1: # The LearningOnline Network with CAPA
2: # Construction Space Directory Lister
3: #
4: # $Id: lonpubdir.pm,v 1.103 2007/07/25 19:56:57 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: { 'only_body' => 1,}));
216: $r->print($pagetitle);
217: }
218:
219: my $esc_thisdisfn = &Apache::loncommon::escape_single($thisdisfn);
220: my $pubdirscript=(<<ENDPUBDIRSCRIPT);
221: <script type="text/javascript">
222: top.document.title = '$esc_thisdisfn/ - LON-CAPA Construction Space';
223: // Store directory location for menu bar to find
224:
225: parent.lastknownpriv='/~$uname$esc_thisdisfn/';
226:
227: // Confirmation dialogues
228:
229: function currdiract(theform) {
230: if (theform.dirtask.options[theform.dirtask.selectedIndex].value == 'publish') {
231: document.publishdir.filename.value = theform.filename.value;
232: document.publishdir.submit();
233: }
234: if (theform.dirtask.options[theform.dirtask.selectedIndex].value == 'editcat') {
235: top.location=theform.filename.value+'default.meta'
236: }
237: if (theform.dirtask.options[theform.dirtask.selectedIndex].value == 'printdir' ) {
238: document.printdir.postdata.value=theform.filename.value
239: document.printdir.submit();
240: }
241: if (theform.dirtask.options[theform.dirtask.selectedIndex].value == "delete") {
242: var delform = document.delresource
243: delform.filename.value = theform.filename.value
244: delform.submit()
245: }
246: }
247:
248: function checkUpload(theform) {
249: if (theform.file == '') {
250: alert("Please use 'Browse..' to choose a file first, before uploading")
251: return
252: }
253: theform.submit()
254: }
255:
256: function SetPubDir(theform,printForm) {
257: if (theform.diraction.options[theform.diraction.selectedIndex].value == "open") {
258: top.location = theform.openname.value
259: return
260: }
261: if (theform.diraction.options[theform.diraction.selectedIndex].value == "publish") {
262: theform.submit();
263: }
264: if (theform.diraction.options[theform.diraction.selectedIndex].value == "editcat") {
265: top.location=theform.filename.value+'default.meta'
266: }
267: if (theform.diraction.options[theform.diraction.selectedIndex].value == "printdir") {
268: theform.action = '/adm/printout'
269: theform.postdata.value = theform.filename.value
270: theform.submit()
271: }
272: if (theform.diraction.options[theform.diraction.selectedIndex].value == "delete") {
273: var delform = document.delresource
274: delform.filename.value = theform.filename.value
275: delform.submit()
276: }
277: return
278: }
279: function SetResChoice(theform) {
280: var activity = theform.reschoice.options[theform.reschoice.selectedIndex].value
281: if ((activity == 'rename') || (activity == 'copy') || (activity == 'move')) {
282: changename(theform,activity)
283: }
284: if (activity == 'publish') {
285: var pubform = document.pubresource
286: pubform.filename.value = theform.filename.value
287: pubform.submit()
288: }
289: if (activity == 'delete') {
290: var delform = document.delresource
291: delform.filename.value = theform.filename.value
292: delform.submit()
293: }
294: if (activity == 'obsolete') {
295: var pubform = document.pubresource
296: pubform.filename.value = theform.filename.value
297: pubform.makeobsolete.value=1;
298: pubform.submit()
299: }
300: if (activity == 'print') {
301: document.printresource.postdata.value = theform.filename.value
302: document.printresource.submit()
303: }
304: if (activity == 'retrieve') {
305: document.retrieveres.filename.value = theform.filename.value
306: document.retrieveres.submit()
307: }
308: if (activity == 'cleanup') {
309: document.cleanup.filename.value = theform.filename.value
310: document.cleanup.submit()
311: }
312: return
313: }
314: function changename(theform,activity) {
315: var oldname=theform.dispfilename.value;
316: var newname=prompt('New Name',oldname);
317: if (newname == "" || !newname || newname == oldname) {
318: return
319: }
320: document.moveresource.newfilename.value = newname
321: document.moveresource.filename.value = theform.filename.value
322: document.moveresource.action.value = activity
323: document.moveresource.submit();
324: }
325: </script>
326: ENDPUBDIRSCRIPT
327: $r->print($pubdirscript);
328:
329: if ((($uname ne $env{'user.name'}) || ($udom ne $env{'user.domain'})) &&
330: $env{'environment.remote'} ne 'off') {
331: $r->print('<h3>'.&mt('Co-Author').': '.$uname.' at '.$udom.
