Merge branch 'travis/slack'

docs/reference/scalar_server_api.md

@@ -322,6 +322,278 @@ None of these are officially documented, and are subject to change.
 }
 ```
 
+## POST `/api/bridges/slack/_matrix/provision/getlink/?scalar_token=...`
+
+**Body**
+```
+{
+  "matrix_room_id": "!JmvocvDuPTYUfuvKgs:t2l.io"
+}
+```
+
+**Response (webhooks)**
+```
+{
+  "replies": [{
+    "rid": "...",
+    "response": {
+      "auth_uri": "https://slack.com/oauth/authorize?client_id=...",
+      "inbound_uri":" https://matrix.org/slackhook/...",
+      "isWebhook": true,
+      "matrix_room_id":" !JmvocvDuPTYUfuvKgs:t2l.io",
+      "slack_webhook_uri": "https://hooks.slack.com/...",
+      "status": "pending"
+    }
+  }]
+}
+```
+
+**Response (events)**
+```
+{
+  "replies": [{
+    "rid": "...",
+    "response": {
+      "inbound_uri":" https://matrix.org/slackhook/...",
+      "isWebhook": false,
+      "matrix_room_id":" !JmvocvDuPTYUfuvKgs:t2l.io",
+      "slack_channel_name": "general",
+      "team_id": "ABC...",
+      "status": "ready",
+      "slack_channel_id": "ABC..."
+    }
+  }]
+}
+```
+
+*Note*: The `auth_uri` disappears after the user has authorized the bridge. This endpoint is also polled. This will also 404 if there is no link.
+
+## POST `/api/bridges/slack/_matrix/provision/getbotid?scalar_token=...`
+
+**Body**
+```
+{}
+```
+
+**Response**
+```
+{
+  "replies": [
+    {
+      "rid": "..",
+      "response": {
+        "bot_user_id": "@slackbot:matrix.org"
+      }
+    }
+  ]
+}
+```
+
+## POST `/api/bridges/slack/_matrix/provision/logout?scalar_token=...`
+
+**Body**
+```
+{
+  "slack_id": "ABC..."
+}
+```
+
+**Response**
+```
+{
+  "replies": [
+    {
+      "rid": "..",
+      "response": {
+        "UNKNOWN": "RESPONSE"
+      }
+    }
+  ]
+}
+```
+
+## POST `/api/bridges/slack/_matrix/provision/link?scalar_token=...`
+
+**Body (webhooks)**
+```
+{
+  "matrix_room_id": "!JmvocvDuPTYUfuvKgs:t2l.io",
+  "slack_webhook_url": "https://hooks.slack.com/..."
+}
+```
+
+**Body (events)**
+```
+{
+  "matrix_room_id": "!JmvocvDuPTYUfuvKgs:t2l.io",
+  "channel_id": "ABC...",
+  "team_id": "ABC..."
+}
+```
+
+**Response (webhooks)**
+```
+{
+  "replies": [
+    {
+      "rid": "..",
+      "response": {
+        "inbound_uri": "https://matrix.org/slackhook/...",
+        "matrix_room_id": "!JmvocvDuPTYUfuvKgs:t2l.io",
+        "slack_webhook_uri": "https://hooks.slack.com/...",
+        "status": "pending"
+      }
+    }
+  ]
+}
+```
+
+**Response (events)**
+```
+{
+  "replies": [
+    {
+      "rid": "..",
+      "response": {
+        "inbound_uri": "https://matrix.org/slackhook/...",
+        "matrix_room_id": "!JmvocvDuPTYUfuvKgs:t2l.io",
+        "slack_channel_name": "general",
+        "slack_channel_id": "ABC...",
+        "status": "ready"
+      }
+    }
+  ]
+}
+```
+
+## POST `/api/bridges/slack/_matrix/provision/teams?scalar_token=...`
+
+**Body**
+```
+{}
+```
+
+**Response**
+```
+{
+  "replies": [
+    {
+      "rid": "..",
+      "response": {
+        "teams": [
+           {
+             "id": "ABC...",
+             "name": "turt2live",
+             "slack_id": "ABC..."
+           }
+        ]
+      }
+    }
+  ]
+}
+```
+
+*Note*: This 404s if there's no teams set up.
+
+## POST `/api/bridges/slack/_matrix/provision/channels?scalar_token=...`
+
+**Body**
+```
+{
+  "team_id": "ABC..."
+}
+```
+
+**Response**
+```
+{
+  "replies": [
+    {
+      "rid": "..",
+      "response": {
+        "channels": [
+           {
+             "id": "ABC...",
+             "name":"general",
+             "purpose":{
+               "creator":"",
+               "last_set":0,
+               "value":"This channel is for team-wide communication and announcements. All team members are in this channel."
+             },
+             "topic":{
+               "creator":"",
+               "last_set":0,
+               "value":"Company-wide announcements and work-based matters"
+             }
+           }
+        ]
+      }
+    }
+  ]
+}
+```
+
+## POST `/api/bridges/slack/_matrix/provision/authurl?scalar_token=...`
+
+**Body**
+```
+{}
+```
+
+**Response**
+```
+{
+  "replies": [
+    {
+      "rid": "..",
+      "response": {
+        "auth_uri": "https://slack.com/oauth/..."
+      }
+    }
+  ]
+}
+```
+
+*Note*: This 404s if there's no teams set up.
+
+## POST `/api/bridges/gitter/_matrix/provision/unlink?scalar_token=...`
+
+**Body (webhooks)**
+```
+{
+  "inbound_uri":" https://matrix.org/slackhook/...",
+  "isWebhook": true,
+  "matrix_room_id":" !JmvocvDuPTYUfuvKgs:t2l.io",
+  "slack_webhook_uri": "https://hooks.slack.com/...",
+  "status": "pending"
+}
+```
+
+**Body (events)**
+```
+{
+  "inbound_uri":" https://matrix.org/slackhook/...",
+  "isWebhook": false,
+  "matrix_room_id":" !JmvocvDuPTYUfuvKgs:t2l.io",
+  "slack_channel_id": "ABC...",
+  "slack_channel_name": "general",
+  "team_id": "ABC...",
+  "status": "ready"
+}
+```
+
+**Response**
+```
+{
+  "replies": [
+    {
+      "rid": "..",
+      "response": {}
+    }
+  ]
+}
+```
+
 ## POST `/api/bridges/gitter/_matrix/provision/getlink/?scalar_token=...`
 
 **Body**

src/MemoryCache.ts

@@ -52,4 +52,5 @@ export const CACHE_STICKERS = "stickers";
 export const CACHE_TELEGRAM_BRIDGE = "telegram-bridge";
 export const CACHE_WEBHOOKS_BRIDGE = "webhooks-bridge";
 export const CACHE_GITTER_BRIDGE = "gitter-bridge";
-export const CACHE_SIMPLE_BOTS = "simple-bots";
+export const CACHE_SIMPLE_BOTS = "simple-bots";
+export const CACHE_SLACK_BRIDGE = "slack-bridge";

src/api/admin/AdminSlackService.ts

@@ -0,0 +1,114 @@
+import { GET, Path, PathParam, POST, QueryParam } from "typescript-rest";
+import { AdminService } from "./AdminService";
+import { Cache, CACHE_INTEGRATIONS, CACHE_SLACK_BRIDGE } from "../../MemoryCache";
+import { LogService } from "matrix-js-snippets";
+import { ApiError } from "../ApiError";
+import Upstream from "../../db/models/Upstream";
+import SlackBridgeRecord from "../../db/models/SlackBridgeRecord";
+
+interface CreateWithUpstream {
+    upstreamId: number;
+}
+
+interface CreateSelfhosted {
+    provisionUrl: string;
+}
+
+interface BridgeResponse {
+    id: number;
+    upstreamId?: number;
+    provisionUrl?: string;
+    isEnabled: boolean;
+}
+
+/**
+ * Administrative API for configuring Slack bridge instances.
