Annotation of loncom/publisher/lonpubdir.pm, revision 1.96

1.1       www         1: # The LearningOnline Network with CAPA
1.32      www         2: # Construction Space Directory Lister
1.16      albertel    3: #
1.96    ! banghart    4: # $Id: lonpubdir.pm,v 1.95 2006/09/13 21:43:26 albertel Exp $
1.16      albertel    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/
1.1       www        27: #
1.17      harris41   28: ###
1.1       www        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);
1.6       www        36: use Apache::loncacc;
1.17      harris41   37: use Apache::loncommon();
1.48      www        38: use Apache::lonhtmlcommon();
1.91      www        39: use Apache::londiff();
1.39      www        40: use Apache::lonlocal;
1.50      www        41: use Apache::lonmsg;
1.64      raeburn    42: use Apache::lonmenu;
                     43: use Apache::lonnet;
1.1       www        44: 
                     45: sub handler {
                     46: 
                     47:   my $r=shift;
                     48: 
                     49:   my $fn;
                     50: 
1.23      foxr       51: 
                     52: 
                     53:   $fn = getEffectiveUrl($r);
                     54: 
                     55:   # Validate access to the construction space and get username@domain.
1.6       www        56: 
                     57:   my $uname;
                     58:   my $udom;
                     59: 
1.9       www        60:   ($uname,$udom)=
1.6       www        61:     &Apache::loncacc::constructaccess(
1.9       www        62:              $fn,$r->dir_config('lonDefDomain')); 
                     63:   unless (($uname) && ($udom)) {
1.6       www        64:      $r->log_reason($uname.' at '.$udom.
1.78      albertel   65:          ' trying to list directory '.$env{'form.filename'}.
1.6       www        66:          ' ('.$fn.') - not authorized', 
                     67:          $r->filename); 
                     68:      return HTTP_NOT_ACCEPTABLE;
                     69:   }
1.23      foxr       70: 
1.32      www        71:   # Remove trailing / from directory name.
1.23      foxr       72: 
1.3       www        73:   $fn=~s/\/$//;
1.1       www        74: 
                     75:   unless ($fn) { 
1.78      albertel   76:      $r->log_reason($env{'user.name'}.' at '.$env{'user.domain'}.
1.2       www        77:          ' trying to list empty directory', $r->filename); 
1.1       www        78:      return HTTP_NOT_FOUND;
                     79:   } 
                     80: 
                     81: # ----------------------------------------------------------- Start page output
                     82: 
1.23      foxr       83:   my $thisdisfn=$fn;
                     84:   $thisdisfn=~s/^\/home\/$uname\/public_html//;	# subdirectory part of
                     85:                                                 # construction space. 
                     86:   my $docroot=$r->dir_config('lonDocRoot');     # Apache  londocument root.
1.1       www        87: 
1.23      foxr       88:   my $resdir=$docroot.'/res/'.$udom.'/'.$uname.$thisdisfn; # Resource directory
                     89:   my $targetdir=$udom.'/'.$uname.$thisdisfn; # Publiction target directory.
1.25      www        90:   my $linkdir='/priv/'.$uname.$thisdisfn;      # Full URL name of constr space.
1.1       www        91: 
1.50      www        92:   my %bombs=&Apache::lonmsg::all_url_author_res_msg($uname,$udom);
1.1       www        93: 
1.26      www        94:   &startpage($r, $uname, $udom, $thisdisfn);   # Put out the start of page.
1.78      albertel   95:   if ($env{'environment.remote'} eq 'off') {
1.65      albertel   96:       &dircontrols($r,$uname,$udom,$thisdisfn);    # Put out actions for directory, 
1.64      raeburn    97:                                                # browse/upload + new file page.
1.72      raeburn    98:   } else {
                     99:       &pubbuttons($r,$uname,$thisdisfn);
1.65      albertel  100:   }
1.64      raeburn   101:   &resourceactions($r,$uname,$udom,$thisdisfn); #Put out form used for printing/deletion etc.
                    102: 
                    103:   my $numdir = 0;
                    104:   my $numres = 0;
1.6       www       105:   
1.50      www       106:   # Start off the directory table.
1.64      raeburn   107:   $r->print('<h3>Directory Contents:</h3>');
1.92      albertel  108:   $r->print('<table id="LC_browser"><tr>'.
                    109:             '<th>'.&mt('Type').'</th>'.
                    110:             '<th>'.&mt('Actions').'</th>'.
                    111:             '<th>'.&mt('Name').'</th>'.
                    112:             '<th>'.&mt('Title').'</th>'.
                    113: 	    '<th>'.&mt('Status').'</th>'.
                    114:             '<th>'.&mt('Last Modified').
1.85      albertel  115: 	    '</th></tr>'."\n");
1.1       www       116: 
1.2       www       117:   my $filename;
1.23      foxr      118:   my $dirptr=16384;		# Mask indicating a directory in stat.cmode.
1.1       www       119: 
1.2       www       120:   opendir(DIR,$fn);
1.44      albertel  121:   my @files=sort {uc($a) cmp uc($b)} (readdir(DIR));
1.11      albertel  122:   foreach my $filename (@files) {
1.2       www       123:      my ($cdev,$cino,$cmode,$cnlink,
                    124:          $cuid,$cgid,$crdev,$csize,
                    125:          $catime,$cmtime,$cctime,
                    126:          $cblksize,$cblocks)=stat($fn.'/'.$filename);
1.12      www       127: 
1.10      albertel  128:      my $extension='';
                    129:      if ($filename=~/\.(\w+)$/) { $extension=$1; }
1.15      matthew   130:      if ($cmode&$dirptr) {
1.64      raeburn   131: 	 putdirectory($r, $thisdisfn, $linkdir, $filename, $cmtime,$targetdir,\%bombs,\$numdir);
1.17      harris41  132:      } elsif (&Apache::loncommon::fileembstyle($extension) ne 'hdn') {
1.64      raeburn   133: 	 putresource($r, $udom, $uname, $filename, $thisdisfn, $resdir, 
                    134: 		     $targetdir, $linkdir, $cmtime,\%bombs,\$numres);
1.14      albertel  135:      } else {
1.15      matthew   136: 	# "hidden" extension and not a directory, so hide it away.
