Add files

src/browser.test.ts

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+import { sign } from "./browser";
+
+const date = new Date("Sat, 17 Nov 2018 01:06:05 GMT");
+const masterKey =
+  "BGejtJoCPl06h6oxaEVI1qXENjaBFNJn47GTfJR5V8bq00v3GiOn36ZZgQv9ogDJfvxEAi4RJi0nEscmXGAe5w==";
+const method = "GET";
+const resourceId = "";
+const resourceType = "";
+
+const expected = encodeURIComponent(
+  "type=master&ver=1.0&sig=dFkNJGBUXu+ggUJnH1qh+7S1K7BcFdYYtxggMonBH8I="
+);
+
+const result = sign(masterKey, method, resourceType, resourceId, date);
+
+if (expected !== result) {
+  console.log("FAILURE!");
+  console.log("Expected:", expected);
+  console.log("Result:", result);
+  process.exit(1);
+}
+
+console.log("BROWSER PASSED");
+process.exit(0);

src/browser.ts

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+import { buildSign } from "./buildSign";
+import sha256 from "crypto-js/hmac-sha256";
+import Base64 from "crypto-js/enc-base64";
+
+const hmac = (key: string, message: string) => {
+  var hash = sha256(message, Base64.parse(key));
+  return Base64.stringify(hash);
+};
+
+export const sign = buildSign(hmac);

src/buildSign.ts

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+const type = "master";
+const version = "1.0";
+
+type ResourceType =
+  | "dbs"
+  | "colls"
+  | "docs"
+  | "sprocs"
+  | "udfs"
+  | "triggers"
+  | "users"
+  | "permissions"
+  | "attachments"
+  | "media"
+  | "conflicts"
+  | "pkranges"
+  | "offers"
+  | "";
+
+type Method = "GET" | "POST" | "PUT" | "PATCH" | "DELETE";
+
+export function buildSign(hmac: (key: string, message: string) => string) {
+  return function(
+    masterKey: string,
+    method: Method,
+    resourceType: ResourceType = "",
+    resourceId: string = "",
+    date: Date = new Date()
+  ) {
+    var text =
+      method.toLowerCase() +
+      "\n" +
+      resourceType.toLowerCase() +
+      "\n" +
+      resourceId +
+      "\n" +
+      date.toUTCString().toLowerCase() +
+      "\n" +
+      "" +
+      "\n";
+
+    var signature = hmac(masterKey, text);
+
+    return encodeURIComponent(
+      "type=" + type + "&ver=" + version + "&sig=" + signature
+    );
+  };
+}

src/node.test.ts

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+import { sign } from "./node";
+
+const date = new Date("Sat, 17 Nov 2018 01:06:05 GMT");
+const masterKey =
+  "BGejtJoCPl06h6oxaEVI1qXENjaBFNJn47GTfJR5V8bq00v3GiOn36ZZgQv9ogDJfvxEAi4RJi0nEscmXGAe5w==";
+const method = "GET";
+const resourceId = "";
+const resourceType = "";
+
+const expected = encodeURIComponent(
+  "type=master&ver=1.0&sig=dFkNJGBUXu+ggUJnH1qh+7S1K7BcFdYYtxggMonBH8I="
+);
+
+const result = sign(masterKey, method, resourceType, resourceId, date);
+
+if (expected !== result) {
+  console.log("FAILURE!");
+  console.log("Expected:", expected);
+  console.log("Result:", result);
+  process.exit(1);
+}
+
+console.log("NODE PASSED");
+process.exit(0);

src/node.ts

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+import { createHmac } from "crypto";
+import { buildSign } from "./buildSign";
+
+const hmac = (key: string, message: string) => {
+  return createHmac("sha256", Buffer.from(key, "base64"))
+    .update(message)
+    .digest("base64");
+};
+
+export const sign = buildSign(hmac);

src/test.js

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+const crypto = require("crypto");
+const hmac = require("crypto-js/hmac-sha256");
+const Base64 = require("crypto-js/enc-base64");
+
+const key = "test";
+const message = "foo";
+
+const sig = hmac(message, key);
+console.log("hmac", Base64.stringify(sig));
+
+const signature = crypto
+  .createHmac("sha256", key)
+  .update(message)
+  .digest("base64");
+  
+console.log("create-hmac", signature);

webpack.config.js

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+var path = require("path");
+var webpack = require("webpack");
+
+module.exports = (env, argv) => ({
+  entry: "./lib/browser.js",
+  output: {
+    filename: "bundle.js",
+    path: path.resolve(__dirname)
+  }
+});