@riddance/aws-host/http.js

import { clientFromHeaders, executeRequest } from '@riddance/host/http';
import { measure } from '@riddance/host/lib/http';
import { getHandlers } from '@riddance/host/registry';
import { createAwsContext } from './context.js';
export * from '@riddance/service/http';
function isRestRequest(request) {
    return !request.version;
}
async function asyncIndex(req, awsContext, callback) {
    const [handler] = getHandlers('http');
    if (!handler) {
        throw new Error('No http handler registered.');
    }
    const { log, context, success, flush } = createAwsContext(awsContext, req.stageVariables, clientFromHeaders(req.headers), handler.config, handler.meta);
    if (req.body && req.isBase64Encoded) {
        req.body = Buffer.from(req.body, 'base64').toString('utf-8');
    }
    const result = await executeRequest(log, context, handler, {
        headers: req.headers,
        uri: isRestRequest(req)
            ? `https://${req.requestContext.domainName}${req.requestContext.path}`
            : `https://${req.requestContext.domainName}${req.rawPath}${req.rawQueryString ? '?' + req.rawQueryString : ''}`,
        json: req.body ? JSON.parse(req.body) : undefined,
    }, success);
    try {
        callback(undefined, Buffer.isBuffer(result.body)
            ? {
                statusCode: result.status,
                headers: result.headers,
                body: result.body.toString('base64'),
            }
            : {
                statusCode: result.status,
                headers: result.headers,
                body: result.body,
            });
    }
    catch (e) {
        log.fatal('Error sending response to Lambda.', e);
    }
    await measure(log, 'flush', flush);
}
export function awsHandler(req, context, callback) {
    context.callbackWaitsForEmptyEventLoop = false;
    asyncIndex(req, context, callback).catch((e) => setImmediate(callback, e, undefined));
}
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{ clientFromHeaders, executeRequest } from '@riddance/host/http'\nimport { Json, measure } from '@riddance/host/lib/http'\nimport { getHandlers } from '@riddance/host/registry'\nimport { AwsContext, createAwsContext } from './context.js'\n\nexport * from '@riddance/service/http'\n\ntype HttpResponse = {\n    statusCode: string | number\n    headers?: { [key: string]: string }\n    multiValueHeaders?: { [key: string]: string[] }\n    body?: string\n    isBase64Encoded?: boolean\n}\n\ntype CommonRequestEvent = {\n    pathParameters: { [key: string]: string }\n    stageVariables: { [key: string]: string }\n    body?: string\n    isBase64Encoded: boolean\n}\n\ntype RestRequestEvent = {\n    resource: string\n    path: string\n    httpMethod: string\n    requestContext: {\n        resourcePath: string\n        httpMethod: string\n        domainName: string\n        path: string\n        protocol: string\n        stage: string\n        requestId: string\n        identity: {\n            accountId: string\n            sourceIp: string\n            userAgent: string\n        }\n    }\n    headers: { [key: string]: string }\n    multiValueHeaders: { [key: string]: string[] }\n    multiValueQueryStringParameters: { [key: string]: string[] }\n} & CommonRequestEvent\n\ntype HttpRequestEvent = {\n    version: '2.0'\n    routeKey: string\n    rawPath: string\n    rawQueryString: string\n    headers: { [key: string]: string }\n    cookies: { [key: string]: string }\n    queryStringParameters: { [key: string]: string }\n    requestContext: {\n        accountId: string\n        apiId: string\n        domainName: string\n        domainPrefix: string\n        http: {\n            method: string\n            path: string\n            protocol: string\n            sourceIp: string\n            userAgent: string\n        }\n        requestId: string\n        routeKey: string\n        stage: string\n        time: string\n        timeEpoch: number\n    }\n} & CommonRequestEvent\n\ntype RequestEvent = HttpRequestEvent | RestRequestEvent\n\nfunction isRestRequest(request: RequestEvent): request is RestRequestEvent {\n    return !(request as { version: unknown }).version\n}\n\nasync function asyncIndex(\n    req: RequestEvent,\n    awsContext: AwsContext,\n    callback: (error: unknown, response: HttpResponse | undefined) => void,\n) {\n    const [handler] = getHandlers('http')\n    if (!handler) {\n        throw new Error('No http handler registered.')\n    }\n    const { log, context, success, flush } = createAwsContext(\n        awsContext,\n        req.stageVariables,\n        clientFromHeaders(req.headers),\n        handler.config,\n        handler.meta,\n    )\n\n    if (req.body && req.isBase64Encoded) {\n        req.body = Buffer.from(req.body, 'base64').toString('utf-8')\n    }\n    const result = await executeRequest(\n        log,\n        context,\n        handler,\n        {\n            headers: req.headers,\n            uri: isRestRequest(req)\n                ? `https://${req.requestContext.domainName}${req.requestContext.path}`\n                : `https://${req.requestContext.domainName}${req.rawPath}${\n                      req.rawQueryString ? '?' + req.rawQueryString : ''\n                  }`,\n            json: req.body ? (JSON.parse(req.body) as Json) : undefined,\n        },\n        success,\n    )\n\n    try {\n        callback(\n            undefined,\n            Buffer.isBuffer(result.body)\n                ? {\n                      statusCode: result.status,\n                      headers: result.headers,\n                      body: result.body.toString('base64'),\n                  }\n                : {\n                      statusCode: result.status,\n                      headers: result.headers,\n                      body: result.body,\n                  },\n        )\n    } catch (e) {\n        log.fatal('Error sending response to Lambda.', e)\n    }\n\n    await measure(log, 'flush', flush)\n}\n\nexport function awsHandler(\n    req: HttpRequestEvent,\n    context: AwsContext,\n    callback: (error: unknown, response: HttpResponse | undefined) => void,\n) {\n    context.callbackWaitsForEmptyEventLoop = false\n    asyncIndex(req, context, callback).catch((e: unknown) => setImmediate(callback, e, undefined))\n}\n"]}