1: # The LearningOnline Network with CAPA
2: # Construction Space Directory Lister
3: #
4: # $Id: lonpubdir.pm,v 1.106 2008/01/16 12:08:04 bisitz 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(&mt('Construction Space'),undef,
211: {'body_title' =>
212: $pagetitle,}));
213: } else {
214: $r->print(&Apache::loncommon::start_page(&mt('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/ - '.&mt('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: my $mytype = $lt{'type'}; # avoid conflict with " and ' in javascript
373: $r->print(<<END);
374: <table id="LC_cstr_controls">
375: <tr>
376: <th>$lt{'acti'}</th>
377: <th>$lt{'updc'}</th>
378: <th>$lt{'crea'}</th>
379: </tr>
380: <tr>
381: <td>
382: <form name="curractions" method="post" action="">
383: <select name="dirtask" onchange="currdiract(this.form)">
384: <option>$lt{'sela'}</option>
385: <option value="publish">$lt{'pubd'}</option>
386: <option value="editcat">$lt{'edit'}</option>
387: <option value="printdir">$lt{'prnt'}</option>
388: <option value="delete">$lt{'dedr'}</option>
389: </select>
390: <input type="hidden" name="filename" value="/~$uname$thisdisfn/" />
391: </form>
392: <form name="publishdir" method="post" action="/adm/publish" target="_parent">
393: <input type="hidden" name="pubrec" value="" />
394: <input type="hidden" name="filename" value="" />
395: </form>
396: <form name="printdir" method="post" action="/adm/printout" target="_parent">
397: <input type="hidden" name="postdata" value="" />
398: </form>
399: </td>
400: <td>
401: <form name="upublisher" enctype="multipart/form-data" method="post" action="/adm/upload" target="_parent">
402: <input type="hidden" name="filename" value="/~$uname$thisdisfn/" />
403: <input type="file" name="upfile" size="20" />
404: <input type="button" value="$lt{'uplo'}" onclick="checkUpload(this.form)" />
405: </form>
406: </td>
407: <td>
408: <form name="fileaction" method="post" action="/adm/cfile" target="_parent">
409: <span style="white-space: nowrap">
410: <input type="hidden" name="filename" value="/~$uname$thisdisfn/" />
411: <script type="text/javascript">
412: function validate_go() {
413: var selected = document.fileaction.action.selectedIndex;
414: if (selected == 0) {
415: alert('$lt{'pick'}');
416: } else {
417: document.fileaction.submit();
418: }
419: }
420: </script>
421: <select name="action">
422: <option value="none">$lt{'sela'}</option>
423: <option value="newfile">$lt{'nfil'}:</option>
424: <option value="newhtmlfile">$lt{'nhtm'}:</option>
425: <option value="newproblemfile">$lt{'nprb'}:</option>
426: <option value="newpagefile">$lt{'npag'}:</option>
427: <option value="newsequencefile">$lt{'nseq'}:</option>
428: <option value="newrightsfile">$lt{'ncrf'}:</option>
429: <option value="newstyfile">$lt{'nsty'}:</option>
430: <option value="newtaskfile">$lt{'nbt'}:</option>
431: <option value="newlibraryfile">$lt{'nlib'}:</option>
432: <option value="newdir">$lt{'nsub'}:</option>
433: </select> <input type="text" name="newfilename" value="$lt{'type'}" onfocus="if (this.value == '$mytype') this.value=''" /> <input type="button" value="Go" onclick="validate_go();" />
434: </span>
435: </form>
436: </td>
437: </tr>
438: </table>
439: END
440: }
441:
442: sub pubbuttons {
443: my ($r,$uname,$thisdisfn) = @_;
444: $r->print('<form method="post" action="/adm/publish" target="_parent">'.
445: '<table><tr><td><input type="hidden" name="filename" value="/~'.
446: $uname.$thisdisfn.'/" />'.
447: '<input type="submit" value="'.&mt('Publish Directory').'" /></td><td>'.
448: '<input type="button" onclick="window.location='."'/~".
449: $uname.$thisdisfn."/default.meta'".'" value="'.
