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StebalienStebalien
authored
Merge pull request #101 from RTradeLtd/base33
I2P Base32 and Base32 for Encrypted Leasesets multiaddr, tiny garlic64 fix
2 parents ce21123 + 84811f9 commit 0460aad

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3 files changed

+76
-9
lines changed

3 files changed

+76
-9
lines changed

‎multiaddr_test.go

Lines changed: 22 additions & 3 deletions
Original file line numberDiff line numberDiff line change
@@ -54,6 +54,11 @@ func TestConstructFails(t *testing.T) {
5454
"/garlic64/jT~IyXaoauTni6N4517EG8mrFUKpy0IlgZh-EY9csMAk82Odatmzr~YTZy8Hv7u~wvkg75EFNOyqb~nAPg-khyp2TS~ObUz8WlqYAM2VlEzJ7wJB91P-cUlKF18zSzVoJFmsrcQHZCirSbWoOknS6iNmsGRh5KVZsBEfp1Dg3gwTipTRIx7Vl5Vy~1OSKQVjYiGZS9q8RL0MF~7xFiKxZDLbPxk0AK9TzGGqm~wMTI2HS0Gm4Ycy8LYPVmLvGonIBYndg2bJC7WLuF6tVjVquiokSVDKFwq70BCUU5AU-EvdOD5KEOAM7mPfw-gJUG4tm1TtvcobrObqoRnmhXPTBTN5H7qDD12AvlwFGnfAlBXjuP4xOUAISL5SRLiulrsMSiT4GcugSI80mF6sdB0zWRgL1yyvoVWeTBn1TqjO27alr95DGTluuSqrNAxgpQzCKEWAyzrQkBfo2avGAmmz2NaHaAvYbOg0QSJz1PLjv2jdPW~ofiQmrGWM1cd~1cCqAAAA:0",
5555
"/garlic64/jT~IyXaoauTni6N4517EG8mrFUKpy0IlgZh-EY9csMAk82Odatmzr~YTZy8Hv7u~wvkg75EFNOyqb~nAPg-khyp2TS~ObUz8WlqYAM2VlEzJ7wJB91P-cUlKF18zSzVoJFmsrcQHZCirSbWoOknS6iNmsGRh5KVZsBEfp1Dg3gwTipTRIx7Vl5Vy~1OSKQVjYiGZS9q8RL0MF~7xFiKxZDLbPxk0AK9TzGGqm~wMTI2HS0Gm4Ycy8LYPVmLvGonIBYndg2bJC7WLuF6tVjVquiokSVDKFwq70BCUU5AU-EvdOD5KEOAM7mPfw-gJUG4tm1TtvcobrObqoRnmhXPTBTN5H7qDD12AvlwFGnfAlBXjuP4xOUAISL5SRLiulrsMSiT4GcugSI80mF6sdB0zWRgL1yyvoVWeTBn1TqjO27alr95DGTluuSqrNAxgpQzCKEWAyzrQkBfo2avGAmmz2NaHaAvYbOg0QSJz1PLjv2jdPW~ofiQmrGWM1cd~1cCqAAAA:-1",
5656
"/garlic64/jT~IyXaoauTni6N4517EG8mrFUKpy0IlgZh-EY9csMAk82Odatmzr~YTZy8Hv7u~wvkg75EFNOyqb~nAPg-khyp2TS~ObUz8WlqYAM2VlEzJ7wJB91P-cUlKF18zSzVoJFmsrcQHZCirSbWoOknS6iNmsGRh5KVZsBEfp1Dg3gwTipTRIx7Vl5Vy~1OSKQVjYiGZS9q8RL0MF~7xFiKxZDLbPxk0AK9TzGGqm~wMTI2HS0Gm4Ycy8LYPVmLvGonIBYndg2bJC7WLuF6tVjVquiokSVDKFwq70BCUU5AU-EvdOD5KEOAM7mPfw-gJUG4tm1TtvcobrObqoRnmhXPTBTN5H7qDD12AvlwFGnfAlBXjuP4xOUAISL5SRLiulrsMSiT4GcugSI80mF6sdB0zWRgL1yyvoVWeTBn1TqjO27alr95DGTluuSqrNAxgpQzCKEWAyzrQkBfo2avGAmmz2NaHaAvYbOg0QSJz1PLjv2jdPW~ofiQmrGWM1cd~1cCqAAAA@:666",
57+
"/garlic32/566niximlxdzpanmn4qouucvua3k7neniwss47li5r6ugoertzu",
58+
"/garlic32/566niximlxdzpanmn4qouucvua3k7neniwss47li5r6ugoertzu77",
59+
"/garlic32/566niximlxdzpanmn4qouucvua3k7neniwss47li5r6ugoertzu:80",
60+
"/garlic32/566niximlxdzpanmn4qouucvua3k7neniwss47li5r6ugoertzuq:-1",
61+
