Merge branch 'hailey/expo-oauth-helper' into hailey/oauth

# Conflicts:
#	modules/expo-bluesky-oauth-client/src/rn-oauth-client-factory.native.ts
#	modules/expo-bluesky-oauth-client/src/rn-oauth-database.native.ts
This commit is contained in:
Hailey
2024-04-15 02:04:39 -07:00
30 changed files with 880 additions and 1304 deletions
@@ -22,8 +22,8 @@ class CryptoUtil {
return random
}
fun generateKeyPair(keyId: String?): Pair<String, String> {
val keyIdString = keyId ?: UUID.randomUUID().toString()
fun generateKeyPair(): Any {
val keyIdString = UUID.randomUUID().toString()
val keyPairGen = KeyPairGenerator.getInstance("EC")
keyPairGen.initialize(Curve.P_256.toECParameterSpec())
@@ -44,9 +44,27 @@ class CryptoUtil {
.algorithm(Algorithm.parse("ES256"))
.build()
return Pair(
publicJwk.toString(),
privateJwk.toString()
return JWKPair(
JWK(
alg = privateJwk.algorithm.toString(),
kty = privateJwk.keyType.toString(),
crv = privateJwk.curve.toString(),
x = privateJwk.x.toString(),
y = privateJwk.y.toString(),
d = privateJwk.d.toString(),
use = privateJwk.keyUse.toString(),
kid = privateJwk.keyID
),
JWK(
alg = publicJwk.algorithm.toString(),
kty = publicJwk.keyType.toString(),
crv = publicJwk.curve.toString(),
x = publicJwk.x.toString(),
y = publicJwk.y.toString(),
use = publicJwk.keyUse.toString(),
kid = publicJwk.keyID
)
)
}
}
@@ -1,5 +1,6 @@
package expo.modules.blueskyoauthclient
import android.util.Log
import expo.modules.kotlin.modules.Module
import expo.modules.kotlin.modules.ModuleDefinition
@@ -15,21 +16,19 @@ class ExpoBlueskyOAuthClientModule : Module() {
return@Function CryptoUtil().getRandomValues(byteLength)
}
AsyncFunction("generateKeyPair") { keyId: String? ->
val res = CryptoUtil().generateKeyPair(keyId)
return@AsyncFunction mapOf(
"publicKey" to res.first,
"privateKey" to res.second
)
AsyncFunction("generateJwk") { algorithim: String ->
if (algorithim != "ES256") {
throw Exception("Unsupported algorithm")
}
return@AsyncFunction CryptoUtil().generateKeyPair()
}
AsyncFunction("createJwt") { jwkString: String, headerString: String, payloadString: String ->
return@AsyncFunction JWTUtil().createJwt(jwkString, headerString, payloadString)
AsyncFunction("createJwt") { header: JWTHeader, payload: JWTPayload, jwk: JWK ->
return@AsyncFunction JWTUtil().createJwt(header, payload, jwk)
}
AsyncFunction("verifyJwt") { jwkString: String, tokenString: String, options: String? ->
return@AsyncFunction JWTUtil().verifyJwt(jwkString, tokenString, options)
AsyncFunction("verifyJwt") { token: String, jwk: JWK ->
return@AsyncFunction JWTUtil().verifyJwt(token, jwk)
}
}
}
@@ -0,0 +1,34 @@
package expo.modules.blueskyoauthclient
import expo.modules.kotlin.records.Record
import expo.modules.kotlin.records.Field
class JWK(
@Field var alg: String = "",
@Field var kty: String = "",
@Field var crv: String? = null,
@Field var x: String? = null,
@Field var y: String? = null,
@Field var e: String? = null,
@Field var n: String? = null,
@Field var d: String? = null,
@Field var use: String? = null,
@Field var kid: String? = null
) : Record {
fun toJson(): String {
val parts = mutableListOf<String>()
if (alg.isNotEmpty()) parts.add("\"alg\": \"$alg\"")
if (kty.isNotEmpty()) parts.add("\"kty\": \"$kty\"")
if (crv != null) parts.add("\"crv\": \"$crv\"")
if (x != null) parts.add("\"x\": \"$x\"")
if (y != null) parts.add("\"y\": \"$y\"")
if (e != null) parts.add("\"e\": \"$e\"")
if (n != null) parts.add("\"n\": \"$n\"")
if (d != null) parts.add("\"d\": \"$d\"")
if (use != null) parts.add("\"use\": \"$use\"")
if (kid != null) parts.add("\"kid\": \"$kid\"")
return "{ ${parts.joinToString()} }"
}
}
class JWKPair(@Field val privateKey: JWK, @Field val publicKey: JWK) : Record
@@ -0,0 +1,175 @@
package expo.modules.blueskyoauthclient
import expo.modules.kotlin.records.Record
import expo.modules.kotlin.records.Field
class JWTHeader(
@Field var alg: String = "",
@Field var jku: String? = null,
@Field var jwk: JWK? = null,
@Field var kid: String? = null,
@Field var typ: String? = null,
@Field var cty: String? = null,
@Field var crit: String? = null
) : Record {
fun toJson(): String {
val parts = mutableListOf<String>()
if (alg.isNotEmpty()) parts.add("\"alg\": \"$alg\"")
if (jku != null) parts.add("\"jku\": \"$jku\"")
if (jwk != null) parts.add("\"jwk\": ${jwk?.toJson()}")
if (kid != null) parts.add("\"kid\": \"$kid\"")
if (typ != null) parts.add("\"typ\": \"$typ\"")
if (cty != null) parts.add("\"cty\": \"$cty\"")
if (crit != null) parts.add("\"crit\": \"$crit\"")
return "{ ${parts.joinToString()} }"
}
}
class JWTPayload(
@Field var iss: String? = null,
@Field var aud: String? = null,
@Field var sub: String? = null,
@Field var exp: Int? = null,
@Field var nbr: Int? = null,
@Field var iat: Int? = null,
@Field var jti: String? = null,
@Field var htm: String? = null,
@Field var htu: String? = null,
@Field var ath: String? = null,
@Field var acr: String? = null,
@Field var azp: String? = null,
@Field var amr: String? = null,
@Field var cnf: JWTPayloadCNF? = null,
@Field var client_id: String? = null,
@Field var scope: String? = null,
@Field var nonce: String? = null,
@Field var at_hash: String? = null,
@Field var c_hash: String? = null,
@Field var s_hash: String? = null,
@Field var auth_time: Int? = null,
@Field var name: String? = null,
@Field var family_name: String? = null,
@Field var given_name: String? = null,
@Field var middle_name: String? = null,
@Field var nickname: String? = null,
@Field var preferred_username: String? = null,
@Field var gender: String? = null,
@Field var picture: String? = null,
@Field var profile: String? = null,
@Field var birthdate: String? = null,
@Field var zoneinfo: String? = null,
@Field var updated_at: Int? = null,
@Field var email: String? = null,
@Field var email_verified: Boolean? = null,
@Field var phone_number: String? = null,
@Field var phone_number_verified: Boolean? = null,
@Field var address: JWTPayloadAddress? = null,
@Field var authorization_details: JWTPayloadAuthorizationDetails? = null
) : Record {
fun toJson(): String {
val parts = mutableListOf<String>()
if (iss != null) parts.add("\"iss\": \"$iss\"")
if (aud != null) parts.add("\"aud\": \"$aud\"")
if (sub != null) parts.add("\"sub\": \"$sub\"")
if (exp != null) parts.add("\"exp\": $exp")
if (nbr != null) parts.add("\"nbr\": $nbr")
if (iat != null) parts.add("\"iat\": $iat")
if (jti != null) parts.add("\"jti\": \"$jti\"")
if (htm != null) parts.add("\"htm\": \"$htm\"")
if (htu != null) parts.add("\"htu\": \"$htu\"")
if (ath != null) parts.add("\"ath\": \"$ath\"")
if (acr != null) parts.add("\"acr\": \"$acr\"")
if (azp != null) parts.add("\"azp\": \"$azp\"")
if (amr != null) parts.add("\"amr\": \"$amr\"")
if (cnf != null) parts.add("\"cnf\": ${cnf?.toJson()}")
if (client_id != null) parts.add("\"client_id\": \"$client_id\"")
if (scope != null) parts.add("\"scope\": \"$scope\"")
if (nonce != null) parts.add("\"nonce\": \"$nonce\"")
if (at_hash != null) parts.add("\"at_hash\": \"$at_hash\"")
if (c_hash != null) parts.add("\"c_hash\": \"$c_hash\"")
if (s_hash != null) parts.add("\"s_hash\": \"$s_hash\"")
if (auth_time != null) parts.add("\"auth_time\": $auth_time")
if (name != null) parts.add("\"name\": \"$name\"")
if (family_name != null) parts.add("\"family_name\": \"$family_name\"")
if (given_name != null) parts.add("\"given_name\": \"$given_name\"")
if (middle_name != null) parts.add("\"middle_name\": \"$middle_name\"")
if (nickname != null) parts.add("\"nickname\": \"$nickname\"")
if (preferred_username != null) parts.add("\"preferred_username\": \"$preferred_username\"")
if (gender != null) parts.add("\"gender\": \"$gender\"")
if (picture != null) parts.add("\"picture\": \"$picture\"")
if (profile != null) parts.add("\"profile\": \"$profile\"")