1.2       www       137:      }
                    138:   }
                    139:   closedir(DIR);
                    140: 
1.89      albertel  141:   $r->print('</table>'.&Apache::loncommon::end_page());
1.1       www       142:   return OK;  
                    143: }
1.21      foxr      144: #
1.23      foxr      145: #  Gets the effective URL of the request and returns it:
                    146: #    $effn = getEffectiveUrl($r);
                    147: #       $r  - The Apache Request object.
                    148: sub getEffectiveUrl {
                    149:     my $r = shift;
                    150:     my $fn;
                    151:     
1.78      albertel  152:     if ($env{'form.filename'}) {	# If a form filename is defined.
                    153: 	$fn=$env{'form.filename'};
1.23      foxr      154: 	#
                    155: 	#   Replace the ~username of the URL with /home/username/public_html
                    156: 	#   so that we don't have to worry about ~ expansion internally.
                    157: 	#
1.32      www       158: 	$fn=~s/^http\:\/\/[^\/]+\///;
                    159:         $fn=~s/^\///;
                    160:         $fn=~s/\~(\w+)/\/home\/$1\/public_html/;
1.23      foxr      161: 	
                    162: 	#  Remove trailing / strings (?) 
                    163: 	
                    164: 	$fn=~s/\/[^\/]+$//;
1.24      albertel  165:     } else {
                    166: 	#   If no form is defined, use request filename.
                    167: 	$fn = $r->filename();
                    168: 	my $lonDocRoot=$r->dir_config('lonDocRoot');
                    169: 	if ( $fn =~ /$lonDocRoot/ ) {
                    170: 	    #internal authentication, needs fixup.
                    171: 	    $fn = $r->uri(); # non users do not get the full path request
                    172:                              # through SCRIPT_FILENAME
                    173: 	    $fn=~s|^/~(\w+)|/home/$1/public_html|;
                    174: 	}
1.23      foxr      175:     }
1.37      www       176:     $fn=~s/\/+/\//g;
1.23      foxr      177:     return $fn;
                    178: }
                    179: #
                    180: #   Output the header of the page.  This includes:
                    181: #   - The HTML header 
                    182: #   - The H1/H3  stuff which includes the directory.
                    183: #
                    184: #     startpage($r, $uame, $udom, $thisdisfn);
                    185: #      $r     - The apache request object.
                    186: #      $uname - User name.
                    187: #      $udom  - Domain name the user is logged in under.
                    188: #      $thisdisfn - Displayable version of the filename.
1.26      www       189: 
1.23      foxr      190: sub startpage {
                    191:     my ($r, $uname, $udom, $thisdisfn) = @_;
1.64      raeburn   192:     my $currdir = '/priv/'.$uname.$thisdisfn;
1.39      www       193:     &Apache::loncommon::content_type($r,'text/html');
1.23      foxr      194:     $r->send_http_header;
1.64      raeburn   195: 
1.68      raeburn   196:     my $formaction='/priv/'.$uname.$thisdisfn.'/';
1.89      albertel  197:     $formaction=~s|/+|/|g;
1.94      albertel  198:     my $pagetitle .= &Apache::loncommon::help_open_menu('','',3,'Authoring').
1.68      raeburn   199:         '<font face="Arial, Helvetica, sans-serif" size="+1"><b>Construction Space</b>:</font>&nbsp;'.
1.66      raeburn   200:         '<form name="dirs" method="post" action="'.$formaction.
1.68      raeburn   201:         '" target="_parent"><tt><b>'.
                    202:         &Apache::lonhtmlcommon::crumbs($uname.$thisdisfn.'/','_top','/priv','','+1',1)."</b></tt><br />".
1.64      raeburn   203:         &Apache::lonhtmlcommon::select_recent('construct','recent',
                    204:                  'this.form.action=this.form.recent.value;this.form.submit()').
