Annotation of loncom/auth/lonroles.pm, revision 1.134
1.1 harris41 1: # The LearningOnline Network with CAPA
2: # User Roles Screen
1.31 www 3: #
1.134 ! www 4: # $Id: lonroles.pm,v 1.133 2005/11/08 22:08:12 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.');
1.94 albertel 319: 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 320: $r->print(<<ENDHEADER);
321: <html>
322: <head>
323: <title>LON-CAPA User Roles</title>
1.41 www 324: </head>
325: $bodytag
1.45 www 326: $helptag<br />
1.26 www 327: <script>
328: $swinfo
329: window.focus();
1.134 ! www 330:
! 331: active=true;
! 332:
! 333: function enterrole (thisform,rolecode,buttonname) {
! 334: if (active) {
! 335: active=false;
! 336: document.title='$standby';
! 337: window.status='$standby';
! 338: thisform.newrole.value=rolecode;
! 339: thisform.submit();
! 340: } else {
! 341: alert('$standby');
! 342: }
! 343: }
1.26 www 344: </script>
1.10 www 345: ENDHEADER
1.6 www 346:
1.2 www 347: # ------------------------------------------ Get Error Message from Environment
348:
1.118 albertel 349: my ($fn,$priv,$nochoose,$error,$msg)=split(/:/,$env{'user.error.msg'});
350: if ($env{'user.error.msg'}) {
1.55 albertel 351: $r->log_reason(
1.118 albertel 352: "$msg for $env{'user.name'} domain $env{'user.domain'} access $priv",$fn);
1.12 www 353: }
1.1 harris41 354:
1.61 www 355: # ------------------------------------------------- Can this user re-init, etc?
1.6 www 356:
1.118 albertel 357: my $advanced=$env{'user.adv'};
1.61 www 358: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['tryagain']);
1.118 albertel 359: my $tryagain=$env{'form.tryagain'};
1.6 www 360:
1.2 www 361: # -------------------------------------------------------- Generate Page Output
1.6 www 362: # --------------------------------------------------------------- Error Header?
1.2 www 363: if ($error) {
364: $r->print("<h1>LON-CAPA Access Control</h1>");
1.126 www 365: $r->print("<!-- LONCAPAACCESSCONTROLERRORSCREEN --><hr /><pre>Access : ".
1.4 www 366: Apache::lonnet::plaintext($priv)."\n");
1.115 albertel 367: $r->print("Resource: ".&Apache::lonenc::check_encrypt($fn)."\n");
1.120 albertel 368: $r->print("Action : $msg\n</pre><hr />");
369: my $url=$fn;
370: my $last;
371: if (tie(my %hash,'GDBM_File',$env{'request.course.fn'}.'_symb.db',
372: &GDBM_READER(),0640)) {
373: $last=$hash{'last_known'};
374: untie(%hash);
375: }
376: if ($last) { $fn.='?symb='.&Apache::lonnet::escape($last); }
377:
378: &Apache::londocs::changewarning($r,undef,'You have modified your course recently, [_1] may fix this access problem.',
379: &Apache::lonenc::check_encrypt($fn));
1.2 www 380: } else {
1.118 albertel 381: if ($env{'user.error.msg'}) {
1.25 www 382: $r->print(
1.131 albertel 383: '<h3><font color="red">'.
1.72 www 384: &mt('You need to choose another user role or enter a specific course for this function').'</font></h3>');
1.25 www 385: }
1.2 www 386: }
1.6 www 387: # -------------------------------------------------------- Choice or no choice?
1.2 www 388: if ($nochoose) {
1.6 www 389: if ($advanced) {
1.72 www 390: $r->print("<h2>".&mt('Assigned User Roles')."</h2>\n");
1.6 www 391: } else {
1.72 www 392: $r->print("<h2>".&mt('Sorry ...')."</h2>\n".
393: &mt('This resource might be part of'));
1.118 albertel 394: if ($env{'request.course.id'}) {
1.72 www 395: $r->print(&mt(' another'));
1.55 albertel 396: } else {
1.72 www 397: $r->print(&mt(' a certain'));
1.55 albertel 398: }
1.72 www 399: $r->print(&mt(' course.').'</body></html>');
1.55 albertel 400: return OK;
1.6 www 401: }
402: } else {
403: if ($advanced) {
1.72 www 404: $r->print(&mt("Your home server is ").
1.55 albertel 405: $Apache::lonnet::hostname{&Apache::lonnet::homeserver
1.118 albertel 406: ($env{'user.name'},$env{'user.domain'})}.
