
1148: unless ($nochoose) {
1149: if ($env{'request.role'} ne 'cm') {
1150: $r->print('<td class="'.$tbg.'"><input type="submit" value="'.
1151: &mt('Select').'" name="cm" /></td>');
1152: } else {
1153: $r->print('<td class="'.$tbg.'"> </td>');
1154: }
1155: }
1156: $r->print('<td colspan="3">'
1157: .&mt('No role specified')
1158: .'</td>'
1159: .'<td>'.$tremark.' </td>'
1160: .&Apache::loncommon::end_data_table_row()
1161: );
1162: }
1163: $r->print(&Apache::loncommon::end_data_table());
1164: unless ($nochoose) {
1165: $r->print("</form>\n");
1166: }
1167: # ------------------------------------------------------------ Privileges Info
1168: if (($advanced) && (($env{'user.error.msg'}) || ($error))) {
1169: $r->print('<hr /><h2>'.&mt('Current Privileges').'</h2>');
1170: $r->print(&privileges_info());
1171: }
1172: my $announcements = &Apache::lonnet::getannounce();
1173: $r->print(
1174: '<br />'.
1175: '<h2>'.&mt('Announcements').'</h2>'.
1176: $announcements
1177: ) unless (!$announcements);
1178: if ($advanced) {
1179: my $esc_dom = &HTML::Entities::encode($env{'user.domain'},'"<>&');
1180: $r->print('<p><small><i>'
1181: .&mt('This LON-CAPA server is version [_1]',$r->dir_config('lonVersion'))
1182: .'</i></small></p>');
1183: }
1184: $r->print(&Apache::loncommon::end_page());
1185: return OK;
1186: }
1187:
1188: sub roles_from_env {
1189: my ($roleshash,$update) = @_;
1190: my $count = 0;
1191: if (ref($roleshash) eq 'HASH') {
1192: foreach my $envkey (keys(%env)) {
1193: if ($envkey =~ m{^user\.role\.(\w+)[./]}) {
1194: next if ($1 eq 'gr');
1195: $roleshash->{$envkey} = $env{$envkey};
1196: my ($start,$end) = split(/\./,$env{$envkey});
1197: unless ($end && $end<$update) {
1198: $count ++;
1199: }
1200: }
1201: }
1202: }
1203: return $count;
1204: }
1205:
1206: sub gather_roles {
1207: my ($update,$refresh,$now,$reinit,$nochoose,$roles_in_env,$roletext,$sortrole,$roleclass,$futureroles,
1208: $timezones,$loncaparev) = @_;
1209: my ($countactive,$countfuture,$inrole,$possiblerole) = (0,0,0,'');
1210: my $advanced = $env{'user.adv'};
1211: my $tryagain = $env{'form.tryagain'};
1212: my @ids = &Apache::lonnet::current_machine_ids();
1213: if (ref($roles_in_env) eq 'HASH') {
1214: my %adhocdesc;
1215: foreach my $envkey (sort(keys(%{$roles_in_env}))) {
1216: my $button = 1;
1217: my $switchserver='';
1218: my $switchwarning;
1219: my ($role_text,$role_text_end,$sortkey,$role,$where,$trolecode,$tstart,
1220: $tend,$tremark,$tstatus,$tpstart,$tpend);
1221: &Apache::lonnet::role_status($envkey,$update,$refresh,$now,\$role,\$where,
1222: \$trolecode,\$tstatus,\$tstart,\$tend);
1223: next if (!defined($role) || $role eq '' || $role =~ /^gr/);
1224: $tremark='';
1225: $tpstart=' ';
1226: $tpend=' ';
1227: if ($env{'request.role'} eq $trolecode) {
1228: $tstatus='selected';
1229: }
1230: my $tbg;
1231: if (($tstatus eq 'is')
1232: || ($tstatus eq 'selected')
1233: || ($tstatus eq 'future')
1234: || ($env{'form.display'} eq 'showall')) {
1235: my $timezone = &role_timezone($where,$timezones);
1236: if ($tstart) {
1237: $tpstart=&Apache::lonlocal::locallocaltime($tstart,$timezone);
1238: }
1239: if ($tend) {
1240: $tpend=&Apache::lonlocal::locallocaltime($tend,$timezone);
1241: }
1242: if ($tstatus eq 'is') {
1243: $tbg='LC_roles_is';
1244: $possiblerole=$trolecode;
1245: $countactive++;
1246: } elsif ($tstatus eq 'future') {
1247: $tbg='LC_roles_future';
1248: $button=0;
1249: $futureroles->{$trolecode} = $tstart.':'.$tend;
1250: $countfuture ++;
1251: } elsif ($tstatus eq 'expired') {
1252: $tbg='LC_roles_expired';
1253: $button=0;
1254: } elsif ($tstatus eq 'will_not') {
1255: $tbg='LC_roles_will_not';
1256: $tremark.=&mt('Expired after logout.').' ';
1257: } elsif ($tstatus eq 'selected') {
1258: $tbg='LC_roles_selected';
1259: $inrole=1;
1260: $countactive++;
1261: $tremark.=&mt('Currently selected.').' ';
1262: }
1263: my $trole;
1264: if ($role =~ /^cr\//) {
1265: my ($rdummy,$rdomain,$rauthor,$rrole)=split(/\//,$role);
1266: unless ($rauthor eq $rdomain.'-domainconfig') {
1267: if ($tremark) { $tremark.='<br />'; }
1268: $tremark.=&mt('Custom role defined by [_1].',$rauthor.':'.$rdomain);
1269: }
1270: }
1271: $trole=Apache::lonnet::plaintext($role);
1272: my $ttype;
1273: my $twhere;
1274: my ($tdom,$trest,$tsection)=
1275: split(/\//,Apache::lonnet::declutter($where));
1276: # First, Co-Authorship roles
1277: if (($role eq 'ca') || ($role eq 'aa')) {
1278: my $home = &Apache::lonnet::homeserver($trest,$tdom);
1279: my $allowed=0;
1280: foreach my $id (@ids) { if ($id eq $home) { $allowed=1; } }
1281: if (!$allowed) {
1282: $button=0;
1283: $switchserver='otherserver='.$home.'&role='.$trolecode;
1284: }
1285: #next if ($home eq 'no_host');
1286: $home = &Apache::lonnet::hostname($home);
1287: $ttype='Authoring Space';
1288: $twhere=&mt('User').': '.$trest.'<br />'.&mt('Domain').
1289: ': '.$tdom.'<br />'.
1290: ' '.&mt('Server').': '.$home;
1291: $env{'course.'.$tdom.'_'.$trest.'.description'}='ca';
1292: $tremark.=&Apache::lonhtmlcommon::authorbombs('/res/'.$tdom.'/'.$trest.'/');
1293: $sortkey=$role."$trest:$tdom";
1294: } elsif ($role eq 'au') {
1295: # Authors
1296: my $home = &Apache::lonnet::homeserver
1297: ($env{'user.name'},$env{'user.domain'});
1298: my $allowed=0;
1299: foreach my $id (@ids) { if ($id eq $home) { $allowed=1; } }
1300: if (!$allowed) {
1301: $button=0;
1302: $switchserver='otherserver='.$home.'&role='.$trolecode;
1303: }
1304: #next if ($home eq 'no_host');
1305: $home = &Apache::lonnet::hostname($home);
1306: $ttype='Authoring Space';
1307: $twhere=&mt('Domain').': '.$tdom.'<br />'.&mt('Server').
1308: ': '.$home;
1309: $env{'course.'.$tdom.'_'.$trest.'.description'}='ca';
1310: $tremark.=&Apache::lonhtmlcommon::authorbombs('/res/'.$tdom.'/'.$env{'user.name'}.'/');
1311: $sortkey=$role;
1312: } elsif ($trest) {
1313: my $tcourseid=$tdom.'_'.$trest;
1314: $ttype = &Apache::loncommon::course_type($tcourseid);
1315: if ($role !~ /^cr/) {
1316: $trole = &Apache::lonnet::plaintext($role,$ttype,$tcourseid);
1317: } elsif ($role =~ m{^\Qcr/$tdom/$tdom\E\-domainconfig/(\w+)$}) {
1318: my $rolename = $1;
1319: my $desc;
1320: if (ref($adhocdesc{$tdom}) eq 'HASH') {
1321: $desc = $adhocdesc{$tdom}{$rolename};
1322: } else {
1323: my %domdef = &Apache::lonnet::get_domain_defaults($tdom);
1324: if (ref($domdef{'adhocroles'}) eq 'HASH') {
1325: foreach my $rolename (sort(keys(%{$domdef{'adhocroles'}}))) {
1326: if (ref($domdef{'adhocroles'}{$rolename}) eq 'HASH') {
1327: $adhocdesc{$tdom}{$rolename} = $domdef{'adhocroles'}{$rolename}{'desc'};
1328: $desc = $adhocdesc{$tdom}{$rolename};
1329: }
1330: }
1331: }
1332: }
1333: if ($desc ne '') {
1334: $trole = $desc;
1335: } else {
1336: $trole = &mt('Helpdesk[_1]',' '.$rolename);
1337: }
1338: } else {
1339: $trole = (split(/\//,$role,4))[-1];
1340: }
1341: if ($env{'course.'.$tcourseid.'.description'}) {
1342: my $home=$env{'course.'.$tcourseid.'.home'};
1343: $twhere=$env{'course.'.$tcourseid.'.description'};
1344: $sortkey=$role."\0".$tdom."\0".$twhere."\0".$envkey;
1345: $twhere = &HTML::Entities::encode($twhere,'"<>&');
1346: unless ($twhere eq &mt('Currently not available')) {
1347: $twhere.=' <span class="LC_fontsize_small">'.
1348: &Apache::loncommon::syllabuswrapper(&mt('Syllabus'),$trest,$tdom).
1349: '</span>';
1350: unless ($home && grep(/^\Q$home\E$/,@ids) && $loncaparev eq '') {
1351: my $required = $env{'course.'.$tcourseid.'.internal.releaserequired'};
1352: if ($required ne '') {
1353: ($switchserver,$switchwarning) =
1354: &Apache::loncommon::check_release_required($loncaparev,$tcourseid,$trolecode,$required);
1355: if ($switchserver || $switchwarning) {
1356: $button = 0;
1357: }
1358: }
1359: }
1360: }
1361: } else {
1362: my %newhash=&Apache::lonnet::coursedescription($tcourseid);
1363: if (%newhash) {
1364: $sortkey=$role."\0".$tdom."\0".$newhash{'description'}.
1365: "\0".$envkey;
1366: $twhere=&HTML::Entities::encode($newhash{'description'},'"<>&').
1367: ' <span class="LC_fontsize_small">'.
1368: &Apache::loncommon::syllabuswrapper(&mt('Syllabus'),$trest,$tdom).
