jschan - Anonymous imageboard software. Classic look, modern features and feel. Works without JavaScript and supports Tor, I2P, Lokinet, etc.
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'use strict';
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const { tripcodeSecret } = require(__dirname+'/../../configs/main.js')
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, { createHash } = require('crypto')
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, { encode } = require('iconv-lite')
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, crypt = require('unix-crypt-td-js')
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, replace = {
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':': 'A',
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';': 'B',
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'<': 'C',
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'=': 'D',
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'>': 'E',
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'?': 'F',
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'@': 'G',
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'[': 'a',
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'\\': 'b',
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']': 'c',
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'^': 'd',
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'_': 'e',
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'`': 'f',
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};
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module.exports = {
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getSecureTrip: async (password) => {
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const tripcodeHash = createHash('sha256').update(password + tripcodeSecret).digest('base64');
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const tripcode = tripcodeHash.substring(tripcodeHash.length-10);
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return tripcode;
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},
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getInsecureTrip: (password) => {
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const encoded = encode(password, 'SHIFT_JIS')
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.toString('latin1');
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let salt = `${encoded}H..`
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.substring(1, 3)
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.replace(/[^.-z]/g, '.');
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for (let find in replace) {
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salt = salt.split(find).join(replace[find]);
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}
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const hashed = crypt(encoded, salt);
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return hashed.slice(-10);
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},
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}
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