450: &mt('Edit Directory Catalog Information').'" /></td></tr></table></form>');
451: }
452:
453: sub resourceactions {
454: my ($r,$uname,$udom,$thisdisfn) = @_;
455: $r->print(<<END);
456: <form name="moveresource" action="/adm/cfile" target="_parent" method="post">
457: <input type="hidden" name="filename" value="" />
458: <input type="hidden" name="newfilename" value="" />
459: <input type="hidden" name="action" value="" />
460: </form>
461: <form name="delresource" action="/adm/cfile" target="_parent" method="post">
462: <input type="hidden" name="filename" value="" />
463: <input type="hidden" name="action" value="delete" />
464: </form>
465: <form name="pubresource" action="/adm/publish" target="_parent" method="post">
466: <input type="hidden" name="filename" value="" />
467: <input type="hidden" name="makeobsolete" value="0" />
468: </form>
469: <form name="printresource" action="/adm/printout" target="_parent" method="post">
470: <input type="hidden" name="postdata" value="" />
471: </form>
472: <form name="retrieveres" action="/adm/retrieve" target="_parent" method="post">
473: <input type="hidden" name="filename" value="" />
474: </form>
475: <form name="cleanup" action="/adm/cleanup" target="_parent" method="post">
476: <input type="hidden" name="filename" value="" />
477: </form>
478: END
479: }
480:
481: #
482: # Get the title string or "[untitled]" if the file has no title metadata:
483: # Without the latter substitution, it's impossible to examine metadata for
484: # untitled resources. Resources may be legitimately untitled, to prevent
485: # searches from locating them.
486: #
487: # $str = getTitleString($fullname);
488: # $fullname - Fully qualified filename to check.
489: #
490: sub getTitleString {
491: my $fullname = shift;
492: my $title = &Apache::lonnet::metadata($fullname, 'title');
493:
494: unless ($title) {
495: $title = "[".&mt('untitled')."]";
496: }
497: return $title;
498: }
499:
500: sub getCopyRightString {
501: my $fullname = shift;
502: return &Apache::lonnet::metadata($fullname, 'copyright');
503: }
504:
505: sub getSourceRightString {
506: my $fullname = shift;
507: return &Apache::lonnet::metadata($fullname, 'sourceavail');
508: }
509: #
510: # Put out a directory table row:
511: # putdirectory(r, base, here, dirname, modtime)
512: # r - Apache request object.
513: # reqfile - File in request.
514: # here - Where we are in directory tree.
515: # dirname - Name of directory special file.
516: # modtime - Encoded modification time.
517: #
518: sub putdirectory {
519: my ($r, $reqfile, $here, $dirname, $modtime, $resdir, $bombs, $numdir) = @_;
520: # construct the display filename: the directory name unless ..:
521:
522: my $disfilename = $dirname;
523: if ($dirname eq '..') {
524: $disfilename = '<i>'.&mt('Parent Directory').'</i>';
525: }
526: unless ( (($dirname eq '..') && ($reqfile eq '')) || ($dirname eq '.')) {
527: my $kaputt=0;
528: foreach (keys %{$bombs}) {
529: if ($_=~m:^\Q$resdir\E/\Q$disfilename\E/:) { $kaputt=1; last; }
530: }
531: %Apache::lonpublisher::metadatafields=();
532: %Apache::lonpublisher::metadatakeys=();
533: my $construct=$here;
534: $construct=~s{^/priv/($LONCAPA::username_re)$}{/home/$1/public_html};
535: my $dirpath = $here;
536: $dirpath=~s{^/priv/}{/~};
537: &Apache::lonpublisher::metaeval(&Apache::lonnet::getfile(
538: $construct.'/'.$dirname.'/default.meta'
539: ));
540: my $actionitem = '';
541: if ($dirname eq '..') {
542: $actionitem = 'Go to ...';
543: } else {
544: $actionitem =
545: '<form name="dirselect_'.$$numdir.
546: '" action="/adm/publish" target="_parent">'.
547: '<select name="diraction" onchange="SetPubDir(this.form,document)">'.
548: '<option selected="selected">'.&mt('Select action').'</option>'.
549: '<option value="open">'.&mt('Open').'</option>'.
550: '<option value="publish">'.&mt('Publish').'</option>'.
551: '<option value="editcat">'.&mt('Edit catalog information').'</option>'.
552: '<option value="printdir">'.&mt('Print directory').'</option>'.
553: '<option value="delete">'.&mt('Delete directory').'</option>'.
554: '</select>'.
555: '<input type="hidden" name="filename" value="'.&HTML::Entities::encode($dirpath.'/'.$dirname,'<>&"').'/" />'.
