1: # The LearningOnline Network with CAPA
2: # User Roles Screen
3: # (Directory Indexer
4: # (Login Screen
5: # 5/21/99,5/22,5/25,5/26,5/31,6/2,6/10,7/12,7/14 Gerd Kortemeyer)
6: # 11/23 Gerd Kortemeyer)
7: # 1/14,03/06,06/01,07/22,07/24,07/25,09/04,09/06,09/28,09/29 Gerd Kortemeyer
8: #
9: package Apache::lonroles;
10:
11: use strict;
12: use Apache::lonnet();
13: use Apache::Constants qw(:common);
14: use Apache::File();
15:
16: sub handler {
17: my $r = shift;
18: $r->content_type('text/html');
19: $r->send_http_header;
20: return OK if $r->header_only;
21:
22: # ---------------------------------------------------------------- Print Header
23: $r->print(<<ENDHEADER);
24: <html>
25: <head>
26: <title>LON-CAPA User Roles</title>
27: </head>
28: <body bgcolor="#FFFFFF">
29: ENDHEADER
30:
31: my $now=time;
32: my $then=$ENV{'user.login.time'};
33: my $envkey;
34:
35: # ================================================================== Roles Init
36:
37: if ($ENV{'form.selectrole'}) {
38: foreach $envkey (keys %ENV) {
39: if ($envkey=~/^user\.role\./) {
40: my ($dum1,$dum2,$role,@pwhere)=split(/\./,$envkey);
41: my $where=join('.',@pwhere);
42: my $trolecode=$role.'.'.$where;
43: if ($ENV{'form.'.$trolecode}) {
44: my ($tstart,$tend)=split(/\./,$ENV{$envkey});
45: my $tstatus='is';
46: if ($tstart) {
47: if ($tstart>$then) {
48: $tstatus='future';
49: }
50: }
51: if ($tend) {
52: if ($tend<$then) { $tstatus='expired'; }
53: if ($tend>$now) { $tstatus='will_not'; }
54: }
55: if ($tstatus eq 'is') {
56: &Apache::lonnet::appenv('request.role' => $trolecode);
57:
58: if ($where=~/\.course$/) {
59: # $r->print(
60: # &Apache::lonuserstate::readmap('/res/msu/korte/foo.course','phy231',$fn).
61: }
62:
63: $r->print("Yeah!");
64:
65: }
66: }
67: }
68: }
69:
70: $r->print('<h1>Role not active</h1></body></html>');
71: return OK;
72: }
73: # =============================================================== No Roles Init
74:
75: # ------------------------------------------ Get Error Message from Environment
76:
77: my ($fn,$priv,$nochoose,$error,$msg)=split(/:/,$ENV{'user.error.msg'});
78: $r->log_reason(
79: "$msg for $ENV{'user.name'} domain $ENV{'user.domain'} access $priv",$fn);
80:
81: # ---------------------------------------------------------------- Who is this?
82:
83: my $advanced=0;
84: foreach $envkey (keys %ENV) {
85: if ($envkey=~/^user\.role\./) {
86: my ($dum1,$dum2,$role,@pwhere)=split(/\./,$envkey);
87: if ($role ne 'st') { $advanced=1; }
88: }
89: }
90:
91: # -------------------------------------------------------- Generate Page Output
92: # --------------------------------------------------------------- Error Header?
93: if ($error) {
94: $r->print("<h1>LON-CAPA Access Control</h1>");
95: $r->print("<hr><pre>Access : ".
96: Apache::lonnet::plaintext($priv)."\n");
97: $r->print("Resource: $fn\n");
98: $r->print("Action : $msg\n</pre><hr>");
99: } else {
100: $r->print("<h1>LON-CAPA User Roles</h1>");
101: }
102: # -------------------------------------------------------- Choice or no choice?
103: if ($nochoose) {
104: if ($advanced) {
105: $r->print("<h2>Assigned User Roles</h2>\n");
106: } else {
107: $r->print("<h2>Sorry ...</h2>\nThis resource might be part of");
108: if ($ENV{'request.course.id'}) {
109: $r->print(' another');
110: } else {
111: $r->print(' a certain');
112: }
113: $r->print(' course.</body></html>');
114: return OK;
115: }
116: } else {
117: if ($advanced) {
118: $r->print("<h2>Select a User Role</h2>\n");
119: } else {
120: $r->print("<h2>Enter a Course</h2>\n");
121: }
122: $r->print('<form method=post action="'.$r->uri.'">');
123: $r->print('<input type=hidden name=orgurl value="'.$fn.'">');
124: $r->print('<input type=hidden name=selectrole value=1>');
125: }
126: # ----------------------------------------------------------------------- Table
127: $r->print('<table><tr>');
128: unless ($nochoose) { $r->print('<th> </th>'); }
129: if ($advanced) {
130: $r->print('<th>User Role</th><th colspan=2>Extent</th>'.
