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import {
IOpenVpnConstraints,
RelayLocation,
RelayProtocol,
RelaySettingsNormalUpdate,
RelaySettingsUpdate,
} from '../../shared/daemon-rpc-types';
interface ILocationBuilder<Self> {
country: (country: string) => Self;
city: (country: string, city: string) => Self;
hostname: (country: string, city: string, hostname: string) => Self;
any: () => Self;
fromRaw: (location: 'any' | RelayLocation) => Self;
}
interface IExactOrAny<T, Self> {
exact(value: T): Self;
any(): Self;
}
interface IOpenVPNConfigurator {
port: IExactOrAny<number, IOpenVPNConfigurator>;
protocol: IExactOrAny<RelayProtocol, IOpenVPNConfigurator>;
}
interface ITunnelBuilder {
openvpn(
configurator: (openVpnConfigurator: IOpenVPNConfigurator) => void,
): NormalRelaySettingsBuilder;
any(): NormalRelaySettingsBuilder;
}
class NormalRelaySettingsBuilder {
private payload: RelaySettingsNormalUpdate = {};
public build(): RelaySettingsUpdate {
return {
normal: this.payload,
};
}
get location(): ILocationBuilder<NormalRelaySettingsBuilder> {
return {
country: (country: string) => {
this.payload.location = { only: { country } };
return this;
},
city: (country: string, city: string) => {
this.payload.location = { only: { city: [country, city] } };
return this;
},
hostname: (country: string, city: string, hostname: string) => {
this.payload.location = { only: { hostname: [country, city, hostname] } };
return this;
},
any: () => {
this.payload.location = 'any';
return this;
},
fromRaw(location: 'any' | RelayLocation) {
if (location === 'any') {
return this.any();
} else if ('hostname' in location) {
const [country, city, hostname] = location.hostname;
return this.hostname(country, city, hostname);
} else if ('city' in location) {
const [country, city] = location.city;
return this.city(country, city);
} else if ('country' in location) {
return this.country(location.country);
}
throw new Error(
'Unsupported value of RelayLocation' + (location && JSON.stringify(location)),
);
},
};
}
get tunnel(): ITunnelBuilder {
const updateOpenvpn = (next: Partial<IOpenVpnConstraints>) => {
const tunnel = this.payload.tunnel;
if (typeof tunnel === 'string' || typeof tunnel === 'undefined') {
this.payload.tunnel = {
only: {
openvpn: next,
},
};
} else if (typeof tunnel === 'object') {
const prev = tunnel.only && 'openvpn' in tunnel.only ? tunnel.only.openvpn : {};
this.payload.tunnel = {
only: {
openvpn: { ...prev, ...next },
},
};
}
};
return {
openvpn: (configurator: (configurator: IOpenVPNConfigurator) => void) => {
const openvpnBuilder: IOpenVPNConfigurator = {
get port() {
const apply = (port: 'any' | { only: number }) => {
updateOpenvpn({ port });
return this;
};
return {
exact: (value: number) => apply({ only: value }),
any: () => apply('any'),
};
},
get protocol() {
const apply = (protocol: 'any' | { only: RelayProtocol }) => {
updateOpenvpn({ protocol });
return this;
};
return {
exact: (value: RelayProtocol) => apply({ only: value }),
any: () => apply('any'),
};
},
};
configurator(openvpnBuilder);
return this;
},
any: () => {
this.payload.tunnel = 'any';
return this;
},
};
}
}
export default {
normal: () => new NormalRelaySettingsBuilder(),
};
|
