obs-websocket/src/WSRequestHandler_General.cpp
2019-07-25 14:47:47 +02:00

306 lines
8.8 KiB
C++

#include "obs-websocket.h"
#include "Config.h"
#include "Utils.h"
#include "WSEvents.h"
#include "WSRequestHandler.h"
#define CASE(x) case x: return #x;
const char *describe_output_format(int format) {
switch (format) {
default:
CASE(VIDEO_FORMAT_NONE)
CASE(VIDEO_FORMAT_I420)
CASE(VIDEO_FORMAT_NV12)
CASE(VIDEO_FORMAT_YVYU)
CASE(VIDEO_FORMAT_YUY2)
CASE(VIDEO_FORMAT_UYVY)
CASE(VIDEO_FORMAT_RGBA)
CASE(VIDEO_FORMAT_BGRA)
CASE(VIDEO_FORMAT_BGRX)
CASE(VIDEO_FORMAT_Y800)
CASE(VIDEO_FORMAT_I444)
}
}
const char *describe_color_space(int cs) {
switch (cs) {
default:
CASE(VIDEO_CS_DEFAULT)
CASE(VIDEO_CS_601)
CASE(VIDEO_CS_709)
}
}
const char *describe_color_range(int range) {
switch (range) {
default:
CASE(VIDEO_RANGE_DEFAULT)
CASE(VIDEO_RANGE_PARTIAL)
CASE(VIDEO_RANGE_FULL)
}
}
const char *describe_scale_type(int scale) {
switch (scale) {
default:
CASE(VIDEO_SCALE_DEFAULT)
CASE(VIDEO_SCALE_POINT)
CASE(VIDEO_SCALE_FAST_BILINEAR)
CASE(VIDEO_SCALE_BILINEAR)
CASE(VIDEO_SCALE_BICUBIC)
}
}
#undef CASE
/**
* Returns the latest version of the plugin and the API.
*
* @return {double} `version` OBSRemote compatible API version. Fixed to 1.1 for retrocompatibility.
* @return {String} `obs-websocket-version` obs-websocket plugin version.
* @return {String} `obs-studio-version` OBS Studio program version.
* @return {String} `available-requests` List of available request types, formatted as a comma-separated list string (e.g. : "Method1,Method2,Method3").
*
* @api requests
* @name GetVersion
* @category general
* @since 0.3
*/
HandlerResponse WSRequestHandler::HandleGetVersion(WSRequestHandler* req) {
QString obsVersion = Utils::OBSVersionString();
QList<QString> names = req->messageMap.keys();
names.sort(Qt::CaseInsensitive);
// (Palakis) OBS' data arrays only support object arrays, so I improvised.
QString requests;
requests += names.takeFirst();
for (QString reqName : names) {
requests += ("," + reqName);
}
OBSDataAutoRelease data = obs_data_create();
obs_data_set_double(data, "version", 1.1);
obs_data_set_string(data, "obs-websocket-version", OBS_WEBSOCKET_VERSION);
obs_data_set_string(data, "obs-studio-version", obsVersion.toUtf8());
obs_data_set_string(data, "available-requests", requests.toUtf8());
return req->SendOKResponse(data);
}
/**
* Tells the client if authentication is required. If so, returns authentication parameters `challenge`
* and `salt` (see "Authentication" for more information).
*
* @return {boolean} `authRequired` Indicates whether authentication is required.
* @return {String (optional)} `challenge`
* @return {String (optional)} `salt`
*
* @api requests
* @name GetAuthRequired
* @category general
* @since 0.3
*/
HandlerResponse WSRequestHandler::HandleGetAuthRequired(WSRequestHandler* req) {
bool authRequired = GetConfig()->AuthRequired;
OBSDataAutoRelease data = obs_data_create();
obs_data_set_bool(data, "authRequired", authRequired);
if (authRequired) {
auto config = GetConfig();
obs_data_set_string(data, "challenge",
config->SessionChallenge.toUtf8());
obs_data_set_string(data, "salt",
config->Salt.toUtf8());
}
return req->SendOKResponse(data);
}
/**
* Attempt to authenticate the client to the server.
*
* @param {String} `auth` Response to the auth challenge (see "Authentication" for more information).
*
* @api requests
* @name Authenticate
* @category general
* @since 0.3
*/
HandlerResponse WSRequestHandler::HandleAuthenticate(WSRequestHandler* req) {
if (!req->hasField("auth")) {
return req->SendErrorResponse("missing request parameters");
}
if (req->_connProperties.isAuthenticated()) {
return req->SendErrorResponse("already authenticated");
}
QString auth = obs_data_get_string(req->data, "auth");
if (auth.isEmpty()) {
return req->SendErrorResponse("auth not specified!");
}
if (GetConfig()->CheckAuth(auth) == false) {
return req->SendErrorResponse("Authentication Failed.");
}
req->_connProperties.setAuthenticated(true);
return req->SendOKResponse();
}
/**
* Enable/disable sending of the Heartbeat event
*
* @param {boolean} `enable` Starts/Stops emitting heartbeat messages
*
* @api requests
* @name SetHeartbeat
* @category general
* @since 4.3.0
*/
HandlerResponse WSRequestHandler::HandleSetHeartbeat(WSRequestHandler* req) {
if (!req->hasField("enable")) {
return req->SendErrorResponse("Heartbeat <enable> parameter missing");
}
auto events = GetEventsSystem();
events->HeartbeatIsActive = obs_data_get_bool(req->data, "enable");
OBSDataAutoRelease response = obs_data_create();
obs_data_set_bool(response, "enable", events->HeartbeatIsActive);
return req->SendOKResponse(response);
}
/**
* Set the filename formatting string
*
* @param {String} `filename-formatting` Filename formatting string to set.
