55 lines
2.2 KiB
JavaScript
55 lines
2.2 KiB
JavaScript
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"use strict";
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Object.defineProperty(exports, "__esModule", { value: true });
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exports.getFormattedInvalidCharacters = void 0;
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const messages_1 = require("../messages");
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const HEADER_LINE_SEPARATOR = '\r\n';
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const HEADER_BODY_SEPARATOR = ':';
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const HEADER_BODY_INVALID_CHARACTERS = ['\n', '\r'];
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const HEADER_NAME_VALID_CHAR_CODE_RANGE = { min: 33, max: 126 };
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const HEADER_INVALID_CHAR_LOCATIONS = { name: 'name', body: 'body' };
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function getFormattedInvalidCharacters(rawHeaders) {
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let invalidCharList = [];
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for (const header of rawHeaders.split(HEADER_LINE_SEPARATOR)) {
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const name = header.slice(0, header.indexOf(HEADER_BODY_SEPARATOR));
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const body = header.slice(header.indexOf(HEADER_BODY_SEPARATOR) + 1);
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invalidCharList = invalidCharList.concat(getInvalidCharacters(name, body));
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}
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return formatInvalidCharacters(invalidCharList);
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}
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exports.getFormattedInvalidCharacters = getFormattedInvalidCharacters;
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function headerNameCharIsInvalid(char) {
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return char.charCodeAt(0) < HEADER_NAME_VALID_CHAR_CODE_RANGE.min || char.charCodeAt(0) > HEADER_NAME_VALID_CHAR_CODE_RANGE.max;
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}
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function headerBodyCharIsInvalid(char) {
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return HEADER_BODY_INVALID_CHARACTERS.includes(char);
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}
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function getInvalidCharacters(name, body) {
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const invalidCharList = [];
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for (let i = 0; i < name.length; i++) {
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if (headerNameCharIsInvalid(name[i])) {
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invalidCharList.push({
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name: name,
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location: HEADER_INVALID_CHAR_LOCATIONS.name,
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charCode: '' + name[i].charCodeAt(0),
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index: i.toString(),
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});
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}
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}
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for (let i = 0; i < body.length; i++) {
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if (headerBodyCharIsInvalid(body[i])) {
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invalidCharList.push({
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name: name,
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location: HEADER_INVALID_CHAR_LOCATIONS.body,
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charCode: '' + body[i].charCodeAt(0),
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index: i.toString(),
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});
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}
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}
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return invalidCharList;
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}
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function formatInvalidCharacters(invalidCharactersList) {
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return invalidCharactersList
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.map(invalidCharacter => (0, messages_1.getText)(messages_1.MESSAGE.invalidHeaderCharacter, invalidCharacter))
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.join('\n');
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}
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