Return to loncfile.pm CVS log

Up to [LON-CAPA] / loncom / publisher

Copy action

    1: # The LearningOnline Network with CAPA
    2: # Handler to rename files, etc, in construction space
    3: #
    4: # (Handler to retrieve an old version of a file
    5: #
    6: # (Publication Handler
    7: # 
    8: # (TeX Content Handler
    9: #
   10: # 05/29/00,05/30,10/11 Gerd Kortemeyer)
   11: #
   12: # 11/28,11/29,11/30,12/01,12/02,12/04,12/23 Gerd Kortemeyer
   13: # 03/23 Guy Albertelli
   14: # 03/24,03/29 Gerd Kortemeyer)
   15: #
   16: # 03/31,04/03,05/02,05/09,06/23 Gerd Kortemeyer)
   17: #
   18: # 06/23 Gerd Kortemeyer
   19: 
   20: package Apache::loncfile;
   21: 
   22: use strict;
   23: use Apache::File;
   24: use File::Copy;
   25: use Apache::Constants qw(:common :http :methods);
   26: use Apache::loncacc;
   27: 
   28: sub phaseone {
   29:     my ($r,$fn,$uname,$udom)=@_;
   30:     my $docroot=$r->dir_config('lonDocRoot');
   31: 
   32:     my $urldir='/res/'.$udom.'/'.$uname.$fn;
   33:     $urldir=~s/\/[^\/]+$/\//;
   34: 
   35:     my $resfn=$docroot.'/res/'.$udom.'/'.$uname.$fn;
   36:     my $resdir=$resfn;
   37:     $resdir=~s/\/[^\/]+$/\//;
   38: 
   39:     $fn=~/\/([^\/]+)\.(\w+)$/;
   40:     my $main=$1;
   41:     my $suffix=$2;
   42: 
   43:     if (-e $resfn) {  
   44:     $r->print('<form action=/adm/retrieve method=post>'.
   45: 	      '<input type=hidden name=filename value="/~'.$uname.$fn.'">'.
   46:               '<input type=hidden name=phase value=two>'.
   47:               '<table border=2><tr><th>Select</th><th>Version</th>'.
   48:               '<th>Became this version on ...</th>'.
   49:               '<th>Metadata</th></tr>');
   50:     my $filename;
   51:     opendir(DIR,$resdir);
   52:     while ($filename=readdir(DIR)) {
   53:         if ($filename=~/^$main\.(\d+)\.$suffix$/) {
   54: 	   my $version=$1;
   55:            my ($rdev,$rino,$rmode,$rnlink,
   56:                 $ruid,$rgid,$rrdev,$rsize,
   57:                 $ratime,$rmtime,$rctime,
   58:                 $rblksize,$rblocks)=stat($resdir.'/'.$filename);
   59:            $r->print('<tr><td><input type=radio name=version value="'.
   60:                      $version.'"></td><th>'.$version.'</th><td>'.
   61:                      localtime($rmtime).'</td><td>'.
   62:                      '<a href="'.$urldir.$filename.'.meta" target=cat>'.
   63:                      'Metadata Version '.$version.'</a>');
   64:            if (&Apache::lonnet::fileembstyle($suffix) eq 'ssi') {
   65:                $r->print(
   66:                     '&nbsp;&nbsp;<a target=cat href="/adm/diff?filename=/~'.
   67:                         $uname.$fn.
   68:                         '&versionone=priv&versiontwo='.$version.
   69:                         '">Diffs with Version '.$version.'</a>');
   70:            }
   71:            $r->print('</a></td></tr>');
   72:         }
   73:     }
   74:     closedir(DIR);
   75:     my ($rdev,$rino,$rmode,$rnlink,
   76:         $ruid,$rgid,$rrdev,$rsize,
   77:         $ratime,$rmtime,$rctime,
   78:         $rblksize,$rblocks)=stat($resfn);
   79:     $r->print('<tr><td><input type=radio name=version value="new"></td>'.
   80:               '<th>Current</th><td>'.localtime($rmtime).
   81:            '</td><td><a href="'.$urldir.$main.'.'.$suffix.'.meta" target=cat>'.
   82:               'Metadata current version</a>');           
   83:            if (&Apache::lonnet::fileembstyle($suffix) eq 'ssi') {
   84:                $r->print(
   85:                     '&nbsp;&nbsp;<a target=cat href="/adm/diff?filename=/~'.
   86:                         $uname.$fn.
   87:                         '&versionone=priv'.
   88:                         '">Diffs with current Version</a>');
   89:            }
   90:            $r->print('</td></tr></table><p>'.
   91:            '<font size=+1 color=red>Retrieval of an old version will '.
   92:            'overwrite the file currently in construction space</font><p>'.
   93:            '<input type=submit value="Retrieve version"></form>');
   94: } else {
   95:     $r->print('<h3>No previous versions published.</h3>');
   96: }
   97: }
   98: 
   99: sub phasetwo {
  100:     my ($r,$fn,$uname,$udom)=@_;
