org.stellar.walletsdk.auth.Data.kt Maven / Gradle / Ivy

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Kotlin Stellar Wallet SDK

There is a newer version: 1.7.2

@file:UseSerializers(InstantEpochSerializer::class)

package org.stellar.walletsdk.auth

import kotlin.io.encoding.Base64
import kotlinx.datetime.Instant
import kotlinx.serialization.SerialName
import kotlinx.serialization.Serializable
import kotlinx.serialization.Transient
import kotlinx.serialization.UseSerializers
import org.stellar.walletsdk.STRING_TRIM_LENGTH
import org.stellar.walletsdk.json.InstantEpochSerializer
import org.stellar.walletsdk.json.fromJson

@Serializable
data class ChallengeResponse(
  val transaction: String,
  @SerialName("network_passphrase") val networkPassphrase: String
)

@Serializable
data class AuthToken(
  @SerialName("iss") val issuer: String,
  @SerialName("sub") private val principalAccount: String,
  @SerialName("iat") val issuedAt: Instant,
  @SerialName("exp") val expiresAt: Instant,
  @SerialName("client_domain") val clientDomain: String? = null
) {
  @Transient // not jvm transient
  lateinit var token: String
  val account: String
    get() = principalAccount.split(":")[0]

  val memo: ULong?
    get() = parseMemo()

  private fun parseMemo(): ULong? {
    val spilt = principalAccount.split(":")

    return if (spilt.size != 2) {
      null
    } else {
      spilt[1].toULongOrNull()
    }
  }

  fun prettify(): String {
    return token.take(STRING_TRIM_LENGTH)
  }

  override fun toString(): String {
    return token
  }

  companion object {
    fun from(string: String): AuthToken {
      val parsed = String(Base64.decode(string.split(".")[1]))
      val token = parsed.fromJson()
      token.token = string
      return token
    }
  }
}

@Serializable internal data class AuthTokenResponse(val token: String)

@Serializable internal data class AuthTransaction(val transaction: String)