if (birthdate != null) parts.add("\"birthdate\": \"$birthdate\"")
if (zoneinfo != null) parts.add("\"zoneinfo\": \"$zoneinfo\"")
if (updated_at != null) parts.add("\"updated_at\": $updated_at")
if (email != null) parts.add("\"email\": \"$email\"")
if (email_verified != null) parts.add("\"email_verified\": $email_verified")
if (phone_number != null) parts.add("\"phone_number\": \"$phone_number\"")
if (phone_number_verified != null) parts.add("\"phone_number_verified\": $phone_number_verified")
if (address != null) parts.add("\"address\": ${address?.toJson()}")
if (authorization_details != null) parts.add("\"authorization_details\": ${authorization_details?.toJson()}")
return "{ ${parts.joinToString()} }"
}
}
class JWTPayloadCNF(
@Field var jwk: JWK? = null,
@Field var jwe: String? = null,
@Field var jku: String? = null,
@Field var jkt: String? = null,
@Field var osc: String? = null
) : Record {
fun toJson(): String {
val parts = mutableListOf<String>()
if (jwk != null) parts.add("\"jwk\": ${jwk?.toJson()}")
if (jwe != null) parts.add("\"jwe\": \"$jwe\"")
if (jku != null) parts.add("\"jku\": \"$jku\"")
if (jkt != null) parts.add("\"jkt\": \"$jkt\"")
if (osc != null) parts.add("\"osc\": \"$osc\"")
return "{ ${parts.joinToString()} }"
}
}
class JWTPayloadAddress(
@Field var formatted: String? = null,
@Field var street_address: String? = null,
@Field var locality: String? = null,
@Field var region: String? = null,
@Field var postal_code: String? = null,
@Field var country: String? = null
) : Record {
fun toJson(): String {
val parts = mutableListOf<String>()
if (formatted != null) parts.add("\"formatted\": \"$formatted\"")
if (street_address != null) parts.add("\"street_address\": \"$street_address\"")
if (locality != null) parts.add("\"locality\": \"$locality\"")
if (region != null) parts.add("\"region\": \"$region\"")
if (postal_code != null) parts.add("\"postal_code\": \"$postal_code\"")
if (country != null) parts.add("\"country\": \"$country\"")
return "{ ${parts.joinToString()} }"
}
}
class JWTPayloadAuthorizationDetails(
@Field var type: String? = null,
@Field var locations: Array<String>? = null,
@Field var actions: Array<String>? = null,
@Field var datatypes: Array<String>? = null,
@Field var identifier: String? = null,
@Field var privileges: Array<String>? = null
) : Record {
fun toJson(): String {
val parts = mutableListOf<String>()
if (type != null) parts.add("\"type\": \"$type\"")
if (locations != null) parts.add("\"locations\": [${locations?.joinToString()}]")
if (actions != null) parts.add("\"actions\": [${actions?.joinToString()}]")
if (datatypes != null) parts.add("\"datatypes\": [${datatypes?.joinToString()}]")
if (identifier != null) parts.add("\"identifier\": \"$identifier\"")
if (privileges != null) parts.add("\"privileges\": [${privileges?.joinToString()}]")
return "{ ${parts.joinToString()} }"
}
}
class JWTVerifyResponse(
@Field var protectedHeader: JWTHeader = JWTHeader(),
@Field var payload: String = "",
) : Record
@@ -7,29 +7,64 @@ import com.nimbusds.jose.jwk.ECKey
import com.nimbusds.jwt.JWTClaimsSet
import com.nimbusds.jwt.SignedJWT
class JWTUtil {
fun createJwt(jwkString: String, headerString: String, payloadString: String): String {
val key = ECKey.parse(jwkString)
val header = JWSHeader.parse(headerString)
val payload = JWTClaimsSet.parse(payloadString)
fun createJwt(header: JWTHeader, payload: JWTPayload, jwk: JWK): String {
val parsedKey = ECKey.parse(jwk.toJson())
val parsedHeader = JWSHeader.parse(header.toJson())
val parsedPayload = JWTClaimsSet.parse(payload.toJson())
val signer = ECDSASigner(key)
val jwt = SignedJWT(header, payload)
val signer = ECDSASigner(parsedKey)
val jwt = SignedJWT(parsedHeader, parsedPayload)
jwt.sign(signer)
return jwt.serialize()
}
fun verifyJwt(jwkString: String, tokenString: String, options: String?): Boolean {
return try {
val key = ECKey.parse(jwkString)
val jwt = SignedJWT.parse(tokenString)
val verifier = ECDSAVerifier(key)
fun verifyJwt(token: String, jwk: JWK): JWTVerifyResponse {
try {
val parsedKey = ECKey.parse(jwk.toJson())
val jwt = SignedJWT.parse(token)
val verifier = ECDSAVerifier(parsedKey)
jwt.verify(verifier)
if (!jwt.verify(verifier)) {
throw Exception("Invalid signature")
}
val header = jwt.header
val payload = jwt.payload
val ecKey = header.jwk?.toECKey()
val serializedJwk = if (ecKey != null) {
JWK(
alg = ecKey.algorithm.toString(),
kty = ecKey.keyType.toString(),
crv = ecKey.curve.toString(),
x = ecKey.x.toString(),
y = ecKey.y.toString(),
d = ecKey.d.toString(),
use = ecKey.keyUse.toString(),
kid = ecKey.keyID
)
} else {
null
}
val serializedHeader = JWTHeader(
alg = header.algorithm.toString(),
jku = header.jwkurl?.toString(),
jwk = serializedJwk,
kid = header.keyID,
typ = header.type?.toString(),
cty = header.contentType,
crit = header.criticalParams?.joinToString()
)
val serializedPayload = payload.toString()
return JWTVerifyResponse(
protectedHeader = serializedHeader,
payload = serializedPayload,
)
} catch(e: Exception) {
false
throw e
}
}
}
+4 -6
View File
@@ -1,6 +1,4 @@
export * from './src/crypto-subtle'
export * from './src/jose-key'
export * from './src/rn-crypto-key'
export * from './src/rn-oauth-client-factory'
export * from './src/rn-oauth-database'
export * from './src/util.web'
export * from './src/oauth-client-react-native'
export * from './src/react-native-crypto-implementation'
export * from './src/react-native-key'
export * from './src/react-native-store-with-key'
@@ -1,5 +1,6 @@
import CryptoKit
import JOSESwift
import ExpoModulesCore
class CryptoUtil {
// The equivalent of crypto.subtle.digest() with JS on web
@@ -13,8 +14,8 @@ class CryptoUtil {
return Data(bytes)
}
public static func generateKeyPair(kid: String?) throws -> (publicJWK: JWK, privateJWK: JWK)? {
let keyIdString = kid ?? UUID().uuidString
public static func generateKeyPair() throws -> JWKPair? {
let keyIdString = UUID().uuidString
let privateKey = P256.Signing.PrivateKey()
let publicKey = privateKey.publicKey
@@ -23,10 +24,27 @@ class CryptoUtil {
let y = publicKey.x963Representation[33...].base64URLEncodedString()
let d = privateKey.rawRepresentation.base64URLEncodedString()
let publicJWK = JWK(kty: "EC", use: "sig", crv: "P-256", kid: keyIdString, x: x, y: y, alg: "ES256")
let privateJWK = JWK(kty: "EC", use: "sig", crv: "P-256", kid: keyIdString, x: x, y: y, d: d, alg: "ES256")
let publicJWK = JWK(
alg: "ES256".toField(),
kty: "EC".toField(),
crv: "P-256".toNullableField(),
x: x.toNullableField(),
y: y.toNullableField(),
use: "sig".toNullableField(),
kid: keyIdString.toNullableField()
)
let privateJWK = JWK(
alg: "ES256".toField(),
kty: "EC".toField(),
crv: "P-256".toNullableField(),
x: x.toNullableField(),
y: y.toNullableField(),
d: d.toNullableField(),
use: "sig".toNullableField(),
kid: keyIdString.toNullableField()
)
return (publicJWK, privateJWK)
return JWKPair(privateKey: privateJWK.toField(), publicKey: publicJWK.toField())
}
}
@@ -35,3 +53,12 @@ extension Data {
return self.base64EncodedString().replacingOccurrences(of: "+", with: "-").replacingOccurrences(of: "/", with: "_").replacingOccurrences(of: "=", with: "")
}
}
extension String {
func toField() -> Field<String> {
return Field(wrappedValue: self)
}
func toNullableField() -> Field<String?> {
return Field(wrappedValue: self)
}
}
@@ -14,30 +14,32 @@ public class ExpoBlueskyOAuthClientModule: Module {
return CryptoUtil.getRandomValues(byteLength: byteLength)
}
AsyncFunction ("generateKeyPair") { (kid: String?, promise: Promise) in
let keypair = try? CryptoUtil.generateKeyPair(kid: kid)
AsyncFunction ("generateJwk") { (algo: String?, promise: Promise) in
if algo != "ES256" {
promise.reject("GenerateKeyError", "Algorithim not supported.")