1369: '</span>';
1370: $ttype = $newhash{'type'};
1371: $trole = &Apache::lonnet::plaintext($role,$ttype,$tcourseid);
1372: my $home = $newhash{'home'};
1373: unless ($home && grep(/^\Q$home\E$/,@ids) && $loncaparev eq '') {
1374: my $required = $newhash{'internal.releaserequired'};
1375: if ($required ne '') {
1376: ($switchserver,$switchwarning) =
1377: &Apache::loncommon::check_release_required($loncaparev,$tcourseid,$trolecode,$required);
1378: if ($switchserver || $switchwarning) {
1379: $button = 0;
1380: }
1381: }
1382: }
1383: } else {
1384: $twhere=&mt('Currently not available');
1385: $env{'course.'.$tcourseid.'.description'}=$twhere;
1386: $sortkey=$role."\0".$tdom."\0".$twhere."\0".$envkey;
1387: $ttype = 'Unavailable';
1388: }
1389: }
1390: if ($tsection) {
1391: $twhere.='<br />'.&mt('Section').': '.$tsection;
1392: }
1393: if ($role ne 'st') { $twhere.="<br />".&mt('Domain').":".$tdom; }
1394: } elsif ($tdom) {
1395: $ttype='Domain';
1396: $twhere=$tdom;
1397: $sortkey=$role.$twhere;
1398: } else {
1399: $ttype='System';
1400: $twhere=&mt('system wide');
1401: $sortkey=$role.$twhere;
1402: }
1403: ($role_text,$role_text_end) =
1404: &build_roletext($trolecode,$tdom,$trest,$tstatus,$tryagain,
1405: $advanced,$tremark,$tbg,$trole,$twhere,$tpstart,
1406: $tpend,$nochoose,$button,$switchserver,$reinit,$switchwarning);
1407: $roletext->{$envkey}=[$role_text,$role_text_end];
1408: if (!$sortkey) {$sortkey=$twhere."\0".$envkey;}
1409: $sortrole->{$sortkey}=$envkey;
1410: $roleclass->{$envkey}=$ttype;
1411: }
1412: }
1413: }
1414: return ($countactive,$countfuture,$inrole,$possiblerole);
1415: }
1416:
1417: sub role_timezone {
1418: my ($where,$timezones) = @_;
1419: my $timezone;
1420: if (ref($timezones) eq 'HASH') {
1421: if ($where =~ m{^/($match_domain)/($match_courseid)}) {
1422: my $cdom = $1;
1423: my $cnum = $2;
1424: if ($cdom && $cnum) {
1425: if (!exists($timezones->{$cdom.'_'.$cnum})) {
1426: my $tz;
1427: if ($env{'course.'.$cdom.'_'.$cnum.'.description'}) {
1428: $tz = $env{'course.'.$cdom.'_'.$cnum.'.timezone'};
1429: } else {
1430: my %timehash =
1431: &Apache::lonnet::get('environment',['timezone'],$cdom,$cnum);
1432: $tz = $timehash{'timezone'};
1433: }
1434: if ($tz eq '') {
1435: if (!exists($timezones->{$cdom})) {
1436: my %domdefaults =
1437: &Apache::lonnet::get_domain_defaults($cdom);
1438: if ($domdefaults{'timezone_def'} eq '') {
1439: $timezones->{$cdom} = 'local';
1440: } else {
1441: $timezones->{$cdom} = $domdefaults{'timezone_def'};
1442: }
1443: }
1444: $timezones->{$cdom.'_'.$cnum} = $timezones->{$cdom};
1445: } else {
1446: $timezones->{$cdom.'_'.$cnum} =
1447: &Apache::lonlocal::gettimezone($tz);
1448: }
1449: }
1450: $timezone = $timezones->{$cdom.'_'.$cnum};
1451: }
1452: } else {
1453: my ($tdom) = ($where =~ m{^/($match_domain)});
1454: if ($tdom) {
1455: if (!exists($timezones->{$tdom})) {
1456: my %domdefaults = &Apache::lonnet::get_domain_defaults($tdom);
1457: if ($domdefaults{'timezone_def'} eq '') {
1458: $timezones->{$tdom} = 'local';
1459: } else {
1460: $timezones->{$tdom} = $domdefaults{'timezone_def'};
1461: }
1462: }
1463: $timezone = $timezones->{$tdom};
1464: }
1465: }
1466: if ($timezone eq 'local') {
1467: $timezone = undef;
1468: }
1469: }
1470: return $timezone;
1471: }
1472:
1473: sub roletable_headers {
1474: my ($r,$roleclass,$sortrole,$nochoose) = @_;
1475: my $doheaders;
1476: if ((ref($sortrole) eq 'HASH') && (ref($roleclass) eq 'HASH')) {
1477: $r->print('<br />'
1478: .&Apache::loncommon::start_data_table('LC_textsize_mobile')
1479: .&Apache::loncommon::start_data_table_header_row()
1480: );
1481: if (!$nochoose) { $r->print('<th> </th>'); }
1482: $r->print('<th>'.&mt('User Role').'</th>'
1483: .'<th>'.&mt('Extent').'</th>'
1484: .'<th>'.&mt('Start').'</th>'
1485: .'<th>'.&mt('End').'</th>'
1486: .&Apache::loncommon::end_data_table_header_row()
1487: );
1488: $doheaders=-1;
1489: my @roletypes = &roletypes();
1490: foreach my $type (@roletypes) {
1491: my $haverole=0;
1492: foreach my $which (sort {uc($a) cmp uc($b)} (keys(%{$sortrole}))) {
1493: if ($roleclass->{$sortrole->{$which}} =~ /^\Q$type\E/) {
1494: $haverole=1;
1495: }
1496: }
1497: if ($haverole) { $doheaders++; }
1498: }
1499: }
1500: return $doheaders;
1501: }
1502:
1503: sub roletypes {
1504: my @types = ('Domain','Authoring Space','Course','Community','Unavailable','System');
1505: return @types;
1506: }
1507:
1508: sub print_rolerows {
1509: my ($r,$doheaders,$roleclass,$sortrole,$dcroles,$roletext,$update,$then) = @_;
1510: if ((ref($roleclass) eq 'HASH') && (ref($sortrole) eq 'HASH')) {
1511: my @types = &roletypes();
1512: foreach my $type (@types) {
1513: my $output;
1514: foreach my $which (sort {uc($a) cmp uc($b)} (keys(%{$sortrole}))) {
1515: if ($roleclass->{$sortrole->{$which}} =~ /^\Q$type\E/) {
1516: if (ref($roletext) eq 'HASH') {
1517: if (ref($roletext->{$sortrole->{$which}}) eq 'ARRAY') {
1518: $output.= &Apache::loncommon::start_data_table_row().
1519: $roletext->{$sortrole->{$which}}->[0].
1520: &Apache::loncommon::end_data_table_row();
1521: if ($roletext->{$sortrole->{$which}}->[1] ne '') {
1522: $output .= &Apache::loncommon::continue_data_table_row().
1523: $roletext->{$sortrole->{$which}}->[1].
1524: &Apache::loncommon::end_data_table_row();
1525: }
1526: }
1527: if ($sortrole->{$which} =~ m{^user\.role\.dc\./($match_domain)/}) {
1528: if (ref($dcroles) eq 'HASH') {
1529: if ($dcroles->{$1}) {
1530: $output .= &adhoc_roles_row($1,'');
1531: }
1532: }
1533: } elsif ($sortrole->{$which} =~ m{^user\.role\.(dh|da)\./($match_domain)/}) {
1534: $output .= &adhoc_customroles_row($1,$2,'',$update,$then);
1535: }
1536: }
1537: }
1538: }
1539: if ($output) {
1540: if ($doheaders > 0) {
1541: $r->print(&Apache::loncommon::start_data_table_empty_row()
1542: .'<td align="center" colspan="5">'
1543: .&mt($type)
1544: .'</td>'
1545: .&Apache::loncommon::end_data_table_empty_row()
1546: );
1547: }
1548: $r->print($output);
1549: }
1550: }
1551: }
1552: }
1553:
1554: sub findcourse_advice {
1555: my ($r,$cattype,$elapsed) = @_;
1556: my $domdesc = &Apache::lonnet::domain($env{'user.domain'},'description');
1557: my $esc_dom = &HTML::Entities::encode($env{'user.domain'},'"<>&');
1558: if (&Apache::lonnet::auto_run(undef,$env{'user.domain'})) {
1559: $r->print('<p>'.&mt('If you were expecting to see an active role listed for a particular course in the [_1] domain, it may be missing for one of the following reasons:',$domdesc).'
1560: <ul>
1561: <li>'.&mt('The course has yet to be created.').'</li>
1562: <li>'.&mt('Automatic enrollment of registered students has not been enabled for the course.').'</li>
1563: <li>'.&mt('You are in a section of course for which automatic enrollment in the corresponding LON-CAPA course is not active.').'</li>
1564: <li>'.&mt('The start date for automated enrollment has yet to be reached.').'</li>
1565: <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>
1566: <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>
1567: </ul></p>');
1568: } else {
1569: $r->print('<p>'.&mt('If you were expecting to see an active role listed for a particular course, that course may not have been created yet.').'</p>');
1570: if ($elapsed > 600) {
1571: $r->print('<p>'.&mt('You may also have been assigned to a course in the time since you last logged-in, or checked for changes.').
1572: '<br />'.
1573: &mt('If that is the case you can use the "Check for changes" link in the gray Functions bar to update the list of your available course roles.').'</p>');
1574: }
1575: }
1576: if (($cattype eq 'std') || ($cattype eq 'domonly')) {
1577: $r->print('<h3>'.&mt('Self-Enrollment').'</h3>'.
1578: '<p>'.&mt('The [_1]Course/Community Catalog[_2] provides information about all [_3] classes for which LON-CAPA courses have been created, as well as any communities in the domain.','<a href="/adm/coursecatalog?showdom='.$esc_dom.'">','</a>',$domdesc).'<br />');
1579: $r->print(&mt('You can search for courses and communities which permit self-enrollment, if you would like to enroll in one.').'</p>'.
1580: &Apache::loncoursequeueadmin::queued_selfenrollment());
1581: }
1582: return;
1583: }
1584:
1585: sub requestcourse_advice {
1586: my ($r,$cattype,$inrole,$elapsed) = @_;
1587: my $domdesc = &Apache::lonnet::domain($env{'user.domain'},'description');
1588: my $esc_dom = &HTML::Entities::encode($env{'user.domain'},'"<>&');
1589: my (%can_request,%request_doms,$output);
1590: &Apache::lonnet::check_can_request($env{'user.domain'},\%can_request,\%request_doms);
1591: if (keys(%request_doms) > 0) {
1592: my ($types,$typename) = &Apache::loncommon::course_types();
1593: if ((ref($types) eq 'ARRAY') && (ref($typename) eq 'HASH')) {
1594: my (@reqdoms,@reqtypes);
1595: foreach my $type (sort(keys(%request_doms))) {
1596: push(@reqtypes,$type);
1597: if (ref($request_doms{$type}) eq 'ARRAY') {
1598: my $domstr = join(', ',map { &Apache::lonnet::domain($_) } sort(@{$request_doms{$type}}));
1599: $output .=
1600: '<li>'
1601: .&mt('[_1]'.$typename->{$type}.'[_2] in domain: [_3]',
1602: '<i>',
1603: '</i>',
1604: '<b>'.$domstr.'</b>')
1605: .'</li>';
1606: foreach my $dom (@{$request_doms{$type}}) {
1607: unless (grep(/^\Q$dom\E/,@reqdoms)) {
1608: push(@reqdoms,$dom);
1609: }
1610: }
1611: }
1612: }
1613: my @showtypes;
1614: foreach my $type (@{$types}) {
1615: if (grep(/^\Q$type\E$/,@reqtypes)) {
1616: push(@showtypes,$type);
1617: }
1618: }
1619: my $requrl = '/adm/requestcourse';
1620: if (@reqdoms == 1) {
1621: $requrl .= '?showdom='.$reqdoms[0];
1622: }
1623: if (@showtypes > 0) {
1624: $requrl.=(($requrl=~/\?/)?'&':'?').'crstype='.$showtypes[0];
1625: }
1626: if (@reqdoms == 1 || @showtypes > 0) {
1627: $requrl .= '&state=crstype&action=new';
1628: }
1629: if ($output) {
1630: $r->print('<h3>'.&mt('Request creation of a course or community').'</h3>'.
