feat: improve extension parsing

pull/235/head
stevenlele 1 year ago
parent 25699b07c5
commit 4298971e8c
  1. 3
      browser/chromium/chromium.go
  2. 123
      browsingdata/extension/extension.go
  3. 43
      utils/fileutil/filetutil.go

@ -2,6 +2,7 @@ package chromium
import ( import (
"io/fs" "io/fs"
"os"
"path/filepath" "path/filepath"
"strings" "strings"
@ -86,7 +87,7 @@ func (c *Chromium) copyItemToLocal() error {
err = fileutil.CopyDir(path, filename, "lock") err = fileutil.CopyDir(path, filename, "lock")
} }
if i == item.ChromiumExtension { if i == item.ChromiumExtension {
err = fileutil.CopyDirHasSuffix(path, filename, "manifest.json") err = os.WriteFile(filename, []byte(fileutil.ParentDir(path)), 0o600)
} }
default: default:
err = fileutil.CopyFile(path, filename) err = fileutil.CopyFile(path, filename)

@ -1,51 +1,105 @@
package extension package extension
import ( import (
"errors"
"os" "os"
"path/filepath"
"strings"
"github.com/tidwall/gjson" "github.com/tidwall/gjson"
"golang.org/x/text/language"
"github.com/moond4rk/hackbrowserdata/item" "github.com/moond4rk/hackbrowserdata/item"
"github.com/moond4rk/hackbrowserdata/log"
"github.com/moond4rk/hackbrowserdata/utils/fileutil" "github.com/moond4rk/hackbrowserdata/utils/fileutil"
) )
type ChromiumExtension []*extension type ChromiumExtension []*extension
type extension struct { type extension struct {
ID string
URL string
Enabled bool
Name string Name string
Description string Description string
Version string Version string
HomepageURL string HomepageURL string
} }
const (
manifest = "manifest.json"
)
func (c *ChromiumExtension) Parse(_ []byte) error { func (c *ChromiumExtension) Parse(_ []byte) error {
files, err := fileutil.FilesInFolder(item.TempChromiumExtension, manifest) profilePath, err := fileutil.ReadFile(item.TempChromiumExtension)
if err != nil { if err != nil {
return err return err
} }
defer os.RemoveAll(item.TempChromiumExtension) _ = os.Remove(item.TempChromiumExtension)
for _, f := range files {
content, err := fileutil.ReadFile(f) var extensions *gjson.Result
if err != nil { if result, err := readChromiumExts(filepath.Join(profilePath, "Secure Preferences")); err == nil {
log.Error("Failed to read content: %s", err) extensions = result
continue } else if result, err := readChromiumExts(filepath.Join(profilePath, "Preferences")); err == nil {
extensions = result
} else {
return err
}
extensions.ForEach(func(id, ext gjson.Result) bool {
location := ext.Get("location")
if !location.Exists() {
return true
} }
b := gjson.Parse(content) switch location.Int() {
case 5, 10: // https://source.chromium.org/chromium/chromium/src/+/main:extensions/common/mojom/manifest.mojom
return true
}
// https://source.chromium.org/chromium/chromium/src/+/main:extensions/browser/disable_reason.h
enabled := !ext.Get("disable_reasons").Exists()
b := ext.Get("manifest")
if !b.Exists() {
*c = append(*c, &extension{
ID: id.String(),
Enabled: enabled,
Name: ext.Get("path").String(),
})
return true
}
*c = append(*c, &extension{ *c = append(*c, &extension{
ID: id.String(),
URL: getChromiumExtURL(id.String(), b.Get("update_url").String()),
Enabled: enabled,
Name: b.Get("name").String(), Name: b.Get("name").String(),
Description: b.Get("description").String(), Description: b.Get("description").String(),
Version: b.Get("version").String(), Version: b.Get("version").String(),
HomepageURL: b.Get("homepage_url").String(), HomepageURL: b.Get("homepage_url").String(),
}) })
} return true
})
return nil return nil
} }
func readChromiumExts(filename string) (*gjson.Result, error) {
prefs, err := fileutil.ReadFile(filename)
if err != nil {
return nil, err
}
extensions := gjson.Parse(prefs).Get("extensions.settings")
if extensions.Exists() {
return &extensions, nil
}
return nil, errors.New("extensions not found")
}
func getChromiumExtURL(id, updateURL string) string {
if strings.HasSuffix(updateURL, "clients2.google.com/service/update2/crx") {
return "https://chrome.google.com/webstore/detail/" + id
} else if strings.HasSuffix(updateURL, "edge.microsoft.com/extensionwebstorebase/v1/crx") {
return "https://microsoftedge.microsoft.com/addons/detail/" + id
}
return ""
}
func (c *ChromiumExtension) Name() string { func (c *ChromiumExtension) Name() string {
return "extension" return "extension"
} }
@ -56,15 +110,37 @@ func (c *ChromiumExtension) Len() int {
type FirefoxExtension []*extension type FirefoxExtension []*extension
var lang = language.Und
func (f *FirefoxExtension) Parse(_ []byte) error { func (f *FirefoxExtension) Parse(_ []byte) error {
s, err := fileutil.ReadFile(item.TempFirefoxExtension) s, err := fileutil.ReadFile(item.TempFirefoxExtension)
if err != nil { if err != nil {
return err return err
} }
defer os.Remove(item.TempFirefoxExtension) _ = os.Remove(item.TempFirefoxExtension)
j := gjson.Parse(s) j := gjson.Parse(s)
for _, v := range j.Get("addons").Array() { for _, v := range j.Get("addons").Array() {
// https://searchfox.org/mozilla-central/source/toolkit/mozapps/extensions/internal/XPIDatabase.jsm#157
if v.Get("location").String() != "app-profile" {
continue
}
if lang != language.Und {
locale := findFirefoxLocale(v.Get("locales").Array(), lang)
*f = append(*f, &extension{
ID: v.Get("id").String(),
Enabled: v.Get("active").Bool(),
Name: locale.Get("name").String(),
Description: locale.Get("description").String(),
Version: v.Get("version").String(),
HomepageURL: locale.Get("homepageURL").String(),
})
continue
}
*f = append(*f, &extension{ *f = append(*f, &extension{
ID: v.Get("id").String(),
Enabled: v.Get("active").Bool(),
Name: v.Get("defaultLocale.name").String(), Name: v.Get("defaultLocale.name").String(),
Description: v.Get("defaultLocale.description").String(), Description: v.Get("defaultLocale.description").String(),
Version: v.Get("version").String(), Version: v.Get("version").String(),
@ -74,6 +150,23 @@ func (f *FirefoxExtension) Parse(_ []byte) error {
return nil return nil
} }
func findFirefoxLocale(locales []gjson.Result, targetLang language.Tag) gjson.Result {
tags := make([]language.Tag, 0, len(locales))
indices := make([]int, 0, len(locales))
for i, locale := range locales {
for _, tagStr := range locale.Get("locales").Array() {
tag, _ := language.Parse(tagStr.String())
if tag == language.Und {
continue
}
tags = append(tags, tag)
indices = append(indices, i)
}
}
_, tagIndex, _ := language.NewMatcher(tags).Match(targetLang)
return locales[indices[tagIndex]]
}
func (f *FirefoxExtension) Name() string { func (f *FirefoxExtension) Name() string {
return "extension" return "extension"
} }

