Text to speach authentication fixes

[christopherholland-workday]

FLOWISE-288 and FLOWISE-289.

[gemini-code-assist]

Summary of Changes

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This pull request significantly enhances the security of the text-to-speech functionality by introducing robust authentication and authorization mechanisms. It ensures that requests providing credentials in the body are properly authenticated and that the specified credentials are valid and belong to the user's active workspace, thereby preventing unauthorized access and misuse of resources.

Highlights

• Authentication Enforcement: Implemented authentication checks for text-to-speech requests when credentials are provided in the request body, ensuring that only authenticated users can utilize this feature with their own credentials.
• Credential Validation: Added validation to ensure that any credentialId supplied in the request body belongs to the authenticated user's active workspace, preventing unauthorized use of credentials.
• CORS Header Removal: Removed Access-Control-Allow-Origin and Access-Control-Allow-Headers from text-to-speech responses, likely to align with the new authentication requirements and enhance security.

Changelog

• packages/server/src/controllers/text-to-speech/index.ts
  • Imported the credentialsService to facilitate credential validation.
  • Added logic to verify user authentication and the presence of a credentialId when credentials are provided in the request body.
  • Implemented a check to confirm that the credentialId belongs to the authenticated user's active workspace.
  • Removed Access-Control-Allow-Origin and Access-Control-Allow-Headers from the response headers for text-to-speech streams.

Activity

• No human activity has been recorded on this pull request yet.

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[gemini-code-assist]

Code Review

This pull request introduces important security fixes for the text-to-speech endpoint, adding authentication and authorization checks for credentialId usage and centralizing CORS policy management by removing local headers. These changes effectively mitigate potential Insecure Direct Object Reference (IDOR) vulnerabilities. I've provided a suggestion for improving error handling for missing parameters, modified to align with the repository's rule on combining preliminary checks, and noted a typo in the pull request title: 'speach' should be 'speech'.

[yau-wd]

@0xi4o is the best person to review this PR.