"/garlic32/566niximlxdzpanmn4qouucvua3k7neniwss47li5r6ugoertzu@",
5762
"/udp/1234/sctp",
5863
"/udp/1234/udt/1234",
5964
"/udp/1234/utp/1234",
@@ -97,6 +102,12 @@ func TestConstructSucceeds(t *testing.T) {
97102
"/garlic64/jT~IyXaoauTni6N4517EG8mrFUKpy0IlgZh-EY9csMAk82Odatmzr~YTZy8Hv7u~wvkg75EFNOyqb~nAPg-khyp2TS~ObUz8WlqYAM2VlEzJ7wJB91P-cUlKF18zSzVoJFmsrcQHZCirSbWoOknS6iNmsGRh5KVZsBEfp1Dg3gwTipTRIx7Vl5Vy~1OSKQVjYiGZS9q8RL0MF~7xFiKxZDLbPxk0AK9TzGGqm~wMTI2HS0Gm4Ycy8LYPVmLvGonIBYndg2bJC7WLuF6tVjVquiokSVDKFwq70BCUU5AU-EvdOD5KEOAM7mPfw-gJUG4tm1TtvcobrObqoRnmhXPTBTN5H7qDD12AvlwFGnfAlBXjuP4xOUAISL5SRLiulrsMSiT4GcugSI80mF6sdB0zWRgL1yyvoVWeTBn1TqjO27alr95DGTluuSqrNAxgpQzCKEWAyzrQkBfo2avGAmmz2NaHaAvYbOg0QSJz1PLjv2jdPW~ofiQmrGWM1cd~1cCqAAAA/http",
98103
"/garlic64/jT~IyXaoauTni6N4517EG8mrFUKpy0IlgZh-EY9csMAk82Odatmzr~YTZy8Hv7u~wvkg75EFNOyqb~nAPg-khyp2TS~ObUz8WlqYAM2VlEzJ7wJB91P-cUlKF18zSzVoJFmsrcQHZCirSbWoOknS6iNmsGRh5KVZsBEfp1Dg3gwTipTRIx7Vl5Vy~1OSKQVjYiGZS9q8RL0MF~7xFiKxZDLbPxk0AK9TzGGqm~wMTI2HS0Gm4Ycy8LYPVmLvGonIBYndg2bJC7WLuF6tVjVquiokSVDKFwq70BCUU5AU-EvdOD5KEOAM7mPfw-gJUG4tm1TtvcobrObqoRnmhXPTBTN5H7qDD12AvlwFGnfAlBXjuP4xOUAISL5SRLiulrsMSiT4GcugSI80mF6sdB0zWRgL1yyvoVWeTBn1TqjO27alr95DGTluuSqrNAxgpQzCKEWAyzrQkBfo2avGAmmz2NaHaAvYbOg0QSJz1PLjv2jdPW~ofiQmrGWM1cd~1cCqAAAA/udp/8080",
99104
"/garlic64/jT~IyXaoauTni6N4517EG8mrFUKpy0IlgZh-EY9csMAk82Odatmzr~YTZy8Hv7u~wvkg75EFNOyqb~nAPg-khyp2TS~ObUz8WlqYAM2VlEzJ7wJB91P-cUlKF18zSzVoJFmsrcQHZCirSbWoOknS6iNmsGRh5KVZsBEfp1Dg3gwTipTRIx7Vl5Vy~1OSKQVjYiGZS9q8RL0MF~7xFiKxZDLbPxk0AK9TzGGqm~wMTI2HS0Gm4Ycy8LYPVmLvGonIBYndg2bJC7WLuF6tVjVquiokSVDKFwq70BCUU5AU-EvdOD5KEOAM7mPfw-gJUG4tm1TtvcobrObqoRnmhXPTBTN5H7qDD12AvlwFGnfAlBXjuP4xOUAISL5SRLiulrsMSiT4GcugSI80mF6sdB0zWRgL1yyvoVWeTBn1TqjO27alr95DGTluuSqrNAxgpQzCKEWAyzrQkBfo2avGAmmz2NaHaAvYbOg0QSJz1PLjv2jdPW~ofiQmrGWM1cd~1cCqAAAA/tcp/8080",
105+
"/garlic32/566niximlxdzpanmn4qouucvua3k7neniwss47li5r6ugoertzuq",
106+
"/garlic32/566niximlxdzpanmn4qouucvua3k7neniwss47li5r6ugoertzuqzwas",
107+
"/garlic32/566niximlxdzpanmn4qouucvua3k7neniwss47li5r6ugoertzuqzwassw",
108+
"/garlic32/566niximlxdzpanmn4qouucvua3k7neniwss47li5r6ugoertzuq/http",
109+
"/garlic32/566niximlxdzpanmn4qouucvua3k7neniwss47li5r6ugoertzuq/tcp/8080",
110+
"/garlic32/566niximlxdzpanmn4qouucvua3k7neniwss47li5r6ugoertzuq/udp/8080",
100111
"/udp/0",
101112
"/tcp/0",
102113
"/sctp/0",
@@ -181,13 +192,15 @@ func TestStringToBytes(t *testing.T) {
181192
t.Error("failed to decode hex", h)
182193
}
183194

