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68 lines
2.3 KiB
68 lines
2.3 KiB
const crypto = require('crypto');
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const iv = Buffer.from('0102030405060708');
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const presetKey = Buffer.from('0CoJUm6Qyw8W8jud');
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const linuxapiKey = Buffer.from('rFgB&h#%2?^eDg:Q');
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const base62 = 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789';
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const publicKey =
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'-----BEGIN PUBLIC KEY-----\nMIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDgtQn2JZ34ZC28NWYpAUd98iZ37BUrX/aKzmFbt7clFSs6sXqHauqKWqdtLkF2KexO40H1YTX8z2lSgBBOAxLsvaklV8k4cBFK9snQXE9/DDaFt6Rr7iVZMldczhC0JNgTz+SHXT6CBHuX3e9SdB1Ua44oncaTWz7OBGLbCiK45wIDAQAB\n-----END PUBLIC KEY-----';
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const eapiKey = 'e82ckenh8dichen8';
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const aesEncrypt = (buffer, mode, key, iv) => {
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const cipher = crypto.createCipheriv('aes-128-' + mode, key, iv);
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return Buffer.concat([cipher.update(buffer), cipher.final()]);
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};
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const rsaEncrypt = (buffer, key) => {
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buffer = Buffer.concat([Buffer.alloc(128 - buffer.length), buffer]);
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return crypto.publicEncrypt(
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{ key: key, padding: crypto.constants.RSA_NO_PADDING },
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buffer,
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);
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};
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const weapi = (object) => {
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const text = JSON.stringify(object);
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const secretKey = crypto
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.randomBytes(16)
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.map((n) => base62.charAt(n % 62).charCodeAt());
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return {
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params: aesEncrypt(
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Buffer.from(
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aesEncrypt(Buffer.from(text), 'cbc', presetKey, iv).toString('base64'),
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),
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'cbc',
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secretKey,
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iv,
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).toString('base64'),
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encSecKey: rsaEncrypt(secretKey.reverse(), publicKey).toString('hex'),
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};
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};
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const linuxapi = (object) => {
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const text = JSON.stringify(object);
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return {
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eparams: aesEncrypt(Buffer.from(text), 'ecb', linuxapiKey, '')
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.toString('hex')
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.toUpperCase(),
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};
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};
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const eapi = (url, object) => {
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const text = typeof object === 'object' ? JSON.stringify(object) : object;
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const message = `nobody${url}use${text}md5forencrypt`;
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const digest = crypto.createHash('md5').update(message).digest('hex');
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const data = `${url}-36cd479b6b5-${text}-36cd479b6b5-${digest}`;
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return {
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params: aesEncrypt(Buffer.from(data), 'ecb', eapiKey, '')
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.toString('hex')
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.toUpperCase(),
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};
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};
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const decrypt = (cipherBuffer) => {
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const decipher = crypto.createDecipheriv('aes-128-ecb', eapiKey, '');
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return Buffer.concat([decipher.update(cipherBuffer), decipher.final()]);
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};
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module.exports = { weapi, linuxapi, eapi, decrypt };
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