1: # The LearningOnline Network with CAPA
2: # Construction Space Directory Lister
3: #
4: # $Id: lonpubdir.pm,v 1.98 2006/12/06 22:22:39 albertel Exp $
5: #
6: # Copyright Michigan State University Board of Trustees
7: #
8: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
9: #
10: # LON-CAPA is free software; you can redistribute it and/or modify
11: # it under the terms of the GNU General Public License as published by
12: # the Free Software Foundation; either version 2 of the License, or
13: # (at your option) any later version.
14: #
15: # LON-CAPA is distributed in the hope that it will be useful,
16: # but WITHOUT ANY WARRANTY; without even the implied warranty of
17: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18: # GNU General Public License for more details.
19: #
20: # You should have received a copy of the GNU General Public License
21: # along with LON-CAPA; if not, write to the Free Software
22: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
23: #
24: # /home/httpd/html/adm/gpl.txt
25: #
26: # http://www.lon-capa.org/
27: #
28: ###
29:
30: package Apache::lonpubdir;
31:
32: use strict;
33: use Apache::File;
34: use File::Copy;
35: use Apache::Constants qw(:common :http :methods);
36: use Apache::loncacc;
37: use Apache::loncommon();
38: use Apache::lonhtmlcommon();
39: use Apache::londiff();
40: use Apache::lonlocal;
41: use Apache::lonmsg;
42: use Apache::lonmenu;
43: use Apache::lonnet;
44: use LONCAPA;
45:
46: sub handler {
47:
48: my $r=shift;
49:
50: my $fn;
51:
52:
53:
54: $fn = getEffectiveUrl($r);
55:
56: # Validate access to the construction space and get username@domain.
57:
58: my $uname;
59: my $udom;
60:
61: ($uname,$udom)=
62: &Apache::loncacc::constructaccess(
63: $fn,$r->dir_config('lonDefDomain'));
64: unless (($uname) && ($udom)) {
65: $r->log_reason($uname.' at '.$udom.
66: ' trying to list directory '.$env{'form.filename'}.
67: ' ('.$fn.') - not authorized',
68: $r->filename);
69: return HTTP_NOT_ACCEPTABLE;
70: }
71:
72: # Remove trailing / from directory name.
73:
74: $fn=~s/\/$//;
75:
76: unless ($fn) {
77: $r->log_reason($env{'user.name'}.' at '.$env{'user.domain'}.
78: ' trying to list empty directory', $r->filename);
79: return HTTP_NOT_FOUND;
80: }
81:
82: # ----------------------------------------------------------- Start page output
83:
84: my $thisdisfn=$fn;
85: $thisdisfn=~s/^\/home\/$uname\/public_html//; # subdirectory part of
86: # construction space.
87: my $docroot=$r->dir_config('lonDocRoot'); # Apache londocument root.
88:
89: my $resdir=$docroot.'/res/'.$udom.'/'.$uname.$thisdisfn; # Resource directory
90: my $targetdir=$udom.'/'.$uname.$thisdisfn; # Publiction target directory.
91: my $linkdir='/priv/'.$uname.$thisdisfn; # Full URL name of constr space.
92:
93: my %bombs=&Apache::lonmsg::all_url_author_res_msg($uname,$udom);
94:
95: &startpage($r, $uname, $udom, $thisdisfn); # Put out the start of page.
96: if ($env{'environment.remote'} eq 'off') {
97: &dircontrols($r,$uname,$udom,$thisdisfn); # Put out actions for directory,
98: # browse/upload + new file page.
99: } else {
100: &pubbuttons($r,$uname,$thisdisfn);
101: }
102: &resourceactions($r,$uname,$udom,$thisdisfn); #Put out form used for printing/deletion etc.
103:
104: my $numdir = 0;
105: my $numres = 0;
106:
107: # Start off the directory table.
108: $r->print('<h3>Directory Contents:</h3>');
109: $r->print('<table id="LC_browser"><tr>'.
110: '<th>'.&mt('Type').'</th>'.
111: '<th>'.&mt('Actions').'</th>'.
112: '<th>'.&mt('Name').'</th>'.
113: '<th>'.&mt('Title').'</th>'.
114: '<th>'.&mt('Status').'</th>'.
115: '<th>'.&mt('Last Modified').
116: '</th></tr>'."\n");
117:
118: my $filename;
119: my $dirptr=16384; # Mask indicating a directory in stat.cmode.
