698ad90d3e
This reverts commit 69ea71aa9e0bd2e5a98904a66fba0ad3745707cb, reversing changes made to 8b2faf0b18336e5dff1eeff4e849bcfd96b09e88.
90 lines
2.6 KiB
TypeScript
90 lines
2.6 KiB
TypeScript
/*
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Spacebar: A FOSS re-implementation and extension of the Discord.com backend.
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Copyright (C) 2023 Spacebar and Spacebar Contributors
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU Affero General Public License as published
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by the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Affero General Public License for more details.
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You should have received a copy of the GNU Affero General Public License
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along with this program. If not, see <https://www.gnu.org/licenses/>.
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*/
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import Ajv from "ajv";
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import addFormats from "ajv-formats";
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import fs from "fs";
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import path from "path";
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const SchemaPath = path.join(
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__dirname,
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"..",
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"..",
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"..",
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"assets",
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"schemas.json",
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);
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const schemas = JSON.parse(fs.readFileSync(SchemaPath, { encoding: "utf8" }));
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export const ajv = new Ajv({
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allErrors: true,
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parseDate: true,
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allowDate: true,
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schemas,
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coerceTypes: true,
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messages: true,
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strict: true,
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strictRequired: true,
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allowUnionTypes: true,
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});
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addFormats(ajv);
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export function validateSchema<G extends object>(schema: string, data: G): G {
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const valid = ajv.validate(schema, normalizeBody(data));
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if (!valid) throw ajv.errors;
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return data;
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}
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// Normalizer is introduced to workaround https://github.com/ajv-validator/ajv/issues/1287
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// this removes null values as ajv doesn't treat them as undefined
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// normalizeBody allows to handle circular structures without issues
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// taken from https://github.com/serverless/serverless/blob/master/lib/classes/ConfigSchemaHandler/index.js#L30 (MIT license)
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export const normalizeBody = (body: object = {}) => {
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const normalizedObjectsSet = new WeakSet();
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const normalizeObject = (object: object) => {
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if (normalizedObjectsSet.has(object)) return;
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normalizedObjectsSet.add(object);
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if (Array.isArray(object)) {
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for (const [, value] of object.entries()) {
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if (typeof value === "object") normalizeObject(value);
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}
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} else {
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for (const [key, value] of Object.entries(object)) {
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if (value == null) {
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if (
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key === "icon" ||
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key === "avatar" ||
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key === "banner" ||
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key === "splash" ||
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key === "discovery_splash"
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)
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continue;
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// eslint-disable-next-line @typescript-eslint/ban-ts-comment
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//@ts-ignore
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delete object[key];
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} else if (typeof value === "object") {
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normalizeObject(value);
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}
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}
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}
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};
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normalizeObject(body);
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return body;
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};
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