[WIP] working download and replace.

This commit is contained in:
Vladimir Stoilov
2024-08-30 12:40:51 +03:00
parent f7abb700bf
commit 701505ae75
18 changed files with 168 additions and 276 deletions

View File

@@ -17,12 +17,6 @@ import (
"github.com/safing/portmaster/base/log"
)
const (
defaultFileMode = os.FileMode(0o0644)
executableFileMode = os.FileMode(0o0744)
defaultDirMode = os.FileMode(0o0755)
)
const MaxUnpackSize = 1 << 30 // 2^30 == 1GB
type Artifact struct {
@@ -35,18 +29,17 @@ type Artifact struct {
}
type Bundle struct {
dir string
Name string `json:"Bundle"`
Version string `json:"Version"`
Published time.Time `json:"Published"`
Artifacts []Artifact `json:"Artifacts"`
}
func (bundle Bundle) downloadAndVerify() {
func (bundle Bundle) downloadAndVerify(dir string) {
client := http.Client{}
for _, artifact := range bundle.Artifacts {
filePath := fmt.Sprintf("%s/%s", bundle.dir, artifact.Filename)
filePath := fmt.Sprintf("%s/%s", dir, artifact.Filename)
// TODO(vladimir): is this needed?
_ = os.MkdirAll(filepath.Dir(filePath), defaultDirMode)
@@ -66,9 +59,9 @@ func (bundle Bundle) downloadAndVerify() {
}
// Verify checks if the files are present int the dataDir and have the correct hash.
func (bundle Bundle) Verify() error {
func (bundle Bundle) Verify(dir string) error {
for _, artifact := range bundle.Artifacts {
artifactPath := fmt.Sprintf("%s/%s", bundle.dir, artifact.Filename)
artifactPath := fmt.Sprintf("%s/%s", dir, artifact.Filename)
file, err := os.Open(artifactPath)
if err != nil {
return fmt.Errorf("failed to open file %s: %w", artifactPath, err)

View File

@@ -12,6 +12,7 @@ import (
type UpdateIndex struct {
Directory string
DownloadDirectory string
PurgeDirectory string
Ignore []string
IndexURLs []string
IndexFile string
@@ -23,7 +24,7 @@ func (ui *UpdateIndex) downloadIndexFile() (err error) {
for _, url := range ui.IndexURLs {
err = ui.downloadIndexFileFromURL(url)
if err != nil {
log.Warningf("updates: %s", err)
log.Warningf("updates: failed while downloading index file %s", err)
continue
}
// Downloading was successful.
@@ -37,7 +38,7 @@ func (ui *UpdateIndex) downloadIndexFileFromURL(url string) error {
client := http.Client{}
resp, err := client.Get(url)
if err != nil {
return fmt.Errorf("failed a get request to %s: %w", url, err)
return fmt.Errorf("failed GET request to %s: %w", url, err)
}
defer func() { _ = resp.Body.Close() }()
filePath := fmt.Sprintf("%s/%s", ui.DownloadDirectory, ui.IndexFile)

