gotosocial/internal/api/client/streaming/streaming.go

/*
   GoToSocial
   Copyright (C) 2021-2022 GoToSocial Authors admin@gotosocial.org

   This program is free software: you can redistribute it and/or modify
   it under the terms of the GNU Affero General Public License as published by
   the Free Software Foundation, either version 3 of the License, or
   (at your option) any later version.

   This program is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU Affero General Public License for more details.

   You should have received a copy of the GNU Affero General Public License
   along with this program.  If not, see <http://www.gnu.org/licenses/>.
*/

package streaming

import (
	"net/http"
	"time"

	"github.com/superseriousbusiness/gotosocial/internal/api"
	"github.com/superseriousbusiness/gotosocial/internal/processing"
	"github.com/superseriousbusiness/gotosocial/internal/router"
)

const (
	// BasePath is the path for the streaming api
	BasePath = "/api/v1/streaming"

	// StreamQueryKey is the query key for the type of stream being requested
	StreamQueryKey = "stream"

	// AccessTokenQueryKey is the query key for an oauth access token that should be passed in streaming requests.
	AccessTokenQueryKey = "access_token"
	// AccessTokenHeader is the header for an oauth access token that can be passed in streaming requests instead of AccessTokenQueryKey
	//nolint:gosec
	AccessTokenHeader = "Sec-Websocket-Protocol"
)

// Module implements the api.ClientModule interface for everything related to streaming
type Module struct {
	processor    processing.Processor
	tickDuration time.Duration
}

// New returns a new streaming module
func New(processor processing.Processor) api.ClientModule {
	return &Module{
		processor:    processor,
		tickDuration: 30 * time.Second,
	}
}

func NewWithTickDuration(processor processing.Processor, tickDuration time.Duration) api.ClientModule {
	return &Module{
		processor:    processor,
		tickDuration: tickDuration,
	}
}

// Route attaches all routes from this module to the given router
func (m *Module) Route(r router.Router) error {
	r.AttachHandler(http.MethodGet, BasePath, m.StreamGETHandler)
	return nil
}