/
upload-lib.ts
432 lines (390 loc) · 12.7 KB
/
upload-lib.ts
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import * as fs from "fs";
import * as path from "path";
import zlib from "zlib";
import * as core from "@actions/core";
import fileUrl from "file-url";
import * as jsonschema from "jsonschema";
import * as semver from "semver";
import * as actionsUtil from "./actions-util";
import * as api from "./api-client";
import * as fingerprints from "./fingerprints";
import { Logger } from "./logging";
import { parseRepositoryNwo, RepositoryNwo } from "./repository";
import * as sharedEnv from "./shared-environment";
import * as util from "./util";
// Takes a list of paths to sarif files and combines them together,
// returning the contents of the combined sarif file.
export function combineSarifFiles(sarifFiles: string[]): string {
const combinedSarif = {
version: null,
runs: [] as any[],
};
for (const sarifFile of sarifFiles) {
const sarifObject = JSON.parse(fs.readFileSync(sarifFile, "utf8"));
// Check SARIF version
if (combinedSarif.version === null) {
combinedSarif.version = sarifObject.version;
} else if (combinedSarif.version !== sarifObject.version) {
throw new Error(
`Different SARIF versions encountered: ${combinedSarif.version} and ${sarifObject.version}`
);
}
combinedSarif.runs.push(...sarifObject.runs);
}
return JSON.stringify(combinedSarif);
}
// Populates the run.automationDetails.id field using the analysis_key and environment
// and return an updated sarif file contents.
export function populateRunAutomationDetails(
sarifContents: string,
category: string | undefined,
analysis_key: string | undefined,
environment: string | undefined
): string {
if (analysis_key === undefined) {
return sarifContents;
}
const automationID = getAutomationID(category, analysis_key, environment);
const sarif = JSON.parse(sarifContents);
for (const run of sarif.runs || []) {
if (run.automationDetails === undefined) {
run.automationDetails = {
id: automationID,
};
}
}
return JSON.stringify(sarif);
}
function getAutomationID(
category: string | undefined,
analysis_key: string,
environment: string | undefined
): string {
if (category !== undefined) {
let automationID = category;
if (!automationID.endsWith("/")) {
automationID += "/";
}
return automationID;
}
return actionsUtil.computeAutomationID(analysis_key, environment);
}
// Upload the given payload.
// If the request fails then this will retry a small number of times.
async function uploadPayload(
payload: any,
repositoryNwo: RepositoryNwo,
apiDetails: api.GitHubApiDetails,
logger: Logger
) {
logger.info("Uploading results");
// If in test mode we don't want to upload the results
const testMode = process.env["TEST_MODE"] === "true" || false;
if (testMode) {
return;
}
const client = api.getApiClient(apiDetails);
const reqURL = util.isActions()
? "PUT /repos/:owner/:repo/code-scanning/analysis"
: "POST /repos/:owner/:repo/code-scanning/sarifs";
const response = await client.request(reqURL, {
owner: repositoryNwo.owner,
repo: repositoryNwo.repo,
data: payload,
});
logger.debug(`response status: ${response.status}`);
logger.info("Successfully uploaded results");
}
export interface UploadStatusReport {
// Size in bytes of unzipped SARIF upload
raw_upload_size_bytes?: number;
// Size in bytes of actual SARIF upload
zipped_upload_size_bytes?: number;
// Number of results in the SARIF upload
num_results_in_sarif?: number;
}
// Recursively walks a directory and returns all SARIF files it finds.
// Does not follow symlinks.
export function findSarifFilesInDir(sarifPath: string): string[] {
const sarifFiles: string[] = [];
const walkSarifFiles = (dir: string) => {
const entries = fs.readdirSync(dir, { withFileTypes: true });
for (const entry of entries) {
if (entry.isFile() && entry.name.endsWith(".sarif")) {
sarifFiles.push(path.resolve(dir, entry.name));
} else if (entry.isDirectory()) {
walkSarifFiles(path.resolve(dir, entry.name));
}
}
};
walkSarifFiles(sarifPath);
return sarifFiles;
}
// Uploads a single sarif file or a directory of sarif files
// depending on what the path happens to refer to.
