Task <JToken> GetFormJTokenAsync
(
this ModelBindingContext target
)
{
JToken r = null;
var formCollectionModelBinder =
new FormCollectionModelBinder
(
NullLoggerFactory
.Instance
);
await
formCollectionModelBinder
.BindModelAsync(target);
if
(
target
.Result
.IsModelSet
)
{
r = JTokenWebHelper
.ToJToken
(
(IFormCollection)
target
.Result
.Model
);
}
return(r);
}
public async Task BindModelAsync(ModelBindingContext bindingContext)
{
var request = bindingContext
.HttpContext
.Request;
JToken jToken = null;
async void RequestBodyProcess()
{
if (request.HasFormContentType)
{
var formBinder = new FormCollectionModelBinder();
await formBinder.BindModelAsync(bindingContext);
if (bindingContext.Result.IsModelSet)
{
jToken = JTokenWebHelper
.ToJToken
(
(IFormCollection)
bindingContext
.Result
.Model
);
}
}
else
{
//if (request.IsJsonRequest())
{
using (var streamReader = new StreamReader(request.Body))
{
var task = streamReader.ReadToEndAsync();
await task;
var json = task.Result;
if (!json.IsNullOrEmptyOrWhiteSpace())
{
jToken = JToken.Parse(json);
}
}
}
}
}
void RequestHeaderProcess()
{
var qs = request.QueryString.Value;
qs = HttpUtility
.UrlDecode
(
qs
);
qs = qs.TrimStart('?');
var isJson = false;
try
{
jToken = JToken.Parse(qs);
isJson = jToken is JObject;
}
catch
{
}
if (!isJson)
{
jToken = request.Query.ToJToken();
}
}
if
(
string.Compare(request.Method, "get", true) == 0
)
{
RequestHeaderProcess();
if (jToken == null)
{
RequestBodyProcess();
}
}
else
//if
//(
// string.Compare(request.Method, "get", true) == 0
//)
{
RequestBodyProcess();
if (jToken == null)
{
RequestHeaderProcess();
}
}
bindingContext
.Result =
ModelBindingResult
.Success
(
jToken
);
}
public async Task BindModelAsync(ModelBindingContext bindingContext)
{
var request = bindingContext
.HttpContext
.Request;
JToken jToken = null;
async void RequestFormBodyProcess()
{
if (request.HasFormContentType)
{
var formCollectionModelBinder = new FormCollectionModelBinder(NullLoggerFactory.Instance);
await formCollectionModelBinder.BindModelAsync(bindingContext);
if (bindingContext.Result.IsModelSet)
{
jToken = JTokenWebHelper
.ToJToken
(
(IFormCollection)
bindingContext
.Result
.Model
);
}
}
else
{
//if (request.IsJsonRequest())
{
using (var streamReader = new StreamReader(request.Body))
{
var task = streamReader.ReadToEndAsync();
await task;
var json = task.Result;
if (!json.IsNullOrEmptyOrWhiteSpace())
{
jToken = JToken.Parse(json);
}
}
}
}
}
void RequestQueryStringHeaderProcess()
{
var qs = request.QueryString.Value;
if (qs.IsNullOrEmptyOrWhiteSpace())
{
return;
}
qs = HttpUtility
.UrlDecode
(
qs
);
if (qs.IsNullOrEmptyOrWhiteSpace())
{
return;
}
qs = qs.TrimStart('?');
if (qs.IsNullOrEmptyOrWhiteSpace())
{
return;
}
var isJson = false;
try
{
jToken = JToken.Parse(qs);
isJson = jToken is JObject;
}
catch
{
}
if (!isJson)
{
jToken = request.Query.ToJToken();
}
}
// 取 jwtToken 优先级顺序：Header → QueryString → Body
StringValues jwtToken = string.Empty;
IConfiguration configuration =
(IConfiguration)request
.HttpContext
.RequestServices
.GetService
(
typeof(IConfiguration)
);
var jwtTokenName = configuration
.GetSection("TokenName")
.Value;
var needExtractJwtToken = !jwtTokenName.IsNullOrEmptyOrWhiteSpace();
void ExtractJwtTokenInJToken()
{
if (needExtractJwtToken)
{
if (jToken != null)
{
if (StringValues.IsNullOrEmpty(jwtToken))
{
var j = jToken[jwtTokenName];
if (j != null)
{
jwtToken = j.Value <string>();
}
}
}
}
}
if (needExtractJwtToken)
{
request
.Headers
.TryGetValue
(
jwtTokenName
, out jwtToken
);
}
RequestQueryStringHeaderProcess();
ExtractJwtTokenInJToken();
if
(
string.Compare(request.Method, "post", true) == 0
)
{
RequestFormBodyProcess();
ExtractJwtTokenInJToken();
//if (jToken == null)
//{
// RequestHeaderProcess();
//}
}
if (!StringValues.IsNullOrEmpty(jwtToken))
{
request
.HttpContext
.Items
.Add
(
jwtTokenName
, jwtToken
);
}
bindingContext
.Result =
ModelBindingResult
.Success
(
jToken
);
}