v2.0.0.0000

This commit is contained in:
marmei
2019-08-02 20:12:09 +02:00
parent e396af91cb
commit e001b06b62
85 changed files with 22786 additions and 2 deletions

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@@ -0,0 +1,592 @@
package authentication
import (
"encoding/json"
"errors"
"io/ioutil"
"net/http"
"os"
"path/filepath"
"crypto/hmac"
"crypto/rand"
"crypto/sha256"
"encoding/base64"
"time"
//"fmt"
//"log"
)
const tokenLength = 40
const saltLength = 20
const idLength = 10
var tokenValidity int
var database string
var databaseFile = "authentication.json"
var data = make(map[string]interface{})
var tokens = make(map[string]interface{})
var initAuthentication = false
// Cookie : cookie
type Cookie struct {
Name string
Value string
Path string
Domain string
Expires time.Time
RawExpires string
}
// Framework examples
/*
func main() {
var err error
var checkErr = func(err error) {
log.Println(err)
os.Exit(0)
}
err = Init("", 10) // Path to save the data, Validity of tokens in minutes | (error)
if err != nil {
checkErr(err)
}
err = CreateDefaultUser("admin", "123")
if err != nil {
checkErr(err)
}
err = CreateNewUser("xteve", "xteve") // Username, Password | (error)
if err != nil {
checkErr(err)
}
err, token := UserAuthentication("xteve", "xteve") // Username, Password | (error, token)
if err != nil {
checkErr(err)
} else {
fmt.Println("UserAuthentication()")
fmt.Println("Token:", token)
fmt.Println("---")
}
err, newToken := CheckTheValidityOfTheToken(token) // Current token | (error, new token)
if err != nil {
checkErr(err)
} else {
fmt.Println("CheckTheValidityOfTheToken()")
fmt.Println("New Token:", newToken)
fmt.Println("---")
}
err, userID := GetUserID(newToken) // Current token | (error, user id)
if err != nil {
checkErr(err)
} else {
fmt.Println("GetUserID()")
fmt.Println("User ID:", userID)
fmt.Println("---")
}
var userData = make(map[string]interface{})
userData["type"] = "Administrator"
err = WriteUserData(userID, userData) // User id, user data | (error)
if err != nil {
checkErr(err)
}
err, userData = ReadUserData(userID) // User id | (error, userData)
if err != nil {
checkErr(err)
} else {
fmt.Println("ReadUserData()")
fmt.Println("User data:", userData)
fmt.Println("---")
}
err = RemoveUser(userID)
if err != nil {
checkErr(err)
}
}
*/
// Init : databasePath = Path to authentication.json
func Init(databasePath string, validity int) (err error) {
database = filepath.Dir(databasePath) + string(os.PathSeparator) + databaseFile
// Check if the database already exists
if _, err = os.Stat(database); os.IsNotExist(err) {
// Create an empty database
var defaults = make(map[string]interface{})
defaults["dbVersion"] = "1.0"
defaults["hash"] = "sha256"
defaults["users"] = make(map[string]interface{})
if saveDatabase(defaults) != nil {
return
}
}
// Loading the database
err = loadDatabase()
// Set Token Validity
tokenValidity = validity
initAuthentication = true
return
}
// CreateDefaultUser = created efault user
func CreateDefaultUser(username, password string) (err error) {
err = checkInit()
if err != nil {
return
}
var users = data["users"].(map[string]interface{})
// Check if the default user exists
if len(users) > 0 {
err = createError(001)
return
}
var defaults = defaultsForNewUser(username, password)
users[defaults["_id"].(string)] = defaults
saveDatabase(data)
return
}
// CreateNewUser : create new user
func CreateNewUser(username, password string) (userID string, err error) {
err = checkInit()
if err != nil {
return
}
var checkIfTheUserAlreadyExists = func(username string, userData map[string]interface{}) (err error) {
var salt = userData["_salt"].(string)
var loginUsername = userData["_username"].(string)