120:
121: opendir(DIR,$fn);
122: my @files=sort {uc($a) cmp uc($b)} (readdir(DIR));
123: foreach my $filename (@files) {
124: my ($cdev,$cino,$cmode,$cnlink,
125: $cuid,$cgid,$crdev,$csize,
126: $catime,$cmtime,$cctime,
127: $cblksize,$cblocks)=stat($fn.'/'.$filename);
128:
129: my $extension='';
130: if ($filename=~/\.(\w+)$/) { $extension=$1; }
131: if ($cmode&$dirptr) {
132: putdirectory($r, $thisdisfn, $linkdir, $filename, $cmtime,$targetdir,\%bombs,\$numdir);
133: } elsif (&Apache::loncommon::fileembstyle($extension) ne 'hdn') {
134: putresource($r, $udom, $uname, $filename, $thisdisfn, $resdir,
135: $targetdir, $linkdir, $cmtime,\%bombs,\$numres);
136: } else {
137: # "hidden" extension and not a directory, so hide it away.
138: }
139: }
140: closedir(DIR);
141:
142: $r->print('</table>'.&Apache::loncommon::end_page());
143: return OK;
144: }
145: #
146: # Gets the effective URL of the request and returns it:
147: # $effn = getEffectiveUrl($r);
148: # $r - The Apache Request object.
149: sub getEffectiveUrl {
150: my $r = shift;
151: my $fn;
152:
153: if ($env{'form.filename'}) { # If a form filename is defined.
154: $fn=$env{'form.filename'};
155: #
156: # Replace the ~username of the URL with /home/username/public_html
157: # so that we don't have to worry about ~ expansion internally.
158: #
159: $fn=~s/^http\:\/\/[^\/]+\///;
160: $fn=~s/^\///;
161: $fn=~s{~($LONCAPA::username_re)}{/home/$1/public_html};
162:
163: # Remove trailing / strings (?)
164:
165: $fn=~s/\/[^\/]+$//;
166: } else {
167: # If no form is defined, use request filename.
168: $fn = $r->filename();
169: my $lonDocRoot=$r->dir_config('lonDocRoot');
170: if ( $fn =~ /$lonDocRoot/ ) {
171: #internal authentication, needs fixup.
172: $fn = $r->uri(); # non users do not get the full path request
173: # through SCRIPT_FILENAME
174: $fn=~s{^/~($LONCAPA::username_re)}{/home/$1/public_html};
175: }
176: }
177: $fn=~s/\/+/\//g;
178: return $fn;
179: }
180: #
181: # Output the header of the page. This includes:
182: # - The HTML header
183: # - The H1/H3 stuff which includes the directory.
184: #
185: # startpage($r, $uame, $udom, $thisdisfn);
186: # $r - The apache request object.
187: # $uname - User name.
188: # $udom - Domain name the user is logged in under.
189: # $thisdisfn - Displayable version of the filename.
190:
191: sub startpage {
192: my ($r, $uname, $udom, $thisdisfn) = @_;
193: my $currdir = '/priv/'.$uname.$thisdisfn;
194: &Apache::loncommon::content_type($r,'text/html');
195: $r->send_http_header;
196:
197: my $formaction='/priv/'.$uname.$thisdisfn.'/';
198: $formaction=~s|/+|/|g;
199: my $pagetitle .= &Apache::loncommon::help_open_menu('','',3,'Authoring').
200: '<font face="Arial, Helvetica, sans-serif" size="+1"><b>Construction Space</b>:</font> '.
201: '<form name="dirs" method="post" action="'.$formaction.
202: '" target="_parent"><tt><b>'.
203: &Apache::lonhtmlcommon::crumbs($uname.$thisdisfn.'/','_top','/priv','','+1',1)."</b></tt><br />".
204: &Apache::lonhtmlcommon::select_recent('construct','recent',
205: 'this.form.action=this.form.recent.value;this.form.submit()').
