memos/api/v1/auth.go

413 lines
16 KiB
Go

package v1
import (
"context"
"encoding/json"
"fmt"
"net/http"
"regexp"
"strings"
"time"
"github.com/labstack/echo/v4"
"github.com/pkg/errors"
"golang.org/x/crypto/bcrypt"
"github.com/usememos/memos/api/auth"
"github.com/usememos/memos/internal/util"
"github.com/usememos/memos/plugin/idp"
"github.com/usememos/memos/plugin/idp/oauth2"
storepb "github.com/usememos/memos/proto/gen/store"
"github.com/usememos/memos/store"
)
var (
usernameMatcher = regexp.MustCompile("^[a-z0-9]([a-z0-9-]{1,30}[a-z0-9])$")
)
type SignIn struct {
Username string `json:"username"`
Password string `json:"password"`
Remember bool `json:"remember"`
}
type SSOSignIn struct {
IdentityProviderID int32 `json:"identityProviderId"`
Code string `json:"code"`
RedirectURI string `json:"redirectUri"`
}
type SignUp struct {
Username string `json:"username"`
Password string `json:"password"`
}
func (s *APIV1Service) registerAuthRoutes(g *echo.Group) {
g.POST("/auth/signin", s.SignIn)
g.POST("/auth/signin/sso", s.SignInSSO)
g.POST("/auth/signout", s.SignOut)
g.POST("/auth/signup", s.SignUp)
}
// SignIn godoc
//
// @Summary Sign-in to memos.
// @Tags auth
// @Accept json
// @Produce json
// @Param body body SignIn true "Sign-in object"
// @Success 200 {object} store.User "User information"
// @Failure 400 {object} nil "Malformatted signin request"
// @Failure 401 {object} nil "Password login is deactivated | Incorrect login credentials, please try again"
// @Failure 403 {object} nil "User has been archived with username %s"
// @Failure 500 {object} nil "Failed to find system setting | Failed to unmarshal system setting | Incorrect login credentials, please try again | Failed to generate tokens | Failed to create activity"
// @Router /api/v1/auth/signin [POST]
func (s *APIV1Service) SignIn(c echo.Context) error {
ctx := c.Request().Context()
signin := &SignIn{}
disablePasswordLoginSystemSetting, err := s.Store.GetSystemSetting(ctx, &store.FindSystemSetting{
Name: SystemSettingDisablePasswordLoginName.String(),
})
if err != nil {
return echo.NewHTTPError(http.StatusInternalServerError, "Failed to find system setting").SetInternal(err)
}
if disablePasswordLoginSystemSetting != nil {
disablePasswordLogin := false
err = json.Unmarshal([]byte(disablePasswordLoginSystemSetting.Value), &disablePasswordLogin)
if err != nil {
return echo.NewHTTPError(http.StatusInternalServerError, "Failed to unmarshal system setting").SetInternal(err)
}
if disablePasswordLogin {
return echo.NewHTTPError(http.StatusUnauthorized, "Password login is deactivated")
}
}
if err := json.NewDecoder(c.Request().Body).Decode(signin); err != nil {
return echo.NewHTTPError(http.StatusBadRequest, "Malformatted signin request").SetInternal(err)
}
user, err := s.Store.GetUser(ctx, &store.FindUser{
Username: &signin.Username,
})
if err != nil {
return echo.NewHTTPError(http.StatusInternalServerError, "Incorrect login credentials, please try again")
}
if user == nil {
return echo.NewHTTPError(http.StatusUnauthorized, "Incorrect login credentials, please try again")
} else if user.RowStatus == store.Archived {
return echo.NewHTTPError(http.StatusForbidden, fmt.Sprintf("User has been archived with username %s", signin.Username))
}
// Compare the stored hashed password, with the hashed version of the password that was received.
if err := bcrypt.CompareHashAndPassword([]byte(user.PasswordHash), []byte(signin.Password)); err != nil {
// If the two passwords don't match, return a 401 status.
return echo.NewHTTPError(http.StatusUnauthorized, "Incorrect login credentials, please try again")
}
var expireAt time.Time
// Set cookie expiration to 100 years to make it persistent.
cookieExp := time.Now().AddDate(100, 0, 0)
if !signin.Remember {
expireAt = time.Now().Add(auth.AccessTokenDuration)
cookieExp = time.Now().Add(auth.CookieExpDuration)
}
accessToken, err := auth.GenerateAccessToken(user.Username, user.ID, expireAt, []byte(s.Secret))
if err != nil {
return echo.NewHTTPError(http.StatusInternalServerError, fmt.Sprintf("failed to generate tokens, err: %s", err)).SetInternal(err)
}
if err := s.UpsertAccessTokenToStore(ctx, user, accessToken); err != nil {
return echo.NewHTTPError(http.StatusInternalServerError, fmt.Sprintf("failed to upsert access token, err: %s", err)).SetInternal(err)
}
setTokenCookie(c, auth.AccessTokenCookieName, accessToken, cookieExp)
userMessage := convertUserFromStore(user)
return c.JSON(http.StatusOK, userMessage)
}
// SignInSSO godoc
//
// @Summary Sign-in to memos using SSO.
