[taler-wallet-core] branch master updated: add merchant instances/auth test case

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dold pushed a commit to branch master
in repository wallet-core.

The following commit(s) were added to refs/heads/master by this push:
     new 81be4aac add merchant instances/auth test case
81be4aac is described below

commit 81be4aacd80689542367b1570d4069cba3220ae6
Author: Florian Dold <florian@dold.me>
AuthorDate: Tue Mar 2 20:03:39 2021 +0100

    add merchant instances/auth test case
---
 .../src/integrationtests/harness.ts                |  45 ++++++-
 .../src/integrationtests/merchantApiTypes.ts       |  23 ++++
 .../integrationtests/test-merchant-instances.ts    | 138 +++++++++++++++++++++
 .../src/integrationtests/testrunner.ts             |   2 +
 4 files changed, 206 insertions(+), 2 deletions(-)

diff --git a/packages/taler-wallet-cli/src/integrationtests/harness.ts 
b/packages/taler-wallet-cli/src/integrationtests/harness.ts
index 2fe976f9..fbc67bb5 100644
--- a/packages/taler-wallet-cli/src/integrationtests/harness.ts
+++ b/packages/taler-wallet-cli/src/integrationtests/harness.ts
@@ -94,6 +94,7 @@ import {
   TippingReserveStatus,
   TipCreateConfirmation,
   TipCreateRequest,
+  MerchantInstancesResponse,
 } from "./merchantApiTypes";
 import { ApplyRefundResponse } from "@gnu-taler/taler-wallet-core";
 import { PendingOperationsResponse } from "@gnu-taler/taler-wallet-core";
@@ -1171,6 +1172,40 @@ export interface MerchantServiceInterface {
   readonly name: string;
 }
 
+export class MerchantApiClient {
+  constructor(
+    private baseUrl: string,
+    private auth: MerchantAuthConfiguration,
+  ) {}
+
+  async changeAuth(auth: MerchantAuthConfiguration): Promise<void> {
+    const baseUrl = this.baseUrl;
+    const url = new URL("private/auth", baseUrl);
+    await axios.post(url.href, auth, {
+      headers: this.makeAuthHeader(),
+    });
+  }
+
+  async getInstances(): Promise<MerchantInstancesResponse> {
+    const url = new URL("private/instances", this.baseUrl);
+    const resp = await axios.get(url.href, {
+      headers: this.makeAuthHeader(),
+    });
+    return resp.data;
+  }
+
+  makeAuthHeader(): Record<string, string> {
+    switch (this.auth.method) {
+      case "external":
+        return {};
+      case "token":
+        return {
+          Authorization: `Bearer ${this.auth.token}`,
+        };
+    }
+  }
+}
+
 export namespace MerchantPrivateApi {
   export async function createOrder(
     merchantService: MerchantServiceInterface,
@@ -1407,8 +1442,9 @@ export class MerchantService implements 
MerchantServiceInterface {
     }
     console.log("adding instance");
     const url = 
`http://localhost:${this.merchantConfig.httpPort}/private/instances`;
+    const auth = instanceConfig.auth ?? { method: "external" };
     await axios.post(url, {
-      auth: { method: "external" },
+      auth,
       payto_uris: instanceConfig.paytoUris,
       id: instanceConfig.id,
       name: instanceConfig.name,
@@ -1443,8 +1479,13 @@ export class MerchantService implements 
MerchantServiceInterface {
   }
 }
 
+export interface MerchantAuthConfiguration {
+  method: "external" | "token";
+  token?: string;
+}
+
 export interface MerchantInstanceConfig {
-  authToken?: string;
+  auth?: MerchantAuthConfiguration;
   id: string;
   name: string;
   paytoUris: string[];
diff --git a/packages/taler-wallet-cli/src/integrationtests/merchantApiTypes.ts 
b/packages/taler-wallet-cli/src/integrationtests/merchantApiTypes.ts
index a6356b31..1326d3a5 100644
--- a/packages/taler-wallet-cli/src/integrationtests/merchantApiTypes.ts
+++ b/packages/taler-wallet-cli/src/integrationtests/merchantApiTypes.ts
@@ -40,6 +40,7 @@ import {
   AmountString,
   Timestamp,
   CoinPublicKeyString,
+  EddsaPublicKeyString,
 } from "@gnu-taler/taler-wallet-core";
 import { codecForAmountString } from 
"@gnu-taler/taler-wallet-core/lib/util/amounts";
 
