Partially implement updates of models

This commit is contained in:
eikendev 2020-08-02 02:46:38 +02:00
parent 6a77df8373
commit d621333b6e
No known key found for this signature in database
GPG key ID: A1BDB1B28C8EF694
9 changed files with 158 additions and 19 deletions

View file

@ -1,7 +1,6 @@
package api
import (
"errors"
"log"
"net/http"
@ -15,6 +14,7 @@ import (
type ApplicationDatabase interface {
CreateApplication(application *model.Application) error
DeleteApplication(application *model.Application) error
UpdateApplication(application *model.Application) error
GetApplicationByID(ID uint) (*model.Application, error)
GetApplicationByToken(token string) (*model.Application, error)
}
@ -76,15 +76,11 @@ func (h *ApplicationHandler) DeleteApplication(ctx *gin.Context) {
}
application, err := h.DB.GetApplicationByID(deleteApplication.ID)
if success := successOrAbort(ctx, http.StatusBadRequest, err); !success {
if success := successOrAbort(ctx, http.StatusNotFound, err); !success {
return
}
user := authentication.GetUser(ctx)
if user.ID != application.ID {
ctx.AbortWithError(http.StatusForbidden, errors.New("only owner can delete application"))
if !isCurrentUser(ctx, application.UserID) {
return
}
@ -100,3 +96,32 @@ func (h *ApplicationHandler) DeleteApplication(ctx *gin.Context) {
ctx.JSON(http.StatusOK, gin.H{})
}
// UpdateApplication updates an application with a certain ID.
func (h *ApplicationHandler) UpdateApplication(ctx *gin.Context) {
var updateApplication model.UpdateApplication
if success := successOrAbort(ctx, http.StatusBadRequest, ctx.BindUri(&updateApplication)); !success {
return
}
application, err := h.DB.GetApplicationByID(updateApplication.ID)
if success := successOrAbort(ctx, http.StatusNotFound, err); !success {
return
}
if !isCurrentUser(ctx, application.UserID) {
return
}
log.Printf("Updating application %s.\n", application.Name)
// TODO: Handle unbound members.
application.Name = updateApplication.Name
if success := successOrAbort(ctx, http.StatusInternalServerError, h.DB.UpdateApplication(application)); !success {
return
}
ctx.JSON(http.StatusOK, gin.H{})
}

View file

@ -5,6 +5,7 @@ import (
"log"
"net/http"
"github.com/eikendev/pushbits/authentication"
"github.com/eikendev/pushbits/model"
"github.com/gin-gonic/gin"
@ -14,6 +15,7 @@ import (
type UserDatabase interface {
CreateUser(user model.ExternalUserWithCredentials) (*model.User, error)
DeleteUser(user *model.User) error
UpdateUser(user *model.User) error
GetUserByID(ID uint) (*model.User, error)
GetUserByName(name string) (*model.User, error)
GetApplications(user *model.User) ([]model.Application, error)
@ -36,6 +38,16 @@ func (h *UserHandler) userExists(name string) bool {
return user != nil
}
func (h *UserHandler) ensureIsNotLastAdmin(ctx *gin.Context) (int, error) {
if count, err := h.DB.AdminUserCount(); err != nil {
return http.StatusInternalServerError, err
} else if count == 1 {
return http.StatusBadRequest, errors.New("instance needs at least one privileged user")
}
return 0, nil
}
// CreateUser creates a new user.
func (h *UserHandler) CreateUser(ctx *gin.Context) {
var externalUser model.ExternalUserWithCredentials
@ -67,16 +79,14 @@ func (h *UserHandler) DeleteUser(ctx *gin.Context) {
}
user, err := h.DB.GetUserByID(deleteUser.ID)
if success := successOrAbort(ctx, http.StatusBadRequest, err); !success {
if success := successOrAbort(ctx, http.StatusNotFound, err); !success {
return
}
// Last privileged user must not be deleted.
if user.IsAdmin {
if count, err := h.DB.AdminUserCount(); err != nil {
ctx.AbortWithError(http.StatusInternalServerError, err)
return
} else if count == 1 {
ctx.AbortWithError(http.StatusBadRequest, errors.New("cannot delete last admin user"))
if status, err := h.ensureIsNotLastAdmin(ctx); err != nil {
ctx.AbortWithError(status, err)
return
}
}
@ -100,3 +110,43 @@ func (h *UserHandler) DeleteUser(ctx *gin.Context) {
ctx.JSON(http.StatusOK, gin.H{})
}
// UpdateUser updates a user with a certain ID.
func (h *UserHandler) UpdateUser(ctx *gin.Context) {
var updateUser model.UpdateUser
if success := successOrAbort(ctx, http.StatusBadRequest, ctx.BindUri(&updateUser)); !success {
return
}
user, err := h.DB.GetUserByID(updateUser.ID)
if success := successOrAbort(ctx, http.StatusNotFound, err); !success {
return
}
currentUser := authentication.GetUser(ctx)
// Last privileged user must not be taken privileges. Assumes that the current user has privileges.
if user.ID == currentUser.ID && !updateUser.IsAdmin {
if status, err := h.ensureIsNotLastAdmin(ctx); err != nil {
ctx.AbortWithError(status, err)
return
}
}
log.Printf("Updating user %s.\n", user.Name)
// If users can later update their own user, make sure they cannot give themselves privileges.
// TODO: Handle unbound members.
// TODO: Allow updating of password.
// TODO: Update rooms of applications when the user's MatrixID changes.
user.Name = updateUser.Name
user.MatrixID = updateUser.MatrixID
user.IsAdmin = updateUser.IsAdmin
if success := successOrAbort(ctx, http.StatusInternalServerError, h.DB.UpdateUser(user)); !success {
return
}
ctx.JSON(http.StatusOK, gin.H{})
}

