def validate(self, data):
"""All devices need to have the status of revoke."""
if not data['action'].type == 'RevokeDocument':
txt = 'Error: this action is not a revoke action'
ValidationError(txt)
for doc in data['documents']:
if not doc.trading == 'Revoke':
txt = 'Some of documents do not have revoke to confirm'
ValidationError(txt)
def validate(self, data):
"""All devices need to have the status of DoubleConfirmation."""
### check ###
if not data['documents']:
raise ValidationError('Documents not exist.')
for doc in data['documents']:
if not doc.trading in ['Document Confirmed', 'Confirm']:
txt = 'Some of documents do not have enough to confirm for to do a revoke'
ValidationError(txt)
def merge_devices(self, dev1_id: int, dev2_id: int) -> Device:
"""Merge the current device with `with_device` (dev2_id) by
adding all `with_device` actions under the current device, (dev1_id).
This operation is highly costly as it forces refreshing
many models in session.
"""
# base_device = Device.query.filter_by(id=dev1_id, owner_id=g.user.id).one()
self.base_device = Device.query.filter_by(id=dev1_id, owner_id=g.user.id).one()
self.with_device = Device.query.filter_by(id=dev2_id, owner_id=g.user.id).one()
if self.base_device.allocated or self.with_device.allocated:
# Validation than any device is allocated
msg = 'The device is allocated, please deallocated before merge.'
raise ValidationError(msg)
if not self.base_device.type == self.with_device.type:
# Validation than we are speaking of the same kind of devices
raise ValidationError('The devices is not the same type.')
# Adding actions of self.with_device
with_actions_one = [a for a in self.with_device.actions
if isinstance(a, actions.ActionWithOneDevice)]
with_actions_multiple = [a for a in self.with_device.actions
if isinstance(a, actions.ActionWithMultipleDevices)]
# Moving the tags from `with_device` to `base_device`
# Union of tags the device had plus the (potentially) new ones
self.base_device.tags.update([x for x in self.with_device.tags])
self.with_device.tags.clear() # We don't want to add the transient dummy tags
db.session.add(self.with_device)
# Moving the actions from `with_device` to `base_device`
for action in with_actions_one:
if action.parent:
action.parent = self.base_device
else:
self.base_device.actions_one.add(action)
for action in with_actions_multiple:
if action.parent:
action.parent = self.base_device
else:
self.base_device.actions_multiple.add(action)
# Keeping the components of with_device
components = OrderedSet(c for c in self.with_device.components)
self.base_device.components = components
# Properties from with_device
self.merge()
db.session().add(self.base_device)
db.session().final_flush()
return self.base_device
def live(self, snapshot):
"""If the device.allocated == True, then this snapshot create an action live."""
hid = self.get_hid(snapshot)
if not hid or not Device.query.filter(Device.hid == hid).count():
raise ValidationError('Device not exist.')
device = Device.query.filter(Device.hid == hid,
Device.allocated == True).one()
# Is not necessary
if not device:
raise ValidationError('Device not exist.')
if not device.allocated:
raise ValidationError('Sorry this device is not allocated.')
