{
  "nodes": [
    {
      "name": "Check daily at 03:00 UTC",
      "type": "n8n-nodes-base.scheduleTrigger",
      "notes": "Cron trigger to reset zoom meeting on the auto-redirect link",
      "position": [
        1120,
        580
      ],
      "parameters": {
        "rule": {
          "interval": [
            {
              "field": "days",
              "daysInterval": 1,
              "triggerAtHour": 3,
              "triggerAtMinute": 0
            }
          ]
        }
      },
      "typeVersion": 1.2,
      "id": "refresh-zoom-meeting-redirect-page-0"
    },
    {
      "id": "refresh-zoom-meeting-redirect-page-1",
      "name": "Check the 360-day schedule",
      "type": "n8n-nodes-base.code",
      "typeVersion": 2,
      "position": [
        400,
        300
      ],
      "parameters": {
        "mode": "runOnceForAllItems",
        "jsCode": "function scheduled({anchorDate,instant}){if(typeof anchorDate!=='string'||!/^\\d{4}-\\d{2}-\\d{2}$/.test(anchorDate))throw Error('Set the UTC start date as YYYY-MM-DD');const start=Date.parse(anchorDate+'T00:00:00Z');if(!Number.isFinite(start)||new Date(start).toISOString().slice(0,10)!==anchorDate)throw Error('Invalid UTC start date');const now=instant==null?Date.now():Date.parse(instant);if(!Number.isFinite(now))throw Error('Invalid current time');const today=Date.parse(new Date(now).toISOString().slice(0,10)+'T00:00:00Z'),days=(today-start)/86400000;return {run:days>=0&&days%360===0};}\n\nconst anchorDate='YYYY-MM-DD';\nreturn scheduled({anchorDate,instant:null}).run ? $input.all() : [];"
      }
    },
    {
      "name": "Zoom",
      "type": "n8n-nodes-base.zoom",
      "position": [
        1340,
        580
      ],
      "parameters": {
        "topic": "New Meeting",
        "authentication": "oAuth2",
        "additionalFields": {
          "type": 3,
          "settings": {
            "muteUponEntry": true,
            "joinBeforeHost": true,
            "participantVideo": true
          },
          "timeZone": "America/New_York"
        }
      },
      "typeVersion": 1,
      "id": "refresh-zoom-meeting-redirect-page-2"
    },
    {
      "id": "refresh-zoom-meeting-redirect-page-3",
      "name": "Prepare the redirect",
      "type": "n8n-nodes-base.code",
      "typeVersion": 2,
      "position": [
        800,
        300
      ],
      "parameters": {
        "mode": "runOnceForEachItem",
        "jsCode": "function redirect({meeting}){const url=meeting?.joinUrl;if(typeof url!=='string'||!/^https:\\/\\/(?:[a-z0-9-]+\\.)*zoom\\.us\\//i.test(url)||/[\\s\"'<>]/.test(url))throw Error('Zoom returned an invalid join URL');const safe=url.replaceAll('&','&amp;');return {url,content:'<meta http-equiv=\"refresh\" content=\"0;'+safe+'\">\\n<p>Redirecting, please wait a moment. Meeting will begin shortly…</p>'};}\n\nreturn {json:redirect({meeting:{joinUrl:$json.join_url}})};"
      }
    },
    {
      "name": "Wordpress",
      "type": "n8n-nodes-base.wordpress",
      "position": [
        1560,
        580
      ],
      "parameters": {
        "pageId": "1",
        "resource": "page",
        "operation": "update",
        "updateFields": {
          "content": "={{ $(\"Prepare the redirect\").item.json.content }}"
        }
      },
      "typeVersion": 1,
      "id": "refresh-zoom-meeting-redirect-page-4"
    },
    {
      "id": "refresh-zoom-meeting-redirect-page-5",
      "name": "Confirm the redirect",
      "type": "n8n-nodes-base.code",
      "typeVersion": 2,
      "position": [
        1200,
        300
      ],
      "parameters": {
        "mode": "runOnceForEachItem",
        "jsCode": "function confirmPage({page,url}){\n const content=page?.content?.rendered;if(typeof content!=='string'||typeof url!=='string')throw Error('WordPress returned no redirect content');\n const tags=content.match(/<meta\\b[^>]*>/gi)??[];\n const found=tags.some(tag=>{if(!/\\bhttp-equiv\\s*=\\s*[\"']refresh[\"']/i.test(tag))return false;const value=tag.match(/\\bcontent\\s*=\\s*([\"'])(.*?)\\1/i)?.[2];if(typeof value!=='string')return false;const decoded=value.replace(/&amp;|&#0*38;|&#x0*26;/gi,'&');return decoded==='0;'+url;});\n if(!found)throw Error('WordPress did not return the expected redirect; check its HTML policy and page');return {message:'Zoom recurring meeting updated!\\n'+url};\n}\n\nreturn {json:confirmPage({page:$json,url:$(\"Prepare the redirect\").item.json.url})};"
      }
    },
    {
      "name": "Slack",
      "type": "n8n-nodes-base.slack",
      "position": [
        1780,
        580
      ],
      "parameters": {
        "text": "={{ $json.message }}",
        "select": "channel",
        "channelId": {
          "__rl": true,
          "mode": "id",
          "value": "YOUR_SLACK_CHANNEL_ID"
        },
        "otherOptions": {
          "includeLinkToWorkflow": false
        }
      },
      "typeVersion": 2.2,
      "id": "refresh-zoom-meeting-redirect-page-6"
    }
  ],
  "pinData": {},
  "connections": {
    "Check daily at 03:00 UTC": {
      "main": [
        [
          {
            "node": "Check the 360-day schedule",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Check the 360-day schedule": {
      "main": [
        [
          {
            "node": "Zoom",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Zoom": {
      "main": [
        [
          {
            "node": "Prepare the redirect",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Prepare the redirect": {
      "main": [
        [
          {
            "node": "Wordpress",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Wordpress": {
      "main": [
        [
          {
            "node": "Confirm the redirect",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Confirm the redirect": {
      "main": [
        [
          {
            "node": "Slack",
            "type": "main",
            "index": 0
          }
        ]
      ]
    }
  },
  "name": "Refresh a Zoom Meeting Redirect Page",
  "active": false,
  "settings": {
    "timezone": "UTC"
  }
}