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Diff for /loncom/lonnet/perl/lonnet.pm between versions 1.1089 and 1.1090

version 1.1089, 2010/10/01 16:37:35 version 1.1090, 2010/10/27 01:00:44
Line 95  use Math::Random; Line 95  use Math::Random;
 use File::MMagic;  use File::MMagic;
 use LONCAPA qw(:DEFAULT :match);  use LONCAPA qw(:DEFAULT :match);
 use LONCAPA::Configuration;  use LONCAPA::Configuration;
   use File::Copy;
   
 my $readit;  my $readit;
 my $max_connection_retries = 10;     # Or some such value.  my $max_connection_retries = 10;     # Or some such value.
Line 2352  sub resizeImage { Line 2353  sub resizeImage {
 # --------------- Take an uploaded file and put it into the userfiles directory  # --------------- Take an uploaded file and put it into the userfiles directory
 # input: $formname - the contents of the file are in $env{"form.$formname"}  # input: $formname - the contents of the file are in $env{"form.$formname"}
 #                    the desired filenam is in $env{"form.$formname.filename"}  #                    the desired filenam is in $env{"form.$formname.filename"}
 #        $coursedoc - if true up to the current course  #        $context - possible values: coursedoc, existingfile, overwrite, 
 #                     if false  #                                    canceloverwrite, or ''. 
   #                   if 'coursedoc': upload to the current course
   #                   if 'existingfile': write file to tmp/overwrites directory 
   #                   if 'canceloverwrite': delete file written to tmp/overwrites directory
   #                   $context is passed as argument to &finishuserfileupload
 #        $subdir - directory in userfile to store the file into  #        $subdir - directory in userfile to store the file into
 #        $parser - instruction to parse file for objects ($parser = parse)      #        $parser - instruction to parse file for objects ($parser = parse)    
 #        $allfiles - reference to hash for embedded objects  #        $allfiles - reference to hash for embedded objects
Line 2369  sub resizeImage { Line 2374  sub resizeImage {
 #             or /adm/notfound.html if failure to upload occurse  #             or /adm/notfound.html if failure to upload occurse
   
