Annotation of loncom/publisher/loncfile.pm, revision 1.9
1.1 www 1: # The LearningOnline Network with CAPA
2: # Handler to rename files, etc, in construction space
3: #
1.9 ! foxr 4: # This file responds to the various buttons and events
! 5: # in the top frame of the construction space directory.
! 6: # Each event is processed in two phases. The first phase
! 7: # presents a page that describes the proposed action to the user
! 8: # and requests confirmation. The second phase commits the action
! 9: # and displays a page showing the results of the action.
! 10: #
! 11:
! 12: #
! 13: # $Id: loncfile.pm,v 1.8 2002/01/21 17:13:49 albertel Exp $
1.7 albertel 14: #
15: # Copyright Michigan State University Board of Trustees
16: #
17: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
18: #
19: # LON-CAPA is free software; you can redistribute it and/or modify
20: # it under the terms of the GNU General Public License as published by
21: # the Free Software Foundation; either version 2 of the License, or
22: # (at your option) any later version.
23: #
24: # LON-CAPA is distributed in the hope that it will be useful,
25: # but WITHOUT ANY WARRANTY; without even the implied warranty of
26: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
27: # GNU General Public License for more details.
28: #
29: # You should have received a copy of the GNU General Public License
30: # along with LON-CAPA; if not, write to the Free Software
31: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
32: #
33: # /home/httpd/html/adm/gpl.txt
34: #
35: # http://www.lon-capa.org/
36: #
37: #
1.1 www 38: # (Handler to retrieve an old version of a file
39: #
40: # (Publication Handler
41: #
42: # (TeX Content Handler
43: #
44: # 05/29/00,05/30,10/11 Gerd Kortemeyer)
45: #
46: # 11/28,11/29,11/30,12/01,12/02,12/04,12/23 Gerd Kortemeyer
47: # 03/23 Guy Albertelli
48: # 03/24,03/29 Gerd Kortemeyer)
49: #
1.5 www 50: # 03/31,04/03,05/02,05/09,06/23,06/24 Gerd Kortemeyer)
1.1 www 51: #
52: # 06/23 Gerd Kortemeyer
1.9 ! foxr 53: # 05/07/02 Ron Fox:
! 54: # - Added Debug log output so that I can trace what the heck this
! 55: # undocumented thingy does.
1.1 www 56:
57: package Apache::loncfile;
58:
59: use strict;
60: use Apache::File;
61: use File::Copy;
62: use Apache::Constants qw(:common :http :methods);
63: use Apache::loncacc;
1.9 ! foxr 64: use Apache::Log ();
! 65:
! 66: my $DEBUG=1;
! 67:
! 68: #
! 69: # Debug
! 70: # If debugging is enabled puts out a debuggin message determined by the
! 71: # caller. The debug message goes to the Apache error log file.
! 72: #
! 73: # Parameters:
! 74: # r - Apache request [in]
! 75: # message - String [in]
! 76: # Returns:
! 77: # nothing.
! 78: sub Debug {
! 79: my $r = shift;
! 80: my $log = $r->log;
! 81: my $message = shift;
! 82: if ($DEBUG) {
! 83: $log->debug($message);
! 84: }
! 85: }
1.1 www 86:
1.8 albertel 87: sub exists {
88: my ($uname,$udom,$dir,$newfile)=@_;
89: my $published='/home/httpd/html/res/'.$udom.'/'.$uname.'/'.$dir.'/'.
90: $ENV{'form.newfilename'};
91: my $construct='/home/'.$uname.'/public_html/'.$dir.'/'.
