Copy logs to clipboard; scrub terms; add schema migration

2024-05-18 19:42:34 +12:00 · 2022-01-17 18:05:59 -05:00 · 2022-01-17 18:05:59 -05:00 · 7152469172
parent 5fb3ae0536
commit 7152469172
15 changed files with 562 additions and 100 deletions
--- a/app/build.gradle
+++ b/app/build.gradle
@ -12,8 +12,8 @@ android {
        minSdkVersion 21
        targetSdkVersion 30

-        versionCode 16
-        versionName "1.6.0"
+        versionCode 17
+        versionName "1.7.0"

        testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"

@ -64,7 +64,7 @@ dependencies {
    implementation "androidx.constraintlayout:constraintlayout:$rootProject.constraintLayoutVersion"
    implementation "androidx.activity:activity-ktx:$rootProject.activityVersion"
    implementation "androidx.fragment:fragment-ktx:$rootProject.fragmentVersion"
-    implementation 'com.google.code.gson:gson:2.8.8'
+    implementation 'com.google.code.gson:gson:2.8.9'

    // WorkManager
    implementation "androidx.work:work-runtime-ktx:2.6.0"
@ -76,7 +76,7 @@ dependencies {
    kapt "androidx.room:room-compiler:$roomVersion"

    // OkHttp (HTTP library)
-    implementation "com.squareup.okhttp3:okhttp:4.9.2"
+    implementation 'com.squareup.okhttp3:okhttp:4.9.3'

    // Firebase, sigh ... (only Google Play)
    playImplementation 'com.google.firebase:firebase-messaging:22.0.0'
--- a/app/schemas/io.heckel.ntfy.data.Database/7.json
+++ b/app/schemas/io.heckel.ntfy.data.Database/7.json
@ -0,0 +1,256 @@
+{
+  "formatVersion": 1,
+  "database": {
+    "version": 7,
+    "identityHash": "ecb1b85b2ae822dc62b2843620368477",
+    "entities": [
+      {
+        "tableName": "Subscription",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER NOT NULL, `baseUrl` TEXT NOT NULL, `topic` TEXT NOT NULL, `instant` INTEGER NOT NULL, `mutedUntil` INTEGER NOT NULL, `upAppId` TEXT, `upConnectorToken` TEXT, PRIMARY KEY(`id`))",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "baseUrl",
+            "columnName": "baseUrl",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "topic",
+            "columnName": "topic",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "instant",
+            "columnName": "instant",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "mutedUntil",
+            "columnName": "mutedUntil",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "upAppId",
+            "columnName": "upAppId",
+            "affinity": "TEXT",
+            "notNull": false
+          },
+          {
+            "fieldPath": "upConnectorToken",
+            "columnName": "upConnectorToken",
+            "affinity": "TEXT",
+            "notNull": false
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": false
+        },
+        "indices": [
+          {
+            "name": "index_Subscription_baseUrl_topic",
+            "unique": true,
+            "columnNames": [
+              "baseUrl",
+              "topic"
+            ],
+            "createSql": "CREATE UNIQUE INDEX IF NOT EXISTS `index_Subscription_baseUrl_topic` ON `${TABLE_NAME}` (`baseUrl`, `topic`)"
+          },
+          {
+            "name": "index_Subscription_upConnectorToken",
+            "unique": true,
+            "columnNames": [
+              "upConnectorToken"
+            ],
+            "createSql": "CREATE UNIQUE INDEX IF NOT EXISTS `index_Subscription_upConnectorToken` ON `${TABLE_NAME}` (`upConnectorToken`)"
+          }
+        ],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "Notification",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` TEXT NOT NULL, `subscriptionId` INTEGER NOT NULL, `timestamp` INTEGER NOT NULL, `title` TEXT NOT NULL, `message` TEXT NOT NULL, `notificationId` INTEGER NOT NULL, `priority` INTEGER NOT NULL DEFAULT 3, `tags` TEXT NOT NULL, `click` TEXT NOT NULL, `deleted` INTEGER NOT NULL, `attachment_name` TEXT, `attachment_type` TEXT, `attachment_size` INTEGER, `attachment_expires` INTEGER, `attachment_url` TEXT, `attachment_contentUri` TEXT, `attachment_progress` INTEGER, PRIMARY KEY(`id`, `subscriptionId`))",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "subscriptionId",
+            "columnName": "subscriptionId",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "timestamp",
+            "columnName": "timestamp",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "title",
+            "columnName": "title",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "message",
+            "columnName": "message",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "notificationId",
+            "columnName": "notificationId",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "priority",
+            "columnName": "priority",
+            "affinity": "INTEGER",
+            "notNull": true,
+            "defaultValue": "3"
+          },
+          {
+            "fieldPath": "tags",
+            "columnName": "tags",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "click",
+            "columnName": "click",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "deleted",
+            "columnName": "deleted",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "attachment.name",
+            "columnName": "attachment_name",
+            "affinity": "TEXT",
+            "notNull": false
+          },
+          {
+            "fieldPath": "attachment.type",
+            "columnName": "attachment_type",
+            "affinity": "TEXT",
+            "notNull": false
+          },
+          {
+            "fieldPath": "attachment.size",
+            "columnName": "attachment_size",
+            "affinity": "INTEGER",
+            "notNull": false
+          },
+          {
+            "fieldPath": "attachment.expires",
+            "columnName": "attachment_expires",
+            "affinity": "INTEGER",
+            "notNull": false
+          },
+          {
+            "fieldPath": "attachment.url",
+            "columnName": "attachment_url",
+            "affinity": "TEXT",
+            "notNull": false
+          },
+          {
+            "fieldPath": "attachment.contentUri",
+            "columnName": "attachment_contentUri",
+            "affinity": "TEXT",
+            "notNull": false
+          },
+          {
+            "fieldPath": "attachment.progress",
+            "columnName": "attachment_progress",
+            "affinity": "INTEGER",
+            "notNull": false
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id",
+            "subscriptionId"
+          ],
+          "autoGenerate": false
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "Log",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `timestamp` INTEGER NOT NULL, `tag` TEXT NOT NULL, `level` INTEGER NOT NULL, `message` TEXT NOT NULL, `exception` TEXT)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "timestamp",
+            "columnName": "timestamp",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "tag",
+            "columnName": "tag",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "level",
+            "columnName": "level",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "message",
+            "columnName": "message",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "exception",
+            "columnName": "exception",
+            "affinity": "TEXT",
+            "notNull": false
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      }
+    ],
+    "views": [],
+    "setupQueries": [
+      "CREATE TABLE IF NOT EXISTS room_master_table (id INTEGER PRIMARY KEY,identity_hash TEXT)",
+      "INSERT OR REPLACE INTO room_master_table (id,identity_hash) VALUES(42, 'ecb1b85b2ae822dc62b2843620368477')"
+    ]
+  }
+}
--- a/app/src/main/java/io/heckel/ntfy/app/Application.kt
+++ b/app/src/main/java/io/heckel/ntfy/app/Application.kt
@ -13,6 +13,10 @@ class Application : Application() {
    }
    val repository by lazy {
        val sharedPrefs = applicationContext.getSharedPreferences(Repository.SHARED_PREFS_ID, Context.MODE_PRIVATE)
-        Repository.getInstance(sharedPrefs, database.subscriptionDao(), database.notificationDao())
+        val repository = Repository.getInstance(sharedPrefs, database.subscriptionDao(), database.notificationDao())
+        if (repository.getRecordLogs()) {
+            Log.setRecord(true)
+        }
+        repository
    }
 }
--- a/app/src/main/java/io/heckel/ntfy/data/Database.kt
+++ b/app/src/main/java/io/heckel/ntfy/data/Database.kt
@ -77,8 +77,8 @@ const val PROGRESS_FAILED = -3
 const val PROGRESS_DELETED = -4
 const val PROGRESS_DONE = 100

