1: # The LearningOnline Network with CAPA
2: # Construction Space Directory Lister
3: #
4: # $Id: lonpubdir.pm,v 1.68 2004/12/02 19:45:39 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::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: }
98: &resourceactions($r,$uname,$udom,$thisdisfn); #Put out form used for printing/deletion etc.
99:
100: my $numdir = 0;
101: my $numres = 0;
102:
103: # Start off the directory table.
104: $r->print('<h3>Directory Contents:</h3>');
105: $r->print('<table border="0" cellspacing="2" cellpadding="2"><tr>'.
106: '<th bgcolor="#DDDDDD">'.&mt('Type').'</th>'.
107: '<th bgcolor="#DDDDDD">'.&mt('Actions').'</th>'.
108: '<th bgcolor="#DDDDDD">'.&mt('Name').'</th>'.
109: '<th bgcolor="#DDDDDD">'.&mt('Title').'</th>'.
110: '<th bgcolor="#DDDDDD">'.&mt('Status').'</th>'.
111: '<th bgcolor="#DDDDDD">'.&mt('Last Modified').
112: '</th></tr>');
113:
114: my $filename;
115: my $dirptr=16384; # Mask indicating a directory in stat.cmode.
116:
117: opendir(DIR,$fn);
118: my @files=sort {uc($a) cmp uc($b)} (readdir(DIR));
119: foreach my $filename (@files) {
120: my ($cdev,$cino,$cmode,$cnlink,
121: $cuid,$cgid,$crdev,$csize,
122: $catime,$cmtime,$cctime,
123: $cblksize,$cblocks)=stat($fn.'/'.$filename);
124:
125: my $extension='';
126: if ($filename=~/\.(\w+)$/) { $extension=$1; }
127: if ($cmode&$dirptr) {
128: putdirectory($r, $thisdisfn, $linkdir, $filename, $cmtime,$targetdir,\%bombs,\$numdir);
129: } elsif (&Apache::loncommon::fileembstyle($extension) ne 'hdn') {
130: putresource($r, $udom, $uname, $filename, $thisdisfn, $resdir,
131: $targetdir, $linkdir, $cmtime,\%bombs,\$numres);
132: } else {
133: # "hidden" extension and not a directory, so hide it away.
134: }
135: }
136: closedir(DIR);
137:
138: $r->print('</table></body></html>');
139: return OK;
140: }
141: #
142: # Gets the effective URL of the request and returns it:
143: # $effn = getEffectiveUrl($r);
144: # $r - The Apache Request object.
145: sub getEffectiveUrl {
146: my $r = shift;
147: my $fn;
148:
149: if ($ENV{'form.filename'}) { # If a form filename is defined.
150: $fn=$ENV{'form.filename'};
151: #
152: # Replace the ~username of the URL with /home/username/public_html
153: # so that we don't have to worry about ~ expansion internally.
154: #
155: $fn=~s/^http\:\/\/[^\/]+\///;
156: $fn=~s/^\///;
157: $fn=~s/\~(\w+)/\/home\/$1\/public_html/;
158:
159: # Remove trailing / strings (?)
160:
161: $fn=~s/\/[^\/]+$//;
162: } else {
163: # If no form is defined, use request filename.
164: $fn = $r->filename();
165: my $lonDocRoot=$r->dir_config('lonDocRoot');
166: if ( $fn =~ /$lonDocRoot/ ) {
167: #internal authentication, needs fixup.
168: $fn = $r->uri(); # non users do not get the full path request
169: # through SCRIPT_FILENAME
170: $fn=~s|^/~(\w+)|/home/$1/public_html|;
171: }
172: }
173: $fn=~s/\/+/\//g;
174: return $fn;
175: }
176: #
177: # Output the header of the page. This includes:
178: # - The HTML header
179: # - The H1/H3 stuff which includes the directory.
180: #
181: # startpage($r, $uame, $udom, $thisdisfn);
182: # $r - The apache request object.
183: # $uname - User name.
184: # $udom - Domain name the user is logged in under.
185: # $thisdisfn - Displayable version of the filename.
