1: # The LearningOnline Network with CAPA
2: # Construction Space Directory Lister
3: #
4: # $Id: lonpubdir.pm,v 1.108 2008/01/17 04:50:57 raeburn 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>'.&mt('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 $pagetitle .= &Apache::loncommon::help_open_menu('','',3,'Authoring').
200: '<font face="Arial, Helvetica, sans-serif" size="+1"><b>'.&mt('Construction Space').'</b>:</font> '.
201: '<form name="dirs" method="post" action="'.$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 $doctitle = 'LON-CAPA '.&mt('Construction Space');
221: my $pubdirscript=(<<ENDPUBDIRSCRIPT);
222: <script type="text/javascript">
223: top.document.title = '$esc_thisdisfn/ - $doctitle';
224: // Store directory location for menu bar to find
225:
226: parent.lastknownpriv='/~$uname$esc_thisdisfn/';
227:
228: // Confirmation dialogues
229:
230: function currdiract(theform) {
231: if (theform.dirtask.options[theform.dirtask.selectedIndex].value == 'publish') {
232: document.publishdir.filename.value = theform.filename.value;
233: document.publishdir.submit();
234: }
235: if (theform.dirtask.options[theform.dirtask.selectedIndex].value == 'editcat') {
236: top.location=theform.filename.value+'default.meta'
237: }
238: if (theform.dirtask.options[theform.dirtask.selectedIndex].value == 'printdir' ) {
239: document.printdir.postdata.value=theform.filename.value
240: document.printdir.submit();
241: }
242: if (theform.dirtask.options[theform.dirtask.selectedIndex].value == "delete") {
243: var delform = document.delresource
244: delform.filename.value = theform.filename.value
245: delform.submit()
246: }
247: }
248:
249: function checkUpload(theform) {
250: if (theform.file == '') {
251: alert("Please use 'Browse..' to choose a file first, before uploading")
252: return
253: }
254: theform.submit()
255: }
256:
257: function SetPubDir(theform,printForm) {
258: if (theform.diraction.options[theform.diraction.selectedIndex].value == "open") {
259: top.location = theform.openname.value
260: return
261: }
262: if (theform.diraction.options[theform.diraction.selectedIndex].value == "publish") {
263: theform.submit();
264: }
265: if (theform.diraction.options[theform.diraction.selectedIndex].value == "editcat") {
266: top.location=theform.filename.value+'default.meta'
267: }
268: if (theform.diraction.options[theform.diraction.selectedIndex].value == "printdir") {
269: theform.action = '/adm/printout'
270: theform.postdata.value = theform.filename.value
271: theform.submit()
272: }
273: if (theform.diraction.options[theform.diraction.selectedIndex].value == "delete") {
274: var delform = document.delresource
275: delform.filename.value = theform.filename.value
276: delform.submit()
277: }
278: return
279: }
280: function SetResChoice(theform) {
281: var activity = theform.reschoice.options[theform.reschoice.selectedIndex].value
282: if ((activity == 'rename') || (activity == 'copy') || (activity == 'move')) {
283: changename(theform,activity)
284: }
285: if (activity == 'publish') {
286: var pubform = document.pubresource
287: pubform.filename.value = theform.filename.value
288: pubform.submit()
289: }
290: if (activity == 'delete') {
291: var delform = document.delresource
292: delform.filename.value = theform.filename.value
293: delform.submit()
294: }
295: if (activity == 'obsolete') {
296: var pubform = document.pubresource
297: pubform.filename.value = theform.filename.value
298: pubform.makeobsolete.value=1;
299: pubform.submit()
300: }
301: if (activity == 'print') {
302: document.printresource.postdata.value = theform.filename.value
303: document.printresource.submit()
304: }
305: if (activity == 'retrieve') {
306: document.retrieveres.filename.value = theform.filename.value
307: document.retrieveres.submit()
308: }
309: if (activity == 'cleanup') {
310: document.cleanup.filename.value = theform.filename.value
311: document.cleanup.submit()
312: }
313: return
314: }
315: function changename(theform,activity) {
316: var oldname=theform.dispfilename.value;
317: var newname=prompt('New Name',oldname);
318: if (newname == "" || !newname || newname == oldname) {
319: return
320: }
321: document.moveresource.newfilename.value = newname
322: document.moveresource.filename.value = theform.filename.value
323: document.moveresource.action.value = activity
324: document.moveresource.submit();
325: }
326: </script>
327: ENDPUBDIRSCRIPT
328: $r->print($pubdirscript);
329:
330: if ((($uname ne $env{'user.name'}) || ($udom ne $env{'user.domain'})) &&
331: $env{'environment.remote'} ne 'off') {
332: $r->print('<h3>'.&mt('Co-Author').': '.$uname.' at '.$udom.
