APIs Authentication
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Questions and Answers

What does the method DeleteUser return if the deletion is unsuccessful?

  • A comma-delimited string of error messages (correct)
  • A list of all existing users
  • A boolean value indicating success
  • An empty string

What parameter does the GeneratePasswordResetUrl method accept to determine if it is for a password reset operation?

  • userName
  • roleName
  • isReset (correct)
  • email

Which method would you use to check if an email address is already used by a user?

  • GeneratePassword
  • EmailAlreadyExists (correct)
  • DeleteUser
  • GetRolesForUser

What does the GetAllUsersWithRoles method return?

<p>Users who have any of the specified roles (A)</p> Signup and view all the answers

Which of the following methods generates a valid password based on complexity requirements?

<p>GeneratePassword (B)</p> Signup and view all the answers

What is the expected return type of the GetAllRoles method?

<p>Collection of available roles (A)</p> Signup and view all the answers

What will the DeleteRole method return if the deletion is successful?

<p>An empty string (D)</p> Signup and view all the answers

Which method retrieves the roles assigned to a specific user?

<p>GetRolesForUser (B)</p> Signup and view all the answers

What does the method IsAuthenticated() return?

<p>True if the current user is currently authenticated. (D)</p> Signup and view all the answers

What parameter does IsLockedOut(string userName) require?

<p>The username of the user for which to check the locked out status. (A)</p> Signup and view all the answers

Which method is used to lock a user out of the application?

<p>LockUserOut(string userName) (C)</p> Signup and view all the answers

What does the method MinRequiredNonAlphanumericCharacters() return?

<p>The minimum number of non-alphanumeric characters required for a valid password. (C)</p> Signup and view all the answers

In the method IsUserInRole(string userName, string roleName), what does it indicate?

<p>Whether the role is assigned to the user. (C)</p> Signup and view all the answers

What is the purpose of the IsValidPassword(string password) method?

<p>To determine if the password meets complexity requirements. (B)</p> Signup and view all the answers

What does MinRequiredLowercaseCharacters() specifically return?

<p>The minimum number of lowercase characters required for a valid password. (B)</p> Signup and view all the answers

Which of the following methods checks the current user's authentication status?

<p>IsAuthenticated() (A)</p> Signup and view all the answers

What does the method MinRequiredPasswordLength() return?

<p>The minimum length (total number of characters) required for a valid password. (B)</p> Signup and view all the answers

Which method indicates whether a user must provide a security question and answer for account creation?

<p>RequiresQuestionAndAnswer() (B)</p> Signup and view all the answers

What will RemoveUserFromRole(string userName, string roleName) return upon successful execution?

<p>An empty string if the unassignment was successful. (D)</p> Signup and view all the answers

Which of the following methods requires an additional parameter to execute?

<p>ResetPasswordForUser() (A)</p> Signup and view all the answers

What is the purpose of the RequiresUniqueEmail() method?

<p>To ensure users cannot use the same email address. (D)</p> Signup and view all the answers

What does MinRequiredUppercaseCharacters() return?

<p>The minimum number of uppercase characters required for a valid password. (C)</p> Signup and view all the answers

What is the return type of ResetPassword(string userName)?

<p>string (A)</p> Signup and view all the answers

Which method would you call to determine if a specific role exists in the application?

<p>RoleExists() (A)</p> Signup and view all the answers

What is the primary purpose of the Method RoleExists(string roleName)?

<p>To check if a specific role is present in the application. (A)</p> Signup and view all the answers

What does the method SignOut() accomplish?

<p>Ends the session of the currently authenticated user. (A)</p> Signup and view all the answers

What is returned by the UpdateUser(string userName, string email) method if the update is successful?

<p>An empty string. (A)</p> Signup and view all the answers

What type of parameter does ValidateUser(string userName, string password) require?

<p>Username and the corresponding password of the user. (A)</p> Signup and view all the answers

What is the outcome when the method UserNameAlreadyExists(string userName) is called?

