make hex_md5 work server side

scripting/utils.cpp

@@ -0,0 +1,36 @@
+// utils.cpp
+
+#include "../stdafx.h"
+#include "engine.h"
+#include "../util/md5.hpp"
+
+namespace mongo {
+
+    BSONObj jsmd5( const BSONObj &a ){
+        uassert( 10261 ,  "js md5 needs a string" , a.firstElement().type() == String );
+        const char * s = a.firstElement().valuestrsafe();
+        
+        md5digest d;
+        md5_state_t st;
+        md5_init(&st);
+        md5_append( &st , (const md5_byte_t*)s , strlen( s ) );
+        md5_finish(&st, d);
+        
+        return BSON( "" << digestToString( d ) );
+    }
+    
+    BSONObj JSVersion( const BSONObj& args ){
+        cout << "version: " << versionString << endl;
+        if ( strstr( versionString , "+" ) )
+            printGitVersion();
+        return BSONObj();
+    }
+
+    void installGlobalUtils( Scope& scope ){
+        scope.injectNative( "hex_md5" , jsmd5 );
+        scope.injectNative( "version" , JSVersion );
+    }
+
+}
+        
+