usage_time_hdd, serial_number = self.get_hdd_details(snapshot, device)
data_live = {
'usage_time_hdd': usage_time_hdd,
'serial_number': serial_number,
'snapshot_uuid': snapshot['uuid'],
'description': '',
'software': snapshot['software'],
'software_version': snapshot['version'],
'licence_version': snapshot['licence_version'],
'author_id': device.owner_id,
'agent_id': device.owner.individual.id,
'device': device
}
live = Live(**data_live)
if not usage_time_hdd:
warning = f"We don't found any TestDataStorage for disk sn: {serial_number}"
live.severity = Severity.Warning
live.description = warning
return live
live.sort_actions()
diff_time = live.diff_time()
if diff_time is None:
warning = "Don't exist one previous live or snapshot as reference"
live.description += warning
live.severity = Severity.Warning
elif diff_time < timedelta(0):
warning = "The difference with the last live/snapshot is negative"
live.description += warning
live.severity = Severity.Warning
return live
def create_confirmations(self) -> None:
"""Do the first confirmation for the user than do the action"""
# if the confirmation is mandatory, do automatic confirmation only for
# owner of the lot
if self.trade.confirm:
if self.trade.devices:
confirm_devs = Confirm(user=g.user,
action=self.trade,
devices=self.trade.devices)
db.session.add(confirm_devs)
if self.trade.documents:
confirm_docs = ConfirmDocument(user=g.user,
action=self.trade,
documents=self.trade.documents)
db.session.add(confirm_docs)
return
# check than the user than want to do the action is one of the users
# involved in the action
if g.user not in [self.trade.user_from, self.trade.user_to]:
txt = "You do not participate in this trading"
raise ValidationError(txt)
confirm_from = Confirm(user=self.trade.user_from,
action=self.trade,
devices=self.trade.devices)
confirm_to = Confirm(user=self.trade.user_to,
action=self.trade,
devices=self.trade.devices)
db.session.add(confirm_from)
db.session.add(confirm_to)
def __init__(self, data, resource_def, schema):
self.schema = schema
a = resource_def.schema.load(data)
self.validate(a)
if not a['documents']:
raise ValidationError('Documents not exist.')
self.model = self.Model(**a)
def validate_snapshot_events(self, data):
"""Validates that only snapshot-related events can be uploaded."""
from ereuse_devicehub.resources.event.models import EraseBasic, Test, Rate, Install, \
Benchmark
for event in data['events_one']:
if not isinstance(event,
(Install, EraseBasic, Rate, Test, Benchmark)):
raise ValidationError('You cannot upload {}'.format(event),
field_names=['events'])
def decode_snapshot(data):
try:
return jwt.decode(data['data'],
app.config['JWT_PASS'],
algorithms="HS256",
json_encoder=ereuse_utils.JSONEncoder)
except jwt.exceptions.InvalidSignatureError as err:
txt = 'Invalid snapshot'
raise ValidationError(txt)
def validate(self, data):
"""If there are one device than have one confirmation,
then remove the list this device of the list of devices of this action
"""
for doc in data['documents']:
ac = doc.trading
if not doc.trading in ['Confirm', 'Need Confirmation']:
txt = 'Some of documents do not have enough to confirm for to do a Doble Confirmation'
ValidationError(txt)
def validate(self, data):
"""All devices need to have the status of DoubleConfirmation."""
devices = data['devices']
if not devices:
raise ValidationError('Devices not exist.')
lot = data['action'].lot
self.model = delete_from_trade(lot, devices)
def run(self,
device: Device,
components: Iterable[Component] or None) -> (Device, OrderedSet):
"""Synchronizes the device and components with the database.
Identifies if the device and components exist in the database
and updates / inserts them as necessary.
Passed-in parameters have to be transient, or said differently,
not-db-synced objects, or otherwise they would end-up being
added in the session. `Learn more... <http://docs.sqlalchemy.org/
en/latest/orm/session_state_management.html#quickie-intro-to
-object-states>`_.
This performs Add / Remove as necessary.
:param device: The device to add / update to the database.
:param components: Components that are inside of the device.
This method performs Add and Remove actions
so the device ends up with these components.
Components are added / updated accordingly.
If this is empty, all components are removed.
If this is None, it means that we are not
providing info about the components, in which
case we keep the already existing components
of the device –we don't touch them.
:return: A tuple of:
1. The device from the database (with an ID) whose
``components`` field contain the db version
of the passed-in components.
