Annotation of loncom/auth/lonroles.pm, revision 1.136
1.1 harris41 1: # The LearningOnline Network with CAPA
2: # User Roles Screen
1.31 www 3: #
1.136 ! raeburn 4: # $Id: lonroles.pm,v 1.135 2005/11/14 20:03:52 albertel Exp $
1.31 www 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: #
1.32 harris41 28: ###
1.22 harris41 29:
1.1 harris41 30: package Apache::lonroles;
31:
32: use strict;
1.118 albertel 33: use Apache::lonnet;
1.7 www 34: use Apache::lonuserstate();
1.1 harris41 35: use Apache::Constants qw(:common);
1.2 www 36: use Apache::File();
1.26 www 37: use Apache::lonmenu;
1.29 albertel 38: use Apache::loncommon;
1.104 raeburn 39: use Apache::lonhtmlcommon;
1.57 www 40: use Apache::lonannounce;
1.72 www 41: use Apache::lonlocal;
1.120 albertel 42: use GDBM_File;
1.1 harris41 43:
1.62 matthew 44: sub redirect_user {
1.95 albertel 45: my ($r,$title,$url,$msg,$launch_nav) = @_;
1.62 matthew 46: $msg = $title if (! defined($msg));
1.73 www 47: &Apache::loncommon::content_type($r,'text/html');
1.62 matthew 48: &Apache::loncommon::no_cache($r);
49: $r->send_http_header;
50: my $swinfo=&Apache::lonmenu::rawconfig();
1.96 albertel 51: my $navwindow;
1.95 albertel 52: if ($launch_nav eq 'on') {
1.128 albertel 53: $navwindow.=&Apache::lonnavmaps::launch_win('now',undef,undef,
54: ($url eq '/adm/whatsnew'));
1.96 albertel 55: } else {
56: $navwindow.=&Apache::lonnavmaps::close();
1.95 albertel 57: }
1.62 matthew 58: my $bodytag=&Apache::loncommon::bodytag('Switching Role');
1.92 www 59: # Note to style police:
60: # This must only replace the spaces, nothing else, or it bombs elsewhere.
61: $url=~s/ /\%20/g;
1.93 albertel 62: $r->print(<<ENDREDIR);
1.62 matthew 63: <head><title>$title</title>
64: <meta HTTP-EQUIV="Refresh" CONTENT="1; url=$url">
65: </head>
66: <html>
67: $bodytag
1.96 albertel 68: <script type="text/javascript">
1.62 matthew 69: $swinfo
70: </script>
1.96 albertel 71: $navwindow
1.62 matthew 72: <h1>$msg</h1>
1.95 albertel 73: <a href="$url">Continue</a>
1.62 matthew 74: </body>
75: </html>
76: ENDREDIR
77: return;
78: }
79:
1.1 harris41 80: sub handler {
1.10 www 81:
1.1 harris41 82: my $r = shift;
83:
1.6 www 84: my $now=time;
1.118 albertel 85: my $then=$env{'user.login.time'};
1.6 www 86: my $envkey;
1.107 raeburn 87: my %dcroles = ();
88: my $numdc = &check_fordc(\%dcroles,$then);
1.10 www 89:
1.6 www 90: # ================================================================== Roles Init
1.118 albertel 91: if ($env{'form.selectrole'}) {
1.134 www 92: if ($env{'form.newrole'}) {
93: $env{'form.'.$env{'form.newrole'}}=1;
94: }
1.118 albertel 95: if ($env{'request.course.id'}) {
96: my %temp=('logout_'.$env{'request.course.id'} => time);
1.33 www 97: &Apache::lonnet::put('email_status',\%temp);
1.118 albertel 98: &Apache::lonnet::delenv('user.state.'.$env{'request.course.id'});
1.100 albertel 99: }
1.55 albertel 100: &Apache::lonnet::appenv("request.course.id" => '',
101: "request.course.fn" => '',
102: "request.course.uri" => '',
103: "request.course.sec" => '',
104: "request.role" => 'cm',
1.118 albertel 105: "request.role.adv" => $env{'user.adv'},
106: "request.role.domain" => $env{'user.domain'});
1.106 raeburn 107:
1.110 raeburn 108: # Check if user is a DC trying to enter a course and needs privs to be created
1.107 raeburn 109: if ($numdc > 0) {
1.118 albertel 110: foreach my $envkey (keys %env) {
1.107 raeburn 111: if ($envkey =~ m-^form\.cc\./(\w+)/(\w+)$-) {
112: if ($dcroles{$1}) {
1.109 raeburn 113: my $cckey = 'user.role.cc./'.$1.'/'.$2;
1.110 raeburn 114: &check_privs($cckey,$then,$now);
1.107 raeburn 115: }
116: last;
117: }
118: }
119: }
120:
1.118 albertel 121: foreach $envkey (keys %env) {
1.40 matthew 122: next if ($envkey!~/^user\.role\./);
1.102 raeburn 123: my ($where,$trolecode,$role,$tstatus,$tend,$tstart);
124: &role_status($envkey,$then,$now,\$role,\$where,\$trolecode,\$tstatus,\$tstart,\$tend);
1.118 albertel 125: if ($env{'form.'.$trolecode}) {
1.55 albertel 126: if ($tstatus eq 'is') {
127: $where=~s/^\///;
128: my ($cdom,$cnum,$csec)=split(/\//,$where);
1.111 albertel 129: # store role if recent_role list being kept
1.118 albertel 130: if ($env{'environment.recentroles'}) {
1.111 albertel 131: &Apache::lonhtmlcommon::store_recent('roles',
132: $trolecode,' ');
133: }
134:
135:
1.53 www 136: # check for keyed access
1.55 albertel 137: if (($role eq 'st') &&
1.118 albertel 138: ($env{'course.'.$cdom.'_'.$cnum.'.keyaccess'} eq 'yes')) {
1.89 www 139: # who is key authority?
140: my $authdom=$cdom;
141: my $authnum=$cnum;
1.118 albertel 142: if ($env{'course.'.$cdom.'_'.$cnum.'.keyauth'}) {
1.89 www 143: ($authnum,$authdom)=
1.118 albertel 144: split(/\W/,$env{'course.'.$cdom.'_'.$cnum.'.keyauth'});
1.89 www 145: }
146: # check with key authority
147: unless (&Apache::lonnet::validate_access_key(
1.118 albertel 148: $env{'environment.key.'.$cdom.'_'.$cnum},
1.89 www 149: $authdom,$authnum)) {
1.53 www 150: # there is no valid key
1.118 albertel 151: if ($env{'form.newkey'}) {
1.53 www 152: # student attempts to register a new key
1.89 www 153: &Apache::loncommon::content_type($r,'text/html');
154: &Apache::loncommon::no_cache($r);
155: $r->send_http_header;
156: my $swinfo=&Apache::lonmenu::rawconfig();
157: my $bodytag=&Apache::loncommon::bodytag
158: ('Verifying Access Key to Unlock this Course');
1.90 www 159: my $buttontext=&mt('Enter Course');
160: my $message=&mt('Successfully registered key');
161: my $assignresult=
162: &Apache::lonnet::assign_access_key(
1.118 albertel 163: $env{'form.newkey'},
1.90 www 164: $authdom,$authnum,
1.91 www 165: $cdom,$cnum,
1.118 albertel 166: $env{'user.domain'},
167: $env{'user.name'},
1.90 www 168: 'Assigned from '.$ENV{'REMOTE_ADDR'}.' at '.localtime().' for '.