206: '</form>';
207: &Apache::lonhtmlcommon::store_recent('construct',$formaction,$formaction);
208: if ($env{'environment.remote'} eq 'off') {
209: $env{'request.noversionuri'}=$currdir.'/';
210: $r->print(&Apache::loncommon::start_page('Construction Space',undef,
211: {'body_title' =>
212: $pagetitle,}));
213: } else {
214: $r->print(&Apache::loncommon::start_page('Construction Space',undef));
215: $r->print($pagetitle);
216: }
217:
218: my $pubdirscript=(<<ENDPUBDIRSCRIPT);
219: <script type="text/javascript">
220: top.document.title = '$thisdisfn/ - LON-CAPA Construction Space';
221: // Store directory location for menu bar to find
222:
223: parent.lastknownpriv='/~$uname$thisdisfn/';
224:
225: // Confirmation dialogues
226:
227: function currdiract(theform) {
228: if (theform.dirtask.options[theform.dirtask.selectedIndex].value == 'publish') {
229: document.publishdir.filename.value = theform.filename.value;
230: document.publishdir.submit();
231: }
232: if (theform.dirtask.options[theform.dirtask.selectedIndex].value == 'editcat') {
233: top.location=theform.filename.value+'default.meta'
234: }
235: if (theform.dirtask.options[theform.dirtask.selectedIndex].value == 'printdir' ) {
236: document.printdir.postdata.value=theform.filename.value
237: document.printdir.submit();
238: }
239: if (theform.dirtask.options[theform.dirtask.selectedIndex].value == "delete") {
240: var delform = document.delresource
241: delform.filename.value = theform.filename.value
242: delform.submit()
243: }
244: }
245:
246: function checkUpload(theform) {
247: if (theform.file == '') {
248: alert("Please use 'Browse..' to choose a file first, before uploading")
249: return
250: }
251: theform.submit()
252: }
253:
254: function SetPubDir(theform,printForm) {
255: if (theform.diraction.options[theform.diraction.selectedIndex].value == "open") {
256: top.location = theform.openname.value
257: return
258: }
259: if (theform.diraction.options[theform.diraction.selectedIndex].value == "publish") {
260: theform.submit();
261: }
262: if (theform.diraction.options[theform.diraction.selectedIndex].value == "editcat") {
263: top.location=theform.filename.value+'default.meta'
264: }
265: if (theform.diraction.options[theform.diraction.selectedIndex].value == "printdir") {
266: theform.action = '/adm/printout'
267: theform.postdata.value = theform.filename.value
268: theform.submit()
269: }
270: if (theform.diraction.options[theform.diraction.selectedIndex].value == "delete") {
271: var delform = document.delresource
272: delform.filename.value = theform.filename.value
273: delform.submit()
274: }
275: return
276: }
277: function SetResChoice(theform) {
278: var activity = theform.reschoice.options[theform.reschoice.selectedIndex].value
279: if ((activity == 'rename') || (activity == 'copy') || (activity == 'move')) {
280: changename(theform,activity)
281: }
282: if (activity == 'publish') {
283: var pubform = document.pubresource
284: pubform.filename.value = theform.filename.value
285: pubform.submit()
286: }
287: if (activity == 'delete') {
288: var delform = document.delresource
289: delform.filename.value = theform.filename.value
290: delform.submit()
291: }
292: if (activity == 'obsolete') {
293: var pubform = document.pubresource
294: pubform.filename.value = theform.filename.value
295: pubform.makeobsolete.value=1;
296: pubform.submit()
297: }
298: if (activity == 'print') {
299: document.printresource.postdata.value = theform.filename.value
300: document.printresource.submit()
301: }
302: if (activity == 'retrieve') {
303: document.retrieveres.filename.value = theform.filename.value
304: document.retrieveres.submit()
305: }
306: if (activity == 'cleanup') {
307: document.cleanup.filename.value = theform.filename.value
308: document.cleanup.submit()
309: }
310: return
311: }
312: function changename(theform,activity) {
313: var oldname=theform.dispfilename.value;
314: var newname=prompt('New Name',oldname);
315: if (newname == "" || !newname || newname == oldname) {
316: return
317: }
318: document.moveresource.newfilename.value = newname
319: document.moveresource.filename.value = theform.filename.value
320: document.moveresource.action.value = activity
321: document.moveresource.submit();
322: }
323: </script>
324: ENDPUBDIRSCRIPT
325: $r->print($pubdirscript);
326:
327: if ((($uname ne $env{'user.name'}) || ($udom ne $env{'user.domain'})) &&
328: $env{'environment.remote'} ne 'off') {
329: $r->print('<h3>'.&mt('Co-Author').': '.$uname.' at '.$udom.
