86 lines
2.2 KiB
TypeScript
86 lines
2.2 KiB
TypeScript
import limiter from './limiter';
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import { IUser } from '../../models/user';
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import { IApp } from '../../models/app';
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import endpoints from './endpoints';
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import { ApiError } from './error';
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import { apiLogger } from './logger';
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const accessDenied = {
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message: 'Access denied.',
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code: 'ACCESS_DENIED',
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id: '56f35758-7dd5-468b-8439-5d6fb8ec9b8e'
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};
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export default async (endpoint: string, user: IUser, app: IApp, data: any, file?: any) => {
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const isSecure = user != null && app == null;
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const ep = endpoints.find(e => e.name === endpoint);
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if (ep == null) {
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throw new ApiError({
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message: 'No such endpoint.',
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code: 'NO_SUCH_ENDPOINT',
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id: 'f8080b67-5f9c-4eb7-8c18-7f1eeae8f709',
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});
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}
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if (ep.meta.secure && !isSecure) {
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throw new ApiError(accessDenied);
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}
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if (ep.meta.requireCredential && user == null) {
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throw new ApiError({
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message: 'Credential required.',
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code: 'CREDENTIAL_REQUIRED',
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id: '1384574d-a912-4b81-8601-c7b1c4085df1',
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});
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}
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if (ep.meta.requireCredential && user.isSuspended) {
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throw new ApiError(accessDenied, { reason: 'Your account has been suspended.' });
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}
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if (ep.meta.requireAdmin && !user.isAdmin) {
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throw new ApiError(accessDenied, { reason: 'You are not the admin.' });
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}
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if (ep.meta.requireModerator && !user.isAdmin && !user.isModerator) {
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throw new ApiError(accessDenied, { reason: 'You are not a moderator.' });
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}
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if (app && ep.meta.kind && !app.permission.some(p => p === ep.meta.kind)) {
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throw new ApiError({
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message: 'Your app does not have the necessary permissions to use this endpoint.',
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code: 'PERMISSION_DENIED',
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id: '1370e5b7-d4eb-4566-bb1d-7748ee6a1838',
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});
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}
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if (ep.meta.requireCredential && ep.meta.limit) {
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// Rate limit
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await limiter(ep, user).catch(e => {
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throw new ApiError({
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message: 'Rate limit exceeded. Please try again later.',
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code: 'RATE_LIMIT_EXCEEDED',
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id: 'd5826d14-3982-4d2e-8011-b9e9f02499ef',
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});
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});
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}
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// API invoking
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return await ep.exec(data, user, app, file).catch((e: Error) => {
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if (e instanceof ApiError) {
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throw e;
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} else {
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apiLogger.error(e);
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throw new ApiError(null, {
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e: {
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message: e.message,
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code: e.name,
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stack: e.stack
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}
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});
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}
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});
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};
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