1: # The LearningOnline Network with CAPA
2: # Authoring Space Directory Lister
3: #
4: # $Id: lonpubdir.pm,v 1.154 2014/05/31 13:55:17 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::loncommon();
37: use Apache::lonhtmlcommon();
38: use Apache::londiff();
39: use Apache::lonlocal;
40: use Apache::lonmsg;
41: use Apache::lonmenu;
42: use Apache::lonnet;
43: use LONCAPA qw(:DEFAULT :match);
44:
45: sub handler {
46:
47: my $r=shift;
48:
49: # Validate access to the construction space and get username:domain.
50:
51: my ($uname,$udom)=&Apache::lonnet::constructaccess($r->uri);
52: unless (($uname) && ($udom)) {
53: return HTTP_NOT_ACCEPTABLE;
54: }
55:
56: # ----------------------------------------------------------- Start page output
57:
58: my $fn=$r->filename;
59: $fn=~s/\/$//;
60: my $thisdisfn=$fn;
61:
62: my $docroot=$r->dir_config('lonDocRoot'); # Apache londocument root.
63: $thisdisfn=~s/^\Q$docroot\E\/priv//;
64:
65: my $resdir=$docroot.'/res'.$thisdisfn; # Resource directory
66: my $targetdir='/res'.$thisdisfn; # Publication target directory.
67: my $linkdir='/priv'.$thisdisfn; # Full URL name of constr space.
68:
69: my %bombs=&Apache::lonmsg::all_url_author_res_msg($uname,$udom);
70:
71: &startpage($r, $uname, $udom, $thisdisfn); # Put out the start of page.
72: &dircontrols($r,$uname,$udom,$thisdisfn); # Put out actions for directory,
73: # browse/upload + new file page.
74: &resourceactions($r,$uname,$udom,$thisdisfn); # Put out form used for printing/deletion etc.
75:
76: my $numdir = 0;
77: my $numres = 0;
78:
79: # Retrieving value for "sortby" and "sortorder" from QUERY_STRING
80: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
81: ['sortby','sortorder']);
82:
83: # Sort by name as default, not reversed
84: if (! exists($env{'form.sortby'})) { $env{'form.sortby'} = 'filename' }
85: if (! exists($env{'form.sortorder'})) { $env{'form.sortorder'} = '' }
86:
87: my $sortby = $env{'form.sortby'};
88: my $sortorder = $env{'form.sortorder'};
89:
90: opendir(DIR,$fn);
91: my @files = readdir(DIR);
92: closedir(DIR);
93:
94: if ((@files == 0) && ($thisdisfn =~ m{^/$match_domain/$match_username})) {
95: $r->print('<p class="LC_info">'.&mt('This Authoring Space is currently empty.').'</p>');
96: $r->print(&Apache::loncommon::end_page());
97: return OK;
98: }
99:
100: # Start off the directory table.
101: $r->print(&Apache::loncommon::start_data_table()
102: .&Apache::loncommon::start_data_table_header_row()
103: .'<th><a href="'.$linkdir.'/?sortby=filetype&sortorder='
104: .((($sortby eq "filetype") && ($sortorder ne 'rev')) ? 'rev' : '')
105: .'">'.&mt('Type')
106: .'<span class="LC_fontsize_small"> ▼</span></a></th>'
107: .'<th>'.&mt('Actions').'</th>'
108: .'<th><a href="'.$linkdir.'/?sortby=filename&sortorder='
109: .((($sortby eq "filename") && ($sortorder ne 'rev')) ? 'rev' : '')
110: .'">'.&mt('Name')
111: .'<span class="LC_fontsize_small"> ▼</span></a></th>'
112: .'<th><a href="'.$linkdir.'/?sortby=title&sortorder='
113: .((($sortby eq "title") && ($sortorder ne 'rev')) ? 'rev' : '')
114: .'">'.&mt('Title')
115: .'<span class="LC_fontsize_small"> ▼</span></a></th>'
116: .'<th colspan="2"><a href="'.$linkdir.'/?sortby=pubstatus&sortorder='
117: .((($sortby eq "pubstatus") && ($sortorder ne 'rev')) ? 'rev' : '')
118: .'">'.&mt('Status')
119: .'<span class="LC_fontsize_small"> ▼</span></a></th>'
120: .'<th><a href="'.$linkdir.'/?sortby=cmtime&sortorder='
121: .((($sortby eq "cmtime") && ($sortorder ne 'rev')) ? 'rev' : '')
122: .'">'.&mt('Last Modified')
123: .'<span class="LC_fontsize_small"> ▼</span></a></th>'
124: .'<th><a href="'.$linkdir.'/?sortby=size&sortorder='
125: .((($sortby eq "size") && ($sortorder ne 'rev')) ? 'rev' : '')
126: .'">'.&mt('Size').' (kB)'
127: .'<span class="LC_fontsize_small"> ▼</span></a></th>'
128: .&Apache::loncommon::end_data_table_header_row()
129: );
130:
131: my $dirptr=16384; # Mask indicating a directory in stat.cmode.
