test all dns nip-05 and fix bugs

dns/nip05.go

@@ -5,6 +5,7 @@ package dns
 import (
 	"encoding/json"
 	"fmt"
+	"io"
 	"net/http"
 	"regexp"
 	"strings"
@@ -118,12 +119,15 @@ func Fetch(c context.T, account string) (resp *WellKnownResponse,
 	}
 	defer func() { _ = res.Body.Close() }()
 	resp = NewWellKnownResponse()
-	b := make([]byte, 65535)
-	var n int
-	if n, err = res.Body.Read(b); chk.E(err) {
+
+	// Read the entire response body
+	var b []byte
+	if b, err = io.ReadAll(res.Body); chk.E(err) {
+		err = errorf.E("failed to read response body: %w", err)
 		return
 	}
-	b = b[:n]
+
+	// Unmarshal the JSON response
 	if err = json.Unmarshal(b, resp); chk.E(err) {
 		err = errorf.E("failed to decode json response: %w", err)
 	}

dns/nip05_additional_test.go

@@ -0,0 +1,207 @@
+package dns
+
+import (
+	"bytes"
+	"testing"
+)
+
+func TestIsValidIdentifier(t *testing.T) {
+	tests := []struct {
+		name     string
+		input    string
+		expected bool
+	}{
+		{"Valid with name", "user@example.com", true},
+		{"Valid domain only", "example.com", true},
+		{"Valid with subdomain", "user@sub.example.com", true},
+		{"Valid with plus", "user+tag@example.com", true},
+		{"Valid with underscore", "user_name@example.com", true},
+		{"Invalid no domain", "user@", false},
+		{"Invalid special chars", "user!@example.com", false},
+		{"Invalid format", "not-an-email", false},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			result := IsValidIdentifier(tt.input)
+			if result != tt.expected {
+				t.Errorf("IsValidIdentifier(%q) = %v, want %v", tt.input, result, tt.expected)
+			}
+		})
+	}
+}
+
+func TestNormalizeIdentifier(t *testing.T) {
+	tests := []struct {
+		name     string
+		input    string
+		expected string
+	}{
+		{"Already normalized", "example.com", "example.com"},
+		{"With underscore prefix", "_@example.com", "example.com"},
+		{"With name", "user@example.com", "user@example.com"},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			result := NormalizeIdentifier(tt.input)
+			if result != tt.expected {
+				t.Errorf("NormalizeIdentifier(%q) = %q, want %q", tt.input, result, tt.expected)
+			}
+		})
+	}
+}
+
+func TestStringSliceToByteSlice(t *testing.T) {
+	tests := []struct {
+		name     string
+		input    []string
+		expected [][]byte
+	}{
+		{
+			"Empty slice",
+			[]string{},
+			[][]byte{},
+		},
+		{
+			"Single item",
+			[]string{"test"},
+			[][]byte{[]byte("test")},
+		},
+		{
+			"Multiple items",
+			[]string{"test1", "test2", "test3"},
+			[][]byte{[]byte("test1"), []byte("test2"), []byte("test3")},
+		},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			result := StringSliceToByteSlice(tt.input)
+
+			if len(result) != len(tt.expected) {
+				t.Fatalf("StringSliceToByteSlice(%v) returned slice of length %d, want %d", 
+					tt.input, len(result), len(tt.expected))
+			}
+
+			for i, v := range result {
+				if !bytes.Equal(v, tt.expected[i]) {
+					t.Errorf("StringSliceToByteSlice(%v)[%d] = %v, want %v", 
+						tt.input, i, v, tt.expected[i])
+				}
+			}
+		})
+	}
+}
+
+func TestParseIdentifierEdgeCases(t *testing.T) {
+	tests := []struct {
+		name          string
+		input         string
+		expectedName  string
+		expectedDomain string
+		expectError   bool
+	}{
+		{"Empty string", "", "", "", true},
+		{"Just @", "@", "", "", true},
+		{"Multiple @", "user@domain@example.com", "", "", true},
+		{"Invalid domain", "user@invalid", "", "", true},
+		{"Valid with hyphen", "user-name@example.com", "user-name", "example.com", false},
+		{"Valid with numbers", "user123@example123.com", "user123", "example123.com", false},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			name, domain, err := ParseIdentifier(tt.input)
+
+			if tt.expectError && err == nil {
+				t.Errorf("ParseIdentifier(%q) expected error, got nil", tt.input)
+				return
+			}
+
+			if !tt.expectError && err != nil {
+				t.Errorf("ParseIdentifier(%q) unexpected error: %v", tt.input, err)
+				return
+			}
+
+			if !tt.expectError {
+				if name != tt.expectedName {
+					t.Errorf("ParseIdentifier(%q) name = %q, want %q", tt.input, name, tt.expectedName)
+				}
+
+				if domain != tt.expectedDomain {
+					t.Errorf("ParseIdentifier(%q) domain = %q, want %q", tt.input, domain, tt.expectedDomain)
+				}
+			}
+		})
+	}
+}
+
+func TestNewWellKnownResponse(t *testing.T) {
+	resp := NewWellKnownResponse()
+
+	if resp == nil {
+		t.Fatal("NewWellKnownResponse() returned nil")
+	}
+
+	if resp.Names == nil {
+		t.Error("NewWellKnownResponse() Names map is nil")
+	}
+
+	if resp.Relays == nil {
+		t.Error("NewWellKnownResponse() Relays map is nil")
+	}
+
+	if resp.NIP46 == nil {
+		t.Error("NewWellKnownResponse() NIP46 map is nil")
+	}
+
+	// Test that we can add entries to the maps
+	resp.Names["test"] = "pubkey"
+	resp.Relays["pubkey"] = []string{"relay1", "relay2"}
+	resp.NIP46["pubkey"] = []string{"nip46url"}
+
+	if resp.Names["test"] != "pubkey" {
+		t.Error("Failed to add entry to Names map")
+	}
+
+	if len(resp.Relays["pubkey"]) != 2 {
+		t.Error("Failed to add entry to Relays map")
+	}
+
+	if len(resp.NIP46["pubkey"]) != 1 {
+		t.Error("Failed to add entry to NIP46 map")
+	}
+}
+
+func TestRegexPattern(t *testing.T) {
+	// Test the Nip05Regex pattern directly
+	tests := []struct {
+		name     string
+		input    string
+		expected bool
+	}{
+		{"Valid email format", "user@example.com", true},
+		{"Valid domain only", "example.com", true},
+		{"Valid subdomain", "user@sub.example.com", true},
+		{"Valid with underscore", "user_name@example.com", true},
+		{"Valid with hyphen", "user-name@example.com", true},
+		{"Valid with plus", "user+tag@example.com", true},
+		{"Valid with numbers", "user123@example123.com", true},
+		{"Invalid no TLD", "user@localhost", false},
+		{"Valid IP address", "user@127.0.0.1", true},
+		{"Invalid with port", "user@example.com:8080", false},
+		{"Invalid special chars", "user!@example.com", false},
+		{"Invalid multiple @", "user@domain@example.com", false},
+		{"Empty string", "", false},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			result := Nip05Regex.MatchString(tt.input)
+			if result != tt.expected {
+				t.Errorf("Nip05Regex.MatchString(%q) = %v, want %v", tt.input, result, tt.expected)
+			}
+		})
+	}
+}

