2020-02-07 17:27:45 +01:00
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// Vikunja is a to-do list application to facilitate your life.
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2020-01-09 18:33:22 +01:00
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// Copyright 2018-2020 Vikunja and contributors. All rights reserved.
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2019-05-22 19:48:48 +02:00
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//
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2019-12-04 20:39:56 +01:00
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// This program is free software: you can redistribute it and/or modify
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2020-12-23 16:41:52 +01:00
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// it under the terms of the GNU Affero General Public Licensee as published by
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2019-12-04 20:39:56 +01:00
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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2019-05-22 19:48:48 +02:00
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//
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2019-12-04 20:39:56 +01:00
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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2020-12-23 16:41:52 +01:00
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// GNU Affero General Public Licensee for more details.
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2019-05-22 19:48:48 +02:00
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//
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2020-12-23 16:41:52 +01:00
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// You should have received a copy of the GNU Affero General Public Licensee
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2019-12-04 20:39:56 +01:00
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// along with this program. If not, see <https://www.gnu.org/licenses/>.
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2019-05-22 19:48:48 +02:00
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package caldav
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import (
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"bytes"
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2020-10-11 22:10:03 +02:00
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"fmt"
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"io/ioutil"
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"reflect"
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"strconv"
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"strings"
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2019-05-22 19:48:48 +02:00
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"code.vikunja.io/api/pkg/log"
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"code.vikunja.io/api/pkg/models"
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2020-01-26 18:08:06 +01:00
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"code.vikunja.io/api/pkg/user"
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2019-05-22 19:48:48 +02:00
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"code.vikunja.io/web/handler"
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"github.com/labstack/echo/v4"
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"github.com/samedi/caldav-go"
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"github.com/samedi/caldav-go/lib"
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)
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2020-04-01 22:51:57 +02:00
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func getBasicAuthUserFromContext(c echo.Context) (*user.User, error) {
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u, is := c.Get("userBasicAuth").(*user.User)
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2019-05-22 19:48:48 +02:00
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if !is {
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2020-04-01 22:51:57 +02:00
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return &user.User{}, fmt.Errorf("user is not user element, is %s", reflect.TypeOf(c.Get("userBasicAuth")))
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2019-05-22 19:48:48 +02:00
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}
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return u, nil
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}
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// ListHandler returns all tasks from a list
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func ListHandler(c echo.Context) error {
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listID, err := getIntParam(c, "list")
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if err != nil {
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return err
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}
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u, err := getBasicAuthUserFromContext(c)
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if err != nil {
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2019-07-20 20:12:10 +02:00
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log.Error(err)
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2019-05-22 19:48:48 +02:00
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return echo.ErrInternalServerError
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}
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storage := &VikunjaCaldavListStorage{
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list: &models.List{ID: listID},
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2020-04-01 22:51:57 +02:00
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user: u,
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2019-05-22 19:48:48 +02:00
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}
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// Try to parse a task from the request payload
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body, _ := ioutil.ReadAll(c.Request().Body)
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// Restore the io.ReadCloser to its original state
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c.Request().Body = ioutil.NopCloser(bytes.NewBuffer(body))
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// Parse it
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vtodo := string(body)
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if vtodo != "" && strings.HasPrefix(vtodo, `BEGIN:VCALENDAR`) {
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storage.task, err = parseTaskFromVTODO(vtodo)
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if err != nil {
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2019-07-20 20:12:10 +02:00
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log.Error(err)
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2019-05-22 19:48:48 +02:00
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return echo.ErrInternalServerError
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}
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}
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2019-07-20 20:12:10 +02:00
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log.Debugf("[CALDAV] Request Body: %v\n", string(body))
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log.Debugf("[CALDAV] Request Headers: %v\n", c.Request().Header)
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2019-05-22 19:48:48 +02:00
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caldav.SetupStorage(storage)
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caldav.SetupUser("dav/lists")
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caldav.SetupSupportedComponents([]string{lib.VCALENDAR, lib.VTODO})
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response := caldav.HandleRequest(c.Request())
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response.Write(c.Response())
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return nil
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}