132: my $filehash = {};
133: foreach my $filename (@files) {
134: # Skip .DS_Store and hidden files
135: my ($extension) = ($filename=~/\.(\w+)$/);
136: next if (($filename eq '.DS_Store')
137: || &Apache::loncommon::fileembstyle($extension) eq 'hdn');
138:
139: my ($cmode,$csize,$cmtime)=(stat($fn.'/'.$filename))[2,7,9];
140: my $linkfilename = &HTML::Entities::encode('/priv'.$thisdisfn.'/'.$filename,'<>&"');
141: # Identify type of file according to icon used
142: my ($filetype) = (&Apache::loncommon::icon($filename) =~ m{/(\w+).gif$});
143: my $cstr_dir = $r->dir_config('lonDocRoot').'/priv'.$thisdisfn;
144: my $meta_same = &isMetaSame($cstr_dir, $resdir, $filename);
145:
146: # Store size, title, and status for files but not directories
147: my $size = (!($cmode&$dirptr)) ? $csize/1024. : 0;
148: my ($status, $pubstatus, $title, $fulltitle);
149: if (!($cmode&$dirptr)) {
150: ($status, $pubstatus) = &getStatus($resdir, $targetdir, $cstr_dir,
151: $filename, $linkfilename, $cmtime, $meta_same);
152: ($fulltitle, $title) = &getTitle($resdir, $targetdir, $filename,
153: $linkfilename, $meta_same, \%bombs);
154: } else {
155: ($status, $pubstatus) = ('','');
156: ($fulltitle, $title) = ('','');
157: }
158:
159: # This hash will allow sorting
160: $filehash->{ $filename } = {
161: "cmtime" => $cmtime,
162: "size" => $size,
163: "cmode" => $cmode,
164: "filetype" => $filetype,
165: "title" => $title,
166: "fulltitle" => $fulltitle,
167: "status" => $status,
168: "pubstatus" => $pubstatus,
169: "linkfilename" => $linkfilename,
170: }
171: }
172:
173: my @sorted_files;
174: # Sorting by something other than "Name". Name is the secondary key.
175: if ($sortby =~ m{cmtime|size}) { # Numeric fields
176: # First check if order should be reversed
177: if ($sortorder eq "rev") {
178: @sorted_files = sort {
179: $filehash->{$a}->{$sortby} <=> $filehash->{$b}->{$sortby}
180: or
181: uc($a) cmp uc($b)
182: } (keys(%{$filehash}));
183: } else {
184: @sorted_files = sort {
185: $filehash->{$b}->{$sortby} <=> $filehash->{$a}->{$sortby}
186: or
187: uc($a) cmp uc($b)
188: } (keys(%{$filehash}));
189: }
190: } elsif ($sortby =~ m{filetype|title|status}) { # String fields
191: if ($sortorder eq "rev") {
192: @sorted_files = sort {
193: $filehash->{$b}->{$sortby} cmp $filehash->{$a}->{$sortby}
194: or
195: uc($a) cmp uc($b)
196: } (keys(%{$filehash}));
197: } else {
198: @sorted_files = sort {
199: $filehash->{$a}->{$sortby} cmp $filehash->{$b}->{$sortby}
200: or
201: uc($a) cmp uc($b)
202: } (keys(%{$filehash}));
203: }
204:
205: # Sort by "Name" is the default
206: } else {
207: if ($sortorder eq "rev") {
208: @sorted_files = sort {uc($b) cmp uc($a)} (keys(%{$filehash}));
209: } else {
210: @sorted_files = sort {uc($a) cmp uc($b)} (keys(%{$filehash}));
211: }
212: }
213:
214: # Print the sorted resources
215: foreach my $filename (@sorted_files) {
216: if ($filehash->{$filename}->{"cmode"}&$dirptr) { # Directories
217: &putdirectory($r, $thisdisfn, $linkdir, $filename,
218: $filehash->{$filename}->{"cmtime"},
219: $targetdir, \%bombs, \$numdir);
220: } else { # Files
221: &putresource($r, $udom, $uname, $filename, $thisdisfn, $resdir,
222: $targetdir, $linkdir, $filehash->{$filename}->{"cmtime"},
223: $filehash->{$filename}->{"size"}, \$numres,
224: $filehash->{$filename}->{"linkfilename"},
225: $filehash->{$filename}->{"fulltitle"},
226: $filehash->{$filename}->{"status"},
227: $filehash->{$filename}->{"pubstatus"});
228: }
229: }
230:
231: $r->print( &Apache::loncommon::end_data_table()
232: .&Apache::loncommon::end_page() );
233:
234: return OK;
235: }
236:
237:
238:
239: # Output the header of the page. This includes:
240: # - The HTML header
241: # - The H1/H3 stuff which includes the directory.
242: #
243: # startpage($r, $uame, $udom, $thisdisfn);
244: # $r - The apache request object.
245: # $uname - User name.