332: '</h3>');
333: }
334: }
335:
336: sub dircontrols {
337: my ($r,$uname,$udom,$thisdisfn) = @_;
338: my %lt=&Apache::lonlocal::texthash(
339: cnpd => 'Cannot publish directory',
340: cnrd => 'Cannot retrieve directory',
341: mcdi => 'Must create new subdirectory inside a directory',
342: pubr => 'Publish this Resource',
343: pubd => 'Publish this Directory',
344: dedr => 'Delete Directory',
345: rtrv => 'Retrieve Old Version',
346: list => 'List Directory',
347: uplo => 'Upload file',
348: dele => 'Delete',
349: edit => 'Edit Catalog Information',
350: sela => 'Select Action',
351: nfil => 'New file',
352: nhtm => 'New HTML file',
353: nprb => 'New problem',
354: npag => 'New assembled page',
355: nseq => 'New assembled sequence',
356: ncrf => 'New custom rights file',
357: nsty => 'New style file',
358: nlib => 'New library file',
359: nbt => 'New bridgetask file',
360: nsub => 'New subdirectory',
361: renm => 'Rename current file to',
362: move => 'Move current file to',
363: copy => 'Copy current file to',
364: type => 'Type Name Here',
365: go => 'Go',
366: prnt => 'Print contents of directory',
367: crea => 'Create a new directory or LON-CAPA document',
368: acti => 'Actions for current directory',
369: updc => 'Upload a new document'
370: );
371: $r->print(<<END);
372: <table id="LC_cstr_controls">
373: <tr>
374: <th>$lt{'acti'}</th>
375: <th>$lt{'updc'}</th>
376: <th>$lt{'crea'}</th>
377: </tr>
378: <tr>
379: <td>
380: <form name="curractions" method="post" action="">
381: <select name="dirtask" onchange="currdiract(this.form)">
382: <option>$lt{'sela'}</option>
383: <option value="publish">$lt{'pubd'}</option>
384: <option value="editcat">$lt{'edit'}</option>
385: <option value="printdir">$lt{'prnt'}</option>
386: <option value="delete">$lt{'dedr'}</option>
387: </select>
388: <input type="hidden" name="filename" value="/~$uname$thisdisfn/" />
389: </form>
390: <form name="publishdir" method="post" action="/adm/publish" target="_parent">
391: <input type="hidden" name="pubrec" value="" />
392: <input type="hidden" name="filename" value="" />
393: </form>
394: <form name="printdir" method="post" action="/adm/printout" target="_parent">
395: <input type="hidden" name="postdata" value="" />
396: </form>
397: </td>
398: <td>
399: <form name="upublisher" enctype="multipart/form-data" method="post" action="/adm/upload" target="_parent">
400: <input type="hidden" name="filename" value="/~$uname$thisdisfn/" />
401: <input type="file" name="upfile" size="20" />
402: <input type="button" value="$lt{'uplo'}" onclick="checkUpload(this.form)" />
403: </form>
404: </td>
405: <td>
406: <form name="fileaction" method="post" action="/adm/cfile" target="_parent">
407: <span style="white-space: nowrap">
408: <input type="hidden" name="filename" value="/~$uname$thisdisfn/" />
409: <select name="action">
410: <option value="Select Action">$lt{'sela'}</option>
411: <option value="newfile">$lt{'nfil'}:</option>
412: <option value="newhtmlfile">$lt{'nhtm'}:</option>
413: <option value="newproblemfile">$lt{'nprb'}:</option>
414: <option value="newpagefile">$lt{'npag'}:</option>
415: <option value="newsequencefile">$lt{'nseq'}:</option>
416: <option value="newrightsfile">$lt{'ncrf'}:</option>
