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"""Module used to handle Users in Napps Server.""" |
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import logging |
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import re |
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from getpass import getpass |
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from kytos.utils.client import UsersClient |
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LOG = logging.getLogger(__name__) |
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NAME_PATTERN = ("\t- insert only letters", r'[a-zA-Z][a-zA-Z]{2,}$') |
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USERNAME_PATTERN = ("\t- start with letter\n" |
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"\t- insert only numbers and letters", |
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r'[a-zA-Z][a-zA-Z0-9_]{2,}$') |
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PASSWORD_PATTERN = ("\t- insert only the caracters:" |
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" [letters, numbers, _, %, &, -, $]" |
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"\n\t- must be at least 6 characters", |
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r'[a-zA-Z0-9_%\-&$]{6,}$') |
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EMAIL_PATTERN = ("\t- follow the format: <login>@<domain>\n" |
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"\t\te.g. [email protected]", r'[^@]+@[^@]+\.[^@]+') |
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PHONE_PATTERN = ("\t- insert only numbers", r'\d*$') |
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class UsersManager: |
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"""Class used to handle users stored by Napps server.""" |
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attributes = { |
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"username": {"field_name": "Username (Required)", |
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"pattern": USERNAME_PATTERN}, |
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"first_name": {"field_name": "First Name (Required)", |
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"pattern": NAME_PATTERN}, |
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"last_name": {"field_name": "Last Name", "pattern": NAME_PATTERN}, |
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"password": {"field_name": "Password (Required)", |
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"pattern": PASSWORD_PATTERN}, |
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"email": {"field_name": "Email (Required)", "pattern": EMAIL_PATTERN}, |
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"phone": {"field_name": "Phone", "pattern": PHONE_PATTERN}, |
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"city": {"field_name": "City", "pattern": NAME_PATTERN}, |
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"state": {"field_name": "State", "pattern": NAME_PATTERN}, |
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"country": {"field_name": "Country", "pattern": NAME_PATTERN} |
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} |
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required = ["username", "first_name", "password", "email"] |
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def __init__(self): |
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"""Instance a new UsersManager. |
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This method do not need parameters. |
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""" |
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self._users_client = UsersClient() |
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def register(self): |
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"""Register a new user. |
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This method will ask for user attributes and create the user in |
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Napps server, when All required fields is filled. |
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Returns: |
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result(string): Response of user registration process. |
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""" |
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user = {} |
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print('--------------------------------------------------------------') |
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print('Welcome to the user registration process.') |
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print('--------------------------------------------------------------') |
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print("To continue you must fill the following fields.") |
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for attribute, value in self.attributes.items(): |
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is_required = attribute in self.required |
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field_name = value['field_name'] |
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pattern = value['pattern'] |
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if attribute != 'password': |
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user[attribute] = self.ask_question(field_name, pattern, |
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is_required) |
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else: |
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user[attribute] = self.ask_question(field_name, pattern, |
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password=True) |
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return self._users_client.register(user) |
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def ask_question(self, field_name, pattern=NAME_PATTERN, is_required=False, |
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password=False): |
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"""Ask a question and get the input values. |
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This method will validade the input values. |
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Args: |
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field_name(string): Field name used to ask for input value. |
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pattern(tuple): Pattern to validate the input value. |
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is_required(bool): Boolean value if the input value is required. |
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password(bool): Boolean value to get input password with mask. |
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Returns: |
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input_value(string): Input value validated. |
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""" |
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input_value = "" |
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question = ("Insert the field using the pattern below:" |
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"\n{}\n{}: ".format(pattern[0], field_name)) |
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while not input_value: |
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input_value = getpass(question) if password else input(question) |
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if not (input_value or is_required): |
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break |
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if password: |
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confirm_password = getpass('Confirm your password: ') |
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if confirm_password != input_value: |
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print("Password does not match") |
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input_value = "" |
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if not self.valid_attribute(input_value, pattern[1]): |
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error_message = "The content must fit the pattern: {}\n" |
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print(error_message.format(pattern[0])) |
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input_value = "" |
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return input_value |
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@classmethod |
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def valid_attribute(cls, attribute, pattern): |
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"""Check the validity of the given 'attribute' using the given pattern. |
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Args: |
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attribute(string): String with the value of an attribute |
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pattern(string): Pattern used to validate the attribute value. |
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Returns: |
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pattern_found(bool): Return True if the pattern match. |
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""" |
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return attribute and re.match(pattern, attribute) |
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kytos /
kytos-utils
