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add JumpToCN complex call interfaces
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,17 @@ | ||
| using System; | ||
| using System.Collections.Generic; | ||
| using System.Text; | ||
|
|
||
| namespace HeXuShi.Extensions | ||
| { | ||
| //JumpToCNState | ||
| //ToCNState | ||
| //JumpToState | ||
| public enum JumpOption | ||
| { | ||
| OnlyTo_SpecSuffix,//Only jump to specify suffix | ||
| OnlyTo_SpecDomain,//Only jump to specify domain | ||
| SuffixTo_SpecSuffix,//specify suffix to specify suffix, | ||
| DomainTo_SpecDomain,//specify domain to specify domain, | ||
| } | ||
| } |
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195 changes: 195 additions & 0 deletions
195
src/HeXuShi.Extensions.JumpToCN/Middleware/HandleRequest.cs
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,195 @@ | ||
| using Microsoft.AspNetCore.Http; | ||
| using System; | ||
| using System.Collections.Generic; | ||
| using System.Text; | ||
|
|
||
| namespace HeXuShi.Extensions.Middleware | ||
| { | ||
| internal class HandleRequest | ||
| { | ||
| private JumpOption _option; | ||
| private string _first; | ||
| private string _second; | ||
| public HandleRequest( | ||
| string first, | ||
| string second, | ||
| JumpOption option) | ||
| { | ||
| _option = option; | ||
| _first = first; | ||
| _second = second; | ||
| } | ||
| public Tuple<bool, string> Handle(HttpContext context) | ||
| { | ||
| switch(_option) | ||
| { | ||
| case JumpOption.OnlyTo_SpecSuffix: | ||
| return OnlyTo_SpecSuffix(context); | ||
| case JumpOption.OnlyTo_SpecDomain: | ||
| return OnlyTo_SpecDomain(context); | ||
| case JumpOption.SuffixTo_SpecSuffix: | ||
| return SuffixTo_SpecSuffix(context); | ||
| case JumpOption.DomainTo_SpecDomain: | ||
| return DomainTo_SpecDomain(context); | ||
| default: | ||
| break; | ||
| } | ||
| throw new InvalidOperationException("jump to cn error handle request range"); | ||
| } | ||
| private Tuple<bool, string> OnlyTo_SpecSuffix(HttpContext context) | ||
| { | ||
| var result = new Tuple<bool, string>(false, string.Empty); | ||
| var index = context.Request.Host.Value.LastIndexOf("."); | ||
| if (index == -1 || context.Connection.RemoteIpAddress.ToString().Length < 6) | ||
| return result; | ||
|
|
||
| var suffix = context.Request.Host.Value.Substring(index); | ||
| if (suffix == _first) | ||
| return result; | ||
|
|
||
| try | ||
| { | ||
| IsChinaIp.Setup(); | ||
| bool isChinaIp = false; | ||
| switch (context.Connection.RemoteIpAddress.AddressFamily) | ||
| { | ||
| case System.Net.Sockets.AddressFamily.InterNetwork: | ||
| isChinaIp = IsChinaIp.VerifyIPv4(context.Connection.RemoteIpAddress.ToString()); | ||
| break; | ||
| case System.Net.Sockets.AddressFamily.InterNetworkV6: | ||
| isChinaIp = IsChinaIp.VerifyIPv6(context.Connection.RemoteIpAddress.ToString()); | ||
| break; | ||
| default: | ||
| return result; | ||
| } | ||
| if (isChinaIp) | ||
| { | ||
| var domain = context.Request.Host.Value; | ||
| domain = domain.Remove(index, domain.Length - index); | ||
| domain += _first; | ||
| return new Tuple<bool, string>(true, domain); | ||
| } | ||
| else | ||
| return result; | ||
| } | ||
| catch | ||
| { | ||
| return result; | ||
| } | ||
| } | ||
| public Tuple<bool, string> OnlyTo_SpecDomain(HttpContext context) | ||
| { | ||
| var result = new Tuple<bool, string>(false, string.Empty); | ||