// @Tags auth
// @Accept json
// @Produce json
// @Param body body SSOSignIn true "SSO sign-in object"
// @Success 200 {object} store.User "User information"
// @Failure 400 {object} nil "Malformatted signin request"
// @Failure 401 {object} nil "Access denied, identifier does not match the filter."
// @Failure 403 {object} nil "User has been archived with username {username}"
// @Failure 404 {object} nil "Identity provider not found"
// @Failure 500 {object} nil "Failed to find identity provider | Failed to create identity provider instance | Failed to exchange token | Failed to get user info | Failed to compile identifier filter | Incorrect login credentials, please try again | Failed to generate random password | Failed to generate password hash | Failed to create user | Failed to generate tokens | Failed to create activity"
// @Router /api/v1/auth/signin/sso [POST]
func (s *APIV1Service) SignInSSO(c echo.Context) error {
ctx := c.Request().Context()
signin := &SSOSignIn{}
if err := json.NewDecoder(c.Request().Body).Decode(signin); err != nil {
return echo.NewHTTPError(http.StatusBadRequest, "Malformatted signin request").SetInternal(err)
}
identityProvider, err := s.Store.GetIdentityProvider(ctx, &store.FindIdentityProvider{
ID: &signin.IdentityProviderID,
})
if err != nil {
return echo.NewHTTPError(http.StatusInternalServerError, "Failed to find identity provider").SetInternal(err)
}
if identityProvider == nil {
return echo.NewHTTPError(http.StatusNotFound, "Identity provider not found")
}
var userInfo *idp.IdentityProviderUserInfo
if identityProvider.Type == store.IdentityProviderOAuth2Type {
oauth2IdentityProvider, err := oauth2.NewIdentityProvider(identityProvider.Config.OAuth2Config)
if err != nil {
return echo.NewHTTPError(http.StatusInternalServerError, "Failed to create identity provider instance").SetInternal(err)
}
token, err := oauth2IdentityProvider.ExchangeToken(ctx, signin.RedirectURI, signin.Code)
if err != nil {
return echo.NewHTTPError(http.StatusInternalServerError, "Failed to exchange token").SetInternal(err)
}
userInfo, err = oauth2IdentityProvider.UserInfo(token)
if err != nil {
return echo.NewHTTPError(http.StatusInternalServerError, "Failed to get user info").SetInternal(err)
}
}
identifierFilter := identityProvider.IdentifierFilter
if identifierFilter != "" {
identifierFilterRegex, err := regexp.Compile(identifierFilter)
if err != nil {
return echo.NewHTTPError(http.StatusInternalServerError, "Failed to compile identifier filter").SetInternal(err)
}
if !identifierFilterRegex.MatchString(userInfo.Identifier) {
return echo.NewHTTPError(http.StatusUnauthorized, "Access denied, identifier does not match the filter.").SetInternal(err)
}
}
user, err := s.Store.GetUser(ctx, &store.FindUser{
Username: &userInfo.Identifier,
})
if err != nil {
return echo.NewHTTPError(http.StatusInternalServerError, "Incorrect login credentials, please try again")
}
if user == nil {
allowSignUpSetting, err := s.Store.GetSystemSetting(ctx, &store.FindSystemSetting{
Name: SystemSettingAllowSignUpName.String(),
})
if err != nil {
return echo.NewHTTPError(http.StatusInternalServerError, "Failed to find system setting").SetInternal(err)
}
allowSignUpSettingValue := true
if allowSignUpSetting != nil {
err = json.Unmarshal([]byte(allowSignUpSetting.Value), &allowSignUpSettingValue)
if err != nil {
return echo.NewHTTPError(http.StatusInternalServerError, "Failed to unmarshal system setting allow signup").SetInternal(err)
}
}
if !allowSignUpSettingValue {
return echo.NewHTTPError(http.StatusUnauthorized, "signup is disabled").SetInternal(err)
}
userCreate := &store.User{
Username: userInfo.Identifier,
// The new signup user should be normal user by default.
