public bool CanConnect(ServerCandidates candidates, Profile profile)
{
var servers = Servers(candidates);
if (servers.Any())
{
return(SwitchSecureCoreMode(servers.First().IsSecureCore()));
}
HandleNoServersAvailable(candidates.Items, profile);
return(false);
}
public async Task <bool> UpdateServers(ServerCandidates candidates, Profile profile)
{
var servers = Servers(candidates);
if (!servers.Any())
{
return(false);
}
var sortedServers = Sorted(servers, profile.ProfileType);
await UpdateServers(sortedServers);
return(true);
}
private Specification <LogicalServerContract> ProfileServerSpec(Profile profile)
{
if (profile.ProfileType == ProfileType.Custom)
{
return(new ServerById(profile.ServerId));
}
Specification <LogicalServerContract> spec = new ServerByFeatures(ServerFeatures(profile));
if (!string.IsNullOrEmpty(profile.CountryCode))
{
spec &= new ExitCountryServer(profile.CountryCode);
}
return(spec);
}
private Features ServerFeatures(Profile profile)
{
if (profile.IsPredefined)
{
if (_appSettings.SecureCore)
{
return(Features.SecureCore);
}
if (_appSettings.IsPortForwardingEnabled())
{
return(profile.Features);
}
return(Features.None);
}
return(profile.Features);
}
private void InitializeArrangeVariables()
{
_standardPhysicalServers = new List <PhysicalServer>
{
new PhysicalServer(id: "Standard-PS", entryIp: "192.168.0.1", exitIp: "192.168.1.1",
domain: "standard.protonvpn.ps", status: 1, label: string.Empty, x25519PublicKey: string.Empty)
};
_p2pPhysicalServers = new List <PhysicalServer>
{
new PhysicalServer(id: "P2P-PS", entryIp: "192.168.0.2", exitIp: "192.168.1.2",
domain: "p2p.protonvpn.ps", status: 1, label: string.Empty, x25519PublicKey: string.Empty)
};
_torPhysicalServers = new List <PhysicalServer>
{
new PhysicalServer(id: "Tor-PS", entryIp: "192.168.0.3", exitIp: "192.168.1.3",
domain: "tor.protonvpn.ps", status: 1, label: string.Empty, x25519PublicKey: string.Empty)
};
_standardServer = new Server(id: "Standard-S", name: "Standard", city: "City", entryCountry: "CH", exitCountry: "CH", domain: "standard.protonvpn.s", status: 1, tier: ServerTiers.Basic,
features: (sbyte)Features.None, load: 0, score: 1, location: Substitute.For <Location>(), physicalServers: _standardPhysicalServers, exitIp: "192.168.2.1");
_p2pServer = new Server(id: "P2P-S", name: "P2P", city: "City", entryCountry: "CH", exitCountry: "CH", domain: "p2p.protonvpn.s", status: 1, tier: ServerTiers.Plus,
features: (sbyte)Features.P2P, load: 100, score: 999, location: Substitute.For <Location>(), physicalServers: _p2pPhysicalServers, exitIp: "192.168.2.2");
_torServer = new Server(id: "Tor-S", name: "Tor", city: "City", entryCountry: "CH", exitCountry: "CH", domain: "tor.protonvpn.s", status: 1, tier: ServerTiers.Plus,
features: (sbyte)Features.Tor, load: 0, score: 0, location: Substitute.For <Location>(), physicalServers: _torPhysicalServers, exitIp: "192.168.2.3");
_servers = new List <Server>
{
_standardServer,
_p2pServer,
_torServer
};
_candidates = new ServerCandidates(_serverManager, _servers);
_profile = new Profile()
{
ProfileType = ProfileType.Fastest,
VpnProtocol = VpnProtocol.Smart
};
}
private Server GetBestServerForNoFeaturesAndDifferentCountry(Server originalServer, IList <Server> excludedServers, Profile baseProfile)
{
Profile profile = new()
{
ProfileType = ProfileType.Fastest,
Features = Features.None
};
return(GetBestServer(originalServer, excludedServers, profile, s => s.ExitCountry != baseProfile.CountryCode));
}
private Server GetBestServerForSameCityAndNoFeatures(Server originalServer, IList <Server> excludedServers, Profile baseProfile)
{
Profile profile = new()
{
ProfileType = ProfileType.Fastest,
Features = Features.None,
CountryCode = baseProfile.CountryCode,
City = baseProfile.City
};
return(GetBestServer(originalServer, excludedServers, profile));
}
private Server GetBestServerForSameCountryFeaturesAndDifferentCity(Server originalServer, IList <Server> excludedServers, Profile baseProfile)
{
Profile profile = new()
{
ProfileType = ProfileType.Fastest,
Features = baseProfile.Features,
CountryCode = baseProfile.CountryCode
};
return(GetBestServer(originalServer, excludedServers, profile, s => s.City != baseProfile.City));
