func PatchUser(c *gin.Context) {
me := session.User(c)
in := &model.User{}
err := c.Bind(in)
if err != nil {
c.AbortWithStatus(http.StatusBadRequest)
return
}
user, err := store.GetUserLogin(c, c.Param("login"))
if err != nil {
c.AbortWithStatus(http.StatusNotFound)
return
}
user.Admin = in.Admin
user.Active = in.Active
// cannot update self
if me.ID == user.ID {
c.AbortWithStatus(http.StatusForbidden)
return
}
err = store.UpdateUser(c, user)
if err != nil {
c.AbortWithStatus(http.StatusConflict)
return
}
c.IndentedJSON(http.StatusOK, user)
}
func GetLoginToken(c *gin.Context) {
remote := remote.FromContext(c)
in := &tokenPayload{}
err := c.Bind(in)
if err != nil {
c.AbortWithError(http.StatusBadRequest, err)
return
}
login, err := remote.Auth(in.Access, in.Refresh)
if err != nil {
c.AbortWithError(http.StatusUnauthorized, err)
return
}
user, err := store.GetUserLogin(c, login)
if err != nil {
c.AbortWithError(http.StatusNotFound, err)
return
}
exp := time.Now().Add(time.Hour * 72).Unix()
token := token.New(token.SessToken, user.Login)
tokenstr, err := token.SignExpires(user.Hash, exp)
if err != nil {
c.AbortWithError(http.StatusInternalServerError, err)
return
}
c.IndentedJSON(http.StatusOK, &tokenPayload{
Access: tokenstr,
Expires: exp - time.Now().Unix(),
})
}
func SetUser() gin.HandlerFunc {
return func(c *gin.Context) {
var user *model.User
t, err := token.ParseRequest(c.Request, func(t *token.Token) (string, error) {
var err error
user, err = store.GetUserLogin(c, t.Text)
return user.Hash, err
})
if err == nil {
c.Set("user", user)
// if this is a session token (ie not the API token)
// this means the user is accessing with a web browser,
// so we should implement CSRF protection measures.
if t.Kind == token.SessToken {
err = token.CheckCsrf(c.Request, func(t *token.Token) (string, error) {
return user.Hash, nil
})
// if csrf token validation fails, exit immediately
// with a not authorized error.
if err != nil {
c.AbortWithStatus(http.StatusUnauthorized)
return
}
}
}
c.Next()
}
}
func GetUser(c *gin.Context) {
user, err := store.GetUserLogin(c, c.Param("login"))
if err != nil {
c.AbortWithStatus(http.StatusNotFound)
return
}
token := token.New(token.UserToken, user.Login)
tokenstr, err := token.Sign(user.Hash)
if err != nil {
tokenstr = ""
}
userWithToken := struct {
*model.User
Token string `json:"token,omitempty"`
}{user, tokenstr}
c.IndentedJSON(http.StatusOK, userWithToken)
}
func DeleteUser(c *gin.Context) {
me := session.User(c)
user, err := store.GetUserLogin(c, c.Param("login"))
if err != nil {
c.AbortWithStatus(http.StatusNotFound)
return
}
// cannot delete self
if me.ID == user.ID {
c.AbortWithStatus(http.StatusForbidden)
return
}
err = store.DeleteUser(c, user)
if err != nil {
c.AbortWithStatus(http.StatusInternalServerError)
return
}
c.Writer.WriteHeader(http.StatusNoContent)
}
func GetLogin(c *gin.Context) {
remote := remote.FromContext(c)
// when dealing with redirects we may need
// to adjust the content type. I cannot, however,
// rememver why, so need to revisit this line.
c.Writer.Header().Del("Content-Type")
tmpuser, open, err := remote.Login(c.Writer, c.Request)
if err != nil {
log.Errorf("cannot authenticate user. %s", err)
c.Redirect(303, "/login?error=oauth_error")
return
}
// this will happen when the user is redirected by
// the remote provide as part of the oauth dance.
if tmpuser == nil {
return
}
// get the user from the database
u, err := store.GetUserLogin(c, tmpuser.Login)
if err != nil {
count, err := store.CountUsers(c)
if err != nil {
log.Errorf("cannot register %s. %s", tmpuser.Login, err)
c.Redirect(303, "/login?error=internal_error")
return
}
// if self-registration is disabled we should
// return a notAuthorized error. the only exception
// is if no users exist yet in the system we'll proceed.
if !open && count != 0 {
log.Errorf("cannot register %s. registration closed", tmpuser.Login)
c.Redirect(303, "/login?error=access_denied")
return
}
// create the user account
u = &model.User{}
u.Login = tmpuser.Login
u.Token = tmpuser.Token
u.Secret = tmpuser.Secret
u.Email = tmpuser.Email
u.Avatar = tmpuser.Avatar
u.Hash = crypto.Rand()
// insert the user into the database
if err := store.CreateUser(c, u); err != nil {
log.Errorf("cannot insert %s. %s", u.Login, err)
c.Redirect(303, "/login?error=internal_error")
return
}
// if this is the first user, they
// should be an admin.
if count == 0 {
u.Admin = true
}
}
// update the user meta data and authorization
// data and cache in the datastore.
u.Token = tmpuser.Token
u.Secret = tmpuser.Secret
u.Email = tmpuser.Email
u.Avatar = tmpuser.Avatar
if err := store.UpdateUser(c, u); err != nil {
log.Errorf("cannot update %s. %s", u.Login, err)
c.Redirect(303, "/login?error=internal_error")
return
}
exp := time.Now().Add(time.Hour * 72).Unix()
token := token.New(token.SessToken, u.Login)
tokenstr, err := token.SignExpires(u.Hash, exp)
if err != nil {
log.Errorf("cannot create token for %s. %s", u.Login, err)
c.Redirect(303, "/login?error=internal_error")
return
}
httputil.SetCookie(c.Writer, c.Request, "user_sess", tokenstr)
redirect := httputil.GetCookie(c.Request, "user_last")
if len(redirect) == 0 {
redirect = "/"
}
c.Redirect(303, redirect)
}