return
}
let keypair = try? CryptoUtil.generateKeyPair()
guard let keypair = keypair else {
guard keypair != nil else {
promise.reject("GenerateKeyError", "Error generating JWK.")
return
}
promise.resolve([
"publicKey": keypair.publicJWK.toJson(),
"privateKey": keypair.privateJWK.toJson()
])
promise.resolve(keypair)
}
AsyncFunction("createJwt") { (jwk: String, header: String, payload: String, promise: Promise) in
guard let jwt = JWTUtil.createJwt(jwk, header: header, payload: payload) else {
AsyncFunction("createJwt") { (header: JWTHeader, payload: JWTPayload, jwk: JWK, promise: Promise) in
guard let jwt = JWTUtil.createJwt(header: header, payload: payload, jwk: jwk) else {
promise.reject("JWTError", "Error creating JWT.")
return
}
promise.resolve(jwt)
}
AsyncFunction("verifyJwt") { (jwk: String, token: String, options: String?, promise: Promise) in
promise.resolve(JWTUtil.verifyJwt(jwk, token: token, options: options))
AsyncFunction("verifyJwt") { (token: String, jwk: JWK, promise: Promise) in
promise.resolve(JWTUtil.verifyJwt(token: token, jwk: jwk))
}
}
}
+53 -24
View File
@@ -1,29 +1,58 @@
struct JWK {
let kty: String
let use: String
let crv: String
let kid: String
let x: String
let y: String
import ExpoModulesCore
import JOSESwift
struct JWK : Record {
@Field
var alg: String
@Field
var kty: String
@Field
var crv: String?
@Field
var x: String?
@Field
var y: String?
@Field
var e: String?
@Field
var n: String?
@Field
var d: String?
let alg: String
@Field
var use: String?
@Field
var kid: String?
func toJson() -> String {
var dict: [String: Any] = [
"kty": kty,
"use": use,
"crv": crv,
"kid": kid,
"x": x,
"y": y,
"alg": alg,
]
if let d = d {
dict["d"] = d
func toField() -> Field<JWK> {
return Field(wrappedValue: self)
}
func toPrivateSecKey() throws -> SecKey? {
let jsonData = try JSONSerialization.data(withJSONObject: self.toDictionary())
guard let jwk = try? JSONDecoder().decode(ECPrivateKey.self, from: jsonData),
let key = try? jwk.converted(to: SecKey.self)
else {
print("Error creating SecKey.")
return nil
}
let jsonData = try! JSONSerialization.data(withJSONObject: dict, options: [])
return String(data: jsonData, encoding: .utf8)!
return key
}
func toPublicSecKey() throws -> SecKey? {
let jsonData = try JSONSerialization.data(withJSONObject: self.toDictionary())
guard let jwk = try? JSONDecoder().decode(ECPublicKey.self, from: jsonData),
let key = try? jwk.converted(to: SecKey.self)
else {
print("Error creating SecKey.")
return nil
}
return key
}
}
struct JWKPair : Record {
@Field
var privateKey: JWK
@Field
var publicKey: JWK
}
@@ -0,0 +1,184 @@
import ExpoModulesCore
import JOSESwift
struct JWTHeader : Record {
@Field
var alg: String = "ES256"
@Field
var jku: String?
@Field
var jwk: JWK
@Field
var kid: String?
@Field
var typ: String?
@Field
var cty: String?
@Field
var crit: String?
func toField() -> Field<JWTHeader> {
return Field(wrappedValue: self)
}
func toJWSHeader() throws -> JWSHeader? {
return JWSHeader(try JSONSerialization.data(withJSONObject: self.toDictionary()))
}
}
struct JWTPayload : Record {
@Field
var iss: String?
@Field
var aud: String?
@Field
var sub: String?
@Field
var exp: Int?
@Field
var nbr: Int?
@Field
var iat: Int?
@Field
var jti: String?
@Field
var htm: String?
@Field
var htu: String?
@Field
var ath: String?
@Field
var acr: String?
@Field
var azp: String?
@Field
var amr: String?
@Field
var cnf: JWTPayloadCNF?
@Field
var client_id: String?
@Field
var scope: String?
@Field
var nonce: String?
@Field
var at_hash: String?
@Field
var c_hash: String?
@Field
var s_hash: String?
@Field
var auth_time: Int?
@Field
var name: String?
@Field
var family_name: String?
@Field
var given_name: String?
@Field
var middle_name: String?
@Field
var nickname: String?
@Field
var preferred_username: String?
@Field
var gender: String?
@Field
var picture: String?
@Field
var profile: String?
@Field
var website: String?
@Field
var birthdate: String?
@Field
var zoneinfo: String?
@Field
var locale: String?
@Field
var updated_at: Int?
@Field
var email: String?
@Field
var email_verified: Bool?
@Field
var phone_number: String?
@Field
var phone_number_verified: Bool?
@Field
var address: JWTPayloadAddress?
@Field
var authorization_details: JWTPayloadAuthorizationDetails?
func toField() -> Field<JWTPayload> {
return Field(wrappedValue: self)
}
func toPayload() throws -> Payload {
return Payload(try JSONSerialization.data(withJSONObject: self.toDictionary()))
}
}
struct JWTPayloadCNF : Record {
@Field
var kid: String?
@Field
var jwk: JWK?
@Field
var jwe: String?
@Field
var jku: String?
@Field
var jkt: String?
@Field
var osc: String?
func toField() -> Field<JWTPayloadCNF> {
return Field(wrappedValue: self)
}
}
struct JWTPayloadAddress : Record {
@Field
var formatted: String?
@Field
var street_address: String?
@Field
var locality: String?
@Field
var region: String?
@Field
var postal_code: String?
@Field
var country: String?
func toField() -> Field<JWTPayloadAddress> {
return Field(wrappedValue: self)
}
}
struct JWTPayloadAuthorizationDetails : Record {
@Field
var type: String
@Field
var locations: [String]?
@Field
var actions: [String]?
@Field
var datatypes: [String]?
@Field
var identifier: String?