}
private Server GetBestServerForSameCountryTierFeatures(Server originalServer, IList <Server> excludedServers, Profile baseProfile)
{
Profile profile = new()
{
ProfileType = ProfileType.Fastest,
Features = baseProfile.Features,
CountryCode = baseProfile.CountryCode,
ExactTier = baseProfile.ExactTier
};
return(GetBestServer(originalServer, excludedServers, profile));
}
private Server GetBestServerForDifferentEntryAndExitCountries(Server originalServer, IList <Server> excludedServers, Profile baseProfile)
{
Profile profile = new()
{
ProfileType = ProfileType.Fastest,
Features = baseProfile.Features
};
return(GetBestServer(originalServer, excludedServers, profile,
s => s.EntryCountry != baseProfile.EntryCountryCode && s.ExitCountry != baseProfile.CountryCode));
}
private Server GetBestServer(Server originalServer, IList <Server> excludedServers, Profile profile, Func <Server, bool> filter = null)
{
IEnumerable <Server> sortedCandidateServers = GetSortedCandidateServers(profile);
Server server = filter == null
? sortedCandidateServers.FirstOrDefault(s => !s.Equals(originalServer) && !excludedServers.Contains(s))
: sortedCandidateServers.FirstOrDefault(s => !s.Equals(originalServer) && !excludedServers.Contains(s) && filter(s));
return(server);
}
private IList <Server> GetSimilarServers(bool isToIncludeOriginalServer, Server originalServer, Profile baseProfile)
{
IList <Server> servers = new List <Server>();
servers.AddIfNotNull(GetOriginalServerIfRequired(isToIncludeOriginalServer, originalServer));
if ((baseProfile.Features & Features.SecureCore) > 0)
{
servers.AddIfNotNull(GetBestServerForSameExitCountryAndDifferentEntryCountry(originalServer, servers, baseProfile));
servers.AddIfNotNull(GetBestServerForSameEntryCountryAndDifferentExitCountry(originalServer, servers, baseProfile));
servers.AddIfNotNull(GetBestServerForDifferentEntryAndExitCountries(originalServer, servers, baseProfile));
}
else
{
servers.AddIfNotNull(GetBestServerForSameCityTierFeatures(originalServer, servers, baseProfile));
servers.AddIfNotNull(GetBestServerForSameCountryTierFeatures(originalServer, servers, baseProfile));
servers.AddIfNotNull(GetBestServerForSameCountryFeaturesAndDifferentCity(originalServer, servers, baseProfile));
if (baseProfile.Features > 0)
{
servers.AddIfNotNull(GetBestServerForSameFeaturesAndDifferentCountry(originalServer, servers, baseProfile));
}
servers.AddIfNotNull(GetBestServerForSameCityAndNoFeatures(originalServer, servers, baseProfile));
servers.AddIfNotNull(GetBestServerForSameCountryAndNoFeaturesAndDifferentCity(originalServer, servers, baseProfile));
servers.AddIfNotNull(GetBestServerForNoFeaturesAndDifferentCountry(originalServer, servers, baseProfile));
}
return(servers);
}
private void HandleNoServersAvailable(IReadOnlyCollection <Server> candidates, Profile profile)
{
if (profile.ProfileType == ProfileType.Custom)
{
HandleNoCustomServerAvailable(candidates.FirstOrDefault());
return;
}
if ((profile.Features.IsSecureCore() || profile.IsPredefined && _appSettings.SecureCore) &&
_userStorage.User().MaxTier < ServerTiers.Plus)
{
_modals.Show <ScUpsellModalViewModel>();
return;
}
if (!string.IsNullOrEmpty(profile.CountryCode))
{
HandleNoCountryServersAvailable(candidates);
return;
}
if (!candidates.Any())
{
_dialogs.ShowWarning(StringResources.Get("Profiles_msg_NoServersAvailable"));
return;
}
var userTierServers = candidates.UpToTierServers(_userStorage.User().MaxTier);
if (!userTierServers.Any())
{
if (candidates.BasicServers().Any())
{
_modals.Show <UpsellModalViewModel>();
return;
}
if (candidates.PlusServers().Any())
{
_modals.Show <PlusUpsellModalViewModel>();
return;
}
}
if (!candidates.OnlineServers().Any())
{
_dialogs.ShowWarning(StringResources.Get("Profiles_msg_AllServersOffline"));
return;
}
_modals.Show <NoServerDueTierUpsellModalViewModel>();
}
private Features ServerFeatures(Profile profile)
{
return(profile.IsPredefined
? _appSettings.SecureCore ? Features.SecureCore : Features.None
: profile.Features);
}
public async Task Delete(Profile profile)
{
await _profiles.Delete(profile);
Sync();
}
public async Task Update(Profile profile)
{
await _profiles.Update(profile);
Sync();
}