使用路由参数时，CloudFront无法转发查询参数。

Question

【以下的问题经过翻译处理】 我的设置为：CloudFront -> HTTP API -> Lambda

API有两个路由:`/route1`和`/route2/{param}`

缓存策略包含`myquery`参数。
当我调用`/route1?myquery=foo`时，我可以在Lambda负载中找到`myquery`。
当我调用`/route2/something?myquery=foo`时，我无法在负载中找到`myquery`。

当我直接调用API，跳过CloudFront - 然后`myquery`始终在负载中。
可能的原因是什么？

Answer

【以下的回答经过翻译处理】 嗨，马丁，感谢您提供细节。

以下是您需要在Cloudfront分发中更改的内容。

1. 创建一种行为，并将路径模式设置为“foo / \ *”，确保您包括/和星号。
2. 创建一个自定义的“Origin Request Policy”，其中不包括“ Host”标头。为简单起见，我只在实验室中使用了“ Accept”标头。然后将此策略应用于先前步骤中的行为。请确保将“Query strings”设置为“all”。
这是我的实验室输出：
API网关响应：
'''
{
    "version": "2.0",
    "routeKey": "ANY /foo/{id}",
    "rawPath": "/foo/123",
    "rawQueryString": "one=two",
    "headers": {
        "accept": "*/*",
        "accept-encoding": "gzip, deflate, br",
        "content-length": "0",
        "host": "fjmwwrrzv7.execute-api.eu-west-1.amazonaws.com",
        "postman-token": "988b16f3-a171-4e8e-9453-00ef6534b5bc",
        "user-agent": "PostmanRuntime/7.30.0",
        "x-amzn-trace-id": "Root=1-63b0b6a8-17db418f57a7e4c1650d61f8",
        "x-forwarded-for": "51.38.214.163",
        "x-forwarded-port": "443",
        "x-forwarded-proto": "https"
    },
    "queryStringParameters": {
        "one": "two"
    },
    "requestContext": {
        "accountId": "687732141706",
        "apiId": "fjmwwrrzv7",
        "domainName": "fjmwwrrzv7.execute-api.eu-west-1.amazonaws.com",
        "domainPrefix": "fjmwwrrzv7",
        "http": {
            "method": "GET",
            "path": "/foo/123",
            "protocol": "HTTP/1.1",
            "sourceIp": "51.38.214.163",
            "userAgent": "PostmanRuntime/7.30.0"
        },
        "requestId": "eCF6Vg2ajoEEP5g=",
        "routeKey": "ANY /foo/{id}",
        "stage": "$default",
        "time": "31/Dec/2022:22:24:40 +0000",
        "timeEpoch": 1672525480366
    },
    "pathParameters": {
        "id": "123"
    },
    "isBase64Encoded": false
}
'''
CloudFront 响应:
'''
{
    "version": "2.0",
    "routeKey": "ANY /foo/{id}",
    "rawPath": "/foo/123",
    "rawQueryString": "one=two",
    "headers": {
        "accept": "*/*",
        "content-length": "0",
        "host": "fjmwwrrzv7.execute-api.eu-west-1.amazonaws.com",
        "user-agent": "Amazon CloudFront",
        "via": "1.1 c000bcf50af6babd5b4e98a9c6198f04.cloudfront.net (CloudFront)",
        "x-amz-cf-id": "9tJHL1cAR3M9gB5YUmLbgB4CtG5Er7rat3a59m2vTKc_Os_V0Btfng==",
        "x-amzn-trace-id": "Root=1-63b0b6a1-02aab142769ccff63b4a262f",
        "x-forwarded-for": "51.38.214.165, 15.158.56.86",
        "x-forwarded-port": "443",
        "x-forwarded-proto": "https"
    },
    "queryStringParameters": {
        "one": "two"
    },
    "requestContext": {
        "accountId": "687732141706",
        "apiId": "fjmwwrrzv7",
        "domainName": "fjmwwrrzv7.execute-api.eu-west-1.amazonaws.com",
        "domainPrefix": "fjmwwrrzv7",
        "http": {
            "method": "GET",
            "path": "/foo/123",
            "protocol": "HTTP/1.1",
            "sourceIp": "51.38.214.165",
            "userAgent": "Amazon CloudFront"
        },
        "requestId": "eCF5UjfhjoEEMSg=",
        "routeKey": "ANY /foo/{id}",
        "stage": "$default",
        "time": "31/Dec/2022:22:24:33 +0000",
        "timeEpoch": 1672525473811
    },
    "pathParameters": {
        "id": "123"
    },
    "isBase64Encoded": false
}
'''

使用路由参数时，CloudFront无法转发查询参数。

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