1: # The LearningOnline Network with CAPA
2: # Construction Space Directory Lister
3: #
4: # $Id: lonpubdir.pm,v 1.105 2007/11/02 19:24:44 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: pick => 'Please select an action to perform using the new filename',
371: );
372: $r->print(<<END);
373: <table id="LC_cstr_controls">
374: <tr>
375: <th>$lt{'acti'}</th>
376: <th>$lt{'updc'}</th>
377: <th>$lt{'crea'}</th>
378: </tr>
379: <tr>
380: <td>
381: <form name="curractions" method="post" action="">
382: <select name="dirtask" onchange="currdiract(this.form)">
383: <option>$lt{'sela'}</option>
384: <option value="publish">$lt{'pubd'}</option>
385: <option value="editcat">$lt{'edit'}</option>
386: <option value="printdir">$lt{'prnt'}</option>
387: <option value="delete">$lt{'dedr'}</option>
388: </select>
389: <input type="hidden" name="filename" value="/~$uname$thisdisfn/" />
390: </form>
391: <form name="publishdir" method="post" action="/adm/publish" target="_parent">
392: <input type="hidden" name="pubrec" value="" />
393: <input type="hidden" name="filename" value="" />
394: </form>
395: <form name="printdir" method="post" action="/adm/printout" target="_parent">
396: <input type="hidden" name="postdata" value="" />
397: </form>
398: </td>
399: <td>
400: <form name="upublisher" enctype="multipart/form-data" method="post" action="/adm/upload" target="_parent">
401: <input type="hidden" name="filename" value="/~$uname$thisdisfn/" />
402: <input type="file" name="upfile" size="20" />
403: <input type="button" value="$lt{'uplo'}" onclick="checkUpload(this.form)" />
404: </form>
405: </td>
406: <td>
407: <form name="fileaction" method="post" action="/adm/cfile" target="_parent">
408: <span style="white-space: nowrap">
409: <input type="hidden" name="filename" value="/~$uname$thisdisfn/" />
410: <script type="text/javascript">
411: function validate_go() {
412: var selected = document.fileaction.action.selectedIndex;
413: if (selected == 0) {
414: alert('$lt{'pick'}');
415: } else {
416: document.fileaction.submit();
417: }
418: }
419: </script>
420: <select name="action">
421: <option value="none">$lt{'sela'}</option>
422: <option value="newfile">$lt{'nfil'}:</option>
423: <option value="newhtmlfile">$lt{'nhtm'}:</option>
424: <option value="newproblemfile">$lt{'nprb'}:</option>
425: <option value="newpagefile">$lt{'npag'}:</option>
426: <option value="newsequencefile">$lt{'nseq'}:</option>
427: <option value="newrightsfile">$lt{'ncrf'}:</option>
428: <option value="newstyfile">$lt{'nsty'}:</option>
429: <option value="newtaskfile">$lt{'nbt'}:</option>
430: <option value="newlibraryfile">$lt{'nlib'}:</option>
431: <option value="newdir">$lt{'nsub'}:</option>
432: </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="validate_go();" />
433: </span>
434: </form>
435: </td>
436: </tr>
437: </table>
438: END
439: }
440:
441: sub pubbuttons {
442: my ($r,$uname,$thisdisfn) = @_;
443: $r->print('<form method="post" action="/adm/publish" target="_parent">'.
444: '<table><tr><td><input type="hidden" name="filename" value="/~'.
445: $uname.$thisdisfn.'/" />'.
446: '<input type="submit" value="'.&mt('Publish Directory').'" /></td><td>'.
447: '<input type="button" onclick="window.location='."'/~".
448: $uname.$thisdisfn."/default.meta'".'" value="'.
