Credentials Transfer
工作流概述
这是一个包含22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": "tlnJNm9t5H3VLU5K",
"meta": {
"instanceId": "505c2bdb4483cbbca32871c0acd4b60c83809f177e47e2864f71c1c1760a9b2a",
"templateCredsSetupCompleted": true
},
"name": "Credentials Transfer",
"tags": [],
"nodes": [
{
"id": "9bb3fd8d-cead-4325-9c77-2c1d203ac805",
"name": "Success",
"type": "n8n-nodes-base.form",
"position": [
680,
300
],
"webhookId": "6a630d50-a4b6-4fd7-a7a7-fa0283996903",
"parameters": {
"options": {},
"operation": "completion",
"completionTitle": "✅ Transfer completed",
"completionMessage": "=The credential has been transfered."
},
"typeVersion": 1
},
{
"id": "0c90e8d6-3230-4139-a625-e8656fe1c4d9",
"name": "Error",
"type": "n8n-nodes-base.form",
"position": [
680,
460
],
"webhookId": "bfaa86b9-fddf-47b3-9456-caba547a1f5e",
"parameters": {
"options": {},
"operation": "completion",
"completionTitle": "⚠️ Transfer failed",
"completionMessage": "=Please check the workflow settings"
},
"typeVersion": 1
},
{
"id": "050bb8b6-faf5-4190-a727-986d7fe6b28a",
"name": "Create Credential",
"type": "n8n-nodes-base.httpRequest",
"onError": "continueErrorOutput",
"position": [
460,
340
],
"parameters": {
"url": "={{ $json.instance.baseUrl }}/credentials",
"method": "POST",
"options": {},
"sendBody": true,
"sendHeaders": true,
"bodyParameters": {
"parameters": [
{
"name": "name",
"value": "={{ $json.credential.name }}"
},
{
"name": "type",
"value": "={{ $json.credential.type }}"
},
{
"name": "data",
"value": "={{ $json.credential.data }}"
}
]
},
"headerParameters": {
"parameters": [
{
"name": "X-N8N-API-KEY",
"value": "={{ $json.instance.apiKey }}"
}
]
}
},
"typeVersion": 4.2
},
{
"id": "17072ec2-526c-49b4-8384-e9ca347b8748",
"name": "Get Instance Names",
"type": "n8n-nodes-base.code",
"position": [
680,
-240
],
"parameters": {
"jsCode": "dropDownValues = [];
for (const instance of $input.first().json.remoteInstances) {
dropDownValues.push({\"option\": instance.name});
}
return { \"options\": JSON.stringify(dropDownValues) };"
},
"typeVersion": 2
},
{
"id": "27fdd4c4-5c39-497b-91b3-e468b20e8f8c",
"name": "Settings",
"type": "n8n-nodes-base.set",
"position": [
460,
-240
],
"parameters": {
"options": {},
"assignments": {
"assignments": [
{
"id": "8a5d50fc-95dc-40b3-a3f2-293521bab29a",
"name": "remoteInstances",
"type": "array",
"value": "=[
{
\"name\": \"n8n-test-01\",
\"apiKey\": \"n8n_api_26b5bb6d39d337bd904f3d89fe88562d456c1cd13af401f490145206f2dc516ffa1fed04a26ae689\",
\"baseUrl\": \"https://n8n-test-01.services.octionic.com/api/v1\"
}
]"
}
]
}
},
"typeVersion": 3.4
},
{
"id": "76b7d9d2-c919-42a6-8724-8771d9415e3e",
"name": "Export Credentials",
"type": "n8n-nodes-base.executeCommand",
"position": [
240,
40
],
"parameters": {
"command": "n8n export:credentials --all --pretty --decrypted --output=/tmp/cred"
},
"typeVersion": 1
},
{
"id": "b5f53aa1-ccf6-43b0-9f4c-cfc52f99aabf",
"name": "Get Credentials Data",
"type": "n8n-nodes-base.readWriteFile",
"position": [
460,
40
],
"parameters": {
"options": {},
"fileSelector": "/tmp/cred"
},
"typeVersion": 1
},
{
"id": "16fdae2d-f3e6-4030-859a-ecba74dfe4c2",
"name": "Binary to JSON",
"type": "n8n-nodes-base.extractFromFile",
"position": [
680,
40
],
"parameters": {
"options": {},
"operation": "fromJson"
},
"typeVersion": 1
},
{
"id": "3d590285-e82c-4754-8618-2a52fcda6253",
"name": "Get Credential Names",
"type": "n8n-nodes-base.code",
"position": [
900,
