Add content provider in order to prevent the use of init in Applicati…

…on class
ptsiogas4 · May 29, 2019 · 057d3d2 · 057d3d2
1 parent 8e5f932
commit 057d3d2
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Showing 5 changed files with 58 additions and 4 deletions.
diff --git a/.idea/misc.xml b/.idea/misc.xml
diff --git a/app/src/main/java/ptsiogas/gr/securestorage/MainActivity.kt b/app/src/main/java/ptsiogas/gr/securestorage/MainActivity.kt
@@ -10,7 +10,6 @@ class MainActivity : AppCompatActivity() {
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
         setContentView(R.layout.activity_main)
-        SecureBoxHelper.instance.init(this)
         val sampleText = "This is a properly decrypted text."
         testTextView.text = sampleText
         SecureBoxHelper.instance.encryptString("testVar", sampleText, "mySecurePassword")

diff --git a/securebox/src/main/AndroidManifest.xml b/securebox/src/main/AndroidManifest.xml
@@ -1,2 +1,10 @@
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
-          package="ptsiogas.gr.securebox"/>
+          package="ptsiogas.gr.securebox">
+
+    <application>
+
+        <provider
+                android:name=".SecureBoxContentProvider"
+                android:authorities="${applicationId}.SecureBoxContentProvider" />
+    </application>
+</manifest>
diff --git a/securebox/src/main/java/ptsiogas/gr/securebox/SecureBoxContentProvider.kt b/securebox/src/main/java/ptsiogas/gr/securebox/SecureBoxContentProvider.kt
@@ -0,0 +1,47 @@
+package ptsiogas.gr.securebox
+
+import android.content.ContentProvider
+import android.content.ContentValues
+import android.database.Cursor
+import android.net.Uri
+
+class SecureBoxContentProvider : ContentProvider() {
+    override fun onCreate(): Boolean {
+        if (this.context != null) {
+            SecureBoxHelper.instance.init(this.context)
+        }
+        return true
+    }
+
+    override fun insert(uri: Uri, values: ContentValues?): Uri {
+        //do nothing
+        return uri
+    }
+
+    override fun query(
+        uri: Uri,
+        projection: Array<out String>?,
+        selection: String?,
+        selectionArgs: Array<out String>?,
+        sortOrder: String?
+    ): Cursor {
+        throw Exception("unimplemented")
+    }
+
+    override fun update(
+        uri: Uri,
+        values: ContentValues?,
+        selection: String?,
+        selectionArgs: Array<out String>?
+    ): Int {
+        throw Exception("unimplemented")
+    }
+
+    override fun delete(uri: Uri, selection: String?, selectionArgs: Array<out String>?): Int {
+        throw Exception("unimplemented")
+    }
+
+    override fun getType(uri: Uri): String {
+        throw Exception("unimplemented")
+    }
+}
diff --git a/securebox/src/main/java/ptsiogas/gr/securebox/SecureBoxHelper.kt b/securebox/src/main/java/ptsiogas/gr/securebox/SecureBoxHelper.kt
@@ -29,7 +29,7 @@ class SecureBoxHelper {
     private var context: Context? = null
 
     // only call from App!
-    fun init(appContext: Context) {
+    fun init(appContext: Context?) {
         this.context = appContext
     }