333: '</h3>');
334: }
335: }
336:
337: sub dircontrols {
338: my ($r,$uname,$udom,$thisdisfn) = @_;
339: my %lt=&Apache::lonlocal::texthash(
340: cnpd => 'Cannot publish directory',
341: cnrd => 'Cannot retrieve directory',
342: mcdi => 'Must create new subdirectory inside a directory',
343: pubr => 'Publish this Resource',
344: pubd => 'Publish this Directory',
345: dedr => 'Delete Directory',
346: rtrv => 'Retrieve Old Version',
347: list => 'List Directory',
348: uplo => 'Upload file',
349: dele => 'Delete',
350: edit => 'Edit Catalog Information',
351: sela => 'Select Action',
352: nfil => 'New file',
353: nhtm => 'New HTML file',
354: nprb => 'New problem',
355: npag => 'New assembled page',
356: nseq => 'New assembled sequence',
357: ncrf => 'New custom rights file',
358: nsty => 'New style file',
359: nlib => 'New library file',
360: nbt => 'New bridgetask file',
361: nsub => 'New subdirectory',
362: renm => 'Rename current file to',
363: move => 'Move current file to',
364: copy => 'Copy current file to',
365: type => 'Type Name Here',
366: go => 'Go',
367: prnt => 'Print contents of directory',
368: crea => 'Create a new directory or LON-CAPA document',
369: acti => 'Actions for current directory',
370: updc => 'Upload a new document',
371: pick => 'Please select an action to perform using the new filename',
372: );
373: my $mytype = $lt{'type'}; # avoid conflict with " and ' in javascript
374: $r->print(<<END);
375: <table id="LC_cstr_controls">
376: <tr>
377: <th>$lt{'acti'}</th>
378: <th>$lt{'updc'}</th>
379: <th>$lt{'crea'}</th>
380: </tr>
381: <tr>
382: <td>
383: <form name="curractions" method="post" action="">
384: <select name="dirtask" onchange="currdiract(this.form)">
385: <option>$lt{'sela'}</option>
386: <option value="publish">$lt{'pubd'}</option>
387: <option value="editcat">$lt{'edit'}</option>
388: <option value="printdir">$lt{'prnt'}</option>
389: <option value="delete">$lt{'dedr'}</option>
390: </select>
391: <input type="hidden" name="filename" value="/~$uname$thisdisfn/" />
392: </form>
393: <form name="publishdir" method="post" action="/adm/publish" target="_parent">
394: <input type="hidden" name="pubrec" value="" />
395: <input type="hidden" name="filename" value="" />
396: </form>
397: <form name="printdir" method="post" action="/adm/printout" target="_parent">
398: <input type="hidden" name="postdata" value="" />
399: </form>
400: </td>
401: <td>
402: <form name="upublisher" enctype="multipart/form-data" method="post" action="/adm/upload" target="_parent">
403: <input type="hidden" name="filename" value="/~$uname$thisdisfn/" />
404: <input type="file" name="upfile" size="20" />
405: <input type="button" value="$lt{'uplo'}" onclick="checkUpload(this.form)" />
406: </form>
407: </td>
408: <td>
409: <form name="fileaction" method="post" action="/adm/cfile" target="_parent">
410: <span style="white-space: nowrap">
411: <input type="hidden" name="filename" value="/~$uname$thisdisfn/" />
412: <script type="text/javascript">
413: function validate_go() {
414: var selected = document.fileaction.action.selectedIndex;
415: if (selected == 0) {
416: alert('$lt{'pick'}');