2. A list of Add / Remove (not yet added to session).
"""
db_device = self.execute_register(device)
db_components, actions = OrderedSet(), OrderedSet()
if components is not None: # We have component info (see above)
if not isinstance(db_device, Computer):
# Until a good reason is given, we synthetically forbid
# non-computers with components
raise ValidationError('Only computers can have components.')
blacklist = set() # type: Set[int]
not_new_components = set()
for component in components:
db_component, is_new = self.execute_register_component(component,
blacklist,
parent=db_device)
db_components.add(db_component)
if not is_new:
not_new_components.add(db_component)
# We only want to perform Add/Remove to not new components
actions = self.add_remove(db_device, not_new_components)
db_device.components = db_components
return db_device, actions
def validate(self, data):
"""If there are one device than have one confirmation,
then remove the list this device of the list of devices of this action
"""
real_devices = []
trade = data['action']
lot = trade.lot
for dev in data['devices']:
if dev.trading(lot, simple=True) not in [
'NeedConfirmation', 'NeedConfirmRevoke'
]:
raise ValidationError('Some devices not possible confirm.')
# Change the owner for every devices
for dev in data['devices']:
if dev.trading(lot) == 'NeedConfirmation':
user_to = data['action'].user_to
dev.change_owner(user_to)
def post(self):
"""Posts an event."""
json = request.get_json(validate=False)
if not json or 'type' not in json:
raise ValidationError('Resource needs a type.')
# todo there should be a way to better get subclassess resource
# defs
resource_def = app.resources[json['type']]
e = resource_def.schema.load(json)
if json['type'] == Snapshot.t:
return self.snapshot(e, resource_def)
Model = db.Model._decl_class_registry.data[json['type']]()
event = Model(**e)
db.session.add(event)
db.session().final_flush()
ret = self.schema.jsonify(event)
ret.status_code = 201
db.session.commit()
return ret
def execute_register(self, device: Device) -> Device:
"""
Synchronizes one device to the DB.
This method tries to get an existing device using the HID
or one of the tags, and...
- if it already exists it returns a "local synced version"
–the same ``device`` you passed-in but with updated values
from the database. In this case we do not
"touch" any of its values on the DB.
- If it did not exist, a new device is created in the db.
This method validates that all passed-in tags (``device.tags``),
if linked, are linked to the same device, ditto for the hid.
Finally it links the tags with the device.
If you pass-in a component that is inside a parent, use
:meth:`.execute_register_component` as it has more specialized
methods to handle them.
:param device: The device to synchronize to the DB.
:raise NeedsId: The device has not any identifier we can use.
To still create the device use
``force_creation``.
:raise DatabaseError: Any other error from the DB.
:return: The synced device from the db with the tags linked.
"""
assert inspect(
device).transient, 'Device cannot be already synced from DB'
assert all(inspect(tag).transient
for tag in device.tags), 'Tags cannot be synced from DB'
if not device.tags and not device.hid:
# We cannot identify this device
raise NeedsId()
db_device = None
if device.hid:
with suppress(ResourceNotFound):
db_device = Device.query.filter_by(hid=device.hid).one()
try:
tags = {Tag.from_an_id(tag.id).one()
for tag in device.tags} # type: Set[Tag]
except ResourceNotFound:
raise ResourceNotFound(
'tag you are linking to device {}'.format(device))
linked_tags = {tag for tag in tags if tag.device_id} # type: Set[Tag]
if linked_tags:
sample_tag = next(iter(linked_tags))
for tag in linked_tags:
if tag.device_id != sample_tag.device_id:
raise MismatchBetweenTags(
tag, sample_tag) # Tags linked to different devices
if db_device: # Device from hid
if sample_tag.device_id != db_device.id: # Device from hid != device from tags
raise MismatchBetweenTagsAndHid(db_device.id,
db_device.hid)
else: # There was no device from hid
if sample_tag.device.physical_properties != device.physical_properties:
# Incoming physical props of device != props from tag's device
# which means that the devices are not the same
raise MismatchBetweenProperties(
sample_tag.device.physical_properties,
device.physical_properties)
db_device = sample_tag.device
if db_device: # Device from hid or tags
self.merge(device, db_device)
else: # Device is new and tags are not linked to a device
device.tags.clear(
) # We don't want to add the transient dummy tags
db.session.add(device)
db_device = device
db_device.tags |= tags # Union of tags the device had plus the (potentially) new ones
try:
db.session.flush()
except IntegrityError as e:
# Manage 'one tag per organization' unique constraint
if 'One tag per organization' in e.args[0]:
# todo test for this
id = int(e.args[0][135:e.args[0].index(',', 135)])
raise ValidationError('The device is already linked to tag {} '
'from the same organization.'.format(id),
field_names=['device.tags'])
else:
raise
assert db_device is not None
return db_device
def use_only_domain(self, _, url: URL):
if url.path:
raise ValidationError('Provider can only contain scheme and host',
field_names=['provider'])
return url
def does_not_contain_slash(self, _, value: str):
if '/' in value:
raise ValidationError('Tags cannot contain slashes (/).')
