1
0
mirror of https://github.com/minio/mc.git synced 2025-11-12 01:02:26 +03:00
Files
mc/share.go

269 lines
7.0 KiB
Go
Raw Blame History

This file contains ambiguous Unicode characters
This file contains Unicode characters that might be confused with other characters. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.
/*
* Minio Client (C) 2014, 2015 Minio, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package main
import (
"encoding/json"
"os"
"path/filepath"
"strings"
"time"
"github.com/fatih/color"
"github.com/minio/mc/pkg/client"
"github.com/minio/mc/pkg/console"
"github.com/minio/minio-xl/pkg/probe"
"github.com/minio/minio-xl/pkg/quick"
)
func shareDataDirSetup() {
if !isSharedURLsDataDirExists() {
shareDir, err := getSharedURLsDataDir()
fatalIf(err.Trace(), "Unable to get shared URL data folder.")
fatalIf(createSharedURLsDataDir().Trace(), "Unable to create shared URL data folder "+shareDir+".")
}
if !isSharedURLsDataFileExists() {
shareFile, err := getSharedURLsDataFile()
fatalIf(err.Trace(), "Unable to get shared URL data file")
fatalIf(createSharedURLsDataFile().Trace(), "Unable to create shared URL data file "+shareFile+".")
}
}
// migrateSharedURLs migrate to newest version sequentially
func migrateSharedURLs() {
migrateSharedURLsV1ToV2()
migrateSharedURLsV2ToV3()
}
func migrateSharedURLsV1ToV2() {
if !isSharedURLsDataFileExists() {
return
}
// try to load latest version if possible
sURLsV2, err := loadSharedURLsV2()
if err != nil {
switch err.ToGoError().(type) {
case *json.UnmarshalTypeError:
// try to load V1 if possible
var sURLsV1 *sharedURLsV1
sURLsV1, err = loadSharedURLsV1()
fatalIf(err.Trace(), "Unable to load shared url version 1.0.0.")
if sURLsV1.Version != "1.0.0" {
fatalIf(errDummy().Trace(), "Invalid version loaded "+sURLsV1.Version+".")
}
sURLsV2 = newSharedURLsV2()
for key, value := range sURLsV1.URLs {
value.Message.Key = key
entry := struct {
Date time.Time
Message ShareMessageV2
}{
Date: value.Date,
Message: ShareMessageV2{
Expiry: value.Message.Expiry,
URL: value.Message.URL,
Key: value.Message.Key,
},
}
sURLsV2.URLs = append(sURLsV2.URLs, entry)
}
err = saveSharedURLsV2(sURLsV2)
fatalIf(err.Trace(), "Unable to save new shared url version 1.1.0.")
default:
fatalIf(err.Trace(), "Unable to load shared url version 1.1.0.")
}
}
}
func migrateSharedURLsV2ToV3() {
if !isSharedURLsDataFileExists() {
return
}
conffile, err := getSharedURLsDataFile()
if err != nil {
return
}
v3, err := quick.CheckVersion(conffile, "3")
if err != nil {
fatalIf(err.Trace(), "Unable to check version on share list file")
}
if v3 {
return
}
// try to load V2 if possible
sURLsV2, err := loadSharedURLsV2()
fatalIf(err.Trace(), "Unable to load shared url version 1.1.0.")
if sURLsV2.Version != "1.1.0" {
fatalIf(errDummy().Trace(), "Invalid version loaded "+sURLsV2.Version+".")
}
sURLsV3 := newSharedURLsV3()
for _, value := range sURLsV2.URLs {
entry := struct {
Date time.Time
Message ShareMessageV3
}{
Date: value.Date,
Message: ShareMessageV3{
Expiry: value.Message.Expiry,
DownloadURL: value.Message.URL,
Key: value.Message.Key,
},
}
sURLsV3.URLs = append(sURLsV3.URLs, entry)
}
err = saveSharedURLsV3(sURLsV3)
fatalIf(err.Trace(), "Unable to save new shared url version 1.2.0.")