@ -3,7 +3,6 @@ package fileutil
import ( import (
"archive/zip" "archive/zip"
"bytes" "bytes"
"errors"
"fmt" "fmt"
"os" "os"
"path" "path"
@ -37,21 +36,6 @@ func IsDirExists(folder string) bool {
return info.IsDir() return info.IsDir()
} }
// FilesInFolder returns the filepath contains in the provided folder
func FilesInFolder(dir, filename string) ([]string, error) {
if !IsDirExists(dir) {
return nil, errors.New(dir + "folder does not exist")
}
var files []string
err := filepath.Walk(dir, func(path string, f os.FileInfo, err error) error {
if !f.IsDir() && strings.HasSuffix(path, filename) {
files = append(files, path)
}
return err
})
return files, err
}
// ReadFile reads the file from the provided path // ReadFile reads the file from the provided path
func ReadFile(filename string) (string, error) { func ReadFile(filename string) (string, error) {
s, err := os.ReadFile(filename) s, err := os.ReadFile(filename)
@ -67,33 +51,6 @@ func CopyDir(src, dst, skip string) error {
return cp.Copy(src, dst, s) return cp.Copy(src, dst, s)
} }
// CopyDirHasSuffix copies the directory from the source to the destination
// contain is the file if you want to copy, and rename copied filename with dir/index_filename
func CopyDirHasSuffix(src, dst, suffix string) error {
var files []string
err := filepath.Walk(src, func(path string, f os.FileInfo, err error) error {
if !f.IsDir() && strings.HasSuffix(strings.ToLower(f.Name()), suffix) {
files = append(files, path)
}
return err
})
if err != nil {
return err
}
if err := os.MkdirAll(dst, 0o700); err != nil {
return err
}
for index, file := range files {
// p = dir/index_file
p := fmt.Sprintf("%s/%d_%s", dst, index, BaseDir(file))
err = CopyFile(file, p)
if err != nil {
return err
}
}
return nil
}
// CopyFile copies the file from the source to the destination // CopyFile copies the file from the source to the destination
func CopyFile(src, dst string) error { func CopyFile(src, dst string) error {
s, err := os.ReadFile(src) s, err := os.ReadFile(src)

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