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import splunk
import splunk.admin as admin
import splunk.entity as en
import copy
#from core.manager import logger
import logging
logger = logging.getLogger("splunk")
class BaseRestHandler(admin.MConfigHandler):
def __init__(self, *args, **kwargs):
admin.MConfigHandler.__init__(self, *args, **kwargs)
def model(self):
return self._model
def get_method(self, name):
return getattr(self._model, name, None)
def setup(self):
if 0 != len(self.customAction):
# let go while custom action is for acl.
if self.customAction in ['acl']: return
elif self.requestedAction in [admin.ACTION_CREATE, admin.ACTION_EDIT]:
for arg in self._model.required_args:
self.supportedArgs.addReqArg(arg)
for arg in self._model.optional_args:
self.supportedArgs.addOptArg(arg)
def getSortDir(self):
''' return correct sort direction '''
if self.sortAscending:
return 'asc'
else:
return 'desc'
def makeConfItem(self, name, obj, confInfo):
''' given a name and entity object, return a confItem '''
confItem = confInfo[name]
for key, val in obj.items():
confItem[key] = str(val)
acl = {}
for k, v in obj[admin.EAI_ENTRY_ACL].items():
if None != v:
acl[k] = v
confItem.setMetadata(admin.EAI_ENTRY_ACL, acl)
#add links
confItem.removeAllActions()
#need to write out a bitfield to the XML that encodes the actions
for action, link in obj.links:
if action == 'create':
confItem.actions |= admin.ACTION_CREATE
elif action == 'list':
confItem.actions |= admin.ACTION_LIST
elif action == 'edit':
confItem.actions |= admin.ACTION_EDIT
elif action == 'remove':
confItem.actions |= admin.ACTION_REMOVE
elif action == 'members':
confItem.actions |= admin.ACTION_MEMBERS
elif action == '_reload':
confItem.actions |= admin.ACTION_RELOAD
return confItem
def handleList(self, confInfo):
if self.callerArgs.id is None:
ent = self.all()
for name, obj in ent.items():
confItem = self.makeConfItem(name, obj, confInfo)
else:
try:
ent = self.get()
confItem = self.makeConfItem(self.callerArgs.id, ent, confInfo)
except splunk.ResourceNotFound:
pass
def handleACL(self, confInfo):
try:
ent = self.get()
meta = ent[admin.EAI_ENTRY_ACL]
# for POST acl only.
if self.requestedAction in [admin.ACTION_CREATE, admin.ACTION_EDIT] and len(self.callerArgs.data)>0:
# control only update acl data, no more other fields
ent.properties = dict()
ent['sharing'] = meta['sharing']
ent['owner'] = meta['owner']
# SPL-69050 and SPL-68306
ent['perms.read'] = [None]
ent['perms.write'] = [None]
'''
if 'perms' in meta:
perms = meta['perms']
# SPL-67185
if perms and isinstance(perms, dict):
if 'write' in perms:
ent['perms.write'] = perms['write']
if 'read' in perms:
ent['perms.read'] = perms['read']
'''
# user should not POST non acl related fields, if so, it will throw errors anyway.
for k, v in self.callerArgs.data.items():
ent[k] = v
en.setEntity(ent, self.getSessionKey(), uri=ent.id+'/acl')
ent = self.get()
confItem = confInfo[self.callerArgs.id]
acl = copy.deepcopy(meta)
confItem.actions = self.requestedAction
confItem.setMetadata(admin.EAI_ENTRY_ACL, acl)
except splunk.ResourceNotFound as ex:
logger.exception('handleACL Failed - arguments = %s, exception = %s' % (self.callerArgs, ex))
def handleCreate(self, confInfo):
logger.debug('handleCreate is called. -- action = %s, id = %s' % (self.customAction, self.callerArgs.id))
try:
args = self.getCallerArgs()
self.create(**args)
except BaseException as ex:
logger.exception('handleCreate Failed - arguments = %s, exception = %s' % (self.callerArgs, ex))
#raise an exception when we fail to create!
