Add SSL certificate checker

Implement SSL certificate checking functionality

server/service-operation/types/operation.go

@@ -1,4 +1,3 @@
-
 package types
 
 import "time"
@@ -10,6 +9,7 @@ const (
 	OperationDNS  OperationType = "dns"
 	OperationTCP  OperationType = "tcp"
 	OperationHTTP OperationType = "http"
+	OperationSSL  OperationType = "ssl"
 )
 
 type OperationRequest struct {
@@ -56,6 +56,17 @@ type OperationResult struct {
 	ContentLength  int64        `json:"content_length,omitempty"`
 	ResponseBody   string       `json:"response_body,omitempty"`
 	
+	// SSL specific fields
+	SSLValidFrom     time.Time   `json:"ssl_valid_from,omitempty"`
+	SSLValidTill     time.Time   `json:"ssl_valid_till,omitempty"`
+	SSLDaysLeft      int         `json:"ssl_days_left,omitempty"`
+	SSLIssuer        string      `json:"ssl_issuer,omitempty"`
+	SSLSubject       string      `json:"ssl_subject,omitempty"`
+	SSLSerialNumber  string      `json:"ssl_serial_number,omitempty"`
+	SSLAlgorithm     string      `json:"ssl_algorithm,omitempty"`
+	SSLSANs          string      `json:"ssl_sans,omitempty"`
+	SSLResolvedIP    string      `json:"ssl_resolved_ip,omitempty"`
+	
 	StartTime   time.Time       `json:"start_time"`
 	EndTime     time.Time       `json:"end_time"`
 }

server/service-operation/types/ssl.go

@@ -0,0 +1,108 @@
+
+package types
+
+import (
+	"encoding/json"
+	"strconv"
+	"time"
+)
+
+type SSLCertificate struct {
+	ID                   string    `json:"id"`
+	CollectionID         string    `json:"collectionId"`
+	CollectionName       string    `json:"collectionName"`
+	Domain               string    `json:"domain"`
+	IssuerO              string    `json:"issuer_o"`
+	Status               string    `json:"status"`
+	LastNotified         string    `json:"last_notified"`
+	WarningThreshold     int       `json:"warning_threshold"`
+	ExpiryThreshold      int       `json:"expiry_threshold"`
+	NotificationChannel  string    `json:"notification_channel"`
+	ValidFrom            string    `json:"valid_from"`
+	SerialNumber         string    `json:"serial_number"` // Changed to string to handle large numbers
+	IssuedTo             string    `json:"issued_to"`
+	ValidTill            string    `json:"valid_till"`
+	ValidityDays         int       `json:"validity_days"`
+	DaysLeft             int       `json:"days_left"`
+	ValidDaysToExpire    int       `json:"valid_days_to_expire"`
+	ResolvedIP           string    `json:"resolved_ip"`
+	IssuerCN             string    `json:"issuer_cn"`
+	CertAlg              string    `json:"cert_alg"`
+	CertSans             string    `json:"cert_sans"`
+	CheckInterval        int       `json:"check_interval"`
+	CheckAt              string    `json:"check_at"`
+	Created              string    `json:"created"`
+	Updated              string    `json:"updated"`
+}
+
+// Custom unmarshaler to handle check_interval as both string and int, and serial_number as string
+func (s *SSLCertificate) UnmarshalJSON(data []byte) error {
+	// Create a temporary struct with flexible types
+	type Alias SSLCertificate
+	aux := &struct {
+		CheckInterval interface{} `json:"check_interval"`
+		SerialNumber  interface{} `json:"serial_number"`
+		*Alias
+	}{
+		Alias: (*Alias)(s),
+	}
+
+	if err := json.Unmarshal(data, &aux); err != nil {
+		return err
+	}
+
+	// Handle check_interval conversion
+	switch v := aux.CheckInterval.(type) {
+	case string:
+		if v == "" {
+			s.CheckInterval = 1440 // Default 24 hours in minutes
+		} else {
+			interval, err := strconv.Atoi(v)
+			if err != nil {
+				s.CheckInterval = 1440 // Default on error
+			} else {
+				s.CheckInterval = interval
+			}
+		}
+	case float64:
+		s.CheckInterval = int(v)
+	case int:
+		s.CheckInterval = v
+	default:
+		s.CheckInterval = 1440 // Default 24 hours in minutes
+	}
+
+	// Handle serial_number conversion to string
+	switch v := aux.SerialNumber.(type) {
+	case string:
+		s.SerialNumber = v
+	case float64:
+		// Handle scientific notation by converting to string
+		s.SerialNumber = strconv.FormatFloat(v, 'f', 0, 64)
+	case int64:
+		s.SerialNumber = strconv.FormatInt(v, 10)
+	case int:
+		s.SerialNumber = strconv.Itoa(v)
+	default:
+		s.SerialNumber = ""
+	}
+
+	return nil
+}
+
+type SSLCheckResult struct {
+	Domain               string        `json:"domain"`
+	Success              bool          `json:"success"`
+	Error                string        `json:"error,omitempty"`
+	ValidFrom            time.Time     `json:"valid_from"`
+	ValidTill            time.Time     `json:"valid_till"`
+	DaysLeft             int           `json:"days_left"`
+	Issuer               string        `json:"issuer"`
+	Subject              string        `json:"subject"`
+	SerialNumber         string        `json:"serial_number"`
+	Algorithm            string        `json:"algorithm"`
+	SANs                 []string      `json:"sans"`
+	ResponseTime         time.Duration `json:"response_time"`
+	ResolvedIP           string        `json:"resolved_ip"`
+	CheckedAt            time.Time     `json:"checked_at"`
+}