Tiktok Downloader
工作流概述
这是一个包含10个节点的复杂工作流,主要用于自动化处理各种任务。
工作流源代码
{
"id": "aVienX696oMCH1DR",
"meta": {
"instanceId": "dce6d05169adc9f802863a06c3edb9925b178c4fce2360953cce9c1b509705cc"
},
"name": "Tiktok Downloader",
"tags": [],
"nodes": [
{
"id": "4dc30078-c7df-4bcb-91ed-953cd6da4a13",
"name": "When clicking ‘Test workflow’",
"type": "n8n-nodes-base.manualTrigger",
"position": [
-280,
20
],
"parameters": {},
"typeVersion": 1
},
{
"id": "5598aa10-f667-4023-b9de-fe07e86badec",
"name": "Get TikTok Video Page Data",
"type": "n8n-nodes-base.httpRequest",
"position": [
40,
20
],
"parameters": {
"url": "https://www.tiktok.com/@randomspamvideos25/video/7251387037834595630",
"options": {
"response": {
"response": {
"fullResponse": true,
"responseFormat": "text"
}
}
},
"sendHeaders": true,
"headerParameters": {
"parameters": [
{
"name": "User-Agent",
"value": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) Chrome/91.0.4472.124"
}
]
}
},
"typeVersion": 4.2
},
{
"id": "734a5304-f67f-4ace-a1da-0d268664452c",
"name": "Scrape raw video URL",
"type": "n8n-nodes-base.code",
"position": [
480,
20
],
"parameters": {
"jsCode": "const html = $input.first().json.data;
const headers = $input.first().json.headers || {};
const cookies = headers['set-cookie'] || [];
if (!html) {
throw new Error(\"HTML body is undefined. Check the previous node's output.\");
}
const regex = /<script id=\"__UNIVERSAL_DATA_FOR_REHYDRATION__\" type=\"application\/json\">([\s\S]*?)<\/script>/;
const match = html.match(regex);
if (match) {
const jsonStr = match[1];
const data = JSON.parse(jsonStr);
const videoUrl = data?.__DEFAULT_SCOPE__?.[\"webapp.video-detail\"]?.itemInfo?.itemStruct?.video?.playAddr;
if (!videoUrl) {
throw new Error(\"Could not find video URL in the JSON data.\");
}
return [{ json: { videoUrl, cookies: cookies.join('; ') } }];
} else {
throw new Error(\"Could not find __UNIVERSAL_DATA_FOR_REHYDRATION__ script in the HTML.\");
}"
},
"typeVersion": 2
},
{
"id": "f574ccb8-6f5f-4e55-a2d5-7ad775d3c4e5",
"name": "Output video file without watermark",
"type": "n8n-nodes-base.httpRequest",
"position": [
900,
20
],
"parameters": {
"url": "={{ $json.videoUrl }}",
"options": {
"response": {
"response": {
"responseFormat": "file"
}
},
"allowUnauthorizedCerts": true
},
"sendHeaders": true,
"headerParameters": {
"parameters": [
{
"name": "User-Agent",
"value": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/91.0.4472.124 Safari/537.36"
},
{
"name": "Referer",
"value": "https://www.tiktok.com/"
},
{
"name": "Accept",
"value": "video/mp4,video/webm,video/*;q=0.9,application/octet-stream;q=0.8"
},
{
"name": "Accept-Language",
"value": "en-US,en;q=0.5"
},
{
"name": "Connection",
"value": "keep-alive"
},
{
"name": "Cookie",
"value": "={{ $json.cookies }}"
}
]
}
},
"typeVersion": 4.2
},
{
"id": "73d4ffa7-2264-4a84-9ab2-2004342e3039",
"name": "Sticky Note",
"type": "n8n-nodes-base.stickyNote",
"position": [
-140,
-180
],
"parameters": {
"color": 6,
"width": 460,
"height": 360,
"content": "## 1. Load the video page
Open this node and replace the URL with the one of the video you want to download without a watermark.