<p>It returns a boolean indicating if the username is already taken. (C)</p> Signup and view all the answers

What does the UnlockUser(string userName) method achieve?

<p>Unlocks the account of a specified user only if it is locked. (C)</p> Signup and view all the answers

What happens if the VerifyPasswordResetTokenForUser(string userName, string resetToken) validation fails?

<p>Returns false indicating the reset token is not valid. (C)</p> Signup and view all the answers

In context to the method SetUserAsAuthenticated(string userName), what is its use?

<p>It authenticates and establishes the user's session during impersonation. (D)</p> Signup and view all the answers

What condition allows the handler to skip the execution of the password change logic?

<p>The reset token or new password is blank. (D)</p> Signup and view all the answers

What happens when the provided username is blank during execution?

<p>An error service result is created indicating the user profile was not found. (B)</p> Signup and view all the answers

Which of the following statements about the password complexity check is true?

<p>IsValidPassword method is executed only if the new password is not blank. (D)</p> Signup and view all the answers

What is the significance of the 'NextHandler' in the execution method?

<p>It indicates the next user handler in the authentication chain. (D)</p> Signup and view all the answers

What is the purpose of the 'UnlockUser' method in the given context?

<p>To ensure the user can log in with the new password. (A)</p> Signup and view all the answers

Which of these options accurately reflects how the user's activation status is modified?

<p>It is set to 'Activated' only when the password change is successful. (D)</p> Signup and view all the answers

What does the 'CreateErrorServiceResult' method return when the password cannot be changed?

<p>An error result indicating the inability to change the password. (B)</p> Signup and view all the answers

What data type is returned by the 'Order' property in the 'ChangePasswordWithToken' class?

<p>int (D)</p> Signup and view all the answers

Flashcards

DeleteRole(roleName)

Removes a role from the application.

DeleteUser(userName)

Removes a user from the application.

EmailAlreadyExists(email)

Checks if an email is already used.

GeneratePassword()

Creates a secure password.

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GeneratePasswordResetUrl(userName, isReset)

Creates a URL for resetting a password.

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GetAllRoles()

Retrieves all available roles.

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GetAllUsersWithRoles(roles)

Finds users with specific roles.

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GetRolesForUser(userName)

Gets a user's assigned roles.

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IsAuthenticated()

Checks if a user is logged in.

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IsLockedOut(userName)

Checks if a user account is locked.

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IsUserInRole(userName, roleName)

Checks if a user has a specific role.

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IsValidPassword(password)

Checks if a password meets complexity rules.

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LockUserOut(userName)

Locks a user account.

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MinRequiredDigits()

Minimum digit count for a password.

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MinRequiredLowercaseCharacters()

Minimum lowercase character count.

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MinRequiredNonAlphanumericCharacters()

Minimum non-alphanumeric character count for a password

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MinRequiredPasswordLength()

Minimum password length.

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MinRequiredUppercaseCharacters()

Minimum uppercase character count for password.

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RemoveUserFromRole(userName, roleName)

Removes a user's role.

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RequiresQuestionAndAnswer()

Checks security question/answer requirement.

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RequiresUniqueEmail()

Checks if email must be unique.

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ResetPassword(userName)

Resets a user password.

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ResetPasswordForUser(userName, newPassword, resetToken)

Changes a user password with a token.

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RoleExists(roleName)

Checks if a role exists.

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SetUserAsAuthenticated(userName)

Logs user in.

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SignOut()

Logs out user.

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UnlockUser(userName)

Unlocks a user account.

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UpdateUser(userName, email)

Updates a user's email address.

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UserNameAlreadyExists(userName)

Checks if a user name is already used.

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ValidateUser(userName, password)

Verifies user login credentials.

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VerifyPasswordResetTokenForUser(userName, resetToken)

Validates a password reset token.

