1 files changed, 112 insertions, 0 deletions
diff --git a/platform/android/MapboxGLAndroidSDK/src/main/java/com/mapbox/mapboxsdk/AccountsManager.java b/platform/android/MapboxGLAndroidSDK/src/main/java/com/mapbox/mapboxsdk/AccountsManager.java
new file mode 100644
index 0000000000..4fd0200a37
--- /dev/null
+++ b/platform/android/MapboxGLAndroidSDK/src/main/java/com/mapbox/mapboxsdk/AccountsManager.java
@@ -0,0 +1,112 @@
+package com.mapbox.mapboxsdk;
+
+import android.content.Context;
+import android.content.SharedPreferences;
+import android.support.annotation.NonNull;
+import android.text.TextUtils;
+import android.text.format.DateUtils;
+
+import com.mapbox.android.accounts.v1.MapboxAccounts;
+import com.mapbox.mapboxsdk.constants.MapboxConstants;
+
+/**
+ * REMOVAL OR MODIFICATION OF THE FOLLOWING CODE VIOLATES THE MAPBOX TERMS
+ * OF SERVICE
+ *
+ * The following code is used to access Mapbox's Mapping APIs.
+ *
+ * Removal or modification of this code when used with Mapbox's Mapping APIs
+ * can result in termination of your agreement and/or your account with
+ * Mapbox.
+ *
+ * Using this code to access Mapbox Mapping APIs from outside the Mapbox Maps
+ * SDK also violates the Mapbox Terms of Service. On Android, Mapping APIs
+ * should be accessed using the methods documented at
+ * https://www.mapbox.com/android.
+ *
+ * You can access the Mapbox Terms of Service at https://www.mapbox.com/tos/
+ */
+class AccountsManager {
+  private static final String PREFERENCE_USER_ID = "com.mapbox.mapboxsdk.accounts.userid";
+  private static final String PREFERENCE_TIMESTAMP = "com.mapbox.mapboxsdk.accounts.timestamp";
+  private static final String PREFERENCE_SKU_TOKEN = "com.mapbox.mapboxsdk.accounts.skutoken";
+
+  private long timestamp;
+  private String skuToken;
+
+  AccountsManager() {
+    String userId = validateUserId();
+    validateRotation(userId);
+  }
+
+  private String validateUserId() {
+    SharedPreferences sharedPreferences = getSharedPreferences();
+    String userId = sharedPreferences.getString(PREFERENCE_USER_ID, "");
+    if (TextUtils.isEmpty(userId)) {
+      userId = generateUserId();
+      SharedPreferences.Editor editor = getSharedPreferences().edit();
+      editor.putString(PREFERENCE_USER_ID, userId);
+      editor.apply();
+    }
+
+    return userId;
+  }
+
+  private void validateRotation(String userId) {
+    SharedPreferences sharedPreferences = getSharedPreferences();
+    timestamp = sharedPreferences.getLong(PREFERENCE_TIMESTAMP, 0L);
+    skuToken = sharedPreferences.getString(PREFERENCE_SKU_TOKEN, "");
+    if (timestamp == 0L || TextUtils.isEmpty(skuToken)) {
+      skuToken = generateSkuToken(userId);
+      timestamp = persistRotation(skuToken);
+    }
+  }
+
+  String getSkuToken() {
+    if (isExpired()) {
+      SharedPreferences sharedPreferences = getSharedPreferences();
+      String userId = sharedPreferences.getString(PREFERENCE_USER_ID, "");
+      skuToken = generateSkuToken(userId);
+      timestamp = persistRotation(skuToken);
+    }
+
+    return skuToken;
+  }
+
+  private boolean isExpired() {
+    return isExpired(getNow(), timestamp);
+  }
+
+  static boolean isExpired(long now, long then) {
+    return ((now - then) > DateUtils.HOUR_IN_MILLIS);
+  }
+
+  private long persistRotation(String skuToken) {
+    long now = getNow();
+    SharedPreferences.Editor editor = getSharedPreferences().edit();
+    editor.putLong(PREFERENCE_TIMESTAMP, now);
+    editor.putString(PREFERENCE_SKU_TOKEN, skuToken);
+    editor.apply();
+    return now;
+  }
+
+  @NonNull
+  private SharedPreferences getSharedPreferences() {
+    return Mapbox.getApplicationContext()
+        .getSharedPreferences(MapboxConstants.MAPBOX_SHARED_PREFERENCES, Context.MODE_PRIVATE);
+  }
+
+  static long getNow() {
+    return System.currentTimeMillis();
+  }
+
+  @NonNull
+  private String generateUserId() {
+    return MapboxAccounts.obtainEndUserId();
+  }
+
+  @NonNull
+  private String generateSkuToken(String userId) {
+    return MapboxAccounts.obtainMapsSkuUserToken(userId);
+  }
+}