1: # The LearningOnline Network with CAPA
2: # Construction Space Directory Lister
3: #
4: # $Id: lonpubdir.pm,v 1.83 2005/05/29 01:46:16 www 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::lonlocal;
40: use Apache::lonmsg;
41: use Apache::lonmenu;
42: use Apache::lonnet;
43:
44: sub handler {
45:
46: my $r=shift;
47:
48: my $fn;
49:
50:
51:
52: $fn = getEffectiveUrl($r);
53:
54: # Validate access to the construction space and get username@domain.
55:
56: my $uname;
57: my $udom;
58:
59: ($uname,$udom)=
60: &Apache::loncacc::constructaccess(
61: $fn,$r->dir_config('lonDefDomain'));
62: unless (($uname) && ($udom)) {
63: $r->log_reason($uname.' at '.$udom.
64: ' trying to list directory '.$env{'form.filename'}.
65: ' ('.$fn.') - not authorized',
66: $r->filename);
67: return HTTP_NOT_ACCEPTABLE;
68: }
69:
70: # Remove trailing / from directory name.
71:
72: $fn=~s/\/$//;
73:
74: unless ($fn) {
75: $r->log_reason($env{'user.name'}.' at '.$env{'user.domain'}.
76: ' trying to list empty directory', $r->filename);
77: return HTTP_NOT_FOUND;
78: }
79:
80: # ----------------------------------------------------------- Start page output
81:
82: my $thisdisfn=$fn;
83: $thisdisfn=~s/^\/home\/$uname\/public_html//; # subdirectory part of
84: # construction space.
85: my $docroot=$r->dir_config('lonDocRoot'); # Apache londocument root.
86:
87: my $resdir=$docroot.'/res/'.$udom.'/'.$uname.$thisdisfn; # Resource directory
88: my $targetdir=$udom.'/'.$uname.$thisdisfn; # Publiction target directory.
89: my $linkdir='/priv/'.$uname.$thisdisfn; # Full URL name of constr space.
90:
91: my %bombs=&Apache::lonmsg::all_url_author_res_msg($uname,$udom);
92:
93: &startpage($r, $uname, $udom, $thisdisfn); # Put out the start of page.
94: if ($env{'environment.remote'} eq 'off') {
95: &dircontrols($r,$uname,$udom,$thisdisfn); # Put out actions for directory,
96: # browse/upload + new file page.
97: } else {
98: &pubbuttons($r,$uname,$thisdisfn);
99: }
100: &resourceactions($r,$uname,$udom,$thisdisfn); #Put out form used for printing/deletion etc.
101:
102: my $numdir = 0;
103: my $numres = 0;
104:
105: # Start off the directory table.
106: $r->print('<h3>Directory Contents:</h3>');
107: $r->print('<table border="0" cellspacing="2" cellpadding="2"><tr>'.
108: '<th bgcolor="#DDDDDD">'.&mt('Type').'</th>'.
109: '<th bgcolor="#DDDDDD">'.&mt('Actions').'</th>'.
110: '<th bgcolor="#DDDDDD">'.&mt('Name').'</th>'.
111: '<th bgcolor="#DDDDDD">'.&mt('Title').'</th>'.
112: '<th bgcolor="#DDDDDD">'.&mt('Status').'</th>'.
113: '<th bgcolor="#DDDDDD">'.&mt('Last Modified').
114: '</th></tr>');
115:
116: my $filename;
117: my $dirptr=16384; # Mask indicating a directory in stat.cmode.
