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10 changes: 8 additions & 2 deletions lib/parser.js
Original file line number Diff line number Diff line change
Expand Up @@ -31,7 +31,7 @@ module.exports = {
throw new MissingRequiredHeadersError('authorization');
}

const { algorithms, requestLifetime = 300 } = options;
const { algorithms, requestLifetime = 300, requiredHeaders=['date'] } = options;

/* Check the authorization scheme */
let { authorization } = req.headers;
Expand Down Expand Up @@ -66,7 +66,13 @@ module.exports = {

/* If "headers" param not exists use the date HTTP header by default */
signatureParams.headers = signatureParams.headers ? signatureParams.headers.toLowerCase().split(' ') : ['date'];


/* Check if "required headers" param not exists use the date HTTP header by default */
requiredHeaders.forEach(function (requiredHeader){
if(signatureParams.headers.indexOf(requiredHeader) === -1){
throw new MissingRequiredSignatureParamsError(...requiredHeader);
}
});
/* Check algoritm */
if (algorithms.indexOf(signatureParams.algorithm) === -1) {
throw new UnsupportedAlgorithmError(...algorithms);
Expand Down