1631: '<p>'.
1632: &mt('You have rights to request the creation of courses and/or communities in the following domain(s):').
1633: '<ul>'.
1634: $output.
1635: '</ul>'.
1636: &mt('Use the [_1]request form[_2] to submit a request for creation of a new course or community.',
1637: '<a href="'.$requrl.'">','</a>').
1638: '</p>');
1639: }
1640: }
1641: } elsif (!$env{'user.adv'}) {
1642: if ($inrole) {
1643: $r->print('<h3>'.&mt('Currently no additional roles, courses or communities').'</h3>');
1644: } else {
1645: $r->print('<h3>'.&mt('Currently no active roles, courses or communities').'</h3>');
1646: }
1647: &findcourse_advice($r,$cattype,$elapsed);
1648: }
1649: return;
1650: }
1651:
1652: sub privileges_info {
1653: my ($which) = @_;
1654: my $output;
1655:
1656: $which ||= $env{'request.role'};
1657:
1658: foreach my $envkey (sort(keys(%env))) {
1659: next if ($envkey!~/^user\.priv\.\Q$which\E\.(.*)/);
1660:
1661: my $where=$1;
1662: my $ttype;
1663: my $twhere;
1664: my (undef,$tdom,$trest,$tsec)=split(m{/},$where);
1665: if ($trest) {
1666: if ($env{'course.'.$tdom.'_'.$trest.'.description'} eq 'ca') {
1667: $ttype='Authoring Space';
1668: $twhere='User: '.$trest.', Domain: '.$tdom;
1669: } else {
1670: $ttype= &Apache::loncommon::course_type($tdom.'_'.$trest);
1671: $twhere=$env{'course.'.$tdom.'_'.$trest.'.description'};
1672: if ($tsec) {
1673: my $sec_type = 'Section';
1674: if (exists($env{"user.role.gr.$where"})) {
1675: $sec_type = 'Group';
1676: }
1677: $twhere.=' ('.$sec_type.': '.$tsec.')';
1678: }
1679: }
1680: } elsif ($tdom) {
1681: $ttype='Domain';
1682: $twhere=$tdom;
1683: } else {
1684: $ttype='System';
1685: $twhere='/';
1686: }
1687: $output .= "\n<h3>".&mt($ttype).': '.$twhere.'</h3>'."\n<ul>";
1688: foreach my $priv (sort(split(/:/,$env{$envkey}))) {
1689: next if (!$priv);
1690:
1691: my ($prv,$restr)=split(/\&/,$priv);
1692: my $trestr='';
1693: if ($restr ne 'F') {
1694: $trestr.=' ('.
1695: join(', ',
1696: map { &Apache::lonnet::plaintext($_) }
1697: (split('',$restr))).') ';
1698: }
1699: $output .= "\n\t".
1700: '<li>'.&Apache::lonnet::plaintext($prv).$trestr.'</li>';
1701: }
1702: $output .= "\n".'</ul>';
1703: }
1704: return $output;
1705: }
1706:
1707: sub build_roletext {
1708: my ($trolecode,$tdom,$trest,$tstatus,$tryagain,$advanced,$tremark,$tbg,$trole,$twhere,
1709: $tpstart,$tpend,$nochoose,$button,$switchserver,$reinit,$switchwarning) = @_;
1710: my ($roletext,$roletext_end,$poss_adhoc);
1711: if ($trolecode =~ m/^d(c|h|a)\./) {
1712: $poss_adhoc = 1;
1713: }
1714: my $rowspan=($poss_adhoc) ? ''
1715: : ' rowspan="2" ';
1716:
1717: unless ($nochoose) {
1718: my $buttonname=$trolecode;
1719: $buttonname=~s/\W//g;
1720: if (!$button) {
1721: if ($switchserver) {
1722: $roletext.='<td'.$rowspan.' class="'.$tbg.'">'
1723: .'<a href="/adm/switchserver?'.$switchserver.'">'
1724: .&mt('Switch Server')
1725: .'</a></td>';
1726: } else {
1727: $roletext.=('<td'.$rowspan.' class="'.$tbg.'"> </td>');
1728: }
1729: if ($switchwarning) {
1730: if ($tremark eq '') {
1731: $tremark = $switchwarning;
1732: } else {
1733: $tremark .= '<br />'.$switchwarning;
1734: }
1735: }
1736: } elsif ($tstatus eq 'is') {
1737: $roletext.='<td'.$rowspan.' class="'.$tbg.'">'.
1738: '<input name="'.$buttonname.'" type="button" value="'.
1739: &mt('Select').'" onclick="javascript:enterrole(this.form,\''.
1740: $trolecode."','".$buttonname.'\');" /></td>';
1741: } elsif ($tryagain) {
1742: $roletext.=
1743: '<td'.$rowspan.' class="'.$tbg.'">'.
1744: '<input name="'.$buttonname.'" type="button" value="'.
1745: &mt('Try Selecting Again').'" onclick="javascript:enterrole(this.form,\''.
1746: $trolecode."','".$buttonname.'\');" /></td>';
1747: } elsif ($advanced) {
1748: $roletext.=
1749: '<td'.$rowspan.' class="'.$tbg.'">'.
1750: '<input name="'.$buttonname.'" type="button" value="'.
1751: &mt('Re-Initialize').'" onclick="javascript:enterrole(this.form,\''.
1752: $trolecode."','".$buttonname.'\');" /></td>';
1753: } elsif ($reinit) {
1754: $roletext.=
1755: '<td'.$rowspan.' class="'.$tbg.'">'.
1756: '<input name="'.$buttonname.'" type="button" value="'.
1757: &mt('Re-Select').'" onclick="javascript:enterrole(this.form,\''.
1758: $trolecode."','".$buttonname.'\');" /></td>';
1759: } else {
1760: $roletext.=
1761: '<td'.$rowspan.' class="'.$tbg.'">'.
1762: '<input name="'.$buttonname.'" type="button" value="'.
1763: &mt('Re-Select').'" onclick="javascript:enterrole(this.form,\''.
1764: $trolecode."','".$buttonname.'\');" /></td>';
1765: }
1766: }
1767: if ($trolecode !~ m/^(dc|ca|au|aa)\./) {
1768: $tremark.=&Apache::lonannounce::showday(time,1,
1769: &Apache::lonannounce::readcalendar($tdom.'_'.$trest));
1770: }
1771: $roletext.='<td>'.$trole.'</td>'
1772: .'<td>'.$twhere.'</td>'
1773: .'<td>'.$tpstart.'</td>'
1774: .'<td>'.$tpend.'</td>';
1775: unless ($poss_adhoc) {
1776: $roletext_end = '<td colspan="4">'.
1777: $tremark.' '.
1778: '</td>';
1779: }
1780: return ($roletext,$roletext_end);
1781: }
1782:
1783: sub check_author_homeserver {
1784: my ($uname,$udom)=@_;
1785: if (($uname eq '') || ($udom eq '')) {
1786: return ('fail','');
1787: }
1788: my $home = &Apache::lonnet::homeserver($uname,$udom);
1789: if (&Apache::lonnet::host_domain($home) ne $udom) {
1790: return ('fail',$home);
1791: }
1792: my @ids=&Apache::lonnet::current_machine_ids();
1793: if (grep(/^\Q$home\E$/,@ids)) {
1794: return ('ok',$home);
1795: } else {
1796: return ('switchserver',$home);
1797: }
1798: }
1799:
1800: sub check_for_adhoc {
1801: my ($dcroles,$helpdeskroles,$update,$then) = @_;
1802: my $numdc = 0;
1803: my $numhelpdesk = 0;
1804: my $numadhoc = 0;
1805: my $num_custom_adhoc = 0;
1806: if (($env{'user.adv'}) || ($env{'user.rar'})) {
1807: foreach my $envkey (sort(keys(%env))) {
1808: if ($envkey=~/^user\.role\.(dc|dh|da)\.\/($match_domain)\/$/) {
1809: my $role = $1;
1810: my $roledom = $2;
1811: my $liverole = 1;
1812: my ($tstart,$tend)=split(/\./,$env{$envkey});
1813: my $limit = $update;
1814: if ($env{'request.role'} eq "$role./$roledom/") {
1815: $limit = $then;
1816: }
1817: if ($tstart && $tstart>$limit) { $liverole = 0; }
1818: if ($tend && $tend <$limit) { $liverole = 0; }
1819: if ($liverole) {
1820: if ($role eq 'dc') {
1821: $dcroles->{$roledom} = $envkey;
1822: $numdc++;
1823: } else {
1824: $helpdeskroles->{$roledom} = $envkey;
1825: my %domdefaults = &Apache::lonnet::get_domain_defaults($roledom);
1826: if (ref($domdefaults{'adhocroles'}) eq 'HASH') {
1827: if (keys(%{$domdefaults{'adhocroles'}})) {
1828: $numadhoc ++;
1829: }
1830: }
1831: $numhelpdesk++;
1832: }
1833: }
1834: }
1835: }
1836: }
1837: return ($numdc,$numhelpdesk,$numadhoc);
1838: }
1839:
1840: sub adhoc_course_role {
1841: my ($refresh,$update,$then) = @_;
1842: my ($cdom,$cnum,$crstype);
1843: $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
1844: $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
1845: $crstype = &Apache::loncommon::course_type();
1846: if (&check_forcc($cdom,$cnum,$refresh,$update,$then,$crstype)) {
1847: my $setprivs;
1848: if (!defined($env{'user.role.'.$env{'form.switchrole'}})) {
1849: $setprivs = 1;
1850: } else {
1851: my ($start,$end) = split(/\./,$env{'user.role.'.$env{'form.switchrole'}});
1852: if (($start && ($start>$refresh || $start == -1)) ||
1853: ($end && $end<$update)) {
1854: $setprivs = 1;
1855: }
1856: }
1857: unless ($setprivs) {
1858: if (!exists($env{'user.priv.'.$env{'form.switchrole'}.'./'})) {
1859: $setprivs = 1;
1860: }
1861: }
1862: if ($setprivs) {
1863: if ($env{'form.switchrole'} =~ m-^(in|ta|ep|ad|st|cr)(.*?)\./\Q$cdom\E/\Q$cnum\E/?(\w*)$-) {
1864: my $role = $1;
1865: my $custom_role = $2;
1866: my $usec = $3;
1867: if ($role eq 'cr') {
1868: if ($custom_role =~ m-^/$match_domain/$match_username/\w+$-) {
1869: $role .= $custom_role;
1870: } else {
1871: return;
1872: }
1873: }
1874: my (%userroles,%newrole,%newgroups,%group_privs);
1875: my %cgroups =
1876: &Apache::lonnet::get_active_groups($env{'user.domain'},
1877: $env{'user.name'},$cdom,$cnum);
1878: my $ccrole;
1879: if ($crstype eq 'Community') {
1880: $ccrole = 'co';
1881: } else {
1882: $ccrole = 'cc';
1883: }
1884: foreach my $group (keys(%cgroups)) {
1885: $group_privs{$group} =
1886: $env{'user.priv.'.$ccrole.'./'.$cdom.'/'.$cnum.'./'.$cdom.'/'.$cnum.'/'.$group};
1887: }
1888: $newgroups{'/'.$cdom.'/'.$cnum} = \%group_privs;
1889: my $area = '/'.$cdom.'/'.$cnum;