449: &mt('Edit Directory Catalog Information').'" /></td></tr></table></form>');
450: }
451:
452: sub resourceactions {
453: my ($r,$uname,$udom,$thisdisfn) = @_;
454: $r->print(<<END);
455: <form name="moveresource" action="/adm/cfile" target="_parent" method="post">
456: <input type="hidden" name="filename" value="" />
457: <input type="hidden" name="newfilename" value="" />
458: <input type="hidden" name="action" value="" />
459: </form>
460: <form name="delresource" action="/adm/cfile" target="_parent" method="post">
461: <input type="hidden" name="filename" value="" />
462: <input type="hidden" name="action" value="delete" />
463: </form>
464: <form name="pubresource" action="/adm/publish" target="_parent" method="post">
465: <input type="hidden" name="filename" value="" />
466: <input type="hidden" name="makeobsolete" value="0" />
467: </form>
468: <form name="printresource" action="/adm/printout" target="_parent" method="post">
469: <input type="hidden" name="postdata" value="" />
470: </form>
471: <form name="retrieveres" action="/adm/retrieve" target="_parent" method="post">
472: <input type="hidden" name="filename" value="" />
473: </form>
474: <form name="cleanup" action="/adm/cleanup" target="_parent" method="post">
475: <input type="hidden" name="filename" value="" />
476: </form>
477: END
478: }
479:
480: #
481: # Get the title string or "[untitled]" if the file has no title metadata:
482: # Without the latter substitution, it's impossible to examine metadata for
483: # untitled resources. Resources may be legitimately untitled, to prevent
484: # searches from locating them.
485: #
486: # $str = getTitleString($fullname);
487: # $fullname - Fully qualified filename to check.
488: #
489: sub getTitleString {
490: my $fullname = shift;
491: my $title = &Apache::lonnet::metadata($fullname, 'title');
492:
493: unless ($title) {
494: $title = "[".&mt('untitled')."]";
495: }
496: return $title;
497: }
498:
499: sub getCopyRightString {
500: my $fullname = shift;
501: return &Apache::lonnet::metadata($fullname, 'copyright');
502: }
503:
504: sub getSourceRightString {
505: my $fullname = shift;
506: return &Apache::lonnet::metadata($fullname, 'sourceavail');
507: }
508: #
509: # Put out a directory table row:
510: # putdirectory(r, base, here, dirname, modtime)
511: # r - Apache request object.
512: # reqfile - File in request.
513: # here - Where we are in directory tree.
514: # dirname - Name of directory special file.
515: # modtime - Encoded modification time.
516: #
517: sub putdirectory {
518: my ($r, $reqfile, $here, $dirname, $modtime, $resdir, $bombs, $numdir) = @_;
519: # construct the display filename: the directory name unless ..:
520:
521: my $disfilename = $dirname;
522: if ($dirname eq '..') {
523: $disfilename = '<i>'.&mt('Parent Directory').'</i>';
524: }
525: unless ( (($dirname eq '..') && ($reqfile eq '')) || ($dirname eq '.')) {
526: my $kaputt=0;
527: foreach (keys %{$bombs}) {
528: if ($_=~m:^\Q$resdir\E/\Q$disfilename\E/:) { $kaputt=1; last; }
529: }
530: %Apache::lonpublisher::metadatafields=();
531: %Apache::lonpublisher::metadatakeys=();
532: my $construct=$here;
533: $construct=~s{^/priv/($LONCAPA::username_re)$}{/home/$1/public_html};
534: my $dirpath = $here;
535: $dirpath=~s{^/priv/}{/~};
536: &Apache::lonpublisher::metaeval(&Apache::lonnet::getfile(
537: $construct.'/'.$dirname.'/default.meta'
538: ));
539: my $actionitem = '';
540: if ($dirname eq '..') {
541: $actionitem = 'Go to ...';
542: } else {
543: $actionitem =
544: '<form name="dirselect_'.$$numdir.
545: '" action="/adm/publish" target="_parent">'.
546: '<select name="diraction" onchange="SetPubDir(this.form,document)">'.
547: '<option selected="selected">'.&mt('Select action').'</option>'.
548: '<option value="open">'.&mt('Open').'</option>'.
549: '<option value="publish">'.&mt('Publish').'</option>'.
550: '<option value="editcat">'.&mt('Edit catalog information').'</option>'.
551: '<option value="printdir">'.&mt('Print directory').'</option>'.
552: '<option value="delete">'.&mt('Delete directory').'</option>'.
553: '</select>'.
554: '<input type="hidden" name="filename" value="'.&HTML::Entities::encode($dirpath.'/'.$dirname,'<>&"').'/" />'.
555: '<input type="hidden" name="openname" value="'.$here.'/'.$dirname.'/" />'.
556: '<input type="hidden" name="postdata" value="" />'.
557: '</form>';
558: $$numdir ++;
559: }
560: $r->print('<tr class="LC_browser_folder">'.
