Do not rely on importing projects for libmutton initialization

2026-08-30 22:06:32 -04:00 · 2025-05-29 23:35:50 +00:00
parent 50ab27c674
commit 74b8261bc8
11 changed files with 185 additions and 104 deletions
@@ -0,0 +1,52 @@
+package synccycles
+
+import (
+	"errors"
+	"math/rand"
+	"os"
+	"strconv"
+	"strings"
+	"time"
+
+	"github.com/rwinkhart/libmutton/global"
+	"github.com/rwinkhart/libmutton/syncclient"
+)
+
+// DeviceIDGen generates a new client device ID and registers it with the server (will replace existing one).
+// Device IDs are only needed for online synchronization.
+// Device IDs are guaranteed unique as the current UNIX time is appended to them.
+// Returns: the remote EntryRoot and OS type indicator.
+func DeviceIDGen(oldDeviceID string) (string, string, error) {
+	// generate new device ID
+	deviceIDPrefix, _ := os.Hostname()
+	deviceIDSuffix := StringGen(rand.Intn(32)+48, 0.2, 1) + "-" + strconv.FormatInt(time.Now().Unix(), 10)
+	newDeviceID := deviceIDPrefix + "-" + deviceIDSuffix
+
+	// create new device ID file (locally)
+	fileToClose, err := os.OpenFile(global.ConfigDir+global.PathSeparator+"devices"+global.PathSeparator+newDeviceID, os.O_CREATE|os.O_WRONLY, 0600)
+	if err != nil {
+		return "", "", errors.New("failed to create local device ID file: " + err.Error())
+	}
+	_ = fileToClose.Close() // error ignored; if the file could be created, it can probably be closed
+
+	// remove old device ID file (locally; may not exist)
+	err = os.RemoveAll(global.ConfigDir + global.PathSeparator + "devices" + global.PathSeparator + oldDeviceID)
+	if err != nil {
+		return "", "", errors.New("failed to remove old device ID file (locally): " + err.Error())
+	}
+
+	// register new device ID with server and fetch remote EntryRoot and OS type
+	// also removes the old device ID file (remotely)
+	// manualSync is true so the user is alerted if device ID registration fails
+	sshClient, _, _, err := syncclient.GetSSHClient(true)
+	if err != nil {
+		return "", "", errors.New("device ID gen failed - unable to connect to SSH client: " + err.Error())
+	}
+	sshEntryRootSSHIsWindows := strings.Split(syncclient.GetSSHOutput(sshClient, "libmuttonserver register", newDeviceID+"\n"+oldDeviceID), global.FSSpace)
+	err = sshClient.Close()
+	if err != nil {
+		return "", "", errors.New("device ID gen failed - unable to close SSH client: " + err.Error())
+	}
+
+	return sshEntryRootSSHIsWindows[0], sshEntryRootSSHIsWindows[1], nil
+}