utils.js

"use strict";
var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
    function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
    return new (P || (P = Promise))(function (resolve, reject) {
        function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
        function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
        function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }
        step((generator = generator.apply(thisArg, _arguments || [])).next());
    });
};
var __importDefault = (this && this.__importDefault) || function (mod) {
    return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.digestForStream = exports.sleep = exports.getProperRetention = exports.rmFile = exports.getFileSize = exports.createEmptyFilesForArtifact = exports.createDirectoriesForArtifact = exports.displayHttpDiagnostics = exports.getArtifactUrl = exports.createHttpClient = exports.getUploadHeaders = exports.getDownloadHeaders = exports.getContentRange = exports.tryGetRetryAfterValueTimeInMilliseconds = exports.isThrottledStatusCode = exports.isRetryableStatusCode = exports.isForbiddenStatusCode = exports.isSuccessStatusCode = exports.getApiVersion = exports.parseEnvNumber = exports.getExponentialRetryTimeInMilliseconds = void 0;
const crypto_1 = __importDefault(require("crypto"));
const fs_1 = require("fs");
const core_1 = require("@actions/core");
const http_client_1 = require("@actions/http-client");
const auth_1 = require("@actions/http-client/lib/auth");
const config_variables_1 = require("./config-variables");
const crc64_1 = __importDefault(require("./crc64"));
/**
 * Returns a retry time in milliseconds that exponentially gets larger
 * depending on the amount of retries that have been attempted
 */
function getExponentialRetryTimeInMilliseconds(retryCount) {
    if (retryCount < 0) {
        throw new Error('RetryCount should not be negative');
    }
    else if (retryCount === 0) {
        return config_variables_1.getInitialRetryIntervalInMilliseconds();
    }
    const minTime = config_variables_1.getInitialRetryIntervalInMilliseconds() * config_variables_1.getRetryMultiplier() * retryCount;
    const maxTime = minTime * config_variables_1.getRetryMultiplier();
    // returns a random number between the minTime (inclusive) and the maxTime (exclusive)
    return Math.trunc(Math.random() * (maxTime - minTime) + minTime);
}
exports.getExponentialRetryTimeInMilliseconds = getExponentialRetryTimeInMilliseconds;
/**
 * Parses a env variable that is a number
 */
function parseEnvNumber(key) {
    const value = Number(process.env[key]);
    if (Number.isNaN(value) || value < 0) {
        return undefined;
    }
    return value;
}
exports.parseEnvNumber = parseEnvNumber;
/**
 * Various utility functions to help with the necessary API calls
 */
function getApiVersion() {
    return '6.0-preview';
}
exports.getApiVersion = getApiVersion;
function isSuccessStatusCode(statusCode) {
    if (!statusCode) {
        return false;
    }
    return statusCode >= 200 && statusCode < 300;
}
exports.isSuccessStatusCode = isSuccessStatusCode;
function isForbiddenStatusCode(statusCode) {
    if (!statusCode) {
        return false;
    }
    return statusCode === http_client_1.HttpCodes.Forbidden;
}
exports.isForbiddenStatusCode = isForbiddenStatusCode;
function isRetryableStatusCode(statusCode) {
    if (!statusCode) {
        return false;
    }
    const retryableStatusCodes = [
        http_client_1.HttpCodes.BadGateway,
        http_client_1.HttpCodes.GatewayTimeout,
        http_client_1.HttpCodes.InternalServerError,
        http_client_1.HttpCodes.ServiceUnavailable,
        http_client_1.HttpCodes.TooManyRequests,
        413 // Payload Too Large
    ];
    return retryableStatusCodes.includes(statusCode);
}
exports.isRetryableStatusCode = isRetryableStatusCode;
function isThrottledStatusCode(statusCode) {
    if (!statusCode) {
        return false;
    }
    return statusCode === http_client_1.HttpCodes.TooManyRequests;
}
exports.isThrottledStatusCode = isThrottledStatusCode;
/**
 * Attempts to get the retry-after value from a set of http headers. The retry time
 * is originally denoted in seconds, so if present, it is converted to milliseconds
 * @param headers all the headers received when making an http call
 */
function tryGetRetryAfterValueTimeInMilliseconds(headers) {
    if (headers['retry-after']) {
        const retryTime = Number(headers['retry-after']);
        if (!isNaN(retryTime)) {
            core_1.info(`Retry-After header is present with a value of ${retryTime}`);
            return retryTime * 1000;
        }
        core_1.info(`Returned retry-after header value: ${retryTime} is non-numeric and cannot be used`);
