improved FileProvider usage

FlowCrypt/src/androidTest/java/com/flowcrypt/email/base/BaseTest.kt

@@ -42,6 +42,7 @@ import androidx.test.uiautomator.UiDevice
 import androidx.test.uiautomator.UiSelector
 import androidx.test.uiautomator.Until
 import com.flowcrypt.email.BuildConfig
+import com.flowcrypt.email.Constants
 import com.flowcrypt.email.R
 import com.flowcrypt.email.api.email.MsgsCacheManager
 import com.flowcrypt.email.api.email.model.AttachmentInfo
@@ -387,5 +388,8 @@ abstract class BaseTest : BaseActivityTestImplementation {
   companion object{
     const val NOTIFICATION_RESOURCES_NAME =
       "com.android.systemui:id/expandableNotificationRow"
+
+    val SHARED_FOLDER = InstrumentationRegistry.getInstrumentation().targetContext
+      .getExternalFilesDir(Constants.EXTERNAL_FILES_PATH_SHARED)
   }
 }

FlowCrypt/src/androidTest/java/com/flowcrypt/email/ui/ComposeScreenFlowTest.kt

@@ -97,7 +97,7 @@ import java.util.concurrent.TimeUnit
 @RunWith(AndroidJUnit4::class)
 class ComposeScreenFlowTest : BaseComposeScreenTest() {
   private val addPrivateKeyToDatabaseRule = AddPrivateKeyToDatabaseRule()
-  private val temporaryFolderRule = TemporaryFolder()
+  private val temporaryFolderRule = TemporaryFolder.builder().parentFolder(SHARED_FOLDER).build()
 
   @get:Rule
   var ruleChain: TestRule = RuleChain
@@ -907,7 +907,7 @@ class ComposeScreenFlowTest : BaseComposeScreenTest() {
 
     @get:ClassRule
     @JvmStatic
-    val temporaryFolderRule = TemporaryFolder()
+    val temporaryFolderRule = TemporaryFolder.builder().parentFolder(SHARED_FOLDER).build()
 
     @get:ClassRule
     @JvmStatic

FlowCrypt/src/androidTest/java/com/flowcrypt/email/ui/ComposeScreenPasswordProtectedFlowTest.kt

@@ -1,6 +1,6 @@
 /*
  * © 2016-present FlowCrypt a.s. Limitations apply. Contact human@flowcrypt.com
- * Contributors: DenBond7
+ * Contributors: denbond7
  */
 
 package com.flowcrypt.email.ui
@@ -48,7 +48,7 @@ import org.junit.runner.RunWith
 @RunWith(AndroidJUnit4::class)
 class ComposeScreenPasswordProtectedFlowTest : BaseComposeScreenTest() {
   private val addPrivateKeyToDatabaseRule = AddPrivateKeyToDatabaseRule()
-  private val temporaryFolderRule = TemporaryFolder()
+  private val temporaryFolderRule = TemporaryFolder.builder().parentFolder(SHARED_FOLDER).build()
 
   override val addAccountToDatabaseRule: AddAccountToDatabaseRule
     get() = AddAccountToDatabaseRule(

FlowCrypt/src/androidTest/java/com/flowcrypt/email/ui/PublicKeyDetailsFlowTest.kt

@@ -1,14 +1,13 @@
 /*
  * © 2016-present FlowCrypt a.s. Limitations apply. Contact human@flowcrypt.com
- * Contributors: DenBond7
+ * Contributors: denbond7
  */
 
 package com.flowcrypt.email.ui
 
 import android.app.Activity
 import android.app.Instrumentation
 import android.content.Intent
-import android.os.Environment
 import androidx.core.content.FileProvider
 import androidx.test.core.app.ApplicationProvider
 import androidx.test.espresso.Espresso.onView
@@ -145,7 +144,7 @@ class PublicKeyDetailsFlowTest : BaseTest() {
     val fileName = "0x" + keyDetails.fingerprint + "-" + sanitizedEmail + "-publickey" + ".asc"
 
     val file =
-      File(getTargetContext().getExternalFilesDir(Environment.DIRECTORY_DOCUMENTS), fileName)
+      File(getTargetContext().getExternalFilesDir(Constants.EXTERNAL_FILES_PATH_SHARED), fileName)
 
     if (file.exists()) {
       file.delete()

FlowCrypt/src/androidTest/java/com/flowcrypt/email/ui/PublicKeyDetailsHideArmorMetaFlowTest.kt

@@ -8,7 +8,6 @@ package com.flowcrypt.email.ui
 import android.app.Activity
 import android.app.Instrumentation
 import android.content.Intent
-import android.os.Environment
 import androidx.core.content.FileProvider
 import androidx.test.espresso.Espresso.onView
 import androidx.test.espresso.action.ViewActions.click
@@ -122,7 +121,7 @@ class PublicKeyDetailsHideArmorMetaFlowTest : BaseTest() {
     val fileName = "0x" + keyDetails.fingerprint + "-" + sanitizedEmail + "-publickey" + ".asc"
 
     val file =
-      File(getTargetContext().getExternalFilesDir(Environment.DIRECTORY_DOCUMENTS), fileName)
+      File(getTargetContext().getExternalFilesDir(Constants.EXTERNAL_FILES_PATH_SHARED), fileName)
 
     if (file.exists()) {
       file.delete()