169: $trolecode);
170: unless ($assignresult eq 'ok') {
171: $assignresult=~s/^error\:\s*//;
172: $message=&mt($assignresult).
173: '<br /><a href="/adm/logout">'.
1.89 www 174: &mt('Logout').'</a>';
1.90 www 175: $buttontext=&mt('Re-Enter Key');
176: }
1.89 www 177: $r->print(<<ENDENTEREDKEY);
178: <head><title>Verifying Course Access Key</title>
179: </head>
180: <html>
181: $bodytag
182: <script>
183: $swinfo
184: </script>
185: <form method="post">
186: <input type="hidden" name="selectrole" value="1" />
187: <input type="hidden" name="$trolecode" value="1" />
1.90 www 188: <font size="+2">$message</font><br />
1.89 www 189: <input type="submit" value="$buttontext" />
190: </form>
191: </body></html>
192: ENDENTEREDKEY
193: return OK;
1.55 albertel 194: } else {
1.53 www 195: # print form to enter a new key
1.73 www 196: &Apache::loncommon::content_type($r,'text/html');
1.55 albertel 197: &Apache::loncommon::no_cache($r);
198: $r->send_http_header;
199: my $swinfo=&Apache::lonmenu::rawconfig();
200: my $bodytag=&Apache::loncommon::bodytag
201: ('Enter Access Key to Unlock this Course');
202: $r->print(<<ENDENTERKEY);
1.53 www 203: <head><title>Entering Course Access Key</title>
204: </head>
205: <html>
206: $bodytag
207: <script>
208: $swinfo
209: </script>
210: <form method="post">
1.89 www 211: <input type="hidden" name="selectrole" value="1" />
212: <input type="hidden" name="$trolecode" value="1" />
1.118 albertel 213: <input type="text" size="20" name="newkey" value="$env{'form.newkey'}" />
1.53 www 214: <input type="submit" value="Enter key" />
215: </form>
216: </body></html>
217: ENDENTERKEY
1.55 albertel 218: return OK;
219: }
220: }
221: }
1.118 albertel 222: &Apache::lonnet::log($env{'user.domain'},
223: $env{'user.name'},
224: $env{'user.home'},
1.87 www 225: "Role ".$trolecode);
1.101 albertel 226:
1.56 www 227: &Apache::lonnet::appenv(
1.101 albertel 228: 'request.role' => $trolecode,
1.56 www 229: 'request.role.domain' => $cdom,
230: 'request.course.sec' => $csec);
1.101 albertel 231: my $tadv=0;
1.72 www 232: my $msg=&mt('Entering course ...');
1.62 matthew 233:
1.125 www 234: if (($cnum) && ($role ne 'ca') && ($role ne 'aa')) {
1.55 albertel 235: my ($furl,$ferr)=
236: &Apache::lonuserstate::readmap($cdom.'/'.$cnum);
1.118 albertel 237: if (($env{'form.orgurl'}) &&
238: ($env{'form.orgurl'}!~/^\/adm\/flip/)) {
239: my $dest=$env{'form.orgurl'};
1.117 albertel 240: if (&Apache::lonnet::allowed('adv') eq 'F') { $tadv=1; }
241: &Apache::lonnet::appenv('request.role.adv'=>$tadv);
1.67 albertel 242: $r->internal_redirect($dest);
1.55 albertel 243: return OK;
244: } else {
1.118 albertel 245: unless ($env{'request.course.id'}) {
1.55 albertel 246: &Apache::lonnet::appenv(
247: "request.course.id" => $cdom.'_'.$cnum);
1.61 www 248: $furl='/adm/roles?tryagain=1';
1.55 albertel 249: $msg=
1.131 albertel 250: '<h1><font color="red">'.
1.72 www 251: &mt('Could not initialize course at this time.').
252: '</font></h1><h3>'.&mt('Please try again.').'</h3>'.$ferr;
1.55 albertel 253: }
1.117 albertel 254: if (&Apache::lonnet::allowed('adv') eq 'F') { $tadv=1; }
255: &Apache::lonnet::appenv('request.role.adv'=>$tadv);
1.58 bowersj2 256:
257: # Check to see if the user is a CC entering a course
258: # for the first time
259: my (undef, undef, $role, $courseid) = split(/\./, $envkey);
260: if (substr($courseid, 0, 1) eq '/') {
261: $courseid = substr($courseid, 1);
262: }
263: $courseid =~ s/\//_/;
1.118 albertel 264: if ($role eq 'cc' && $env{'course.' . $courseid .
