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| ---++ StaticMethod attach( $session )
# Programme en PERL 5 car certaine chose du genre attach s'ecrive &attach en Perl4.
=upload= command handler.
This method is designed to be
invoked via the =TWiki::UI::run= method.
Adds the meta-data for an attachment to a toic. Does *not* upload
the attachment itself, just modifies the meta-data.
=cut
sub attach { # declaration (appel attach) avec parametres
# L'instruction « my » réalise une affectation dans des variables locales à la
# procédure avec les éléments du tableau. Ce type de passage de paramètre est très efficace car le
# nombre de paramètres n'est pas forcément fixe.
my $session = shift;
my $query = $session->{cgiQuery};
my $webName = $session->{webName};
my $topic = $session->{topicName};
my $fileName = $query->param( 'filename' ) || '';
my $skin = $session->getSkin(); # Le skin courant est remplacé par le skin de la session en cours. ( getSkin accesseur )
TWiki::UI::checkWebExists( $session, $webName, $topic, 'attach' );
my $tmpl = ''; #initialisation des variables a ' '
my $text = ''; #initialisation des variables a ' '
my $meta = ''; #initialisation des variables a ' '
my $atext = ''; #initialisation des variables a ' '
my $fileUser = ''; #initialisation des variables a ' '
my $isHideChecked = ''; #initialisation des variables a ' '
TWiki::UI::checkMirror( $session, $webName, $topic );
TWiki::UI::checkAccess( $session, $webName, $topic,
'change', $session->{user} );
TWiki::UI::checkTopicExists( $session, $webName, $topic,
'upload files to' );
( $meta, $text ) = $session->{store}->readTopic( $session->{user}, $webName, $topic, undef );
my $args = $meta->get( 'FILEATTACHMENT', $fileName );
$args = {
name => $fileName,
attr => '',
path => '',
comment => ''
} unless( $args );
if ( $args->{attr} =~ /h/o ) {
$isHideChecked = 'checked';
}
# SMELL: why log attach before post is called?
# FIXME: Move down, log only if successful (or with error msg?)
# Attach is a read function, only has potential for a change
if( $TWiki::cfg{Log}{attach} ) {
# write log entry
$session->writeLog( 'attach', $webName.'.'.$topic, $fileName );
}
my $fileWikiUser = '';
if( $fileName ) # SI il le fichier comporte un nom. ( Définie par l'utilisateur ) ALORS ...
{
$tmpl = $session->{templates}->readTemplate( 'attachagain', $skin );
my $u = $session->{users}->findUser( $args->{user} );
$fileWikiUser = $u->webDotWikiName() if $u;
} else {
$tmpl = $session->{templates}->readTemplate( 'attachnew', $skin );
}
if ( $fileName ) {
# Must come after templates have been read
$atext .= $session->{attach}->formatVersions( $webName, $topic, %$args )
;
}
$tmpl =~ s/%ATTACHTABLE%/$atext/go;
$tmpl =~ s/%FILEUSER%/$fileWikiUser/go;
$session->enterContext( 'can_render_meta', $meta );
$tmpl = $session->handleCommonTags( $tmpl, $webName, $topic );
$tmpl = $session->{renderer}->getRenderedVersion( $tmpl, $webName, $topic );
$tmpl =~ s/%HIDEFILE%/$isHideChecked/go;
$tmpl =~ s/%FILENAME%/$fileName/go;
$tmpl =~ s/%FILEPATH%/$args->{path}/go;
$args->{comment} = TWiki::entityEncode( $args->{comment} );
$tmpl =~ s/%FILECOMMENT%/$args->{comment}/go;
$session->writeCompletePage( $tmpl );
}
=pod
---++ StaticMethod upload( $session )
=upload= command handler.
This method is designed to be
invoked via the =TWiki::UI::run= method.
CGI parameters, passed in $query:
| =hidefile= | if efined, will not show file in attachment table |
| =filepath= | |
| =filename= | |
| =filecomment= | Comment to associate with file in attachment table |
| =createlink= | if defined, will create a link to file at end of topic |
| =changeproperties= | |
Does the work of uploading a file to a topic. Designed to be useable as
a REST method (it will redirect to the 'view' script unless the 'noredirect'
parameter is specified, in which case it will print a message to
STDOUT, starting with 'OK' on success and 'ERROR' on failure.
