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mirror of https://github.com/hrfee/jfa-go.git synced 2024-12-29 12:30:11 +00:00
jfa-go/updater.go
Harvey Tindall 5702e8012c
proxy: use for updater & SMTP
imports a new package to create a HTTP proxy dialer for the SMTP client.
2023-10-05 12:32:25 +01:00

582 lines
14 KiB
Go

package main
import (
"archive/zip"
"bytes"
"encoding/json"
"errors"
"fmt"
"io"
"io/fs"
"net/http"
"os"
"path/filepath"
"runtime"
"strconv"
"strings"
"time"
"github.com/hrfee/jfa-go/common"
)
const (
baseURL = "https://builds.hrfee.pw"
namespace = "hrfee"
repo = "jfa-go"
)
var buildTime time.Time = func() time.Time {
i, _ := strconv.ParseInt(buildTimeUnix, 10, 64)
return time.Unix(i, 0)
}()
type GHRelease struct {
HTMLURL string `json:"html_url"`
ID int `json:"id"`
TagName string `json:"tag_name"`
Name string `json:"name"`
CreatedAt time.Time `json:"created_at"`
PublishedAt time.Time `json:"published_at"`
Assets []GHAsset `json:"assets"`
Body string `json:"body"`
}
type GHAsset struct {
Name string `json:"name"`
State string `json:"state"`
UpdatedAt time.Time `json:"updated_at"`
BrowserDownloadURL string `json:"browser_download_url"`
}
type UnixTime struct {
time.Time
}
func (t *UnixTime) UnmarshalJSON(b []byte) (err error) {
unix, err := strconv.ParseInt(strings.TrimPrefix(strings.TrimSuffix(string(b), "\""), "\""), 10, 64)
if err != nil {
return
}
t.Time = time.Unix(unix, 0)
return
}
func (t UnixTime) MarshalJSON() ([]byte, error) {
if t.Time == (time.Time{}) {
return []byte("\"\""), nil
}
return []byte("\"" + strconv.FormatInt(t.Time.Unix(), 10) + "\""), nil
}
var updater string
type BuildType int
const (
off BuildType = iota
internal // Internal assets through go:embed, no data/.
external // External assets in data/, accesses through app.localFS.
docker // Only notify of new updates, no self-updating.
)
type ApplyUpdate func() error
type Update struct {
Version string `json:"version"` // vX.X.X or git
Commit string `json:"commit"`
ReleaseDate int64 `json:"date"` // unix time
Description string `json:"description"` // Commit Name/Release title.
Changelog string `json:"changelog"` // Changelog, if applicable
Link string `json:"link"` // Link to commit/release page,
DownloadLink string `json:"download_link"` // Optional link to download page.
CanUpdate bool `json:"can_update"` // Whether or not update can be done automatically.
update ApplyUpdate `json:"-"` // Function to apply update if possible.
}
type Tag struct {
Ready bool `json:"ready"` // Whether or not build on this tag has completed.
Version string `json:"version,omitempty"` // Version/Commit
ReleaseDate UnixTime `json:"date"`
}
var goos = map[string]string{
"darwin": "macOS",
"linux": "Linux",
"windows": "Windows",
}
var goarch = map[string]string{
"amd64": "x86_64",
"arm64": "arm64",
"arm": "armv6",
}
// func newDockerBuild() Update {
// var tag string
// if version == "git" {
// tag = "docker-unstable"
// } else {
// tag = "docker-latest"
// }
// }
type Updater struct {
version, commit, tag, url, namespace, name string
stable bool
buildType BuildType
httpClient *http.Client
timeoutHandler common.TimeoutHandler
binary string
}
func newUpdater(buildroneURL, namespace, repo, version, commit, buildType string) *Updater {
// fmt.Printf(`Updater intializing with "%s", "%s", "%s", "%s", "%s", "%s"\n`, buildroneURL, namespace, repo, version, commit, buildType)
bType := off
tag := ""
switch buildType {
case "binary":
if binaryType == "internal" {
bType = internal
tag = "internal"
} else {
bType = external
tag = "external"
}
case "docker":
bType = docker
if version == "git" {
tag = "docker-unstable"
} else {
tag = "docker-latest"
}
default:
bType = off
}
if commit == "unknown" {
bType = off
}
if version == "git" && bType != docker {
tag += "-git"
}
binary := "jfa-go"
if runtime.GOOS == "windows" {
binary += ".exe"
}
return &Updater{
httpClient: &http.Client{Timeout: 10 * time.Second},
timeoutHandler: common.NewTimeoutHandler("updater", buildroneURL, true),
version: version,
commit: commit,
buildType: bType,
tag: tag,
url: buildroneURL,
namespace: namespace,
name: repo,
binary: binary,
}
}
type BuildDTO struct {
ID int64 // `json:"id"`
Name string // `json:"name"`
Date time.Time // `json:"date"`
Link string // `json:"link"`
Message string
Branch string // `json:"branch"`
Tags map[string]Tag
}
// SetTransport sets the http.Transport to use for requests. Can be used to set a proxy.