1.55 albertel 407: "<br />\n");
1.72 www 408: $r->print(&mt(
1.126 www 409: "Author and Co-Author roles are not available on servers other than their respective home servers."));
1.17 www 410: }
1.18 www 411: if (($ENV{'REDIRECT_QUERY_STRING'}) && ($fn)) {
412: $fn.='?'.$ENV{'REDIRECT_QUERY_STRING'};
1.6 www 413: }
1.84 www 414: $r->print('<form method="post" name="rolechoice" action="'.(($fn)?$fn:$r->uri).'">');
1.116 albertel 415: $r->print('<input type="hidden" name="orgurl" value="'.$fn.'" />');
416: $r->print('<input type="hidden" name="selectrole" value="1" />');
1.134 ! www 417: $r->print('<input type="hidden" name="newrole" value="" />');
1.6 www 418: }
1.118 albertel 419: if ($env{'user.adv'}) {
1.63 www 420: $r->print(
1.116 albertel 421: '<br /><label>'.&mt('Show all roles').': <input type="checkbox" name="showall"');
1.118 albertel 422: if ($env{'form.showall'}) { $r->print(' checked="checked" '); }
1.116 albertel 423: $r->print(' /></label><input type="submit" value="'.&mt('Display').'" />');
1.63 www 424: }
1.4 www 425:
1.75 albertel 426: my (%roletext,%sortrole,%roleclass);
1.84 www 427: my $countactive=0;
428: my $inrole=0;
429: my $possiblerole='';
1.118 albertel 430: foreach $envkey (sort keys %env) {
1.35 matthew 431: my $button = 1;
1.49 www 432: my $switchserver='';
1.75 albertel 433: my $roletext;
434: my $sortkey;
1.2 www 435: if ($envkey=~/^user\.role\./) {
1.102 raeburn 436: my ($role,$where,$trolecode,$tstart,$tend,$tremark,$tstatus,$tpstart,$tpend,$tfont);
437: &role_status($envkey,$then,$now,\$role,\$where,\$trolecode,\$tstatus,\$tstart,\$tend);
1.46 matthew 438: next if (!defined($role) || $role eq '');
1.102 raeburn 439: $tremark='';
440: $tpstart=' ';
441: $tpend=' ';
442: $tfont='#000000';
1.4 www 443: if ($tstart) {
1.74 www 444: $tpstart=&Apache::lonlocal::locallocaltime($tstart);
1.4 www 445: }
446: if ($tend) {
1.74 www 447: $tpend=&Apache::lonlocal::locallocaltime($tend);
1.4 www 448: }
1.118 albertel 449: if ($env{'request.role'} eq $trolecode) {
1.6 www 450: $tstatus='selected';
451: }
1.4 www 452: my $tbg;
1.35 matthew 453: if (($tstatus eq 'is') || ($tstatus eq 'selected') ||
1.118 albertel 454: ($env{'form.showall'})) {
1.35 matthew 455: if ($tstatus eq 'is') {
456: $tbg='#77FF77';
1.47 www 457: $tfont='#003300';
1.84 www 458: $possiblerole=$trolecode;
459: $countactive++;
1.35 matthew 460: } elsif ($tstatus eq 'future') {
461: $tbg='#FFFF77';
1.49 www 462: $button=0;
1.35 matthew 463: } elsif ($tstatus eq 'will') {
464: $tbg='#FFAA77';
1.72 www 465: $tremark.=&mt('Active at next login. ');
1.35 matthew 466: } elsif ($tstatus eq 'expired') {
467: $tbg='#FF7777';
1.47 www 468: $tfont='#330000';
1.49 www 469: $button=0;
1.35 matthew 470: } elsif ($tstatus eq 'will_not') {
471: $tbg='#AAFF77';
1.72 www 472: $tremark.=&mt('Expired after logout. ');
1.35 matthew 473: } elsif ($tstatus eq 'selected') {
474: $tbg='#11CC55';
1.47 www 475: $tfont='#002200';
1.84 www 476: $inrole=1;
1.86 albertel 477: $countactive++;
1.72 www 478: $tremark.=&mt('Currently selected. ');
1.35 matthew 479: }
480: my $trole;
481: if ($role =~ /^cr\//) {
482: my ($rdummy,$rdomain,$rauthor,$rrole)=split(/\//,$role);
1.132 albertel 483: if ($tremark) { $tremark.='<br />'; }
484: $tremark.=&mt('Defined by ').$rauthor.
1.72 www 485: &mt(' at ').$rdomain.'.';
1.35 matthew 486: $trole=$rrole;
1.8 www 487: } else {
1.35 matthew 488: $trole=Apache::lonnet::plaintext($role);
489: }
490: my $ttype;
491: my $twhere;
492: my ($tdom,$trest,$tsection)=
493: split(/\//,Apache::lonnet::declutter($where));
494: # First, Co-Authorship roles
1.125 www 495: if (($role eq 'ca') || ($role eq 'aa')) {
1.39 stredwic 496: my $home = &Apache::lonnet::homeserver($trest,$tdom);
1.83 albertel 497: my $allowed=0;
498: my @ids=&Apache::lonnet::current_machine_ids();
499: foreach my $id (@ids) { if ($id eq $home) { $allowed=1; } }
500: if (!$allowed) {
1.49 www 501: $button=0;
1.130 albertel 502: $switchserver='otherserver='.$home.'&role='.$trolecode;
1.49 www 503: }
1.35 matthew 504: #next if ($home eq 'no_host');
505: $home = $Apache::lonnet::hostname{$home};
1.78 sakharuk 506: $ttype='Construction Space';
1.72 www 507: $twhere=&mt('User').': '.$trest.'<br />'.&mt('Domain').