return value
def validate_meid(self, _, value: str):
if not meid.is_valid(value):
raise ValidationError('{} is not a valid meid.'.format(value))
return value
def validate_imei(self, _, value: int):
if not imei.is_valid(str(value)):
raise ValidationError('{} is not a valid imei.'.format(value))
return value
def does_not_contain_slash(self, _, value: str):
if '/' in value:
raise ValidationError('Name cannot contain slash \'')
return value
def post(self):
"""Posts an action."""
json = request.get_json(validate=False)
if not json or 'type' not in json:
raise ValidationError('Post request needs a json.')
# todo there should be a way to better get subclassess resource
# defs
resource_def = app.resources[json['type']]
if json['type'] == Snapshot.t:
if json.get('software') == 'Web' and json['device'] == 'Computer':
txt = 'Invalid snapshot'
raise ValidationError(txt)
if json.get('software') == 'Web':
snapshot = SnapshotView(json, resource_def, self.schema)
return snapshot.post()
# TODO @cayop uncomment at four weeks
# if not 'data' in json:
# txt = 'Invalid snapshot'
# raise ValidationError(txt)
# snapshot_data = decode_snapshot(json)
snapshot_data = json
if 'data' in json:
snapshot_data = decode_snapshot(json)
if not snapshot_data:
txt = 'Invalid snapshot'
raise ValidationError(txt)
snapshot = SnapshotView(snapshot_data, resource_def, self.schema)
return snapshot.post()
if json['type'] == VisualTest.t:
pass
# TODO JN add compute rate with new visual test and old components device
if json['type'] == InitTransfer.t:
return self.transfer_ownership()
if json['type'] == Trade.t:
trade = trade_view.TradeView(json, resource_def, self.schema)
return trade.post()
if json['type'] == Confirm.t:
confirm = trade_view.ConfirmView(json, resource_def, self.schema)
return confirm.post()
if json['type'] == Revoke.t:
revoke = trade_view.RevokeView(json, resource_def, self.schema)
return revoke.post()
if json['type'] == 'ConfirmRevoke':
revoke = trade_view.RevokeView(json, resource_def, self.schema)
return revoke.post()
if json['type'] == 'RevokeDocument':
revoke = trade_view.RevokeDocumentView(json, resource_def,
self.schema)
return revoke.post()
if json['type'] == 'ConfirmDocument':
confirm = trade_view.ConfirmDocumentView(json, resource_def,
self.schema)
return confirm.post()
if json['type'] == 'ConfirmRevokeDocument':
confirm_revoke = trade_view.ConfirmRevokeDocumentView(
json, resource_def, self.schema)
return confirm_revoke.post()
if json['type'] == 'DataWipe':
erased = ErasedView(json, resource_def.schema)
return erased.post()
a = resource_def.schema.load(json)
Model = db.Model._decl_class_registry.data[json['type']]()
action = Model(**a)
db.session.add(action)
db.session().final_flush()
ret = self.schema.jsonify(action)
ret.status_code = 201
db.session.commit()
return ret
