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Split monolithic mirror.go into focused single-responsibility modules #11

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Split monolithic mirror.go into focused single-responsibility modules #11

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Copilot AI commented Oct 29, 2025 •
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Refactored 697-line mirror.go into 5 focused modules for improved maintainability and clarity.

File Structure

  • handler.go (205 lines) - MirrorHandler struct, ServeHTTP, client configuration
  • cache.go (184 lines) - Cache operations (cacheResponse, cacheFile, responseCache)
  • cidn.go (146 lines) - CIDN blob management and Kubernetes integration
  • response.go (170 lines) - Response handlers (redirect, direct serve, error handling)
  • validation.go (33 lines) - Domain validation

Changes

  • Preserved all existing functionality and APIs
  • Fixed header ordering bug (headers must be set before WriteHeader())
  • Fixed variable reference in BaseDomain suffix stripping
Original prompt

This section details on the original issue you should resolve

<issue_title>Split and organize the logic</issue_title>
<issue_description></issue_description>

Comments on the Issue (you are @copilot in this section)

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Copilot AI and others added 2 commits October 29, 2025 06:37
@wzshiming
Split and organize logic into focused files
69ef4b5 
- Split mirror.go into 5 focused files:
  - handler.go: Core HTTP handler and ServeHTTP logic
  - cache.go: Caching-related functionality
  - cidn.go: CIDN-specific integration logic
  - response.go: Response handling methods
  - validation.go: Domain validation and request filtering
- All functionality preserved, builds successfully

Co-authored-by: wzshiming <6565744+wzshiming@users.noreply.github.com>
@wzshiming
Fix code review issues
cd19e3a 
- Fix host variable reference in BaseDomain handling
- Fix HTTP header ordering (must set headers before WriteHeader)
- Fix grammar in error message (canceled vs cancel)

Co-authored-by: wzshiming <6565744+wzshiming@users.noreply.github.com>
Copilot AI changed the title [WIP] Split and organize the logic in codebase Split monolithic mirror.go into focused single-responsibility modules Oct 29, 2025
Copilot AI requested a review from wzshiming October 29, 2025 06:41
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Split and organize the logic

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@wzshiming