+ */
+@Path("/api/v1/dimension/admin/slack")
+export class AdminSlackService {
+
+    @GET
+    @Path("all")
+    public async getBridges(@QueryParam("scalar_token") scalarToken: string): Promise<BridgeResponse[]> {
+        await AdminService.validateAndGetAdminTokenOwner(scalarToken);
+
+        const bridges = await SlackBridgeRecord.findAll();
+        return Promise.all(bridges.map(async b => {
+            return {
+                id: b.id,
+                upstreamId: b.upstreamId,
+                provisionUrl: b.provisionUrl,
+                isEnabled: b.isEnabled,
+            };
+        }));
+    }
+
+    @GET
+    @Path(":bridgeId")
+    public async getBridge(@QueryParam("scalar_token") scalarToken: string, @PathParam("bridgeId") bridgeId: number): Promise<BridgeResponse> {
+        await AdminService.validateAndGetAdminTokenOwner(scalarToken);
+
+        const telegramBridge = await SlackBridgeRecord.findByPrimary(bridgeId);
+        if (!telegramBridge) throw new ApiError(404, "Slack Bridge not found");
+
+        return {
+            id: telegramBridge.id,
+            upstreamId: telegramBridge.upstreamId,
+            provisionUrl: telegramBridge.provisionUrl,
+            isEnabled: telegramBridge.isEnabled,
+        };
+    }
+
+    @POST
+    @Path(":bridgeId")
+    public async updateBridge(@QueryParam("scalar_token") scalarToken: string, @PathParam("bridgeId") bridgeId: number, request: CreateSelfhosted): Promise<BridgeResponse> {
+        const userId = await AdminService.validateAndGetAdminTokenOwner(scalarToken);
+
+        const bridge = await SlackBridgeRecord.findByPrimary(bridgeId);
+        if (!bridge) throw new ApiError(404, "Bridge not found");
+
+        bridge.provisionUrl = request.provisionUrl;
+        await bridge.save();
+
+        LogService.info("AdminSlackService", userId + " updated Slack Bridge " + bridge.id);
+
+        Cache.for(CACHE_SLACK_BRIDGE).clear();
+        Cache.for(CACHE_INTEGRATIONS).clear();
+        return this.getBridge(scalarToken, bridge.id);
+    }
+
+    @POST
+    @Path("new/upstream")
+    public async newConfigForUpstream(@QueryParam("scalar_token") scalarToken: string, request: CreateWithUpstream): Promise<BridgeResponse> {
+        const userId = await AdminService.validateAndGetAdminTokenOwner(scalarToken);
+
+        const upstream = await Upstream.findByPrimary(request.upstreamId);
+        if (!upstream) throw new ApiError(400, "Upstream not found");
+
+        const bridge = await SlackBridgeRecord.create({
+            upstreamId: request.upstreamId,
+            isEnabled: true,
+        });
+        LogService.info("AdminSlackService", userId + " created a new Slack Bridge from upstream " + request.upstreamId);
+
+        Cache.for(CACHE_SLACK_BRIDGE).clear();
+        Cache.for(CACHE_INTEGRATIONS).clear();
+        return this.getBridge(scalarToken, bridge.id);
+    }
+
+    @POST
+    @Path("new/selfhosted")
+    public async newSelfhosted(@QueryParam("scalar_token") scalarToken: string, request: CreateSelfhosted): Promise<BridgeResponse> {
+        const userId = await AdminService.validateAndGetAdminTokenOwner(scalarToken);
+
+        const bridge = await SlackBridgeRecord.create({
+            provisionUrl: request.provisionUrl,
+            isEnabled: true,
+        });
+        LogService.info("AdminSlackService", userId + " created a new Slack Bridge with provisioning URL " + request.provisionUrl);
+
+        Cache.for(CACHE_SLACK_BRIDGE).clear();
+        Cache.for(CACHE_INTEGRATIONS).clear();
+        return this.getBridge(scalarToken, bridge.id);
+    }
+}

src/api/dimension/DimensionSlackService.ts

@@ -0,0 +1,104 @@
+import { DELETE, GET, Path, PathParam, POST, QueryParam } from "typescript-rest";
+import { ScalarService } from "../scalar/ScalarService";
+import { ApiError } from "../ApiError";
+import { LogService } from "matrix-js-snippets";
+import { BridgedChannel, SlackBridge } from "../../bridges/SlackBridge";
+import { SlackChannel, SlackTeam } from "../../bridges/models/slack";
+
+interface BridgeRoomRequest {
+    teamId: string;
+    channelId: string;
+}
+
+/**
+ * API for interacting with the Slack bridge
+ */
+@Path("/api/v1/dimension/slack")
+export class DimensionSlackService {
+
+    @GET
+    @Path("room/:roomId/link")
+    public async getLink(@QueryParam("scalar_token") scalarToken: string, @PathParam("roomId") roomId: string): Promise<BridgedChannel> {
+        const userId = await ScalarService.getTokenOwner(scalarToken);
+
+        try {
+            const slack = new SlackBridge(userId);
+            return slack.getLink(roomId);
+        } catch (e) {
+            LogService.error("DimensionSlackService", e);
+            throw new ApiError(400, "Error getting bridge info");
+        }
+    }
+
+    @POST
+    @Path("room/:roomId/link")
+    public async bridgeRoom(@QueryParam("scalar_token") scalarToken: string, @PathParam("roomId") roomId: string, request: BridgeRoomRequest): Promise<BridgedChannel> {
+        const userId = await ScalarService.getTokenOwner(scalarToken);
+
+        try {
+            const slack = new SlackBridge(userId);
+            await slack.requestEventsLink(roomId, request.teamId, request.channelId);
+            return slack.getLink(roomId);
+        } catch (e) {
+            LogService.error("DimensionSlackService", e);
+            throw new ApiError(400, "Error bridging room");
+        }
+    }
+
+    @DELETE
+    @Path("room/:roomId/link")
+    public async unbridgeRoom(@QueryParam("scalar_token") scalarToken: string, @PathParam("roomId") roomId: string): Promise<any> {
+        const userId = await ScalarService.getTokenOwner(scalarToken);
+
+        try {
+            const slack = new SlackBridge(userId);
+            const link = await slack.getLink(roomId);
+            if (link.isWebhook) await slack.removeWebhooksLink(roomId);
+            else await slack.removeEventsLink(roomId, link.teamId, link.channelId);
+            return {}; // 200 OK
+        } catch (e) {
+            LogService.error("DimensionSlackService", e);
+            throw new ApiError(400, "Error unbridging room");
+        }
+    }
+
+    @GET
+    @Path("teams")
+    public async getTeams(@QueryParam("scalar_token") scalarToken: string): Promise<SlackTeam[]> {
+        const userId = await ScalarService.getTokenOwner(scalarToken);
+
+        const slack = new SlackBridge(userId);
+        const teams = await slack.getTeams();
+        if (!teams) throw new ApiError(404, "No teams found");
+        return teams;
+    }
+
+    @GET
+    @Path("teams/:teamId/channels")
+    public async getChannels(@QueryParam("scalar_token") scalarToken: string, @PathParam("teamId") teamId: string): Promise<SlackChannel[]> {
+        const userId = await ScalarService.getTokenOwner(scalarToken);
+
+        try {
+            const slack = new SlackBridge(userId);
+            return slack.getChannels(teamId);
+        } catch (e) {
+            LogService.error("DimensionSlackService", e);
+            throw new ApiError(400, "Error getting channel info");
+        }
+    }
+
+    @GET
+    @Path("auth")
+    public async getAuthUrl(@QueryParam("scalar_token") scalarToken: string): Promise<{ authUrl: string }> {
+        const userId = await ScalarService.getTokenOwner(scalarToken);
+
+        try {
+            const slack = new SlackBridge(userId);
+            const authUrl = await slack.getAuthUrl();
+            return {authUrl};
+        } catch (e) {
+            LogService.error("DimensionSlackService", e);
+            throw new ApiError(400, "Error getting auth info");
