[ECO-4550] Fix JWT authentication

[sacOO7]

• Added missing test as per JWT (JSON Web Token) authentication #569
• Fixed JWT (JSON Web Token) authentication #569

Summary by CodeRabbit

• Documentation

  • Enhanced the authentication section of the README to provide detailed guidance on using ably.NewREST with ABLY_KEY and implementing token authentication for both server and client-side applications.
  • Clarified the creation of secure endpoints for token generation and included practical examples for managing JWT tokens effectively.

• New Features

  • Introduced new methods for JWT generation in the Sandbox, allowing for configurable authentication parameters.

• Tests

  • Expanded test coverage for JWT authentication scenarios, including successful and erroneous handling of tokens.
  • Implemented a test for reauthorizing with a JWT token, ensuring robust connection state management.

[coderabbitai]

Walkthrough

The changes introduce comprehensive updates to the authentication mechanisms, particularly focusing on JWT (JSON Web Token) support. Enhancements include modifications to the documentation, code functions, and integration tests, ensuring secure server-side authentication, improved handling of different token types, and expanded test coverage for various authentication scenarios.

Changes

Files	Change Summary
README.md	Updated authentication documentation emphasizing secure handling of ABLY_KEY and JWT usage.
ably/auth.go	Modified requestAuthURL to handle both "text/plain" and "application/jwt" MIME types.
ably/auth_integration_test.go	Added new test cases for JWT retrieval, authentication via URL, callback usage, and error handling.
ably/realtime_conn_spec_integration_test.go	Implemented test for reauthorizing with JWT tokens, validating connection state transitions.
ablytest/sandbox.go	Introduced CREATE_JWT_URL, GetJwtAuthParams, and CreateJwt methods for JWT generation.

Assessment against linked issues

Objective	Addressed	Explanation
Support for JWT authentication (Issue #569)	✅
Implement tests for JWT handling (Issue #569)	✅
Address known limitations regarding JWT (Issue #569)	✅

Possibly related PRs

• [ECO-4330] Feature - server initiated auth #661: Addresses server-initiated reauthentication, relevant to the focus on secure token management.

Poem

In the meadow, I hop with glee,
JWTs are here, oh what a spree! 🐇✨
Secure and safe, our tokens dance,
With Ably's magic, we take a chance.
Authentication's bright, a joyful song,
In this new world, we all belong! 🌼

---

Recent review details

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Review profile: CHILL

Commits

Files that changed from the base of the PR and between 13bfc96 and ce1c6fb.

Files selected for processing (1)

• README.md (1 hunks)

Additional context used

LanguageTool

README.md

[uncategorized] ~331-~331: Possible missing preposition found.
Context: ...bly.com/docs/auth) for more information types of auth and it's server/client-side usa...

(AI_HYDRA_LEO_MISSING_TO)

---

[uncategorized] ~331-~331: Use a comma before ‘and’ if it connects two independent clauses (unless they are closely connected and short).
Context: ...auth) for more information types of auth and it's server/client-side usage. ```go r...

(COMMA_COMPOUND_SENTENCE)

Additional comments not posted (4)

README.md (4)

329-346: The code segment looks good, but consider improving the surrounding text.

The code segment provides a useful example of initializing ably.NewREST using ABLY_KEY and creating a token request endpoint using a Gin server. However, as discussed in the past review comments, it would be better to link to the relevant sections of the official Ably documentation instead of repeating the information in the README.

Consider updating the surrounding text to something like:

ably-go is typically used in a server-side environment where it is recommended to use an API key for authentication (for further details on why, see Available authentication mechanisms).

ably-go can be used to issue tokens to clients as outlined in the Ably Tokens documentation.

Tools

LanguageTool

[uncategorized] ~331-~331: Possible missing preposition found.
Context: ...bly.com/docs/auth) for more information types of auth and it's server/client-side usa...

(AI_HYDRA_LEO_MISSING_TO)

---

[uncategorized] ~331-~331: Use a comma before ‘and’ if it connects two independent clauses (unless they are closely connected and short).
Context: ...auth) for more information types of auth and it's server/client-side usage. ```go r...

(COMMA_COMPOUND_SENTENCE)

---

348-349: LGTM!

The information provided about setting the content type header when using WithAuthURL client option for JWT tokens is correct and useful.

---

350-367: LGTM!

The code segment provides a useful example of using WithAuthCallback client option to fetch a token from a server and decode it based on the response. The implementation looks correct.

---

369-377: LGTM!

The code segment provides a useful example of using WithAuthCallback client option to fetch a JWT token from a server. The implementation looks correct.

---

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[coderabbitai]

Actionable comments posted: 0

Review details

Configuration used: CodeRabbit UI
Review profile: CHILL

Commits

Files that changed from the base of the PR and between 1ca24af and d9d1f53.

Files selected for processing (1)

• ably/auth_integration_test.go (2 hunks)

Files skipped from review as they are similar to previous changes (1)

• ably/auth_integration_test.go

[coderabbitai]

Actionable comments posted: 0

Review details

Configuration used: CodeRabbit UI
Review profile: CHILL

Commits

Files that changed from the base of the PR and between d9d1f53 and b17ced2.

Files selected for processing (1)

• ably/auth_integration_test.go (2 hunks)

Files skipped from review as they are similar to previous changes (1)

• ably/auth_integration_test.go

[sacOO7]

@coderabbitai resolve

[coderabbitai]

Actions performed

Comments resolved.