561: '<td><img src="'.
562: $Apache::lonnet::perlvar{'lonIconsURL'}.'/folder_closed.gif" alt="folder" /></td>'.
563: '<td>'.$actionitem.'</td>'.
564: '<td><span class="LC_filename"><a href="'.&HTML::Entities::encode($here.'/'.$dirname,'<>&"').'/" target="_parent">'.
565: $disfilename.'</a></span></td>'.
566: '<td colspan="2">'.($kaputt?&Apache::lonhtmlcommon::authorbombs($resdir.'/'.$disfilename.'/'):'').$Apache::lonpublisher::metadatafields{'title'});
567: if ($Apache::lonpublisher::metadatafields{'subject'} ne '') {
568: $r->print(' <i>'.
569: $Apache::lonpublisher::metadatafields{'subject'}.
570: '</i> ');
571: }
572: $r->print($Apache::lonpublisher::metadatafields{'keywords'}.'</td>'.
573: '<td>'.&Apache::lonlocal::locallocaltime($modtime).'</td>'.
574: "</tr>\n");
575: }
576: return OK;
577: }
578: #
579: # Put a table row for a file resource.
580: #
581: sub putresource {
582: my ($r, $udom, $uname, $filename, $thisdisfn,
583: $resdir, $targetdir, $linkdir,
584: $cmtime,$bombs,$numres) = @_;
585: &Apache::lonnet::devalidate_cache_new('meta',$targetdir.'/'.$filename);
586: my $pubstatus = 'unpublished';
587: my $status=&mt('Unpublished');
588: my $css_class='LC_browser_file';
589: my $title=' ';
590: my $publish_button=&mt('Publish');
591: my $cstr_dir = '/home/'.$uname.'/public_html/'.$thisdisfn.'/';
592: # my $action_buttons=
593: # '<br /><a target="_parent" href="/adm/cfile?action=delete&filename=/~'.
594: # $uname.'/'.$thisdisfn.'/'.$filename.'">'.
595: # &mt('Delete').'</a>';
596: if (-e $resdir.'/'.$filename) {
597: my $same=0;
598: my ($rdev,$rino,$rmode,$rnlink,
599: $ruid,$rgid,$rrdev,$rsize,
600: $ratime,$rmtime,$rctime,
601: $rblksize,$rblocks)=stat($resdir.'/'.$filename);
602: if ($rmtime>=$cmtime) {
603: $same=1;
604: } else {
605: if (&Apache::londiff::are_different_files($resdir.'/'.$filename,
606: $cstr_dir.'/'.$filename)) {
607: $same=0;
608: } else {
609: $same=1;
610: }
611: }
612: my $meta_cmtime = (stat($cstr_dir.'/'.$filename.'.meta'))[9];
613: my $meta_rmtime = (stat($resdir.'/'.$filename.'.meta'))[9];
614: my $meta_same = 1;
615: if ($meta_rmtime < $meta_cmtime
616: && &Apache::londiff::are_different_files($resdir.'/'.$filename.'.meta',
617: $cstr_dir.'/'.$filename.'.meta')) {
618: $meta_same = 0;
619: }
620: $publish_button=&mt('Re-publish');
621: my $rights_status =
622: &mt(&getCopyRightString($targetdir.'/'.$filename)).' '.
623: &mt(&getSourceRightString($targetdir.'/'.$filename));
624: $title = '<a href="/res/'.$targetdir.'/'.$filename.
625: '.meta" target="cat">'.
626: &getTitleString($targetdir.'/'.$filename).'</a>';
627: if ($same) {
628: if (&Apache::lonnet::metadata($targetdir.'/'.$filename,'obsolete')) {
629: $pubstatus = 'obsolete';
630: $status=&mt('Obsolete');
631: } else {
632: if (!$meta_same) {
633: $pubstatus = 'metamodified';
634: } else {
635: $pubstatus = 'published';
636: }
637: $status=&mt('Published').
638: '<br />'. $rights_status;
639: }
640: # } else {
641: # $action_buttons='';
642: # }
643: } else {
644: $pubstatus = 'modified';
645: $status=&mt('Modified').
646: '<br />'. $rights_status;
647: # $action_buttons='';
648: if (&Apache::loncommon::fileembstyle(($filename=~/\.(\w+)$/)) eq 'ssi') {
649: $status.='<br /><a href="/adm/diff?filename=/~'.$uname.