-@Entity
-data class Logs(
+@Entity(tableName = "Log")
+data class LogEntry(
    @PrimaryKey(autoGenerate = true) val id: Long, // Internal ID, only used in Repository and activities
    @ColumnInfo(name = "timestamp") val timestamp: Long,
    @ColumnInfo(name = "tag") val tag: String,
@ -90,11 +90,11 @@ data class Logs(
            this(0, timestamp, tag, level, message, exception)
 }

-@androidx.room.Database(entities = [Subscription::class, Notification::class, Logs::class], version = 6)
+@androidx.room.Database(entities = [Subscription::class, Notification::class, LogEntry::class], version = 7)
 abstract class Database : RoomDatabase() {
    abstract fun subscriptionDao(): SubscriptionDao
    abstract fun notificationDao(): NotificationDao
-    abstract fun logsDao(): LogsDao
+    abstract fun logDao(): LogDao

    companion object {
        @Volatile
@ -109,6 +109,7 @@ abstract class Database : RoomDatabase() {
                    .addMigrations(MIGRATION_3_4)
                    .addMigrations(MIGRATION_4_5)
                    .addMigrations(MIGRATION_5_6)
+                    .addMigrations(MIGRATION_6_7)
                    .fallbackToDestructiveMigration()
                    .build()
                this.instance = instance
@ -166,6 +167,12 @@ abstract class Database : RoomDatabase() {
                db.execSQL("ALTER TABLE Notification ADD COLUMN attachment_progress INT") // Room limitation: Has to be nullable for @Embedded
            }
        }
+
+        private val MIGRATION_6_7 = object : Migration(6, 7) {
+            override fun migrate(db: SupportSQLiteDatabase) {
+                db.execSQL("CREATE TABLE Log (id INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, timestamp INT NOT NULL, tag TEXT NOT NULL, level INT NOT NULL, message TEXT NOT NULL, exception TEXT)")
+            }
+        }
    }
 }