if SHA256(username, salt) == loginUsername {
err = createError(020)
}
return
}
var users = data["users"].(map[string]interface{})
for _, userData := range users {
err = checkIfTheUserAlreadyExists(username, userData.(map[string]interface{}))
if err != nil {
return
}
}
var defaults = defaultsForNewUser(username, password)
userID = defaults["_id"].(string)
users[userID] = defaults
saveDatabase(data)
return
}
// UserAuthentication : user authentication
func UserAuthentication(username, password string) (token string, err error) {
err = checkInit()
if err != nil {
return
}
var login = func(username, password string, loginData map[string]interface{}) (err error) {
err = createError(010)
var salt = loginData["_salt"].(string)
var loginUsername = loginData["_username"].(string)
var loginPassword = loginData["_password"].(string)
if SHA256(username, salt) == loginUsername {
if SHA256(password, salt) == loginPassword {
err = nil
}
}
return
}
var users = data["users"].(map[string]interface{})
for id, loginData := range users {
err = login(username, password, loginData.(map[string]interface{}))
if err == nil {
token = setToken(id, "-")
return
}
}
return
}
// CheckTheValidityOfTheToken : check token
func CheckTheValidityOfTheToken(token string) (newToken string, err error) {
err = checkInit()
if err != nil {
return
}
err = createError(011)
if v, ok := tokens[token]; ok {
var expires = v.(map[string]interface{})["expires"].(time.Time)
var userID = v.(map[string]interface{})["id"].(string)
if expires.Sub(time.Now().Local()) < 0 {
return
}
newToken = setToken(userID, token)
err = nil
} else {
return
}
return
}
// GetUserID : get user ID
func GetUserID(token string) (userID string, err error) {
err = checkInit()
if err != nil {
return
}
err = createError(002)
if v, ok := tokens[token]; ok {
var expires = v.(map[string]interface{})["expires"].(time.Time)
userID = v.(map[string]interface{})["id"].(string)
if expires.Sub(time.Now().Local()) < 0 {
return
}
err = nil
}
return
}
// WriteUserData : save user date
func WriteUserData(userID string, userData map[string]interface{}) (err error) {
err = checkInit()
if err != nil {
return
}
err = createError(030)
if v, ok := data["users"].(map[string]interface{})[userID].(map[string]interface{}); ok {
v["data"] = userData
err = saveDatabase(data)
} else {
return
}
return
}
// ReadUserData : load user date
func ReadUserData(userID string) (userData map[string]interface{}, err error) {
err = checkInit()
if err != nil {
return
}
err = createError(031)
if v, ok := data["users"].(map[string]interface{})[userID].(map[string]interface{}); ok {
userData = v["data"].(map[string]interface{})
err = nil
return
}
return
}
// RemoveUser : remove user
func RemoveUser(userID string) (err error) {
err = checkInit()
if err != nil {
return
}
err = createError(032)
if _, ok := data["users"].(map[string]interface{})[userID]; ok {
delete(data["users"].(map[string]interface{}), userID)
err = saveDatabase(data)
return
}
return
}
// SetDefaultUserData : set default user data
func SetDefaultUserData(defaults map[string]interface{}) (err error) {
allUserData, err := GetAllUserData()
for _, d := range allUserData {
var data = d.(map[string]interface{})["data"].(map[string]interface{})
var userID = d.(map[string]interface{})["_id"].(string)
for k, v := range defaults {
if _, ok := data[k]; ok {
// Key exist
} else {
data[k] = v
}
}
err = WriteUserData(userID, data)
}
return
}
// ChangeCredentials : change credentials
func ChangeCredentials(userID, username, password string) (err error) {
err = checkInit()
if err != nil {
return
}
err = createError(032)
if userData, ok := data["users"].(map[string]interface{})[userID]; ok {
