Files
codeql-action/lib/actions-util.js
2024-08-05 19:22:26 +01:00

432 lines
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JavaScript
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"use strict";
var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
if (k2 === undefined) k2 = k;
var desc = Object.getOwnPropertyDescriptor(m, k);
if (!desc || ("get" in desc ? !m.__esModule : desc.writable || desc.configurable)) {
desc = { enumerable: true, get: function() { return m[k]; } };
}
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if (k2 === undefined) k2 = k;
o[k2] = m[k];
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Object.defineProperty(o, "default", { enumerable: true, value: v });
}) : function(o, v) {
o["default"] = v;
});
var __importStar = (this && this.__importStar) || function (mod) {
if (mod && mod.__esModule) return mod;
var result = {};
if (mod != null) for (var k in mod) if (k !== "default" && Object.prototype.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);
__setModuleDefault(result, mod);
return result;
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.getFileType = exports.FileCmdNotFoundError = exports.determineMergeBaseCommitOid = exports.getCommitOid = exports.getOptionalInput = exports.getRequiredInput = void 0;
exports.getTemporaryDirectory = getTemporaryDirectory;
exports.getRef = getRef;
exports.getActionVersion = getActionVersion;
exports.getWorkflowEventName = getWorkflowEventName;
exports.isRunningLocalAction = isRunningLocalAction;
exports.getRelativeScriptPath = getRelativeScriptPath;
exports.getWorkflowEvent = getWorkflowEvent;
exports.isAnalyzingDefaultBranch = isAnalyzingDefaultBranch;
exports.printDebugLogs = printDebugLogs;
exports.getUploadValue = getUploadValue;
exports.getWorkflowRunID = getWorkflowRunID;
exports.getWorkflowRunAttempt = getWorkflowRunAttempt;
exports.isSelfHostedRunner = isSelfHostedRunner;
const fs = __importStar(require("fs"));
const path = __importStar(require("path"));
const core = __importStar(require("@actions/core"));
const toolrunner = __importStar(require("@actions/exec/lib/toolrunner"));
const safeWhich = __importStar(require("@chrisgavin/safe-which"));
const util_1 = require("./util");
// eslint-disable-next-line import/no-commonjs, @typescript-eslint/no-require-imports
const pkg = require("../package.json");
/**
* Wrapper around core.getInput for inputs that always have a value.
* Also see getOptionalInput.
*
* This allows us to get stronger type checking of required/optional inputs.
*/
const getRequiredInput = function (name) {
const value = core.getInput(name);
if (!value) {
throw new util_1.ConfigurationError(`Input required and not supplied: ${name}`);
}
return value;
};
exports.getRequiredInput = getRequiredInput;
/**
* Wrapper around core.getInput that converts empty inputs to undefined.
* Also see getRequiredInput.
*
* This allows us to get stronger type checking of required/optional inputs.
*/
const getOptionalInput = function (name) {
const value = core.getInput(name);
return value.length > 0 ? value : undefined;
};
exports.getOptionalInput = getOptionalInput;
function getTemporaryDirectory() {
const value = process.env["CODEQL_ACTION_TEMP"];
return value !== undefined && value !== ""
? value
: (0, util_1.getRequiredEnvParam)("RUNNER_TEMP");
}
/**
* Gets the SHA of the commit that is currently checked out.
*/
const getCommitOid = async function (checkoutPath, ref = "HEAD") {
// Try to use git to get the current commit SHA. If that fails then
// log but otherwise silently fall back to using the SHA from the environment.
// The only time these two values will differ is during analysis of a PR when
// the workflow has changed the current commit to the head commit instead of
// the merge commit, which must mean that git is available.