@ -276,12 +283,17 @@ interface NotificationDao {
    fun removeAll(subscriptionId: Long)
 }

-
@Dao
-interface LogsDao {
+interface LogDao {
    @Insert
-    suspend fun insert(entry: Logs)
+    suspend fun insert(entry: LogEntry)

-    @Query("DELETE FROM logs WHERE id NOT IN (SELECT id FROM logs ORDER BY id DESC LIMIT :keepCount)")
+    @Query("DELETE FROM log WHERE id NOT IN (SELECT id FROM log ORDER BY id DESC LIMIT :keepCount)")
    suspend fun prune(keepCount: Int)
+
+    @Query("SELECT * FROM log ORDER BY timestamp ASC, id ASC")
+    fun getAll(): List<LogEntry>
+
+    @Query("DELETE FROM log")
+    fun deleteAll()
 }
--- a/app/src/main/java/io/heckel/ntfy/data/Repository.kt
+++ b/app/src/main/java/io/heckel/ntfy/data/Repository.kt
@ -215,6 +215,16 @@ class Repository(private val sharedPrefs: SharedPreferences, private val subscri
            .apply()
    }

+    fun getRecordLogs(): Boolean {
+        return sharedPrefs.getBoolean(SHARED_PREFS_RECORD_LOGS_ENABLED, false) // Disabled by default
+    }
+
+    fun setRecordLogsEnabled(enabled: Boolean) {
+        sharedPrefs.edit()
+            .putBoolean(SHARED_PREFS_RECORD_LOGS_ENABLED, enabled)
+            .apply()
+    }
+
    fun getUnifiedPushEnabled(): Boolean {
        return sharedPrefs.getBoolean(SHARED_PREFS_UNIFIED_PUSH_ENABLED, true) // Enabled by default
    }
@ -339,6 +349,7 @@ class Repository(private val sharedPrefs: SharedPreferences, private val subscri
        const val SHARED_PREFS_WAKELOCK_ENABLED = "WakelockEnabled"
        const val SHARED_PREFS_CONNECTION_PROTOCOL = "ConnectionProtocol"
        const val SHARED_PREFS_BROADCAST_ENABLED = "BroadcastEnabled"
+        const val SHARED_PREFS_RECORD_LOGS_ENABLED = "RecordLogs"
        const val SHARED_PREFS_UNIFIED_PUSH_ENABLED = "UnifiedPushEnabled"
        const val SHARED_PREFS_UNIFIED_PUSH_BASE_URL = "UnifiedPushBaseURL"

--- a/app/src/main/java/io/heckel/ntfy/log/Log.kt
+++ b/app/src/main/java/io/heckel/ntfy/log/Log.kt
@ -2,22 +2,25 @@ package io.heckel.ntfy.log

 import android.content.Context
 import io.heckel.ntfy.data.Database
-import io.heckel.ntfy.data.Logs
-import io.heckel.ntfy.data.LogsDao
+import io.heckel.ntfy.data.LogDao
+import io.heckel.ntfy.data.LogEntry
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.GlobalScope
 import kotlinx.coroutines.launch
+import java.util.*
 import java.util.concurrent.atomic.AtomicBoolean
 import java.util.concurrent.atomic.AtomicInteger

-class Log(private val logsDao: LogsDao) {
-    private var record: AtomicBoolean = AtomicBoolean(false)
-    private var count: AtomicInteger = AtomicInteger(0)
+class Log(private val logsDao: LogDao) {
+    private val record: AtomicBoolean = AtomicBoolean(false)
+    private val count: AtomicInteger = AtomicInteger(0)
+    private val scrubNum: AtomicInteger = AtomicInteger(-1)
+    private val scrubTerms = Collections.synchronizedMap(mutableMapOf<String, String>())

    private fun log(level: Int, tag: String, message: String, exception: Throwable?) {
        if (!record.get()) return
-        GlobalScope.launch(Dispatchers.IO) {
-            logsDao.insert(Logs(System.currentTimeMillis(), tag, level, message, exception?.stackTraceToString()))
+        GlobalScope.launch(Dispatchers.IO) { // FIXME This does not guarantee the log order
+            logsDao.insert(LogEntry(System.currentTimeMillis(), tag, level, message, exception?.stackTraceToString()))
            val current = count.incrementAndGet()
            if (current >= PRUNE_EVERY) {
                logsDao.prune(ENTRIES_MAX)
@ -26,7 +29,55 @@ class Log(private val logsDao: LogsDao) {
        }
    }

