Files
codeql-action/lib/workflow.js

383 lines
16 KiB
JavaScript
Generated

"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]; } };
}
Object.defineProperty(o, k2, desc);
}) : (function(o, m, k, k2) {
if (k2 === undefined) k2 = k;
o[k2] = m[k];
}));
var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {
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;
};
var __importDefault = (this && this.__importDefault) || function (mod) {
return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.getCheckoutPathInputOrThrow = exports.getUploadInputOrThrow = exports.getCategoryInputOrThrow = exports.getWorkflowRunAttempt = exports.getWorkflowRunID = exports.getWorkflowRelativePath = exports.getWorkflow = exports.formatWorkflowCause = exports.formatWorkflowErrors = exports.validateWorkflow = exports.getWorkflowErrors = exports.WorkflowErrors = exports.patternIsSuperset = void 0;
const fs = __importStar(require("fs"));
const path = __importStar(require("path"));
const zlib_1 = __importDefault(require("zlib"));
const core = __importStar(require("@actions/core"));
const yaml = __importStar(require("js-yaml"));
const api = __importStar(require("./api-client"));
const util_1 = require("./util");
function isObject(o) {
return o !== null && typeof o === "object";
}
const GLOB_PATTERN = new RegExp("(\\*\\*?)");
function escapeRegExp(string) {
return string.replace(/[.*+?^${}()|[\]\\]/g, "\\$&"); // $& means the whole matched string
}
function patternToRegExp(value) {
return new RegExp(`^${value
.toString()
.split(GLOB_PATTERN)
.reduce(function (arr, cur) {
if (cur === "**") {
arr.push(".*?");
}
else if (cur === "*") {
arr.push("[^/]*?");
}
else if (cur) {
arr.push(escapeRegExp(cur));
}
return arr;
}, [])
.join("")}$`);
}
// this function should return true if patternA is a superset of patternB
// e.g: * is a superset of main-* but main-* is not a superset of *.
function patternIsSuperset(patternA, patternB) {
return patternToRegExp(patternA).test(patternB);
}
exports.patternIsSuperset = patternIsSuperset;
function branchesToArray(branches) {
if (typeof branches === "string") {
return [branches];
}
if (Array.isArray(branches)) {
if (branches.length === 0) {
return "**";
}
return branches;
}
return "**";
}
function toCodedErrors(errors) {
return Object.entries(errors).reduce((acc, [code, message]) => {
acc[code] = { message, code };
return acc;
}, {});
}
// code to send back via status report
// message to add as a warning annotation to the run
exports.WorkflowErrors = toCodedErrors({
MismatchedBranches: `Please make sure that every branch in on.pull_request is also in on.push so that Code Scanning can compare pull requests against the state of the base branch.`,
MissingPushHook: `Please specify an on.push hook so that Code Scanning can compare pull requests against the state of the base branch.`,
CheckoutWrongHead: `git checkout HEAD^2 is no longer necessary. Please remove this step as Code Scanning recommends analyzing the merge commit for best results.`,
});
function getWorkflowErrors(doc) {
const errors = [];
const jobName = process.env.GITHUB_JOB;
if (jobName) {
const job = doc?.jobs?.[jobName];
const steps = job?.steps;
if (Array.isArray(steps)) {
for (const step of steps) {
// this was advice that we used to give in the README
// we actually want to run the analysis on the merge commit
// to produce results that are more inline with expectations
// (i.e: this is what will happen if you merge this PR)
// and avoid some race conditions
if (step?.run === "git checkout HEAD^2") {
errors.push(exports.WorkflowErrors.CheckoutWrongHead);
break;
}
}
}
}
let missingPush = false;
if (doc.on === undefined) {
// this is not a valid config
}
else if (typeof doc.on === "string") {
if (doc.on === "pull_request") {
missingPush = true;
}
}
else if (Array.isArray(doc.on)) {
const hasPush = doc.on.includes("push");
const hasPullRequest = doc.on.includes("pull_request");
if (hasPullRequest && !hasPush) {
missingPush = true;
}
}
else if (isObject(doc.on)) {
const hasPush = Object.prototype.hasOwnProperty.call(doc.on, "push");
const hasPullRequest = Object.prototype.hasOwnProperty.call(doc.on, "pull_request");
if (!hasPush && hasPullRequest) {
missingPush = true;
}
// if doc.on.pull_request is null that means 'all branches'
// if doc.on.pull_request is undefined that means 'off'
// we only want to check for mismatched branches if pull_request is on.