        return undefined;
    }
    core_1.info(`No retry-after header was found. Dumping all headers for diagnostic purposes`);
    // eslint-disable-next-line no-console
    console.log(headers);
    return undefined;
}
exports.tryGetRetryAfterValueTimeInMilliseconds = tryGetRetryAfterValueTimeInMilliseconds;
function getContentRange(start, end, total) {
    // Format: `bytes start-end/fileSize
    // start and end are inclusive
    // For a 200 byte chunk starting at byte 0:
    // Content-Range: bytes 0-199/200
    return `bytes ${start}-${end}/${total}`;
}
exports.getContentRange = getContentRange;
/**
 * Sets all the necessary headers when downloading an artifact
 * @param {string} contentType the type of content being uploaded
 * @param {boolean} isKeepAlive is the same connection being used to make multiple calls
 * @param {boolean} acceptGzip can we accept a gzip encoded response
 * @param {string} acceptType the type of content that we can accept
 * @returns appropriate headers to make a specific http call during artifact download
 */
function getDownloadHeaders(contentType, isKeepAlive, acceptGzip) {
    const requestOptions = {};
    if (contentType) {
        requestOptions['Content-Type'] = contentType;
    }
    if (isKeepAlive) {
        requestOptions['Connection'] = 'Keep-Alive';
        // keep alive for at least 10 seconds before closing the connection
        requestOptions['Keep-Alive'] = '10';
    }
    if (acceptGzip) {
        // if we are expecting a response with gzip encoding, it should be using an octet-stream in the accept header
        requestOptions['Accept-Encoding'] = 'gzip';
        requestOptions['Accept'] = `application/octet-stream;api-version=${getApiVersion()}`;
    }
    else {
        // default to application/json if we are not working with gzip content
        requestOptions['Accept'] = `application/json;api-version=${getApiVersion()}`;
    }
    return requestOptions;
}
exports.getDownloadHeaders = getDownloadHeaders;
/**
 * Sets all the necessary headers when uploading an artifact
 * @param {string} contentType the type of content being uploaded
 * @param {boolean} isKeepAlive is the same connection being used to make multiple calls
 * @param {boolean} isGzip is the connection being used to upload GZip compressed content
 * @param {number} uncompressedLength the original size of the content if something is being uploaded that has been compressed
 * @param {number} contentLength the length of the content that is being uploaded
 * @param {string} contentRange the range of the content that is being uploaded
 * @returns appropriate headers to make a specific http call during artifact upload
 */
function getUploadHeaders(contentType, isKeepAlive, isGzip, uncompressedLength, contentLength, contentRange, digest) {
    const requestOptions = {};
    requestOptions['Accept'] = `application/json;api-version=${getApiVersion()}`;
    if (contentType) {
        requestOptions['Content-Type'] = contentType;
    }
    if (isKeepAlive) {
        requestOptions['Connection'] = 'Keep-Alive';
        // keep alive for at least 10 seconds before closing the connection
        requestOptions['Keep-Alive'] = '10';
    }
    if (isGzip) {
        requestOptions['Content-Encoding'] = 'gzip';
        requestOptions['x-tfs-filelength'] = uncompressedLength;
    }
    if (contentLength) {
        requestOptions['Content-Length'] = contentLength;
    }
    if (contentRange) {
        requestOptions['Content-Range'] = contentRange;
    }
    if (digest) {
        requestOptions['x-actions-results-crc64'] = digest.crc64;
        requestOptions['x-actions-results-md5'] = digest.md5;
    }
    return requestOptions;
}
exports.getUploadHeaders = getUploadHeaders;
function createHttpClient(userAgent) {
    return new http_client_1.HttpClient(userAgent, [
        new auth_1.BearerCredentialHandler(config_variables_1.getRuntimeToken())
    ]);
}
exports.createHttpClient = createHttpClient;
function getArtifactUrl() {
    const artifactUrl = `${config_variables_1.getRuntimeUrl()}_apis/pipelines/workflows/${config_variables_1.getWorkFlowRunId()}/artifacts?api-version=${getApiVersion()}`;
    core_1.debug(`Artifact Url: ${artifactUrl}`);
    return artifactUrl;
}
exports.getArtifactUrl = getArtifactUrl;
/**
 * Uh oh! Something might have gone wrong during either upload or download. The IHtttpClientResponse object contains information
 * about the http call that was made by the actions http client. This information might be useful to display for diagnostic purposes, but
 * this entire object is really big and most of the information is not really useful. This function takes the response object and displays only
 * the information that we want.