// Returns true iff the upload occurred and succeeded
export async function uploadFromActions(
sarifPath: string,
gitHubVersion: util.GitHubVersion,
apiDetails: api.GitHubApiDetails,
logger: Logger
): Promise<UploadStatusReport> {
return await uploadFiles(
getSarifFilePaths(sarifPath),
parseRepositoryNwo(util.getRequiredEnvParam("GITHUB_REPOSITORY")),
await actionsUtil.getCommitOid(),
await actionsUtil.getRef(),
await actionsUtil.getAnalysisKey(),
actionsUtil.getOptionalInput("category"),
util.getRequiredEnvParam("GITHUB_WORKFLOW"),
actionsUtil.getWorkflowRunID(),
actionsUtil.getRequiredInput("checkout_path"),
actionsUtil.getRequiredInput("matrix"),
gitHubVersion,
apiDetails,
logger
);
}
// Uploads a single sarif file or a directory of sarif files
// depending on what the path happens to refer to.
// Returns true iff the upload occurred and succeeded
export async function uploadFromRunner(
sarifPath: string,
repositoryNwo: RepositoryNwo,
commitOid: string,
ref: string,
category: string | undefined,
sourceRoot: string,
gitHubVersion: util.GitHubVersion,
apiDetails: api.GitHubApiDetails,
logger: Logger
): Promise<UploadStatusReport> {
return await uploadFiles(
getSarifFilePaths(sarifPath),
repositoryNwo,
commitOid,
ref,
undefined,
category,
undefined,
undefined,
sourceRoot,
undefined,
gitHubVersion,
apiDetails,
logger
);
}
function getSarifFilePaths(sarifPath: string) {
if (!fs.existsSync(sarifPath)) {
throw new Error(`Path does not exist: ${sarifPath}`);
}
let sarifFiles: string[];
if (fs.lstatSync(sarifPath).isDirectory()) {
sarifFiles = findSarifFilesInDir(sarifPath);
if (sarifFiles.length === 0) {
throw new Error(`No SARIF files found to upload in "${sarifPath}".`);
}
} else {
sarifFiles = [sarifPath];
}
return sarifFiles;
}
// Counts the number of results in the given SARIF file
export function countResultsInSarif(sarif: string): number {
let numResults = 0;
let parsedSarif;
try {
parsedSarif = JSON.parse(sarif);
} catch (e) {
throw new Error(
`Invalid SARIF. JSON syntax error: ${
e instanceof Error ? e.message : String(e)
}`
);
}
if (!Array.isArray(parsedSarif.runs)) {
throw new Error("Invalid SARIF. Missing 'runs' array.");
}
for (const run of parsedSarif.runs) {
if (!Array.isArray(run.results)) {
throw new Error("Invalid SARIF. Missing 'results' array in run.");
}
numResults += run.results.length;
}
return numResults;
}
// Validates that the given file path refers to a valid SARIF file.
// Throws an error if the file is invalid.
export function validateSarifFileSchema(sarifFilePath: string, logger: Logger) {
const sarif = JSON.parse(fs.readFileSync(sarifFilePath, "utf8"));
const schema = require("../src/sarif_v2.1.0_schema.json");
const result = new jsonschema.Validator().validate(sarif, schema);
if (!result.valid) {
// Output the more verbose error messages in groups as these may be very large.
for (const error of result.errors) {
logger.startGroup(`Error details: ${error.stack}`);
logger.info(JSON.stringify(error, null, 2));
logger.endGroup();
}
// Set the main error message to the stacks of all the errors.
// This should be of a manageable size and may even give enough to fix the error.
const sarifErrors = result.errors.map((e) => `- ${e.stack}`);
throw new Error(
`Unable to upload "${sarifFilePath}" as it is not valid SARIF:\n${sarifErrors.join(
"\n"
)}`
);
}
}
// buildPayload constructs a map ready to be uploaded to the API from the given
// parameters, respecting the current mode and target GitHub instance version.
export function buildPayload(
commitOid: string,
ref: string,
analysisKey: string | undefined,
analysisName: string | undefined,
zippedSarif: string,
workflowRunID: number | undefined,
checkoutURI: string,
environment: string | undefined,
toolNames: string[],
gitHubVersion: util.GitHubVersion
) {
if (util.isActions()) {
const payloadObj = {
commit_oid: commitOid,
ref,
analysis_key: analysisKey,
analysis_name: analysisName,
sarif: zippedSarif,
workflow_run_id: workflowRunID,
checkout_uri: checkoutURI,
environment,
started_at: process.env[sharedEnv.CODEQL_WORKFLOW_STARTED_AT],
tool_names: toolNames,
base_ref: undefined as undefined | string,
base_sha: undefined as undefined | string,
};
// This behaviour can be made the default when support for GHES 3.0 is discontinued.