40
],
"parameters": {
"jsCode": "dropDownValues = [];
for (const credential of $input.first().json.data) {
dropDownValues.push({\"option\": credential.name});
}
return { \"options\": JSON.stringify(dropDownValues) };"
},
"typeVersion": 2
},
{
"id": "21615934-6834-4b4e-b521-942a24f64388",
"name": "Choose Instance",
"type": "n8n-nodes-base.form",
"position": [
900,
-240
],
"webhookId": "b1fc6927-ebe8-4a02-9d64-24bf6f6d0db6",
"parameters": {
"options": {
"formTitle": "Select Destination",
"buttonLabel": "Continue",
"formDescription": "Choose the n8n instance where the credential should be copied to"
},
"defineForm": "json",
"jsonOutput": "=[
{
\"fieldLabel\": \"Destination\",
\"fieldType\": \"dropdown\",
\"requiredField\": true,
\"fieldOptions\": {
\"values\": {{ $json.options }}
}
}
]"
},
"typeVersion": 1
},
{
"id": "d36a41c4-6ed3-4939-8562-e3f50ffcd72b",
"name": "Choose Credential",
"type": "n8n-nodes-base.form",
"position": [
1120,
40
],
"webhookId": "f732b37b-6623-4629-bc7d-99ebb56a9809",
"parameters": {
"options": {
"formTitle": "Select Credential",
"buttonLabel": "Copy now",
"formDescription": "Choose the credential which should be copied"
},
"defineForm": "json",
"jsonOutput": "=[
{
\"fieldLabel\": \"Credential\",
\"fieldType\": \"dropdown\",
\"requiredField\": true,
\"fieldOptions\": {
\"values\": {{ $json.options }}
}
}
]"
},
"typeVersion": 1
},
{
"id": "4391f0d9-3ed5-4e2b-a761-ab7bf41959f1",
"name": "Prepare Request Data",
"type": "n8n-nodes-base.code",
"position": [
240,
340
],
"parameters": {
"jsCode": "output = {};
for (const credential of $('Binary to JSON').first().json.data) {
if (credential.name == $input.first().json.Credential) {
output.credential = credential;
}
}
for (const instance of $('Settings').first().json.remoteInstances) {
if (instance.name == $('Choose Instance').first().json.Destination) {
output.instance = instance;
}
}
return output;"
},
"typeVersion": 2
},
{
"id": "571cd727-218b-4a5d-97fe-a8dcbcf15cce",
"name": "Sticky Note6",
"type": "n8n-nodes-base.stickyNote",
"position": [
400,
-340
],
"parameters": {
"width": 216.47293010628914,
"height": 255.86856541619233,
"content": "## Setup instances
Each instnce requires a name, apiKey and baseURL"
},
"typeVersion": 1
},
{
"id": "7f717bed-fac5-4b1e-acc7-a6ad9d1c4be4",
"name": "Sticky Note",
"type": "n8n-nodes-base.stickyNote",
"position": [
-360,
-340
],
"parameters": {
"color": 5,
"width": 527.8711162255479,
"height": 223.19907940161124,
"content": "## Instances config example
```
[
{
\"name\": \"n8n-test\",
\"apiKey\": \"XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX\",
\"baseUrl\": \"https://n8n-test.example.com/api/v1\"
},
{
...
}
]
```"
},
"typeVersion": 1
},
{
"id": "5e27ad60-7e65-452d-8c33-56c6c85911d3",
"name": "Sticky Note7",
"type": "n8n-nodes-base.stickyNote",
"position": [
180,
-340
],
"parameters": {
"color": 7,
"width": 216.47293010628914,
"height": 255.86856541619233,
"content": "A form with no input fields initiates the process.
*Consider securing the form using Basic Auth.*"
},
"typeVersion": 1
},
{
"id": "0b69effa-44e4-41e1-bb5d-934ed19b8488",
"name": "Sticky Note8",
"type": "n8n-nodes-base.stickyNote",
"position": [
180,
-60
],
"parameters": {
"color": 7,
"width": 655.5152156976209,
"height": 255.86856541619233,
"content": "Credentials are being fetched using the cmd tools, since there is no API endpoint available for this. The data is then converted into a JSON object."