508: ': '.$tdom.'<br />'.
509: ' '.&mt('Server').': '.$home;
1.118 albertel 510: $env{'course.'.$tdom.'_'.$trest.'.description'}='ca';
1.82 www 511: $tremark.=&Apache::lonhtmlcommon::authorbombs('/res/'.$tdom.'/'.$trest.'/');
1.75 albertel 512: $sortkey=$role."$trest:$tdom";
1.35 matthew 513: } elsif ($role eq 'au') {
514: # Authors
515: my $home = &Apache::lonnet::homeserver
1.118 albertel 516: ($env{'user.name'},$env{'user.domain'});
1.83 albertel 517: my $allowed=0;
518: my @ids=&Apache::lonnet::current_machine_ids();
519: foreach my $id (@ids) { if ($id eq $home) { $allowed=1; } }
520: if (!$allowed) {
1.49 www 521: $button=0;
1.51 www 522: $switchserver=&Apache::lonnet::escape('http://'.
523: $Apache::lonnet::hostname{$home}.
1.118 albertel 524: '/adm/login?domain='.$env{'user.domain'}.
525: '&username='.$env{'user.name'}.
526: '&firsturl=/priv/'.$env{'user.name'}.'/');
1.49 www 527: }
1.35 matthew 528: #next if ($home eq 'no_host');
529: $home = $Apache::lonnet::hostname{$home};
1.78 sakharuk 530: $ttype='Construction Space';
1.72 www 531: $twhere=&mt('Domain').': '.$tdom.'<br />'.&mt('Server').
532: ': '.$home;
1.118 albertel 533: $env{'course.'.$tdom.'_'.$trest.'.description'}='ca';
534: $tremark.=&Apache::lonhtmlcommon::authorbombs('/res/'.$tdom.'/'.$env{'user.name'}.'/');
1.75 albertel 535: $sortkey=$role;
1.35 matthew 536: } elsif ($trest) {
1.78 sakharuk 537: $ttype='Course';
1.35 matthew 538: my $tcourseid=$tdom.'_'.$trest;
1.118 albertel 539: if ($env{'course.'.$tcourseid.'.description'}) {
540: $twhere=$env{'course.'.$tcourseid.'.description'};
1.80 albertel 541: $sortkey=$role."\0".$tdom."\0".$twhere."\0".$envkey;
1.72 www 542: unless ($twhere eq &mt('Currently not available')) {
1.55 albertel 543: $twhere.=' <font size="-2">'.
1.72 www 544: &Apache::loncommon::syllabuswrapper(&mt('Syllabus'),$trest,$tdom,$tfont).
1.49 www 545: '</font>';
1.55 albertel 546: }
1.8 www 547: } else {
1.105 raeburn 548: my %newhash=&Apache::lonnet::coursedescription($tcourseid);
1.35 matthew 549: if (%newhash) {
1.80 albertel 550: $sortkey=$role."\0".$tdom."\0".$newhash{'description'}.
1.77 albertel 551: "\0".$envkey;
1.49 www 552: $twhere=$newhash{'description'}.
553: ' <font size="-2">'.
1.72 www 554: &Apache::loncommon::syllabuswrapper(&mt('Syllabus'),$trest,$tdom,$tfont).
1.49 www 555: '</font>';
1.35 matthew 556: } else {
1.72 www 557: $twhere=&mt('Currently not available');
1.118 albertel 558: $env{'course.'.$tcourseid.'.description'}=$twhere;
1.80 albertel 559: $sortkey=$role."\0".$tdom."\0".$twhere."\0".$envkey;
1.35 matthew 560: }
1.8 www 561: }
1.121 albertel 562: if ($tsection) {
563: $twhere.='<br />'.&mt('Section/Group').': '.$tsection;
564: }
565:
1.72 www 566: if ($role ne 'st') { $twhere.="<br />".&mt('Domain').":".$tdom; }
1.35 matthew 567: } elsif ($tdom) {
1.78 sakharuk 568: $ttype='Domain';
1.35 matthew 569: $twhere=$tdom;
1.75 albertel 570: $sortkey=$role.$twhere;
1.35 matthew 571: } else {
1.78 sakharuk 572: $ttype='System';
1.72 www 573: $twhere=&mt('system wide');
1.75 albertel 574: $sortkey=$role.$twhere;
1.13 www 575: }
1.35 matthew 576:
1.127 albertel 577: $roletext.=&build_roletext($trolecode,$tdom,$trest,$tstatus,$tryagain,$advanced,$tremark,$tbg,$tfont,$trole,$ttype,$twhere,$tpstart,$tpend,$nochoose,$button,$switchserver);
1.75 albertel 578: $roletext{$envkey}=$roletext;
579: if (!$sortkey) {$sortkey=$twhere."\0".$envkey;}
580: $sortrole{$sortkey}=$envkey;
581: $roleclass{$envkey}=$ttype;
1.55 albertel 582: }
1.4 www 583: }
1.75 albertel 584: }
1.84 www 585: # No active roles
586: if ($countactive==0) {
587: if ($inrole) {
588: $r->print('<h2>'.&mt('Currently no additional roles or courses').'</h2>');
589: } else {
590: $r->print('<h2>'.&mt('Currently no active roles or courses').'</h2>');
591: }
592: $r->print('</form></body></html>');
593: return OK;
594: # Is there only one choice?
