Mikescher/kpsync
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This commit is contained in:
Mike Schwörer 2025-08-19 17:21:15 +02:00
parent 47080e14db
commit 1f6fb583ee
Signed by: Mikescher
GPG Key ID: D3C7172E0A70F8CF
8 changed files with 335 additions and 92 deletions
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5
Makefile
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@ -32,11 +32,6 @@ package:
GOARCH=386 GOOS=linux go build -o _out/kpsync_linux-386 ./cmd/cli # Linux - 32 bit
GOARCH=amd64 GOOS=linux go build -o _out/kpsync_linux-amd64 ./cmd/cli # Linux - 64 bit
GOARCH=arm64 GOOS=linux go build -o _out/kpsync_linux-arm64 ./cmd/cli # Linux - ARM
GOARCH=386 GOOS=windows go build -o _out/kpsync_win-386.exe -tags timetzdata -ldflags "-w -s" ./cmd/cli # Windows - 32 bit
GOARCH=amd64 GOOS=windows go build -o _out/kpsync_win-amd64.exe -tags timetzdata -ldflags "-w -s" ./cmd/cli # Windows - 64 bit
GOARCH=arm64 GOOS=windows go build -o _out/kpsync_win-arm64.exe -tags timetzdata -ldflags "-w -s" ./cmd/cli # Windows - ARM
GOARCH=amd64 GOOS=darwin go build -o _out/kpsync_macos-amd64 ./cmd/cli # macOS - 32 bit
GOARCH=amd64 GOOS=darwin go build -o _out/kpsync_macos-amd64 ./cmd/cli # macOS - 64 bit
GOARCH=amd64 GOOS=openbsd go build -o _out/kpsync_openbsd-amd64 ./cmd/cli # OpenBSD - 64 bit
GOARCH=arm64 GOOS=openbsd go build -o _out/kpsync_openbsd-arm64 ./cmd/cli # OpenBSD - ARM
GOARCH=amd64 GOOS=freebsd go build -o _out/kpsync_freebsd-amd64 ./cmd/cli # FreeBSD - 64 bit

70
app/application.go
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@ -24,8 +24,9 @@ type Application struct {
syncLoopRunning *syncext.AtomicBool
keepassRunning *syncext.AtomicBool
sigStopChan chan bool // keepass exited
sigErrChan chan error // fatal error
sigKPExitChan chan bool // keepass exited
sigManualStopChan chan bool // manual stop
sigErrChan chan error // fatal error
sigSyncLoopStopChan chan bool // stop sync loop
sigTermKeepassChan chan bool // stop keepass
@ -42,7 +43,8 @@ func NewApplication() *Application {
trayReady: syncext.NewAtomicBool(false),
syncLoopRunning: syncext.NewAtomicBool(false),
keepassRunning: syncext.NewAtomicBool(false),
sigStopChan: make(chan bool, 128),
sigKPExitChan: make(chan bool, 128),
sigManualStopChan: make(chan bool, 128),
sigErrChan: make(chan error, 128),
sigSyncLoopStopChan: make(chan bool, 128),
sigTermKeepassChan: make(chan bool, 128),
@ -77,28 +79,54 @@ func (app *Application) Run() {
app.syncLoopRunning = syncext.NewAtomicBool(true)
defer app.syncLoopRunning.Set(false)
err := app.initSync()
isr, err := app.initSync()
if err != nil {
app.sigErrChan <- err
return
}
go func() {
app.keepassRunning = syncext.NewAtomicBool(true)
defer app.keepassRunning.Set(false)
if isr == InitSyncResponseAbort {
app.sigManualStopChan <- true
return
} else if isr == InitSyncResponseOkay {
app.runKeepass()
}()
go func() {
app.keepassRunning = syncext.NewAtomicBool(true)
defer app.keepassRunning.Set(false)
time.Sleep(1 * time.Second)
app.runKeepass(false)
}()
app.setTrayStateDirect("Sleeping...", assets.IconDefault)
time.Sleep(1 * time.Second)
err = app.runSyncLoop()
if err != nil {
app.sigErrChan <- err
app.setTrayStateDirect("Sleeping...", assets.IconDefault)
err = app.runSyncLoop()
if err != nil {
app.sigErrChan <- err
return
}
} else if isr == InitSyncResponseFallback {
app.LogInfo(fmt.Sprintf("Starting KeepassXC with local fallback database (without sync loop!)"))
app.LogDebug(fmt.Sprintf("DB-Path := '%s'", app.config.LocalFallback))
go func() {
app.keepassRunning = syncext.NewAtomicBool(true)
defer app.keepassRunning.Set(false)
app.runKeepass(true)
}()
app.setTrayStateDirect("Sleeping...", assets.IconDefault)
} else {
app.LogError("Unknown InitSyncResponse: "+string(isr), nil)
app.sigErrChan <- fmt.Errorf("unknown InitSyncResponse: %s", isr)
return
}
}()
sigTerm := make(chan os.Signal, 1)
@ -111,7 +139,7 @@ func (app *Application) Run() {
app.stopBackgroundRoutines()
// TODO try final sync
// TODO try final sync (?)