417: <option value="newstyfile">$lt{'nsty'}:</option>
418: <option value="newtaskfile">$lt{'nbt'}:</option>
419: <option value="newlibraryfile">$lt{'nlib'}:</option>
420: <option value="newdir">$lt{'nsub'}:</option>
421: </select> <input type="text" name="newfilename" value="Type Name Here" onfocus="if (this.value == 'Type Name Here') this.value=''" /> <input type="button" value="Go" onclick="document.fileaction.submit()" />
422: </span>
423: </form>
424: </td>
425: </tr>
426: </table>
427: END
428: }
429:
430: sub pubbuttons {
431: my ($r,$uname,$thisdisfn) = @_;
432: $r->print('<form method="post" action="/adm/publish" target="_parent">'.
433: '<table><tr><td><input type="hidden" name="filename" value="/~'.
434: $uname.$thisdisfn.'/" />'.
435: '<input type="submit" value="'.&mt('Publish Directory').'" /></td><td>'.
436: '<input type="button" onclick="window.location='."'/~".
437: $uname.$thisdisfn."/default.meta'".'" value="'.
438: &mt('Edit Directory Catalog Information').'" /></td></tr></table></form>');
439: }
440:
441: sub resourceactions {
442: my ($r,$uname,$udom,$thisdisfn) = @_;
443: $r->print(<<END);
444: <form name="moveresource" action="/adm/cfile" target="_parent" method="post">
445: <input type="hidden" name="filename" value="" />
446: <input type="hidden" name="newfilename" value="" />
447: <input type="hidden" name="action" value="" />
448: </form>
449: <form name="delresource" action="/adm/cfile" target="_parent" method="post">
450: <input type="hidden" name="filename" value="" />
451: <input type="hidden" name="action" value="delete" />
452: </form>
453: <form name="pubresource" action="/adm/publish" target="_parent" method="post">
454: <input type="hidden" name="filename" value="" />
455: <input type="hidden" name="makeobsolete" value="0" />
456: </form>
457: <form name="printresource" action="/adm/printout" target="_parent" method="post">
458: <input type="hidden" name="postdata" value="" />
459: </form>
460: <form name="retrieveres" action="/adm/retrieve" target="_parent" method="post">
461: <input type="hidden" name="filename" value="" />
462: </form>
463: <form name="cleanup" action="/adm/cleanup" target="_parent" method="post">
464: <input type="hidden" name="filename" value="" />
465: </form>
466: END
467: }
468:
469: #
470: # Get the title string or "[untitled]" if the file has no title metadata:
471: # Without the latter substitution, it's impossible to examine metadata for
472: # untitled resources. Resources may be legitimately untitled, to prevent
473: # searches from locating them.
474: #
475: # $str = getTitleString($fullname);
476: # $fullname - Fully qualified filename to check.
477: #
478: sub getTitleString {
479: my $fullname = shift;
480: my $title = &Apache::lonnet::metadata($fullname, 'title');
481:
482: unless ($title) {
483: $title = "[".&mt('untitled')."]";
484: }
485: return $title;
486: }
487:
488: sub getCopyRightString {
489: my $fullname = shift;
490: return &Apache::lonnet::metadata($fullname, 'copyright');
491: }
492:
493: sub getSourceRightString {
494: my $fullname = shift;
495: return &Apache::lonnet::metadata($fullname, 'sourceavail');
496: }
497: #
498: # Put out a directory table row:
499: # putdirectory(r, base, here, dirname, modtime)
500: # r - Apache request object.
