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Fix TypeError when invalid initialization vector #3416

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merged 1 commit into from
Feb 1, 2022
Merged

Fix TypeError when invalid initialization vector #3416

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13 changes: 12 additions & 1 deletion packages/@uppy/companion/src/server/helpers/utils.js
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Original file line number Diff line number Diff line change
Expand Up @@ -125,7 +125,18 @@ module.exports.decrypt = (encrypted, secret) => {

const iv = Buffer.from(encrypted.slice(0, 32), 'hex')
const encryptionWithoutIv = encrypted.slice(32)
const decipher = crypto.createDecipheriv('aes256', createSecret(secret), iv)

let decipher
try {
decipher = crypto.createDecipheriv('aes256', createSecret(secret), iv)
} catch (err) {
if (err.code === 'ERR_CRYPTO_INVALID_IV') {
throw new Error('Invalid initialization vector')
} else {
throw err
}
}

let decrypted = decipher.update(urlDecode(encryptionWithoutIv), 'base64', 'utf8')
decrypted += decipher.final('utf8')
return decrypted
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