330: '</h3>');
331: }
332: }
333:
334: sub dircontrols {
335: my ($r,$uname,$udom,$thisdisfn) = @_;
336: my %lt=&Apache::lonlocal::texthash(
337: cnpd => 'Cannot publish directory',
338: cnrd => 'Cannot retrieve directory',
339: mcdi => 'Must create new subdirectory inside a directory',
340: pubr => 'Publish this Resource',
341: pubd => 'Publish this Directory',
342: dedr => 'Delete Directory',
343: rtrv => 'Retrieve Old Version',
344: list => 'List Directory',
345: uplo => 'Upload file',
346: dele => 'Delete',
347: edit => 'Edit Catalog Information',
348: sela => 'Select Action',
349: nfil => 'New file',
350: nhtm => 'New HTML file',
351: nprb => 'New problem',
352: npag => 'New assembled page',
353: nseq => 'New assembled sequence',
354: ncrf => 'New custom rights file',
355: nsty => 'New style file',
356: nlib => 'New library file',
357: nsub => 'New subdirectory',
358: renm => 'Rename current file to',
359: move => 'Move current file to',
360: copy => 'Copy current file to',
361: type => 'Type Name Here',
362: go => 'Go',
363: prnt => 'Print contents of directory',
364: crea => 'Create a new directory or LON-CAPA document',
365: acti => 'Actions for current directory',
366: updc => 'Upload a new document'
367: );
368: $r->print(<<END);
369: <table id="LC_cstr_controls">
370: <tr>
371: <th>$lt{'acti'}</th>
372: <th>$lt{'updc'}</th>
373: <th>$lt{'crea'}</th>
374: </tr>
375: <tr>
376: <td>
377: <form name="curractions" method="post" action="">
378: <select name="dirtask" onchange="currdiract(this.form)">
379: <option>$lt{'sela'}</option>
380: <option value="publish">$lt{'pubd'}</option>
381: <option value="editcat">$lt{'edit'}</option>
382: <option value="printdir">$lt{'prnt'}</option>
383: <option value="delete">$lt{'dedr'}</option>
384: </select>
385: <input type="hidden" name="filename" value="/~$uname$thisdisfn/" />
386: </form>
387: <form name="publishdir" method="post" action="/adm/publish" target="_parent">
388: <input type="hidden" name="pubrec" value="" />
389: <input type="hidden" name="filename" value="" />
390: </form>
391: <form name="printdir" method="post" action="/adm/printout" target="_parent">
392: <input type="hidden" name="postdata" value="" />
393: </form>
394: </td>
395: <td>
396: <form name="upublisher" enctype="multipart/form-data" method="post" action="/adm/upload" target="_parent">
397: <input type="hidden" name="filename" value="/~$uname$thisdisfn/" />
398: <input type="file" name="upfile" size="20" />
399: <input type="button" value="$lt{'uplo'}" onclick="checkUpload(this.form)" />
400: </form>
401: </td>
402: <td>
403: <form name="fileaction" method="post" action="/adm/cfile" target="_parent">
404: <span style="white-space: nowrap">
405: <input type="hidden" name="filename" value="/~$uname$thisdisfn/" />
406: <select name="action">
407: <option value="Select Action">$lt{'sela'}</option>
408: <option value="newfile">$lt{'nfil'}:</option>
409: <option value="newhtmlfile">$lt{'nhtm'}:</option>
410: <option value="newproblemfile">$lt{'nprb'}:</option>
411: <option value="newpagefile">$lt{'npag'}:</option>
412: <option value="newsequencefile">$lt{'nseq'}:</option>
413: <option value="newrightsfile">$lt{'ncrf'}:</option>
414: <option value="newstyfile">$lt{'nsty'}:</option>
415: <option value="newlibraryfile">$lt{'nlib'}:</option>
416: <option value="newdir">$lt{'nsub'}:</option>
417: </select> <input type="text" name="newfilename" value="Type Name Here" onfocus="if (this.value == 'Type Name Here') this.value=''" /> <input type="button" value="Go" onclick="document.fileaction.submit()" />
418: </span>
419: </form>
420: </td>
421: </tr>
422: </table>
423: END
424: }
425:
426: sub pubbuttons {
427: my ($r,$uname,$thisdisfn) = @_;
428: $r->print('<form method="post" action="/adm/publish" target="_parent">'.
429: '<table><tr><td><input type="hidden" name="filename" value="/~'.
430: $uname.$thisdisfn.'/" />'.
431: '<input type="submit" value="'.&mt('Publish Directory').'" /></td><td>'.
432: '<input type="button" onclick="window.location='."'/~".
433: $uname.$thisdisfn."/default.meta'".'" value="'.