246: # $udom - Domain name the user is logged in under.
247: # $thisdisfn - Displayable version of the filename.
248:
249: sub startpage {
250: my ($r, $uname, $udom, $thisdisfn) = @_;
251: &Apache::loncommon::content_type($r,'text/html');
252: $r->send_http_header;
253:
254: my $formaction='/priv'.$thisdisfn.'/';
255: $formaction=~s|/+|/|g;
256: &Apache::lonhtmlcommon::store_recent('construct',$formaction,$formaction);
257:
258: &Apache::lonhtmlcommon::clear_breadcrumbs();
259: &Apache::lonhtmlcommon::add_breadcrumb({
260: 'text' => 'Authoring Space',
261: 'href' => &Apache::loncommon::authorspace($formaction),
262: });
263: # breadcrumbs (and tools) will be created
264: # in start_page->bodytag->innerregister
265:
266: $env{'request.noversionuri'}=$formaction;
267: $r->print(&Apache::loncommon::start_page('Authoring Space'));
268:
269: my $londocroot = $Apache::lonnet::perlvar{'lonDocRoot'};
270: my $current_disk_usage = &Apache::lonnet::diskusage($udom,$uname,"$londocroot/priv/$udom/$uname");
271: my $disk_quota = &Apache::loncommon::get_user_quota($uname,$udom,'author'); #expressed in MB
272: $disk_quota = 1000 * $disk_quota; # convert from MB to kB
273:
274: $r->print(&Apache::loncommon::head_subbox(
275: '<div style="float:right;padding-top:0;margin-top;0">'
276: .&Apache::lonhtmlcommon::display_usage($current_disk_usage,$disk_quota)
277: .'</div>'
278: .&Apache::loncommon::CSTR_pageheader()));
279:
280: my $esc_thisdisfn = &Apache::loncommon::escape_single($thisdisfn);
281: my $doctitle = 'LON-CAPA '.&mt('Authoring Space');
282: my $newname = &mt('New Name');
283: my $pubdirscript=(<<ENDPUBDIRSCRIPT);
284: <script type="text/javascript">
285: top.document.title = '$esc_thisdisfn/ - $doctitle';
286: // Store directory location for menu bar to find
287:
288: parent.lastknownpriv='/priv$esc_thisdisfn/';
289:
290: // Confirmation dialogues
291:
292: function currdiract(theform) {
293: if (theform.dirtask.options[theform.dirtask.selectedIndex].value == 'publish') {
294: document.publishdir.filename.value = theform.filename.value;
295: document.publishdir.submit();
296: }
297: if (theform.dirtask.options[theform.dirtask.selectedIndex].value == 'editmeta') {
298: top.location=theform.filename.value+'default.meta'
299: }
300: if (theform.dirtask.options[theform.dirtask.selectedIndex].value == 'printdir' ) {
301: document.printdir.postdata.value=theform.filename.value
302: document.printdir.submit();
303: }
304: if (theform.dirtask.options[theform.dirtask.selectedIndex].value == "delete") {
305: var delform = document.delresource
306: delform.filename.value = theform.filename.value
307: delform.submit()
308: }
309: }
310:
311: function checkUpload(theform) {
312: if (theform.file == '') {
313: alert("Please use 'Browse..' to choose a file first, before uploading")
314: return
315: }
316: theform.submit()
317: }
318:
319: function SetPubDir(theform,printForm) {
320: if (theform.diraction.options[theform.diraction.selectedIndex].value == "open") {
321: top.location = theform.openname.value
322: return
323: }
324: if (theform.diraction.options[theform.diraction.selectedIndex].value == "publish") {
325: theform.submit();
326: }
327: if (theform.diraction.options[theform.diraction.selectedIndex].value == "editmeta") {
328: top.location=theform.filename.value+'default.meta'
329: }
330: if (theform.diraction.options[theform.diraction.selectedIndex].value == "printdir") {
331: theform.action = '/adm/printout'
332: theform.postdata.value = theform.filename.value
333: theform.submit()
334: }
335: if (theform.diraction.options[theform.diraction.selectedIndex].value == "delete") {
336: var delform = document.delresource
337: delform.filename.value = theform.filename.value
338: delform.submit()
339: }
340: return
341: }
342: function SetResChoice(theform) {
343: var activity = theform.reschoice.options[theform.reschoice.selectedIndex].value
344: if ((activity == 'rename') || (activity == 'copy') || (activity == 'move')) {
345: changename(theform,activity)
346: }
347: if (activity == 'publish') {
348: var pubform = document.pubresource
349: pubform.filename.value = theform.filename.value
350: pubform.submit()
351: }
352: if (activity == 'delete') {
353: var delform = document.delresource
354: delform.filename.value = theform.filename.value
355: delform.submit()
356: }
357: if (activity == 'obsolete') {
358: var pubform = document.pubresource
359: pubform.filename.value = theform.filename.value
360: pubform.makeobsolete.value=1;
361: pubform.submit()
362: }
363: if (activity == 'print') {