501: # reqfile - File in request.
502: # here - Where we are in directory tree.
503: # dirname - Name of directory special file.
504: # modtime - Encoded modification time.
505: #
506: sub putdirectory {
507: my ($r, $reqfile, $here, $dirname, $modtime, $resdir, $bombs, $numdir) = @_;
508: # construct the display filename: the directory name unless ..:
509:
510: my $disfilename = $dirname;
511: if ($dirname eq '..') {
512: $disfilename = '<i>'.&mt('Parent Directory').'</i>';
513: }
514: unless ( (($dirname eq '..') && ($reqfile eq '')) || ($dirname eq '.')) {
515: my $kaputt=0;
516: foreach (keys %{$bombs}) {
517: if ($_=~m:^\Q$resdir\E/\Q$disfilename\E/:) { $kaputt=1; last; }
518: }
519: %Apache::lonpublisher::metadatafields=();
520: %Apache::lonpublisher::metadatakeys=();
521: my $construct=$here;
522: $construct=~s{^/priv/($LONCAPA::username_re)$}{/home/$1/public_html};
523: my $dirpath = $here;
524: $dirpath=~s{^/priv/}{/~};
525: &Apache::lonpublisher::metaeval(&Apache::lonnet::getfile(
526: $construct.'/'.$dirname.'/default.meta'
527: ));
528: my $actionitem = '';
529: if ($dirname eq '..') {
530: $actionitem = 'Go to ...';
531: } else {
532: $actionitem =
533: '<form name="dirselect_'.$$numdir.
534: '" action="/adm/publish" target="_parent">'.
535: '<select name="diraction" onchange="SetPubDir(this.form,document)">'.
536: '<option selected="selected">'.&mt('Select action').'</option>'.
537: '<option value="open">'.&mt('Open').'</option>'.
538: '<option value="publish">'.&mt('Publish').'</option>'.
539: '<option value="editcat">'.&mt('Edit catalog information').'</option>'.
540: '<option value="printdir">'.&mt('Print directory').'</option>'.
541: '<option value="delete">'.&mt('Delete directory').'</option>'.
542: '</select>'.
543: '<input type="hidden" name="filename" value="'.&HTML::Entities::encode($dirpath.'/'.$dirname,'<>&"').'/" />'.
544: '<input type="hidden" name="openname" value="'.$here.'/'.$dirname.'/" />'.
545: '<input type="hidden" name="postdata" value="" />'.
546: '</form>';
547: $$numdir ++;
548: }
549: $r->print('<tr class="LC_browser_folder">'.
550: '<td><img src="'.
551: $Apache::lonnet::perlvar{'lonIconsURL'}.'/folder_closed.gif" alt="folder" /></td>'.
552: '<td>'.$actionitem.'</td>'.
553: '<td><span class="LC_filename"><a href="'.&HTML::Entities::encode($here.'/'.$dirname,'<>&"').'/" target="_parent">'.
554: $disfilename.'</a></span></td>'.
555: '<td colspan="2">'.($kaputt?&Apache::lonhtmlcommon::authorbombs($resdir.'/'.$disfilename.'/'):'').$Apache::lonpublisher::metadatafields{'title'});
556: if ($Apache::lonpublisher::metadatafields{'subject'} ne '') {
557: $r->print(' <i>'.
558: $Apache::lonpublisher::metadatafields{'subject'}.
559: '</i> ');
560: }
561: $r->print($Apache::lonpublisher::metadatafields{'keywords'}.'</td>'.
562: '<td>'.&Apache::lonlocal::locallocaltime($modtime).'</td>'.
563: "</tr>\n");
564: }
565: return OK;
566: }
567: #
568: # Put a table row for a file resource.
