Golang AccessRequester.SetSession方法代碼示例

// HandleTokenEndpointRequest implements
// * https://tools.ietf.org/html/rfc6749#section-4.1.3 (everything)
func (c *AuthorizeExplicitGrantHandler) HandleTokenEndpointRequest(ctx context.Context, r *http.Request, request fosite.AccessRequester) error {
	// grant_type REQUIRED.
	// Value MUST be set to "authorization_code".
	if !request.GetGrantTypes().Exact("authorization_code") {
		return errors.Wrap(fosite.ErrUnknownRequest, "")
	}

	if !request.GetClient().GetGrantTypes().Has("authorization_code") {
		return errors.Wrap(fosite.ErrInvalidGrant, "The client is not allowed to use grant type authorization_code")
	}

	code := r.PostForm.Get("code")
	signature := c.AuthorizeCodeStrategy.AuthorizeCodeSignature(code)
	authorizeRequest, err := c.AuthorizeCodeGrantStorage.GetAuthorizeCodeSession(ctx, signature, request.GetSession())
	if errors.Cause(err) == fosite.ErrNotFound {
		return errors.Wrap(fosite.ErrInvalidRequest, err.Error())
	} else if err != nil {
		return errors.Wrap(fosite.ErrServerError, err.Error())
	}

	// The authorization server MUST verify that the authorization code is valid
	if err := c.AuthorizeCodeStrategy.ValidateAuthorizeCode(ctx, request, code); err != nil {
		return errors.Wrap(fosite.ErrInvalidRequest, err.Error())
	}

	// Override scopes
	request.SetRequestedScopes(authorizeRequest.GetRequestedScopes())

	// The authorization server MUST ensure that the authorization code was issued to the authenticated
	// confidential client, or if the client is public, ensure that the
	// code was issued to "client_id" in the request,
	if authorizeRequest.GetClient().GetID() != request.GetClient().GetID() {
		return errors.Wrap(fosite.ErrInvalidRequest, "Client ID mismatch")
	}

	// ensure that the "redirect_uri" parameter is present if the
	// "redirect_uri" parameter was included in the initial authorization
	// request as described in Section 4.1.1, and if included ensure that
	// their values are identical.
	forcedRedirectURI := authorizeRequest.GetRequestForm().Get("redirect_uri")
	if forcedRedirectURI != "" && forcedRedirectURI != r.PostForm.Get("redirect_uri") {
		return errors.Wrap(fosite.ErrInvalidRequest, "Redirect URI mismatch")
	}

	// Checking of POST client_id skipped, because:
	// If the client type is confidential or the client was issued client
	// credentials (or assigned other authentication requirements), the
	// client MUST authenticate with the authorization server as described
	// in Section 3.2.1.
	request.SetSession(authorizeRequest.GetSession())
	request.GetSession().SetExpiresAt(fosite.AccessToken, time.Now().Add(c.AccessTokenLifespan))
	return nil
}

// HandleTokenEndpointRequest implements https://tools.ietf.org/html/rfc6749#section-6
func (c *RefreshTokenGrantHandler) HandleTokenEndpointRequest(ctx context.Context, req *http.Request, request fosite.AccessRequester) error {
	// grant_type REQUIRED.
	// Value MUST be set to "refresh_token".
	if !request.GetGrantTypes().Exact("refresh_token") {
		return errors.Wrap(fosite.ErrUnknownRequest, "")
	}

	if !request.GetClient().GetGrantTypes().Has("refresh_token") {
		return errors.Wrap(fosite.ErrInvalidGrant, "The client is not allowed to use grant type refresh_token")
	}

	refresh := req.PostForm.Get("refresh_token")
	signature := c.RefreshTokenStrategy.RefreshTokenSignature(refresh)
	originalRequest, err := c.RefreshTokenGrantStorage.GetRefreshTokenSession(ctx, signature, request.GetSession())
	if errors.Cause(err) == fosite.ErrNotFound {
		return errors.Wrap(fosite.ErrInvalidRequest, err.Error())
	} else if err != nil {
		return errors.Wrap(fosite.ErrServerError, err.Error())
	}

	if !originalRequest.GetGrantedScopes().Has("offline") {
		return errors.Wrap(fosite.ErrScopeNotGranted, "The client is not allowed to use grant type refresh_token")

	}

	// The authorization server MUST ... validate the refresh token.
	if err := c.RefreshTokenStrategy.ValidateRefreshToken(ctx, request, refresh); err != nil {
		return errors.Wrap(fosite.ErrInvalidRequest, err.Error())
	}

	// The authorization server MUST ... and ensure that the refresh token was issued to the authenticated client
	if originalRequest.GetClient().GetID() != request.GetClient().GetID() {
		return errors.Wrap(fosite.ErrInvalidRequest, "Client ID mismatch")
	}

	request.SetSession(originalRequest.GetSession())
	request.SetRequestedScopes(originalRequest.GetRequestedScopes())
	for _, scope := range originalRequest.GetGrantedScopes() {
		request.GrantScope(scope)
	}

	request.GetSession().SetExpiresAt(fosite.AccessToken, time.Now().Add(c.AccessTokenLifespan))
	return nil
}