118:
119: opendir(DIR,$fn);
120: my @files=sort {uc($a) cmp uc($b)} (readdir(DIR));
121: foreach my $filename (@files) {
122: my ($cdev,$cino,$cmode,$cnlink,
123: $cuid,$cgid,$crdev,$csize,
124: $catime,$cmtime,$cctime,
125: $cblksize,$cblocks)=stat($fn.'/'.$filename);
126:
127: my $extension='';
128: if ($filename=~/\.(\w+)$/) { $extension=$1; }
129: if ($cmode&$dirptr) {
130: putdirectory($r, $thisdisfn, $linkdir, $filename, $cmtime,$targetdir,\%bombs,\$numdir);
131: } elsif (&Apache::loncommon::fileembstyle($extension) ne 'hdn') {
132: putresource($r, $udom, $uname, $filename, $thisdisfn, $resdir,
133: $targetdir, $linkdir, $cmtime,\%bombs,\$numres);
134: } else {
135: # "hidden" extension and not a directory, so hide it away.
136: }
137: }
138: closedir(DIR);
139:
140: $r->print('</table></body></html>');
141: return OK;
142: }
143: #
144: # Gets the effective URL of the request and returns it:
145: # $effn = getEffectiveUrl($r);
146: # $r - The Apache Request object.
147: sub getEffectiveUrl {
148: my $r = shift;
149: my $fn;
150:
151: if ($env{'form.filename'}) { # If a form filename is defined.
152: $fn=$env{'form.filename'};
153: #
154: # Replace the ~username of the URL with /home/username/public_html
155: # so that we don't have to worry about ~ expansion internally.
156: #
157: $fn=~s/^http\:\/\/[^\/]+\///;
158: $fn=~s/^\///;
159: $fn=~s/\~(\w+)/\/home\/$1\/public_html/;
160:
161: # Remove trailing / strings (?)
162:
163: $fn=~s/\/[^\/]+$//;
164: } else {
165: # If no form is defined, use request filename.
166: $fn = $r->filename();
167: my $lonDocRoot=$r->dir_config('lonDocRoot');
168: if ( $fn =~ /$lonDocRoot/ ) {
169: #internal authentication, needs fixup.
170: $fn = $r->uri(); # non users do not get the full path request
171: # through SCRIPT_FILENAME
172: $fn=~s|^/~(\w+)|/home/$1/public_html|;
173: }
174: }
175: $fn=~s/\/+/\//g;
176: return $fn;
177: }
178: #
179: # Output the header of the page. This includes:
180: # - The HTML header
181: # - The H1/H3 stuff which includes the directory.
182: #
183: # startpage($r, $uame, $udom, $thisdisfn);
184: # $r - The apache request object.
185: # $uname - User name.
186: # $udom - Domain name the user is logged in under.
187: # $thisdisfn - Displayable version of the filename.
188:
189: sub startpage {
190: my ($r, $uname, $udom, $thisdisfn) = @_;
191: my $currdir = '/priv/'.$uname.$thisdisfn;
192: &Apache::loncommon::content_type($r,'text/html');
193: $r->send_http_header;
194: my $html=&Apache::lonxml::xmlbegin();
195: $r->print($html.'<head><title>LON-CAPA Construction Space</title></head>');
196:
197: my $pagetitle;
198: my $formaction='/priv/'.$uname.$thisdisfn.'/';
199: $formaction=~s/\/+/\//g;
200: $pagetitle .= &Apache::loncommon::help_open_menu('','','','',3,'Authoring').
201: '<font face="Arial, Helvetica, sans-serif" size="+1"><b>Construction Space</b>:</font> '.
202: '<form name="dirs" method="post" action="'.$formaction.
203: '" target="_parent"><tt><b>'.
204: &Apache::lonhtmlcommon::crumbs($uname.$thisdisfn.'/','_top','/priv','','+1',1)."</b></tt><br />".
205: &Apache::lonhtmlcommon::select_recent('construct','recent',
206: 'this.form.action=this.form.recent.value;this.form.submit()').