// Even if this does go wrong, it's not a huge problem for the alerts to
// reported on the merge commit.
let stderr = "";
try {
let commitOid = "";
await new toolrunner.ToolRunner(await safeWhich.safeWhich("git"), ["rev-parse", ref], {
silent: true,
listeners: {
stdout: (data) => {
commitOid += data.toString();
},
stderr: (data) => {
stderr += data.toString();
},
},
cwd: checkoutPath,
}).exec();
return commitOid.trim();
}
catch {
if (stderr.includes("not a git repository")) {
core.info("Could not determine current commit SHA using git. Continuing with data from user input or environment. " +
"The checkout path provided to the action does not appear to be a git repository.");
}
else {
core.info(`Could not determine current commit SHA using git. Continuing with data from user input or environment. ${stderr}`);
}
return (0, exports.getOptionalInput)("sha") || (0, util_1.getRequiredEnvParam)("GITHUB_SHA");
}
};
exports.getCommitOid = getCommitOid;
/**
* If the action was triggered by a pull request, determine the commit sha of the merge base.
* Returns undefined if run by other triggers or the merge base cannot be determined.
*/
const determineMergeBaseCommitOid = async function (checkoutPathOverride) {
if (getWorkflowEventName() !== "pull_request") {
return undefined;
}
const mergeSha = (0, util_1.getRequiredEnvParam)("GITHUB_SHA");
const checkoutPath = checkoutPathOverride ?? (0, exports.getOptionalInput)("checkout_path");
let stderr = "";
try {
let commitOid = "";
let baseOid = "";
let headOid = "";
await new toolrunner.ToolRunner(await safeWhich.safeWhich("git"), ["show", "-s", "--format=raw", mergeSha], {
silent: true,
listeners: {
stdline: (data) => {
if (data.startsWith("commit ") && commitOid === "") {
commitOid = data.substring(7);
}
else if (data.startsWith("parent ")) {
if (baseOid === "") {
baseOid = data.substring(7);
}
else if (headOid === "") {
headOid = data.substring(7);
}
}
},
stderr: (data) => {
stderr += data.toString();
},
},
cwd: checkoutPath,
}).exec();
// Let's confirm our assumptions: We had a merge commit and the parsed parent data looks correct
if (commitOid === mergeSha &&
headOid.length === 40 &&
baseOid.length === 40) {
return baseOid;
}
return undefined;
}
catch {
if (stderr.includes("not a git repository")) {
core.info("The checkout path provided to the action does not appear to be a git repository. " +
"Will calculate the merge base on the server.");
}
else {
core.info(`Failed to call git to determine merge base. Will calculate the merge base on ` +
`the server. Reason: ${stderr}`);
}
return undefined;
}
};
exports.determineMergeBaseCommitOid = determineMergeBaseCommitOid;
/**
* Get the ref currently being analyzed.
*/
async function getRef() {
// Will be in the form "refs/heads/master" on a push event
// or in the form "refs/pull/N/merge" on a pull_request event
const refInput = (0, exports.getOptionalInput)("ref");
const shaInput = (0, exports.getOptionalInput)("sha");
const checkoutPath = (0, exports.getOptionalInput)("checkout_path") ||
(0, exports.getOptionalInput)("source-root") ||
(0, util_1.getRequiredEnvParam)("GITHUB_WORKSPACE");
const hasRefInput = !!refInput;
const hasShaInput = !!shaInput;
// If one of 'ref' or 'sha' are provided, both are required
if ((hasRefInput || hasShaInput) && !(hasRefInput && hasShaInput)) {
throw new util_1.ConfigurationError("Both 'ref' and 'sha' are required if one of them is provided.");
}
const ref = refInput || getRefFromEnv();
const sha = shaInput || (0, util_1.getRequiredEnvParam)("GITHUB_SHA");
// If the ref is a user-provided input, we have to skip logic
// and assume that it is really where they want to upload the results.
if (refInput) {
return refInput;
}
// For pull request refs we want to detect whether the workflow
// has run `git checkout HEAD^2` to analyze the 'head' ref rather
// than the 'merge' ref. If so, we want to convert the ref that
// we report back.
const pull_ref_regex = /refs\/pull\/(\d+)\/merge/;
if (!pull_ref_regex.test(ref)) {
return ref;
}
const head = await (0, exports.getCommitOid)(checkoutPath, "HEAD");
// in actions/checkout@v2+ we can check if git rev-parse HEAD == GITHUB_SHA
// in actions/checkout@v1 this may not be true as it checks out the repository
// using GITHUB_REF. There is a subtle race condition where
// git rev-parse GITHUB_REF != GITHUB_SHA, so we must check
// git rev-parse GITHUB_REF == git rev-parse HEAD instead.