 *
 * Certain information such as the TLSSocket and the Readable state are not really useful for diagnostic purposes so they can be avoided.
 * Other information such as the headers, the response code and message might be useful, so this is displayed.
 */
function displayHttpDiagnostics(response) {
    core_1.info(`##### Begin Diagnostic HTTP information #####
Status Code: ${response.message.statusCode}
Status Message: ${response.message.statusMessage}
Header Information: ${JSON.stringify(response.message.headers, undefined, 2)}
###### End Diagnostic HTTP information ######`);
}
exports.displayHttpDiagnostics = displayHttpDiagnostics;
function createDirectoriesForArtifact(directories) {
    return __awaiter(this, void 0, void 0, function* () {
        for (const directory of directories) {
            yield fs_1.promises.mkdir(directory, {
                recursive: true
            });
        }
    });
}
exports.createDirectoriesForArtifact = createDirectoriesForArtifact;
function createEmptyFilesForArtifact(emptyFilesToCreate) {
    return __awaiter(this, void 0, void 0, function* () {
        for (const filePath of emptyFilesToCreate) {
            yield (yield fs_1.promises.open(filePath, 'w')).close();
        }
    });
}
exports.createEmptyFilesForArtifact = createEmptyFilesForArtifact;
function getFileSize(filePath) {
    return __awaiter(this, void 0, void 0, function* () {
        const stats = yield fs_1.promises.stat(filePath);
        core_1.debug(`${filePath} size:(${stats.size}) blksize:(${stats.blksize}) blocks:(${stats.blocks})`);
        return stats.size;
    });
}
exports.getFileSize = getFileSize;
function rmFile(filePath) {
    return __awaiter(this, void 0, void 0, function* () {
        yield fs_1.promises.unlink(filePath);
    });
}
exports.rmFile = rmFile;
function getProperRetention(retentionInput, retentionSetting) {
    if (retentionInput < 0) {
        throw new Error('Invalid retention, minimum value is 1.');
    }
    let retention = retentionInput;
    if (retentionSetting) {
        const maxRetention = parseInt(retentionSetting);
        if (!isNaN(maxRetention) && maxRetention < retention) {
            core_1.warning(`Retention days is greater than the max value allowed by the repository setting, reduce retention to ${maxRetention} days`);
            retention = maxRetention;
        }
    }
    return retention;
}
exports.getProperRetention = getProperRetention;
function sleep(milliseconds) {
    return __awaiter(this, void 0, void 0, function* () {
        return new Promise(resolve => setTimeout(resolve, milliseconds));
    });
}
exports.sleep = sleep;
function digestForStream(stream) {
    return __awaiter(this, void 0, void 0, function* () {
        return new Promise((resolve, reject) => {
            const crc64 = new crc64_1.default();
            const md5 = crypto_1.default.createHash('md5');
            stream
                .on('data', data => {
                crc64.update(data);
                md5.update(data);
            })
                .on('end', () => resolve({
                crc64: crc64.digest('base64'),
                md5: md5.digest('base64')
            }))
                .on('error', reject);
        });
    });
}
exports.digestForStream = digestForStream;
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