92: $ENV{'form.newfilename'};
93: my $result;
94: if (-e $published) {
95: $result.='<p><font color=red>Warning: target file exists, and has been published!</font></p>';
96: } elsif ( -e $construct ) {
97: $result.='<p><font color=red>Warning: target file exists!</font></p>';
98: }
99: return $result;
100: }
101:
102: sub checksuffix {
103: my ($old,$new) = @_;
104: my $result;
105: my $oldsuffix;
106: my $newsuffix;
107: if ($new=~m:(.*/*)([^/]+)\.(\w+)$:) { $newsuffix=$3; }
108: if ($old=~m:(.*)/+([^/]+)\.(\w+)$:) { $oldsuffix=$3; }
109: if ($oldsuffix ne $newsuffix) {
110: $result.='<p><font color=red>Warning: change of MIME type!</font></p>';
111: }
112: return $result;
113: }
114:
1.1 www 115: sub phaseone {
116: my ($r,$fn,$uname,$udom)=@_;
117:
1.8 albertel 118: $fn=~m:(.*)/([^/]+)\.(\w+)$:;
1.3 www 119: my $dir=$1;
120: my $main=$2;
121: my $suffix=$3;
1.1 www 122:
1.3 www 123: my $conspace='/home/'.$uname.'/public_html'.$fn;
1.1 www 124:
1.3 www 125: $r->print('<form action=/adm/cfile method=post>'.
1.1 www 126: '<input type=hidden name=filename value="/~'.$uname.$fn.'">'.
127: '<input type=hidden name=phase value=two>'.
1.3 www 128: '<input type=hidden name=action value='.$ENV{'form.action'}.'>');
1.8 albertel 129:
1.3 www 130: if ($ENV{'form.action'} eq 'rename') {
131: if (-e $conspace) {
132: if ($ENV{'form.newfilename'}) {
1.8 albertel 133: $r->print(&checksuffix($fn,$ENV{'form.newfilename'}));
134: $r->print(&exists($uname,$udom,$dir,$ENV{'form.newfilename'}));
1.4 www 135: $r->print('<input type=hidden name=newfilename value="'.
136: $ENV{'form.newfilename'}.
137: '"><p>Rename <tt>'.$fn.'</tt> to <tt>'.
1.8 albertel 138: $dir.'/'.$ENV{'form.newfilename'}.'</tt>?</p>');
1.3 www 139: } else {
1.8 albertel 140: $r->print('<p>No new filename specified.</p></form>');
1.3 www 141: return;
142: }
143: } else {
1.8 albertel 144: $r->print('<p>No such file.</p></form>');
1.3 www 145: return;
146: }
147: } elsif ($ENV{'form.action'} eq 'delete') {
148: if (-e $conspace) {
1.8 albertel 149: $r->print('<p>Delete <tt>'.$fn.'</tt>?</p>');
1.3 www 150: } else {
1.8 albertel 151: $r->print('<p>No such file.</p></form>');
1.3 www 152: return;
1.1 www 153: }
1.3 www 154: } elsif ($ENV{'form.action'} eq 'copy') {
155: if (-e $conspace) {
156: if ($ENV{'form.newfilename'}) {
1.8 albertel 157: $r->print(&checksuffix($fn,$ENV{'form.newfilename'}));
158: $r->print(&exists($uname,$udom,$dir,$ENV{'form.newfilename'}));
1.4 www 159: $r->print('<input type=hidden name=newfilename value="'.
160: $ENV{'form.newfilename'}.
161: '"><p>Copy <tt>'.$fn.'</tt> to <tt>'.
1.8 albertel 162: $dir.'/'.$ENV{'form.newfilename'}.'</tt>?</p>');
1.3 www 163: } else {
1.8 albertel 164: $r->print('<p>No new filename specified.</p></form>');
1.3 www 165: return;
166: }
167: } else {
1.8 albertel 168: $r->print('<p>No such file.</p></form>');
1.3 www 169: return;
170: }
171: } elsif ($ENV{'form.action'} eq 'newdir') {
1.4 www 172: my $newdir='/home/'.$uname.'/public_html/'.
173: $fn.$ENV{'form.newfilename'};
174: if (-e $newdir) {
1.8 albertel 175: $r->print('<p>Directory exists.</p></form>');
1.3 www 176: return;
177: }
1.4 www 178: $r->print('<input type=hidden name=newfilename value="'.
179: $ENV{'form.newfilename'}.
180: '"><p>Make new directory <tt>'.