[coderabbitai]

Actionable comments posted: 0

Outside diff range, codebase verification and nitpick comments (2)

README.md (2)

331-331: Consider using a hyphen for compound adjectives.

For clarity and grammatical correctness, consider changing "server-side applications" to "server-side applications" and "client side applications" to "client-side applications" to form proper compound adjectives.

Tools

LanguageTool

[uncategorized] ~331-~331: If this is a compound adjective that modifies the following noun, use a hyphen.
Context: ...cation on server-side applications. For client side applications, you should use token auth...

(EN_COMPOUND_ADJECTIVE_INTERNAL)

---

349-349: Avoid adverb repetition.

The phrase "as per official ably JWT doc" repeats the adverb "officially." Consider rephrasing to avoid redundancy and enhance readability.

Tools

LanguageTool

[style] ~349-~349: This adverb was used twice in the sentence. Consider removing one of them or replacing them with a synonym.
Context: ...igned using ABLY_KEY as per [official ably JWT doc](https://ably.com/tutorials/jwt...

(ADVERB_REPETITION_PREMIUM)

Review details

Configuration used: CodeRabbit UI
Review profile: CHILL

Commits

Files that changed from the base of the PR and between b17ced2 and a59b9d6.

Files selected for processing (1)

• README.md (2 hunks)

Additional context used

LanguageTool

README.md

[uncategorized] ~331-~331: If this is a compound adjective that modifies the following noun, use a hyphen.
Context: ...cation on server-side applications. For client side applications, you should use token auth...

(EN_COMPOUND_ADJECTIVE_INTERNAL)

---

[style] ~349-~349: This adverb was used twice in the sentence. Consider removing one of them or replacing them with a synonym.
Context: ...igned using ABLY_KEY as per [official ably JWT doc](https://ably.com/tutorials/jwt...

(ADVERB_REPETITION_PREMIUM)

Additional comments not posted (1)

README.md (1)

331-381: Enhanced Authentication Documentation Review.

The updated sections from lines 331 to 381 provide a comprehensive overview of using ABLY_KEY for server-side applications and detail the process for token authentication, including JWT handling. These changes align well with the PR's objectives to enhance JWT support and improve security documentation.

• The use of ABLY_KEY is clearly discouraged for client-side applications, which is a crucial security best practice.
• The examples provided for token generation and handling JWT tokens are practical and enhance the usability of the documentation.

Overall, these updates significantly improve the clarity and security of the authentication process in the README, ensuring that developers have a clear guide on implementing authentication securely.

Tools

LanguageTool

[uncategorized] ~331-~331: If this is a compound adjective that modifies the following noun, use a hyphen.
Context: ...cation on server-side applications. For client side applications, you should use token auth...

(EN_COMPOUND_ADJECTIVE_INTERNAL)

---

[style] ~349-~349: This adverb was used twice in the sentence. Consider removing one of them or replacing them with a synonym.
Context: ...igned using ABLY_KEY as per [official ably JWT doc](https://ably.com/tutorials/jwt...

(ADVERB_REPETITION_PREMIUM)

[coderabbitai]

Actionable comments posted: 0

Outside diff range, codebase verification and nitpick comments (2)

README.md (2)

331-331: Consider using a hyphen for compound adjectives.

For clarity and grammatical correctness, consider using a hyphen in "client-side applications" to form a compound adjective.

- For client side applications, you should use token authentication to prevent your API key from being shared.
+ For client-side applications, you should use token authentication to prevent your API key from being shared.

Tools

LanguageTool

[uncategorized] ~331-~331: If this is a compound adjective that modifies the following noun, use a hyphen.
Context: ...cation on server-side applications. For client side applications, you should use token auth...

(EN_COMPOUND_ADJECTIVE_INTERNAL)

---

349-349: Avoid adverb repetition.

The phrase "as per [official ably JWT doc]" repeats the adverb "officially" which might be redundant. Consider rephrasing for clarity.

- You can also return JWT string token signed using `ABLY_KEY` as per [official ably JWT doc](https://ably.com/tutorials/jwt-authentication).
+ You can also return JWT string token signed using `ABLY_KEY` according to the [official Ably JWT documentation](https://ably.com/tutorials/jwt-authentication).

Tools

LanguageTool

[style] ~349-~349: This adverb was used twice in the sentence. Consider removing one of them or replacing them with a synonym.
Context: ...igned using ABLY_KEY as per [official ably JWT doc](https://ably.com/tutorials/jwt...

(ADVERB_REPETITION_PREMIUM)

Review details

Configuration used: CodeRabbit UI
Review profile: CHILL

Commits

Files that changed from the base of the PR and between a59b9d6 and 13bfc96.

Files selected for processing (1)

• README.md (2 hunks)

Additional context used

LanguageTool

README.md

[uncategorized] ~331-~331: If this is a compound adjective that modifies the following noun, use a hyphen.
Context: ...cation on server-side applications. For client side applications, you should use token auth...

(EN_COMPOUND_ADJECTIVE_INTERNAL)

---

[style] ~349-~349: This adverb was used twice in the sentence. Consider removing one of them or replacing them with a synonym.
Context: ...igned using ABLY_KEY as per [official ably JWT doc](https://ably.com/tutorials/jwt...

(ADVERB_REPETITION_PREMIUM)

[amnonbc]

LGTM