1 files changed, 25 insertions, 0 deletions
diff --git a/app/src/main/java/moe/yuuta/workmode/access/HostInfo.kt b/app/src/main/java/moe/yuuta/workmode/access/HostInfo.kt
new file mode 100644
index 0000000..05b1622
--- /dev/null
+++ b/app/src/main/java/moe/yuuta/workmode/access/HostInfo.kt
@@ -0,0 +1,25 @@
+package moe.yuuta.workmode.access
+
+import android.content.Context
+import android.os.Binder
+import moe.yuuta.workmode.BuildConfig
+import moe.yuuta.workmode.Manifest
+
+internal data class HostInfo(
+    val userId: Int,
+    val hostContext: Context
+) {
+    companion object {
+
+        /**
+         * Generate the HostInfo from API caller. If it is NOT an authorized host, throw a SecurityException.
+         */
+        @Throws(SecurityException::class)
+        internal fun getHostInfoFromCaller(systemContext: Context): HostInfo {
+            val user = Binder.getCallingUserHandle()
+            systemContext.enforceCallingPermission(Manifest.permission.ACCESS, null)
+            return HostInfo(user.hashCode(),
+                systemContext.createPackageContextAsUser(BuildConfig.APPLICATION_ID, 0, user))
+        }
+    }
+}
+\ No newline at end of file