1890: my $spec = $role.'.'.$area;
1891: if ($usec ne '') {
1892: $spec .= '/'.$usec;
1893: $area .= '/'.$usec;
1894: }
1895: if ($role =~ /^cr/) {
1896: &Apache::lonnet::custom_roleprivs(\%newrole,$role,$cdom,$cnum,$spec,$area);
1897: } else {
1898: &Apache::lonnet::standard_roleprivs(\%newrole,$role,$cdom,$spec,$cnum,$area);
1899: }
1900: &Apache::lonnet::set_userprivs(\%userroles,\%newrole,\%newgroups);
1901: my $adhocstart = $refresh-1;
1902: $userroles{'user.role.'.$spec} = $adhocstart.'.';
1903: &Apache::lonnet::appenv(\%userroles,[$role,'cm']);
1904: }
1905: }
1906: }
1907: return;
1908: }
1909:
1910: sub check_forcc {
1911: my ($cdom,$cnum,$refresh,$update,$then,$crstype) = @_;
1912: my ($is_cc,$ccrole);
1913: if ($crstype eq 'Community') {
1914: $ccrole = 'co';
1915: } else {
1916: $ccrole = 'cc';
1917: }
1918: if (&Apache::lonnet::is_course($cdom,$cnum)) {
1919: my $envkey = 'user.role.'.$ccrole.'./'.$cdom.'/'.$cnum;
1920: if (defined($env{$envkey})) {
1921: $is_cc = 1;
1922: my ($tstart,$tend)=split(/\./,$env{$envkey});
1923: my $limit = $update;
1924: if ($env{'request.role'} eq $ccrole.'./'.$cdom.'/'.$cnum) {
1925: $limit = $then;
1926: }
1927: if ($tstart && $tstart>$refresh) { $is_cc = 0; }
1928: if ($tend && $tend <$limit) { $is_cc = 0; }
1929: }
1930: }
1931: return $is_cc;
1932: }
1933:
1934: sub courselink {
1935: my ($roledom,$rowtype,$role) = @_;
1936: my $courseform=&Apache::loncommon::selectcourse_link
1937: ('rolechoice','course'.$rowtype.'_'.$roledom.'_'.$role,
1938: 'domain'.$rowtype.'_'.$roledom.'_'.$role,
1939: 'coursedesc'.$rowtype.'_'.$roledom.'_'.$role,
1940: $roledom.':'.$role,undef,'Course/Community');
1941: my $hiddenitems = '<input type="hidden" name="domain'.$rowtype.'_'.$roledom.'_'.$role.'" value="'.$roledom.'" />'.
1942: '<input type="hidden" name="origdom'.$rowtype.'_'.$roledom.'_'.$role.'" value="'.$roledom.'" />'.
1943: '<input type="hidden" name="course'.$rowtype.'_'.$roledom.'_'.$role.'" value="" />'.
1944: '<input type="hidden" name="coursedesc'.$rowtype.'_'.$roledom.'_'.$role.'" value="" />';
1945: return $courseform.$hiddenitems;
1946: }
1947:
1948: sub coursepick_jscript {
1949: my %js_lt = &Apache::lonlocal::texthash(
1950: 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.",
1951: youc => 'You can only use this screen to select courses and communities in the current domain.',
1952: );
1953: &js_escape(\%js_lt);
1954: my $verify_script = <<"END";
1955: <script type="text/javascript">
1956: // <![CDATA[
1957: function verifyCoursePick(caller) {
1958: var numbutton = getIndex(caller)
1959: var pickedCourse = document.rolechoice.elements[numbutton+4].value
1960: var pickedDomain = document.rolechoice.elements[numbutton+2].value
1961: if (document.rolechoice.elements[numbutton+2].value == document.rolechoice.elements[numbutton+3].value) {
1962: if (pickedCourse != '') {
1963: if (numbutton != -1) {
1964: var courseTarget = "cc./"+pickedDomain+"/"+pickedCourse
1965: document.rolechoice.elements[numbutton+1].name = courseTarget
1966: document.rolechoice.submit()
1967: }
1968: }
1969: else {
1970: alert("$js_lt{'plsu'}");
1971: }
1972: }
1973: else {
1974: alert("$js_lt{'youc'}")
1975: }
1976: }
1977: function getIndex(caller) {
1978: for (var i=0;i<document.rolechoice.elements.length;i++) {
1979: if (document.rolechoice.elements[i] == caller) {
1980: return i;
1981: }
1982: }
1983: return -1;
1984: }
1985: // ]]>
1986: </script>
1987: END
1988: return $verify_script;
1989: }
1990:
1991: sub coauthorlink {
1992: my ($dcdom,$rowtype) = @_;
1993: my $coauthorform=&Apache::loncommon::selectauthor_link('rolechoice',$dcdom);
1994: my $hiddenitems = '<input type="hidden" name="adhoccauname'.$rowtype.'_'.$dcdom.'" value="" />';
1995: return $coauthorform.$hiddenitems;
1996: }
1997:
1998: sub display_cc_role {
1999: my $rolekey = shift;
2000: my ($roletext,$roletext_end);
2001: my $advanced = $env{'user.adv'};
2002: my $tryagain = $env{'form.tryagain'};
2003: unless ($rolekey =~/^error\:/) {
2004: if ($rolekey =~ m{^user\.role\.(cc|co)\./($match_domain)/($match_courseid)$}) {
2005: my $ccrole = $1;
2006: my $tdom = $2;
2007: my $trest = $3;
2008: my $tcourseid = $tdom.'_'.$trest;
2009: my $trolecode = $ccrole.'./'.$tdom.'/'.$trest;
2010: my $twhere;
2011: my $ttype;
2012: my $tbg='LC_roles_is';
2013: my %newhash=&Apache::lonnet::coursedescription($tcourseid);
2014: if (%newhash) {
2015: $twhere=$newhash{'description'}.
2016: ' <span class="LC_fontsize_small">'.
2017: &Apache::loncommon::syllabuswrapper(&mt('Syllabus'),$trest,$tdom).
2018: '</span>';
2019: $ttype = $newhash{'type'};
2020: } else {
2021: $twhere=&mt('Currently not available');
2022: $env{'course.'.$tcourseid.'.description'}=$twhere;
2023: }
2024: my $trole = &Apache::lonnet::plaintext($ccrole,$ttype,$tcourseid);
2025: $twhere.="<br />".&mt('Domain').":".$tdom;
2026: ($roletext,$roletext_end) = &build_roletext($trolecode,$tdom,$trest,'is',$tryagain,$advanced,'',$tbg,$trole,$twhere,'','','',1,'');
2027: }
2028: }
2029: return ($roletext,$roletext_end);
2030: }
2031:
2032: sub adhoc_roles_row {
2033: my ($dcdom,$rowtype) = @_;
2034: my $output = &Apache::loncommon::continue_data_table_row()
2035: .' <td colspan="5" class="LC_textsize_mobile">'
2036: .&mt('[_1]Ad hoc[_2] roles in domain [_3]'
2037: ,'<span class="LC_cusr_emph">','</span>',$dcdom)
2038: .' -- ';
2039: my $role = 'cc';
2040: my $selectcclink = &courselink($dcdom,$rowtype,$role);
2041: my $ccrole = &Apache::lonnet::plaintext('co',undef,undef,1);
2042: my $carole = &Apache::lonnet::plaintext('ca');
2043: my $selectcalink = &coauthorlink($dcdom,$rowtype);
2044: $output.=$ccrole.': '.$selectcclink
2045: .' | '.$carole.': '.$selectcalink.'</td>'
2046: .&Apache::loncommon::end_data_table_row();
2047: return $output;
2048: }
2049:
2050: sub adhoc_customroles_row {
2051: my ($role,$dhdom,$rowtype,$update,$then) = @_;
2052: my $liverole = 1;
2053: my ($tstart,$tend)=split(/\./,$env{"user.role.$role./$dhdom/"});
2054: my $limit = $update;
2055: if (($role eq 'dh') && ($env{'request.role'} eq 'dh./'.$dhdom.'/')) {
2056: $limit = $then;
2057: }
2058: if ($tstart && $tstart>$limit) { $liverole = 0; }
2059: if ($tend && $tend <$limit) { $liverole = 0; }
2060: return unless ($liverole);
2061: my %domdefaults = &Apache::lonnet::get_domain_defaults($dhdom);
2062: if (ref($domdefaults{'adhocroles'}) eq 'HASH') {
2063: if (scalar(keys(%{$domdefaults{'adhocroles'}})) > 0) {
2064: return &Apache::loncommon::continue_data_table_row()
2065: .' <td colspan="5" class="LC_textsize_mobile">'
2066: .&mt('[_1]Ad hoc[_2] course/community roles in domain [_3]',
2067: '<span class="LC_cusr_emph">','</span>',$dhdom)
2068: .' -- '.&courselink($dhdom,$rowtype,$role);
2069: }
2070: }
2071: return;
2072: }
2073:
2074: sub recent_filename {
2075: my $area=shift;
2076: return 'nohist_recent_'.&escape($area);
2077: }
2078:
2079: sub courseloadpage {
2080: my ($courseid) = @_;
2081: my $startpage;
2082: my %entry_settings = &Apache::lonnet::get('nohist_whatsnew',
2083: [$courseid.':courseinit']);
2084: my ($tmp) = %entry_settings;
2085: unless ($tmp =~ /^error: 2 /) {
2086: $startpage = $entry_settings{$courseid.':courseinit'};
2087: }
2088: if ($startpage eq '') {
2089: if (exists($env{'environment.course_init_display'})) {
2090: $startpage = $env{'environment.course_init_display'};
2091: }
2092: }
2093: return $startpage;
2094: }
2095:
2096: sub update_session_roles {
2097: my $then=$env{'user.login.time'};
2098: my $refresh=$env{'user.refresh.time'};
2099: if (!$refresh) {
2100: $refresh = $then;
2101: }
2102: my $update = $env{'user.update.time'};
2103: if (!$update) {
2104: $update = $then;
2105: }
2106: my $now = time;
2107: my %roleshash =
2108: &Apache::lonnet::get_my_roles('','','userroles',
2109: ['active','future','previous'],
2110: undef,undef,1);
2111: my ($msg,@newsec,$oldsec,$currrole_expired,@changed_roles,
2112: %changed_groups,%dbroles,%deletedroles,%allroles,%allgroups,
2113: %userroles,%checkedgroup,%crprivs,$hasgroups,%rolechange,
2114: %groupchange,%newrole,%newgroup,%customprivchg,%groups_roles,
2115: @rolecodes);
2116: my @possroles = ('cr','st','ta','ad','ep','in','co','cc');
2117: my %courseroles;
2118: foreach my $item (keys(%roleshash)) {
2119: my ($uname,$udom,$role,$remainder) = split(/:/,$item,4);
2120: my ($tstart,$tend) = split(/:/,$roleshash{$item});
2121: my ($section,$group,@group_privs);
2122: if ($role =~ m{^gr/(\w*)$}) {