+    fun getAll(): Collection<LogEntry> {
+        return logsDao
+            .getAll()
+            .map { e ->
+                e.copy(
+                    message = scrub(e.message)!!,
+                    exception = scrub(e.exception)
+                )
+            }
+    }
+
+    private fun deleteAll() {
+        return logsDao.deleteAll()
+    }
+
+    fun addScrubTerm(term: String, type: TermType = TermType.Term) {
+        if (scrubTerms[term] != null || IGNORE_TERMS.contains(term)) {
+            return
+        }
+        val replaceTermIndex = scrubNum.incrementAndGet()
+        val replaceTerm = REPLACE_TERMS.getOrNull(replaceTermIndex) ?: "scrubbed${replaceTermIndex}"
+        scrubTerms[term] = when (type) {
+            TermType.Domain -> "$replaceTerm.example.com"
+            else -> replaceTerm
+        }
+    }
+
+    private fun scrub(line: String?): String? {
+        var newLine = line ?: return null
+        scrubTerms.forEach { (scrubTerm, replaceTerm) ->
+            newLine = newLine.replace(scrubTerm, replaceTerm)
+        }
+        return newLine
+    }
+
+    enum class TermType {
+        Domain, Term
+    }
+
    companion object {
+        private const val TAG = "NtfyLog"
+        private const val PRUNE_EVERY = 100
+        private const val ENTRIES_MAX = 5000
+        private val IGNORE_TERMS = listOf("ntfy.sh")
+        private val REPLACE_TERMS = listOf(
+            "potato", "banana", "coconut", "kiwi", "avocado", "orange", "apple", "lemon", "olive", "peach"
+        )
+        private var instance: Log? = null
+
        fun d(tag: String, message: String, exception: Throwable? = null) {
            if (exception == null) android.util.Log.d(tag, message) else android.util.Log.d(tag, message, exception)
            getInstance()?.log(android.util.Log.DEBUG, tag, message, exception)
@ -57,20 +108,27 @@ class Log(private val logsDao: LogsDao) {
            return getInstance()?.record?.get() ?: false
        }

+        fun getAll(): Collection<LogEntry> {
+            return getInstance()?.getAll().orEmpty()
+        }
+
+        fun deleteAll() {
+            getInstance()?.deleteAll()
+        }
+
+        fun addScrubTerm(term: String, type: TermType = TermType.Term) {
+            getInstance()?.addScrubTerm(term, type)
+        }
+
        fun init(context: Context) {
            return synchronized(Log::class) {
                if (instance == null) {
                    val database = Database.getInstance(context.applicationContext)
-                    instance = Log(database.logsDao())
+                    instance = Log(database.logDao())
                }
            }
        }

-        private const val TAG = "NtfyLog"
-        private const val PRUNE_EVERY = 100
-        private const val ENTRIES_MAX = 10000
-        private var instance: Log? = null
-
        private fun getInstance(): Log? {
            return synchronized(Log::class) {
                instance
--- a/app/src/main/java/io/heckel/ntfy/msg/DownloadWorker.kt
+++ b/app/src/main/java/io/heckel/ntfy/msg/DownloadWorker.kt
@ -8,7 +8,6 @@ import android.os.Environment
 import android.os.Handler
 import android.os.Looper
 import android.provider.MediaStore
-import android.util.Log
 import android.webkit.MimeTypeMap
 import android.widget.Toast
 import androidx.core.content.FileProvider
@ -18,6 +17,7 @@ import io.heckel.ntfy.BuildConfig
 import io.heckel.ntfy.R
 import io.heckel.ntfy.app.Application
 import io.heckel.ntfy.data.*
+import io.heckel.ntfy.log.Log
 import io.heckel.ntfy.util.queryFilename
 import okhttp3.OkHttpClient
 import okhttp3.Request
--- a/app/src/main/java/io/heckel/ntfy/msg/NotificationDispatcher.kt
+++ b/app/src/main/java/io/heckel/ntfy/msg/NotificationDispatcher.kt
@ -1,10 +1,10 @@
 package io.heckel.ntfy.msg

 import android.content.Context
-import android.util.Log
 import io.heckel.ntfy.data.Notification
 import io.heckel.ntfy.data.Repository
 import io.heckel.ntfy.data.Subscription
+import io.heckel.ntfy.log.Log
 import io.heckel.ntfy.up.Distributor
 import io.heckel.ntfy.util.safeLet

--- a/app/src/main/java/io/heckel/ntfy/service/JsonConnection.kt
+++ b/app/src/main/java/io/heckel/ntfy/service/JsonConnection.kt
@ -1,10 +1,10 @@
 package io.heckel.ntfy.service

