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Inject handlers into LensProxy to remove circular-deps
Signed-off-by: Sebastian Malton <sebastian@malton.name>
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,84 @@ | ||
| /** | ||
| * Copyright (c) 2021 OpenLens Authors | ||
| * | ||
| * Permission is hereby granted, free of charge, to any person obtaining a copy of | ||
| * this software and associated documentation files (the "Software"), to deal in | ||
| * the Software without restriction, including without limitation the rights to | ||
| * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of | ||
| * the Software, and to permit persons to whom the Software is furnished to do so, | ||
| * subject to the following conditions: | ||
| * | ||
| * The above copyright notice and this permission notice shall be included in all | ||
| * copies or substantial portions of the Software. | ||
| * | ||
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | ||
| * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS | ||
| * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR | ||
| * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER | ||
| * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN | ||
| * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. | ||
| */ | ||
|
|
||
| import { chunk } from "lodash"; | ||
| import net from "net"; | ||
| import url from "url"; | ||
| import { apiKubePrefix } from "../../common/vars"; | ||
| import { ClusterManager } from "../cluster-manager"; | ||
| import type { ProxyApiRequestArgs } from "./types"; | ||
|
|
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| const skipRawHeaders = new Set(["Host", "Authorization"]); | ||
|
|
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| export async function kubeApiRequest({ req, socket, head }: ProxyApiRequestArgs) { | ||
| const cluster = ClusterManager.getInstance().getClusterForRequest(req); | ||
|
|
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| if (!cluster) { | ||
| return; | ||
| } | ||
|
|
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| const proxyUrl = await cluster.contextHandler.resolveAuthProxyUrl() + req.url.replace(apiKubePrefix, ""); | ||
| const apiUrl = url.parse(cluster.apiUrl); | ||
| const pUrl = url.parse(proxyUrl); | ||
| const connectOpts = { port: parseInt(pUrl.port), host: pUrl.hostname }; | ||
| const proxySocket = new net.Socket(); | ||
|
|
||
| proxySocket.connect(connectOpts, () => { | ||
| proxySocket.write(`${req.method} ${pUrl.path} HTTP/1.1\r\n`); | ||
| proxySocket.write(`Host: ${apiUrl.host}\r\n`); | ||
|
|
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| for (const [key, value] of chunk(req.rawHeaders, 2)) { | ||
| if (skipRawHeaders.has(key)) { | ||
| continue; | ||
| } | ||
|
|
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| proxySocket.write(`${key}: ${value}\r\n`); | ||
| } | ||
|
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| proxySocket.write("\r\n"); | ||
| proxySocket.write(head); | ||
| }); | ||
|
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| proxySocket.setKeepAlive(true); | ||
| socket.setKeepAlive(true); | ||
| proxySocket.setTimeout(0); | ||
| socket.setTimeout(0); | ||
|
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||
| proxySocket.on("data", function (chunk) { | ||
| socket.write(chunk); | ||
| }); | ||
| proxySocket.on("end", function () { | ||
| socket.end(); | ||
| }); | ||
| proxySocket.on("error", function () { | ||
| socket.write(`HTTP/${req.httpVersion} 500 Connection error\r\n\r\n`); | ||
| socket.end(); | ||
| }); | ||
| socket.on("data", function (chunk) { | ||
| proxySocket.write(chunk); | ||
| }); | ||
| socket.on("end", function () { | ||
| proxySocket.end(); | ||
| }); | ||
| socket.on("error", function () { | ||
| proxySocket.end(); | ||
| }); | ||
| } |
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