external_api: add start/stop recording commands

modules/API/API.js

     sendAnalytics
 } from '../../react/features/analytics';
 import {
+    getCurrentConference,
     sendTones,
     setPassword,
     setSubject
 } from '../../react/features/base/conference';
 import { parseJWTFromURLParams } from '../../react/features/base/jwt';
+import { JitsiRecordingConstants } from '../../react/features/base/lib-jitsi-meet';
 import {
     processExternalDeviceRequest
 } from '../../react/features/device-selection/functions';
+import { isEnabled as isDropboxEnabled } from '../../react/features/dropbox';
 import { setE2EEKey } from '../../react/features/e2ee';
 import { invite } from '../../react/features/invite';
+import { RECORDING_TYPES } from '../../react/features/recording/constants';
+import { getActiveSession } from '../../react/features/recording/functions';
 import { muteAllParticipants } from '../../react/features/remote-video-menu/actions';
 import { toggleTileView } from '../../react/features/video-layout';
 import { setVideoQuality } from '../../react/features/video-quality';
             logger.debug('Set video quality command received');
             sendAnalytics(createApiEvent('set.video.quality'));
             APP.store.dispatch(setVideoQuality(frameHeight));
+        },
+
+        /**
+         * Starts a file recording or streaming depending on the passed on params.
+         * For youtube streams, `youtubeStreamKey` must be passed on. `youtubeBroadcastID` is optional.
+         * For dropbox recording, recording `mode` should be `file` and a dropbox oauth2 token must be provided.
+         * For file recording, recording `mode` should be `file` and optionally `shouldShare` could be passed on.
+         * No other params should be passed.
+         *
+         * @param { string } arg.mode - Recording mode, either `file` or `stream`.
+         * @param { string } arg.dropboxToken - Dropbox oauth2 token.
+         * @param { boolean } arg.shouldShare - Whether the recording should be shared with the participants or not.
+         * Only applies to certain jitsi meet deploys.
+         * @param { string } arg.youtubeStreamKey - The youtube stream key.
+         * @param { string } arg.youtubeBroadcastID - The youtube broacast ID.
+         * @returns {void}
+         */
+        'start-recording': ({ mode, dropboxToken, shouldShare, youtubeStreamKey, youtubeBroadcastID }) => {
+            const state = APP.store.getState();
+            const conference = getCurrentConference(state);
+
+            if (!conference) {
+                logger.error('Conference is not defined');
+
+                return;
+            }
+
+            if (dropboxToken && !isDropboxEnabled(state)) {
+                logger.error('Failed starting recording: dropbox is not enabled on this deployment');
+
+                return;
+            }
+
+            if (mode === JitsiRecordingConstants.mode.STREAM && !youtubeStreamKey) {
+                logger.error('Failed starting recording: missing youtube stream key');
+
+                return;
+            }
+
+            let recordingConfig;
+
+            if (mode === JitsiRecordingConstants.mode.FILE) {
+                if (dropboxToken) {
+                    recordingConfig = {
+                        mode: JitsiRecordingConstants.mode.FILE,
+                        appData: JSON.stringify({
+                            'file_recording_metadata': {
+                                'upload_credentials': {
+                                    'service_name': RECORDING_TYPES.DROPBOX,
+                                    'token': dropboxToken
+                                }
+                            }
+                        })
+                    };
+                } else {
+                    recordingConfig = {
+                        mode: JitsiRecordingConstants.mode.FILE,
+                        appData: JSON.stringify({
+                            'file_recording_metadata': {
+                                'share': shouldShare
+                            }
+                        })
+                    };
+                }
+            } else if (mode === JitsiRecordingConstants.mode.STREAM) {
+                recordingConfig = {
+                    broadcastId: youtubeBroadcastID,
+                    mode: JitsiRecordingConstants.mode.STREAM,
+                    streamId: youtubeStreamKey
+                };
+            } else {
+                logger.error('Invalid recording mode provided');
+
+                return;
+            }
+
+            conference.startRecording(recordingConfig);
+        },
+
+        /**
+         * Stops a recording or streaming in progress.
+         *
+         * @param {string} mode - `file` or `stream`.
+         * @returns {void}
+         */
+        'stop-recording': mode => {
+            const state = APP.store.getState();
+            const conference = getCurrentConference(state);
+
+            if (!conference) {
+                logger.error('Conference is not defined');
+
+                return;
+            }
+
+            if (![ JitsiRecordingConstants.mode.FILE, JitsiRecordingConstants.mode.STREAM ].includes(mode)) {
+                logger.error('Invalid recording mode provided!');
+
+                return;
+            }
+
+            const activeSession = getActiveSession(state, mode);
+
+            if (activeSession && activeSession.id) {
+                conference.stopRecording(activeSession.id);
+            } else {
+                logger.error('No recording or streaming session found');
+            }
         }
     };
     transport.on('event', ({ data, name }) => {
     notifyDeviceListChanged(devices: Object) {
         this._sendEvent({
             name: 'device-list-changed',
-            devices });
+            devices
+        });
     }
 
     /**

modules/API/external/external_api.js

     sendEndpointTextMessage: 'send-endpoint-text-message',
     sendTones: 'send-tones',
     setVideoQuality: 'set-video-quality',
+    startRecording: 'start-recording',
+    stopRecording: 'stop-recording',
     subject: 'subject',
     submitFeedback: 'submit-feedback',
     toggleAudio: 'toggle-audio',