if (doc.on.pull_request !== undefined) {
const push = branchesToArray(doc.on.push?.branches);
if (push !== "**") {
const pull_request = branchesToArray(doc.on.pull_request?.branches);
if (pull_request !== "**") {
const difference = pull_request.filter((value) => !push.some((o) => patternIsSuperset(o, value)));
if (difference.length > 0) {
// there are branches in pull_request that may not have a baseline
// because we are not building them on push
errors.push(exports.WorkflowErrors.MismatchedBranches);
}
}
else if (push.length > 0) {
// push is set up to run on a subset of branches
// and you could open a PR against a branch with no baseline
errors.push(exports.WorkflowErrors.MismatchedBranches);
}
}
}
}
if (missingPush) {
errors.push(exports.WorkflowErrors.MissingPushHook);
}
return errors;
}
exports.getWorkflowErrors = getWorkflowErrors;
async function validateWorkflow(logger) {
let workflow;
try {
workflow = await getWorkflow(logger);
}
catch (e) {
return `error: getWorkflow() failed: ${String(e)}`;
}
let workflowErrors;
try {
workflowErrors = getWorkflowErrors(workflow);
}
catch (e) {
return `error: getWorkflowErrors() failed: ${String(e)}`;
}
if (workflowErrors.length > 0) {
let message;
try {
message = formatWorkflowErrors(workflowErrors);
}
catch (e) {
return `error: formatWorkflowErrors() failed: ${String(e)}`;
}
core.warning(message);
}
return formatWorkflowCause(workflowErrors);
}
exports.validateWorkflow = validateWorkflow;
function formatWorkflowErrors(errors) {
const issuesWere = errors.length === 1 ? "issue was" : "issues were";
const errorsList = errors.map((e) => e.message).join(" ");
return `${errors.length} ${issuesWere} detected with this workflow: ${errorsList}`;
}
exports.formatWorkflowErrors = formatWorkflowErrors;
function formatWorkflowCause(errors) {
if (errors.length === 0) {
return undefined;
}
return errors.map((e) => e.code).join(",");
}
exports.formatWorkflowCause = formatWorkflowCause;
async function getWorkflow(logger) {
// In default setup, the currently executing workflow is not checked into the repository.
// Instead, a gzipped then base64 encoded version of the workflow file is provided via the
// `CODE_SCANNING_WORKFLOW_FILE` environment variable.
const maybeWorkflow = process.env["CODE_SCANNING_WORKFLOW_FILE"];
if (maybeWorkflow) {
logger.debug("Using the workflow specified by the CODE_SCANNING_WORKFLOW_FILE environment variable.");
return yaml.load(zlib_1.default.gunzipSync(Buffer.from(maybeWorkflow, "base64")).toString());
}
const workflowPath = await getWorkflowAbsolutePath(logger);
return yaml.load(fs.readFileSync(workflowPath, "utf-8"));
}
exports.getWorkflow = getWorkflow;
/**
* Get the absolute path of the currently executing workflow.
*/
async function getWorkflowAbsolutePath(logger) {
const relativePath = await getWorkflowRelativePath();
const absolutePath = path.join((0, util_1.getRequiredEnvParam)("GITHUB_WORKSPACE"), relativePath);
if (fs.existsSync(absolutePath)) {
logger.debug(`Derived the following absolute path for the currently executing workflow: ${absolutePath}.`);
return absolutePath;
}
throw new Error(`Expected to find a code scanning workflow file at ${absolutePath}, but no such file existed. ` +
"This can happen if the currently running workflow checks out a branch that doesn't contain " +
"the corresponding workflow file.");
}
/**
* Get the path of the currently executing workflow relative to the repository root.
*/
async function getWorkflowRelativePath() {
const repo_nwo = (0, util_1.getRequiredEnvParam)("GITHUB_REPOSITORY").split("/");
const owner = repo_nwo[0];
const repo = repo_nwo[1];
const run_id = Number((0, util_1.getRequiredEnvParam)("GITHUB_RUN_ID"));
const apiClient = api.getApiClient();
const runsResponse = await apiClient.request("GET /repos/:owner/:repo/actions/runs/:run_id?exclude_pull_requests=true", {
owner,
repo,
run_id,
});
const workflowUrl = runsResponse.data.workflow_url;
const workflowResponse = await apiClient.request(`GET ${workflowUrl}`);
return workflowResponse.data.path;
}
exports.getWorkflowRelativePath = getWorkflowRelativePath;
/**
* 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;
}
exports.getWorkflowRunID = getWorkflowRunID;
/**
* 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;
}
exports.getWorkflowRunAttempt = getWorkflowRunAttempt;
function getStepsCallingAction(job, actionName) {
if (job.uses) {
throw new Error(`Could not get steps calling ${actionName} since the job calls a reusable workflow.`);
}
const steps = job.steps;
if (!Array.isArray(steps)) {
throw new Error(`Could not get steps calling ${actionName} since job.steps was not an array.`);
}
return steps.filter((step) => step.uses?.includes(actionName));
}
/**
* Makes a best effort attempt to retrieve the value of a particular input with which
* an Action in the workflow would be invoked.
