348 lines
11 KiB
Go
348 lines
11 KiB
Go
// Copyright 2019 Sorint.lab
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package command
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import (
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"context"
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"encoding/json"
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csapi "github.com/sorintlab/agola/internal/services/configstore/api"
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"github.com/sorintlab/agola/internal/services/gateway/common"
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"github.com/sorintlab/agola/internal/services/types"
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"github.com/sorintlab/agola/internal/util"
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jwt "github.com/dgrijalva/jwt-go"
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"github.com/pkg/errors"
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)
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type CreateUserLARequest struct {
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UserName string
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RemoteSourceName string
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RemoteSourceUserAccessToken string
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RemoteSourceOauth2AccessToken string
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RemoteSourceOauth2RefreshToken string
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}
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func (c *CommandHandler) CreateUserLA(ctx context.Context, req *CreateUserLARequest) (*types.LinkedAccount, error) {
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userName := req.UserName
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user, _, err := c.configstoreClient.GetUserByName(ctx, userName)
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if err != nil {
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return nil, errors.Wrapf(err, "failed to get user %q", userName)
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}
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rs, _, err := c.configstoreClient.GetRemoteSourceByName(ctx, req.RemoteSourceName)
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if err != nil {
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return nil, errors.Wrapf(err, "failed to get remote source %q", req.RemoteSourceName)
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}
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c.log.Infof("rs: %s", util.Dump(rs))
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var la *types.LinkedAccount
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for _, v := range user.LinkedAccounts {
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if v.RemoteSourceID == rs.ID {
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la = v
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break
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}
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}
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c.log.Infof("la: %s", util.Dump(la))
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if la != nil {
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return nil, errors.Errorf("user %q already have a linked account for remote source %q", userName, rs.Name)
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}
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accessToken, err := common.GetAccessToken(rs.AuthType, req.RemoteSourceUserAccessToken, req.RemoteSourceOauth2AccessToken)
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if err != nil {
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return nil, err
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}
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userSource, err := common.GetUserSource(rs, accessToken)
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if err != nil {
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return nil, err
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}
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remoteUserInfo, err := userSource.GetUserInfo()
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if err != nil {
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return nil, errors.Wrapf(err, "failed to retrieve remote user info for remote source %q", rs.ID)
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}
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if remoteUserInfo.ID == "" {
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return nil, errors.Errorf("empty remote user id for remote source %q", rs.ID)
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}
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creq := &csapi.CreateUserLARequest{
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RemoteSourceName: req.RemoteSourceName,
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RemoteUserID: remoteUserInfo.ID,
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RemoteUserName: remoteUserInfo.LoginName,
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Oauth2AccessToken: req.RemoteSourceOauth2AccessToken,
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Oauth2RefreshToken: req.RemoteSourceOauth2RefreshToken,
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UserAccessToken: req.RemoteSourceUserAccessToken,
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}
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c.log.Infof("creating linked account")
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la, _, err = c.configstoreClient.CreateUserLA(ctx, userName, creq)
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if err != nil {
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return nil, errors.Wrapf(err, "failed to create linked account")
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}
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c.log.Infof("linked account %q for user %q created", la.ID, userName)
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return la, nil
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}
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type LoginUserRequest struct {
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RemoteSourceName string
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RemoteSourceUserAccessToken string
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RemoteSourceOauth2AccessToken string
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RemoteSourceOauth2RefreshToken string
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}
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type LoginUserResponse struct {
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Token string
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User *types.User
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}
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func (c *CommandHandler) LoginUser(ctx context.Context, req *LoginUserRequest) (*LoginUserResponse, error) {
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rs, _, err := c.configstoreClient.GetRemoteSourceByName(ctx, req.RemoteSourceName)
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if err != nil {
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return nil, errors.Wrapf(err, "failed to get remote source %q", req.RemoteSourceName)
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}
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c.log.Infof("rs: %s", util.Dump(rs))
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accessToken, err := common.GetAccessToken(rs.AuthType, req.RemoteSourceUserAccessToken, req.RemoteSourceOauth2AccessToken)
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if err != nil {
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return nil, err
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}
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userSource, err := common.GetUserSource(rs, accessToken)
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if err != nil {
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return nil, err
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}
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remoteUserInfo, err := userSource.GetUserInfo()
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if err != nil {