View File

@@ -14,6 +14,12 @@ import (
var ErrNotFound error = errors.New("file not found")
const (
defaultFileMode = os.FileMode(0o0644)
executableFileMode = os.FileMode(0o0744)
defaultDirMode = os.FileMode(0o0755)
)
type File struct {
id string
path string
@@ -32,24 +38,19 @@ func (f *File) Version() string {
}
type Registry struct {
binaryUpdateIndex UpdateIndex
intelUpdateIndex UpdateIndex
updateIndex UpdateIndex
binaryBundle *Bundle
intelBundle *Bundle
binaryUpdateBundle *Bundle
intelUpdateBundle *Bundle
bundle *Bundle
updateBundle *Bundle
files map[string]File
}
// New create new Registry.
func New(binIndex UpdateIndex, intelIndex UpdateIndex) Registry {
func New(index UpdateIndex) Registry {
return Registry{
binaryUpdateIndex: binIndex,
intelUpdateIndex: intelIndex,
files: make(map[string]File),
updateIndex: index,
files: make(map[string]File),
}
}
@@ -58,26 +59,20 @@ func (reg *Registry) Initialize() error {
var err error
// Parse current installed binary bundle.
reg.binaryBundle, err = parseBundle(reg.binaryUpdateIndex.Directory, reg.binaryUpdateIndex.IndexFile)
reg.bundle, err = parseBundle(reg.updateIndex.Directory, reg.updateIndex.IndexFile)
if err != nil {
return fmt.Errorf("failed to parse binary bundle: %w", err)
}
// Parse current installed intel bundle.
reg.intelBundle, err = parseBundle(reg.intelUpdateIndex.Directory, reg.intelUpdateIndex.IndexFile)
if err != nil {
return fmt.Errorf("failed to parse intel bundle: %w", err)
}
// Add bundle artifacts to registry.
reg.processBundle(reg.binaryBundle)
reg.processBundle(reg.intelBundle)
reg.processBundle(reg.bundle)
return nil
}
func (reg *Registry) processBundle(bundle *Bundle) {
for _, artifact := range bundle.Artifacts {
artifactPath := fmt.Sprintf("%s/%s", bundle.dir, artifact.Filename)
artifactPath := fmt.Sprintf("%s/%s", reg.updateIndex.Directory, artifact.Filename)
reg.files[artifact.Filename] = File{id: artifact.Filename, path: artifactPath}
}
}
@@ -89,112 +84,84 @@ func (reg *Registry) GetFile(id string) (*File, error) {
return &file, nil
} else {
log.Errorf("updates: requested file id not found: %s", id)
for _, file := range reg.files {
log.Debugf("File: %s", file)
}
return nil, ErrNotFound
}
}
// CheckForBinaryUpdates checks if there is a new binary bundle updates.
func (reg *Registry) CheckForBinaryUpdates() (bool, error) {
err := reg.binaryUpdateIndex.downloadIndexFile()
// CheckForUpdates checks if there is a new binary bundle updates.
func (reg *Registry) CheckForUpdates() (bool, error) {
err := reg.updateIndex.downloadIndexFile()
if err != nil {
return false, err
}
reg.binaryUpdateBundle, err = parseBundle(reg.binaryUpdateIndex.DownloadDirectory, reg.binaryUpdateIndex.IndexFile)
reg.updateBundle, err = parseBundle(reg.updateIndex.DownloadDirectory, reg.updateIndex.IndexFile)
if err != nil {
return false, fmt.Errorf("failed to parse bundle file: %w", err)
return false, err
}
// TODO(vladimir): Make a better check.
if reg.binaryBundle.Version != reg.binaryUpdateBundle.Version {
if reg.bundle.Version != reg.updateBundle.Version {
return true, nil
}
return false, nil
}
// DownloadBinaryUpdates downloads available binary updates.
func (reg *Registry) DownloadBinaryUpdates() error {
if reg.binaryUpdateBundle == nil {
// DownloadUpdates downloads available binary updates.
func (reg *Registry) DownloadUpdates() error {
if reg.updateBundle == nil {
// CheckForBinaryUpdates needs to be called before this.
return fmt.Errorf("no valid update bundle found")
}
_ = deleteUnfinishedDownloads(reg.binaryBundle.dir)
reg.binaryUpdateBundle.downloadAndVerify()
_ = deleteUnfinishedDownloads(reg.updateIndex.DownloadDirectory)
reg.updateBundle.downloadAndVerify(reg.updateIndex.DownloadDirectory)
return nil
}
// CheckForIntelUpdates checks if there is a new intel data bundle updates.
func (reg *Registry) CheckForIntelUpdates() (bool, error) {
