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provider.go
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provider.go
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package mixeroauth
import (
"io"
"net/http"
"time"
)
const (
clientIDHeader = "Client-ID"
clientSecretHeader = "Client-Secret"
authHeader = "Authorization"
tokenPrefix = "Bearer "
grantTypeRefresh = "refresh_token"
grantTypeCode = "authorization_code"
)
// Provider holds the refresh and access tokens used for Mixer's OAUTH2 gateway
type Provider struct {
token Token
config Config
}
// NewProvider returns a pointer to a new provider of Mixer's OAUTH2 gateway
func NewProvider(config Config) Provider {
return Provider{
config: config,
}
}
// Authenticated determines if the provider is currently authenticed with Mixer's OAUTH2 gateway
func (p *Provider) Authenticated() bool {
return p.token.AccessToken != "" && p.token.ExpiresOn.Unix() > time.Now().Unix()
}
// func (p *Provider) Authenticate(client *http.Client) error {
// req := http.NewRequest(http.MethodPost, p.config.AuthURL)
// }
// func (p *Provider) Refresh() error {
// if p.token.RefreshToken == "" {
// return errors.New("no refresh token available")
// }
// }
// SetHeaders sets the authorization headers on the given http request
func (p *Provider) SetHeaders(req *http.Request) {
if p.config.ClientID != "" {
req.Header.Add(clientIDHeader, p.config.ClientID)
}
if p.config.ClientSecret != "" {
req.Header.Add(clientSecretHeader, p.config.ClientSecret)
}
if p.Authenticated() {
req.Header.Add(authHeader, tokenPrefix+p.token.AccessToken)
}
}
// SetScopes indicates what permissions the auth token will grant the user
func (p *Provider) SetScopes(scopes ScopeCollection) {
p.config.Scopes = scopes
}
func (p *Provider) request(method string, url string, body io.Reader) (*http.Request, error) {
req, err := http.NewRequest(method, url, body)
if err != nil {
return nil, err
}
p.SetHeaders(req)
return req, nil
}
// func (p *Provider) refreshRequest() (*http.Request, error) {
// req, err := p.request(http.MethodPost)
// }