207: '</form>';
208: &Apache::lonhtmlcommon::store_recent('construct',$formaction,$formaction);
209: if ($env{'environment.remote'} eq 'off') {
210: $env{'request.noversionuri'}=$currdir.'/';
211: $r->print(&Apache::loncommon::bodytag('Construction Space',undef,undef,undef,undef,undef,$pagetitle));
212: } else {
213: $r->print($pagetitle);
214: }
215: my $pubdirscript=(<<ENDPUBDIRSCRIPT);
216: <script type="text/javascript">
217: top.document.title = '$thisdisfn/ - LON-CAPA Construction Space';
218: // Store directory location for menu bar to find
219:
220: parent.lastknownpriv='/~$uname$thisdisfn/';
221:
222: // Confirmation dialogues
223:
224: function currdiract(theform) {
225: if (theform.dirtask.options[theform.dirtask.selectedIndex].value == 'publish') {
226: document.publishdir.filename.value = theform.filename.value;
227: document.publishdir.submit();
228: }
229: if (theform.dirtask.options[theform.dirtask.selectedIndex].value == 'editcat') {
230: top.location=theform.filename.value+'default.meta'
231: }
232: if (theform.dirtask.options[theform.dirtask.selectedIndex].value == 'printdir' ) {
233: document.printdir.postdata.value=theform.filename.value
234: document.printdir.submit();
235: }
236: }
237:
238: function checkUpload(theform) {
239: if (theform.file == '') {
240: alert("Please use 'Browse..' to choose a file first, before uploading")
241: return
242: }
243: theform.submit()
244: }
245:
246: function SetPubDir(theform,printForm) {
247: if (theform.diraction.options[theform.diraction.selectedIndex].value == "open") {
248: top.location = theform.openname.value
249: return
250: }
251: if (theform.diraction.options[theform.diraction.selectedIndex].value == "publish") {
252: theform.submit();
253: }
254: if (theform.diraction.options[theform.diraction.selectedIndex].value == "editcat") {
255: top.location=theform.filename.value+'default.meta'
256: }
257: if (theform.diraction.options[theform.diraction.selectedIndex].value == "printdir") {
258: theform.action = '/adm/printout'
259: theform.postdata.value = theform.filename.value
260: theform.submit()
261: }
262: return
263: }
264: function SetResChoice(theform) {
265: var activity = theform.reschoice.options[theform.reschoice.selectedIndex].value
266: if ((activity == 'rename') || (activity == 'copy') || (activity == 'move')) {
267: changename(theform,activity)
268: }
269: if (activity == 'publish') {
270: var pubform = document.pubresource
271: pubform.filename.value = theform.filename.value
272: pubform.submit()
273: }
274: if (activity == 'delete') {
275: var delform = document.delresource
276: delform.filename.value = theform.filename.value
277: delform.submit()
278: }
279: if (activity == 'obsolete') {
280: var pubform = document.pubresource
281: pubform.filename.value = theform.filename.value
282: pubform.makeobsolete.value=1;
283: pubform.submit()
284: }
285: if (activity == 'print') {
286: document.printresource.postdata.value = theform.filename.value
287: document.printresource.submit()
288: }
289: if (activity == 'retrieve') {
290: document.retrieveres.filename.value = theform.filename.value
291: document.retrieveres.submit()
292: }
293: if (activity == 'cleanup') {
294: document.cleanup.filename.value = theform.filename.value
295: document.cleanup.submit()
296: }
297: return
298: }
299: function changename(theform,activity) {
300: var newname=prompt('New Name');
301: if (newname == "" || !newname) {
302: return
303: }
304: document.moveresource.newfilename.value = newname
305: document.moveresource.filename.value = theform.filename.value
306: document.moveresource.action.value = activity
307: document.moveresource.submit();
308: }
309: </script>
310: ENDPUBDIRSCRIPT
311: $r->print($pubdirscript);
312:
313: if ((($uname ne $env{'user.name'}) || ($udom ne $env{'user.domain'})) &&
314: $env{'environment.remote'} ne 'off') {
315: $r->print('<h3>'.&mt('Co-Author').': '.$uname.' at '.$udom.
