vikunja-api/pkg/routes/api/v1/task_attachment.go

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// Vikunja is a todo-list application to facilitate your life.
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// Copyright 2018-2020 Vikunja and contributors. All rights reserved.
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//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
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//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
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//
// You should have received a copy of the GNU General Public License
// along with this program. If not, see <https://www.gnu.org/licenses/>.
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package v1
import (
"code.vikunja.io/api/pkg/models"
user2 "code.vikunja.io/api/pkg/user"
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"code.vikunja.io/web/handler"
"github.com/labstack/echo/v4"
"net/http"
)
// UploadTaskAttachment handles everything needed for the upload of a task attachment
// @Summary Upload a task attachment
// @Description Upload a task attachment. You can pass multiple files with the files form param.
// @tags task
// @Accept mpfd
// @Produce json
// @Param id path int true "Task ID"
// @Param files formData string true "The file, as multipart form file. You can pass multiple."
// @Security JWTKeyAuth
// @Success 200 {object} models.Message "Attachments were uploaded successfully."
// @Failure 403 {object} models.Message "No access to the task."
// @Failure 404 {object} models.Message "The task does not exist."
// @Failure 500 {object} models.Message "Internal error"
// @Router /tasks/{id}/attachments [put]
func UploadTaskAttachment(c echo.Context) error {
var taskAttachment models.TaskAttachment
if err := c.Bind(&taskAttachment); err != nil {
return echo.NewHTTPError(http.StatusBadRequest, "No task ID provided")
}
// Rights check
user, err := user2.GetCurrentUser(c)
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if err != nil {
return handler.HandleHTTPError(err, c)
}
can, err := taskAttachment.CanCreate(user)
if err != nil {
return handler.HandleHTTPError(err, c)
}
if !can {
return echo.ErrForbidden
}
// Multipart form
form, err := c.MultipartForm()
if err != nil {
return handler.HandleHTTPError(err, c)
}
type result struct {
Errors []*echo.HTTPError `json:"errors"`
Success []*models.TaskAttachment `json:"success"`
}
r := &result{}
fileHeaders := form.File["files"]
for _, file := range fileHeaders {
// We create a new attachment object here to have a clean start
ta := &models.TaskAttachment{
TaskID: taskAttachment.TaskID,
}
f, err := file.Open()
if err != nil {
r.Errors = append(r.Errors, handler.HandleHTTPError(err, c))
continue
}
defer f.Close()
err = ta.NewAttachment(f, file.Filename, uint64(file.Size), user)
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if err != nil {
r.Errors = append(r.Errors, handler.HandleHTTPError(err, c))
continue
}
r.Success = append(r.Success, ta)
}
return c.JSON(http.StatusOK, r)
}
// GetTaskAttachment returns a task attachment to download for the user
// @Summary Get one attachment.
// @Description Get one attachment for download. **Returns json on error.**
// @tags task
// @Produce octet-stream
// @Param id path int true "Task ID"
// @Param attachmentID path int true "Attachment ID"
// @Security JWTKeyAuth
// @Success 200 {} string "The attachment file."
// @Failure 403 {object} models.Message "No access to this task."
// @Failure 404 {object} models.Message "The task does not exist."
// @Failure 500 {object} models.Message "Internal error"
// @Router /tasks/{id}/attachments/{attachmentID} [get]
func GetTaskAttachment(c echo.Context) error {
var taskAttachment models.TaskAttachment
if err := c.Bind(&taskAttachment); err != nil {
return echo.NewHTTPError(http.StatusBadRequest, "No task ID provided")
}
// Rights check
user, err := user2.GetCurrentUser(c)
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if err != nil {
return handler.HandleHTTPError(err, c)
}
can, err := taskAttachment.CanRead(user)
if err != nil {
return handler.HandleHTTPError(err, c)
}
if !can {
return echo.ErrForbidden
}
// Get the attachment incl file
err = taskAttachment.ReadOne()
if err != nil {
return handler.HandleHTTPError(err, c)
}
// Open an send the file to the client
err = taskAttachment.File.LoadFileByID()
if err != nil {
return handler.HandleHTTPError(err, c)
}
http.ServeContent(c.Response(), c.Request(), taskAttachment.File.Name, taskAttachment.File.Created, taskAttachment.File.File)
return nil
}