mirror of
https://github.com/2dust/v2rayN.git
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282 lines
9.8 KiB
C#
282 lines
9.8 KiB
C#
namespace ServiceLib.Manager;
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/// <summary>
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/// Centralized pre-checks before sensitive actions (set active profile, generate config, etc.).
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/// </summary>
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public class ActionPrecheckManager(Config config)
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{
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private static readonly Lazy<ActionPrecheckManager> _instance = new(() => new ActionPrecheckManager(AppManager.Instance.Config));
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public static ActionPrecheckManager Instance => _instance.Value;
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private readonly Config _config = config;
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public async Task<List<string>> CheckBeforeSetActive(string? indexId)
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{
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if (indexId.IsNullOrEmpty())
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{
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return [ResUI.PleaseSelectServer];
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}
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var item = await AppManager.Instance.GetProfileItem(indexId);
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if (item is null)
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{
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return [ResUI.PleaseSelectServer];
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}
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return await CheckBeforeGenerateConfig(item);
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}
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public async Task<List<string>> CheckBeforeGenerateConfig(ProfileItem? item)
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{
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if (item is null)
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{
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return [ResUI.PleaseSelectServer];
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}
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var errors = new List<string>();
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errors.AddRange(await ValidateCurrentNodeAndCoreSupport(item));
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errors.AddRange(await ValidateRelatedNodesExistAndValid(item));
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return errors;
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}
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private async Task<List<string>> ValidateCurrentNodeAndCoreSupport(ProfileItem item)
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{
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if (item.ConfigType == EConfigType.Custom)
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{
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return [];
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}
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var coreType = AppManager.Instance.GetCoreType(item, item.ConfigType);
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return await ValidateNodeAndCoreSupport(item, coreType);
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}
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private async Task<List<string>> ValidateNodeAndCoreSupport(ProfileItem item, ECoreType? coreType = null)
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{
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var errors = new List<string>();
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coreType ??= AppManager.Instance.GetCoreType(item, item.ConfigType);
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if (item.ConfigType is EConfigType.Custom)
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{
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errors.Add(string.Format(ResUI.NotSupportProtocol, item.ConfigType.ToString()));
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return errors;
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}
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if (!item.IsComplex())
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{
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if (item.Address.IsNullOrEmpty())
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{
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errors.Add(string.Format(ResUI.InvalidProperty, "Address"));
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return errors;
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}
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if (item.Port is <= 0 or >= 65536)
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{
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errors.Add(string.Format(ResUI.InvalidProperty, "Port"));
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return errors;
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}
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switch (item.ConfigType)
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{
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case EConfigType.VMess:
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if (item.Id.IsNullOrEmpty() || !Utils.IsGuidByParse(item.Id))
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errors.Add(string.Format(ResUI.InvalidProperty, "Id"));
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break;
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case EConfigType.VLESS:
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if (item.Id.IsNullOrEmpty() || !Utils.IsGuidByParse(item.Id) && item.Id.Length > 30)
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errors.Add(string.Format(ResUI.InvalidProperty, "Id"));
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if (!Global.Flows.Contains(item.Flow))
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errors.Add(string.Format(ResUI.InvalidProperty, "Flow"));
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break;
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case EConfigType.Shadowsocks:
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if (item.Id.IsNullOrEmpty())
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errors.Add(string.Format(ResUI.InvalidProperty, "Id"));
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if (string.IsNullOrEmpty(item.Security) || !Global.SsSecuritiesInSingbox.Contains(item.Security))
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errors.Add(string.Format(ResUI.InvalidProperty, "Security"));
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break;
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}
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if (item.ConfigType is EConfigType.VLESS or EConfigType.Trojan
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&& item.StreamSecurity == Global.StreamSecurityReality
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&& item.PublicKey.IsNullOrEmpty())
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{
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errors.Add(string.Format(ResUI.InvalidProperty, "PublicKey"));
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}
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if (errors.Count > 0)
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{
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return errors;
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}
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}
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if (item.ConfigType.IsGroupType())
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{
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ProfileGroupItemManager.Instance.TryGet(item.IndexId, out var group);
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if (group is null || group.ChildItems.IsNullOrEmpty())
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{
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errors.Add(string.Format(ResUI.GroupEmpty, item.Remarks));
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return errors;
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}
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var hasCycle = ProfileGroupItemManager.HasCycle(item.IndexId);
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if (hasCycle)
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{
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errors.Add(string.Format(ResUI.GroupSelfReference, item.Remarks));
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return errors;
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}
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foreach (var child in Utils.String2List(group.ChildItems))
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{
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var childErrors = new List<string>();
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if (child.IsNullOrEmpty())
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{
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continue;
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}
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var childItem = await AppManager.Instance.GetProfileItem(child);
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if (childItem is null)
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{
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childErrors.Add(string.Format(ResUI.NodeTagNotExist, child));
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continue;
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}