+        }
+    }
+}

src/bridges/SlackBridge.ts

@@ -0,0 +1,312 @@
+import IrcBridgeRecord from "../db/models/IrcBridgeRecord";
+import Upstream from "../db/models/Upstream";
+import UserScalarToken from "../db/models/UserScalarToken";
+import { LogService } from "matrix-js-snippets";
+import * as request from "request";
+import { ModularSlackResponse } from "../models/ModularResponses";
+import SlackBridgeRecord from "../db/models/SlackBridgeRecord";
+import {
+    AuthUrlResponse,
+    BridgedChannelResponse,
+    ChannelsResponse,
+    GetBotUserIdResponse,
+    SlackChannel,
+    SlackTeam,
+    TeamsResponse
+} from "./models/slack";
+
+export interface SlackBridgeInfo {
+    botUserId: string;
+}
+
+export interface BridgedChannel {
+    roomId: string;
+    isWebhook: boolean;
+    channelName: string;
+    channelId: string;
+    teamId: string;
+}
+
+export class SlackBridge {
+
+    constructor(private requestingUserId: string) {
+    }
+
+    private async getDefaultBridge(): Promise<SlackBridgeRecord> {
+        const bridges = await SlackBridgeRecord.findAll({where: {isEnabled: true}});
+        if (!bridges || bridges.length !== 1) {
+            throw new Error("No bridges or too many bridges found");
+        }
+        return bridges[0];
+    }
+
+    public async isBridgingEnabled(): Promise<boolean> {
+        const bridges = await SlackBridgeRecord.findAll({where: {isEnabled: true}});
+        return !!bridges;
+    }
+
+    public async getBridgeInfo(): Promise<SlackBridgeInfo> {
+        const bridge = await this.getDefaultBridge();
+
+        if (bridge.upstreamId) {
+            const info = await this.doUpstreamRequest<ModularSlackResponse<GetBotUserIdResponse>>(bridge, "POST", "/bridges/slack/_matrix/provision/getbotid/", null, {});
+            if (!info || !info.replies || !info.replies[0] || !info.replies[0].response) {
+                throw new Error("Invalid response from Modular for Slack bot user ID");
+            }
+            return {botUserId: info.replies[0].response.bot_user_id};
+        } else {
+            const info = await this.doProvisionRequest<GetBotUserIdResponse>(bridge, "POST", "/_matrix/provision/getbotid");
+            return {botUserId: info.bot_user_id};
+        }
+    }
+
+    public async getLink(roomId: string): Promise<BridgedChannel> {
+        const bridge = await this.getDefaultBridge();
+
+        const requestBody = {
+            matrix_room_id: roomId,
+            user_id: this.requestingUserId,
+        };
+        try {
+            if (bridge.upstreamId) {
+                delete requestBody["user_id"];
+                const link = await this.doUpstreamRequest<ModularSlackResponse<BridgedChannelResponse>>(bridge, "POST", "/bridges/slack/_matrix/provision/getlink", null, requestBody);
+                if (!link || !link.replies || !link.replies[0] || !link.replies[0].response) {
+                    // noinspection ExceptionCaughtLocallyJS
+                    throw new Error("Invalid response from Modular for Slack list links in " + roomId);
+                }
+                return {
+                    roomId: link.replies[0].response.matrix_room_id,
+                    isWebhook: link.replies[0].response.isWebhook,
+                    channelName: link.replies[0].response.slack_channel_name,
+                    channelId: link.replies[0].response.slack_channel_id,
+                    teamId: link.replies[0].response.team_id,
+                };
+            } else {
+                const link = await this.doProvisionRequest<BridgedChannelResponse>(bridge, "POST", "/_matrix/provision/getlink", null, requestBody);
+                return {
+                    roomId: link.matrix_room_id,
+                    isWebhook: link.isWebhook,
+                    channelName: link.slack_channel_name,
+                    channelId: link.slack_channel_id,
+                    teamId: link.team_id,
+                };
+            }
+        } catch (e) {
+            if (e.status === 404) return null;
+            LogService.error("SlackBridge", e);
+            throw e;
+        }
+    }
+
+    public async requestEventsLink(roomId: string, teamId: string, channelId: string): Promise<any> {
+        const bridge = await this.getDefaultBridge();
+
+        const requestBody = {
+            matrix_room_id: roomId,
+            channel_id: channelId,
+            team_id: teamId,
+            user_id: this.requestingUserId,
+        };
+
+        if (bridge.upstreamId) {
+            delete requestBody["user_id"];
+            await this.doUpstreamRequest(bridge, "POST", "/bridges/slack/_matrix/provision/link", null, requestBody);
+        } else {
+            await this.doProvisionRequest(bridge, "POST", "/_matrix/provision/link", null, requestBody);
+        }
+    }
+
+    public async removeEventsLink(roomId: string, teamId: string, channelId: string): Promise<any> {
+        const bridge = await this.getDefaultBridge();
+
+        const requestBody = {
+            matrix_room_id: roomId,
+            channel_id: channelId,
+            team_id: teamId,
+            user_id: this.requestingUserId,
+        };
+
+        if (bridge.upstreamId) {
+            delete requestBody["user_id"];
+            await this.doUpstreamRequest(bridge, "POST", "/bridges/slack/_matrix/provision/unlink", null, requestBody);
+        } else {
+            await this.doProvisionRequest(bridge, "POST", "/_matrix/provision/unlink", null, requestBody);
+        }
+    }
+
+    public async removeWebhooksLink(roomId: string): Promise<any> {
+        const bridge = await this.getDefaultBridge();
+
+        const requestBody = {
+            matrix_room_id: roomId,
+            user_id: this.requestingUserId,
+        };
+
+        if (bridge.upstreamId) {
+            delete requestBody["user_id"];
+            await this.doUpstreamRequest(bridge, "POST", "/bridges/slack/_matrix/provision/unlink", null, requestBody);
+        } else {
+            await this.doProvisionRequest(bridge, "POST", "/_matrix/provision/unlink", null, requestBody);
+        }
+    }
+
+    public async getChannels(teamId: string): Promise<SlackChannel[]> {
+        const bridge = await this.getDefaultBridge();
+
+        const requestBody = {
+            team_id: teamId,
+            user_id: this.requestingUserId,
+        };
+
+        try {
+            if (bridge.upstreamId) {
+                delete requestBody["user_id"];
+                const response = await this.doUpstreamRequest<ModularSlackResponse<ChannelsResponse>>(bridge, "POST", "/bridges/slack/_matrix/provision/channels", null, requestBody);
+                if (!response || !response.replies || !response.replies[0] || !response.replies[0].response) {
+                    // noinspection ExceptionCaughtLocallyJS
+                    throw new Error("Invalid response from Modular for Slack get channels of " + teamId);
+                }
+                return response.replies[0].response.channels;
+            } else {
+                const response = await this.doProvisionRequest<ChannelsResponse>(bridge, "POST", "/_matrix/provision/channels", null, requestBody);
+                return response.channels;
+            }
+        } catch (e) {
+            if (e.status === 404) return null;
+            LogService.error("SlackBridge", e);
+            throw e;
+        }
+    }
+
+    public async getTeams(): Promise<SlackTeam[]> {
+        const bridge = await this.getDefaultBridge();
+
+        const requestBody = {
+            user_id: this.requestingUserId,
+        };
+
+        try {
