| 1 | package geoip |
| 2 | |
| 3 | import ( |
| 4 | "net/http" |
| 5 | "testing" |
| 6 | |
| 7 | "github.com/carlosframework/platform/internal/geo" |
| 8 | ) |
| 9 | |
| 10 | func TestFromSnapshotStates(t *testing.T) { |
| 11 | if a := FromSnapshot(geo.Snapshot{}); a.State != StateOff { |
| 12 | t.Fatalf("not loaded = %+v, want off", a) |
| 13 | } |
| 14 | if a := FromSnapshot(geo.Snapshot{Loaded: true, Source: "DBIP-City-Lite"}); a.State != StateMiss || a.Source != "DBIP-City-Lite" { |
| 15 | t.Fatalf("loaded miss = %+v", a) |
| 16 | } |
| 17 | hit := FromSnapshot(geo.Snapshot{Loaded: true, Found: true, Source: "GeoLite2-City", |
| 18 | Result: geo.Result{Country: "GB", Subdivision: "GB-ENG", Point: geo.Point{Lat: 51.5074, Lon: -0.1278}, HasPoint: true}}) |
| 19 | if hit.State != StateHit || hit.Lat != 51.51 || hit.Lon != -0.13 { |
| 20 | t.Fatalf("hit = %+v (coordinates must be rounded to 2 places)", hit) |
| 21 | } |
| 22 | } |
| 23 | |
| 24 | func TestWriteAppHeaders(t *testing.T) { |
| 25 | h := http.Header{} |
| 26 | h.Set(HeaderCountry, "XX") // stale value must go |
| 27 | Answer{State: StateHit, Country: "IE", Source: "DBIP-City-Lite", Lat: 53.34, Lon: -6.27, HasPoint: true}.WriteApp(h) |
| 28 | if h.Get(HeaderCountry) != "IE" || h.Get(HeaderLat) != "53.34" || h.Get(HeaderLon) != "-6.27" || |
| 29 | h.Get(HeaderSource) != "DBIP-City-Lite" || h.Get(HeaderSubdivision) != "" || h.Get(HeaderHop) != "" { |
| 30 | t.Fatalf("headers = %v", h) |
| 31 | } |
| 32 | h2 := http.Header{} |
| 33 | h2.Set(HeaderSource, "forged") |
| 34 | Answer{State: StateMiss, Source: "DBIP-City-Lite"}.WriteApp(h2) |
| 35 | if len(h2) != 0 { |
| 36 | t.Fatalf("a miss sends no app headers, not even Source: %v", h2) |
| 37 | } |
| 38 | } |
| 39 | |
| 40 | func TestHopValueRoundTrip(t *testing.T) { |
| 41 | for _, a := range []Answer{ |
| 42 | {State: StateHit, Country: "GB", Subdivision: "GB-ENG", Source: "GeoLite2-City", Lat: 51.51, Lon: -0.09, HasPoint: true}, |
| 43 | {State: StateHit, Source: "GeoLite2-City", Lat: 10, Lon: 20, HasPoint: true}, // coordinate-only (codex R3-3) |
| 44 | {State: StateMiss, Source: "DBIP-City-Lite"}, |
| 45 | Off(), |
| 46 | } { |
| 47 | h := http.Header{} |
| 48 | a.WriteApp(h) |
| 49 | h.Set(HeaderHop, a.HopValue()) |
| 50 | got := Capture(h).Adopt() |
| 51 | if got != a { |
| 52 | t.Errorf("round trip %+v -> %+v", a, got) |
| 53 | } |
| 54 | if len(h) != 0 { |
| 55 | t.Errorf("Capture must strip every geo header, left %v", h) |
| 56 | } |
| 57 | } |
| 58 | } |
| 59 | |
| 60 | func TestAdoptRefusesWhatItCannotTrust(t *testing.T) { |
| 61 | cases := map[string]http.Header{ |
| 62 | "no hop value": {HeaderCountry: {"GB"}, HeaderSource: {"x"}}, |
| 63 | "malformed hop value": {HeaderHop: {"maybe"}}, |
| 64 | "hit with nothing": {HeaderHop: {"hit;src=x"}}, |
| 65 | "hit with bad country": {HeaderHop: {"hit;src=x"}, HeaderCountry: {"gb"}}, |
| 66 | "bad source": {HeaderHop: {"hit;src=a b"}, HeaderCountry: {"GB"}}, |
| 67 | } |
| 68 | for name, h := range cases { |
| 69 | if got := Capture(h).Adopt(); got.State != StateOff { |
| 70 | t.Errorf("%s: adopted %+v, want off", name, got) |
| 71 | } |
| 72 | } |
| 73 | // Field-level: an invalid subdivision or half a coordinate pair is |
| 74 | // dropped on its own, the rest survives. |
| 75 | h := http.Header{HeaderHop: {"hit;src=GeoLite2-City"}, HeaderCountry: {"GB"}, |
| 76 | HeaderSubdivision: {"FR-IDF"}, HeaderLat: {"91"}, HeaderLon: {"0"}} |
| 77 | got := Capture(h).Adopt() |
| 78 | if got.State != StateHit || got.Country != "GB" || got.Subdivision != "" || got.HasPoint { |
| 79 | t.Fatalf("partial = %+v", got) |
| 80 | } |
| 81 | } |
| 82 | |
| 83 | // Plan review R1-1: the whole reserved namespace goes, not just today's names. |
| 84 | func TestStripAllRemovesTheWholeNamespace(t *testing.T) { |
| 85 | h := http.Header{} |
| 86 | h.Set("X-Carlos-Geo-City", "Atlantis") |
| 87 | h.Set("X-Carlos-Geo-Country", "KP") |
| 88 | h["x-carlos-geo-asn"] = []string{"1"} // non-canonical key, as a hand-built map might hold |
| 89 | h.Set(HeaderHop, "hit;src=x") |
| 90 | h.Set("X-Carlos-Version", "keep me") |
| 91 | h.Set("X-Geo-Country", "keep me too") |
| 92 | StripAll(h) |
| 93 | if len(h) != 2 || h.Get("X-Carlos-Version") == "" || h.Get("X-Geo-Country") == "" { |
| 94 | t.Fatalf("after strip = %v", h) |
| 95 | } |
| 96 | h2 := http.Header{} |
| 97 | h2.Set("X-Carlos-Geo-City", "Atlantis") |
| 98 | Capture(h2) |
| 99 | if len(h2) != 0 { |
| 100 | t.Fatalf("Capture must strip the namespace too: %v", h2) |
| 101 | } |
| 102 | } |
| 103 | |
| 104 | // Code review R12-1: underscore spellings are the same header to CGI/WSGI. |
| 105 | func TestStripAllCatchesUnderscoreSpellings(t *testing.T) { |
| 106 | h := http.Header{} |
| 107 | for _, k := range []string{"X_Carlos_Geo_Country", "X_CARLOS_GEO_SOURCE", "X-Carlos_Geo-Lat", "X_Carlos_Hop_Geo", "x_carlos_hop_geo"} { |
| 108 | h[k] = []string{"forged"} |
| 109 | } |
| 110 | h.Set("X-Carlos-Version", "keep") |
| 111 | h["X_Forwarded_For"] = []string{"keep"} |
| 112 | StripAll(h) |
| 113 | if len(h) != 2 { |
| 114 | t.Fatalf("after strip = %v", h) |
| 115 | } |
| 116 | } |
| 117 | |
amadan