@squiz/json-schema-library
Version:
Customizable and hackable json-validator and json-schema utilities for traversal, data generation and validation
202 lines • 10.6 kB
JavaScript
/* eslint-disable max-len, no-control-regex */
import errors from "./errors";
import validUrl from "valid-url";
// referenced
// https://github.com/cfworker/cfworker/blob/main/packages/json-schema/src/format.ts
// https://gist.github.com/marcelotmelo/b67f58a08bee6c2468f8
const isValidDateTime = new RegExp("^([0-9]+)-(0[1-9]|1[012])-(0[1-9]|[12][0-9]|3[01])[Tt]([01][0-9]|2[0-3]):([0-5][0-9]):([0-5][0-9]|60)(\\.[0-9]+)?(([Zz])|([\\+|\\-]([01][0-9]|2[0-3]):[0-5][0-9]))$");
const isValidIPV4 = /^(?:(?:25[0-5]|2[0-4]\d|[01]?\d\d?)\.){3}(?:25[0-5]|2[0-4]\d|[01]?\d\d?)$/;
const isValidIPV6 = /^((([0-9a-f]{1,4}:){7}([0-9a-f]{1,4}|:))|(([0-9a-f]{1,4}:){6}(:[0-9a-f]{1,4}|((25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(\.(25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3})|:))|(([0-9a-f]{1,4}:){5}(((:[0-9a-f]{1,4}){1,2})|:((25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(\.(25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3})|:))|(([0-9a-f]{1,4}:){4}(((:[0-9a-f]{1,4}){1,3})|((:[0-9a-f]{1,4})?:((25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(\.(25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3}))|:))|(([0-9a-f]{1,4}:){3}(((:[0-9a-f]{1,4}){1,4})|((:[0-9a-f]{1,4}){0,2}:((25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(\.(25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3}))|:))|(([0-9a-f]{1,4}:){2}(((:[0-9a-f]{1,4}){1,5})|((:[0-9a-f]{1,4}){0,3}:((25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(\.(25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3}))|:))|(([0-9a-f]{1,4}:){1}(((:[0-9a-f]{1,4}){1,6})|((:[0-9a-f]{1,4}){0,4}:((25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(\.(25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3}))|:))|(:(((:[0-9a-f]{1,4}){1,7})|((:[0-9a-f]{1,4}){0,5}:((25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(\.(25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3}))|:)))$/i;
const isValidHostname = /^(?=.{1,255}$)[0-9A-Za-z](?:(?:[0-9A-Za-z]|-){0,61}[0-9A-Za-z])?(?:\.[0-9A-Za-z](?:(?:[0-9A-Za-z]|-){0,61}[0-9A-Za-z])?)*\.?$/;
const matchDate = /^(\d\d\d\d)-(\d\d)-(\d\d)$/;
const matchTime = /^(\d\d):(\d\d):(\d\d)(\.\d+)?(z|[+-]\d\d(?::?\d\d)?)?$/i;
const DAYS = [0, 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31];
const isValidJSONPointer = /^(?:\/(?:[^~/]|~0|~1)*)*$/;
const isValidRelativeJSONPointer = /^(?:0|[1-9][0-9]*)(?:#|(?:\/(?:[^~/]|~0|~1)*)*)$/;
const isValidURIRef = /^(?:[a-z][a-z0-9+\-.]*:)?(?:\/?\/(?:(?:[a-z0-9\-._~!$&'()*+,;=:]|%[0-9a-f]{2})*@)?(?:\[(?:(?:(?:(?:[0-9a-f]{1,4}:){6}|::(?:[0-9a-f]{1,4}:){5}|(?:[0-9a-f]{1,4})?::(?:[0-9a-f]{1,4}:){4}|(?:(?:[0-9a-f]{1,4}:){0,1}[0-9a-f]{1,4})?::(?:[0-9a-f]{1,4}:){3}|(?:(?:[0-9a-f]{1,4}:){0,2}[0-9a-f]{1,4})?::(?:[0-9a-f]{1,4}:){2}|(?:(?:[0-9a-f]{1,4}:){0,3}[0-9a-f]{1,4})?::[0-9a-f]{1,4}:|(?:(?:[0-9a-f]{1,4}:){0,4}[0-9a-f]{1,4})?::)(?:[0-9a-f]{1,4}:[0-9a-f]{1,4}|(?:(?:25[0-5]|2[0-4]\d|[01]?\d\d?)\.){3}(?:25[0-5]|2[0-4]\d|[01]?\d\d?))|(?:(?:[0-9a-f]{1,4}:){0,5}[0-9a-f]{1,4})?::[0-9a-f]{1,4}|(?:(?:[0-9a-f]{1,4}:){0,6}[0-9a-f]{1,4})?::)|[Vv][0-9a-f]+\.