def get_upload_file_content(upload_id: int, public_file_path: str) -> Response:
"""
Get the source log associated with upload workspace.
Parameters
----------
upload_id : int
The unique identifier for upload workspace.
public_file_path: str
relative path of file to be deleted.
Returns
-------
dict
Complete summary of upload processing.
int
An HTTP status code.
dict
Some extra headers to add to the response.
"""
try:
upload_db_data: Optional[Upload] = uploads.retrieve(upload_id)
except IOError:
logger.error(
"%s: ContentFileDownload: There was a problem connecting to database.",
upload_db_data.upload_id)
raise InternalServerError(UPLOAD_DB_CONNECT_ERROR)
if upload_db_data is None:
raise NotFound(UPLOAD_NOT_FOUND)
try:
upload_workspace = UploadWorkspace(upload_id)
# Returns path if file exists
if upload_workspace.content_file_exists(public_file_path):
size = upload_workspace.content_file_size(public_file_path)
modified = upload_workspace.content_file_last_modified(
public_file_path)
checksum = upload_workspace.content_file_checksum(public_file_path)
filepointer = upload_workspace.content_file_pointer(
public_file_path)
headers = {
"Content-disposition": f"filename={filepointer.name}",
'ETag': checksum,
'Content-Length': size,
'Last-Modified': modified
}
else:
raise NotFound(f"File '{public_file_path}' not found.")
except IOError:
logger.error("%s: Delete file request failed ",
upload_db_data.upload_id)
raise InternalServerError(CANT_DELETE_FILE)
except NotFound as nf:
logger.info("%s: DeleteFile: %s", upload_id, nf)
raise nf
except SecurityError as secerr:
logger.info("%s: %s", upload_id, secerr.description)
# TODO: Should this be BadRequest or NotFound. I'm leaning towards
# NotFound in order to provide as little feedback as posible to client.
raise NotFound(UPLOAD_FILE_NOT_FOUND)
except Forbidden as forb:
logger.info("%s: Delete file forbidden: %s.", upload_id, forb)
raise forb
except Exception as ue:
logger.info(
"Unknown error in delete file. "
" Add except clauses for '%s'. DO IT NOW!", ue)
raise InternalServerError(UPLOAD_UNKNOWN_ERROR)
headers.update({'ARXIV-OWNER': upload_db_data.owner_user_id})
return filepointer, status.OK, headers
def check_upload_file_content_exists(upload_id: int,
public_file_path: str) -> Response:
"""
Verify that the specified content file exists/is available.
Parameters
----------
upload_id : int
The unique identifier for upload workspace.
public_file_path: str
relative path of file to be checked.
Returns
-------
Standard Response tuple containing content, HTTP status, and HTTP headers.
"""
try:
upload_db_data: Optional[Upload] = uploads.retrieve(upload_id)
except IOError:
logger.error(
"%s: ContentFileExistsCheck: There was a problem "
"connecting to database.", upload_id)
raise InternalServerError(UPLOAD_DB_CONNECT_ERROR)
if upload_db_data is None:
raise NotFound(UPLOAD_NOT_FOUND)
logger.info("%s: Upload content file exists request.", upload_id)
try:
upload_workspace = UploadWorkspace(upload_id)
# file exists
if upload_workspace.content_file_exists(public_file_path):
size = upload_workspace.content_file_size(public_file_path)
modified = upload_workspace.content_file_last_modified(
public_file_path)
checksum = upload_workspace.content_file_checksum(public_file_path)
return {}, status.OK, {
'ETag': checksum,
'Content-Length': size,
'Last-Modified': modified
}
raise NotFound(f"File '{public_file_path}' not found.")
except IOError:
logger.error("%s: Content file exists request failed ",
upload_db_data.upload_id)
raise InternalServerError(CANT_DELETE_FILE)
except NotFound as nf:
logger.info("%s: File not found: %s", upload_id, nf)
raise nf
except SecurityError as secerr:
logger.info("%s: %s", upload_id, secerr.description)
# TODO: Should this be BadRequest or NotFound. I'm leaning towards
# NotFound in order to provide as little feedback as posible to client.
raise NotFound(UPLOAD_FILE_NOT_FOUND)
except Forbidden as forb:
logger.info("%s: Operation forbidden: %s.", upload_id, forb)
raise forb
except Exception as ue:
logger.info(
"Unknown error in content file exists operation. "
" Add except clauses for '%s'. DO IT NOW!", ue)
raise InternalServerError(UPLOAD_UNKNOWN_ERROR)
headers = {'ARXIV-OWNER': upload_db_data.owner_user_id, 'ETag': checksum}
return {}, status.OK, headers