+            if (bridge.upstreamId) {
+                delete requestBody["user_id"];
+                const response = await this.doUpstreamRequest<ModularSlackResponse<TeamsResponse>>(bridge, "POST", "/bridges/slack/_matrix/provision/teams", null, requestBody);
+                if (!response || !response.replies || !response.replies[0] || !response.replies[0].response) {
+                    // noinspection ExceptionCaughtLocallyJS
+                    throw new Error("Invalid response from Modular for Slack get teams for " + this.requestingUserId);
+                }
+                return response.replies[0].response.teams;
+            } else {
+                const response = await this.doProvisionRequest<TeamsResponse>(bridge, "POST", "/_matrix/provision/teams", null, requestBody);
+                return response.teams;
+            }
+        } catch (e) {
+            if (e.status === 404) return null;
+            LogService.error("SlackBridge", e);
+            throw e;
+        }
+    }
+
+    public async getAuthUrl(): Promise<string> {
+        const bridge = await this.getDefaultBridge();
+
+        const requestBody = {
+            user_id: this.requestingUserId,
+        };
+
+        try {
+            if (bridge.upstreamId) {
+                delete requestBody["user_id"];
+                const response = await this.doUpstreamRequest<ModularSlackResponse<AuthUrlResponse>>(bridge, "POST", "/bridges/slack/_matrix/provision/authurl", null, requestBody);
+                if (!response || !response.replies || !response.replies[0] || !response.replies[0].response) {
+                    // noinspection ExceptionCaughtLocallyJS
+                    throw new Error("Invalid response from Modular for Slack get auth url for " + this.requestingUserId);
+                }
+                return response.replies[0].response.auth_uri;
+            } else {
+                const response = await this.doProvisionRequest<AuthUrlResponse>(bridge, "POST", "/_matrix/provision/authurl", null, requestBody);
+                return response.auth_uri;
+            }
+        } catch (e) {
+            if (e.status === 404) return null;
+            LogService.error("SlackBridge", e);
+            throw e;
+        }
+    }
+
+    private async doUpstreamRequest<T>(bridge: IrcBridgeRecord, method: string, endpoint: string, qs?: any, body?: any): Promise<T> {
+        const upstream = await Upstream.findByPrimary(bridge.upstreamId);
+        const token = await UserScalarToken.findOne({
+            where: {
+                upstreamId: upstream.id,
+                isDimensionToken: false,
+                userId: this.requestingUserId,
+            },
+        });
+
+        if (!qs) qs = {};
+        qs["scalar_token"] = token.scalarToken;
+
+        const apiUrl = upstream.apiUrl.endsWith("/") ? upstream.apiUrl.substring(0, upstream.apiUrl.length - 1) : upstream.apiUrl;
+        const url = apiUrl + (endpoint.startsWith("/") ? endpoint : "/" + endpoint);
+        LogService.info("SlackBridge", "Doing upstream Slack Bridge request: " + url);
+
+        return new Promise<T>((resolve, reject) => {
+            request({
+                method: method,
+                url: url,
+                qs: qs,
+                json: body,
+            }, (err, res, _body) => {
+                if (err) {
+                    LogService.error("SlackBridge", "Error calling " + url);
+                    LogService.error("SlackBridge", err);
+                    reject(err);
+                } else if (!res) {
+                    LogService.error("SlackBridge", "There is no response for " + url);
+                    reject(new Error("No response provided - is the service online?"));
+                } else if (res.statusCode !== 200) {
+                    if (typeof(res.body) === "string") res.body = JSON.parse(res.body);
+                    LogService.error("SlackBridge", "Got status code " + res.statusCode + " when calling " + url);
+                    LogService.error("SlackBridge", res.body);
+                    reject({body: res.body, status: res.statusCode});
+                } else {
+                    if (typeof(res.body) === "string") res.body = JSON.parse(res.body);
+                    resolve(res.body);
+                }
+            });
+        });
+    }
+
+    private async doProvisionRequest<T>(bridge: IrcBridgeRecord, method: string, endpoint: string, qs?: any, body?: any): Promise<T> {
+        const provisionUrl = bridge.provisionUrl;
+        const apiUrl = provisionUrl.endsWith("/") ? provisionUrl.substring(0, provisionUrl.length - 1) : provisionUrl;
+        const url = apiUrl + (endpoint.startsWith("/") ? endpoint : "/" + endpoint);
+        LogService.info("SlackBridge", "Doing provision Slack Bridge request: " + url);
+
+        return new Promise<T>((resolve, reject) => {
+            request({
+                method: method,
+                url: url,
+                qs: qs,
+                json: body,
+            }, (err, res, _body) => {
+                if (err) {
+                    LogService.error("SlackBridge", "Error calling" + url);
+                    LogService.error("SlackBridge", err);
+                    reject(err);
+                } else if (!res) {
+                    LogService.error("SlackBridge", "There is no response for " + url);
+                    reject(new Error("No response provided - is the service online?"));
+                } else if (res.statusCode !== 200) {
+                    if (typeof(res.body) === "string") res.body = JSON.parse(res.body);
+                    LogService.error("SlackBridge", "Got status code " + res.statusCode + " when calling " + url);
+                    LogService.error("SlackBridge", res.body);
+                    reject({body: res.body, status: res.statusCode});
+                } else {
+                    if (typeof(res.body) === "string") res.body = JSON.parse(res.body);
+                    resolve(res.body);
+                }
+            });
+        });
+    }
+}

src/bridges/models/slack.ts

@@ -0,0 +1,48 @@
+export interface GetBotUserIdResponse {
+    bot_user_id: string;
+}
+
+export interface BridgedChannelResponse {
+    matrix_room_id: string;
+    auth_url?: string;
+    inbound_uri?: string;
+    isWebhook: boolean;
+    slack_webhook_uri?: string;
+    status: "pending" | "ready";
+    slack_channel_name?: string;
+    team_id?: string;
+    slack_channel_id: string;
+}
+
+export interface TeamsResponse {
+    teams: SlackTeam[];
+}
+
+export interface SlackTeam {
+    id: string;
+    name: string;
+    slack_id: string;
+}
+
+export interface ChannelsResponse {
+    channels: SlackChannel[];
+}
+
+export interface SlackChannel {
+    id: string;
+    name: string;
+    purpose: {
+        creator: string;
+        last_set: number;
+        value: string;
+    };
+    topic: {
+        creator: string;
+        last_set: number;
+        value: string;
+    };
+}
+
+export interface AuthUrlResponse {
+    auth_uri: string;
+}

src/db/BridgeStore.ts

@@ -1,6 +1,7 @@
 import {
     Bridge,
     GitterBridgeConfiguration,
+    SlackBridgeConfiguration,
     TelegramBridgeConfiguration,
     WebhookBridgeConfiguration
 } from "../integrations/Bridge";
@@ -10,6 +11,7 @@ import { LogService } from "matrix-js-snippets";
 import { TelegramBridge } from "../bridges/TelegramBridge";
 import { WebhooksBridge } from "../bridges/WebhooksBridge";
 import { GitterBridge } from "../bridges/GitterBridge";
+import { SlackBridge } from "../bridges/SlackBridge";
 
 export class BridgeStore {
 
