--- loncom/publisher/lonupload.pm 2003/08/04 17:45:06 1.18 +++ loncom/publisher/lonupload.pm 2008/12/12 02:42:49 1.38.2.1 @@ -2,7 +2,7 @@ # The LearningOnline Network with CAPA # Handler to upload files into construction space # -# $Id: lonupload.pm,v 1.18 2003/08/04 17:45:06 www Exp $ +# $Id: lonupload.pm,v 1.38.2.1 2008/12/12 02:42:49 raeburn Exp $ # # Copyright Michigan State University Board of Trustees # @@ -37,226 +37,343 @@ use File::Basename; use Apache::Constants qw(:common :http :methods); use Apache::loncacc; use Apache::loncommon(); -use Apache::Log(); use Apache::lonnet; use HTML::Entities(); +use Apache::lonlocal; +use Apache::lonnet; +use LONCAPA(); my $DEBUG=0; sub Debug { - - # Marshall the parameters. - - my $r = shift; - my $log = $r->log; - my $message = shift; - - # Put out the indicated message butonly if DEBUG is false. - - if ($DEBUG) { - $log->debug($message); - } + # Put out the indicated message but only if DEBUG is true. + if ($DEBUG) { + my ($r,$message) = @_; + $r->log_reason($message); + } } sub upfile_store { my $r=shift; - my $fname=$ENV{'form.upfile.filename'}; + my $fname=$env{'form.upfile.filename'}; $fname=~s/\W//g; - chomp($ENV{'form.upfile'}); + chomp($env{'form.upfile'}); - my $datatoken=$ENV{'user.name'}.'_'.$ENV{'user.domain'}. + my $datatoken=$env{'user.name'}.'_'.$env{'user.domain'}. '_upload_'.$fname.'_'.time.'_'.$$; { my $fh=Apache::File->new('>'.$r->dir_config('lonDaemons'). '/tmp/'.$datatoken.'.tmp'); - print $fh $ENV{'form.upfile'}; + print $fh $env{'form.upfile'}; } return $datatoken; } - sub phaseone { - my ($r,$fn,$uname,$udom)=@_; - $ENV{'form.upfile.filename'}=~s/\\/\//g; - $ENV{'form.upfile.filename'}=~s/^.*\/([^\/]+)$/$1/; - if ($ENV{'form.upfile.filename'}) { - $fn=~s/\/[^\/]+$//; - $fn=~s/([^\/])$/$1\//; - $fn.=$ENV{'form.upfile.filename'}; - $fn=~s/^\///; - $fn=~s/(\/)+/\//g; + my ($r,$fn,$uname,$udom,$mode)=@_; + my $action = '/adm/upload'; + if ($mode eq 'testbank') { + $action = '/adm/testbank'; + } elsif ($mode eq 'imsimport') { + $action = '/adm/imsimport'; + } + $env{'form.upfile.filename'}=~s/\\/\//g; + $env{'form.upfile.filename'}=~s/^.*\/([^\/]+)$/$1/; + if ($env{'form.upfile.filename'}) { + $fn=~s/\/[^\/]+$//; + $fn=~s/([^\/])$/$1\//; + $fn.=$env{'form.upfile.filename'}; + $fn=~s/^\///; + $fn=~s/(\/)+/\//g; # Fn is the full path to the destination filename. # - &Debug($r, "Filename for upload: $fn"); - if (($fn) && ($fn!~/\/$/)) { - $r->print( - '
'. - ''. - ''. - ''. - 'Store uploaded file as '. - '
'. - '
'); - # Check for bad extension and warn user - if ($fn=~/\.(\w+)$/ && - (&Apache::loncommon::fileembstyle($1) eq 'hdn')) { - $r->print( - ''. - 'The extension on this file, "'.$1. - '", is reserved internally by LON-CAPA.
'. - 'Please change the extension.'. - '
'); - } elsif($fn=~/\.(\w+)$/ && - !defined(&Apache::loncommon::fileembstyle($1))) { - $r->print( - ''. - 'The extension on this file, "'.$1. - '", is not recognized by LON-CAPA.
'. - 'Please change the extension.'. - '
'); - } - } else { - $r->print('Illegal filename.'); - } - } else { - $r->print('No upload file specified.'); - } + &Debug($r, "Filename for upload: $fn"); + if (($fn) && ($fn!~/\/$/)) { + $r->print('
'. + ''. + ''. + ''.&mt('Save uploaded file as [_1]', + '/priv/'.$uname.'/'. + ''). + '
'. + '
'.&mt('Choose file type:').' +'.&Apache::loncommon::help_open_topic("Uploading_File_Options").' +
+
+'); + $r->print('
'); + # Check for bad extension and warn user + if ($fn=~/\.(\w+)$/ && + (&Apache::loncommon::fileembstyle($1) eq 'hdn')) { + $r->print('

' + .&mt('The extension on this file, [_1], is reserved internally by LON-CAPA.','"'.$1.'"' ). + .'
'.&mt('Please change the extension.') + .'

