Add logging function for scripts

lib/sandbox.js

@@ -23,6 +23,7 @@ const seedrandom = require("seedrandom");
 const common = require("./common");
 const device = require("./device");
 const extensions = require("./extensions");
+const logger = require("./logger");
 
 
 // Used for throwing to exit user script and commit
@@ -203,11 +204,31 @@ function ext() {
 }
 
 
+function log(msg, meta) {
+  if (state.revision === state.maxRevision) {
+    const details = Object.assign({}, meta, {
+      sessionContext: state.sessionContext,
+      message: `Script: ${msg}`
+    });
+
+    delete details.hostname;
+    delete details.pid;
+    delete details.name;
+    delete details.version;
+    delete details.deviceId;
+    delete details.remoteAddress;
+
+    logger.accessInfo(details);
+  }
+}
+
+
 Object.defineProperty(context, "Date", {value: SandboxDate});
 Object.defineProperty(context, "declare", {value: declare});
 Object.defineProperty(context, "clear", {value: clear});
 Object.defineProperty(context, "commit", {value: commit});
 Object.defineProperty(context, "ext", {value: ext});
+Object.defineProperty(context, "log", {value: log});
 
 // Monkey-patch Math.random() to make it deterministic
 context.random = random;