case err := <-app.sigErrChan: // fatal error
@ -121,9 +149,17 @@ func (app *Application) Run() {
app.LogError("Stopped due to error: "+err.Error(), nil)
// TODO stop?
return
case _ = <-app.sigStopChan: // keepass exited
case <-app.sigManualStopChan: // manual
app.LogInfo("Stopping application (manual)")
app.stopBackgroundRoutines()
return
case _ = <-app.sigKPExitChan: // keepass exited
app.LogInfo("Stopping application (received STOP)")

89
app/notifications.go
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@ -1,9 +1,90 @@
package app
func (app *Application) showErrorNotification(msg string) {
//TODO
import (
"fmt"
"strings"
"git.blackforestbytes.com/BlackForestBytes/goext/cmdext"
"git.blackforestbytes.com/BlackForestBytes/goext/exerr"
)
func (app *Application) showErrorNotification(msg string, body string) {
app.LogDebug("{notify-send} " + msg)
res, err := cmdext.
Runner("notify-send").
Arg("--urgency=critical").
Arg("--app-name=kpsync").
Arg("--print-id").
Arg(msg).
Arg(body).
Run()
if err != nil {
app.LogError("Failed to show notification", err)
return
}
if res.ExitCode != 0 {
app.LogError("Failed to show notification", nil)
app.LogDebug(fmt.Sprintf("ExitCode: %d", res.ExitCode))
app.LogDebug(fmt.Sprintf("Stdout: %s", res.StdOut))
app.LogDebug(fmt.Sprintf("Stderr: %s", res.StdErr))
return
}
app.LogDebug(fmt.Sprintf("Displayed notification with id %s", res.StdOut))
}
func (app *Application) showSuccessNotification(msg string) {
//TODO
func (app *Application) showSuccessNotification(msg string, body string) {
app.LogDebug("{notify-send} " + msg)
res, err := cmdext.
Runner("notify-send").
Arg("--urgency=normal").
Arg("--app-name=kpsync").
Arg("--print-id").
Arg(msg).
Arg(body).
Run()
if err != nil {
app.LogError("Failed to show notification", err)
return
}
if res.ExitCode != 0 {
app.LogError("Failed to show notification", nil)
app.LogDebug(fmt.Sprintf("ExitCode: %d", res.ExitCode))
app.LogDebug(fmt.Sprintf("Stdout: %s", res.StdOut))
app.LogDebug(fmt.Sprintf("Stderr: %s", res.StdErr))
return
}
app.LogDebug(fmt.Sprintf("Displayed notification with id %s", res.StdOut))
}
func (app *Application) showChoiceNotification(msg string, body string, options map[string]string) (string, error) {
app.LogDebug(fmt.Sprintf("{notify-send} %s {%d choices}", msg, len(options)))
bldr := cmdext.
Runner("notify-send").
Arg("--wait").
Arg("--app-name=kpsync")
for kOpt, vOpt := range options {
bldr = bldr.Arg("--action=" + kOpt + "=" + vOpt)
}
bldr = bldr.Arg(msg)
res, err := bldr.Run()
if err != nil {
app.LogError("Failed to show choice-notification", err)
return "", exerr.Wrap(err, "").Build()
}
if res.ExitCode != 0 {
return "", nil
}
return strings.TrimSpace(res.StdOut), nil
}

249
app/sync.go
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@ -16,11 +16,19 @@ import (
"mikescher.com/kpsync/assets"
)
func (app *Application) initSync() error {
type InitSyncResponse string //@enum:type
const (
InitSyncResponseOkay InitSyncResponse = "OKAY"
InitSyncResponseFallback InitSyncResponse = "FALLBACK"
InitSyncResponseAbort InitSyncResponse = "ABORT"
)
func (app *Application) initSync() (InitSyncResponse, error) {
err := os.MkdirAll(app.config.WorkDir, os.ModePerm)
if err != nil {
return exerr.Wrap(err, "").Build()
return "", exerr.Wrap(err, "").Build()
}
app.dbFile = path.Join(app.config.WorkDir, path.Base(app.config.LocalFallback))
@ -28,7 +36,7 @@ func (app *Application) initSync() error {
if app.isKeepassRunning() {
app.LogError("keepassxc is already running!", nil)
return exerr.New(exerr.TypeInternal, "keepassxc is already running").Build()
return "", exerr.New(exerr.TypeInternal, "keepassxc is already running").Build()
}
state := app.readState()
@ -89,20 +97,42 @@ func (app *Application) initSync() error {
return nil
}()
if err != nil {
return exerr.Wrap(err, "").Build()
r, err := app.showChoiceNotification("Failed to download remote database.\nUse local fallback?", map[string]string{"y": "Yes", "n": "Abort"})
if err != nil {
app.LogError("Failed to show choice notification", err)
return "", exerr.Wrap(err, "Failed to show choice notification").Build()
}
if r == "y" {
return InitSyncResponseFallback, nil
} else if r == "n" {
return InitSyncResponseAbort, nil
} else {
return "", exerr.Wrap(err, "").Build()
}
}
return InitSyncResponseOkay, nil
} else {
app.LogInfo(fmt.Sprintf("Skip download - use existing local database %s", app.dbFile))
app.LogLine()
}
return nil
return InitSyncResponseOkay, nil
}
}
func (app *Application) runKeepass() {
func (app *Application) runKeepass(fallback bool) {
app.LogInfo("Starting keepassxc...")
