def _getFirstFileByHash(self, algo, hash, user=None):
"""
Return the first file that the user has access to given its hash and its
associated hashsum algorithm name.
:param algo: Algorithm the given hash is encoded with.
:param hash: Hash of the file to find.
:param user: User to test access against.
Default (none) is the current user.
:return: A file document.
"""
self._validateAlgo(algo)
query = {algo: hash}
fileModel = FileModel()
cursor = fileModel.find(query)
if not user:
user = self.getCurrentUser()
for file in cursor:
if fileModel.hasAccess(file, user, AccessType.READ):
return file
return None
def getByHash(self, algo, hash):
self._validateAlgo(algo)
model = FileModel()
user = self.getCurrentUser()
cursor = model.find({algo: hash})
return [
file for file in cursor
if model.hasAccess(file, user, AccessType.READ)
]