556: '<input type="hidden" name="openname" value="'.$here.'/'.$dirname.'/" />'.
557: '<input type="hidden" name="postdata" value="" />'.
558: '</form>';
559: $$numdir ++;
560: }
561: $r->print('<tr class="LC_browser_folder">'.
562: '<td><img src="'.
563: $Apache::lonnet::perlvar{'lonIconsURL'}.'/folder_closed.gif" alt="folder" /></td>'.
564: '<td>'.$actionitem.'</td>'.
565: '<td><span class="LC_filename"><a href="'.&HTML::Entities::encode($here.'/'.$dirname,'<>&"').'/" target="_parent">'.
566: $disfilename.'</a></span></td>'.
567: '<td colspan="2">'.($kaputt?&Apache::lonhtmlcommon::authorbombs($resdir.'/'.$disfilename.'/'):'').$Apache::lonpublisher::metadatafields{'title'});
568: if ($Apache::lonpublisher::metadatafields{'subject'} ne '') {
569: $r->print(' <i>'.
570: $Apache::lonpublisher::metadatafields{'subject'}.
571: '</i> ');
572: }
573: $r->print($Apache::lonpublisher::metadatafields{'keywords'}.'</td>'.
574: '<td>'.&Apache::lonlocal::locallocaltime($modtime).'</td>'.
575: "</tr>\n");
576: }
577: return OK;
578: }
579: #
580: # Put a table row for a file resource.
581: #
582: sub putresource {
583: my ($r, $udom, $uname, $filename, $thisdisfn,
584: $resdir, $targetdir, $linkdir,
585: $cmtime,$bombs,$numres) = @_;
586: &Apache::lonnet::devalidate_cache_new('meta',$targetdir.'/'.$filename);
587: my $pubstatus = 'unpublished';
588: my $status=&mt('Unpublished');
589: my $css_class='LC_browser_file';
590: my $title=' ';
591: my $publish_button=&mt('Publish');
592: my $cstr_dir = '/home/'.$uname.'/public_html/'.$thisdisfn.'/';
593: # my $action_buttons=
594: # '<br /><a target="_parent" href="/adm/cfile?action=delete&filename=/~'.
595: # $uname.'/'.$thisdisfn.'/'.$filename.'">'.
596: # &mt('Delete').'</a>';
597: if (-e $resdir.'/'.$filename) {
598: my $same=0;
599: my ($rdev,$rino,$rmode,$rnlink,
600: $ruid,$rgid,$rrdev,$rsize,
601: $ratime,$rmtime,$rctime,
602: $rblksize,$rblocks)=stat($resdir.'/'.$filename);
603: if ($rmtime>=$cmtime) {
604: $same=1;
605: } else {
606: if (&Apache::londiff::are_different_files($resdir.'/'.$filename,
607: $cstr_dir.'/'.$filename)) {
608: $same=0;
609: } else {
610: $same=1;
611: }
612: }
613: my $meta_cmtime = (stat($cstr_dir.'/'.$filename.'.meta'))[9];
614: my $meta_rmtime = (stat($resdir.'/'.$filename.'.meta'))[9];
615: my $meta_same = 1;
616: if ($meta_rmtime < $meta_cmtime
617: && &Apache::londiff::are_different_files($resdir.'/'.$filename.'.meta',
618: $cstr_dir.'/'.$filename.'.meta')) {
619: $meta_same = 0;
620: }
621: $publish_button=&mt('Re-publish');
622: my $rights_status =
623: &mt(&getCopyRightString($targetdir.'/'.$filename)).' '.
624: &mt(&getSourceRightString($targetdir.'/'.$filename));
625: $title = '<a href="/res/'.$targetdir.'/'.$filename.
626: '.meta" target="cat">'.
627: &getTitleString($targetdir.'/'.$filename).'</a>';
628: if ($same) {
629: if (&Apache::lonnet::metadata($targetdir.'/'.$filename,'obsolete')) {
630: $pubstatus = 'obsolete';
631: $status=&mt('Obsolete');
632: } else {
633: if (!$meta_same) {
634: $pubstatus = 'metamodified';
635: } else {
636: $pubstatus = 'published';
637: }
638: $status=&mt('Published').
639: '<br />'. $rights_status;
640: }
641: # } else {
642: # $action_buttons='';
643: # }
644: } else {
645: $pubstatus = 'modified';
646: $status=&mt('Modified').