@@ -294,3 +295,25 @@ export interface TipCreateRequest {
   // will be included in the tip_token.
   next_url: string;
 }
+
+
+export interface MerchantInstancesResponse {
+  // List of instances that are present in the backend (see Instance)
+  instances: MerchantInstanceDetail[];
+}
+
+export interface MerchantInstanceDetail {
+  // Merchant name corresponding to this instance.
+  name: string;
+
+  // Merchant instance this response is about ($INSTANCE)
+  id: string;
+
+  // Public key of the merchant/instance, in Crockford Base32 encoding.
+  merchant_pub: EddsaPublicKeyString;
+
+  // List of the payment targets supported by this instance. Clients can
+  // specify the desired payment target in /order requests.  Note that
+  // front-ends do not have to support wallets selecting payment targets.
+  payment_targets: string[];
+}
\ No newline at end of file
diff --git 
a/packages/taler-wallet-cli/src/integrationtests/test-merchant-instances.ts 
b/packages/taler-wallet-cli/src/integrationtests/test-merchant-instances.ts
new file mode 100644
index 00000000..d2e4cd12
--- /dev/null
+++ b/packages/taler-wallet-cli/src/integrationtests/test-merchant-instances.ts
@@ -0,0 +1,138 @@
+/*
+ This file is part of GNU Taler
+ (C) 2021 Taler Systems S.A.
+
+ GNU Taler is free software; you can redistribute it and/or modify it under the
+ terms of the GNU General Public License as published by the Free Software
+ Foundation; either version 3, or (at your option) any later version.
+
+ GNU Taler is distributed in the hope that it will be useful, but WITHOUT ANY
+ WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
+ A PARTICULAR PURPOSE.  See the GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License along with
+ GNU Taler; see the file COPYING.  If not, see <http://www.gnu.org/licenses/>
+ */
+
+/**
+ * Imports.
+ */
+import { URL } from "@gnu-taler/taler-wallet-core";
+import axios from "axios";
+import {
+  ExchangeService,
+  GlobalTestState,
+  MerchantApiClient,
+  MerchantService,
+  setupDb,
+} from "./harness";
+
+/**
+ * Do basic checks on instance management and authentication.
+ */
+export async function runMerchantInstancesTest(t: GlobalTestState) {
+  // Set up test environment
+
+  const db = await setupDb(t);
+
+  const exchange = ExchangeService.create(t, {
+    name: "testexchange-1",
+    currency: "TESTKUDOS",
+    httpPort: 8081,
+    database: db.connStr,
+  });
+
+  const merchant = await MerchantService.create(t, {
+    name: "testmerchant-1",
+    currency: "TESTKUDOS",
+    httpPort: 8083,
+    database: db.connStr,
+  });
+
+  // We add the exchange to the config, but note that the exchange won't be 
started.
+  merchant.addExchange(exchange);
+
+  await merchant.start();
+  await merchant.pingUntilAvailable();
+
+  // Base URL for the default instance.
+  const baseUrl = merchant.makeInstanceBaseUrl();
+
+  {
+    const r = await axios.get(new URL("config", baseUrl).href);
+    console.log(r.data);
+    t.assertDeepEqual(r.data.currency, "TESTKUDOS");
+  }
+
+  // Instances should initially be empty
+  {
+    const r = await axios.get(new URL("private/instances", baseUrl).href);
+    t.assertDeepEqual(r.data.instances, []);
+  }
+
+  // Add an instance, no auth!
+  await merchant.addInstance({
+    id: "default",
+    name: "Default Instance",
+    paytoUris: [`payto://x-taler-bank/merchant-default`],
+    auth: {
+      method: "external",
+    },
+  });
+
+  let merchantClient = new MerchantApiClient(merchant.makeInstanceBaseUrl(), {
+    method: "external",
+  });
+
+  {
+    const r = await merchantClient.getInstances();
+    t.assertDeepEqual(r.instances.length, 1);
+  }
+
+  // Check that a "malformed" bearer Authorization header gets ignored
+  {
+    const url = merchant.makeInstanceBaseUrl();
+    const resp = await axios.get(new URL("private/instances", url).href, {
+      headers: {
+        "Authorization": "foo bar-baz",
+      },
+    });
+    t.assertDeepEqual(resp.status, 200);
+  }
+
+  await merchantClient.changeAuth({
+    method: "token",
+    token: "secret-token:foobar",
+  });
+
+  // Now this should fail, as we didn't change the auth of the client yet.
+  const exc = await t.assertThrowsAsync(async () => {
+    await merchantClient.getInstances();
+  });
+
+  t.assertAxiosError(exc);
+  t.assertAxiosError(exc.response?.status === 401);
+
+  merchantClient = new MerchantApiClient(merchant.makeInstanceBaseUrl(), {
+    method: "token",
+    token: "secret-token:foobar",
+  });
+
+  // With the new client auth settings, request should work again.
+  await merchantClient.getInstances();
+
+  // Now, try some variations.
+
+  {
+    const url = merchant.makeInstanceBaseUrl();
+    const resp = await axios.get(new URL("private/instances", url).href, {
+      headers: {
+        // Note the spaces
+        "Authorization": "Bearer     secret-token:foobar",
+      }
+    });
+    t.assertDeepEqual(resp.status, 200);
+  }
+}
+
+runMerchantInstancesTest.suites = ["merchant"];
diff --git a/packages/taler-wallet-cli/src/integrationtests/testrunner.ts 
b/packages/taler-wallet-cli/src/integrationtests/testrunner.ts
index 252dbafb..6568e566 100644
--- a/packages/taler-wallet-cli/src/integrationtests/testrunner.ts
+++ b/packages/taler-wallet-cli/src/integrationtests/testrunner.ts
@@ -59,6 +59,7 @@ import { runLibeufinRefundTest } from 
"./test-libeufin-refund";
 import { runLibeufinTutorialTest } from "./test-libeufin-tutorial";
 import { runDepositTest } from "./test-deposit";
 import CancellationToken from "cancellationtoken";
+import { runMerchantInstancesTest } from "./test-merchant-instances";
 
 /**
  * Test runner.
@@ -83,6 +84,7 @@ const allTests: TestMainFunction[] = [
   runLibeufinTutorialTest,
   runLibeufinRefundTest,
   runMerchantExchangeConfusionTest,
+  runMerchantInstancesTest,
   runMerchantLongpollingTest,
   runMerchantRefundApiTest,
   runPayAbortTest,

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