Support only external Ethereum auth for now

app/soapbox/utils/ethereum.js

@@ -0,0 +1,26 @@
+export const ethereum = () => window.ethereum;
+
+export const hasEthereum = () => Boolean(ethereum());
+
+// Requests an Ethereum wallet from the browser
+// Returns a Promise containing the Ethereum wallet address (string).
+export const getWallet = () => {
+  return ethereum().request({ method: 'eth_requestAccounts' })
+    .then(wallets => wallets[0]);
+};
+
+// Asks the browser to sign a message with Ethereum.
+// Returns a Promise containing the signature (string).
+export const signMessage = (wallet, message) => {
+  return ethereum().request({ method: 'personal_sign', params: [message, wallet] });
+};
+
+// Combines the above functions.
+// Returns an object with the `wallet` and `signature`
+export const getWalletAndSign = message => {
+  return getWallet().then(wallet => {
+    return signMessage(wallet, message).then(signature => {
+      return { wallet, signature };
+    });
+  });
+};

app/soapbox/utils/quirks.js

@@ -8,7 +8,8 @@ export const getQuirks = createSelector([
 ], (v) => {
   return {
     invertedPagination: v.software === PLEROMA,
-    ethereumLoginOnly: v.software === MITRA,
+    noApps: v.software === MITRA,
+    noOAuthForm: v.software === MITRA,
   };
 });