417: } else {
418: document.fileaction.submit();
419: }
420: }
421: </script>
422: <select name="action">
423: <option value="none">$lt{'sela'}</option>
424: <option value="newfile">$lt{'nfil'}:</option>
425: <option value="newhtmlfile">$lt{'nhtm'}:</option>
426: <option value="newproblemfile">$lt{'nprb'}:</option>
427: <option value="newpagefile">$lt{'npag'}:</option>
428: <option value="newsequencefile">$lt{'nseq'}:</option>
429: <option value="newrightsfile">$lt{'ncrf'}:</option>
430: <option value="newstyfile">$lt{'nsty'}:</option>
431: <option value="newtaskfile">$lt{'nbt'}:</option>
432: <option value="newlibraryfile">$lt{'nlib'}:</option>
433: <option value="newdir">$lt{'nsub'}:</option>
434: </select> <input type="text" name="newfilename" value="$lt{'type'}" onfocus="if (this.value == '$mytype') this.value=''" /> <input type="button" value="Go" onclick="validate_go();" />
435: </span>
436: </form>
437: </td>
438: </tr>
439: </table>
440: END
441: }
442:
443: sub pubbuttons {
444: my ($r,$uname,$thisdisfn) = @_;
445: $r->print('<form method="post" action="/adm/publish" target="_parent">'.
446: '<table><tr><td><input type="hidden" name="filename" value="/~'.
447: $uname.$thisdisfn.'/" />'.
448: '<input type="submit" value="'.&mt('Publish Directory').'" /></td><td>'.
449: '<input type="button" onclick="window.location='."'/~".
450: $uname.$thisdisfn."/default.meta'".'" value="'.
451: &mt('Edit Directory Catalog Information').'" /></td></tr></table></form>');
452: }
453:
454: sub resourceactions {
455: my ($r,$uname,$udom,$thisdisfn) = @_;
456: $r->print(<<END);
457: <form name="moveresource" action="/adm/cfile" target="_parent" method="post">
458: <input type="hidden" name="filename" value="" />
459: <input type="hidden" name="newfilename" value="" />
460: <input type="hidden" name="action" value="" />
461: </form>
462: <form name="delresource" action="/adm/cfile" target="_parent" method="post">
463: <input type="hidden" name="filename" value="" />
464: <input type="hidden" name="action" value="delete" />
465: </form>
466: <form name="pubresource" action="/adm/publish" target="_parent" method="post">
467: <input type="hidden" name="filename" value="" />
468: <input type="hidden" name="makeobsolete" value="0" />
469: </form>
470: <form name="printresource" action="/adm/printout" target="_parent" method="post">
471: <input type="hidden" name="postdata" value="" />
472: </form>
473: <form name="retrieveres" action="/adm/retrieve" target="_parent" method="post">
474: <input type="hidden" name="filename" value="" />
475: </form>
476: <form name="cleanup" action="/adm/cleanup" target="_parent" method="post">
477: <input type="hidden" name="filename" value="" />
478: </form>
479: END
480: }
481:
482: #
483: # Get the title string or "[untitled]" if the file has no title metadata:
484: # Without the latter substitution, it's impossible to examine metadata for
485: # untitled resources. Resources may be legitimately untitled, to prevent
486: # searches from locating them.
487: #
488: # $str = getTitleString($fullname);
489: # $fullname - Fully qualified filename to check.