316: '</h3>');
317: }
318: }
319:
320: sub dircontrols {
321: my ($r,$uname,$udom,$thisdisfn) = @_;
322: $r->print(<<END);
323: <table cellspacing="4" cellpadding="4" width="100%">
324: <tr>
325: <td bgcolor="#DDDDDD" align="middle"><font face="Arial, Helvetica, sans-serif" size="-1"><b>Actions for current directory</b></font></td>
326: <td bgcolor="#DDDDDD" align="middle"><font face="Arial, Helvetica, sans-serif" size="-1"><b>Upload a new document</b></font></td>
327: <td bgcolor="#DDDDDD" align="middle"><font face="Arial, Helvetica, sans-serif" size="-1"><b>Create a new directory or LON-CAPA document</b></font></td>
328: </tr>
329: <tr>
330: <td bgcolor="#ccddaa" valign="top" align="center">
331: <form name="curractions" method="post" action="">
332: <select name="dirtask" onChange="currdiract(this.form)">
333: <option>Select action</option>
334: <option value="publish">Publish directory</option>
335: <option value="editcat">Edit catalog information</option>
336: <option value="printdir">Print contents of directory</option>
337: </select>
338: <input type="hidden" name="filename" value="/~$uname$thisdisfn/" />
339: </form>
340: <form name="publishdir" method="post" action="/adm/publish" target="_parent">
341: <input type="hidden" name="pubrec" value="" />
342: <input type="hidden" name="filename" value="" />
343: </form>
344: <form name="printdir" method="post" action="/adm/printout" target="_parent">
345: <input type="hidden" name="postdata" value="" />
346: </form>
347: </td>
348: <td bgcolor="#ccddaa" valign="top" align="center">
349: <form name="upublisher" enctype="multipart/form-data" method="post" action="/adm/upload" target="_parent">
350: <input type="hidden" name="filename" value="/~$uname$thisdisfn/" />
351: <input type="file" name="upfile" size="20" />
352: <input type="button" value="Upload file" onclick="checkUpload(this.form)" />
353: </form>
354: </td>
355: <td bgcolor="#ccddaa" align="center">
356: <form name="fileaction" method="post" action="/adm/cfile" target="_parent">
357: <nobr>
358: <input type="hidden" name="filename" value="/~$uname$thisdisfn/" />
359: <select name="action">
360: <option>Select Action</option>
361: <option value="newfile">New file:</option>
362: <option value="newhtmlfile">New HTML file:</option>
363: <option value="newproblemfile">New problem:</option>
364: <option value="newpagefile">New assembled page:</option>
365: <option value="newsequencefile">New assembled sequence:</option>
366: <option value="newrightsfile">New custom rights file:</option>
367: <option value="newstyfile">New style file:</option>
368: <option value="newdir">New subdirectory:</option>
369: </select> <input type="text" name="newfilename" value="Type Name Here" onfocus="if (this.value == 'Type Name Here') this.value=''" /> <input type="button" value="Go" onclick="document.fileaction.submit()" />
370: </nobr>
371: </form>
372: </td>
373: </tr>
374: </table>
375: END
376: }
377:
378: sub pubbuttons {
379: my ($r,$uname,$thisdisfn) = @_;
380: $r->print('<form method="post" action="/adm/publish" target="_parent">'.
381: '<table><tr><td><input type="hidden" name="filename" value="/~'.
382: $uname.$thisdisfn.'/" />'.
383: '<input type="submit" value="'.&mt('Publish Directory').'" /></td><td>'.
384: '<input type="button" onClick="window.location='."'/~".
385: $uname.$thisdisfn."/default.meta'".'" value="'.
