def request_handler(request):
""" HTTP Request handler function to handle actions on collections """
if not request.user.is_authenticated():
return HttpResponse(Response.error(None, 'User must be logged in'))
mode = request.GET.get('mode', '')
reply_xml = None
logger.info('request_handler: Received Request: (%s)' % mode)
if mode == 'get-collection-list':
reply_xml = Collection.list()
elif mode == 'load-collection':
metadata = request.GET.get('metadata', '')
reply_xml = Collection.load(request.user.username, metadata)
if reply_xml is None:
return HttpResponse(Response.error(mode, 'Failed'))
if isinstance(reply_xml, str):
return HttpResponse(Response.success(mode, reply_xml))
elif mode == 'add-collection':
metadata = request.GET.get('metadata', '')
payload = request.GET.get('payload', '')
logger.debug('metadata: ' + metadata)
logger.debug('payload: ' + payload)
if not Collection.add(metadata, payload):
return HttpResponse(Response.error(mode, 'Failed'))
reply_xml = Collection.list()
mode = 'get-collection-list'
elif mode == 'delete-collection':
metadata = request.GET.get('metadata', '')
if not Collection.remove(metadata):
return HttpResponse(Response.error(mode, 'Failed'))
reply_xml = Collection.list()
mode = 'get-collection-list'
elif mode == 'rpc':
req = request.GET.get('payload', '')
reply_xml = Adapter.gen_rpc(request.user.username, req)
if isinstance(reply_xml, str):
return HttpResponse(Response.success(mode, reply_xml))
elif mode == 'gen-script':
req = request.GET.get('payload', '')
reply_xml = Adapter.gen_script(request.user.username, req)
if isinstance(reply_xml, str):
return HttpResponse(Response.success(mode, reply_xml))
elif mode in ['get-cap', 'run-rpc', 'run-edit-commit', 'run-commit']:
payload = request.GET.get('payload', '')
logger.debug('run: ' + payload)
reply_xml = Adapter.run_request(request.user.username, payload)
return HttpResponse(Response.success(mode, 'ok', reply_xml))
def load(username, metadata):
""" Load a collection entry """
if metadata is None or metadata == '':
logging.error('Invalid metadata')
return None
metadata = ET.fromstring(metadata)
cname = metadata.find('collection').text
name = metadata.find('name').text
if not Col.objects.filter(name=cname).exists():
logging.debug('Collection %s does not exists !!' % cname)
return None
_file = os.path.join('data', 'collections', cname, name + '.xml')
if not os.path.exists(_file):
logging.error('Collection entry not found')
return None
data = None
with open(_file, 'r') as f:
data = f.read()
data = data.replace('>','>')
data = data.replace('<','<')
payload = ET.fromstring(data)
if data is None:
logging.error('Collection entry is empty')
return None
fmt = payload.get('format', 'raw')
if fmt == 'xpath':
return Adapter.gen_rpc(username, data)
return payload
def request_handler(request):
""" HTTP Request handler function to handle actions on collections """
if not request.user.is_authenticated():
return HttpResponse(Response.error(None, 'User must be logged in'))
mode = request.GET.get('mode', '')
reply_xml = None
logger.info('request_handler: Received Request: (%s)' % mode)
if mode == 'get-collection-list':
reply_xml = Collection.list()
elif mode == 'load-collection':
metadata = request.GET.get('metadata', '')
reply_xml = Collection.load(request.user.username, metadata)
if reply_xml is None:
return HttpResponse(Response.error(mode, 'Failed'))
if isinstance(reply_xml, str):
return HttpResponse(Response.success(mode, reply_xml))
elif mode == 'add-collection':
metadata = request.GET.get('metadata', '')
payload = request.GET.get('payload', '')
logger.debug('metadata: ' + metadata)
logger.debug('payload: ' + payload)
if not Collection.add(metadata, payload):
return HttpResponse(Response.error(mode, 'Failed'))
reply_xml = Collection.list()
mode = 'get-collection-list'
elif mode == 'delete-collection':
metadata = request.GET.get('metadata', '')
if not Collection.remove(metadata):
return HttpResponse(Response.error(mode, 'Failed'))
reply_xml = Collection.list()
mode = 'get-collection-list'
elif mode == 'rpc':
req = request.GET.get('payload', '')
reply_xml = Adapter.gen_rpc(request.user.username, req)
if isinstance(reply_xml, str):
return HttpResponse(Response.success(mode, reply_xml))
elif mode == 'gen-script':
req = request.GET.get('payload', '')
reply_xml = Adapter.gen_script(request.user.username, req)
if isinstance(reply_xml, str):
return HttpResponse(Response.success(mode, reply_xml))
elif mode in ['get-cap', 'run-rpc', 'run-edit-commit', 'run-commit']:
payload = request.GET.get('payload', '')
logger.debug('run: ' + payload)
reply_xml = Adapter.run_request(request.user.username, payload)
return HttpResponse(Response.success(mode, 'ok', reply_xml))
