def link_state_delete():
if settings.app.demo_mode:
return utils.demo_blocked()
auth_token = flask.request.headers.get('Auth-Token', None)
auth_timestamp = flask.request.headers.get('Auth-Timestamp', None)
auth_nonce = flask.request.headers.get('Auth-Nonce', None)
auth_signature = flask.request.headers.get('Auth-Signature', None)
if not auth_token or not auth_timestamp or not auth_nonce or \
not auth_signature:
return flask.abort(406)
auth_token = auth_token[:256]
auth_timestamp = auth_timestamp[:64]
auth_nonce = auth_nonce[:32]
auth_signature = auth_signature[:512]
try:
if abs(int(auth_timestamp) - int(utils.time_now())) > \
settings.app.auth_time_window:
return flask.abort(408)
except ValueError:
return flask.abort(405)
host = link.get_host(database.ObjectId(auth_token))
if not host:
return flask.abort(404)
auth_string = '&'.join([
auth_token,
auth_timestamp,
auth_nonce,
flask.request.method,
flask.request.path,
])
if len(auth_string) > AUTH_SIG_STRING_MAX_LEN:
return flask.abort(413)
auth_test_signature = base64.b64encode(
hmac.new(host.secret.encode(), auth_string.encode(),
hashlib.sha512).digest()).decode()
if not utils.const_compare(auth_signature, auth_test_signature):
return flask.abort(401)
nonces_collection = mongo.get_collection('auth_nonces')
try:
nonces_collection.insert({
'token': auth_token,
'nonce': auth_nonce,
'timestamp': utils.now(),
})
except pymongo.errors.DuplicateKeyError:
return flask.abort(409)
host.set_inactive()
return utils.jsonify({})
def link_state_delete():
if settings.app.demo_mode:
return utils.demo_blocked()
auth_token = flask.request.headers.get('Auth-Token', None)
auth_timestamp = flask.request.headers.get('Auth-Timestamp', None)
auth_nonce = flask.request.headers.get('Auth-Nonce', None)
auth_signature = flask.request.headers.get('Auth-Signature', None)
if not auth_token or not auth_timestamp or not auth_nonce or \
not auth_signature:
return flask.abort(401)
auth_nonce = auth_nonce[:32]
try:
if abs(int(auth_timestamp) - int(utils.time_now())) > \
settings.app.auth_time_window:
return flask.abort(401)
except ValueError:
return flask.abort(401)
host = link.get_host(utils.ObjectId(auth_token))
if not host:
return flask.abort(401)
auth_string = '&'.join([
auth_token,
auth_timestamp,
auth_nonce,
flask.request.method,
flask.request.path,
])
if len(auth_string) > AUTH_SIG_STRING_MAX_LEN:
return flask.abort(401)
auth_test_signature = base64.b64encode(hmac.new(
host.secret.encode(), auth_string,
hashlib.sha512).digest())
if not utils.const_compare(auth_signature, auth_test_signature):
return flask.abort(401)
nonces_collection = mongo.get_collection('auth_nonces')
try:
nonces_collection.insert({
'token': auth_token,
'nonce': auth_nonce,
'timestamp': utils.now(),
})
except pymongo.errors.DuplicateKeyError:
return flask.abort(401)
host.set_inactive()
return utils.jsonify({})
def link_state_put():
if settings.app.demo_mode:
return utils.demo_blocked()
auth_token = flask.request.headers.get('Auth-Token', None)
auth_timestamp = flask.request.headers.get('Auth-Timestamp', None)
auth_nonce = flask.request.headers.get('Auth-Nonce', None)
auth_signature = flask.request.headers.get('Auth-Signature', None)
if not auth_token or not auth_timestamp or not auth_nonce or \
not auth_signature:
return flask.abort(406)
auth_nonce = auth_nonce[:32]
try:
if abs(int(auth_timestamp) - int(utils.time_now())) > \
settings.app.auth_time_window:
return flask.abort(408)
except ValueError:
return flask.abort(405)
host = link.get_host(utils.ObjectId(auth_token))
if not host:
return flask.abort(404)
auth_string = '&'.join([
auth_token,
auth_timestamp,
auth_nonce,
flask.request.method,
flask.request.path,
])
if len(auth_string) > AUTH_SIG_STRING_MAX_LEN:
return flask.abort(413)
auth_test_signature = base64.b64encode(
hmac.new(host.secret.encode(), auth_string, hashlib.sha512).digest())
if not utils.const_compare(auth_signature, auth_test_signature):
return flask.abort(401)
nonces_collection = mongo.get_collection('auth_nonces')
try:
nonces_collection.insert({
'token': auth_token,
'nonce': auth_nonce,
'timestamp': utils.now(),
})
except pymongo.errors.DuplicateKeyError:
return flask.abort(409)
host.load_link()
host.version = flask.request.json.get('version')
host.public_address = flask.request.json.get('public_address')
host.local_address = flask.request.json.get('local_address')
host.address6 = flask.request.json.get('address6')
data = json.dumps(host.get_state(), default=lambda x: str(x))
data += (16 - len(data) % 16) * '\x00'
iv = os.urandom(16)
key = hashlib.sha256(host.secret).digest()
