def initUpload(self, parentType, parentId, name, size, mimeType, linkUrl, reference,
assetstoreId):
"""
Before any bytes of the actual file are sent, a request should be made
to initialize the upload. This creates the temporary record of the
forthcoming upload that will be passed in chunks to the readChunk
method. If you pass a "linkUrl" parameter, it will make a link file
in the designated parent.
"""
user = self.getCurrentUser()
parent = self.model(parentType).load(
id=parentId, user=user, level=AccessType.WRITE, exc=True)
if linkUrl is not None:
return self.model('file').filter(
self.model('file').createLinkFile(
url=linkUrl, parent=parent, name=name, parentType=parentType, creator=user,
size=size, mimeType=mimeType), user)
else:
self.requireParams({'size': size})
assetstore = None
if assetstoreId:
self.requireAdmin(
user, message='You must be an admin to select a destination assetstore.')
assetstore = self.model('assetstore').load(assetstoreId)
chunk = None
if size > 0 and cherrypy.request.headers.get('Content-Length'):
ct = cherrypy.request.body.content_type.value
if (ct not in cherrypy.request.body.processors and
ct.split('/', 1)[0] not in cherrypy.request.body.processors):
chunk = RequestBodyStream(cherrypy.request.body)
if chunk is not None and chunk.getSize() <= 0:
chunk = None
try:
# TODO: This can be made more efficient by adding
# save=chunk is None
# to the createUpload call parameters. However, since this is
# a breaking change, that should be deferred until a major
# version upgrade.
upload = self.model('upload').createUpload(
user=user, name=name, parentType=parentType, parent=parent, size=size,
mimeType=mimeType, reference=reference, assetstore=assetstore)
except OSError as exc:
if exc.errno == errno.EACCES:
raise GirderException(
'Failed to create upload.', 'girder.api.v1.file.create-upload-failed')
raise
if upload['size'] > 0:
if chunk:
return self.model('upload').handleChunk(upload, chunk, filter=True, user=user)
return upload
else:
return self.model('file').filter(
self.model('upload').finalizeUpload(upload), user)
def create_file(self, event, path, root, user=None):
params = event.info["params"]
self.is_dir(path, root["_id"])
name = params["name"]
parent = Folder().filter(self.vFolder(path, root), user=user)
file_path = path / name
try:
with file_path.open(mode="a"):
os.utime(file_path.as_posix())
except PermissionError:
raise GirderException(
"Insufficient perms to write on {}".format(path.as_posix()),
"girder.api.v1.file.create-upload-failed",
)
except Exception:
raise
size = int(params["size"])
chunk = None
if size > 0 and cherrypy.request.headers.get("Content-Length"):
ct = cherrypy.request.body.content_type.value
if (
ct not in cherrypy.request.body.processors
and ct.split("/", 1)[0] not in cherrypy.request.body.processors
):
chunk = RequestBodyStream(cherrypy.request.body)
if chunk is not None and chunk.getSize() <= 0:
chunk = None
upload = Upload().createUpload(
user=user, name=name, parentType="folder", parent=parent, size=size
)
if upload["size"] > 0:
if chunk:
fobj = self._handle_chunk(upload, chunk, filter=True, user=user)
event.preventDefault().addResponse(fobj)
return
event.preventDefault().addResponse(upload)
else:
event.preventDefault().addResponse(
File().filter(self.vFile(file_path, root), user=user)
)