434: &mt('Edit Directory Catalog Information').'" /></td></tr></table></form>');
435: }
436:
437: sub resourceactions {
438: my ($r,$uname,$udom,$thisdisfn) = @_;
439: $r->print(<<END);
440: <form name="moveresource" action="/adm/cfile" target="_parent" method="post">
441: <input type="hidden" name="filename" value="" />
442: <input type="hidden" name="newfilename" value="" />
443: <input type="hidden" name="action" value="" />
444: </form>
445: <form name="delresource" action="/adm/cfile" target="_parent" method="post">
446: <input type="hidden" name="filename" value="" />
447: <input type="hidden" name="action" value="delete" />
448: </form>
449: <form name="pubresource" action="/adm/publish" target="_parent" method="post">
450: <input type="hidden" name="filename" value="" />
451: <input type="hidden" name="makeobsolete" value="0" />
452: </form>
453: <form name="printresource" action="/adm/printout" target="_parent" method="post">
454: <input type="hidden" name="postdata" value="" />
455: </form>
456: <form name="retrieveres" action="/adm/retrieve" target="_parent" method="post">
457: <input type="hidden" name="filename" value="" />
458: </form>
459: <form name="cleanup" action="/adm/cleanup" target="_parent" method="post">
460: <input type="hidden" name="filename" value="" />
461: </form>
462: END
463: }
464:
465: #
466: # Get the title string or "[untitled]" if the file has no title metadata:
467: # Without the latter substitution, it's impossible to examine metadata for
468: # untitled resources. Resources may be legitimately untitled, to prevent
469: # searches from locating them.
470: #
471: # $str = getTitleString($fullname);
472: # $fullname - Fully qualified filename to check.
473: #
474: sub getTitleString {
475: my $fullname = shift;
476: my $title = &Apache::lonnet::metadata($fullname, 'title');
477:
478: unless ($title) {
479: $title = "[".&mt('untitled')."]";
480: }
481: return $title;
482: }
483:
484: sub getCopyRightString {
485: my $fullname = shift;
486: return &Apache::lonnet::metadata($fullname, 'copyright');
487: }
488:
489: sub getSourceRightString {
490: my $fullname = shift;
491: return &Apache::lonnet::metadata($fullname, 'sourceavail');
492: }
493: #
494: # Put out a directory table row:
495: # putdirectory(r, base, here, dirname, modtime)
496: # r - Apache request object.
497: # reqfile - File in request.
498: # here - Where we are in directory tree.
499: # dirname - Name of directory special file.
500: # modtime - Encoded modification time.
501: #
502: sub putdirectory {
503: my ($r, $reqfile, $here, $dirname, $modtime, $resdir, $bombs, $numdir) = @_;
504: # construct the display filename: the directory name unless ..:
505:
506: my $disfilename = $dirname;
507: if ($dirname eq '..') {
508: $disfilename = '<i>'.&mt('Parent Directory').'</i>';
509: }
510: unless ( (($dirname eq '..') && ($reqfile eq '')) || ($dirname eq '.')) {
511: my $kaputt=0;
512: foreach (keys %{$bombs}) {
513: if ($_=~m:^\Q$resdir\E/\Q$disfilename\E/:) { $kaputt=1; last; }
514: }
515: %Apache::lonpublisher::metadatafields=();
516: %Apache::lonpublisher::metadatakeys=();
517: my $construct=$here;
518: $construct=~s{^/priv/($LONCAPA::username_re)$}{/home/$1/public_html};
519: my $dirpath = $here;
520: $dirpath=~s{^/priv/}{/~};
521: &Apache::lonpublisher::metaeval(&Apache::lonnet::getfile(
522: $construct.'/'.$dirname.'/default.meta'
523: ));
524: my $actionitem = '';
525: if ($dirname eq '..') {
526: $actionitem = 'Go to ...';
527: } else {
528: $actionitem =
529: '<form name="dirselect_'.$$numdir.
530: '" action="/adm/publish" target="_parent">'.
531: '<select name="diraction" onchange="SetPubDir(this.form,document)">'.
532: '<option selected="selected">'.&mt('Select action').'</option>'.
533: '<option value="open">'.&mt('Open').'</option>'.
534: '<option value="publish">'.&mt('Publish').'</option>'.
535: '<option value="editcat">'.&mt('Edit catalog information').'</option>'.
536: '<option value="printdir">'.&mt('Print directory').'</option>'.
537: '<option value="delete">'.&mt('Delete directory').'</option>'.
538: '</select>'.
