62 lines
1.5 KiB
Go
62 lines
1.5 KiB
Go
package igdb
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import (
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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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type TwitchToken struct {
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clientID string
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clientSecret string
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token string
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expires time.Time
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}
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func NewTwitchToken(clientID, clientSecret string) *TwitchToken {
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return &TwitchToken{
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clientID: clientID,
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clientSecret: clientSecret,
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}
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}
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func (t *TwitchToken) getToken() (string, error) {
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if t.token != "" && time.Now().Before(t.expires) {
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return t.token, nil
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}
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token, expires, err := t.loginTwitch()
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if err != nil {
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return "", fmt.Errorf("failed to login twitch: %w", err)
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}
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t.token = token
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t.expires = time.Now().Add(expires)
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return token, nil
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}
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func (t *TwitchToken) loginTwitch() (string, time.Duration, error) {
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baseURL, _ := url.Parse("https://id.twitch.tv/oauth2/token")
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params := url.Values{}
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params.Add("client_id", t.clientID)
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params.Add("client_secret", t.clientSecret)
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params.Add("grant_type", "client_credentials")
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baseURL.RawQuery = params.Encode()
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resp, err := request().SetHeader("User-Agent", "").Post(baseURL.String())
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if err != nil {
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return "", 0, fmt.Errorf("failed to make request: %s: %w", baseURL.String(), err)
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}
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data := struct {
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AccessToken string `json:"access_token"`
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ExpiresIn int64 `json:"expires_in"`
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TokenType string `json:"token_type"`
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}{}
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err = json.Unmarshal(resp.Body(), &data)
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if err != nil {
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return "", 0, fmt.Errorf("failed to parse response: %w", err)
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}
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return data.AccessToken, time.Second * time.Duration(data.ExpiresIn), nil
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}
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