Dheerajkumar/coop-mobile
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feat: Add support for NIP-55 (#18)

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Reviewed-on: https://git.reya.su/reya/coop-mobile/pulls/18
This commit is contained in:
reya
2026-06-09 07:53:48 +00:00
parent 6a69d3a5b2
commit 0d6b92b0c7
11 changed files with 433 additions and 46 deletions
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shared/src/commonMain/kotlin/su/reya/coop/NostrViewModel.kt
+86 -30
View File
@@ -44,7 +44,8 @@ import kotlin.time.Duration.Companion.seconds
class NostrViewModel(
private val nostr: Nostr,
private val secretStore: SecretStorage
private val secretStore: SecretStorage,
private val externalSignerHandler: ExternalSignerHandler? = null,
) : ViewModel() {
private val _isNotificationBannerDismissed = MutableStateFlow(false)
val isNotificationBannerDismissed = _isNotificationBannerDismissed.asStateFlow()
@@ -52,8 +53,8 @@ class NostrViewModel(
private val _signerRequired = MutableStateFlow<Boolean?>(null)
val signerRequired = _signerRequired.asStateFlow()
private val _isLoggedIn = MutableStateFlow(false)
val isLoggedIn = _isLoggedIn.asStateFlow()
private val _isBusy = MutableStateFlow(false)
val isBusy = _isBusy.asStateFlow()
private val _isPartialProcessedGiftWrap = MutableStateFlow(false)
val isPartialProcessedGiftWrap = _isPartialProcessedGiftWrap.asStateFlow()
@@ -371,20 +372,6 @@ class NostrViewModel(
return keys
}
private suspend fun createSigner(secret: String): AsyncNostrSigner {
return when {
secret.startsWith("nsec1") -> Keys.parse(secret)
secret.startsWith("bunker://") -> {
val appKeys = getOrInitAppKeys()
val bunker = NostrConnectUri.parse(secret)
val timeout = 50.seconds // or Duration.parse("50s")
NostrConnect(uri = bunker, appKeys, timeout, null)
}
else -> throw IllegalArgumentException("Invalid secret format")
}
}
private suspend fun blossomUpload(file: ByteArray, contentType: String): String? {
try {
// Upload picture to Blossom
@@ -420,16 +407,16 @@ class NostrViewModel(
picture: ByteArray? = null,
contentType: String? = null
) {
_isLoggedIn.value = true
_isBusy.value = true
try {
val avatarUrl = picture?.let { blossomUpload(it, contentType ?: "image/jpeg") }
val newMetadata = nostr.updateProfile(name, bio, avatarUrl)
// Update the metadata state after successfully published
updateMetadata(nostr.signer.currentUser!!, newMetadata)
// Update local state
_isBusy.value = false
} catch (e: Exception) {
showError("Error: ${e.message}")
} finally {
_isLoggedIn.value = false
}
}
@@ -439,7 +426,7 @@ class NostrViewModel(
picture: ByteArray?,
contentType: String? = null
) {
_isLoggedIn.value = true
_isBusy.value = true
val keys = Keys.generate()
val secret = keys.secretKey().toBech32()
@@ -448,12 +435,41 @@ class NostrViewModel(
val avatarUrl = picture?.let { blossomUpload(it, contentType ?: "image/jpeg") }
// Create identity
nostr.createIdentity(keys = keys, name = name, bio, picture = avatarUrl)
// Persist the secret in the secret storage
secretStore.set("user_signer", secret)
// Update local states
_isBusy.value = false
_signerRequired.value = false
} catch (e: Exception) {
showError("Error: ${e.message}")
} finally {
secretStore.set("user_signer", secret)
_isLoggedIn.value = false
_signerRequired.value = false
}
}
private suspend fun createSigner(secret: String): AsyncNostrSigner {
return when {
secret.startsWith("nsec1") -> Keys.parse(secret)
secret.startsWith("bunker://") -> {
val appKeys = getOrInitAppKeys()
val bunker = NostrConnectUri.parse(secret)
val timeout = 50.seconds // or Duration.parse("50s")
NostrConnect(uri = bunker, appKeys, timeout, null)
}
secret.startsWith("nip55://") -> {
val handler = externalSignerHandler
?: throw IllegalStateException("External signer not available on this platform")
// Format: nip55://packageName/hexPubkey
val parts = secret.removePrefix("nip55://").split("/", limit = 2)
val packageName = parts[0]
val pubkey = PublicKey.parse(parts[1])
handler.setPackageName(packageName)
ExternalSignerProxy(handler, pubkey)
}
else -> throw IllegalArgumentException("Invalid secret format")
}
}
@@ -471,19 +487,59 @@ class NostrViewModel(
}
suspend fun importIdentity(secret: String) {
_isLoggedIn.value = true
_isBusy.value = true
try {
val signer = createSigner(secret)
// Update signer
nostr.setSigner(signer)
// Persist the secret in the secret storage
secretStore.set("user_signer", secret)
// Update local states
_signerRequired.value = false
_isBusy.value = false
} catch (e: Exception) {
showError("Error: ${e.message}")
} finally {
secretStore.set("user_signer", secret)
_signerRequired.value = false
_isLoggedIn.value = false
}
}
suspend fun connectExternalSigner() {
val handler = externalSignerHandler ?: throw IllegalStateException("Signer not available")
_isBusy.value = true
try {
val permissions = SignerPermissions.toJson(
listOf(
SignerPermissions.signEvent(0),
SignerPermissions.signEvent(3),
SignerPermissions.signEvent(10000),
SignerPermissions.signEvent(10050),
SignerPermissions.signEvent(10063),
SignerPermissions.signEvent(22242),
SignerPermissions.signEvent(30030),
SignerPermissions.signEvent(30315),
SignerPermissions.nip44Encrypt(),
SignerPermissions.nip44Decrypt(),
)
)
val result = handler.getPublicKey(permissions) ?: throw Exception("Rejected")
val signer = ExternalSignerProxy(handler, result.pubkey)
// Update signer
nostr.setSigner(signer)
// Store the signer in the secret storage
secretStore.set("user_signer", "nip55://${result.packageName}/${result.pubkey.toHex()}")
// Update local states
_signerRequired.value = false
_isBusy.value = false
} catch (e: Exception) {
throw Exception("Notice: ${e.message}")
}
}
fun isExternalSignerAvailable(): Boolean {
return externalSignerHandler?.isAvailable() == true
}
suspend fun useDefaultMsgRelayList() {
try {
val defaultRelays = nostr.getDefaultMsgRelayList()