public static RedirectTarget Create(string target, bool permanent, bool queryProcessRequired)
{
var item = new RedirectTarget();
item.Update(target, permanent, queryProcessRequired);
return(item);
}
public static RedirectTarget CreateEmpty()
{
var item = new RedirectTarget {
QueryProcess = RedirectQueryProcess.Ignored
};
return(item);
}
public static RedirectTarget CreateDefaultRecord2()
{
var item = new RedirectTarget()
{
Target = ">" + DefaultRecordKey
};
return(item);
}
public static RedirectTarget CreateDefault()
{
var item = new RedirectTarget()
{
Target = "https://www.google.com/",
//Permanent = false,
QueryProcess = RedirectQueryProcess.Ignored
};
return(item);
}
public static RedirectTarget CreateDefaultRecord()
{
var item = new RedirectTarget()
{
Target = "https://www.github.com/",
//Permanent = false,
QueryProcess = RedirectQueryProcess.AppendDirectly
};
return(item);
}
public static DomainSetting CreateEmpty(string managementKey = DefaultManagementKey)
{
var item = new DomainSetting
{
ManagementKey = managementKey,
DefaultTarget = RedirectTarget.CreateEmpty(),
IgnoreCaseWhenMatching = true,
Redirects = new Dictionary <string, RedirectTarget>(StringComparer.OrdinalIgnoreCase)
};
return(item);
}
public static DomainSetting CreateDefaultRecord()
{
var item = new DomainSetting
{
ManagementKey = DefaultManagementKey,
DefaultTarget = RedirectTarget.CreateDefault(),
IgnoreCaseWhenMatching = true,
Redirects = new Dictionary <string, RedirectTarget>(StringComparer.OrdinalIgnoreCase)
{
[RedirectTarget.DefaultRecordKey] = RedirectTarget.CreateDefaultRecord(),
[RedirectTarget.DefaultRecordKey2] = RedirectTarget.CreateDefaultRecord2()
}
};
return(item);
}
static OtherResult HttpAddRedirect(HttpContext context, DomainSetting domain)
{
var address = context.GetQueryTextParameter("Address");
var target = context.GetQueryTextParameter("Target");
var permanent = context.GetQueryBooleanParameter("Permanent");
var queryProcess = context.GetQueryBooleanParameter("QueryProcess");
var redirect = RedirectTarget.Create(target, permanent, queryProcess);
if (domain.Redirects.TryAdd(address, redirect))
{
SettingHost.SaveSetting();
return(new Status200Result <RedirectTargetWithAddress>(new RedirectTargetWithAddress(address, redirect)));
}
else
{
return(new Status409Result());
}
}
public static ServiceSetting CreateDefault()
{
var item = new ServiceSetting
{
//KestrelUrl = "http://localhost:40020",
EnableStaticFiles = true,
PreferXForwardedHost = true,
DefaultTarget = RedirectTarget.CreateDefault(),
GlobalManagementKey = DefaultGlobalManagementKey,
GlobalManagementEnabledHosts = new HashSet <string>(StringComparer.OrdinalIgnoreCase),
Domains = new Dictionary <string, DomainSetting>(StringComparer.OrdinalIgnoreCase)
{
[DomainSetting.DefaultRecordKey] = DomainSetting.CreateDefaultRecord()
},
Aliases = new Dictionary <string, string>(StringComparer.OrdinalIgnoreCase)
{
["localhost:8088"] = "localhost"
}
};
return(item);
}
static OtherResult HttpUpdateRedirect(HttpContext context, DomainSetting domain)
{
var address = context.GetQueryTextParameter("Address");
var newAddress = context.GetQueryOptionalTextParameter("NewAddress");
var target = context.GetQueryTextParameter("Target");
var permanent = context.GetQueryBooleanParameter("Permanent");
var queryProcess = context.GetQueryBooleanParameter("QueryProcess");
if (newAddress != null && newAddress != address)
{
//Change domain name
if (domain.Redirects.ContainsKey(newAddress))
{
return(new Status409Result());
}
else if (domain.Redirects.Remove(address))
{
var redirect = RedirectTarget.Create(target, permanent, queryProcess);
domain.Redirects.Add(newAddress, redirect);
SettingHost.SaveSetting();
return(new Status200Result <RedirectTargetWithAddress>(new RedirectTargetWithAddress(address, redirect)));
}
else
{
return(new Status410Result());
}
}
else if (domain.Redirects.TryGetValue(address, out RedirectTarget redirect))
{
redirect.Update(target, permanent, queryProcess);
SettingHost.SaveSetting();
return(new Status200Result <RedirectTargetWithAddress>(new RedirectTargetWithAddress(address, redirect)));
}
else
{
return(new Status410Result());
}
}
static void Redirect(this HttpContext context, RedirectTarget target)
{
var url = target.Target;
var query = context.Request.QueryString;
if (query.HasValue && query.Value.Length > 0)
{
if (target.QueryProcess == RedirectQueryProcess.AppendDirectly)
{
url += query.Value;
}
else if (target.QueryProcess == RedirectQueryProcess.AppendRemovingLeadingQuestionMark)
{
if (query.Value.StartsWith("?"))
{
url += "&" + query.Value.Substring(1);
}
else
{
url += "&" + query.Value;
}
}
}
context.Response.Headers[HeaderNames.Location] = url;
if (target.Permanent)
{
context.Response.StatusCode = StatusCodes.Status308PermanentRedirect;
}
else
{
context.Response.StatusCode = StatusCodes.Status307TemporaryRedirect;
}
}
static bool TryLocateRedirect(string address, IReadOnlyDictionary <string, RedirectTarget> records, out RedirectTarget target)
{
if (records.TryGetValue(address, out var redirectTarget))
{
if (redirectTarget.Target.StartsWith(">"))
{
const int maxRedirectLimit = 16;
var maxRedirect = maxRedirectLimit;
address = redirectTarget.Target[1..];
static bool TryLocateRedirect(string address, Dictionary <string, RedirectTarget> records, out RedirectTarget target)
{
if (records.TryGetValue(address, out RedirectTarget redirectTarget))
{
if (redirectTarget.Target.StartsWith(">"))
{
const int MaxRedirect = 16;
int maxRedirect = MaxRedirect;
address = redirectTarget.Target.Substring(1);
while (records.TryGetValue(address, out redirectTarget))
{
if (redirectTarget.Target.StartsWith(">"))
{
if (maxRedirect == 0)
{
//max redirect exceeded
target = null;
return(false);
}
else
{
address = redirectTarget.Target.Substring(1);
maxRedirect--;
}
}
else
{
//redirect remap found
target = redirectTarget;
return(true);
}
}
//redirect remap not found
target = null;
return(false);
}
else
{
//no remap
target = redirectTarget;
return(true);
}
}
else
{
//No record
target = null;
return(false);
}
}