'); + } elsif($fn=~/\.(\w+)$/ && + !defined(&Apache::loncommon::fileembstyle($1))) { + $r->print('

' + .&mt('The extension on this file, [_1], is not recognized by LON-CAPA.','"'.$1.'"') + .'
'.&mt('Please change the extension.') + .'

'); + } + } else { + $r->print(''.&mt('Illegal filename.').''); + } + } else { + $r->print(''.&mt('No upload file specified.').''); + } } sub phasetwo { - my ($r,$tfn,$uname,$udom)=@_; - my $fn='/priv/'.$uname.'/'.$tfn; - $fn=~s/\/+/\//g; - &Debug($r, "Filename is ".$tfn); - if ($tfn) { - &Debug($r, "Filename for tfn = ".$tfn); - my $target='/home/'.$uname.'/public_html'.$tfn; - &Debug($r, "target -> ".$target); + my ($r,$tfn,$uname,$udom,$mode)=@_; + my $output; + my $action = '/adm/upload'; + my $returnflag = ''; + if ($mode eq 'testbank') { + $action = '/adm/testbank'; + } elsif ($mode eq 'imsimport') { + $action = '/adm/imsimport'; + } + my $fn='/priv/'.$uname.'/'.$tfn; + $fn=~s/\/+/\//g; + &Debug($r, "Filename is ".$tfn); + if ($tfn) { + &Debug($r, "Filename for tfn = ".$tfn); + my $target='/home/'.$uname.'/public_html'.$tfn; + &Debug($r, "target -> ".$target); # target is the full filesystem path of the destination file. + my $base = &File::Basename::basename($fn); + my $path = &File::Basename::dirname($fn); + $base = &HTML::Entities::encode($base,'<>&"'); + my $url = $path."/".$base; + &Debug($r, "URL is now ".$url); + my $datatoken=$env{'form.datatoken'}; + if (($fn) && ($datatoken)) { + if ($env{'form.cancel'}) { + my $source=$r->dir_config('lonDaemons').'/tmp/'.$datatoken.'.tmp'; + my $dirpath=$path.'/'; + $dirpath=~s/\/+/\//g; + $output .= &mt('Upload cancelled.').'
'. + &mt('Back to Directory').''; + } elsif ((-e $target) && (!$env{'form.override'})) { + $output .= '
'. + &mt('File [_1] exists. Overwrite?',''.$fn.''). + ''. + ''. + ''. + ''. + ''. + '
'; + } else { + my $source=$r->dir_config('lonDaemons').'/tmp/'.$datatoken.'.tmp'; + my $dirpath=$path.'/'; + $dirpath=~s/\/+/\//g; + # Check for bad extension and disallow upload + my $result; + ($result,$returnflag) = &check_extension($fn,$mode,$source,$target,$action,$dirpath,$url); + $output .= $result; + } + } else { + $output .= ''. + &mt('Please use browser "Back" button and pick a filename'). + '
'; + } + } else { + $output .= ''. + &mt('Please use browser "Back" button and pick a filename'). + '
'; + } + return ($output,$returnflag); +} + +sub check_extension { + my ($fn,$mode,$source,$target,$action,$dirpath,$url) = @_; + my ($result,$returnflag); + # Check for bad extension and disallow upload + if ($fn=~/\.(\w+)$/ && + (&Apache::loncommon::fileembstyle($1) eq 'hdn')) { + $result .= &mt('File [_1] could not be copied.', + ''.$fn.' '). + '

'. + &mt('The extension on this file is reserved internally by LON-CAPA.'). + '

'; + } elsif ($fn=~/\.(\w+)$/ && + !defined(&Apache::loncommon::fileembstyle($1))) { + $result .= &mt('File [_1] could not be copied.', + ''.$fn.' '). + '

'. + &mt('The extension on this file is not recognized by LON-CAPA.'). + '

'; + } elsif (-d $target) { + $result .= &mt('File [_1] could not be copied.', + ''.$fn.''). + '

'. + &mt('The target is an existing directory.'). + '

'; + } elsif (copy($source,$target)) { + chmod(0660, $target); # Set permissions to rw-rw---. + if ($mode eq 'testbank' || $mode eq 'imsimport') { + $returnflag = 'ok'; + $result .= &mt('Your file - [_1] - was uploaded successfully',$fn).'