//var userData = tmp.(map[string]interface{})
var salt = userData.(map[string]interface{})["_salt"].(string)
if len(username) > 0 {
userData.(map[string]interface{})["_username"] = SHA256(username, salt)
}
if len(password) > 0 {
userData.(map[string]interface{})["_password"] = SHA256(password, salt)
}
err = saveDatabase(data)
}
return
}
// GetAllUserData : get all user data
func GetAllUserData() (allUserData map[string]interface{}, err error) {
err = checkInit()
if err != nil {
return
}
if len(data) == 0 {
var defaults = make(map[string]interface{})
defaults["dbVersion"] = "1.0"
defaults["hash"] = "sha256"
defaults["users"] = make(map[string]interface{})
saveDatabase(defaults)
data = defaults
}
allUserData = data["users"].(map[string]interface{})
return
}
// CheckTheValidityOfTheTokenFromHTTPHeader : get token from HTTP header
func CheckTheValidityOfTheTokenFromHTTPHeader(w http.ResponseWriter, r *http.Request) (writer http.ResponseWriter, newToken string, err error) {
err = createError(011)
for _, cookie := range r.Cookies() {
if cookie.Name == "Token" {
var token string
token, err = CheckTheValidityOfTheToken(cookie.Value)
//fmt.Println("T", token, err)
writer = SetCookieToken(w, token)
newToken = token
}
}
//fmt.Println(err)
return
}
// Framework tools
func checkInit() (err error) {
if initAuthentication == false {
err = createError(000)
}
return
}
func saveDatabase(tmpMap interface{}) (err error) {
jsonString, err := json.MarshalIndent(tmpMap, "", " ")
if err != nil {
return
}
err = ioutil.WriteFile(database, []byte(jsonString), 0600)
if err != nil {
return
}
return
}
func loadDatabase() (err error) {
jsonString, err := ioutil.ReadFile(database)
if err != nil {
return
}
err = json.Unmarshal([]byte(jsonString), &data)
if err != nil {
return
}
return
}
// SHA256 : password + salt = sha256 string
func SHA256(secret, salt string) string {
key := []byte(secret)
h := hmac.New(sha256.New, key)
h.Write([]byte("_remote_db"))
return base64.StdEncoding.EncodeToString(h.Sum(nil))
}
func randomString(n int) string {
const alphanum = "-AbCdEfGhIjKlMnOpQrStUvWxYz0123456789aBcDeFgHiJkLmNoPqRsTuVwXyZ_"
var bytes = make([]byte, n)
rand.Read(bytes)
for i, b := range bytes {
bytes[i] = alphanum[b%byte(len(alphanum))]
}
return string(bytes)
}
func randomID(n int) string {
const alphanum = "ABCDEFGHJKLMNOPQRSTUVWXYZ0123456789"
var bytes = make([]byte, n)
rand.Read(bytes)
for i, b := range bytes {
bytes[i] = alphanum[b%byte(len(alphanum))]
}
return string(bytes)
}
func createError(errCode int) (err error) {
var errMsg string
switch errCode {
case 000:
errMsg = "Authentication has not yet been initialized"
case 001:
errMsg = "Default user already exists"
case 002:
errMsg = "No user id found for this token"
case 010:
errMsg = "User authentication failed"
case 011:
errMsg = "Session has expired"
case 020:
errMsg = "User already exists"
case 030:
errMsg = "User data could not be saved"
case 031:
errMsg = "User data could not be read"
case 032:
errMsg = "User ID was not found"
}
err = errors.New(errMsg)
return
}
func defaultsForNewUser(username, password string) map[string]interface{} {
var defaults = make(map[string]interface{})
var salt = randomString(saltLength)
defaults["_username"] = SHA256(username, salt)
defaults["_password"] = SHA256(password, salt)
defaults["_salt"] = salt
defaults["_id"] = "id-" + randomID(idLength)
//defaults["_one.time.token"] = randomString(tokenLength)
defaults["data"] = make(map[string]interface{})
return defaults
}
func setToken(id, oldToken string) (newToken string) {
delete(tokens, oldToken)
loopToken:
newToken = randomString(tokenLength)
if _, ok := tokens[newToken]; ok {
goto loopToken
}
