从Slack消息下载媒体文件

• •可能需要目标 API 的认证凭证
• •Slack Bot Token 或 Webhook URL

{
  "meta": {
    "instanceId": "4e229722e6c43a4914d2d66178b48335adf795d73afbee5b0ea0c52938ef4d8e",
    "templateCredsSetupCompleted": true
  },
  "nodes": [
    {
      "id": "0a986ad8-37ca-4869-9071-2236cefddd49",
      "name": "触发Slack文件消息",
      "type": "n8n-nodes-base.slackTrigger",
      "position": [
        -2460,
        -200
      ],
      "webhookId": "88033a8d-c5a4-4226-a742-909e005bb5b3",
      "parameters": {
        "options": {},
        "trigger": [
          "message"
        ],
        "watchWorkspace": true
      },
      "credentials": {
        "slackApi": {
          "id": "5PavU8rt9kHN9pW4",
          "name": "n8n user"
        }
      },
      "typeVersion": 1
    },
    {
      "id": "bb609575-b106-4786-8fe6-85f9eaed45c0",
      "name": "从Slack下载媒体文件",
      "type": "n8n-nodes-base.httpRequest",
      "position": [
        -2100,
        -200
      ],
      "parameters": {
        "url": "={{ $('Trigger Slack File Message').item.json.files[0].url_private_download }}",
        "options": {
          "response": {
            "response": {}
          }
        },
        "authentication": "genericCredentialType",
        "genericAuthType": "httpHeaderAuth"
      },
      "credentials": {
        "httpHeaderAuth": {
          "id": "TTp4u7ld1rzfYb3s",
          "name": "Slack n8n"
        }
      },
      "typeVersion": 4.2
    },
    {
      "id": "5248c9ad-adbb-419d-a193-cf97efc14541",
      "name": "便签",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        -2560,
        -260
      ],
      "parameters": {
        "width": 320,
        "height": 220,
        "content": "该节点监听Slack中包含文件附件的新消息。"
      },
      "typeVersion": 1
    },
    {
      "id": "b363e861-cf22-4be9-a534-414d98190da0",
      "name": "便签1",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        -2180,
        -260
      ],
      "parameters": {
        "width": 320,
        "height": 220,
        "content": "该节点使用私有下载URL从Slack消息中下载文件。"
      },
      "typeVersion": 1
    }
  ],
  "pinData": {},
  "connections": {
    "Trigger Slack File Message": {
      "main": [
        [
          {
            "node": "Download Media from Slack",
            "type": "main",
            "index": 0
          }
        ]
      ]
    }
  }
}