cmd := exec.Command("keepassxc", app.dbFile)
filePath := app.dbFile
if fallback {
filePath = app.config.LocalFallback
}
cmd := exec.Command("keepassxc", filePath)
go func() {
select {
@ -138,7 +168,7 @@ func (app *Application) runKeepass() {
if errors.As(err, &exitErr) {
app.LogInfo(fmt.Sprintf("keepass exited with code %d", exitErr.ExitCode()))
app.sigStopChan <- true
app.sigKPExitChan <- true
return
}
@ -152,7 +182,7 @@ func (app *Application) runKeepass() {
app.LogInfo("keepassxc exited successfully")
app.LogLine()
app.sigStopChan <- true
app.sigKPExitChan <- true
return
}
@ -190,65 +220,152 @@ func (app *Application) runSyncLoop() error {
continue
}
func() {
app.masterLock.Lock()
app.uploadRunning.Wait(false)
app.uploadRunning.Set(true)
app.masterLock.Unlock()
defer app.uploadRunning.Set(false)
app.LogInfo("Database file was modified")
app.LogInfo(fmt.Sprintf("Sleeping for %d seconds", app.config.Debounce))
time.Sleep(timeext.FromSeconds(app.config.Debounce))
state := app.readState()
localCS, err := app.calcLocalChecksum()
if err != nil {
app.LogError("Failed to calculate local database checksum", err)
app.showErrorNotification("Failed to calculate local database checksum")
return
}
if localCS == state.Checksum {
app.LogInfo("Local database still matches remote (via checksum) - no need to upload")
app.LogInfo(fmt.Sprintf("Checksum (remote/cached) := %s", state.Checksum))
app.LogInfo(fmt.Sprintf("Checksum (local) := %s", localCS))
return
}
etag, lm, sha, sz, err := app.uploadDatabase(langext.Ptr(state.ETag))
if errors.Is(err, ETagConflictError) {
//TODO - choice notification
} else if err != nil {
app.LogError("Failed to upload remote database", err)
app.showErrorNotification("Failed to upload remote database")
return
}
app.LogInfo(fmt.Sprintf("Uploaded database to remote"))
app.LogDebug(fmt.Sprintf("Checksum := %s", sha))
app.LogDebug(fmt.Sprintf("ETag := %s", etag))
app.LogDebug(fmt.Sprintf("Size := %s (%d)", langext.FormatBytes(sz), sz))
app.LogDebug(fmt.Sprintf("LastModified := %s", lm.Format(time.RFC3339)))
err = app.saveState(etag, lm, sha, sz)
if err != nil {
app.LogError("Failed to save state", err)
app.showErrorNotification("Failed to save state")
return
}
app.showSuccessNotification("Uploaded database successfully")
app.LogLine()
}()
app.onDBFileChanged()
case err := <-watcher.Errors:
app.LogError("Filewatcher reported an error", err)
}
}
}
func (app *Application) onDBFileChanged() {
app.masterLock.Lock()
app.uploadRunning.Wait(false)
app.uploadRunning.Set(true)
app.masterLock.Unlock()
defer app.uploadRunning.Set(false)
fin1 := app.setTrayState("Uploading database", assets.IconUpload)
defer fin1()
app.LogInfo("Database file was modified")
app.LogInfo(fmt.Sprintf("Sleeping for %d seconds", app.config.Debounce))
time.Sleep(timeext.FromSeconds(app.config.Debounce))
state := app.readState()
localCS, err := app.calcLocalChecksum()
if err != nil {
app.LogError("Failed to calculate local database checksum", err)
app.showErrorNotification("KeePassSync: Error", "Failed to calculate local database checksum")
return
}
if state != nil && localCS == state.Checksum {
app.LogInfo("Local database still matches remote (via checksum) - no need to upload")
app.LogInfo(fmt.Sprintf("Checksum (remote/cached) := %s", state.Checksum))
app.LogInfo(fmt.Sprintf("Checksum (local) := %s", localCS))
return
}
app.LogInfo("Uploading database to remote")
var eTagPtr *string = nil
if state != nil {
eTagPtr = langext.Ptr(state.ETag)
}
etag, lm, sha, sz, err := app.uploadDatabase(eTagPtr)
if errors.Is(err, ETagConflictError) {
fin1()
fin2 := app.setTrayState("Uploading database (conflict", assets.IconUploadConflict)
defer fin2()
