Refactors routers

src/Routers/IAPValidationRouter.js

@@ -0,0 +1,96 @@
+import PromiseRouter from '../PromiseRouter';
+var request = require("request");
+var rest = require("../rest");
+var Auth = require("../Auth");
+
+// TODO move validation logic in IAPValidationController
+const IAP_SANDBOX_URL = "https://sandbox.itunes.apple.com/verifyReceipt";
+const IAP_PRODUCTION_URL = "https://buy.itunes.apple.com/verifyReceipt";
+
+const APP_STORE_ERRORS = {
+  21000: "The App Store could not read the JSON object you provided.",
+  21002: "The data in the receipt-data property was malformed or missing.",
+  21003: "The receipt could not be authenticated.",
+  21004: "The shared secret you provided does not match the shared secret on file for your account.",
+  21005: "The receipt server is not currently available.",
+  21006: "This receipt is valid but the subscription has expired.",
+  21007: "This receipt is from the test environment, but it was sent to the production environment for verification. Send it to the test environment instead.",
+  21008: "This receipt is from the production environment, but it was sent to the test environment for verification. Send it to the production environment instead."  
+}
+
+function appStoreError(status) {
+  status = parseInt(status);
+  var errorString = APP_STORE_ERRORS[status] || "unknown error.";
+  return { status: status, error: errorString }
+}
+
+function validateWithAppStore(url, receipt) {
+  return new Promise(function(fulfill, reject) {
+    request.post({
+      url: url,
+      body: { "receipt-data": receipt },
+      json: true,
+    }, function(err, res, body) {
+      var status = body.status;
+      if (status == 0) {
+        // No need to pass anything, status is OK
+        return fulfill();
+      }
+      // receipt is from test and should go to test
+      if (status == 21007) {
+        return validateWithAppStore(IAP_SANDBOX_URL);
+      } 
+      return reject(body);
+    });
+  });
+}
+
+function getFileForProductIdentifier(productIdentifier, req) {
+  return rest.find(req.config, req.auth, '_Product', { productIdentifier: productIdentifier }).then(function(result){
+    const products = result.results;
+    if (!products || products.length != 1) {
+      // Error not found or too many
+      throw new Parse.Error(Parse.Error.OBJECT_NOT_FOUND, 'Object not found.')
+    }
+    
+    var download = products[0].download;
+    return Promise.resolve({response: download});
+  });
+}
+
+
+
+export class IAPValidationRouter extends PromiseRouter {
+ 
+ handleRequest(req) {
+    let receipt = req.body.receipt;
+    const productIdentifier = req.body.productIdentifier;
+    
+    if (!receipt || ! productIdentifier) {
+      // TODO: Error, malformed request
+      throw new Parse.Error(Parse.Error.INVALID_JSON, "missing receipt or productIdentifier");
+    }
+    
+    // Transform the object if there
+    // otherwise assume it's in Base64 already
+    if (typeof receipt == "object") {
+      if (receipt["__type"] == "Bytes") {
+        receipt = receipt.base64;
+      }
+    }
+    
+    if (process.env.NODE_ENV == "test" && req.body.bypassAppStoreValidation) {
+      return getFileForProductIdentifier(productIdentifier, req);
+    }
+    
+    return validateWithAppStore(IAP_PRODUCTION_URL, receipt).then( () => {
+      return getFileForProductIdentifier(productIdentifier, req);
+    }, (error) => {
+      return Promise.resolve({response: appStoreError(error.status) });
+    });
+  }
+  
+  mountRoutes() {
+    this.route("POST","/validate_purchase", this.handleRequest);
+  }
+}