490: #
491: sub getTitleString {
492: my $fullname = shift;
493: my $title = &Apache::lonnet::metadata($fullname, 'title');
494:
495: unless ($title) {
496: $title = "[".&mt('untitled')."]";
497: }
498: return $title;
499: }
500:
501: sub getCopyRightString {
502: my $fullname = shift;
503: return &Apache::lonnet::metadata($fullname, 'copyright');
504: }
505:
506: sub getSourceRightString {
507: my $fullname = shift;
508: return &Apache::lonnet::metadata($fullname, 'sourceavail');
509: }
510: #
511: # Put out a directory table row:
512: # putdirectory(r, base, here, dirname, modtime)
513: # r - Apache request object.
514: # reqfile - File in request.
515: # here - Where we are in directory tree.
516: # dirname - Name of directory special file.
517: # modtime - Encoded modification time.
518: #
519: sub putdirectory {
520: my ($r, $reqfile, $here, $dirname, $modtime, $resdir, $bombs, $numdir) = @_;
521: # construct the display filename: the directory name unless ..:
522:
523: my $disfilename = $dirname;
524: if ($dirname eq '..') {
525: $disfilename = '<i>'.&mt('Parent Directory').'</i>';
526: }
527: unless ( (($dirname eq '..') && ($reqfile eq '')) || ($dirname eq '.')) {
528: my $kaputt=0;
529: foreach (keys %{$bombs}) {
530: if ($_=~m:^\Q$resdir\E/\Q$disfilename\E/:) { $kaputt=1; last; }
531: }
532: %Apache::lonpublisher::metadatafields=();
533: %Apache::lonpublisher::metadatakeys=();
534: my $construct=$here;
535: $construct=~s{^/priv/($LONCAPA::username_re)$}{/home/$1/public_html};
536: my $dirpath = $here;
537: $dirpath=~s{^/priv/}{/~};
538: &Apache::lonpublisher::metaeval(&Apache::lonnet::getfile(
539: $construct.'/'.$dirname.'/default.meta'
540: ));
541: my $actionitem = '';
542: if ($dirname eq '..') {
543: $actionitem = 'Go to ...';
544: } else {
545: $actionitem =
546: '<form name="dirselect_'.$$numdir.
547: '" action="/adm/publish" target="_parent">'.
548: '<select name="diraction" onchange="SetPubDir(this.form,document)">'.
549: '<option selected="selected">'.&mt('Select action').'</option>'.
550: '<option value="open">'.&mt('Open').'</option>'.
551: '<option value="publish">'.&mt('Publish').'</option>'.
552: '<option value="editcat">'.&mt('Edit catalog information').'</option>'.
553: '<option value="printdir">'.&mt('Print directory').'</option>'.
554: '<option value="delete">'.&mt('Delete directory').'</option>'.
555: '</select>'.
556: '<input type="hidden" name="filename" value="'.&HTML::Entities::encode($dirpath.'/'.$dirname,'<>&"').'/" />'.
557: '<input type="hidden" name="openname" value="'.$here.'/'.$dirname.'/" />'.
558: '<input type="hidden" name="postdata" value="" />'.
559: '</form>';
560: $$numdir ++;
561: }
562: $r->print('<tr class="LC_browser_folder">'.
563: '<td><img src="'.
564: $Apache::lonnet::perlvar{'lonIconsURL'}.'/folder_closed.gif" alt="folder" /></td>'.
565: '<td>'.$actionitem.'</td>'.
566: '<td><span class="LC_filename"><a href="'.&HTML::Entities::encode($here.'/'.$dirname,'<>&"').'/" target="_parent">'.
567: $disfilename.'</a></span></td>'.
568: '<td colspan="2">'.($kaputt?&Apache::lonhtmlcommon::authorbombs($resdir.'/'.$disfilename.'/'):'').$Apache::lonpublisher::metadatafields{'title'});
569: if ($Apache::lonpublisher::metadatafields{'subject'} ne '') {
570: $r->print(' <i>'.
571: $Apache::lonpublisher::metadatafields{'subject'}.
572: '</i> ');
573: }
574: $r->print($Apache::lonpublisher::metadatafields{'keywords'}.'</td>'.
575: '<td>'.&Apache::lonlocal::locallocaltime($modtime).'</td>'.