195+
//t.Log("196", h, []byte(b1))
196+
184197
b2, err := stringToBytes(s)
185198
if err != nil {
186199
t.Error("failed to convert", s, err)
187200
}
188201

189202
if !bytes.Equal(b1, b2) {
190-
t.Error("failed to convert \n", s, "to\n", b1, "got\n", b2)
203+
t.Error("failed to convert \n", s, "to\n", hex.EncodeToString(b1), "got\n", hex.EncodeToString(b2))
191204
}
192205

193206
if err := validateBytes(b2); err != nil {
@@ -201,7 +214,10 @@ func TestStringToBytes(t *testing.T) {
201214
testString("/onion/aaimaq4ygg2iegci:80", "bc030010c0439831b48218480050")
202215
testString("/onion3/vww6ybal4bd7szmgncyruucpgfkqahzddi37ktceo3ah7ngmcopnpyyd:1234", "bd03adadec040be047f9658668b11a504f3155001f231a37f54c4476c07fb4cc139ed7e30304d2")
203216
testString("/garlic64/jT~IyXaoauTni6N4517EG8mrFUKpy0IlgZh-EY9csMAk82Odatmzr~YTZy8Hv7u~wvkg75EFNOyqb~nAPg-khyp2TS~ObUz8WlqYAM2VlEzJ7wJB91P-cUlKF18zSzVoJFmsrcQHZCirSbWoOknS6iNmsGRh5KVZsBEfp1Dg3gwTipTRIx7Vl5Vy~1OSKQVjYiGZS9q8RL0MF~7xFiKxZDLbPxk0AK9TzGGqm~wMTI2HS0Gm4Ycy8LYPVmLvGonIBYndg2bJC7WLuF6tVjVquiokSVDKFwq70BCUU5AU-EvdOD5KEOAM7mPfw-gJUG4tm1TtvcobrObqoRnmhXPTBTN5H7qDD12AvlwFGnfAlBXjuP4xOUAISL5SRLiulrsMSiT4GcugSI80mF6sdB0zWRgL1yyvoVWeTBn1TqjO27alr95DGTluuSqrNAxgpQzCKEWAyzrQkBfo2avGAmmz2NaHaAvYbOg0QSJz1PLjv2jdPW~ofiQmrGWM1cd~1cCqAAAA",
204-
"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")
217+
"be0383038d3fc8c976a86ae4e78ba378e75ec41bc9ab1542a9cb422581987e118f5cb0c024f3639d6ad9b3aff613672f07bfbbbfc2f920ef910534ecaa6ff9c03e0fa4872a764d2fce6d4cfc5a5a9800cd95944cc9ef0241f753fe71494a175f334b35682459acadc4076428ab49b5a83a49d2ea2366b06461e4a559b0111fa750e0de0c138a94d1231ed5979572ff53922905636221994bdabc44bd0c17fef11622b16432db3f193400af53cc61aa9bfc0c4c8d874b41a6e18732f0b60f5662ef1a89c80589dd8366c90bb58bb85ead56356aba2a244950ca170abbd01094539014f84bdd383e4a10e00cee63dfc3e809506e2d9b54edbdca1bace6eaa119e68573d30533791fba830f5d80be5c051a77c09415e3b8fe3139400848be5244b8ae96bb0c4a24f819cba0488f34985eac741d3359180bd72cafa1559e4c19f54ea8cedbb6a5afde4319396eb92aab340c60a50cc2284580cb3ad09017e8d9abc60269b3d8d687680bd86ce834412273d4f2e3bf68dd3d6fe87e2426ac658cd5c77fd5c0aa000000")
218+
testString("/garlic32/566niximlxdzpanmn4qouucvua3k7neniwss47li5r6ugoertzuq",
219+
"bf0320efbcd45d0c5dc79781ac6f20ea5055a036afb48d45a52e7d68ec7d4338919e69")
220+
205221
}
206222