2123: $role = 'gr';
2124: my $priv = $1;
2125: next if ($tstart eq '-1');
2126: if (&curr_role_status($tstart,$tend,$refresh,$now) eq 'active') {
2127: if ($priv ne '') {
2128: push(@group_privs,$priv);
2129: }
2130: }
2131: if ($remainder =~ /:/) {
2132: (my $additional_privs,$group) =
2133: ($remainder =~ /^([\w:]+):([^:]+)$/);
2134: if ($additional_privs ne '') {
2135: if (&curr_role_status($tstart,$tend,$refresh,$now) eq 'active') {
2136: push(@group_privs,split(/:/,$additional_privs));
2137: @group_privs = sort(@group_privs);
2138: }
2139: }
2140: } else {
2141: $group = $remainder;
2142: }
2143: } else {
2144: $section = $remainder;
2145: }
2146: my $where = "/$udom/$uname";
2147: if ($section ne '') {
2148: $where .= "/$section";
2149: } elsif ($group ne '') {
2150: $where .= "/$group";
2151: }
2152: my $rolekey = "$role.$where";
2153: my $envkey = "user.role.$rolekey";
2154: $dbroles{$envkey} = 1;
2155: if (($env{'request.role'} eq $rolekey) && ($role ne 'st')) {
2156: if (&curr_role_status($tstart,$tend,$refresh,$now) ne 'active') {
2157: $currrole_expired = 1;
2158: }
2159: }
2160: if ($env{$envkey} eq '') {
2161: my $status_in_db =
2162: &curr_role_status($tstart,$tend,$now,$now);
2163: &gather_roleprivs(\%allroles,\%allgroups,\%userroles,$where,$role,$tstart,$tend,$status_in_db);
2164: if (($role eq 'st') && ($env{'request.role'} =~ m{^\Q$role\E\.\Q/$udom/$uname\E})) {
2165: if ($status_in_db eq 'active') {
2166: if ($section eq '') {
2167: push(@newsec,'none');
2168: } else {
2169: push(@newsec,$section);
2170: }
2171: }
2172: } else {
2173: unless (grep(/^\Q$role\E$/,@changed_roles)) {
2174: push(@changed_roles,$role);
2175: }
2176: if ($status_in_db ne 'previous') {
2177: if ($role eq 'gr') {
2178: $newgroup{$rolekey} = $status_in_db;
2179: if ($status_in_db eq 'active') {
2180: unless (ref($courseroles{$udom}) eq 'HASH') {
2181: %{$courseroles{$udom}} =
2182: &Apache::lonnet::get_my_roles('','','userroles',
2183: ['active'],\@possroles,
2184: [$udom],1);
2185: }
2186: &Apache::lonnet::get_groups_roles($udom,$uname,
2187: $courseroles{$udom},
2188: \@rolecodes,\%groups_roles);
2189: }
2190: } else {
2191: $newrole{$rolekey} = $status_in_db;
2192: }
2193: }
2194: }
2195: } else {
2196: my ($currstart,$currend) = split(/\./,$env{$envkey});
2197: if ($role eq 'gr') {
2198: if (&curr_role_status($currstart,$currend,$refresh,$update) ne 'previous') {
2199: $hasgroups = 1;
2200: }
2201: }
2202: if (($currstart ne $tstart) || ($currend ne $tend)) {
2203: my $status_in_env =
2204: &curr_role_status($currstart,$currend,$refresh,$update);
2205: my $status_in_db =
2206: &curr_role_status($tstart,$tend,$now,$now);
2207: if ($status_in_env ne $status_in_db) {
2208: if ($status_in_env eq 'active') {
2209: if ($role eq 'st') {
2210: if ($env{'request.role'} eq $rolekey) {
2211: my $switchsection;
2212: unless (ref($courseroles{$udom}) eq 'HASH') {
2213: %{$courseroles{$udom}} =
2214: &Apache::lonnet::get_my_roles('','','userroles',
2215: ['active'],
2216: \@possroles,[$udom],1);
2217: }
2218: foreach my $crsrole (keys(%{$courseroles{$udom}})) {
2219: if ($crsrole =~ /^\Q$uname\E:\Q$udom\E:st/) {
2220: $switchsection = 1;
2221: last;
2222: }
2223: }
2224: if ($switchsection) {
2225: if ($section eq '') {
2226: $oldsec = 'none';
2227: } else {
2228: $oldsec = $section;
2229: }
2230: &gather_roleprivs(\%allroles,\%allgroups,\%userroles,$where,$role,$tstart,$tend,$status_in_db);
2231: } else {
2232: $currrole_expired = 1;
2233: next;
2234: }
2235: }
2236: }
2237: unless ($rolekey eq $env{'request.role'}) {
2238: if ($role eq 'gr') {
2239: &Apache::lonnet::delete_env_groupprivs($where,\%courseroles,\@possroles);
2240: } else {
2241: &Apache::lonnet::delenv("user.priv.$rolekey",undef,[$role]);
2242: &Apache::lonnet::delenv("user.priv.cm.$where",undef,['cm']);
2243: }
2244: &gather_roleprivs(\%allroles,\%allgroups,\%userroles,$where,$role,$tstart,$tend,$status_in_db);
2245: }
2246: } elsif ($status_in_db eq 'active') {
2247: if (($role eq 'st') &&
2248: ($env{'request.role'} =~ m{^\Q$role\E\.\Q/$udom/$uname\E})) {
2249: if ($section eq '') {
2250: push(@newsec,'none');
2251: } else {
2252: push(@newsec,$section);
2253: }
2254: } elsif ($role eq 'gr') {
2255: unless (ref($courseroles{$udom}) eq 'HASH') {
2256: %{$courseroles{$udom}} =
2257: &Apache::lonnet::get_my_roles('','','userroles',
2258: ['active'],
2259: \@possroles,[$udom],1);
2260: }
2261: &Apache::lonnet::get_groups_roles($udom,$uname,
2262: $courseroles{$udom},
2263: \@rolecodes,\%groups_roles);
2264: }
2265: &gather_roleprivs(\%allroles,\%allgroups,\%userroles,$where,$role,$tstart,$tend,$status_in_db);
2266: }
2267: unless (grep(/^\Q$role\E$/,@changed_roles)) {
2268: push(@changed_roles,$role);
2269: }
2270: if ($role eq 'gr') {
2271: $groupchange{"/$udom/$uname"}{$group} = $status_in_db;
2272: } else {
2273: $rolechange{$rolekey} = $status_in_db;
2274: }
2275: }
2276: } else {
2277: if ($role eq 'gr') {
2278: unless ($checkedgroup{$where}) {
2279: my $status_in_db =
2280: &curr_role_status($tstart,$tend,$refresh,$now);
2281: if ($tstart eq '-1') {
2282: $status_in_db = 'deleted';
2283: }
2284: unless (ref($courseroles{$udom}) eq 'HASH') {
2285: %{$courseroles{$udom}} =
2286: &Apache::lonnet::get_my_roles('','','userroles',
2287: ['active'],
2288: \@possroles,[$udom],1);
2289: }
2290: if (ref($courseroles{$udom}) eq 'HASH') {
2291: foreach my $item (keys(%{$courseroles{$udom}})) {
2292: next unless ($item =~ /^\Q$uname\E/);
2293: my ($cnum,$cdom,$crsrole,$crssec) = split(/:/,$item);
2294: my $area = '/'.$cdom.'/'.$cnum;
2295: if ($crssec ne '') {
2296: $area .= '/'.$crssec;
2297: }
2298: my $crsrolekey = $crsrole.'.'.$area;
2299: my $currprivs = $env{'user.priv.'.$crsrole.'.'.$area.'.'.$where};
2300: $currprivs =~ s/^://;
2301: $currprivs =~ s/\&F$//;
2302: my @curr_grp_privs = split(/\&F:/,$currprivs);
2303: @curr_grp_privs = sort(@curr_grp_privs);
2304: my @diffs;
2305: if (@group_privs > 0 || @curr_grp_privs > 0) {
2306: @diffs = &Apache::loncommon::compare_arrays(\@group_privs,\@curr_grp_privs);
2307: }
2308: if (@diffs == 0) {
2309: last;
2310: } else {
2311: unless(grep(/^\Qgr\E$/,@rolecodes)) {
2312: push(@rolecodes,'gr');
2313: }
2314: &gather_roleprivs(\%allroles,\%allgroups,
2315: \%userroles,$where,$role,
2316: $tstart,$tend,$status_in_db);
2317: if ($status_in_db eq 'active') {
2318: &Apache::lonnet::get_groups_roles($udom,$uname,
2319: $courseroles{$udom},
2320: \@rolecodes,\%groups_roles);
2321: }
2322: $changed_groups{$udom.'_'.$uname}{$group} = $status_in_db;
2323: last;
2324: }
2325: }
2326: }
2327: $checkedgroup{$where} = 1;
2328: }
2329: } elsif ($role =~ /^cr/) {
2330: my $status_in_db =
2331: &curr_role_status($tstart,$tend,$refresh,$now);
2332: my ($rdummy,$rest) = split(/\//,$role,2);
2333: my %currpriv;
2334: unless (exists($crprivs{$rest})) {
2335: my ($rdomain,$rauthor,$rrole)=split(/\//,$rest);
2336: my $homsvr=&Apache::lonnet::homeserver($rauthor,$rdomain);
2337: if (&Apache::lonnet::hostname($homsvr) ne '') {
2338: my ($rdummy,$roledef)=
2339: &Apache::lonnet::get('roles',["rolesdef_$rrole"],
2340: $rdomain,$rauthor);
2341: if (($rdummy ne 'con_lost') && ($roledef ne '')) {
2342: my $i = 0;
2343: my @scopes = ('sys','dom','crs');
2344: my @privs = split(/\_/,$roledef);
2345: foreach my $priv (@privs) {
2346: my ($blank,@prv) = split(/:/,$priv);
2347: @prv = map { $_ .= (/\&\w+$/ ? '':'&F') } @prv;
2348: if (@prv) {
2349: $priv = ':'.join(':',sort(@prv));
2350: }
2351: $crprivs{$rest}{$scopes[$i]} = $priv;
2352: $i++;
2353: }
2354: }
2355: }
2356: }
2357: my $status_in_env =
2358: &curr_role_status($currstart,$currend,$refresh,$update);
2359: if ($status_in_env eq 'active') {
2360: $currpriv{sys} = $env{"user.priv.$rolekey./"};
2361: $currpriv{dom} = $env{"user.priv.$rolekey./$udom/"};
2362: $currpriv{crs} = $env{"user.priv.$rolekey.$where"};
2363: if (keys(%crprivs)) {
2364: if (($crprivs{$rest}{sys} ne $currpriv{sys}) ||
2365: ($crprivs{$rest}{dom} ne $currpriv{dom})
2366: ||
2367: ($crprivs{$rest}{crs} ne $currpriv{crs})) {
2368: &gather_roleprivs(\%allroles,\%allgroups,
2369: \%userroles,$where,$role,
2370: $tstart,$tend,$status_in_db);
2371: unless (grep(/^\Q$role\E$/,@changed_roles)) {
2372: push(@changed_roles,$role);
2373: }
2374: $customprivchg{$rolekey} = $status_in_env;
2375: }
2376: }
2377: }
2378: }
2379: }
2380: }
2381: }
2382: foreach my $envkey (keys(%env)) {
