def GET(request, api_library, app):
"""
GET /file/:file_id/data
Download file data
To retrieve file data, an application submits an HTTP GET request to the file data resource that
represents the data for the file.
"""
try:
_, _, file_id, _, version, _ = split_path(request.path, 4, 6, False)
except:
app.logger.error("StackSync API: data_resource GET: Wrong resource path: %s path_info: %s", str(400),
str(request.path_info))
return create_error_response(400, "Wrong resource path. Expected /file/:file_id/data[/version/:version_id]]")
app.logger.info('StackSync API: data_resource GET: path info: %s ', str(request.path_info))
user_id = request.environ["stacksync_user_id"]
metadata = api_library.get_metadata(user_id, file_id, include_chunks=True,
specific_version=version, is_folder=False)
response = create_response(metadata, status_code=200)
if not is_valid_status(response.status_int):
app.logger.error("StackSync API: data_resource GET: status code: %s. body: %s", str(response.status_int),
str(response.body))
return response
metadata = json.loads(metadata)
data_handler = DataHandler(app)
workspace_info = api_library.get_workspace_info(user_id, file_id)
response = create_response(workspace_info, status_code=200)
if not is_valid_status(response.status_int):
app.logger.error("StackSync API: data_resource GET: status code: %s. body: %s", str(response.status_int),
str(response.body))
return response
workspace_info = json.loads(workspace_info)
container_name = workspace_info['swift_container']
print 'chunks to retrieve', metadata['chunks']
file_compress_content, status = data_handler.get_chunks(request.environ, metadata['chunks'],
container_name)
if is_valid_status(status):
if len(file_compress_content) > 0:
joined_file = BuildFile("", file_compress_content)
joined_file.join()
headers = {'Content-Type': metadata['mimetype']}
return HTTPOk(body=joined_file.content, headers=headers)
elif len(metadata['chunks']) == 0:
return HTTPOk(body='')
else:
app.logger.error("StackSync API: data_resource GET: Unexpected case. File_id: %s.", str(file_id))
return create_error_response(500, "Could not retrieve file. Please contact an administrator.")
else:
app.logger.error("StackSync API: data_resource GET: Cannot retrieve chunks. File_id: %s. Status: %s",
str(file_id), str(status))
return create_error_response(status, "Cannot retrieve chunks from storage backend.")
def GET(request, api_library, app):
"""
GET /file/:file_id/data
Download file data
To retrieve file data, an application submits an HTTP GET request to the file data resource that
represents the data for the file.
"""
try:
_, _, file_id, _, version, _ = split_path(request.path, 4, 6, False)
except:
app.logger.error(
"StackSync API: data_resource GET: Wrong resource path: %s path_info: %s",
str(400), str(request.path_info))
return create_error_response(
400,
"Wrong resource path. Expected /file/:file_id/data[/version/:version_id]]"
)
app.logger.info('StackSync API: data_resource GET: path info: %s ',
str(request.path_info))
user_id = request.environ["stacksync_user_id"]
metadata = api_library.get_metadata(user_id,
file_id,
include_chunks=True,
specific_version=version,
is_folder=False)
response = create_response(metadata, status_code=200)
if not is_valid_status(response.status_int):
app.logger.error(
"StackSync API: data_resource GET: status code: %s. body: %s",
str(response.status_int), str(response.body))
return response
metadata = json.loads(metadata)
data_handler = DataHandler(app)
workspace_info = api_library.get_workspace_info(user_id, file_id)
response = create_response(workspace_info, status_code=200)
if not is_valid_status(response.status_int):
app.logger.error(
"StackSync API: data_resource GET: status code: %s. body: %s",
str(response.status_int), str(response.body))
return response
workspace_info = json.loads(workspace_info)
container_name = workspace_info['swift_container']
print 'chunks to retrieve', metadata['chunks']
file_compress_content, status = data_handler.get_chunks(
request.environ, metadata['chunks'], container_name)
if is_valid_status(status):
if len(file_compress_content) > 0:
joined_file = BuildFile("", file_compress_content)
joined_file.join()
headers = {'Content-Type': metadata['mimetype']}
return HTTPOk(body=joined_file.content, headers=headers)
elif len(metadata['chunks']) == 0:
return HTTPOk(body='')
else:
app.logger.error(
"StackSync API: data_resource GET: Unexpected case. File_id: %s.",
str(file_id))
return create_error_response(
500,
"Could not retrieve file. Please contact an administrator.")
else:
app.logger.error(
"StackSync API: data_resource GET: Cannot retrieve chunks. File_id: %s. Status: %s",
str(file_id), str(status))
return create_error_response(
status, "Cannot retrieve chunks from storage backend.")
