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created custom encrypt and decrypt function #19

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created custom encrypt and decrypt function #19

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118 changes: 79 additions & 39 deletions server/routes/download.js
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Original file line number Diff line number Diff line change
Expand Up @@ -6,6 +6,8 @@ const User = require('../models/user')
const { create } = require("ipfs-http-client");
const path = require('path')

const {decryptFile} = require('../utils/storzcrypt')

const magic = new Magic(process.env.MAGIC_SECRET_KEY);

const projectId = process.env.INFURA_PROJECT_ID;
Expand Down Expand Up @@ -111,47 +113,85 @@ router.get("/api/download/:cid", async (req, res) => {
const fileName = file.files[0].file_name;
const encryptedPath = '../server/encrypted/' + fileName;
const decryptedPath = '../server/public/' + fileName;
await getFile(cid, encryptedPath).then(async() => {
try {
jscrypt.decryptFile(
encryptedPath,
decryptedPath,
"aes256",
file.encryption_key,
655000,
(isDone) => {
if (isDone === true) {
console.log(fileName + ' is decrypted successfully!');
console.log("Sending files to the user");
//send the file to the client
res.sendFile(path.resolve(decryptedPath));

setTimeout(() => {
unlink(decryptedPath, (err) => {
if (err) {
console.log(err);
}
console.log(decryptedPath + ' is deleted!');
})

unlink(encryptedPath, (err) => {
if (err) {
console.log(err);
}
console.log(encryptedPath + ' is deleted!');
})
}, 2 * 60 * 1000)
}
else {
console.log("File decryption in progress...");
}

await getFile(cir, encryptedPath).then(async () => {
await decryptFile(
encryptedPath,
decryptedPath,
"aes256",
file.encryption_key,
655000,
(isDone) => {
if (isDone === true) {
console.log(fileName + ' is decrypted successfully!');
console.log("Sending files to the user");
//send the file to the client
res.sendFile(path.resolve(decryptedPath));

setTimeout(() => {
unlink(decryptedPath, (err) => {
if (err) {
console.log(err);
}
console.log(decryptedPath + ' is deleted!');
})

unlink(encryptedPath, (err) => {
if (err) {
console.log(err);
}
console.log(encryptedPath + ' is deleted!');
})
}, 2 * 60 * 1000)
}
)
} catch (err) {
console.log(err);
return res.status(500).json({ error: err.message });
}
else {
console.log("File decryption in progress...");
}
}
)
})

// await getFile(cid, encryptedPath).then(async() => {
// try {
// jscrypt.decryptFile(
// encryptedPath,
// decryptedPath,
// "aes256",
// file.encryption_key,
// 655000,
// (isDone) => {
// if (isDone === true) {
// console.log(fileName + ' is decrypted successfully!');
// console.log("Sending files to the user");
// //send the file to the client
// res.sendFile(path.resolve(decryptedPath));

// setTimeout(() => {
// unlink(decryptedPath, (err) => {
// if (err) {
// console.log(err);
// }
// console.log(decryptedPath + ' is deleted!');
// })

// unlink(encryptedPath, (err) => {
// if (err) {
// console.log(err);
// }
// console.log(encryptedPath + ' is deleted!');
// })
// }, 2 * 60 * 1000)
// }
// else {
// console.log("File decryption in progress...");
// }
// }
// )
// } catch (err) {
// console.log(err);
// return res.status(500).json({ error: err.message });
// }
// })
} else {
return res.status(200).sendFile("../private/hacker.png", { root: __dirname });
}
Expand Down
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