650: $thisdisfn.'/'.$filename.
651: '&versiontwo=priv" target="cat">'.&mt('Diffs').'</a>';
652: }
653: }
654:
655: $title.="\n".'<br /><a href="/~'.$uname.$thisdisfn.'/'.$filename.'.meta">'.
656: ($$bombs{$targetdir.'/'.$filename}?'<img src="/adm/lonMisc/bomb.gif" border="0" alt="bomb" />':'Edit Metadata').'</a>';
657:
658: if (!$meta_same) {
659: $title = &mt('Metadata Modified').'<br />'.$title.
660: '<br /><a href="/adm/diff?filename=/~'.$uname.
661: $thisdisfn.'/'.$filename.'.meta'.
662: '&versiontwo=priv" target="cat">'.&mt('Metadata Diffs').'</a>';
663: $title.="\n".'<br /><a href="/adm/retrieve?filename=/~'.$uname.
664: $thisdisfn.'/'.$filename.'.meta" target="_parent">'.&mt('Retrieve Metadata').'</a>';
665: }
666: $status.="\n".'<br /><a href="/adm/retrieve?filename=/~'.$uname.
667: $thisdisfn.'/'.$filename.'" target="_parent">'.&mt('Retrieve').'</a>';
668: }
669: my $editlink='';
670: my $editlink2='';
671: if ($filename=~/\.(xml|html|htm|xhtml|xhtm|sty)$/) {
672: $editlink=' <br />(<a href="'.$linkdir.'/'.$filename.'?forceedit=1" target="_parent">'.&mt('Edit').'</a>)';
673: }
674: if ($filename=~/\.(problem|exam|quiz|assess|survey|form|library)$/) {
675: $editlink=' (<a href="'.$linkdir.'/'.$filename.'?forceedit=1" target="_parent">'.&mt('EditXML').'</a>)';
676: $editlink2=' <br />(<a href="'.$linkdir.'/'.$filename.'?forceColoredit=1" target="_parent">'.&mt('Edit').'</a>)';
677: }
678: if ($filename=~/\.(problem|exam|quiz|assess|survey|form|library|xml|html|htm|xhtml|xhtm|sty)$/) {
679: $editlink.=' (<a href="/adm/cleanup?filename=/~'.$uname.
680: $thisdisfn.'/'.$filename.'" target="_parent">'.&mt('Clean Up').')</a>';
681: }
682: if ($filename=~/\.(zip|tar|bz2|gz|tar.gz|tar.bz2|tgz)$/) {
683: $editlink=' (<a target="_parent" href="/adm/cfile?decompress=/~'.
684: $uname.$thisdisfn.'/'.$filename.'">'.&mt('Decompress').'</a>)';
685: }
686: my $pub_select = '';
687: &create_pubselect($r,\$pub_select,$udom,$uname,$thisdisfn,$filename,$resdir,$pubstatus,$publish_button,$numres);
688: $r->print('<tr class="LC_browser_file_'.$pubstatus.'">'.
689: '<td>'.($filename=~/[\#\~]$/?' ':
690: '<img src="'.&Apache::loncommon::icon($filename).'" alt="" />').'</td>'.
691: '<td>'.$pub_select.'</td>'.
692: '<td><span class="LC_filename">'.
693: '<a href="'.$linkdir.'/'.$filename.'" target="_parent">'.
694: $filename.'</a></span>'.$editlink2.$editlink.
695: '</td>'.
696: '<td>'.$title.'</td>'.
697: '<td>'.$status.'</td>'.
698: '<td>'.&Apache::lonlocal::locallocaltime($cmtime).'</td>'.
699: "</tr>\n");
700: return OK;
701: }
702:
703: sub create_pubselect {
704: my ($r,$pub_select,$udom,$uname,$thisdisfn,$filename,$resdir,$pubstatus,$publish_button,$numres) = @_;
705: $$pub_select = '
706: <form name="resselect_'.$$numres.'" action="">
707: <select name="reschoice" onchange="SetResChoice(this.form)">
708: <option>'.&mt('Select action').'</option>'.
709: '<option value="copy">'.&mt('Copy').'</option>';
710: if ($pubstatus eq 'obsolete' || $pubstatus eq 'unpublished') {
711: $$pub_select .=
712: '<option value="rename">'.&mt('Rename').'</option>'.