if (
gitHubVersion.type !== util.GitHubVariant.GHES ||
semver.satisfies(gitHubVersion.version, `>=3.1`)
) {
if (
process.env.GITHUB_EVENT_NAME === "pull_request" &&
process.env.GITHUB_EVENT_PATH
) {
const githubEvent = JSON.parse(
fs.readFileSync(process.env.GITHUB_EVENT_PATH, "utf8")
);
payloadObj.base_ref = `refs/heads/${githubEvent.pull_request.base.ref}`;
payloadObj.base_sha = githubEvent.pull_request.base.sha;
}
}
return payloadObj;
} else {
return {
commit_sha: commitOid,
ref,
sarif: zippedSarif,
checkout_uri: checkoutURI,
tool_name: toolNames[0],
};
}
}
// Uploads the given set of sarif files.
// Returns true iff the upload occurred and succeeded
async function uploadFiles(
sarifFiles: string[],
repositoryNwo: RepositoryNwo,
commitOid: string,
ref: string,
analysisKey: string | undefined,
category: string | undefined,
analysisName: string | undefined,
workflowRunID: number | undefined,
sourceRoot: string,
environment: string | undefined,
gitHubVersion: util.GitHubVersion,
apiDetails: api.GitHubApiDetails,
logger: Logger
): Promise<UploadStatusReport> {
logger.startGroup("Uploading results");
logger.info(`Processing sarif files: ${JSON.stringify(sarifFiles)}`);
validateUniqueCategory(category);
// Validate that the files we were asked to upload are all valid SARIF files
for (const file of sarifFiles) {
validateSarifFileSchema(file, logger);
}
let sarifPayload = combineSarifFiles(sarifFiles);
sarifPayload = await fingerprints.addFingerprints(
sarifPayload,
sourceRoot,
logger
);
sarifPayload = populateRunAutomationDetails(
sarifPayload,
category,
analysisKey,
environment
);
const zippedSarif = zlib.gzipSync(sarifPayload).toString("base64");
const checkoutURI = fileUrl(sourceRoot);
const toolNames = util.getToolNames(sarifPayload);
const payload = buildPayload(
commitOid,
ref,
analysisKey,
analysisName,
zippedSarif,
workflowRunID,
checkoutURI,
environment,
toolNames,
gitHubVersion
);
// Log some useful debug info about the info
const rawUploadSizeBytes = sarifPayload.length;
logger.debug(`Raw upload size: ${rawUploadSizeBytes} bytes`);
const zippedUploadSizeBytes = zippedSarif.length;
logger.debug(`Base64 zipped upload size: ${zippedUploadSizeBytes} bytes`);
const numResultInSarif = countResultsInSarif(sarifPayload);
logger.debug(`Number of results in upload: ${numResultInSarif}`);
// Make the upload
await uploadPayload(payload, repositoryNwo, apiDetails, logger);
logger.endGroup();
return {
raw_upload_size_bytes: rawUploadSizeBytes,
zipped_upload_size_bytes: zippedUploadSizeBytes,
num_results_in_sarif: numResultInSarif,
};
}
export function validateUniqueCategory(category: string | undefined) {
if (util.isActions()) {
// This check only works on actions as env vars don't persist between calls to the runner
const sentinelEnvVar = `CODEQL_UPLOAD_SARIF${
category ? `_${sanitize(category)}` : ""
}`;
if (process.env[sentinelEnvVar]) {
throw new Error(
"Aborting upload: only one run of the codeql/analyze or codeql/upload-sarif actions is allowed per job per category. " +
"Please specify a unique `category` to call this action multiple times. " +
`Category: ${category ? category : "(none)"}`
);
}
core.exportVariable(sentinelEnvVar, sentinelEnvVar);
}
}
/**
* Santizes a string to be used as an environment variable name.
* This will replace all non-alphanumeric characters with underscores.
* There could still be some false category clashes if two uploads
* occur that differ only in their non-alphanumeric characters. This is
* unlikely.
*
* @param str the initial value to sanitize
*/
function sanitize(str: string) {
return str.replace(/[^a-zA-Z0-9_]/g, "_");
}