raise admin.AlreadyExistsException('Failed to create model: %s' % (self.callerArgs.id))
self.handleList(confInfo)
def handleRemove(self, confInfo):
try:
self.delete()
except BaseException as ex:
#for datamodel, throw an exception when remove fails.
raise admin.InternalException('Failed to delete model: %s' % (self.callerArgs.id))
def handleEdit(self, confInfo):
logger.debug('handleEdit is called. -- action = %s, id = %s' % (self.customAction, self.callerArgs.id))
try:
args = self.getCallerArgs()
self.update(**args)
self.handleList(confInfo)
except BaseException as ex:
#for datamodel, throw an exception when edit fails
raise admin.InternalException('Failed to edit model: %s' % (self.callerArgs.id))
def getCallerArgs(self):
callargs = dict()
for n, v in self.callerArgs.data.items():
callargs.update({n : v[0]})
return callargs
def handleCustom(self, confInfo):
if self.customAction in ['acl']:
return self.handleACL(confInfo)
if self.customAction == 'disable':
self.update(disabled='1')
elif self.customAction == 'enable':
self.update(disabled='0')
else:
meth = self.get_method(self.customAction)
if meth:
ctx = self.getContext()
meth(ctx)
self.makeConfItem(self.callerArgs.id, ctx.entity, confInfo)
else:
raise splunk.ResourceNotFound()
def getContext(self):
ctx = type('Context', (dict, object), {}) ()
ctx.entity = self.get()
ctx.data = self.callerArgs.data
return ctx
@property
def _endpoint(self):
return self._model.endpoint
@property
def _optional_args(self):
return self._model.optional_args
@property
def _required_args(self):
return self._model.required_args
def _namespace_and_owner(self):
app = self.context != admin.CONTEXT_NONE and self.appName or "-"
user = self.context == admin.CONTEXT_APP_AND_USER and self.userName or "nobody"
return app, user
def all(self):
app, user = self._namespace_and_owner()
return en.getEntities(self._endpoint,
namespace=app,
owner=user,
sessionKey=self.getSessionKey(),
count=self.maxCount+self.posOffset,
sort_key=self.sortByKey,
sort_dir=self.getSortDir(),
offset=self.posOffset)
def get(self):
app, user = self._namespace_and_owner()
return en.getEntity(self._endpoint,
self.callerArgs.id,
namespace=app,
owner=user,
sessionKey=self.getSessionKey())
def create(self, **params):
app, user = self._namespace_and_owner()
new = en.Entity(self._endpoint,
self.callerArgs.id,
namespace=app,
owner=user)
for arg in self._required_args:
new[arg] = params[arg]
for arg in self._optional_args:
try:
new[arg] = params[arg]
except:
pass
en.setEntity(new, sessionKey=self.getSessionKey(), strictCreate=True)
def delete(self):
app, user = self._namespace_and_owner()
en.deleteEntity(self._endpoint,
self.callerArgs.id,
namespace=app,
owner=user,
sessionKey=self.getSessionKey())
def update(self, **params):
app, user = self._namespace_and_owner()
ent = en.getEntity(self._endpoint,
self.callerArgs.id,
namespace=app,
owner=user,
sessionKey=self.getSessionKey())
for arg in params.keys():
if arg in self._required_args + self._optional_args:
ent[arg] = params[arg]
#check which args are allowed to be posted
allowedArgs = []
if 'eai:attributes' in ent and 'requiredFields' in ent['eai:attributes'] and 'optionalFields' in ent['eai:attributes']:
allowedArgs = ent['eai:attributes']['requiredFields'] + ent['eai:attributes']['optionalFields']
#filter out args that aren't allowed
for arg in ent.keys():
if arg not in allowedArgs:
del ent.properties[arg]
en.setEntity(ent, sessionKey=self.getSessionKey())
# no longer used, but keep it here for compatibility purpose.
class BaseResource(object):
pass
def ResourceHandler(model, handler=BaseRestHandler):
handler._model = model()
return type(model.__class__.__name__, (handler, object), {})

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