Return to loncfile.pm CVS log

Up to [LON-CAPA] / loncom / publisher

Actually does stuff now

    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: # 03/31,04/03,05/02,05/09,06/23,06/24 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: 
   31:     $fn=~/(.*)\/([^\/]+)\.(\w+)$/;
   32:     my $dir=$1;
   33:     my $main=$2;
   34:     my $suffix=$3;
   35: 
   36:     my $conspace='/home/'.$uname.'/public_html'.$fn;
   37: 
   38:     $r->print('<form action=/adm/cfile method=post>'.
   39: 	      '<input type=hidden name=filename value="/~'.$uname.$fn.'">'.
   40:               '<input type=hidden name=phase value=two>'.
   41:               '<input type=hidden name=action value='.$ENV{'form.action'}.'>');
   42:     if ($ENV{'form.action'} eq 'rename') {
   43: 	if (-e $conspace) {
   44: 	    if ($ENV{'form.newfilename'}) {
   45:                $ENV{'form.newfilename'}=~/(.*)\/([^\/]+)\.(\w+)$/;
   46:                if ($3 ne $suffix) {
   47: 		   $r->print(
   48:                     '<p><font color=red>Warning: change of MIME type!</font>');
   49:                }
   50:                if (-e 
   51:        	         '/home/httpd/'.$uname.'/'.$dir.'/'.$ENV{'form.newfilename'}) {
   52: 		   $r->print(
   53:                     '<p><font color=red>Warning: target file exists!</font>');
   54:                }
   55: 	       $r->print('<input type=hidden name=newfilename value="'.
   56:                          $ENV{'form.newfilename'}.
   57:                          '"><p>Rename <tt>'.$fn.'</tt> to <tt>'.
   58:                          $dir.'/'.$ENV{'form.newfilename'}.'</tt>?');
   59: 	    } else {
   60: 	       $r->print('<p>No new filename specified.</form>');
   61:                return;
   62: 	    }
   63:         } else {
   64: 	    $r->print('<p>No such file.</form>');
   65:             return;
   66:         }
   67:     } elsif ($ENV{'form.action'} eq 'delete') { 
   68: 	if (-e $conspace) {
   69:             $r->print('<p>Delete <tt>'.$fn.'</tt>?');
   70:         } else {
   71: 	    $r->print('<p>No such file.</form>');
   72:             return;
   73:         }
   74:     } elsif ($ENV{'form.action'} eq 'copy') { 
   75: 	if (-e $conspace) {
   76: 	    if ($ENV{'form.newfilename'}) {
   77:                $ENV{'form.newfilename'}=~/(.*)\/([^\/]+)\.(\w+)$/;
   78:                if ($3 ne $suffix) {
   79: 		   $r->print(
   80:                     '<p><font color=red>Warning: change of MIME type!</font>');
   81:                }
   82:                if (-e 
   83:        	         '/home/httpd/'.$uname.'/'.$dir.'/'.$ENV{'form.newfilename'}) {
   84: 		   $r->print(
   85:                     '<p><font color=red>Warning: target file exists!</font>');
   86:                }
   87: 	       $r->print('<input type=hidden name=newfilename value="'.
   88:                          $ENV{'form.newfilename'}.
   89:                          '"><p>Copy <tt>'.$fn.'</tt> to <tt>'.
   90:                          $dir.'/'.$ENV{'form.newfilename'}.'</tt>?');
   91: 	    } else {
   92: 	       $r->print('<p>No new filename specified.</form>');
   93:                return;
   94: 	    }
   95:         } else {
   96: 	    $r->print('<p>No such file.</form>');
   97:             return;
   98:         }
   99:     } elsif ($ENV{'form.action'} eq 'newdir') {
  100:         my $newdir='/home/'.$uname.'/public_html/'.
  101:                    $fn.$ENV{'form.newfilename'};
  102: 	if (-e $newdir) {
  103:             $r->print('<p>Directory exists.</form>');
  104:             return;
  105:         }
  106: 	$r->print('<input type=hidden name=newfilename value="'.
  107:                   $ENV{'form.newfilename'}.
  108:                   '"><p>Make new directory <tt>'.
  109:                   $fn.$ENV{'form.newfilename'}.'</tt>?');
  110:        
  111:     }
  112:     $r->print('<p><input type=submit value=Continue></form>'); 
  113: }
  114: 
  115: sub phasetwo {
  116:     my ($r,$fn,$uname,$udom)=@_;
  117: 
  118:     $fn=~/(.*)\/([^\/]+)\.(\w+)$/;
  119:     my $dir=$1;
  120:     my $main=$2;
  121:     my $suffix=$3;
  122: 
  123:     my $conspace='/home/'.$uname.'/public_html'.$fn;
  124: 
  125:     if ($ENV{'form.action'} eq 'rename') {
  126: 	if (-e $conspace) {
  127: 	    if ($ENV{'form.newfilename'}) {