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return nil, errors.Wrapf(err, "failed to retrieve remote user info for remote source %q", rs.ID)
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}
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if remoteUserInfo.ID == "" {
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return nil, errors.Errorf("empty remote user id for remote source %q", rs.ID)
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}
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user, _, err := c.configstoreClient.GetUserByLinkedAccountRemoteUserAndSource(ctx, remoteUserInfo.ID, rs.ID)
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if err != nil {
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return nil, errors.Wrapf(err, "failed to get user for remote user id %q and remote source %q", remoteUserInfo.ID, rs.ID)
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}
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var la *types.LinkedAccount
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for _, v := range user.LinkedAccounts {
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if v.RemoteSourceID == rs.ID {
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la = v
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break
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}
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}
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c.log.Infof("la: %s", util.Dump(la))
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if la == nil {
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return nil, errors.Errorf("linked account for user %q for remote source %q doesn't exist", user.UserName, rs.Name)
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}
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// Update oauth tokens if they have changed since the getuserinfo request may have updated them
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if la.Oauth2AccessToken != req.RemoteSourceOauth2AccessToken ||
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la.Oauth2RefreshToken != req.RemoteSourceOauth2RefreshToken ||
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la.UserAccessToken != req.RemoteSourceUserAccessToken {
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la.Oauth2AccessToken = req.RemoteSourceOauth2AccessToken
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la.Oauth2RefreshToken = req.RemoteSourceOauth2RefreshToken
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la.UserAccessToken = req.RemoteSourceUserAccessToken
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creq := &csapi.UpdateUserLARequest{
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RemoteUserID: la.RemoteUserID,
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RemoteUserName: la.RemoteUserName,
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Oauth2AccessToken: la.Oauth2AccessToken,
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Oauth2RefreshToken: la.Oauth2RefreshToken,
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UserAccessToken: la.UserAccessToken,
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}
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c.log.Infof("updating user %q linked account", user.UserName)
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la, _, err = c.configstoreClient.UpdateUserLA(ctx, user.UserName, la.ID, creq)
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if err != nil {
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return nil, errors.Wrapf(err, "failed to update user")
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}
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c.log.Infof("linked account %q for user %q updated", la.ID, user.UserName)
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}
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// generate jwt token
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token, err := common.GenerateLoginJWTToken(c.sd, user.ID)
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if err != nil {
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return nil, err
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}
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return &LoginUserResponse{
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Token: token,
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User: user,
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}, nil
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}
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type RemoteSourceAuthResponse struct {
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Oauth2Redirect string
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Response interface{}
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}
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func (c *CommandHandler) HandleRemoteSourceAuth(ctx context.Context, rs *types.RemoteSource, loginName, loginPassword, requestType string, req interface{}) (*RemoteSourceAuthResponse, error) {
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switch rs.AuthType {
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case types.RemoteSourceAuthTypeOauth2:
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oauth2Source, err := common.GetOauth2Source(rs, "")
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if err != nil {
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return nil, errors.Wrapf(err, "failed to create git source")
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}
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token, err := common.GenerateJWTToken(c.sd, rs.Name, requestType, req)
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if err != nil {
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return nil, err
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}
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redirect, err := oauth2Source.GetOauth2AuthorizationURL(c.webExposedURL+"/oauth2/callback", token)
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if err != nil {
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return nil, err
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}
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c.log.Infof("oauth2 redirect: %s", redirect)
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return &RemoteSourceAuthResponse{
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Oauth2Redirect: redirect,
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}, nil
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case types.RemoteSourceAuthTypePassword:
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passwordSource, err := common.GetPasswordSource(rs, "")
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if err != nil {
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return nil, errors.Wrapf(err, "failed to create git source")
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}
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accessToken, err := passwordSource.LoginPassword(loginName, loginPassword)
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if err != nil {
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return nil, errors.Wrapf(err, "failed to login to remote source %q with login name %q", rs.Name, loginName)
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}
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c.log.Infof("access token: %s", accessToken)
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requestj, err := json.Marshal(req)
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if err != nil {
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return nil, err
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}
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cres, err := c.HandleRemoteSourceAuthRequest(ctx, requestType, string(requestj), accessToken, "", "")
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if err != nil {
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return nil, err
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}
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return &RemoteSourceAuthResponse{
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Response: cres.Response,
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}, nil
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default:
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return nil, errors.Errorf("unknown remote source authentication type: %q", rs.AuthType)
