Implemented password and otp generator

quantumcat/applications/generator/__init__.py

@@ -14,3 +14,5 @@
 
 
 from quantumcat.applications.generator.random_number import RandomNumber
+from quantumcat.applications.generator.password import Password
+from quantumcat.applications.generator.otp import OTP

quantumcat/applications/generator/otp.py

@@ -0,0 +1,35 @@
+# (C) Copyright Artificial Brain 2021.
+#
+#  Licensed under the Apache License, Version 2.0 (the "License");
+#  you may not use this file except in compliance with the License.
+#  You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+#  Unless required by applicable law or agreed to in writing, software
+#  distributed under the License is distributed on an "AS IS" BASIS,
+#  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+#  See the License for the specific language governing permissions and
+#  limitations under the License.
+
+
+import requests
+from quantumcat.utils import constants, ErrorMessages
+from quantumcat.exceptions import OTPLengthError
+
+
+class OTP:
+    def __init__(self):
+        self.length = 5
+
+    def generate(self):
+        ANU_QRNG_REQUEST_URL = constants.ANU_QRNG_URL + '?length=10&type=' + \
+                               constants.UNIT16_TYPE
+        response = requests.get(ANU_QRNG_REQUEST_URL)
+        if response.status_code != 200:
+            return 'Something went wromg'
+        data = response.json()
+        otp = data['data']
+        for i in range(len(otp)):
+            if len(str(otp[i])) == self.length:
+                return otp[i]

quantumcat/applications/generator/password.py

@@ -0,0 +1,36 @@
+# (C) Copyright Artificial Brain 2021.
+#
+#  Licensed under the Apache License, Version 2.0 (the "License");
+#  you may not use this file except in compliance with the License.
+#  You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+#  Unless required by applicable law or agreed to in writing, software
+#  distributed under the License is distributed on an "AS IS" BASIS,
+#  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+#  See the License for the specific language governing permissions and
+#  limitations under the License.
+
+
+import requests
+from quantumcat.utils import constants, ErrorMessages
+from quantumcat.exceptions import PasswordLengthError
+
+
+class Password:
+    def __init__(self, length):
+        self.length = length
+
+    def generate(self):
+        if not (4 < self.length <= 20):
+            raise PasswordLengthError(ErrorMessages.PASSWORD_LENGTH_INCORRECT)
+
+        ANU_QRNG_REQUEST_URL = constants.ANU_QRNG_URL + '?length=1&type=' + \
+                               constants.HEX_TYPE + '&size=' + str(self.length)
+        response = requests.get(ANU_QRNG_REQUEST_URL)
+        if response.status_code != 200:
+            return 'Something went wromg'
+        data = response.json()
+        password = data['data'][0]
+        return password[0: self.length]

quantumcat/circuit/circuit.py

@@ -382,7 +382,7 @@ def get_operations(self):
 
     def check_qubit_boundary(self, qubit):
         if qubit > (self.qubits - 1):
-            raise CircuitError(ErrorMessages.qubit_out_of_bound)
+            raise CircuitError(ErrorMessages.QUBIT_OUT_OF_BOUND)
 
     def draw_circuit(self, provider=providers.DEFAULT_PROVIDER):
         self.check_and_convert(provider)
@@ -427,7 +427,7 @@ def execute(self, provider=providers.DEFAULT_PROVIDER,
                                              simulator_name, repetitions, api)
         elif self.provider == providers.IONQ_PROVIDER:
             if api is None:
-                raise APIDetailsNotFoundError(ErrorMessages.ionq_api_details_not_provided)
+                raise APIDetailsNotFoundError(ErrorMessages.IONQ_API_DETAILS_NOT_PROVIDED)
             return execute_circuit.on_ionq(self.converted_q_circuit,
                                            default_target, repetitions, api, self.get_operations())
 

quantumcat/exceptions/__init__.py

@@ -12,7 +12,10 @@
 #  See the License for the specific language governing permissions and
 #  limitations under the License.
 
+
 from quantumcat.exceptions.exception import QuantumCatError
 from quantumcat.exceptions.circuit_error import CircuitError
 from quantumcat.exceptions.install_error import InstallNotFoundError
 from quantumcat.exceptions.api_error import APIDetailsNotFoundError
+from quantumcat.exceptions.password_length import PasswordLengthError
+from quantumcat.exceptions.otp_length import OTPLengthError

quantumcat/exceptions/otp_length.py

@@ -0,0 +1,21 @@
+# (C) Copyright Artificial Brain 2021.
+#
+#  Licensed under the Apache License, Version 2.0 (the "License");
+#  you may not use this file except in compliance with the License.
+#  You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+#  Unless required by applicable law or agreed to in writing, software
+#  distributed under the License is distributed on an "AS IS" BASIS,
+#  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+#  See the License for the specific language governing permissions and
+#  limitations under the License.
+
+from quantumcat.exceptions import QuantumCatError
+
+
+class OTPLengthError(QuantumCatError):
+    """Base class for errors raised for api details not found."""
+
+    pass

quantumcat/exceptions/password_length.py

@@ -0,0 +1,21 @@
+# (C) Copyright Artificial Brain 2021.
+#
+#  Licensed under the Apache License, Version 2.0 (the "License");
+#  you may not use this file except in compliance with the License.
+#  You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+#  Unless required by applicable law or agreed to in writing, software
+#  distributed under the License is distributed on an "AS IS" BASIS,
+#  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+#  See the License for the specific language governing permissions and
+#  limitations under the License.
+
+from quantumcat.exceptions import QuantumCatError
+
+
+class PasswordLengthError(QuantumCatError):
+    """Base class for errors raised for api details not found."""
+
+    pass

quantumcat/utils/constants.py

@@ -19,3 +19,6 @@
 PARAMS = 'params'
 BINARY = 'binary'
 DECIMAL = 'decimal'
+ANU_QRNG_URL = 'https://qrng.anu.edu.au/API/jsonI.php'
+HEX_TYPE = 'hex16'
+UNIT16_TYPE = 'uint16'

quantumcat/utils/error_messages.py

@@ -12,8 +12,11 @@
 #  See the License for the specific language governing permissions and
 #  limitations under the License.
 
-qubit_out_of_bound = 'Qubit is out of bound.'
-cbit_out_of_bound = 'Classical Bit is out of bound.'
-qiskit_not_installed = 'Qiskit is not installed.'
-api_details_not_provided = 'API Key is required for running on real quantum device.'
-ionq_api_details_not_provided = 'API Key is required for running on IonQ.'
+QUBIT_OUT_OF_BOUND = 'Qubit is out of bound.'
+CBIT_OUT_OF_BOUND = 'Classical Bit is out of bound.'
+QISKIT_NOT_INSTALLED = 'Qiskit is not installed.'
+API_DETAILS_NOT_PROVIDED = 'API Key is required for running on real quantum device.'
+IONQ_API_DETAILS_NOT_PROVIDED = 'API Key is required for running on IonQ.'
+PASSWORD_LENGTH_INCORRECT = 'Password length should be between 5 and 20'
+OTP_LENGTH_INCORRECT = 'OTP length should be either 4 or 5'
+

requirements.txt

@@ -1,3 +1,4 @@
 qiskit==0.26.2
 cirq==0.11.0
 amazon-braket-sdk==1.6.4
+requests==2.25.1