work around x86 crash see issue

Author: eggizhang

Android/liteapp/src/main/java/com/iqiyi/halberd/liteapp/export/DefaultFunctionProvider.java

@@ -32,6 +32,7 @@
 import com.iqiyi.halberd.liteapp.event.IBridgeEventListener;
 import com.iqiyi.halberd.liteapp.event.impl.EventBridgeImpl;
 import com.iqiyi.halberd.liteapp.plugin.network.impl.LiteAppNetworkRequest;
+import com.iqiyi.halberd.liteapp.utils.MD5Utils;
 import com.iqiyi.halberd.liteapp.view.LiteAppBaseActivity;
 
 import org.json.JSONException;
@@ -282,5 +283,20 @@ protected long onCalled(NativeObjectRef[] callbackHandles, String[] parameters){
         };
         ExecutorManager.addObjectToObject(context, base, "start", pageRouter);
 
+        //using this md5 utils will work around x86 crash on javascript md5
+        final JsObject md5 = new JsObject() {
+            protected long onCalled(NativeObjectRef[] callbackHandles, String[] parameters) {
+                if(TextUtils.isEmpty(parameters[0])) {
+                    return 0;
+                } else if(callbackHandles.length < 2) {
+                    return 0;
+                } else {
+                    String mdResult = MD5Utils.md5(parameters[0]);
+                    ExecutorManager.callNativeRefFunction(context, callbackHandles[1], mdResult);
+                }
+                return 0;
+            }
+        };
+        ExecutorManager.addObjectToGlobal(context, "mi_pad__md5__", md5);
     }
 }

Android/liteapp/src/main/java/com/iqiyi/halberd/liteapp/utils/MD5Utils.java

@@ -0,0 +1,36 @@
+package com.iqiyi.halberd.liteapp.utils;
+
+import java.security.MessageDigest;
+import java.security.NoSuchAlgorithmException;
+
+/**
+ * Created by eggizhang on 18-6-19.
+ * using this utils to make md5 string for x86 crash bugs
+ */
+
+public class MD5Utils {
+    public static String md5(final String s) {
+        final String MD5 = "MD5";
+        try {
+            // Create MD5 Hash
+            MessageDigest digest = java.security.MessageDigest
+                    .getInstance(MD5);
+            digest.update(s.getBytes());
+            byte messageDigest[] = digest.digest();
+
+            // Create Hex String
+            StringBuilder hexString = new StringBuilder();
+            for (byte aMessageDigest : messageDigest) {
+                StringBuilder h = new StringBuilder(Integer.toHexString(0xFF & aMessageDigest));
+                while (h.length() < 2)
+                    h.insert(0, "0");
+                hexString.append(h);
+            }
+            return hexString.toString();
+
+        } catch (NoSuchAlgorithmException e) {
+            e.printStackTrace();
+        }
+        return "";
+    }
+}