2383: next unless ($envkey =~ /^user\.role\./);
2384: next if ($dbroles{$envkey});
2385: next if ($envkey eq 'user.role.'.$env{'request.role'});
2386: my ($currstart,$currend) = split(/\./,$env{$envkey});
2387: my $status_in_env =
2388: &curr_role_status($currstart,$currend,$refresh,$update);
2389: my ($rolekey) = ($envkey =~ /^user\.role\.(.+)$/);
2390: my ($role,$rest)=split(m{\./},$rolekey,2);
2391: $rest = '/'.$rest;
2392: if (&Apache::lonnet::delenv($envkey,undef,[$role])) {
2393: if ($status_in_env eq 'active') {
2394: if ($role eq 'gr') {
2395: &Apache::lonnet::delete_env_groupprivs($rest,\%courseroles,
2396: \@possroles);
2397: } else {
2398: &Apache::lonnet::delenv("user.priv.$rolekey",undef,[$role]);
2399: &Apache::lonnet::delenv("user.priv.cm.$rest",undef,['cm']);
2400: }
2401: unless (grep(/^\Q$role\E$/,@changed_roles)) {
2402: push(@changed_roles,$role);
2403: }
2404: $deletedroles{$rolekey} = 1;
2405: }
2406: }
2407: }
2408: if (($oldsec) && (@newsec > 0)) {
2409: if (@newsec > 1) {
2410: $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>';
2411: } else {
2412: my $newrole = $env{'request.role'};
2413: if ($newsec[0] eq 'none') {
2414: $newrole =~ s{(/[^/])$}{};
2415: } elsif ($oldsec eq 'none') {
2416: $newrole .= '/'.$newsec[0];
2417: } else {
2418: $newrole =~ s{([^/]+)$}{$newsec[0]};
2419: }
2420: my $coursedesc = $env{'course.'.$env{'request.course.id'}.'.description'};
2421: my ($curr_role) = ($env{'request.role'} =~ m{^(\w+)\./$match_domain/$match_courseid});
2422: my %temp=('logout_'.$env{'request.course.id'} => time);
2423: &Apache::lonnet::put('email_status',\%temp);
2424: &Apache::lonnet::delenv('user.state.'.$env{'request.course.id'});
2425: &Apache::lonnet::appenv({"request.course.id" => '',
2426: "request.course.fn" => '',
2427: "request.course.uri" => '',
2428: "request.course.sec" => '',
2429: "request.role" => 'cm',
2430: "request.role.adv" => $env{'user.adv'},
2431: "request.role.domain" => $env{'user.domain'}});
2432: my $rolename = &Apache::loncommon::plainname($curr_role);
2433: $msg = '<p><form name="reselectrole" action="/adm/roles" method="post" />'.
2434: '<input type="hidden" name="newrole" value="" />'.
2435: '<input type="hidden" name="selectrole" value="1" />'.
2436: '<span class="LC_info">'.
2437: &mt('Your section has changed for your current [_1] role in [_2].',$rolename,$coursedesc).'</span><br />';
2438: my $button = '<input type="button" name="sectionchanged" value="'.
2439: &mt('Re-Select').'" onclick="javascript:enterrole(this.form,'."'$newrole','sectionchanged'".')" />';
2440: if ($newsec[0] eq 'none') {
2441: $msg .= &mt('[_1] to continue with your new section-less role.',$button);
2442: } else {
2443: $msg .= &mt('[_1] to continue with your new role in section ([_2]).',$button,$newsec[0]);
2444: }
2445: $msg .= '</form></p>';
2446: }
2447: } elsif ($currrole_expired) {
2448: $msg .= '<p class="LC_warning">';
2449: if (&Apache::loncommon::show_course()) {
2450: $msg .= &mt('Your role in the current course has expired.');
2451: } else {
2452: $msg .= &mt('Your current role has expired.');
2453: }
2454: $msg .= '<br />'.&mt('However you can continue to use this role until you logout, click the "Re-Select" button, or your session has been idle for more than 24 hours.').'</p>';
2455: }
2456: &Apache::lonnet::set_userprivs(\%userroles,\%allroles,\%allgroups,\%groups_roles);
2457: my ($curr_is_adv,$curr_role_adv,$curr_author,$curr_role_author);
2458: $curr_author = $env{'user.author'};
2459: if (($env{'request.role'} =~/^au/) || ($env{'request.role'} =~/^ca/) ||
2460: ($env{'request.role'} =~/^aa/)) {
2461: $curr_role_author=1;
2462: }
2463: $curr_is_adv = $env{'user.adv'};
2464: $curr_role_adv = $env{'request.role.adv'};
2465: if (keys(%userroles) > 0) {
2466: foreach my $role (@changed_roles) {
2467: unless(grep(/^\Q$role\E$/,@rolecodes)) {
2468: push(@rolecodes,$role);
2469: }
2470: }
2471: unless(grep(/^\Qcm\E$/,@rolecodes)) {
2472: push(@rolecodes,'cm');
2473: }
2474: &Apache::lonnet::appenv(\%userroles,\@rolecodes);
2475: }
2476: my %newenv;
2477: if (&Apache::lonnet::is_advanced_user($env{'user.domain'},$env{'user.name'})) {
2478: unless ($curr_is_adv) {
2479: $newenv{'user.adv'} = 1;
2480: }
2481: } elsif ($curr_is_adv && !$curr_role_adv) {
2482: &Apache::lonnet::delenv('user.adv');
2483: }
2484: my %authorroleshash =
2485: &Apache::lonnet::get_my_roles('','','userroles',['active'],['au','ca','aa']);
2486: if (keys(%authorroleshash)) {
2487: unless ($curr_author) {
2488: $newenv{'user.author'} = 1;
2489: }
2490: } elsif ($curr_author && !$curr_role_author) {
2491: &Apache::lonnet::delenv('user.author');
2492: }
2493: if ($env{'request.course.id'}) {
2494: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
2495: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
2496: my (@activecrsgroups,$crsgroupschanged);
2497: if ($env{'request.course.groups'}) {
2498: @activecrsgroups = split(/:/,$env{'request.course.groups'});
2499: foreach my $item (keys(%deletedroles)) {
2500: if ($item =~ m{^gr\./\Q$cdom\E/\Q$cnum\E/(\w+)$}) {
2501: if (grep(/^\Q$1\E$/,@activecrsgroups)) {
2502: $crsgroupschanged = 1;
2503: last;
2504: }
2505: }
2506: }
2507: }
2508: unless ($crsgroupschanged) {
2509: foreach my $item (keys(%newgroup)) {
2510: if ($item =~ m{^gr\./\Q$cdom\E/\Q$cnum\E/(\w+)$}) {
2511: if ($newgroup{$item} eq 'active') {
2512: $crsgroupschanged = 1;
2513: last;
2514: }
2515: }
2516: }
2517: }
2518: if ((ref($changed_groups{$env{'request.course.id'}}) eq 'HASH') ||
2519: (ref($groupchange{"/$cdom/$cnum"}) eq 'HASH') ||
2520: ($crsgroupschanged)) {
2521: my %grouproles = &Apache::lonnet::get_my_roles('','','userroles',
2522: ['active'],['gr'],[$cdom],1);
2523: my @activegroups;
2524: foreach my $item (keys(%grouproles)) {
2525: next unless($item =~ /^\Q$cnum\E:\Q$cdom\E/);
2526: my $group;
2527: my ($crsn,$crsd,$role,$remainder) = split(/:/,$item,4);
2528: if ($remainder =~ /:/) {
2529: (my $other,$group) = ($remainder =~ /^([\w:]+):([^:]+)$/);
2530: } else {
2531: $group = $remainder;
2532: }
2533: if ($group ne '') {
2534: push(@activegroups,$group);
2535: }
2536: }
2537: $newenv{'request.course.groups'} = join(':',@activegroups);
2538: }
2539: }
2540: if (keys(%newenv)) {
2541: &Apache::lonnet::appenv(\%newenv);
2542: }
2543: if (!@changed_roles || !(keys(%changed_groups))) {
2544: my ($rolesmsg,$groupsmsg);
2545: if (!@changed_roles) {
2546: if (&Apache::loncommon::show_course()) {
2547: $rolesmsg = &mt('No new courses or communities');
2548: } else {
2549: $rolesmsg = &mt('No role changes');
2550: }
2551: }
2552: if ($hasgroups && !(keys(%changed_groups)) && !(grep(/gr/,@changed_roles))) {
2553: $groupsmsg = &mt('No changes in course/community groups');
2554: }
2555: if (!@changed_roles && !(keys(%changed_groups))) {
2556: if (($msg ne '') || ($groupsmsg ne '')) {
2557: $msg .= '<ul>';
2558: if ($rolesmsg) {
2559: $msg .= '<li>'.$rolesmsg.'</li>';
2560: }
2561: if ($groupsmsg) {
2562: $msg .= '<li>'.$groupsmsg.'</li>';
2563: }
2564: $msg .= '</ul>';
2565: } else {
2566: $msg = ' <span class="LC_cusr_emph">'.$rolesmsg.'</span><br />';
2567: }
2568: return $msg;
2569: }
2570: }
2571: my $changemsg;
2572: if (@changed_roles > 0) {
2573: if (keys(%newgroup) > 0) {
2574: my $groupmsg;
2575: my (%curr_groups,%groupdescs,$currcrs);
2576: foreach my $item (sort(keys(%newgroup))) {
2577: if (&is_active_course($item,$refresh,$update,\%roleshash)) {
2578: if ($item =~ m{^gr\./($match_domain/$match_courseid)/(\w+)$}) {
2579: my ($cdom,$cnum) = split(/\//,$1);
2580: my $group = $2;
2581: if ($currcrs ne $cdom.'_'.$cnum) {
2582: if ($currcrs) {
2583: $groupmsg .= '</ul><li>';
2584: }
2585: $groupmsg .= '<li><b>'.
2586: $env{'course.'.$cdom.'_'.$cnum.'.description'}.'</b><ul>';
2587: $currcrs = $cdom.'_'.$cnum;
2588: }
2589: my $groupdesc;
2590: unless (ref($curr_groups{$cdom.'_'.$cnum}) eq 'HASH') {
2591: %{$curr_groups{$cdom.'_'.$cnum}} =
2592: &Apache::longroup::coursegroups($cdom,$cnum);
2593: }
2594: unless ((ref($groupdescs{$cdom.'_'.$cnum}) eq 'HASH') &&
2595: ($groupdescs{$cdom.'_'.$cnum}{$group})) {
2596:
2597: my %groupinfo =
2598: &Apache::longroup::get_group_settings($curr_groups{$cdom.'_'.$cnum}{$group});
2599: $groupdescs{$cdom.'_'.$cnum}{$group} =
2600: &unescape($groupinfo{'description'});
2601: }
2602: $groupdesc = $groupdescs{$cdom.'_'.$cnum}{$group};
2603: if ($groupdesc) {
2604: $groupmsg .= '<li>'.