},
"typeVersion": 1
},
{
"id": "a0f83646-dcf3-4893-bca0-a2b0ec4942b6",
"name": "Sticky Note9",
"type": "n8n-nodes-base.stickyNote",
"position": [
620,
-340
],
"parameters": {
"color": 7,
"width": 435.9715408127852,
"height": 255.86856541619233,
"content": "A list of the instance names is being extracted from the settings and used as dynamic options for the dropdown in a new form page."
},
"typeVersion": 1
},
{
"id": "78611a9e-5949-44c4-af23-78e8f689de2b",
"name": "Sticky Note10",
"type": "n8n-nodes-base.stickyNote",
"position": [
840,
-60
],
"parameters": {
"color": 7,
"width": 435.9715408127852,
"height": 255.86856541619233,
"content": "A list of the credential names is being extracted from the settings and used as dynamic options for the dropdown in a new form page."
},
"typeVersion": 1
},
{
"id": "23e9b0ea-f6a7-4072-8e87-292ba432a24d",
"name": "Sticky Note11",
"type": "n8n-nodes-base.stickyNote",
"position": [
180,
240
],
"parameters": {
"color": 7,
"width": 216.47293010628914,
"height": 255.86856541619233,
"content": "Based on the selections made by the user, the necessary data is being provided."
},
"typeVersion": 1
},
{
"id": "f13a3bce-d92d-4e2c-bb63-b37c4aa89b9b",
"name": "Sticky Note12",
"type": "n8n-nodes-base.stickyNote",
"position": [
400,
240
],
"parameters": {
"color": 7,
"width": 216.47293010628914,
"height": 255.86856541619233,
"content": "The credential data is being transferred to the selected instance based using dynamic authentication"
},
"typeVersion": 1
},
{
"id": "1788ed42-44be-41c3-8a45-3d8c74925ded",
"name": "Sticky Note13",
"type": "n8n-nodes-base.stickyNote",
"position": [
620,
240
],
"parameters": {
"color": 7,
"width": 216.47293010628914,
"height": 376.16893354714523,
"content": "Display a confirmation/error message to the user"
},
"typeVersion": 1
},
{
"id": "58cbb873-906e-4215-b501-4a1b31fdcbd9",
"name": "On form submission",
"type": "n8n-nodes-base.formTrigger",
"position": [
240,
-240
],
"webhookId": "f6c627e5-e93c-4ee1-9605-ebdfa5fff286",
"parameters": {
"options": {
"buttonLabel": "Begin",
"appendAttribution": false
},
"formTitle": "Credential Transfer",
"formFields": {
"values": [
{
"fieldLabel": " ",
"placeholder": "Click \"Begin\" to continue"
}
]
},
"formDescription": "This tool allows copying a credential to another n8n instance"
},
"typeVersion": 2.2
}
],
"active": true,
"pinData": {},
"settings": {
"executionOrder": "v1"
},
"versionId": "e89a409f-c046-4d54-b580-7e2c0a537d1b",
"connections": {
"Settings": {
"main": [
[
{
"node": "Get Instance Names",
"type": "main",
"index": 0
}
]
]
},
"Binary to JSON": {
"main": [
[
{
"node": "Get Credential Names",
"type": "main",
"index": 0
}
]
]
},
"Choose Instance": {
"main": [
[
{
"node": "Export Credentials",
"type": "main",
"index": 0
}
]
]
},
"Choose Credential": {
"main": [
[
{
"node": "Prepare Request Data",
"type": "main",
"index": 0
}
]
]
},
"Create Credential": {
"main": [
[
{
"node": "Success",
"type": "main",
"index": 0
}
],
[
{
"node": "Error",
"type": "main",
"index": 0
}
]
]
},
"Export Credentials": {
"main": [
[
{
"node": "Get Credentials Data",
"type": "main",
"index": 0
}
]
]
},
"Get Instance Names": {
"main": [
[
{
"node": "Choose Instance",
"type": "main",
"index": 0
}
]
]
},
"On form submission": {
"main": [
[
{
"node": "Settings",
"type": "main",
"index": 0
}
]
]
},
"Get Credential Names": {
"main": [
[
{
"node": "Choose Credential",
"type": "main",
"index": 0
}
]
]
},
"Get Credentials Data": {
"main": [
[
{
"node": "Binary to JSON",
"type": "main",
"index": 0
}
]
]
},
"Prepare Request Data": {
"main": [
[
{
"node": "Create Credential",
"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
- Form
- Httprequest
- Code
- Set
- Executecommand
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