576: "</tr>\n");
577: }
578: return OK;
579: }
580: #
581: # Put a table row for a file resource.
582: #
583: sub putresource {
584: my ($r, $udom, $uname, $filename, $thisdisfn,
585: $resdir, $targetdir, $linkdir,
586: $cmtime,$bombs,$numres) = @_;
587: &Apache::lonnet::devalidate_cache_new('meta',$targetdir.'/'.$filename);
588: my $pubstatus = 'unpublished';
589: my $status=&mt('Unpublished');
590: my $css_class='LC_browser_file';
591: my $title=' ';
592: my $publish_button=&mt('Publish');
593: my $cstr_dir = '/home/'.$uname.'/public_html/'.$thisdisfn.'/';
594: # my $action_buttons=
595: # '<br /><a target="_parent" href="/adm/cfile?action=delete&filename=/~'.
596: # $uname.'/'.$thisdisfn.'/'.$filename.'">'.
597: # &mt('Delete').'</a>';
598: if (-e $resdir.'/'.$filename) {
599: my $same=0;
600: my ($rdev,$rino,$rmode,$rnlink,
601: $ruid,$rgid,$rrdev,$rsize,
602: $ratime,$rmtime,$rctime,
603: $rblksize,$rblocks)=stat($resdir.'/'.$filename);
604: if ($rmtime>=$cmtime) {
605: $same=1;
606: } else {
607: if (&Apache::londiff::are_different_files($resdir.'/'.$filename,
608: $cstr_dir.'/'.$filename)) {
609: $same=0;
610: } else {
611: $same=1;
612: }
613: }
614: my $meta_cmtime = (stat($cstr_dir.'/'.$filename.'.meta'))[9];
615: my $meta_rmtime = (stat($resdir.'/'.$filename.'.meta'))[9];
616: my $meta_same = 1;
617: if ($meta_rmtime < $meta_cmtime
618: && &Apache::londiff::are_different_files($resdir.'/'.$filename.'.meta',
619: $cstr_dir.'/'.$filename.'.meta')) {
620: $meta_same = 0;
621: }
622: $publish_button=&mt('Re-publish');
623: my $rights_status =
624: &mt(&getCopyRightString($targetdir.'/'.$filename)).' '.
625: &mt(&getSourceRightString($targetdir.'/'.$filename));
626: $title = '<a href="/res/'.$targetdir.'/'.$filename.
627: '.meta" target="cat">'.
628: &getTitleString($targetdir.'/'.$filename).'</a>';
629: if ($same) {
630: if (&Apache::lonnet::metadata($targetdir.'/'.$filename,'obsolete')) {
631: $pubstatus = 'obsolete';
632: $status=&mt('Obsolete');
633: } else {
634: if (!$meta_same) {
635: $pubstatus = 'metamodified';
636: } else {
637: $pubstatus = 'published';
638: }
639: $status=&mt('Published').
640: '<br />'. $rights_status;
641: }
642: # } else {
643: # $action_buttons='';
644: # }
645: } else {
646: $pubstatus = 'modified';
647: $status=&mt('Modified').
648: '<br />'. $rights_status;
649: # $action_buttons='';
650: if (&Apache::loncommon::fileembstyle(($filename=~/\.(\w+)$/)) eq 'ssi') {
651: $status.='<br /><a href="/adm/diff?filename=/~'.$uname.
652: $thisdisfn.'/'.$filename.
653: '&versiontwo=priv" target="cat">'.&mt('Diffs').'</a>';
654: }
655: }
656:
657: $title.="\n".'<br /><a href="/~'.$uname.$thisdisfn.'/'.$filename.'.meta">'.
658: ($$bombs{$targetdir.'/'.$filename}?'<img src="/adm/lonMisc/bomb.gif" border="0" alt="bomb" />':'Edit Metadata').'</a>';
659:
660: if (!$meta_same) {
661: $title = &mt('Metadata Modified').'<br />'.$title.
