From e80c6785986b481903d51f1ceaef394b5ae9f445 Mon Sep 17 00:00:00 2001
From: Erik Johansson <erik@ejohansson.se>
Date: Sun, 30 Sep 2018 20:36:51 +0200
Subject: [PATCH] Add option to enable third-party application access

Defaults to off. Needs to be enabled for the data provider to return data.
---
 .../openscale/core/database/ScaleDatabaseProvider.java    | 7 +++++++
 android_app/app/src/main/res/values/strings.xml           | 1 +
 android_app/app/src/main/res/xml/general_preferences.xml  | 8 +++++++-
 3 files changed, 15 insertions(+), 1 deletion(-)

diff --git a/android_app/app/src/main/java/com/health/openscale/core/database/ScaleDatabaseProvider.java b/android_app/app/src/main/java/com/health/openscale/core/database/ScaleDatabaseProvider.java
index 894287ac..66797bbf 100644
--- a/android_app/app/src/main/java/com/health/openscale/core/database/ScaleDatabaseProvider.java
+++ b/android_app/app/src/main/java/com/health/openscale/core/database/ScaleDatabaseProvider.java
@@ -22,6 +22,7 @@ import android.content.UriMatcher;
 import android.database.Cursor;
 import android.database.MatrixCursor;
 import android.net.Uri;
+import android.preference.PreferenceManager;
 
 import com.health.openscale.BuildConfig;
 import com.health.openscale.core.OpenScale;
@@ -86,6 +87,12 @@ public class ScaleDatabaseProvider extends android.content.ContentProvider {
     public Cursor query(Uri uri, String[] projection, String selection,
                         String[] selectionArgs, String sortOrder) {
         final Context context = getContext();
+
+        if (!PreferenceManager.getDefaultSharedPreferences(context)
+                .getBoolean("dataProviderEnable", false)) {
+            throw new UnsupportedOperationException("Provider access not enabled");
+        }
+
         Cursor cursor;
 
         switch (uriMatcher.match(uri)) {
diff --git a/android_app/app/src/main/res/values/strings.xml b/android_app/app/src/main/res/values/strings.xml
index a28d4acf..672b93b7 100644
--- a/android_app/app/src/main/res/values/strings.xml
+++ b/android_app/app/src/main/res/values/strings.xml
@@ -243,4 +243,5 @@
     <string name="activity_level_moderate">Moderate</string>
     <string name="activity_level_heavy">Heavy</string>
     <string name="activity_level_extreme">Extreme</string>
+    <string name="label_data_provider_enable">Third-party application access</string>
 </resources>
diff --git a/android_app/app/src/main/res/xml/general_preferences.xml b/android_app/app/src/main/res/xml/general_preferences.xml
index 41b94de4..938fcdd4 100644
--- a/android_app/app/src/main/res/xml/general_preferences.xml
+++ b/android_app/app/src/main/res/xml/general_preferences.xml
@@ -23,4 +23,10 @@
         android:summaryOff="@string/info_is_not_enable"
         android:summaryOn="@string/info_is_enable"
         android:title="@string/label_delete_confirmation" />
-</PreferenceScreen>
\ No newline at end of file
+    <CheckBoxPreference
+        android:defaultValue="false"
+        android:key="dataProviderEnable"
+        android:summaryOff="@string/info_is_not_enable"
+        android:summaryOn="@string/info_is_enable"
+        android:title="@string/label_data_provider_enable" />
+</PreferenceScreen>