1.118 albertel 595: } elsif (($countactive==1) && ($env{'request.role'} eq 'cm')) {
1.84 www 596: $r->print('<h3>'.&mt('Please stand by.').'</h3>'.
597: '<input type="hidden" name="'.$possiblerole.'" value="1" />');
598: $r->print("</form>\n");
599: $r->rflush();
600: $r->print('<script>document.forms.rolechoice.submit();</script>');
601: $r->print('</body></html>');
602: return OK;
603: }
604: # More than one possible role
605: # ----------------------------------------------------------------------- Table
606: unless (($advanced) || ($nochoose)) {
607: $r->print("<h2>".&mt('Select a Course to Enter')."</h2>\n");
608: }
609: $r->print('<br /><table><tr>');
610: unless ($nochoose) { $r->print('<th> </th>'); }
1.121 albertel 611: $r->print('<th>'.&mt('User Role').'</th><th>'.&mt('Extent').
1.132 albertel 612: '</th><th>'.&mt('Start').'</th><th>'.&mt('End').'</th></tr>'."\n");
1.76 albertel 613: my $doheaders=-1;
1.129 albertel 614: foreach my $type ('Domain','Construction Space','Course','System') {
1.76 albertel 615: my $haverole=0;
1.75 albertel 616: foreach my $which (sort {uc($a) cmp uc($b)} (keys(%sortrole))) {
617: if ($roleclass{$sortrole{$which}} =~ /^\Q$type\E/) {
1.76 albertel 618: $haverole=1;
1.75 albertel 619: }
1.76 albertel 620: }
621: if ($haverole) { $doheaders++; }
622: }
1.111 albertel 623:
1.118 albertel 624: if ($env{'environment.recentroles'}) {
1.111 albertel 625: my %recent_roles =
1.118 albertel 626: &Apache::lonhtmlcommon::get_recent('roles',$env{'environment.recentrolesn'});
1.111 albertel 627: my $output='';
628: foreach (sort(keys(%recent_roles))) {
629: if (defined($roletext{'user.role.'.$_})) {
630: $output.=$roletext{'user.role.'.$_};
1.133 albertel 631: if ($_ =~ m-dc\./(\w+)/- && $dcroles{$1}) {
632: $output .= &allcourses_row($1);
633: }
1.113 raeburn 634: } elsif ($numdc > 0) {
635: unless ($_ =~/^error\:/) {
636: $output.=&display_cc_role('user.role.'.$_);
637: }
638: }
1.111 albertel 639: }
640: if ($output) {
1.132 albertel 641: $r->print("<tr><td align='center' colspan='5'><font face='arial'>".
1.126 www 642: &mt('Recent Roles')."</font></td>");
1.111 albertel 643: $r->print($output);
644: $r->print("</tr>");
1.114 raeburn 645: $doheaders ++;
1.111 albertel 646: }
647: }
648:
1.104 raeburn 649: if ($numdc > 0) {
1.112 raeburn 650: $r->print(&coursepick_jscript());
651: $r->print(&Apache::loncommon::coursebrowser_javascript());
1.108 raeburn 652: }
1.132 albertel 653: foreach my $type ('Construction Space','Domain','Course','System') {
1.108 raeburn 654: my $output;
655: foreach my $which (sort {uc($a) cmp uc($b)} (keys(%sortrole))) {
656: if ($roleclass{$sortrole{$which}} =~ /^\Q$type\E/) {
657: $output.=$roletext{$sortrole{$which}};
658: if ($sortrole{$which} =~ m-dc\./(\w+)/-) {
659: if ($dcroles{$1}) {
660: $output .= &allcourses_row($1);
1.104 raeburn 661: }
662: }
1.76 albertel 663: }
1.108 raeburn 664: }
665: if ($output) {
666: if ($doheaders > 0) {
1.126 www 667: $r->print("<tr>".
1.132 albertel 668: "<td align='center' colspan='5'><font face='arial'>".&mt($type)."</font></td></tr>");
1.76 albertel 669: }
1.108 raeburn 670: $r->print($output);
671: }
1.4 www 672: }
1.14 www 673: my $tremark='';
1.47 www 674: my $tfont='#003300';
1.118 albertel 675: if ($env{'request.role'} eq 'cm') {
1.19 www 676: $r->print('<tr bgcolor="#11CC55">');
1.72 www 677: $tremark=&mt('Currently selected. ');
1.47 www 678: $tfont='#002200';
1.14 www 679: } else {
680: $r->print('<tr bgcolor="#77FF77">');
681: }
682: unless ($nochoose) {
1.118 albertel 683: if ($env{'request.role'} ne 'cm') {
1.134 ! www 684: $r->print('<td><input type="submit" value="'.
