OIDC客户端工作流
中级
这是一个Building Blocks, SecOps领域的自动化工作流，包含 15 个节点。主要使用 If, Set, Code, Html, Webhook 等节点。 使用OpenID Connect在工作流中验证用户身份
前置要求
- •HTTP Webhook 端点（n8n 会自动生成）
- •可能需要目标 API 的认证凭证
工作流预览
可视化展示节点连接关系，支持缩放和平移
导出工作流
复制以下 JSON 配置到 n8n 导入，即可使用此工作流
{
"id": "zeyTmqqmXaQIFWzV",
"meta": {
"instanceId": "11f0bca80fdd47e21bd156f4266eada6e64a6bc4c37f34dc8ae14ccf768e9285"
},
"name": "OIDC 客户端工作流",
"tags": [],
"nodes": [
{
"id": "da0c6b83-9c8c-431b-beaa-66b5343b21c5",
"name": "Webhook",
"type": "n8n-nodes-base.webhook",
"position": [
80,
680
],
"webhookId": "891ad1cd-6a50-4a88-8789-95680c78f14c",
"parameters": {
"path": "891ad1cd-6a50-4a88-8789-95680c78f14c",
"options": {},
"responseMode": "responseNode"
},
"typeVersion": 1
},
{
"id": "5c9d4f59-7980-4bee-8df6-cf9ca3eccde1",
"name": "代码",
"type": "n8n-nodes-base.code",
"position": [
520,
680
],
"parameters": {
"jsCode": "let myCookies = {};\nlet cookies = [];\n\ncookies = $input.item.json.headers.cookie.split(';')\nfor (item of cookies ) {\n myCookies[item.split('=')[0].trim()]=item.split('=')[1].trim();\n}\n\nreturn myCookies;"
},
"typeVersion": 2,
"continueOnFail": true
},
{
"id": "7867d061-c0e3-4359-90ac-a4536c948db2",
"name": "用户信息",
"type": "n8n-nodes-base.httpRequest",
"position": [
1220,
760
],
"parameters": {
"url": "={{ $('Set variables : auth, token, userinfo, client id, scope').item.json.userinfo_endpoint }}",
"options": {},
"sendHeaders": true,
"headerParameters": {
"parameters": [
{
"name": "Authorization",
"value": "=Bearer {{ $json['access_token'] }}"
}
]
}
},
"typeVersion": 4.1,
"continueOnFail": true
},
{
"id": "df0e9896-0670-49cc-b7c6-140c234036b4",
"name": "返回登录页面",
"type": "n8n-nodes-base.respondToWebhook",
"position": [
1900,
980
],
"parameters": {
"options": {},
"respondWith": "text",
"responseBody": "={{ $json.html }}"
},
"typeVersion": 1
},
{
"id": "81f03c86-91fe-4960-b4c4-295252c7e8fc",
"name": "如果存在令牌",
"type": "n8n-nodes-base.if",
"position": [
940,
820
],
"parameters": {
"conditions": {
"number": [
{
"value1": "={{ $json['access_token'] }}",
"operation": "isNotEmpty"
}
]
}
},
"typeVersion": 1,
"continueOnFail": true
},
{
"id": "5e2f87bd-9c1f-4e87-82df-1b3b3e98cbdb",
"name": "欢迎页面",
"type": "n8n-nodes-base.html",
"position": [
1720,
660
],
"parameters": {
"html": "<!DOCTYPE html>\n\n<html>\n<head>\n <meta charset=\"UTF-8\" />\n <title>My HTML document</title>\n</head>\n<body>\n <div class=\"container\">\n <h1>Welcome {{$('user info').item.json.email }} </h1>\n </div>\n</body>\n</html>\n\n<style>\n.container {\n background-color: #ffffff;\n text-align: center;\n padding: 16px;\n border-radius: 8px;\n}\n\nh1 {\n color: #ff6d5a;\n font-size: 24px;\n font-weight: bold;\n padding: 8px;\n}\n\nh2 {\n color: #909399;\n font-size: 18px;\n font-weight: bold;\n padding: 8px;\n}\n</style>\n"
},
"typeVersion": 1
},
{
"id": "c1448e12-4292-402b-bf9d-0ab555bbc734",
"name": "返回欢迎页面",
"type": "n8n-nodes-base.respondToWebhook",
"position": [
1920,
660
],
"parameters": {
"options": {},
"respondWith": "text",
"responseBody": "={{ $json.html }}"
},
"typeVersion": 1
},
{
"id": "8e64ab13-4f23-4c85-a625-c456910a9472",
"name": "如果用户信息正常",
