The workflow JSON
Copy or download the full n8n JSON below. Paste it into a new n8n workflow, add your credentials, activate. Full import guide →
{
"name": "WF05-Google-OAuth",
"id": "oauth-google-flow",
"description": "Google OAuth \uc778\uc99d \uc6cc\ud06c\ud50c\ub85c\uc6b0 - MAIPatent \uc0ac\uc6a9\uc790 \uc778\uc99d \ucc98\ub9ac",
"active": false,
"nodes": [
{
"id": "oauth-start",
"name": "OAuth \uc2dc\uc791",
"type": "n8n-nodes-base.webhook",
"typeVersion": 2,
"position": [
0,
0
],
"parameters": {
"httpMethod": "GET",
"path": "auth/google",
"responseMode": "responseNode",
"options": {
"rawBody": false
}
}
},
{
"id": "build-google-url",
"name": "Google OAuth URL \uc0dd\uc131",
"type": "n8n-nodes-base.code",
"typeVersion": 2,
"position": [
220,
0
],
"parameters": {
"jsCode": "// Google OAuth URL \uc0dd\uc131\nconst query = $input.first().json.query || {};\nconst callbackUrl = query.callback_url || 'https://jini92.github.io/MAIPatent/';\n\n// n8n\uc758 Google OAuth \ucf5c\ubc31 URL\nconst n8nCallbackUrl = `${$env.N8N_WEBHOOK_URL}/auth/google/callback`;\n\n// Google OAuth \uc124\uc815\nconst clientId = $env.GOOGLE_CLIENT_ID;\nconst redirectUri = encodeURIComponent(n8nCallbackUrl);\nconst scope = encodeURIComponent('openid email profile');\nconst state = Buffer.from(JSON.stringify({ callback_url: callbackUrl })).toString('base64');\n\nconst googleAuthUrl = `https://accounts.google.com/o/oauth2/v2/auth?client_id=${clientId}&redirect_uri=${redirectUri}&response_type=code&scope=${scope}&state=${state}&access_type=offline&prompt=consent`;\n\nreturn [{\n json: {\n googleAuthUrl,\n callbackUrl,\n state\n }\n}];"
}
},
{
"id": "redirect-google",
"name": "Google\ub85c \ub9ac\ub2e4\uc774\ub809\ud2b8",
"type": "n8n-nodes-base.respondToWebhook",
"typeVersion": 1.1,
"position": [
440,
0
],
"parameters": {
"respondWith": "redirect",
"redirectURL": "={{ $json.googleAuthUrl }}"
}
},
{
"id": "oauth-callback",
"name": "OAuth \ucf5c\ubc31",
"type": "n8n-nodes-base.webhook",
"typeVersion": 2,
"position": [
0,
200
],
"parameters": {
"httpMethod": "GET",
"path": "auth/google/callback",
"responseMode": "responseNode",
"options": {
"rawBody": false
}
}
},
{
"id": "extract-code",
"name": "\uc778\uc99d \ucf54\ub4dc \ucd94\ucd9c",
"type": "n8n-nodes-base.code",
"typeVersion": 2,
"position": [
220,
200
],
"parameters": {
"jsCode": "// URL \ud30c\ub77c\ubbf8\ud130\uc5d0\uc11c \ucf54\ub4dc\uc640 state \ucd94\ucd9c\nconst query = $input.first().json.query || {};\nconst code = query.code;\nconst state = query.state;\nconst error = query.error;\n\nif (error) {\n return [{\n json: {\n success: false,\n error: error,\n error_description: query.error_description || 'OAuth \uc778\uc99d\uc774 \ucde8\uc18c\ub418\uc5c8\uc2b5\ub2c8\ub2e4.'\n }\n }];\n}\n\nif (!code) {\n return [{\n json: {\n success: false,\n error: 'missing_code',\n error_description: '\uc778\uc99d \ucf54\ub4dc\uac00 \uc5c6\uc2b5\ub2c8\ub2e4.'\n }\n }];\n}\n\n// state\uc5d0\uc11c callback_url \ucd94\ucd9c\nlet callbackUrl = 'https://jini92.github.io/MAIPatent/';\ntry {\n const stateData = JSON.parse(Buffer.from(state, 'base64').toString());\n callbackUrl = stateData.callback_url || callbackUrl;\n} catch (e) {\n // state \ud30c\uc2f1 \uc2e4\ud328 \uc2dc \uae30\ubcf8\uac12 \uc0ac\uc6a9\n}\n\nreturn [{\n json: {\n success: true,\n code,\n callbackUrl\n }\n}];"