  101:     if ($ENV{'form.version'}) {
  102:         my $version=$ENV{'form.version'};
  103: 	if ($version eq 'new') {
  104: 	    $r->print('<h3>Retrieving current (most recent) version</h3>');
  105:         } else {
  106:             $r->print('<h3>Retrieving old version '.$version.'</h3>');
  107:         }
  108:         my $logfile;
  109:         my $ctarget='/home/'.$uname.'/public_html'.$fn;
  110:         my $vfn=$fn;
  111:         if ($version ne 'new') {
  112: 	    $vfn=~s/\.(\w+)$/\.$version\.$1/;
  113:         }
  114:         my $csource=$r->dir_config('lonDocRoot').'/res/'.$udom.'/'.$uname.$vfn;
  115:         unless ($logfile=Apache::File->new('>>'.$ctarget.'.log')) {
  116: 	  $r->print(
  117:          '<font color=red>No write permission to user directory, FAIL</font>');
  118:         }
  119:         print $logfile 
  120: "\n\n================= Retrieve ".localtime()." ================\n".
  121: "Version: $version\nSource: $csource\nTarget: $ctarget\n";
  122:         $r->print('<p>Copying file: ');
  123:         if (copy($csource,$ctarget)) {
  124: 	    $r->print('ok<p>');
  125:             print $logfile "Copied sucessfully.\n\n";
  126:         } else {
  127:             my $error=$!;
  128: 	    $r->print('fail, '.$error.'<p>');
  129:             print $logfile "Copy failed: $error\n\n";
  130:         }
  131:         $r->print('<font size=+2><a href="/priv/'.$uname.$fn.
  132:                   '">Back to '.$fn.'</a></font>'); 
  133:     } else {
  134:        $r->print(
  135:    '<font size=+1 color=red>Please pick a version to retrieve</font><p>');
  136:        &phaseone($r,$fn,$uname,$udom);
  137:     }
  138: }
  139: 
  140: sub handler {
  141: 
  142:   my $r=shift;
  143: 
  144:   my $fn;
  145: 
  146:   if ($ENV{'form.filename'}) {
  147:       $fn=$ENV{'form.filename'};
  148:       $fn=~s/^http\:\/\/[^\/]+//;
  149:   } else {
  150:      $r->log_reason($ENV{'user.name'}.' at '.$ENV{'user.domain'}.
  151:          ' unspecified filename for cfile', $r->filename); 
  152:      return HTTP_NOT_FOUND;
  153:   }
  154: 
  155:   unless ($fn) { 
  156:      $r->log_reason($ENV{'user.name'}.' at '.$ENV{'user.domain'}.
  157:          ' trying to cfile non-existing file', $r->filename); 
  158:      return HTTP_NOT_FOUND;
  159:   } 
  160: 
  161: # ----------------------------------------------------------- Start page output
  162:   my $uname;
  163:   my $udom;
  164: 
  165:   ($uname,$udom)=
  166:     &Apache::loncacc::constructaccess($fn,$r->dir_config('lonDefDomain'));
  167:   unless (($uname) && ($udom)) {
  168:      $r->log_reason($uname.' at '.$udom.
  169:          ' trying to publish file '.$ENV{'form.filename'}.
  170:          ' ('.$fn.') - not authorized', 
  171:          $r->filename); 
  172:      return HTTP_NOT_ACCEPTABLE;
  173:   }
  174: 
  175:   $fn=~s/\/\~(\w+)//;
  176: 
  177:   $r->content_type('text/html');
  178:   $r->send_http_header;
  179: 
  180:   $r->print('<html><head><title>LON-CAPA Construction Space</title></head>');
  181: 
  182:   $r->print(
  183:    '<body bgcolor="#FFFFFF"><img align=right src=/adm/lonIcons/lonlogos.gif>');
  184: 
  185:   
  186:   $r->print('<h1>Construction Space <tt>'.$fn.'</tt></h1>');
  187:   
  188:   if (($uname ne $ENV{'user.name'}) || ($udom ne $ENV{'user.domain'})) {
  189:           $r->print('<h3><font color=red>Co-Author: '.$uname.' at '.$udom.
  190:                '</font></h3>');
  191:   }
  192: 
  193:   if ($ENV{'form.action'} eq 'delete') {
  194:       $r->print('<h3>Delete</h3>');
  195:   } elsif ($ENV{'form.action'} eq 'rename') {
  196:       $r->print('<h3>Rename</h3>');
  197:   } elsif ($ENV{'form.action'} eq 'newdir') {
  198:       $r->print('<h3>New Directory</h3>');
  199:   } elsif ($ENV{'form.action'} eq 'copy') {
  200:       $r->print('<h3>Copy</h3>');
  201:   } else {
  202:      $r->print('<p>Unknown Action</body></html>');
  203:      return OK;  
  204:   }
  205:   if ($ENV{'form.phase'} eq 'two') {
  206: #      &phasetwo($r,$fn,$uname,$udom);
  207:   } else {
  208: #      &phaseone($r,$fn,$uname,$udom);
  209:   }
  210: 
  211:   $r->print('</body></html>');
  212:   return OK;  
  213: }
  214: 
  215: 1;
  216: __END__