1.8 albertel 181: $fn.$ENV{'form.newfilename'}.'</tt>?</p>');
1.3 www 182:
1.1 www 183: }
1.8 albertel 184: $r->print('<p><input type=submit value=Continue></p></form>');
185: $r->print('<form action="/priv/'.$uname.$fn.
186: '" method="GET"><p><input type=submit value=Cancel></p></form>');
187:
1.1 www 188: }
189:
190: sub phasetwo {
191: my ($r,$fn,$uname,$udom)=@_;
1.5 www 192:
1.9 ! foxr 193: &Debug($r, "loncfile - Entering phase 2 for $fn");
! 194:
1.5 www 195: $fn=~/(.*)\/([^\/]+)\.(\w+)$/;
196: my $dir=$1;
197: my $main=$2;
198: my $suffix=$3;
1.9 ! foxr 199:
! 200:
! 201: &Debug($r, "loncfile::phase2 dir = $dir main = $main suffix = $suffix");
! 202:
! 203: my $conspace=$fn;
! 204:
! 205: &Debug($r, "loncfile::phase2 Full construction space name: $conspace");
1.5 www 206:
1.9 ! foxr 207: &Debug($r, "loncfie::phase2 action is $ENV{'form.action'}");
1.5 www 208:
209: if ($ENV{'form.action'} eq 'rename') {
210: if (-e $conspace) {
211: if ($ENV{'form.newfilename'}) {
212: unless (rename('/home/'.$uname.'/public_html'.$fn,
213: '/home/'.$uname.'/public_html'.$dir.'/'.$ENV{'form.newfilename'})) {
214: $r->print('<font color=red>Error: '.$!.'</font>');
215: }
216: }
217: } else {
218: $r->print('<p>No such file.</form>');
219: return;
220: }
221: } elsif ($ENV{'form.action'} eq 'delete') {
222: if (-e $conspace) {
223: unless (unlink('/home/'.$uname.'/public_html'.$fn)) {
224: $r->print('<font color=red>Error: '.$!.'</font>');
225: }
226: } else {
227: $r->print('<p>No such file.</form>');
228: return;
229: }
230: } elsif ($ENV{'form.action'} eq 'copy') {
231: if (-e $conspace) {
232: if ($ENV{'form.newfilename'}) {
233: unless (copy('/home/'.$uname.'/public_html'.$fn,
234: '/home/'.$uname.'/public_html'.$dir.'/'.$ENV{'form.newfilename'})) {
235: $r->print('<font color=red>Error: '.$!.'</font>');
236: }
237: } else {
238: $r->print('<p>No new filename specified.</form>');
239: return;
240: }
241: } else {
242: $r->print('<p>No such file.</form>');
243: return;
244: }
245: } elsif ($ENV{'form.action'} eq 'newdir') {
1.9 ! foxr 246: my $newdir= $fn.$ENV{'form.newfilename'};
! 247:
! 248: &Debug($r, "loncfile::phasetwo - new directory name: $newdir");
! 249:
1.5 www 250: unless (mkdir($newdir,0770)) {
251: $r->print('<font color=red>Error: '.$!.'</font>');
1.9 ! foxr 252: &Debug($r, "loncfile::phasetwo - mkdir failed $!");
1.5 www 253: }
1.9 ! foxr 254: &Debug($r, "Done button: uname = $uname, dir = $dir, fn = $fn");
! 255: my $url = '/priv/'.$uname.$newdir.'/';
! 256: &Debug($r, "URL[1] = ".$url);
! 257: $url =~ s/\/home\/$uname\/public_html//o;
! 258: &Debug($r, "URL = ".$url);
! 259:
! 260: $r->print('<h3><a href="'.$url.'">Done</a></h3>');
1.6 www 261: return;
1.5 www 262: }
263: $r->print('<h3><a href="/priv/'.$uname.$dir.'/">Done</a></h3>');
1.1 www 264: }
265:
266: sub handler {
267:
268: my $r=shift;
269:
1.9 ! foxr 270:
! 271: &Debug($r, "loncfile.pm - handler entered");
! 272:
1.1 www 273: my $fn;
274:
275: if ($ENV{'form.filename'}) {
276: $fn=$ENV{'form.filename'};
1.9 ! foxr 277: &Debug($r, "loncfile::handler - raw url: $fn");
! 278: $fn=~s/^http\:\/\/[^\/]+\/\~(\w+)/\/home\/$1\/public_html/;
1.1 www 279: $fn=~s/^http\:\/\/[^\/]+//;
1.9 ! foxr 280: &Debug($r, "loncfile::handler - doctored url: $fn");
! 281:
1.1 www 282: } else {
1.9 ! foxr 283: &Debug($r, "loncfile::handler - no form.filename");
1.1 www 284: $r->log_reason($ENV{'user.name'}.' at '.$ENV{'user.domain'}.