View file

@ -1,6 +1,11 @@
package api
import (
"errors"
"net/http"
"github.com/eikendev/pushbits/authentication"
"github.com/gin-gonic/gin"
)
@ -11,3 +16,14 @@ func successOrAbort(ctx *gin.Context, code int, err error) bool {
return err == nil
}
func isCurrentUser(ctx *gin.Context, ID uint) bool {
user := authentication.GetUser(ctx)
if user.ID != ID {
ctx.AbortWithError(http.StatusForbidden, errors.New("only owner can delete application"))
return false
}
return true
}

12
assert/assert.go Normal file
View file

@ -0,0 +1,12 @@
package assert
import (
"errors"
)
// Assert panics if condition is false.
func Assert(condition bool) {
if !condition {
panic(errors.New("assertion failed"))
}
}

View file

@ -3,6 +3,7 @@ package database
import (
"errors"
"github.com/eikendev/pushbits/assert"
"github.com/eikendev/pushbits/model"
"gorm.io/gorm"
@ -18,28 +19,37 @@ func (d *Database) DeleteApplication(application *model.Application) error {
return d.gormdb.Delete(application).Error
}
// UpdateApplication updates an application.
func (d *Database) UpdateApplication(application *model.Application) error {
return d.gormdb.Save(application).Error
}
// GetApplicationByID returns the application with the given ID or nil.
func (d *Database) GetApplicationByID(ID uint) (*model.Application, error) {
var app model.Application
var application model.Application
err := d.gormdb.First(&app, ID).Error
err := d.gormdb.First(&application, ID).Error
if errors.Is(err, gorm.ErrRecordNotFound) {
return nil, err
}
return &app, err
assert.Assert(application.ID == ID)
return &application, err
}
// GetApplicationByToken returns the application with the given token or nil.
func (d *Database) GetApplicationByToken(token string) (*model.Application, error) {
var app model.Application
var application model.Application
err := d.gormdb.Where("token = ?", token).First(&app).Error
err := d.gormdb.Where("token = ?", token).First(&application).Error
if errors.Is(err, gorm.ErrRecordNotFound) {
return nil, err
}
return &app, err
assert.Assert(application.Token == token)
return &application, err
}

View file

@ -3,6 +3,7 @@ package database
import (
"errors"
"github.com/eikendev/pushbits/assert"
"github.com/eikendev/pushbits/model"
"gorm.io/gorm"
@ -24,6 +25,11 @@ func (d *Database) DeleteUser(user *model.User) error {
return d.gormdb.Delete(user).Error
}
// UpdateUser updates a user.
func (d *Database) UpdateUser(user *model.User) error {
return d.gormdb.Save(user).Error
}
// GetUserByID returns the user with the given ID or nil.
func (d *Database) GetUserByID(ID uint) (*model.User, error) {
var user model.User
@ -34,6 +40,8 @@ func (d *Database) GetUserByID(ID uint) (*model.User, error) {
return nil, err
}
assert.Assert(user.ID == ID)
return &user, err
}
@ -47,6 +55,8 @@ func (d *Database) GetUserByName(name string) (*model.User, error) {
return nil, err
}
assert.Assert(user.Name == name)
return &user, err
}

View file

@ -18,3 +18,9 @@ type CreateApplication struct {
type DeleteApplication struct {
ID uint `uri:"id"`
}
// UpdateApplication is used to process queries for updating applications.
type UpdateApplication struct {
ID uint `uri:"id" binding:"required"`
Name string `json:"name"`
}

View file

@ -71,3 +71,11 @@ func (u *User) IntoExternalUser() *ExternalUser {
type DeleteUser struct {
ID uint `uri:"id"`
}
// UpdateUser is used to process queries for updating users.
type UpdateUser struct {
ID uint `uri:"id" binding:"required"`
Name string `json:"name"`
IsAdmin bool `json:"is_admin"`
MatrixID string `json:"matrix_id"`
}

View file

@ -35,6 +35,7 @@ func Create(debug bool, db *database.Database, dp *dispatcher.Dispatcher) *gin.E
{
applicationGroup.POST("", applicationHandler.CreateApplication)
applicationGroup.DELETE("/:id", applicationHandler.DeleteApplication)
applicationGroup.PUT("/:id", applicationHandler.UpdateApplication)
}
r.POST("/message", auth.RequireApplicationToken(), notificationHandler.CreateNotification)
@ -44,6 +45,7 @@ func Create(debug bool, db *database.Database, dp *dispatcher.Dispatcher) *gin.E
{
userGroup.POST("", userHandler.CreateUser)
userGroup.DELETE("/:id", userHandler.DeleteUser)
userGroup.PUT("/:id", userHandler.UpdateUser)
}
return r