569: #
570: sub putresource {
571: my ($r, $udom, $uname, $filename, $thisdisfn,
572: $resdir, $targetdir, $linkdir,
573: $cmtime,$bombs,$numres) = @_;
574: &Apache::lonnet::devalidate_cache_new('meta',$targetdir.'/'.$filename);
575: my $pubstatus = 'unpublished';
576: my $status=&mt('Unpublished');
577: my $css_class='LC_browser_file';
578: my $title=' ';
579: my $publish_button=&mt('Publish');
580: my $cstr_dir = '/home/'.$uname.'/public_html/'.$thisdisfn.'/';
581: # my $action_buttons=
582: # '<br /><a target="_parent" href="/adm/cfile?action=delete&filename=/~'.
583: # $uname.'/'.$thisdisfn.'/'.$filename.'">'.
584: # &mt('Delete').'</a>';
585: if (-e $resdir.'/'.$filename) {
586: my $same=0;
587: my ($rdev,$rino,$rmode,$rnlink,
588: $ruid,$rgid,$rrdev,$rsize,
589: $ratime,$rmtime,$rctime,
590: $rblksize,$rblocks)=stat($resdir.'/'.$filename);
591: if ($rmtime>=$cmtime) {
592: $same=1;
593: } else {
594: if (&Apache::londiff::are_different_files($resdir.'/'.$filename,
595: $cstr_dir.'/'.$filename)) {
596: $same=0;
597: } else {
598: $same=1;
599: }
600: }
601: my $meta_cmtime = (stat($cstr_dir.'/'.$filename.'.meta'))[9];
602: my $meta_rmtime = (stat($resdir.'/'.$filename.'.meta'))[9];
603: my $meta_same = 1;
604: if ($meta_rmtime < $meta_cmtime
605: && &Apache::londiff::are_different_files($resdir.'/'.$filename.'.meta',
606: $cstr_dir.'/'.$filename.'.meta')) {
607: $meta_same = 0;
608: }
609: $publish_button=&mt('Re-publish');
610: my $rights_status =
611: &mt(&getCopyRightString($targetdir.'/'.$filename)).' '.
612: &mt(&getSourceRightString($targetdir.'/'.$filename));
613: $title = '<a href="/res/'.$targetdir.'/'.$filename.
614: '.meta" target="cat">'.
615: &getTitleString($targetdir.'/'.$filename).'</a>';
616: if ($same) {
617: if (&Apache::lonnet::metadata($targetdir.'/'.$filename,'obsolete')) {
618: $pubstatus = 'obsolete';
619: $status=&mt('Obsolete');
620: } else {
621: if (!$meta_same) {
622: $pubstatus = 'metamodified';
623: } else {
624: $pubstatus = 'published';
625: }
626: $status=&mt('Published').
627: '<br />'. $rights_status;
628: }
629: # } else {
630: # $action_buttons='';
631: # }
632: } else {
633: $pubstatus = 'modified';
634: $status=&mt('Modified').
635: '<br />'. $rights_status;
636: # $action_buttons='';
637: if (&Apache::loncommon::fileembstyle(($filename=~/\.(\w+)$/)) eq 'ssi') {
638: $status.='<br /><a href="/adm/diff?filename=/~'.$uname.
639: $thisdisfn.'/'.$filename.
640: '&versiontwo=priv" target="cat">'.&mt('Diffs').'</a>';
641: }
642: }
643:
644: $title.="\n".'<br /><a href="/~'.$uname.$thisdisfn.'/'.$filename.'.meta">'.
645: ($$bombs{$targetdir.'/'.$filename}?'<img src="/adm/lonMisc/bomb.gif" border="0" alt="bomb" />':'Edit Metadata').'</a>';
646:
647: if (!$meta_same) {
648: $title = &mt('Metadata Modified').'<br />'.$title.
649: '<br /><a href="/adm/diff?filename=/~'.$uname.
650: $thisdisfn.'/'.$filename.'.meta'.
