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import * as toolrunnner from "@actions/exec/lib/toolrunner";
import * as http from "@actions/http-client";
import { IHeaders } from "@actions/http-client/interfaces";
import * as toolcache from "@actions/tool-cache";
import * as fs from "fs";
import * as path from "path";
import * as semver from "semver";
import * as stream from "stream";
import * as globalutil from "util";
import uuidV4 from "uuid/v4";
import * as api from "./api-client";
import * as defaults from "./defaults.json"; // Referenced from codeql-action-sync-tool!
import { errorMatchers } from "./error-matcher";
import { Language } from "./languages";
import { Logger } from "./logging";
import { toolrunnerErrorCatcher } from "./toolrunner-error-catcher";
import * as util from "./util";
type Options = Array<string | number | boolean>;
/**
* Extra command line options for the codeql commands.
*/
interface ExtraOptions {
"*"?: Options;
database?: {
"*"?: Options;
init?: Options;
"trace-command"?: Options;
analyze?: Options;
finalize?: Options;
};
resolve?: {
"*"?: Options;
extractor?: Options;
queries?: Options;
};
}
export interface CodeQL {
/**
* Get the path of the CodeQL executable.
*/
getPath(): string;
/**
* Print version information about CodeQL.
*/
printVersion(): Promise<void>;
/**
* Run 'codeql database trace-command' on 'tracer-env.js' and parse
* the result to get environment variables set by CodeQL.
*/
getTracerEnv(databasePath: string): Promise<{ [key: string]: string }>;
/**
* Run 'codeql database init'.
*/
databaseInit(
databasePath: string,
language: Language,
sourceRoot: string
): Promise<void>;
/**
* Runs the autobuilder for the given language.
*/
runAutobuild(language: Language): Promise<void>;
/**
* Extract code for a scanned language using 'codeql database trace-command'
* and running the language extracter.
*/
extractScannedLanguage(database: string, language: Language): Promise<void>;
/**
* Finalize a database using 'codeql database finalize'.
*/
finalizeDatabase(databasePath: string): Promise<void>;
/**
* Run 'codeql resolve queries'.
*/
resolveQueries(
queries: string[],
extraSearchPath: string | undefined
): Promise<ResolveQueriesOutput>;
/**
* Run 'codeql database analyze'.
*/
databaseAnalyze(
databasePath: string,
sarifFile: string,
querySuite: string,
memoryFlag: string,
addSnippetsFlag: string,
threadsFlag: string
): Promise<void>;
}
export interface ResolveQueriesOutput {
byLanguage: {
[language: string]: {
[queryPath: string]: {};
};
};
noDeclaredLanguage: {
[queryPath: string]: {};
};
multipleDeclaredLanguages: {
[queryPath: string]: {};
};
}
/**
* Stores the CodeQL object, and is populated by `setupCodeQL` or `getCodeQL`.
* Can be overridden in tests using `setCodeQL`.
*/
let cachedCodeQL: CodeQL | undefined = undefined;
const CODEQL_BUNDLE_VERSION = defaults.bundleVersion;
const CODEQL_BUNDLE_NAME = "codeql-bundle.tar.gz";
const CODEQL_DEFAULT_ACTION_REPOSITORY = "github/codeql-action";
function getCodeQLActionRepository(mode: util.Mode): string {
if (mode !== "actions") {
return CODEQL_DEFAULT_ACTION_REPOSITORY;
}
// Actions do not know their own repository name,
// so we currently use this hack to find the name based on where our files are.
// This can be removed once the change to the runner in https://github.com/actions/runner/pull/585 is deployed.
const runnerTemp = util.getRequiredEnvParam("RUNNER_TEMP");
const actionsDirectory = path.join(path.dirname(runnerTemp), "_actions");
const relativeScriptPath = path.relative(actionsDirectory, __filename);
// This handles the case where the Action does not come from an Action repository,
// e.g. our integration tests which use the Action code from the current checkout.
if (
relativeScriptPath.startsWith("..") ||
path.isAbsolute(relativeScriptPath)
) {
return CODEQL_DEFAULT_ACTION_REPOSITORY;
}
const relativeScriptPathParts = relativeScriptPath.split(path.sep);
return `${relativeScriptPathParts[0]}/${relativeScriptPathParts[1]}`;
}
async function getCodeQLBundleDownloadURL(
githubAuth: string,
githubUrl: string,
mode: util.Mode,
logger: Logger
): Promise<string> {
const codeQLActionRepository = getCodeQLActionRepository(mode);
const potentialDownloadSources = [
// This GitHub instance, and this Action.
[githubUrl, codeQLActionRepository],
// This GitHub instance, and the canonical Action.
[githubUrl, CODEQL_DEFAULT_ACTION_REPOSITORY],
// GitHub.com, and the canonical Action.
