26155689234

Committed 20 May 2026 10:06AM UTC coverage: 57.697% (-17.2%) from 74.874%

Build # 26155689234

Build Type

Pull #1115

github

Committed by

web-flow

Commit Message

Merge d6a84934b into 9a13d3ea2

Pull Request Pull Request #1115: Encapsulate storage database transaction APIs

Coverage Stats

2784 of 5519 branches covered (50.44%)

Branch coverage included in aggregate %.

122 of 145 new or added lines in 7 files covered. (84.14%)

1665 existing lines in 69 files now uncovered.

5938 of 9598 relevant lines covered (61.87%)

407.09 hits per line

Source File
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56.25

/src/http/plugins/header-validator.ts

import { ERRORS } from '@internal/errors'
import { FastifyInstance, FastifyReply, FastifyRequest } from 'fastify'
import fastifyPlugin from 'fastify-plugin'

/**
 * Matches invalid HTTP header characters per RFC 7230 field-vchar specification.
 * Valid: TAB (0x09), visible ASCII (0x20-0x7E), obs-text (0x80-0xFF).
 * Invalid: control characters (0x00-0x1F except TAB) and DEL (0x7F).
 * @see https://tools.ietf.org/html/rfc7230#section-3.2
 */
const INVALID_HEADER_CHAR_PATTERN = /[^\t\x20-\x7e\x80-\xff]/

interface HeaderValidatorOptions {
  excludeUrls?: string[]
}

/**
 * Validates response headers before they're sent to prevent ERR_INVALID_CHAR crashes.
 *
 * Node.js throws ERR_INVALID_CHAR during writeHead() if headers contain control characters.
 * This hook validates headers in onSend (before writeHead) and throws InvalidHeaderChar error
 */
export const headerValidator = (options: HeaderValidatorOptions = {}) =>
  fastifyPlugin(
    async function headerValidatorPlugin(fastify: FastifyInstance) {
      fastify.addHook('onSend', async (request: FastifyRequest, reply: FastifyReply, payload) => {
        if (options.excludeUrls?.includes(request.url.toLowerCase())) {
          return payload
        }

        const headers = reply.getHeaders()
        for (const key in headers) {
          if (!Object.prototype.hasOwnProperty.call(headers, key)) {
            continue
          }
          const value = headers[key]
          if (typeof value === 'string' && INVALID_HEADER_CHAR_PATTERN.test(value)) {
            throw ERRORS.InvalidHeaderChar(key, value)
          } else if (Array.isArray(value)) {
            for (const item of value) {
              if (typeof item === 'string' && INVALID_HEADER_CHAR_PATTERN.test(item)) {
                throw ERRORS.InvalidHeaderChar(key, item)
              }
            }
          }
        }

        return payload
      })
    },
    { name: 'header-validator' }
  )

1	import { ERRORS } from '@internal/errors'
2	import { FastifyInstance, FastifyReply, FastifyRequest } from 'fastify'
3	import fastifyPlugin from 'fastify-plugin'
4
5	/**
6	* Matches invalid HTTP header characters per RFC 7230 field-vchar specification.
7	* Valid: TAB (0x09), visible ASCII (0x20-0x7E), obs-text (0x80-0xFF).
8	* Invalid: control characters (0x00-0x1F except TAB) and DEL (0x7F).
9	* @see https://tools.ietf.org/html/rfc7230#section-3.2
10	*/
11	const INVALID_HEADER_CHAR_PATTERN = /[^\t\x20-\x7e\x80-\xff]/	25✔
12
13	interface HeaderValidatorOptions {
14	excludeUrls?: string[]
15	}
16
17	/**
18	* Validates response headers before they're sent to prevent ERR_INVALID_CHAR crashes.
19	*
20	* Node.js throws ERR_INVALID_CHAR during writeHead() if headers contain control characters.
21	* This hook validates headers in onSend (before writeHead) and throws InvalidHeaderChar error
22	*/
23	export const headerValidator = (options: HeaderValidatorOptions = {}) =>	271✔
24	fastifyPlugin(
25	async function headerValidatorPlugin(fastify: FastifyInstance) {
26	fastify.addHook('onSend', async (request: FastifyRequest, reply: FastifyReply, payload) => {	271✔
27	if (options.excludeUrls?.includes(request.url.toLowerCase())) {	1,209!
28	return payload	×
29	}
30
31	const headers = reply.getHeaders()	1,209✔
32	for (const key in headers) {	1,209✔
33	if (!Object.prototype.hasOwnProperty.call(headers, key)) {	1,446!
34	continue	×
35	}
36	const value = headers[key]	1,446✔
37	if (typeof value === 'string' && INVALID_HEADER_CHAR_PATTERN.test(value)) {	1,446!
UNCOV 38	throw ERRORS.InvalidHeaderChar(key, value)	×
39	} else if (Array.isArray(value)) {	1,446!
UNCOV 40	for (const item of value) {	×
UNCOV 41	if (typeof item === 'string' && INVALID_HEADER_CHAR_PATTERN.test(item)) {	×
UNCOV 42	throw ERRORS.InvalidHeaderChar(key, item)	×
43	}
44	}
45	}
46	}
47
48	return payload	1,209✔
49	})
50	},
51	{ name: 'header-validator' }
52	)

supabase / storage / 26155689234

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