Merge pull request #17 from gaeun5744/refactor/#100-login-api

Refactor/#100 login api

app/src/main/java/com/puzzling/puzzlingaos/data/datasource/local/UserDataSource.kt

@@ -0,0 +1,39 @@
+package com.puzzling.puzzlingaos.data.datasource.local
+
+import androidx.datastore.core.Serializer
+import com.puzzling.puzzlingaos.data.entity.User
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.withContext
+import kotlinx.serialization.json.Json
+import org.apache.commons.lang3.SerializationException
+import java.io.InputStream
+import java.io.OutputStream
+import javax.inject.Inject
+
+class UserDataSource @Inject constructor() : Serializer<User> {
+    override val defaultValue: User
+        get() = User()
+
+    override suspend fun readFrom(input: InputStream): User {
+        return try {
+            Json.decodeFromString(
+                deserializer = User.serializer(),
+                string = input.readBytes().decodeToString(),
+            )
+        } catch (e: SerializationException) {
+            e.printStackTrace()
+            defaultValue
+        }
+    }
+
+    override suspend fun writeTo(t: User, output: OutputStream) {
+        withContext(Dispatchers.IO) {
+            output.write(
+                Json.encodeToString(
+                    serializer = User.serializer(),
+                    value = t,
+                ).encodeToByteArray(),
+            )
+        }
+    }
+}

app/src/main/java/com/puzzling/puzzlingaos/data/datasource/remote/AuthDataSource.kt

@@ -0,0 +1,10 @@
+package com.puzzling.puzzlingaos.data.datasource.remote
+
+import com.puzzling.puzzlingaos.data.model.response.ResponseLoginDto
+import com.puzzling.puzzlingaos.data.model.response.ResponseTokenDto
+
+interface AuthDataSource {
+    suspend fun login(socialPlatform: String): ResponseLoginDto
+
+    suspend fun getToken(): ResponseTokenDto
+}

app/src/main/java/com/puzzling/puzzlingaos/data/datasource/remote/impl/AuthDataSourceImpl.kt

@@ -0,0 +1,21 @@
+package com.puzzling.puzzlingaos.data.datasource.remote.impl
+
+import com.puzzling.puzzlingaos.data.datasource.remote.AuthDataSource
+import com.puzzling.puzzlingaos.data.model.request.RequestLoginDto
+import com.puzzling.puzzlingaos.data.model.response.ResponseLoginDto
+import com.puzzling.puzzlingaos.data.model.response.ResponseTokenDto
+import com.puzzling.puzzlingaos.data.service.AuthService
+import com.puzzling.puzzlingaos.data.service.ReIssueTokenService
+import javax.inject.Inject
+
+class AuthDataSourceImpl @Inject constructor(
+    private val authService: AuthService,
+    private val reIssueTokenService: ReIssueTokenService,
+) : AuthDataSource {
+
+    override suspend fun login(socialPlatform: String): ResponseLoginDto =
+        authService.login(RequestLoginDto(socialPlatform))
+
+    override suspend fun getToken(): ResponseTokenDto =
+        reIssueTokenService.getToken()
+}

app/src/main/java/com/puzzling/puzzlingaos/data/entity/CurrentProject.kt

@@ -0,0 +1,9 @@
+package com.puzzling.puzzlingaos.data.entity
+
+import kotlinx.serialization.Serializable
+
+@Serializable
+data class CurrentProject(
+    val projectId: Int,
+    val projectName: String,
+)

app/src/main/java/com/puzzling/puzzlingaos/data/entity/Token.kt

@@ -5,4 +5,5 @@ import kotlinx.serialization.Serializable
 @Serializable
 data class Token(
     val accessToken: String? = null,
+    val refreshToken: String? = null,
 )

app/src/main/java/com/puzzling/puzzlingaos/data/entity/User.kt

@@ -0,0 +1,9 @@
+package com.puzzling.puzzlingaos.data.entity
+
+import kotlinx.serialization.Serializable
+
+@Serializable
+data class User(
+    val memberId: Int? = null,
+    val name: String? = null,
+)

app/src/main/java/com/puzzling/puzzlingaos/data/model/request/RequestLoginDto.kt

@@ -0,0 +1,10 @@
+package com.puzzling.puzzlingaos.data.model.request
+
+import com.google.gson.annotations.SerializedName
+import kotlinx.serialization.Serializable
+
+@Serializable
+data class RequestLoginDto(
+    @SerializedName("socialPlatform")
+    val socialPlatform: String,
+)

app/src/main/java/com/puzzling/puzzlingaos/data/model/response/ResponseLoginDto.kt

