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Improve encrypt/decrypt flow #125

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Improve encrypt/decrypt flow #125

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39 changes: 28 additions & 11 deletions src/index.html
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Expand Up @@ -258,12 +258,17 @@ <h4 class="card-title">
<button
class="btn btn-primary btn-lg btn-block mb-3"
id="getEncryptionKeyButton"
disabled
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Why was this removed? The intention was to have all of the buttons that rely upon an account being connected to start as disabled until we know whether something is connected or not.

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The same goes for the "decrypt" button.

>
Get Encryption Key
Get Public Encryption Key
</button>

<p class="info-text alert alert-secondary">
Public Encryption key: <span id="encryptionKeyDisplay"></span>
</p>
<hr />
<h5 class="card-title">
Encrypt
</h5>

<div id="encrypt-message-form">
<input
Expand All @@ -272,33 +277,45 @@ <h4 class="card-title">
placeholder="Message to encrypt"
id="encryptMessageInput"
/>
<input
class="form-control"
type="text"
placeholder="Recipient's Public Encryption Key"
id="publicKeyInput"
/>

<button
class="btn btn-primary btn-lg btn-block mb-3"
id="encryptButton"
disabled
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Similarly, this one was meant to be disabled until we have a public encryption key to encrypt with.

>
Encrypt
</button>

<p class="info-text alert alert-secondary">
Ciphertext: <span id="ciphertextDisplay"></span>
</p>
</div>

<hr />
<h5 class="card-title">
Decrypt
</h5>


<input
class="form-control"
type="text"
placeholder="Encrypted Message"
id="encryptedMessageInput"
/>

<button
class="btn btn-primary btn-lg btn-block mb-3"
id="decryptButton"
disabled
>
Decrypt
</button>

<p class="info-text alert alert-secondary">
Encryption key: <span id="encryptionKeyDisplay"></span>
</p>

<p class="info-text text-truncate alert alert-secondary">
Ciphertext: <span id="ciphertextDisplay"></span>
</p>

<p class="info-text alert alert-secondary">
Cleartext: <span id="cleartextDisplay"></span>
Expand Down
27 changes: 9 additions & 18 deletions src/index.js
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Expand Up @@ -6,6 +6,7 @@ import {
recoverTypedSignatureLegacy,
recoverTypedSignature,
recoverTypedSignature_v4 as recoverTypedSignatureV4,
decrypt,
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This line is causing the linter to fail

} from 'eth-sig-util';
import { ethers } from 'ethers';
import { toChecksumAddress } from 'ethereumjs-util';
Expand Down Expand Up @@ -69,6 +70,8 @@ const getEncryptionKeyButton = document.getElementById(
'getEncryptionKeyButton',
);
const encryptMessageInput = document.getElementById('encryptMessageInput');
const publicKeyInput = document.getElementById('publicKeyInput');
const encryptedMessageInput = document.getElementById('encryptedMessageInput');
const encryptButton = document.getElementById('encryptButton');
const decryptButton = document.getElementById('decryptButton');
const encryptionKeyDisplay = document.getElementById('encryptionKeyDisplay');
Expand Down Expand Up @@ -204,17 +207,21 @@ const initialize = async () => {
createToken.disabled = false;
personalSign.disabled = false;
signTypedData.disabled = false;
getEncryptionKeyButton.disabled = false;
ethSign.disabled = false;
personalSign.disabled = false;
signTypedData.disabled = false;
signTypedDataV3.disabled = false;
signTypedDataV4.disabled = false;
getEncryptionKeyButton.disabled = false;
encryptButton.disabled = false;
decryptButton.disabled = false;
}

if (isMetaMaskInstalled()) {
addEthereumChain.disabled = false;
switchEthereumChain.disabled = false;
encryptMessageInput.disabled = false;
encryptedMessageInput.disabled = false;
} else {
onboardButton.innerText = 'Click here to install MetaMask!';
onboardButton.onclick = onClickInstall;
Expand Down Expand Up @@ -511,32 +518,17 @@ const initialize = async () => {
}
};

encryptMessageInput.onkeyup = () => {
if (
!getEncryptionKeyButton.disabled &&
encryptMessageInput.value.length > 0
) {
if (encryptButton.disabled) {
encryptButton.disabled = false;
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Was this deleted to allow encrypting an empty message? I'm not sure why that was disallowed to being with 🤔 Does that work?

}
} else if (!encryptButton.disabled) {
encryptButton.disabled = true;
}
};

encryptButton.onclick = () => {
try {
ciphertextDisplay.innerText = stringifiableToHex(
encrypt(
encryptionKeyDisplay.innerText,
publicKeyInput.value,
{ data: encryptMessageInput.value },
'x25519-xsalsa20-poly1305',
),
);
decryptButton.disabled = false;
} catch (error) {
ciphertextDisplay.innerText = `Error: ${error.message}`;
decryptButton.disabled = true;
}
};

Expand Down Expand Up @@ -585,7 +577,6 @@ const initialize = async () => {
params: [msg, from, 'Example password'],
});
personalSignResult.innerHTML = sign;
personalSignVerify.disabled = false;
} catch (err) {
console.error(err);
personalSign.innerHTML = `Error: ${err.message}`;
Expand Down