Lyndon Jetten
fda2c306b5
FaC: Das alte Flag von Terminen, die in die Zeiterfassung übernommen worden sind, wird ebenfalls berücksichtigt.
112 lines
2.6 KiB
JavaScript
112 lines
2.6 KiB
JavaScript
// inspired by https://github.com/raszi/node-tmp, but only
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// provides tmp paths.
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var
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fs = require('fs'),
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path = require('path'),
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os = require('os'),
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utils = require('./utils');
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function _isUndefined(obj) {
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return typeof obj === 'undefined';
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}
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function _parseArguments() {
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var fargs = utils.varargs(arguments);
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var callback = fargs.callback;
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var options = fargs.all[0];
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return [ options, callback ];
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}
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/**
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* Gets the temp directory.
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*
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* @return {String}
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* @api private
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*/
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function _getTMPDir() {
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var tmpNames = [ 'TMPDIR', 'TMP', 'TEMP' ];
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for (var i = 0, length = tmpNames.length; i < length; i++) {
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if (_isUndefined(process.env[tmpNames[i]])) { continue; }
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return process.env[tmpNames[i]];
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}
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// fallback to the default
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return '/tmp';
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}
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var
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exists = fs.exists || path.exists,
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tmpDir = os.tmpdir || os.tmpDir || _getTMPDir,
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_TMP = tmpDir(),
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randomChars = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXTZabcdefghiklmnopqrstuvwxyz",
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randomCharsLength = randomChars.length;
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/**
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* Gets a temporary file name.
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*
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* @param {Object} opts
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* @param {Function} cb
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* @api private
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*/
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function _getTmpName(options, callback) {
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var
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args = _parseArguments(options, callback),
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opts = args[0],
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cb = args[1],
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template = opts.template,
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templateDefined = !_isUndefined(template),
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tries = opts.tries || 3;
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if (isNaN(tries) || tries < 0)
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{ return cb(new Error('Invalid tries')); }
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if (templateDefined && !template.match(/XXXXXX/))
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{ return cb(new Error('Invalid template provided')); }
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function _getName() {
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// prefix and postfix
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if (!templateDefined) {
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var name = [
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(_isUndefined(opts.prefix)) ? 'tmp-' : opts.prefix,
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process.pid,
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(Math.random() * 0x1000000000).toString(36),
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opts.postfix
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].join('');
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return path.join(opts.dir || _TMP, name);
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}
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// mkstemps like template
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var chars = [];
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for (var i = 0; i < 6; i++) {
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chars.push(randomChars.substr(Math.floor(Math.random() * randomCharsLength), 1));
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}
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return template.replace(/XXXXXX/, chars.join(''));
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}
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(function _getUniqueName() {
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var name = _getName();
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// check whether the path exists then retry if needed
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exists(name, function _pathExists(pathExists) {
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if (pathExists) {
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if (tries-- > 0) { return _getUniqueName(); }
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return cb(new Error('Could not get a unique tmp filename, max tries reached'));
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}
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cb(null, name);
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});
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}());
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}
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// exporting all the needed methods
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module.exports.tmpdir = _TMP;
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module.exports.tmpName = _getTmpName;
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