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// TaskHandler is the handler which manages updating/deleting a single task
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func TaskHandler(c echo.Context) error {
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listID, err := getIntParam(c, "list")
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if err != nil {
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return err
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}
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u, err := getBasicAuthUserFromContext(c)
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if err != nil {
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2019-07-20 20:12:10 +02:00
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log.Error(err)
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2019-05-22 19:48:48 +02:00
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return echo.ErrInternalServerError
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}
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// Get the task uid
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taskUID := strings.TrimSuffix(c.Param("task"), ".ics")
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storage := &VikunjaCaldavListStorage{
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list: &models.List{ID: listID},
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2019-08-14 22:19:04 +02:00
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task: &models.Task{UID: taskUID},
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2020-04-01 22:51:57 +02:00
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user: u,
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2019-05-22 19:48:48 +02:00
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}
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caldav.SetupStorage(storage)
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response := caldav.HandleRequest(c.Request())
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response.Write(c.Response())
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return nil
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}
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// PrincipalHandler handles all request to principal resources
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func PrincipalHandler(c echo.Context) error {
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u, err := getBasicAuthUserFromContext(c)
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if err != nil {
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2019-07-20 20:12:10 +02:00
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log.Error(err)
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2019-05-22 19:48:48 +02:00
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return echo.ErrInternalServerError
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}
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storage := &VikunjaCaldavListStorage{
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2020-04-01 22:51:57 +02:00
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user: u,
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2019-05-22 19:48:48 +02:00
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isPrincipal: true,
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}
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// Try to parse a task from the request payload
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body, _ := ioutil.ReadAll(c.Request().Body)
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// Restore the io.ReadCloser to its original state
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c.Request().Body = ioutil.NopCloser(bytes.NewBuffer(body))
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2019-07-20 20:12:10 +02:00
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log.Debugf("[CALDAV] Request Body: %v\n", string(body))
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log.Debugf("[CALDAV] Request Headers: %v\n", c.Request().Header)
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2019-05-22 19:48:48 +02:00
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caldav.SetupStorage(storage)
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caldav.SetupUser("dav/principals/" + u.Username)
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caldav.SetupSupportedComponents([]string{lib.VCALENDAR, lib.VTODO})
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response := caldav.HandleRequest(c.Request())
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response.Write(c.Response())
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return nil
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}
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// EntryHandler handles all request to principal resources
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func EntryHandler(c echo.Context) error {
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u, err := getBasicAuthUserFromContext(c)
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if err != nil {
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2019-07-20 20:12:10 +02:00
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log.Error(err)
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2019-05-22 19:48:48 +02:00
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return echo.ErrInternalServerError
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}
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storage := &VikunjaCaldavListStorage{
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2020-04-01 22:51:57 +02:00
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user: u,
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2019-05-22 19:48:48 +02:00
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isEntry: true,
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}
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// Try to parse a task from the request payload
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body, _ := ioutil.ReadAll(c.Request().Body)
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// Restore the io.ReadCloser to its original state
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c.Request().Body = ioutil.NopCloser(bytes.NewBuffer(body))
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2019-07-20 20:12:10 +02:00
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log.Debugf("[CALDAV] Request Body: %v\n", string(body))
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log.Debugf("[CALDAV] Request Headers: %v\n", c.Request().Header)
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2019-05-22 19:48:48 +02:00
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caldav.SetupStorage(storage)
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caldav.SetupUser("dav/principals/" + u.Username)
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caldav.SetupSupportedComponents([]string{lib.VCALENDAR, lib.VTODO})
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response := caldav.HandleRequest(c.Request())
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response.Write(c.Response())
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return nil
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}
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func getIntParam(c echo.Context, paramName string) (intParam int64, err error) {
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param := c.Param(paramName)
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if param == "" {
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return 0, nil
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}
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intParam, err = strconv.ParseInt(param, 10, 64)
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if err != nil {
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return 0, handler.HandleHTTPError(err, c)
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}
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return
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}
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