285: ' unspecified filename for cfile', $r->filename);
286: return HTTP_NOT_FOUND;
287: }
288:
289: unless ($fn) {
1.9 ! foxr 290: &Debug($r, "loncfile::handler - doctored url is empty");
1.1 www 291: $r->log_reason($ENV{'user.name'}.' at '.$ENV{'user.domain'}.
292: ' trying to cfile non-existing file', $r->filename);
293: return HTTP_NOT_FOUND;
294: }
295:
296: # ----------------------------------------------------------- Start page output
297: my $uname;
298: my $udom;
299:
300: ($uname,$udom)=
301: &Apache::loncacc::constructaccess($fn,$r->dir_config('lonDefDomain'));
1.9 ! foxr 302: &Debug($r,
! 303: "loncfile::handler constructaccess uname = $uname domain = $udom");
1.1 www 304: unless (($uname) && ($udom)) {
305: $r->log_reason($uname.' at '.$udom.
1.4 www 306: ' trying to manipulate file '.$ENV{'form.filename'}.
1.1 www 307: ' ('.$fn.') - not authorized',
308: $r->filename);
309: return HTTP_NOT_ACCEPTABLE;
310: }
311:
312: $fn=~s/\/\~(\w+)//;
1.9 ! foxr 313: &Debug($r, "loncfile::handler ~ removed filename: $fn");
1.1 www 314:
315: $r->content_type('text/html');
316: $r->send_http_header;
317:
318: $r->print('<html><head><title>LON-CAPA Construction Space</title></head>');
319:
320: $r->print(
321: '<body bgcolor="#FFFFFF"><img align=right src=/adm/lonIcons/lonlogos.gif>');
322:
323:
324: $r->print('<h1>Construction Space <tt>'.$fn.'</tt></h1>');
325:
326: if (($uname ne $ENV{'user.name'}) || ($udom ne $ENV{'user.domain'})) {
327: $r->print('<h3><font color=red>Co-Author: '.$uname.' at '.$udom.
328: '</font></h3>');
329: }
330:
1.9 ! foxr 331:
! 332: &Debug($r, "loncfile::handler Form action is $ENV{'form.action'} ");
1.2 www 333: if ($ENV{'form.action'} eq 'delete') {
1.9 ! foxr 334:
1.2 www 335: $r->print('<h3>Delete</h3>');
336: } elsif ($ENV{'form.action'} eq 'rename') {
337: $r->print('<h3>Rename</h3>');
338: } elsif ($ENV{'form.action'} eq 'newdir') {
339: $r->print('<h3>New Directory</h3>');
340: } elsif ($ENV{'form.action'} eq 'copy') {
341: $r->print('<h3>Copy</h3>');
342: } else {
343: $r->print('<p>Unknown Action</body></html>');
344: return OK;
345: }
1.1 www 346: if ($ENV{'form.phase'} eq 'two') {
1.9 ! foxr 347: &Debug($r, "loncfile::handler entering phase2");
1.4 www 348: &phasetwo($r,$fn,$uname,$udom);
1.1 www 349: } else {
1.9 ! foxr 350: &Debug($r, "loncfile::handler entering phase1");
1.3 www 351: &phaseone($r,$fn,$uname,$udom);
1.1 www 352: }
353:
354: $r->print('</body></html>');
355: return OK;
356: }
357:
358: 1;
359: __END__
1.9 ! foxr 360:
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