const hasChangedRef = sha !== head &&
(await (0, exports.getCommitOid)(checkoutPath, ref.replace(/^refs\/pull\//, "refs/remotes/pull/"))) !== head;
if (hasChangedRef) {
const newRef = ref.replace(pull_ref_regex, "refs/pull/$1/head");
core.debug(`No longer on merge commit, rewriting ref from ${ref} to ${newRef}.`);
return newRef;
}
else {
return ref;
}
}
function getRefFromEnv() {
// To workaround a limitation of Actions dynamic workflows not setting
// the GITHUB_REF in some cases, we accept also the ref within the
// CODE_SCANNING_REF variable. When possible, however, we prefer to use
// the GITHUB_REF as that is a protected variable and cannot be overwritten.
let refEnv;
try {
refEnv = (0, util_1.getRequiredEnvParam)("GITHUB_REF");
}
catch (e) {
// If the GITHUB_REF is not set, we try to rescue by getting the
// CODE_SCANNING_REF.
const maybeRef = process.env["CODE_SCANNING_REF"];
if (maybeRef === undefined || maybeRef.length === 0) {
throw e;
}
refEnv = maybeRef;
}
return refEnv;
}
function getActionVersion() {
return pkg.version;
}
/**
* Returns the name of the event that triggered this workflow.
*
* This will be "dynamic" for default setup workflow runs.
*/
function getWorkflowEventName() {
return (0, util_1.getRequiredEnvParam)("GITHUB_EVENT_NAME");
}
/**
* Returns whether the current workflow is executing a local copy of the Action, e.g. we're running
* a workflow on the codeql-action repo itself.
*/
function isRunningLocalAction() {
const relativeScriptPath = getRelativeScriptPath();
return (relativeScriptPath.startsWith("..") || path.isAbsolute(relativeScriptPath));
}
/**
* Get the location where the Action is running from.
*
* This can be used to get the Action's name or tell if we're running a local Action.
*/
function getRelativeScriptPath() {
const runnerTemp = (0, util_1.getRequiredEnvParam)("RUNNER_TEMP");
const actionsDirectory = path.join(path.dirname(runnerTemp), "_actions");
return path.relative(actionsDirectory, __filename);
}
/** Returns the contents of `GITHUB_EVENT_PATH` as a JSON object. */
function getWorkflowEvent() {
const eventJsonFile = (0, util_1.getRequiredEnvParam)("GITHUB_EVENT_PATH");
try {
return JSON.parse(fs.readFileSync(eventJsonFile, "utf-8"));
}
catch (e) {
throw new Error(`Unable to read workflow event JSON from ${eventJsonFile}: ${e}`);
}
}
function removeRefsHeadsPrefix(ref) {
return ref.startsWith("refs/heads/") ? ref.slice("refs/heads/".length) : ref;
}
/**
* Returns whether we are analyzing the default branch for the repository.
*
* This first checks the environment variable `CODE_SCANNING_IS_ANALYZING_DEFAULT_BRANCH`. This
* environment variable can be set in cases where repository information might not be available, for
* example dynamic workflows.
*/
async function isAnalyzingDefaultBranch() {
if (process.env.CODE_SCANNING_IS_ANALYZING_DEFAULT_BRANCH === "true") {
return true;
}
// Get the current ref and trim and refs/heads/ prefix
let currentRef = await getRef();
currentRef = removeRefsHeadsPrefix(currentRef);
const event = getWorkflowEvent();
let defaultBranch = event?.repository?.default_branch;
if (getWorkflowEventName() === "schedule") {
defaultBranch = removeRefsHeadsPrefix(getRefFromEnv());
}
return currentRef === defaultBranch;
}
async function printDebugLogs(config) {
for (const language of config.languages) {
const databaseDirectory = (0, util_1.getCodeQLDatabasePath)(config, language);
const logsDirectory = path.join(databaseDirectory, "log");
if (!(0, util_1.doesDirectoryExist)(logsDirectory)) {
core.info(`Directory ${logsDirectory} does not exist.`);
continue; // Skip this language database.