r, err := app.showChoiceNotification("KeePassSync: Upload failed", "Conflict with remote file.\n[1] Overwrite remote file\n[2] Download remote and sync manually", map[string]string{"o": "Overwrite", "d": "Download", "a": "Abort"})
if err != nil {
app.LogError("Failed to show choice notification", err)
return
}
if r == "o" {
app.LogInfo("Uploading database to remote (unchecked)")
etag, lm, sha, sz, err := app.uploadDatabase(nil) // unchecked upload
if err != nil {
app.LogError("Failed to upload remote database", err)
app.showErrorNotification("KeePassSync: Error", "Failed to upload remote database")
return
}
app.LogInfo(fmt.Sprintf("Uploaded database to remote"))
app.LogDebug(fmt.Sprintf("Checksum := %s", sha))
app.LogDebug(fmt.Sprintf("ETag := %s", etag))
app.LogDebug(fmt.Sprintf("Size := %s (%d)", langext.FormatBytes(sz), sz))
app.LogDebug(fmt.Sprintf("LastModified := %s", lm.Format(time.RFC3339)))
err = app.saveState(etag, lm, sha, sz)
if err != nil {
app.LogError("Failed to save state", err)
app.showErrorNotification("KeePassSync: Error", "Failed to save state")
return
}
app.showSuccessNotification("KeePassSync", "Uploaded database successfully (overwrite remote)")
app.LogLine()
return
} else if r == "d" {
app.LogInfo(fmt.Sprintf("Re-Downloading remote database to %s", app.dbFile))
etag, lm, sha, sz, err := app.downloadDatabase()
if err != nil {
app.LogError("Failed to download remote database", err)
return
}
app.LogInfo(fmt.Sprintf("Downloaded remote database to %s", app.dbFile))
app.LogInfo(fmt.Sprintf("Checksum := %s", sha))
app.LogInfo(fmt.Sprintf("ETag := %s", etag))
app.LogInfo(fmt.Sprintf("Size := %s (%d)", langext.FormatBytes(sz), sz))
app.LogInfo(fmt.Sprintf("LastModified := %s", lm.Format(time.RFC3339)))
err = app.saveState(etag, lm, sha, sz)
if err != nil {
app.LogError("Failed to save state", err)
return
}
app.showSuccessNotification("KeePassSync", "Re-Downloaded database successfully")
app.LogLine()
} else if r == "a" {
app.sigManualStopChan <- true
return
} else {
app.LogError("Unknown choice in notification: '"+r+"'", nil)
app.showErrorNotification("KeePassSync: Error", "Unknown choice in notification: '"+r+"'")
return
}
} else if err != nil {
app.LogError("Failed to upload remote database", err)
app.showErrorNotification("KeePassSync: Error", "Failed to upload remote database")
return
}
app.LogInfo(fmt.Sprintf("Uploaded database to remote"))
app.LogDebug(fmt.Sprintf("Checksum := %s", sha))
app.LogDebug(fmt.Sprintf("ETag := %s", etag))
app.LogDebug(fmt.Sprintf("Size := %s (%d)", langext.FormatBytes(sz), sz))
app.LogDebug(fmt.Sprintf("LastModified := %s", lm.Format(time.RFC3339)))
err = app.saveState(etag, lm, sha, sz)
if err != nil {
app.LogError("Failed to save state", err)
app.showErrorNotification("KeePassSync: Error", "Failed to save state")
return
}
app.showSuccessNotification("KeePassSync: Error", "Uploaded database successfully")
app.LogLine()
}

8
app/tray.go
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@ -38,16 +38,24 @@ func (app *Application) setTrayState(txt string, icon []byte) func() {
systray.SetIcon(icon)
systray.SetTooltip(txt)
var finDone = false
fin := func() {
app.masterLock.Lock()
defer app.masterLock.Unlock()
if finDone {
return
}
if !app.trayReady.Get() {
return
}
systray.SetIcon(assets.IconDefault)
systray.SetTooltip("Sleeping...")
finDone = true
}
return fin

6
assets/assets.go
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@ -12,3 +12,9 @@ var IconDefault []byte
//go:embed iconDownload.png
var IconDownload []byte
//go:embed iconUpload.png
var IconUpload []byte
//go:embed iconUploadConflict.png
var IconUploadConflict []byte

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