{
"id": "zeyTmqqmXaQIFWzV",
"meta": {
"instanceId": "11f0bca80fdd47e21bd156f4266eada6e64a6bc4c37f34dc8ae14ccf768e9285"
},
"name": "OIDC client workflow",
"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": "Code",
"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": "user info",
"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": "send back login page",
"type": "n8n-nodes-base.respondToWebhook",
"position": [
1900,
980
],
"parameters": {
"options": {},
"respondWith": "text",
"responseBody": "={{ $json.html }}"
},
"typeVersion": 1
},
{
"id": "81f03c86-91fe-4960-b4c4-295252c7e8fc",
"name": "IF token is present",
"type": "n8n-nodes-base.if",
"position": [
940,
820
],
"parameters": {
"conditions": {
"number": [
{
"value1": "={{ $json['access_token'] }}",
"operation": "isNotEmpty"
}
]
}
},
"typeVersion": 1,
"continueOnFail": true
},
{
"id": "5e2f87bd-9c1f-4e87-82df-1b3b3e98cbdb",
"name": "Welcome page",
"type": "n8n-nodes-base.html",
"position": [
1720,
660
],
"parameters": {
"html": "\n\n\n\n \n My HTML document\n\n\n \n
Welcome {{$('user info').item.json.email }}
\n \n\n\n\n\n"
},
"typeVersion": 1
},
{
"id": "c1448e12-4292-402b-bf9d-0ab555bbc734",
"name": "send back welcome page",
"type": "n8n-nodes-base.respondToWebhook",
"position": [
1920,
660
],
"parameters": {
"options": {},
"respondWith": "text",
"responseBody": "={{ $json.html }}"
},
"typeVersion": 1
},
{
"id": "8e64ab13-4f23-4c85-a625-c456910a9472",
"name": "IF user info ok",
"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": "login form",
"type": "n8n-nodes-base.html",
"position": [
1700,
980
],
"parameters": {
"html": "\n\n\n \n \n Login\n \n \n \n \n \n \n"
},
"typeVersion": 1
},
{
"id": "12395c64-1c9d-4801-8229-57d982e4243f",
"name": "Sticky Note",
"type": "n8n-nodes-base.stickyNote",
"position": [
120,
460
],
"parameters": {
"width": 510,
"height": 207,
"content": "In this set, you have to retrieve from your identity provider : \n- auth url\n- token url\n- userinfo url\n- the client id you created for this flow\n- scopes to use, at least \"openid\" scope\nif you do not want to use PKCE, you have to fill : \n- client_secret\n- redirect_uri (which is the webhook uri)"
},
"typeVersion": 1
},
{
"id": "25e934b5-fcd6-49e1-bb33-955b5f3f34ca",
"name": "Sticky Note1",
"type": "n8n-nodes-base.stickyNote",
"position": [
1640,
480
],
"parameters": {
"content": "At this point the user is authenticated, you have access to his profile from the user info result and you continue doing things"
},
"typeVersion": 1
},
{
"id": "9dab372a-3505-4be6-93bd-9e99fc71612c",
"name": "Sticky Note2",
"type": "n8n-nodes-base.stickyNote",
"position": [
460,
980
],
"parameters": {
"width": 776,
"height": 336,
"content": "## Quick setup with Keycloak\n1. Open your Keycloak\n2. Go to `Realm settings` and opn `OpenID Endpoint Configuration`\n3. This will opene a new tab. Copy out the `authorization_endpoint`, `token_endpoint` and the `userinfo_endpoint` and add it to the `Set variables` node\n4. Go go `Clients` and click `Create client`. In there pick a name of choice.\n5. Go to the next step, `Capability config`, disable `Client authentication`. Only `Standard flow` should be checked.\n6. Go to the next step `Login settings`. In there copy the Webhook URL of this workflow into the `Valid redirect URIs` field\n7. Enter the clientID to the `Set variables` node\n\nNow you can activate the workflow and visit the webhook URL to test. You can find a more detailed setup guid in the description.\n"
},
"typeVersion": 1
},
{
"id": "6e3afc62-52a9-402a-bde9-e8798d0fd4f6",
"name": "Set variables : auth, token, userinfo, client id, scope",
"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": "IF we have code in URI and not in PKCE mode",
"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": "get access_token from /token endpoint with code",
"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
}
]
]
}
}
}