1.66      raeburn   205:               '</form>';
                    206:     &Apache::lonhtmlcommon::store_recent('construct',$formaction,$formaction);
1.78      albertel  207:     if ($env{'environment.remote'} eq 'off') {
                    208: 	$env{'request.noversionuri'}=$currdir.'/';
1.89      albertel  209: 	$r->print(&Apache::loncommon::start_page('Construction Space',undef,
                    210: 						 {'body_title' =>
                    211: 						      $pagetitle,}));
1.65      albertel  212:     } else {
1.90      albertel  213: 	$r->print(&Apache::loncommon::start_page('Construction Space',undef));
1.65      albertel  214: 	$r->print($pagetitle);
                    215:     }
1.90      albertel  216: 
1.29      www       217:     my $pubdirscript=(<<ENDPUBDIRSCRIPT);
1.77      albertel  218: <script type="text/javascript">
1.73      raeburn   219: top.document.title = '$thisdisfn/ - LON-CAPA Construction Space';
1.37      www       220: // Store directory location for menu bar to find
                    221: 
1.68      raeburn   222: parent.lastknownpriv='/~$uname$thisdisfn/';
1.37      www       223: 
                    224: // Confirmation dialogues
                    225: 
1.64      raeburn   226:     function currdiract(theform) {
                    227:         if (theform.dirtask.options[theform.dirtask.selectedIndex].value == 'publish') {
1.79      www       228:             document.publishdir.filename.value = theform.filename.value;
                    229: 	    document.publishdir.submit();
1.64      raeburn   230:         }
                    231:         if (theform.dirtask.options[theform.dirtask.selectedIndex].value == 'editcat') {
1.66      raeburn   232:             top.location=theform.filename.value+'default.meta'
1.64      raeburn   233:         }
                    234:         if (theform.dirtask.options[theform.dirtask.selectedIndex].value == 'printdir' ) {
                    235:             document.printdir.postdata.value=theform.filename.value
                    236:             document.printdir.submit();
                    237:         }
1.88      raeburn   238:         if (theform.dirtask.options[theform.dirtask.selectedIndex].value == "delete") {
                    239:               var delform = document.delresource
                    240:               delform.filename.value = theform.filename.value
                    241:               delform.submit()
                    242:         }
1.64      raeburn   243:     }
                    244:   
                    245:     function checkUpload(theform) {
                    246:         if (theform.file == '') {
                    247:             alert("Please use 'Browse..' to choose a file first, before uploading")
                    248:             return 
                    249:         }
                    250:         theform.submit()  
                    251:     }
                    252: 
                    253:     function SetPubDir(theform,printForm) {
                    254:         if (theform.diraction.options[theform.diraction.selectedIndex].value == "open") {
1.75      albertel  255:             top.location = theform.openname.value
1.64      raeburn   256:             return
                    257:         }
                    258:         if (theform.diraction.options[theform.diraction.selectedIndex].value == "publish") {
1.79      www       259:             theform.submit();
1.64      raeburn   260:         }
                    261:         if (theform.diraction.options[theform.diraction.selectedIndex].value == "editcat") {
1.66      raeburn   262:             top.location=theform.filename.value+'default.meta'
1.64      raeburn   263:         }
1.68      raeburn   264:         if (theform.diraction.options[theform.diraction.selectedIndex].value == "printdir") {
1.64      raeburn   265:             theform.action = '/adm/printout'
                    266:             theform.postdata.value = theform.filename.value
                    267:             theform.submit()
                    268:         }
1.88      raeburn   269:         if (theform.diraction.options[theform.diraction.selectedIndex].value == "delete") {
                    270:               var delform = document.delresource
                    271:               delform.filename.value = theform.filename.value
                    272:               delform.submit()
                    273:         }
1.64      raeburn   274:         return
                    275:     }
                    276:     function SetResChoice(theform) {
                    277:       var activity = theform.reschoice.options[theform.reschoice.selectedIndex].value
                    278:       if ((activity == 'rename') || (activity == 'copy') || (activity == 'move')) {
                    279:           changename(theform,activity)
                    280:       }
                    281:       if (activity == 'publish') {
                    282:           var pubform = document.pubresource
                    283:           pubform.filename.value = theform.filename.value
                    284:           pubform.submit()
                    285:       }
                    286:       if (activity == 'delete') {
                    287:           var delform = document.delresource
                    288:           delform.filename.value = theform.filename.value
1.71      raeburn   289:           delform.submit()
1.64      raeburn   290:       }
                    291:       if (activity == 'obsolete') {
1.68      raeburn   292:           var pubform = document.pubresource
                    293:           pubform.filename.value = theform.filename.value
1.80      www       294:           pubform.makeobsolete.value=1;
1.68      raeburn   295:           pubform.submit()
1.64      raeburn   296:       }
                    297:       if (activity == 'print') {
1.68      raeburn   298:           document.printresource.postdata.value = theform.filename.value
1.64      raeburn   299:           document.printresource.submit()
                    300:       }
                    301:       if (activity == 'retrieve') {
1.68      raeburn   302:           document.retrieveres.filename.value = theform.filename.value
                    303:           document.retrieveres.submit()
1.64      raeburn   304:       }
1.82      www       305:       if (activity == 'cleanup') {
                    306:           document.cleanup.filename.value = theform.filename.value
                    307:           document.cleanup.submit()
                    308:       }
1.64      raeburn   309:       return
                    310:     }
                    311:     function changename(theform,activity) {
1.96    ! banghart  312:         var oldname=theform.dispfilename.value;
        !           313:         var newname=prompt('New Name',oldname);
1.64      raeburn   314:         if (newname == "" || !newname)  {
                    315:             return
                    316:         }
                    317:         document.moveresource.newfilename.value = newname
                    318:         document.moveresource.filename.value = theform.filename.value
                    319:         document.moveresource.action.value = activity
                    320:         document.moveresource.submit();
                    321:     }
1.29      www       322: </script>
                    323: ENDPUBDIRSCRIPT
1.64      raeburn   324:     $r->print($pubdirscript);
1.29      www       325: 
1.78      albertel  326:     if ((($uname ne $env{'user.name'}) || ($udom ne $env{'user.domain'})) &&
                    327: 	$env{'environment.remote'} ne 'off') {
1.39      www       328: 	$r->print('<h3>'.&mt('Co-Author').': '.$uname.' at '.$udom.