| if (context.Request.Host.Value == _first) | ||
| return result; | ||
|
|
||
| try | ||
| { | ||
| IsChinaIp.Setup(); | ||
| bool isChinaIp = false; | ||
| switch (context.Connection.RemoteIpAddress.AddressFamily) | ||
| { | ||
| case System.Net.Sockets.AddressFamily.InterNetwork: | ||
| isChinaIp = IsChinaIp.VerifyIPv4(context.Connection.RemoteIpAddress.ToString()); | ||
| break; | ||
| case System.Net.Sockets.AddressFamily.InterNetworkV6: | ||
| isChinaIp = IsChinaIp.VerifyIPv6(context.Connection.RemoteIpAddress.ToString()); | ||
| break; | ||
| default: | ||
| return result; | ||
| } | ||
| if (isChinaIp) | ||
| { | ||
| return new Tuple<bool, string>(true, _first); | ||
| } | ||
| else | ||
| return result; | ||
| } | ||
| catch | ||
| { | ||
| return result; | ||
| } | ||
| } | ||
| public Tuple<bool, string> SuffixTo_SpecSuffix(HttpContext context) | ||
| { | ||
| var result = new Tuple<bool, string>(false, string.Empty); | ||
| var index = context.Request.Host.Value.LastIndexOf("."); | ||
| if (index == -1 || context.Connection.RemoteIpAddress.ToString().Length < 6) | ||
| return result; | ||
|
|
||
| var suffix = context.Request.Host.Value.Substring(index); | ||
|
|
||
| try | ||
| { | ||
| IsChinaIp.Setup(); | ||
| bool isChinaIp = false; | ||
| switch (context.Connection.RemoteIpAddress.AddressFamily) | ||
| { | ||
| case System.Net.Sockets.AddressFamily.InterNetwork: | ||
| isChinaIp = IsChinaIp.VerifyIPv4(context.Connection.RemoteIpAddress.ToString()); | ||
| break; | ||
| case System.Net.Sockets.AddressFamily.InterNetworkV6: | ||
| isChinaIp = IsChinaIp.VerifyIPv6(context.Connection.RemoteIpAddress.ToString()); | ||
| break; | ||
| default: | ||
| return result; | ||
| } | ||
| if (suffix != _first && isChinaIp) | ||
| { | ||
| var domain = context.Request.Host.Value; | ||
| domain = domain.Remove(index, domain.Length - index); | ||
| domain += _first; | ||
| return new Tuple<bool, string>(true, domain); | ||
| } | ||
| else if (suffix != _second && !isChinaIp) | ||
| { | ||
| var domain = context.Request.Host.Value; | ||
| domain = domain.Remove(index, domain.Length - index); | ||
| domain += _second; | ||
| return new Tuple<bool, string>(true, domain); | ||
| } | ||
| else | ||
| return result; | ||
| } | ||
| catch | ||
| { | ||
| return result; | ||
| } | ||
| } | ||
| public Tuple<bool, string> DomainTo_SpecDomain(HttpContext context) | ||
| { | ||
| var result = new Tuple<bool, string>(false, string.Empty); | ||
|
|
||
| try | ||
| { | ||
| IsChinaIp.Setup(); | ||
| bool isChinaIp = false; | ||
| switch (context.Connection.RemoteIpAddress.AddressFamily) | ||
| { | ||
| case System.Net.Sockets.AddressFamily.InterNetwork: | ||
| isChinaIp = IsChinaIp.VerifyIPv4(context.Connection.RemoteIpAddress.ToString()); | ||
| break; | ||
| case System.Net.Sockets.AddressFamily.InterNetworkV6: | ||
| isChinaIp = IsChinaIp.VerifyIPv6(context.Connection.RemoteIpAddress.ToString()); | ||
| break; | ||
| default: | ||
| return result; | ||
| } | ||
| if (context.Request.Host.Value != _first && isChinaIp) | ||
| { | ||
| return new Tuple<bool, string>(true, _first); | ||
| } | ||
| else if (context.Request.Host.Value != _second && !isChinaIp) | ||
| { | ||
| return new Tuple<bool, string>(true, _second); | ||
| } | ||
| else | ||
| return result; | ||
| } | ||
| catch | ||
| { | ||
| return result; | ||
| } | ||
| } | ||
| } | ||
| } |
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