[util.GITHUB_DOTCOM_URL, CODEQL_DEFAULT_ACTION_REPOSITORY],
];
// We now filter out any duplicates.
// Duplicates will happen either because the GitHub instance is GitHub.com, or because the Action is not a fork.
const uniqueDownloadSources = potentialDownloadSources.filter(
(url, index, self) => index === self.indexOf(url)
);
for (const downloadSource of uniqueDownloadSources) {
const [apiURL, repository] = downloadSource;
// If we've reached the final case, short-circuit the API check since we know the bundle exists and is public.
if (
apiURL === util.GITHUB_DOTCOM_URL &&
repository === CODEQL_DEFAULT_ACTION_REPOSITORY
) {
break;
}
const [repositoryOwner, repositoryName] = repository.split("/");
try {
const release = await api
.getApiClient(githubAuth, githubUrl)
.repos.getReleaseByTag({
owner: repositoryOwner,
repo: repositoryName,
tag: CODEQL_BUNDLE_VERSION,
});
for (const asset of release.data.assets) {
if (asset.name === CODEQL_BUNDLE_NAME) {
logger.info(
`Found CodeQL bundle in ${downloadSource[1]} on ${downloadSource[0]} with URL ${asset.url}.`
);
return asset.url;
}
}
} catch (e) {
logger.info(
`Looked for CodeQL bundle in ${downloadSource[1]} on ${downloadSource[0]} but got error ${e}.`
);
}
}
return `https://github.com/${CODEQL_DEFAULT_ACTION_REPOSITORY}/releases/download/${CODEQL_BUNDLE_VERSION}/${CODEQL_BUNDLE_NAME}`;
}
// We have to download CodeQL manually because the toolcache doesn't support Accept headers.
// This can be removed once https://github.com/actions/toolkit/pull/530 is merged and released.
async function toolcacheDownloadTool(
url: string,
headers: IHeaders | undefined,
tempDir: string,
logger: Logger
): Promise<string> {
const client = new http.HttpClient("CodeQL Action");
const dest = path.join(tempDir, uuidV4());
const response: http.HttpClientResponse = await client.get(url, headers);
if (response.message.statusCode !== 200) {
logger.info(
`Failed to download from "${url}". Code(${response.message.statusCode}) Message(${response.message.statusMessage})`
);
throw new Error(`Unexpected HTTP response: ${response.message.statusCode}`);
}
const pipeline = globalutil.promisify(stream.pipeline);
fs.mkdirSync(path.dirname(dest), { recursive: true });
await pipeline(response.message, fs.createWriteStream(dest));
return dest;
}
export async function setupCodeQL(
codeqlURL: string | undefined,
githubAuth: string,
githubUrl: string,
tempDir: string,
toolsDir: string,
mode: util.Mode,
logger: Logger
): Promise<CodeQL> {
// Setting these two env vars makes the toolcache code safe to use outside,
// of actions but this is obviously not a great thing we're doing and it would
// be better to write our own implementation to use outside of actions.
process.env["RUNNER_TEMP"] = tempDir;
process.env["RUNNER_TOOL_CACHE"] = toolsDir;
try {
const codeqlURLVersion = getCodeQLURLVersion(
codeqlURL || `/${CODEQL_BUNDLE_VERSION}/`,
logger
);
let codeqlFolder = toolcache.find("CodeQL", codeqlURLVersion);
if (codeqlFolder) {
logger.debug(`CodeQL found in cache ${codeqlFolder}`);
} else {
if (!codeqlURL) {
codeqlURL = await getCodeQLBundleDownloadURL(
githubAuth,
githubUrl,
mode,
logger
);
}
const headers: IHeaders = { accept: "application/octet-stream" };
// We only want to provide an authorization header if we are downloading
// from the same GitHub instance the Action is running on.
// This avoids leaking Enterprise tokens to dotcom.
if (codeqlURL.startsWith(`${githubUrl}/`)) {
logger.debug("Downloading CodeQL bundle with token.");
headers.authorization = `token ${githubAuth}`;
} else {
logger.debug("Downloading CodeQL bundle without token.");
}
logger.info(
`Downloading CodeQL tools from ${codeqlURL}. This may take a while.`
);
const codeqlPath = await toolcacheDownloadTool(
codeqlURL,
headers,
tempDir,
logger
);
logger.debug(`CodeQL bundle download to ${codeqlPath} complete.`);
const codeqlExtracted = await toolcache.extractTar(codeqlPath);
codeqlFolder = await toolcache.cacheDir(
codeqlExtracted,
"CodeQL",
codeqlURLVersion
);
}
let codeqlCmd = path.join(codeqlFolder, "codeql", "codeql");
if (process.platform === "win32") {
codeqlCmd += ".exe";
} else if (process.platform !== "linux" && process.platform !== "darwin") {
throw new Error(`Unsupported platform: ${process.platform}`);
}
cachedCodeQL = getCodeQLForCmd(codeqlCmd);
return cachedCodeQL;
} catch (e) {
logger.error(e);
throw new Error("Unable to download and extract CodeQL CLI");
}
}
export function getCodeQLURLVersion(url: string, logger: Logger): string {
const match = url.match(/\/codeql-bundle-(.*)\//);
if (match === null || match.length < 2) {
throw new Error(
`Malformed tools url: ${url}. Version could not be inferred`
);
}
let version = match[1];
if (!semver.valid(version)) {
logger.debug(
`Bundle version ${version} is not in SemVer format. Will treat it as pre-release 0.0.0-${version}.`
);
version = `0.0.0-${version}`;
}
const s = semver.clean(version);
if (!s) {
throw new Error(
`Malformed tools url ${url}. Version should be in SemVer format but have ${version} instead`
);
}
return s;
}
/**
* Use the CodeQL executable located at the given path.