647: '<br />'. $rights_status;
648: # $action_buttons='';
649: if (&Apache::loncommon::fileembstyle(($filename=~/\.(\w+)$/)) eq 'ssi') {
650: $status.='<br /><a href="/adm/diff?filename=/~'.$uname.
651: $thisdisfn.'/'.$filename.
652: '&versiontwo=priv" target="cat">'.&mt('Diffs').'</a>';
653: }
654: }
655:
656: $title.="\n".'<br /><a href="/~'.$uname.$thisdisfn.'/'.$filename.'.meta">'.
657: ($$bombs{$targetdir.'/'.$filename}?'<img src="/adm/lonMisc/bomb.gif" border="0" alt="bomb" />':'Edit Metadata').'</a>';
658:
659: if (!$meta_same) {
660: $title = &mt('Metadata Modified').'<br />'.$title.
661: '<br /><a href="/adm/diff?filename=/~'.$uname.
662: $thisdisfn.'/'.$filename.'.meta'.
663: '&versiontwo=priv" target="cat">'.&mt('Metadata Diffs').'</a>';
664: $title.="\n".'<br /><a href="/adm/retrieve?filename=/~'.$uname.
665: $thisdisfn.'/'.$filename.'.meta" target="_parent">'.&mt('Retrieve Metadata').'</a>';
666: }
667: $status.="\n".'<br /><a href="/adm/retrieve?filename=/~'.$uname.
668: $thisdisfn.'/'.$filename.'" target="_parent">'.&mt('Retrieve').'</a>';
669: }
670: my $editlink='';
671: my $editlink2='';
672: if ($filename=~/\.(xml|html|htm|xhtml|xhtm|sty)$/) {
673: $editlink=' <br />(<a href="'.$linkdir.'/'.$filename.'?forceedit=1" target="_parent">'.&mt('Edit').'</a>)';
674: }
675: if ($filename=~/\.(problem|exam|quiz|assess|survey|form|library)$/) {
676: $editlink=' (<a href="'.$linkdir.'/'.$filename.'?forceedit=1" target="_parent">'.&mt('EditXML').'</a>)';
677: $editlink2=' <br />(<a href="'.$linkdir.'/'.$filename.'?forceColoredit=1" target="_parent">'.&mt('Edit').'</a>)';
678: }
679: if ($filename=~/\.(problem|exam|quiz|assess|survey|form|library|xml|html|htm|xhtml|xhtm|sty)$/) {
680: $editlink.=' (<a href="/adm/cleanup?filename=/~'.$uname.
681: $thisdisfn.'/'.$filename.'" target="_parent">'.&mt('Clean Up').')</a>';
682: }
683: if ($filename=~/\.(zip|tar|bz2|gz|tar.gz|tar.bz2|tgz)$/) {
684: $editlink=' (<a target="_parent" href="/adm/cfile?decompress=/~'.
685: $uname.$thisdisfn.'/'.$filename.'">'.&mt('Decompress').'</a>)';
686: }
687: my $pub_select = '';
688: &create_pubselect($r,\$pub_select,$udom,$uname,$thisdisfn,$filename,$resdir,$pubstatus,$publish_button,$numres);
689: $r->print('<tr class="LC_browser_file_'.$pubstatus.'">'.
690: '<td>'.($filename=~/[\#\~]$/?' ':
691: '<img src="'.&Apache::loncommon::icon($filename).'" alt="" />').'</td>'.
692: '<td>'.$pub_select.'</td>'.
693: '<td><span class="LC_filename">'.
694: '<a href="'.$linkdir.'/'.$filename.'" target="_parent">'.
695: $filename.'</a></span>'.$editlink2.$editlink.
696: '</td>'.
697: '<td>'.$title.'</td>'.
698: '<td>'.$status.'</td>'.
699: '<td>'.&Apache::lonlocal::locallocaltime($cmtime).'</td>'.
700: "</tr>\n");
701: return OK;
702: }
703:
704: sub create_pubselect {
705: my ($r,$pub_select,$udom,$uname,$thisdisfn,$filename,$resdir,$pubstatus,$publish_button,$numres) = @_;
706: $$pub_select = '
707: <form name="resselect_'.$$numres.'" action="">
708: <select name="reschoice" onchange="SetResChoice(this.form)">
709: <option>'.&mt('Select action').'</option>'.
