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0e7f127ece
* Add script to automatically add license to each file * Add license preamble to each file. * Fix existing preamble detection breaking due to line endings. Git :( * Prevent license from being added to code with other licenses
78 lines
2.3 KiB
TypeScript
78 lines
2.3 KiB
TypeScript
/*
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Fosscord: A FOSS re-implementation and extension of the Discord.com backend.
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Copyright (C) 2023 Fosscord and Fosscord 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 { NextFunction, Request, Response } from "express";
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import { HTTPError } from "lambert-server";
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import { ApiError, FieldError } from "@fosscord/util";
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const EntityNotFoundErrorRegex = /"(\w+)"/;
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export function ErrorHandler(
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error: Error,
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req: Request,
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res: Response,
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next: NextFunction,
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) {
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if (!error) return next();
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try {
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let code = 400;
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let httpcode = code;
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let message = error?.toString();
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let errors = undefined;
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if (error instanceof HTTPError && error.code)
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code = httpcode = error.code;
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else if (error instanceof ApiError) {
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code = error.code;
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message = error.message;
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httpcode = error.httpStatus;
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} else if (error.name === "EntityNotFoundError") {
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message = `${
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error.message.match(EntityNotFoundErrorRegex)?.[1] || "Item"
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} could not be found`;
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code = httpcode = 404;
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} else if (error instanceof FieldError) {
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code = Number(error.code);
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message = error.message;
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errors = error.errors;
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} else {
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console.error(
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`[Error] ${code} ${req.url}\n`,
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errors || error,
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"\nbody:",
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req.body,
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);
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if (req.server?.options?.production) {
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// don't expose internal errors to the user, instead human errors should be thrown as HTTPError
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message = "Internal Server Error";
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}
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code = httpcode = 500;
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}
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if (httpcode > 511) httpcode = 400;
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res.status(httpcode).json({ code: code, message, errors });
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} catch (error) {
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console.error(`[Internal Server Error] 500`, error);
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return res
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.status(500)
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.json({ code: 500, message: "Internal Server Error" });
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}
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}
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