"type": "n8n-nodes-base.if",
"position": [
1400,
760
],
"parameters": {
"conditions": {
"number": [
{
"value1": "={{ $json.email }}",
"operation": "isNotEmpty"
}
]
}
},
"typeVersion": 1,
"continueOnFail": true
},
{
"id": "a96b170f-fbd8-4061-9619-bf9877e85495",
"name": "登录表单",
"type": "n8n-nodes-base.html",
"position": [
1700,
980
],
"parameters": {
"html": "<!-- Thanks to https://github.com/curityio/pkce-javascript-example/tree/master -->\n<!DOCTYPE html>\n<html lang=\"en\">\n <head>\n <meta charset=\"utf-8\">\n <title>Login</title>\n </head>\n <style>\n.container {\n background-color: #ffffff;\n text-align: center;\n padding: 16px;\n border-radius: 8px;\n}\n\nh1 {\n color: #ff6d5a;\n font-size: 24px;\n font-weight: bold;\n padding: 8px;\n}\n\nh2 {\n color: #909399;\n font-size: 18px;\n font-weight: bold;\n padding: 8px;\n}\n</style>\n <body>\n <div id=\"result\"></div>\n <script>\n const authorizeEndpoint = \"{{ $('Set variables : auth, token, userinfo, client id, scope').item.json.auth_endpoint }}\";\n const tokenEndpoint = \"{{ $('Set variables : auth, token, userinfo, client id, scope').item.json.token_endpoint }}\";\n const clientId = \"{{ $('Set variables : auth, token, userinfo, client id, scope').item.json.client_id }}\";\n const scope = \"{{ $('Set variables : auth, token, userinfo, client id, scope').item.json.scope }}\";\n const usePKCE = {{ $('Set variables : auth, token, userinfo, client id, scope').item.json.PKCE }};\n if (window.location.search) {\n var args = new URLSearchParams(window.location.search);\n var code = args.get(\"code\");\n\n if (code) {\n var xhr = new XMLHttpRequest();\n\n xhr.onload = function() {\n var response = xhr.response;\n var message;\n\n if (xhr.status == 200) {\n message = \"Access Token: \" + response.access_token;\n document.cookie = \"access_token=\"+response.access_token;\n location.reload();\n }\n else {\n message = \"Error: \" + response.error_description + \" (\" + response.error + \")\";\n }\n\n document.getElementById(\"result\").innerHTML = message;\n };\n xhr.responseType = 'json';\n xhr.open(\"POST\", tokenEndpoint, true);\n xhr.setRequestHeader('Content-type', 'application/x-www-form-urlencoded');\n xhr.send(new URLSearchParams({\n client_id: clientId,\n code_verifier: window.sessionStorage.getItem(\"code_verifier\"),\n grant_type: \"authorization_code\",\n redirect_uri: location.href.replace(location.search, ''),\n code: code\n }));\n }\n }\n async function generateCodeChallenge(codeVerifier) {\n var digest = await crypto.subtle.digest(\"SHA-256\",\n new TextEncoder().encode(codeVerifier));\n\n return btoa(String.fromCharCode(...new Uint8Array(digest)))\n .replace(/=/g, '').replace(/\\+/g, '-').replace(/\\//g, '_')\n }\n\n function generateRandomString(length) {\n var text = \"\";\n var possible = \"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789\";\n\n for (var i = 0; i < length; i++) {\n text += possible.charAt(Math.floor(Math.random() * possible.length));\n }\n\n return text;\n }\n\n if (!crypto.subtle) {\n document.writeln('<p>' +\n '<b>WARNING:</b> The script will fall back to using plain code challenge as crypto is not available.