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57 lines
1.4 KiB
57 lines
1.4 KiB
4 years ago
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'use strict';
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/**
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* Parse the content of a passwd file into a list of user objects.
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* This function ignores blank lines and comments.
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*
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* ```js
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* // assuming '/etc/passwd' contains:
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* // doowb:*:123:123:Brian Woodward:/Users/doowb:/bin/bash
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* console.log(parse(fs.readFileSync('/etc/passwd', 'utf8')));
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*
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* //=> [
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* //=> {
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* //=> username: 'doowb',
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* //=> password: '*',
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* //=> uid: '123',
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* //=> gid: '123',
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* //=> gecos: 'Brian Woodward',
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* //=> homedir: '/Users/doowb',
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* //=> shell: '/bin/bash'
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* //=> }
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* //=> ]
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* ```
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* @param {String} `content` Content of a passwd file to parse.
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* @return {Array} Array of user objects parsed from the content.
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* @api public
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*/
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module.exports = function(content) {
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if (typeof content !== 'string') {
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throw new Error('expected a string');
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}
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return content
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.split('\n')
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.map(user)
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.filter(Boolean);
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};
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function user(line, i) {
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if (!line || !line.length || line.charAt(0) === '#') {
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return null;
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}
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// see https://en.wikipedia.org/wiki/Passwd for field descriptions
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var fields = line.split(':');
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return {
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username: fields[0],
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password: fields[1],
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uid: fields[2],
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gid: fields[3],
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// see https://en.wikipedia.org/wiki/Gecos_field for GECOS field descriptions
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gecos: fields[4],
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homedir: fields[5],
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shell: fields[6]
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};
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}
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