Don't accept resource references in string fields

Detect it when a developer accidentally uses @string/... in string fields
and log an error rather than publishing shortcuts with wrong values.

Bug 30140672

Change-Id: I98a60afd7f52282019a94a7a8c30a85ea4c7806b
diff --git a/services/core/java/com/android/server/pm/ShortcutParser.java b/services/core/java/com/android/server/pm/ShortcutParser.java
index 0762c0b..3f302d6 100644
--- a/services/core/java/com/android/server/pm/ShortcutParser.java
+++ b/services/core/java/com/android/server/pm/ShortcutParser.java
@@ -29,6 +29,7 @@
 import android.util.AttributeSet;
 import android.util.Log;
 import android.util.Slog;
+import android.util.TypedValue;
 import android.util.Xml;
 
 import com.android.internal.R;
@@ -260,7 +261,12 @@
         final TypedArray sa = service.mContext.getResources().obtainAttributes(attrs,
                 R.styleable.ShortcutCategories);
         try {
-            return sa.getString(R.styleable.ShortcutCategories_name);
+            if (sa.getType(R.styleable.ShortcutCategories_name) == TypedValue.TYPE_STRING) {
+                return sa.getNonResourceString(R.styleable.ShortcutCategories_name);
+            } else {
+                Log.w(TAG, "android:name for shortcut category must be string literal.");
+                return null;
+            }
         } finally {
             sa.recycle();
         }
@@ -272,7 +278,11 @@
         final TypedArray sa = service.mContext.getResources().obtainAttributes(attrs,
                 R.styleable.Shortcut);
         try {
-            final String id = sa.getString(R.styleable.Shortcut_shortcutId);
+            if (sa.getType(R.styleable.Shortcut_shortcutId) != TypedValue.TYPE_STRING) {
+                Log.w(TAG, "android:shortcutId must be string literal. activity=" + activity);
+                return null;
+            }
+            final String id = sa.getNonResourceString(R.styleable.Shortcut_shortcutId);
             final boolean enabled = sa.getBoolean(R.styleable.Shortcut_enabled, true);
             final int iconResId = sa.getResourceId(R.styleable.Shortcut_icon, 0);
             final int titleResId = sa.getResourceId(R.styleable.Shortcut_shortcutShortLabel, 0);
@@ -281,11 +291,11 @@
                     R.styleable.Shortcut_shortcutDisabledMessage, 0);
 
             if (TextUtils.isEmpty(id)) {
-                Slog.w(TAG, "Shortcut ID must be provided. activity=" + activity);
+                Log.w(TAG, "android:shortcutId must be provided. activity=" + activity);
                 return null;
             }
             if (titleResId == 0) {
-                Slog.w(TAG, "Shortcut title must be provided. activity=" + activity);
+                Log.w(TAG, "android:shortcutShortLabel must be provided. activity=" + activity);
                 return null;
             }
 
diff --git a/services/tests/servicestests/res/xml/shortcut_error_3.xml b/services/tests/servicestests/res/xml/shortcut_error_3.xml
index a7b9b84..24ee024 100644
--- a/services/tests/servicestests/res/xml/shortcut_error_3.xml
+++ b/services/tests/servicestests/res/xml/shortcut_error_3.xml
@@ -19,6 +19,10 @@
         android:shortcutShortLabel="@string/shortcut_title1"
     />
     <shortcut
+        android:shortcutId="@string/shortcut_title1"
+        android:shortcutShortLabel="@string/shortcut_title1"
+    />
+    <shortcut
         android:shortcutId="x3"
         android:shortcutShortLabel="@string/shortcut_title1"
         >
@@ -26,5 +30,7 @@
             android:action="android.intent.action.VIEW"
             >
         </intent>
+        <categories android:name="@string/shortcut_title1" />
+        <categories android:name="cat2" />
     </shortcut>
 </shortcuts>
diff --git a/services/tests/servicestests/src/com/android/server/pm/ShortcutManagerTest1.java b/services/tests/servicestests/src/com/android/server/pm/ShortcutManagerTest1.java
index bf6c2ff..ae2d632 100644
--- a/services/tests/servicestests/src/com/android/server/pm/ShortcutManagerTest1.java
+++ b/services/tests/servicestests/src/com/android/server/pm/ShortcutManagerTest1.java
@@ -5856,9 +5856,11 @@
 
         // Only the valid one is published.
         runWithCaller(CALLING_PACKAGE_1, USER_0, () -> {
-            assertShortcutIds(assertAllManifest(assertAllImmutable(assertAllEnabled(
-                    mManager.getManifestShortcuts()))),
-                    "x1");
+            assertWith(getCallerShortcuts())
+                    .areAllManifest()
+                    .areAllImmutable()
+                    .areAllEnabled()
+                    .haveIds("x1");
         });
 
         // Package 1 updated, which has one valid manifest shortcut and one invalid.
@@ -5871,9 +5873,11 @@
 
         // Only the valid one is published.
         runWithCaller(CALLING_PACKAGE_1, USER_0, () -> {
-            assertShortcutIds(assertAllManifest(assertAllImmutable(assertAllEnabled(
-                    mManager.getManifestShortcuts()))),
-                    "x2");
+            assertWith(getCallerShortcuts())
+                    .areAllManifest()
+                    .areAllImmutable()
+                    .areAllEnabled()
+                    .haveIds("x2");
         });
 
         // Package 1 updated, which has one valid manifest shortcut and one invalid.
@@ -5886,9 +5890,14 @@
 
         // Only the valid one is published.
         runWithCaller(CALLING_PACKAGE_1, USER_0, () -> {
-            assertShortcutIds(assertAllManifest(assertAllImmutable(assertAllEnabled(
-                    mManager.getManifestShortcuts()))),
-                    "x3");
+            assertWith(getCallerShortcuts())
+                    .areAllManifest()
+                    .areAllImmutable()
+                    .areAllEnabled()
+                    .haveIds("x3")
+                    .forShortcutWithId("x3", si -> {
+                        assertEquals(set("cat2"), si.getCategories());
+                     });
         });
     }