[a-z0-9\-._~!$&'()*+,;=:]+)\]|(?:(?:25[0-5]|2[0-4]\d|[01]?\d\d?)\.){3}(?:25[0-5]|2[0-4]\d|[01]?\d\d?)|(?:[a-z0-9\-._~!$&'"()*+,;=]|%[0-9a-f]{2})*)(?::\d*)?(?:\/(?:[a-z0-9\-._~!$&'"()*+,;=:@]|%[0-9a-f]{2})*)*|\/(?:(?:[a-z0-9\-._~!$&'"()*+,;=:@]|%[0-9a-f]{2})+(?:\/(?:[a-z0-9\-._~!$&'"()*+,;=:@]|%[0-9a-f]{2})*)*)?|(?:[a-z0-9\-._~!$&'"()*+,;=:@]|%[0-9a-f]{2})+(?:\/(?:[a-z0-9\-._~!$&'"()*+,;=:@]|%[0-9a-f]{2})*)*)?(?:\?(?:[a-z0-9\-._~!$&'"()*+,;=:@/?]|%[0-9a-f]{2})*)?(?:#(?:[a-z0-9\-._~!$&'"()*+,;=:@/?]|%[0-9a-f]{2})*)?$/i;
// uri-template: https://tools.ietf.org/html/rfc6570
const isValidURITemplate = /^(?:(?:[^\x00-\x20"'<>%\\^`{|}]|%[0-9a-f]{2})|\{[+#./;?&=,!@|]?(?:[a-z0-9_]|%[0-9a-f]{2})+(?::[1-9][0-9]{0,3}|\*)?(?:,(?:[a-z0-9_]|%[0-9a-f]{2})+(?::[1-9][0-9]{0,3}|\*)?)*\})*$/i;
// Default JSON-Schema formats: date-time, email, hostname, ipv4, ipv6, uri, uriref
const formatValidators = {
date: (core, schema, value, pointer) => {
if (typeof value !== "string") {
return undefined;
}
// https://github.com/cfworker/cfworker/blob/main/packages/json-schema/src/format.ts
// full-date from http://tools.ietf.org/html/rfc3339#section-5.6
const matches = value.match(matchDate);
if (!matches) {
return errors.formatDateTimeError({ value, pointer });
}
const year = +matches[1];
const month = +matches[2];
const day = +matches[3];
// https://tools.ietf.org/html/rfc3339#appendix-C
const isLeapYear = year % 4 === 0 && (year % 100 !== 0 || year % 400 === 0);
if (month >= 1 &&
month <= 12 &&
day >= 1 &&
day <= (month == 2 && isLeapYear ? 29 : DAYS[month])) {
return undefined;
}
return errors.formatDateError({ value, pointer });
},
"date-time": (core, schema, value, pointer) => {
if (typeof value !== "string") {
return undefined;
}
if (value === "" || isValidDateTime.test(value)) {
if (new Date(value).toString() === "Invalid Date") {
return errors.formatDateTimeError({ value, pointer });
}
return undefined;
}
return errors.formatDateTimeError({ value, pointer });
},
email: (core, schema, value, pointer) => {
// taken from https://github.com/ExodusMovement/schemasafe/blob/master/src/formats.js
if (typeof value !== "string") {
return undefined;
}
if (value[0] === '"') {
return errors.formatEmailError({ value, pointer });
}
const [name, host, ...rest] = value.split("@");
if (!name || !host || rest.length !== 0 || name.length > 64 || host.length > 253) {
return errors.formatEmailError({ value, pointer });
}
if (name[0] === "." || name.endsWith(".") || name.includes("..")) {
return errors.formatEmailError({ value, pointer });
}
if (!/^[a-z0-9.-]+$/i.test(host) || !/^[a-z0-9.!#$%&'*+/=?^_`{|}~-]+$/i.test(name)) {
return errors.formatEmailError({ value, pointer });
}
if (!host.split(".").every((part) => /^[a-z0-9]([a-z0-9-]{0,61}[a-z0-9])?$/i.test(part))) {
return errors.formatEmailError({ value, pointer });
}
return undefined;
},
hostname: (core, schema, value, pointer) => {
if (typeof value !== "string") {
return undefined;
}
if (value === "" || isValidHostname.test(value)) {
return undefined;
}
return errors.formatHostnameError({ value, pointer });
},
ipv4: (core, schema, value, pointer) => {
if (typeof value !== "string" || value === "") {