*/
export function getCodeQL(cmd: string): CodeQL {
if (cachedCodeQL === undefined) {
cachedCodeQL = getCodeQLForCmd(cmd);
}
return cachedCodeQL;
}
function resolveFunction<T>(
partialCodeql: Partial<CodeQL>,
methodName: string,
defaultImplementation?: T
): T {
if (typeof partialCodeql[methodName] !== "function") {
if (defaultImplementation !== undefined) {
return defaultImplementation;
}
const dummyMethod = () => {
throw new Error(`CodeQL ${methodName} method not correctly defined`);
};
return dummyMethod as any;
}
return partialCodeql[methodName];
}
/**
* Set the functionality for CodeQL methods. Only for use in tests.
*
* Accepts a partial object and any undefined methods will be implemented
* to immediately throw an exception indicating which method is missing.
*/
export function setCodeQL(partialCodeql: Partial<CodeQL>): CodeQL {
cachedCodeQL = {
getPath: resolveFunction(partialCodeql, "getPath", () => "/tmp/dummy-path"),
printVersion: resolveFunction(partialCodeql, "printVersion"),
getTracerEnv: resolveFunction(partialCodeql, "getTracerEnv"),
databaseInit: resolveFunction(partialCodeql, "databaseInit"),
runAutobuild: resolveFunction(partialCodeql, "runAutobuild"),
extractScannedLanguage: resolveFunction(
partialCodeql,
"extractScannedLanguage"
),
finalizeDatabase: resolveFunction(partialCodeql, "finalizeDatabase"),
resolveQueries: resolveFunction(partialCodeql, "resolveQueries"),
databaseAnalyze: resolveFunction(partialCodeql, "databaseAnalyze"),
};
return cachedCodeQL;
}
/**
* Get the cached CodeQL object. Should only be used from tests.
*
* TODO: Work out a good way for tests to get this from the test context
* instead of having to have this method.
*/
export function getCachedCodeQL(): CodeQL {
if (cachedCodeQL === undefined) {
// Should never happen as setCodeQL is called by testing-utils.setupTests
throw new Error("cachedCodeQL undefined");
}
return cachedCodeQL;
}
function getCodeQLForCmd(cmd: string): CodeQL {
return {
getPath() {
return cmd;
},
async printVersion() {
await new toolrunnner.ToolRunner(cmd, [
"version",
"--format=json",
]).exec();
},
async getTracerEnv(databasePath: string) {
// Write tracer-env.js to a temp location.