386: &mt('Edit Directory Catalog Information').'" /></td></tr></table></form>');
387: }
388:
389: sub resourceactions {
390: my ($r,$uname,$udom,$thisdisfn) = @_;
391: $r->print(<<END);
392: <form name="moveresource" action="/adm/cfile" target="_parent" method="post">
393: <input type="hidden" name="filename" value="" />
394: <input type="hidden" name="newfilename" value="" />
395: <input type="hidden" name="action" value="" />
396: </form>
397: <form name="delresource" action="/adm/cfile" target="_parent" method="post">
398: <input type="hidden" name="filename" value="" />
399: <input type="hidden" name="action" value="delete" />
400: </form>
401: <form name="pubresource" action="/adm/publish" target="_parent" method="post">
402: <input type="hidden" name="filename" value="" />
403: <input type="hidden" name="makeobsolete" value="0" />
404: </form>
405: <form name="printresource" action="/adm/printout" target="_parent" method="post">
406: <input type="hidden" name="postdata" value="" />
407: </form>
408: <form name="retrieveres" action="/adm/retrieve" target="_parent" method="post">
409: <input type="hidden" name="filename" value="" />
410: </form>
411: <form name="cleanup" action="/adm/cleanup" target="_parent" method="post">
412: <input type="hidden" name="filename" value="" />
413: </form>
414: END
415: }
416:
417: #
418: # Get the title string or "[untitled]" if the file has no title metadata:
419: # Without the latter substitution, it's impossible to examine metadata for
420: # untitled resources. Resources may be legitimately untitled, to prevent
421: # searches from locating them.
422: #
423: # $str = getTitleString($fullname);
424: # $fullname - Fully qualified filename to check.
425: #
426: sub getTitleString {
427: my $fullname = shift;
428: my $title = &Apache::lonnet::metadata($fullname, 'title');
429:
430: unless ($title) {
431: $title = "[".&mt('untitled')."]";
432: }
433: return $title;
434: }
435:
436: sub getCopyRightString {
437: my $fullname = shift;
438: return &Apache::lonnet::metadata($fullname, 'copyright');
439: }
440:
441: sub getSourceRightString {
442: my $fullname = shift;
443: return &Apache::lonnet::metadata($fullname, 'sourceavail');
444: }
445: #
446: # Put out a directory table row:
447: # putdirectory(r, base, here, dirname, modtime)
448: # r - Apache request object.
449: # reqfile - File in request.
450: # here - Where we are in directory tree.
451: # dirname - Name of directory special file.
452: # modtime - Encoded modification time.
453: #
454: sub putdirectory {
455: my ($r, $reqfile, $here, $dirname, $modtime, $resdir, $bombs, $numdir) = @_;
456: # construct the display filename: the directory name unless ..:
457:
458: my $disfilename = $dirname;
459: if ($dirname eq '..') {
460: $disfilename = '<i>'.&mt('Parent Directory').'</i>';
461: }
462: unless ( (($dirname eq '..') && ($reqfile eq '')) || ($dirname eq '.')) {
463: my $kaputt=0;
464: foreach (keys %{$bombs}) {
465: if ($_=~m:^\Q$resdir\E/\Q$disfilename\E/:) { $kaputt=1; last; }
466: }
467: %Apache::lonpublisher::metadatafields=();
468: %Apache::lonpublisher::metadatakeys=();
469: my $construct=$here;
470: $construct=~s:^/priv/(\w+)$:/home/$1/public_html:;
471: my $dirpath = $here;
472: $dirpath=~s:^/priv/:/~:;
473: &Apache::lonpublisher::metaeval(&Apache::lonnet::getfile(
474: $construct.'/'.$dirname.'/default.meta'
475: ));
476: my $actionitem = '';
477: if ($dirname eq '..') {
478: $actionitem = 'Go to ...';
479: } else {
480: $actionitem =
481: '<form name="dirselect_'.$$numdir.
482: '" action="/adm/publish" target="_parent">'.
483: '<select name="diraction" onChange="SetPubDir(this.form,document)">'.
484: '<option selected="selected">'.&mt('Select action').'</option>'.
485: '<option value="open">'.&mt('Open').'</option>'.
486: '<option value="publish">'.&mt('Publish').'</option>'.
487: '<option value="publishsub">'.&mt('Publish with subdirectories').'</option>'.
488: '<option value="editcat">'.&mt('Edit catalog information').'</option>'.