1.23      foxr      329: 		  '</h3>');
                    330:     }
1.64      raeburn   331: }
                    332: 
                    333: sub dircontrols {
                    334:     my ($r,$uname,$udom,$thisdisfn) = @_;
1.84      www       335:     my %lt=&Apache::lonlocal::texthash(
                    336:                                        cnpd => 'Cannot publish directory',
                    337:                                        cnrd => 'Cannot retrieve directory',
                    338:                                        mcdi => 'Must create new subdirectory inside a directory',
                    339:                                        pubr => 'Publish this Resource',
                    340:                                        pubd => 'Publish this Directory',
1.88      raeburn   341:                                        dedr => 'Delete Directory',
1.84      www       342:                                        rtrv => 'Retrieve Old Version',
                    343:                                        list => 'List Directory',
                    344:                                        uplo => 'Upload file',  
                    345:                                        dele => 'Delete',
                    346:                                        edit => 'Edit Catalog Information', 
                    347:                                        sela => 'Select Action',
                    348:                                        nfil => 'New file',
                    349:                                        nhtm => 'New HTML file',
                    350:                                        nprb => 'New problem',
                    351:                                        npag => 'New assembled page',
                    352:                                        nseq => 'New assembled sequence',
                    353:                                        ncrf => 'New custom rights file',
                    354:                                        nsty => 'New style file',
                    355:                                        nlib => 'New library file',
                    356:                                        nsub => 'New subdirectory',
                    357:                                        renm => 'Rename current file to',
                    358:                                        move => 'Move current file to',
                    359:                                        copy => 'Copy current file to',
                    360:                                        type => 'Type Name Here',
                    361:                                        go => 'Go',
                    362:                                        prnt => 'Print contents of directory',
                    363:                                        crea => 'Create a new directory or LON-CAPA document',
                    364: 				       acti => 'Actions for current directory',
                    365: 				       updc => 'Upload a new document'
                    366:                                       );
1.64      raeburn   367:     $r->print(<<END);
1.93      albertel  368:         <table id="LC_cstr_controls">
1.64      raeburn   369:          <tr>
1.93      albertel  370:           <th>$lt{'acti'}</th>
                    371:           <th>$lt{'updc'}</th>
                    372:           <th>$lt{'crea'}</th>
1.64      raeburn   373:         </tr>
                    374:         <tr>
1.93      albertel  375:          <td>
1.64      raeburn   376:           <form name="curractions" method="post" action="">
1.85      albertel  377:            <select name="dirtask" onchange="currdiract(this.form)">
1.84      www       378:             <option>$lt{'sela'}</option>
                    379:             <option value="publish">$lt{'pubd'}</option>
                    380:             <option value="editcat">$lt{'edit'}</option>
                    381:             <option value="printdir">$lt{'prnt'}</option>
1.88      raeburn   382:             <option value="delete">$lt{'dedr'}</option>
1.64      raeburn   383:            </select>
                    384:            <input type="hidden" name="filename" value="/~$uname$thisdisfn/" />
                    385:           </form>
                    386:           <form name="publishdir" method="post" action="/adm/publish" target="_parent">
                    387:            <input type="hidden" name="pubrec" value="" />
                    388:            <input type="hidden" name="filename" value="" />
                    389:           </form>
                    390:           <form name="printdir" method="post" action="/adm/printout" target="_parent">
                    391:            <input type="hidden" name="postdata" value="" />
                    392:           </form>
                    393:          </td>
1.93      albertel  394:          <td>
1.64      raeburn   395: 	    <form name="upublisher" enctype="multipart/form-data" method="post" action="/adm/upload" target="_parent">
                    396: 	      <input type="hidden" name="filename" value="/~$uname$thisdisfn/" />
                    397: 	      <input type="file" name="upfile" size="20" />
1.84      www       398: 	      <input type="button" value="$lt{'uplo'}"  onclick="checkUpload(this.form)" />
1.64      raeburn   399: 	    </form>
                    400: 	 </td>
1.93      albertel  401: 	 <td>
1.64      raeburn   402: 	    <form name="fileaction" method="post" action="/adm/cfile" target="_parent">
1.92      albertel  403: 	      <span style="white-space: nowrap">
1.64      raeburn   404: 		<input type="hidden" name="filename" value="/~$uname$thisdisfn/" />
1.84      www       405: 			  <select name="action">
                    406: 			    <option value="Select Action">$lt{'sela'}</option>
                    407: 			    <option value="newfile">$lt{'nfil'}:</option>
                    408: 			    <option value="newhtmlfile">$lt{'nhtm'}:</option>
                    409: 			    <option value="newproblemfile">$lt{'nprb'}:</option>
                    410:                             <option value="newpagefile">$lt{'npag'}:</option>
                    411:                             <option value="newsequencefile">$lt{'nseq'}:</option>
                    412:                             <option value="newrightsfile">$lt{'ncrf'}:</option>
                    413:                             <option value="newstyfile">$lt{'nsty'}:</option>
                    414:                             <option value="newlibraryfile">$lt{'nlib'}:</option>
                    415: 			    <option value="newdir">$lt{'nsub'}:</option>
1.64      raeburn   416: 		  </select>&nbsp;<input type="text" name="newfilename" value="Type Name Here" onfocus="if (this.value == 'Type Name Here') this.value=''" />&nbsp;<input type="button" value="Go" onclick="document.fileaction.submit()" />
1.92      albertel  417: 		 </span>
1.64      raeburn   418: 		</form>
                    419: 	  </td>
                    420:          </tr>
                    421:         </table>
                    422: END
                    423: }
                    424: 
1.72      raeburn   425: sub pubbuttons {
                    426:     my ($r,$uname,$thisdisfn) = @_;
                    427:     $r->print('<form method="post" action="/adm/publish" target="_parent">'.
                    428:               '<table><tr><td><input type="hidden" name="filename" value="/~'.
                    429:                $uname.$thisdisfn.'/" />'.
1.79      www       430:               '<input type="submit" value="'.&mt('Publish Directory').'" /></td><td>'.
1.85      albertel  431: '<input type="button" onclick="window.location='."'/~".
1.72      raeburn   432:                $uname.$thisdisfn."/default.meta'".'" value="'.
