Simple Workflow

The workflow JSON

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{
  "name": "Simple Workflow",
  "nodes": [
    {
      "parameters": {
        "jsCode": "const db = {\n  \"admin@example.com\": \"g9QaXzlc34l4dEw1c6HOHcBrVP6SFswS|Q5LA5FkQb1HpuRz0ppjnQPm13kpyjy7PdgRKIb+VRPI=\" \n};\n\nconst userRaw = db[$input.first().json.user];\n\nif(userRaw) {\n  const [salt, hash] = userRaw.split(\"|\");\n  return { salt, hash }\n}\n\nreturn { salt: \"\", hash: \"\" }"
      },
      "type": "n8n-nodes-base.code",
      "typeVersion": 2,
      "position": [
        340,
        -60
      ],
      "id": "5ecdfa7f-5afb-4680-afd3-fa292c756062",
      "name": "Get Data From DB"
    },
    {
      "parameters": {
        "type": "SHA256",
        "value": "={{ $('HTTP Forward Auth Trigger').item.json.password }}{{ $json.salt }}",
        "dataPropertyName": "passwordHashed",
        "encoding": "base64"
      },
      "type": "n8n-nodes-base.crypto",
      "typeVersion": 1,
      "position": [
        680,
        -60
      ],
      "id": "be86ee41-9cfc-49bd-bbc4-485aa7ad24a7",
      "name": "Hash Password"
    },
    {
      "parameters": {
        "jsCode": "if($input.first().json.passwordHashed === $input.first().json.hash){\n  return { user: $('HTTP Forward Auth Trigger').first().json.user }\n}\nreturn { user: \"\" }"
      },
      "type": "n8n-nodes-base.code",
      "typeVersion": 2,
      "position": [
        1000,
        -60
      ],
      "id": "1df7b375-80d8-4a19-8467-c9fd6f4afdc5",
      "name": "Verify Password"
    },
    {
      "parameters": {
        "content": "## Access Info\nUser: admin@example.com\nPassword: password"
      },
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        280,
        -240
      ],
      "typeVersion": 1,
      "id": "1eea93b6-f69e-4cc0-a304-734d4f8d34a3",
      "name": "Sticky Note"
    },
    {
      "parameters": {
        "authURL": "http://localhost:8080/_auth",
        "loginRedirectURL": "http://localhost:8080",
        "logoutRedirectURL": "http://localhost:8080/signed-out",
        "enableHTTP": true
      },
      "type": "n8n-nodes-gnr-stack.httpForwardAuthTrigger",
      "typeVersion": 1,
      "position": [
        40,
        -60
      ],
      "id": "13d37ab5-06fd-4aca-bc0b-8a32bf6e6d6d",
      "name": "HTTP Forward Auth Trigger"
    },
    {
      "parameters": {
        "userID": "={{ $json.user }}",
        "validationErrorMessage": "Incorrect user or password"
      },
      "type": "n8n-nodes-gnr-stack.httpForwardAuth",
      "typeVersion": 1,
      "position": [
        1280,
        -60
      ],
      "id": "ecc3f9fa-c2c4-4652-8ec1-f78d4d7e95a1",
      "name": "HTTP Forward Auth"
    },
    {
      "parameters": {
        "content": "## Security Advices\n\n1. Never ever saves user's password in plain text;\n2. Hash the password and [salt it](https://auth0.com/blog/adding-salt-to-hashing-a-better-way-to-store-passwords/);\n3. Disable all execution data in this workflow **Settings**.",
        "height": 180,
        "width": 480,
        "color": 3
      },
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        580,
        -440
      ],
      "typeVersion": 1,
      "id": "996eb8ff-50f9-496f-96e5-cb18c1bf3423",
      "name": "Sticky Note1"
    }
  ],
  "connections": {
    "Get Data From DB": {
      "main": [
        [
          {
            "node": "Hash Password",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Hash Password": {
      "main": [
        [
          {
            "node": "Verify Password",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "HTTP Forward Auth Trigger": {
      "main": [
        [
          {
            "node": "Get Data From DB",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Verify Password": {
      "main": [
        [
          {
            "node": "HTTP Forward Auth",
            "type": "main",
            "index": 0
          }
        ]
      ]
    }
  },
  "active": true,
  "settings": {
    "executionOrder": "v1",
    "saveDataErrorExecution": "none",
    "saveDataSuccessExecution": "none",
    "saveExecutionProgress": false,
    "saveManualExecutions": false,
    "callerPolicy": "workflowsFromSameOwner",
    "executionTimeout": -1
  },
  "versionId": "4853b549-0175-4759-a9a4-154369561659",
  "id": "qOvUbar90kkeaUsi",
  "tags": []
}

About this workflow

Simple Workflow. Uses crypto, n8n-nodes-gnr-stack. Event-driven trigger; 7 nodes.

Source: https://github.com/pedrozadotdev/n8n-nodes-gnr-stack/blob/5cea7bc2ae4fa8e8df0e82ca2953311a957fa131/examples/Simple_Workflow.json — original creator credit. Request a take-down →

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