/// <summary>Processes the HTTP request body binding.</summary>
/// <param name="context">The context.</param>
/// <param name="contextResolver">The API request context resolver.</param>
/// <param name="formatterFactory">The formatter factory.</param>
/// <returns></returns>
internal static async Task <bool> ProcessHttpRequestBodyBinding(this ApiRequestContext context, IApiRequestContextResolver contextResolver, IDeepSleepMediaSerializerFactory formatterFactory)
{
if (!context.RequestAborted.IsCancellationRequested)
{
if (context.Request.Method?.In(StringComparison.InvariantCultureIgnoreCase, "post", "patch", "put") ?? false)
{
if (!context.Request.ContentLength.HasValue)
{
if (context.Configuration?.RequestValidation?.RequireContentLengthOnRequestBodyRequests ?? true)
{
context.Response.StatusCode = 411;
return(false);
}
}
if (context.Request.ContentLength > 0 && string.IsNullOrWhiteSpace(context.Request.ContentType))
{
context.Response.StatusCode = 415;
return(false);
}
if (context.Configuration?.RequestValidation?.MaxRequestLength > 0 && context.Request.ContentLength > 0)
{
if (context.Request.ContentLength > context.Configuration.RequestValidation.MaxRequestLength)
{
context.Response.StatusCode = 413;
return(false);
}
}
if (context.Request.ContentLength > 0 && context.Routing?.Route?.Location?.BodyParameterType == null)
{
if (!(context.Configuration?.RequestValidation?.AllowRequestBodyWhenNoModelDefined ?? false))
{
context.Response.StatusCode = 413;
return(false);
}
}
if (context.Routing.Route.Location.BodyParameterType != null && context.Request.ContentLength > 0 && !string.IsNullOrWhiteSpace(context.Request.ContentType))
{
IDeepSleepMediaSerializer formatter = null;
var formatterTypes = context.Configuration?.ReadWriteConfiguration?.ReadableMediaTypes
?? formatterFactory?.GetReadableTypes(objType: context.Routing.Route.Location.BodyParameterType, overridingFormatters: null)
?? new List <string>();
if (formatterFactory != null)
{
formatter = await formatterFactory.GetContentTypeFormatter(
contentTypeHeader : context.Request.ContentType,
objType : context.Routing.Route.Location.BodyParameterType,
formatterType : out var _,
readableMediaTypes : context.Configuration?.ReadWriteConfiguration?.ReadableMediaTypes).ConfigureAwait(false);
}
if (context.Configuration.ReadWriteConfiguration?.ReaderResolver != null)
{
var overrides = await context.Configuration.ReadWriteConfiguration.ReaderResolver(context?.RequestServices).ConfigureAwait(false);
if (overrides?.Formatters != null)
{
formatter = await formatterFactory.GetContentTypeFormatter(
contentTypeHeader : context.Request.ContentType,
objType : context.Routing.Route.Location.BodyParameterType,
formatterType : out var _,
readableFormatters : overrides.Formatters,
readableMediaTypes : context.Configuration?.ReadWriteConfiguration?.ReadableMediaTypes).ConfigureAwait(false);
formatterTypes = overrides.Formatters
.Where(f => f != null)
.Where(f => f.SupportsRead)
.Where(f => f.ReadableMediaTypes != null)
.Where(f => f.CanHandleType(context.Routing.Route.Location.BodyParameterType))
.SelectMany(f => f.ReadableMediaTypes)
.Distinct()
.ToList();
formatterTypes = context.Configuration?.ReadWriteConfiguration?.ReadableMediaTypes ?? formatterTypes ?? new List <string>();
}
else
{
formatterTypes = context.Configuration?.ReadWriteConfiguration?.ReadableMediaTypes ?? new List <string>();
}
}
if (formatter == null)
{
context.Response.StatusCode = 415;
context.Response.AddHeader(
name: "X-Allow-Content-Types",
value: string.Join(", ", formatterTypes),
append: false,
allowMultiple: false);
return(false);
}
Encoding contextTypeEncoding = null;
if (context.Request.ContentType != null as string)
{
if (!string.IsNullOrWhiteSpace(context.Request.ContentType.Charset))
{
try
{
contextTypeEncoding = Encoding.GetEncoding(context.Request.ContentType.Charset);
}
catch { }
}
}
try
{
context.Request.InvocationContext.BodyModel = await formatter.ReadType(
stream : context.Request.Body,
objType : context.Routing.Route.Location.BodyParameterType,
options : new MediaSerializerOptions
{
Culture = context.Request.AcceptCulture,
Encoding = contextTypeEncoding ?? Encoding.UTF8
}).ConfigureAwait(false);
}
catch (Exception ex)
{
context.AddInternalException(ex);
if (ex.GetType().Name.Contains("BadHttpRequestException"))
{
context.Response.StatusCode = 413;
}
else
{
context.AddValidationError(context.Configuration?.ValidationErrorConfiguration?.RequestDeserializationError);
context.Response.StatusCode = 400;
}
return(false);
}
}
}
return(true);
}
return(false);
}
/// <summary>Processes the HTTP request localization.</summary>
/// <param name="context">The context.</param>
/// <returns></returns>
internal static Task <bool> ProcessHttpRequestLocalization(this ApiRequestContext context)
{
if (!context.RequestAborted.IsCancellationRequested)
{
var fallBackLanguage = !string.IsNullOrWhiteSpace(context.Configuration?.LanguageSupport?.FallBackLanguage)
? context.Configuration.LanguageSupport.FallBackLanguage
: CultureInfo.CurrentUICulture.Name;
var supportedLanguages = context.Configuration?.LanguageSupport?.SupportedLanguages != null
? context.Configuration.LanguageSupport.SupportedLanguages
: new string[] { };
var acceptedLanguage = GetAcceptedSupportedLanguage(supportedLanguages, context.Request?.AcceptLanguage?.Values);
if (string.IsNullOrWhiteSpace(acceptedLanguage))
{
acceptedLanguage = GetAcceptedSupportedLanguage(
supportedLanguages: supportedLanguages,
acceptLanguages: new AcceptLanguageHeader($"{fallBackLanguage}").Values);
}
if (string.IsNullOrWhiteSpace(acceptedLanguage) && context.Request?.AcceptLanguage?.Values != null)
{
var neutralLangs = context.Request.AcceptLanguage.Values
.Where(s => (s.Code?.Trim()?.Length ?? 0) > 1)
.Select(s => new LanguageValueWithQuality(s.Code.Trim().Substring(0, 2), s.Quality, s.Parameters));
acceptedLanguage = GetAcceptedSupportedLanguage(supportedLanguages, neutralLangs);
}
if (string.IsNullOrWhiteSpace(acceptedLanguage))
{
acceptedLanguage = fallBackLanguage;
}
if (string.IsNullOrWhiteSpace(acceptedLanguage))
{
context.Request.AcceptCulture = CultureInfo.CurrentUICulture;
}
else
{
try
{
context.Request.AcceptCulture = new CultureInfo(acceptedLanguage);
if (context.Configuration?.LanguageSupport?.UseAcceptedLanguageAsThreadCulture == true)
{
context.Runtime.Internals.CurrentCulture = context.Request.AcceptCulture;
}
if (context.Configuration?.LanguageSupport?.UseAcceptedLanguageAsThreadUICulture == true)
{
context.Runtime.Internals.CurrentUICulture = context.Request.AcceptCulture;
}
}
catch (Exception ex)
{
context.AddInternalException(ex);
context.Request.AcceptCulture = CultureInfo.CurrentUICulture;
}
}
return(Task.FromResult(true));
}
return(Task.FromResult(false));
}