1.58 bowersj2 265: '.course.helper.not.run'}) {
266: $furl = "/adm/helper/course.initialization.helper";
1.124 albertel 267: # Send the user to the course they selected
268: } elsif (($env{'request.course.fn'})
269: && ($role eq 'cc' && ($env{'environment.course_init_display'} ne 'firstres'))) {
270: $msg = &mt('Entering course ....');
271: &redirect_user($r,&mt('New in course'),
272: '/adm/whatsnew',$msg,
273: $env{'environment.remotenavmap'});
274: return OK;
1.58 bowersj2 275: }
1.124 albertel 276: &redirect_user($r,&mt('Entering Course'),
1.95 albertel 277: $furl,$msg,
1.118 albertel 278: $env{'environment.remotenavmap'});
1.124 albertel 279: return OK;
1.55 albertel 280: }
281: }
1.62 matthew 282: #
283: # Send the user to the construction space they selected
1.125 www 284: if ($role =~ /^(au|ca|aa)$/) {
1.62 matthew 285: my $redirect_url = '/priv/';
286: if ($role eq 'au') {
1.118 albertel 287: $redirect_url.=$env{'user.name'};
1.62 matthew 288: } else {
289: $where =~ /\/(.*)$/;
290: $redirect_url .= $1;
291: }
292: $redirect_url .= '/';
1.78 sakharuk 293: &redirect_user($r,&mt('Entering Construction Space'),
1.62 matthew 294: $redirect_url);
295: return OK;
296: }
1.104 raeburn 297: if ($role eq 'dc') {
1.108 raeburn 298: my $redirect_url = '/adm/menu/';
299: &redirect_user($r,&mt('Loading Domain Coordinator Menu'),
1.104 raeburn 300: $redirect_url);
1.108 raeburn 301: return OK;
1.104 raeburn 302: }
1.55 albertel 303: }
304: }
1.6 www 305: }
1.40 matthew 306: }
1.44 www 307:
1.10 www 308:
1.6 www 309: # =============================================================== No Roles Init
1.10 www 310:
1.73 www 311: &Apache::loncommon::content_type($r,'text/html');
1.30 albertel 312: &Apache::loncommon::no_cache($r);
1.10 www 313: $r->send_http_header;
314: return OK if $r->header_only;
315:
1.52 www 316: my $swinfo=&Apache::lonmenu::rawconfig();
1.41 www 317: my $bodytag=&Apache::loncommon::bodytag('User Roles');
1.134 www 318: my $standby=&mt('Role selected. Please stand by.');
1.135 albertel 319: $standby=~s/\n/\\n/g;
1.94 albertel 320: my $helptag='<table><tr><td>'.&Apache::loncommon::help_open_menu('','General Intro','General_Intro','User Roles',1,undef,undef,undef,undef,,&mt("Click here for help")).'</td></td></tr></table>';
1.10 www 321: $r->print(<<ENDHEADER);
322: <html>
323: <head>
324: <title>LON-CAPA User Roles</title>
1.41 www 325: </head>
326: $bodytag
1.45 www 327: $helptag<br />
1.26 www 328: <script>
329: $swinfo
330: window.focus();
1.134 www 331:
332: active=true;
333:
334: function enterrole (thisform,rolecode,buttonname) {
335: if (active) {
336: active=false;
337: document.title='$standby';
338: window.status='$standby';
339: thisform.newrole.value=rolecode;
340: thisform.submit();
341: } else {
342: alert('$standby');
343: }
344: }
1.26 www 345: </script>
1.10 www 346: ENDHEADER
1.6 www 347:
1.2 www 348: # ------------------------------------------ Get Error Message from Environment
349:
1.118 albertel 350: my ($fn,$priv,$nochoose,$error,$msg)=split(/:/,$env{'user.error.msg'});
351: if ($env{'user.error.msg'}) {
1.55 albertel 352: $r->log_reason(
1.118 albertel 353: "$msg for $env{'user.name'} domain $env{'user.domain'} access $priv",$fn);
1.12 www 354: }
1.1 harris41 355:
1.61 www 356: # ------------------------------------------------- Can this user re-init, etc?
1.6 www 357:
1.118 albertel 358: my $advanced=$env{'user.adv'};
1.61 www 359: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['tryagain']);
1.118 albertel 360: my $tryagain=$env{'form.tryagain'};
1.6 www 361:
1.2 www 362: # -------------------------------------------------------- Generate Page Output
1.6 www 363: # --------------------------------------------------------------- Error Header?
1.2 www 364: if ($error) {
365: $r->print("<h1>LON-CAPA Access Control</h1>");
1.126 www 366: $r->print("<!-- LONCAPAACCESSCONTROLERRORSCREEN --><hr /><pre>Access : ".
1.4 www 367: Apache::lonnet::plaintext($priv)."\n");
1.115 albertel 368: $r->print("Resource: ".&Apache::lonenc::check_encrypt($fn)."\n");
1.120 albertel 369: $r->print("Action : $msg\n</pre><hr />");
370: my $url=$fn;
371: my $last;
372: if (tie(my %hash,'GDBM_File',$env{'request.course.fn'}.'_symb.db',
373: &GDBM_READER(),0640)) {
374: $last=$hash{'last_known'};
375: untie(%hash);
376: }
377: if ($last) { $fn.='?symb='.&Apache::lonnet::escape($last); }
378:
379: &Apache::londocs::changewarning($r,undef,'You have modified your course recently, [_1] may fix this access problem.',
380: &Apache::lonenc::check_encrypt($fn));
1.2 www 381: } else {
1.118 albertel 382: if ($env{'user.error.msg'}) {
1.25 www 383: $r->print(
1.131 albertel 384: '<h3><font color="red">'.
1.72 www 385: &mt('You need to choose another user role or enter a specific course for this function').'</font></h3>');
1.25 www 386: }
1.2 www 387: }
1.6 www 388: # -------------------------------------------------------- Choice or no choice?
1.2 www 389: if ($nochoose) {
1.6 www 390: if ($advanced) {
1.72 www 391: $r->print("<h2>".&mt('Assigned User Roles')."</h2>\n");
1.6 www 392: } else {
1.72 www 393: $r->print("<h2>".&mt('Sorry ...')."</h2>\n".
394: &mt('This resource might be part of'));
1.118 albertel 395: if ($env{'request.course.id'}) {
1.72 www 396: $r->print(&mt(' another'));
1.55 albertel 397: } else {
1.72 www 398: $r->print(&mt(' a certain'));
1.55 albertel 399: }
1.72 www 400: $r->print(&mt(' course.').'</body></html>');
1.55 albertel 401: return OK;
1.6 www 402: }
403: } else {
404: if ($advanced) {
1.72 www 405: $r->print(&mt("Your home server is ").
1.55 albertel 406: $Apache::lonnet::hostname{&Apache::lonnet::homeserver
1.118 albertel 407: ($env{'user.name'},$env{'user.domain'})}.