1.72 www 685: &mt('Select').'" name="cm"></td>');
1.55 albertel 686: } else {
687: $r->print('<td> </td>');
688: }
1.14 www 689: }
1.132 albertel 690: $r->print('<td colspan="3"><font color="'.$tfont.'">'.&mt('No role specified').
1.47 www 691: '</font></td><td><font color="'.$tfont.'">'.$tremark.
692: ' </font></td></tr>'."\n");
1.4 www 693:
694: $r->print('</table>');
695: unless ($nochoose) {
696: $r->print("</form>\n");
697: }
1.22 harris41 698: # ------------------------------------------------------------ Privileges Info
1.118 albertel 699: if (($advanced) && (($env{'user.error.msg'}) || ($error))) {
1.127 albertel 700: $r->print('<hr /><h2>Current Privileges</h2>');
1.4 www 701:
1.118 albertel 702: foreach $envkey (sort keys %env) {
703: if ($envkey=~/^user\.priv\.$env{'request.role'}\./) {
1.55 albertel 704: my $where=$envkey;
1.118 albertel 705: $where=~s/^user\.priv\.$env{'request.role'}\.//;
1.55 albertel 706: my $ttype;
707: my $twhere;
708: my ($tdom,$trest,$tsec)=
709: split(/\//,Apache::lonnet::declutter($where));
710: if ($trest) {
1.118 albertel 711: if ($env{'course.'.$tdom.'_'.$trest.'.description'} eq 'ca') {
1.55 albertel 712: $ttype='Construction Space';
713: $twhere='User: '.$trest.', Domain: '.$tdom;
714: } else {
715: $ttype='Course';
1.118 albertel 716: $twhere=$env{'course.'.$tdom.'_'.$trest.'.description'};
1.55 albertel 717: if ($tsec) {
718: $twhere.=' (Section/Group: '.$tsec.')';
719: }
720: }
721: } elsif ($tdom) {
722: $ttype='Domain';
723: $twhere=$tdom;
724: } else {
725: $ttype='System';
726: $twhere='/';
727: }
728: $r->print("\n<h3>".$ttype.': '.$twhere.'</h3><ul>');
1.118 albertel 729: foreach (sort split(/:/,$env{$envkey})) {
1.55 albertel 730: if ($_) {
731: my ($prv,$restr)=split(/\&/,$_);
732: my $trestr='';
733: if ($restr ne 'F') {
734: my $i;
735: $trestr.=' (';
736: for ($i=0;$i<length($restr);$i++) {
737: $trestr.=
738: Apache::lonnet::plaintext(substr($restr,$i,1));
739: if ($i<length($restr)-1) { $trestr.=', '; }
740: }
741: $trestr.=')';
742: }
743: $r->print('<li>'.
744: Apache::lonnet::plaintext($prv).$trestr.
745: '</li>');
746: }
747: }
748: $r->print('</ul>');
749: }
750: }
1.4 www 751: }
1.66 www 752: $r->print(&Apache::lonnet::getannounce());
1.65 www 753: if ($advanced) {
754: $r->print('<p><small><i>This is LON-CAPA '.
1.85 www 755: $r->dir_config('lonVersion').'</i><br />'.
756: '<a href="/adm/logout">'.&mt('Logout').'</a></small></p>');
1.65 www 757: }
1.1 harris41 758: $r->print("</body></html>\n");
759: return OK;
1.102 raeburn 760: }
761:
762: sub role_status {
763: my ($rolekey,$then,$now,$role,$where,$trolecode,$tstatus,$tstart,$tend) = @_;
764: my @pwhere = ();
1.118 albertel 765: if (exists($env{$rolekey}) && $env{$rolekey} ne '') {
1.102 raeburn 766: (undef,undef,$$role,@pwhere)=split(/\./,$rolekey);
767: unless (!defined($$role) || $$role eq '') {
768: $$where=join('.',@pwhere);
769: $$trolecode=$$role.'.'.$$where;
1.118 albertel 770: ($$tstart,$$tend)=split(/\./,$env{$rolekey});
1.102 raeburn 771: $$tstatus='is';
1.105 raeburn 772: if ($$tstart && $$tstart>$then) {
773: $$tstatus='future';
774: if ($$tstart<$now) { $$tstatus='will'; }
1.102 raeburn 775: }
776: if ($$tend) {
777: if ($$tend<$then) {
778: $$tstatus='expired';
1.103 raeburn 779: } elsif ($$tend<$now) {
1.104 raeburn 780: $$tstatus='will_not';
1.102 raeburn 781: }
782: }
783: }
784: }
785: }
1.1 harris41 786:
1.110 raeburn 787: sub build_roletext {
1.127 albertel 788: my ($trolecode,$tdom,$trest,$tstatus,$tryagain,$advanced,$tremark,$tbg,$tfont,$trole,$ttype,$twhere,$tpstart,$tpend,$nochoose,$button,$switchserver) = @_;
789: my $roletext='<tr bgcolor="'.$tbg.'">';
1.132 albertel 790: my $is_dc=($trolecode =~ m/^dc\./);
791: my $rowspan=($is_dc) ? ''
792: : ' rowspan="2" ';
793:
1.110 raeburn 794: unless ($nochoose) {
1.134 ! www 795: my $buttonname=$trolecode;
! 796: $buttonname=~s/\W//g;
1.110 raeburn 797: if (!$button) {
798: if ($switchserver) {
1.132 albertel 799: $roletext.='<td'.$rowspan.'><a href="/adm/switchserver?'.