186:
187: sub startpage {
188: my ($r, $uname, $udom, $thisdisfn) = @_;
189: my $currdir = '/priv/'.$uname.$thisdisfn;
190: &Apache::loncommon::content_type($r,'text/html');
191: $r->send_http_header;
192:
193: $r->print('<html><head><title>LON-CAPA Construction Space</title></head>');
194:
195: my $pagetitle;
196: my $formaction='/priv/'.$uname.$thisdisfn.'/';
197: $formaction=~s/\/+/\//g;
198: $pagetitle .= &Apache::loncommon::help_open_menu('','','','',3,'Authoring').
199: '<font face="Arial, Helvetica, sans-serif" size="+1"><b>Construction Space</b>:</font> '.
200: '<form name="dirs" method="post" action="'.$formaction.
201: '" target="_parent"><tt><b>'.
202: &Apache::lonhtmlcommon::crumbs($uname.$thisdisfn.'/','_top','/priv','','+1',1)."</b></tt><br />".
203: &Apache::lonhtmlcommon::select_recent('construct','recent',
204: 'this.form.action=this.form.recent.value;this.form.submit()').
205: '</form>';
206: &Apache::lonhtmlcommon::store_recent('construct',$formaction,$formaction);
207: if ($ENV{'environment.remote'} eq 'off') {
208: $ENV{'request.noversionuri'}=$currdir.'/';
209: $r->print(&Apache::loncommon::bodytag('Construction Space',undef,undef,undef,undef,undef,$pagetitle));
210: } else {
211: $r->print($pagetitle);
212: }
213: my $pubdirscript=(<<ENDPUBDIRSCRIPT);
214: <script>
215: // Store directory location for menu bar to find
216:
217: parent.lastknownpriv='/~$uname$thisdisfn/';
218:
219: // Confirmation dialogues
220:
221: function currdiract(theform) {
222: if (theform.dirtask.options[theform.dirtask.selectedIndex].value == 'publish') {
223: document.publishdir.filename.value = theform.filename.value
224: pubdir(document.publishdir)
225: }
226: if (theform.dirtask.options[theform.dirtask.selectedIndex].value == 'publishsub') {
227: document.publishdir.filename.value = theform.filename.value
228: pubrecdir(document.publishdir)
229: }
230: if (theform.dirtask.options[theform.dirtask.selectedIndex].value == 'editcat') {
231: top.location=theform.filename.value+'default.meta'
232: }
233: if (theform.dirtask.options[theform.dirtask.selectedIndex].value == 'printdir' ) {
234: document.printdir.postdata.value=theform.filename.value
235: document.printdir.submit();
236: }
237: }
238:
239: function pubdir(theform) {
240: if (confirm('Publish complete directory?')) {
241: forcepub(theform)
242: theform.submit();
243: }
244: }
245: function pubrecdir(theform) {
246: if (confirm('Publish directory and all subdirectories?')) {
247: forcepub(theform);
248: theform.pubrec.value='1';
249: theform.submit();
250: }
251: }
252:
253: function forcepub(theform) {
254: if (confirm('Force publication of unmodified files? - OK=yes; Cancel=No.')) {
255: theform.forcerepub.value="ON";
256: }
257: }
258:
259: function checkUpload(theform) {
260: if (theform.file == '') {
261: alert("Please use 'Browse..' to choose a file first, before uploading")
262: return
263: }
264: theform.submit()
265: }
266:
267: function SetPubDir(theform,printForm) {
268: if (theform.diraction.options[theform.diraction.selectedIndex].value == "open") {
269: top.location = theform.filename.value
270: return
271: }
272: if (theform.diraction.options[theform.diraction.selectedIndex].value == "publish") {
273: pubdir(theform)
274: }
275: if (theform.diraction.options[theform.diraction.selectedIndex].value == "publishsub") {
276: pubrecdir(theform)
277: }
278: if (theform.diraction.options[theform.diraction.selectedIndex].value == "editcat") {
279: top.location=theform.filename.value+'default.meta'
280: }
281: if (theform.diraction.options[theform.diraction.selectedIndex].value == "printdir") {
282: theform.action = '/adm/printout'
283: theform.postdata.value = theform.filename.value
284: theform.submit()
285: }
286: return
287: }
288: function SetResChoice(theform) {
289: var activity = theform.reschoice.options[theform.reschoice.selectedIndex].value
290: if ((activity == 'rename') || (activity == 'copy') || (activity == 'move')) {
291: changename(theform,activity)
292: }
293: if (activity == 'publish') {
294: var pubform = document.pubresource
295: pubform.filename.value = theform.filename.value
296: pubform.submit()
297: }
298: if (activity == 'delete') {
299: var delform = document.delresource
300: delform.filename.value = theform.filename.value
301: if (confirm("Are you sure you want to delete "+theform.filename.value+"?")) {
302: delform.submit()
303: }
304: }
305: if (activity == 'obsolete') {
306: var pubform = document.pubresource
307: pubform.filename.value = theform.filename.value
308: alert("You will be taken to the publication page.\\nCheck the 'Obsolete' checkbox at the bottom of the page, and click 'Finalize Publication'.")