1.55 albertel 408: "<br />\n");
1.72 www 409: $r->print(&mt(
1.126 www 410: "Author and Co-Author roles are not available on servers other than their respective home servers."));
1.17 www 411: }
1.18 www 412: if (($ENV{'REDIRECT_QUERY_STRING'}) && ($fn)) {
413: $fn.='?'.$ENV{'REDIRECT_QUERY_STRING'};
1.6 www 414: }
1.84 www 415: $r->print('<form method="post" name="rolechoice" action="'.(($fn)?$fn:$r->uri).'">');
1.116 albertel 416: $r->print('<input type="hidden" name="orgurl" value="'.$fn.'" />');
417: $r->print('<input type="hidden" name="selectrole" value="1" />');
1.134 www 418: $r->print('<input type="hidden" name="newrole" value="" />');
1.6 www 419: }
1.118 albertel 420: if ($env{'user.adv'}) {
1.63 www 421: $r->print(
1.116 albertel 422: '<br /><label>'.&mt('Show all roles').': <input type="checkbox" name="showall"');
1.118 albertel 423: if ($env{'form.showall'}) { $r->print(' checked="checked" '); }
1.116 albertel 424: $r->print(' /></label><input type="submit" value="'.&mt('Display').'" />');
1.63 www 425: }
1.4 www 426:
1.75 albertel 427: my (%roletext,%sortrole,%roleclass);
1.84 www 428: my $countactive=0;
429: my $inrole=0;
430: my $possiblerole='';
1.118 albertel 431: foreach $envkey (sort keys %env) {
1.35 matthew 432: my $button = 1;
1.49 www 433: my $switchserver='';
1.75 albertel 434: my $roletext;
435: my $sortkey;
1.2 www 436: if ($envkey=~/^user\.role\./) {
1.102 raeburn 437: my ($role,$where,$trolecode,$tstart,$tend,$tremark,$tstatus,$tpstart,$tpend,$tfont);
438: &role_status($envkey,$then,$now,\$role,\$where,\$trolecode,\$tstatus,\$tstart,\$tend);
1.136 ! raeburn 439: next if (!defined($role) || $role eq '' || $role =~ /^gr/);
1.102 raeburn 440: $tremark='';
441: $tpstart=' ';
442: $tpend=' ';
443: $tfont='#000000';
1.4 www 444: if ($tstart) {
1.74 www 445: $tpstart=&Apache::lonlocal::locallocaltime($tstart);
1.4 www 446: }
447: if ($tend) {
1.74 www 448: $tpend=&Apache::lonlocal::locallocaltime($tend);
1.4 www 449: }
1.118 albertel 450: if ($env{'request.role'} eq $trolecode) {
1.6 www 451: $tstatus='selected';
452: }
1.4 www 453: my $tbg;
1.35 matthew 454: if (($tstatus eq 'is') || ($tstatus eq 'selected') ||
1.118 albertel 455: ($env{'form.showall'})) {
1.35 matthew 456: if ($tstatus eq 'is') {
457: $tbg='#77FF77';
1.47 www 458: $tfont='#003300';
1.84 www 459: $possiblerole=$trolecode;
460: $countactive++;
1.35 matthew 461: } elsif ($tstatus eq 'future') {
462: $tbg='#FFFF77';
1.49 www 463: $button=0;
1.35 matthew 464: } elsif ($tstatus eq 'will') {
465: $tbg='#FFAA77';
1.72 www 466: $tremark.=&mt('Active at next login. ');
1.35 matthew 467: } elsif ($tstatus eq 'expired') {
468: $tbg='#FF7777';
1.47 www 469: $tfont='#330000';
1.49 www 470: $button=0;
1.35 matthew 471: } elsif ($tstatus eq 'will_not') {
472: $tbg='#AAFF77';
1.72 www 473: $tremark.=&mt('Expired after logout. ');
1.35 matthew 474: } elsif ($tstatus eq 'selected') {
475: $tbg='#11CC55';
1.47 www 476: $tfont='#002200';
1.84 www 477: $inrole=1;
1.86 albertel 478: $countactive++;
1.72 www 479: $tremark.=&mt('Currently selected. ');
1.35 matthew 480: }
481: my $trole;
482: if ($role =~ /^cr\//) {
483: my ($rdummy,$rdomain,$rauthor,$rrole)=split(/\//,$role);
1.132 albertel 484: if ($tremark) { $tremark.='<br />'; }
485: $tremark.=&mt('Defined by ').$rauthor.
1.72 www 486: &mt(' at ').$rdomain.'.';
1.35 matthew 487: $trole=$rrole;
1.8 www 488: } else {
1.35 matthew 489: $trole=Apache::lonnet::plaintext($role);
490: }
491: my $ttype;
492: my $twhere;
493: my ($tdom,$trest,$tsection)=
494: split(/\//,Apache::lonnet::declutter($where));
495: # First, Co-Authorship roles
1.125 www 496: if (($role eq 'ca') || ($role eq 'aa')) {
1.39 stredwic 497: my $home = &Apache::lonnet::homeserver($trest,$tdom);
1.83 albertel 498: my $allowed=0;
499: my @ids=&Apache::lonnet::current_machine_ids();
500: foreach my $id (@ids) { if ($id eq $home) { $allowed=1; } }
501: if (!$allowed) {
1.49 www 502: $button=0;
1.130 albertel 503: $switchserver='otherserver='.$home.'&role='.$trolecode;
1.49 www 504: }
1.35 matthew 505: #next if ($home eq 'no_host');
506: $home = $Apache::lonnet::hostname{$home};
1.78 sakharuk 507: $ttype='Construction Space';
1.72 www 508: $twhere=&mt('User').': '.$trest.'<br />'.&mt('Domain').
509: ': '.$tdom.'<br />'.
510: ' '.&mt('Server').': '.$home;
1.118 albertel 511: $env{'course.'.$tdom.'_'.$trest.'.description'}='ca';
1.82 www 512: $tremark.=&Apache::lonhtmlcommon::authorbombs('/res/'.$tdom.'/'.$trest.'/');
1.75 albertel 513: $sortkey=$role."$trest:$tdom";
1.35 matthew 514: } elsif ($role eq 'au') {
515: # Authors
516: my $home = &Apache::lonnet::homeserver
1.118 albertel 517: ($env{'user.name'},$env{'user.domain'});
1.83 albertel 518: my $allowed=0;
519: my @ids=&Apache::lonnet::current_machine_ids();
520: foreach my $id (@ids) { if ($id eq $home) { $allowed=1; } }
521: if (!$allowed) {
1.49 www 522: $button=0;
1.51 www 523: $switchserver=&Apache::lonnet::escape('http://'.
524: $Apache::lonnet::hostname{$home}.
1.118 albertel 525: '/adm/login?domain='.$env{'user.domain'}.
526: '&username='.$env{'user.name'}.
527: '&firsturl=/priv/'.$env{'user.name'}.'/');
1.49 www 528: }
1.35 matthew 529: #next if ($home eq 'no_host');
530: $home = $Apache::lonnet::hostname{$home};
1.78 sakharuk 531: $ttype='Construction Space';
1.72 www 532: $twhere=&mt('Domain').': '.$tdom.'<br />'.&mt('Server').
533: ': '.$home;
1.118 albertel 534: $env{'course.'.$tdom.'_'.$trest.'.description'}='ca';
535: $tremark.=&Apache::lonhtmlcommon::authorbombs('/res/'.$tdom.'/'.$env{'user.name'}.'/');
1.75 albertel 536: $sortkey=$role;
1.35 matthew 537: } elsif ($trest) {
1.78 sakharuk 538: $ttype='Course';
1.35 matthew 539: my $tcourseid=$tdom.'_'.$trest;
1.118 albertel 540: if ($env{'course.'.$tcourseid.'.description'}) {
541: $twhere=$env{'course.'.$tcourseid.'.description'};
1.80 albertel 542: $sortkey=$role."\0".$tdom."\0".$twhere."\0".$envkey;
1.72 www 543: unless ($twhere eq &mt('Currently not available')) {
1.55 albertel 544: $twhere.=' <font size="-2">'.
1.72 www 545: &Apache::loncommon::syllabuswrapper(&mt('Syllabus'),$trest,$tdom,$tfont).