}
},
{
"id": "check-code",
"name": "\ucf54\ub4dc \ud655\uc778",
"type": "n8n-nodes-base.if",
"typeVersion": 2,
"position": [
440,
200
],
"parameters": {
"conditions": {
"options": {
"caseSensitive": true,
"leftValue": "",
"typeValidation": "strict"
},
"conditions": [
{
"id": "success-check",
"leftValue": "={{ $json.success }}",
"rightValue": true,
"operator": {
"type": "boolean",
"operation": "equals"
}
}
],
"combinator": "and"
}
}
},
{
"id": "exchange-token",
"name": "\ud1a0\ud070 \uad50\ud658",
"type": "n8n-nodes-base.httpRequest",
"typeVersion": 4.2,
"position": [
660,
100
],
"parameters": {
"method": "POST",
"url": "https://oauth2.googleapis.com/token",
"sendBody": true,
"specifyBody": "json",
"jsonBody": "={\n \"code\": \"{{ $json.code }}\",\n \"client_id\": \"{{ $env.GOOGLE_CLIENT_ID }}\",\n \"client_secret\": \"{{ $env.GOOGLE_CLIENT_SECRET }}\",\n \"redirect_uri\": \"{{ $env.N8N_WEBHOOK_URL }}/auth/google/callback\",\n \"grant_type\": \"authorization_code\"\n}",
"options": {
"response": {
"response": {
"fullResponse": false,
"responseFormat": "json"
}
}
}
}
},
{
"id": "get-user-info",
"name": "\uc0ac\uc6a9\uc790 \uc815\ubcf4 \uc870\ud68c",
"type": "n8n-nodes-base.httpRequest",
"typeVersion": 4.2,
"position": [
880,
100
],
"parameters": {
"method": "GET",
"url": "https://www.googleapis.com/oauth2/v2/userinfo",
"authentication": "genericCredentialType",
"genericAuthType": "httpHeaderAuth",
"sendHeaders": true,
"headerParameters": {
"parameters": [
{
"name": "Authorization",
"value": "=Bearer {{ $json.access_token }}"
}
]
},
"options": {}
}
},
{
"id": "build-redirect",
"name": "\ucf5c\ubc31 URL \uc0dd\uc131",
"type": "n8n-nodes-base.code",
"typeVersion": 2,
"position": [
1100,
100
],
"parameters": {
"jsCode": "// \uc0ac\uc6a9\uc790 \uc815\ubcf4\uc640 \ucf5c\ubc31 URL \uc900\ube44\nconst userInfo = $input.first().json;\nconst callbackUrl = $('\ucf54\ub4dc \ud655\uc778').first().json.callbackUrl || 'https://jini92.github.io/MAIPatent/auth/callback/';\n\n// \uc0ac\uc6a9\uc790 \uc815\ubcf4\ub97c URL \ud30c\ub77c\ubbf8\ud130\ub85c \uc778\ucf54\ub529\nconst params = new URLSearchParams({\n user_id: userInfo.id || '',\n user_name: userInfo.name || '',\n user_email: userInfo.email || '',\n user_image: userInfo.picture || ''\n});\n\nconst redirectUrl = `${callbackUrl}?${params.toString()}`;\n\nreturn [{\n json: {\n redirectUrl,\n userInfo\n }\n}];"
}
},
{
"id": "redirect-success",
"name": "\ud504\ub860\ud2b8\uc5d4\ub4dc\ub85c \ub9ac\ub2e4\uc774\ub809\ud2b8",
"type": "n8n-nodes-base.respondToWebhook",
"typeVersion": 1.1,
"position": [
1320,
100
],
"parameters": {
"respondWith": "redirect",
"redirectURL": "={{ $json.redirectUrl }}"
}
},
{
"id": "build-error-redirect",
"name": "\uc5d0\ub7ec URL \uc0dd\uc131",