                    433: &mt('Edit Directory Catalog Information').'" /></td></tr></table></form>');
                    434: }
                    435: 
1.64      raeburn   436: sub resourceactions {
                    437:     my ($r,$uname,$udom,$thisdisfn) = @_;
                    438:     $r->print(<<END);
                    439:        <form name="moveresource" action="/adm/cfile" target="_parent" method="post">
                    440:          <input type="hidden" name="filename" value="" />
                    441:          <input type="hidden" name="newfilename" value="" />
                    442:          <input type="hidden" name="action" value="" />
                    443:        </form>
                    444:        <form name="delresource" action="/adm/cfile" target="_parent" method="post">
                    445:          <input type="hidden" name="filename" value="" />
                    446:          <input type="hidden" name="action" value="delete" />
                    447:        </form>
                    448:        <form name="pubresource" action="/adm/publish" target="_parent" method="post">
                    449:          <input type="hidden" name="filename" value="" />
1.80      www       450:          <input type="hidden" name="makeobsolete" value="0" />
1.64      raeburn   451:        </form>
                    452:        <form name="printresource" action="/adm/printout" target="_parent" method="post">
                    453:            <input type="hidden" name="postdata" value="" />
                    454:        </form>
                    455:        <form name="retrieveres" action="/adm/retrieve" target="_parent" method="post">
                    456:            <input type="hidden" name="filename" value="" />
                    457:        </form>
1.82      www       458:        <form name="cleanup" action="/adm/cleanup" target="_parent" method="post">
                    459:            <input type="hidden" name="filename" value="" />
                    460:        </form>
1.64      raeburn   461: END
1.23      foxr      462: }
                    463: 
                    464: #
                    465: #   Get the title string or "[untitled]" if the file has no title metadata:
                    466: #   Without the latter substitution, it's impossible to examine metadata for
                    467: #   untitled resources.  Resources may be legitimately untitled, to prevent
                    468: #   searches from locating them.
                    469: #
                    470: #   $str = getTitleString($fullname);
                    471: #       $fullname - Fully qualified filename to check.
                    472: #
                    473: sub getTitleString {
                    474:     my $fullname = shift;
                    475:     my $title    = &Apache::lonnet::metadata($fullname, 'title');
                    476: 
                    477:     unless ($title) {
1.40      www       478: 	$title = "[".&mt('untitled')."]";
1.23      foxr      479:     }
                    480:     return $title;
                    481: }
                    482: 
1.55      www       483: sub getCopyRightString {
                    484:     my $fullname = shift;
                    485:     return &Apache::lonnet::metadata($fullname, 'copyright');
                    486: }
1.61      www       487: 
                    488: sub getSourceRightString {
                    489:     my $fullname = shift;
                    490:     return &Apache::lonnet::metadata($fullname, 'sourceavail');
                    491: }
1.23      foxr      492: #
1.21      foxr      493: #  Put out a directory table row:
                    494: #    putdirectory(r, base, here, dirname, modtime)
                    495: #      r       - Apache request object.
                    496: #      reqfile - File in request.
                    497: #      here    - Where we are in directory tree.
                    498: #      dirname - Name of directory special file.
                    499: #      modtime - Encoded modification time.
                    500: # 
                    501: sub putdirectory {
1.64      raeburn   502:     my ($r, $reqfile, $here, $dirname, $modtime, $resdir, $bombs, $numdir) = @_;
1.21      foxr      503:     # construct the display filename: the directory name unless ..:
                    504:     
                    505:     my $disfilename = $dirname;
                    506:     if ($dirname eq '..') {
1.39      www       507: 	$disfilename = '<i>'.&mt('Parent Directory').'</i>';
1.21      foxr      508:     }
1.64      raeburn   509:     unless ( (($dirname eq '..') && ($reqfile eq '')) || ($dirname eq '.')) {
1.50      www       510: 	my $kaputt=0;
                    511: 	foreach (keys %{$bombs}) {
1.56      albertel  512: 	    if ($_=~m:^\Q$resdir\E/\Q$disfilename\E/:) { $kaputt=1; last; }
1.50      www       513: 	}
1.52      www       514: 	%Apache::lonpublisher::metadatafields=();
                    515: 	%Apache::lonpublisher::metadatakeys=();
                    516: 	my $construct=$here;
1.56      albertel  517: 	$construct=~s:^/priv/(\w+)$:/home/$1/public_html:;
1.67      raeburn   518:         my $dirpath = $here;
                    519:         $dirpath=~s:^/priv/:/~:;
1.52      www       520: 	&Apache::lonpublisher::metaeval(&Apache::lonnet::getfile(
                    521:        				 $construct.'/'.$dirname.'/default.meta'
                    522: 								 ));
1.64      raeburn   523:         my $actionitem = '';
                    524:         if ($dirname eq '..') {
                    525:             $actionitem = 'Go to ...';
                    526:         } else {
                    527:             $actionitem = 
                    528:                     '<form name="dirselect_'.$$numdir.
                    529:                     '" action="/adm/publish" target="_parent">'.
1.85      albertel  530:                     '<select name="diraction" onchange="SetPubDir(this.form,document)">'.
1.64      raeburn   531:                       '<option selected="selected">'.&mt('Select action').'</option>'.
                    532:                       '<option value="open">'.&mt('Open').'</option>'.
                    533:                       '<option value="publish">'.&mt('Publish').'</option>'.
                    534:                       '<option value="editcat">'.&mt('Edit catalog information').'</option>'.
1.77      albertel  535:                       '<option value="printdir">'.&mt('Print directory').'</option>'.
1.88      raeburn   536:                       '<option value="delete">'.&mt('Delete directory').'</option>'.
1.64      raeburn   537:                     '</select>'.
1.86      albertel  538:                      '<input type="hidden" name="filename" value="'.&HTML::Entities::encode($dirpath.'/'.$dirname,'<>&"').'/" />'.
1.75      albertel  539:                      '<input type="hidden" name="openname" value="'.$here.'/'.$dirname.'/" />'.