=cut
sub upload {
my $session = shift;
my $query = $session->{cgiQuery};
my $webName = $session->{webName};
my $topic = $session->{topicName};
my $user = $session->{user};
my $hideFile = $query->param( 'hidefile' ) || '';
my $fileComment = $query->param( 'filecomment' ) || '';
my $createLink = $query->param( 'createlink' ) || '';
my $doPropsOnly = $query->param( 'changeproperties' );
my $filePath = $query->param( 'filepath' ) || '';
my $fileName = $query->param( 'filename' ) || '';
if ( $filePath && ! $fileName ) {
$filePath =~ m|([^/\\]*$)|;
$fileName = $1;
}
$fileComment =~ s/\s+/ /go;
$fileComment =~ s/^\s*//o;
$fileComment =~ s/\s*$//o;
$fileName =~ s/\s*$//o;
$filePath =~ s/\s*$//o;
TWiki::UI::checkWebExists( $session, $webName, $topic, 'attach files to' );
TWiki::UI::checkTopicExists( $session, $webName, $topic, 'attach files to' )
;
TWiki::UI::checkMirror( $session, $webName, $topic );
TWiki::UI::checkAccess( $session, $webName, $topic,
'change', $user );
my ( $fileSize, $fileDate, $tmpFileName );
my $stream;
# SMELL: Does $stream get closed in all throws?
$stream = $query->upload( 'filepath' ) unless ( $doPropsOnly );
my $origName = $fileName;
unless( $doPropsOnly ) {
( $fileName, $origName ) =
TWiki::Sandbox::sanitizeAttachmentName( $fileName );
# check if upload has non zero size
if( $stream ) {
my @stats = stat $stream;
$fileSize = $stats[7];
$fileDate = $stats[9];
}
unless( $fileSize && $fileName ) {
#OopsExecption ( script d'erreur géré par le TWiki )
throw TWiki::OopsException( 'attention',
def => 'zero_size_upload',
web => $webName,
topic => $topic,
params => ($filePath || '""') );
}
my $maxSize = $session->{prefs}->getPreferencesValue( 'ATTACHFILESIZELIM
IT' );
$maxSize = 0 unless ( $maxSize =~ /([0-9]+)/o );
if( $maxSize && $fileSize > $maxSize * 1024 ) { # SI taille maximum et la taille du fichier sont superieur a la taille max fois 1024 ALORS ....
# OopsExecption ( script d'erreur géré par le TWiki )
throw TWiki::OopsException( 'attention',
def => 'oversized_upload',
web => $webName,
topic => $topic,
params => [ $fileName, $maxSize ] );
}
}
try {
$session->{store}->saveAttachment(
$webName, $topic, $fileName, $user,
{ dontlog => !$TWiki::cfg{Log}{upload},
comment => $fileComment,
hide => $hideFile,
createlink => $createLink,
stream => $stream,
filepath => $filePath,
filesize => $fileSize,
filedate => $fileDate,
} );
} catch Error::Simple with {
#OopsExecption ( script d'erreur géré par le TWiki )
throw TWiki::OopsException( 'attention',
def => 'save_error',
web => $webName,
topic => $topic,
params => shift->{-text} );
};
close( $stream ) if $stream;
if( $fileName eq $origName ) { # SI le nom du fichier est equivalent a sont nom d'origine ALORS ....
$session->redirect( $session->getScriptUrl( 1, 'view', $webName, $topic
));
} else {
#OopsExecption ( script d'erreur géré par le TWiki )
throw TWiki::OopsException( 'attention',
def => 'upload_name_changed',
web => $webName,
topic => $topic,
params => [ $origName, $fileName ] );
}
# generate a message useful for those calling this script from the command l
ine
my $message = ( $doPropsOnly ) ?
'properties changed' : "$fileName uploaded";
print 'OK ',$message,"\n";
}
1; |
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