539: '<input type="hidden" name="filename" value="'.&HTML::Entities::encode($dirpath.'/'.$dirname,'<>&"').'/" />'.
540: '<input type="hidden" name="openname" value="'.$here.'/'.$dirname.'/" />'.
541: '<input type="hidden" name="postdata" value="" />'.
542: '</form>';
543: $$numdir ++;
544: }
545: $r->print('<tr class="LC_browser_folder">'.
546: '<td><img src="'.
547: $Apache::lonnet::perlvar{'lonIconsURL'}.'/folder_closed.gif" alt="folder" /></td>'.
548: '<td>'.$actionitem.'</td>'.
549: '<td><span class="LC_filename"><a href="'.&HTML::Entities::encode($here.'/'.$dirname,'<>&"').'/" target="_parent">'.
550: $disfilename.'</a></span></td>'.
551: '<td colspan="2">'.($kaputt?&Apache::lonhtmlcommon::authorbombs($resdir.'/'.$disfilename.'/'):'').$Apache::lonpublisher::metadatafields{'title'});
552: if ($Apache::lonpublisher::metadatafields{'subject'} ne '') {
553: $r->print(' <i>'.
554: $Apache::lonpublisher::metadatafields{'subject'}.
555: '</i> ');
556: }
557: $r->print($Apache::lonpublisher::metadatafields{'keywords'}.'</td>'.
558: '<td>'.&Apache::lonlocal::locallocaltime($modtime).'</td>'.
559: "</tr>\n");
560: }
561: return OK;
562: }
563: #
564: # Put a table row for a file resource.
565: #
566: sub putresource {
567: my ($r, $udom, $uname, $filename, $thisdisfn,
568: $resdir, $targetdir, $linkdir,
569: $cmtime,$bombs,$numres) = @_;
570: &Apache::lonnet::devalidate_cache_new('meta',$targetdir.'/'.$filename);
571: my $pubstatus = 'unpublished';
572: my $status=&mt('Unpublished');
573: my $css_class='LC_browser_file';
574: my $title=' ';
575: my $publish_button=&mt('Publish');
576: my $cstr_dir = '/home/'.$uname.'/public_html/'.$thisdisfn.'/';
577: # my $action_buttons=
578: # '<br /><a target="_parent" href="/adm/cfile?action=delete&filename=/~'.
579: # $uname.'/'.$thisdisfn.'/'.$filename.'">'.
580: # &mt('Delete').'</a>';
581: if (-e $resdir.'/'.$filename) {
582: my $same=0;
583: my ($rdev,$rino,$rmode,$rnlink,
584: $ruid,$rgid,$rrdev,$rsize,
585: $ratime,$rmtime,$rctime,
586: $rblksize,$rblocks)=stat($resdir.'/'.$filename);
587: if ($rmtime>=$cmtime) {
588: $same=1;
589: } else {
590: if (&Apache::londiff::are_different_files($resdir.'/'.$filename,
591: $cstr_dir.'/'.$filename)) {
592: $same=0;
593: } else {
594: $same=1;
595: }
596: }
597: my $meta_cmtime = (stat($cstr_dir.'/'.$filename.'.meta'))[9];
598: my $meta_rmtime = (stat($resdir.'/'.$filename.'.meta'))[9];
599: my $meta_same = 1;
600: if ($meta_rmtime < $meta_cmtime
601: && &Apache::londiff::are_different_files($resdir.'/'.$filename.'.meta',
602: $cstr_dir.'/'.$filename.'.meta')) {
603: $meta_same = 0;
604: }
605: $publish_button=&mt('Re-publish');
606: my $rights_status =
607: &mt(&getCopyRightString($targetdir.'/'.$filename)).' '.
608: &mt(&getSourceRightString($targetdir.'/'.$filename));
609: $title = '<a href="/res/'.$targetdir.'/'.$filename.
610: '.meta" target="cat">'.
611: &getTitleString($targetdir.'/'.$filename).'</a>';
612: &Apache::lonnet::logthis("same $same meta $meta_same");
613: if ($same) {
614: if (&Apache::lonnet::metadata($targetdir.'/'.$filename,'obsolete')) {
615: $pubstatus = 'obsolete';
616: $status=&mt('Obsolete');
617: } else {
618: if (!$meta_same) {
619: $pubstatus = 'metamodified';
620: } else {
621: $pubstatus = 'published';
622: }
623: $status=&mt('Published').
624: '<br />'. $rights_status;
625: }
626: # } else {
627: # $action_buttons='';
628: # }
629: } else {
630: $pubstatus = 'modified';
631: $status=&mt('Modified').