207223
func TestBytesToString(t *testing.T) {
@@ -219,6 +235,7 @@ func TestBytesToString(t *testing.T) {
219235

220236
s2, err := bytesToString(b)
221237
if err != nil {
238+
t.Log("236", s1, ":", string(h), ":", s2)
222239
t.Error("failed to convert", b, err)
223240
}
224241

@@ -233,7 +250,9 @@ func TestBytesToString(t *testing.T) {
233250
testString("/onion/aaimaq4ygg2iegci:80", "bc030010c0439831b48218480050")
234251
testString("/onion3/vww6ybal4bd7szmgncyruucpgfkqahzddi37ktceo3ah7ngmcopnpyyd:1234", "bd03adadec040be047f9658668b11a504f3155001f231a37f54c4476c07fb4cc139ed7e30304d2")
235252
testString("/garlic64/jT~IyXaoauTni6N4517EG8mrFUKpy0IlgZh-EY9csMAk82Odatmzr~YTZy8Hv7u~wvkg75EFNOyqb~nAPg-khyp2TS~ObUz8WlqYAM2VlEzJ7wJB91P-cUlKF18zSzVoJFmsrcQHZCirSbWoOknS6iNmsGRh5KVZsBEfp1Dg3gwTipTRIx7Vl5Vy~1OSKQVjYiGZS9q8RL0MF~7xFiKxZDLbPxk0AK9TzGGqm~wMTI2HS0Gm4Ycy8LYPVmLvGonIBYndg2bJC7WLuF6tVjVquiokSVDKFwq70BCUU5AU-EvdOD5KEOAM7mPfw-gJUG4tm1TtvcobrObqoRnmhXPTBTN5H7qDD12AvlwFGnfAlBXjuP4xOUAISL5SRLiulrsMSiT4GcugSI80mF6sdB0zWRgL1yyvoVWeTBn1TqjO27alr95DGTluuSqrNAxgpQzCKEWAyzrQkBfo2avGAmmz2NaHaAvYbOg0QSJz1PLjv2jdPW~ofiQmrGWM1cd~1cCqAAAA",
236-
"ca0383038d3fc8c976a86ae4e78ba378e75ec41bc9ab1542a9cb422581987e118f5cb0c024f3639d6ad9b3aff613672f07bfbbbfc2f920ef910534ecaa6ff9c03e0fa4872a764d2fce6d4cfc5a5a9800cd95944cc9ef0241f753fe71494a175f334b35682459acadc4076428ab49b5a83a49d2ea2366b06461e4a559b0111fa750e0de0c138a94d1231ed5979572ff53922905636221994bdabc44bd0c17fef11622b16432db3f193400af53cc61aa9bfc0c4c8d874b41a6e18732f0b60f5662ef1a89c80589dd8366c90bb58bb85ead56356aba2a244950ca170abbd01094539014f84bdd383e4a10e00cee63dfc3e809506e2d9b54edbdca1bace6eaa119e68573d30533791fba830f5d80be5c051a77c09415e3b8fe3139400848be5244b8ae96bb0c4a24f819cba0488f34985eac741d3359180bd72cafa1559e4c19f54ea8cedbb6a5afde4319396eb92aab340c60a50cc2284580cb3ad09017e8d9abc60269b3d8d687680bd86ce834412273d4f2e3bf68dd3d6fe87e2426ac658cd5c77fd5c0aa000000")
253+
"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")
254+
testString("/garlic32/566niximlxdzpanmn4qouucvua3k7neniwss47li5r6ugoertzuq",
255+
"bf0320efbcd45d0c5dc79781ac6f20ea5055a036afb48d45a52e7d68ec7d4338919e69")
237256
}
238257

239258
func TestBytesSplitAndJoin(t *testing.T) {

‎protocols.go

Lines changed: 10 additions & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -20,7 +20,8 @@ const (
2020
P_HTTPS = 0x01BB
2121
P_ONION = 0x01BC // also for backwards compatibility
2222
P_ONION3 = 0x01BD
23-
P_GARLIC64 = 0x01CA
23+
P_GARLIC64 = 0x01BE
24+
P_GARLIC32 = 0x01BF
2425
P_P2P_WEBRTC_DIRECT = 0x0114
2526
)
2627

