Chakib Ben Ziane
03d30e6704
- inspired from golang database package and caddyserver modules - Migrating from class style to interfaces - FIX: browser provisioning is broken, config is not ready when the browser module is registered.
89 lines
2.3 KiB
Go
89 lines
2.3 KiB
Go
// TODO: vfs for firefox should be removed in favor of copy/parse method
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package firefox
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import (
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"errors"
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"fmt"
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"path"
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moz "git.sp4ke.xyz/sp4ke/gomark/mozilla"
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"git.sp4ke.xyz/sp4ke/gomark/utils"
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)
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const (
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// This option disables the VFS lock on firefox
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// Sqlite allows file locking of the database using the local file system VFS.
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// Previous versions of FF allowed external processes to access the file.
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//
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// Since firefox v(63) this has changed. When initializing the database FF checks
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// the preference option `storage.multiProcessAccess.enabled` which is not
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// documented officially.
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//
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// Source code:
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//- https://dxr.mozilla.org/mozilla-central/source/storage/TelemetryVFS.cpp#884
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//- https://dxr.mozilla.org/mozilla-central/source/storage/mozStorageService.cpp#377
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//- Change on github: https://github.com/mozilla/gecko-dev/commit/a543f35d4be483b19446304f52e4781d7a4a0a2f
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PrefMultiProcessAccess = "storage.multiProcessAccess.enabled"
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)
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var (
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ErrMultiProcessAlreadyEnabled = errors.New("multiProcessAccess already enabled")
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)
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func CheckVFSLock() error {
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log.Debugf("Checking VFS for <%s>", getBookmarkDir())
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return nil
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}
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func UnlockPlaces() error {
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log.Debugf("Unlocking VFS <%s>", path.Join(getBookmarkDir(), moz.PrefsFile))
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prefsPath := path.Join(getBookmarkDir(), moz.PrefsFile)
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// Find if multiProcessAccess option is defined
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pref, err := moz.GetPrefBool(prefsPath, PrefMultiProcessAccess)
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if err != nil && err != moz.ErrPrefNotFound {
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return err
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}
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// If pref already defined and true raise an error
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if pref {
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log.Warningf("pref <%s> already defined as <%v>",
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PrefMultiProcessAccess, pref)
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return nil
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// Set the preference
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} else {
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// Checking if firefox is running
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// TODO: #multiprocess add CLI to unlock places.sqlite
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pusers, err := utils.FileProcessUsers(path.Join(getBookmarkDir(), moz.BookmarkFile))
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if err != nil {
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log.Error(err)
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}
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for pid, p := range pusers {
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pname, err := p.Name()
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if err != nil {
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log.Error(err)
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}
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return errors.New(fmt.Sprintf("multiprocess not enabled and %s(%d) is running. Close firefox and disable VFS lock", pname, pid))
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}
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// End testing
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// enable multi process access in firefox
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err = moz.SetPrefBool(prefsPath,
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PrefMultiProcessAccess,
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true)
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if err != nil {
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return err
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}
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}
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return nil
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}
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