</p>' +\n '<p>Javascript crypto services require that this site is served in a <a href=\"https://developer.mozilla.org/en-US/docs/Web/Security/Secure_Contexts\">secure context</a>; ' +\n 'either from <b>(*.)localhost</b> or via <b>https</b>. </p>' +\n '<p> You can add an entry to /etc/hosts like \"127.0.0.1 public-test-client.localhost\" and reload the site from there, enable SSL using something like <a href=\"https://letsencrypt.org/\">letsencypt</a>, or refer to this <a href=\"https://stackoverflow.com/questions/46468104/how-to-use-subtlecrypto-in-chrome-window-crypto-subtle-is-undefined\">stackoverflow article</a> for more alternatives.</p>' +\n '<p>If Javascript crypto is available this message will disappear.</p>')\n }\n\n var codeVerifier = generateRandomString(64);\n\n const challengeMethod = crypto.subtle ? \"S256\" : \"plain\"\n\n Promise.resolve()\n .then(() => {\n if (challengeMethod === 'S256') {\n return generateCodeChallenge(codeVerifier)\n } else {\n return codeVerifier\n }\n })\n .then(function(codeChallenge) {\n window.sessionStorage.setItem(\"code_verifier\", codeVerifier);\n\n var redirectUri = window.location.href.split('?')[0];\n var args = new URLSearchParams({\n response_type: \"code\",\n client_id: clientId,\n redirect_uri: redirectUri,\n scope: scope,\n state: generateRandomString(16)\n });\n if(usePKCE){\n args.append(\"code_challenge_method\", challengeMethod);\n args.append(\"code_challenge\", codeChallenge);\n }\n window.location = authorizeEndpoint + \"?\" + args;\n });\n </script>\n </body>\n</html>"
},
"typeVersion": 1
},
{
"id": "12395c64-1c9d-4801-8229-57d982e4243f",
"name": "便签",
"type": "n8n-nodes-base.stickyNote",
"position": [
120,
460
],
"parameters": {
"width": 510,
"height": 207,
"content": "在此设置中，您需要从身份提供者获取："
},
"typeVersion": 1
},
{
"id": "25e934b5-fcd6-49e1-bb33-955b5f3f34ca",
"name": "便签1",
"type": "n8n-nodes-base.stickyNote",
"position": [
1640,
480
],
"parameters": {
"content": "此时用户已通过身份验证，您可以从用户信息结果中访问其个人资料，并继续执行其他操作"
},
"typeVersion": 1
},
{
"id": "9dab372a-3505-4be6-93bd-9e99fc71612c",
"name": "便签2",
"type": "n8n-nodes-base.stickyNote",
"position": [
460,
980
],
"parameters": {
"width": 776,
"height": 336,
"content": "## 使用 Keycloak 快速设置"
},
"typeVersion": 1
},
{
"id": "6e3afc62-52a9-402a-bde9-e8798d0fd4f6",
"name": "设置变量：认证、令牌、用户信息、客户端 ID、范围",
"type": "n8n-nodes-base.set",
"position": [
320,
680
],
"parameters": {
"values": {
"string": [
{
"name": "auth_endpoint",
"value": "Your value here"
},
{
"name": "token_endpoint",
"value": "Your value here"
},
{
"name": "userinfo_endpoint",
"value": "Your value here"
},
{
"name": "client_id",
"value": "name of your client"
},
{
"name": "scope",
"value": "openid"
},
{
"name": "redirect_uri",
"value": "webhook uri"
},
{
"name": "client_secret",
"value": "secret of your client"
}
],
"boolean": [
{
"name": "PKCE",
"value": true
}
]
},
"options": {}
},
"typeVersion": 2
},
{
"id": "2d54c64a-ae45-480f-923f-63d6cb3fcdfc",
"name": "如果 URI 中有 code 且不在 PKCE 模式",
"type": "n8n-nodes-base.if",
"position": [
700,
680
],
"parameters": {
"conditions": {
"string": [
