forked from vikunja/vikunja
konrad
e4f150bbe3
Add waiting for changes to config file Add max size for config files Restore files Restore database file Expose migrate to Move init stuff to seperate package Add restoring config file Co-authored-by: kolaente <k@knt.li> Reviewed-on: vikunja/api#593
121 lines
3.3 KiB
Go
121 lines
3.3 KiB
Go
// Vikunja is a to-do list application to facilitate your life.
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// Copyright 2018-2020 Vikunja and contributors. All rights reserved.
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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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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//
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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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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program. If not, see <https://www.gnu.org/licenses/>.
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package files
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import (
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"code.vikunja.io/api/pkg/config"
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"code.vikunja.io/api/pkg/timeutil"
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"code.vikunja.io/web"
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"github.com/c2h5oh/datasize"
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"github.com/spf13/afero"
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"io"
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"strconv"
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"time"
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)
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// File holds all information about a file
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type File struct {
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ID int64 `xorm:"int(11) autoincr not null unique pk" json:"id"`
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Name string `xorm:"text not null" json:"name"`
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Mime string `xorm:"text null" json:"mime"`
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Size uint64 `xorm:"int(11) not null" json:"size"`
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Created time.Time `xorm:"-" json:"created"`
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CreatedUnix timeutil.TimeStamp `xorm:"created" json:"-"`
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CreatedByID int64 `xorm:"int(11) not null" json:"-"`
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File afero.File `xorm:"-" json:"-"`
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// This ReadCloser is only used for migration purposes. Use with care!
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// There is currentlc no better way of doing this.
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FileContent []byte `xorm:"-" json:"-"`
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}
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// TableName is the table name for the files table
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func (File) TableName() string {
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return "files"
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}
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func (f *File) getFileName() string {
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return config.FilesBasePath.GetString() + "/" + strconv.FormatInt(f.ID, 10)
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}
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// LoadFileByID returns a file by its ID
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func (f *File) LoadFileByID() (err error) {
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f.File, err = afs.Open(f.getFileName())
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return
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}
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// LoadFileMetaByID loads everything about a file without loading the actual file
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func (f *File) LoadFileMetaByID() (err error) {
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exists, err := x.Where("id = ?", f.ID).Get(f)
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if !exists {
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return ErrFileDoesNotExist{FileID: f.ID}
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}
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f.Created = f.CreatedUnix.ToTime()
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return
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}
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// Create creates a new file from an FileHeader
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func Create(f io.ReadCloser, realname string, realsize uint64, a web.Auth) (file *File, err error) {
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// Get and parse the configured file size
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var maxSize datasize.ByteSize
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err = maxSize.UnmarshalText([]byte(config.FilesMaxSize.GetString()))
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if err != nil {
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return nil, err
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}
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if realsize > maxSize.Bytes() {
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return nil, ErrFileIsTooLarge{Size: realsize}
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}
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// We first insert the file into the db to get it's ID
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file = &File{
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Name: realname,
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Size: realsize,
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CreatedByID: a.GetID(),
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}
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_, err = x.Insert(file)
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if err != nil {
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return
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}
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// Save the file to storage with its new ID as path
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err = file.Save(f)
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return
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}
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// Delete removes a file from the DB and the file system
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func (f *File) Delete() (err error) {
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deleted, err := x.Where("id = ?", f.ID).Delete(f)
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if err != nil {
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return err
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}
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if deleted == 0 {
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return ErrFileDoesNotExist{FileID: f.ID}
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}
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err = afs.Remove(f.getFileName())
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return
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}
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// Save saves a file to storage
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func (f *File) Save(fcontent io.ReadCloser) error {
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return afs.WriteReader(f.getFileName(), fcontent)
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}
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