@Field
var privileges: [String]?
func toField() -> Field<JWTPayloadAuthorizationDetails> {
return Field(wrappedValue: self)
}
}
struct JWTVerifyResponse : Record {
@Field
var protectedHeader: JWTHeader
@Field
var payload: String
}
@@ -1,21 +1,7 @@
import ExpoModulesCore
import JOSESwift
class JWTUtil {
static func jsonToPrivateKey(_ jwkString: String) throws -> SecKey? {
guard let jsonData = jwkString.data(using: .utf8),
let jwk = try? JSONDecoder().decode(ECPrivateKey.self, from: jsonData),
let key = try? jwk.converted(to: SecKey.self)
else {
let jsonData = jwkString.data(using: .utf8)!
let jwk = try! JSONDecoder().decode(ECPrivateKey.self, from: jsonData)
// let key = try! jwk.converted(to: SecKey.self)
print("Error creating JWK from JWK string \(jwkString).")
return nil
}
return key
}
static func jsonToPublicKey(_ jwkString: String) throws -> SecKey? {
guard let jsonData = jwkString.data(using: .utf8),
let jwk = try? JSONDecoder().decode(ECPublicKey.self, from: jsonData),
@@ -46,12 +32,12 @@ class JWTUtil {
return JWSHeader(headerData)
}
public static func createJwt(_ jwkString: String, header headerString: String, payload payloadString: String) -> String? {
guard let key = try? jsonToPrivateKey(jwkString),
let payload = payloadStringToPayload(payloadString),
let header = headerStringToPayload(headerString)
else
{
public static func createJwt(header: JWTHeader, payload: JWTPayload, jwk: JWK) -> String? {
guard let header = try? header.toJWSHeader(),
let payload = try? payload.toPayload(),
let key = try? jwk.toPrivateSecKey()
else {
print("didn't have one")
return nil
}
@@ -67,15 +53,34 @@ class JWTUtil {
return jws.compactSerializedString
}
public static func verifyJwt(_ jwkString: String, token tokenString: String, options optionsString: String?) -> Bool {
guard let key = try? jsonToPublicKey(jwkString),
let jws = try? JWS(compactSerialization: tokenString),
public static func verifyJwt(token: String, jwk: JWK) -> JWTVerifyResponse? {
guard let key = try? jwk.toPublicSecKey(),
let jws = try? JWS(compactSerialization: token),
let verifier = Verifier(verifyingAlgorithm: .ES256, key: key),
let isVerified = try? jws.validate(using: verifier).isValid(for: verifier)
let validation = try? jws.validate(using: verifier)
else {
return false
return nil
}
return isVerified
let header = validation.header
let serializedHeader = JWTHeader(
alg: "ES256",
jku: Field(wrappedValue: header.jku?.absoluteString),
kid: Field(wrappedValue:header.kid),
typ: Field(wrappedValue: header.typ),
cty: Field(wrappedValue: header.cty),
crit: Field(wrappedValue: header.cty)
)
let payload = String(data: validation.payload.data(), encoding: .utf8)
guard let payload = payload else {
return nil
}
return JWTVerifyResponse(
protectedHeader: serializedHeader.toField(),
payload: payload.toField()
)
}
}
@@ -1,24 +0,0 @@
import {requireNativeModule} from 'expo-modules-core'
import {CryptoImplementation, Key} from '@atproto/oauth-client'
import {RnCryptoKey} from './rn-crypto-key'
// It loads the native module object from the JSI or falls back to
// the bridge module (from NativeModulesProxy) if the remote debugger is on.
const NativeModule = requireNativeModule('ExpoBlueskyOAuthClient')
export class CryptoSubtle implements CryptoImplementation {
// We won't use the `algos` parameter here, as we will always use `ES256`.
// eslint-disable-next-line @typescript-eslint/no-unused-vars
async createKey(algos: string[] = ['ES256']): Promise<Key> {
return await RnCryptoKey.generate(undefined, ['ES256'])
}
getRandomValues(byteLength: number): Uint8Array {
return NativeModule.getRandomValues(byteLength)
}
async digest(bytes: Uint8Array): Promise<Uint8Array> {
return await NativeModule.digest(bytes)
}
}
@@ -1,48 +0,0 @@
import {WebcryptoKey} from '@atproto/jwk-webcrypto'
import {CryptoImplementation, DigestAlgorithm, Key} from '@atproto/oauth-client'
// @ts-ignore web only, this silences some warnings
const crypto = global.crypto
export class CryptoSubtle implements CryptoImplementation {
constructor(_: any) {
if (!crypto?.subtle) {
throw new Error(
'Crypto with CryptoSubtle is required. If running in a browser, make sure the current page is loaded over HTTPS.',
)
}
}
async createKey(algs: string[]): Promise<Key> {
return WebcryptoKey.generate(undefined, algs)
}
getRandomValues(byteLength: number): Uint8Array {
const bytes = new Uint8Array(byteLength)
crypto.getRandomValues(bytes)
return bytes
}
async digest(
bytes: Uint8Array,
algorithm: DigestAlgorithm,
): Promise<Uint8Array> {
const buffer = await crypto.subtle.digest(
digestAlgorithmToSubtle(algorithm),
bytes,
)
return new Uint8Array(buffer)
}
}
// @ts-ignore web only type
function digestAlgorithmToSubtle({name}: DigestAlgorithm): AlgorithmIdentifier {
switch (name) {
case 'sha256':
case 'sha384':
case 'sha512':
return `SHA-${name.slice(-3)}`
default:
throw new Error(`Unknown hash algorithm ${name}`)
}
}
@@ -1,106 +0,0 @@
import {requireNativeModule} from 'expo-modules-core'
import {jwkSchema} from '@atproto/jwk'
import {Key} from '@atproto/jwk'
import {
exportJWK,
importJWK,
importPKCS8,
JWK,
KeyLike,
VerifyOptions,
} from 'jose'
import {JwtHeader, JwtPayload} from 'jwt-decode'
const NativeModule = requireNativeModule('ExpoBlueskyOAuthClient')
export class JoseKey extends Key {
#keyObj?: KeyLike | Uint8Array
protected async getKey() {
return (this.#keyObj ||= await importJWK(this.jwk as JWK))
}
async createJwt(header: JwtHeader, payload: JwtPayload): Promise<string> {
if (header.kid && header.kid !== this.kid) {
throw new TypeError(
`Invalid "kid" (${header.kid}) used to sign with key "${this.kid}"`,
)
}
if (!header.alg || !this.algorithms.includes(header.alg)) {
throw new TypeError(
`Invalid "alg" (${header.alg}) used to sign with key "${this.kid}"`,
)
}
return await NativeModule.createJwt(
JSON.stringify(this.privateJwk),
JSON.stringify(header),
JSON.stringify(payload),
)
}
async verifyJwt<
P extends VerifyPayload = JwtPayload,
C extends string = string,
>(token: Jwt, options?: VerifyOptions<C>): Promise<VerifyResult<P, C>> {
const result = await NativeModule.verifyJwt(
JSON.stringify(this.publicJwk),
token,
JSON.stringify(options),
)
return result
// return result as VerifyResult<P, C>
}
static async fromImportable(
input: Importable,
kid?: string,
): Promise<JoseKey> {
if (typeof input === 'string') {
// PKCS8
if (input.startsWith('-----')) {
return this.fromPKCS8(input, kid)
}
// Jwk (string)
if (input.startsWith('{')) {
return this.fromJWK(input, kid)
}
throw new TypeError('Invalid input')
}
if (typeof input === 'object') {
// Jwk
if ('kty' in input || 'alg' in input) {
return this.fromJWK(input, kid)
}
// KeyLike
return this.fromJWK(await exportJWK(input), kid)
}
throw new TypeError('Invalid input')
}
static async fromPKCS8(pem: string, kid?: string): Promise<JoseKey> {
const keyLike = await importPKCS8(pem, '', {extractable: true})
return this.fromJWK(await exportJWK(keyLike), kid)
}
static async fromJWK(
input: string | Record<string, unknown>,
inputKid?: string,
): Promise<JoseKey> {
const jwk = jwkSchema.parse(
typeof input === 'string' ? JSON.parse(input) : input,
)
const kid = either(jwk.kid, inputKid)
const alg = jwk.alg
const use = jwk.use || 'sig'
return new JoseKey({...jwk, kid, alg, use})
}
}
@@ -1,20 +0,0 @@
export interface CryptoKey {
algorithm: {
name: 'ECDSA'
namedCurve: 'P-256'
}
extractable: boolean
type: 'public' | 'private'
usages: ('sign' | 'verify')[]
}
export interface NativeJWKKey {
crv: 'P-256'
ext: boolean
kty: 'EC'
x: string
y: string
use: 'sig'
alg: 'ES256'
kid: string
}
@@ -0,0 +1,48 @@
import {requireNativeModule} from 'expo-modules-core'
import {Jwk, Jwt, Key} from '@atproto/jwk'
const NativeModule = requireNativeModule('ExpoBlueskyOAuthClient')
const LINKING_ERROR =
'The package ExpoBlueskyOAuthClient is not linked. Make sure you have run `expo install expo-bluesky-oauth-client` and rebuilt your app.'
export const OauthClientReactNative = (NativeModule as null) || {
getRandomValues(_length: number): Uint8Array {
throw new Error(LINKING_ERROR)
},
/**
* @throws if the algorithm is not supported ("sha256" must be supported)
*/
async digest(_bytes: Uint8Array, _algorithm: string): Promise<Uint8Array> {
throw new Error(LINKING_ERROR)
},
/**
* Create a private JWK for the given algorithm. The JWK should have a "use"
* an does not need a "kid" property.
