...

2026-03-05 18:11:08 +09:00
parent 83546e5e10
commit 70869d7e1e
33 changed files with 1359 additions and 935 deletions
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+/build
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+plugins {
+    id ("com.android.library")
+    id ("kotlin-android")
+}
+
+android {
+    namespace = "kr.bums.lunatic.utils.gdrive"
+    compileSdk = 36
+
+    defaultConfig {
+        minSdk = 24
+    }
+
+    buildTypes {
+        release {
+            isMinifyEnabled = false
+            proguardFiles(
+                getDefaultProguardFile("proguard-android-optimize.txt"),
+                "proguard-rules.pro"
+            )
+        }
+    }
+    compileOptions {
+        sourceCompatibility = JavaVersion.VERSION_11
+        targetCompatibility = JavaVersion.VERSION_11
+    }
+    kotlinOptions {
+        jvmTarget = "11"
+    }
+}
+
+dependencies {
+    implementation("org.jetbrains.kotlinx:kotlinx-coroutines-android:1.7.3")
+    implementation("androidx.core:core-ktx:1.12.0")
+    implementation("androidx.activity:activity-ktx:1.8.2") // ActivityResultLauncher용
+
+    // 구글 로그인
+    implementation("com.google.android.gms:play-services-auth:20.7.0")
+
+    // 구글 드라이브 API
+    implementation("com.google.api-client:google-api-client-android:1.33.0") {
+        exclude(group = "org.apache.httpcomponents")
+    }
+    implementation("com.google.apis:google-api-services-drive:v3-rev20220815-2.0.0") {
+        exclude(group = "org.apache.httpcomponents")
+    }
+//    implementation("androidx.core:core-ktx:1.17.0")
+    implementation("androidx.appcompat:appcompat:1.7.1")
+    implementation("com.google.android.material:material:1.13.0")
+    testImplementation("junit:junit:4.13.2")
+    androidTestImplementation("androidx.test.ext:junit:1.3.0")
+    androidTestImplementation("androidx.test.espresso:espresso-core:3.7.0")
+}
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+# Add project specific ProGuard rules here.
+# You can control the set of applied configuration files using the
+# proguardFiles setting in build.gradle.
+#
+# For more details, see
+#   http://developer.android.com/guide/developing/tools/proguard.html
+
+# If your project uses WebView with JS, uncomment the following
+# and specify the fully qualified class name to the JavaScript interface
+# class:
+#-keepclassmembers class fqcn.of.javascript.interface.for.webview {
+#   public *;
+#}
+
+# Uncomment this to preserve the line number information for
+# debugging stack traces.
+#-keepattributes SourceFile,LineNumberTable
+
+# If you keep the line number information, uncomment this to
+# hide the original source file name.
+#-renamesourcefileattribute SourceFile
@@ -0,0 +1,24 @@
+package bums.lunatic.utils.gdrive
+
+import androidx.test.platform.app.InstrumentationRegistry
+import androidx.test.ext.junit.runners.AndroidJUnit4
+
+import org.junit.Test
+import org.junit.runner.RunWith
+
+import org.junit.Assert.*
+
+/**
+ * Instrumented test, which will execute on an Android device.
+ *
+ * See [testing documentation](http://d.android.com/tools/testing).
+ */
+@RunWith(AndroidJUnit4::class)
+class ExampleInstrumentedTest {
+    @Test
+    fun useAppContext() {
+        // Context of the app under test.
+        val appContext = InstrumentationRegistry.getInstrumentation().targetContext
+        assertEquals("bums.lunatic.utils.gdrive", appContext.packageName)
+    }
+}
@@ -0,0 +1 @@
+<manifest package="kr.bums.lunatic.utils.gdrive"/>
@@ -0,0 +1,76 @@
+package kr.gdrive.bums.lunatic.utils
+
+import android.content.Context
+import com.google.android.gms.auth.api.signin.GoogleSignInAccount
+import com.google.api.client.googleapis.extensions.android.gms.auth.GoogleAccountCredential
+import com.google.api.client.http.ByteArrayContent
+import com.google.api.client.http.javanet.NetHttpTransport
+import com.google.api.client.json.gson.GsonFactory
+import com.google.api.services.drive.Drive
+import com.google.api.services.drive.DriveScopes
+import com.google.api.services.drive.model.File
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.withContext
+
+class GDriveBackupTask(
+    private val context: Context,
+    private val account: GoogleSignInAccount
+) {
+    // 💡 백업 실행 (IO 스레드에서 돌아야 함)
+    suspend fun executeBackup(payload: BackupPayload): Result<String> = withContext(Dispatchers.IO) {
+        try {
+            val credential = GoogleAccountCredential.usingOAuth2(context, listOf(DriveScopes.DRIVE_APPDATA))
+            credential.selectedAccount = account.account
+
+            val driveService = Drive.Builder(
+                NetHttpTransport(), GsonFactory.getDefaultInstance(), credential
+            ).setApplicationName("LunaticLauncherBackup").build()
+
+            // 1. 매니페스트 업데이트
+            uploadFile(driveService, "appDataFolder", "manifest.json", payload.manifestJson)
+
+            // 2. 폴더 가져오기 or 생성
+            val folderId = getOrCreateFolder(driveService, payload.folderName)
+
+            // 3. 파일들 업로드
+            payload.files.forEach { (fileName, jsonContent) ->
+                uploadFile(driveService, folderId, fileName, jsonContent)
+            }
+
+            Result.success("백업이 완료되었습니다. (${payload.folderName})")
+        } catch (e: Exception) {
+            e.printStackTrace()
+            Result.failure(e)
+        }
+    }
+
+    private fun getOrCreateFolder(driveService: Drive, folderName: String): String {