364: document.printresource.postdata.value = theform.filename.value
365: document.printresource.submit()
366: }
367: if (activity == 'retrieve') {
368: document.retrieveres.filename.value = theform.filename.value
369: document.retrieveres.submit()
370: }
371: if (activity == 'cleanup') {
372: document.cleanup.filename.value = theform.filename.value
373: document.cleanup.submit()
374: }
375: return
376: }
377: function changename(theform,activity) {
378: var oldname=theform.dispfilename.value;
379: var newname=prompt('$newname',oldname);
380: if (newname == "" || !newname || newname == oldname) {
381: return
382: }
383: document.moveresource.newfilename.value = newname
384: document.moveresource.filename.value = theform.filename.value
385: document.moveresource.action.value = activity
386: document.moveresource.submit();
387: }
388: </script>
389: ENDPUBDIRSCRIPT
390: $r->print($pubdirscript);
391: }
392:
393: sub dircontrols {
394: my ($r,$uname,$udom,$thisdisfn) = @_;
395: my %lt=&Apache::lonlocal::texthash(
396: cnpd => 'Cannot publish directory',
397: cnrd => 'Cannot retrieve directory',
398: mcdi => 'Must create new subdirectory inside a directory',
399: pubr => 'Publish this Resource',
400: pubd => 'Publish this Directory',
401: dedr => 'Delete Directory',
402: rtrv => 'Retrieve Old Version',
403: list => 'List Directory',
404: uplo => 'Upload file',
405: dele => 'Delete',
406: edit => 'Edit Metadata',
407: sela => 'Select Action',
408: nfil => 'New file',
409: nhtm => 'New HTML file',
410: nprb => 'New problem',
411: npag => 'New assembled page',
412: nseq => 'New assembled sequence',
413: ncrf => 'New custom rights file',
414: nsty => 'New style file',
415: nlib => 'New library file',
416: nbt => 'New bridgetask file',
417: nsub => 'New subdirectory',
418: renm => 'Rename current file to',
419: move => 'Move current file to',
420: copy => 'Copy current file to',
421: type => 'Type Name Here',
422: go => 'Go',
423: prnt => 'Print contents of directory',
424: crea => 'Create a new directory or LON-CAPA document',
425: acti => 'Actions for current directory',
426: updc => 'Upload a new document',
427: pick => 'Please select an action to perform using the new filename',
428: );
429: my $mytype = $lt{'type'}; # avoid conflict with " and ' in javascript
430: $r->print(<<END);
431: <div class="LC_columnSection">
432: <div>
433: <form name="curractions" method="post" action="">
434: <fieldset>
435: <legend>$lt{'acti'}</legend>
436: <select name="dirtask" onchange="currdiract(this.form)">
437: <option>$lt{'sela'}</option>
438: <option value="publish">$lt{'pubd'}</option>
439: <option value="editmeta">$lt{'edit'}</option>
440: <option value="printdir">$lt{'prnt'}</option>
441: <option value="delete">$lt{'dedr'}</option>
442: </select>
443: <input type="hidden" name="filename" value="/priv$thisdisfn/" />
444: </fieldset>
445: </form>
446: <form name="publishdir" method="post" action="/adm/publish" target="_parent">
447: <input type="hidden" name="pubrec" value="" />
448: <input type="hidden" name="filename" value="" />
449: </form>
450: <form name="printdir" method="post" action="/adm/printout" target="_parent">
451: <input type="hidden" name="postdata" value="" />
452: </form>
453: </div>
454:
455: <div>
456: <form name="upublisher" enctype="multipart/form-data" method="post" action="/adm/upload" target="_parent">
457: <fieldset>
458: <legend>$lt{'updc'}</legend>
459: <input type="hidden" name="filename" value="/priv$thisdisfn/" />
460: <input type="file" name="upfile" size="20" />
461: <input type="button" value="$lt{'uplo'}" onclick="checkUpload(this.form)" />
462: </fieldset>
463: </form>
464: </div>
465:
466: <div>
467: <form name="fileaction" method="post" action="/adm/cfile" target="_parent">
468: <fieldset>
469: <legend>$lt{'crea'}</legend>
470: <span class="LC_nobreak">
471: <input type="hidden" name="filename" value="/priv$thisdisfn/" />
472: <script type="text/javascript">
473: function validate_go() {
474: var selected = document.fileaction.action.selectedIndex;
475: if (selected == 0) {
476: alert('$lt{'pick'}');
477: } else {
478: document.fileaction.submit();
479: }
480: }
481: </script>
482: <select name="action">
483: <option value="none">$lt{'sela'}</option>
484: <option value="newfile">$lt{'nfil'}:</option>
485: <option value="newhtmlfile">$lt{'nhtm'}:</option>
486: <option value="newproblemfile">$lt{'nprb'}:</option>
487: <option value="newpagefile">$lt{'npag'}:</option>
488: <option value="newsequencefile">$lt{'nseq'}:</option>
489: <option value="newrightsfile">$lt{'ncrf'}:</option>