 sub userfileupload {  sub userfileupload {
     my ($formname,$coursedoc,$subdir,$parser,$allfiles,$codebase,$destuname,      my ($formname,$context,$subdir,$parser,$allfiles,$codebase,$destuname,
         $destudom,$thumbwidth,$thumbheight,$resizewidth,$resizeheight)=@_;          $destudom,$thumbwidth,$thumbheight,$resizewidth,$resizeheight)=@_;
     if (!defined($subdir)) { $subdir='unknown'; }      if (!defined($subdir)) { $subdir='unknown'; }
     my $fname=$env{'form.'.$formname.'.filename'};      my $fname=$env{'form.'.$formname.'.filename'};
     $fname=&clean_filename($fname);      $fname=&clean_filename($fname);
 # See if there is anything left      # See if there is anything left
     unless ($fname) { return 'error: no uploaded file'; }      unless ($fname) { return 'error: no uploaded file'; }
     chop($env{'form.'.$formname});      chop($env{'form.'.$formname});
     if (($formname eq 'screenshot') && ($subdir eq 'helprequests')) { #files uploaded to help request form are handled differently      # Files uploaded to help request form, or uploaded to "create course" page are handled differently
       if ((($formname eq 'screenshot') && ($subdir eq 'helprequests')) ||
           (($formname eq 'coursecreatorxml') && ($subdir eq 'batchupload')) ||
            ($context eq 'existingfile') || ($context eq 'canceloverwrite')) {
         my $now = time;          my $now = time;
         my $filepath = 'tmp/helprequests/'.$now;          my $filepath;
         my @parts=split(/\//,$filepath);          if (($formname eq 'screenshot') && ($subdir eq 'helprequests')) { 
         my $fullpath = $perlvar{'lonDaemons'};               $filepath = 'tmp/helprequests/'.$now;
         for (my $i=0;$i<@parts;$i++) {          } elsif (($formname eq 'coursecreatorxml') && ($subdir eq 'batchupload')) {
             $fullpath .= '/'.$parts[$i];               $filepath = 'tmp/addcourse/'.$destudom.'/web/'.$env{'user.name'}.
             if ((-e $fullpath)!=1) {                           '_'.$env{'user.domain'}.'/pending';
                 mkdir($fullpath,0777);          } elsif (($context eq 'existingfile') || ($context eq 'canceloverwrite')) {
               my ($docuname,$docudom);
               if ($destudom) {
                   $docudom = $destudom;
               } else {
                   $docudom = $env{'user.domain'};
               }
               if ($destuname) {
                   $docuname = $destuname;
               } else {
                   $docuname = $env{'user.name'};
               }
               if (exists($env{'form.group'})) {
                   $docuname=$env{'course.'.$env{'request.course.id'}.'.num'};
                   $docudom=$env{'course.'.$env{'request.course.id'}.'.domain'};
               }
               $filepath = 'tmp/overwrites/'.$docudom.'/'.$docuname.'/'.$subdir;
               if ($context eq 'canceloverwrite') {
                   my $tempfile =  $perlvar{'lonDaemons'}.'/'.$filepath.'/'.$fname;
                   if (-e  $tempfile) {
                       my @info = stat($tempfile);
                       if ($info[9] eq $env{'form.timestamp'}) {
                           unlink($tempfile);
                       }
                   }
                   return;
             }              }
         }          }
         open(my $fh,'>'.$fullpath.'/'.$fname);          # Create the directory if not present
         print $fh $env{'form.'.$formname};  
         close($fh);  
         return $fullpath.'/'.$fname;  
     } elsif (($formname eq 'coursecreatorxml') && ($subdir eq 'batchupload')) { #files uploaded to create course page are handled differently  
         my $filepath = 'tmp/addcourse/'.$destudom.'/web/'.$env{'user.name'}.  
                        '_'.$env{'user.domain'}.'/pending';  
         my @parts=split(/\//,$filepath);          my @parts=split(/\//,$filepath);
         my $fullpath = $perlvar{'lonDaemons'};          my $fullpath = $perlvar{'lonDaemons'};
         for (my $i=0;$i<@parts;$i++) {          for (my $i=0;$i<@parts;$i++) {
Line 2406  sub userfileupload { Line 2433  sub userfileupload {
         open(my $fh,'>'.$fullpath.'/'.$fname);          open(my $fh,'>'.$fullpath.'/'.$fname);
         print $fh $env{'form.'.$formname};          print $fh $env{'form.'.$formname};
         close($fh);          close($fh);
         return $fullpath.'/'.$fname;          if ($context eq 'existingfile') {
               my @info = stat($fullpath.'/'.$fname);
               return ($fullpath.'/'.$fname,$info[9]);
           } else {
               return $fullpath.'/'.$fname;
           }
     }      }
     if ($subdir eq 'scantron') {      if ($subdir eq 'scantron') {
         $fname = 'scantron_orig_'.$fname;          $fname = 'scantron_orig_'.$fname;
     } else {         } else {   
 # Create the directory if not present  
         $fname="$subdir/$fname";          $fname="$subdir/$fname";
     }      }
     if ($coursedoc) {      if ($context eq 'coursedoc') {
  my $docuname=$env{'course.'.$env{'request.course.id'}.'.num'};   my $docuname=$env{'course.'.$env{'request.course.id'}.'.num'};
  my $docudom=$env{'course.'.$env{'request.course.id'}.'.domain'};   my $docudom=$env{'course.'.$env{'request.course.id'}.'.domain'};
         if ($env{'form.folder'} =~ m/^(default|supplemental)/) {          if ($env{'form.folder'} =~ m/^(default|supplemental)/) {
             return &finishuserfileupload($docuname,$docudom,              return &finishuserfileupload($docuname,$docudom,
  $formname,$fname,$parser,$allfiles,   $formname,$fname,$parser,$allfiles,
  $codebase,$thumbwidth,$thumbheight,   $codebase,$thumbwidth,$thumbheight,
                                          $resizewidth,$resizeheight);                                           $resizewidth,$resizeheight,$context);
         } else {          } else {
             $fname=$env{'form.folder'}.'/'.$fname;              $fname=$env{'form.folder'}.'/'.$fname;
             return &process_coursefile('uploaddoc',$docuname,$docudom,              return &process_coursefile('uploaddoc',$docuname,$docudom,
Line 2434  sub userfileupload { Line 2465  sub userfileupload {
  return &finishuserfileupload($docuname,$docudom,$formname,$fname,   return &finishuserfileupload($docuname,$docudom,$formname,$fname,
      $parser,$allfiles,$codebase,       $parser,$allfiles,$codebase,
                                      $thumbwidth,$thumbheight,                                       $thumbwidth,$thumbheight,
                                      $resizewidth,$resizeheight);                                       $resizewidth,$resizeheight,$context);
           