var tmp = make(map[string]interface{})
tmp["id"] = id
tmp["expires"] = time.Now().Local().Add(time.Minute * time.Duration(tokenValidity))
tokens[newToken] = tmp
return
}
func mapToJSON(tmpMap interface{}) string {
jsonString, err := json.MarshalIndent(tmpMap, "", " ")
if err != nil {
return "{}"
}
return string(jsonString)
}
// SetCookieToken : set cookie
func SetCookieToken(w http.ResponseWriter, token string) http.ResponseWriter {
expiration := time.Now().Add(time.Minute * time.Duration(tokenValidity))
cookie := http.Cookie{Name: "Token", Value: token, Expires: expiration}
http.SetCookie(w, &cookie)
return w
}

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@@ -0,0 +1,84 @@
package m3u
import (
"encoding/json"
"fmt"
"io/ioutil"
"log"
"testing"
)
type M3UStream struct {
GroupTitle string `json:"group-title,required"`
Name string `json:"name,required"`
TvgID string `json:"tvg-id,required"`
TvgLogo string `json:"tvg-logo,required"`
TvgName string `json:"tvg-name,required"`
URL string `json:"url,required"`
UUIDKey string `json:"_uuid.key,omitempty"`
UUIDValue string `json:"_uuid.value,omitempty"`
}
func TestStream1(t *testing.T) {
var file = "test_list_1.m3u"
var content, err = ioutil.ReadFile(file)
if err != nil {
t.Error(err)
return
}
streams, err := MakeInterfaceFromM3U(content)
if err != nil {
t.Error(err)
}
err = checkStream(streams)
if err != nil {
t.Error(err)
}
fmt.Println("Streams:", len(streams))
t.Log(streams)
}
func checkStream(streamInterface []interface{}) (err error) {
for i, s := range streamInterface {
var stream = s.(map[string]string)
var m3uStream M3UStream
jsonString, err := json.MarshalIndent(stream, "", " ")
if err == nil {
err = json.Unmarshal(jsonString, &m3uStream)
if err == nil {
log.Print(fmt.Sprintf("Stream: %d", i))
log.Print(fmt.Sprintf("Name*: %s", m3uStream.Name))
log.Print(fmt.Sprintf("URL*: %s", m3uStream.URL))
log.Print(fmt.Sprintf("tvg-name: %s", m3uStream.TvgName))
log.Print(fmt.Sprintf("tvg-id**: %s", m3uStream.TvgID))
log.Print(fmt.Sprintf("tvg-logo: %s", m3uStream.TvgLogo))
log.Print(fmt.Sprintf("group-title**: %s", m3uStream.GroupTitle))
if len(m3uStream.UUIDKey) > 0 {
log.Print(fmt.Sprintf("UUID key***: %s", m3uStream.UUIDKey))
log.Print(fmt.Sprintf("UUID value: %s", m3uStream.UUIDValue))
} else {
log.Print(fmt.Sprintf("UUID key: false"))
}
}
}
log.Println(fmt.Sprintf("- - - - - (*: Required) | (**: Nice to have) | (***: Love it) - - - - -"))
}
return
}

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@@ -0,0 +1,7 @@
#EXTM3U url-tvg="http://example.com/file.xml" x-tvg-url="http://example.com/xteve.xml"
#EXTINF:0 channelID="1" tvg-chno="1" tvg-name="Channel.1" tvg-id="tvg.id.1" tvg-logo="https://example/logo.png" group-title="Group 1",Channel 1
http://example.com/stream/1
#EXTINF:0 channelID="2" tvg-chno="2" tvg-name="Channel.2" tvg-id="tvg.id.2" tvg-logo="https://example/logo.png" group-title="Group 2",Channel 2
#123
http://example.com/stream/2

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@@ -0,0 +1,267 @@
package m3u
import (
"errors"
"net/url"
"regexp"
"strings"
)
// MakeInterfaceFromM3U :
func MakeInterfaceFromM3U(byteStream []byte) (allChannels []interface{}, err error) {
var content = string(byteStream)
var channelName string
var parseMetaData = func(channel string) (stream map[string]string) {
stream = make(map[string]string)
var exceptForParameter = `[a-z-A-Z=]*(".*?")`
var exceptForChannelName = `,([^\n]*|,[^\r]*)`
var lines = strings.Split(strings.Replace(channel, "\r\n", "\n", -1), "\n")
// Zeilen mit # und leerer Zeilen entfernen
for i := len(lines) - 1; i >= 0; i-- {
if len(lines[i]) == 0 || lines[i][0:1] == "#" {
lines = append(lines[:i], lines[i+1:]...)
