7 files changed, 125 insertions, 17 deletions

diff --git a/app/src/main/java/org/pacien/tincapp/activities/start/ErrorNotificationFragment.kt b/app/src/main/java/org/pacien/tincapp/activities/start/ErrorNotificationFragment.kt
index 08dab8d..f629623 100644
--- a/app/src/main/java/org/pacien/tincapp/activities/start/ErrorNotificationFragment.kt
+++ b/app/src/main/java/org/pacien/tincapp/activities/start/ErrorNotificationFragment.kt
@@ -1,6 +1,6 @@
 /*
  * Tinc Mesh VPN: Android client and user interface
- * Copyright (C) 2017-2023 Euxane P. TRAN-GIRARD
+ * Copyright (C) 2017-2024 Euxane P. TRAN-GIRARD
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -27,6 +27,8 @@ import org.pacien.tincapp.activities.BaseFragment
 import org.pacien.tincapp.context.App
 import org.pacien.tincapp.context.AppNotificationManager
 import org.pacien.tincapp.databinding.StartErrorNotificationBinding
+import org.pacien.tincapp.storageprovider.BrowseFilesIntents
+import org.pacien.tincapp.storageprovider.FilesDocumentsProvider
 
 /**
  * @author euxane
@@ -56,5 +58,7 @@ class ErrorNotificationFragment : BaseFragment() {
     val maybeError = notificationManager.getError()
     viewBinding.errorNotification = maybeError
     viewBinding.openManualAction = { App.openURL(maybeError?.manualLink!!) }
+    viewBinding.openConfigDirAction = { openDocumentTree(BrowseFilesIntents.networkConfigDirDocId(maybeError?.configDir)) }
+    viewBinding.openLogDirAction = { openDocumentTree(FilesDocumentsProvider.VIRTUAL_ROOT_LOGS) }
   }
 }
diff --git a/app/src/main/java/org/pacien/tincapp/context/App.kt b/app/src/main/java/org/pacien/tincapp/context/App.kt
index 6145c65..e6402d2 100644
--- a/app/src/main/java/org/pacien/tincapp/context/App.kt
+++ b/app/src/main/java/org/pacien/tincapp/context/App.kt
@@ -70,8 +70,20 @@ class App : Application() {
         .packageManager
         .getApplicationInfo(BuildConfig.APPLICATION_ID, 0)
 
-    fun alert(@StringRes title: Int, msg: String, manualLink: String? = null) =
-      notificationManager.notifyError(appContext!!.getString(title), msg, manualLink)
+    fun alert(
+      @StringRes title: Int,
+      msg: String,
+      manualLink: String? = null,
+      configDir: String? = null,
+      proposeLogs: Boolean = false,
+    ) =
+      notificationManager.notifyError(
+        appContext!!.getString(title),
+        msg,
+        manualLink,
+        configDir,
+        proposeLogs,
+      )
 
     fun openURL(url: String) {
       val intent = Intent(Intent.ACTION_VIEW, Uri.parse(url))
diff --git a/app/src/main/java/org/pacien/tincapp/context/AppNotificationManager.kt b/app/src/main/java/org/pacien/tincapp/context/AppNotificationManager.kt
index c7a5ade..f4332e9 100644
--- a/app/src/main/java/org/pacien/tincapp/context/AppNotificationManager.kt
+++ b/app/src/main/java/org/pacien/tincapp/context/AppNotificationManager.kt
@@ -1,6 +1,6 @@
 /*
  * Tinc Mesh VPN: Android client and user interface
- * Copyright (C) 2017-2023 Euxane P. TRAN-GIRARD
+ * Copyright (C) 2017-2024 Euxane P. TRAN-GIRARD
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -28,7 +28,9 @@ class AppNotificationManager(private val context: Context) {
   data class ErrorNotification(
     val title: String,
     val message: String,
-    val manualLink: String?
+    val manualLink: String?,
+    val configDir: String?,
+    val proposeLogs: Boolean,
   )
 
   companion object {
@@ -36,6 +38,8 @@ class AppNotificationManager(private val context: Context) {
     private const val STORE_KEY_TITLE = "title"
     private const val STORE_KEY_MESSAGE = "message"
     private const val STORE_KEY_MANUAL_LINK = "manual_link"
+    private const val STORE_CONFIG_DIR = "config_dir"
+    private const val STORE_PROPOSE_LOGS = "propose_logs_dir"
   }
 
