Missing link unfurling scenario

libraries/botbuilder/tests/teams/link-unfurling/.env

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+MicrosoftAppId=
+MicrosoftAppPassword=

libraries/botbuilder/tests/teams/link-unfurling/.gitignore

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+lib/
+node_modules/
+.vscode/
+**/*.zip

libraries/botbuilder/tests/teams/link-unfurling/package.json

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+{
+  "name": "teams-link-unfurling",
+  "version": "1.0.0",
+  "description": "",
+  "main": "./lib/index.js",
+  "scripts": {
+    "start": "tsc --build && node ./lib/index.js",
+    "build": "tsc --build",
+    "watch": "nodemon --watch ./src -e ts --exec \"npm run start\""
+  },
+  "keywords": [],
+  "author": "",
+  "license": "ISC",
+  "dependencies": {
+    "botbuilder": "file:../../../",
+    "dotenv": "^8.1.0",
+    "node-fetch": "^2.6.0",
+    "restify": "^8.4.0",
+    "uuid": "^3.3.3"
+  },
+  "devDependencies": {
+    "@types/node": "^12.7.1",
+    "@types/node-fetch": "^2.5.0",
+    "@types/request": "^2.48.1",
+    "@types/restify": "^7.2.7",
+    "nodemon": "^1.19.1",
+    "ts-node": "^7.0.1",
+    "typescript": "^3.2.4"
+  }
+}

libraries/botbuilder/tests/teams/link-unfurling/src/index.ts

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+// Copyright (c) Microsoft Corporation. All rights reserved.
+// Licensed under the MIT License.
+
+import { config } from 'dotenv';
+import * as path from 'path';
+import * as restify from 'restify';
+
+// Import required bot services.
+// See https://aka.ms/bot-services to learn more about the different parts of a bot.
+import { BotFrameworkAdapter } from 'botbuilder';
+
+// This bot's main dialog.
+import { LinkUnfurlingBot  } from './linkUnfurling';
+
+const ENV_FILE = path.join(__dirname, '..', '.env');
+config({ path: ENV_FILE });
+
+// Create HTTP server.
+const server = restify.createServer();
+server.listen(process.env.port || process.env.PORT || 3978, () => {
+    console.log(`\n${server.name} listening to ${server.url}`);
+    console.log(`\nGet Bot Framework Emulator: https://aka.ms/botframework-emulator`);
+    console.log(`\nTo test your bot, see: https://aka.ms/debug-with-emulator`);
+});
+
+// Create adapter.
+// See https://aka.ms/about-bot-adapter to learn more about adapters.
+const adapter = new BotFrameworkAdapter({
+    appId: process.env.MicrosoftAppId,
+    appPassword: process.env.MicrosoftAppPassword
+});
+
+// Catch-all for errors.
+adapter.onTurnError = async (context, error) => {
+    // This check writes out errors to console log .vs. app insights.
+    console.error('[onTurnError]:');
+    console.error(error);
+    // Send a message to the user
+    await context.sendActivity(`Oops. Something went wrong in the bot!\n  ${error.message}`);
+};
+
+// Create the main dialog.
+const myBot = new LinkUnfurlingBot();
+
+// Listen for incoming requests.
+server.post('/api/messages', (req, res) => {
+    adapter.processActivity(req, res, async (context) => {
+        // Route to main dialog.
+        await myBot.run(context);
+    });
+});

libraries/botbuilder/tests/teams/link-unfurling/src/linkUnfurling.ts

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+// Copyright (c) Microsoft Corporation. All rights reserved.
+// Licensed under the MIT License.
+
+import {
+    AppBasedLinkQuery,
+    CardFactory, 
+    MessagingExtensionResponse,
+    MessagingExtensionResult,
+    TeamsActivityHandler,
+    TurnContext } 
+from 'botbuilder';
+
+export class LinkUnfurlingBot extends TeamsActivityHandler {
+    constructor() {
+        super();
+
+        // See https://aka.ms/about-bot-activity-message to learn more about the message and other activity types.
+        this.onMessage(async (context, next) => {
+            await context.sendActivity(`You said '${context.activity.text}'`);
+            // By calling next() you ensure that the next BotHandler is run.
+            await next();
+        });
+    }
+
+     // "Link Unfurling"
+    // This handler is used for the processing of "composeExtension/queryLink" activities from Teams.
+    // https://docs.microsoft.com/en-us/microsoftteams/platform/concepts/messaging-extensions/search-extensions#receive-requests-from-links-inserted-into-the-compose-message-box
+    // By specifying domains under the messageHandlers section in the manifest, the bot can receive
+    // events when a user enters in a domain in the compose box.   
+    protected async onTeamsAppBasedLinkQuery(context: TurnContext, query: AppBasedLinkQuery): Promise<MessagingExtensionResponse> {
+        const attachment = CardFactory.thumbnailCard('Thumbnail Card', query.url, ["https://raw.githubusercontent.com/microsoft/botframework-sdk/master/icon.png"]);
+
+        const result: MessagingExtensionResult = {
+            attachmentLayout: 'list',
+            type: 'result',
+            attachments: [attachment],
+            text: 'test unfurl',
+        }
+        const response: MessagingExtensionResponse = {
+            composeExtension: result,
+        }
+
+        return response;
+    }
+}

libraries/botbuilder/tests/teams/link-unfurling/teams-app-manifest/manifest.json

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+{
+  "$schema": "https://github.com/OfficeDev/microsoft-teams-app-schema/blob/preview/DevPreview/MicrosoftTeams.schema.json",
+  "manifestVersion": "1.5",
+  "version": "1.0",
+  "id": "<<MSA BOT ID>>",
+  "packageName": "com.teams.sample.linkunfurling",
+  "developer": {
+    "name": "Link Unfurling1",
+    "websiteUrl": "https://www.microsoft.com",
+    "privacyUrl": "https://www.teams.com/privacy",
+    "termsOfUseUrl": "https://www.teams.com/termsofuser"
+  },
+  "icons": {
+    "color": "color.png",
+    "outline": "outline.png"
+  },
+  "name": {
+    "short": "Link Unfurling1",
+    "full": "Link Unfurling"
+  },
+  "description": {
+    "short": "Link Unfurling",
+    "full": "Link Unfurling"
+  },
+  "accentColor": "#FFFFFF",
+  "bots": [
+    {
+      "botId": "<<MSA BOT ID>>",
+      "scopes": [ "personal", "team" ]
+    }
+  ],
+  "composeExtensions": [
+    {
+      "botId": "<<MSA BOT ID>>",
+      "commands": [
+        {
+          "id": "searchQuery",
+          "context": [ "compose", "commandBox" ],
+          "description": "Superfluous Test command to enable link unfurling",
+          "title": "Search",
+          "type": "query",
+          "parameters": [
+            {
+              "name": "searchQuery",
+              "title": "Search Query",
+              "description": "Your search query",
+              "inputType": "text"
+            }
+          ]
+        }
+      ],
+      "messageHandlers": [
+        {
+          "type": "link",
+          "value": {
+            "domains": [
+              "*.com"
+            ]
+          }
+        }
+      ]
+    }
+  ]
+}

libraries/botbuilder/tests/teams/link-unfurling/tsconfig.json

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+{
+  "compilerOptions": {
+    "target": "es2016",
+    "module": "commonjs",
+    "composite": true,
+    "declaration": true,
+    "sourceMap": true,
+    "outDir": "./lib",
+    "rootDir": "./src",
+  }
+}