710: '<option value="copy">'.&mt('Copy').'</option>';
711: if ($pubstatus eq 'obsolete' || $pubstatus eq 'unpublished') {
712: $$pub_select .=
713: '<option value="rename">'.&mt('Rename').'</option>'.
714: '<option value="move">'.&mt('Move').'</option>'.
715: '<option value="delete">'.&mt('Delete').'</option>';
716: } else {
717: $$pub_select .= '
718: <option value="obsolete">'.&mt('Mark obsolete').'</option>';
719: }
720: # check for versions
721: my $versions = &check_for_versions($r,'/'.$filename,$udom,$uname);
722: if ($versions > 0) {
723: $$pub_select .='
724: <option value="retrieve">'.&mt('Retrieve old version').'</option>';
725: }
726: $$pub_select .= '
727: <option value="publish">'.$publish_button.'</option>'.
728: '<option value="cleanup">'.&mt('Clean up').'</option>'.
729: '<option value="print">'.&mt('Print').'</option>'.
730: '</select>
731: <input type="hidden" name="filename" value="/~'.
732: &HTML::Entities::encode($uname.$thisdisfn.'/'.$filename,'<>&"').'" />
733: <input type="hidden" name="dispfilename" value="'.
734: &HTML::Entities::encode($filename).'" /></form>';
735: $$numres ++;
736: }
737:
738: sub check_for_versions {
739: my ($r,$fn,$udom,$uname) = @_;
740: my $versions = 0;
741: my $docroot=$r->dir_config('lonDocRoot');
742: my $resfn=$docroot.'/res/'.$udom.'/'.$uname.$fn;
743: my $resdir=$resfn;
744: $resdir=~s/\/[^\/]+$/\//;
745: $fn=~/\/([^\/]+)\.(\w+)$/;
746: my $main=$1;
747: my $suffix=$2;
748: opendir(DIR,$resdir);
749: while (my $filename=readdir(DIR)) {
750: if ($filename=~/^\Q$main\E\.(\d+)\.\Q$suffix\E$/) {
751: $versions ++;
752: }
753: }
754: return $versions;
755: }
756:
757: #
758: # Categorize files in the directory.
759: # For each file in a list of files in a file directory,
760: # the file categorized as one of:
761: # - directory
762: # - sequence
763: # - problem
764: # - Other resource.
765: #
766: # For each file the modification date is determined as well.
767: # Returned is a list of sublists:
768: # (directories, sequences, problems, other)
769: # each of the sublists contains entries of the following form (sorted by
770: # filename):
771: # (filename, typecode, lastmodtime)
772: #
773: # $list = CategorizeFiles($location, $files)
774: # $location - Directory in which the files live (relative to our
775: # execution.
776: # $files - list of files.
777: #
778: sub CategorizeFiles {
779: my $location = shift;
780: my $files = shift;
781: }
782:
783: 1;
784: __END__
785:
786: =head1 NAME
787:
788: Apache::lonpubdir - Construction space directory lister
789:
790: =head1 SYNOPSIS
791:
792: Invoked (for various locations) by /etc/httpd/conf/srm.conf:
793:
794: <LocationMatch "^/\~.*/$">
795: PerlAccessHandler Apache::loncacc
796: SetHandler perl-script
797: PerlHandler Apache::lonpubdir
798: ErrorDocument 403 /adm/login
799: ErrorDocument 404 /adm/notfound.html
800: ErrorDocument 406 /adm/unauthorized.html
801: ErrorDocument 500 /adm/errorhandler
802: </LocationMatch>
803:
804: <Location /adm/pubdir>
805: PerlAccessHandler Apache::lonacc
806: SetHandler perl-script
807: PerlHandler Apache::lonpubdir
808: ErrorDocument 403 /adm/login
809: ErrorDocument 404 /adm/notfound.html
810: ErrorDocument 406 /adm/unauthorized.html
811: ErrorDocument 500 /adm/errorhandler
812: </Location>
813:
814: =head1 INTRODUCTION
815:
816: This module publishes a directory of files.
817:
818: This is part of the LearningOnline Network with CAPA project
819: described at http://www.lon-capa.org.
820:
821: =head1 HANDLER SUBROUTINE
822:
823: This routine is called by Apache and mod_perl.
824:
825: =over 4
826:
827: =item *
828:
829: read in information
830:
831: =item *
832:
833: start page output
834:
835: =item *
836:
837: run through list of files and attempt to publish unhidden files
838:
839: =back
840:
841: =cut
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