func (ud *Updater) SetTransport(t *http.Transport) {
ud.httpClient.Transport = t
}
func (ud *Updater) GetTag() (Tag, int, error) {
if ud.buildType == off {
return Tag{}, -1, nil
}
url := fmt.Sprintf("%s/repo/%s/%s/tag/latest/%s", ud.url, ud.namespace, ud.name, ud.tag)
// fmt.Printf("Pinging URL \"%s\" for updates\n", url)
req, _ := http.NewRequest("GET", url, nil)
resp, err := ud.httpClient.Do(req)
defer ud.timeoutHandler()
if err != nil || resp.StatusCode != 200 {
return Tag{}, resp.StatusCode, err
}
defer resp.Body.Close()
body, err := io.ReadAll(resp.Body)
if err != nil {
return Tag{}, -1, err
}
var tag Tag
err = json.Unmarshal(body, &tag)
if tag.Version == "" {
err = errors.New("Tag was empty")
}
return tag, resp.StatusCode, err
}
func (t *Tag) IsNew() bool {
// fmt.Printf("Build Time: %+v, Release Date: %+v", buildTime, t.ReleaseDate)
// Add 20 minutes to account for build time
return t.Version[:7] != commit && t.Ready && t.ReleaseDate.After(buildTime.Add(time.Duration(20)*time.Minute))
}
func (ud *Updater) getRelease() (release GHRelease, status int, err error) {
url := fmt.Sprintf("https://api.github.com/repos/%s/%s/releases/latest", ud.namespace, ud.name)
req, _ := http.NewRequest("GET", url, nil)
resp, err := ud.httpClient.Do(req)
status = resp.StatusCode
defer ud.timeoutHandler()
if err != nil || resp.StatusCode != 200 {
return
}
defer resp.Body.Close()
body, err := io.ReadAll(resp.Body)
if err != nil {
return
}
err = json.Unmarshal(body, &release)
return
}
func (ud *Updater) GetUpdate(tag Tag) (update Update, status int, err error) {
switch ud.buildType {
case internal:
if ud.tag == "internal-git" {
update, status, err = ud.getUpdateInternalGit(tag)
} else if ud.tag == "internal" {
update, status, err = ud.getUpdateInternal(tag)
}
case external, docker:
if strings.Contains(ud.tag, "git") || ud.tag == "docker-unstable" {
update, status, err = ud.getCommitGit(tag)
} else {
var release GHRelease
release, status, err = ud.getRelease()
if err != nil {
return
}
update = Update{
Changelog: release.Body,
Description: release.Name,
Version: release.TagName,
Commit: tag.Version,
Link: release.HTMLURL,
ReleaseDate: release.PublishedAt.Unix(),
}
}
if ud.buildType == docker {
update.DownloadLink = fmt.Sprintf("https://hub.docker.com/r/%s/%s/tags", ud.namespace, ud.name)
}
}
return
}
func (ud *Updater) getUpdateInternal(tag Tag) (update Update, status int, err error) {
release, status, err := ud.getRelease()
update = Update{
Changelog: release.Body,
Description: release.Name,
Version: release.TagName,
Commit: tag.Version,
Link: release.HTMLURL,
ReleaseDate: release.PublishedAt.Unix(),
}
if err != nil || status != 200 {
return
}
updateFunc, status, err := ud.downloadInternal(&release.Assets, tag)
if err == nil && status == 200 {
update.CanUpdate = true
update.update = updateFunc
}
return
}
func (ud *Updater) getCommitGit(tag Tag) (update Update, status int, err error) {
url := fmt.Sprintf("%s/repo/%s/%s/build/%s", ud.url, ud.namespace, ud.name, tag.Version)
req, _ := http.NewRequest("GET", url, nil)
resp, err := ud.httpClient.Do(req)
status = resp.StatusCode
defer ud.timeoutHandler()
if err != nil || resp.StatusCode != 200 {
return
}
defer resp.Body.Close()
body, err := io.ReadAll(resp.Body)
if err != nil {
return
}
var build BuildDTO
err = json.Unmarshal(body, &build)
if err != nil {
return
}
update = Update{
Description: build.Name,
Version: "git",
Commit: tag.Version,
Link: build.Link,
ReleaseDate: tag.ReleaseDate.Unix(),
}
return
}
func (ud *Updater) getUpdateInternalGit(tag Tag) (update Update, status int, err error) {
update, status, err = ud.getCommitGit(tag)
if err != nil || status != 200 {
return
}
updateFunc, status, err := ud.downloadInternalGit()
if err == nil && status == 200 {
update.CanUpdate = true
update.update = updateFunc
}
return
}
func getBuildName() string {
operatingSystem, ok := goos[runtime.GOOS]
if !ok {
for _, v := range goos {
if strings.Contains(v, runtime.GOOS) {
operatingSystem = v
break
}
}
}
if operatingSystem == "" {
return ""
}
arch, ok := goarch[runtime.GOARCH]
if !ok {
for _, v := range goarch {
if strings.Contains(v, runtime.GOARCH) {
arch = v
break
}
}
}
if arch == "" {
return ""
}
tray := ""
if TRAY {
tray = "TrayIcon_"
}
return tray + operatingSystem + "_" + arch
}