632: '<br />'. $rights_status;
633: # $action_buttons='';
634: if (&Apache::loncommon::fileembstyle(($filename=~/\.(\w+)$/)) eq 'ssi') {
635: $status.='<br /><a href="/adm/diff?filename=/~'.$uname.
636: $thisdisfn.'/'.$filename.
637: '&versiontwo=priv" target="cat">'.&mt('Diffs').'</a>';
638: }
639: }
640:
641: $title.="\n".'<br /><a href="/~'.$uname.$thisdisfn.'/'.$filename.'.meta">'.
642: ($$bombs{$targetdir.'/'.$filename}?'<img src="/adm/lonMisc/bomb.gif" border="0" alt="bomb" />':'Edit Metadata').'</a>';
643:
644: if (!$meta_same) {
645: $title = &mt('Metadata Modified').'<br />'.$title.
646: '<br /><a href="/adm/diff?filename=/~'.$uname.
647: $thisdisfn.'/'.$filename.'.meta'.
648: '&versiontwo=priv" target="cat">'.&mt('Metadata Diffs').'</a>';
649: $title.="\n".'<br /><a href="/adm/retrieve?filename=/~'.$uname.
650: $thisdisfn.'/'.$filename.'.meta" target="_parent">'.&mt('Retrieve Metadata').'</a>';
651: }
652: $status.="\n".'<br /><a href="/adm/retrieve?filename=/~'.$uname.
653: $thisdisfn.'/'.$filename.'" target="_parent">'.&mt('Retrieve').'</a>';
654: }
655: my $editlink='';
656: my $editlink2='';
657: if ($filename=~/\.(xml|html|htm|xhtml|xhtm|sty)$/) {
658: $editlink=' <br />(<a href="'.$linkdir.'/'.$filename.'?forceedit=1" target="_parent">'.&mt('Edit').'</a>)';
659: }
660: if ($filename=~/\.(problem|exam|quiz|assess|survey|form|library)$/) {
661: $editlink=' (<a href="'.$linkdir.'/'.$filename.'?forceedit=1" target="_parent">'.&mt('EditXML').'</a>)';
662: $editlink2=' <br />(<a href="'.$linkdir.'/'.$filename.'?forceColoredit=1" target="_parent">'.&mt('Edit').'</a>)';
663: }
664: if ($filename=~/\.(problem|exam|quiz|assess|survey|form|library|xml|html|htm|xhtml|xhtm|sty)$/) {
665: $editlink.=' (<a href="/adm/cleanup?filename=/~'.$uname.
666: $thisdisfn.'/'.$filename.'" target="_parent">'.&mt('Clean Up').')</a>';
667: }
668: if ($filename=~/\.(zip|tar|bz2|gz|tar.gz|tar.bz2|tgz)$/) {
669: $editlink=' (<a target="_parent" href="/adm/cfile?decompress=/~'.
670: $uname.$thisdisfn.'/'.$filename.'">'.&mt('Decompress').'</a>)';
671: }
672: my $pub_select = '';
673: &create_pubselect($r,\$pub_select,$udom,$uname,$thisdisfn,$filename,$resdir,$pubstatus,$publish_button,$numres);
674: $r->print('<tr class="LC_browser_file_'.$pubstatus.'">'.
675: '<td>'.($filename=~/[\#\~]$/?' ':
676: '<img src="'.&Apache::loncommon::icon($filename).'" alt="" />').'</td>'.
677: '<td>'.$pub_select.'</td>'.
678: '<td><span class="LC_filename"> '.
679: '<a href="'.$linkdir.'/'.$filename.'" target="_parent">'.
680: $filename.'</a></span>'.$editlink2.$editlink.
681: '</td>'.
682: '<td>'.$title.'</td>'.
683: '<td>'.$status.'</td>'.
684: '<td>'.&Apache::lonlocal::locallocaltime($cmtime).'</td>'.
685: "</tr>\n");
686: return OK;
687: }
688:
689: sub create_pubselect {
690: my ($r,$pub_select,$udom,$uname,$thisdisfn,$filename,$resdir,$pubstatus,$publish_button,$numres) = @_;
691: $$pub_select = '
692: <form name="resselect_'.$$numres.'" action="">
693: <select name="reschoice" onchange="SetResChoice(this.form)">
694: <option>'.&mt('Select action').'</option>'.
