def __call__(self):
collectionID, datasetID = self.request.matchdict['collectionID'], self.request.matchdict['datasetID']
principals = frozenset(self.request.effective_principals)
collection = LabCASCollection.get(collectionID, principals)
dataset = collection.datasets(datasetID)
params = self.request.params
if 'Download checked files' in params:
# Download multiple files
# FIXME: overly large archives cause browser to hang and we fail
ids = [unicode(i[8:]) for i in params if i.startswith(u'include.') and params[i] == u'on']
if len(ids) == 0:
raise HTTPFound(self.request.url, message=u'No files were selected.')
zipFileDesc, zipFileName = tempfile.mkstemp(u'.zip', u'labcas-')
with zipfile.ZipFile(os.fdopen(zipFileDesc, 'w'), 'w', zipfile.ZIP_DEFLATED, allowZip64=True) as z:
for i in ids:
f = dataset.files(i)
os.chdir(f.physicalLocation)
z.write(f.name)
remover = threading.Timer(_tempFileRemovalTimeout, os.remove, (zipFileName,))
remover.daemon = True
remover.start()
return FileResponse(zipFileName, self.request, content_type='application/zip')
else:
# View files
return {
'collection': collection,
'dataset': dataset
}
def __init__(self, request):
principals = frozenset(request.effective_principals)
collectionID = request.matchdict.get('collectionID', None)
collection = LabCASCollection.get(collectionID, principals)
if collection:
self.__acl__ = [(Allow, principal, 'view') for principal in principals]
else:
self.__acl__ = [DENY_ALL]
def __call__(self):
collectionID = self.request.matchdict['collectionID']
principals = frozenset(self.request.effective_principals)
collection = LabCASCollection.get(collectionID, principals)
canUpload = any([i for i in principals if i.startswith('cn=')])
return {
'collection': collection,
'canUpload': canUpload,
}
def __call__(self):
principals = frozenset(self.request.effective_principals)
allCollections = LabCASCollection.get(principals=principals)
collections, publicCollections = [], []
for collection in allCollections:
collections.append(collection)
if collection.isPublic():
publicCollections.append(collection)
return {
'collections': collections,
'hasCollections': len(collections) > 0,
'publicCollections': publicCollections,
'hasPublicCollections': len(publicCollections) > 0
}
def __call__(self):
collectionID = self.request.matchdict['collectionID']
datasetID = self.request.matchdict['datasetID']
fileID = self.request.matchdict['fileID']
principals = frozenset(self.request.effective_principals)
collection = LabCASCollection.get(collectionID, principals)
dataset = collection.datasets(datasetID)
f = dataset.files(fileID)
params = self.request.params
if 'download' in params:
# Download the file
return FileResponse(os.path.join(f.physicalLocation, f.name), self.request,
content_type=f.contentType.encode('utf-8'))
else:
# View the file metadata
return {
'collection': collection,
'dataset': dataset,
'f': f
}