309: pubform.submit()
310: }
311: if (activity == 'print') {
312: document.printresource.postdata.value = theform.filename.value
313: document.printresource.submit()
314: }
315: if (activity == 'retrieve') {
316: document.retrieveres.filename.value = theform.filename.value
317: document.retrieveres.submit()
318: }
319: return
320: }
321: function changename(theform,activity) {
322: var newname=prompt('New Name');
323: if (newname == "" || !newname) {
324: return
325: }
326: document.moveresource.newfilename.value = newname
327: document.moveresource.filename.value = theform.filename.value
328: document.moveresource.action.value = activity
329: document.moveresource.submit();
330: }
331: </script>
332: ENDPUBDIRSCRIPT
333: $r->print($pubdirscript);
334:
335: if (($uname ne $ENV{'user.name'}) || ($udom ne $ENV{'user.domain'})) {
336: $r->print('<h3>'.&mt('Co-Author').': '.$uname.' at '.$udom.
337: '</h3>');
338: }
339: }
340:
341: sub dircontrols {
342: my ($r,$uname,$udom,$thisdisfn) = @_;
343: $r->print(<<END);
344: <table cellspacing="4" cellpadding="4" width="100%">
345: <tr>
346: <td bgcolor="#DDDDDD" align="middle"><font face="Arial, Helvetica, sans-serif" size="-1"><b>Actions for current directory</b></font></td>
347: <td bgcolor="#DDDDDD" align="middle"><font face="Arial, Helvetica, sans-serif" size="-1"><b>Upload a new document</b></font></td>
348: <td bgcolor="#DDDDDD" align="middle"><font face="Arial, Helvetica, sans-serif" size="-1"><b>Create a new directory or LON-CAPA document</b></font></td>
349: </tr>
350: <tr>
351: <td bgcolor="#ccddaa" valign="top" align="center">
352: <form name="curractions" method="post" action="">
353: <select name="dirtask" onChange="currdiract(this.form)">
354: <option>Select action</option>
355: <option value="publish">Publish directory</option>
356: <option value="publishsub">Publish with subdirectories</option>
357: <option value="editcat">Edit catalog information</option>
358: <option value="printdir">Print contents of directory</option>
359: </select>
360: <input type="hidden" name="filename" value="/~$uname$thisdisfn/" />
361: </form>
362: <form name="publishdir" method="post" action="/adm/publish" target="_parent">
363: <input type="hidden" name="pubrec" value="" />
364: <input type="hidden" name="filename" value="" />
365: <input type="hidden" name="forcerepub" value="NO" />
366: </form>
367: <form name="printdir" method="post" action="/adm/printout" target="_parent">
368: <input type="hidden" name="postdata" value="" />
369: </form>
370: </td>
371: <td bgcolor="#ccddaa" valign="top" align="center">
372: <form name="upublisher" enctype="multipart/form-data" method="post" action="/adm/upload" target="_parent">
373: <input type="hidden" name="filename" value="/~$uname$thisdisfn/" />
374: <input type="file" name="upfile" size="20" />
375: <input type="button" value="Upload file" onclick="checkUpload(this.form)" />
376: </form>
377: </td>
378: <td bgcolor="#ccddaa" align="center">
379: <form name="fileaction" method="post" action="/adm/cfile" target="_parent">
380: <nobr>
381: <input type="hidden" name="filename" value="/~$uname$thisdisfn/" />
382: <select name="action">
383: <option>Select action</option>
384: <option value="newfile">New file:</option>
385: <option value="newhtmlfile">New HTML file:</option>
386: <option value="newproblemfile">New problem:</option>
387: <option value="newpagefile">New assembled page:</option>
388: <option value="newsequencefile">New assembled sequence:</option>
389: <option value="newrightsfile">New custom rights file:</option>
390: <option value="newstyfile">New style file:</option>
391: <option value="newdir">New subdirectory:</option>