490: <option value="newstyfile">$lt{'nsty'}:</option>
491: <option value="newtaskfile">$lt{'nbt'}:</option>
492: <option value="newlibraryfile">$lt{'nlib'}:</option>
493: <option value="newdir">$lt{'nsub'}:</option>
494: </select> <input type="text" name="newfilename" value="$lt{'type'}" onfocus="if (this.value == '$mytype') this.value=''" /> <input type="button" value="Go" onclick="validate_go();" />
495: </span>
496: </fieldset>
497: </form>
498: </div>
499: </div>
500: END
501: }
502:
503: sub resourceactions {
504: my ($r,$uname,$udom,$thisdisfn) = @_;
505: $r->print(<<END);
506: <form name="moveresource" action="/adm/cfile" target="_parent" method="post">
507: <input type="hidden" name="filename" value="" />
508: <input type="hidden" name="newfilename" value="" />
509: <input type="hidden" name="action" value="" />
510: </form>
511: <form name="delresource" action="/adm/cfile" target="_parent" method="post">
512: <input type="hidden" name="filename" value="" />
513: <input type="hidden" name="action" value="delete" />
514: </form>
515: <form name="pubresource" action="/adm/publish" target="_parent" method="post">
516: <input type="hidden" name="filename" value="" />
517: <input type="hidden" name="makeobsolete" value="0" />
518: </form>
519: <form name="printresource" action="/adm/printout" target="_parent" method="post">
520: <input type="hidden" name="postdata" value="" />
521: </form>
522: <form name="retrieveres" action="/adm/retrieve" target="_parent" method="post">
523: <input type="hidden" name="filename" value="" />
524: </form>
525: <form name="cleanup" action="/adm/cleanup" target="_parent" method="post">
526: <input type="hidden" name="filename" value="" />
527: </form>
528: END
529: }
530:
531: #
532: # Get the title string or "[untitled]" if the file has no title metadata:
533: # Without the latter substitution, it's impossible to examine metadata for
534: # untitled resources. Resources may be legitimately untitled, to prevent
535: # searches from locating them.
536: #
537: # $str = getTitleString($fullname);
538: # $fullname - Fully qualified filename to check.
539: #
540: sub getTitleString {
541: my $fullname = shift;
542: my $title = &Apache::lonnet::metadata($fullname, 'title');
543:
544: unless ($title) {
545: $title = "[".&mt('untitled')."]";
546: }
547: return $title;
548: }
549:
550: sub getCopyRightString {
551: my $fullname = shift;
552: return &Apache::lonnet::metadata($fullname, 'copyright');
553: }
554:
555: sub getSourceRightString {
556: my $fullname = shift;
557: return &Apache::lonnet::metadata($fullname, 'sourceavail');
558: }
559: #
560: # Put out a directory table row:
561: # putdirectory(r, base, here, dirname, modtime, targetdir, bombs, numdir)
562: # r - Apache request object.
563: # reqfile - File in request.
564: # here - Where we are in directory tree.
565: # dirname - Name of directory special file.
566: # modtime - Encoded modification time.
567: # targetdir - Publication target directory.
568: # bombs - Reference to hash of URLs with runtime error messages.
569: # numdir - Reference to scalar used to track number of sub-directories
570: # in directory (used in form name for each "actions" dropdown).
571: #
572: sub putdirectory {
573: my ($r, $reqfile, $here, $dirname, $modtime, $targetdir, $bombs, $numdir) = @_;
574:
575: # construct the display filename: the directory name unless ..:
576:
577: my $actionitem;
578:
579: my $disfilename = $dirname;
580: # Don't display directory itself, and there is no way up from root directory
581: unless ((($dirname eq '..') && ($reqfile=~/^\/[^\/]+\/[^\/]+$/)) || ($dirname eq '.')) {
582: my $kaputt=0;
583: if (ref($bombs) eq 'HASH') {
584: foreach my $key (keys(%{$bombs})) {
585: my $currentdir = &Apache::lonnet::declutter("$targetdir/$disfilename");
586: if (($key) =~ m{^\Q$currentdir\E/}) { $kaputt=1; last; }
587: }
588: }
589: #
590: # Get the metadata from that directory's default.meta to display titles
591: #
592: %Apache::lonpublisher::metadatafields=();
593: %Apache::lonpublisher::metadatakeys=();
594: &Apache::lonpublisher::metaeval(
595: &Apache::lonnet::getfile($r->dir_config('lonDocRoot').$here.'/'.$dirname.'/default.meta')
596: );
597: if ($dirname eq '..') {
598: $actionitem = &mt('Go to ...');
599: $disfilename = '<i>'.&mt('Parent Directory').'</i>';
600: } else {
601: $actionitem =
602: '<form name="dirselect_'.$$numdir.
603: '" action="/adm/publish" target="_parent">'.
604: '<select name="diraction" onchange="SetPubDir(this.form,document)">'.
605: '<option selected="selected">'.&mt('Select action').'</option>'.