*
* @api requests
* @name SetFilenameFormatting
* @category general
* @since 4.3.0
*/
HandlerResponse WSRequestHandler::HandleSetFilenameFormatting(WSRequestHandler* req) {
if (!req->hasField("filename-formatting")) {
return req->SendErrorResponse("<filename-formatting> parameter missing");
}
QString filenameFormatting = obs_data_get_string(req->data, "filename-formatting");
if (filenameFormatting.isEmpty()) {
return req->SendErrorResponse("invalid request parameters");
}
Utils::SetFilenameFormatting(filenameFormatting.toUtf8());
return req->SendOKResponse();
}
/**
* Get the filename formatting string
*
* @return {String} `filename-formatting` Current filename formatting string.
*
* @api requests
* @name GetFilenameFormatting
* @category general
* @since 4.3.0
*/
HandlerResponse WSRequestHandler::HandleGetFilenameFormatting(WSRequestHandler* req) {
OBSDataAutoRelease response = obs_data_create();
obs_data_set_string(response, "filename-formatting", Utils::GetFilenameFormatting());
return req->SendOKResponse(response);
}
/**
* Get OBS stats (almost the same info as provided in OBS' stats window)
*
* @return {OBSStats} `stats` OBS stats
*
* @api requests
* @name GetStats
* @category general
* @since 4.6.0
*/
HandlerResponse WSRequestHandler::HandleGetStats(WSRequestHandler* req) {
OBSDataAutoRelease stats = GetEventsSystem()->GetStats();
OBSDataAutoRelease response = obs_data_create();
obs_data_set_obj(response, "stats", stats);
return req->SendOKResponse(response);
}
/**
* Broadcast custom message to all connected WebSocket clients
*
* @param {String} `realm` Identifier to be choosen by the client
* @param {Object} `data` User-defined data
*
* @api general
* @name BroadcastCustomMessage
* @category general
* @since 4.7.0
*/
HandlerResponse WSRequestHandler::HandleBroadcastCustomMessage(WSRequestHandler* req) {
if (!req->hasField("realm") || !req->hasField("data")) {
return req->SendErrorResponse("missing request parameters");
}
QString realm = obs_data_get_string(req->data, "realm");
OBSDataAutoRelease data = obs_data_get_obj(req->data, "data");
if (realm.isEmpty()) {
return req->SendErrorResponse("realm not specified!");
}
if (!data) {
return req->SendErrorResponse("data not specified!");
}
auto events = GetEventsSystem();
OBSDataAutoRelease broadcastData = obs_data_create();
obs_data_set_string(broadcastData, "realm", realm.toUtf8().constData());
obs_data_set_obj(broadcastData, "data", data);
events->broadcastUpdate("CustomMessage", broadcastData);
return req->SendOKResponse();
}
/**
* Get basic OBS video information
*
* @return {int} `baseWidth` Base (canvas) width
* @return {int} `baseHeight` Base (canvas) height
* @return {int} `outputWidth` Output width
* @return {int} `outputHeight` Output height
* @return {String} `scaleType` Scaling method used if output size differs from base size
* @return {double} `fps` Frames rendered per second
* @return {String} `videoFormat` Video color format
* @return {String} `colorSpace` Color space for YUV
* @return {String} `colorRange` Color range (full or partial)
*
* @api requests
* @name GetVideoInfo
* @category general
* @since 4.6.0
*/
HandlerResponse WSRequestHandler::HandleGetVideoInfo(WSRequestHandler* req) {
obs_video_info ovi;
obs_get_video_info(&ovi);
OBSDataAutoRelease response = obs_data_create();
obs_data_set_int(response, "baseWidth", ovi.base_width);
obs_data_set_int(response, "baseHeight", ovi.base_height);
obs_data_set_int(response, "outputWidth", ovi.output_width);
obs_data_set_int(response, "outputHeight", ovi.output_height);
obs_data_set_double(response, "fps", (double)ovi.fps_num / ovi.fps_den);
obs_data_set_string(response, "videoFormat", describe_output_format(ovi.output_format));
obs_data_set_string(response, "colorSpace", describe_color_space(ovi.colorspace));
obs_data_set_string(response, "colorRange", describe_color_range(ovi.range));
obs_data_set_string(response, "scaleType", describe_scale_type(ovi.scale_type));
return req->SendOKResponse(response);
}