392: </select> <input type="text" name="newfilename" value="Type Name Here" onfocus="if (this.value == 'Type Name Here') this.value=''" /> <input type="button" value="Go" onclick="document.fileaction.submit()" />
393: </nobr>
394: </form>
395: </td>
396: </tr>
397: </table>
398: END
399: }
400:
401: sub resourceactions {
402: my ($r,$uname,$udom,$thisdisfn) = @_;
403: $r->print(<<END);
404: <form name="moveresource" action="/adm/cfile" target="_parent" method="post">
405: <input type="hidden" name="filename" value="" />
406: <input type="hidden" name="newfilename" value="" />
407: <input type="hidden" name="action" value="" />
408: </form>
409: <form name="delresource" action="/adm/cfile" target="_parent" method="post">
410: <input type="hidden" name="filename" value="" />
411: <input type="hidden" name="action" value="delete" />
412: </form>
413: <form name="pubresource" action="/adm/publish" target="_parent" method="post">
414: <input type="hidden" name="pubrec" value="" />
415: <input type="hidden" name="filename" value="" />
416: <input type="hidden" name="forcerepub" value="NO" />
417: </form>
418: <form name="printresource" action="/adm/printout" target="_parent" method="post">
419: <input type="hidden" name="postdata" value="" />
420: </form>
421: <form name="retrieveres" action="/adm/retrieve" target="_parent" method="post">
422: <input type="hidden" name="filename" value="" />
423: </form>
424: END
425: }
426:
427: #
428: # Get the title string or "[untitled]" if the file has no title metadata:
429: # Without the latter substitution, it's impossible to examine metadata for
430: # untitled resources. Resources may be legitimately untitled, to prevent
431: # searches from locating them.
432: #
433: # $str = getTitleString($fullname);
434: # $fullname - Fully qualified filename to check.
435: #
436: sub getTitleString {
437: my $fullname = shift;
438: my $title = &Apache::lonnet::metadata($fullname, 'title');
439:
440: unless ($title) {
441: $title = "[".&mt('untitled')."]";
442: }
443: return $title;
444: }
445:
446: sub getCopyRightString {
447: my $fullname = shift;
448: return &Apache::lonnet::metadata($fullname, 'copyright');
449: }
450:
451: sub getSourceRightString {
452: my $fullname = shift;
453: return &Apache::lonnet::metadata($fullname, 'sourceavail');
454: }
455: #
456: # Put out a directory table row:
457: # putdirectory(r, base, here, dirname, modtime)
458: # r - Apache request object.
459: # reqfile - File in request.
460: # here - Where we are in directory tree.
461: # dirname - Name of directory special file.
462: # modtime - Encoded modification time.
463: #
464: sub putdirectory {
465: my ($r, $reqfile, $here, $dirname, $modtime, $resdir, $bombs, $numdir) = @_;
466: # construct the display filename: the directory name unless ..:
467:
468: my $disfilename = $dirname;
469: if ($dirname eq '..') {
470: $disfilename = '<i>'.&mt('Parent Directory').'</i>';
471: }
472: unless ( (($dirname eq '..') && ($reqfile eq '')) || ($dirname eq '.')) {
473: my $kaputt=0;
474: foreach (keys %{$bombs}) {
475: if ($_=~m:^\Q$resdir\E/\Q$disfilename\E/:) { $kaputt=1; last; }
476: }
477: %Apache::lonpublisher::metadatafields=();
478: %Apache::lonpublisher::metadatakeys=();
479: my $construct=$here;
480: $construct=~s:^/priv/(\w+)$:/home/$1/public_html:;
481: my $dirpath = $here;
482: $dirpath=~s:^/priv/:/~:;
483: &Apache::lonpublisher::metaeval(&Apache::lonnet::getfile(
484: $construct.'/'.$dirname.'/default.meta'
485: ));
486: my $actionitem = '';
487: if ($dirname eq '..') {
488: $actionitem = 'Go to ...';
489: } else {
490: $actionitem =
491: '<form name="dirselect_'.$$numdir.