cipher = Cipher(algorithms.AES(key),
modes.CBC(iv),
backend=default_backend()).encryptor()
enc_data = base64.b64encode(cipher.update(data) + cipher.finalize())
enc_signature = base64.b64encode(
hmac.new(host.secret.encode(), enc_data, hashlib.sha512).digest())
resp = flask.Response(response=enc_data, mimetype='application/base64')
resp.headers.add('Cache-Control', 'no-cache, no-store, must-revalidate')
resp.headers.add('Pragma', 'no-cache')
resp.headers.add('Expires', 0)
resp.headers.add('Cipher-IV', base64.b64encode(iv))
resp.headers.add('Cipher-Signature', enc_signature)
return resp
def link_state_put():
auth_token = flask.request.headers.get('Auth-Token', None)
auth_timestamp = flask.request.headers.get('Auth-Timestamp', None)
auth_nonce = flask.request.headers.get('Auth-Nonce', None)
auth_signature = flask.request.headers.get('Auth-Signature', None)
if not auth_token or not auth_timestamp or not auth_nonce or \
not auth_signature:
return flask.abort(401)
auth_nonce = auth_nonce[:32]
try:
if abs(int(auth_timestamp) - int(utils.time_now())) > \
settings.app.auth_time_window:
return flask.abort(401)
except ValueError:
return flask.abort(401)
host = link.get_host(utils.ObjectId(auth_token))
if not host:
return flask.abort(401)
auth_string = '&'.join([
auth_token,
auth_timestamp,
auth_nonce,
flask.request.method,
flask.request.path,
])
if len(auth_string) > AUTH_SIG_STRING_MAX_LEN:
return flask.abort(401)
auth_test_signature = base64.b64encode(
hmac.new(host.secret.encode(), auth_string, hashlib.sha512).digest())
if auth_signature != auth_test_signature:
return flask.abort(401)
nonces_collection = mongo.get_collection('auth_nonces')
try:
nonces_collection.insert({
'token': auth_token,
'nonce': auth_nonce,
'timestamp': utils.now(),
})
except pymongo.errors.DuplicateKeyError:
return flask.abort(401)
data = json.dumps(host.get_state(), default=lambda x: str(x))
data += (16 - len(data) % 16) * '\x00'
iv = Crypto.Random.new().read(16)
key = hashlib.sha256(host.secret).digest()
cipher = Crypto.Cipher.AES.new(
key,
Crypto.Cipher.AES.MODE_CBC,
iv,
)
enc_data = base64.b64encode(cipher.encrypt(data))
resp = flask.Response(response=enc_data, mimetype='application/base64')
resp.headers.add('Cache-Control', 'no-cache, no-store, must-revalidate')
resp.headers.add('Pragma', 'no-cache')
resp.headers.add('Expires', 0)
resp.headers.add('Cipher-IV', base64.b64encode(iv))
return resp
def link_state_put():
if settings.app.demo_mode:
return utils.demo_blocked()
auth_token = flask.request.headers.get('Auth-Token', None)
auth_timestamp = flask.request.headers.get('Auth-Timestamp', None)
auth_nonce = flask.request.headers.get('Auth-Nonce', None)
auth_signature = flask.request.headers.get('Auth-Signature', None)
if not auth_token or not auth_timestamp or not auth_nonce or \
not auth_signature:
return flask.abort(401)
auth_nonce = auth_nonce[:32]
try:
if abs(int(auth_timestamp) - int(utils.time_now())) > \
settings.app.auth_time_window:
return flask.abort(401)
except ValueError:
return flask.abort(401)
host = link.get_host(utils.ObjectId(auth_token))
if not host:
return flask.abort(401)
auth_string = '&'.join([
auth_token,
auth_timestamp,
auth_nonce,
flask.request.method,
flask.request.path,
])
if len(auth_string) > AUTH_SIG_STRING_MAX_LEN:
return flask.abort(401)
auth_test_signature = base64.b64encode(hmac.new(
host.secret.encode(), auth_string,
hashlib.sha512).digest())
if not utils.const_compare(auth_signature, auth_test_signature):
return flask.abort(401)
nonces_collection = mongo.get_collection('auth_nonces')
try:
nonces_collection.insert({
'token': auth_token,
'nonce': auth_nonce,
'timestamp': utils.now(),
})
except pymongo.errors.DuplicateKeyError:
return flask.abort(401)
host.load_link()
host.version = flask.request.json.get('version')
host.public_address = flask.request.json.get('public_address')
data = json.dumps(host.get_state(), default=lambda x: str(x))
data += (16 - len(data) % 16) * '\x00'
iv = Crypto.Random.new().read(16)
key = hashlib.sha256(host.secret).digest()
cipher = Crypto.Cipher.AES.new(
key,
Crypto.Cipher.AES.MODE_CBC,
iv,
)
enc_data = base64.b64encode(cipher.encrypt(data))
enc_signature = base64.b64encode(hmac.new(
host.secret.encode(), enc_data,
hashlib.sha512).digest())
resp = flask.Response(response=enc_data, mimetype='application/base64')
resp.headers.add('Cache-Control',
'no-cache, no-store, must-revalidate')
resp.headers.add('Pragma', 'no-cache')
resp.headers.add('Expires', 0)
resp.headers.add('Cipher-IV', base64.b64encode(iv))
resp.headers.add('Cipher-Signature', enc_signature)
return resp