@@ -50,14 +52,9 @@ export class BridgeStore {
         const record = await BridgeRecord.findOne({where: {type: integrationType}});
         if (!record) throw new Error("Bridge not found");
 
-        if (integrationType === "irc") {
-            throw new Error("IRC Bridges should be modified with the dedicated API");
-        } else if (integrationType === "telegram") {
-            throw new Error("Telegram bridges should be modified with the dedicated API");
-        } else if (integrationType === "webhooks") {
-            throw new Error("Webhooks should be modified with the dedicated API");
-        } else if (integrationType === "gitter") {
-            throw new Error("Gitter Bridges should be modified with the dedicated API");
+        const hasDedicatedApi = ["irc", "telegram", "webhooks", "gitter", "slack"];
+        if (hasDedicatedApi.indexOf(integrationType) !== -1) {
+            throw new Error("This bridge should be modified with the dedicated API");
         } else throw new Error("Unsupported bridge");
     }
 
@@ -74,6 +71,9 @@ export class BridgeStore {
         } else if (record.type === "gitter") {
             const gitter = new GitterBridge(requestingUserId);
             return gitter.isBridgingEnabled();
+        } else if (record.type === "slack") {
+            const slack = new SlackBridge(requestingUserId);
+            return slack.isBridgingEnabled();
         } else return true;
     }
 
@@ -111,6 +111,15 @@ export class BridgeStore {
                 link: link,
                 botUserId: info.botUserId,
             };
+        } else if (record.type === "slack") {
+            if (!inRoomId) return {}; // The bridge's admin config is handled by other APIs
+            const slack = new SlackBridge(requestingUserId);
+            const info = await slack.getBridgeInfo();
+            const link = await slack.getLink(inRoomId);
+            return <SlackBridgeConfiguration>{
+                link: link,
+                botUserId: info.botUserId,
+            };
         } else return {};
     }
 

src/db/DimensionStore.ts

@@ -25,6 +25,7 @@ import TelegramBridgeRecord from "./models/TelegramBridgeRecord";
 import WebhookBridgeRecord from "./models/WebhookBridgeRecord";
 import GitterBridgeRecord from "./models/GitterBridgeRecord";
 import CustomSimpleBotRecord from "./models/CustomSimpleBotRecord";
+import SlackBridgeRecord from "./models/SlackBridgeRecord";
 
 class _DimensionStore {
     private sequelize: Sequelize;
@@ -61,6 +62,7 @@ class _DimensionStore {
             WebhookBridgeRecord,
             GitterBridgeRecord,
             CustomSimpleBotRecord,
+            SlackBridgeRecord,
         ]);
     }
 

src/db/migrations/20181024200245-AddSlackBridge.ts

@@ -0,0 +1,22 @@
+import { QueryInterface } from "sequelize";
+import { DataType } from "sequelize-typescript";
+
+export default {
+    up: (queryInterface: QueryInterface) => {
+        return Promise.resolve()
+            .then(() => queryInterface.createTable("dimension_slack_bridges", {
+                "id": {type: DataType.INTEGER, primaryKey: true, autoIncrement: true, allowNull: false},
+                "upstreamId": {
+                    type: DataType.INTEGER, allowNull: true,
+                    references: {model: "dimension_upstreams", key: "id"},
+                    onUpdate: "cascade", onDelete: "cascade",
+                },
+                "provisionUrl": {type: DataType.STRING, allowNull: true},
+                "isEnabled": {type: DataType.BOOLEAN, allowNull: false},
+            }));
+    },
+    down: (queryInterface: QueryInterface) => {
+        return Promise.resolve()
+            .then(() => queryInterface.dropTable("dimension_slack_bridges"));
+    }
+}

src/db/migrations/20181024200545-AddSlackBridgeRecord.ts

@@ -0,0 +1,23 @@
+import { QueryInterface } from "sequelize";
+
+export default {
+    up: (queryInterface: QueryInterface) => {
+        return Promise.resolve()
+            .then(() => queryInterface.bulkInsert("dimension_bridges", [
+                {
+                    type: "slack",
+                    name: "Slack Bridge",
+                    avatarUrl: "/img/avatars/slack.png",
+                    isEnabled: true,
+                    isPublic: true,
+                    description: "Bridges Slack channels to Matrix",
+                },
+            ]));
+    },
+    down: (queryInterface: QueryInterface) => {
+        return Promise.resolve()
+            .then(() => queryInterface.bulkDelete("dimension_bridges", {
+                type: "slack",
+            }));
+    }
+}

src/db/models/SlackBridgeRecord.ts

@@ -0,0 +1,26 @@
+import { AllowNull, AutoIncrement, Column, ForeignKey, Model, PrimaryKey, Table } from "sequelize-typescript";
+import Upstream from "./Upstream";
+
+@Table({
+    tableName: "dimension_slack_bridges",
+    underscoredAll: false,
+    timestamps: false,
+})
+export default class SlackBridgeRecord extends Model<SlackBridgeRecord> {
+    @PrimaryKey
+    @AutoIncrement
+    @Column
+    id: number;
+
+    @AllowNull
+    @Column
+    @ForeignKey(() => Upstream)
+    upstreamId?: number;
+
+    @AllowNull
+    @Column
+    provisionUrl?: string;
+
+    @Column
+    isEnabled: boolean;
+}

src/integrations/Bridge.ts

@@ -4,6 +4,7 @@ import { AvailableNetworks, LinkedChannels } from "../bridges/IrcBridge";
 import { PortalInfo, PuppetInfo } from "../bridges/TelegramBridge";
 import { WebhookConfiguration } from "../bridges/models/webhooks";
 import { BridgedRoom } from "../bridges/GitterBridge";
+import { BridgedChannel } from "../bridges/SlackBridge";
 
 const PRIVATE_ACCESS_SUPPORTED_BRIDGES = ["webhooks", "gitter"];
 
@@ -42,6 +43,11 @@ export interface WebhookBridgeConfiguration {
 }
 
 export interface GitterBridgeConfiguration {
-    link: BridgedRoom,
+    link: BridgedRoom;
+    botUserId: string;
+}
+
+export interface SlackBridgeConfiguration {
+    link: BridgedChannel;
     botUserId: string;
 }

src/models/ModularResponses.ts

@@ -15,4 +15,11 @@ export interface ModularGitterResponse<T> {
         rid: string;
         response: T;
     }[];
+}
+
+export interface ModularSlackResponse<T> {
+    replies: {
+        rid: string;
+        response: T;
+    }[];
 }

web/app/admin/bridges/gitter/gitter.component.ts

@@ -1,7 +1,6 @@
 import { Component, OnInit } from "@angular/core";
 import { ToasterService } from "angular2-toaster";
 import { Modal, overlayConfigFactory } from "ngx-modialog";
-import { FE_TelegramBridge } from "../../../shared/models/telegram";
 import {
     AdminGitterBridgeManageSelfhostedComponent,
     ManageSelfhostedGitterBridgeDialogContext
@@ -86,7 +85,7 @@ export class AdminGitterBridgeComponent implements OnInit {
         });
     }
 
-    public editBridge(bridge: FE_TelegramBridge) {
+    public editBridge(bridge: FE_GitterBridge) {
         this.modal.open(AdminGitterBridgeManageSelfhostedComponent, overlayConfigFactory({
             isBlocking: true,
             size: 'lg',

web/app/admin/bridges/gitter/manage-selfhosted/manage-selfhosted.component.ts

@@ -6,9 +6,6 @@ import { AdminGitterApiService } from "../../../../shared/services/admin/admin-g
 
 export class ManageSelfhostedGitterBridgeDialogContext extends BSModalContext {
     public provisionUrl: string;
-    public sharedSecret: string;
-    public allowTgPuppets = false;
-    public allowMxPuppets = false;
     public bridgeId: number;
 }
 

web/app/admin/bridges/slack/manage-selfhosted/manage-selfhosted.component.html

@@ -0,0 +1,24 @@
+<div class="dialog">
+    <div class="dialog-header">