492: '" action="/adm/publish" target="_parent">'.
493: '<select name="diraction" onChange="SetPubDir(this.form,document)">'.
494: '<option selected="selected">'.&mt('Select action').'</option>'.
495: '<option value="open">'.&mt('Open').'</option>'.
496: '<option value="publish">'.&mt('Publish').'</option>'.
497: '<option value="publishsub">'.&mt('Publish with subdirectories').'</option>'.
498: '<option value="editcat">'.&mt('Edit catalog information').'</option>'.
499: '<option value="printdir">'.&mt('Print directory').
500: '</select>'.
501: '<input type="hidden" name="filename" value="'.$dirpath.'/'.$dirname.'/" />'.
502: '<input type="hidden" name="pubrec" value="" />'.
503: '<input type="hidden" name="forcerepub" value="" />'.
504: '<input type="hidden" name="postdata" value="" />'.
505: '</form>';
506: $$numdir ++;
507: }
508: $r->print('<tr bgcolor="#CCCCFF">'.
509: '<td><img src="'.
510: $Apache::lonnet::perlvar{'lonIconsURL'}.'/folder_closed.gif" /></td>'.
511: '<td>'.$actionitem.'</td>'.
512: '<td><font face="arial"><a href="'.$here.'/'.$dirname.'/" target="_parent">'.
513: $disfilename.'</a></font></td>'.
514: '<td colspan="2">'.($kaputt?&Apache::lonhtmlcommon::authorbombs($resdir.'/'.$disfilename.'/'):'').$Apache::lonpublisher::metadatafields{'title'}.' <i>'.
515: $Apache::lonpublisher::metadatafields{'subject'}.'</i> '.
516: $Apache::lonpublisher::metadatafields{'keywords'}.'</td>'.
517: '<td>'.&Apache::lonlocal::locallocaltime($modtime).'</td>'.
518: "</tr>\n");
519: }
520: return OK;
521: }
522: #
523: # Put a table row for a file resource.
524: #
525: sub putresource {
526: my ($r, $udom, $uname, $filename, $thisdisfn,
527: $resdir, $targetdir, $linkdir,
528: $cmtime,$bombs,$numres) = @_;
529: my $pubstatus = 'unpublished';
530: my $status=&mt('Unpublished');
531: my $bgcolor='#FFAA99';
532: my $title=' ';
533: my $publish_button=&mt('Publish');
534: # my $action_buttons=
535: # '<br /><a target="_parent" href="/adm/cfile?action=delete&filename=/~'.
536: # $uname.'/'.$thisdisfn.'/'.$filename.'">'.
537: # &mt('Delete').'</a>';
538: if (-e $resdir.'/'.$filename) {
539: my ($rdev,$rino,$rmode,$rnlink,
540: $ruid,$rgid,$rrdev,$rsize,
541: $ratime,$rmtime,$rctime,
542: $rblksize,$rblocks)=stat($resdir.'/'.$filename);
543: $publish_button=&mt('Re-publish');
544: if ($rmtime>=$cmtime) {
545: $pubstatus = 'published';
546: $status=&mt('Published').'<br />'.
547: &mt(&getCopyRightString($targetdir.'/'.$filename)).' '.
548: &mt(&getSourceRightString($targetdir.'/'.$filename));
549: $bgcolor='#CCFF88';
550: if (&Apache::lonnet::metadata($targetdir.'/'.$filename,'obsolete')) {
551: $pubstatus = 'obsolete';
552: $status=&mt('Obsolete');
553: $bgcolor='#AAAAAA';
554: }
555: # } else {
556: # $action_buttons='';
557: # }
558: $title='<a href="/res/'.$targetdir.'/'.$filename.