}
func getSharedURLsDataDir() (string, *probe.Error) {
configDir, err := getMcConfigDir()
if err != nil {
return "", err.Trace()
}
sharedURLsDataDir := filepath.Join(configDir, globalSharedURLsDataDir)
return sharedURLsDataDir, nil
}
func isSharedURLsDataDirExists() bool {
shareDir, err := getSharedURLsDataDir()
fatalIf(err.Trace(), "Unable to determine share folder.")
if _, e := os.Stat(shareDir); e != nil {
return false
}
return true
}
func createSharedURLsDataDir() *probe.Error {
shareDir, err := getSharedURLsDataDir()
if err != nil {
return err.Trace()
}
if err := os.MkdirAll(shareDir, 0700); err != nil {
return probe.NewError(err)
}
return nil
}
func getSharedURLsDataFile() (string, *probe.Error) {
shareDir, err := getSharedURLsDataDir()
if err != nil {
return "", err.Trace()
}
shareFile := filepath.Join(shareDir, "urls.json")
return shareFile, nil
}
func isSharedURLsDataFileExists() bool {
shareFile, err := getSharedURLsDataFile()
fatalIf(err.Trace(), "Unable to determine share filename.")
if _, e := os.Stat(shareFile); e != nil {
return false
}
return true
}
func createSharedURLsDataFile() *probe.Error {
if err := saveSharedURLsV3(newSharedURLsV3()); err != nil {
return err.Trace()
}
return nil
}
func getNewTargetURL(targetParser *client.URL, name string) string {
match, _ := filepath.Match("*.s3*.amazonaws.com", targetParser.Host)
if match {
targetParser.Path = string(targetParser.Separator) + name
} else {
targetParser.Path = string(targetParser.Separator) + path2Bucket(targetParser) + string(targetParser.Separator) + name
}
return targetParser.String()
}
// this code is necessary since, share only operates on cloud storage URLs not filesystem
func path2Bucket(u *client.URL) (bucketName string) {
pathSplits := strings.SplitN(u.Path, "?", 2)
splits := strings.SplitN(pathSplits[0], string(u.Separator), 3)
switch len(splits) {
case 0, 1:
bucketName = ""
case 2:
bucketName = splits[1]
case 3:
bucketName = splits[1]
}
return bucketName
}
// this code is necessary since, share only operates on cloud storage URLs not filesystem
func isObjectKeyPresent(url string) bool {
u := client.NewURL(url)
path := u.Path
match, _ := filepath.Match("*.s3*.amazonaws.com", u.Host)
switch {
case match == true:
hostSplits := strings.SplitN(u.Host, ".", 2)
path = string(u.Separator) + hostSplits[0] + u.Path
}
pathSplits := strings.SplitN(path, "?", 2)
splits := strings.SplitN(pathSplits[0], string(u.Separator), 3)
switch len(splits) {
case 0, 1:
return false
case 2:
return false
case 3:
if splits[2] == "" {
return false
}
return true
}
return false
}
func setSharePalette(style string) {
console.SetCustomPalette(map[string]*color.Color{
"Share": color.New(color.FgGreen, color.Bold),
"Expires": color.New(color.FgRed, color.Bold),
"URL": color.New(color.FgCyan, color.Bold),
"File": color.New(color.FgRed, color.Bold),
})
if style == "light" {
console.SetCustomPalette(map[string]*color.Color{
"Share": color.New(color.FgWhite, color.Bold),
"Expires": color.New(color.FgWhite, color.Bold),
"URL": color.New(color.FgWhite, color.Bold),
"File": color.New(color.FgWhite, color.Bold),
})
return
}
/// Add more styles here
if style == "nocolor" {
// All coloring options exhausted, setting nocolor safely
console.SetNoColor()
}
}