+        <h4>{{ isAdding ? "Add a new" : "Edit" }} self-hosted Slack bridge</h4>
+    </div>
+    <div class="dialog-content">
+        <p>Self-hosted Slack bridges already have provisioning enabled. Be careful not to expose the API to the public internet.</p>
+
+        <label class="label-block">
+            Provisioning URL
+            <span class="text-muted ">The provisioning URL for the bridge. This is usually the same as the URL your homeserver uses to communicate with the bridge.</span>
+            <input type="text" class="form-control"
+                   placeholder="http://localhost:9000"
+                   [(ngModel)]="provisionUrl" [disabled]="isSaving"/>
+        </label>
+    </div>
+    <div class="dialog-footer">
+        <button type="button" (click)="add()" title="close" class="btn btn-primary btn-sm">
+            <i class="far fa-save"></i> Save
+        </button>
+        <button type="button" (click)="dialog.close()" title="close" class="btn btn-secondary btn-sm">
+            <i class="far fa-times-circle"></i> Cancel
+        </button>
+    </div>
+</div>

web/app/admin/bridges/slack/manage-selfhosted/manage-selfhosted.component.ts

@@ -0,0 +1,53 @@
+import { Component } from "@angular/core";
+import { ToasterService } from "angular2-toaster";
+import { DialogRef, ModalComponent } from "ngx-modialog";
+import { BSModalContext } from "ngx-modialog/plugins/bootstrap";
+import { AdminGitterApiService } from "../../../../shared/services/admin/admin-gitter-api.service";
+
+export class ManageSelfhostedSlackBridgeDialogContext extends BSModalContext {
+    public provisionUrl: string;
+    public bridgeId: number;
+}
+
+@Component({
+    templateUrl: "./manage-selfhosted.component.html",
+    styleUrls: ["./manage-selfhosted.component.scss"],
+})
+export class AdminSlackBridgeManageSelfhostedComponent implements ModalComponent<ManageSelfhostedSlackBridgeDialogContext> {
+
+    public isSaving = false;
+    public provisionUrl: string;
+    public bridgeId: number;
+    public isAdding = false;
+
+    constructor(public dialog: DialogRef<ManageSelfhostedSlackBridgeDialogContext>,
+                private gitterApi: AdminGitterApiService,
+                private toaster: ToasterService) {
+        this.provisionUrl = dialog.context.provisionUrl;
+        this.bridgeId = dialog.context.bridgeId;
+        this.isAdding = !this.bridgeId;
+    }
+
+    public add() {
+        this.isSaving = true;
+        if (this.isAdding) {
+            this.gitterApi.newSelfhosted(this.provisionUrl).then(() => {
+                this.toaster.pop("success", "Slack bridge added");
+                this.dialog.close();
+            }).catch(err => {
+                console.error(err);
+                this.isSaving = false;
+                this.toaster.pop("error", "Failed to create Slack bridge");
+            });
+        } else {
+            this.gitterApi.updateSelfhosted(this.bridgeId, this.provisionUrl).then(() => {
+                this.toaster.pop("success", "Slack bridge updated");
+                this.dialog.close();
+            }).catch(err => {
+                console.error(err);
+                this.isSaving = false;
+                this.toaster.pop("error", "Failed to update Slack bridge");
+            });
+        }
+    }
+}

web/app/admin/bridges/slack/slack.component.html

@@ -0,0 +1,45 @@
+<div *ngIf="isLoading">
+    <my-spinner></my-spinner>
+</div>
+<div *ngIf="!isLoading">
+    <my-ibox title="Slack Bridge Configurations">
+        <div class="my-ibox-content">
+            <p>
+                <a href="https://github.com/matrix-org/matrix-appservice-slack" target="_blank">matrix-appservice-slack</a>
+                is a Slack bridge that supports bridging Slack channels to Matrix. Users authorize the bridge to access their
+                Slack workspaces and from there they can pick the channels they'd like to bridge.
+            </p>
+
+            <table class="table table-striped table-condensed table-bordered">
+                <thead>
+                <tr>
+                    <th>Name</th>
+                    <th class="text-center" style="width: 120px;">Actions</th>
+                </tr>
+                </thead>
+                <tbody>
+                <tr *ngIf="!configurations || configurations.length === 0">
+                    <td colspan="2"><i>No bridge configurations.</i></td>
+                </tr>
+                <tr *ngFor="let bridge of configurations trackById">
+                    <td>
+                        {{ bridge.upstreamId ? "matrix.org's bridge" : "Self-hosted bridge" }}
+                        <span class="text-muted" style="display: inline-block;" *ngIf="!bridge.upstreamId">({{ bridge.provisionUrl }})</span>
+                    </td>
+                    <td class="text-center">
+                        <span class="editButton" (click)="editBridge(bridge)" *ngIf="!bridge.upstreamId">
+                            <i class="fa fa-pencil-alt"></i>
+                        </span>
+                    </td>
+                </tr>
+                </tbody>
+            </table>
+            <button type="button" class="btn btn-success btn-sm" (click)="addModularHostedBridge()" [disabled]="(configurations && configurations.length > 0) || isUpdating">
+                <i class="fa fa-plus"></i> Add matrix.org's bridge
+            </button>
+            <button type="button" class="btn btn-success btn-sm" (click)="addSelfHostedBridge()" [disabled]="(configurations && configurations.length > 0) || isUpdating">
+                <i class="fa fa-plus"></i> Add self-hosted bridge
+            </button>
+        </div>
+    </my-ibox>
+</div>

web/app/admin/bridges/slack/slack.component.scss

@@ -0,0 +1,3 @@
+.editButton {
+  cursor: pointer;
+}

web/app/admin/bridges/slack/slack.component.ts

@@ -0,0 +1,102 @@
+import { Component, OnInit } from "@angular/core";
+import { ToasterService } from "angular2-toaster";
+import { Modal, overlayConfigFactory } from "ngx-modialog";
+import { FE_Upstream } from "../../../shared/models/admin-responses";
+import { AdminUpstreamApiService } from "../../../shared/services/admin/admin-upstream-api.service";
+import {
+    AdminSlackBridgeManageSelfhostedComponent,
+    ManageSelfhostedSlackBridgeDialogContext
+} from "./manage-selfhosted/manage-selfhosted.component";
+import { FE_SlackBridge } from "../../../shared/models/slack";
+import { AdminSlackApiService } from "../../../shared/services/admin/admin-slack-api.service";
+
+@Component({
+    templateUrl: "./slack.component.html",
+    styleUrls: ["./slack.component.scss"],
+})
+export class AdminSlackBridgeComponent implements OnInit {
+
+    public isLoading = true;
+    public isUpdating = false;
+    public configurations: FE_SlackBridge[] = [];
+
+    private upstreams: FE_Upstream[];
+
+    constructor(private slackApi: AdminSlackApiService,
+                private upstreamApi: AdminUpstreamApiService,
+                private toaster: ToasterService,
+                private modal: Modal) {
+    }
+
+    public ngOnInit() {
+        this.reload().then(() => this.isLoading = false);
+    }
+
+    private async reload(): Promise<any> {
+        try {
+            this.upstreams = await this.upstreamApi.getUpstreams();
+            this.configurations = await this.slackApi.getBridges();
+        } catch (err) {
+            console.error(err);
+            this.toaster.pop("error", "Error loading bridges");
+        }
+    }
+
+    public addModularHostedBridge() {
+        this.isUpdating = true;
+
+        const createBridge = (upstream: FE_Upstream) => {