559: '.meta" target=cat>'.
560: &getTitleString($targetdir.'/'.$filename).'</a>';
561: } else {
562: $pubstatus = 'modified';
563: $status=&mt('Modified').'<br />'.
564: &mt(&getCopyRightString($targetdir.'/'.$filename)).' '.
565: &mt(&getSourceRightString($targetdir.'/'.$filename));
566: $bgcolor='#FFFF77';
567: # $action_buttons='';
568: $title='<a href="/res/'.$targetdir.'/'.$filename.'.meta" target=cat>'.
569: &getTitleString($targetdir.'/'.$filename).'</a>';
570: if (&Apache::loncommon::fileembstyle(($filename=~/\.(\w+)$/)) eq 'ssi') {
571: $status.='<br /><a href="/adm/diff?filename=/~'.$uname.
572: $thisdisfn.'/'.$filename.
573: '&versiontwo=priv" target=cat>'.&mt('Diffs').'</a>';
574: }
575: }
576: $title.='<br /><a href="/~'.$uname.$thisdisfn.'/'.$filename.'.meta">'.
577: ($$bombs{$targetdir.'/'.$filename}?'<img src="/adm/lonMisc/bomb.gif" border="0" />':'Edit Metadata').'</a>';
578: $status.='<br><a href="/adm/retrieve?filename=/~'.$uname.
579: $thisdisfn.'/'.$filename.'" target="_parent">'.&mt('Retrieve').'</a>';
580: }
581: my $editlink='';
582: my $editlink2='';
583: if ($filename=~/\.(xml|html|htm|xhtml|xhtm|sty)$/) {
584: $editlink=' <br />(<a href="'.$linkdir.'/'.$filename.'?forceedit=1" target="_parent">'.&mt('Edit').'</a>)';
585: }
586: if ($filename=~/\.(problem|exam|quiz|assess|survey|form|library)$/) {
587: $editlink=' (<a href="'.$linkdir.'/'.$filename.'?forceedit=1" target="_parent">'.&mt('EditXML').'</a>)';
588: $editlink2=' <br />(<a href="'.$linkdir.'/'.$filename.'?forceColoredit=1" target="_parent">'.&mt('Edit').'</a>)';
589: }
590: if ($filename=~/\.(zip|tar|bz2|gz|tar.gz|tar.bz2|tgz)$/) {
591: $editlink=' (<a target="_parent" href="/adm/cfile?decompress=/~'.
592: $uname.$thisdisfn.'/'.$filename.'">'.&mt('Decompress').'</a>)';
593: }
594: my $pub_select = '';
595: &create_pubselect($r,\$pub_select,$udom,$uname,$thisdisfn,$filename,$resdir,$pubstatus,$publish_button,$numres);
596: $r->print('<tr bgcolor="'.$bgcolor.'">'.
597: '<td>'.($filename=~/[\#\~]$/?' ':
598: '<img src="'.&Apache::loncommon::icon($filename).'" /></td>').
599: '<td>'.$pub_select.'</td>'.
600: '<td><font face="arial">'.
601: '<a href="'.$linkdir.'/'.$filename.'" target="_parent">'.
602: $filename.'</a></font>'.$editlink2.$editlink.
603: '</td>'.
604: '<td>'.$title.'</td>'.
605: '<td>'.$status.'</td>'.
606: '<td>'.&Apache::lonlocal::locallocaltime($cmtime).'</td>'.
607: "</tr>\n");
608: return OK;
609: }
610:
611: sub create_pubselect {
612: my ($r,$pub_select,$udom,$uname,$thisdisfn,$filename,$resdir,$pubstatus,$publish_button,$numres) = @_;
613: $$pub_select = '
614: <form name="resselect_'.$$numres.'" action="">
615: <select name="reschoice" onChange="SetResChoice(this.form)">
616: <option>'.&mt('Select action').
