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Add support for client basic auth for exchanging access tokens (#6293)

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* Add support for client basic auth for exchanging access tokens

* Improve error messages

* Fix tests
This commit is contained in:
Jonas Franz 2019-03-11 03:54:59 +01:00 committed by Lunny Xiao
parent e0eb6514d2
commit 2315019fef
2 changed files with 68 additions and 1 deletions
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41
integrations/oauth_test.go
View file

@ -136,3 +136,44 @@ func TestAccessTokenExchangeWithInvalidCredentials(t *testing.T) {
})
MakeRequest(t, req, 400)
}
func TestAccessTokenExchangeWithBasicAuth(t *testing.T) {
prepareTestEnv(t)
req := NewRequestWithValues(t, "POST", "/login/oauth/access_token", map[string]string{
"grant_type": "authorization_code",
"redirect_uri": "a",
"code": "authcode",
"code_verifier": "N1Zo9-8Rfwhkt68r1r29ty8YwIraXR8eh_1Qwxg7yQXsonBt", // test PKCE additionally
})
req.Header.Add("Authorization", "Basic ZGE3ZGEzYmEtOWExMy00MTY3LTg1NmYtMzg5OWRlMGIwMTM4OjRNSzhOYTZSNTVzbWRDWTBXdUNDdW1aNmhqUlBuR1k1c2FXVlJISGpKaUE9")
resp := MakeRequest(t, req, 200)
type response struct {
AccessToken string `json:"access_token"`
TokenType string `json:"token_type"`
ExpiresIn int64 `json:"expires_in"`
RefreshToken string `json:"refresh_token"`
}
parsed := new(response)
assert.NoError(t, json.Unmarshal(resp.Body.Bytes(), parsed))
assert.True(t, len(parsed.AccessToken) > 10)
assert.True(t, len(parsed.RefreshToken) > 10)
// use wrong client_secret
req = NewRequestWithValues(t, "POST", "/login/oauth/access_token", map[string]string{
"grant_type": "authorization_code",
"redirect_uri": "a",
"code": "authcode",
"code_verifier": "N1Zo9-8Rfwhkt68r1r29ty8YwIraXR8eh_1Qwxg7yQXsonBt", // test PKCE additionally
})
req.Header.Add("Authorization", "Basic ZGE3ZGEzYmEtOWExMy00MTY3LTg1NmYtMzg5OWRlMGIwMTM4OmJsYWJsYQ==")
resp = MakeRequest(t, req, 400)
// missing header
req = NewRequestWithValues(t, "POST", "/login/oauth/access_token", map[string]string{
"grant_type": "authorization_code",
"redirect_uri": "a",
"code": "authcode",
"code_verifier": "N1Zo9-8Rfwhkt68r1r29ty8YwIraXR8eh_1Qwxg7yQXsonBt", // test PKCE additionally
})
resp = MakeRequest(t, req, 400)
}

28
routers/user/oauth.go
View file

@ -5,8 +5,10 @@
package user
import (
"encoding/base64"
"fmt"
"net/url"
"strings"
"github.com/dgrijalva/jwt-go"
"github.com/go-macaron/binding"
@ -305,6 +307,30 @@ func GrantApplicationOAuth(ctx *context.Context, form auth.GrantApplicationForm)
// AccessTokenOAuth manages all access token requests by the client
func AccessTokenOAuth(ctx *context.Context, form auth.AccessTokenForm) {
if form.ClientID == "" {
authHeader := ctx.Req.Header.Get("Authorization")
authContent := strings.SplitN(authHeader, " ", 2)
if len(authContent) == 2 && authContent[0] == "Basic" {
payload, err := base64.StdEncoding.DecodeString(authContent[1])
if err != nil {
handleAccessTokenError(ctx, AccessTokenError{
ErrorCode: AccessTokenErrorCodeInvalidRequest,
ErrorDescription: "cannot parse basic auth header",
})
return
}
pair := strings.SplitN(string(payload), ":", 2)
if len(pair) != 2 {
handleAccessTokenError(ctx, AccessTokenError{
ErrorCode: AccessTokenErrorCodeInvalidRequest,
ErrorDescription: "cannot parse basic auth header",
})
return
}
form.ClientID = pair[0]
form.ClientSecret = pair[1]
}
}
switch form.GrantType {
case "refresh_token":
handleRefreshToken(ctx, form)
@ -361,7 +387,7 @@ func handleAuthorizationCode(ctx *context.Context, form auth.AccessTokenForm) {
if err != nil {
handleAccessTokenError(ctx, AccessTokenError{
ErrorCode: AccessTokenErrorCodeInvalidClient,
ErrorDescription: "cannot load client",
ErrorDescription: fmt.Sprintf("cannot load client with client id: '%s'", form.ClientID),
})
return
}