feat: Implement slack authentication

packages/backend/package.json

@@ -21,6 +21,7 @@
     "@graphql-tools/graphql-file-loader": "^7.3.4",
     "@graphql-tools/load": "^7.5.2",
     "@octokit/oauth-methods": "^1.2.6",
+    "@slack/bolt": "3.10.0",
     "ajv-formats": "^2.1.1",
     "axios": "0.24.0",
     "bcrypt": "^5.0.1",

packages/backend/src/apps/slack/assets/favicon.svg

@@ -0,0 +1,7 @@
+
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink"
+aria-label="Slack" role="img"
+viewBox="0 0 512 512"><rect
+width="512" height="512"
+rx="15%"
+fill="#fff"/><g fill="#e01e5a"><path id="a" d="M149 305a39 39 0 01-78 0c0-22 17 -39 39 -39h39zM168 305a39 39 0 0178 0v97a39 39 0 01-78 0z"/></g><use xlink:href="#a" fill="#36c5f0" transform="rotate(90,256,256)"/><use xlink:href="#a" fill="#2eb67d" transform="rotate(180,256,256)"/><use xlink:href="#a" fill="#ecb22e" transform="rotate(270,256,256)"/></svg>

packages/backend/src/apps/slack/authentication.ts

@@ -0,0 +1,39 @@
+import type { IAuthentication, IApp, IJSONObject } from '@automatisch/types';
+import { WebClient } from '@slack/web-api';
+
+export default class Authentication implements IAuthentication {
+  appData: IApp;
+  connectionData: IJSONObject;
+  client: WebClient;
+
+  constructor(appData: IApp, connectionData: IJSONObject) {
+    this.client = new WebClient();
+
+    this.connectionData = connectionData;
+    this.appData = appData;
+  }
+
+  async verifyCredentials() {
+    const { bot_id: botId, user: screenName } = await this.client.auth.test({
+      token: this.connectionData.accessToken as string,
+    });
+
+    return {
+      botId,
+      screenName,
+      token: this.connectionData.accessToken,
+    };
+  }
+
+  async isStillVerified() {
+    try {
+      await this.client.auth.test({
+        token: this.connectionData.accessToken as string,
+      });
+
+      return true;
+    } catch (error) {
+      return false;
+    }
+  }
+}

packages/backend/src/apps/slack/index.ts

@@ -0,0 +1,15 @@
+import Authentication from './authentication';
+import {
+  IService,
+  IAuthentication,
+  IApp,
+  IJSONObject,
+} from '@automatisch/types';
+
+export default class Slack implements IService {
+  authenticationClient: IAuthentication;
+
+  constructor(appData: IApp, connectionData: IJSONObject) {
+    this.authenticationClient = new Authentication(appData, connectionData);
+  }
+}

packages/backend/src/apps/slack/info.json

@@ -0,0 +1,100 @@
+{
+  "name": "Slack",
+  "key": "slack",
+  "iconUrl": "{BASE_URL}/apps/slack/assets/favicon.svg",
+  "docUrl": "https://automatisch.io/docs/slack",
+  "primaryColor": "2DAAE1",
+  "fields": [
+    {
+      "key": "accessToken",
+      "label": "Access Token",
+      "type": "string",
+      "required": true,
+      "readOnly": false,
+      "value": null,
+      "placeholder": null,
+      "description": "Access token of slack that Automatisch will connect to.",
+      "docUrl": "https://automatisch.io/docs/slack#access-token",
+      "clickToCopy": false
+    }
+  ],
+  "authenticationSteps": [
+    {
+      "step": 1,
+      "type": "mutation",
+      "name": "createConnection",
+      "arguments": [
+        {
+          "name": "key",
+          "value": "{key}"
+        },
+        {
+          "name": "formattedData",
+          "value": null,
+          "properties": [
+            {
+              "name": "accessToken",
+              "value": "{fields.accessToken}"
+            }
+          ]
+        }
+      ]
+    },
+    {
+      "step": 2,
+      "type": "mutation",
+      "name": "verifyConnection",
+      "arguments": [
+        {
+          "name": "id",
+          "value": "{createConnection.id}"
+        }
+      ]
+    }
+  ],
+  "reconnectionSteps": [
+    {
+      "step": 1,
+      "type": "mutation",
+      "name": "resetConnection",
+      "arguments": [
+        {
+          "name": "id",
+          "value": "{connection.id}"
+        }
+      ]
+    },
+    {
+      "step": 2,
+      "type": "mutation",
+      "name": "updateConnection",
+      "arguments": [
+        {
+          "name": "id",
+          "value": "{connection.id}"
+        },
+        {
+          "name": "formattedData",
+          "value": null,
+          "properties": [
+            {
+              "name": "accessToken",
+              "value": "{fields.accessToken}"
+            }
+          ]
+        }
+      ]
+    },
+    {
+      "step": 3,
+      "type": "mutation",
+      "name": "verifyConnection",
+      "arguments": [
+        {
+          "name": "id",
+          "value": "{connection.id}"
+        }
+      ]
+    }
+  ]
+}

packages/backend/src/graphql/schema.graphql

@@ -125,6 +125,7 @@ enum AvailableAppsEnumType {
   twitch
   twitter
   typeform
+  slack
 }
 
 type Connection {