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import { EitherAsync, Maybe } from "purify-ts";
import path from "node:path";
import os from "node:os";
import { createLogger } from "./util/log.js";
import { name } from "./info.js";
import * as yup from "yup";
import { buildRequestInit, downloadFile, fetchJson } from "./util/net.js";
import { cleanDir, resolveFile, unzipFileIntoDirectory } from "./util/fs.js";
const log = createLogger(`${name} Installation`);
const NAME_RE = /^dependency-check-\d+\.\d+\.\d+-release\.zip$/;
const LATEST_RELEASE_URL =
"https://api.github.com/repos/dependency-check/DependencyCheck/releases/latest";
const TAG_RELEASE_URL =
"https://api.github.com/repos/dependency-check/DependencyCheck/releases/tags/";
const IS_WIN = os.platform() === "win32";
function findOwaspExecutable(installDir: string) {
return resolveFile(
installDir,
"dependency-check",
"bin",
`dependency-check.${IS_WIN ? "bat" : "sh"}`,
);
}
const githubReleaseSchema = yup.object({
tag_name: yup.string().required(),
assets: yup
.array()
.of(
yup.object({
name: yup.string().required(),
browser_download_url: yup.string().url().required(),
}),
)
.required(),
});
type GithubRelease = yup.InferType<typeof githubReleaseSchema>;
export function castGithubRelease(
data: unknown,
): EitherAsync<Error, GithubRelease> {
return EitherAsync(() =>
githubReleaseSchema.validate(data, { strict: true }),
).mapLeft(ensureError);
}
function findReleaseInfo(
odcVersion: Maybe<string>,
proxyUrl: Maybe<URL>,
githubToken: Maybe<string>,
) {
const url = odcVersion.mapOrDefault(value => {
return TAG_RELEASE_URL + value;
}, LATEST_RELEASE_URL);
return fetchJson(url, createRequestInit(proxyUrl, githubToken))
.chain(data => castGithubRelease(data))
.ifRight(() => {
log.info(`Fetched release information from ${url}`);
});
}
export function findDownloadAsset(release: GithubRelease) {
return Maybe.fromNullable(release.assets.find(a => NAME_RE.test(a.name)));
}
function downloadRelease(
url: string,
name: string,
installDir: string,
proxyUrl: Maybe<URL>,
) {
return downloadFile(
url,
createRequestInit(proxyUrl, Maybe.empty()),
path.resolve(installDir, name),
)
.ifRight(() => {
log.info(`Downloaded dependency check from ${url}`);
})
.mapLeft(() => Error(`Download failed from ${url}`));
}
export function createRequestInit(
proxyUrl: Maybe<URL>,
githubToken: Maybe<string>,
) {
return buildRequestInit(
proxyUrl,
githubToken.map(token => {
return { Authorization: `Bearer ${token}` };
}),
);
}
function installRelease(
release: GithubRelease,
installDir: string,
proxyUrl: Maybe<URL>,
) {
log.info(`Installing dependency check ${release.tag_name}...`);
cleanDir(installDir, log);
return EitherAsync.liftEither(
findDownloadAsset(release).toEither(
Error(`Could not find asset for version ${release.tag_name}`),
),
)
.chain(asset =>
downloadRelease(
asset.browser_download_url,
asset.name,
installDir,
proxyUrl,
),
)
.chain(filePath => unzipFileIntoDirectory(filePath, installDir, true, log))
.mapLeft(() => Error("Could not unzip files"))
.chain(() =>
EitherAsync.liftEither(
findOwaspExecutable(installDir).toEither(
Error(
`Could not find Dependency-Check Core executable in ${installDir}`,
),
),
),
);
}
export async function installDependencyCheck(
binDir: string,
odcVersion: Maybe<string>,
proxyUrl: Maybe<URL>,
githubToken: Maybe<string>,
forceInstall: boolean,
keepOldVersions: boolean,
) {
const release = (
await findReleaseInfo(odcVersion, proxyUrl, githubToken).mapLeft(error =>
Error(`Could not fetch release from GitHub. Reason: ${error.message}`),
)
).unsafeCoerce();
log.info(`Found release ${release.tag_name} on GitHub.`);
const installDir = path.resolve(binDir, release.tag_name);
const executable = findOwaspExecutable(installDir).filter(
() => !forceInstall,
);
if (executable.isJust()) {
log.info(
`Using already installed dependency check at "${executable.unsafeCoerce()}".`,
);
return executable.unsafeCoerce();
}
if (!keepOldVersions) {
cleanDir(binDir, log);
}
return (await installRelease(release, installDir, proxyUrl)).unsafeCoerce();
}
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