606: '<option value="open">'.&mt('Open').'</option>'.
607: '<option value="publish">'.&mt('Publish').'</option>'.
608: '<option value="editmeta">'.&mt('Edit Metadata').'</option>'.
609: '<option value="printdir">'.&mt('Print directory').'</option>'.
610: '<option value="delete">'.&mt('Delete directory').'</option>'.
611: '</select>'.
612: '<input type="hidden" name="filename" value="'.&HTML::Entities::encode($here.'/'.$dirname,'<>&"').'/" />'.
613: '<input type="hidden" name="openname" value="'.$here.'/'.$dirname.'/" />'.
614: '<input type="hidden" name="postdata" value="" />'.
615: '</form>';
616: $$numdir ++;
617: }
618: $r->print('<tr class="LC_browser_folder">'.
619: '<td><img src="'.
620: $Apache::lonnet::perlvar{'lonIconsURL'}.'/navmap.folder.closed.gif" alt="folder" /></td>'.
621: '<td>'.$actionitem.'</td>'.
622: '<td><span class="LC_filename"><a href="'.&HTML::Entities::encode($here.'/'.$dirname,'<>&"').'/" target="_parent">'.
623: $disfilename.'</a></span></td>'.
624: '<td colspan="3">'.($kaputt?&Apache::lonhtmlcommon::authorbombs($targetdir.'/'.$disfilename.'/'):'').$Apache::lonpublisher::metadatafields{'title'});
625: if ($Apache::lonpublisher::metadatafields{'subject'} ne '') {
626: $r->print(' <i>'.
627: $Apache::lonpublisher::metadatafields{'subject'}.
628: '</i> ');
629: }
630: $r->print($Apache::lonpublisher::metadatafields{'keywords'}.'</td>'.
631: '<td>'.&Apache::lonlocal::locallocaltime($modtime).'</td>'.
632: '<td></td>'.
633: "</tr>\n");
634: }
635: return;
636: }
637:
638: sub getTitle {
639: my ($resdir, $targetdir, $filename, $linkfilename, $meta_same, $bombs) = @_;
640: my $title='';
641: my $titleString = &getTitleString($targetdir.'/'.$filename);
642: if (-e $resdir.'/'.$filename) {
643: $title = '<a href="'.$targetdir.'/'.$filename.
644: '.meta" target="cat">'.$titleString.'</a>';
645: if (!$meta_same) {
646: $title = &mt('Metadata Modified').'<br />'.$title.
647: '<br />'.
648: &Apache::loncommon::modal_link(
649: '/adm/diff?filename='.$linkfilename.'.meta'.'&versiontwo=priv',
650: &mt('Metadata Diffs'),600,500);
651: $title.="\n".'<br />'.
652: &Apache::loncommon::modal_link(
653: '/adm/retrieve?filename='.$linkfilename.'.meta&inhibitmenu=yes&add_modal=yes',
654: &mt('Retrieve Metadata'),600,500);
655: }
656: }
657: # Allow editing metadata of published and unpublished resources
658: $title .= "\n".'<br />' if ($title);
659: $title .= '<a href="'.$linkfilename.'.meta">'.
660: ($$bombs{&Apache::lonnet::declutter($targetdir.'/'.$filename)}?
661: '<img src="/adm/lonMisc/bomb.gif" border="0" alt="'.&mt('bomb').'" />':
662: &mt('Edit Metadata')).
663: '</a>';
664:
665: return ($title, $titleString);
666: }
667:
668:
669: sub isMetaSame {
670: my ($cstr_dir, $resdir, $filename) = @_;
671: my $meta_cmtime = (stat($cstr_dir.'/'.$filename.'.meta'))[9];
672: my $meta_rmtime = (stat($resdir.'/'.$filename.'.meta'))[9];
673: return (&Apache::londiff::are_different_files($resdir.'/'.$filename.'.meta',
674: $cstr_dir.'/'.$filename.'.meta') && $meta_rmtime < $meta_cmtime)
675: ? 0 : 1;
676: }
677:
678:
679: sub getStatus {
680: my ($resdir, $targetdir, $cstr_dir, $filename,
681: $linkfilename, $cmtime, $meta_same) = @_;
682: my $pubstatus = 'unpublished';
683: my $status = &mt('Unpublished');
684:
685: if (-e $resdir.'/'.$filename) {
686: my $same = 0;
687: if ((stat($resdir.'/'.$filename))[9] >= $cmtime) {
688: $same = 1;
689: } else {
690: if (&Apache::londiff::are_different_files($resdir.'/'.$filename,
691: $cstr_dir.'/'.$filename)) {
692: $same = 0;
693: } else {
694: $same = 1;
695: }
696: }
697:
698: my $rights_status =
699: &mt(&getCopyRightString($targetdir.'/'.$filename)).', ';
700:
701: my %lt_SourceRight = &Apache::lonlocal::texthash(
702: 'open' => 'Source: open',
703: 'closed' => 'Source: closed',
704: );
705: $rights_status .=
706: $lt_SourceRight{&getSourceRightString($targetdir.'/'.$filename)};
707:
708: if ($same) {
709: if (&Apache::lonnet::metadata($targetdir.'/'.$filename,'obsolete')) {
710: $pubstatus = 'obsolete';
711: $status=&mt('Obsolete');
712: } else {
713: if (!$meta_same) {
714: $pubstatus = 'metamodified';
715: } else {
716: $pubstatus = 'published';
717: }
718: $status=&mt('Published').