  128:                unless (rename('/home/'.$uname.'/public_html'.$fn,
  129:           '/home/'.$uname.'/public_html'.$dir.'/'.$ENV{'form.newfilename'})) {
  130: 	    $r->print('<font color=red>Error: '.$!.'</font>');
  131:                }
  132:             }
  133:         } else {
  134: 	    $r->print('<p>No such file.</form>');
  135:             return;
  136:         }
  137:     } elsif ($ENV{'form.action'} eq 'delete') { 
  138: 	if (-e $conspace) {
  139:             unless (unlink('/home/'.$uname.'/public_html'.$fn)) {
  140: 	       $r->print('<font color=red>Error: '.$!.'</font>');
  141:             }
  142:         } else {
  143: 	    $r->print('<p>No such file.</form>');
  144:             return;
  145:         }
  146:     } elsif ($ENV{'form.action'} eq 'copy') { 
  147: 	if (-e $conspace) {
  148: 	    if ($ENV{'form.newfilename'}) {
  149:                unless (copy('/home/'.$uname.'/public_html'.$fn,
  150:            '/home/'.$uname.'/public_html'.$dir.'/'.$ENV{'form.newfilename'})) {
  151: 	          $r->print('<font color=red>Error: '.$!.'</font>');
  152:                }
  153: 	    } else {
  154: 	       $r->print('<p>No new filename specified.</form>');
  155:                return;
  156: 	    }
  157:         } else {
  158: 	    $r->print('<p>No such file.</form>');
  159:             return;
  160:         }
  161:     } elsif ($ENV{'form.action'} eq 'newdir') {
  162:         my $newdir='/home/'.$uname.'/public_html/'.
  163:                    $fn.$ENV{'form.newfilename'};
  164:         unless (mkdir($newdir,0770)) {
  165: 	    $r->print('<font color=red>Error: '.$!.'</font>');
  166:         }
  167:     }
  168:     $r->print('<h3><a href="/priv/'.$uname.$dir.'/">Done</a></h3>');
  169: }
  170: 
  171: sub handler {
  172: 
  173:   my $r=shift;
  174: 
  175:   my $fn;
  176: 
  177:   if ($ENV{'form.filename'}) {
  178:       $fn=$ENV{'form.filename'};
  179:       $fn=~s/^http\:\/\/[^\/]+//;
  180:   } else {
  181:      $r->log_reason($ENV{'user.name'}.' at '.$ENV{'user.domain'}.
  182:          ' unspecified filename for cfile', $r->filename); 
  183:      return HTTP_NOT_FOUND;
  184:   }
  185: 
  186:   unless ($fn) { 
  187:      $r->log_reason($ENV{'user.name'}.' at '.$ENV{'user.domain'}.
  188:          ' trying to cfile non-existing file', $r->filename); 
  189:      return HTTP_NOT_FOUND;
  190:   } 
  191: 
  192: # ----------------------------------------------------------- Start page output
  193:   my $uname;
  194:   my $udom;
  195: 
  196:   ($uname,$udom)=
  197:     &Apache::loncacc::constructaccess($fn,$r->dir_config('lonDefDomain'));
  198:   unless (($uname) && ($udom)) {
  199:      $r->log_reason($uname.' at '.$udom.
  200:          ' trying to manipulate file '.$ENV{'form.filename'}.
  201:          ' ('.$fn.') - not authorized', 
  202:          $r->filename); 
  203:      return HTTP_NOT_ACCEPTABLE;
  204:   }
  205: 
  206:   $fn=~s/\/\~(\w+)//;
  207: 
  208:   $r->content_type('text/html');
  209:   $r->send_http_header;
  210: 
  211:   $r->print('<html><head><title>LON-CAPA Construction Space</title></head>');
  212: 
  213:   $r->print(
  214:    '<body bgcolor="#FFFFFF"><img align=right src=/adm/lonIcons/lonlogos.gif>');
  215: 
  216:   
  217:   $r->print('<h1>Construction Space <tt>'.$fn.'</tt></h1>');
  218:   
  219:   if (($uname ne $ENV{'user.name'}) || ($udom ne $ENV{'user.domain'})) {
  220:           $r->print('<h3><font color=red>Co-Author: '.$uname.' at '.$udom.
  221:                '</font></h3>');
  222:   }
  223: 
  224:   if ($ENV{'form.action'} eq 'delete') {
  225:       $r->print('<h3>Delete</h3>');
  226:   } elsif ($ENV{'form.action'} eq 'rename') {
  227:       $r->print('<h3>Rename</h3>');
  228:   } elsif ($ENV{'form.action'} eq 'newdir') {
  229:       $r->print('<h3>New Directory</h3>');
  230:   } elsif ($ENV{'form.action'} eq 'copy') {
  231:       $r->print('<h3>Copy</h3>');
  232:   } else {
  233:      $r->print('<p>Unknown Action</body></html>');
  234:      return OK;  
  235:   }
  236:   if ($ENV{'form.phase'} eq 'two') {
  237:       &phasetwo($r,$fn,$uname,$udom);
  238:   } else {
  239:       &phaseone($r,$fn,$uname,$udom);
  240:   }
  241: 
  242:   $r->print('</body></html>');
  243:   return OK;  
  244: }
  245: 
  246: 1;
  247: __END__