@@ -0,0 +1,35 @@
+package com.puzzling.puzzlingaos.data.model.response
+
+import kotlinx.serialization.SerialName
+import kotlinx.serialization.Serializable
+
+@Serializable
+data class ResponseLoginDto(
+    @SerialName("status")
+    val status: Int,
+    @SerialName("success")
+    val success: Boolean,
+    @SerialName("message")
+    val message: String,
+    @SerialName("data")
+    val data: LoginData,
+
+) {
+    @Serializable
+    data class LoginData(
+        @SerialName("name")
+        val name: String,
+        @SerialName("memberId")
+        val memberId: Int,
+        @SerialName("projectId")
+        val projectId: Int?,
+        @SerialName("projectName")
+        val projectName: String?,
+        @SerialName("accessToken")
+        val accessToken: String,
+        @SerialName("refreshToken")
+        val refreshToken: String,
+        @SerialName("isNewUser")
+        val isNewUser: Boolean,
+    )
+}

app/src/main/java/com/puzzling/puzzlingaos/data/model/response/ResponseTokenDto.kt

@@ -0,0 +1,26 @@
+package com.puzzling.puzzlingaos.data.model.response
+
+import com.puzzling.puzzlingaos.data.entity.Token
+import kotlinx.serialization.SerialName
+import kotlinx.serialization.Serializable
+
+@Serializable
+data class ResponseTokenDto(
+    @SerialName("status")
+    val status: Int,
+    @SerialName("success")
+    val success: Boolean,
+    @SerialName("message")
+    val message: String,
+    @SerialName("date")
+    val data: NewToken?,
+) {
+    @Serializable
+    data class NewToken(
+        @SerialName("accessToken")
+        val accessToken: String,
+
+    )
+
+    fun getToken() = Token(data?.accessToken)
+}

app/src/main/java/com/puzzling/puzzlingaos/data/repository/AuthRepositoryImpl.kt

@@ -0,0 +1,37 @@
+package com.puzzling.puzzlingaos.data.repository
+
+import android.util.Log
+import androidx.datastore.core.DataStore
+import com.puzzling.puzzlingaos.data.datasource.remote.AuthDataSource
+import com.puzzling.puzzlingaos.data.entity.Token
+import com.puzzling.puzzlingaos.data.entity.User
+import com.puzzling.puzzlingaos.data.model.response.ResponseLoginDto
+import com.puzzling.puzzlingaos.domain.repository.AuthRepository
+import kotlinx.coroutines.flow.first
+import javax.inject.Inject
+
+class AuthRepositoryImpl @Inject constructor(
+    private val tokenDataStore: DataStore<Token>,
+    private val userDataSource: DataStore<User>,
+    private val authDataSource: AuthDataSource,
+) : AuthRepository {
+    override suspend fun login(socialPlatform: String): Result<ResponseLoginDto> = runCatching {
+        authDataSource.login(socialPlatform)
+    }.onSuccess { result ->
+        tokenDataStore.updateData { Token(result.data.accessToken, result.data.refreshToken) }
+        userDataSource.updateData { User(result.data.memberId, result.data.name) }
+        Log.d("AuthRepoImpl", "$result")
+        Log.d("AuthRepoImpl", "AuthRepoImpl get 토큰 ${userDataSource.data.first()}")
+    }.onFailure {
+        Log.d("AuthRepoImpl", "$it 에러")
+    }
+
+    override suspend fun getToken(): Result<Token> = runCatching {
+        authDataSource.getToken().getToken()
+    }.onSuccess { token ->
+        tokenDataStore.updateData { Token(token.accessToken, token.refreshToken) }
+        Log.d("AuthRepoImpl", "${tokenDataStore.data.first()}")
+    }.onFailure {
+        Log.d("AuthRepoImpl", "$it 에러")
+    }
+}

app/src/main/java/com/puzzling/puzzlingaos/data/repository/TokenRepositoryImpl.kt