*
* @throws if the algorithm is not supported ("ES256" must be supported)
*/
async generateJwk(_algo: string): Promise<{publicKey: Key; privateKey: Key}> {
throw new Error(LINKING_ERROR)
},
async createJwt(
_header: unknown,
_payload: unknown,
_jwk: unknown,
): Promise<Jwt> {
throw new Error(LINKING_ERROR)
},
async verifyJwt(
_token: Jwt,
_jwk: Jwk,
): Promise<{
payload: string // this is a JSON response to make Swift a bit easier to work with
protectedHeader: Record<string, unknown>
}> {
throw new Error(LINKING_ERROR)
},
}
@@ -0,0 +1,27 @@
import {CryptoImplementation, DigestAlgorithm, Key} from '@atproto/oauth-client'
import {OauthClientReactNative} from './oauth-client-react-native'
import {ReactNativeKey} from './react-native-key'
export class ReactNativeCryptoImplementation implements CryptoImplementation {
async createKey(algs: string[]): Promise<Key> {
const bytes = await this.getRandomValues(12)
const kid = Array.from(bytes, byteToHex).join('')
return await ReactNativeKey.generate(kid, algs)
}
async getRandomValues(length: number): Promise<Uint8Array> {
return OauthClientReactNative.getRandomValues(length)
}
async digest(
bytes: Uint8Array,
algorithm: DigestAlgorithm,
): Promise<Uint8Array> {
return OauthClientReactNative.digest(bytes, algorithm.name)
}
}
function byteToHex(b: number): string {
return b.toString(16).padStart(2, '0')
}
@@ -0,0 +1,120 @@
import {
jwkValidator,
Jwt,
JwtHeader,
JwtPayload,
jwtPayloadSchema,
Key,
VerifyOptions,
VerifyPayload,
VerifyResult,
} from '@atproto/jwk'
import {OauthClientReactNative} from './oauth-client-react-native'
export class ReactNativeKey extends Key {
static async generate(kid: string, allowedAlgos: string[]) {
for (const algo of allowedAlgos) {
try {
// Note: OauthClientReactNative.generatePrivateJwk should throw if it
// doesn't support the algorithm.
const res = await OauthClientReactNative.generateJwk(algo)
const jwk = res.privateKey
const use = jwk.use || 'sig'
return new ReactNativeKey(jwkValidator.parse({...jwk, use, kid}))
} catch {
// Ignore, try next one
}
}
throw new Error('No supported algorithms')
}
async createJwt(header: JwtHeader, payload: JwtPayload): Promise<Jwt> {
return OauthClientReactNative.createJwt(header, payload, this.jwk)
}
async verifyJwt<
P extends VerifyPayload = JwtPayload,
C extends string = string,
>(token: Jwt, options?: VerifyOptions<C>): Promise<VerifyResult<P, C>> {
const result = await OauthClientReactNative.verifyJwt(token, this.jwk)
// TODO see if we can make these `undefined` or maybe update zod to allow `nullable()`
let payloadParsed = JSON.parse(result.payload)
payloadParsed = Object.fromEntries(
Object.entries(payloadParsed as object).filter(([_, v]) => v !== null),
)
const payload = jwtPayloadSchema.parse(payloadParsed)
// We don't need to validate this, because the native types ensure it is correct. But this is a TODO
// for the same reason above
const protectedHeader = result.protectedHeader
if (options?.audience != null) {
const audience = Array.isArray(options.audience)
? options.audience
: [options.audience]
if (!audience.includes(payload.aud)) {
throw new Error('Invalid audience')
}
}
if (options?.issuer != null) {
const issuer = Array.isArray(options.issuer)
? options.issuer
: [options.issuer]
if (!issuer.includes(payload.iss)) {
throw new Error('Invalid issuer')
}
}
if (options?.subject != null && payload.sub !== options.subject) {
throw new Error('Invalid subject')
}
if (options?.typ != null && protectedHeader.typ !== options.typ) {
throw new Error('Invalid type')
}
if (options?.requiredClaims != null) {
for (const key of options.requiredClaims) {
if (
!Object.hasOwn(payload, key) ||
(payload as Record<string, unknown>)[key] === undefined
) {
throw new Error(`Missing claim: ${key}`)
}
}
}
console.log(payload)
if (payload.iat == null) {
throw new Error('Missing issued at')
}
const now = (options?.currentDate?.getTime() ?? Date.now()) / 1e3
const clockTolerance = options?.clockTolerance ?? 0
if (options?.maxTokenAge != null) {
if (payload.iat < now - options.maxTokenAge + clockTolerance) {
throw new Error('Invalid issued at')
}
}
if (payload.nbf != null) {
if (payload.nbf > now - clockTolerance) {
throw new Error('Invalid not before')
}
}
if (payload.exp != null) {
if (payload.exp < now + clockTolerance) {
throw new Error('Invalid expiration')
}
}
return {payload, protectedHeader} as VerifyResult<P, C>
}
}
@@ -0,0 +1,51 @@
import {GenericStore, Value} from '@atproto/caching'
import {Jwk} from '@atproto/jwk'
import {ReactNativeKey} from './react-native-key'
import {ReactNativeStore} from './react-native-store'
type ExposedValue = Value & {dpopKey: ReactNativeKey}
type StoredValue<V extends ExposedValue> = Omit<V, 'dpopKey'> & {
dpopKey: Jwk
}
/**
* Uses a {@link ReactNativeStore} to store values that contain a
* {@link ReactNativeKey} as `dpopKey` property. This works by serializing the
* {@link Key} to a JWK before storing it, and deserializing it back to a
* {@link ReactNativeKey} when retrieving the value.
*/
export class ReactNativeStoreWithKey<V extends ExposedValue>
implements GenericStore<string, V>
{
internalStore: ReactNativeStore<StoredValue<V>>
constructor(
protected valueExpiresAt: (value: StoredValue<V>) => null | Date,
) {
this.internalStore = new ReactNativeStore(valueExpiresAt)
}
async set(key: string, value: V): Promise<void> {
const {dpopKey, ...rest} = value
if (!dpopKey.privateJwk) throw new Error('dpopKey.privateJwk is required')
await this.internalStore.set(key, {
...rest,
dpopKey: dpopKey.privateJwk,
})
}
async get(key: string): Promise<V | undefined> {
const value = await this.internalStore.get(key)
if (!value) return undefined
return {
...value,
dpopKey: new ReactNativeKey(value.dpopKey),
} as V
}
async del(key: string): Promise<void> {
await this.internalStore.del(key)
}
}
@@ -0,0 +1,25 @@
import {GenericStore, Value} from '@atproto/caching'
import Storage from '@react-native-async-storage/async-storage'
export class ReactNativeStore<V extends Value>
implements GenericStore<string, V>
{
constructor(protected valueExpiresAt: (value: V) => null | Date) {
throw new Error('Not implemented')
}
async get(key: string): Promise<V | undefined> {
const itemJson = await Storage.getItem(key)
if (itemJson == null) return undefined
return JSON.parse(itemJson) as V
}
async set(key: string, value: V): Promise<void> {
await Storage.setItem(key, JSON.stringify(value))
}
async del(key: string): Promise<void> {
await Storage.removeItem(key)
}
}
@@ -1,86 +0,0 @@
import {requireNativeModule} from 'expo-modules-core'
import {Jwk, jwkSchema} from '@atproto/jwk'
import {JoseKey} from './jose-key'
import {CryptoKey, NativeJWKKey} from './native-types'
const NativeModule = requireNativeModule('ExpoBlueskyOAuthClient')
interface CryptoKeyPair {
privateKey: CryptoKey
publicKey: CryptoKey
}
interface NativeJWKKeyPair {
privateKey: NativeJWKKey
publicKey: NativeJWKKey
}
export class RnCryptoKey extends JoseKey {
static async generate(
kid: string | undefined,
_: string[] = ['ES256'],
__ = false,
) {
const {privateKey, publicKey} = await NativeModule.generateKeyPair(kid)
const nativeKeyPair = {
privateKey: JSON.parse(privateKey),
publicKey: JSON.parse(publicKey),
}
return this.fromKeypair(nativeKeyPair.privateKey.kid, nativeKeyPair)
}
static fromKeypair(kid: string, cryptoKeyPair: NativeJWKKeyPair) {
const use = cryptoKeyPair.privateKey.use ?? 'sig'
const alg = cryptoKeyPair.privateKey.alg ?? 'ES256'
if (use !== 'sig') {
throw new TypeError('Unsupported JWK use')
}
const webCryptoKeyPair: CryptoKeyPair = {
privateKey: {
algorithm: {
name: 'ECDSA',
namedCurve: 'P-256',
},
extractable: true,
type: 'private',
usages: ['sign'],
},
publicKey: {
algorithm: {
name: 'ECDSA',
namedCurve: 'P-256',
},
extractable: true,
type: 'public',
usages: ['verify'],
},
}
return new RnCryptoKey(
jwkSchema.parse({...cryptoKeyPair.privateKey, use, kid, alg}),
webCryptoKeyPair,
)
}
constructor(jwk: Jwk, readonly cryptoKeyPair: CryptoKeyPair) {
super(jwk)
}
get isPrivate() {
return true
}
get privateJwk(): Jwk | undefined {
if (super.isPrivate) return this.jwk
throw new Error('Private key is not exportable.')
