handle enter keypress register/login

src/public/register.js

@@ -0,0 +1,89 @@
+const currentUrl = window.location.href;
+import { ab2str, exportedKeyToPem, pemToKey, genKey } from "./ecc.js";
+
+export async function registerConfirm() {
+    const apiUrl = `${currentUrl}account/register`;
+    const inputFieldSharedSecret = document.getElementById("sharedsecret");
+    const inputFieldPublicKey = document.getElementById("publickey");
+    let pubkey = null;
+    if (!inputFieldPublicKey.value) {
+        const { privateKey, publicKey } = await genKey();
+        pubkey = exportedKeyToPem(publicKey, "public");
+        document.getElementById("registerPopupText").innerText = exportedKeyToPem(privateKey, "private");
+    } else {
+        pubkey = inputFieldPublicKey.value;
+    }
+    const postData = {
+        sharedSecret: inputFieldSharedSecret.value,
+        publicKey: pubkey
+    };
+    // clear input fields
+    inputFieldSharedSecret.value='';
+    inputFieldPublicKey.value='';
+
+    const requestOptions = {
+        method: 'POST',
+        headers: {
+            'Content-Type': 'application/json',
+        },
+        body: JSON.stringify(postData)
+    };
+    const response = await fetch(apiUrl, requestOptions)
+        .catch(error => {
+        console.error('Error during POST request:', error);
+    });
+
+    if (response.ok) {
+        console.log(response);
+    } else {
+        document.getElementById("registerPopupText").innerText = "Registration failed. Please try again.";
+        console.error('Error in server response.', response);
+    }
+}
+
+export async function loginConfirm() {
+    const apiUrl = `${currentUrl}account/login`;
+    const inputFieldPrivateKey = document.getElementById("privatekey");
+    const response = await fetch(apiUrl, { method: 'GET' });
+    if (!response.ok) {
+        throw new Error('Failed to fetch challenge');
+    }
+    const { challenge } = await response.json();
+    console.log("Received challenge:", challenge);
+
+    let privKey = await pemToKey(inputFieldPrivateKey.value, "private");
+
+    const encoder = new TextEncoder();
+    let encodedData = encoder.encode(challenge);
+
+    // Sign the data using the private key.
+    const signature = await crypto.subtle.sign(
+        {
+            name: "Ed25519",
+        },
+        privKey,
+        encodedData,
+    );
+    let signatureString = ab2str(signature);
+    let signatureBase64 = window.btoa(signatureString);
+
+    const verifyApiUrl = `${currentUrl}account/verify-challenge`;
+    const verifyResponse = await fetch(verifyApiUrl, {
+        method: 'POST',
+        headers: {
+            'Content-Type': 'application/json'
+        },
+        body: JSON.stringify({
+            signature: signatureBase64
+        })
+    });
+
+    if (!verifyResponse.ok) {
+        throw new Error('Failed to verify the challenge');
+    } else {
+        const verifyResult = await verifyResponse.json();
+        console.log("Verification result:", verifyResult);
+        inputFieldPrivateKey.value = '';
+        location.reload();
+    }
+}