feat(identity): resolve DID from url and tests

packages/core/src/index.ts

@@ -480,7 +480,7 @@ function initializeSingleContext(block:string):BlockContext{
 export const addMiddlewares =
   async (baseUrl: string, app: Express) => {
   const mws = [
-    'timestamp', 'git', 'db', 'files', 'redis', 'influxdb', 'http',
+    'timestamp', 'identity', 'git', 'db', 'files', 'redis', 'influxdb', 'http',
     'fabric', 'planetmint',  'sawroom', 'ethereum', 'logger', 'ui',
 
   ]

packages/create-restroom/templates/restroom.mustache

@@ -7,6 +7,9 @@ import zencode from "@restroom-mw/core";
 {{#@restroom-mw/timestamp}}
 import timestamp from "@restroom-mw/timestamp";
 {{/@restroom-mw/timestamp}}
+{{#@restroom-mw/identity}}
+import identity from "@restroom-mw/identity";
+{{/@restroom-mw/identity}}
 {{#@restroom-mw/git}}
 import git from "@restroom-mw/git";
 {{/@restroom-mw/git}}
@@ -63,6 +66,9 @@ app.use(bodyParser.json());
 app.use(morgan("dev"));
 app.set("json spaces", 2);
 
+{{#@restroom-mw/identity}}
+app.use(identity.default);
+{{/@restroom-mw/identity}}
 {{#@restroom-mw/db}}
 app.use(db.default);
 {{/@restroom-mw/db}}

packages/identity/src/actions.ts

@@ -6,5 +6,5 @@ export enum Action {
    * @param {string} myUrl - Name of the variable containing the url of the resolver
    * @param {string} myOutput - Name of the variable where the output json will be stored
    */
-  RESOLVE_DID = "Given I resolve the did {} from {} and save the output into {}",
+  RESOLVE_DID = "resolve the did {} from {} and save the output into {}",
 }

packages/identity/src/index.ts

@@ -1,5 +1,34 @@
 import { Restroom } from "@restroom-mw/core";
 import { ObjectLiteral } from "@restroom-mw/types";
 import { Zencode } from "@restroom-mw/zencode";
+import { NextFunction, Request, Response } from "express";
 import axios from "axios";
 import { Action } from "./actions";
+
+export default (req: Request, res: Response, next: NextFunction) => {
+  const rr = new Restroom(req, res);
+  let content: ObjectLiteral = {};
+
+  rr.onBefore(
+    async (params: {
+      zencode: Zencode;
+      keys: ObjectLiteral;
+      data: ObjectLiteral;
+    }) => {
+      let { zencode, keys, data } = params;
+      content = rr.combineDataKeys(data, keys);
+
+      if (zencode.match(Action.RESOLVE_DID)) {
+        let [did, urlName, o] = zencode.paramsOf(Action.RESOLVE_DID);
+        let url = content[urlName]
+        if( url[-1] !== "/") {
+          url = url + "/";
+        }
+        const url_resolver = url + content[did];
+        const response = await axios.get(url_resolver);
+        data[o] = response.data;
+      }
+    }
+  )
+  next();
+}

packages/identity/tests/index.js

@@ -0,0 +1,35 @@
+import test from "ava";
+import request from "supertest";
+import express from "express";
+import bodyParser from "body-parser";
+
+process.env.ZENCODE_DIR = "./test/identity";
+const identity = require("..").default;
+const zencode = require("../../core").default;
+
+test("Resolve did",
+  async (t) => {
+    const app = express();
+    app.use(bodyParser.json());
+    app.use(identity);
+    app.use("/*", zencode);
+    const res = await request(app).post("/resolve-did");
+    t.true(
+      Object.keys(res.body).includes("myOutput"),
+      'could not find "myOutput " in response'
+    );
+    const output = res.body.myOutput;
+    t.true(
+      Object.keys(output).includes("didDocument"),
+      'could not find "didDocument" in myOutput'
+    );
+    t.true(
+      Object.keys(output).includes("didDocumentMetadata"),
+      'could not find "didDocumentMetadata" in myOutput'
+    );
+    t.true(
+      Object.keys(output).includes("@context"),
+      'could not find "@context" in myOutput'
+    );
+    t.is(res.status, 200);
+  });

packages/identity/tsconfig.json

@@ -9,5 +9,5 @@
   }, {
     "path": "../types"
   }],
-  "exclude": ["node_modules", "dist", "tests"]
+  "exclude": ["dist", "tests"]
 }

test/identity/resolve-did.keys

@@ -0,0 +1,4 @@
+{
+  "myUrl": "https://did.dyne.org/dids",
+  "myDid": "did:dyne:sandbox.zenswarm:HwSjX94eXVmVpqGnN6L5HD3rjSBwxJeNc9xByJKB83wB"
+}

test/identity/resolve-did.zen

@@ -0,0 +1,8 @@
+Rule caller restroom-mw
+
+Given I have a 'string' named 'myDid'
+Given I have a 'string' named 'myUrl'
+Given I have a 'string dictionary' named 'myOutput'
+Given I resolve the did 'myDid' from 'myUrl' and save the output into 'myOutput'
+
+Then print all data