File size: 5,003 Bytes
f0743f4 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 | const { encryptV3 } = require('@librechat/api');
const { logger } = require('@librechat/data-schemas');
const {
verifyTOTP,
getTOTPSecret,
verifyBackupCode,
generateTOTPSecret,
generateBackupCodes,
} = require('~/server/services/twoFactorService');
const { getUserById, updateUser } = require('~/models');
const safeAppTitle = (process.env.APP_TITLE || 'LibreChat').replace(/\s+/g, '');
/**
* Enable 2FA for the user by generating a new TOTP secret and backup codes.
* The secret is encrypted and stored, and 2FA is marked as disabled until confirmed.
*/
const enable2FA = async (req, res) => {
try {
const userId = req.user.id;
const secret = generateTOTPSecret();
const { plainCodes, codeObjects } = await generateBackupCodes();
// Encrypt the secret with v3 encryption before saving.
const encryptedSecret = encryptV3(secret);
// Update the user record: store the secret & backup codes and set twoFactorEnabled to false.
const user = await updateUser(userId, {
totpSecret: encryptedSecret,
backupCodes: codeObjects,
twoFactorEnabled: false,
});
const otpauthUrl = `otpauth://totp/${safeAppTitle}:${user.email}?secret=${secret}&issuer=${safeAppTitle}`;
return res.status(200).json({ otpauthUrl, backupCodes: plainCodes });
} catch (err) {
logger.error('[enable2FA]', err);
return res.status(500).json({ message: err.message });
}
};
/**
* Verify a 2FA code (either TOTP or backup code) during setup.
*/
const verify2FA = async (req, res) => {
try {
const userId = req.user.id;
const { token, backupCode } = req.body;
const user = await getUserById(userId, '_id totpSecret backupCodes');
if (!user || !user.totpSecret) {
return res.status(400).json({ message: '2FA not initiated' });
}
const secret = await getTOTPSecret(user.totpSecret);
let isVerified = false;
if (token) {
isVerified = await verifyTOTP(secret, token);
} else if (backupCode) {
isVerified = await verifyBackupCode({ user, backupCode });
}
if (isVerified) {
return res.status(200).json();
}
return res.status(400).json({ message: 'Invalid token or backup code.' });
} catch (err) {
logger.error('[verify2FA]', err);
return res.status(500).json({ message: err.message });
}
};
/**
* Confirm and enable 2FA after a successful verification.
*/
const confirm2FA = async (req, res) => {
try {
const userId = req.user.id;
const { token } = req.body;
const user = await getUserById(userId, '_id totpSecret');
if (!user || !user.totpSecret) {
return res.status(400).json({ message: '2FA not initiated' });
}
const secret = await getTOTPSecret(user.totpSecret);
if (await verifyTOTP(secret, token)) {
await updateUser(userId, { twoFactorEnabled: true });
return res.status(200).json();
}
return res.status(400).json({ message: 'Invalid token.' });
} catch (err) {
logger.error('[confirm2FA]', err);
return res.status(500).json({ message: err.message });
}
};
/**
* Disable 2FA by clearing the stored secret and backup codes.
* Requires verification with either TOTP token or backup code if 2FA is fully enabled.
*/
const disable2FA = async (req, res) => {
try {
const userId = req.user.id;
const { token, backupCode } = req.body;
const user = await getUserById(userId, '_id totpSecret backupCodes');
if (!user || !user.totpSecret) {
return res.status(400).json({ message: '2FA is not setup for this user' });
}
if (user.twoFactorEnabled) {
const secret = await getTOTPSecret(user.totpSecret);
let isVerified = false;
if (token) {
isVerified = await verifyTOTP(secret, token);
} else if (backupCode) {
isVerified = await verifyBackupCode({ user, backupCode });
} else {
return res
.status(400)
.json({ message: 'Either token or backup code is required to disable 2FA' });
}
if (!isVerified) {
return res.status(401).json({ message: 'Invalid token or backup code' });
}
}
await updateUser(userId, { totpSecret: null, backupCodes: [], twoFactorEnabled: false });
return res.status(200).json();
} catch (err) {
logger.error('[disable2FA]', err);
return res.status(500).json({ message: err.message });
}
};
/**
* Regenerate backup codes for the user.
*/
const regenerateBackupCodes = async (req, res) => {
try {
const userId = req.user.id;
const { plainCodes, codeObjects } = await generateBackupCodes();
await updateUser(userId, { backupCodes: codeObjects });
return res.status(200).json({
backupCodes: plainCodes,
backupCodesHash: codeObjects,
});
} catch (err) {
logger.error('[regenerateBackupCodes]', err);
return res.status(500).json({ message: err.message });
}
};
module.exports = {
enable2FA,
verify2FA,
confirm2FA,
disable2FA,
regenerateBackupCodes,
};
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