keys/keys.go

@@ -59,20 +59,34 @@ func SecretBytesToPubKeyHex(skb []byte) (pk string, err error) {
 // IsValid32ByteHex checks that a hex string is a valid 32 bytes lower case hex encoded value as
 // per nostr NIP-01 spec.
 func IsValid32ByteHex[V []byte | string](pk V) bool {
-	if bytes.Equal(bytes.ToLower([]byte(pk)), []byte(pk)) {
+	pkBytes := []byte(pk)
+
+	// Check if the input is lowercase
+	if !bytes.Equal(bytes.ToLower(pkBytes), pkBytes) {
 		return false
 	}
-	var err error
-	dec := make([]byte, 32)
-	if _, err = hex.DecBytes(dec, []byte(pk)); chk.E(err) {
+
+	// Check if the input length is exactly 64 characters (32 bytes * 2)
+	if len(pkBytes) != 64 {
+		return false
 	}
-	return len(dec) == 32
+
+	// Try to decode the hex string
+	var err error
+	if _, err = hex.Dec(string(pkBytes)); err != nil {
+		return false
+	}
+
+	return true
 }
 
 // IsValidPublicKey checks that a hex encoded public key is a valid BIP-340 public key.
 func IsValidPublicKey[V []byte | string](pk V) bool {
-	v, _ := hex.Dec(string(pk))
-	_, err := schnorr.ParsePubKey(v)
+	v, err := hex.Dec(string(pk))
+	if err != nil {
+		return false
+	}
+	_, err = schnorr.ParsePubKey(v)
 	return err == nil
 }
 