2605: &mt('[_1] with status: [_2].',
2606: '<b>'.$groupdesc.'</b>',$newgroup{$item}).'</li>';
2607: }
2608: }
2609: }
2610: if ($groupmsg) {
2611: $groupmsg .= '</ul></li>';
2612: }
2613: }
2614: if ($groupmsg) {
2615: $changemsg .= '<li>'.
2616: &mt('Courses with new groups').'</li>'.
2617: '<ul>'.$groupmsg.'</ul></li>';
2618: }
2619: }
2620: if (keys(%newrole) > 0) {
2621: my $newmsg;
2622: foreach my $item (sort(keys(%newrole))) {
2623: my $desc = &role_desc($item,$update,$refresh,$now);
2624: if ($desc) {
2625: $newmsg .= '<li>'.
2626: &mt('[_1] with status: [_2].',
2627: $desc,&mt($newrole{$item})).'</li>';
2628: }
2629: }
2630: if ($newmsg) {
2631: $changemsg .= '<li>'.&mt('New roles').
2632: '<ul>'.$newmsg.'</ul>'.
2633: '</li>';
2634: }
2635: }
2636: if (keys(%customprivchg) > 0) {
2637: my $privmsg;
2638: foreach my $item (sort(keys(%customprivchg))) {
2639: my $desc = &role_desc($item,$update,$refresh,$now);
2640: if ($desc) {
2641: $privmsg .= '<li>'.$desc.'</li>';
2642: }
2643: }
2644: if ($privmsg) {
2645: $changemsg .= '<li>'.
2646: &mt('Custom roles with privilege changes').
2647: '<ul>'.$privmsg.'</ul>'.
2648: '</li>';
2649: }
2650: }
2651: if (keys(%rolechange) > 0) {
2652: my $rolemsg;
2653: foreach my $item (sort(keys(%rolechange))) {
2654: my $desc = &role_desc($item,$update,$refresh,$now);
2655: if ($desc) {
2656: $rolemsg .= '<li>'.
2657: &mt('[_1] status now: [_2].',$desc,
2658: $rolechange{$item}).'</li>';
2659: }
2660: }
2661: if ($rolemsg) {
2662: $changemsg .= '<li>'.
2663: &mt('Existing roles with status changes').'</li>'.
2664: '<ul>'.$rolemsg.'</ul>'.
2665: '</li>';
2666: }
2667: }
2668: if (keys(%deletedroles) > 0) {
2669: my $delmsg;
2670: foreach my $item (sort(keys(%deletedroles))) {
2671: my $desc = &role_desc($item,$update,$refresh,$now);
2672: if ($desc) {
2673: $delmsg .= '<li>'.$desc.'</li>';
2674: }
2675: }
2676: if ($delmsg) {
2677: $changemsg .= '<li>'.
2678: &mt('Existing roles now expired').'</li>'.
2679: '<ul>'.$delmsg.'</ul>'.
2680: '</li>';
2681: }
2682: }
2683: }
2684: if ((keys(%changed_groups) > 0) || (keys(%groupchange) > 0)) {
2685: my $groupchgmsg;
2686: foreach my $key (sort(keys(%changed_groups))) {
2687: my $crs = 'gr/'.$key;
2688: $crs =~ s/_/\//;
2689: if (&is_active_course($crs,$refresh,$update,\%roleshash)) {
2690: if (ref($changed_groups{$key}) eq 'HASH') {
2691: my @showgroups;
2692: foreach my $group (sort(keys(%{$changed_groups{$key}}))) {
2693: if ($changed_groups{$key}{$group} eq 'active') {
2694: push(@showgroups,$group);
2695: }
2696: }
2697: if (@showgroups > 0) {
2698: $groupchgmsg .= '<li>'.
2699: &mt('Course: [_1], groups: [_2].',$key,
2700: join(', ',@showgroups)).
2701: '</li>';
2702: }
2703: }
2704: }
2705: }
2706: if (keys(%groupchange) > 0) {
2707: $groupchgmsg .= '<li>'.
2708: &mt('Existing course/community groups with status changes').'</li>'.
2709: '<ul>';
2710: foreach my $crs (sort(keys(%groupchange))) {
2711: my $cid = $crs;
2712: $cid=~s{^/}{};
2713: $cid=~s{/}{_};
2714: my $crsdesc = $env{'course.'.$cid.'.description'};
2715: my $cdom = $env{'course.'.$cid.'.domain'};
2716: my $cnum = $env{'course.'.$cid.'.num'};
2717: my %curr_groups = &Apache::longroup::coursegroups($cdom,$cnum);
2718: my %groupdesc;
2719: if (ref($groupchange{$crs}) eq 'HASH') {
2720: $groupchgmsg .= '<li>'.&mt('Course/Community: [_1]','<b>'.$crsdesc.'</b><ul>');
2721: foreach my $group (sort(keys(%{$groupchange{$crs}}))) {
2722: unless ($groupdesc{$group}) {
2723: my %groupinfo = &Apache::longroup::get_group_settings($curr_groups{$group});
2724: $groupdesc{$group} = &unescape($groupinfo{'description'});
2725: }
2726: $groupchgmsg .= '<li>'.&mt('Group: [_1] status now: [_2].','<b>'.$groupdesc{$group}.'</b>',$groupchange{$crs}{$group}).'</li>';
2727: }
2728: $groupchgmsg .= '</ul></li>';
2729: }
2730: }
2731: $groupchgmsg .= '</ul></li>';
2732: }
2733: if ($groupchgmsg) {
2734: $changemsg .= '<li>'.
2735: &mt('Courses with changes in groups').'</li>'.
2736: '<ul>'.$groupchgmsg.'</ul></li>';
2737: }
2738: }
2739: if ($changemsg) {
2740: $msg .= '<ul>'.$changemsg.'</ul>';
2741: } else {
2742: if (&Apache::loncommon::show_course()) {
2743: $msg = &mt('No new courses or communities');
2744: } else {
2745: $msg = &mt('No role changes');
2746: }
2747: }
2748: return $msg;
2749: }
2750:
2751: sub role_desc {
2752: my ($item,$update,$refresh,$now) = @_;
2753: my ($where,$trolecode,$role,$tstatus,$tend,$tstart,$twhere,
2754: $trole,$tremark);
2755: &Apache::lonnet::role_status('user.role.'.$item,$update,$refresh,
2756: $now,\$role,\$where,\$trolecode,
2757: \$tstatus,\$tstart,\$tend);
2758: return unless ($role);
2759: if ($role =~ /^cr\//) {
2760: my ($rdummy,$rdomain,$rauthor,$rrole)=split(/\//,$role);
2761: $tremark = &mt('Custom role defined by [_1].',$rauthor.':'.$rdomain);
2762: }
2763: $trole=Apache::lonnet::plaintext($role);
2764: my ($tdom,$trest,$tsection)=
2765: split(/\//,Apache::lonnet::declutter($where));
2766: if (($role eq 'ca') || ($role eq 'aa')) {
2767: my $home = &Apache::lonnet::homeserver($trest,$tdom);
2768: $home = &Apache::lonnet::hostname($home);
2769: $twhere=&mt('User').': '.$trest.' '.&mt('Domain').
2770: ': '.$tdom.' '.&mt('Server').': '.$home;
2771: } elsif ($role eq 'au') {
2772: my $home = &Apache::lonnet::homeserver
2773: ($env{'user.name'},$env{'user.domain'});
2774: $home = &Apache::lonnet::hostname($home);
2775: $twhere=&mt('Domain').': '.$tdom.' '.&mt('Server').
