logging.js
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"use strict";
var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault");
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.patchLogger = patchLogger;
exports.getLogger = getLogger;
exports.loadSecureValuesPreprocessingRules = loadSecureValuesPreprocessingRules;
exports.default = exports.log = void 0;
require("source-map-support/register");
var _npmlog = _interopRequireDefault(require("npmlog"));
var _lodash = _interopRequireDefault(require("lodash"));
var _util = require("./util");
var _moment = _interopRequireDefault(require("moment"));
var _logInternal = _interopRequireDefault(require("./log-internal"));
const NPM_LEVELS = ['silly', 'verbose', 'debug', 'info', 'http', 'warn', 'error'];
const MAX_LOG_RECORDS_COUNT = 3000;
const PREFIX_TIMESTAMP_FORMAT = 'HH-mm-ss:SSS';
let mockLog = {};
for (let level of NPM_LEVELS) {
mockLog[level] = () => {};
}
function patchLogger(logger) {
if (!logger.debug) {
logger.addLevel('debug', 1000, {
fg: 'blue',
bg: 'black'
}, 'dbug');
}
}
function _getLogger() {
const testingMode = parseInt(process.env._TESTING, 10) === 1;
const forceLogMode = parseInt(process.env._FORCE_LOGS, 10) === 1;
const usingGlobalLog = !!global._global_npmlog;
let logger;
if (testingMode && !forceLogMode) {
logger = mockLog;
} else {
logger = global._global_npmlog || _npmlog.default;
logger.maxRecordSize = MAX_LOG_RECORDS_COUNT;
}
patchLogger(logger);
return [logger, usingGlobalLog];
}
function getActualPrefix(prefix, logTimestamp = false) {
let actualPrefix = _lodash.default.isFunction(prefix) ? prefix() : prefix;
if (logTimestamp) {
actualPrefix = `[${(0, _moment.default)().format(PREFIX_TIMESTAMP_FORMAT)}] ${actualPrefix}`;
}
return actualPrefix;
}
function getLogger(prefix = null) {
let [logger, usingGlobalLog] = _getLogger();
let wrappedLogger = {
unwrap: () => logger
};
Object.defineProperty(wrappedLogger, 'level', {
get() {
return logger.level;
},
set(newValue) {
logger.level = newValue;
},
enumerable: true,
configurable: true
});
const logTimestamp = parseInt(process.env._LOG_TIMESTAMP, 10) === 1;
for (const level of NPM_LEVELS) {
wrappedLogger[level] = function (...args) {
const actualPrefix = getActualPrefix(prefix, logTimestamp);
for (const arg of args) {
const out = _lodash.default.isError(arg) && arg.stack ? arg.stack : `${arg}`;
for (const line of out.split('\n')) {
const unleakedLine = (0, _util.unleakString)(line);
logger[level](actualPrefix, _logInternal.default.preprocess(unleakedLine));
}
}
};
}
wrappedLogger.errorAndThrow = function (err) {
this.error(err);
throw _lodash.default.isError(err) ? err : new Error((0, _util.unleakString)(err));
};
if (!usingGlobalLog) {
wrappedLogger.level = 'verbose';
}
wrappedLogger.levels = NPM_LEVELS;
return wrappedLogger;
}
async function loadSecureValuesPreprocessingRules(rulesJsonPath) {
const issues = await _logInternal.default.loadRules(rulesJsonPath);
return {
issues,
rules: _lodash.default.cloneDeep(_logInternal.default.rules)
};
}
const log = getLogger();
exports.log = log;
var _default = log;
exports.default = _default;require('source-map-support').install();
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npmlog from 'npmlog';\nimport _ from 'lodash';\nimport { unleakString } from './util';\nimport moment from 'moment';\nimport SECURE_VALUES_PREPROCESSOR from './log-internal';\n\n// levels that are available from `npmlog`\nconst NPM_LEVELS = ['silly', 'verbose', 'debug', 'info', 'http', 'warn', 'error'];\nconst MAX_LOG_RECORDS_COUNT = 3000;\n\nconst PREFIX_TIMESTAMP_FORMAT = 'HH-mm-ss:SSS';\n\n// mock log object used in testing mode\nlet mockLog = {};\nfor (let level of NPM_LEVELS) {\n  mockLog[level] = () => {};\n}\n\nfunction patchLogger (logger) {\n  if (!logger.debug) {\n    logger.addLevel('debug', 1000, { fg: 'blue', bg: 'black' }, 'dbug');\n  }\n}\n\nfunction _getLogger () {\n  // check if the user set the `_TESTING` or `_FORCE_LOGS` flag\n  const testingMode = parseInt(process.env._TESTING, 10) === 1;\n  const forceLogMode = parseInt(process.env._FORCE_LOGS, 10) === 1;\n\n  // if is possible that there is a logger instance that is already