Role: store.RoleUser,
Nickname: userInfo.DisplayName,
Email: userInfo.Email,
}
password, err := util.RandomString(20)
if err != nil {
return echo.NewHTTPError(http.StatusInternalServerError, "Failed to generate random password").SetInternal(err)
}
passwordHash, err := bcrypt.GenerateFromPassword([]byte(password), bcrypt.DefaultCost)
if err != nil {
return echo.NewHTTPError(http.StatusInternalServerError, "Failed to generate password hash").SetInternal(err)
}
userCreate.PasswordHash = string(passwordHash)
user, err = s.Store.CreateUser(ctx, userCreate)
if err != nil {
return echo.NewHTTPError(http.StatusInternalServerError, "Failed to create user").SetInternal(err)
}
}
if user.RowStatus == store.Archived {
return echo.NewHTTPError(http.StatusForbidden, fmt.Sprintf("User has been archived with username %s", userInfo.Identifier))
}
accessToken, err := auth.GenerateAccessToken(user.Username, user.ID, time.Now().Add(auth.AccessTokenDuration), []byte(s.Secret))
if err != nil {
return echo.NewHTTPError(http.StatusInternalServerError, fmt.Sprintf("failed to generate tokens, err: %s", err)).SetInternal(err)
}
if err := s.UpsertAccessTokenToStore(ctx, user, accessToken); err != nil {
return echo.NewHTTPError(http.StatusInternalServerError, fmt.Sprintf("failed to upsert access token, err: %s", err)).SetInternal(err)
}
cookieExp := time.Now().Add(auth.CookieExpDuration)
setTokenCookie(c, auth.AccessTokenCookieName, accessToken, cookieExp)
userMessage := convertUserFromStore(user)
return c.JSON(http.StatusOK, userMessage)
}
// SignOut godoc
//
// @Summary Sign-out from memos.
// @Tags auth
// @Produce json
// @Success 200 {boolean} true "Sign-out success"
// @Router /api/v1/auth/signout [POST]
func (s *APIV1Service) SignOut(c echo.Context) error {
ctx := c.Request().Context()
accessToken := findAccessToken(c)
userID, _ := getUserIDFromAccessToken(accessToken, s.Secret)
userAccessTokens, err := s.Store.GetUserAccessTokens(ctx, userID)
// Auto remove the current access token from the user access tokens.
if err == nil && len(userAccessTokens) != 0 {
accessTokens := []*storepb.AccessTokensUserSetting_AccessToken{}
for _, userAccessToken := range userAccessTokens {
if accessToken != userAccessToken.AccessToken {
accessTokens = append(accessTokens, userAccessToken)
}
}
if _, err := s.Store.UpsertUserSettingV1(ctx, &storepb.UserSetting{
UserId: userID,
Key: storepb.UserSettingKey_USER_SETTING_ACCESS_TOKENS,
Value: &storepb.UserSetting_AccessTokens{
AccessTokens: &storepb.AccessTokensUserSetting{
AccessTokens: accessTokens,
},
},
}); err != nil {
return echo.NewHTTPError(http.StatusInternalServerError, fmt.Sprintf("failed to upsert user setting, err: %s", err)).SetInternal(err)
}
}
removeAccessTokenAndCookies(c)
return c.JSON(http.StatusOK, true)
}
// SignUp godoc
//
// @Summary Sign-up to memos.
// @Tags auth
// @Accept json
// @Produce json
// @Param body body SignUp true "Sign-up object"
// @Success 200 {object} store.User "User information"
// @Failure 400 {object} nil "Malformatted signup request | Failed to find users"
// @Failure 401 {object} nil "signup is disabled"
// @Failure 403 {object} nil "Forbidden"
// @Failure 404 {object} nil "Not found"
// @Failure 500 {object} nil "Failed to find system setting | Failed to unmarshal system setting allow signup | Failed to generate password hash | Failed to create user | Failed to generate tokens | Failed to create activity"
// @Router /api/v1/auth/signup [POST]
func (s *APIV1Service) SignUp(c echo.Context) error {
ctx := c.Request().Context()
signup := &SignUp{}
if err := json.NewDecoder(c.Request().Body).Decode(signup); err != nil {
return echo.NewHTTPError(http.StatusBadRequest, "Malformatted signup request").SetInternal(err)
}
hostUserType := store.RoleHost
existedHostUsers, err := s.Store.ListUsers(ctx, &store.FindUser{
Role: &hostUserType,
})
if err != nil {
return echo.NewHTTPError(http.StatusBadRequest, "Failed to find users").SetInternal(err)
}
if !usernameMatcher.MatchString(strings.ToLower(signup.Username)) {
return echo.NewHTTPError(http.StatusBadRequest, fmt.Sprintf("Invalid username %s", signup.Username)).SetInternal(err)
}
userCreate := &store.User{
Username: signup.Username,
// The new signup user should be normal user by default.