1.49 www 546: '</font>';
1.55 albertel 547: }
1.8 www 548: } else {
1.105 raeburn 549: my %newhash=&Apache::lonnet::coursedescription($tcourseid);
1.35 matthew 550: if (%newhash) {
1.80 albertel 551: $sortkey=$role."\0".$tdom."\0".$newhash{'description'}.
1.77 albertel 552: "\0".$envkey;
1.49 www 553: $twhere=$newhash{'description'}.
554: ' <font size="-2">'.
1.72 www 555: &Apache::loncommon::syllabuswrapper(&mt('Syllabus'),$trest,$tdom,$tfont).
1.49 www 556: '</font>';
1.35 matthew 557: } else {
1.72 www 558: $twhere=&mt('Currently not available');
1.118 albertel 559: $env{'course.'.$tcourseid.'.description'}=$twhere;
1.80 albertel 560: $sortkey=$role."\0".$tdom."\0".$twhere."\0".$envkey;
1.35 matthew 561: }
1.8 www 562: }
1.121 albertel 563: if ($tsection) {
564: $twhere.='<br />'.&mt('Section/Group').': '.$tsection;
565: }
566:
1.72 www 567: if ($role ne 'st') { $twhere.="<br />".&mt('Domain').":".$tdom; }
1.35 matthew 568: } elsif ($tdom) {
1.78 sakharuk 569: $ttype='Domain';
1.35 matthew 570: $twhere=$tdom;
1.75 albertel 571: $sortkey=$role.$twhere;
1.35 matthew 572: } else {
1.78 sakharuk 573: $ttype='System';
1.72 www 574: $twhere=&mt('system wide');
1.75 albertel 575: $sortkey=$role.$twhere;
1.13 www 576: }
1.35 matthew 577:
1.127 albertel 578: $roletext.=&build_roletext($trolecode,$tdom,$trest,$tstatus,$tryagain,$advanced,$tremark,$tbg,$tfont,$trole,$ttype,$twhere,$tpstart,$tpend,$nochoose,$button,$switchserver);
1.75 albertel 579: $roletext{$envkey}=$roletext;
580: if (!$sortkey) {$sortkey=$twhere."\0".$envkey;}
581: $sortrole{$sortkey}=$envkey;
582: $roleclass{$envkey}=$ttype;
1.55 albertel 583: }
1.4 www 584: }
1.75 albertel 585: }
1.84 www 586: # No active roles
587: if ($countactive==0) {
588: if ($inrole) {
589: $r->print('<h2>'.&mt('Currently no additional roles or courses').'</h2>');
590: } else {
591: $r->print('<h2>'.&mt('Currently no active roles or courses').'</h2>');
592: }
593: $r->print('</form></body></html>');
594: return OK;
595: # Is there only one choice?
1.118 albertel 596: } elsif (($countactive==1) && ($env{'request.role'} eq 'cm')) {
1.84 www 597: $r->print('<h3>'.&mt('Please stand by.').'</h3>'.
598: '<input type="hidden" name="'.$possiblerole.'" value="1" />');
599: $r->print("</form>\n");
600: $r->rflush();
601: $r->print('<script>document.forms.rolechoice.submit();</script>');
602: $r->print('</body></html>');
603: return OK;
604: }
605: # More than one possible role
606: # ----------------------------------------------------------------------- Table
607: unless (($advanced) || ($nochoose)) {
608: $r->print("<h2>".&mt('Select a Course to Enter')."</h2>\n");
609: }
610: $r->print('<br /><table><tr>');
611: unless ($nochoose) { $r->print('<th> </th>'); }
1.121 albertel 612: $r->print('<th>'.&mt('User Role').'</th><th>'.&mt('Extent').
1.132 albertel 613: '</th><th>'.&mt('Start').'</th><th>'.&mt('End').'</th></tr>'."\n");
1.76 albertel 614: my $doheaders=-1;
1.129 albertel 615: foreach my $type ('Domain','Construction Space','Course','System') {
1.76 albertel 616: my $haverole=0;
1.75 albertel 617: foreach my $which (sort {uc($a) cmp uc($b)} (keys(%sortrole))) {
618: if ($roleclass{$sortrole{$which}} =~ /^\Q$type\E/) {
1.76 albertel 619: $haverole=1;
1.75 albertel 620: }
1.76 albertel 621: }
622: if ($haverole) { $doheaders++; }
623: }
1.111 albertel 624:
1.118 albertel 625: if ($env{'environment.recentroles'}) {
1.111 albertel 626: my %recent_roles =
1.118 albertel 627: &Apache::lonhtmlcommon::get_recent('roles',$env{'environment.recentrolesn'});
1.111 albertel 628: my $output='';
629: foreach (sort(keys(%recent_roles))) {
630: if (defined($roletext{'user.role.'.$_})) {
631: $output.=$roletext{'user.role.'.$_};
1.133 albertel 632: if ($_ =~ m-dc\./(\w+)/- && $dcroles{$1}) {
633: $output .= &allcourses_row($1);
634: }
1.113 raeburn 635: } elsif ($numdc > 0) {
636: unless ($_ =~/^error\:/) {
637: $output.=&display_cc_role('user.role.'.$_);
638: }
639: }
1.111 albertel 640: }
641: if ($output) {
1.132 albertel 642: $r->print("<tr><td align='center' colspan='5'><font face='arial'>".
1.126 www 643: &mt('Recent Roles')."</font></td>");
1.111 albertel 644: $r->print($output);
645: $r->print("</tr>");
1.114 raeburn 646: $doheaders ++;
1.111 albertel 647: }
648: }
649:
1.104 raeburn 650: if ($numdc > 0) {
1.112 raeburn 651: $r->print(&coursepick_jscript());
652: $r->print(&Apache::loncommon::coursebrowser_javascript());
1.108 raeburn 653: }
1.132 albertel 654: foreach my $type ('Construction Space','Domain','Course','System') {
1.108 raeburn 655: my $output;
656: foreach my $which (sort {uc($a) cmp uc($b)} (keys(%sortrole))) {
657: if ($roleclass{$sortrole{$which}} =~ /^\Q$type\E/) {
658: $output.=$roletext{$sortrole{$which}};
659: if ($sortrole{$which} =~ m-dc\./(\w+)/-) {
660: if ($dcroles{$1}) {
661: $output .= &allcourses_row($1);
1.104 raeburn 662: }
663: }
1.76 albertel 664: }
1.108 raeburn 665: }
666: if ($output) {
667: if ($doheaders > 0) {
1.126 www 668: $r->print("<tr>".