}
}
if len(lines) >= 2 {
for _, line := range lines {
_, err := url.ParseRequestURI(line)
switch err {
case nil:
stream["url"] = strings.Trim(line, "\r\n")
default:
var value string
// Alle Parameter parsen
var p = regexp.MustCompile(exceptForParameter)
var streamParameter = p.FindAllString(line, -1)
for _, p := range streamParameter {
line = strings.Replace(line, p, "", 1)
p = strings.Replace(p, `"`, "", -1)
var parameter = strings.Split(p, "=")
if len(parameter) == 2 {
// TVG Key als Kleinbuchstaben speichern
switch strings.Contains(parameter[0], "tvg") {
case true:
stream[strings.ToLower(parameter[0])] = parameter[1]
case false:
stream[parameter[0]] = parameter[1]
}
// URL's nicht an die Filterfunktion übergeben
if !strings.Contains(parameter[1], "://") && len(parameter[1]) > 0 {
value = value + parameter[1] + " "
}
}
}
// Kanalnamen parsen
n := regexp.MustCompile(exceptForChannelName)
var name = n.FindAllString(line, 1)
if len(name) > 0 {
channelName = name[0]
channelName = strings.Replace(channelName, `,`, "", 1)
channelName = strings.TrimRight(channelName, "\r\n")
channelName = strings.TrimRight(channelName, " ")
}
if len(channelName) == 0 {
if v, ok := stream["tvg-name"]; ok {
channelName = v
}
}
channelName = strings.TrimRight(channelName, " ")
// Kanäle ohne Namen werden augelassen
if len(channelName) == 0 {
return
}
stream["name"] = channelName
value = value + channelName
stream["_values"] = value
}
}
}
// Nach eindeutiger ID im Stream suchen
for key, value := range stream {
if !strings.Contains(strings.ToLower(key), "tvg-id") {
if strings.Contains(strings.ToLower(key), "id") {
stream["_uuid.key"] = key
stream["_uuid.value"] = value
//os.Exit(0)
break
}
}
}
return
}
//fmt.Println(content)
if strings.Contains(content, "#EXTM3U") {
var channels = strings.Split(content, "#EXTINF")
channels = append(channels[:0], channels[1:]...)
