51 lines
1.4 KiB
TypeScript
51 lines
1.4 KiB
TypeScript
import * as Koa from 'koa';
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import { IEndpoint } from './endpoints';
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import authenticate, { AuthenticationError } from './authenticate';
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import call from './call';
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import { ApiError } from './error';
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export default (endpoint: IEndpoint, ctx: Koa.Context) => new Promise((res) => {
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const body = ctx.request.body;
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const reply = (x?: any, y?: ApiError) => {
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if (x == null) {
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ctx.status = 204;
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} else if (typeof x === 'number' && y) {
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ctx.status = x;
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ctx.body = {
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error: {
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message: y!.message,
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code: y!.code,
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id: y!.id,
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kind: y!.kind,
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...(y!.info ? { info: y!.info } : {})
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}
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};
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} else {
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// 文字列を返す場合は、JSON.stringify通さないとJSONと認識されない
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ctx.body = typeof x === 'string' ? JSON.stringify(x) : x;
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}
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res();
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};
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// Authentication
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authenticate(body['i']).then(([user, app]) => {
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// API invoking
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call(endpoint.name, user, app, body, (ctx as any).file).then((res: any) => {
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reply(res);
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}).catch((e: ApiError) => {
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reply(e.httpStatusCode ? e.httpStatusCode : e.kind === 'client' ? 400 : 500, e);
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});
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}).catch(e => {
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if (e instanceof AuthenticationError) {
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reply(403, new ApiError({
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message: 'Authentication failed. Please ensure your token is correct.',
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code: 'AUTHENTICATION_FAILED',
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id: 'b0a7f5f8-dc2f-4171-b91f-de88ad238e14'
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}));
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} else {
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reply(500, new ApiError());
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}
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});
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});
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