}
protected async getKey() {
return this.cryptoKeyPair.privateKey
}
}
@@ -1,78 +0,0 @@
import {Jwk, jwkSchema} from '@atproto/jwk'
import {JoseKey} from '@atproto/jwk-jose'
import {CryptoKey} from './native-types'
import {generateKeyPair, isSignatureKeyPair} from './util.web'
// @ts-ignore web only, stops warnings for crypto being missing
const crypto = global.crypto
// Global has this, but this stops the warnings
interface CryptoKeyPair {
privateKey: CryptoKey
publicKey: CryptoKey
}
export class RNCryptoKey extends JoseKey {
static async generate(
kid: string = crypto.randomUUID(),
allowedAlgos: string[] = ['ES256'],
exportable = false,
) {
const cryptoKeyPair: CryptoKeyPair = await generateKeyPair(
allowedAlgos,
exportable,
)
return this.fromKeypair(kid, cryptoKeyPair)
}
static async fromKeypair(
kid: string,
cryptoKeyPair: CryptoKeyPair,
): Promise<RNCryptoKey> {
if (!isSignatureKeyPair(cryptoKeyPair)) {
throw new TypeError('CryptoKeyPair must be compatible with sign/verify')
}
// https://datatracker.ietf.org/doc/html/rfc7517
// > The "use" and "key_ops" JWK members SHOULD NOT be used together; [...]
// > Applications should specify which of these members they use.
// eslint-disable-next-line @typescript-eslint/no-unused-vars
const {key_ops: _, ...jwk} = await crypto.subtle.exportKey(
'jwk',
cryptoKeyPair.privateKey.extractable
? cryptoKeyPair.privateKey
: cryptoKeyPair.publicKey,
)
const use = jwk.use ?? 'sig'
const alg = jwk.alg ?? 'ES256'
if (use !== 'sig') {
throw new TypeError('Unsupported JWK use')
}
return new RNCryptoKey(
jwkSchema.parse({...jwk, use, kid, alg}),
cryptoKeyPair,
)
}
constructor(jwk: Jwk, readonly cryptoKeyPair: CryptoKeyPair) {
super(jwk)
}
get isPrivate() {
return true
}
get privateJwk(): Jwk | undefined {
if (super.isPrivate) return this.jwk
throw new Error('Private key is not exportable.')
}
protected async getKey() {
return this.cryptoKeyPair.privateKey
}
}
@@ -1,149 +0,0 @@
import {Fetch} from '@atproto/fetch'
import {UniversalIdentityResolver} from '@atproto/identity-resolver'
import {
OAuthAuthorizeOptions,
OAuthClientFactory,
OAuthResponseMode,
OAuthResponseType,
Session,
} from '@atproto/oauth-client'
import {OAuthClientMetadata} from '@atproto/oauth-client-metadata'
import {IsomorphicOAuthServerMetadataResolver} from '@atproto/oauth-server-metadata-resolver'
import {CryptoSubtle} from './crypto-subtle'
import {DatabaseStore, RNOAuthDatabase} from './rn-oauth-database'
export type RNOAuthClientOptions = {
responseMode?: OAuthResponseMode
responseType?: OAuthResponseType
clientMetadata: OAuthClientMetadata
fetch?: Fetch
crypto?: Crypto
}
const POPUP_KEY_PREFIX = '@@oauth-popup-callback:'
export class RNOAuthClientFactory extends OAuthClientFactory {
readonly sessionStore: DatabaseStore<Session>
constructor({
clientMetadata,
// "fragment" is safer as it is not sent to the server
responseMode = 'fragment',
responseType,
crypto,
fetch = globalThis.fetch,
}: RNOAuthClientOptions) {
const database = new RNOAuthDatabase()
super({
clientMetadata,
responseMode,
responseType,
fetch,
cryptoImplementation: new CryptoSubtle(),
sessionStore: database.getSessionStore(),
stateStore: database.getStateStore(),
metadataResolver: new IsomorphicOAuthServerMetadataResolver({
fetch,
cache: database.getMetadataCache(),
}),
identityResolver: UniversalIdentityResolver.from({
fetch,
didCache: database.getDidCache(),
handleCache: database.getHandleCache(),
plcDirectoryUrl: 'http://localhost:2582', // dev-env
atprotoLexiconUrl: 'http://localhost:2584', // dev-env (bsky appview)
}),
dpopNonceCache: database.getDpopNonceCache(),
})
this.sessionStore = database.getSessionStore()
}
async restoreAll() {
const sessionIds = await this.sessionStore.getKeys()
return Object.fromEntries(
await Promise.all(
sessionIds.map(
async sessionId =>
[sessionId, await this.restore(sessionId, false)] as const,
),
),
)
}
async init(sessionId?: string, forceRefresh = false) {
const signInResult = await this.signInCallback()
if (signInResult) {
return signInResult
} else if (sessionId) {
const client = await this.restore(sessionId, forceRefresh)
return {client}
} else {
// TODO: we could restore any session from the store ?
}
}
async signIn(input: string, options?: OAuthAuthorizeOptions) {
return await this.authorize(input, options)
}
async signInCallback() {
const redirectUri = new URL(this.clientMetadata.redirect_uris[0])
if (location.pathname !== redirectUri.pathname) return null
const params =
this.responseMode === 'query'
? new URLSearchParams(location.search)
: new URLSearchParams(location.hash.slice(1))
// Only if the query string contains oauth callback params
if (
!params.has('iss') ||
!params.has('state') ||
!(params.has('code') || params.has('error'))
) {
return null
}
// Replace the current history entry without the query string (this will
// prevent this 'if' branch to run again if the user refreshes the page)
history.replaceState(null, '', location.pathname)
return this.callback(params)
.then(async result => {
if (result.state?.startsWith(POPUP_KEY_PREFIX)) {
const stateKey = result.state.slice(POPUP_KEY_PREFIX.length)
await this.popupStore.set(stateKey, {
status: 'fulfilled',
value: result.client.sessionId,
})
window.close() // continued in signInPopup
throw new Error('Login complete, please close the popup window.')
}
return result
})
.catch(async err => {
// TODO: Throw a proper error from parent class to actually detect
// oauth authorization errors
const state = typeof (err as any)?.state
if (typeof state === 'string' && state?.startsWith(POPUP_KEY_PREFIX)) {
const stateKey = state.slice(POPUP_KEY_PREFIX.length)
await this.popupStore.set(stateKey, {
status: 'rejected',
reason: err,
})
window.close() // continued in signInPopup
throw new Error('Login complete, please close the popup window.')