for _, channel := range channels {
var stream = parseMetaData(channel)
if len(stream) > 0 && stream != nil {
allChannels = append(allChannels, stream)
}
}
} else {
err = errors.New("No valid m3u file")
}
return
}
// MakeInterfaceFromM3U2 :
func MakeInterfaceFromM3U2(byteStream []byte) (allChannels []interface{}, err error) {
var content = string(byteStream)
//var allChannels = make([]interface{}, 0)
var channels = strings.Split(content, "#EXTINF")
var parseMetaData = func(metaData string) map[string]string {
var values string // Save all values in a key
var channel = make(map[string]string)
var exceptForParameter = `[a-z-A-Z=]*(".*?")`
//var exceptForChannelName = `(,[^.$\n]*|,[^.$\r]*)`
var exceptForChannelName = `(,[^\n]*|,[^\r]*)`
var exceptForStreamingURL = `(\n.*?\n|\r.*?\r|\n.*?\z|\r.*?\z)`
//var exceptForStreamingURL = `^(([^:/?#]+):)?(//([^/?#]*))?([^?#]*)(\?([^#]*))?(#(.*))?`
// Parse all parameters
p := regexp.MustCompile(exceptForParameter)
var parameter = p.FindAllString(metaData, -1)
//fmt.Println(parameter)
for _, i := range parameter {
var remove = i
i = strings.Replace(i, `"`, "", -1)
if strings.Contains(i, "=") {
var item = strings.Split(i, "=")
switch strings.Contains(item[0], "tvg") {
case true:
channel[strings.ToLower(item[0])] = item[1]
case false:
channel[item[0]] = item[1]
}
switch strings.Contains(item[1], "://") {
case false:
values = values + item[1] + " "
}
}
metaData = strings.Replace(metaData, remove, "", 1)
}
// Parse channel name (after the comma)
n := regexp.MustCompile(exceptForChannelName)
var name = n.FindAllString(metaData, 1)
//name[len(name) - 1] = strings.Replace(name[len(name) - 1], `\r`, "", -1)
var channelName string
if len(name) == 0 {
if v, ok := channel["tvg-name"]; ok {
channelName = v
}
} else {
channelName = name[len(name)-1][1:len(name[len(name)-1])]
}
channelName = strings.Replace(channelName, `"`, "", -1)
var replacer = strings.NewReplacer("\n", "", "\r", "")
channel["name"] = replacer.Replace(channelName)
values = values + channelName + " "
// Parse streaming URL
u := regexp.MustCompile(exceptForStreamingURL)
var streamingURL = u.FindAllString(metaData, -1)
var url = strings.Replace(streamingURL[0], "\n", "", -1)
url = strings.Replace(url, "\r", "", -1)
url = strings.Trim(url, "\r\n")
channel["url"] = url
channel["_values"] = values
// Search for a unique ID
for key, value := range channel {
if !strings.Contains(strings.ToLower(key), "tvg-id") {
if strings.Contains(strings.ToLower(key), "id") {
channel["_uuid.key"] = key
channel["_uuid.value"] = value
break
}
}
}
return channel
}
if strings.Contains(channels[0], "#EXTM3U") {
for _, thisStream := range channels {
if !strings.Contains(thisStream, "#EXTM3U") {
var channel = parseMetaData(thisStream)
allChannels = append(allChannels, channel)
}
}
} else {
err = errors.New("No valid m3u file")
}
return
}

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@@ -0,0 +1,129 @@
package up2date
import (
"bytes"
"encoding/json"
"errors"
"fmt"
"io/ioutil"
"net"
"net/http"
"net/url"
"runtime"
"time"
)
// ClientInfo : Information about the key (NAME OS, ARCH, UUID, KEY)
type ClientInfo struct {
Arch string `json:"arch,required"`
Branch string `json:"branch,required"`
CMD string `json:"cmd,omitempty"`
Name string `json:"name,required"`
OS string `json:"os,required"`
URL string `json:"url,required"`
Response ServerResponse `json:"response,omitempty"`
}
//ServerResponse : Response from server after client request
type ServerResponse struct {
Status bool `json:"status,omitempty"`
Reason string `json:"reason,omitempty"`
Version string `json:"version,omitempty"`
UpdateBIN string `json:"update.url.bin,omitempty"`
