Initial commit

cmd/demoapp/main.go

@@ -0,0 +1,73 @@
+package main
+
+import (
+	"crypto/sha256"
+	"fmt"
+	"os"
+	"time"
+)
+
+const (
+	apiKey    = "sk-proj-FAKE-KEY-1234567890abcdef"
+	secretVal = "super-secret-license-key-DO-NOT-SHARE"
+	dbConnStr = "postgres://admin:P@[email protected]:5432/production"
+	jwtSecret = "my-jwt-signing-secret-2024"
+)
+
+var licenseKey = "LIC-XXXX-YYYY-ZZZZ-PRODUCTION"
+
+func main() {
+	fmt.Println("Application started successfully")
+	fmt.Printf("Version: %s\n", getVersion())
+	fmt.Printf("Build:   %s\n", getBuildID())
+
+	processRequest("user-12345")
+}
+
+func getVersion() string {
+	return "1.0.0-prod"
+}
+
+func getBuildID() string {
+	return fmt.Sprintf("build-%d", time.Now().Unix())
+}
+
+func processRequest(userID string) {
+	fmt.Printf("Processing request for user: %s\n", userID)
+
+	if userID == "" {
+		fmt.Fprintln(os.Stderr, "Error: empty user ID")
+		os.Exit(1)
+	}
+
+	token := generateToken(userID)
+	fmt.Printf("Generated token: %s\n", maskString(token))
+
+	result := validateLicense(licenseKey)
+	fmt.Printf("License valid: %v\n", result)
+
+	_ = apiKey
+	_ = secretVal
+	_ = dbConnStr
+	_ = jwtSecret
+}
+
+func generateToken(userID string) string {
+	h := sha256.Sum256([]byte(fmt.Sprintf("%s:%d", userID, time.Now().UnixNano())))
+	return fmt.Sprintf("tok_%x", h[:8])
+}
+
+func validateLicense(key string) bool {
+	return len(key) > 10
+}
+
+func maskString(s string) string {
+	if len(s) <= 8 {
+		return "****"
+	}
+	return s[:4] + "****" + s[len(s)-4:]
+}
+
+func init() {
+	fmt.Println("Initializing secure environment...")
+}