1.110 raeburn 800: $switchserver.'">'.&mt('Switch Server').'</a></td>';
801: } else {
802: $roletext.=('<td> </td>');
803: }
804: } elsif ($tstatus eq 'is') {
1.134 ! www 805: $roletext.='<td'.$rowspan.'><input name="'.$buttonname.'" type="button" value="'.
! 806: &mt('Select').'" onClick="javascript:enterrole(this.form,\''.
! 807: $trolecode."','".$buttonname.'\');"></td>';
1.110 raeburn 808: } elsif ($tryagain) {
809: $roletext.=
1.134 ! www 810: '<td'.$rowspan.'><input name="'.$buttonname.'" type="button" value="'.
! 811: &mt('Try Selecting Again').'" onClick="javascript:enterrole(this.form,\''.
! 812: $trolecode."','".$buttonname.'\');"></td>';
1.110 raeburn 813: } elsif ($advanced) {
814: $roletext.=
1.134 ! www 815: '<td'.$rowspan.'><input name="'.$buttonname.'" type="button" value="'.
! 816: &mt('Re-Initialize').'" onClick="javascript:enterrole(this.form,\''.
! 817: $trolecode."','".$buttonname.'\');"></td>';
1.110 raeburn 818: } else {
1.132 albertel 819: $roletext.='<td'.$rowspan.'> </td>';
1.110 raeburn 820: }
821: }
822: $tremark.=&Apache::lonannounce::showday(time,1,
823: &Apache::lonannounce::readcalendar($tdom.'_'.$trest));
824:
825: $roletext.='<td><font color="'.$tfont.'">'.$trole.
1.121 albertel 826: '</font></td><td><font color="'.$tfont.'">'.$twhere.
1.110 raeburn 827: '</font></td><td><font color="'.$tfont.'">'.$tpstart.
828: '</font></td><td><font color="'.$tfont.'">'.$tpend.
1.132 albertel 829: '</font></td></tr>';
830: if (!$is_dc) {
831: $roletext.='<tr bgcolor="'.$tbg.'"><td colspan="4"><font color="'.$tfont.'">'.$tremark.
832: ' </font></td></tr><tr><td colspan="5" height="3"></td></tr>'."\n";
833: }
1.110 raeburn 834: return $roletext;
835: }
836:
837: sub check_privs {
838: my ($cckey,$then,$now) = @_;
1.118 albertel 839: if ($env{$cckey}) {
1.110 raeburn 840: my ($role,$where,$trolecode,$tstart,$tend,$tremark,$tstatus,$tpstart,$tpend,$tfont);
841: &role_status($cckey,$then,$now,\$role,\$where,\$trolecode,\$tstatus,\$tstart,\$tend);
842: unless (($tstatus eq 'is') || ($tstatus eq 'will_not')) {
843: &set_privileges($1,$2);
844: }
845: } else {
846: &set_privileges($1,$2);
847: }
848: }
849:
1.104 raeburn 850: sub check_fordc {
851: my ($dcroles,$then) = @_;
852: my $numdc = 0;
1.118 albertel 853: if ($env{'user.adv'}) {
854: foreach my $envkey (sort keys %env) {
1.104 raeburn 855: if ($envkey=~/^user\.role\.dc\.\/(\w+)\/$/) {
856: my $dcdom = $1;
857: my $livedc = 1;
1.118 albertel 858: my ($tstart,$tend)=split(/\./,$env{$envkey});
1.105 raeburn 859: if ($tstart && $tstart>$then) { $livedc = 0; }
860: if ($tend && $tend <$then) { $livedc = 0; }
1.104 raeburn 861: if ($livedc) {
862: $$dcroles{$dcdom} = $envkey;
1.105 raeburn 863: $numdc++;
1.104 raeburn 864: }
865: }
866: }
867: }
868: return $numdc;
869: }
870:
1.108 raeburn 871: sub courselink {
872: my ($dcdom) = @_;
1.109 raeburn 873: my $courseform=&Apache::loncommon::selectcourse_link
1.112 raeburn 874: ('rolechoice','dccourse_'.$dcdom,'dcdomain_'.$dcdom,'coursedesc_'.$dcdom,$dcdom);
1.109 raeburn 875: my $hiddenitems = '<input type="hidden" name="dcdomain_'.$dcdom.'" value="'.$dcdom.'" />'.
876: '<input type="hidden" name="origdom_'.$dcdom.'" value="'.$dcdom.'" />'.