719: '<br />'. $rights_status;
720: }
721: } else {
722: $pubstatus = 'modified';
723: $status=&mt('Modified').
724: '<br />'. $rights_status;
725: if (&Apache::loncommon::fileembstyle(($filename=~/\.(\w+)$/)) eq 'ssi') {
726: $status.='<br />'.
727: &Apache::loncommon::modal_link(
728: '/adm/diff?filename='.$linkfilename.'&versiontwo=priv',
729: &mt('Diffs'),600,500);
730: }
731: }
732:
733: $status.="\n".'<br />'.
734: &Apache::loncommon::modal_link(
735: '/adm/retrieve?filename='.$linkfilename.'&inhibitmenu=yes&add_modal=yes',&mt('Retrieve'),600,500);
736: }
737:
738: return ($status, $pubstatus);
739: }
740:
741:
742: #
743: # Put a table row for a file resource.
744: #
745: sub putresource {
746: my ($r, $udom, $uname, $filename, $thisdisfn, $resdir, $targetdir,
747: $linkdir, $cmtime, $size, $numres, $linkfilename, $title,
748: $status, $pubstatus) = @_;
749: &Apache::lonnet::devalidate_cache_new('meta',$targetdir.'/'.$filename);
750:
751: my $editlink='';
752: my $editlink2='';
753: if ($filename=~/\.(xml|html|htm|xhtml|xhtm|sty)$/) {
754: $editlink=' <br />(<a href="'.$linkdir.'/'.$filename.'?editmode=Edit&problemmode=edit">'.&mt('Edit').'</a>)';
755: }
756: if ($filename=~/$LONCAPA::assess_re/) {
757: $editlink=' (<a href="'.$linkdir.'/'.$filename.'?editmode=Edit&problemmode=editxml">'.&mt('EditXML').'</a>)';
758: $editlink2=' <br />(<a href="'.$linkdir.'/'.$filename.'?editmode=Edit&problemmode=edit">'.&mt('Edit').'</a>)';
759: }
760: if ($filename=~/\.(problem|exam|quiz|assess|survey|form|library|xml|html|htm|xhtml|xhtm|sty)$/) {
761: $editlink.=' (<a href="/adm/cleanup?filename='.$linkfilename.'" target="_parent">'.&mt('Clean Up').')</a>';
762: }
763: if ($filename=~/\.(zip|tar|bz2|gz|tar.gz|tar.bz2|tgz)$/) {
764: $editlink=' (<a target="_parent" href="/adm/cfile?decompress='.$linkfilename.'">'.&mt('Decompress').'</a>)';
765: }
766: my $publish_button = (-e $resdir.'/'.$filename) ? &mt('Re-publish') : &mt('Publish');
767: my $pub_select = '';
768: &create_pubselect($r,\$pub_select,$udom,$uname,$thisdisfn,$filename,$resdir,$pubstatus,$publish_button,$numres);
769: $r->print(&Apache::loncommon::start_data_table_row().
770: '<td>'.($filename=~/[\#\~]$/?' ':
771: '<img src="'.&Apache::loncommon::icon($filename).'" alt="" />').'</td>'.
772: '<td>'.$pub_select.'</td>'.
773: '<td><span class="LC_filename">'.
774: '<a href="'.$linkdir.'/'.$filename.'" target="_parent">'.
775: $filename.'</a></span>'.$editlink2.$editlink.
776: '</td>'.
777: '<td>'.$title.'</td>'.
778: '<td class="LC_browser_file_'.$pubstatus.'"> </td>'. # Display publication status
779: '<td>'.$status.'</td>'.
780: '<td>'.&Apache::lonlocal::locallocaltime($cmtime).'</td>'.
781: '<td>'.sprintf("%.1f",$size).'</td>'.
782: &Apache::loncommon::end_data_table_row()
783: );
784: return;
785: }
786:
787: sub create_pubselect {
788: my ($r,$pub_select,$udom,$uname,$thisdisfn,$filename,$resdir,$pubstatus,$publish_button,$numres) = @_;
789: $$pub_select = '
790: <form name="resselect_'.$$numres.'" action="">
791: <select name="reschoice" onchange="SetResChoice(this.form)">
792: <option>'.&mt('Select action').'</option>'.
793: '<option value="copy">'.&mt('Copy').'</option>';
794: if ($pubstatus eq 'obsolete' || $pubstatus eq 'unpublished') {
795: $$pub_select .=
796: '<option value="rename">'.&mt('Rename').'</option>'.