FlowCrypt/src/androidTest/java/com/flowcrypt/email/ui/fragment/isolation/incontainer/PrivateKeyDetailsFragmentInIsolationTest.kt

@@ -1,14 +1,13 @@
 /*
  * © 2016-present FlowCrypt a.s. Limitations apply. Contact human@flowcrypt.com
- * Contributors: DenBond7
+ * Contributors: denbond7
  */
 
 package com.flowcrypt.email.ui.fragment.isolation.incontainer
 
 import android.app.Activity
 import android.app.Instrumentation
 import android.content.Intent
-import android.os.Environment
 import androidx.core.content.FileProvider
 import androidx.recyclerview.widget.RecyclerView
 import androidx.test.espresso.Espresso.onView
@@ -164,7 +163,7 @@ class PrivateKeyDetailsFragmentInIsolationTest : BaseTest() {
     val details = addPrivateKeyToDatabaseRule.pgpKeyRingDetails
 
     val file = File(
-      getTargetContext().getExternalFilesDir(Environment.DIRECTORY_DOCUMENTS),
+      getTargetContext().getExternalFilesDir(Constants.EXTERNAL_FILES_PATH_SHARED),
       "0x" + details.fingerprint + ".asc"
     )
 

FlowCrypt/src/androidTest/java/com/flowcrypt/email/util/TestGeneralUtil.kt

@@ -1,6 +1,6 @@
 /*
  * © 2016-present FlowCrypt a.s. Limitations apply. Contact human@flowcrypt.com
- * Contributors: ivan
+ * Contributors: denbond7
  */
 
 package com.flowcrypt.email.util
@@ -9,7 +9,6 @@ import android.app.Activity
 import android.content.Context
 import android.content.Intent
 import android.os.Bundle
-import android.os.Environment
 import androidx.core.content.FileProvider
 import androidx.navigation.NavDeepLinkBuilder
 import androidx.test.core.app.ApplicationProvider
@@ -97,7 +96,7 @@ object TestGeneralUtil {
   fun createFileWithContent(fileName: String, byteArray: ByteArray): File {
     val file = File(
       InstrumentationRegistry.getInstrumentation().targetContext
-        .getExternalFilesDir(Environment.DIRECTORY_DOCUMENTS), fileName
+        .getExternalFilesDir(Constants.EXTERNAL_FILES_PATH_SHARED), fileName
     )
     try {
       FileOutputStream(file).use { outputStream -> outputStream.write(byteArray) }

FlowCrypt/src/main/java/com/flowcrypt/email/Constants.kt

@@ -1,6 +1,6 @@
 /*
  * © 2016-present FlowCrypt a.s. Limitations apply. Contact human@flowcrypt.com
- * Contributors: DenBond7
+ * Contributors: denbond7
  */
 
 package com.flowcrypt.email
@@ -74,6 +74,7 @@ class Constants {
     const val FORWARDED_ATTACHMENTS_CACHE_DIR = "forwarded"
     const val ATTACHMENTS_CACHE_DIR = "attachments"
     const val DRAFT_CACHE_DIR = "draft"
+    const val EXTERNAL_FILES_PATH_SHARED = "shared"
 
     /**
      * The password quality types.

FlowCrypt/src/main/java/com/flowcrypt/email/jetpack/viewmodel/ComposeMsgViewModel.kt

@@ -7,7 +7,10 @@ package com.flowcrypt.email.jetpack.viewmodel
 
 import android.app.Application
 import android.content.ContentResolver
+import android.content.Context
+import android.net.Uri
 import androidx.lifecycle.viewModelScope
+import com.flowcrypt.email.Constants
 import com.flowcrypt.email.api.email.model.AttachmentInfo
 import com.flowcrypt.email.api.email.model.OutgoingMessageInfo
 import com.flowcrypt.email.api.retrofit.response.base.Result
@@ -24,6 +27,7 @@ import kotlinx.coroutines.flow.asStateFlow
 import kotlinx.coroutines.flow.combine
 import kotlinx.coroutines.flow.update
 import kotlinx.coroutines.launch
+import java.io.File
 import java.io.InvalidObjectException
 
 /**
@@ -99,9 +103,19 @@ class ComposeMsgViewModel(isCandidateToEncrypt: Boolean, application: Applicatio
   val allRecipients: Map<String, RecipientItem>
     get() = recipientsTo + recipientsCc + recipientsBcc
 
-  val hasAttachmentsWithExternalStorageUri: Boolean
-    get() = attachmentsStateFlow.value.any {
-      ContentResolver.SCHEME_FILE.equals(it.uri?.scheme, ignoreCase = true)
+  val hasAttachmentsWittForeignExternalStorageUri: Boolean
+    get() {
+      val context: Context = getApplication()
+      val draftsCacheDirUri = Uri.fromFile(File(context.cacheDir, Constants.DRAFT_CACHE_DIR))
+
+      return attachmentsStateFlow.value.any {
+        val parentUri = it.uri?.buildUpon()?.path(
+          it.uri.path?.dropLast(it.uri.lastPathSegment?.length?.plus(1) ?: 0)
+        )?.build()
+
+        ContentResolver.SCHEME_FILE.equals(it.uri?.scheme, ignoreCase = true)
+            && parentUri != draftsCacheDirUri
+      }
     }
 
   private val outgoingMessageInfoMutableStateFlow: MutableStateFlow<OutgoingMessageInfo> =