662: '<br /><a href="/adm/diff?filename=/~'.$uname.
663: $thisdisfn.'/'.$filename.'.meta'.
664: '&versiontwo=priv" target="cat">'.&mt('Metadata Diffs').'</a>';
665: $title.="\n".'<br /><a href="/adm/retrieve?filename=/~'.$uname.
666: $thisdisfn.'/'.$filename.'.meta" target="_parent">'.&mt('Retrieve Metadata').'</a>';
667: }
668: $status.="\n".'<br /><a href="/adm/retrieve?filename=/~'.$uname.
669: $thisdisfn.'/'.$filename.'" target="_parent">'.&mt('Retrieve').'</a>';
670: }
671: my $editlink='';
672: my $editlink2='';
673: if ($filename=~/\.(xml|html|htm|xhtml|xhtm|sty)$/) {
674: $editlink=' <br />(<a href="'.$linkdir.'/'.$filename.'?forceedit=1" target="_parent">'.&mt('Edit').'</a>)';
675: }
676: if ($filename=~/\.(problem|exam|quiz|assess|survey|form|library)$/) {
677: $editlink=' (<a href="'.$linkdir.'/'.$filename.'?forceedit=1" target="_parent">'.&mt('EditXML').'</a>)';
678: $editlink2=' <br />(<a href="'.$linkdir.'/'.$filename.'?forceColoredit=1" target="_parent">'.&mt('Edit').'</a>)';
679: }
680: if ($filename=~/\.(problem|exam|quiz|assess|survey|form|library|xml|html|htm|xhtml|xhtm|sty)$/) {
681: $editlink.=' (<a href="/adm/cleanup?filename=/~'.$uname.
682: $thisdisfn.'/'.$filename.'" target="_parent">'.&mt('Clean Up').')</a>';
683: }
684: if ($filename=~/\.(zip|tar|bz2|gz|tar.gz|tar.bz2|tgz)$/) {
685: $editlink=' (<a target="_parent" href="/adm/cfile?decompress=/~'.
686: $uname.$thisdisfn.'/'.$filename.'">'.&mt('Decompress').'</a>)';
687: }
688: my $pub_select = '';
689: &create_pubselect($r,\$pub_select,$udom,$uname,$thisdisfn,$filename,$resdir,$pubstatus,$publish_button,$numres);
690: $r->print('<tr class="LC_browser_file_'.$pubstatus.'">'.
691: '<td>'.($filename=~/[\#\~]$/?' ':
692: '<img src="'.&Apache::loncommon::icon($filename).'" alt="" />').'</td>'.
693: '<td>'.$pub_select.'</td>'.
694: '<td><span class="LC_filename">'.
695: '<a href="'.$linkdir.'/'.$filename.'" target="_parent">'.
696: $filename.'</a></span>'.$editlink2.$editlink.
697: '</td>'.
698: '<td>'.$title.'</td>'.
699: '<td>'.$status.'</td>'.
700: '<td>'.&Apache::lonlocal::locallocaltime($cmtime).'</td>'.
701: "</tr>\n");
702: return OK;
703: }
704:
705: sub create_pubselect {
706: my ($r,$pub_select,$udom,$uname,$thisdisfn,$filename,$resdir,$pubstatus,$publish_button,$numres) = @_;
707: $$pub_select = '
708: <form name="resselect_'.$$numres.'" action="">
709: <select name="reschoice" onchange="SetResChoice(this.form)">
710: <option>'.&mt('Select action').'</option>'.
711: '<option value="copy">'.&mt('Copy').'</option>';
712: if ($pubstatus eq 'obsolete' || $pubstatus eq 'unpublished') {
713: $$pub_select .=
714: '<option value="rename">'.&mt('Rename').'</option>'.
715: '<option value="move">'.&mt('Move').'</option>'.