@@ -8,8 +8,8 @@ import javax.inject.Inject
 
 class TokenRepositoryImpl @Inject constructor(private val dataStore: DataStore<Token>) :
     TokenRepository {
-    override suspend fun setToken(token: String) {
-        dataStore.updateData { Token(token) }
+    override suspend fun setToken(accessToken: String) {
+        dataStore.updateData { Token(accessToken) }
     }
 
     override suspend fun getToken(): Token = dataStore.data.first()

app/src/main/java/com/puzzling/puzzlingaos/data/repository/UserRepositoryImpl.kt

@@ -0,0 +1,16 @@
+package com.puzzling.puzzlingaos.data.repository
+
+import androidx.datastore.core.DataStore
+import com.puzzling.puzzlingaos.data.entity.User
+import com.puzzling.puzzlingaos.domain.repository.UserRepository
+import kotlinx.coroutines.flow.first
+import javax.inject.Inject
+
+class UserRepositoryImpl @Inject constructor(private val dataStore: DataStore<User>) :
+    UserRepository {
+    override suspend fun setUserInfo(userInfo: User) {
+        dataStore.updateData { User(userInfo.memberId, userInfo.name) }
+    }
+
+    override suspend fun getUserInfo(): User = dataStore.data.first()
+}

app/src/main/java/com/puzzling/puzzlingaos/data/service/AuthService.kt

@@ -0,0 +1,13 @@
+package com.puzzling.puzzlingaos.data.service
+
+import com.puzzling.puzzlingaos.data.model.request.RequestLoginDto
+import com.puzzling.puzzlingaos.data.model.response.ResponseLoginDto
+import retrofit2.http.Body
+import retrofit2.http.POST
+
+interface AuthService {
+    @POST("api/v1/auth")
+    suspend fun login(
+        @Body socialPlatform: RequestLoginDto,
+    ): ResponseLoginDto
+}

app/src/main/java/com/puzzling/puzzlingaos/data/service/CryptoService.kt

@@ -4,6 +4,8 @@ import android.os.Build
 import android.security.keystore.KeyGenParameterSpec
 import android.security.keystore.KeyProperties
 import androidx.annotation.RequiresApi
+import java.io.ByteArrayInputStream
+import java.io.ByteArrayOutputStream
 import java.io.InputStream
 import java.io.OutputStream
 import java.security.KeyStore
@@ -20,62 +22,90 @@ class CryptoService @Inject constructor() {
         load(null)
     }
 
-    private val encryptCipher = Cipher.getInstance(TRANSFORMATION).apply {
-        init(Cipher.ENCRYPT_MODE, getKey())
-    }
+    private val encryptCipher
+        get() = Cipher.getInstance(TRANSFORMATION).apply {
+            init(Cipher.ENCRYPT_MODE, getKey())
+        }
 
-    private fun getDecryptCipher(iv: ByteArray): Cipher {
+    private fun getDecryptCipherForIv(iv: ByteArray): Cipher {
         return Cipher.getInstance(TRANSFORMATION).apply {
             init(Cipher.DECRYPT_MODE, getKey(), IvParameterSpec(iv))
         }
     }
 
     private fun getKey(): SecretKey {
-        val existingKey = keyStore.getEntry("secret", null) as? KeyStore.SecretKeyEntry
+        val existingKey = keyStore.getEntry(ALIAS, null) as? KeyStore.SecretKeyEntry
         return existingKey?.secretKey ?: createKey()
     }
 
     private fun createKey(): SecretKey {
         return KeyGenerator.getInstance(ALGORITHM).apply {
             init(
                 KeyGenParameterSpec.Builder(
-                    "secret",
+                    ALIAS,
                     KeyProperties.PURPOSE_ENCRYPT or KeyProperties.PURPOSE_DECRYPT,
-                ).setBlockModes(BLOCK_MODE).setEncryptionPaddings(
-                    PADDING,
-                ).setUserAuthenticationRequired(false) // 지문인식 같은거 false
-                    .setRandomizedEncryptionRequired(true).build(),
+                )
+                    .setKeySize(KEY_SIZE * 8) // key size in bits
+                    .setBlockModes(BLOCK_MODE)
+                    .setEncryptionPaddings(PADDING)
+                    .setUserAuthenticationRequired(false)
+                    .setRandomizedEncryptionRequired(true)
+                    .build(),
             )
         }.generateKey()
     }
 
