TeaWeb/shared/js/profiles/identities/NameIdentity.ts

96 lines
2.9 KiB
TypeScript

import {
AbstractHandshakeIdentityHandler,
HandshakeCommandHandler,
IdentitifyType,
Identity
} from "tc-shared/profiles/Identity";
import * as log from "tc-shared/log";
import {LogCategory} from "tc-shared/log";
import {CommandResult} from "tc-shared/connection/ServerConnectionDeclaration";
import {AbstractServerConnection} from "tc-shared/connection/ConnectionBase";
import {HandshakeIdentityHandler} from "tc-shared/connection/HandshakeHandler";
class NameHandshakeHandler extends AbstractHandshakeIdentityHandler {
readonly identity: NameIdentity;
handler: HandshakeCommandHandler<NameHandshakeHandler>;
constructor(connection: AbstractServerConnection, identity: NameIdentity) {
super(connection);
this.identity = identity;
this.handler = new HandshakeCommandHandler(connection, this);
this.handler["handshakeidentityproof"] = () => this.trigger_fail("server requested unexpected proof");
}
start_handshake() {
this.connection.command_handler_boss().register_handler(this.handler);
this.connection.send_command("handshakebegin", {
intention: 0,
authentication_method: this.identity.type(),
client_nickname: this.identity.name()
}).catch(error => {
log.error(LogCategory.IDENTITIES, tr("Failed to initialize name based handshake. Error: %o"), error);
if(error instanceof CommandResult)
error = error.extra_message || error.message;
this.trigger_fail("failed to execute begin (" + error + ")");
}).then(() => this.trigger_success());
}
protected trigger_fail(message: string) {
this.connection.command_handler_boss().unregister_handler(this.handler);
super.trigger_fail(message);
}
protected trigger_success() {
this.connection.command_handler_boss().unregister_handler(this.handler);
super.trigger_success();
}
}
export class NameIdentity implements Identity {
private _name: string;
constructor(name?: string) {
this._name = name;
}
set_name(name: string) { this._name = name; }
name() : string { return this._name; }
fallback_name(): string | undefined {
return this._name;
}
uid(): string {
return btoa(this._name); //FIXME hash!
}
type(): IdentitifyType {
return IdentitifyType.NICKNAME;
}
valid(): boolean {
return this._name != undefined && this._name.length >= 5;
}
decode(data) : Promise<void> {
data = JSON.parse(data);
if(data.version !== 1)
throw "invalid version";
this._name = data["name"];
return;
}
encode?() : string {
return JSON.stringify({
version: 1,
name: this._name
});
}
spawn_identity_handshake_handler(connection: AbstractServerConnection) : HandshakeIdentityHandler {
return new NameHandshakeHandler(connection, this);
}
}