117 lines
3.3 KiB
JavaScript
Executable File
117 lines
3.3 KiB
JavaScript
Executable File
#!/usr/bin/env node
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(function() {
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var fs = require('fs');
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var utf8 = require('utf8');
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var quotedPrintable = require('../quoted-printable.js');
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var strings = process.argv.splice(2);
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var stdin = process.stdin;
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var data;
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var timeout;
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var action;
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var options = {};
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var log = console.log;
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var main = function() {
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var option = strings[0];
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var count = 0;
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if (/^(?:-h|--help|undefined)$/.test(option)) {
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log(
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'quoted-printable v%s - https://mths.be/quoted-printable',
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quotedPrintable.version
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);
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log([
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'\nEncode or decode messages using the `Quoted-Printable` encoding (and UTF-8).',
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'\nUsage:\n',
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'\tquoted-printable [-e | --encode] string',
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'\tquoted-printable [-d | --decode] string',
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'\tquoted-printable [-v | --version]',
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'\tquoted-printable [-h | --help]',
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'\nExamples:\n',
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'\tquoted-printable --encode \'foo = bar ©\'',
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'\techo \'foo =3D bar =C2=A9\' | quoted-printable --decode',
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].join('\n'));
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return process.exit(1);
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}
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if (/^(?:-v|--version)$/.test(option)) {
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log('v%s', quotedPrintable.version);
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return process.exit(1);
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}
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strings.forEach(function(string) {
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// Process options
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if (string == '-e' || string == '--encode') {
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action = 'encode';
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return;
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}
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if (string == '-d' || string == '--decode') {
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action = 'decode';
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return;
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}
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// Process string(s)
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var result;
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if (!action) {
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log('Error: quoted-printable requires at least one option and a string argument.');
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log('Try `quoted-printable --help` for more information.');
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return process.exit(1);
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}
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try {
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if (action == 'encode') {
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result = quotedPrintable.encode(utf8.encode(string, options));
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} else if (action == 'decode') {
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result = utf8.decode(quotedPrintable.decode(string, options));
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}
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log(result);
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count++;
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} catch (exception) {
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log(exception.message + '\n');
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log('Error: failed to %s.', action);
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log('If you think this is a bug in quoted-printable, please report it:');
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log('https://github.com/mathiasbynens/quoted-printable/issues/new');
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log('\nStack trace using quoted-printable@%s:\n', quotedPrintable.version);
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log(exception.stack);
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return process.exit(1);
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}
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});
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if (!count) {
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log('Error: quoted-printable requires a string argument.');
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log('Try `quoted-printable --help` for more information.');
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return process.exit(1);
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}
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// Return with exit status 0 outside of the `forEach` loop, in case
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// multiple strings were passed in.
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return process.exit(0);
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};
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if (stdin.isTTY) {
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// handle shell arguments
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main();
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} else {
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// Either the script is called from within a non-TTY context, or `stdin`
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// content is being piped in.
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if (!process.stdout.isTTY) {
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// The script was called from a non-TTY context. This is a rather uncommon
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// use case we don’t actively support. However, we don’t want the script
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// to wait forever in such cases, so…
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timeout = setTimeout(function() {
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// …if no piped data arrived after a whole minute, handle shell
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// arguments instead.
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main();
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}, 60000);
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}
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data = '';
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stdin.on('data', function(chunk) {
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clearTimeout(timeout);
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data += chunk;
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});
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stdin.on('end', function() {
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strings.push(data.trim());
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main();
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});
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stdin.resume();
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}
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}());
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