{
"value1": "={{ $('Webhook').item.json.query.code }}",
"operation": "isNotEmpty"
}
],
"boolean": [
{
"value1": "={{ $('Set variables : auth, token, userinfo, client id, scope').item.json.PKCE }}"
}
]
}
},
"typeVersion": 1
},
{
"id": "99c8fa5d-3173-4371-9742-6014eca6e7fe",
"name": "使用 code 从 /token 端点获取 access_token",
"type": "n8n-nodes-base.httpRequest",
"position": [
940,
640
],
"parameters": {
"url": "={{ $('Set variables : auth, token, userinfo, client id, scope').item.json.token_endpoint }}",
"method": "POST",
"options": {},
"sendBody": true,
"contentType": "form-urlencoded",
"bodyParameters": {
"parameters": [
{
"name": "grant_type",
"value": "authorization_code"
},
{
"name": "client_id",
"value": "={{ $('Set variables : auth, token, userinfo, client id, scope').item.json.client_id }}"
},
{
"name": "client_secret",
"value": "={{ $('Set variables : auth, token, userinfo, client id, scope').item.json.client_secret }}"
},
{
"name": "code",
"value": "={{ $('Webhook').item.json.query.code }}"
},
{
"name": "redirect_uri",
"value": "={{ $('Set variables : auth, token, userinfo, client id, scope').item.json.redirect_uri }}"
}
]
}
},
"typeVersion": 4.1
}
],
"active": true,
"pinData": {},
"settings": {
"executionOrder": "v1"
},
"versionId": "d91ac207-6f83-42cd-9c9f-326b8c53c160",
"connections": {
"Code": {
"main": [
[
{
"node": "IF we have code in URI and not in PKCE mode",
"type": "main",
"index": 0
}
]
]
},
"Webhook": {
"main": [
[
{
"node": "Set variables : auth, token, userinfo, client id, scope",
"type": "main",
"index": 0
}
]
]
},
"user info": {
"main": [
[
{
"node": "IF user info ok",
"type": "main",
"index": 0
}
]
]
},
"login form": {
"main": [
[
{
"node": "send back login page",
"type": "main",
"index": 0
}
]
]
},
"Welcome page": {
"main": [
[
{
"node": "send back welcome page",
"type": "main",
"index": 0
}
]
]
},
"IF user info ok": {
"main": [
[
{
"node": "Welcome page",
"type": "main",
"index": 0
}
],
[
{
"node": "login form",
"type": "main",
"index": 0
}
]
]
},
"IF token is present": {
"main": [
[
{
"node": "user info",
"type": "main",
"index": 0
}
],
[
{
"node": "login form",
"type": "main",
"index": 0
}
]
]
},
"IF we have code in URI and not in PKCE mode": {
"main": [
[
{
"node": "get access_token from /token endpoint with code",
"type": "main",
"index": 0
}
],
[
{
"node": "IF token is present",
"type": "main",
"index": 0
}
]
]
},
"get access_token from /token endpoint with code": {
"main": [
[
{
"node": "user info",
"type": "main",
"index": 0
}
]
]
},
"Set variables : auth, token, userinfo, client id, scope": {
"main": [
[
{
"node": "Code",
"type": "main",
"index": 0
}
]
]
}
}
}常见问题
如何使用这个工作流？
复制上方的 JSON 配置代码，在您的 n8n 实例中创建新工作流并选择「从 JSON 导入」，粘贴配置后根据需要修改凭证设置即可。
这个工作流适合什么场景？
中级 - 构建模块, 安全运维
需要付费吗？
本工作流完全免费，您可以直接导入使用。但请注意，工作流中使用的第三方服务（如 OpenAI API）可能需要您自行付费。
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工作流信息
难度等级
中级
节点数量15
分类2
节点类型8
作者
please-open.it
@please-open-itAuthentication consultant with over 6 years experience, we can help companies with their SSO, especially with Keycloak
外部链接
在 n8n.io 查看 →
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