Ejemplo n.º 1
0
// API function to get user settings
func getApiUserHandler(w http.ResponseWriter, r *http.Request, params map[string]string) {
	userName := authentication.GetUserName(r)
	if userName != "" {
		userId, err := getUserId(userName)
		if err != nil {
			http.Error(w, err.Error(), http.StatusInternalServerError)
			return
		}
		id := params["id"]
		userIdToGet, err := strconv.ParseInt(id, 10, 64)
		if err != nil || userIdToGet < 1 {
			http.Error(w, err.Error(), http.StatusInternalServerError)
			return
		} else if userIdToGet != userId { // Make sure the authenticated user is only accessing his/her own data. TODO: Make sure the user is admin when multiple users have been introduced
			http.Error(w, "You don't have permission to access this data.", http.StatusForbidden)
			return
		}
		user, err := database.RetrieveUser(userIdToGet)
		if err != nil {
			http.Error(w, err.Error(), http.StatusInternalServerError)
			return
		}
		userRole, err := getUserRole(userName)
		if err != nil {
			http.Error(w, err.Error(), http.StatusInternalServerError)
			return
		}
		user.Role = userRole
		userJson := userToJson(user)
		json, err := json.Marshal(userJson)
		if err != nil {
			http.Error(w, err.Error(), http.StatusInternalServerError)
			return
		}
		w.Header().Set("Content-Type", "application/json")
		w.Write(json)
		return
	} else {
		http.Error(w, "Not logged in!", http.StatusInternalServerError)
		return
	}
}
Ejemplo n.º 2
0
// API function to patch user settings
func patchApiUserHandler(w http.ResponseWriter, r *http.Request, _ map[string]string) {
	userName := authentication.GetUserName(r)
	if userName != "" {
		userId, err := getUserId(userName)
		if err != nil {
			http.Error(w, err.Error(), http.StatusInternalServerError)
			return
		}
		decoder := json.NewDecoder(r.Body)
		var json JsonUser
		err = decoder.Decode(&json)
		if err != nil {
			http.Error(w, err.Error(), http.StatusInternalServerError)
			return
		}
		// Make sure user id is over 0
		if json.Id < 1 {
			http.Error(w, "Wrong user id.", http.StatusInternalServerError)
			return
		} else if userId != json.Id { // Make sure the authenticated user is only changing his/her own data. TODO: Make sure the user is admin when multiple users have been introduced
			http.Error(w, "You don't have permission to change this data.", http.StatusInternalServerError)
			return
		}
		// Get old user data to compare
		tempUser, err := database.RetrieveUser(json.Id)
		if err != nil {
			http.Error(w, err.Error(), http.StatusInternalServerError)
			return
		}
		// Make sure user email is provided
		if json.Email == "" {
			json.Email = string(tempUser.Email)
		}
		// Make sure user name is provided
		if json.Name == "" {
			json.Name = string(tempUser.Name)
		}
		// Make sure user slug is provided
		if json.Slug == "" {
			json.Slug = tempUser.Slug
		}
		// Check if new name is already taken
		if json.Name != string(tempUser.Name) {
			_, err = database.RetrieveUserByName([]byte(json.Name))
			if err == nil {
				// The new user name is already taken. Assign the old name.
				// TODO: Return error that will be displayed in the admin interface.
				json.Name = string(tempUser.Name)
			}
		}
		// Check if new slug is already taken
		if json.Slug != tempUser.Slug {
			_, err = database.RetrieveUserBySlug(json.Slug)
			if err == nil {
				// The new user slug is already taken. Assign the old slug.
				// TODO: Return error that will be displayed in the admin interface.
				json.Slug = tempUser.Slug
			}
		}
		user := structure.User{Id: json.Id, Name: []byte(json.Name), Slug: json.Slug, Email: []byte(json.Email), Image: []byte(json.Image), Cover: []byte(json.Cover), Bio: []byte(json.Bio), Website: []byte(json.Website), Location: []byte(json.Location)}
		err = methods.UpdateUser(&user, userId)
		if err != nil {
			http.Error(w, err.Error(), http.StatusInternalServerError)
			return
		}
		if json.Password != "" && (json.Password == json.PasswordRepeated) { // Update password if a new one was submitted
			encryptedPassword, err := authentication.EncryptPassword(json.Password)
			if err != nil {
				http.Error(w, err.Error(), http.StatusInternalServerError)
				return
			}
			err = database.UpdateUserPassword(user.Id, encryptedPassword, time.Now(), json.Id)
			if err != nil {
				http.Error(w, err.Error(), http.StatusInternalServerError)
				return
			}
		}
		// Check if the user name was changed. If so, update the session cookie to the new user name.
		if json.Name != string(tempUser.Name) {
			logInUser(json.Name, w)
		}
		w.WriteHeader(http.StatusOK)
		w.Write([]byte("User settings updated!"))
		return
	} else {
		http.Error(w, "Not logged in!", http.StatusInternalServerError)
		return
	}
}
Ejemplo n.º 3
0
// API function to add and remove post authors
func putApiPostAuthorsHandler(w http.ResponseWriter,
	r *http.Request,
	params map[string]string) {
	userName := authentication.GetUserName(r)
	if userName != "" {
		userId, err := getUserId(userName)
		if err != nil {
			http.Error(w, err.Error(), http.StatusInternalServerError)
			return
		}
		userRole, err := getUserRole(userName)
		if err != nil {
			http.Error(w, err.Error(), http.StatusInternalServerError)
			return
		}
		post_id := params["id"]
		postId, err := strconv.ParseInt(post_id, 10, 64)
		if err != nil || postId < 1 {
			http.Error(w, err.Error(), http.StatusInternalServerError)
			return
		}
		// Check the post for existence (there's no foreign key constraint)
		post, err := database.RetrievePostById(postId)
		if err != nil {
			http.Error(w, err.Error(), http.StatusInternalServerError)
			return
		}
		// Allow this action only to the main author
		if post.Author.Id != userId && userRole != 4 {
			http.Error(w, "Not your post", http.StatusInternalServerError)
			return
		}
		decoder := json.NewDecoder(r.Body)
		var json JsonChangePostAuthors
		err = decoder.Decode(&json)
		if err != nil {
			http.Error(w, err.Error(), http.StatusInternalServerError)
			return
		}
		delete_author_ids := json.Delete
		add_author_ids := json.Add
		var existing_authors []structure.User
		existing_authors, err = database.RetrieveAuthors(postId)
		if err != nil {
			http.Error(w, err.Error(), http.StatusInternalServerError)
			return
		}
		// Delete users
		for _, author_id := range delete_author_ids {
			err = database.DeletePostAuthor(postId, author_id)
			// Don't even check for errors
		}
		// Filter out ones who is already listed as author
		for _, author_id := range add_author_ids {
			author_exists := false
			for _, author := range existing_authors {
				if author.Id == author_id {
					author_exists = true
					break
				}
			}
			if !author_exists {
				_, err = database.RetrieveUser(author_id)
				if err == nil { // Verify that this user exists in DB
					// and save him
					_ = database.InsertPostAuthor(int(postId), author_id)
				}
			}
		}
		w.WriteHeader(http.StatusOK)
		w.Write([]byte("Authors added!"))
		return
	} else {
		http.Error(w, "Not logged in!", http.StatusInternalServerError)
		return
	}
}