-import android.util.Log
 import io.heckel.ntfy.data.ConnectionState
 import io.heckel.ntfy.data.Notification
 import io.heckel.ntfy.data.Repository
 import io.heckel.ntfy.data.Subscription
+import io.heckel.ntfy.log.Log
 import io.heckel.ntfy.msg.ApiService
 import io.heckel.ntfy.util.topicUrl
 import kotlinx.coroutines.*
@ -47,7 +47,7 @@ class JsonConnection(
                    notificationListener(subscription, notificationWithSubscriptionId)
                }
                val failed = AtomicBoolean(false)
-                val fail = { e: Exception ->
+                val fail = { _: Exception ->
                    failed.set(true)
                    if (isActive && serviceActive()) { // Avoid UI update races if we're restarting a connection
                        stateChangeListener(subscriptionIds, ConnectionState.CONNECTING)
--- a/app/src/main/java/io/heckel/ntfy/service/SubscriberService.kt
+++ b/app/src/main/java/io/heckel/ntfy/service/SubscriberService.kt
@ -82,6 +82,8 @@ class SubscriberService : Service() {

    override fun onCreate() {
        super.onCreate()
+
+        Log.init(this) // Init logs in all entry points
        Log.d(TAG, "Subscriber service has been created")

        val title = getString(R.string.channel_subscriber_notification_title)
--- a/app/src/main/java/io/heckel/ntfy/ui/MainActivity.kt
+++ b/app/src/main/java/io/heckel/ntfy/ui/MainActivity.kt
@ -29,6 +29,7 @@ import io.heckel.ntfy.service.SubscriberService
 import io.heckel.ntfy.service.SubscriberServiceManager
 import io.heckel.ntfy.util.fadeStatusBarColor
 import io.heckel.ntfy.util.formatDateShort
+import io.heckel.ntfy.util.shortUrl
 import io.heckel.ntfy.util.topicShortUrl
 import io.heckel.ntfy.work.PollWorker
 import kotlinx.coroutines.Dispatchers
@ -63,9 +64,7 @@ class MainActivity : AppCompatActivity(), ActionMode.Callback, AddFragment.Subsc
        super.onCreate(savedInstanceState)
        setContentView(R.layout.activity_main)

-        Log.init(this)
-        Log.setRecord(true)
-
+        Log.init(this) // Init logs in all entry points
        Log.d(TAG, "Create $this")

        // Dependencies that depend on Context
@ -98,6 +97,7 @@ class MainActivity : AppCompatActivity(), ActionMode.Callback, AddFragment.Subsc

        viewModel.list().observe(this) {
            it?.let { subscriptions ->
+                // Update main list
                adapter.submitList(subscriptions as MutableList<Subscription>)
                if (it.isEmpty()) {
                    mainListContainer.visibility = View.GONE
@ -106,6 +106,12 @@ class MainActivity : AppCompatActivity(), ActionMode.Callback, AddFragment.Subsc
                    mainListContainer.visibility = View.VISIBLE
                    noEntries.visibility = View.GONE
                }
+
+                // Add scrub terms to log (in case it gets exported)
+                subscriptions.forEach { s ->
+                    Log.addScrubTerm(shortUrl(s.baseUrl), Log.TermType.Domain)
+                    Log.addScrubTerm(s.topic)
+                }
            }
        }

--- a/app/src/main/java/io/heckel/ntfy/ui/SettingsActivity.kt
+++ b/app/src/main/java/io/heckel/ntfy/ui/SettingsActivity.kt
@ -1,6 +1,7 @@
 package io.heckel.ntfy.ui

 import android.Manifest
+import android.app.AlertDialog
 import android.content.ClipData
 import android.content.ClipboardManager
 import android.content.Context
@ -14,6 +15,7 @@ import androidx.appcompat.app.AppCompatActivity
 import androidx.core.app.ActivityCompat
 import androidx.core.content.ContextCompat
 import androidx.fragment.app.FragmentManager
+import androidx.lifecycle.lifecycleScope
 import androidx.preference.*
 import androidx.preference.Preference.OnPreferenceClickListener
 import io.heckel.ntfy.BuildConfig
@ -24,6 +26,10 @@ import io.heckel.ntfy.service.SubscriberService
 import io.heckel.ntfy.util.formatBytes
 import io.heckel.ntfy.util.formatDateShort
 import io.heckel.ntfy.util.toPriorityString
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.launch
+import java.text.SimpleDateFormat
+import java.util.*

 class SettingsActivity : AppCompatActivity() {
    private lateinit var fragment: SettingsFragment
@ -154,68 +160,6 @@ class SettingsActivity : AppCompatActivity() {
                }
            }

