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Author SHA1 Message Date
wjqserver
06a6d42de1 feat: add headers operations for reverse proxy
- Add HeaderOps struct for Add/Set/Delete header operations
- Add RespHeaderOps for response header manipulation with deferred support
- Support wildcard patterns for header deletion (prefix-*, *suffix, *substring*)
- Apply request headers before forwarding to upstream
- Apply response headers before sending to client
- Add comprehensive test coverage for header operations

Usage example:
  engine.GET("/api/*path", ReverseProxy(ReverseProxyConfig{
    Target: target,
    RequestHeaders: &HeaderOps{
      Add: map[string][]string{"X-Custom": {"value"}},
      Delete: []string{"X-Sensitive-*"},
    },
    ResponseHeaders: &RespHeaderOps{
      HeaderOps: &HeaderOps{
        Set: map[string][]string{"X-Frame-Options": {"DENY"}},
      },
    },
  }))
2026-04-21 16:34:25 +08:00