Fix repository corruption by AutofillSaveActivity (#699)

app/src/main/java/com/zeapo/pwdstore/PasswordStore.kt

@@ -796,12 +796,12 @@ class PasswordStore : AppCompatActivity() {
                     block != null && block !== UnicodeBlock.SPECIALS)
         }
 
-        fun commitChange(activity: Activity, message: String) {
+        fun commitChange(activity: Activity, message: String, finishWithResultOnEnd: Intent? = null) {
             object : GitOperation(getRepositoryDirectory(activity), activity) {
                 override fun execute() {
                     Timber.tag(TAG).d("Committing with message $message")
                     val git = Git(repository)
-                    val tasks = GitAsyncTask(activity, false, true, this)
+                    val tasks = GitAsyncTask(activity, true, this, finishWithResultOnEnd)
                     tasks.execute(
                         git.add().addFilepattern("."),
                         git.commit().setAll(true).setMessage(message)

app/src/main/java/com/zeapo/pwdstore/autofill/oreo/ui/AutofillSaveActivity.kt

@@ -120,31 +120,34 @@ class AutofillSaveActivity : Activity() {
                 AutofillMatcher.addMatchFor(this, it, File(createdPath))
             }
             val longName = data.getStringExtra("LONG_NAME")!!
-            // PgpActivity delegates committing the added file to PasswordStore. Since PasswordStore
+            val password = data.getStringExtra("PASSWORD")!!
-            // is not involved in an AutofillScenario, we have to commit the file ourself.
-            PasswordStore.commitChange(this, getString(R.string.git_commit_add_text, longName))
-
-            val password = data.getStringExtra("PASSWORD")
             val username = data.getStringExtra("USERNAME")
-            if (password != null) {
+            val clientState =
-                val clientState =
+                intent?.getBundleExtra(AutofillManager.EXTRA_CLIENT_STATE) ?: run {
-                    intent?.getBundleExtra(AutofillManager.EXTRA_CLIENT_STATE) ?: run {
+                    e { "AutofillDecryptActivity started without EXTRA_CLIENT_STATE" }
-                        e { "AutofillDecryptActivity started without EXTRA_CLIENT_STATE" }
+                    finish()
-                        finish()
+                    return
-                        return
+                }
-                    }
+            val credentials = Credentials(username, password)
-                val credentials = Credentials(username, password)
+            val fillInDataset = FillableForm.makeFillInDataset(
-                val fillInDataset = FillableForm.makeFillInDataset(
+                this,
-                    this,
+                credentials,
-                    credentials,
+                clientState,
-                    clientState,
+                AutofillAction.Generate
-                    AutofillAction.Generate
+            )
-                )
+            val result = Intent().apply {
-                setResult(RESULT_OK, Intent().apply {
+                putExtra(AutofillManager.EXTRA_AUTHENTICATION_RESULT, fillInDataset)
-                    putExtra(AutofillManager.EXTRA_AUTHENTICATION_RESULT, fillInDataset)
-                })
             }
+            // PgpActivity delegates committing the added file to PasswordStore. Since PasswordStore
+            // is not involved in an AutofillScenario, we have to commit the file ourselves.
+            PasswordStore.commitChange(
+                this,
+                getString(R.string.git_commit_add_text, longName),
+                finishWithResultOnEnd = result
+            )
+            // GitAsyncTask will finish the activity for us.
+        } else {
+            finish()
         }
-        finish()
     }
 }

app/src/main/java/com/zeapo/pwdstore/git/BreakOutOfDetached.kt

@@ -58,7 +58,7 @@ class BreakOutOfDetached(fileDir: File, callingActivity: Activity) : GitOperatio
                 }
             }
         }
-        GitAsyncTask(callingActivity, false, true, this)
+        GitAsyncTask(callingActivity, true, this, null)
                 .execute(*this.commands.toTypedArray())
     }
 

app/src/main/java/com/zeapo/pwdstore/git/CloneOperation.kt

@@ -5,6 +5,7 @@
 package com.zeapo.pwdstore.git
 
 import android.app.Activity
+import android.content.Intent
 import com.google.android.material.dialog.MaterialAlertDialogBuilder
 import com.zeapo.pwdstore.R
 import java.io.File
@@ -60,7 +61,7 @@ class CloneOperation(fileDir: File, callingActivity: Activity) : GitOperation(fi
 
     override fun execute() {
         (this.command as? CloneCommand)?.setCredentialsProvider(this.provider)
-        GitAsyncTask(callingActivity, true, false, this).execute(this.command)
+        GitAsyncTask(callingActivity, false, this, Intent()).execute(this.command)
     }
 
     override fun onError(errorMessage: String) {

app/src/main/java/com/zeapo/pwdstore/git/GitAsyncTask.java

@@ -6,6 +6,7 @@ package com.zeapo.pwdstore.git;
 