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Study Notes

Authentication Service Functions

  • DeleteRole(string roleName): Deletes a role from the application. Returns an empty string if successful, otherwise returns a comma-separated list of error messages.
  • DeleteUser(string userName): Deletes a user from the application. Returns an empty string if successful, otherwise returns a comma-separated list of error messages.
  • EmailAlreadyExists(string email): Checks whether an email address is already in use by an existing user. Returns True if the email address is already in use.
  • GeneratePassword(): Generates a valid password based on password complexity requirements. Returns a valid password string.
  • GeneratePasswordResetUrl(string userName, bool isReset): Generates a password reset URL for a specified user. The user can use the URL to reset their password. Returns a URL string including a reset token.
  • GetAllRoles(): Returns a collection of all available roles in the application.
  • GetAllUsersWithRoles(IEnumerable roles): Returns a collection of users assigned to any of the specified roles.
  • GetRolesForUser(string userName): Returns a list of all roles assigned to a specific user.
  • IsAuthenticated(): Checks if the current user is authenticated. Returns True if the user is authenticated.
  • IsLockedOut(string userName): Checks if a user is locked out of the application. Returns True if the user is locked out.
  • IsUserInRole(string userName, string roleName): Determines if a user is assigned to a specific role. Returns True if the role is assigned to the user.
  • IsValidPassword(string password): Checks if a password meets the complexity requirements of the application. Returns True if the password is valid.
  • LockUserOut(string userName): Locks a user out of the application.
  • MinRequiredDigits(): Returns the minimum number of digits required for a valid password.
  • **MinRequiredLowercaseCharacters(): ** Returns the minimum number of lowercase characters required for a valid password.
  • MinRequiredNonAlphanumericCharacters(): Returns the minimum number of non-alphanumeric characters required for a valid password.
  • MinRequiredPasswordLength(): Returns the minimum length (in characters) required for a valid password.
  • MinRequiredUppercaseCharacters(): Returns the minimum number of uppercase characters required for a valid password.
  • RemoveUserFromRole(string userName, string roleName): Unassigns a role from a specific user. Returns an empty string if successful, otherwise returns a comma-separated list of error messages.
  • RequiresQuestionAndAnswer(): Indicates if a security question and answer are required during account creation. Returns True if a security question and answer are required.
  • RequiresUniqueEmail(): Indicates whether email addresses must be unique among all users. Returns True if email addresses must be unique.
  • ResetPassword(string userName): Resets a user's password to a randomly generated, valid password.
  • ResetPasswordForUser(string userName, string newPassword, string resetToken): Changes a user's password using a given reset token. Returns True if the password change is successful.
  • RoleExists(string roleName): Checks if a role exists in the application. Returns True if the specified role exists.
  • SetUserAsAuthenticated(string userName): Authenticates a user. Used during impersonation, access token validation, and punchout session initialization.
  • SignOut(): Ends the current user's session.
  • UnlockUser(string userName): Unlocks a user's account.
  • UpdateUser(string userName, string email): Updates the email address for a user. Returns an empty string if successful, otherwise returns a comma-separated list of error messages.
  • UserNameAlreadyExists(string userName): Checks if a username is already in use. Returns True if the username is already in use.
  • ValidateUser(string userName, string password): Validates user credentials. Returns True if the credentials are valid.
  • VerifyPasswordResetTokenForUser(string userName, string resetToken): Validates a password reset token for a specific user. Returns True if the reset token is valid.

Password Changes (Example)

  • ChangePasswordWithToken class demonstrates the process of changing a password using a reset token.
  • This code utilizes the IAuthenticationService and checks all required parameters before calling relevant functions to change the password, update user profile data, and unlock the account.
  • It uses a CreateErrorServiceResult function to indicate whether the password change was successful or encountered an error.

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APIs - Authentication PDF

Description

Test your knowledge on the various functions of authentication services in software applications. This quiz covers role deletion, user management, email verification, password generation, and more. Gain insight into the essential components of authentication services.

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