877: '<input type="hidden" name="dccourse_'.$dcdom.'" value="" />'.
878: '<input type="hidden" name="coursedesc_'.$dcdom.'" value="" />';
1.112 raeburn 879: return $courseform.$hiddenitems;
1.109 raeburn 880: }
881:
882: sub coursepick_jscript {
1.104 raeburn 883: my $verify_script = <<"END";
884: <script>
1.108 raeburn 885: function verifyCoursePick(caller) {
886: var numbutton = getIndex(caller)
1.112 raeburn 887: var pickedCourse = document.rolechoice.elements[numbutton+4].value
888: var pickedDomain = document.rolechoice.elements[numbutton+2].value
889: if (document.rolechoice.elements[numbutton+2].value == document.rolechoice.elements[numbutton+3].value) {
1.104 raeburn 890: if (pickedCourse != '') {
1.108 raeburn 891: if (numbutton != -1) {
892: var courseTarget = "cc./"+pickedDomain+"/"+pickedCourse
893: document.rolechoice.elements[numbutton+1].name = courseTarget
894: document.rolechoice.submit()
895: }
1.104 raeburn 896: }
897: else {
1.114 raeburn 898: 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 899: }
900: }
901: else {
902: alert("You can only use this screen to select courses in the current domain")
903: }
904: }
1.109 raeburn 905: function getIndex(caller) {
1.108 raeburn 906: for (var i=0;i<document.rolechoice.elements.length;i++) {
1.109 raeburn 907: if (document.rolechoice.elements[i] == caller) {
1.108 raeburn 908: return i;
909: }
910: }
911: return -1;
912: }
1.104 raeburn 913: </script>
914: END
1.109 raeburn 915: return $verify_script;
1.104 raeburn 916: }
917:
1.109 raeburn 918: sub processpick {
919: my $dcdom = shift;
920: my $process_pick = <<"END";
921: <script>
922: function process_pick(dom) {
923: var numbutton = getIndex(dom)
924: var pickedCourse = opener.document.rolechoice.dccourse_$dcdom.value
925: var pickedDomain = opener.document.rolechoice.dcdomain_$dcdom.value
926: if (opener.document.rolechoice.dcdomain_$dcdom.value == opener.document.rolechoice.origdom_$dcdom.value) {
927: if (pickedCourse != '') {
928: if (numbutton != -1) {
929: var courseTarget = "cc./"+pickedDomain+"/"+pickedCourse
1.132 albertel 930: opener.document.rolechoice.elements[numbutton].name = courseTarget
1.109 raeburn 931: opener.document.rolechoice.submit()
932: }
933: }
934: }
935: }
936:
937: function getIndex(dom) {
938: var callername = 'ccpick_'+dom
939: for (var i=0;i<opener.document.rolechoice.elements.length;i++) {
940: var elemname = opener.document.rolechoice.elements[i].name
941: if (elemname == callername) {
942: return i;
943: }
944: }
945: return -1;
946: }
947: </script>
948: END
949: return $process_pick;
950: }
1.108 raeburn 951:
1.113 raeburn 952: sub display_cc_role {
953: my $rolekey = shift;
954: my $roletext;
1.118 albertel 955: my $advanced = $env{'user.adv'};
956: my $tryagain = $env{'form.tryagain'};
1.113 raeburn 957: unless ($rolekey =~/^error\:/) {
958: if ($rolekey =~ m-^user\.role.cc\./(\w+)/(\w+)$-) {
959: my $tcourseid = $1.'_'.$2;
960: my $trolecode = 'cc./'.$1.'/'.$2;
961: my $trole = Apache::lonnet::plaintext('cc');
962: my $twhere;
963: my $tbg='#77FF77';
964: my $tfont='#003300';
965: my %newhash=&Apache::lonnet::coursedescription($tcourseid);
966: if (%newhash) {
967: $twhere=$newhash{'description'}.
968: ' <font size="-2">'.
969: &Apache::loncommon::syllabuswrapper(&mt('Syllabus'),$2,$1,$tfont).
970: '</font>';
971: } else {
972: $twhere=&mt('Currently not available');
1.118 albertel 973: $env{'course.'.$tcourseid.'.description'}=$twhere;
1.110 raeburn 974: }
1.113 raeburn 975: $twhere.="<br />".&mt('Domain').":".$1;
1.127 albertel 976: $roletext = &build_roletext($trolecode,$1,$2,'is',$tryagain,$advanced,'',$tbg,$tfont,$trole,&mt('Course'),$twhere,'','','',1,'');
1.104 raeburn 977: }
978: }
1.113 raeburn 979: return $roletext;
1.104 raeburn 980: }
981:
1.108 raeburn 982: sub allcourses_row {
1.109 raeburn 983: my $dcdom = shift;
1.108 raeburn 984: my $ccrole = Apache::lonnet::plaintext('cc');
985: my $selectlink = &courselink($dcdom);
1.132 albertel 986: my $output = '<tr bgcolor="#77FF77">'.
987: '<input type="hidden" name="ccpick_'.$dcdom.'" />'.