 import android.app.Activity;
 import android.app.ProgressDialog;
+import android.content.Intent;
 import android.os.AsyncTask;
 import com.zeapo.pwdstore.PasswordStore;
 import com.zeapo.pwdstore.R;
@@ -22,20 +23,20 @@ import org.eclipse.jgit.transport.RemoteRefUpdate;
 
 public class GitAsyncTask extends AsyncTask<GitCommand, Integer, String> {
     private WeakReference<Activity> activityWeakReference;
-    private boolean finishOnEnd;
     private boolean refreshListOnEnd;
     private ProgressDialog dialog;
     private GitOperation operation;
+    private Intent finishWithResultOnEnd;
 
     public GitAsyncTask(
             Activity activity,
-            boolean finishOnEnd,
             boolean refreshListOnEnd,
-            GitOperation operation) {
+            GitOperation operation,
+            Intent finishWithResultOnEnd) {
         this.activityWeakReference = new WeakReference<>(activity);
-        this.finishOnEnd = finishOnEnd;
         this.refreshListOnEnd = refreshListOnEnd;
         this.operation = operation;
+        this.finishWithResultOnEnd = finishWithResultOnEnd;
 
         dialog = new ProgressDialog(getActivity());
     }
@@ -124,8 +125,8 @@ public class GitAsyncTask extends AsyncTask<GitCommand, Integer, String> {
         } else {
             this.operation.onSuccess();
 
-            if (finishOnEnd) {
+            if (finishWithResultOnEnd != null) {
-                this.getActivity().setResult(Activity.RESULT_OK);
+                this.getActivity().setResult(Activity.RESULT_OK, finishWithResultOnEnd);
                 this.getActivity().finish();
             }
 

app/src/main/java/com/zeapo/pwdstore/git/PullOperation.kt

@@ -5,6 +5,7 @@
 package com.zeapo.pwdstore.git
 
 import android.app.Activity
+import android.content.Intent
 import com.google.android.material.dialog.MaterialAlertDialogBuilder
 import com.zeapo.pwdstore.R
 import java.io.File
@@ -34,7 +35,7 @@ class PullOperation(fileDir: File, callingActivity: Activity) : GitOperation(fil
 
     override fun execute() {
         (this.command as? PullCommand)?.setCredentialsProvider(this.provider)
-        GitAsyncTask(callingActivity, true, false, this).execute(this.command)
+        GitAsyncTask(callingActivity, false, this, Intent()).execute(this.command)
     }
 
     override fun onError(errorMessage: String) {

app/src/main/java/com/zeapo/pwdstore/git/PushOperation.kt

@@ -5,6 +5,7 @@
 package com.zeapo.pwdstore.git
 
 import android.app.Activity
+import android.content.Intent
 import com.google.android.material.dialog.MaterialAlertDialogBuilder
 import com.zeapo.pwdstore.R
 import java.io.File
@@ -34,7 +35,7 @@ class PushOperation(fileDir: File, callingActivity: Activity) : GitOperation(fil
 
     override fun execute() {
         (this.command as? PushCommand)?.setCredentialsProvider(this.provider)
-        GitAsyncTask(callingActivity, true, false, this).execute(this.command)
+        GitAsyncTask(callingActivity, false, this, Intent()).execute(this.command)
     }
 
     override fun onError(errorMessage: String) {

app/src/main/java/com/zeapo/pwdstore/git/ResetToRemoteOperation.kt

@@ -5,6 +5,7 @@
 package com.zeapo.pwdstore.git
 
 import android.app.Activity
+import android.content.Intent
 import com.google.android.material.dialog.MaterialAlertDialogBuilder
 import com.zeapo.pwdstore.R
 import java.io.File
@@ -39,7 +40,7 @@ class ResetToRemoteOperation(fileDir: File, callingActivity: Activity) : GitOper
 
     override fun execute() {
         this.fetchCommand?.setCredentialsProvider(this.provider)
-        GitAsyncTask(callingActivity, true, false, this)
+        GitAsyncTask(callingActivity, false, this, Intent())
                 .execute(this.addCommand, this.fetchCommand, this.resetCommand)
     }
 

app/src/main/java/com/zeapo/pwdstore/git/SyncOperation.kt

@@ -5,6 +5,7 @@
 package com.zeapo.pwdstore.git
 
 import android.app.Activity
+import android.content.Intent
 import com.google.android.material.dialog.MaterialAlertDialogBuilder
 import com.zeapo.pwdstore.R
 import java.io.File
@@ -48,7 +49,7 @@ class SyncOperation(fileDir: File, callingActivity: Activity) : GitOperation(fil
             this.pullCommand?.setCredentialsProvider(this.provider)
             this.pushCommand?.setCredentialsProvider(this.provider)
         }
-        GitAsyncTask(callingActivity, true, false, this).execute(this.addCommand, this.statusCommand, this.commitCommand, this.pullCommand, this.pushCommand)
+        GitAsyncTask(callingActivity, false, this, Intent()).execute(this.addCommand, this.statusCommand, this.commitCommand, this.pullCommand, this.pushCommand)
     }
 
     override fun onError(errorMessage: String) {