-            // Connection protocol
-            val connectionProtocolPrefId = context?.getString(R.string.settings_advanced_connection_protocol_key) ?: return
-            val connectionProtocol: ListPreference? = findPreference(connectionProtocolPrefId)
-            connectionProtocol?.value = repository.getConnectionProtocol()
-            connectionProtocol?.preferenceDataStore = object : PreferenceDataStore() {
-                override fun putString(key: String?, value: String?) {
-                    val proto = value ?: repository.getConnectionProtocol()
-                    repository.setConnectionProtocol(proto)
-                    restartService()
-                }
-                override fun getString(key: String?, defValue: String?): String {
-                    return repository.getConnectionProtocol()
-                }
-            }
-            connectionProtocol?.summaryProvider = Preference.SummaryProvider<ListPreference> { pref ->
-                when (pref.value) {
-                    Repository.CONNECTION_PROTOCOL_WS -> getString(R.string.settings_advanced_connection_protocol_summary_ws)
-                    else -> getString(R.string.settings_advanced_connection_protocol_summary_jsonhttp)
-                }
-            }
-
-            // Permanent wakelock enabled
-            val wakelockEnabledPrefId = context?.getString(R.string.settings_advanced_wakelock_key) ?: return
-            val wakelockEnabled: SwitchPreference? = findPreference(wakelockEnabledPrefId)
-            wakelockEnabled?.isChecked = repository.getWakelockEnabled()
-            wakelockEnabled?.preferenceDataStore = object : PreferenceDataStore() {
-                override fun putBoolean(key: String?, value: Boolean) {
-                    repository.setWakelockEnabled(value)
-                    restartService()
-                }
-                override fun getBoolean(key: String?, defValue: Boolean): Boolean {
-                    return repository.getWakelockEnabled()
-                }
-            }
-            wakelockEnabled?.summaryProvider = Preference.SummaryProvider<SwitchPreference> { pref ->
-                if (pref.isChecked) {
-                    getString(R.string.settings_advanced_wakelock_summary_enabled)
-                } else {
-                    getString(R.string.settings_advanced_wakelock_summary_disabled)
-                }
-            }
-
-            // Broadcast enabled
-            val broadcastEnabledPrefId = context?.getString(R.string.settings_advanced_broadcast_key) ?: return
-            val broadcastEnabled: SwitchPreference? = findPreference(broadcastEnabledPrefId)
-            broadcastEnabled?.isChecked = repository.getBroadcastEnabled()
-            broadcastEnabled?.preferenceDataStore = object : PreferenceDataStore() {
-                override fun putBoolean(key: String?, value: Boolean) {
-                    repository.setBroadcastEnabled(value)
-                }
-                override fun getBoolean(key: String?, defValue: Boolean): Boolean {
-                    return repository.getBroadcastEnabled()
-                }
-            }
-            broadcastEnabled?.summaryProvider = Preference.SummaryProvider<SwitchPreference> { pref ->
-                if (pref.isChecked) {
-                    getString(R.string.settings_advanced_broadcast_summary_enabled)
-                } else {
-                    getString(R.string.settings_advanced_broadcast_summary_disabled)
-                }
-            }
-
            // UnifiedPush enabled
            val upEnabledPrefId = context?.getString(R.string.settings_unified_push_enabled_key) ?: return
            val upEnabled: SwitchPreference? = findPreference(upEnabledPrefId)
@ -258,6 +202,123 @@ class SettingsActivity : AppCompatActivity() {
                }
            }

