mirror of
https://github.com/42wim/matterbridge.git
synced 2024-12-05 02:39:28 +01:00
179 lines
5.0 KiB
Go
179 lines
5.0 KiB
Go
|
// Copyright 2014 The Go Authors. All rights reserved.
|
||
|
// Use of this source code is governed by a BSD-style
|
||
|
// license that can be found in the LICENSE file.
|
||
|
|
||
|
package oauth2
|
||
|
|
||
|
import (
|
||
|
"context"
|
||
|
"fmt"
|
||
|
"net/http"
|
||
|
"net/url"
|
||
|
"strconv"
|
||
|
"strings"
|
||
|
"time"
|
||
|
|
||
|
"golang.org/x/oauth2/internal"
|
||
|
)
|
||
|
|
||
|
// expiryDelta determines how earlier a token should be considered
|
||
|
// expired than its actual expiration time. It is used to avoid late
|
||
|
// expirations due to client-server time mismatches.
|
||
|
const expiryDelta = 10 * time.Second
|
||
|
|
||
|
// Token represents the credentials used to authorize
|
||
|
// the requests to access protected resources on the OAuth 2.0
|
||
|
// provider's backend.
|
||
|
//
|
||
|
// Most users of this package should not access fields of Token
|
||
|
// directly. They're exported mostly for use by related packages
|
||
|
// implementing derivative OAuth2 flows.
|
||
|
type Token struct {
|
||
|
// AccessToken is the token that authorizes and authenticates
|
||
|
// the requests.
|
||
|
AccessToken string `json:"access_token"`
|
||
|
|
||
|
// TokenType is the type of token.
|
||
|
// The Type method returns either this or "Bearer", the default.
|
||
|
TokenType string `json:"token_type,omitempty"`
|
||
|
|
||
|
// RefreshToken is a token that's used by the application
|
||
|
// (as opposed to the user) to refresh the access token
|
||
|
// if it expires.
|
||
|
RefreshToken string `json:"refresh_token,omitempty"`
|
||
|
|
||
|
// Expiry is the optional expiration time of the access token.
|
||
|
//
|
||
|
// If zero, TokenSource implementations will reuse the same
|
||
|
// token forever and RefreshToken or equivalent
|
||
|
// mechanisms for that TokenSource will not be used.
|
||
|
Expiry time.Time `json:"expiry,omitempty"`
|
||
|
|
||
|
// raw optionally contains extra metadata from the server
|
||
|
// when updating a token.
|
||
|
raw interface{}
|
||
|
}
|
||
|
|
||
|
// Type returns t.TokenType if non-empty, else "Bearer".
|
||
|
func (t *Token) Type() string {
|
||
|
if strings.EqualFold(t.TokenType, "bearer") {
|
||
|
return "Bearer"
|
||
|
}
|
||
|
if strings.EqualFold(t.TokenType, "mac") {
|
||
|
return "MAC"
|
||
|
}
|
||
|
if strings.EqualFold(t.TokenType, "basic") {
|
||
|
return "Basic"
|
||
|
}
|
||
|
if t.TokenType != "" {
|
||
|
return t.TokenType
|
||
|
}
|
||
|
return "Bearer"
|
||
|
}
|
||
|
|
||
|
// SetAuthHeader sets the Authorization header to r using the access
|
||
|
// token in t.
|
||
|
//
|
||
|
// This method is unnecessary when using Transport or an HTTP Client
|
||
|
// returned by this package.
|
||
|
func (t *Token) SetAuthHeader(r *http.Request) {
|
||
|
r.Header.Set("Authorization", t.Type()+" "+t.AccessToken)
|
||
|
}
|
||
|
|
||
|
// WithExtra returns a new Token that's a clone of t, but using the
|
||
|
// provided raw extra map. This is only intended for use by packages
|
||
|
// implementing derivative OAuth2 flows.
|
||
|
func (t *Token) WithExtra(extra interface{}) *Token {
|
||
|
t2 := new(Token)
|
||
|
*t2 = *t
|
||
|
t2.raw = extra
|
||
|
return t2
|
||
|
}
|
||
|
|
||
|
// Extra returns an extra field.
