{
  "name": "Alert on an Invalid Domain Certificate",
  "nodes": [
    {
      "name": "On clicking 'execute'",
      "type": "n8n-nodes-base.manualTrigger",
      "position": [
        240,
        290
      ],
      "parameters": {},
      "typeVersion": 1,
      "id": "alert-invalid-domain-certificate-0"
    },
    {
      "name": "Set domain",
      "type": "n8n-nodes-base.code",
      "typeVersion": 2,
      "parameters": {
        "mode": "runOnceForAllItems",
        "jsCode": "function domain({domain}) {\n if(typeof domain!=='string'||domain.length>253||!domain||!domain.split('.').every(x=>/^[a-z0-9](?:[a-z0-9-]{0,61}[a-z0-9])?$/i.test(x))||!domain.includes('.'))throw Error('Enter a valid domain name without protocol or port');\n return {domain:domain.toLowerCase(),body:{processor:'get-domain-certificate',params:{domain:domain.toLowerCase()}}};\n}\n\nreturn [{json:domain({domain:'example.com'})}];"
      },
      "id": "alert-invalid-domain-certificate-1"
    },
    {
      "name": "Get SSL Certificate",
      "type": "n8n-nodes-base.uproc",
      "position": [
        650,
        290
      ],
      "parameters": {
        "tool": "getDomainCertificate",
        "group": "internet",
        "domain": "={{ $json.domain }}",
        "additionalOptions": {}
      },
      "typeVersion": 1,
      "id": "alert-invalid-domain-certificate-2"
    },
    {
      "name": "Read certificate validity",
      "type": "n8n-nodes-base.code",
      "typeVersion": 2,
      "parameters": {
        "mode": "runOnceForAllItems",
        "jsCode": "function certificate({body,domain}) {\n const valid=body?.message?.valid;if(valid!==true&&valid!==false&&valid!=='true'&&valid!=='false')throw Error('Uproc did not return certificate validity');\n return {invalid:valid===false||valid==='false',text:'The certificate for '+domain+' is outside its validity date range.'};\n}\n\nreturn [{json:certificate({body:$input.first().json,domain:$('Set domain').first().json.domain})}];"
      },
      "id": "alert-invalid-domain-certificate-3"
    },
    {
      "name": "Outside validity dates?",
      "type": "n8n-nodes-base.if",
      "typeVersion": 1,
      "parameters": {
        "conditions": {
          "string": [
            {
              "value1": "={{ $json.invalid.toString() }}",
              "value2": "true",
              "operation": "equal"
            }
          ]
        }
      },
      "id": "alert-invalid-domain-certificate-4"
    },
    {
      "name": "Send Expired Alarm",
      "type": "n8n-nodes-base.telegram",
      "position": [
        1070,
        270
      ],
      "parameters": {
        "text": "={{ $json.text }}",
        "chatId": "YOUR_TELEGRAM_CHAT_ID",
        "additionalFields": {}
      },
      "typeVersion": 1,
      "id": "alert-invalid-domain-certificate-5"
    }
  ],
  "active": false,
  "settings": {},
  "connections": {
    "On clicking 'execute'": {
      "main": [
        [
          {
            "node": "Set domain",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Set domain": {
      "main": [
        [
          {
            "node": "Get SSL Certificate",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Get SSL Certificate": {
      "main": [
        [
          {
            "node": "Read certificate validity",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Read certificate validity": {
      "main": [
        [
          {
            "node": "Outside validity dates?",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Outside validity dates?": {
      "main": [
        [
          {
            "node": "Send Expired Alarm",
            "type": "main",
            "index": 0
          }
        ],
        []
      ]
    }
  },
  "pinData": {}
}