def render_GET(self, request, bodyless=False):
"""GET returns contents of a blob"""
# process path and extract potential containers/fnm
_, __, fullpath = parse_path(request.path)
log.msg("Getting blob (non-cdmi) %s" % fullpath)
tre_header = request.getHeader('tre-enabled')
tre_request = tre_header is not None and tre_header.lower() == 'true'
# perform operation on ADT
status, vals = blob.read(self.avatar, fullpath, tre_request)
# construct response
request.setResponseCode(status)
set_common_headers(request, False)
if tre_request and status == FOUND:
request.setHeader('Location', "/".join([c('general', 'tre_server'),
str(vals['uid'])]))
if status is OK:
# XXX: hack - some-why the response just hangs if to simply path
# mimetype as a content_object type
mimetype = vals['mimetype']
actual_type = 'text/plain' if mimetype == 'text/plain' else str(mimetype)
request.setHeader('Content-Type', actual_type)
request.setLastModified(float(vals['mtime']))
if not bodyless:
request.setHeader('Content-Length', str(vals['size']))
producer = self.makeProducer(request, vals['content'])
producer.start()
return NOT_DONE_YET
else:
return ''
return ''
def render_GET(self, request, bodyless=False):
"""GET operation corresponds to reading of the blob object"""
# process path and extract potential containers/fnm
_, __, fullpath = parse_path(request.path)
tre_header = request.getHeader('tre-enabled')
tre_request = tre_header is not None and tre_header.lower() == 'true'
log.msg("Request for TRE-enabled download received.")
# perform operation on ADT
status, vals = blob.read(self.avatar, fullpath, tre_request)
# construct response
request.setResponseCode(status)
request.setHeader('Content-Type', CDMI_OBJECT)
if tre_request and status == FOUND:
request.setHeader('Location', "/".join([c('general', 'tre_server'),
str(vals['uid'])]))
request.setLastModified(float(vals['mtime']))
set_common_headers(request)
if status == OK:
request.setLastModified(float(vals['mtime']))
if not bodyless:
valueencoding = vals['valuetransferencoding']
# for content we want to read in the full object into memory
content = (vals['content'].read() if valueencoding == 'utf-8' else
base64.b64encode(vals['content'].read()))
# construct body
response_body = {
'completionStatus': 'Complete',
'mimetype': vals['mimetype'],
'metadata': vals['metadata'],
'valuetransferencoding': valueencoding,
'value': content,
'actual_uri': vals.get('actual_uri'),
'capabilitiesURI': '/cdmi_capabilities/dataobject'
}
response_body.update(get_common_body(request, str(vals['uid']),
fullpath))
return json.dumps(response_body)
return ''