1.64      raeburn   540:                      '<input type="hidden" name="postdata" value="" />'.
                    541:                    '</form>';
                    542:             $$numdir ++;
                    543:         }
1.92      albertel  544: 	$r->print('<tr class="LC_browser_folder">'.
1.53      www       545: 		  '<td><img src="'.
1.86      albertel  546: 		  $Apache::lonnet::perlvar{'lonIconsURL'}.'/folder_closed.gif" alt="folder" /></td>'.
1.64      raeburn   547: 		  '<td>'.$actionitem.'</td>'.
1.92      albertel  548: 		  '<td><span class="LC_filename"><a href="'.&HTML::Entities::encode($here.'/'.$dirname,'<>&"').'/" target="_parent">'.
                    549: 		  $disfilename.'</a></span></td>'.
                    550: 		        '<td colspan="2">'.($kaputt?&Apache::lonhtmlcommon::authorbombs($resdir.'/'.$disfilename.'/'):'').$Apache::lonpublisher::metadatafields{'title'});
                    551: 	if ($Apache::lonpublisher::metadatafields{'subject'} ne '') {
                    552: 	    $r->print(' <i>'.
                    553: 		      $Apache::lonpublisher::metadatafields{'subject'}.
                    554: 		      '</i> ');
                    555: 	}
                    556: 	$r->print($Apache::lonpublisher::metadatafields{'keywords'}.'</td>'.
1.42      www       557: 		  '<td>'.&Apache::lonlocal::locallocaltime($modtime).'</td>'.
1.25      www       558: 		  "</tr>\n");
1.64      raeburn   559:     }
1.21      foxr      560:     return OK;
                    561: }
1.22      foxr      562: #
                    563: #   Put a table row for a file resource.
                    564: #
                    565: sub putresource {
1.64      raeburn   566:     my ($r, $udom, $uname, $filename, $thisdisfn, 
1.22      foxr      567: 	$resdir, $targetdir, $linkdir,
1.64      raeburn   568: 	$cmtime,$bombs,$numres) = @_;
1.81      www       569:     &Apache::lonnet::devalidate_cache_new('meta',$targetdir.'/'.$filename);
1.64      raeburn   570:     my $pubstatus = 'unpublished';
1.47      sakharuk  571:     my $status=&mt('Unpublished');
1.92      albertel  572:     my $css_class='LC_browser_file';
1.22      foxr      573:     my $title='&nbsp;';
1.60      albertel  574:     my $publish_button=&mt('Publish');
1.95      albertel  575:     my $cstr_dir = '/home/'.$uname.'/public_html/'.$thisdisfn.'/';
1.64      raeburn   576: #    my $action_buttons=
                    577: #        '<br /><a target="_parent" href="/adm/cfile?action=delete&filename=/~'.
                    578: #	$uname.'/'.$thisdisfn.'/'.$filename.'">'.
                    579: #	&mt('Delete').'</a>';
1.22      foxr      580:     if (-e $resdir.'/'.$filename) {
1.91      www       581:         my $same=0;
1.22      foxr      582: 	my ($rdev,$rino,$rmode,$rnlink,
                    583: 	    $ruid,$rgid,$rrdev,$rsize,
                    584: 	    $ratime,$rmtime,$rctime,
                    585: 	    $rblksize,$rblocks)=stat($resdir.'/'.$filename);
1.91      www       586:         if ($rmtime>=$cmtime) {
                    587:            $same=1;
                    588:         } else {
                    589:            if (&Apache::londiff::are_different_files($resdir.'/'.$filename,
1.95      albertel  590: 						     $cstr_dir.'/'.$filename)) {
1.91      www       591:               $same=0;
                    592:            } else {
                    593:               $same=1;
                    594:            }
                    595:         }
1.95      albertel  596: 	my $meta_cmtime = (stat($cstr_dir.'/'.$filename.'.meta'))[9];
                    597: 	my $meta_rmtime = (stat($resdir.'/'.$filename.'.meta'))[9];
                    598: 	my $meta_same = 1;
                    599: 	if ($meta_rmtime < $meta_cmtime
                    600: 	    && &Apache::londiff::are_different_files($resdir.'/'.$filename.'.meta',
                    601: 						     $cstr_dir.'/'.$filename.'.meta')) {
                    602: 	    $meta_same = 0;
                    603: 	}
1.64      raeburn   604: 	$publish_button=&mt('Re-publish');
1.95      albertel  605: 	my $rights_status =
                    606: 	    &mt(&getCopyRightString($targetdir.'/'.$filename)).' '.
                    607: 	    &mt(&getSourceRightString($targetdir.'/'.$filename));
                    608: 	$title = '<a href="/res/'.$targetdir.'/'.$filename.
                    609: 	    '.meta" target="cat">'.
                    610: 	    &getTitleString($targetdir.'/'.$filename).'</a>';
                    611: 	&Apache::lonnet::logthis("same $same meta $meta_same");
1.91      www       612: 	if ($same) {
1.40      www       613: 	    if (&Apache::lonnet::metadata($targetdir.'/'.$filename,'obsolete')) {
1.64      raeburn   614:                 $pubstatus = 'obsolete';
1.41      www       615: 		$status=&mt('Obsolete');
1.95      albertel  616:             } else {
                    617: 		if (!$meta_same) {
                    618: 		    $pubstatus = 'metamodified';
                    619: 		} else {
                    620: 		    $pubstatus = 'published';
                    621: 		}
                    622: 		$status=&mt('Published').
                    623: 		    '<br />'. $rights_status;
                    624: 	    }
1.64      raeburn   625: #	    } else {
                    626: #		$action_buttons='';
                    627: #	    }
1.22      foxr      628: 	} else {
1.64      raeburn   629:             $pubstatus = 'modified';
1.95      albertel  630: 	    $status=&mt('Modified').