713: '<option value="move">'.&mt('Move').'</option>'.
714: '<option value="delete">'.&mt('Delete').'</option>';
715: } else {
716: $$pub_select .= '
717: <option value="obsolete">'.&mt('Mark obsolete').'</option>';
718: }
719: # check for versions
720: my $versions = &check_for_versions($r,'/'.$filename,$udom,$uname);
721: if ($versions > 0) {
722: $$pub_select .='
723: <option value="retrieve">'.&mt('Retrieve old version').'</option>';
724: }
725: $$pub_select .= '
726: <option value="publish">'.$publish_button.'</option>'.
727: '<option value="cleanup">'.&mt('Clean up').'</option>'.
728: '<option value="print">'.&mt('Print').'</option>'.
729: '</select>
730: <input type="hidden" name="filename" value="/~'.
731: &HTML::Entities::encode($uname.$thisdisfn.'/'.$filename,'<>&"').'" />
732: <input type="hidden" name="dispfilename" value="'.
733: &HTML::Entities::encode($filename).'" /></form>';
734: $$numres ++;
735: }
736:
737: sub check_for_versions {
738: my ($r,$fn,$udom,$uname) = @_;
739: my $versions = 0;
740: my $docroot=$r->dir_config('lonDocRoot');
741: my $resfn=$docroot.'/res/'.$udom.'/'.$uname.$fn;
742: my $resdir=$resfn;
743: $resdir=~s/\/[^\/]+$/\//;
744: $fn=~/\/([^\/]+)\.(\w+)$/;
745: my $main=$1;
746: my $suffix=$2;
747: opendir(DIR,$resdir);
748: while (my $filename=readdir(DIR)) {
749: if ($filename=~/^\Q$main\E\.(\d+)\.\Q$suffix\E$/) {
750: $versions ++;
751: }
752: }
753: return $versions;
754: }
755:
756: #
757: # Categorize files in the directory.
758: # For each file in a list of files in a file directory,
759: # the file categorized as one of:
760: # - directory
761: # - sequence
762: # - problem
763: # - Other resource.
764: #
765: # For each file the modification date is determined as well.
766: # Returned is a list of sublists:
767: # (directories, sequences, problems, other)
768: # each of the sublists contains entries of the following form (sorted by
769: # filename):
770: # (filename, typecode, lastmodtime)
771: #
772: # $list = CategorizeFiles($location, $files)
773: # $location - Directory in which the files live (relative to our
774: # execution.
775: # $files - list of files.
776: #
777: sub CategorizeFiles {
778: my $location = shift;
779: my $files = shift;
780: }
781:
782: 1;
783: __END__
784:
785: =head1 NAME
786:
787: Apache::lonpubdir - Construction space directory lister
788:
789: =head1 SYNOPSIS
790:
791: Invoked (for various locations) by /etc/httpd/conf/srm.conf:
792:
793: <LocationMatch "^/\~.*/$">
794: PerlAccessHandler Apache::loncacc
795: SetHandler perl-script
796: PerlHandler Apache::lonpubdir
797: ErrorDocument 403 /adm/login
798: ErrorDocument 404 /adm/notfound.html
799: ErrorDocument 406 /adm/unauthorized.html
800: ErrorDocument 500 /adm/errorhandler
801: </LocationMatch>
802:
803: <Location /adm/pubdir>
804: PerlAccessHandler Apache::lonacc
805: SetHandler perl-script
806: PerlHandler Apache::lonpubdir
807: ErrorDocument 403 /adm/login
808: ErrorDocument 404 /adm/notfound.html
809: ErrorDocument 406 /adm/unauthorized.html
810: ErrorDocument 500 /adm/errorhandler
811: </Location>
812:
813: =head1 INTRODUCTION
814:
815: This module publishes a directory of files.
816:
817: This is part of the LearningOnline Network with CAPA project
818: described at http://www.lon-capa.org.
819:
820: =head1 HANDLER SUBROUTINE
821:
822: This routine is called by Apache and mod_perl.
823:
824: =over 4
825:
826: =item *
827:
828: read in information
829:
830: =item *
831:
832: start page output
833:
834: =item *
835:
836: run through list of files and attempt to publish unhidden files
837:
838: =back
839:
840: =cut
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