1.132 albertel 669: "<td align='center' colspan='5'><font face='arial'>".&mt($type)."</font></td></tr>");
1.76 albertel 670: }
1.108 raeburn 671: $r->print($output);
672: }
1.4 www 673: }
1.14 www 674: my $tremark='';
1.47 www 675: my $tfont='#003300';
1.118 albertel 676: if ($env{'request.role'} eq 'cm') {
1.19 www 677: $r->print('<tr bgcolor="#11CC55">');
1.72 www 678: $tremark=&mt('Currently selected. ');
1.47 www 679: $tfont='#002200';
1.14 www 680: } else {
681: $r->print('<tr bgcolor="#77FF77">');
682: }
683: unless ($nochoose) {
1.118 albertel 684: if ($env{'request.role'} ne 'cm') {
1.134 www 685: $r->print('<td><input type="submit" value="'.
1.72 www 686: &mt('Select').'" name="cm"></td>');
1.55 albertel 687: } else {
688: $r->print('<td> </td>');
689: }
1.14 www 690: }
1.132 albertel 691: $r->print('<td colspan="3"><font color="'.$tfont.'">'.&mt('No role specified').
1.47 www 692: '</font></td><td><font color="'.$tfont.'">'.$tremark.
693: ' </font></td></tr>'."\n");
1.4 www 694:
695: $r->print('</table>');
696: unless ($nochoose) {
697: $r->print("</form>\n");
698: }
1.22 harris41 699: # ------------------------------------------------------------ Privileges Info
1.118 albertel 700: if (($advanced) && (($env{'user.error.msg'}) || ($error))) {
1.127 albertel 701: $r->print('<hr /><h2>Current Privileges</h2>');
1.4 www 702:
1.118 albertel 703: foreach $envkey (sort keys %env) {
704: if ($envkey=~/^user\.priv\.$env{'request.role'}\./) {
1.55 albertel 705: my $where=$envkey;
1.118 albertel 706: $where=~s/^user\.priv\.$env{'request.role'}\.//;
1.55 albertel 707: my $ttype;
708: my $twhere;
709: my ($tdom,$trest,$tsec)=
710: split(/\//,Apache::lonnet::declutter($where));
711: if ($trest) {
1.118 albertel 712: if ($env{'course.'.$tdom.'_'.$trest.'.description'} eq 'ca') {
1.55 albertel 713: $ttype='Construction Space';
714: $twhere='User: '.$trest.', Domain: '.$tdom;
715: } else {
716: $ttype='Course';
1.118 albertel 717: $twhere=$env{'course.'.$tdom.'_'.$trest.'.description'};
1.55 albertel 718: if ($tsec) {
719: $twhere.=' (Section/Group: '.$tsec.')';
720: }
721: }
722: } elsif ($tdom) {
723: $ttype='Domain';
724: $twhere=$tdom;
725: } else {
726: $ttype='System';
727: $twhere='/';
728: }
729: $r->print("\n<h3>".$ttype.': '.$twhere.'</h3><ul>');
1.118 albertel 730: foreach (sort split(/:/,$env{$envkey})) {
1.55 albertel 731: if ($_) {
732: my ($prv,$restr)=split(/\&/,$_);
733: my $trestr='';
734: if ($restr ne 'F') {
735: my $i;
736: $trestr.=' (';
737: for ($i=0;$i<length($restr);$i++) {
738: $trestr.=
739: Apache::lonnet::plaintext(substr($restr,$i,1));
740: if ($i<length($restr)-1) { $trestr.=', '; }
741: }
742: $trestr.=')';
743: }
744: $r->print('<li>'.
745: Apache::lonnet::plaintext($prv).$trestr.
746: '</li>');
747: }
748: }
749: $r->print('</ul>');
750: }
751: }
1.4 www 752: }
1.66 www 753: $r->print(&Apache::lonnet::getannounce());
1.65 www 754: if ($advanced) {
755: $r->print('<p><small><i>This is LON-CAPA '.
1.85 www 756: $r->dir_config('lonVersion').'</i><br />'.
757: '<a href="/adm/logout">'.&mt('Logout').'</a></small></p>');
1.65 www 758: }
1.1 harris41 759: $r->print("</body></html>\n");
760: return OK;
1.102 raeburn 761: }
762:
763: sub role_status {
764: my ($rolekey,$then,$now,$role,$where,$trolecode,$tstatus,$tstart,$tend) = @_;
765: my @pwhere = ();
1.118 albertel 766: if (exists($env{$rolekey}) && $env{$rolekey} ne '') {
1.102 raeburn 767: (undef,undef,$$role,@pwhere)=split(/\./,$rolekey);
768: unless (!defined($$role) || $$role eq '') {
769: $$where=join('.',@pwhere);
770: $$trolecode=$$role.'.'.$$where;
1.118 albertel 771: ($$tstart,$$tend)=split(/\./,$env{$rolekey});
1.102 raeburn 772: $$tstatus='is';
1.105 raeburn 773: if ($$tstart && $$tstart>$then) {
774: $$tstatus='future';
775: if ($$tstart<$now) { $$tstatus='will'; }
1.102 raeburn 776: }
777: if ($$tend) {
778: if ($$tend<$then) {
779: $$tstatus='expired';
1.103 raeburn 780: } elsif ($$tend<$now) {
1.104 raeburn 781: $$tstatus='will_not';
1.102 raeburn 782: }
783: }
784: }
785: }
786: }
1.1 harris41 787:
1.110 raeburn 788: sub build_roletext {
1.127 albertel 789: my ($trolecode,$tdom,$trest,$tstatus,$tryagain,$advanced,$tremark,$tbg,$tfont,$trole,$ttype,$twhere,$tpstart,$tpend,$nochoose,$button,$switchserver) = @_;
790: my $roletext='<tr bgcolor="'.$tbg.'">';
1.132 albertel 791: my $is_dc=($trolecode =~ m/^dc\./);
792: my $rowspan=($is_dc) ? ''
793: : ' rowspan="2" ';
794:
1.110 raeburn 795: unless ($nochoose) {
1.134 www 796: my $buttonname=$trolecode;
797: $buttonname=~s/\W//g;
1.110 raeburn 798: if (!$button) {
799: if ($switchserver) {
1.132 albertel 800: $roletext.='<td'.$rowspan.'><a href="/adm/switchserver?'.
1.110 raeburn 801: $switchserver.'">'.&mt('Switch Server').'</a></td>';
802: } else {
803: $roletext.=('<td> </td>');
804: }
805: } elsif ($tstatus eq 'is') {
1.134 www 806: $roletext.='<td'.$rowspan.'><input name="'.$buttonname.'" type="button" value="'.
807: &mt('Select').'" onClick="javascript:enterrole(this.form,\''.
808: $trolecode."','".$buttonname.'\');"></td>';
1.110 raeburn 809: } elsif ($tryagain) {
810: $roletext.=
1.134 www 811: '<td'.$rowspan.'><input name="'.$buttonname.'" type="button" value="'.
812: &mt('Try Selecting Again').'" onClick="javascript:enterrole(this.form,\''.
813: $trolecode."','".$buttonname.'\');"></td>';
1.110 raeburn 814: } elsif ($advanced) {
815: $roletext.=
1.134 www 816: '<td'.$rowspan.'><input name="'.$buttonname.'" type="button" value="'.
