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server.js
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server.js
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import { spawnSync } from "node:child_process";
import fs from "node:fs";
import http from "node:http";
import os from "node:os";
import path from "node:path";
import process from "node:process";
import url from "node:url";
import bodyParser from "body-parser";
import connect from "connect";
import { createBom, submitBom } from "./index.js";
import { postProcess } from "./postgen.js";
import compression from "compression";
// Timeout milliseconds. Default 10 mins
const TIMEOUT_MS =
Number.parseInt(process.env.CDXGEN_SERVER_TIMEOUT_MS) || 10 * 60 * 1000;
const app = connect();
app.use(
bodyParser.json({
deflate: true,
limit: "1mb",
}),
);
app.use(compression());
const gitClone = (repoUrl, branch = null) => {
const tempDir = fs.mkdtempSync(
path.join(os.tmpdir(), path.basename(repoUrl)),
);
if (branch == null) {
console.log("Cloning Repo", "to", tempDir);
const result = spawnSync(
"git",
["clone", repoUrl, "--depth", "1", tempDir],
{
encoding: "utf-8",
shell: false,
},
);
if (result.status !== 0 || result.error) {
console.log(result.error);
}
} else {
console.log("Cloning repo with optional branch", "to", tempDir);
const result = spawnSync(
"git",
["clone", repoUrl, "--branch", branch, "--depth", "1", tempDir],
{
encoding: "utf-8",
shell: false,
},
);
if (result.status !== 0 || result.error) {
console.log(result.error);
}
}
return tempDir;
};
const parseQueryString = (q, body, options = {}) => {
if (body && Object.keys(body).length) {
options = Object.assign(options, body);
}
const queryParams = [
"type",
"multiProject",
"requiredOnly",
"noBabel",
"installDeps",
"projectId",
"projectName",
"projectGroup",
"projectVersion",
"parentUUID",
"serverUrl",
"apiKey",
"specVersion",
"filter",
"only",
"autoCompositions",
"gitBranch",
"active",
];
for (const param of queryParams) {
if (q[param]) {
options[param] = q[param];
}
}
options.projectType = options.type;
delete options.type;
return options;
};
const configureServer = (cdxgenServer) => {
cdxgenServer.headersTimeout = TIMEOUT_MS;
cdxgenServer.requestTimeout = TIMEOUT_MS;
cdxgenServer.timeout = 0;
cdxgenServer.keepAliveTimeout = 0;
};
const start = (options) => {
console.log("Listening on", options.serverHost, options.serverPort);
const cdxgenServer = http
.createServer(app)
.listen(options.serverPort, options.serverHost);
configureServer(cdxgenServer);
app.use("/health", (_req, res) => {
res.setHeader("Content-Type", "application/json");
res.end(JSON.stringify({ status: "OK" }, null, 2));
});
app.use("/sbom", async (req, res) => {
const q = url.parse(req.url, true).query;
let cleanup = false;
const reqOptions = parseQueryString(
q,
req.body,
Object.assign({}, options),
);
const filePath = q.path || q.url || req.body.path || req.body.url;
if (!filePath) {
res.writeHead(500, { "Content-Type": "application/json" });
return res.end(
JSON.stringify({
error: "path or url is required.",
}),
);
}
let srcDir = filePath;
if (filePath.startsWith("http") || filePath.startsWith("git")) {
srcDir = gitClone(filePath, reqOptions.gitBranch);
cleanup = true;
}
console.log("Generating SBOM for", srcDir);
let bomNSData = (await createBom(srcDir, reqOptions)) || {};
if (reqOptions.requiredOnly || reqOptions["filter"] || reqOptions["only"]) {
bomNSData = postProcess(bomNSData, reqOptions);
}
if (reqOptions.serverUrl && reqOptions.apiKey) {
console.log("Publishing SBOM to Dependency Track");
const response = await submitBom(reqOptions, bomNSData.bomJson);
const errorMessages = response?.errors;
if (errorMessages) {
res.writeHead(500, { "Content-Type": "application/json" });
return res.end(
JSON.stringify({
error: "Unable to submit the SBOM to the Dependency-Track server",
details: errorMessages,
}),
);
}
}
res.writeHead(200, { "Content-Type": "application/json" });
if (bomNSData.bomJson) {
if (
typeof bomNSData.bomJson === "string" ||
bomNSData.bomJson instanceof String
) {
res.write(bomNSData.bomJson);
} else {
res.write(JSON.stringify(bomNSData.bomJson, null, null));
}
}
res.end("\n");
if (cleanup && srcDir && srcDir.startsWith(os.tmpdir()) && fs.rmSync) {
console.log(`Cleaning up ${srcDir}`);
fs.rmSync(srcDir, { recursive: true, force: true });
}
});
};
export { configureServer, start };