*
* Typically you'll want to wrap this function in a try/catch block and handle the error.
*
* @returns the value of the input, or undefined if no such input is passed to the Action
* @throws an error if the value of the input could not be determined, or we could not
* determine that no such input is passed to the Action.
*/
function getInputOrThrow(workflow, jobName, actionName, inputName, matrixVars) {
const preamble = `Could not get ${inputName} input to ${actionName} since`;
if (!workflow.jobs) {
throw new Error(`${preamble} the workflow has no jobs.`);
}
if (!workflow.jobs[jobName]) {
throw new Error(`${preamble} the workflow has no job named ${jobName}.`);
}
const stepsCallingAction = getStepsCallingAction(workflow.jobs[jobName], actionName);
if (stepsCallingAction.length === 0) {
throw new Error(`${preamble} the ${jobName} job does not call ${actionName}.`);
}
else if (stepsCallingAction.length > 1) {
throw new Error(`${preamble} the ${jobName} job calls ${actionName} multiple times.`);
}
let input = stepsCallingAction[0].with?.[inputName]?.toString();
if (input !== undefined && matrixVars !== undefined) {
// Normalize by removing whitespace
input = input.replace(/\${{\s+/, "${{").replace(/\s+}}/, "}}");
// Make a basic attempt to substitute matrix variables
for (const [key, value] of Object.entries(matrixVars)) {
input = input.replace(`\${{matrix.${key}}}`, value);
}
}
if (input !== undefined && input.includes("${{")) {
throw new Error(`Could not get ${inputName} input to ${actionName} since it contained an unrecognized dynamic value.`);
}
return input;
}
/**
* Get the expected name of the analyze Action.
*
* This allows us to test workflow parsing functionality as a CodeQL Action PR check.
*/
function getAnalyzeActionName() {
if ((0, util_1.getRequiredEnvParam)("GITHUB_REPOSITORY") === "github/codeql-action") {
return "./analyze";
}
else {
return "github/codeql-action/analyze";
}
}
/**
* Makes a best effort attempt to retrieve the category input for the particular job,
* given a set of matrix variables.
*
* Typically you'll want to wrap this function in a try/catch block and handle the error.
*
* @returns the category input, or undefined if the category input is not defined
* @throws an error if the category input could not be determined
*/
function getCategoryInputOrThrow(workflow, jobName, matrixVars) {
return getInputOrThrow(workflow, jobName, getAnalyzeActionName(), "category", matrixVars);
}
exports.getCategoryInputOrThrow = getCategoryInputOrThrow;
/**
* Makes a best effort attempt to retrieve the upload input for the particular job,
* given a set of matrix variables.
*
* Typically you'll want to wrap this function in a try/catch block and handle the error.
*
* @returns the user input to upload, or undefined if input was unspecified
* @throws an error if the upload input could not be determined
*/
function getUploadInputOrThrow(workflow, jobName, matrixVars) {
return getInputOrThrow(workflow, jobName, getAnalyzeActionName(), "upload", matrixVars);
}
exports.getUploadInputOrThrow = getUploadInputOrThrow;
/**
* Makes a best effort attempt to retrieve the checkout_path input for the
* particular job, given a set of matrix variables.
*
* Typically you'll want to wrap this function in a try/catch block and handle the error.
*
* @returns the checkout_path input
* @throws an error if the checkout_path input could not be determined
*/
function getCheckoutPathInputOrThrow(workflow, jobName, matrixVars) {
return (getInputOrThrow(workflow, jobName, getAnalyzeActionName(), "checkout_path", matrixVars) || (0, util_1.getRequiredEnvParam)("GITHUB_WORKSPACE") // if unspecified, checkout_path defaults to ${{ github.workspace }}
);
}
exports.getCheckoutPathInputOrThrow = getCheckoutPathInputOrThrow;
//# sourceMappingURL=workflow.js.map