817: &mt('Re-Initialize').'" onClick="javascript:enterrole(this.form,\''.
818: $trolecode."','".$buttonname.'\');"></td>';
1.110 raeburn 819: } else {
1.132 albertel 820: $roletext.='<td'.$rowspan.'> </td>';
1.110 raeburn 821: }
822: }
823: $tremark.=&Apache::lonannounce::showday(time,1,
824: &Apache::lonannounce::readcalendar($tdom.'_'.$trest));
825:
826: $roletext.='<td><font color="'.$tfont.'">'.$trole.
1.121 albertel 827: '</font></td><td><font color="'.$tfont.'">'.$twhere.
1.110 raeburn 828: '</font></td><td><font color="'.$tfont.'">'.$tpstart.
829: '</font></td><td><font color="'.$tfont.'">'.$tpend.
1.132 albertel 830: '</font></td></tr>';
831: if (!$is_dc) {
832: $roletext.='<tr bgcolor="'.$tbg.'"><td colspan="4"><font color="'.$tfont.'">'.$tremark.
833: ' </font></td></tr><tr><td colspan="5" height="3"></td></tr>'."\n";
834: }
1.110 raeburn 835: return $roletext;
836: }
837:
838: sub check_privs {
839: my ($cckey,$then,$now) = @_;
1.118 albertel 840: if ($env{$cckey}) {
1.110 raeburn 841: my ($role,$where,$trolecode,$tstart,$tend,$tremark,$tstatus,$tpstart,$tpend,$tfont);
842: &role_status($cckey,$then,$now,\$role,\$where,\$trolecode,\$tstatus,\$tstart,\$tend);
843: unless (($tstatus eq 'is') || ($tstatus eq 'will_not')) {
844: &set_privileges($1,$2);
845: }
846: } else {
847: &set_privileges($1,$2);
848: }
849: }
850:
1.104 raeburn 851: sub check_fordc {
852: my ($dcroles,$then) = @_;
853: my $numdc = 0;
1.118 albertel 854: if ($env{'user.adv'}) {
855: foreach my $envkey (sort keys %env) {
1.104 raeburn 856: if ($envkey=~/^user\.role\.dc\.\/(\w+)\/$/) {
857: my $dcdom = $1;
858: my $livedc = 1;
1.118 albertel 859: my ($tstart,$tend)=split(/\./,$env{$envkey});
1.105 raeburn 860: if ($tstart && $tstart>$then) { $livedc = 0; }
861: if ($tend && $tend <$then) { $livedc = 0; }
1.104 raeburn 862: if ($livedc) {
863: $$dcroles{$dcdom} = $envkey;
1.105 raeburn 864: $numdc++;
1.104 raeburn 865: }
866: }
867: }
868: }
869: return $numdc;
870: }
871:
1.108 raeburn 872: sub courselink {
873: my ($dcdom) = @_;
1.109 raeburn 874: my $courseform=&Apache::loncommon::selectcourse_link
1.112 raeburn 875: ('rolechoice','dccourse_'.$dcdom,'dcdomain_'.$dcdom,'coursedesc_'.$dcdom,$dcdom);
1.109 raeburn 876: my $hiddenitems = '<input type="hidden" name="dcdomain_'.$dcdom.'" value="'.$dcdom.'" />'.
877: '<input type="hidden" name="origdom_'.$dcdom.'" value="'.$dcdom.'" />'.
878: '<input type="hidden" name="dccourse_'.$dcdom.'" value="" />'.
879: '<input type="hidden" name="coursedesc_'.$dcdom.'" value="" />';
1.112 raeburn 880: return $courseform.$hiddenitems;
1.109 raeburn 881: }
882:
883: sub coursepick_jscript {
1.104 raeburn 884: my $verify_script = <<"END";
885: <script>
1.108 raeburn 886: function verifyCoursePick(caller) {
887: var numbutton = getIndex(caller)
1.112 raeburn 888: var pickedCourse = document.rolechoice.elements[numbutton+4].value
889: var pickedDomain = document.rolechoice.elements[numbutton+2].value
890: if (document.rolechoice.elements[numbutton+2].value == document.rolechoice.elements[numbutton+3].value) {
1.104 raeburn 891: if (pickedCourse != '') {
1.108 raeburn 892: if (numbutton != -1) {
893: var courseTarget = "cc./"+pickedDomain+"/"+pickedCourse
894: document.rolechoice.elements[numbutton+1].name = courseTarget
895: document.rolechoice.submit()
896: }
1.104 raeburn 897: }
898: else {
1.114 raeburn 899: alert("Please use the 'Select Course' link to open a separate pick course window where you may select the course you wish to enter.");
1.104 raeburn 900: }
901: }
902: else {
903: alert("You can only use this screen to select courses in the current domain")
904: }
905: }
1.109 raeburn 906: function getIndex(caller) {
1.108 raeburn 907: for (var i=0;i<document.rolechoice.elements.length;i++) {
1.109 raeburn 908: if (document.rolechoice.elements[i] == caller) {
1.108 raeburn 909: return i;
910: }
911: }
912: return -1;
913: }
1.104 raeburn 914: </script>
915: END
1.109 raeburn 916: return $verify_script;
1.104 raeburn 917: }
918:
1.109 raeburn 919: sub processpick {
920: my $dcdom = shift;
921: my $process_pick = <<"END";
922: <script>
923: function process_pick(dom) {
924: var numbutton = getIndex(dom)
925: var pickedCourse = opener.document.rolechoice.dccourse_$dcdom.value
926: var pickedDomain = opener.document.rolechoice.dcdomain_$dcdom.value
927: if (opener.document.rolechoice.dcdomain_$dcdom.value == opener.document.rolechoice.origdom_$dcdom.value) {
928: if (pickedCourse != '') {
929: if (numbutton != -1) {
930: var courseTarget = "cc./"+pickedDomain+"/"+pickedCourse
1.132 albertel 931: opener.document.rolechoice.elements[numbutton].name = courseTarget
1.109 raeburn 932: opener.document.rolechoice.submit()
933: }
934: }
935: }
936: }
937:
938: function getIndex(dom) {
939: var callername = 'ccpick_'+dom
940: for (var i=0;i<opener.document.rolechoice.elements.length;i++) {
941: var elemname = opener.document.rolechoice.elements[i].name
942: if (elemname == callername) {
943: return i;
944: }
945: }
946: return -1;
947: }
948: </script>
949: END
950: return $process_pick;
951: }
1.108 raeburn 952:
1.113 raeburn 953: sub display_cc_role {
954: my $rolekey = shift;
955: my $roletext;
1.118 albertel 956: my $advanced = $env{'user.adv'};
957: my $tryagain = $env{'form.tryagain'};
1.113 raeburn 958: unless ($rolekey =~/^error\:/) {
959: if ($rolekey =~ m-^user\.role.cc\./(\w+)/(\w+)$-) {
960: my $tcourseid = $1.'_'.$2;
961: my $trolecode = 'cc./'.$1.'/'.$2;
962: my $trole = Apache::lonnet::plaintext('cc');
963: my $twhere;
964: my $tbg='#77FF77';
965: my $tfont='#003300';
966: my %newhash=&Apache::lonnet::coursedescription($tcourseid);
967: if (%newhash) {
968: $twhere=$newhash{'description'}.