-    fun encrypt(bytes: ByteArray, outputStream: OutputStream): ByteArray {
-        val encryptedBytes = encryptCipher.doFinal(bytes)
+    fun encrypt(bytes: ByteArray, outputStream: OutputStream) {
+        val cipher = encryptCipher
+        val iv = cipher.iv
         outputStream.use {
-            it.write(encryptCipher.iv.size)
-            it.write(encryptCipher.iv)
-            it.write(encryptedBytes.size)
-            it.write(encryptedBytes)
+            it.write(iv)
+            // write the payload in chunks to make sure to support larger data amounts (this would otherwise fail silently and result in corrupted data being read back)
+            // //////////////////////////////////
+            val inputStream = ByteArrayInputStream(bytes)
+            val buffer = ByteArray(CHUNK_SIZE)
+            while (inputStream.available() > CHUNK_SIZE) {
+                inputStream.read(buffer)
+                val ciphertextChunk = cipher.update(buffer)
+                it.write(ciphertextChunk)
+            }
+            // the last chunk must be written using doFinal() because this takes the padding into account
+            val remainingBytes = inputStream.readBytes()
+            val lastChunk = cipher.doFinal(remainingBytes)
+            it.write(lastChunk)
+            // ////////////////////////////////
         }
-
-        return encryptedBytes
     }
 
     fun decrypt(inputStream: InputStream): ByteArray {
         return inputStream.use {
-            val ivSize = it.read()
-            val iv = ByteArray(ivSize)
+            val iv = ByteArray(KEY_SIZE)
             it.read(iv)
+            val cipher = getDecryptCipherForIv(iv)
+            val outputStream = ByteArrayOutputStream()
 
-            val encryptedBytesSize = it.read()
-            val encryptedBytes = ByteArray(encryptedBytesSize)
-            it.read(encryptedBytes)
+            // read the payload in chunks to make sure to support larger data amounts (this would otherwise fail silently and result in corrupted data being read back)
+            // //////////////////////////////////
+            val buffer = ByteArray(CHUNK_SIZE)
+            while (inputStream.available() > CHUNK_SIZE) {
+                inputStream.read(buffer)
+                val ciphertextChunk = cipher.update(buffer)
+                outputStream.write(ciphertextChunk)
+            }
+            // the last chunk must be read using doFinal() because this takes the padding into account
+            val remainingBytes = inputStream.readBytes()
+            val lastChunk = cipher.doFinal(remainingBytes)
+            outputStream.write(lastChunk)
+            // ////////////////////////////////
 
-            getDecryptCipher(iv).doFinal(encryptedBytes)
+            outputStream.toByteArray()
         }
     }
 
     companion object {
+        private const val CHUNK_SIZE = 1024 * 4 // bytes
+        private const val KEY_SIZE = 16 // bytes
+        private const val ALIAS = "my_alias"
         private const val ALGORITHM = KeyProperties.KEY_ALGORITHM_AES
         private const val BLOCK_MODE = KeyProperties.BLOCK_MODE_CBC
         private const val PADDING = KeyProperties.ENCRYPTION_PADDING_PKCS7

app/src/main/java/com/puzzling/puzzlingaos/data/service/ReIssueTokenService.kt

@@ -0,0 +1,9 @@
+package com.puzzling.puzzlingaos.data.service
+
+import com.puzzling.puzzlingaos.data.model.response.ResponseTokenDto
+import retrofit2.http.GET
+
+interface ReIssueTokenService {
+    @GET("api/v1/auth/token")
+    suspend fun getToken(): ResponseTokenDto
+}