}
throw err
})
}
}
@@ -1,153 +0,0 @@
import {Fetch} from '@atproto/fetch'
import {UniversalIdentityResolver} from '@atproto/identity-resolver'
import {
OAuthAuthorizeOptions,
OAuthClientFactory,
OAuthResponseMode,
OAuthResponseType,
Session,
} from '@atproto/oauth-client'
import {OAuthClientMetadata} from '@atproto/oauth-client-metadata'
import IsomorphicOAuthServerMetadataResolver from '@atproto/oauth-server-metadata-resolver'
import {CryptoSubtle} from './crypto-subtle'
import {
DatabaseStore,
PopupStateData,
RNOAuthDatabase,
} from './rn-oauth-database'
export type RNOAuthClientOptions = {
responseMode?: OAuthResponseMode
responseType?: OAuthResponseType
clientMetadata: OAuthClientMetadata
fetch?: Fetch
crypto?: Crypto
}
const POPUP_KEY_PREFIX = '@@oauth-popup-callback:'
export class RNOAuthClientFactory extends OAuthClientFactory {
readonly popupStore: DatabaseStore<PopupStateData>
readonly sessionStore: DatabaseStore<Session>
constructor({
clientMetadata,
// "fragment" is safer as it is not sent to the server
responseMode = 'fragment',
responseType,
crypto = globalThis.crypto,
fetch = globalThis.fetch,
}: RNOAuthClientOptions) {
const database = new RNOAuthDatabase()
super({
clientMetadata,
responseMode,
responseType,
fetch,
cryptoImplementation: new CryptoSubtle(crypto),
sessionStore: database.getSessionStore(),
stateStore: database.getStateStore(),
metadataResolver: new IsomorphicOAuthServerMetadataResolver({
fetch,
cache: database.getMetadataCache(),
}),
identityResolver: UniversalIdentityResolver.from({
fetch,
didCache: database.getDidCache(),
handleCache: database.getHandleCache(),
}),
dpopNonceCache: database.getDpopNonceCache(),
})
this.sessionStore = database.getSessionStore()
this.popupStore = database.getPopupStore()
}
async restoreAll() {
const sessionIds = await this.sessionStore.getKeys()
return Object.fromEntries(
await Promise.all(
sessionIds.map(
async sessionId =>
[sessionId, await this.restore(sessionId, false)] as const,
),
),
)
}
async init(sessionId?: string, forceRefresh = false) {
const signInResult = await this.signInCallback()
if (signInResult) {
return signInResult
} else if (sessionId) {
const client = await this.restore(sessionId, forceRefresh)
return {client}
} else {
// TODO: we could restore any session from the store ?
}
}
async signIn(input: string, options?: OAuthAuthorizeOptions) {
return await this.authorize(input, options)
}
async signInCallback() {
const redirectUri = new URL(this.clientMetadata.redirect_uris[0])
if (location.pathname !== redirectUri.pathname) return null
const params =
this.responseMode === 'query'
? new URLSearchParams(location.search)
: new URLSearchParams(location.hash.slice(1))
// Only if the query string contains oauth callback params
if (
!params.has('iss') ||
!params.has('state') ||
!(params.has('code') || params.has('error'))
) {
return null
}
// Replace the current history entry without the query string (this will
// prevent this 'if' branch to run again if the user refreshes the page)
history.replaceState(null, '', location.pathname)
return this.callback(params)
.then(async result => {
if (result.state?.startsWith(POPUP_KEY_PREFIX)) {
const stateKey = result.state.slice(POPUP_KEY_PREFIX.length)
await this.popupStore.set(stateKey, {
status: 'fulfilled',
value: result.client.sessionId,
})
window.close() // continued in signInPopup
throw new Error('Login complete, please close the popup window.')
}
return result
})
.catch(async err => {
// TODO: Throw a proper error from parent class to actually detect
// oauth authorization errors
const state = typeof (err as any)?.state
if (typeof state === 'string' && state?.startsWith(POPUP_KEY_PREFIX)) {
const stateKey = state.slice(POPUP_KEY_PREFIX.length)
await this.popupStore.set(stateKey, {
status: 'rejected',
reason: err,
})
window.close() // continued in signInPopup
throw new Error('Login complete, please close the popup window.')
}
throw err
})
}
}
@@ -1,214 +0,0 @@
import {GenericStore, Value} from '@atproto/caching'
import {DidDocument} from '@atproto/did'
import {ResolvedHandle} from '@atproto/handle-resolver'
import {Key} from '@atproto/jwk'
import {WebcryptoKey} from '@atproto/jwk-webcrypto'
import {InternalStateData, Session, TokenSet} from '@atproto/oauth-client'
import {OAuthServerMetadata} from '@atproto/oauth-server-metadata'
import Storage from '@react-native-async-storage/async-storage'
type Item<T> = {
value: string
expiresAt: null | Date
}
type EncodedKey = {
keyId: string
keyPair: CryptoKeyPair
}
function encodeKey(key: Key): EncodedKey {
if (!key.kid) {
throw new Error('Invalid key object')
}
return {
keyId: key.kid,
keyPair: key.cryptoKeyPair,
}
}
async function decodeKey(encoded: EncodedKey): Promise<Key> {
return WebcryptoKey.fromKeypair(encoded.keyId, encoded.keyPair)
}
export type Schema = {
state: Item<{
dpopKey: EncodedKey
iss: string
nonce: string
verifier?: string
appState?: string
}>
session: Item<{
dpopKey: EncodedKey
tokenSet: TokenSet
}>
didCache: Item<DidDocument>
dpopNonceCache: Item<string>
handleCache: Item<ResolvedHandle>
metadataCache: Item<OAuthServerMetadata>
}
export type DatabaseStore<V extends Value> = GenericStore<string, V> & {
getKeys: () => Promise<string[]>
}
const STORES = [
'state',
'session',
'didCache',
'dpopNonceCache',
'handleCache',
'metadataCache',
] as const
export class RNOAuthDatabase {
async delete(key: string) {
await Storage.removeItem(key)
}
protected createStore<N extends keyof Schema, V extends Value>(
dbName: N,
{
encode,
decode,
maxAge,
}: {
encode: (value: V) => Schema[N]['value'] | PromiseLike<Schema[N]['value']>
decode: (encoded: Schema[N]['value']) => V | PromiseLike<V>
maxAge?: number
},
): DatabaseStore<V> {
return {
get: async key => {
const itemJson = await Storage.getItem(`${dbName}.${key}`)
if (itemJson == null) return undefined
const item = JSON.parse(itemJson) as Schema[N]
// Too old, proactively delete
if (item.expiresAt != null && item.expiresAt < new Date()) {
await this.delete(`${dbName}.${key}`)
return undefined
}
// Item found and valid. Decode
return decode(item.value)
},
getKeys: async () => {
const keys = await Storage.getAllKeys()
return keys.filter(key => key.startsWith(`${dbName}.`)) as string[]
},
set: async (key, value) => {
const item = {
value: await encode(value),
expiresAt: maxAge == null ? null : new Date(Date.now() + maxAge),
} as Schema[N]
await Storage.setItem(`${dbName}.${key}`, JSON.stringify(item))
},
del: async key => {
await this.delete(`${dbName}.${key}`)
},
}
}
getSessionStore(): DatabaseStore<Session> {
return this.createStore('session', {
encode: ({dpopKey, ...session}) => ({
...session,
dpopKey: encodeKey(dpopKey),
}),
decode: async ({dpopKey, ...encoded}) => ({
...encoded,
dpopKey: await decodeKey(dpopKey),
}),
})
}
getStateStore(): DatabaseStore<InternalStateData> {
return this.createStore('state', {
encode: ({dpopKey, ...session}) => ({
...session,
dpopKey: encodeKey(dpopKey),
}),
decode: async ({dpopKey, ...encoded}) => ({
...encoded,
dpopKey: await decodeKey(dpopKey),
}),
})
}
getDpopNonceCache(): undefined | DatabaseStore<string> {
return this.createStore('dpopNonceCache', {
// No time limit. It is better to try with a potentially outdated nonce
// and potentially succeed rather than make requests without a nonce and
// 100% fail.
