44 lines
1.5 KiB
TypeScript
44 lines
1.5 KiB
TypeScript
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/*
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* This middleware class normalizes newlines in the request input data by replacing
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* all occurrences of '\r\n' with '\n' recursively for strings, arrays, and objects.
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*/
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import type { HttpContext } from '@adonisjs/core/http';
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import type { NextFn } from '@adonisjs/core/types/http';
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export default class NormalizeNewlinesMiddleware {
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async handle(ctx: HttpContext, next: NextFn) {
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// Function to recursively normalize newlines
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const normalizeNewlines = (input: any): any => {
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if (typeof input === 'string') {
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return input.replace(/\r\n/g, '\n');
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} else if (Array.isArray(input)) {
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return input.map((item) => normalizeNewlines(item));
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} else if (typeof input === 'object' && input !== null) {
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for (const key in input) {
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input[key] = normalizeNewlines(input[key]);
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}
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return input;
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}
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return input;
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};
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/**
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* Middleware logic goes here (before the next call)
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*/
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// console.log(ctx)
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// Get all request input
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const input = ctx.request.all();
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// Normalize newlines in text inputs
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const normalizedInput = normalizeNewlines(input);
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// Replace request input with normalized data
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ctx.request.updateBody(normalizedInput);
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/**
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* Call next method in the pipeline and return its output
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*/
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const output = await next();
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return output;
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}
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}
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