}
const walkLogFiles = (dir) => {
const entries = fs.readdirSync(dir, { withFileTypes: true });
if (entries.length === 0) {
core.info(`No debug logs found at directory ${logsDirectory}.`);
}
for (const entry of entries) {
if (entry.isFile()) {
const absolutePath = path.resolve(dir, entry.name);
core.startGroup(`CodeQL Debug Logs - ${language} - ${entry.name} from file at path ${absolutePath}`);
process.stdout.write(fs.readFileSync(absolutePath));
core.endGroup();
}
else if (entry.isDirectory()) {
walkLogFiles(path.resolve(dir, entry.name));
}
}
};
walkLogFiles(logsDirectory);
}
}
/**
* Parses the `upload` input into an `UploadKind`, converting unspecified and deprecated upload
* inputs appropriately.
*/
function getUploadValue(input) {
switch (input) {
case undefined:
case "true":
case "always":
return "always";
case "false":
case "failure-only":
return "failure-only";
case "never":
return "never";
default:
core.warning(`Unrecognized 'upload' input to 'analyze' Action: ${input}. Defaulting to 'always'.`);
return "always";
}
}
/**
* Get the workflow run ID.
*/
function getWorkflowRunID() {
const workflowRunIdString = (0, util_1.getRequiredEnvParam)("GITHUB_RUN_ID");
const workflowRunID = parseInt(workflowRunIdString, 10);
if (Number.isNaN(workflowRunID)) {
throw new Error(`GITHUB_RUN_ID must define a non NaN workflow run ID. Current value is ${workflowRunIdString}`);
}
if (workflowRunID < 0) {
throw new Error(`GITHUB_RUN_ID must be a non-negative integer. Current value is ${workflowRunIdString}`);
}
return workflowRunID;
}
/**
* Get the workflow run attempt number.
*/
function getWorkflowRunAttempt() {
const workflowRunAttemptString = (0, util_1.getRequiredEnvParam)("GITHUB_RUN_ATTEMPT");
const workflowRunAttempt = parseInt(workflowRunAttemptString, 10);
if (Number.isNaN(workflowRunAttempt)) {
throw new Error(`GITHUB_RUN_ATTEMPT must define a non NaN workflow run attempt. Current value is ${workflowRunAttemptString}`);
}
if (workflowRunAttempt <= 0) {
throw new Error(`GITHUB_RUN_ATTEMPT must be a positive integer. Current value is ${workflowRunAttemptString}`);
}
return workflowRunAttempt;
}
class FileCmdNotFoundError extends Error {
constructor(msg) {
super(msg);
this.name = "FileCmdNotFoundError";
}
}
exports.FileCmdNotFoundError = FileCmdNotFoundError;
/**
* Tries to obtain the output of the `file` command for the file at the specified path.
* The output will vary depending on the type of `file`, which operating system we are running on, etc.
*/
const getFileType = async (filePath) => {
let stderr = "";
let stdout = "";
let fileCmdPath;
try {
fileCmdPath = await safeWhich.safeWhich("file");
}
catch (e) {
throw new FileCmdNotFoundError(`The \`file\` program is required, but does not appear to be installed. Please install it: ${e}`);
}
try {
// The `file` command will output information about the type of file pointed at by `filePath`.
// For binary files, this may include e.g. whether they are static of dynamic binaries.
// The `-L` switch instructs the command to follow symbolic links.
await new toolrunner.ToolRunner(fileCmdPath, ["-L", filePath], {
silent: true,
listeners: {
stdout: (data) => {
stdout += data.toString();
},
stderr: (data) => {
stderr += data.toString();
},
},
}).exec();
return stdout.trim();
}
catch (e) {
core.info(`Could not determine type of ${filePath} from ${stdout}. ${stderr}`);
throw e;
}
};
exports.getFileType = getFileType;
function isSelfHostedRunner() {
return process.env.RUNNER_ENVIRONMENT === "self-hosted";
}
//# sourceMappingURL=actions-util.js.map