return undefined;
}
if (value && value[0] === "0") {
// leading zeroes should be rejected, as they are treated as octals
return errors.formatIPV4LeadingZeroError({ value, pointer });
}
if (value.length <= 15 && isValidIPV4.test(value)) {
return undefined;
}
return errors.formatIPV4Error({ value, pointer });
},
ipv6: (core, schema, value, pointer) => {
if (typeof value !== "string" || value === "") {
return undefined;
}
if (value && value[0] === "0") {
// leading zeroes should be rejected, as they are treated as octals
return errors.formatIPV6LeadingZeroError({ value, pointer });
}
if (value.length <= 45 && isValidIPV6.test(value)) {
return undefined;
}
return errors.formatIPV6Error({ value, pointer });
},
"json-pointer": (core, schema, value, pointer) => {
if (typeof value !== "string" || value === "") {
return undefined;
}
if (isValidJSONPointer.test(value)) {
return undefined;
}
return errors.formatJSONPointerError({ value, pointer });
},
"relative-json-pointer": (core, schema, value, pointer) => {
if (typeof value !== "string" || value === "") {
return undefined;
}
if (isValidRelativeJSONPointer.test(value)) {
return undefined;
}
return errors.formatJSONPointerError({ value, pointer });
},
regex: (core, schema, value, pointer) => {
if (typeof value === "string" && /\\Z$/.test(value) === false) {
try {
new RegExp(value);
return undefined;
}
catch (e) { } // eslint-disable-line no-empty
return errors.formatRegExError({ value, pointer });
}
// v7 tests, ignore non-regex values
if (typeof value === "object" || typeof value === "number" || Array.isArray(value)) {
return undefined;
}
return errors.formatRegExError({ value, pointer });
},
time: (core, schema, value, pointer) => {
if (typeof value !== "string") {
return undefined;
}
// https://github.com/cfworker/cfworker/blob/main/packages/json-schema/src/format.ts
const matches = value.match(matchTime);
if (!matches) {
return errors.formatDateTimeError({ value, pointer });
}
const hour = +matches[1];
const minute = +matches[2];
const second = +matches[3];
const timeZone = !!matches[5];
if (((hour <= 23 && minute <= 59 && second <= 59) ||
(hour == 23 && minute == 59 && second == 60)) &&
timeZone) {
return undefined;
}
return errors.formatTimeError({ value, pointer });
},
uri: (core, schema, value, pointer) => {
if (typeof value !== "string" || value === "") {
return undefined;
}
if (validUrl.isUri(value)) {
return undefined;
}
return errors.formatURIError({ value, pointer });
},
"uri-reference": (core, schema, value, pointer) => {
if (typeof value !== "string" || value === "") {
return undefined;
}
if (isValidURIRef.test(value)) {
return undefined;
}
return errors.formatURIReferenceError({ value, pointer });
},
"uri-template": (core, schema, value, pointer) => {
if (typeof value !== "string" || value === "") {
return undefined;
}
if (isValidURITemplate.test(value)) {
return undefined;
}
return errors.formatURITemplateError({ value, pointer });
},
url: (core, schema, value, pointer) => {
if (value === "" || validUrl.isWebUri(value)) {
return undefined;
}
return errors.formatURLError({ value, pointer });
}
};
export default formatValidators;
//# sourceMappingURL=format.js.map