"type": "n8n-nodes-base.code",
"typeVersion": 2,
"position": [
660,
300
],
"parameters": {
"jsCode": "// \uc5d0\ub7ec \ub9ac\ub2e4\uc774\ub809\ud2b8 URL \uc0dd\uc131\nconst errorInfo = $input.first().json;\nconst callbackUrl = errorInfo.callbackUrl || 'https://jini92.github.io/MAIPatent/auth/callback/';\n\nconst params = new URLSearchParams({\n error: errorInfo.error || 'unknown_error',\n error_description: errorInfo.error_description || '\uc54c \uc218 \uc5c6\ub294 \uc624\ub958\uac00 \ubc1c\uc0dd\ud588\uc2b5\ub2c8\ub2e4.'\n});\n\nconst redirectUrl = `${callbackUrl}?${params.toString()}`;\n\nreturn [{\n json: {\n redirectUrl\n }\n}];"
}
},
{
"id": "redirect-error",
"name": "\uc5d0\ub7ec \ub9ac\ub2e4\uc774\ub809\ud2b8",
"type": "n8n-nodes-base.respondToWebhook",
"typeVersion": 1.1,
"position": [
880,
300
],
"parameters": {
"respondWith": "redirect",
"redirectURL": "={{ $json.redirectUrl }}"
}
}
],
"connections": {
"OAuth \uc2dc\uc791": {
"main": [
[
{
"node": "Google OAuth URL \uc0dd\uc131",
"type": "main",
"index": 0
}
]
]
},
"Google OAuth URL \uc0dd\uc131": {
"main": [
[
{
"node": "Google\ub85c \ub9ac\ub2e4\uc774\ub809\ud2b8",
"type": "main",
"index": 0
}
]
]
},
"OAuth \ucf5c\ubc31": {
"main": [
[
{
"node": "\uc778\uc99d \ucf54\ub4dc \ucd94\ucd9c",
"type": "main",
"index": 0
}
]
]
},
"\uc778\uc99d \ucf54\ub4dc \ucd94\ucd9c": {
"main": [
[
{
"node": "\ucf54\ub4dc \ud655\uc778",
"type": "main",
"index": 0
}
]
]
},
"\ucf54\ub4dc \ud655\uc778": {
"main": [
[
{
"node": "\ud1a0\ud070 \uad50\ud658",
"type": "main",
"index": 0
}
],
[
{
"node": "\uc5d0\ub7ec URL \uc0dd\uc131",
"type": "main",
"index": 0
}
]
]
},
"\ud1a0\ud070 \uad50\ud658": {
"main": [
[
{
"node": "\uc0ac\uc6a9\uc790 \uc815\ubcf4 \uc870\ud68c",
"type": "main",
"index": 0
}
]
]
},
"\uc0ac\uc6a9\uc790 \uc815\ubcf4 \uc870\ud68c": {
"main": [
[
{
"node": "\ucf5c\ubc31 URL \uc0dd\uc131",
"type": "main",
"index": 0
}
]
]
},
"\ucf5c\ubc31 URL \uc0dd\uc131": {
"main": [
[
{
"node": "\ud504\ub860\ud2b8\uc5d4\ub4dc\ub85c \ub9ac\ub2e4\uc774\ub809\ud2b8",
"type": "main",
"index": 0
}
]
]
},
"\uc5d0\ub7ec URL \uc0dd\uc131": {
"main": [
[
{
"node": "\uc5d0\ub7ec \ub9ac\ub2e4\uc774\ub809\ud2b8",
"type": "main",
"index": 0
}
]
]
}
},
"settings": {
"executionOrder": "v1",
"callerPolicy": "workflowsFromSameOwner"
},
"meta": {
"version": "1.0.0",
"created": "2026-01-12",
"updated": "2026-01-12",
"project": "MAIPatent",
"workflow_sequence": 5,
"description": "Google OAuth \uc778\uc99d \ucc98\ub9ac",
"required_credentials": [
"GOOGLE_CLIENT_ID",
"GOOGLE_CLIENT_SECRET"
],
"endpoints": [
"GET /auth/google - OAuth \uc2dc\uc791",
"GET /auth/google/callback - OAuth \ucf5c\ubc31"
]
}
}
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About this workflow
WF05-Google-OAuth. Uses httpRequest. Webhook trigger; 12 nodes.
Source: https://github.com/jini92/MAIPatent/blob/c9040f7443cbcd6380a646aa203f93d3b4f15767/workflows/WF05-google-oauth.json — original creator credit. Request a take-down →
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