|
||
|
// Extra fields are key-value pairs returned by the server as a
|
||
|
// part of the token retrieval response.
|
||
|
func (t *Token) Extra(key string) interface{} {
|
||
|
if raw, ok := t.raw.(map[string]interface{}); ok {
|
||
|
return raw[key]
|
||
|
}
|
||
|
|
||
|
vals, ok := t.raw.(url.Values)
|
||
|
if !ok {
|
||
|
return nil
|
||
|
}
|
||
|
|
||
|
v := vals.Get(key)
|
||
|
switch s := strings.TrimSpace(v); strings.Count(s, ".") {
|
||
|
case 0: // Contains no "."; try to parse as int
|
||
|
if i, err := strconv.ParseInt(s, 10, 64); err == nil {
|
||
|
return i
|
||
|
}
|
||
|
case 1: // Contains a single "."; try to parse as float
|
||
|
if f, err := strconv.ParseFloat(s, 64); err == nil {
|
||
|
return f
|
||
|
}
|
||
|
}
|
||
|
|
||
|
return v
|
||
|
}
|
||
|
|
||
|
// timeNow is time.Now but pulled out as a variable for tests.
|
||
|
var timeNow = time.Now
|
||
|
|
||
|
// expired reports whether the token is expired.
|
||
|
// t must be non-nil.
|
||
|
func (t *Token) expired() bool {
|
||
|
if t.Expiry.IsZero() {
|
||
|
return false
|
||
|
}
|
||
|
return t.Expiry.Round(0).Add(-expiryDelta).Before(timeNow())
|
||
|
}
|
||
|
|
||
|
// Valid reports whether t is non-nil, has an AccessToken, and is not expired.
|
||
|
func (t *Token) Valid() bool {
|
||
|
return t != nil && t.AccessToken != "" && !t.expired()
|
||
|
}
|
||
|
|
||
|
// tokenFromInternal maps an *internal.Token struct into
|
||
|
// a *Token struct.
|
||
|
func tokenFromInternal(t *internal.Token) *Token {
|
||
|
if t == nil {
|
||
|
return nil
|
||
|
}
|
||
|
return &Token{
|
||
|
AccessToken: t.AccessToken,
|
||
|
TokenType: t.TokenType,
|
||
|
RefreshToken: t.RefreshToken,
|
||
|
Expiry: t.Expiry,
|
||
|
raw: t.Raw,
|
||
|
}
|
||
|
}
|
||
|
|
||
|
// retrieveToken takes a *Config and uses that to retrieve an *internal.Token.
|
||
|
// This token is then mapped from *internal.Token into an *oauth2.Token which is returned along
|
||
|
// with an error..
|
||
|
func retrieveToken(ctx context.Context, c *Config, v url.Values) (*Token, error) {
|
||
|
tk, err := internal.RetrieveToken(ctx, c.ClientID, c.ClientSecret, c.Endpoint.TokenURL, v, internal.AuthStyle(c.Endpoint.AuthStyle))
|
||
|
if err != nil {
|
||
|
if rErr, ok := err.(*internal.RetrieveError); ok {
|
||
|
return nil, (*RetrieveError)(rErr)
|
||
|
}
|
||
|
return nil, err
|
||
|
}
|
||
|
return tokenFromInternal(tk), nil
|
||
|
}
|
||
|
|
||
|
// RetrieveError is the error returned when the token endpoint returns a
|
||
|
// non-2XX HTTP status code.
|
||
|
type RetrieveError struct {
|
||
|
Response *http.Response
|
||
|
// Body is the body that was consumed by reading Response.Body.
|
||
|
// It may be truncated.
|
||
|
Body []byte
|
||
|
}
|
||
|
|
||
|
func (r *RetrieveError) Error() string {
|
||
|
return fmt.Sprintf("oauth2: cannot fetch token: %v\nResponse: %s", r.Response.Status, r.Body)
|
||
|
}
|