'; + } else { + $result .= &mt('File copied.').'
'; + } + # Check for embedded objects. + my (%allfiles,%codebase); + my ($text,$header,$css,$js); + if (($mode ne 'imsimport') && ($target =~ /\.(htm|html|shtml)$/i)) { + my (%allfiles,%codebase); + &Apache::lonnet::extract_embedded_items($target,\%allfiles,\%codebase); + if (keys(%allfiles) > 0) { + my $state = < + + + + +STATE + $result .= "

".&mt("Reference Warning")."

". + "

".&mt("Completed upload of the file. This file contained references to other files.")."

". + "

".&mt("Please select the locations from which the referenced files are to be uploaded.")."

". + &Apache::loncommon::ask_for_embedded_content($action,$state,\%allfiles,\%codebase, + {'error_on_invalid_names' => 1, + 'ignore_remote_references' => 1,}); + if ($mode eq 'testbank') { + $returnflag = 'embedded'; + $result .= '

'.&mt('Or [_1]continue[_2] the testbank import without these files','','').'

'; + } + } + } + if (($mode ne 'imsimport') && ($mode ne 'testbank')) { + $result .= '
'. + &mt('View file').''; + } + } else { + $result .= &mt('Failed to copy: [_1].',$!); + } + if ($mode ne 'imsimport' && $mode ne 'testbank') { + $result .= '
'. + &mt('Back to Directory').'
'; + } + return ($result,$returnflag); +} + +sub phasethree { + my ($r,$fn,$uname,$udom,$mode) = @_; + my $result; + my $dir_root = '/home/'.$uname.'/public_html'; + my $url_root = '/priv/'.$uname; my $base = &File::Basename::basename($fn); my $path = &File::Basename::dirname($fn); - $base = &HTML::Entities::encode($base); - my $url = $path."/".$base; - &Debug($r, "URL is now ".$url); - my $datatoken=$ENV{'form.datatoken'}; - if (($fn) && ($datatoken)) { - if ((-e $target) && ($ENV{'form.override'} ne 'Yes')) { - $r->print( - '
'. - 'File '.$fn.' exists. Overwrite? '. - ''. - ''. - ''. - '
'); - } else { - my $source=$r->dir_config('lonDaemons'). - '/tmp/'.$datatoken.'.tmp'; - # Check for bad extension and disallow upload - if ($fn=~/\.(\w+)$/ && - (&Apache::loncommon::fileembstyle($1) eq 'hdn')) { - $r->print( - 'File '.$fn.' could not be copied.
'. - ''. - 'The extension on this file is reserved internally by LON-CAPA.'. - ''); - } elsif ($fn=~/\.(\w+)$/ && - !defined(&Apache::loncommon::fileembstyle($1))) { - $r->print( - 'File '.$fn.' could not be copied.
'. - ''. - 'The extension on this file is not recognized by LON-CAPA.'. - ''); - } elsif (copy($source,$target)) { - chmod(0660, $target); # Set permissions to rw-rw---. - $r->print('File copied.'); - $r->print('

View file'); - $r->print('

Back to Directory'); - } else { - $r->print('Failed to copy: '.$!); - } - } - } else { - $r->print( - 'Please pick a filename

'); - &phaseone($r,$fn,$uname,$udom); - } - } else { - $r->print( - 'Please pick a filename

