54 lines
1.4 KiB
JavaScript
54 lines
1.4 KiB
JavaScript
// @flow
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import validator from "validator";
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import { type Context } from "koa";
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import { ParamRequiredError, ValidationError } from "../errors";
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import { validateColorHex } from "../../shared/utils/color";
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export default function validation() {
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return function validationMiddleware(ctx: Context, next: () => Promise<*>) {
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ctx.assertPresent = (value, message) => {
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if (value === undefined || value === null || value === "") {
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throw new ParamRequiredError(message);
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}
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};
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ctx.assertIn = (value, options, message) => {
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if (!options.includes(value)) {
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throw new ValidationError(message);
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}
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};
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ctx.assertNotEmpty = (value, message) => {
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if (value === "") {
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throw new ValidationError(message);
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}
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};
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ctx.assertEmail = (value = "", message) => {
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if (!validator.isEmail(value)) {
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throw new ValidationError(message);
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}
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};
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ctx.assertUuid = (value = "", message) => {
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if (!validator.isUUID(value)) {
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throw new ValidationError(message);
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}
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};
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ctx.assertPositiveInteger = (value, message) => {
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if (!validator.isInt(value, { min: 0 })) {
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throw new ValidationError(message);
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}
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};
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ctx.assertHexColor = (value, message) => {
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if (!validateColorHex(value)) {
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throw new ValidationError(message);
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}
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};
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return next();
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};
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}
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