feat: build device info util

internal/util/session.go

@@ -0,0 +1,39 @@
+package util
+
+import (
+	"encoding/json"
+	"fmt"
+	"log"
+
+	"gitea.local/admin/hspguard/internal/types"
+	"github.com/avct/uasurfer"
+)
+
+func BuildDeviceInfo(userAgent string, remoteAddr string) []byte {
+	var deviceInfo types.DeviceInfo
+
+	parsed := uasurfer.Parse(userAgent)
+
+	deviceInfo.Browser = parsed.Browser.Name.StringTrimPrefix()
+	deviceInfo.BrowserVersion = fmt.Sprintf("%d.%d.%d", parsed.Browser.Version.Major, parsed.Browser.Version.Minor, parsed.Browser.Version.Patch)
+	deviceInfo.DeviceName = fmt.Sprintf("%s %s", parsed.OS.Platform.StringTrimPrefix(), parsed.OS.Name.StringTrimPrefix())
+	deviceInfo.DeviceType = parsed.DeviceType.StringTrimPrefix()
+	deviceInfo.OS = parsed.OS.Platform.StringTrimPrefix()
+	deviceInfo.OSVersion = fmt.Sprintf("%d.%d.%d", parsed.OS.Version.Major, parsed.OS.Version.Minor, parsed.OS.Version.Patch)
+	deviceInfo.UserAgent = userAgent
+
+	if location, err := GetLocation(remoteAddr); err != nil {
+		log.Printf("WARN: Failed to get location from ip (%s): %v\n", remoteAddr, err)
+	} else {
+		log.Printf("DEBUG: Response from IP fetcher: %#v\n", location)
+		deviceInfo.Location = fmt.Sprintf("%s, %s, %s", location.Country, location.Region, location.City)
+	}
+
+	serialized, err := json.Marshal(deviceInfo)
+	if err != nil {
+		log.Printf("ERR: Failed to serialize device info: %v\n", err)
+		serialized = []byte{'{', '}'}
+	}
+
+	return serialized
+}