988: '<input type="hidden" name="pick_'.$dcdom.'" value="1" />'.
989: '<td colspan="5">'.
990: '<font color="#002200">'.$ccrole.'</font>'.
991: ' <b>'.$selectlink.'</b>'.
992: ' from '.&mt('Domain').' '.$dcdom.
993: '<tr><td colspan="5" height="3"></td></tr>'."\n";
1.108 raeburn 994: return $output;
995: }
996:
1.104 raeburn 997: sub recent_filename {
998: my $area=shift;
999: return 'nohist_recent_'.&Apache::lonnet::escape($area);
1000: }
1001:
1.106 raeburn 1002: sub set_privileges {
1003: my ($dcdom,$pickedcourse) = @_;
1004: my $area = '/'.$dcdom.'/'.$pickedcourse;
1005: my $role = 'cc';
1006: my $spec = $role.'.'.$area;
1.118 albertel 1007: my $userroles = &Apache::lonnet::set_arearole($role,$area,'','',$dcdom,$env{'user.name'});
1.106 raeburn 1008: my %ccrole = ();
1009: &Apache::lonnet::standard_roleprivs(\%ccrole,$role,$dcdom,$spec,$pickedcourse,$area);
1.107 raeburn 1010: my ($author,$adv)= &Apache::lonnet::set_userprivs(\$userroles,\%ccrole);
1011: my @newprivs = split/\n/,$userroles;
1.106 raeburn 1012: my %newccroles = ();
1013: foreach (@newprivs) {
1014: my ($key,$val) = split/=/,$_;
1015: $newccroles{$key} = $val;
1016: }
1017: &Apache::lonnet::appenv(%newccroles);
1.118 albertel 1018: &Apache::lonnet::log($env{'user.domain'},
1019: $env{'user.name'},
1020: $env{'user.home'},
1.106 raeburn 1021: "Role ".$role);
1022: &Apache::lonnet::appenv(
1023: 'request.role' => $role,
1024: 'request.role.domain' => $dcdom,
1025: 'request.course.sec' => '');
1026: my $tadv=0;
1027: if (&Apache::lonnet::allowed('adv') eq 'F') { $tadv=1; }
1028: &Apache::lonnet::appenv('request.role.adv' => $tadv);
1029: }
1030:
1.1 harris41 1031: 1;
1032: __END__
1.32 harris41 1033:
1034: =head1 NAME
1035:
1036: Apache::lonroles - User Roles Screen
1037:
1038: =head1 SYNOPSIS
1039:
1040: Invoked by /etc/httpd/conf/srm.conf:
1041:
1042: <Location /adm/roles>
1043: PerlAccessHandler Apache::lonacc
1044: SetHandler perl-script
1045: PerlHandler Apache::lonroles
1046: ErrorDocument 403 /adm/login
1047: ErrorDocument 500 /adm/errorhandler
1048: </Location>
1.64 bowersj2 1049:
1050: =head1 OVERVIEW
1051:
1052: =head2 Choosing Roles
1053:
1054: C<lonroles> is a handler that allows a user to switch roles in
1055: mid-session. LON-CAPA attempts to work with "No Role Specified", the
1056: default role that a user has before selecting a role, as widely as
1057: possible, but certain handlers for example need specification which
1058: course they should act on, etc. Both in this scenario, and when the
1059: handler determines via C<lonnet>'s C<&allowed> function that a certain
1060: action is not allowed, C<lonroles> is used as error handler. This
1061: allows the user to select another role which may have permission to do
1062: what they were trying to do. C<lonroles> can also be accessed via the
1063: B<CRS> button in the Remote Control.
1064:
1065: =begin latex
1066:
1067: \begin{figure}
1068: \begin{center}
1069: \includegraphics[width=0.45\paperwidth,keepaspectratio]{Sample_Roles_Screen}
1070: \caption{\label{Sample_Roles_Screen}Sample Roles Screen}
1071: \end{center}
1072: \end{figure}
1073:
1074: =end latex
1075:
1076: =head2 Role Initialization
1077:
1078: 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 1079:
1080: =head1 INTRODUCTION
1081:
1082: This module enables a user to select what role he wishes to
1083: operate under (instructor, student, teaching assistant, course
1084: coordinator, etc). These roles are pre-established by the actions
1085: of upper-level users.
1086:
1087: This is part of the LearningOnline Network with CAPA project
1088: described at http://www.lon-capa.org.
1089:
1090: =head1 HANDLER SUBROUTINE
1091:
1092: This routine is called by Apache and mod_perl.
1093:
1094: =over 4
1095:
1096: =item *
1097:
1098: Roles Initialization (yes/no)
1099:
1100: =item *
1101:
1102: Get Error Message from Environment
1103:
1104: =item *
1105:
1106: Who is this?
1107:
1108: =item *
1109:
1110: Generate Page Output
1111:
1112: =item *
1113:
1114: Choice or no choice
1115:
1116: =item *
1117:
1118: Table
1119:
1120: =item *
1121:
1122: Privileges
1123:
1124: =back
1125:
1126: =cut
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