UpdateZIP string `json:"update.url.zip,omitempty"`
Filename string `json:"filename.bin,omitempty"`
}
// Updater : Client infos
var Updater ClientInfo
// UpdateURL : URL for the new binary
var UpdateURL string
// Init : Init
func Init() {
Updater.OS = runtime.GOOS
Updater.Arch = runtime.GOARCH
}
// GetVersion : Information about the latest version
func GetVersion() (err error) {
Updater.CMD = "getVersion"
err = serverRequest()
return
}
func serverRequest() (err error) {
var serverResponse ServerResponse
jsonByte, err := json.MarshalIndent(Updater, "", " ")
if err == nil {
// Serververbindung prüfen
u, err := url.Parse(Updater.URL)
if err != nil {
return err
}
var server = u.Host
timeout := time.Duration(1 * time.Second)
_, err = net.DialTimeout("tcp", server, timeout)
if err != nil {
return err
}
// Check redirect 301 <---> 308
redirect, err := http.NewRequest("POST", Updater.URL, nil)
client := &http.Client{}
client.CheckRedirect = func(redirect *http.Request, via []*http.Request) error {
return errors.New("Redirect")
}
resp, err := client.Do(redirect)
if err != nil {
// Redirect
if resp.StatusCode >= 301 && resp.StatusCode <= 308 { //status code 301 <---> 308
Updater.URL = resp.Header.Get("Location")
} else {
return err
}
}
// ---
req, err := http.NewRequest("POST", Updater.URL, bytes.NewBuffer(jsonByte))
req.Header.Set("Content-Type", "application/json")
client = &http.Client{}
resp, err = client.Do(req)
if err != nil {
return err
}
if resp.StatusCode != http.StatusOK {
//fmt.Println(resp.StatusCode, Updater.URL, Updater.CMD)
err = fmt.Errorf(fmt.Sprintf("%d: %s (%s)", resp.StatusCode, http.StatusText(resp.StatusCode), Updater.URL))
return err
}
Updater.CMD = ""
defer resp.Body.Close()
body, _ := ioutil.ReadAll(resp.Body)
err = json.Unmarshal(body, &serverResponse)
if err != nil {
return err
}
Updater.Response = serverResponse
}
return
}

View File

@@ -0,0 +1,271 @@
package up2date
import (
"archive/zip"
"fmt"
"io"
"log"
"net/http"
"os"
"os/exec"
"path/filepath"
"runtime"
"strings"
"syscall"
"github.com/kardianos/osext"
)
// DoUpdate : Update binary
func DoUpdate(fileType, filenameBIN string) (err error) {
var url string
switch fileType {
case "bin":
url = Updater.Response.UpdateBIN
case "zip":
url = Updater.Response.UpdateZIP
}
switch runtime.GOOS {
case "windows":
filenameBIN = filenameBIN + ".exe"
}
if len(url) > 0 {
log.Println("["+strings.ToUpper(fileType)+"]", "New version ("+Updater.Name+"):", Updater.Response.Version)
// Download new binary
resp, err := http.Get(url)
if err != nil {
return err
}
defer resp.Body.Close()
log.Println("["+strings.ToUpper(fileType)+"]", "Download new version...")
if resp.StatusCode != http.StatusOK {
log.Println("["+strings.ToUpper(fileType)+"]", "Download new version...OK")
return fmt.Errorf("bad status: %s", resp.Status)
}
// Change binary filename to .filename
binary, err := osext.Executable()
var filename = getFilenameFromPath(binary)
var path = getPlatformPath(binary)
var oldBinary = path + "_old_" + filename
var newBinary = binary
// ZIP
var tmpFolder = path + "tmp"
var tmpFile = tmpFolder + string(os.PathSeparator) + filenameBIN
//fmt.Println(binary, path+"."+filename)
os.Rename(newBinary, oldBinary)
// Save the new binary with the old file name
out, err := os.Create(binary)
if err != nil {
restorOldBinary(oldBinary, newBinary)
return err
}
defer out.Close()
// Write the body to file
_, err = io.Copy(out, resp.Body)
if err != nil {
restorOldBinary(oldBinary, newBinary)
return err
}
// Update as a ZIP file
if fileType == "zip" {
log.Println("["+strings.ToUpper(fileType)+"]", "Update file:", filenameBIN)
log.Println("["+strings.ToUpper(fileType)+"]", "Unzip ZIP file...")