     } else {      } else {
         my $docuname=$env{'user.name'};          my $docuname=$env{'user.name'};
         my $docudom=$env{'user.domain'};          my $docudom=$env{'user.domain'};
Line 2446  sub userfileupload { Line 2476  sub userfileupload {
  return &finishuserfileupload($docuname,$docudom,$formname,$fname,   return &finishuserfileupload($docuname,$docudom,$formname,$fname,
      $parser,$allfiles,$codebase,       $parser,$allfiles,$codebase,
                                      $thumbwidth,$thumbheight,                                       $thumbwidth,$thumbheight,
                                      $resizewidth,$resizeheight);                                       $resizewidth,$resizeheight,$context);
     }      }
 }  }
   
 sub finishuserfileupload {  sub finishuserfileupload {
     my ($docuname,$docudom,$formname,$fname,$parser,$allfiles,$codebase,      my ($docuname,$docudom,$formname,$fname,$parser,$allfiles,$codebase,
         $thumbwidth,$thumbheight,$resizewidth,$resizeheight) = @_;          $thumbwidth,$thumbheight,$resizewidth,$resizeheight,$context) = @_;
     my $path=$docudom.'/'.$docuname.'/';      my $path=$docudom.'/'.$docuname.'/';
     my $filepath=$perlvar{'lonDocRoot'};      my $filepath=$perlvar{'lonDocRoot'};
       
Line 2478  sub finishuserfileupload { Line 2508  sub finishuserfileupload {
     print STDERR ('Failed to create '.$filepath.'/'.$file."\n");      print STDERR ('Failed to create '.$filepath.'/'.$file."\n");
     return '/adm/notfound.html';      return '/adm/notfound.html';
  }   }
  if (!print FH ($env{'form.'.$formname})) {          if ($context eq 'overwrite') {
               my $source =  $perlvar{'lonDaemons'}.'/tmp/overwrites/'.$docudom.'/'.$docuname.'/'.$fname;
               my $target = $filepath.'/'.$file;
               if (-e $source) {
                   my @info = stat($source);
                   if ($info[9] eq $env{'form.timestamp'}) {   
                       unless (&File::Copy::move($source,$target)) {
                           &logthis('Failed to overwrite '.$filepath.'/'.$file);
                           return "Moving from $source failed";
                       }
                   } else {
                       return "Temporary file: $source had unexpected date/time for last modification";
                   }
               } else {
                   return "Temporary file: $source missing";
               }
           } elsif (!print FH ($env{'form.'.$formname})) {
     &logthis('Failed to write to '.$filepath.'/'.$file);      &logthis('Failed to write to '.$filepath.'/'.$file);
     print STDERR ('Failed to write to '.$filepath.'/'.$file."\n");      print STDERR ('Failed to write to '.$filepath.'/'.$file."\n");
     return '/adm/notfound.html';      return '/adm/notfound.html';
Line 11350  userfileupload(): main rotine for puttin Line 11396  userfileupload(): main rotine for puttin
            filename, and the contents of the file to create/modifed exist             filename, and the contents of the file to create/modifed exist
            the filename is in $env{'form.'.$formname.'.filename'} and the             the filename is in $env{'form.'.$formname.'.filename'} and the
            contents of the file is located in $env{'form.'.$formname}             contents of the file is located in $env{'form.'.$formname}
  coursedoc - if true, store the file in the course of the active role   context - if coursedoc, store the file in the course of the active role
              of the current user               of the current user; 
              if 'existingfile': store in 'overwrites' in /home/httpd/perl/tmp
              if 'canceloverwrite': delete file in tmp/overwrites directory
  subdir - required - subdirectory to put the file in under ../userfiles/   subdir - required - subdirectory to put the file in under ../userfiles/
          if undefined, it will be placed in "unknown"           if undefined, it will be placed in "unknown"
   
Line 11373  returns: the new clean filename Line 11421  returns: the new clean filename
   
 =item *  =item *
   
 finishuserfileupload(): routine that creaes and sends the file to  finishuserfileupload(): routine that creates and sends the file to
 userspace, probably shouldn't be called directly  userspace, probably shouldn't be called directly
   
   docuname: username or courseid of destination for the file    docuname: username or courseid of destination for the file
   docudom: domain of user/course of destination for the file    docudom: domain of user/course of destination for the file
   formname: same as for userfileupload()    formname: same as for userfileupload()
   fname: filename (inculding subdirectories) for the file    fname: filename (including subdirectories) for the file
     parser: if 'parse', will parse (html) file to extract references to objects, links etc.
     allfiles: reference to hash used to store objects found by parser
     codebase: reference to hash used for codebases of java objects found by parser
     thumbwidth: width (pixels) of thumbnail to be created for uploaded image
     thumbheight: height (pixels) of thumbnail to be created for uploaded image
     resizewidth: width to be used to resize image using resizeImage from ImageMagick
     resizeheight: height to be used to resize image using resizeImage from ImageMagick
     context: if 'overwrite', will move the uploaded file from its temporary location to
               userfiles to facilitate overwriting a previously uploaded file with same name.
   
  returns either the url of the uploaded file (/uploaded/....) if successful   returns either the url of the uploaded file (/uploaded/....) if successful
  and /adm/notfound.html if unsuccessful   and /adm/notfound.html if unsuccessful (or an error message if context 
    was 'overwrite').
    
   
 =item *  =item *
   
Removed from v.1.1089  
changed lines
  Added in v.1.1090

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