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feat: Validate Accept-DateTime.

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This commit is contained in:
Ruben Verborgh
2021-01-05 10:31:31 +01:00
parent 4aed8c8b4c
commit ba5c62059a
2 changed files with 39 additions and 3 deletions
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21
src/util/HeaderUtil.ts
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@@ -362,6 +362,9 @@ export const parseAcceptLanguage = (input: string): AcceptLanguage[] => {
return results;
};
// eslint-disable-next-line max-len
const rfc1123Date = /^(?:Mon|Tue|Wed|Thu|Fri|Sat|Sun), \d{2} (?:Jan|Feb|Mar|Apr|May|Jun|Jul|Aug|Sep|Oct|Nov|Dec) \d{4} \d{2}:\d{2}:\d{2} GMT$/u;
/**
* Parses an Accept-DateTime header string.
*
@@ -369,8 +372,22 @@ export const parseAcceptLanguage = (input: string): AcceptLanguage[] => {
*
* @returns An array with a single {@link AcceptDatetime} object.
*/
export const parseAcceptDateTime = (input: string): AcceptDatetime[] =>
[{ range: input, weight: 1 }];
export const parseAcceptDateTime = (input: string): AcceptDatetime[] => {
const results: AcceptDatetime[] = [];
const range = input.trim();
if (range) {
if (!rfc1123Date.test(range)) {
logger.warn(
`Invalid Accept-DateTime range: ${range}`,
);
throw new BadRequestHttpError(
`Invalid Accept-DateTime range: ${range} does not match the RFC1123 format`,
);
}
results.push({ range, weight: 1 });
}
return results;
};
/**
* Adds a header value without overriding previous values.