func (ud *Updater) downloadInternal(assets *[]GHAsset, tag Tag) (applyUpdate ApplyUpdate, status int, err error) {
return ud.pullInternal(ud.getInternalURL(assets, tag))
}
func (ud *Updater) downloadInternalGit() (applyUpdate ApplyUpdate, status int, err error) {
return ud.pullInternal(ud.getInternalGitURL())
}
func (ud *Updater) getInternalURL(assets *[]GHAsset, tag Tag) string {
buildName := getBuildName()
if buildName == "" {
return ""
}
url := ""
for _, asset := range *assets {
if strings.Contains(asset.Name, buildName) {
url = asset.BrowserDownloadURL
break
}
}
return url
}
func (ud *Updater) getInternalGitURL() string {
buildName := getBuildName()
if buildName == "" {
return ""
}
return fmt.Sprintf("%s/repo/%s/%s/latest/file/%s", ud.url, ud.namespace, ud.name, buildName)
}
func (ud *Updater) pullInternal(url string) (applyUpdate ApplyUpdate, status int, err error) {
if url == "" {
return
}
req, _ := http.NewRequest("GET", url, nil)
resp, err := ud.httpClient.Do(req)
status = resp.StatusCode
if err != nil || resp.StatusCode != 200 {
return
}
defer resp.Body.Close()
body, err := io.ReadAll(resp.Body)
if err != nil {
status = -1
return
}
zp, err := zip.NewReader(bytes.NewReader(body), int64(len(body)))
if err != nil {
status = -1
return
}
for _, zf := range zp.File {
if zf.Name != ud.binary {
continue
}
var file string
file, err = os.Executable()
if err != nil {
return
}
var path string
path, err = filepath.EvalSymlinks(file)
if err != nil {
return
}
var info fs.FileInfo
info, err = os.Stat(path)
if err != nil {
return
}
mode := info.Mode()
var unzippedFile io.ReadCloser
unzippedFile, err = zf.Open()
if err != nil {
return
}
defer unzippedFile.Close()
var f *os.File
f, err = os.OpenFile(path+"_", os.O_RDWR|os.O_CREATE|os.O_TRUNC, mode)
if err != nil {
return
}
defer f.Close()
_, err = io.Copy(f, unzippedFile)
if err != nil {
return
}
applyUpdate = func() error {
oldName := path + "-" + version + "-" + commit
err := os.Rename(path, oldName)
if err != nil {
return err
}
err = os.Rename(path+"_", path)
if err != nil {
return err
}
return os.Remove(oldName)
}
return
}
// gz, err := gzip.NewReader(resp.Body)
// if err != nil {
// status = -1
// return
// }
// defer gz.Close()
// tarReader := tar.NewReader(gz)
// var header *tar.Header
// for {
// header, err = tarReader.Next()
// if err == io.EOF {
// break
// }
// if err != nil {
// status = -1
// return
// }
// switch header.Typeflag {
// case tar.TypeReg:
// // Search only for file named ud.binary
// if header.Name == ud.binary {
// var file string
// file, err = os.Executable()
// if err != nil {
// return
// }
// var path string
// path, err = filepath.EvalSymlinks(file)
// if err != nil {
// return
// }
// var info fs.FileInfo
// info, err = os.Stat(path)
// if err != nil {
// return
// }
// mode := info.Mode()
// var f *os.File
// f, err = os.OpenFile(path+"_", os.O_RDWR|os.O_CREATE|os.O_TRUNC, mode)
// if err != nil {
// return
// }
// defer f.Close()
// _, err = io.Copy(f, tarReader)
// if err != nil {
// return
// }
// applyUpdate = func() error {
// oldName := path + "-" + version + "-" + commit
// err := os.Rename(path, oldName)
// if err != nil {
// return err
// }
// err = os.Rename(path+"_", path)
// if err != nil {
// return err
// }
// return os.Remove(oldName)
// }
// return
// }
// }
// }
err = errors.New("Couldn't find file: " + ud.binary)
return
}
// func newInternalBuild() Update {
// tag := "internal"
// func update(path string) err {
// if
// fp, err := os.Executable()
// if err != nil {
// return err
// }
// fullPath, err := filepath.EvalSymlinks(fp)
// if err != nil {
// return err
// }
// newBinary,
// }
func (app *appContext) checkForUpdates() {
for {
go func() {
tag, status, err := app.updater.GetTag()
if status != 200 || err != nil {
if err != nil && strings.Contains(err.Error(), "strconv.ParseInt") {
app.err.Println("No new updates available.")
} else if status != -1 { // -1 means updates disabled, we don't need to log it.
app.err.Printf("Failed to get latest tag (%d): %v", status, err)
}
return
}
if tag != app.tag && tag.IsNew() {
app.info.Println("Update found")
update, status, err := app.updater.GetUpdate(tag)
if status != 200 || err != nil {
app.err.Printf("Failed to get update (%d): %v", status, err)
return
}
app.tag = tag
app.update = update
app.newUpdate = true
}
}()
time.Sleep(30 * time.Minute)
}
}