                    631: 		'<br />'. $rights_status;
1.64      raeburn   632: #	    $action_buttons='';
1.22      foxr      633: 	    if (&Apache::loncommon::fileembstyle(($filename=~/\.(\w+)$/)) eq 'ssi') {
1.57      www       634: 		$status.='<br /><a href="/adm/diff?filename=/~'.$uname.
1.22      foxr      635: 		    $thisdisfn.'/'.$filename.
1.77      albertel  636: 		    '&amp;versiontwo=priv" target="cat">'.&mt('Diffs').'</a>';
1.22      foxr      637: 	    }
1.95      albertel  638: 	} 
                    639: 
1.77      albertel  640: 	$title.="\n".'<br /><a href="/~'.$uname.$thisdisfn.'/'.$filename.'.meta">'. 
1.86      albertel  641: 	    ($$bombs{$targetdir.'/'.$filename}?'<img src="/adm/lonMisc/bomb.gif" border="0" alt="bomb" />':'Edit Metadata').'</a>';
1.95      albertel  642: 
                    643: 	if (!$meta_same) {
                    644: 	    $title = &mt('Metadata Modified').'<br />'.$title.
                    645: 		'<br /><a href="/adm/diff?filename=/~'.$uname.
                    646: 		$thisdisfn.'/'.$filename.'.meta'.
                    647: 		'&amp;versiontwo=priv" target="cat">'.&mt('Metadata Diffs').'</a>';
                    648: 	    $title.="\n".'<br /><a href="/adm/retrieve?filename=/~'.$uname.
                    649: 		$thisdisfn.'/'.$filename.'.meta" target="_parent">'.&mt('Retrieve Metadata').'</a>';
                    650: 	}
1.77      albertel  651: 	$status.="\n".'<br /><a href="/adm/retrieve?filename=/~'.$uname.
1.64      raeburn   652: 	    $thisdisfn.'/'.$filename.'" target="_parent">'.&mt('Retrieve').'</a>';
1.22      foxr      653:     }
1.33      www       654:     my $editlink='';
1.38      taceyjo1  655:     my $editlink2='';
1.36      www       656:     if ($filename=~/\.(xml|html|htm|xhtml|xhtm|sty)$/) {
1.64      raeburn   657: 	$editlink=' <br />(<a href="'.$linkdir.'/'.$filename.'?forceedit=1" target="_parent">'.&mt('Edit').'</a>)';
1.34      www       658:     }
                    659:     if ($filename=~/\.(problem|exam|quiz|assess|survey|form|library)$/) {
1.64      raeburn   660: 	$editlink=' (<a href="'.$linkdir.'/'.$filename.'?forceedit=1" target="_parent">'.&mt('EditXML').'</a>)';
                    661: 	$editlink2=' <br />(<a href="'.$linkdir.'/'.$filename.'?forceColoredit=1" target="_parent">'.&mt('Edit').'</a>)';
1.43      taceyjo1  662:     }
1.82      www       663:     if ($filename=~/\.(problem|exam|quiz|assess|survey|form|library|xml|html|htm|xhtml|xhtm|sty)$/) {
1.83      www       664: 	$editlink.=' (<a href="/adm/cleanup?filename=/~'.$uname.
                    665: 	    $thisdisfn.'/'.$filename.'" target="_parent">'.&mt('Clean Up').')</a>';
1.82      www       666:     }
1.43      taceyjo1  667:     if ($filename=~/\.(zip|tar|bz2|gz|tar.gz|tar.bz2|tgz)$/) {
1.46      taceyjo1  668: 	$editlink=' (<a target="_parent" href="/adm/cfile?decompress=/~'.
                    669: 	      $uname.$thisdisfn.'/'.$filename.'">'.&mt('Decompress').'</a>)';
1.33      www       670:     }
1.64      raeburn   671:     my $pub_select = '';
                    672:     &create_pubselect($r,\$pub_select,$udom,$uname,$thisdisfn,$filename,$resdir,$pubstatus,$publish_button,$numres);
1.92      albertel  673:     $r->print('<tr class="LC_browser_file_'.$pubstatus.'">'.
1.53      www       674: 	      '<td>'.($filename=~/[\#\~]$/?'&nbsp;':
1.86      albertel  675: 		      '<img src="'.&Apache::loncommon::icon($filename).'" alt="" />').'</td>'.
1.64      raeburn   676:               '<td>'.$pub_select.'</td>'.
1.92      albertel  677: 	      '<td><span class="LC_filename"> '.
1.64      raeburn   678: 	      '<a href="'.$linkdir.'/'.$filename.'" target="_parent">'.
1.92      albertel  679:                $filename.'</a></span>'.$editlink2.$editlink.
1.22      foxr      680: 	      '</td>'.
                    681: 	      '<td>'.$title.'</td>'.
1.41      www       682: 	      '<td>'.$status.'</td>'.
1.42      www       683: 	      '<td>'.&Apache::lonlocal::locallocaltime($cmtime).'</td>'.
1.25      www       684: 	      "</tr>\n");
1.22      foxr      685:     return OK;
1.23      foxr      686: }
1.64      raeburn   687: 
                    688: sub create_pubselect {
                    689:     my ($r,$pub_select,$udom,$uname,$thisdisfn,$filename,$resdir,$pubstatus,$publish_button,$numres) = @_;
                    690:     $$pub_select = '
                    691: <form name="resselect_'.$$numres.'" action="">
1.85      albertel  692: <select name="reschoice"  onchange="SetResChoice(this.form)">
1.77      albertel  693: <option>'.&mt('Select action').'</option>'.