489: '<option value="printdir">'.&mt('Print directory').'</option>'.
490: '</select>'.
491: '<input type="hidden" name="filename" value="'.$dirpath.'/'.$dirname.'/" />'.
492: '<input type="hidden" name="openname" value="'.$here.'/'.$dirname.'/" />'.
493: '<input type="hidden" name="postdata" value="" />'.
494: '</form>';
495: $$numdir ++;
496: }
497: $r->print('<tr bgcolor="#CCCCFF">'.
498: '<td><img src="'.
499: $Apache::lonnet::perlvar{'lonIconsURL'}.'/folder_closed.gif" /></td>'.
500: '<td>'.$actionitem.'</td>'.
501: '<td><font face="arial"><a href="'.$here.'/'.$dirname.'/" target="_parent">'.
502: $disfilename.'</a></font></td>'.
503: '<td colspan="2">'.($kaputt?&Apache::lonhtmlcommon::authorbombs($resdir.'/'.$disfilename.'/'):'').$Apache::lonpublisher::metadatafields{'title'}.' <i>'.
504: $Apache::lonpublisher::metadatafields{'subject'}.'</i> '.
505: $Apache::lonpublisher::metadatafields{'keywords'}.'</td>'.
506: '<td>'.&Apache::lonlocal::locallocaltime($modtime).'</td>'.
507: "</tr>\n");
508: }
509: return OK;
510: }
511: #
512: # Put a table row for a file resource.
513: #
514: sub putresource {
515: my ($r, $udom, $uname, $filename, $thisdisfn,
516: $resdir, $targetdir, $linkdir,
517: $cmtime,$bombs,$numres) = @_;
518: &Apache::lonnet::devalidate_cache_new('meta',$targetdir.'/'.$filename);
519: my $pubstatus = 'unpublished';
520: my $status=&mt('Unpublished');
521: my $bgcolor='#FFAA99';
522: my $title=' ';
523: my $publish_button=&mt('Publish');
524: # my $action_buttons=
525: # '<br /><a target="_parent" href="/adm/cfile?action=delete&filename=/~'.
526: # $uname.'/'.$thisdisfn.'/'.$filename.'">'.
527: # &mt('Delete').'</a>';
528: if (-e $resdir.'/'.$filename) {
529: my ($rdev,$rino,$rmode,$rnlink,
530: $ruid,$rgid,$rrdev,$rsize,
531: $ratime,$rmtime,$rctime,
532: $rblksize,$rblocks)=stat($resdir.'/'.$filename);
533: $publish_button=&mt('Re-publish');
534: if ($rmtime>=$cmtime) {
535: $pubstatus = 'published';
536: $status=&mt('Published').'<br />'.
537: &mt(&getCopyRightString($targetdir.'/'.$filename)).' '.
538: &mt(&getSourceRightString($targetdir.'/'.$filename));
539: $bgcolor='#CCFF88';
540: if (&Apache::lonnet::metadata($targetdir.'/'.$filename,'obsolete')) {
541: $pubstatus = 'obsolete';
542: $status=&mt('Obsolete');
543: $bgcolor='#AAAAAA';
544: }
545: # } else {
546: # $action_buttons='';
547: # }
548: $title='<a href="/res/'.$targetdir.'/'.$filename.
549: '.meta" target="cat">'.
550: &getTitleString($targetdir.'/'.$filename).'</a>';
551: } else {
552: $pubstatus = 'modified';
553: $status=&mt('Modified').'<br />'.
554: &mt(&getCopyRightString($targetdir.'/'.$filename)).' '.
555: &mt(&getSourceRightString($targetdir.'/'.$filename));
556: $bgcolor='#FFFF77';
557: # $action_buttons='';
558: $title='<a href="/res/'.$targetdir.'/'.$filename.'.meta" target="cat">'.
559: &getTitleString($targetdir.'/'.$filename).'</a>';
560: if (&Apache::loncommon::fileembstyle(($filename=~/\.(\w+)$/)) eq 'ssi') {
561: $status.='<br /><a href="/adm/diff?filename=/~'.$uname.