695: '<option value="copy">'.&mt('Copy').'</option>';
696: if ($pubstatus eq 'obsolete' || $pubstatus eq 'unpublished') {
697: $$pub_select .=
698: '<option value="rename">'.&mt('Rename').'</option>'.
699: '<option value="move">'.&mt('Move').'</option>'.
700: '<option value="delete">'.&mt('Delete').'</option>';
701: } else {
702: $$pub_select .= '
703: <option value="obsolete">'.&mt('Mark obsolete').'</option>';
704: }
705: # check for versions
706: my $versions = &check_for_versions($r,'/'.$filename,$udom,$uname);
707: if ($versions > 0) {
708: $$pub_select .='
709: <option value="retrieve">'.&mt('Retrieve old version').'</option>';
710: }
711: $$pub_select .= '
712: <option value="publish">'.$publish_button.'</option>'.
713: '<option value="cleanup">'.&mt('Clean up').'</option>'.
714: '<option value="print">'.&mt('Print').'</option>'.
715: '</select>
716: <input type="hidden" name="filename" value="/~'.
717: &HTML::Entities::encode($uname.$thisdisfn.'/'.$filename,'<>&"').'" />
718: <input type="hidden" name="dispfilename" value="'.
719: &HTML::Entities::encode($filename).'"</form>';
720: $$numres ++;
721: }
722:
723: sub check_for_versions {
724: my ($r,$fn,$udom,$uname) = @_;
725: my $versions = 0;
726: my $docroot=$r->dir_config('lonDocRoot');
727: my $resfn=$docroot.'/res/'.$udom.'/'.$uname.$fn;
728: my $resdir=$resfn;
729: $resdir=~s/\/[^\/]+$/\//;
730: $fn=~/\/([^\/]+)\.(\w+)$/;
731: my $main=$1;
732: my $suffix=$2;
733: opendir(DIR,$resdir);
734: while (my $filename=readdir(DIR)) {
735: if ($filename=~/^\Q$main\E\.(\d+)\.\Q$suffix\E$/) {
736: $versions ++;
737: }
738: }
739: return $versions;
740: }
741:
742: #
743: # Categorize files in the directory.
744: # For each file in a list of files in a file directory,
745: # the file categorized as one of:
746: # - directory
747: # - sequence
748: # - problem
749: # - Other resource.
750: #
751: # For each file the modification date is determined as well.
752: # Returned is a list of sublists:
753: # (directories, sequences, problems, other)
754: # each of the sublists contains entries of the following form (sorted by
755: # filename):
756: # (filename, typecode, lastmodtime)
757: #
758: # $list = CategorizeFiles($location, $files)
759: # $location - Directory in which the files live (relative to our
760: # execution.
761: # $files - list of files.
762: #
763: sub CategorizeFiles {
764: my $location = shift;
765: my $files = shift;
766: }
767:
768: 1;
769: __END__
770:
771: =head1 NAME
772:
773: Apache::lonpubdir - Construction space directory lister
774:
775: =head1 SYNOPSIS
776:
777: Invoked (for various locations) by /etc/httpd/conf/srm.conf:
778:
779: <LocationMatch "^/\~.*/$">
780: PerlAccessHandler Apache::loncacc
781: SetHandler perl-script
782: PerlHandler Apache::lonpubdir
783: ErrorDocument 403 /adm/login
784: ErrorDocument 404 /adm/notfound.html
785: ErrorDocument 406 /adm/unauthorized.html
786: ErrorDocument 500 /adm/errorhandler
787: </LocationMatch>
788:
789: <Location /adm/pubdir>
790: PerlAccessHandler Apache::lonacc
791: SetHandler perl-script
792: PerlHandler Apache::lonpubdir
793: ErrorDocument 403 /adm/login
794: ErrorDocument 404 /adm/notfound.html
795: ErrorDocument 406 /adm/unauthorized.html
796: ErrorDocument 500 /adm/errorhandler
797: </Location>
798:
799: =head1 INTRODUCTION
800:
801: This module publishes a directory of files.
802:
803: This is part of the LearningOnline Network with CAPA project
804: described at http://www.lon-capa.org.
805:
806: =head1 HANDLER SUBROUTINE
807:
808: This routine is called by Apache and mod_perl.
809:
810: =over 4
811:
812: =item *
813:
814: read in information
815:
816: =item *
817:
818: start page output
819:
820: =item *
821:
822: run through list of files and attempt to publish unhidden files
823:
824: =back
825:
826: =cut
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