+            // Broadcast enabled
+            val broadcastEnabledPrefId = context?.getString(R.string.settings_advanced_broadcast_key) ?: return
+            val broadcastEnabled: SwitchPreference? = findPreference(broadcastEnabledPrefId)
+            broadcastEnabled?.isChecked = repository.getBroadcastEnabled()
+            broadcastEnabled?.preferenceDataStore = object : PreferenceDataStore() {
+                override fun putBoolean(key: String?, value: Boolean) {
+                    repository.setBroadcastEnabled(value)
+                }
+                override fun getBoolean(key: String?, defValue: Boolean): Boolean {
+                    return repository.getBroadcastEnabled()
+                }
+            }
+            broadcastEnabled?.summaryProvider = Preference.SummaryProvider<SwitchPreference> { pref ->
+                if (pref.isChecked) {
+                    getString(R.string.settings_advanced_broadcast_summary_enabled)
+                } else {
+                    getString(R.string.settings_advanced_broadcast_summary_disabled)
+                }
+            }
+
+            // Copy logs
+            val copyLogsPrefId = context?.getString(R.string.settings_advanced_copy_logs_key) ?: return
+            val copyLogs: Preference? = findPreference(copyLogsPrefId)
+            copyLogs?.isVisible = Log.getRecord()
+            copyLogs?.preferenceDataStore = object : PreferenceDataStore() { } // Dummy store to protect from accidentally overwriting
+            copyLogs?.onPreferenceClickListener = OnPreferenceClickListener {
+                copyLogsToClipboard()
+                true
+            }
+
+            // Record logs
+            val recordLogsPrefId = context?.getString(R.string.settings_advanced_record_logs_key) ?: return
+            val recordLogsEnabled: SwitchPreference? = findPreference(recordLogsPrefId)
+            recordLogsEnabled?.isChecked = Log.getRecord()
+            recordLogsEnabled?.preferenceDataStore = object : PreferenceDataStore() {
+                override fun putBoolean(key: String?, value: Boolean) {
+                    repository.setRecordLogsEnabled(value)
+                    Log.setRecord(value)
+                    copyLogs?.isVisible = value
+                }
+                override fun getBoolean(key: String?, defValue: Boolean): Boolean {
+                    return Log.getRecord()
+                }
+            }
+            recordLogsEnabled?.summaryProvider = Preference.SummaryProvider<SwitchPreference> { pref ->
+                if (pref.isChecked) {
+                    getString(R.string.settings_advanced_record_logs_summary_enabled)
+                } else {
+                    getString(R.string.settings_advanced_record_logs_summary_disabled)
+                }
+            }
+            recordLogsEnabled?.setOnPreferenceChangeListener { _, v ->
+                val newValue = v as Boolean
+                if (!newValue) {
+                    val dialog = AlertDialog.Builder(activity)
+                        .setMessage(R.string.settings_advanced_record_logs_delete_dialog_message)
+                        .setPositiveButton(R.string.settings_advanced_record_logs_delete_dialog_button_delete) { _, _ ->
+                            lifecycleScope.launch(Dispatchers.IO) {
+                                Log.deleteAll()
+                            }                        }
+                        .setNegativeButton(R.string.settings_advanced_record_logs_delete_dialog_button_keep) { _, _ ->
+                            // Do nothing
+                        }
+                        .create()
+                    dialog
+                        .setOnShowListener {
+                            dialog
+                                .getButton(AlertDialog.BUTTON_POSITIVE)
+                                .setTextColor(ContextCompat.getColor(requireContext(), R.color.primaryDangerButtonColor))
+                        }
+                        dialog.show()
+                }
+                true
+            }
+
+            // Connection protocol
+            val connectionProtocolPrefId = context?.getString(R.string.settings_advanced_connection_protocol_key) ?: return
+            val connectionProtocol: ListPreference? = findPreference(connectionProtocolPrefId)
+            connectionProtocol?.value = repository.getConnectionProtocol()
+            connectionProtocol?.preferenceDataStore = object : PreferenceDataStore() {
+                override fun putString(key: String?, value: String?) {
+                    val proto = value ?: repository.getConnectionProtocol()
+                    repository.setConnectionProtocol(proto)
+                    restartService()
+                }
+                override fun getString(key: String?, defValue: String?): String {
+                    return repository.getConnectionProtocol()
+                }
+            }
+            connectionProtocol?.summaryProvider = Preference.SummaryProvider<ListPreference> { pref ->
+                when (pref.value) {
+                    Repository.CONNECTION_PROTOCOL_WS -> getString(R.string.settings_advanced_connection_protocol_summary_ws)
+                    else -> getString(R.string.settings_advanced_connection_protocol_summary_jsonhttp)
+                }
+            }
+
+            // Permanent wakelock enabled
+            val wakelockEnabledPrefId = context?.getString(R.string.settings_advanced_wakelock_key) ?: return
+            val wakelockEnabled: SwitchPreference? = findPreference(wakelockEnabledPrefId)
+            wakelockEnabled?.isChecked = repository.getWakelockEnabled()
+            wakelockEnabled?.preferenceDataStore = object : PreferenceDataStore() {
+                override fun putBoolean(key: String?, value: Boolean) {
+                    repository.setWakelockEnabled(value)
+                    restartService()
+                }
+                override fun getBoolean(key: String?, defValue: Boolean): Boolean {
+                    return repository.getWakelockEnabled()
+                }
+            }
+            wakelockEnabled?.summaryProvider = Preference.SummaryProvider<SwitchPreference> { pref ->
+                if (pref.isChecked) {
+                    getString(R.string.settings_advanced_wakelock_summary_enabled)
+                } else {
+                    getString(R.string.settings_advanced_wakelock_summary_disabled)
+                }
+            }
+
            // Version
            val versionPrefId = context?.getString(R.string.settings_about_version_key) ?: return
            val versionPref: Preference? = findPreference(versionPrefId)
@ -266,7 +327,7 @@ class SettingsActivity : AppCompatActivity() {
            versionPref?.onPreferenceClickListener = OnPreferenceClickListener {
                val context = context ?: return@OnPreferenceClickListener false
                val clipboard = context.getSystemService(Context.CLIPBOARD_SERVICE) as ClipboardManager
-                val clip = ClipData.newPlainText("app version", version)
+                val clip = ClipData.newPlainText("ntfy version", version)
                clipboard.setPrimaryClip(clip)
                Toast
                    .makeText(context, getString(R.string.settings_about_version_copied_to_clipboard_message), Toast.LENGTH_LONG)
@ -290,6 +351,38 @@ class SettingsActivity : AppCompatActivity() {
                context?.stopService(intent) // Service will auto-restart
            }
        }
+
+        private fun copyLogsToClipboard() {
+            lifecycleScope.launch(Dispatchers.IO) {
+                val log = Log.getAll().joinToString(separator = "\n") { e ->
+                    val date = SimpleDateFormat("yyyy-MM-dd HH:mm:ss.SSS").format(Date(e.timestamp))
+                    val level = when (e.level) {
+                        android.util.Log.DEBUG -> "D"
+                        android.util.Log.INFO -> "I"
+                        android.util.Log.WARN -> "W"
+                        android.util.Log.ERROR -> "E"
+                        else -> "?"
+                    }
+                    val tag = e.tag.format("%-23s")
+                    val prefix = "${e.timestamp} $date $level $tag"
+                    val message = if (e.exception != null) {
+                        "${e.message}\nException:\n${e.exception}"
+                    } else {
+                        e.message
+                    }
+                    "$prefix $message"
+                }
+                val context = context ?: return@launch
+                requireActivity().runOnUiThread {
+                    val clipboard = context.getSystemService(Context.CLIPBOARD_SERVICE) as ClipboardManager
+                    val clip = ClipData.newPlainText("ntfy logs", log)
+                    clipboard.setPrimaryClip(clip)
+                    Toast
+                        .makeText(context, getString(R.string.settings_advanced_copy_logs_copied), Toast.LENGTH_LONG)
+                        .show()
+                }
+            }
+        }
    }