A Tiktok video URL looks like: https://www.tiktok.com/@Username_here/video/Video_ID_Here
Outputs the returned page HTML along with the session cookies
"
},
"typeVersion": 1
},
{
"id": "848fc04b-2620-4d83-8701-52c053f7c017",
"name": "Sticky Note1",
"type": "n8n-nodes-base.stickyNote",
"position": [
340,
-180
],
"parameters": {
"color": 5,
"width": 380,
"height": 360,
"content": "## 2. Find the raw video URL
Parses through all of the HTML and finds the section containing the video URL before the watermark is applied"
},
"typeVersion": 1
},
{
"id": "40b3a2bd-5733-43a8-951c-d5fa26647615",
"name": "Sticky Note2",
"type": "n8n-nodes-base.stickyNote",
"position": [
740,
-180
],
"parameters": {
"color": 4,
"width": 400,
"height": 360,
"content": "## 3. Output video file without watermark
Using the cookies from step 1, a request is made to access the original video file as shown on TikTok"
},
"typeVersion": 1
},
{
"id": "36629265-f139-433f-9603-0670a08be1ed",
"name": "Upload to Google Drive",
"type": "n8n-nodes-base.googleDrive",
"position": [
300,
360
],
"parameters": {
"name": "={{ $node[\"Get TikTok Video Page Data\"].parameter[\"url\"].match(/\/video\/(\d+)/)[1] + \".mp4\" }}",
"driveId": {
"__rl": true,
"mode": "list",
"value": "My Drive"
},
"options": {},
"folderId": {
"__rl": true,
"mode": "list",
"value": "root",
"cachedResultUrl": "https://drive.google.com/drive",
"cachedResultName": "/ (Root folder)"
}
},
"credentials": {
"googleDriveOAuth2Api": {
"id": "ZvDuyVfbZJbDJXcS",
"name": "Google Drive account"
}
},
"typeVersion": 3
},
{
"id": "94364c83-14ce-48c3-afe5-b7cd8addd2a0",
"name": "Set file permissions to public with link",
"type": "n8n-nodes-base.googleDrive",
"position": [
560,
360
],
"parameters": {
"fileId": {
"__rl": true,
"mode": "id",
"value": "={{ $json.id }}"
},
"options": {},
"operation": "share",
"permissionsUi": {
"permissionsValues": {
"role": "writer",
"type": "anyone",
"allowFileDiscovery": true
}
}
},
"credentials": {
"googleDriveOAuth2Api": {
"id": "ZvDuyVfbZJbDJXcS",
"name": "Google Drive account"
}
},
"typeVersion": 3
},
{
"id": "d37ad36c-0b7f-4c2c-9538-dc8bf75e997f",
"name": "Sticky Note3",
"type": "n8n-nodes-base.stickyNote",
"position": [
260,
200
],
"parameters": {
"color": 7,
"width": 500,
"height": 320,
"content": "## (Optional) Upload video to Google Drive
An expression is used to save the file to your Google Drive as Video_ID.mp4
Note: Must have Google Drive API enabled in [Google Cloud Console](https://console.cloud.google.com/apis/api/drive.googleapis.com/overview) OAuth ClientID and Client Secret credentials setup"
},
"typeVersion": 1
}
],
"active": false,
"pinData": {},
"settings": {
"executionOrder": "v1"
},
"versionId": "70234bbb-ccaf-4291-a50b-063e07303678",
"connections": {
"Scrape raw video URL": {
"main": [
[
{
"node": "Output video file without watermark",
"type": "main",
"index": 0
}
]
]
},
"Upload to Google Drive": {
"main": [
[
{
"node": "Set file permissions to public with link",
"type": "main",
"index": 0
}
]
]
},
"Get TikTok Video Page Data": {
"main": [
[
{
"node": "Scrape raw video URL",
"type": "main",
"index": 0
}
]
]
},
"When clicking ‘Test workflow’": {
"main": [
[
{
"node": "Get TikTok Video Page Data",
"type": "main",
"index": 0
}
]
]
},
"Output video file without watermark": {
"main": [
[
{
"node": "Upload to Google Drive",
"type": "main",
"index": 0
}
]
]
}
}
}
功能特点
- 自动检测新邮件
- AI智能内容分析
- 自定义分类规则
- 批量处理能力
- 详细的处理日志
技术分析
节点类型及作用
- Manualtrigger
- Httprequest
- Code
- Stickynote
- Googledrive
复杂度评估
配置难度:
维护难度:
扩展性:
实施指南
前置条件
- 有效的Gmail账户
- n8n平台访问权限
- Google API凭证
- AI分类服务订阅
配置步骤
- 在n8n中导入工作流JSON文件
- 配置Gmail节点的认证信息
- 设置AI分类器的API密钥
- 自定义分类规则和标签映射
- 测试工作流执行
- 配置定时触发器(可选)
关键参数
| 参数名称 | 默认值 | 说明 |
|---|---|---|
| maxEmails | 50 | 单次处理的最大邮件数量 |
| confidenceThreshold | 0.8 | 分类置信度阈值 |
| autoLabel | true | 是否自动添加标签 |
最佳实践
优化建议
- 定期更新AI分类模型以提高准确性
- 根据邮件量调整处理批次大小
- 设置合理的分类置信度阈值
- 定期清理过期的分类规则
安全注意事项
- 妥善保管API密钥和认证信息
- 限制工作流的访问权限
- 定期审查处理日志
- 启用双因素认证保护Gmail账户
性能优化
- 使用增量处理减少重复工作
- 缓存频繁访问的数据
- 并行处理多个邮件分类任务
- 监控系统资源使用情况
故障排除
常见问题
邮件未被正确分类
检查AI分类器的置信度阈值设置,适当降低阈值或更新训练数据。
Gmail认证失败
确认Google API凭证有效且具有正确的权限范围,重新进行OAuth授权。
调试技巧
- 启用详细日志记录查看每个步骤的执行情况
- 使用测试邮件验证分类逻辑
- 检查网络连接和API服务状态
- 逐步执行工作流定位问题节点
错误处理
工作流包含以下错误处理机制:
- 网络超时自动重试(最多3次)
- API错误记录和告警
- 处理失败邮件的隔离机制
- 异常情况下的回滚操作