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if (childItem.ConfigType is EConfigType.Custom or EConfigType.ProxyChain)
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{
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childErrors.Add(string.Format(ResUI.InvalidProperty, childItem.Remarks));
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continue;
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}
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childErrors.AddRange(await ValidateNodeAndCoreSupport(childItem, coreType));
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errors.AddRange(childErrors);
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}
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return errors;
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}
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var net = item.GetNetwork() ?? item.Network;
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if (coreType == ECoreType.sing_box)
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{
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// sing-box does not support xhttp / kcp
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// sing-box does not support transports like ws/http/httpupgrade/etc. when the node is not vmess/trojan/vless
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if (net is nameof(ETransport.kcp) or nameof(ETransport.xhttp))
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{
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errors.Add(string.Format(ResUI.CoreNotSupportNetwork, nameof(ECoreType.sing_box), net));
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return errors;
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}
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if (item.ConfigType is not (EConfigType.VMess or EConfigType.VLESS or EConfigType.Trojan))
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{
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if (net is nameof(ETransport.ws) or nameof(ETransport.http) or nameof(ETransport.h2) or nameof(ETransport.quic) or nameof(ETransport.httpupgrade))
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{
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errors.Add(string.Format(ResUI.CoreNotSupportProtocolTransport, nameof(ECoreType.sing_box), item.ConfigType.ToString(), net));
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return errors;
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}
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}
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}
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else if (coreType is ECoreType.Xray)
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{
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// Xray core does not support these protocols
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if (!Global.XraySupportConfigType.Contains(item.ConfigType)
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&& !item.IsComplex())
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{
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errors.Add(string.Format(ResUI.CoreNotSupportProtocol, nameof(ECoreType.Xray), item.ConfigType.ToString()));
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return errors;
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}
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}
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return errors;
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}
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private async Task<List<string>> ValidateRelatedNodesExistAndValid(ProfileItem? item)
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{
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var errors = new List<string>();
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errors.AddRange(await ValidateProxyChainedNodeExistAndValid(item));
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errors.AddRange(await ValidateRoutingNodeExistAndValid(item));
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return errors;
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}
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private async Task<List<string>> ValidateProxyChainedNodeExistAndValid(ProfileItem? item)
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{
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var errors = new List<string>();
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if (item is null)
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{
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return errors;
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}
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// prev node and next node
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var subItem = await AppManager.Instance.GetSubItem(item.Subid);
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if (subItem is null)
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{
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return errors;
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}
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var prevNode = await AppManager.Instance.GetProfileItemViaRemarks(subItem.PrevProfile);
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var nextNode = await AppManager.Instance.GetProfileItemViaRemarks(subItem.NextProfile);
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var coreType = AppManager.Instance.GetCoreType(item, item.ConfigType);
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await CollectProxyChainedNodeValidation(prevNode, subItem.PrevProfile, coreType, errors);
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await CollectProxyChainedNodeValidation(nextNode, subItem.NextProfile, coreType, errors);
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return errors;
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}
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private async Task CollectProxyChainedNodeValidation(ProfileItem? node, string tag, ECoreType coreType, List<string> errors)
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{
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if (node is not null)
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{
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var nodeErrors = await ValidateNodeAndCoreSupport(node, coreType);
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errors.AddRange(nodeErrors.Select(s => ResUI.ProxyChainedPrefix + s));
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}
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else if (tag.IsNotEmpty())
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{
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errors.Add(ResUI.ProxyChainedPrefix + string.Format(ResUI.NodeTagNotExist, tag));
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}
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}
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private async Task<List<string>> ValidateRoutingNodeExistAndValid(ProfileItem? item)
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{
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var errors = new List<string>();
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if (item is null)
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{
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return errors;
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}
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var coreType = AppManager.Instance.GetCoreType(item, item.ConfigType);
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var routing = await ConfigHandler.GetDefaultRouting(_config);
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if (routing == null)
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{
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return errors;
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}
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var rules = JsonUtils.Deserialize<List<RulesItem>>(routing.RuleSet);
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foreach (var ruleItem in rules ?? [])
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{
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if (!ruleItem.Enabled)
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{
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continue;
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}
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var outboundTag = ruleItem.OutboundTag;
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if (outboundTag.IsNullOrEmpty() || Global.OutboundTags.Contains(outboundTag))
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{
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continue;
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}
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var tagItem = await AppManager.Instance.GetProfileItemViaRemarks(outboundTag);
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if (tagItem is null)
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{
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errors.Add(ResUI.RoutingRuleOutboundPrefix + string.Format(ResUI.NodeTagNotExist, outboundTag));
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continue;
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}
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var tagErrors = await ValidateNodeAndCoreSupport(tagItem, coreType);
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errors.AddRange(tagErrors.Select(s => ResUI.RoutingRuleOutboundPrefix + s));
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}
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return errors;
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}
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}
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