2776: ': '.$home;
2777: } elsif ($trest) {
2778: my $tcourseid=$tdom.'_'.$trest;
2779: my $crstype = &Apache::loncommon::course_type($tcourseid);
2780: $trole = &Apache::lonnet::plaintext($role,$crstype,$tcourseid);
2781: if ($env{'course.'.$tcourseid.'.description'}) {
2782: $twhere=$env{'course.'.$tcourseid.'.description'};
2783: } else {
2784: my %newhash=&Apache::lonnet::coursedescription($tcourseid);
2785: if (%newhash) {
2786: $twhere=$newhash{'description'};
2787: } else {
2788: $twhere=&mt('Currently not available');
2789: }
2790: }
2791: if ($tsection) {
2792: $twhere.= ' '.&mt('Section').': '.$tsection;
2793: }
2794: if ($role ne 'st') {
2795: $twhere.= ' '.&mt('Domain').': '.$tdom;
2796: }
2797: } elsif ($tdom) {
2798: $twhere = &mt('Domain').': '.$tdom;
2799: }
2800: my $output;
2801: if ($trole) {
2802: $output = $trole;
2803: if ($twhere) {
2804: $output .= " -- $twhere";
2805: }
2806: if ($tremark) {
2807: $output .= '<br />'.$tremark;
2808: }
2809: }
2810: return $output;
2811: }
2812:
2813: sub curr_role_status {
2814: my ($start,$end,$refresh,$update) = @_;
2815: if (($start) && ($start<0)) { return 'deleted' };
2816: my $status = 'active';
2817: if (($end) && ($end<=$update)) {
2818: $status = 'previous';
2819: }
2820: if (($start) && ($refresh<$start)) {
2821: $status = 'future';
2822: }
2823: return $status;
2824: }
2825:
2826: sub gather_roleprivs {
2827: my ($allroles,$allgroups,$userroles,$area,$role,$tstart,$tend,$status) = @_;
2828: return unless ((ref($allroles) eq 'HASH') && (ref($allgroups) eq 'HASH') && (ref($userroles) eq 'HASH'));
2829: if (($area ne '') && ($role ne '')) {
2830: &Apache::lonnet::userrolelog($role,$env{'user.name'},$env{'user.domain'},
2831: $area,$tstart,$tend);
2832: my $spec=$role.'.'.$area;
2833: $userroles->{'user.role.'.$spec} = $tstart.'.'.$tend;
2834: my ($tdummy,$tdomain,$trest)=split(/\//,$area);
2835: if ($status eq 'active') {
2836: if ($role =~ /^cr\//) {
2837: &Apache::lonnet::custom_roleprivs($allroles,$role,$tdomain,$trest,$spec,$area);
2838: } elsif ($role eq 'gr') {
2839: my %rolehash = &Apache::lonnet::get('roles',[$area.'_'.$role],
2840: $env{'user.domain'},
2841: $env{'user.name'});
2842: my ($trole) = split(/_/,$rolehash{$area.'_'.$role},2);
2843: (undef,my $group_privs) = split(/\//,$trole);
2844: $group_privs = &unescape($group_privs);
2845: &Apache::lonnet::group_roleprivs($allgroups,$area,$group_privs,$tend,$tstart);
2846: } else {
2847: &Apache::lonnet::standard_roleprivs($allroles,$role,$tdomain,$spec,$trest,$area);
2848: }
2849: }
2850: }
2851: return;
2852: }
2853:
2854: sub is_active_course {
2855: my ($rolekey,$refresh,$update,$roleshashref) = @_;
2856: return unless(ref($roleshashref) eq 'HASH');
2857: my ($role,$cdom,$cnum) = split(/\//,$rolekey);
2858: my $is_active;
2859: foreach my $key (keys(%{$roleshashref})) {
2860: if ($key =~ /^\Q$cnum\E:\Q$cdom\E:/) {
2861: my ($tstart,$tend) = split(/:/,$roleshashref->{$key});
2862: my $status = &curr_role_status($tstart,$tend,$refresh,$update);
2863: if ($status eq 'active') {
2864: $is_active = 1;
2865: last;
2866: }
2867: }
2868: }
2869: return $is_active;
2870: }
2871:
2872: sub get_roles_functions {
2873: my ($rolescount,$cattype) = @_;
2874: my @links;
2875: push(@links,["javascript:rolesView('doupdate');",'start-here-22x22',&mt('Check for changes')]);
2876: if ($env{'environment.canrequest.author'}) {
2877: unless (&Apache::loncoursequeueadmin::is_active_author()) {
2878: push(@links,["javascript:rolesView('requestauthor');",'list-add-22x22',&mt('Request author role')]);
2879: }
2880: }
2881: if (($rolescount > 3) || ($env{'environment.recentroles'})) {
2882: push(@links,['/adm/preferences?action=changerolespref&returnurl=/adm/roles','role_hotlist-22x22',&mt('Hotlist')]);
2883: }
2884: if (&Apache::lonmenu::check_for_rcrs()) {
2885: push(@links,['/adm/requestcourse','rcrs-22x22',&mt('Request course')]);
2886: }
2887: if ($env{'form.state'} eq 'queued') {
2888: push(@links,["javascript:rolesView('noqueued');",'selfenrl-queue-22x22',&mt('Hide queued')]);
2889: } else {
2890: push(@links,["javascript:rolesView('queued');",'selfenrl-queue-22x22',&mt('Show queued')]);
2891: }
2892: if ($env{'user.adv'}) {
2893: if ($env{'form.display'} eq 'showall') {
2894: push(@links,["javascript:rolesView('noshowall');",'edit-redo-22x22',&mt('Exclude expired')]);
2895: } else {
2896: push(@links,["javascript:rolesView('showall');",'edit-undo-22x22',&mt('Include expired')]);
2897: }
2898: }
2899: unless ($cattype eq 'none') {
2900: push(@links,['/adm/coursecatalog','ccat-22x22',&mt('Course catalog')]);
2901: }
2902: my $funcs;
2903: if ($env{'browser.mobile'}) {
2904: my @functions;
2905: foreach my $link (@links) {
2906: push(@functions,[$link->[0],$link->[2]]);
2907: }
2908: my $title = 'Display options';
2909: if ($env{'user.adv'}) {
2910: $title = 'Roles options';
2911: }
2912: $funcs = &Apache::lonmenu::create_submenu('','',$title,\@functions,1,'LC_breadcrumbs_hoverable');
2913: $funcs = '<ol class="LC_primary_menu LC_floatright">'.$funcs.'</ol>';
2914: } else {
2915: $funcs = &Apache::lonhtmlcommon::start_funclist();
2916: foreach my $link (@links) {
2917: $funcs .= &Apache::lonhtmlcommon::add_item_funclist(
2918: '<a href="'.$link->[0].'" class="LC_menubuttons_link">'.
2919: '<img src="/res/adm/pages/'.$link->[1].'.png" class="LC_icon" alt="'.$link->[2].'" />'.
2920: $link->[2].'</a>');
2921: }
2922: $funcs .= &Apache::lonhtmlcommon::end_funclist();
2923: $funcs = &Apache::loncommon::head_subbox($funcs);
2924: }
2925: return $funcs;
2926: }
2927:
2928: sub get_queued {
2929: my ($output,%reqcrs);
2930: my ($types,$typenames) = &Apache::loncommon::course_types();
2931: my %statusinfo = &Apache::lonnet::dump('courserequests',$env{'user.domain'},
2932: $env{'user.name'},'^status:');
2933: foreach my $key (keys(%statusinfo)) {
2934: next unless (($statusinfo{$key} eq 'approval') || ($statusinfo{$key} eq 'pending'));
2935: (undef,my($cdom,$cnum)) = split(/:/,$key);
2936: my $requestkey = $cdom.'_'.$cnum;
2937: if ($requestkey =~ /^($match_domain)_($match_courseid)$/) {
2938: my %history = &Apache::lonnet::restore($requestkey,'courserequests',
2939: $env{'user.domain'},$env{'user.name'});
2940: next if ((exists($history{'status'})) && ($history{'status'} eq 'created'));
2941: my $reqtime = $history{'reqtime'};
2942: my $lastupdate = $history{'timestamp'};
2943: my $showtype = $history{'crstype'};
2944: if (defined($typenames->{$history{'crstype'}})) {
2945: $showtype = $typenames->{$history{'crstype'}};
2946: }
2947: my $description;
2948: if (ref($history{'details'}) eq 'HASH') {
2949: $description = $history{details}{'cdescr'};
2950: }
2951: @{$reqcrs{$reqtime}} = ($description,$showtype);
2952: }
2953: }
2954: my @sortedtimes = sort {$a <=> $b} (keys(%reqcrs));
2955: if (@sortedtimes > 0) {
2956: $output .= '<p><b>'.&mt('Course/Community requests').'</b><br />'.
2957: &Apache::loncommon::start_data_table().
2958: &Apache::loncommon::start_data_table_header_row().
2959: '<th>'.&mt('Date requested').'</th>'.
2960: '<th>'.&mt('Course title').'</th>'.
2961: '<th>'.&mt('Course type').'</th>';
2962: &Apache::loncommon::end_data_table_header_row();
2963: foreach my $reqtime (@sortedtimes) {
2964: next unless (ref($reqcrs{$reqtime}) eq 'ARRAY');
2965: $output .= &Apache::loncommon::start_data_table_row().
2966: '<td>'.&Apache::lonlocal::locallocaltime($reqtime).'</td>'.
2967: '<td>'.join('</td><td>',@{$reqcrs{$reqtime}}).'</td>'.
2968: &Apache::loncommon::end_data_table_row();
2969: }
2970: $output .= &Apache::loncommon::end_data_table().
2971: '<br /></p>';
2972: }
2973: my $queuedselfenroll = &Apache::loncoursequeueadmin::queued_selfenrollment(1);
2974: if ($queuedselfenroll) {
2975: $output .= '<p><b>'.&mt('Enrollment requests').'</b><br />'.
2976: $queuedselfenroll.'<br /></p>';
2977: }
2978: if ($env{'environment.canrequest.author'}) {
2979: unless (&Apache::loncoursequeueadmin::is_active_author()) {
2980: my $requestauthor;
2981: my ($status,$timestamp) = split(/:/,$env{'environment.requestauthorqueued'});
2982: if (($status eq 'approval') || ($status eq 'approved')) {
2983: $output .= '<p><b>'.&mt('Author role request').'</b><br />';
2984: if ($status eq 'approval') {
2985: $output .= &mt('A request for Authoring Space submitted on [_1] is awaiting approval',
2986: &Apache::lonlocal::locallocaltime($timestamp));
2987: } elsif ($status eq 'approved') {
2988: my %roleshash =
2989: &Apache::lonnet::get_my_roles($env{'user.name'},$env{'user.domain'},'userroles',
2990: ['active'],['au'],[$env{'user.domain'}]);
2991: if (keys(%roleshash)) {
2992: $output .= '<span class="LC_info">'.
2993: &mt('Your request for an author role has been approved.').'<br />'.
2994: &mt('Use the "Check for changes" link to update your list of roles.').
2995: '</span>';
2996: }
2997: }
2998: $output .= '</p>';
2999: }
3000: }
3001: }
3002: unless ($output) {
3003: if ($env{'environment.canrequest.author'} || $env{'environment.canrequest.official'} ||
3004: $env{'environment.canrequest.unofficial'} || $env{'environment.canrequest.community'}) {
3005: $output = &mt('No requests for courses, communities or authoring currently queued');
3006: } else {
3007: $output = &mt('No enrollment requests currently queued awaiting approval');
3008: }
3009: }
3010: return '<div class="LC_left_float"><fieldset><legend>'.&mt('Queued requests').'</legend>'.
3011: $output.'</fieldset></div><br clear="all" />';
3012: }
3013:
3014: 1;
3015: __END__
3016:
3017: =head1 NAME
3018:
3019: Apache::lonroles - User Roles Screen
3020:
3021: =head1 SYNOPSIS
3022:
3023: Invoked by /etc/httpd/conf/srm.conf:
3024:
3025: <Location /adm/roles>
3026: PerlAccessHandler Apache::lonacc
3027: SetHandler perl-script
3028: PerlHandler Apache::lonroles
3029: ErrorDocument 403 /adm/login
3030: ErrorDocument 500 /adm/errorhandler
3031: </Location>
3032:
3033: =head1 OVERVIEW
3034:
3035: =head2 Choosing Roles
3036:
3037: C<lonroles> is a handler that allows a user to switch roles in
3038: mid-session. LON-CAPA attempts to work with "No Role Specified", the
3039: default role that a user has before selecting a role, as widely as
3040: possible, but certain handlers for example need specification which
3041: course they should act on, etc. Both in this scenario, and when the
3042: handler determines via C<lonnet>'s C<&allowed> function that a certain
3043: action is not allowed, C<lonroles> is used as error handler. This
3044: allows the user to select another role which may have permission to do
3045: what they were trying to do.
3046:
3047: =begin latex
3048:
3049: \begin{figure}
3050: \begin{center}
3051: \includegraphics[width=0.45\paperwidth,keepaspectratio]{Sample_Roles_Screen}
3052: \caption{\label{Sample_Roles_Screen}Sample Roles Screen}
3053: \end{center}
3054: \end{figure}
3055:
3056: =end latex
3057:
3058: =head2 Role Initialization
3059:
3060: 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.
3061:
3062: =head1 INTRODUCTION
3063:
3064: This module enables a user to select what role he wishes to
3065: operate under (instructor, student, teaching assistant, course
3066: coordinator, etc). These roles are pre-established by the actions
3067: of upper-level users.
3068:
3069: This is part of the LearningOnline Network with CAPA project
3070: described at http://www.lon-capa.org.
3071:
3072: =head1 HANDLER SUBROUTINE
3073:
3074: This routine is called by Apache and mod_perl.
3075:
3076: =over 4
3077:
3078: =item *
3079:
3080: Roles Initialization (yes/no)
3081:
3082: =item *
3083:
3084: Get Error Message from Environment
3085:
3086: =item *
3087:
3088: Who is this?
3089:
3090: =item *
3091:
3092: Generate Page Output
3093:
3094: =item *
3095:
3096: Choice or no choice
3097:
3098: =item *
3099:
3100: Table
3101:
3102: =item *
3103:
3104: Privileges
3105:
3106: =back
3107:
3108: =cut
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