131: '<th>Start</th><th>End</th><th>Remark</th></tr>'."\n");
132: } else {
133: $r->print('<th>Course</th></tr>'."\n");
134: }
135:
136: foreach $envkey (sort keys %ENV) {
137: if ($envkey=~/^user\.role\./) {
138: my ($dum1,$dum2,$role,@pwhere)=split(/\./,$envkey);
139: my $where=join('.',@pwhere);
140: my $trolecode=$role.'.'.$where;
141: my ($tstart,$tend)=split(/\./,$ENV{$envkey});
142: my $tremark='';
143: my $tstatus='is';
144: my $tpstart=' ';
145: my $tpend=' ';
146: if ($tstart) {
147: if ($tstart>$then) {
148: $tstatus='future';
149: if ($tstart<$now) { $tstatus='will'; }
150: }
151: $tpstart=localtime($tstart);
152: }
153: if ($tend) {
154: if ($tend<$then) { $tstatus='expired'; }
155: if ($tend>$now) { $tstatus='will_not'; }
156: $tpend=localtime($tend);
157: }
158: if ($ENV{'request.role'} eq $trolecode) {
159: $tstatus='selected';
160: }
161: my $tbg;
162: if ($tstatus eq 'is') {
163: $tbg='#77FF77';
164: } elsif ($tstatus eq 'future') {
165: $tbg='#FFFF77';
166: } elsif ($tstatus eq 'will') {
167: $tbg='#FFAA77';
168: $tremark.='Active at next login. ';
169: } elsif ($tstatus eq 'expired') {
170: $tbg='#FF7777';
171: } elsif ($tstatus eq 'will_not') {
172: $tbg='#AAFF77';
173: $tremark.='Expired after logout. ';
174: } elsif ($tstatus eq 'selected') {
175: $tbg='#33FF33';
176: $tremark.='Currently selected. ';
177: }
178: my $trole;
179: if ($role =~ /^cr\//) {
180: my ($rdummy,$rdomain,$rauthor,$rrole)=split(/\//,$role);
181: $tremark.='<br>Defined by '.$rauthor.' at '.$rdomain.'.';
182: $trole=$rrole;
183: } else {
184: $trole=Apache::lonnet::plaintext($role);
185: }
186: my $ttype;
187: my $twhere;
188: my ($tres,$tdom,$trest)=split(/\//,$where);
189: if ($trest) {
190: $ttype='Course';
191: $twhere=$tdom.'/'.$trest;
192: } elsif ($tdom) {
193: $ttype='Domain';
194: $twhere=$tdom;
195: } else {
196: $ttype='System';
197: $twhere='/';
198: }
199:
200: $r->print('<tr bgcolor='.$tbg.'>');
201: unless ($nochoose) {
202: if ($tstatus eq 'is') {
203: $r->print('<td><input type=submit value=Select name="'.
204: $trolecode.'"></td>');
205: } else {
206: $r->print('<td> </td>');
207: }
208: }
209: $r->print('<td>'.$trole.'</td><td>'.
210: $ttype.'</td><td>'.$twhere.'</td><td>'.$tpstart.
211: '</td><td>'.$tpend.
212: '</td><td>'.$tremark.' </td></tr>'."\n");
213: }
214: }
215:
216: $r->print('</table>');
217: unless ($nochoose) {
218: $r->print("</form>\n");
219: }
220: # ------------------------------------------------------------ Priviledges Info
221: if ($advanced) {
222: $r->print('<hr><h2>Priviledges</h2>');
223:
224: foreach $envkey (sort keys %ENV) {
225: if ($envkey=~/^user\.priv\./) {
226: my ($dum1,$dum2,@pwhere)=split(/\./,$envkey);
227: my $where=join('.',@pwhere);
228: my $ttype;
229: my $twhere;
230: my ($tres,$tdom,$trest)=split(/\//,$where);
231: if ($trest) {
232: $ttype='Course';
233: $twhere=$tdom.'/'.$trest;
234: } elsif ($tdom) {
235: $ttype='Domain';
236: $twhere=$tdom;
237: } else {
238: $ttype='System';
239: $twhere='/';
240: }
241: $r->print("\n<h3>".$ttype.': '.$twhere.'</h3><ul>');
242: map {
243: if ($_) {
244: my ($prv,$restr)=split(/\&/,$_);
245: my $trestr='';
246: if ($restr ne 'F') {
247: my $i;
248: $trestr.=' (';
249: for ($i=0;$i<length($restr);$i++) {
250: $trestr.=
251: Apache::lonnet::plaintext(substr($restr,$i,1));
252: if ($i<length($restr)-1) { $trestr.=', '; }
253: }
254: $trestr.=')';
255: }
256: $r->print('<li>'.Apache::lonnet::plaintext($prv).$trestr.
257: '</li>');
258: }
259: } sort split(/:/,$ENV{$envkey});
260: $r->print('</ul>');
261: }
262: }
263: }
264: # -------------------------------------------------------------- Debug - remove
265:
266: $->print("<hr><h1>Debugging</h1><hr>\n");
267:
268: foreach $envkey (sort keys %ENV) {
269: $r->print("$envkey ---- $ENV{$envkey}<br>");
270: }
271:
272: # ------------------------------------------------------------------- End Debug
273:
274: $r->print("</body></html>\n");
275: return OK;
276: }
277:
278: 1;
279: __END__
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