                    694: '<option value="copy">'.&mt('Copy').'</option>';
1.68      raeburn   695:     if ($pubstatus eq 'obsolete' || $pubstatus eq 'unpublished') {
                    696:         $$pub_select .= 
1.77      albertel  697: '<option value="rename">'.&mt('Rename').'</option>'.
                    698: '<option value="move">'.&mt('Move').'</option>'.
                    699: '<option value="delete">'.&mt('Delete').'</option>';
1.64      raeburn   700:     } else {
                    701:         $$pub_select .= '
1.77      albertel  702: <option value="obsolete">'.&mt('Mark obsolete').'</option>';
1.64      raeburn   703:     }
                    704: # check for versions
                    705:     my $versions = &check_for_versions($r,'/'.$filename,$udom,$uname);
                    706:     if ($versions > 0) {
                    707:         $$pub_select .='
1.77      albertel  708: <option value="retrieve">'.&mt('Retrieve old version').'</option>';
1.64      raeburn   709:     }
                    710:     $$pub_select .= '
1.77      albertel  711: <option value="publish">'.$publish_button.'</option>'.
1.82      www       712: '<option value="cleanup">'.&mt('Clean up').'</option>'.
1.77      albertel  713: '<option value="print">'.&mt('Print').'</option>'.
1.68      raeburn   714: '</select>
1.64      raeburn   715: <input type="hidden" name="filename" value="/~'.
1.96    ! banghart  716:  &HTML::Entities::encode($uname.$thisdisfn.'/'.$filename,'<>&"').'" />
        !           717:  <input type="hidden" name="dispfilename" value="'.
        !           718:  &HTML::Entities::encode($filename).'"</form>';
1.64      raeburn   719:     $$numres ++;
                    720: }
                    721: 
                    722: sub check_for_versions {
                    723:     my ($r,$fn,$udom,$uname) = @_;
                    724:     my $versions = 0;
                    725:     my $docroot=$r->dir_config('lonDocRoot');
                    726:     my $resfn=$docroot.'/res/'.$udom.'/'.$uname.$fn;
                    727:     my $resdir=$resfn;
                    728:     $resdir=~s/\/[^\/]+$/\//;
                    729:     $fn=~/\/([^\/]+)\.(\w+)$/;
                    730:     my $main=$1;
                    731:     my $suffix=$2;
                    732:     opendir(DIR,$resdir);
                    733:     while (my $filename=readdir(DIR)) {
                    734:         if ($filename=~/^\Q$main\E\.(\d+)\.\Q$suffix\E$/) {
                    735:             $versions ++;        
                    736:         }
                    737:     }
                    738:     return $versions;
                    739: }
                    740: 
1.23      foxr      741: #
                    742: #   Categorize files in the directory.
                    743: #   For each file in a list of files in a file directory, 
                    744: #   the  file categorized as one of:
                    745: #    - directory  
                    746: #    - sequence
                    747: #    - problem 
                    748: #    - Other resource.
                    749: #
                    750: #   For each file the modification date is determined as well.
                    751: #   Returned is a list of sublists:
                    752: #    (directories, sequences, problems, other)
                    753: #   each of the sublists contains entries of the following form (sorted by
                    754: #   filename):
                    755: #     (filename, typecode, lastmodtime)
                    756: #
                    757: #   $list = CategorizeFiles($location, $files)
                    758: #       $location   - Directory in which the files live (relative to our
                    759: #                     execution.
                    760: #       $files      - list of files.
                    761: #
                    762: sub CategorizeFiles {
                    763:     my $location = shift;
                    764:     my $files    = shift;
1.22      foxr      765: }
                    766: 
1.4       www       767: 1;
                    768: __END__
1.17      harris41  769: 
                    770: =head1 NAME
                    771: 
1.32      www       772: Apache::lonpubdir - Construction space directory lister
1.17      harris41  773: 
                    774: =head1 SYNOPSIS
                    775: 
                    776: Invoked (for various locations) by /etc/httpd/conf/srm.conf:
                    777: 
1.18      harris41  778:  <LocationMatch "^/\~.*/$">
                    779:  PerlAccessHandler       Apache::loncacc
                    780:  SetHandler perl-script
                    781:  PerlHandler Apache::lonpubdir
                    782:  ErrorDocument     403 /adm/login
                    783:  ErrorDocument     404 /adm/notfound.html
                    784:  ErrorDocument     406 /adm/unauthorized.html
                    785:  ErrorDocument	  500 /adm/errorhandler
                    786:  </LocationMatch>
                    787: 
                    788:  <Location /adm/pubdir>
                    789:  PerlAccessHandler       Apache::lonacc
                    790:  SetHandler perl-script
                    791:  PerlHandler Apache::lonpubdir
                    792:  ErrorDocument     403 /adm/login
                    793:  ErrorDocument     404 /adm/notfound.html
                    794:  ErrorDocument     406 /adm/unauthorized.html
                    795:  ErrorDocument	  500 /adm/errorhandler
                    796:  </Location>
1.17      harris41  797: 
                    798: =head1 INTRODUCTION
                    799: 
1.18      harris41  800: This module publishes a directory of files.
1.17      harris41  801: 
                    802: This is part of the LearningOnline Network with CAPA project
                    803: described at http://www.lon-capa.org.
                    804: 
                    805: =head1 HANDLER SUBROUTINE
                    806: 
                    807: This routine is called by Apache and mod_perl.
                    808: 
                    809: =over 4
                    810: 
                    811: =item *
                    812: 
                    813: read in information
                    814: 
                    815: =item *
                    816: 
                    817: start page output
                    818: 
                    819: =item *
                    820: 
                    821: run through list of files and attempt to publish unhidden files
                    822: 
                    823: =back
                    824: 
                    825: =cut

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