| 1 | package geoip |
| 2 | |
| 3 | import ( |
| 4 | "archive/tar" |
| 5 | "bytes" |
| 6 | "compress/gzip" |
| 7 | "errors" |
| 8 | "io" |
| 9 | "testing" |
| 10 | "time" |
| 11 | ) |
| 12 | |
| 13 | func gz(t *testing.T, b []byte) []byte { |
| 14 | var buf bytes.Buffer |
| 15 | w := gzip.NewWriter(&buf) |
| 16 | w.Write(b) |
| 17 | w.Close() |
| 18 | return buf.Bytes() |
| 19 | } |
| 20 | |
| 21 | func targz(t *testing.T, members map[string][]byte, order []string) []byte { |
| 22 | var buf bytes.Buffer |
| 23 | zw := gzip.NewWriter(&buf) |
| 24 | tw := tar.NewWriter(zw) |
| 25 | for _, name := range order { |
| 26 | body := members[name] |
| 27 | tw.WriteHeader(&tar.Header{Name: name, Mode: 0o644, Size: int64(len(body)), Typeflag: tar.TypeReg}) |
| 28 | tw.Write(body) |
| 29 | } |
| 30 | tw.Close() |
| 31 | zw.Close() |
| 32 | return buf.Bytes() |
| 33 | } |
| 34 | |
| 35 | func TestCappedReader(t *testing.T) { |
| 36 | if b, err := io.ReadAll(CappedReader(bytes.NewReader(make([]byte, 100)), 100)); err != nil || len(b) != 100 { |
| 37 | t.Fatalf("exactly max = %d %v", len(b), err) |
| 38 | } |
| 39 | if _, err := io.ReadAll(CappedReader(bytes.NewReader(make([]byte, 101)), 100)); !errors.Is(err, ErrTooLarge) { |
| 40 | t.Fatalf("max+1 = %v", err) |
| 41 | } |
| 42 | } |
| 43 | |
| 44 | func TestGunzipStopsAtTheCap(t *testing.T) { |
| 45 | r, err := GunzipReader(bytes.NewReader(gz(t, make([]byte, 10<<20))), 1<<20) |
| 46 | if err != nil { |
| 47 | t.Fatal(err) |
| 48 | } |
| 49 | n, err := io.Copy(io.Discard, r) |
| 50 | if !errors.Is(err, ErrTooLarge) || n > 1<<20+1 { |
| 51 | t.Fatalf("bomb read %d bytes, err %v", n, err) |
| 52 | } |
| 53 | } |
| 54 | |
| 55 | func TestTarGzMMDBCountsSkippedMembers(t *testing.T) { |
| 56 | arc := targz(t, map[string][]byte{"GeoLite2-City_20261006/README.txt": make([]byte, 2<<20), "GeoLite2-City_20261006/GeoLite2-City.mmdb": []byte("the database")}, |
| 57 | []string{"GeoLite2-City_20261006/README.txt", "GeoLite2-City_20261006/GeoLite2-City.mmdb"}) |
| 58 | r, err := TarGzMMDB(bytes.NewReader(arc), 4<<20) |
| 59 | if err != nil { |
| 60 | t.Fatal(err) |
| 61 | } |
| 62 | if b, _ := io.ReadAll(r); string(b) != "the database" { |
| 63 | t.Fatalf("member = %q", b) |
| 64 | } |
| 65 | if _, err := TarGzMMDB(bytes.NewReader(arc), 1<<20); !errors.Is(err, ErrTooLarge) { |
| 66 | t.Fatalf("padding past the cap = %v, want ErrTooLarge", err) |
| 67 | } |
| 68 | none := targz(t, map[string][]byte{"x.txt": []byte("x")}, []string{"x.txt"}) |
| 69 | if _, err := TarGzMMDB(bytes.NewReader(none), 1<<20); err == nil { |
| 70 | t.Fatal("an archive with no .mmdb was accepted") |