Role: store.RoleUser,
Nickname: signup.Username,
}
if len(existedHostUsers) == 0 {
// Change the default role to host if there is no host user.
userCreate.Role = store.RoleHost
} else {
allowSignUpSetting, err := s.Store.GetSystemSetting(ctx, &store.FindSystemSetting{
Name: SystemSettingAllowSignUpName.String(),
})
if err != nil {
return echo.NewHTTPError(http.StatusInternalServerError, "Failed to find system setting").SetInternal(err)
}
allowSignUpSettingValue := true
if allowSignUpSetting != nil {
err = json.Unmarshal([]byte(allowSignUpSetting.Value), &allowSignUpSettingValue)
if err != nil {
return echo.NewHTTPError(http.StatusInternalServerError, "Failed to unmarshal system setting allow signup").SetInternal(err)
}
}
if !allowSignUpSettingValue {
return echo.NewHTTPError(http.StatusUnauthorized, "signup is disabled").SetInternal(err)
}
}
passwordHash, err := bcrypt.GenerateFromPassword([]byte(signup.Password), bcrypt.DefaultCost)
if err != nil {
return echo.NewHTTPError(http.StatusInternalServerError, "Failed to generate password hash").SetInternal(err)
}
userCreate.PasswordHash = string(passwordHash)
user, err := s.Store.CreateUser(ctx, userCreate)
if err != nil {
return echo.NewHTTPError(http.StatusInternalServerError, "Failed to create user").SetInternal(err)
}
accessToken, err := auth.GenerateAccessToken(user.Username, user.ID, time.Now().Add(auth.AccessTokenDuration), []byte(s.Secret))
if err != nil {
return echo.NewHTTPError(http.StatusInternalServerError, fmt.Sprintf("failed to generate tokens, err: %s", err)).SetInternal(err)
}
if err := s.UpsertAccessTokenToStore(ctx, user, accessToken); err != nil {
return echo.NewHTTPError(http.StatusInternalServerError, fmt.Sprintf("failed to upsert access token, err: %s", err)).SetInternal(err)
}
cookieExp := time.Now().Add(auth.CookieExpDuration)
setTokenCookie(c, auth.AccessTokenCookieName, accessToken, cookieExp)
userMessage := convertUserFromStore(user)
return c.JSON(http.StatusOK, userMessage)
}
func (s *APIV1Service) UpsertAccessTokenToStore(ctx context.Context, user *store.User, accessToken string) error {
userAccessTokens, err := s.Store.GetUserAccessTokens(ctx, user.ID)
if err != nil {
return errors.Wrap(err, "failed to get user access tokens")
}
userAccessToken := storepb.AccessTokensUserSetting_AccessToken{
AccessToken: accessToken,
Description: "Account sign in",
}
userAccessTokens = append(userAccessTokens, &userAccessToken)
if _, err := s.Store.UpsertUserSettingV1(ctx, &storepb.UserSetting{
UserId: user.ID,
Key: storepb.UserSettingKey_USER_SETTING_ACCESS_TOKENS,
Value: &storepb.UserSetting_AccessTokens{
AccessTokens: &storepb.AccessTokensUserSetting{
AccessTokens: userAccessTokens,
},
},
}); err != nil {
return echo.NewHTTPError(http.StatusInternalServerError, fmt.Sprintf("failed to upsert user setting, err: %s", err)).SetInternal(err)
}
return nil
}
// removeAccessTokenAndCookies removes the jwt token from the cookies.
func removeAccessTokenAndCookies(c echo.Context) {
cookieExp := time.Now().Add(-1 * time.Hour)
setTokenCookie(c, auth.AccessTokenCookieName, "", cookieExp)
}
// setTokenCookie sets the token to the cookie.
func setTokenCookie(c echo.Context, name, token string, expiration time.Time) {
cookie := new(http.Cookie)
cookie.Name = name
cookie.Value = token
cookie.Expires = expiration
cookie.Path = "/"
// Http-only helps mitigate the risk of client side script accessing the protected cookie.
cookie.HttpOnly = true
cookie.SameSite = http.SameSiteStrictMode
c.SetCookie(cookie)
}