Add support for draft/account-registration

A new UI to register and verify accounts is added.

lib/client.js

@@ -17,6 +17,7 @@ const permanentCaps = [
 	"server-time",
 	"setname",
 
+	"draft/account-registration",
 	"draft/chathistory",
 	"draft/event-playback",
 	"draft/extended-monitor",
@@ -552,6 +553,14 @@ export default class Client extends EventTarget {
 		return saslCap.split(",").includes(mech);
 	}
 
+	checkAccountRegistrationCap(k) {
+		let v = this.availableCaps["draft/account-registration"];
+		if (v === undefined) {
+			return false;
+		}
+		return v.split(",").includes(k);
+	}
+
 	requestCaps() {
 		let wantCaps = [].concat(permanentCaps);
 		if (!this.params.bouncerNetwork) {
@@ -915,4 +924,45 @@ export default class Client extends EventTarget {
 			}
 		});
 	}
+
+	registerAccount(email, password) {
+		let msg = {
+			command: "REGISTER",
+			params: ["*", email || "*", password],
+		};
+		return this.roundtrip(msg, (msg) => {
+			switch (msg.command) {
+			case "REGISTER":
+				let result = msg.params[0];
+				return {
+					verificationRequired: result === "VERIFICATION_REQUIRED",
+					account: msg.params[1],
+					message: msg.params[2],
+				};
+			case "FAIL":
+				if (msg.params[0] === "REGISTER") {
+					throw msg;
+				}
+				break;
+			}
+		});
+	}
+
+	verifyAccount(account, code) {
+		let msg = {
+			command: "VERIFY",
+			params: [account, code],
+		};
+		return this.roundtrip(msg, (msg) => {
+			switch (msg.command) {
+			case "VERIFY":
+				return { message: msg.params[2] };
+			case "FAIL":
+				if (msg.params[0] === "VERIFY") {
+					throw msg;
+				}
+				break;
+			}
+		});
+	}
 }