encode: value => value,
decode: encoded => encoded,
})
}
getDidCache(): undefined | DatabaseStore<DidDocument> {
return this.createStore('didCache', {
maxAge: 60e3,
encode: value => value,
decode: encoded => encoded,
})
}
getHandleCache(): undefined | DatabaseStore<ResolvedHandle> {
return this.createStore('handleCache', {
maxAge: 60e3,
encode: value => value,
decode: encoded => encoded,
})
}
getMetadataCache(): undefined | DatabaseStore<OAuthServerMetadata> {
return this.createStore('metadataCache', {
maxAge: 60e3,
encode: value => value,
decode: encoded => encoded,
})
}
async cleanup() {
await Promise.all(
STORES.map(
async storeName =>
[
storeName,
await tx
.objectStore(storeName)
.index('expiresAt')
.getAllKeys(query),
] as const,
),
)
const storesWithInvalidKeys = res.filter(r => r[1].length > 0)
await db.transaction(
storesWithInvalidKeys.map(r => r[0]),
'readwrite',
tx =>
Promise.all(
storesWithInvalidKeys.map(async ([name, keys]) =>
tx.objectStore(name).delete(keys),
),
),
)
}
async [Symbol.asyncDispose]() {
await this.cleanup()
}
}
@@ -1,269 +0,0 @@
import {GenericStore, Value} from '@atproto/caching'
import {DidDocument} from '@atproto/did'
import {ResolvedHandle} from '@atproto/handle-resolver'
import {DB, DBObjectStore} from '@atproto/indexed-db'
import {Key} from '@atproto/jwk'
import {WebcryptoKey} from '@atproto/jwk-webcrypto'
import {InternalStateData, Session, TokenSet} from '@atproto/oauth-client'
import {OAuthServerMetadata} from '@atproto/oauth-server-metadata'
type Item<V> = {
value: V
expiresAt: null | Date
}
type EncodedKey = {
keyId: string
keyPair: CryptoKeyPair
}
function encodeKey(key: Key): EncodedKey {
if (!(key instanceof WebcryptoKey) || !key.kid) {
throw new Error('Invalid key object')
}
return {
keyId: key.kid,
keyPair: key.cryptoKeyPair,
}
}
async function decodeKey(encoded: EncodedKey): Promise<Key> {
return WebcryptoKey.fromKeypair(encoded.keyId, encoded.keyPair)
}
export type PopupStateData =
| PromiseRejectedResult
| PromiseFulfilledResult<string>
export type Schema = {
popup: Item<PopupStateData>
state: Item<{
dpopKey: EncodedKey
iss: string
nonce: string
verifier?: string
appState?: string
}>
session: Item<{
dpopKey: EncodedKey
tokenSet: TokenSet
}>
didCache: Item<DidDocument>
dpopNonceCache: Item<string>
handleCache: Item<ResolvedHandle>
metadataCache: Item<OAuthServerMetadata>
}
export type DatabaseStore<V extends Value> = GenericStore<string, V> & {
getKeys: () => Promise<string[]>
}
const STORES = [
'popup',
'state',
'session',
'didCache',
'dpopNonceCache',
'handleCache',
'metadataCache',
] as const
export class RNOAuthDatabase {
#dbPromise = DB.open<Schema>(
'@atproto-oauth-client',
[
db => {
for (const name of STORES) {
const store = db.createObjectStore(name)
store.createIndex('expiresAt', 'expiresAt', {unique: false})
}
},
],
{durability: 'strict'},
)
protected async run<N extends keyof Schema, R>(
storeName: N,
mode: 'readonly' | 'readwrite',
fn: (s: DBObjectStore<Schema[N]>) => R | Promise<R>,
): Promise<R> {
const db = await this.#dbPromise
return await db.transaction([storeName], mode, tx =>
fn(tx.objectStore(storeName)),
)
}
protected createStore<N extends keyof Schema, V extends Value>(
name: N,
{
encode,
decode,
maxAge,
}: {
encode: (value: V) => Schema[N]['value'] | PromiseLike<Schema[N]['value']>
decode: (encoded: Schema[N]['value']) => V | PromiseLike<V>
maxAge?: number
},
): DatabaseStore<V> {
return {
get: async key => {
// Find item in store
const item = await this.run(name, 'readonly', dbStore => {
return dbStore.get(key)
})
// Not found
if (item === undefined) return undefined
// Too old, proactively delete
if (item.expiresAt != null && item.expiresAt < new Date()) {
await this.run(name, 'readwrite', dbStore => {
return dbStore.delete(key)
})
return undefined
}
// Item found and valid. Decode
return decode(item.value)
},
getKeys: async () => {
const keys = await this.run(name, 'readonly', dbStore => {
return dbStore.getAllKeys()
})
return keys.filter(key => typeof key === 'string') as string[]
},
set: async (key, value) => {
// Create encoded item record
const item = {
value: await encode(value),
expiresAt: maxAge == null ? null : new Date(Date.now() + maxAge),
} as Schema[N]
// Store item record
await this.run(name, 'readwrite', dbStore => {
return dbStore.put(item, key)
})
},
del: async key => {
// Delete
await this.run(name, 'readwrite', dbStore => {
return dbStore.delete(key)
})
},
}
}
getSessionStore(): DatabaseStore<Session> {
return this.createStore('session', {
encode: ({dpopKey, ...session}) => ({
...session,
dpopKey: encodeKey(dpopKey),
}),
decode: async ({dpopKey, ...encoded}) => ({
...encoded,
dpopKey: await decodeKey(dpopKey),
}),
})
}
getStateStore(): DatabaseStore<InternalStateData> {
return this.createStore('state', {
encode: ({dpopKey, ...session}) => ({
...session,
dpopKey: encodeKey(dpopKey),
}),
decode: async ({dpopKey, ...encoded}) => ({
...encoded,
dpopKey: await decodeKey(dpopKey),
}),
})
}
getPopupStore(): DatabaseStore<PopupStateData> {
return this.createStore('popup', {
encode: value => value,
decode: encoded => encoded,
})
}
getDpopNonceCache(): undefined | DatabaseStore<string> {
return this.createStore('dpopNonceCache', {
// No time limit. It is better to try with a potentially outdated nonce
// and potentially succeed rather than make requests without a nonce and
// 100% fail.
encode: value => value,
decode: encoded => encoded,
})
}
getDidCache(): undefined | DatabaseStore<DidDocument> {
return this.createStore('didCache', {
maxAge: 60e3,
encode: value => value,
decode: encoded => encoded,
})
}
getHandleCache(): undefined | DatabaseStore<ResolvedHandle> {
return this.createStore('handleCache', {
maxAge: 60e3,
encode: value => value,
decode: encoded => encoded,
})
}
getMetadataCache(): undefined | DatabaseStore<OAuthServerMetadata> {
return this.createStore('metadataCache', {
maxAge: 60e3,
encode: value => value,
decode: encoded => encoded,
})
}
async cleanup() {
const db = await this.#dbPromise
const query = IDBKeyRange.lowerBound(new Date())
const res = await db.transaction(STORES, 'readonly', tx =>
Promise.all(
STORES.map(
async storeName =>
[
storeName,
await tx
.objectStore(storeName)
.index('expiresAt')
.getAllKeys(query),
] as const,
),
),
)
const storesWithInvalidKeys = res.filter(r => r[1].length > 0)
await db.transaction(
storesWithInvalidKeys.map(r => r[0]),
'readwrite',
tx =>
Promise.all(
storesWithInvalidKeys.map(async ([name, keys]) =>
tx.objectStore(name).delete(keys),
),
),
)
}
async [Symbol.asyncDispose]() {
// TODO: call cleanup at a constant interval ?
await this.cleanup()
const db = await this.#dbPromise
await (db[Symbol.asyncDispose] || db[Symbol.dispose]).call(db)
}
}
@@ -1,41 +0,0 @@
// @ts-ignore web only, this silences errors throughout the whole file for crypto being missing
const crypto = global.crypto
export async function generateKeyPair(algs: string[], extractable = false) {
const errors: unknown[] = []
try {
return await crypto.subtle.generateKey(
{
name: 'ECDSA',
namedCurve: `P-256`,
},
extractable,
['sign', 'verify'],
)
} catch (err) {
errors.push(err)
}
console.log(errors)
throw new AggregateError(errors, 'Failed to generate keypair')
}
export function isSignatureKeyPair(
v: unknown,
extractable?: boolean,
): v is CryptoKeyPair {
return (
typeof v === 'object' &&
v !== null &&
'privateKey' in v &&
v.privateKey instanceof CryptoKey &&
v.privateKey.type === 'private' &&
(extractable == null || v.privateKey.extractable === extractable) &&
v.privateKey.usages.includes('sign') &&
'publicKey' in v &&
v.publicKey instanceof CryptoKey &&
v.publicKey.type === 'public' &&
v.publicKey.extractable === true &&
v.publicKey.usages.includes('verify')
)
}
-13
View File
@@ -19,7 +19,6 @@ import {Pager, PagerRef, RenderTabBarFnProps} from 'view/com/pager/Pager'
import {CustomFeedEmptyState} from 'view/com/posts/CustomFeedEmptyState'
import {FollowingEmptyState} from 'view/com/posts/FollowingEmptyState'
import {FollowingEndOfFeed} from 'view/com/posts/FollowingEndOfFeed'
import {RnCryptoKey} from '../../../modules/expo-bluesky-oauth-client'
import {HomeLoggedOutCTA} from '../com/auth/HomeLoggedOutCTA'
import {HomeHeader} from '../com/home/HomeHeader'
@@ -52,18 +51,6 @@ function HomeScreenReady({
preferences: UsePreferencesQueryResponse
pinnedFeedInfos: FeedSourceInfo[]
}) {
React.useEffect(() => {
;(async () => {
const key = await RnCryptoKey.generate(undefined, ['ES256'], false)
console.log('public', key.publicJwk)
const jwt = await key.createJwt(
{alg: 'ES256', kid: key.kid},
{sub: 'test'},
)
console.log(jwt)
})()
}, [])
const allFeeds = React.useMemo(() => {
const feeds: FeedDescriptor[] = []
feeds.push('home')