2022-03-22 18:07:43 +00:00
|
|
|
package website
|
|
|
|
|
|
|
|
import (
|
|
|
|
"crypto/hmac"
|
|
|
|
"crypto/sha256"
|
|
|
|
"encoding/hex"
|
|
|
|
"encoding/json"
|
|
|
|
"fmt"
|
|
|
|
"io"
|
|
|
|
"net/http"
|
|
|
|
|
|
|
|
"git.handmade.network/hmn/hmn/src/config"
|
|
|
|
"git.handmade.network/hmn/hmn/src/db"
|
|
|
|
"git.handmade.network/hmn/hmn/src/models"
|
|
|
|
"git.handmade.network/hmn/hmn/src/oops"
|
|
|
|
"git.handmade.network/hmn/hmn/src/twitch"
|
|
|
|
)
|
|
|
|
|
|
|
|
func TwitchEventSubCallback(c *RequestContext) ResponseData {
|
|
|
|
secret := config.Config.Twitch.EventSubSecret
|
|
|
|
messageId := c.Req.Header.Get("Twitch-Eventsub-Message-Id")
|
|
|
|
timestamp := c.Req.Header.Get("Twitch-Eventsub-Message-Timestamp")
|
|
|
|
signature := c.Req.Header.Get("Twitch-Eventsub-Message-Signature")
|
|
|
|
messageType := c.Req.Header.Get("Twitch-Eventsub-Message-Type")
|
|
|
|
|
|
|
|
body, err := io.ReadAll(c.Req.Body)
|
|
|
|
if err != nil {
|
|
|
|
return c.ErrorResponse(http.StatusInternalServerError, oops.New(err, "failed to read request body"))
|
|
|
|
}
|
|
|
|
|
|
|
|
hmacMessage := fmt.Sprintf("%s%s%s", messageId, timestamp, string(body[:]))
|
|
|
|
hmac := hmac.New(sha256.New, []byte(secret))
|
|
|
|
hmac.Write([]byte(hmacMessage))
|
|
|
|
hash := hmac.Sum(nil)
|
|
|
|
hmacStr := "sha256=" + hex.EncodeToString(hash)
|
|
|
|
|
|
|
|
if hmacStr != signature {
|
|
|
|
var res ResponseData
|
|
|
|
res.StatusCode = 403
|
|
|
|
return res
|
|
|
|
}
|
|
|
|
|
2022-03-27 16:41:21 +00:00
|
|
|
c.Logger.Debug().Str("Body", string(body[:])).Str("Type", messageType).Msg("Got twitch webhook")
|
|
|
|
|
2022-03-22 18:07:43 +00:00
|
|
|
if messageType == "webhook_callback_verification" {
|
|
|
|
type challengeReq struct {
|
|
|
|
Challenge string `json:"challenge"`
|
|
|
|
}
|
|
|
|
var data challengeReq
|
|
|
|
err = json.Unmarshal(body, &data)
|
|
|
|
if err != nil {
|
|
|
|
return c.ErrorResponse(http.StatusInternalServerError, oops.New(err, "failed to unmarshal twitch verification"))
|
|
|
|
}
|
|
|
|
var res ResponseData
|
|
|
|
res.StatusCode = 200
|
|
|
|
|
|
|
|
res.Header().Set("Content-Type", "text/plain") // NOTE(asaf): No idea why, but the twitch-cli fails when we don't set this.
|
|
|
|
res.Write([]byte(data.Challenge))
|
|
|
|
return res
|
|
|
|
} else {
|
|
|
|
err := twitch.QueueTwitchNotification(messageType, body)
|
|
|
|
if err != nil {
|
|
|
|
c.Logger.Error().Err(err).Msg("Failed to process twitch callback")
|
|
|
|
// NOTE(asaf): Returning 200 either way here
|
|
|
|
}
|
|
|
|
var res ResponseData
|
|
|
|
res.StatusCode = 200
|
|
|
|
return res
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
func TwitchDebugPage(c *RequestContext) ResponseData {
|
|
|
|
streams, err := db.Query(c.Context(), c.Conn, models.TwitchStream{},
|
|
|
|
`
|
|
|
|
SELECT $columns
|
|
|
|
FROM
|
|
|
|
twitch_streams
|
|
|
|
ORDER BY started_at DESC
|
|
|
|
`,
|
|
|
|
)
|
|
|
|
if err != nil {
|
|
|
|
return c.ErrorResponse(http.StatusInternalServerError, oops.New(err, "failed to fetch twitch streams"))
|
|
|
|
}
|
|
|
|
|
|
|
|
html := ""
|
|
|
|
for _, stream := range streams {
|
|
|
|
s := stream.(*models.TwitchStream)
|
|
|
|
html += fmt.Sprintf(`<a href="https://twitch.tv/%s">%s</a>%s<br />`, s.Login, s.Login, s.Title)
|
|
|
|
}
|
|
|
|
var res ResponseData
|
|
|
|
res.StatusCode = 200
|
|
|
|
res.Write([]byte(html))
|
|
|
|
return res
|
|
|
|
}
|