around,\n  // in which case we want t o use that\n  const usingGlobalLog = !!global._global_npmlog;\n  let logger;\n  if (testingMode && !forceLogMode) {\n    // in testing mode, use a mock logger object that we can query\n    logger = mockLog;\n  } else {\n    // otherwise, either use the global, or a new `npmlog` object\n    logger = global._global_npmlog || npmlog;\n    // The default value is 10000, which causes excessive memory usage\n    logger.maxRecordSize = MAX_LOG_RECORDS_COUNT;\n  }\n  patchLogger(logger);\n  return [logger, usingGlobalLog];\n}\n\nfunction getActualPrefix (prefix, logTimestamp = false) {\n  let actualPrefix = _.isFunction(prefix) ? prefix() : prefix;\n  if (logTimestamp) {\n    actualPrefix = `[${moment().format(PREFIX_TIMESTAMP_FORMAT)}] ${actualPrefix}`;\n  }\n  return actualPrefix;\n}\n\nfunction getLogger (prefix = null) {\n  let [logger, usingGlobalLog] = _getLogger();\n\n  // wrap the logger so that we can catch and modify any logging\n  let wrappedLogger = {unwrap: () => logger};\n\n  // allow access to the level of the underlying logger\n  Object.defineProperty(wrappedLogger, 'level', {\n    get () {\n      return logger.level;\n    },\n    set (newValue) {\n      logger.level = newValue;\n    },\n    enumerable: true,\n    configurable: true\n  });\n\n  const logTimestamp = parseInt(process.env._LOG_TIMESTAMP, 10) === 1;\n\n  // add all the levels from `npmlog`, and map to the underlying logger\n  for (const level of NPM_LEVELS) {\n    wrappedLogger[level] = function (...args) {\n      const actualPrefix = getActualPrefix(prefix, logTimestamp);\n      for (const arg of args) {\n        const out = (_.isError(arg) && arg.stack) ? arg.stack : `${arg}`;\n        for (const line of out.split('\\n')) {\n          // it is necessary to unleak each line because `split` call\n          // creates \"views\" to the original string as well as the `substring` one\n          const unleakedLine = unleakString(line);\n          logger[level](actualPrefix, SECURE_VALUES_PREPROCESSOR.preprocess(unleakedLine));\n        }\n      }\n    };\n  }\n  // add method to log an error, and throw it, for convenience\n  wrappedLogger.errorAndThrow = function (err) {\n    this.error(err);\n    // make sure we have an `Error` object. Wrap if necessary\n    throw (_.isError(err) ? err : new Error(unleakString(err)));\n  };\n  if (!usingGlobalLog) {\n    // if we're not using a global log specified from some top-level package,\n    // set the log level to a default of verbose. Otherwise, let the top-level\n    // package set the log level\n    wrappedLogger.level = 'verbose';\n  }\n  wrappedLogger.levels = NPM_LEVELS;\n  return wrappedLogger;\n}\n\n/**\n * @typedef {Object} LoadResult\n * @property {List<string>} issues The list of rule parsing issues (one item per rule).\n * Rules with issues are skipped. An empty list is returned if no parsing issues exist.\n * @property {List<SecureValuePreprocessingRule>} rules The list of successfully loaded\n * replacement rules. The list could be empty if no rules were loaded.\n */\n\n/**\n * Loads the JSON file containing secure values replacement rules.\n * This might be necessary to hide sensitive values that may possibly\n * appear in Appium logs.\n * Each call to this method replaces the previously loaded rules if any existed.\n *\n * @param {string} rulesJsonPath The full path to the JSON file containing\n * the replacement rules. Each rule could either be a string to be replaced\n * or an object with predefined properties. See the `Rule` type definition in\n * `log-internals.js` to get more details on its format.\n * @throws {Error} If the given file cannot be loaded\n * @returns {LoadResult}\n */\nasync function loadSecureValuesPreprocessingRules (rulesJsonPath) {\n  const issues = await SECURE_VALUES_PREPROCESSOR.loadRules(rulesJsonPath);\n  return {\n    issues,\n    rules: _.cloneDeep(SECURE_VALUES_PREPROCESSOR.rules),\n  };\n}\n\n// export a default logger with no prefix\nconst log = getLogger();\n\nexport { log, patchLogger, getLogger, loadSecureValuesPreprocessingRules };\nexport default log;\n"],"file":"lib/logging.js","sourceRoot":"../.."}