+            return this.slackApi.newFromUpstream(upstream).then(bridge => {
+                this.configurations.push(bridge);
+                this.toaster.pop("success", "matrix.org's Slack bridge added");
+                this.isUpdating = false;
+            }).catch(err => {
+                console.error(err);
+                this.isUpdating = false;
+                this.toaster.pop("error", "Error adding matrix.org's Slack Bridge");
+            });
+        };
+
+        const vectorUpstreams = this.upstreams.filter(u => u.type === "vector");
+        if (vectorUpstreams.length === 0) {
+            console.log("Creating default scalar upstream");
+            const scalarUrl = "https://scalar.vector.im/api";
+            this.upstreamApi.newUpstream("modular", "vector", scalarUrl, scalarUrl).then(upstream => {
+                this.upstreams.push(upstream);
+                createBridge(upstream);
+            }).catch(err => {
+                console.error(err);
+                this.toaster.pop("error", "Error creating matrix.org's Slack Bridge");
+            });
+        } else createBridge(vectorUpstreams[0]);
+    }
+
+    public addSelfHostedBridge() {
+        this.modal.open(AdminSlackBridgeManageSelfhostedComponent, overlayConfigFactory({
+            isBlocking: true,
+            size: 'lg',
+
+            provisionUrl: '',
+        }, ManageSelfhostedSlackBridgeDialogContext)).result.then(() => {
+            this.reload().catch(err => {
+                console.error(err);
+                this.toaster.pop("error", "Failed to get an update Slack bridge list");
+            });
+        });
+    }
+
+    public editBridge(bridge: FE_SlackBridge) {
+        this.modal.open(AdminSlackBridgeManageSelfhostedComponent, overlayConfigFactory({
+            isBlocking: true,
+            size: 'lg',
+
+            provisionUrl: bridge.provisionUrl,
+            bridgeId: bridge.id,
+        }, ManageSelfhostedSlackBridgeDialogContext)).result.then(() => {
+            this.reload().catch(err => {
+                console.error(err);
+                this.toaster.pop("error", "Failed to get an update Slack bridge list");
+            });
+        });
+    }
+}

web/app/app.module.ts

@@ -104,6 +104,11 @@ import { SpotifyWidgetWrapperComponent } from "./widget-wrappers/spotify/spotify
 import { AdminCustomSimpleBotsApiService } from "./shared/services/admin/admin-custom-simple-bots-api.service";
 import { AdminCustomBotsComponent } from "./admin/custom-bots/custom-bots.component";
 import { AdminAddCustomBotComponent } from "./admin/custom-bots/add/add.component";
+import { SlackApiService } from "./shared/services/integrations/slack-api.service";
+import { SlackBridgeConfigComponent } from "./configs/bridge/slack/slack.bridge.component";
+import { AdminSlackBridgeManageSelfhostedComponent } from "./admin/bridges/slack/manage-selfhosted/manage-selfhosted.component";
+import { AdminSlackBridgeComponent } from "./admin/bridges/slack/slack.component";
+import { AdminSlackApiService } from "./shared/services/admin/admin-slack-api.service";
 
 @NgModule({
     imports: [
@@ -190,6 +195,9 @@ import { AdminAddCustomBotComponent } from "./admin/custom-bots/add/add.componen
         SpotifyWidgetWrapperComponent,
         AdminCustomBotsComponent,
         AdminAddCustomBotComponent,
+        SlackBridgeConfigComponent,
+        AdminSlackBridgeManageSelfhostedComponent,
+        AdminSlackBridgeComponent,
 
         // Vendor
     ],
@@ -216,6 +224,8 @@ import { AdminAddCustomBotComponent } from "./admin/custom-bots/add/add.componen
         AdminGitterApiService,
         GitterApiService,
         AdminCustomSimpleBotsApiService,
+        SlackApiService,
+        AdminSlackApiService,
         {provide: Window, useValue: window},
 
         // Vendor
@@ -239,6 +249,7 @@ import { AdminAddCustomBotComponent } from "./admin/custom-bots/add/add.componen
         AdminWebhooksBridgeManageSelfhostedComponent,
         AdminGitterBridgeManageSelfhostedComponent,
         AdminAddCustomBotComponent,
+        AdminSlackBridgeManageSelfhostedComponent,
     ]
 })
 export class AppModule {

web/app/app.routing.ts

@@ -40,6 +40,8 @@ import { TradingViewWidgetWrapperComponent } from "./widget-wrappers/tradingview
 import { SpotifyWidgetConfigComponent } from "./configs/widget/spotify/spotify.widget.component";
 import { SpotifyWidgetWrapperComponent } from "./widget-wrappers/spotify/spotify.component";
 import { AdminCustomBotsComponent } from "./admin/custom-bots/custom-bots.component";
+import { AdminSlackBridgeComponent } from "./admin/bridges/slack/slack.component";
+import { SlackBridgeConfigComponent } from "./configs/bridge/slack/slack.bridge.component";
 
 const routes: Routes = [
     {path: "", component: HomeComponent},
@@ -125,6 +127,11 @@ const routes: Routes = [
                                 component: AdminGitterBridgeComponent,
                                 data: {breadcrumb: "Gitter Bridge", name: "Gitter Bridge"},
                             },
+                            {
+                                path: "slack",
+                                component: AdminSlackBridgeComponent,
+                                data: {breadcrumb: "Slack Bridge", name: "Slack Bridge"},
+                            },
                         ],
                     },
                     {
@@ -232,6 +239,11 @@ const routes: Routes = [
                         component: GitterBridgeConfigComponent,
                         data: {breadcrumb: "Gitter Bridge Configuration", name: "Gitter Bridge Configuration"},
                     },
+                    {
+                        path: "slack",
+                        component: SlackBridgeConfigComponent,
+                        data: {breadcrumb: "Slack Bridge Configuration", name: "Slack Bridge Configuration"},
+                    },
                 ],
             },
             {

web/app/configs/bridge/slack/slack.bridge.component.html

@@ -0,0 +1,59 @@
+<my-bridge-config [bridgeComponent]="this">
+    <ng-template #bridgeParamsTemplate>
+        <my-ibox [isCollapsible]="false">
+            <h5 class="my-ibox-title">
+                Bridge to Slack
+            </h5>
+            <div class="my-ibox-content" *ngIf="loadingTeams">
+                <my-spinner></my-spinner>
+            </div>
+            <div class="my-ibox-content" *ngIf="!loadingTeams">
+                <div *ngIf="isBridged && bridge.config.link.isWebhook">
+                    This room is bridged to Slack using webhooks. Webhook bridging is legacy and doesn't support as
+                    rich bridging as the new approach. It is recommended to re-create the bridge with the new process.
+                    <br />
+                    <button type="button" class="btn btn-sm btn-danger" [disabled]="isBusy" (click)="unbridgeRoom()">
+                        Unbridge
+                    </button>
+                </div>
+                <div *ngIf="isBridged && !bridge.config.link.isWebhook">
+                    This room is bridged to "{{ bridge.config.link.channelName }}" on Slack.
+                    <button type="button" class="btn btn-sm btn-danger" [disabled]="isBusy" (click)="unbridgeRoom()">
+                        Unbridge
+                    </button>
+                </div>
+                <div *ngIf="!isBridged && needsAuth">
+                    <p>
+                        In order to bridge Slack channels, you'll need to authorize the bridge to access your teams
+                        and channels. Please click the button below to do so.
