(t *testing.T)
| 245 | } |
| 246 | |
| 247 | func TestRemoteAddr(t *testing.T) { |
| 248 | const thePort = 4321 |
| 249 | |
| 250 | var ( |
| 251 | theIP = netip.AddrFrom4([4]byte{1, 2, 3, 4}) |
| 252 | anotherIP = netip.AddrFrom4([4]byte{1, 2, 3, 5}) |
| 253 | thirdIP = netip.AddrFrom4([4]byte{1, 2, 3, 6}) |
| 254 | |
| 255 | theIPStr = theIP.String() |
| 256 | anotherIPStr = anotherIP.String() |
| 257 | thirdIPStr = thirdIP.String() |
| 258 | ) |
| 259 | |
| 260 | rAddr := netip.AddrPortFrom(theIP, thePort) |
| 261 | |
| 262 | testCases := []struct { |
| 263 | name string |
| 264 | remoteAddr string |
| 265 | hdrs map[string]string |
| 266 | wantErr string |
| 267 | wantIP netip.AddrPort |
| 268 | wantProxy netip.AddrPort |
| 269 | }{{ |
| 270 | name: "no_proxy", |
| 271 | remoteAddr: rAddr.String(), |
| 272 | hdrs: nil, |
| 273 | wantErr: "", |
| 274 | wantIP: netip.AddrPortFrom(theIP, thePort), |
| 275 | wantProxy: netip.AddrPort{}, |
| 276 | }, { |
| 277 | name: "proxied_with_cloudflare", |
| 278 | remoteAddr: rAddr.String(), |
| 279 | hdrs: map[string]string{ |
| 280 | "CF-Connecting-IP": anotherIPStr, |
| 281 | }, |
| 282 | wantErr: "", |
| 283 | wantIP: netip.AddrPortFrom(anotherIP, 0), |
| 284 | wantProxy: netip.AddrPortFrom(theIP, thePort), |
| 285 | }, { |
| 286 | name: "proxied_once", |
| 287 | remoteAddr: rAddr.String(), |
| 288 | hdrs: map[string]string{ |
| 289 | "X-Forwarded-For": anotherIPStr, |
| 290 | }, |
| 291 | wantErr: "", |
| 292 | wantIP: netip.AddrPortFrom(anotherIP, 0), |
| 293 | wantProxy: netip.AddrPortFrom(theIP, thePort), |
| 294 | }, { |
| 295 | name: "proxied_multiple", |
| 296 | remoteAddr: rAddr.String(), |
| 297 | hdrs: map[string]string{ |
| 298 | "X-Forwarded-For": strings.Join([]string{anotherIPStr, thirdIPStr}, ","), |
| 299 | }, |
| 300 | wantErr: "", |
| 301 | wantIP: netip.AddrPortFrom(anotherIP, 0), |
| 302 | wantProxy: netip.AddrPortFrom(theIP, thePort), |
| 303 | }, { |
| 304 | name: "no_port", |
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