30 lines
884 B
JavaScript
30 lines
884 B
JavaScript
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"use strict";
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function parseMaxAge(option) {
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if (option === undefined) {
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return 0;
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}
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if (typeof option !== 'number' || option < 0) {
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throw new Error(option + " is not a valid value for maxAge. Please choose a positive integer.");
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}
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return option;
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}
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function getHeaderValueFromOptions(options) {
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options = options || {};
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var directives = [];
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if (options.enforce) {
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directives.push('enforce');
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}
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directives.push("max-age=" + parseMaxAge(options.maxAge));
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if (options.reportUri) {
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directives.push("report-uri=\"" + options.reportUri + "\"");
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}
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return directives.join(', ');
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}
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module.exports = function expectCt(options) {
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var headerValue = getHeaderValueFromOptions(options);
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return function expectCt(_req, res, next) {
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res.setHeader('Expect-CT', headerValue);
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next();
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};
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};
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