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How does OAuth2 interact with mobile application APIs for secure access?

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When you use mobile applications, you often need to log in to access personalized services. This is where OAuth2 (Open Authorization 2) steps in as a protocol to provide secure designated access to your resources on one site to another without sharing your credentials. Essentially, OAuth2 allows a user to grant limited access to their resources on one site to another site, working as an intermediary on behalf of the end user. It's the behind-the-scenes process that enables you to use one account to sign in to multiple platforms safely.

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1 OAuth2 Basics

OAuth2 is a framework that allows third-party services to perform actions or access information on a user's behalf without exposing their password. Think of it as a valet key for your digital accounts. Just as a valet key can start your car but can't unlock the trunk, OAuth2 grants limited access to your data. It separates the role of the client from the resource owner, and in the mobile context, the client is the application requesting access to your account, while you are the resource owner.

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Rodrigo Medina

Director comercial | Top 5% Linkedin frontend developers | Also FULLSTACK DEV with experience in YII2, ANGULAR, VUE, GULP, AWS, NODE, UNIX, PHP8, MySQL, MARíADB, MVC, PSR, OPENAI, OPENAPI3.0
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Debería ser el sistema por defecto para el inicio de sesión en todos los desarollos medianamente grandes, ya que la pobre calidad de los controles de acceso que se implementan en diferentes sistemas es el principal problema de seguridad en muchas empresas

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2 User Experience

The user experience with OAuth2 in mobile apps is streamlined for convenience. When you attempt to use a service that requires login, the app redirects you to a secure authentication page where you can approve the request. Once you've granted permission, the service uses an authorization token to access your information. This token acts as a stamp of approval, confirming your consent without sharing your actual login credentials with the third-party app.

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Rodrigo Medina

Director comercial | Top 5% Linkedin frontend developers | Also FULLSTACK DEV with experience in YII2, ANGULAR, VUE, GULP, AWS, NODE, UNIX, PHP8, MySQL, MARíADB, MVC, PSR, OPENAI, OPENAPI3.0
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Sin duda la mejor forma de iniciar sesión. Evita tener que recordar cientos de contrase?as y ofrece la comodidad de inicio de sesión en un click si el usuario ha logueado previamente en el proveedor de oauth

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3 Security Tokens

In OAuth2, security tokens are the cornerstone of maintaining secure access. These tokens represent the authorization granted to the third-party application to access your information. There are two main types: access tokens and refresh tokens. Access tokens are short-lived and used to make API requests on behalf of the user. Refresh tokens live longer and are used to obtain new access tokens when they expire. This mechanism ensures that access can be easily revoked and that tokens cannot be used indefinitely if compromised.

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Rodrigo Medina

Director comercial | Top 5% Linkedin frontend developers | Also FULLSTACK DEV with experience in YII2, ANGULAR, VUE, GULP, AWS, NODE, UNIX, PHP8, MySQL, MARíADB, MVC, PSR, OPENAI, OPENAPI3.0
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El mayor peligro que he visto de estos tokens es cuando no se realiza la validación correcta de la ip junto con una baja protección del mismo, lo que facilita ataques a través de un token robado

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4 Mobile API Interaction

Mobile applications interact with APIs using OAuth2 by exchanging tokens in a secure manner. The process typically involves sending the user to a login screen, where they authenticate with the service provider and grant permissions. The provider then issues an access token to the application, which is used in API calls to prove that the request is authorized. This token is included in the header of API requests, ensuring that user data can be accessed without exposing sensitive credentials.

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Rodrigo Medina

Director comercial | Top 5% Linkedin frontend developers | Also FULLSTACK DEV with experience in YII2, ANGULAR, VUE, GULP, AWS, NODE, UNIX, PHP8, MySQL, MARíADB, MVC, PSR, OPENAI, OPENAPI3.0
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El principal problema es que los principales proveedores de oauth requieren la creación de una "aplicación" en sus sitemas para poder usar el sistema de oauth, lo que lo hace los suficientemente complicado para que muchos programadores no sepan integrarlo

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5 Revoking Access

One of the benefits of OAuth2 is the ability to revoke access at any time. If you ever feel like you no longer want a mobile application to have access to your data, you can withdraw its permissions through the service provider's interface. This immediately invalidates the token, preventing any further API calls from the app. It's a user-friendly way to manage who has access to your information and for how long.

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6 Best Practices

Adhering to best practices is crucial for maintaining the security and integrity of OAuth2 implementations. Always ensure that all communications are over secure channels, like HTTPS, to prevent interception. Validate all tokens rigorously and implement strict error handling to avoid leaking information. When designing mobile applications, it's also important to store tokens securely and handle them sensitively, just like passwords, to protect user data from unauthorized access.

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7 Here’s what else to consider

This is a space to share examples, stories, or insights that don’t fit into any of the previous sections. What else would you like to add?

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How does OAuth2 interact with mobile application APIs for secure access?

1

2

3

4

5

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1 OAuth2 Basics

2 User Experience

3 Security Tokens

4 Mobile API Interaction

5 Revoking Access

6 Best Practices

7 Here’s what else to consider

Mobile Applications

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How does OAuth2 interact with mobile application APIs for secure access?

1

2

3

4

5

6

7

1 OAuth2 Basics

2 User Experience

3 Security Tokens

4 Mobile API Interaction

5 Revoking Access

6 Best Practices

7 Here’s what else to consider

Mobile Applications

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感谢您的反馈

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