    override fun onRequestPermissionsResult(requestCode: Int, permissions: Array<String>, grantResults: IntArray) {
--- a/app/src/main/java/io/heckel/ntfy/util/Util.kt
+++ b/app/src/main/java/io/heckel/ntfy/util/Util.kt
@ -19,10 +19,11 @@ fun topicUrlUp(baseUrl: String, topic: String) = "${baseUrl}/${topic}?up=1" // U
 fun topicUrlJson(baseUrl: String, topic: String, since: String) = "${topicUrl(baseUrl, topic)}/json?since=$since"
 fun topicUrlWs(baseUrl: String, topic: String, since: String) = "${topicUrl(baseUrl, topic)}/ws?since=$since"
 fun topicUrlJsonPoll(baseUrl: String, topic: String, since: String) = "${topicUrl(baseUrl, topic)}/json?poll=1&since=$since"
-fun topicShortUrl(baseUrl: String, topic: String) =
-    topicUrl(baseUrl, topic)
-        .replace("http://", "")
-        .replace("https://", "")
+fun topicShortUrl(baseUrl: String, topic: String) = shortUrl(topicUrl(baseUrl, topic))
+
+fun shortUrl(url: String) = url
+    .replace("http://", "")
+    .replace("https://", "")

 fun formatDateShort(timestampSecs: Long): String {
    val date = Date(timestampSecs*1000)
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@ -230,6 +230,17 @@
    <string name="settings_advanced_broadcast_title">Broadcast messages</string>
    <string name="settings_advanced_broadcast_summary_enabled">Apps can receive incoming notifications as broadcasts</string>
    <string name="settings_advanced_broadcast_summary_disabled">Apps cannot receive notifications as broadcasts</string>
+    <string name="settings_advanced_record_logs_key">RecordLogs</string>
+    <string name="settings_advanced_record_logs_title">Record logs</string>
+    <string name="settings_advanced_record_logs_summary_enabled">Logs are currently being recorded to your device. Up to 5,000 log lines are stored.</string>
+    <string name="settings_advanced_record_logs_summary_disabled">Enable log recording, so you can share the logs later. This is useful for diagnosing issues.</string>
+    <string name="settings_advanced_record_logs_delete_dialog_message">Would you like to delete the existing logs?</string>
+    <string name="settings_advanced_record_logs_delete_dialog_button_keep">Keep logs</string>
+    <string name="settings_advanced_record_logs_delete_dialog_button_delete">Delete logs</string>
+    <string name="settings_advanced_copy_logs_key">CopyLogs</string>
+    <string name="settings_advanced_copy_logs_title">Copy logs</string>
+    <string name="settings_advanced_copy_logs_summary">Copy logs to the clipboard. Hostnames and topics are scrubbed, notifications are not.</string>
+    <string name="settings_advanced_copy_logs_copied">Copied to clipboard</string>
    <string name="settings_experimental_header">Experimental</string>
    <string name="settings_advanced_connection_protocol_key">ConnectionProtocol</string>
    <string name="settings_advanced_connection_protocol_title">Connection protocol</string>
--- a/app/src/main/res/xml/main_preferences.xml
+++ b/app/src/main/res/xml/main_preferences.xml
@ -38,6 +38,14 @@
                app:key="@string/settings_advanced_broadcast_key"
                app:title="@string/settings_advanced_broadcast_title"
                app:enabled="true"/>
+        <SwitchPreference
+                app:key="@string/settings_advanced_record_logs_key"
+                app:title="@string/settings_advanced_record_logs_title"
+                app:enabled="true"/>
+        <Preference
+                app:key="@string/settings_advanced_copy_logs_key"
+                app:title="@string/settings_advanced_copy_logs_title"
+                android:summary="@string/settings_advanced_copy_logs_summary"/>
    </PreferenceCategory>
    <PreferenceCategory app:title="@string/settings_experimental_header">
        <ListPreference