651: '&versiontwo=priv" target="cat">'.&mt('Metadata Diffs').'</a>';
652: $title.="\n".'<br /><a href="/adm/retrieve?filename=/~'.$uname.
653: $thisdisfn.'/'.$filename.'.meta" target="_parent">'.&mt('Retrieve Metadata').'</a>';
654: }
655: $status.="\n".'<br /><a href="/adm/retrieve?filename=/~'.$uname.
656: $thisdisfn.'/'.$filename.'" target="_parent">'.&mt('Retrieve').'</a>';
657: }
658: my $editlink='';
659: my $editlink2='';
660: if ($filename=~/\.(xml|html|htm|xhtml|xhtm|sty)$/) {
661: $editlink=' <br />(<a href="'.$linkdir.'/'.$filename.'?forceedit=1" target="_parent">'.&mt('Edit').'</a>)';
662: }
663: if ($filename=~/\.(problem|exam|quiz|assess|survey|form|library)$/) {
664: $editlink=' (<a href="'.$linkdir.'/'.$filename.'?forceedit=1" target="_parent">'.&mt('EditXML').'</a>)';
665: $editlink2=' <br />(<a href="'.$linkdir.'/'.$filename.'?forceColoredit=1" target="_parent">'.&mt('Edit').'</a>)';
666: }
667: if ($filename=~/\.(problem|exam|quiz|assess|survey|form|library|xml|html|htm|xhtml|xhtm|sty)$/) {
668: $editlink.=' (<a href="/adm/cleanup?filename=/~'.$uname.
669: $thisdisfn.'/'.$filename.'" target="_parent">'.&mt('Clean Up').')</a>';
670: }
671: if ($filename=~/\.(zip|tar|bz2|gz|tar.gz|tar.bz2|tgz)$/) {
672: $editlink=' (<a target="_parent" href="/adm/cfile?decompress=/~'.
673: $uname.$thisdisfn.'/'.$filename.'">'.&mt('Decompress').'</a>)';
674: }
675: my $pub_select = '';
676: &create_pubselect($r,\$pub_select,$udom,$uname,$thisdisfn,$filename,$resdir,$pubstatus,$publish_button,$numres);
677: $r->print('<tr class="LC_browser_file_'.$pubstatus.'">'.
678: '<td>'.($filename=~/[\#\~]$/?' ':
679: '<img src="'.&Apache::loncommon::icon($filename).'" alt="" />').'</td>'.
680: '<td>'.$pub_select.'</td>'.
681: '<td><span class="LC_filename"> '.
682: '<a href="'.$linkdir.'/'.$filename.'" target="_parent">'.
683: $filename.'</a></span>'.$editlink2.$editlink.
684: '</td>'.
685: '<td>'.$title.'</td>'.
686: '<td>'.$status.'</td>'.
687: '<td>'.&Apache::lonlocal::locallocaltime($cmtime).'</td>'.
688: "</tr>\n");
689: return OK;
690: }
691:
692: sub create_pubselect {
693: my ($r,$pub_select,$udom,$uname,$thisdisfn,$filename,$resdir,$pubstatus,$publish_button,$numres) = @_;
694: $$pub_select = '
695: <form name="resselect_'.$$numres.'" action="">
696: <select name="reschoice" onchange="SetResChoice(this.form)">
697: <option>'.&mt('Select action').'</option>'.
698: '<option value="copy">'.&mt('Copy').'</option>';
699: if ($pubstatus eq 'obsolete' || $pubstatus eq 'unpublished') {
700: $$pub_select .=
701: '<option value="rename">'.&mt('Rename').'</option>'.
702: '<option value="move">'.&mt('Move').'</option>'.
703: '<option value="delete">'.&mt('Delete').'</option>';
704: } else {
705: $$pub_select .= '
706: <option value="obsolete">'.&mt('Mark obsolete').'</option>';
707: }
708: # check for versions
709: my $versions = &check_for_versions($r,'/'.$filename,$udom,$uname);
710: if ($versions > 0) {
711: $$pub_select .='
712: <option value="retrieve">'.&mt('Retrieve old version').'</option>';
713: }
714: $$pub_select .= '
715: <option value="publish">'.$publish_button.'</option>'.