562: $thisdisfn.'/'.$filename.
563: '&versiontwo=priv" target="cat">'.&mt('Diffs').'</a>';
564: }
565: }
566: $title.="\n".'<br /><a href="/~'.$uname.$thisdisfn.'/'.$filename.'.meta">'.
567: ($$bombs{$targetdir.'/'.$filename}?'<img src="/adm/lonMisc/bomb.gif" border="0" />':'Edit Metadata').'</a>';
568: $status.="\n".'<br /><a href="/adm/retrieve?filename=/~'.$uname.
569: $thisdisfn.'/'.$filename.'" target="_parent">'.&mt('Retrieve').'</a>';
570: }
571: my $editlink='';
572: my $editlink2='';
573: if ($filename=~/\.(xml|html|htm|xhtml|xhtm|sty)$/) {
574: $editlink=' <br />(<a href="'.$linkdir.'/'.$filename.'?forceedit=1" target="_parent">'.&mt('Edit').'</a>)';
575: }
576: if ($filename=~/\.(problem|exam|quiz|assess|survey|form|library)$/) {
577: $editlink=' (<a href="'.$linkdir.'/'.$filename.'?forceedit=1" target="_parent">'.&mt('EditXML').'</a>)';
578: $editlink2=' <br />(<a href="'.$linkdir.'/'.$filename.'?forceColoredit=1" target="_parent">'.&mt('Edit').'</a>)';
579: }
580: if ($filename=~/\.(problem|exam|quiz|assess|survey|form|library|xml|html|htm|xhtml|xhtm|sty)$/) {
581: $editlink.=' (<a href="/adm/cleanup?filename=/~'.$uname.
582: $thisdisfn.'/'.$filename.'" target="_parent">'.&mt('Clean Up').')</a>';
583: }
584: if ($filename=~/\.(zip|tar|bz2|gz|tar.gz|tar.bz2|tgz)$/) {
585: $editlink=' (<a target="_parent" href="/adm/cfile?decompress=/~'.
586: $uname.$thisdisfn.'/'.$filename.'">'.&mt('Decompress').'</a>)';
587: }
588: my $pub_select = '';
589: &create_pubselect($r,\$pub_select,$udom,$uname,$thisdisfn,$filename,$resdir,$pubstatus,$publish_button,$numres);
590: $r->print('<tr bgcolor="'.$bgcolor.'">'.
591: '<td>'.($filename=~/[\#\~]$/?' ':
592: '<img src="'.&Apache::loncommon::icon($filename).'" /></td>').
593: '<td>'.$pub_select.'</td>'.
594: '<td><font face="arial">'.
595: '<a href="'.$linkdir.'/'.$filename.'" target="_parent">'.
596: $filename.'</a></font>'.$editlink2.$editlink.
597: '</td>'.
598: '<td>'.$title.'</td>'.
599: '<td>'.$status.'</td>'.
600: '<td>'.&Apache::lonlocal::locallocaltime($cmtime).'</td>'.
601: "</tr>\n");
602: return OK;
603: }
604:
605: sub create_pubselect {
606: my ($r,$pub_select,$udom,$uname,$thisdisfn,$filename,$resdir,$pubstatus,$publish_button,$numres) = @_;
607: $$pub_select = '
608: <form name="resselect_'.$$numres.'" action="">
609: <select name="reschoice" onChange="SetResChoice(this.form)">
610: <option>'.&mt('Select action').'</option>'.
611: '<option value="copy">'.&mt('Copy').'</option>';
612: if ($pubstatus eq 'obsolete' || $pubstatus eq 'unpublished') {
613: $$pub_select .=
614: '<option value="rename">'.&mt('Rename').'</option>'.
615: '<option value="move">'.&mt('Move').'</option>'.