const tracerEnvJs = path.resolve(
databasePath,
"working",
"tracer-env.js"
);
fs.mkdirSync(path.dirname(tracerEnvJs), { recursive: true });
fs.writeFileSync(
tracerEnvJs,
`
const fs = require('fs');
const env = {};
for (let entry of Object.entries(process.env)) {
const key = entry[0];
const value = entry[1];
if (typeof value !== 'undefined' && key !== '_' && !key.startsWith('JAVA_MAIN_CLASS_')) {
env[key] = value;
}
}
process.stdout.write(process.argv[2]);
fs.writeFileSync(process.argv[2], JSON.stringify(env), 'utf-8');`
);
const envFile = path.resolve(databasePath, "working", "env.tmp");
await new toolrunnner.ToolRunner(cmd, [
"database",
"trace-command",
databasePath,
...getExtraOptionsFromEnv(["database", "trace-command"]),
process.execPath,
tracerEnvJs,
envFile,
]).exec();
return JSON.parse(fs.readFileSync(envFile, "utf-8"));
},
async databaseInit(
databasePath: string,
language: Language,
sourceRoot: string
) {
await new toolrunnner.ToolRunner(cmd, [
"database",
"init",
databasePath,
`--language=${language}`,
`--source-root=${sourceRoot}`,
...getExtraOptionsFromEnv(["database", "init"]),
]).exec();
},
async runAutobuild(language: Language) {
const cmdName =
process.platform === "win32" ? "autobuild.cmd" : "autobuild.sh";
const autobuildCmd = path.join(
path.dirname(cmd),
language,
"tools",
cmdName
);
// Update JAVA_TOOL_OPTIONS to contain '-Dhttp.keepAlive=false'
// This is because of an issue with Azure pipelines timing out connections after 4 minutes
// and Maven not properly handling closed connections
// Otherwise long build processes will timeout when pulling down Java packages
// https://developercommunity.visualstudio.com/content/problem/292284/maven-hosted-agent-connection-timeout.html
const javaToolOptions = process.env["JAVA_TOOL_OPTIONS"] || "";
process.env["JAVA_TOOL_OPTIONS"] = [
...javaToolOptions.split(/\s+/),
"-Dhttp.keepAlive=false",
"-Dmaven.wagon.http.pool=false",
].join(" ");
await new toolrunnner.ToolRunner(autobuildCmd).exec();
},
async extractScannedLanguage(databasePath: string, language: Language) {
// Get extractor location
let extractorPath = "";
await new toolrunnner.ToolRunner(
cmd,
[
"resolve",
"extractor",
"--format=json",
`--language=${language}`,
...getExtraOptionsFromEnv(["resolve", "extractor"]),
],
{
silent: true,
listeners: {
stdout: (data) => {
extractorPath += data.toString();
},
stderr: (data) => {
process.stderr.write(data);
},
},
}
).exec();
// Set trace command
const ext = process.platform === "win32" ? ".cmd" : ".sh";
const traceCommand = path.resolve(
JSON.parse(extractorPath),
"tools",
`autobuild${ext}`
);
// Run trace command
await toolrunnerErrorCatcher(
cmd,
[
"database",
"trace-command",
...getExtraOptionsFromEnv(["database", "trace-command"]),
databasePath,
"--",
traceCommand,
],
errorMatchers
);
},
async finalizeDatabase(databasePath: string) {
await toolrunnerErrorCatcher(
cmd,
[
"database",
"finalize",
...getExtraOptionsFromEnv(["database", "finalize"]),
databasePath,
],
errorMatchers
);
},
async resolveQueries(
queries: string[],
extraSearchPath: string | undefined
) {
const codeqlArgs = [
"resolve",
"queries",
...queries,
"--format=bylanguage",
...getExtraOptionsFromEnv(["resolve", "queries"]),
];
if (extraSearchPath !== undefined) {
codeqlArgs.push("--search-path", extraSearchPath);
}
let output = "";
await new toolrunnner.ToolRunner(cmd, codeqlArgs, {
listeners: {
stdout: (data: Buffer) => {
output += data.toString();
},
},
}).exec();
return JSON.parse(output);
},
async databaseAnalyze(
databasePath: string,
sarifFile: string,
querySuite: string,
memoryFlag: string,
addSnippetsFlag: string,
threadsFlag: string
) {
await new toolrunnner.ToolRunner(cmd, [
"database",
"analyze",
memoryFlag,
threadsFlag,
databasePath,
"--format=sarif-latest",
`--output=${sarifFile}`,
addSnippetsFlag,
...getExtraOptionsFromEnv(["database", "analyze"]),
querySuite,
]).exec();
},
};
}
/**
* Gets the options for `path` of `options` as an array of extra option strings.
*/
function getExtraOptionsFromEnv(path: string[]) {
const options: ExtraOptions = util.getExtraOptionsEnvParam();
return getExtraOptions(options, path, []);
}
/**
* Gets the options for `path` of `options` as an array of extra option strings.
*
* - the special terminal step name '*' in `options` matches all path steps
* - throws an exception if this conversion is impossible.
*/
export /* exported for testing */ function getExtraOptions(
options: any,
path: string[],
pathInfo: string[]
): string[] {
/**
* Gets `options` as an array of extra option strings.
*
* - throws an exception mentioning `pathInfo` if this conversion is impossible.
*/
function asExtraOptions(options: any, pathInfo: string[]): string[] {
if (options === undefined) {
return [];
}
if (!Array.isArray(options)) {
const msg = `The extra options for '${pathInfo.join(
"."
)}' ('${JSON.stringify(options)}') are not in an array.`;
throw new Error(msg);
}
return options.map((o) => {
const t = typeof o;
if (t !== "string" && t !== "number" && t !== "boolean") {
const msg = `The extra option for '${pathInfo.join(
"."
)}' ('${JSON.stringify(o)}') is not a primitive value.`;
throw new Error(msg);
}
return `${o}`;
});
}
const all = asExtraOptions(options?.["*"], pathInfo.concat("*"));
const specific =
path.length === 0
? asExtraOptions(options, pathInfo)
: getExtraOptions(
options?.[path[0]],
path?.slice(1),
pathInfo.concat(path[0])
);
return all.concat(specific);
}