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backend/node_modules/@fastify/forwarded/LICENSE

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+MIT License
+
+Copyright (c) 2014-2017 Douglas Christopher Wilson
+Copyright (c) 2021-present The Fastify team
+
+The Fastify team members are listed at https://github.com/fastify/fastify#team.
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.

backend/node_modules/@fastify/forwarded/README.md

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+# @fastify/forwarded
+
+[![CI](https://github.com/fastify/forwarded/actions/workflows/ci.yml/badge.svg?branch=main)](https://github.com/fastify/forwarded/actions/workflows/ci.yml)
+[![NPM version](https://img.shields.io/npm/v/@fastify/forwarded.svg?style=flat)](https://www.npmjs.com/package/@fastify/forwarded)
+[![neostandard javascript style](https://img.shields.io/badge/code_style-neostandard-brightgreen?style=flat)](https://github.com/neostandard/neostandard)
+
+Parse HTTP X-Forwarded-For header.
+
+Updated version of the great https://github.com/jshttp/forwarded.
+Implements https://github.com/jshttp/forwarded/pull/9.
+
+## Installation
+
+```sh
+$ npm i @fastify/forwarded
+```
+
+## API
+
+```js
+const forwarded = require('@fastify/forwarded')
+```
+
+### forwarded(req)
+
+```js
+const addresses = forwarded(req)
+```
+
+Parse the `X-Forwarded-For` header from the request. Returns an array
+of the addresses, including the socket address for the `req`, in reverse
+order (i.e. index `0` is the socket address and the last index is the
+furthest address, typically the end-user).
+
+## Testing
+
+```sh
+$ npm test
+```
+
+## License
+
+[MIT](LICENSE)

backend/node_modules/@fastify/forwarded/index.js

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+/**
+ * forwarded
+ * Copyright(c) 2014-2017 Douglas Christopher Wilson
+ * MIT Licensed
+ */
+
+'use strict'
+
+/**
+ * Get all addresses in the request used in the `X-Forwarded-For` header.
+ */
+function forwarded (req) {
+  if (!req) {
+    throw new TypeError('argument req is required')
+  }
+
+  const header = req.headers['x-forwarded-for']
+  const socketAddr = req.socket.remoteAddress
+
+  if (!header || typeof header !== 'string') {
+    return [socketAddr]
+  } else if (header.indexOf(',') === -1) {
+    const remote = header.trim()
+    return (remote.length)
+      ? [socketAddr, remote]
+      : [socketAddr]
+  } else {
+    return parse(header, socketAddr)
+  }
+}
+
+function parse (header, socketAddr) {
+  const result = [socketAddr]
+
+  let end = header.length
+  let start = end
+  let char
+  let i
+
+  for (i = end - 1; i >= 0; --i) {
+    char = header[i]
+    if (char === ' ') {
+      (start === end) && (start = end = i)
+    } else if (char === ',') {
+      (start !== end) && result.push(header.slice(start, end))
+      start = end = i
+    } else {
+      start = i
+    }
+  }
+
+  (start !== end) && result.push(header.substring(start, end))
+
+  return result
+}
+
+module.exports = forwarded
+module.exports.default = forwarded
+module.exports.forwarded = forwarded

backend/node_modules/@fastify/forwarded/package.json

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+{
+  "name": "@fastify/forwarded",
+  "description": "Parse HTTP X-Forwarded-For header",
+  "version": "3.0.1",
+  "type": "commonjs",
+  "author": "Douglas Christopher Wilson <doug@somethingdoug.com>",
+  "contributors": [
+    {
+      "name": "Matteo Collina",
+      "email": "hello@matteocollina.com"
+    },
+    {
+      "name": "James Sumners",
+      "url": "https://james.sumners.info"
+    },
+    {
+      "name": "Aras Abbasi",
+      "email": "aras.abbasi@gmail.com"
+    },
+    {
+      "name": "Frazer Smith",
+      "email": "frazer.dev@icloud.com",
+      "url": "https://github.com/fdawgs"
+    }
+  ],
+  "license": "MIT",
+  "keywords": [
+    "x-forwarded-for",
+    "http",
+    "req"
+  ],
+  "repository": {
+    "type": "git",
+    "url": "git+https://github.com/fastify/forwarded.git"
+  },
+  "bugs": {
+    "url": "https://github.com/fastify/forwarded/issues"
+  },
+  "homepage": "https://github.com/fastify/forwarded#readme",
+  "funding": [
+    {
+      "type": "github",
+      "url": "https://github.com/sponsors/fastify"
+    },
+    {
+      "type": "opencollective",
+      "url": "https://opencollective.com/fastify"
+    }
+  ],
+  "devDependencies": {
+    "@types/node": "^24.0.8",
+    "benchmark": "2.1.4",
+    "c8": "^10.1.2",
+    "eslint": "^9.17.0",
+    "neostandard": "^0.12.0",
+    "tsd": "^0.33.0"
+  },
+  "types": "types/index.d.ts",
+  "files": [
+    "LICENSE",
+    "README.md",
+    "index.js",
+    "types/index.d.ts"
+  ],
+  "scripts": {
+    "bench": "node benchmark/index.js",
+    "bench:combined": "node benchmark/combined.js",
+    "lint": "eslint",
+    "lint:fix": "eslint --fix",
+    "test": "npm run test:unit && npm run test:typescript",
+    "test:unit": "c8 --100 node --test",
+    "test:typescript": "tsd"
+  }
+}

backend/node_modules/@fastify/forwarded/types/index.d.ts

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+import { IncomingMessage } from 'node:http'
+
+type Forwarded = (req: IncomingMessage) => string[]
+
+declare namespace forwarded {
+  export const forwarded: Forwarded
+  export { forwarded as default }
+}
+
+/**
+ * Get all addresses in the request used in the `X-Forwarded-For` header.
+ */
+declare function forwarded (...params: Parameters<Forwarded>): ReturnType<Forwarded>
+export = forwarded