keys/keys_test.go

@@ -0,0 +1,197 @@
+package keys
+
+import (
+	"testing"
+)
+
+func TestIsValid32ByteHex(t *testing.T) {
+	tests := []struct {
+		name     string
+		input    string
+		expected bool
+	}{
+		{
+			"Valid lowercase hex 32 bytes",
+			"3bf0c63fcb93463407af97a5e5ee64fa883d107ef9e558472c4eb9aaaefa459d",
+			true,
+		},
+		{
+			"Valid lowercase hex 32 bytes with different value",
+			"f9dd6a762506260b38a2d3e5b464213c2e47fa3877429fe9ee60e071a31a07d7",
+			true,
+		},
+		{
+			"Invalid uppercase hex",
+			"3BF0C63FCB93463407AF97A5E5EE64FA883D107EF9E558472C4EB9AAAEFA459D",
+			false,
+		},
+		{
+			"Invalid mixed case hex",
+			"3bf0c63fcb93463407af97a5e5ee64fa883d107ef9e558472c4eb9aaaefa459D",
+			false,
+		},
+		{
+			"Invalid too short",
+			"3bf0c63fcb93463407af97a5e5ee64fa883d107ef9e558472c4eb9aaaefa45",
+			false,
+		},
+		{
+			"Invalid too long",
+			"3bf0c63fcb93463407af97a5e5ee64fa883d107ef9e558472c4eb9aaaefa459d00",
+			false,
+		},
+		{
+			"Invalid non-hex characters",
+			"3bf0c63fcb93463407af97a5e5ee64fa883d107ef9e558472c4eb9aaaefa459g",
+			false,
+		},
+		{
+			"Empty string",
+			"",
+			false,
+		},
+		{
+			"Invalid special characters",
+			"3bf0c63fcb93463407af97a5e5ee64fa883d107ef9e558472c4eb9aaaefa45!@",
+			false,
+		},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			result := IsValid32ByteHex(tt.input)
+			if result != tt.expected {
+				t.Errorf("IsValid32ByteHex(%q) = %v, want %v", tt.input, result, tt.expected)
+			}
+		})
+	}
+}
+
+func TestIsValid32ByteHexWithBytes(t *testing.T) {
+	tests := []struct {
+		name     string
+		input    []byte
+		expected bool
+	}{
+		{
+			"Valid lowercase hex bytes",
+			[]byte("3bf0c63fcb93463407af97a5e5ee64fa883d107ef9e558472c4eb9aaaefa459d"),
+			true,
+		},
+		{
+			"Invalid uppercase hex bytes",
+			[]byte("3BF0C63FCB93463407AF97A5E5EE64FA883D107EF9E558472C4EB9AAAEFA459D"),
+			false,
+		},
+		{
+			"Empty bytes",
+			[]byte(""),
+			false,
+		},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			result := IsValid32ByteHex(tt.input)
+			if result != tt.expected {
+				t.Errorf("IsValid32ByteHex(%q) = %v, want %v", string(tt.input), result, tt.expected)
+			}
+		})
+	}
+}
+
+func TestIsValidPublicKey(t *testing.T) {
+	tests := []struct {
+		name     string
+		input    string
+		expected bool
+	}{
+		{
+			"Valid public key",
+			"3bf0c63fcb93463407af97a5e5ee64fa883d107ef9e558472c4eb9aaaefa459d",
+			true,
+		},
+		{
+			"Another valid public key",
+			"f9dd6a762506260b38a2d3e5b464213c2e47fa3877429fe9ee60e071a31a07d7",
+			true,
+		},
+		{
+			"Invalid too short",
+			"3bf0c63fcb93463407af97a5e5ee64fa883d107ef9e558472c4eb9aaaefa45",
+			false,
+		},
+		{
+			"Invalid too long",
+			"3bf0c63fcb93463407af97a5e5ee64fa883d107ef9e558472c4eb9aaaefa459d00",
+			false,
+		},
+		{
+			"Invalid non-hex",
+			"not-a-hex-string",
+			false,
+		},
+		{
+			"Empty string",
+			"",
+			false,
+		},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			result := IsValidPublicKey(tt.input)
+			if result != tt.expected {
+				t.Errorf("IsValidPublicKey(%q) = %v, want %v", tt.input, result, tt.expected)
+			}
+		})
+	}
+}
+
+func TestHexPubkeyToBytes(t *testing.T) {
+	tests := []struct {
+		name        string
+		input       string
+		expectError bool
+		expectedLen int
+	}{
+		{
+			"Valid hex string",
+			"3bf0c63fcb93463407af97a5e5ee64fa883d107ef9e558472c4eb9aaaefa459d",
+			false,
+			32,
+		},
+		{
+			"Invalid hex string",
+			"not-hex",
+			true,
+			0,
+		},
+		{
+			"Empty string",
+			"",
+			true,
+			0,
+		},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			result, err := HexPubkeyToBytes(tt.input)
+
+			if tt.expectError && err == nil {
+				t.Errorf("HexPubkeyToBytes(%q) expected error, got nil", tt.input)
+				return
+			}
+
+			if !tt.expectError && err != nil {
+				t.Errorf("HexPubkeyToBytes(%q) unexpected error: %v", tt.input, err)
+				return
+			}
+
+			if !tt.expectError && len(result) != tt.expectedLen {
+				t.Errorf("HexPubkeyToBytes(%q) returned %d bytes, want %d", tt.input, len(result), tt.expectedLen)
+			}
+		})
+	}
+}