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Verify checksums (#49)

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Co-authored-by: Derk-Jan Karrenbeld <derk-jan+github@karrenbeld.info>
This commit is contained in:
Sascha Mann
2020-11-08 17:15:46 +01:00
committed by GitHub
parent 45f46ba622
commit 71b841c6f2
4 changed files with 115 additions and 89 deletions
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55
lib/installer.js generated
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@@ -18,6 +18,7 @@ Object.defineProperty(exports, "__esModule", { value: true });
const core = __importStar(require("@actions/core"));
const exec = __importStar(require("@actions/exec"));
const tc = __importStar(require("@actions/tool-cache"));
const crypto = __importStar(require("crypto"));
const fs = __importStar(require("fs"));
const os = __importStar(require("os"));
const path = __importStar(require("path"));
@@ -35,6 +36,24 @@ const archMap = {
// Store information about the environment
const osPlat = os.platform(); // possible values: win32 (Windows), linux (Linux), darwin (macOS)
core.debug(`platform: ${osPlat}`);
/**
* @returns The SHA256 checksum of a given file.
*/
function calculateChecksum(file) {
return __awaiter(this, void 0, void 0, function* () {
const hash = crypto.createHash('sha256');
const input = fs.createReadStream(file);
return new Promise((resolve, reject) => {
input.on('data', (chunk) => {
hash.update(chunk);
});
input.on('end', () => {
const digest = hash.digest('hex');
digest ? resolve(digest) : reject(new Error(`Could not calculate checksum of file ${file}: digest was empty.`));
});
});
});
}
/**
* @returns The content of the downloaded versions.json file as object.
*/
@@ -99,27 +118,45 @@ function getNightlyFileName(arch) {
}
return `julia-latest${versionExt}.${ext}`;
}
function getDownloadURL(versionInfo, version, arch) {
function getFileInfo(versionInfo, version, arch) {
if (version == 'nightly') {
return null;
}
for (let file of versionInfo[version].files) {
if (file.os == osMap[osPlat] && file.arch == archMap[arch]) {
return file;
}
}
throw `Could not find ${archMap[arch]}/${version} binaries`;
}
exports.getFileInfo = getFileInfo;
function getDownloadURL(fileInfo, version, arch) {
// nightlies
if (version == 'nightly') {
const baseURL = 'https://julialangnightlies-s3.julialang.org/bin';
return `${baseURL}/${osMap[osPlat]}/${arch}/${getNightlyFileName(arch)}`;
}
for (let file of versionInfo[version].files) {
if (file.os == osMap[osPlat] && file.arch == archMap[arch]) {
core.debug(file);
return file.url;
}
}
throw `Could not find ${archMap[arch]}/${version} binaries`;
return fileInfo.url;
}
exports.getDownloadURL = getDownloadURL;
function installJulia(versionInfo, version, arch) {
return __awaiter(this, void 0, void 0, function* () {
// Download Julia
const downloadURL = getDownloadURL(versionInfo, version, arch);
const fileInfo = getFileInfo(versionInfo, version, arch);
const downloadURL = getDownloadURL(fileInfo, version, arch);
core.debug(`downloading Julia from ${downloadURL}`);
const juliaDownloadPath = yield tc.downloadTool(downloadURL);
// Verify checksum
if (version != 'nightly') {
const checkSum = yield calculateChecksum(juliaDownloadPath);
if (fileInfo.sha256 != checkSum) {
throw new Error(`Checksum of downloaded file does not match the expected checksum from versions.json.\nExpected: ${fileInfo.sha256}\nGot: ${checkSum}`);
}
core.debug(`Checksum of downloaded file matches expected checksum: ${checkSum}`);
}
else {
core.debug('Skipping checksum check for nightly binaries.');
}
const tempInstallDir = fs.mkdtempSync(`julia-${arch}-${version}-`);
// Install it
switch (osPlat) {