716: '<option value="delete">'.&mt('Delete').'</option>';
717: } else {
718: $$pub_select .= '
719: <option value="obsolete">'.&mt('Mark obsolete').'</option>';
720: }
721: # check for versions
722: my $versions = &check_for_versions($r,'/'.$filename,$udom,$uname);
723: if ($versions > 0) {
724: $$pub_select .='
725: <option value="retrieve">'.&mt('Retrieve old version').'</option>';
726: }
727: $$pub_select .= '
728: <option value="publish">'.$publish_button.'</option>'.
729: '<option value="cleanup">'.&mt('Clean up').'</option>'.
730: '<option value="print">'.&mt('Print').'</option>'.
731: '</select>
732: <input type="hidden" name="filename" value="/~'.
733: &HTML::Entities::encode($uname.$thisdisfn.'/'.$filename,'<>&"').'" />
734: <input type="hidden" name="dispfilename" value="'.
735: &HTML::Entities::encode($filename).'" /></form>';
736: $$numres ++;
737: }
738:
739: sub check_for_versions {
740: my ($r,$fn,$udom,$uname) = @_;
741: my $versions = 0;
742: my $docroot=$r->dir_config('lonDocRoot');
743: my $resfn=$docroot.'/res/'.$udom.'/'.$uname.$fn;
744: my $resdir=$resfn;
745: $resdir=~s/\/[^\/]+$/\//;
746: $fn=~/\/([^\/]+)\.(\w+)$/;
747: my $main=$1;
748: my $suffix=$2;
749: opendir(DIR,$resdir);
750: while (my $filename=readdir(DIR)) {
751: if ($filename=~/^\Q$main\E\.(\d+)\.\Q$suffix\E$/) {
752: $versions ++;
753: }
754: }
755: return $versions;
756: }
757:
758: #
759: # Categorize files in the directory.
760: # For each file in a list of files in a file directory,
761: # the file categorized as one of:
762: # - directory
763: # - sequence
764: # - problem
765: # - Other resource.
766: #
767: # For each file the modification date is determined as well.
768: # Returned is a list of sublists:
769: # (directories, sequences, problems, other)
770: # each of the sublists contains entries of the following form (sorted by
771: # filename):
772: # (filename, typecode, lastmodtime)
773: #
774: # $list = CategorizeFiles($location, $files)
775: # $location - Directory in which the files live (relative to our
776: # execution.
777: # $files - list of files.
778: #
779: sub CategorizeFiles {
780: my $location = shift;
781: my $files = shift;
782: }
783:
784: 1;
785: __END__
786:
787: =head1 NAME
788:
789: Apache::lonpubdir - Construction space directory lister
790:
791: =head1 SYNOPSIS
792:
793: Invoked (for various locations) by /etc/httpd/conf/srm.conf:
794:
795: <LocationMatch "^/\~.*/$">
796: PerlAccessHandler Apache::loncacc
797: SetHandler perl-script
798: PerlHandler Apache::lonpubdir
799: ErrorDocument 403 /adm/login
800: ErrorDocument 404 /adm/notfound.html
801: ErrorDocument 406 /adm/unauthorized.html
802: ErrorDocument 500 /adm/errorhandler
803: </LocationMatch>
804:
805: <Location /adm/pubdir>
806: PerlAccessHandler Apache::lonacc
807: SetHandler perl-script
808: PerlHandler Apache::lonpubdir
809: ErrorDocument 403 /adm/login
810: ErrorDocument 404 /adm/notfound.html
811: ErrorDocument 406 /adm/unauthorized.html
812: ErrorDocument 500 /adm/errorhandler
813: </Location>
814:
815: =head1 INTRODUCTION
816:
817: This module publishes a directory of files.
818:
819: This is part of the LearningOnline Network with CAPA project
820: described at http://www.lon-capa.org.
821:
822: =head1 HANDLER SUBROUTINE
823:
824: This routine is called by Apache and mod_perl.
825:
826: =over 4
827:
828: =item *
829:
830: read in information
831:
832: =item *
833:
834: start page output
835:
836: =item *
837:
838: run through list of files and attempt to publish unhidden files
839:
840: =back
841:
842: =cut
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