fix : add SSRF validation to repository analysis endpoint

[tmdeveloper007]

Fixes #2120

Summary

The POST /analyze endpoint in app/analyze/route.ts accepted any string as a repository URL and forwarded it to the analysis pipeline without performing SSRF-safe URL validation. A user could submit URLs pointing to internal network resources (e.g. AWS metadata endpoint 169.254.169.254, private IPs like 192.168.1.1) which would be processed by the worker.

Changes

• app/analyze/route.ts: Added validateSafeUrl() SSRF check after normalizeKnownRepoHttpUrl() validates the URL format. If the URL resolves to a private, loopback, or link-local IP, a 400 response is returned with the message: "Please enter a valid public GitHub, GitLab, or Bitbucket repository URL. Internal and private network addresses are not allowed."

Security Impact

Prevents SSRF attacks where a user submits an internal network URL through the repository analysis form. The same URL format validation already existed (via normalizeKnownRepoHttpUrl), but there was no check that the resolved IP was publicly reachable.

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Configuration used: Organization UI

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Run ID: 9503a40f-9637-4ec6-983d-529dddcbbd11

📥 Commits

Reviewing files that changed from the base of the PR and between 9aa9b51 and c8fa420.

📒 Files selected for processing (1)

• app/analyze/route.ts

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[github-actions]

🎉 Thanks for your contribution, @tmdeveloper007!

Your PR has passed our automated GSSoC quality checks. Here's a quick summary:

Check	Status
PR description	✅ Provided
PR title	✅ Meaningful
Linked issue	✅ Found
Change size	✅ Looks good (16 lines across 1 file(s))

A maintainer will review your PR soon. Please be patient and available for feedback. 💪

GSSoC'26 automation · Maintainer: @nisshchayarathi