+                    </p>
+                    <a [href]="authUrl" rel="noopener" target="_blank">
+                        <img src="/img/slack_auth_button.png" class="slack-auth-button" alt="sign in with slack" />
+                    </a>
+                </div>
+                <div *ngIf="!isBridged && !needsAuth">
+                    <label class="label-block">
+                        Team
+                        <select class="form-control form-control-sm" [(ngModel)]="teamId"
+                                (change)="loadChannels()" [disabled]="isBusy">
+                            <option *ngFor="let team of teams" [ngValue]="team.id">
+                                {{ team.name }}
+                            </option>
+                        </select>
+                    </label>
+                    <label class="label-block">
+                        Channel
+                        <select class="form-control form-control-sm" [(ngModel)]="channelId" [disabled]="isBusy">
+                            <option *ngFor="let channel of channels" [ngValue]="channel.id">
+                                {{ channel.name }}
+                            </option>
+                        </select>
+                    </label>
+                    <button type="button" class="btn btn-sm btn-primary" [disabled]="isBusy" (click)="bridgeRoom()">
+                        Bridge
+                    </button>
+                </div>
+            </div>
+        </my-ibox>
+    </ng-template>
+</my-bridge-config>

web/app/configs/bridge/slack/slack.bridge.component.scss

@@ -0,0 +1,9 @@
+.actions-col {
+  width: 120px;
+  text-align: center;
+}
+
+.slack-auth-button {
+  width: 170px;
+  height: 40px;
+}

web/app/configs/bridge/slack/slack.bridge.component.ts

@@ -0,0 +1,129 @@
+import { Component, OnInit } from "@angular/core";
+import { BridgeComponent } from "../bridge.component";
+import { FE_SlackChannel, FE_SlackLink, FE_SlackTeam } from "../../../shared/models/slack";
+import { SlackApiService } from "../../../shared/services/integrations/slack-api.service";
+import { ScalarClientApiService } from "../../../shared/services/scalar/scalar-client-api.service";
+import { DomSanitizer, SafeUrl } from "@angular/platform-browser";
+
+interface SlackConfig {
+    botUserId: string;
+    link: FE_SlackLink;
+}
+
+@Component({
+    templateUrl: "slack.bridge.component.html",
+    styleUrls: ["slack.bridge.component.scss"],
+})
+export class SlackBridgeConfigComponent extends BridgeComponent<SlackConfig> implements OnInit {
+
+    public teamId: string;
+    public channelId: string;
+    public teams: FE_SlackTeam[];
+    public channels: FE_SlackChannel[];
+    public isBusy: boolean;
+    public loadingTeams = true;
+    public needsAuth = false;
+    public authUrl: SafeUrl;
+
+    private timerId: any;
+
+    constructor(private slack: SlackApiService, private scalar: ScalarClientApiService, private sanitizer: DomSanitizer) {
+        super("slack");
+    }
+
+    public ngOnInit() {
+        super.ngOnInit();
+
+        this.tryLoadTeams();
+    }
+
+    private tryLoadTeams() {
+        this.slack.getTeams().then(teams => {
+            this.teams = teams;
+            this.teamId = this.teams[0].id;
+            this.needsAuth = false;
+            this.loadingTeams = false;
+            this.loadChannels();
+
+            if (this.timerId) {
+                clearInterval(this.timerId);
+            }
+        }).catch(error => {
+            if (error.status === 404) {
+                this.needsAuth = true;
+
+                if (!this.authUrl) {
+                    this.slack.getAuthUrl().then(url => {
+                        this.authUrl = this.sanitizer.bypassSecurityTrustResourceUrl(url);
+                        this.loadingTeams = false;
+                    }).catch(error2 => {
+                        console.error(error2);
+                        this.toaster.pop("error", "Error getting Slack authorization information");
+                    });
+
+                    this.timerId = setInterval(() => {
+                        this.tryLoadTeams();
+                    }, 1000);
+                }
+            } else {
+                console.error(error);
+                this.toaster.pop("error", "Error getting teams");
+            }
+        });
+    }
+
+    public get isBridged(): boolean {
+        return !!this.bridge.config.link;
+    }
+
+    public loadChannels() {
+        this.isBusy = true;
+        this.slack.getChannels(this.teamId).then(channels => {
+            this.channels = channels;
+            this.channelId = this.channels[0].id;
+            this.isBusy = false;
+        }).catch(error => {
+            console.error(error);
+            this.toaster.pop("error", "Error getting channels for team");
+            this.isBusy = false;
+        });
+    }
+
+    public async bridgeRoom(): Promise<any> {
+        this.isBusy = true;
+
+        try {
+            await this.scalar.inviteUser(this.roomId, this.bridge.config.botUserId);
+        } catch (e) {
+            if (!e.response || !e.response.error || !e.response.error._error ||
+                e.response.error._error.message.indexOf("already in the room") === -1) {
+                this.isBusy = false;
+                this.toaster.pop("error", "Error inviting bridge");
+                return;
+            }
+        }
+
+        this.slack.bridgeRoom(this.roomId, this.teamId, this.channelId).then(link => {
+            this.bridge.config.link = link;
+            this.isBusy = false;
+            this.toaster.pop("success", "Bridge requested");
+        }).catch(error => {
+            this.isBusy = false;
+            console.error(error);
+            this.toaster.pop("error", "Error requesting bridge");
+        });
+    }
+
+    public unbridgeRoom(): void {
+        this.isBusy = true;
+        this.slack.unbridgeRoom(this.roomId).then(() => {
+            this.bridge.config.link = null;
+            this.isBusy = false;
+            this.toaster.pop("success", "Bridge removed");
+        }).catch(error => {
+            this.isBusy = false;
+            console.error(error);
+            this.toaster.pop("error", "Error removing bridge");
+        });
+    }
+}

web/app/shared/models/slack.ts

@@ -0,0 +1,24 @@
+export interface FE_SlackBridge {
+    id: number;
+    upstreamId?: number;
+    provisionUrl?: string;
+    isEnabled: boolean;
+}
+
+export interface FE_SlackLink {
+    roomId: string;
+    isWebhook: boolean;
+    channelName: string;
+    channelId: string;
+    teamId: string;
+}
+
+export interface FE_SlackTeam {
+    id: string;
+    name: string;
+}
+
+export interface FE_SlackChannel {
+    id: string;
+    name: string;
+}

web/app/shared/registry/integrations.registry.ts

@@ -27,6 +27,7 @@ export class IntegrationsRegistry {
             "telegram": {},
             "webhooks": {},
             "gitter": {},
+            "slack": {},
         },
         "widget": {
             "custom": {

web/app/shared/services/admin/admin-slack-api.service.ts

@@ -0,0 +1,36 @@
+import { Injectable } from "@angular/core";
+import { Http } from "@angular/http";
+import { AuthedApi } from "../authed-api";
+import { FE_Upstream } from "../../models/admin-responses";
+import { FE_SlackBridge } from "../../models/slack";
+
+@Injectable()
+export class AdminSlackApiService extends AuthedApi {
+    constructor(http: Http) {
+        super(http);
+    }
+
+    public getBridges(): Promise<FE_SlackBridge[]> {
+        return this.authedGet("/api/v1/dimension/admin/slack/all").map(r => r.json()).toPromise();
+    }
+
+    public getBridge(bridgeId: number): Promise<FE_SlackBridge> {
+        return this.authedGet("/api/v1/dimension/admin/slack/" + bridgeId).map(r => r.json()).toPromise();
+    }
+
+    public newFromUpstream(upstream: FE_Upstream): Promise<FE_SlackBridge> {
+        return this.authedPost("/api/v1/dimension/admin/slack/new/upstream", {upstreamId: upstream.id}).map(r => r.json()).toPromise();
+    }
+
+    public newSelfhosted(provisionUrl: string): Promise<FE_SlackBridge> {
+        return this.authedPost("/api/v1/dimension/admin/slack/new/selfhosted", {
+            provisionUrl: provisionUrl,
+        }).map(r => r.json()).toPromise();
+    }
+
+    public updateSelfhosted(bridgeId: number, provisionUrl: string): Promise<FE_SlackBridge> {
+        return this.authedPost("/api/v1/dimension/admin/slack/" + bridgeId, {
+            provisionUrl: provisionUrl,
+        }).map(r => r.json()).toPromise();
+    }
+}

web/app/shared/services/integrations/slack-api.service.ts

@@ -0,0 +1,38 @@
+import { Injectable } from "@angular/core";
+import { Http } from "@angular/http";
+import { AuthedApi } from "../authed-api";
+import { FE_SlackChannel, FE_SlackLink, FE_SlackTeam } from "../../models/slack";
+
+@Injectable()
+export class SlackApiService extends AuthedApi {
+    constructor(http: Http) {
+        super(http);
+    }
+
+    public bridgeRoom(roomId: string, teamId: string, channelId: string): Promise<FE_SlackLink> {
+        return this.authedPost("/api/v1/dimension/slack/room/" + roomId + "/link", {teamId, channelId})
+            .map(r => r.json()).toPromise();
+    }
+
+    public unbridgeRoom(roomId: string): Promise<any> {
+        return this.authedDelete("/api/v1/dimension/slack/room/" + roomId + "/link")
+            .map(r => r.json()).toPromise();
+    }
+
+    public getLink(roomId: string): Promise<FE_SlackLink> {
+        return this.authedGet("/api/v1/dimension/slack/room/" + roomId + "/link")
+            .map(r => r.json()).toPromise();
+    }
+
+    public getTeams(): Promise<FE_SlackTeam[]> {
+        return this.authedGet("/api/v1/dimension/slack/teams").map(r => r.json()).toPromise();
+    }
+
+    public getChannels(teamId: string): Promise<FE_SlackChannel[]> {
+        return this.authedGet("/api/v1/dimension/slack/teams/" + teamId + "/channels").map(r => r.json()).toPromise();
+    }
+
+    public getAuthUrl(): Promise<string> {
+        return this.authedGet("/api/v1/dimension/slack/auth").map(r => r.json()).toPromise().then(r => r["authUrl"]);
+    }
+}