   private val store by lazy { context.getSharedPreferences(STORE_NAME, Context.MODE_PRIVATE)!! }
@@ -46,16 +50,26 @@ class AppNotificationManager(private val context: Context) {
     return ErrorNotification(
       store.getString(STORE_KEY_TITLE, null)!!,
       store.getString(STORE_KEY_MESSAGE, null)!!,
-      store.getString(STORE_KEY_MANUAL_LINK, null)
+      store.getString(STORE_KEY_MANUAL_LINK, null),
+      store.getString(STORE_CONFIG_DIR, null),
+      store.getBoolean(STORE_PROPOSE_LOGS, false),
     )
   }
 
-  fun notifyError(title: String, message: String, manualLink: String? = null) {
+  fun notifyError(
+    title: String,
+    message: String,
+    manualLink: String? = null,
+    configDir: String? = null,
+    proposeLogs: Boolean = false,
+  ) {
     store
       .edit()
       .putString(STORE_KEY_TITLE, title)
       .putString(STORE_KEY_MESSAGE, message)
       .putString(STORE_KEY_MANUAL_LINK, manualLink)
+      .putString(STORE_CONFIG_DIR, configDir)
+      .putBoolean(STORE_PROPOSE_LOGS, proposeLogs)
       .apply()
   }
 
diff --git a/app/src/main/java/org/pacien/tincapp/service/TincVpnService.kt b/app/src/main/java/org/pacien/tincapp/service/TincVpnService.kt
index 47ba0ec..77d7e96 100644
--- a/app/src/main/java/org/pacien/tincapp/service/TincVpnService.kt
+++ b/app/src/main/java/org/pacien/tincapp/service/TincVpnService.kt
@@ -123,11 +123,23 @@ class TincVpnService : VpnService() {
     val interfaceCfg = try {
       VpnInterfaceConfiguration.fromIfaceConfiguration(AppPaths.existing(AppPaths.netConfFile(netName)))
     } catch (e: FileNotFoundException) {
-      return reportError(resources.getString(R.string.notification_error_message_network_config_not_found_format, e.defaultMessage()), e, "configuration")
+      return reportError(
+        resources.getString(R.string.notification_error_message_network_config_not_found_format, e.defaultMessage()),
+        e,
+        docTopic = "configuration"
+      )
     } catch (e: ConversionException) {
-      return reportError(resources.getString(R.string.notification_error_message_network_config_invalid_format, e.defaultMessage()), e, "network-interface")
+      return reportError(
+        resources.getString(R.string.notification_error_message_network_config_invalid_format, e.defaultMessage()),
+        e,
+        docTopic = "network-interface",
+      )
     } catch (e: Exception) {
-      return reportError(resources.getString(R.string.notification_error_message_could_not_read_network_configuration_format, e.defaultMessage()), e)
+      return reportError(
+        resources.getString(R.string.notification_error_message_could_not_read_network_configuration_format, e.defaultMessage()),
+        e,
+        configDir = netName,
+      )
     }
 
     val deviceFd = try {
@@ -138,11 +150,24 @@ class TincVpnService : VpnService() {
         .also { if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.Q) it.setMetered(false) }
         .establish()!!
     } catch (e: IllegalArgumentException) {
-      return reportError(resources.getString(R.string.notification_error_message_network_config_invalid_format, e.defaultMessage()), e, "network-interface")
+      return reportError(
+        resources.getString(R.string.notification_error_message_network_config_invalid_format, e.defaultMessage()),
+        e,
+        docTopic = "network-interface",
+        configDir = netName,
+      )
     } catch (e: NullPointerException) {
-      return reportError(resources.getString(R.string.notification_error_message_could_not_bind_iface), e)
+      return reportError(
+        resources.getString(R.string.notification_error_message_could_not_bind_iface),
+        e,
+        proposeLogs = true,
+      )
     } catch (e: Exception) {
-      return reportError(resources.getString(R.string.notification_error_message_could_not_configure_iface, e.defaultMessage()), e)
+      return reportError(
+        resources.getString(R.string.notification_error_message_could_not_configure_iface, e.defaultMessage()),
+        e,
+        proposeLogs = true,