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}
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}
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type RemoteSourceAuthResult struct {
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RequestType string
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Response interface{}
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}
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type CreateUserLAResponse struct {
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LinkedAccount *types.LinkedAccount
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}
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func (c *CommandHandler) HandleRemoteSourceAuthRequest(ctx context.Context, requestType, requestString string, userAccessToken, Oauth2AccessToken, Oauth2RefreshToken string) (*RemoteSourceAuthResult, error) {
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switch requestType {
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case "createuserla":
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var req *CreateUserLARequest
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if err := json.Unmarshal([]byte(requestString), &req); err != nil {
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return nil, errors.Errorf("failed to unmarshal request")
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}
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creq := &CreateUserLARequest{
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UserName: req.UserName,
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RemoteSourceName: req.RemoteSourceName,
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RemoteSourceUserAccessToken: userAccessToken,
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RemoteSourceOauth2AccessToken: Oauth2AccessToken,
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RemoteSourceOauth2RefreshToken: Oauth2RefreshToken,
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}
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la, err := c.CreateUserLA(ctx, creq)
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if err != nil {
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return nil, err
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}
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return &RemoteSourceAuthResult{
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RequestType: requestType,
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Response: &CreateUserLAResponse{
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LinkedAccount: la,
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},
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}, nil
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case "loginuser":
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var req *LoginUserRequest
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if err := json.Unmarshal([]byte(requestString), &req); err != nil {
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return nil, errors.Errorf("failed to unmarshal request")
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}
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creq := &LoginUserRequest{
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RemoteSourceName: req.RemoteSourceName,
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RemoteSourceUserAccessToken: userAccessToken,
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RemoteSourceOauth2AccessToken: Oauth2AccessToken,
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RemoteSourceOauth2RefreshToken: Oauth2RefreshToken,
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}
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cresp, err := c.LoginUser(ctx, creq)
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if err != nil {
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return nil, err
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}
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return &RemoteSourceAuthResult{
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RequestType: requestType,
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Response: &LoginUserResponse{
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Token: cresp.Token,
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User: cresp.User,
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},
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}, nil
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default:
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return nil, errors.Errorf("unknown request")
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}
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}
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func (c *CommandHandler) HandleOauth2Callback(ctx context.Context, code, state string) (*RemoteSourceAuthResult, error) {
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token, err := jwt.Parse(state, func(token *jwt.Token) (interface{}, error) {
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if token.Method != c.sd.Method {
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return nil, errors.Errorf("unexpected signing method: %v", token.Header["alg"])
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}
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var key interface{}
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switch c.sd.Method {
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case jwt.SigningMethodRS256:
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key = c.sd.PrivateKey
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case jwt.SigningMethodHS256:
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key = c.sd.Key
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default:
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return nil, errors.Errorf("unsupported signing method %q", c.sd.Method.Alg())
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}
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return key, nil
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})
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if err != nil {
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return nil, errors.Wrap(err, "failed to parse jwt")
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}
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if !token.Valid {
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return nil, errors.Errorf("invalid token")
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}
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claims := token.Claims.(jwt.MapClaims)
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remoteSourceName := claims["remote_source_name"].(string)
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requestType := claims["request_type"].(string)
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requestString := claims["request"].(string)
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rs, _, err := c.configstoreClient.GetRemoteSourceByName(ctx, remoteSourceName)
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if err != nil {
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return nil, errors.Wrapf(err, "failed to get remote source %q", remoteSourceName)
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}
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c.log.Infof("rs: %s", util.Dump(rs))
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oauth2Source, err := common.GetOauth2Source(rs, "")
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if err != nil {
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return nil, errors.Wrapf(err, "failed to create gitlab source")
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}
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oauth2Token, err := oauth2Source.RequestOauth2Token(c.webExposedURL+"/oauth2/callback", code)
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if err != nil {
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return nil, err
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}
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return c.HandleRemoteSourceAuthRequest(ctx, requestType, requestString, "", oauth2Token.AccessToken, oauth2Token.RefreshToken)
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}
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