716: '<option value="cleanup">'.&mt('Clean up').'</option>'.
717: '<option value="print">'.&mt('Print').'</option>'.
718: '</select>
719: <input type="hidden" name="filename" value="/~'.
720: &HTML::Entities::encode($uname.$thisdisfn.'/'.$filename,'<>&"').'" />
721: <input type="hidden" name="dispfilename" value="'.
722: &HTML::Entities::encode($filename).'" /></form>';
723: $$numres ++;
724: }
725:
726: sub check_for_versions {
727: my ($r,$fn,$udom,$uname) = @_;
728: my $versions = 0;
729: my $docroot=$r->dir_config('lonDocRoot');
730: my $resfn=$docroot.'/res/'.$udom.'/'.$uname.$fn;
731: my $resdir=$resfn;
732: $resdir=~s/\/[^\/]+$/\//;
733: $fn=~/\/([^\/]+)\.(\w+)$/;
734: my $main=$1;
735: my $suffix=$2;
736: opendir(DIR,$resdir);
737: while (my $filename=readdir(DIR)) {
738: if ($filename=~/^\Q$main\E\.(\d+)\.\Q$suffix\E$/) {
739: $versions ++;
740: }
741: }
742: return $versions;
743: }
744:
745: #
746: # Categorize files in the directory.
747: # For each file in a list of files in a file directory,
748: # the file categorized as one of:
749: # - directory
750: # - sequence
751: # - problem
752: # - Other resource.
753: #
754: # For each file the modification date is determined as well.
755: # Returned is a list of sublists:
756: # (directories, sequences, problems, other)
757: # each of the sublists contains entries of the following form (sorted by
758: # filename):
759: # (filename, typecode, lastmodtime)
760: #
761: # $list = CategorizeFiles($location, $files)
762: # $location - Directory in which the files live (relative to our
763: # execution.
764: # $files - list of files.
765: #
766: sub CategorizeFiles {
767: my $location = shift;
768: my $files = shift;
769: }
770:
771: 1;
772: __END__
773:
774: =head1 NAME
775:
776: Apache::lonpubdir - Construction space directory lister
777:
778: =head1 SYNOPSIS
779:
780: Invoked (for various locations) by /etc/httpd/conf/srm.conf:
781:
782: <LocationMatch "^/\~.*/$">
783: PerlAccessHandler Apache::loncacc
784: SetHandler perl-script
785: PerlHandler Apache::lonpubdir
786: ErrorDocument 403 /adm/login
787: ErrorDocument 404 /adm/notfound.html
788: ErrorDocument 406 /adm/unauthorized.html
789: ErrorDocument 500 /adm/errorhandler
790: </LocationMatch>
791:
792: <Location /adm/pubdir>
793: PerlAccessHandler Apache::lonacc
794: SetHandler perl-script
795: PerlHandler Apache::lonpubdir
796: ErrorDocument 403 /adm/login
797: ErrorDocument 404 /adm/notfound.html
798: ErrorDocument 406 /adm/unauthorized.html
799: ErrorDocument 500 /adm/errorhandler
800: </Location>
801:
802: =head1 INTRODUCTION
803:
804: This module publishes a directory of files.
805:
806: This is part of the LearningOnline Network with CAPA project
807: described at http://www.lon-capa.org.
808:
809: =head1 HANDLER SUBROUTINE
810:
811: This routine is called by Apache and mod_perl.
812:
813: =over 4
814:
815: =item *
816:
817: read in information
818:
819: =item *
820:
821: start page output
822:
823: =item *
824:
825: run through list of files and attempt to publish unhidden files
826:
827: =back
828:
829: =cut
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