Fix GetDomainName()

Makefile

@@ -41,8 +41,8 @@ release:
 	fi
 
 	@echo "Set GITEA_TOKEN variable and run goreleaser"
-	@$(eval GITEA_TOKEN=$(shell pass www/behzadan.ir/git/reza/tokens/dt06-goreleaser))
-	@goreleaser release
+	@export GITEA_TOKEN=$(shell pass www/behzadan.ir/git/reza/tokens/dt06-goreleaser) \
+	goreleaser release
 
 
 .PHONY: run

VERSION

@@ -1 +1 @@
-1.3.2
+1.4.2

functions/common.go

@@ -1,9 +1,6 @@
 package functions
 
 import (
-	"fmt"
-	"net"
-	"os"
 	"strings"
 
 	"golang.org/x/text/cases"
@@ -18,40 +15,3 @@ func Title(s string) string {
 func Split(sep, s string) []string {
 	return strings.Split(s, sep)
 }
-
-// getDomainName attempts to find the domain name of the host.
-// It returns the domain name if found, otherwise an error.
-func getDomainName() (string, error) {
-	// Get the hostname
-	hostname, err := os.Hostname()
-	if err != nil {
-		return "", fmt.Errorf("error getting hostname: %v", err)
-	}
-
-	// Lookup IP addresses associated with the hostname
-	ips, err := net.LookupIP(hostname)
-	if err != nil {
-		return "", fmt.Errorf("error looking up IP addresses for hostname %s: %v", hostname, err)
-	}
-
-	for _, ip := range ips {
-		// Perform a reverse lookup to find the FQDN
-		names, err := net.LookupAddr(ip.String())
-		if err != nil {
-			// If there's an error, continue to the next IP
-			continue
-		}
-
-		for _, name := range names {
-			cleanName := strings.TrimSuffix(name, ".")
-			return cleanName, nil
-		}
-	}
-
-	return "", fmt.Errorf("domain name not found for host: %s", hostname)
-}
-
-func GetDomainName() string {
-	domain, _ := getDomainName()
-	return domain
-}

functions/functions.go

@@ -8,6 +8,7 @@ func FuncMap() template.FuncMap {
 		"title":  Title,
 		"split":  Split,
 		"domain": GetDomainName,
+		"genpw":  GenPassword,
 	}
 
 }

functions/getdomain.go

@@ -0,0 +1,18 @@
+package functions
+
+import (
+	"os"
+	"strings"
+)
+
+func GetDomainName() string {
+	hostname, err := os.Hostname()
+	if err != nil {
+		return "exmaple.ir"
+	}
+	parts := strings.Split(hostname, ".")
+	if len(parts) < 2 {
+		return "exmaple.ir"
+	}
+	return strings.Join(parts[1:], ".")
+}

functions/security.go

@@ -0,0 +1,35 @@
+package functions
+
+import (
+	"crypto/rand"
+	"fmt"
+)
+
+// genpw generates a random password of the given length.
+// It uses a predefined set of characters to ensure the password is readable.
+func genpw(length int) (string, error) {
+	// Define a set of characters to use in the password.
+	// You can adjust the character set to meet your password policy requirements.
+	const charset = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789!@#$%^&*()"
+
+	b := make([]byte, length) // Create a slice of bytes to store the password characters
+	_, err := rand.Read(b)    // Fill the slice with random bytes
+	if err != nil {
+		return "", fmt.Errorf("error generating random bytes: %v", err)
+	}
+
+	password := make([]byte, length)
+	for i, byteVal := range b {
+		password[i] = charset[byteVal%byte(len(charset))] // Map each byte to a character in the charset
+	}
+
+	return string(password), nil // Convert the password slice to a string and return it
+}
+
+func GenPassword(length int) string {
+	pw, err := genpw(length)
+	if err != nil {
+		return "7HQO0LfNL;={i,4@0Tz/]2#EC"
+	}
+	return pw
+}

samples/hello.go.tmpl

@@ -1 +1,2 @@
 Domain is: "{{domain}}"
+Password is: "{{genpw 32}}"