cleanup

common.go

@@ -1,50 +1,49 @@
-package main
-
-import (
-	"crypto/rand"
-	"encoding/base64"
-	"html/template"
-	"log"
-	"strings"
-)
-
-var (
-	funcs = template.FuncMap{
-		"sub": func(a, b int) int {
-			return a - b
-		},
-		"add": func(a, b int) int {
-			return a + b
-		},
-	}
-)
-
-func generateStrongRandomString(length int) string {
-	bytes := make([]byte, length)
-	_, err := rand.Read(bytes)
-	if err != nil {
-		log.Fatalf("Error generating random string: %v", err)
-	}
-	return base64.URLEncoding.EncodeToString(bytes)[:length]
-}
-
-// Checks if the URL already includes a protocol
-func hasProtocol(url string) bool {
-	return strings.HasPrefix(url, "http://") || strings.HasPrefix(url, "https://")
-}
-
-// Checks if the domain is a local address
-func isLocalAddress(domain string) bool {
-	return domain == "localhost" || strings.HasPrefix(domain, "127.") || strings.HasPrefix(domain, "192.168.") || strings.HasPrefix(domain, "10.")
-}
-
-// Ensures that HTTP or HTTPS is befor the adress if needed
-func addProtocol(domain string) string {
-	if hasProtocol(domain) {
-		return domain
-	}
-	if isLocalAddress(domain) {
-		return "http://" + domain
-	}
-	return "https://" + domain
-}
+package main
+
+import (
+	"crypto/rand"
+	"encoding/base64"
+	"html/template"
+	"strings"
+)
+
+var (
+	funcs = template.FuncMap{
+		"sub": func(a, b int) int {
+			return a - b
+		},
+		"add": func(a, b int) int {
+			return a + b
+		},
+	}
+)
+
+func generateStrongRandomString(length int) string {
+	bytes := make([]byte, length)
+	_, err := rand.Read(bytes)
+	if err != nil {
+		printErr("Error generating random string: %v", err)
+	}
+	return base64.URLEncoding.EncodeToString(bytes)[:length]
+}
+
+// Checks if the URL already includes a protocol
+func hasProtocol(url string) bool {
+	return strings.HasPrefix(url, "http://") || strings.HasPrefix(url, "https://")
+}
+
+// Checks if the domain is a local address
+func isLocalAddress(domain string) bool {
+	return domain == "localhost" || strings.HasPrefix(domain, "127.") || strings.HasPrefix(domain, "192.168.") || strings.HasPrefix(domain, "10.")
+}
+
+// Ensures that HTTP or HTTPS is befor the adress if needed
+func addProtocol(domain string) string {
+	if hasProtocol(domain) {
+		return domain
+	}
+	if isLocalAddress(domain) {
+		return "http://" + domain
+	}
+	return "https://" + domain
+}