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53 changes: 53 additions & 0 deletions
53
waltid-did/src/commonMain/kotlin/id/walt/did/dids/resolver/local/DidCheqdResolver.kt
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,53 @@ | ||
| package id.walt.did.dids.resolver.local | ||
|
|
||
| import id.walt.crypto.keys.Key | ||
| import id.walt.did.dids.document.DidCheqdDocument | ||
| import id.walt.did.dids.document.DidDocument | ||
| import io.ktor.client.* | ||
| import io.ktor.client.request.* | ||
| import io.ktor.client.statement.* | ||
| import kotlinx.coroutines.runBlocking | ||
| import kotlinx.serialization.json.Json | ||
| import kotlinx.serialization.json.JsonObject | ||
| import kotlinx.serialization.json.jsonObject | ||
| import kotlinx.serialization.json.jsonPrimitive | ||
|
|
||
| class DidCheqdResolver : LocalResolverMethod("cheqd") { | ||
| private val httpClient = HttpClient() //TODO: inject | ||
|
|
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| override suspend fun resolve(did: String): Result<DidDocument> = runCatching { | ||
| resolveDid(did) | ||
| } | ||
|
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| override suspend fun resolveToKey(did: String): Result<Key> { | ||
| TODO("Not yet implemented") | ||
| // response verificationMethod contains only publicKeyMultibase | ||
| // required: convert it to publicKeyJwk | ||
| // (no functionality provided by crypto, only multibase58btc available) | ||
| } | ||
|
|
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| private val json = Json() { ignoreUnknownKeys = true } | ||
|
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| private fun resolveDid(did: String): DidDocument { | ||
| val response = runBlocking { | ||
| httpClient.get("https://resolver.cheqd.net/1.0/identifiers/${did}") { | ||
| headers { | ||
| append("contentType", "application/did+ld+json") | ||
| } | ||
| }.bodyAsText() | ||
| } | ||
| val resolution = Json.decodeFromString<JsonObject>(response) | ||
|
|
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| val didDocument = resolution.jsonObject["didResolutionMetadata"]?.jsonObject?.get("error")?.let { | ||
| throw IllegalArgumentException("Could not resolve did:cheqd, resolver responded: ${it.jsonPrimitive.content}") | ||
| } ?: let { | ||
| resolution.jsonObject["didDocument"]?.jsonObject | ||
| ?: throw IllegalArgumentException("Response for did:cheqd did not contain a DID document!") | ||
| }.let { | ||
| json.decodeFromString<id.walt.did.dids.registrar.local.cheqd.models.job.didstates.finished.DidDocument>( | ||
| it.toString() | ||
| ) | ||
| } | ||
| return DidDocument(DidCheqdDocument(didDocument).toMap()) | ||
| } | ||
| } |
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61 changes: 61 additions & 0 deletions
61
waltid-did/src/jvmTest/kotlin/resolvers/DidCheqdResolverTest.kt
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,61 @@ | ||
| package resolvers | ||
|
|
||
| import id.walt.crypto.keys.Key | ||
| import id.walt.did.dids.document.DidDocument | ||
| import id.walt.did.dids.resolver.local.DidCheqdResolver | ||
| import id.walt.did.dids.resolver.local.LocalResolverMethod | ||
| import kotlinx.serialization.json.Json | ||
| import kotlinx.serialization.json.JsonObject | ||
| import org.junit.jupiter.api.Disabled | ||
| import org.junit.jupiter.params.ParameterizedTest | ||
| import org.junit.jupiter.params.provider.Arguments | ||
| import org.junit.jupiter.params.provider.Arguments.arguments | ||
| import org.junit.jupiter.params.provider.MethodSource | ||
| import java.util.stream.Stream | ||
|
|
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| class DidCheqdResolverTest : DidResolverTestBase() { | ||
| override val sut: LocalResolverMethod = DidCheqdResolver() | ||
|
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| @ParameterizedTest | ||
| @MethodSource | ||
| override fun `given a did String, when calling resolve, then the result is a valid did document`( | ||
| did: String, | ||
| key: JsonObject, | ||
| assert: resolverAssertion<DidDocument> | ||
| ) { | ||
| super.`given a did String, when calling resolve, then the result is a valid did document`(did, key, assert) | ||
| } | ||
|
|
||
| @ParameterizedTest | ||
| @MethodSource | ||
| @Disabled // not implemented | ||
| override fun `given a did String, when calling resolveToKey, then the result is valid key`( | ||
| did: String, | ||
| key: JsonObject, | ||
| assert: resolverAssertion<Key> | ||
| ) { | ||
| super.`given a did String, when calling resolveToKey, then the result is valid key`(did, key, assert) | ||
| } | ||
|
|
||
| companion object { | ||
| @JvmStatic | ||
| fun `given a did String, when calling resolve, then the result is a valid did document`(): Stream<Arguments> = | ||
| Stream.of( | ||
| arguments( | ||
| "did:cheqd:testnet:W5a3426DZ1f4qBkYC9ZT6s", | ||
| Json.decodeFromString<JsonObject>("{\"kty\":\"OKP\",\"use\":\"sig\",\"crv\":\"Ed25519\",\"kid\":\"151df6ec01714883b812f26f2d63e584\",\"x\":\"qBDsYw3k62mUT8UmEx99Xz3yckiSRmTsL6aa21ZcAVM\",\"alg\":\"EdDSA\"}"), | ||
| ed25519DidAssertions | ||
| ) | ||
| ) | ||
|
|
||
| @JvmStatic | ||
| fun `given a did String, when calling resolveToKey, then the result is valid key`(): Stream<Arguments> = | ||
| Stream.of( | ||
| arguments( | ||
| "did:cheqd:testnet:38088d21-a5f8-4277-bd35-b36918d81c14", | ||
| Json.decodeFromString<JsonObject>("{\"kty\":\"OKP\",\"d\":\"24WxHxiKpnd1_BitZBU57ex8EKaNukiyC4punO4Lh-s\",\"crv\":\"Ed25519\",\"kid\":\"GaQD9pzL5wJyATB1UA2J71ygXgkykT1QOnL7uIBgcpo\",\"x\":\"bz2K3xX-D_R2_Pu7al6UCRXGSl1pzBRfEoD3bj94s_w\"}"), | ||
| ed25519KeyAssertions | ||
| ) | ||
| ) | ||
| } | ||
| } |
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