'); - &phaseone($r,$fn,$uname,$udom); - } + $result = &Apache::loncommon::upload_embedded($mode,$path,$uname,$udom, + $dir_root,$url_root); + if ($mode ne 'imsimport' && $mode ne 'testbank') { + $result = '
'. + &mt('View main file').''. + '
'. + &mt('Back to Directory').'
'; + } + return $result; } # ---------------------------------------------------------------- Main Handler sub handler { - my $r=shift; + my $r=shift; - my $uname; - my $udom; + my $uname; + my $udom; + my $javascript = ''; # # phase two: re-attach user # - if ($ENV{'form.uploaduname'}) { - $ENV{'form.filename'}='/priv/'.$ENV{'form.uploaduname'}.'/'. - $ENV{'form.filename'}; - } -# - - ($uname,$udom)= - &Apache::loncacc::constructaccess( - $ENV{'form.filename'},$r->dir_config('lonDefDomain')); - unless (($uname) && ($udom)) { - $r->log_reason($uname.' at '.$udom. - ' trying to publish file '.$ENV{'form.filename'}. - ' - not authorized', - $r->filename); - return HTTP_NOT_ACCEPTABLE; - } - - my $fn; - if ($ENV{'form.filename'}) { - $fn=$ENV{'form.filename'}; - $fn=~s/^http\:\/\/[^\/]+\///; - $fn=~s/^\///; - $fn=~s/(\~|priv\/)(\w+)//; - $fn=~s/\/+/\//g; - } else { - $r->log_reason($ENV{'user.name'}.' at '.$ENV{'user.domain'}. - ' unspecified filename for upload', $r->filename); - return HTTP_NOT_FOUND; - } + if ($env{'form.uploaduname'}) { + $env{'form.filename'}='/priv/'.$env{'form.uploaduname'}.'/'. + $env{'form.filename'}; + } + + unless ($env{'form.phase'} eq 'two') { + $javascript = qq| +function verifyForm() { + var mode = document.fileupload.filetype.options[document.fileupload.filetype.selectedIndex].value + if (mode == "testbank") { + document.fileupload.action = "/adm/testbank"; + } + if (mode == "imsimport") { + document.fileupload.action = "/adm/imsimport"; + } + if (mode == "standard") { + document.fileupload.action = "/adm/upload"; + } + document.fileupload.submit(); +} + |; + } + ($uname,$udom)= + &Apache::loncacc::constructaccess($env{'form.filename'}, + $r->dir_config('lonDefDomain')); + + unless (($uname) && ($udom)) { + $r->log_reason($uname.' at '.$udom. + ' trying to publish file '.$env{'form.filename'}. + ' - not authorized', + $r->filename); + return HTTP_NOT_ACCEPTABLE; + } + + my $fn; + if ($env{'form.filename'}) { + $fn=$env{'form.filename'}; + $fn=~s/^http\:\/\/[^\/]+\///; + $fn=~s/^\///; + $fn=~s{(~|priv/)($LONCAPA::username_re)}{}; + $fn=~s/\/+/\//g; + } else { + $r->log_reason($env{'user.name'}.' at '.$env{'user.domain'}. + ' unspecified filename for upload', $r->filename); + return HTTP_NOT_FOUND; + } # ----------------------------------------------------------- Start page output - $r->content_type('text/html'); - $r->send_http_header; + &Apache::loncommon::content_type($r,'text/html'); + $r->send_http_header; - $r->print('LON-CAPA Construction Space'); + $javascript = "\n"; - $r->print(&Apache::loncommon::bodytag('Upload file to Construction Space')); + $r->print(&Apache::loncommon::start_page('Upload file to Construction Space', + $javascript)); - if (($uname ne $ENV{'user.name'}) || ($udom ne $ENV{'user.domain'})) { - $r->print('

Co-Author: '.$uname.' at '.$udom. - '

'); - } - + if (($uname ne $env{'user.name'}) || ($udom ne $env{'user.domain'})) { + $r->print('

'.&mt('Co-Author').': '.$uname. + &mt(' at ').$udom.'

'); + } - if ($ENV{'form.phase'} eq 'two') { - &phasetwo($r,$fn,$uname,$udom); - } else { - &phaseone($r,$fn,$uname,$udom); - } + if ($env{'form.phase'} eq 'three') { + my $output = &phasethree($r,$fn,$uname,$udom,'author'); + $r->print($output); + } elsif ($env{'form.phase'} eq 'two') { + my ($output,$returnflag) = &phasetwo($r,$fn,$uname,$udom); + $r->print($output); + } else { + &phaseone($r,$fn,$uname,$udom); + } - $r->print(''); - return OK; + $r->print(&Apache::loncommon::end_page()); + return OK; } 1; @@ -304,12 +421,14 @@ Start page output =item * -output relevant interface phase (phaseone or phasetwo) +output relevant interface phase (phaseone or phasetwo or phasethree) =item * (phase one is to specify upload file; phase two is to handle conditions -subsequent to specification--like overwriting an existing file) +subsequent to specification--like overwriting an existing file; phase three +is to handle processing of secondary uploads - of embedded objects in an +html file). =back @@ -328,9 +447,20 @@ as overwriting an existing file). =item * +phasethree() : Interface for handling secondary uploads of embedded objects +in an html file. + +=item * + upfile_store() : Store contents of uploaded file into temporary space. Invoked by phaseone subroutine. +=item * + +check_extension() : Checks if filename extension is permitted and checks type + of file - if html file, calls parser to check for embedded objects. + Invoked by phasetwo subroutine. + =back =cut