616: '<option value="delete">'.&mt('Delete').'</option>';
617: } else {
618: $$pub_select .= '
619: <option value="obsolete">'.&mt('Mark obsolete').'</option>';
620: }
621: # check for versions
622: my $versions = &check_for_versions($r,'/'.$filename,$udom,$uname);
623: if ($versions > 0) {
624: $$pub_select .='
625: <option value="retrieve">'.&mt('Retrieve old version').'</option>';
626: }
627: $$pub_select .= '
628: <option value="publish">'.$publish_button.'</option>'.
629: '<option value="cleanup">'.&mt('Clean up').'</option>'.
630: '<option value="print">'.&mt('Print').'</option>'.
631: '</select>
632: <input type="hidden" name="filename" value="/~'.
633: $uname.$thisdisfn.'/'.$filename.'" /></form>';
634: $$numres ++;
635: }
636:
637: sub check_for_versions {
638: my ($r,$fn,$udom,$uname) = @_;
639: my $versions = 0;
640: my $docroot=$r->dir_config('lonDocRoot');
641: my $resfn=$docroot.'/res/'.$udom.'/'.$uname.$fn;
642: my $resdir=$resfn;
643: $resdir=~s/\/[^\/]+$/\//;
644: $fn=~/\/([^\/]+)\.(\w+)$/;
645: my $main=$1;
646: my $suffix=$2;
647: opendir(DIR,$resdir);
648: while (my $filename=readdir(DIR)) {
649: if ($filename=~/^\Q$main\E\.(\d+)\.\Q$suffix\E$/) {
650: $versions ++;
651: }
652: }
653: return $versions;
654: }
655:
656: #
657: # Categorize files in the directory.
658: # For each file in a list of files in a file directory,
659: # the file categorized as one of:
660: # - directory
661: # - sequence
662: # - problem
663: # - Other resource.
664: #
665: # For each file the modification date is determined as well.
666: # Returned is a list of sublists:
667: # (directories, sequences, problems, other)
668: # each of the sublists contains entries of the following form (sorted by
669: # filename):
670: # (filename, typecode, lastmodtime)
671: #
672: # $list = CategorizeFiles($location, $files)
673: # $location - Directory in which the files live (relative to our
674: # execution.
675: # $files - list of files.
676: #
677: sub CategorizeFiles {
678: my $location = shift;
679: my $files = shift;
680: }
681:
682: 1;
683: __END__
684:
685: =head1 NAME
686:
687: Apache::lonpubdir - Construction space directory lister
688:
689: =head1 SYNOPSIS
690:
691: Invoked (for various locations) by /etc/httpd/conf/srm.conf:
692:
693: <LocationMatch "^/\~.*/$">
694: PerlAccessHandler Apache::loncacc
695: SetHandler perl-script
696: PerlHandler Apache::lonpubdir
697: ErrorDocument 403 /adm/login
698: ErrorDocument 404 /adm/notfound.html
699: ErrorDocument 406 /adm/unauthorized.html
700: ErrorDocument 500 /adm/errorhandler
701: </LocationMatch>
702:
703: <Location /adm/pubdir>
704: PerlAccessHandler Apache::lonacc
705: SetHandler perl-script
706: PerlHandler Apache::lonpubdir
707: ErrorDocument 403 /adm/login
708: ErrorDocument 404 /adm/notfound.html
709: ErrorDocument 406 /adm/unauthorized.html
710: ErrorDocument 500 /adm/errorhandler
711: </Location>
712:
713: =head1 INTRODUCTION
714:
715: This module publishes a directory of files.
716:
717: This is part of the LearningOnline Network with CAPA project
718: described at http://www.lon-capa.org.
719:
720: =head1 HANDLER SUBROUTINE
721:
722: This routine is called by Apache and mod_perl.
723:
724: =over 4
725:
726: =item *
727:
728: read in information
729:
730: =item *
731:
732: start page output
733:
734: =item *
735:
736: run through list of files and attempt to publish unhidden files
737:
738: =back
739:
740: =cut
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