| 71 | } |
| 72 | } |
| 73 | |
| 74 | func TestFeedSpecsAndURLs(t *testing.T) { |
| 75 | s, ok := ParseFeed("dbip-city-lite") |
| 76 | if !ok || s.Type != "DBIP-City-Lite" || s.Provider != "dbip" { |
| 77 | t.Fatalf("spec = %+v %v", s, ok) |
| 78 | } |
| 79 | if got := DBIPURL("", s, time.Date(2026, 10, 6, 0, 0, 0, 0, time.UTC)); got != "https://download.db-ip.com/free/dbip-city-lite-2026-10.mmdb.gz" { |
| 80 | t.Fatalf("url = %s", got) |
| 81 | } |
| 82 | c, _ := ParseFeed("dbip-country-lite") |
| 83 | if got := DBIPURL("", c, time.Date(2026, 1, 1, 0, 0, 0, 0, time.UTC)); got != "https://download.db-ip.com/free/dbip-country-lite-2026-01.mmdb.gz" { |
| 84 | t.Fatalf("country url = %s", got) |
| 85 | } |
| 86 | g, _ := ParseFeed("geolite2-city") |
| 87 | if got := MaxMindURL("", g, "tar.gz.sha256"); got != "https://download.maxmind.com/geoip/databases/GeoLite2-City/download?suffix=tar.gz.sha256" { |
| 88 | t.Fatalf("maxmind url = %s", got) |
| 89 | } |
| 90 | if _, ok := ParseFeed("ipinfo-lite"); ok { |
| 91 | t.Fatal("unknown feed accepted") |
| 92 | } |
| 93 | } |
| 94 | |
| 95 | func TestFeedStatusFailing(t *testing.T) { |
| 96 | s := FeedStatus{V: 1, ConsecutiveFailures: 6} |
| 97 | if s.Failing() { |
| 98 | t.Fatal("6 is not failing") |
| 99 | } |
| 100 | s.ConsecutiveFailures = 7 |
| 101 | if !s.Failing() { |
| 102 | t.Fatal("7 is failing") |
| 103 | } |
| 104 | if !(FeedStatus{ConsecutiveNotFound: 7}).Failing() { |
| 105 | t.Fatal("7 not-found is failing") |
| 106 | } |
| 107 | raw := []byte(`{"v":1,"feed":"dbip-city-lite","box":"b","consecutive_failures":2}`) |
| 108 | if got, err := ParseFeedStatus(raw); err != nil || got.Box != "b" { |
| 109 | t.Fatalf("parse = %+v %v", got, err) |
| 110 | } |
| 111 | } |
| 112 | |
| 113 | // The paid MaxMind upgrade (Paul, 2026-10-07): same API, no D1 expiry. |
| 114 | func TestPaidMaxMindFeeds(t *testing.T) { |
| 115 | for name, typ := range map[string]string{"geoip2-city": "GeoIP2-City", "geoip2-country": "GeoIP2-Country"} { |
| 116 | s, ok := ParseFeed(name) |
| 117 | if !ok || s.Type != typ || s.Provider != "maxmind" { |
| 118 | t.Fatalf("%s = %+v %v", name, s, ok) |
| 119 | } |
| 120 | if got := MaxMindURL("", s, "tar.gz"); got != "https://download.maxmind.com/geoip/databases/"+typ+"/download?suffix=tar.gz" { |
| 121 | t.Fatalf("%s url = %s", name, got) |
| 122 | } |
| 123 | if Expired(typ, time.Unix(0, 0), time.Now()) { |
| 124 | t.Fatalf("%s must never expire under D1", typ) |
| 125 | } |
| 126 | if _, ok := AttributionFor(typ); ok { |
| 127 | t.Fatalf("%s has no platform-known attribution", typ) |
| 128 | } |
| 129 | } |
| 130 | } |
| 131 | |
amadan