refactor(cert): introducing new management page

1. User can now view the latest renew logs of the certain certificate.

2. Add manually renew button in certificate modify page for managed certificate (auto cert)

internal/cert/write_file.go

@@ -0,0 +1,46 @@
+package cert
+
+import (
+	"os"
+	"path/filepath"
+)
+
+type Content struct {
+	SSLCertificatePath    string `json:"ssl_certificate_path" binding:"required"`
+	SSLCertificateKeyPath string `json:"ssl_certificate_key_path" binding:"required"`
+	SSLCertificate        string `json:"ssl_certificate"`
+	SSLCertificateKey     string `json:"ssl_certificate_key"`
+}
+
+func (c *Content) WriteFile() (err error) {
+	// MkdirAll creates a directory named path, along with any necessary parents,
+	// and returns nil, or else returns an error.
+	// The permission bits perm (before umask) are used for all directories that MkdirAll creates.
+	// If path is already a directory, MkdirAll does nothing and returns nil.
+
+	err = os.MkdirAll(filepath.Dir(c.SSLCertificatePath), 0644)
+	if err != nil {
+		return
+	}
+
+	err = os.MkdirAll(filepath.Dir(c.SSLCertificateKeyPath), 0644)
+	if err != nil {
+		return
+	}
+
+	if c.SSLCertificate != "" {
+		err = os.WriteFile(c.SSLCertificatePath, []byte(c.SSLCertificate), 0644)
+		if err != nil {
+			return
+		}
+	}
+
+	if c.SSLCertificateKey != "" {
+		err = os.WriteFile(c.SSLCertificateKeyPath, []byte(c.SSLCertificateKey), 0644)
+		if err != nil {
+			return
+		}
+	}
+
+	return
+}