err := reg.intelUpdateIndex.downloadIndexFile()
// ApplyUpdates removes the current binary folder and replaces it with the downloaded one.
func (reg *Registry) ApplyUpdates() error {
// Create purge dir.
err := os.MkdirAll(filepath.Dir(reg.updateIndex.PurgeDirectory), defaultDirMode)
if err != nil {
return false, err
return fmt.Errorf("failed to create directory: %w", err)
}
reg.intelUpdateBundle, err = parseBundle(reg.intelUpdateIndex.DownloadDirectory, reg.intelUpdateIndex.IndexFile)
// Read all files in the current version folder.
files, err := os.ReadDir(reg.updateIndex.Directory)
if err != nil {
return false, fmt.Errorf("failed to parse bundle file: %w", err)
return err
}
// TODO(vladimir): Make a better check.
if reg.intelBundle.Version != reg.intelUpdateBundle.Version {
return true, nil
// Move current version files into purge folder.
for _, file := range files {
filepath := fmt.Sprintf("%s/%s", reg.updateIndex.Directory, file.Name())
purgePath := fmt.Sprintf("%s/%s", reg.updateIndex.PurgeDirectory, file.Name())
err := os.Rename(filepath, purgePath)
if err != nil {
return fmt.Errorf("failed to move file %s: %w", filepath, err)
}
}
return false, nil
}
// DownloadIntelUpdates downloads available intel data updates.
func (reg *Registry) DownloadIntelUpdates() error {
if reg.intelUpdateBundle == nil {
// CheckForIntelUpdates needs to be called before this.
return fmt.Errorf("no valid update bundle found")
}
_ = deleteUnfinishedDownloads(reg.intelBundle.dir)
reg.intelUpdateBundle.downloadAndVerify()
return nil
}
// ApplyBinaryUpdates removes the current binary folder and replaces it with the downloaded one.
func (reg *Registry) ApplyBinaryUpdates() error {
bundle, err := parseBundle(reg.binaryUpdateIndex.DownloadDirectory, reg.binaryUpdateIndex.IndexFile)
// Move the new index file
indexFile := fmt.Sprintf("%s/%s", reg.updateIndex.DownloadDirectory, reg.updateIndex.IndexFile)
newIndexFile := fmt.Sprintf("%s/%s", reg.updateIndex.Directory, reg.updateIndex.IndexFile)
err = os.Rename(indexFile, newIndexFile)
if err != nil {
return fmt.Errorf("failed to parse index file: %w", err)
}
err = bundle.Verify()
if err != nil {
return fmt.Errorf("binary bundle is not valid: %w", err)
return fmt.Errorf("failed to move index file %s: %w", indexFile, err)
}
err = os.RemoveAll(reg.binaryUpdateIndex.Directory)
if err != nil {
return fmt.Errorf("failed to remove dir: %w", err)
}
err = os.Rename(reg.binaryUpdateIndex.DownloadDirectory, reg.binaryUpdateIndex.Directory)
if err != nil {
return fmt.Errorf("failed to move dir: %w", err)
}
return nil
}
// ApplyIntelUpdates removes the current intel folder and replaces it with the downloaded one.
func (reg *Registry) ApplyIntelUpdates() error {
bundle, err := parseBundle(reg.intelUpdateIndex.DownloadDirectory, reg.intelUpdateIndex.IndexFile)
if err != nil {
return fmt.Errorf("failed to parse index file: %w", err)
}
err = bundle.Verify()
if err != nil {
return fmt.Errorf("binary bundle is not valid: %w", err)
}
err = os.RemoveAll(reg.intelUpdateIndex.Directory)
if err != nil {
return fmt.Errorf("failed to remove dir: %w", err)
}
err = os.Rename(reg.intelUpdateIndex.DownloadDirectory, reg.intelUpdateIndex.Directory)
if err != nil {
return fmt.Errorf("failed to move dir: %w", err)
// Move downloaded files to the current version folder.
for _, artifact := range reg.bundle.Artifacts {
fromFilepath := fmt.Sprintf("%s/%s", reg.updateIndex.DownloadDirectory, artifact.Filename)
toFilepath := fmt.Sprintf("%s/%s", reg.updateIndex.Directory, artifact.Filename)
err = os.Rename(fromFilepath, toFilepath)
if err != nil {
return fmt.Errorf("failed to move file %s: %w", fromFilepath, err)
}
}
return nil
}
@@ -220,8 +187,6 @@ func parseBundle(dir string, indexFile string) (*Bundle, error) {
if err != nil {
return nil, err
}
bundle.dir = dir
return &bundle, nil
}