err = extractZIP(binary, tmpFolder)
binary = newBinary
if err != nil {
log.Println("["+strings.ToUpper(fileType)+"]", "Unzip ZIP file...ERROR")
restorOldBinary(oldBinary, newBinary)
return err
} else {
log.Println("["+strings.ToUpper(fileType)+"]", "Unzip ZIP file...OK")
log.Println("["+strings.ToUpper(fileType)+"]", "Copy binary file...")
err = copyFile(tmpFile, binary)
if err == nil {
log.Println("["+strings.ToUpper(fileType)+"]", "Copy binary file...OK")
} else {
log.Println("["+strings.ToUpper(fileType)+"]", "Copy binary file...ERROR")
restorOldBinary(oldBinary, newBinary)
return err
}
os.RemoveAll(tmpFolder)
}
}
// Set the permission
err = os.Chmod(binary, 0755)
// Close the new file !Windows
out.Close()
log.Println("["+strings.ToUpper(fileType)+"]", "Update Successful")
// Restart binary (Windows)
if runtime.GOOS == "windows" {
bin, err := os.Executable()
if err != nil {
restorOldBinary(oldBinary, newBinary)
return err
}
var pid = os.Getpid()
var process, _ = os.FindProcess(pid)
if proc, err := start(bin); err == nil {
os.RemoveAll(oldBinary)
process.Kill()
proc.Wait()
} else {
restorOldBinary(oldBinary, newBinary)
}
} else {
// Restart binary (Linux and UNIX)
file, _ := osext.Executable()
os.RemoveAll(oldBinary)
err = syscall.Exec(file, os.Args, os.Environ())
if err != nil {
restorOldBinary(oldBinary, newBinary)
log.Fatal(err)
return err
}
}
}
return
}
func start(args ...string) (p *os.Process, err error) {
if args[0], err = exec.LookPath(args[0]); err == nil {
//fmt.Println(args[0])
var procAttr os.ProcAttr
procAttr.Files = []*os.File{os.Stdin, os.Stdout, os.Stderr}
p, err := os.StartProcess(args[0], args, &procAttr)
if err == nil {
return p, nil
}
}
return nil, err
}
func restorOldBinary(oldBinary, newBinary string) {
os.RemoveAll(newBinary)
os.Rename(oldBinary, newBinary)
}
func getPlatformFile(filename string) string {
path, file := filepath.Split(filename)
var newPath = filepath.Dir(path)
var newFileName = newPath + string(os.PathSeparator) + file
return newFileName
}
func getFilenameFromPath(path string) string {
file := filepath.Base(path)
return file
}
func getPlatformPath(path string) string {
var newPath = filepath.Dir(path) + string(os.PathSeparator)
return newPath
}
func copyFile(src, dst string) (err error) {
in, err := os.Open(src)
if err != nil {
return err
}
defer in.Close()
out, err := os.Create(dst)
if err != nil {
return err
}
defer out.Close()
_, err = io.Copy(out, in)
if err != nil {
return err
}
return out.Close()
}
func extractZIP(archive, target string) (err error) {
reader, err := zip.OpenReader(archive)
if err != nil {
return err
}
if err := os.MkdirAll(target, 0755); err != nil {
return err
}
for _, file := range reader.File {
path := filepath.Join(target, file.Name)
if file.FileInfo().IsDir() {
os.MkdirAll(path, file.Mode())
continue
}
fileReader, err := file.Open()
if err != nil {
return err
}
defer fileReader.Close()
targetFile, err := os.OpenFile(path, os.O_WRONLY|os.O_CREATE|os.O_TRUNC, file.Mode())
if err != nil {
return err
}
defer targetFile.Close()
if _, err := io.Copy(targetFile, fileReader); err != nil {
return err
}
}
return
}