@@ -101,6 +102,13 @@ var (
101102
Size: LengthPrefixedVarSize,
102103
Transcoder: TranscoderGarlic64,
103104
}
105+
protoGARLIC32 = Protocol{
106+
Name: "garlic32",
107+
Code: P_GARLIC32,
108+
VCode: CodeToVarint(P_GARLIC32),
109+
Size: LengthPrefixedVarSize,
110+
Transcoder: TranscoderGarlic32,
111+
}
104112
protoUTP = Protocol{
105113
Name: "utp",
106114
Code: P_UTP,
@@ -160,6 +168,7 @@ func init() {
160168
protoONION2,
161169
protoONION3,
162170
protoGARLIC64,
171+
protoGARLIC32,
163172
protoUTP,
164173
protoUDT,
165174
protoQUIC,

‎transcoders.go

Lines changed: 44 additions & 5 deletions
Original file line numberDiff line numberDiff line change
@@ -212,13 +212,14 @@ func onion3BtS(b []byte) (string, error) {
212212
return str, nil
213213
}
214214

215-
var TranscoderGarlic64 = NewTranscoderFromFunctions(garlic64StB, garlic64BtS, garlicValidate)
215+
var TranscoderGarlic64 = NewTranscoderFromFunctions(garlic64StB, garlic64BtS, garlic64Validate)
216216

217217
// i2p uses an alternate character set for base64 addresses. This returns an appropriate encoder.
218218
var garlicBase64Encoding = base64.NewEncoding("ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789-~")
219219

220220
func garlic64StB(s string) ([]byte, error) {
221-
// i2p base64 address
221+
// i2p base64 address will be between 516 and 616 characters long, depending on
222+
// certificate type
222223
if len(s) < 516 || len(s) > 616 {
223224
return nil, fmt.Errorf("failed to parse garlic addr: %s not an i2p base64 address. len: %d\n", s, len(s))
224225
}
@@ -231,20 +232,58 @@ func garlic64StB(s string) ([]byte, error) {
231232
}
232233

233234
func garlic64BtS(b []byte) (string, error) {
234-
if len(b) < 386 {
235-
return "", fmt.Errorf("failed to validate garlic addr: %s not an i2p base64 address. len: %d\n", b, len(b))
235+
if err := garlic64Validate(b); err != nil {
236+
return "", err
236237
}
237238
addr := garlicBase64Encoding.EncodeToString(b)
238239
return addr, nil
239240
}
240241

241-
func garlicValidate(b []byte) error {
242+
func garlic64Validate(b []byte) error {
243+
// A garlic64 address will always be greater than 386 bytes long when encoded.
242244
if len(b) < 386 {
243245
return fmt.Errorf("failed to validate garlic addr: %s not an i2p base64 address. len: %d\n", b, len(b))
244246
}
245247
return nil
246248
}
247249

250+
var TranscoderGarlic32 = NewTranscoderFromFunctions(garlic32StB, garlic32BtS, garlic32Validate)
251+
252+
var garlicBase32Encoding = base32.NewEncoding("abcdefghijklmnopqrstuvwxyz234567")
253+
254+
func garlic32StB(s string) ([]byte, error) {
255+
// an i2p base32 address with a length of greater than 55 characters is
256+
// using an Encrypted Leaseset v2. all other base32 addresses will always be
257+
// exactly 52 characters
258+
if len(s) < 55 && len(s) != 52 {
259+
return nil, fmt.Errorf("failed to parse garlic addr: %s not a i2p base32 address. len: %d", s, len(s))
260+
}
261+
for len(s)%8 != 0 {
262+
s += "="
263+
}
264+
garlicHostBytes, err := garlicBase32Encoding.DecodeString(s)
265+
if err != nil {
266+
return nil, fmt.Errorf("failed to decode base32 garlic addr: %s, err: %v len: %v", s, err, len(s))
267+
}
268+
return garlicHostBytes, nil
269+
}
270+
271+
func garlic32BtS(b []byte) (string, error) {
272+
if err := garlic32Validate(b); err != nil {
273+
return "", err
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}
275+
return strings.TrimRight(garlicBase32Encoding.EncodeToString(b), "="), nil
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}
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278+
func garlic32Validate(b []byte) error {
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// an i2p base64 for an Encrypted Leaseset v2 will be at least 35 bytes
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// long other than that, they will be exactly 32 bytes
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if len(b) < 35 && len(b) != 32 {
282+
return fmt.Errorf("failed to validate garlic addr: %s not an i2p base32 address. len: %d\n", b, len(b))
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}
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return nil
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}
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248287
var TranscoderP2P = NewTranscoderFromFunctions(p2pStB, p2pBtS, p2pVal)
249288

250289
func p2pStB(s string) ([]byte, error) {

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