797: '<option value="move">'.&mt('Move').'</option>'.
798: '<option value="delete">'.&mt('Delete').'</option>';
799: } else {
800: $$pub_select .= '
801: <option value="obsolete">'.&mt('Mark obsolete').'</option>';
802: }
803: # check for versions
804: my $versions = &check_for_versions($r,'/'.$filename,$udom,$uname);
805: if ($versions > 0) {
806: $$pub_select .='
807: <option value="retrieve">'.&mt('Retrieve old version').'</option>';
808: }
809: $$pub_select .= '
810: <option value="publish">'.$publish_button.'</option>'.
811: '<option value="cleanup">'.&mt('Clean up').'</option>'.
812: '<option value="print">'.&mt('Print').'</option>'.
813: '</select>
814: <input type="hidden" name="filename" value="/priv'.
815: &HTML::Entities::encode($thisdisfn.'/'.$filename,'<>&"').'" />
816: <input type="hidden" name="dispfilename" value="'.
817: &HTML::Entities::encode($filename).'" /></form>';
818: $$numres ++;
819: }
820:
821: sub check_for_versions {
822: my ($r,$fn,$udom,$uname) = @_;
823: my $versions = 0;
824: my $docroot=$r->dir_config('lonDocRoot');
825: my $resfn=$docroot.'/res/'.$udom.'/'.$uname.$fn;
826: my $resdir=$resfn;
827: $resdir=~s/\/[^\/]+$/\//;
828: $fn=~/\/([^\/]+)\.(\w+)$/;
829: my $main=$1;
830: my $suffix=$2;
831: opendir(DIR,$resdir);
832: while (my $filename=readdir(DIR)) {
833: if ($filename=~/^\Q$main\E\.(\d+)\.\Q$suffix\E$/) {
834: $versions ++;
835: }
836: }
837: closedir(DIR);
838: return $versions;
839: }
840:
841: 1;
842: __END__
843:
844:
845: =head1 NAME
846:
847: Apache::lonpubdir - Authoring space directory lister
848:
849: =head1 SYNOPSIS
850:
851: Invoked (for various locations) by /etc/httpd/conf/srm.conf:
852:
853: <LocationMatch "^/+priv.*/$">
854: PerlAccessHandler Apache::loncacc
855: SetHandler perl-script
856: PerlHandler Apache::lonpubdir
857: ErrorDocument 403 /adm/login
858: ErrorDocument 404 /adm/notfound.html
859: ErrorDocument 406 /adm/unauthorized.html
860: ErrorDocument 500 /adm/errorhandler
861: </LocationMatch>
862:
863: <Location /adm/pubdir>
864: PerlAccessHandler Apache::lonacc
865: SetHandler perl-script
866: PerlHandler Apache::lonpubdir
867: ErrorDocument 403 /adm/login
868: ErrorDocument 404 /adm/notfound.html
869: ErrorDocument 406 /adm/unauthorized.html
870: ErrorDocument 500 /adm/errorhandler
871: </Location>
872:
873: =head1 INTRODUCTION
874:
875: This module publishes a directory of files.
876:
877: This is part of the LearningOnline Network with CAPA project
878: described at http://www.lon-capa.org.
879:
880: =head1 HANDLER SUBROUTINE
881:
882: This routine is called by Apache and mod_perl.
883:
884: =over 4
885:
886: =item *
887:
888: read in information
889:
890: =item *
891:
892: start page output
893:
894: =item *
895:
896: run through list of files and attempt to publish unhidden files
897:
898: =back
899:
900: =head1 SUBROUTINES:
901:
902: =over
903:
904: =item startpage($r, $uame, $udom, $thisdisfn)
905:
906: Output the header of the page. This includes:
907: - The HTML header
908: - The H1/H3 stuff which includes the directory.
909:
910: startpage($r, $uame, $udom, $thisdisfn);
911: $r - The apache request object.
912: $uname - User name.
913: $udom - Domain name the user is logged in under.
914: $thisdisfn - Displayable version of the filename.
915:
916: =item getTitleString($fullname)
917:
918: Get the title string or "[untitled]" if the file has no title metadata:
919: Without the latter substitution, it's impossible to examine metadata for
920: untitled resources. Resources may be legitimately untitled, to prevent
921: searches from locating them.
922:
923: $str = getTitleString($fullname);
924: $fullname - Fully qualified filename to check.
925:
926: =item putdirectory($r, $base, $here, $dirname, $modtime, $targetdir, $bombs,
927: $numdir)
928:
929: Put out a directory table row:
930:
931: $r - Apache request object.
932: $reqfile - File in request.
933: $here - Where we are in directory tree.
934: $dirname - Name of directory special file.
935: $modtime - Encoded modification time.
936: targetdir - Publication target directory.
937: bombs - Reference to hash of URLs with runtime error messages.
938: numdir - Reference to scalar used to track number of sub-directories
939: in directory (used in form name for each "actions" dropdown).
940:
941: =back
942:
943: =cut
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