617: '<option value="copy"/>'.&mt('Copy');
618: if ($pubstatus eq 'obsolete' || $pubstatus eq 'unpublished') {
619: $$pub_select .=
620: '<option value="rename"/>'.&mt('Rename').
621: '<option value="move"/>'.&mt('Move').
622: '<option value="delete"/>'.&mt('Delete');
623: } else {
624: $$pub_select .= '
625: <option value="obsolete"/>'.&mt('Mark obsolete');
626: }
627: # check for versions
628: my $versions = &check_for_versions($r,'/'.$filename,$udom,$uname);
629: if ($versions > 0) {
630: $$pub_select .='
631: <option value="retrieve"/>'.&mt('Retrieve old version');
632: }
633: $$pub_select .= '
634: <option value="publish"/>'.$publish_button.
635: '<option value="print"/>'.&mt('Print').
636: '</select>
637: <input type="hidden" name="filename" value="/~'.
638: $uname.$thisdisfn.'/'.$filename.'"></form>';
639: $$numres ++;
640: }
641:
642: sub check_for_versions {
643: my ($r,$fn,$udom,$uname) = @_;
644: my $versions = 0;
645: my $docroot=$r->dir_config('lonDocRoot');
646: my $resfn=$docroot.'/res/'.$udom.'/'.$uname.$fn;
647: my $resdir=$resfn;
648: $resdir=~s/\/[^\/]+$/\//;
649: $fn=~/\/([^\/]+)\.(\w+)$/;
650: my $main=$1;
651: my $suffix=$2;
652: opendir(DIR,$resdir);
653: while (my $filename=readdir(DIR)) {
654: if ($filename=~/^\Q$main\E\.(\d+)\.\Q$suffix\E$/) {
655: $versions ++;
656: }
657: }
658: return $versions;
659: }
660:
661: #
662: # Categorize files in the directory.
663: # For each file in a list of files in a file directory,
664: # the file categorized as one of:
665: # - directory
666: # - sequence
667: # - problem
668: # - Other resource.
669: #
670: # For each file the modification date is determined as well.
671: # Returned is a list of sublists:
672: # (directories, sequences, problems, other)
673: # each of the sublists contains entries of the following form (sorted by
674: # filename):
675: # (filename, typecode, lastmodtime)
676: #
677: # $list = CategorizeFiles($location, $files)
678: # $location - Directory in which the files live (relative to our
679: # execution.
680: # $files - list of files.
681: #
682: sub CategorizeFiles {
683: my $location = shift;
684: my $files = shift;
685: }
686:
687: 1;
688: __END__
689:
690: =head1 NAME
691:
692: Apache::lonpubdir - Construction space directory lister
693:
694: =head1 SYNOPSIS
695:
696: Invoked (for various locations) by /etc/httpd/conf/srm.conf:
697:
698: <LocationMatch "^/\~.*/$">
699: PerlAccessHandler Apache::loncacc
700: SetHandler perl-script
701: PerlHandler Apache::lonpubdir
702: ErrorDocument 403 /adm/login
703: ErrorDocument 404 /adm/notfound.html
704: ErrorDocument 406 /adm/unauthorized.html
705: ErrorDocument 500 /adm/errorhandler
706: </LocationMatch>
707:
708: <Location /adm/pubdir>
709: PerlAccessHandler Apache::lonacc
710: SetHandler perl-script
711: PerlHandler Apache::lonpubdir
712: ErrorDocument 403 /adm/login
713: ErrorDocument 404 /adm/notfound.html
714: ErrorDocument 406 /adm/unauthorized.html
715: ErrorDocument 500 /adm/errorhandler
716: </Location>
717:
718: =head1 INTRODUCTION
719:
720: This module publishes a directory of files.
721:
722: This is part of the LearningOnline Network with CAPA project
723: described at http://www.lon-capa.org.
724:
725: =head1 HANDLER SUBROUTINE
726:
727: This routine is called by Apache and mod_perl.
728:
729: =over 4
730:
731: =item *
732:
733: read in information
734:
735: =item *
736:
737: start page output
738:
739: =item *
740:
741: run through list of files and attempt to publish unhidden files
742:
743: =back
744:
745: =cut
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