+        val query = "mimeType='application/vnd.google-apps.folder' and name='$folderName' and 'appDataFolder' in parents and trashed=false"
+        val fileList = driveService.files().list().setSpaces("appDataFolder").setQ(query).execute()
+
+        if (fileList.files.isNotEmpty()) return fileList.files[0].id
+
+        val folderMetadata = File().apply {
+            name = folderName
+            mimeType = "application/vnd.google-apps.folder"
+            parents = listOf("appDataFolder")
+        }
+        return driveService.files().create(folderMetadata).setFields("id").execute().id
+    }
+
+    private fun uploadFile(driveService: Drive, parentId: String, fileName: String, contentStr: String) {
+        val content = ByteArrayContent.fromString("application/json", contentStr)
+        val query = "name='$fileName' and '$parentId' in parents and trashed=false"
+        val fileList = driveService.files().list().setSpaces("appDataFolder").setQ(query).execute()
+
+        if (fileList.files.isNotEmpty()) {
+            driveService.files().update(fileList.files[0].id, null, content).execute()
+        } else {
+            val fileMetadata = File().apply {
+                name = fileName
+                parents = listOf(parentId)
+            }
+            driveService.files().create(fileMetadata, content).execute()
+        }
+    }
+}
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+package kr.gdrive.bums.lunatic.utils
+
+import android.app.Activity
+import android.content.Context
+import android.content.Intent
+import androidx.activity.ComponentActivity
+import androidx.activity.result.ActivityResultLauncher
+import androidx.activity.result.contract.ActivityResultContracts
+import com.google.android.gms.auth.api.signin.GoogleSignIn
+import com.google.android.gms.auth.api.signin.GoogleSignInAccount
+import com.google.android.gms.auth.api.signin.GoogleSignInOptions
+import com.google.android.gms.common.api.Scope
+import com.google.api.services.drive.DriveScopes
+
+class GDriveLoginManager(
+    private val activity: ComponentActivity,
+    private val onLoginResult: (Boolean, GoogleSignInAccount?, String?) -> Unit
+) {
+    // 필수 권한: 숨겨진 App Data 폴더 접근 권한
+    private val driveScope = Scope(DriveScopes.DRIVE_APPDATA)
+
+    private val signInOptions = GoogleSignInOptions.Builder(GoogleSignInOptions.DEFAULT_SIGN_IN)
+        .requestEmail()
+        .requestScopes(driveScope)
+        .build()
+
+    private val signInClient = GoogleSignIn.getClient(activity, signInOptions)
+
+    // 액티비티 생성 시점에 등록되어야 하는 런처
+    private val signInLauncher: ActivityResultLauncher<Intent> =
+        activity.registerForActivityResult(ActivityResultContracts.StartActivityForResult()) { result ->
+            if (result.resultCode == Activity.RESULT_OK) {
+                val task = GoogleSignIn.getSignedInAccountFromIntent(result.data)
+                try {
+                    val account = task.getResult(Exception::class.java)
+                    if (account != null && GoogleSignIn.hasPermissions(account, driveScope)) {
+                        onLoginResult(true, account, null)
+                    } else {
+                        onLoginResult(false, null, "드라이브 접근 권한이 부족합니다.")
+                    }
+                } catch (e: Exception) {
+                    onLoginResult(false, null, "로그인 실패: ${e.message}")
+                }
+            } else {
+                onLoginResult(false, null, "로그인이 취소되었습니다.")
+            }
+        }
+
+    /**
+     * 이미 로그인된 유효한 계정이 있는지 확인 (백그라운드에서 유용함)
+     */
+    fun getSignedInAccount(context: Context = activity): GoogleSignInAccount? {
+        val account = GoogleSignIn.getLastSignedInAccount(context)
+        return if (account != null && GoogleSignIn.hasPermissions(account, driveScope)) {
+            account
+        } else {
+            null
+        }
+    }
+
+    /**
+     * 로그인 화면 띄우기
+     */
+    fun signIn() {
+        val account = getSignedInAccount()
+        if (account != null) {
+            onLoginResult(true, account, null)
+        } else {
+            signInLauncher.launch(signInClient.signInIntent)
+        }
+    }
+
+    /**
+     * 로그아웃 (연결 해제)
+     */
+    fun signOut(onComplete: () -> Unit) {
+        signInClient.signOut().addOnCompleteListener { onComplete() }
+    }
+}
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+package kr.gdrive.bums.lunatic.utils
+
+sealed class GDriveState {
+    object Idle : GDriveState()
+    object StartingLogin : GDriveState()
+    object Uploading : GDriveState()
+    class Success(val message: String) : GDriveState()
+    class Error(val message: String, val exception: Exception? = null) : GDriveState()
+}
+
+// 메인 앱에서 백업할 데이터를 담아 보낼 데이터 클래스
+data class BackupPayload(
+    val manifestJson: String,             // 최상단에 저장될 버전 정보
+    val folderName: String,               // 예: "2026-03-05" (날짜 폴더명)
+    val files: Map<String, String>        // 파일명(키)과 JSON 텍스트(값)의 쌍
+)
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+package bums.lunatic.utils.gdrive
+
+import org.junit.Test
+
+import org.junit.Assert.*
+
+/**
+ * Example local unit test, which will execute on the development machine (host).
+ *
+ * See [testing documentation](http://d.android.com/tools/testing).
+ */
+class ExampleUnitTest {
+    @Test
+    fun addition_isCorrect() {
+        assertEquals(4, 2 + 2)
+    }
+}
				`@@ -0,0 +1 @@`
				`<manifest package="kr.bums.lunatic.utils.gdrive"/>`