969: ' <font size="-2">'.
970: &Apache::loncommon::syllabuswrapper(&mt('Syllabus'),$2,$1,$tfont).
971: '</font>';
972: } else {
973: $twhere=&mt('Currently not available');
1.118 albertel 974: $env{'course.'.$tcourseid.'.description'}=$twhere;
1.110 raeburn 975: }
1.113 raeburn 976: $twhere.="<br />".&mt('Domain').":".$1;
1.127 albertel 977: $roletext = &build_roletext($trolecode,$1,$2,'is',$tryagain,$advanced,'',$tbg,$tfont,$trole,&mt('Course'),$twhere,'','','',1,'');
1.104 raeburn 978: }
979: }
1.113 raeburn 980: return $roletext;
1.104 raeburn 981: }
982:
1.108 raeburn 983: sub allcourses_row {
1.109 raeburn 984: my $dcdom = shift;
1.108 raeburn 985: my $ccrole = Apache::lonnet::plaintext('cc');
986: my $selectlink = &courselink($dcdom);
1.132 albertel 987: my $output = '<tr bgcolor="#77FF77">'.
988: '<input type="hidden" name="ccpick_'.$dcdom.'" />'.
989: '<input type="hidden" name="pick_'.$dcdom.'" value="1" />'.
990: '<td colspan="5">'.
991: '<font color="#002200">'.$ccrole.'</font>'.
992: ' <b>'.$selectlink.'</b>'.
993: ' from '.&mt('Domain').' '.$dcdom.
994: '<tr><td colspan="5" height="3"></td></tr>'."\n";
1.108 raeburn 995: return $output;
996: }
997:
1.104 raeburn 998: sub recent_filename {
999: my $area=shift;
1000: return 'nohist_recent_'.&Apache::lonnet::escape($area);
1001: }
1002:
1.106 raeburn 1003: sub set_privileges {
1004: my ($dcdom,$pickedcourse) = @_;
1005: my $area = '/'.$dcdom.'/'.$pickedcourse;
1006: my $role = 'cc';
1007: my $spec = $role.'.'.$area;
1.118 albertel 1008: my $userroles = &Apache::lonnet::set_arearole($role,$area,'','',$dcdom,$env{'user.name'});
1.106 raeburn 1009: my %ccrole = ();
1010: &Apache::lonnet::standard_roleprivs(\%ccrole,$role,$dcdom,$spec,$pickedcourse,$area);
1.107 raeburn 1011: my ($author,$adv)= &Apache::lonnet::set_userprivs(\$userroles,\%ccrole);
1012: my @newprivs = split/\n/,$userroles;
1.106 raeburn 1013: my %newccroles = ();
1014: foreach (@newprivs) {
1015: my ($key,$val) = split/=/,$_;
1016: $newccroles{$key} = $val;
1017: }
1018: &Apache::lonnet::appenv(%newccroles);
1.118 albertel 1019: &Apache::lonnet::log($env{'user.domain'},
1020: $env{'user.name'},
1021: $env{'user.home'},
1.106 raeburn 1022: "Role ".$role);
1023: &Apache::lonnet::appenv(
1024: 'request.role' => $role,
1025: 'request.role.domain' => $dcdom,
1026: 'request.course.sec' => '');
1027: my $tadv=0;
1028: if (&Apache::lonnet::allowed('adv') eq 'F') { $tadv=1; }
1029: &Apache::lonnet::appenv('request.role.adv' => $tadv);
1030: }
1031:
1.1 harris41 1032: 1;
1033: __END__
1.32 harris41 1034:
1035: =head1 NAME
1036:
1037: Apache::lonroles - User Roles Screen
1038:
1039: =head1 SYNOPSIS
1040:
1041: Invoked by /etc/httpd/conf/srm.conf:
1042:
1043: <Location /adm/roles>
1044: PerlAccessHandler Apache::lonacc
1045: SetHandler perl-script
1046: PerlHandler Apache::lonroles
1047: ErrorDocument 403 /adm/login
1048: ErrorDocument 500 /adm/errorhandler
1049: </Location>
1.64 bowersj2 1050:
1051: =head1 OVERVIEW
1052:
1053: =head2 Choosing Roles
1054:
1055: C<lonroles> is a handler that allows a user to switch roles in
1056: mid-session. LON-CAPA attempts to work with "No Role Specified", the
1057: default role that a user has before selecting a role, as widely as
1058: possible, but certain handlers for example need specification which
1059: course they should act on, etc. Both in this scenario, and when the
1060: handler determines via C<lonnet>'s C<&allowed> function that a certain
1061: action is not allowed, C<lonroles> is used as error handler. This
1062: allows the user to select another role which may have permission to do
1063: what they were trying to do. C<lonroles> can also be accessed via the
1064: B<CRS> button in the Remote Control.
1065:
1066: =begin latex
1067:
1068: \begin{figure}
1069: \begin{center}
1070: \includegraphics[width=0.45\paperwidth,keepaspectratio]{Sample_Roles_Screen}
1071: \caption{\label{Sample_Roles_Screen}Sample Roles Screen}
1072: \end{center}
1073: \end{figure}
1074:
1075: =end latex
1076:
1077: =head2 Role Initialization
1078:
1079: 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.
1.32 harris41 1080:
1081: =head1 INTRODUCTION
1082:
1083: This module enables a user to select what role he wishes to
1084: operate under (instructor, student, teaching assistant, course
1085: coordinator, etc). These roles are pre-established by the actions
1086: of upper-level users.
1087:
1088: This is part of the LearningOnline Network with CAPA project
1089: described at http://www.lon-capa.org.
1090:
1091: =head1 HANDLER SUBROUTINE
1092:
1093: This routine is called by Apache and mod_perl.
1094:
1095: =over 4
1096:
1097: =item *
1098:
1099: Roles Initialization (yes/no)
1100:
1101: =item *
1102:
1103: Get Error Message from Environment
1104:
1105: =item *
1106:
1107: Who is this?
1108:
1109: =item *
1110:
1111: Generate Page Output
1112:
1113: =item *
1114:
1115: Choice or no choice
1116:
1117: =item *
1118:
1119: Table
1120:
1121: =item *
1122:
1123: Privileges
1124:
1125: =back
1126:
1127: =cut
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