mirror of
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106 lines
3.7 KiB
Go
106 lines
3.7 KiB
Go
package slack
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import (
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"context"
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"encoding/json"
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"fmt"
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"net/url"
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"time"
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)
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// StartRTM calls the "rtm.start" endpoint and returns the provided URL and the full Info block.
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//
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// To have a fully managed Websocket connection, use `NewRTM`, and call `ManageConnection()` on it.
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func (api *Client) StartRTM() (info *Info, websocketURL string, err error) {
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return api.StartRTMContext(context.Background())
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}
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// StartRTMContext calls the "rtm.start" endpoint and returns the provided URL and the full Info block with a custom context.
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//
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// To have a fully managed Websocket connection, use `NewRTM`, and call `ManageConnection()` on it.
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func (api *Client) StartRTMContext(ctx context.Context) (info *Info, websocketURL string, err error) {
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response := &infoResponseFull{}
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err = post(ctx, "rtm.start", url.Values{"token": {api.config.token}}, response, api.debug)
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if err != nil {
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return nil, "", fmt.Errorf("post: %s", err)
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}
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if !response.Ok {
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return nil, "", response.Error
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}
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// websocket.Dial does not accept url without the port (yet)
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// Fixed by: https://github.com/golang/net/commit/5058c78c3627b31e484a81463acd51c7cecc06f3
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// but slack returns the address with no port, so we have to fix it
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api.Debugln("Using URL:", response.Info.URL)
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websocketURL, err = websocketizeURLPort(response.Info.URL)
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if err != nil {
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return nil, "", fmt.Errorf("parsing response URL: %s", err)
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}
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return &response.Info, websocketURL, nil
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}
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// ConnectRTM calls the "rtm.connect" endpoint and returns the provided URL and the compact Info block.
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//
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// To have a fully managed Websocket connection, use `NewRTM`, and call `ManageConnection()` on it.
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func (api *Client) ConnectRTM() (info *Info, websocketURL string, err error) {
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return api.ConnectRTMContext(context.Background())
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}
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// ConnectRTM calls the "rtm.connect" endpoint and returns the provided URL and the compact Info block with a custom context.
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//
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// To have a fully managed Websocket connection, use `NewRTM`, and call `ManageConnection()` on it.
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func (api *Client) ConnectRTMContext(ctx context.Context) (info *Info, websocketURL string, err error) {
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response := &infoResponseFull{}
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err = post(ctx, "rtm.connect", url.Values{"token": {api.config.token}}, response, api.debug)
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if err != nil {
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return nil, "", fmt.Errorf("post: %s", err)
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}
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if !response.Ok {
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return nil, "", response.Error
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}
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// websocket.Dial does not accept url without the port (yet)
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// Fixed by: https://github.com/golang/net/commit/5058c78c3627b31e484a81463acd51c7cecc06f3
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// but slack returns the address with no port, so we have to fix it
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api.Debugln("Using URL:", response.Info.URL)
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websocketURL, err = websocketizeURLPort(response.Info.URL)
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if err != nil {
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return nil, "", fmt.Errorf("parsing response URL: %s", err)
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}
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return &response.Info, websocketURL, nil
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}
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// NewRTM returns a RTM, which provides a fully managed connection to
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// Slack's websocket-based Real-Time Messaging protocol.
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func (api *Client) NewRTM() *RTM {
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return api.NewRTMWithOptions(nil)
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}
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// NewRTMWithOptions returns a RTM, which provides a fully managed connection to
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// Slack's websocket-based Real-Time Messaging protocol.
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// This also allows to configure various options available for RTM API.
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func (api *Client) NewRTMWithOptions(options *RTMOptions) *RTM {
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result := &RTM{
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Client: *api,
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IncomingEvents: make(chan RTMEvent, 50),
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outgoingMessages: make(chan OutgoingMessage, 20),
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pings: make(map[int]time.Time),
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isConnected: false,
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wasIntentional: true,
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killChannel: make(chan bool),
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forcePing: make(chan bool),
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rawEvents: make(chan json.RawMessage),
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idGen: NewSafeID(1),
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}
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if options != nil {
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result.useRTMStart = options.UseRTMStart
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} else {
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result.useRTMStart = true
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}
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return result
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}
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