public static TypedData ToRpc(this object value, ILogger logger, Capabilities capabilities)
{
TypedData typedData = new TypedData();
if (value == null)
{
return(typedData);
}
if (value is byte[] arr)
{
typedData.Bytes = ByteString.CopyFrom(arr);
}
else if (value is JObject jobj)
{
typedData.Json = jobj.ToString();
}
else if (value is string str)
{
typedData.String = str;
}
else if (value is HttpRequest request)
{
var http = new RpcHttp()
{
Url = $"{(request.IsHttps ? "https" : "http")}://{request.Host.ToString()}{request.Path.ToString()}{request.QueryString.ToString()}", // [http|https]://{url}{path}{query}
Method = request.Method.ToString()
};
typedData.Http = http;
http.RawBody = null;
foreach (var pair in request.Query)
{
if (!string.IsNullOrEmpty(pair.Value.ToString()))
{
http.Query.Add(pair.Key, pair.Value.ToString());
}
}
foreach (var pair in request.Headers)
{
http.Headers.Add(pair.Key.ToLowerInvariant(), pair.Value.ToString());
}
if (request.HttpContext.Items.TryGetValue(HttpExtensionConstants.AzureWebJobsHttpRouteDataKey, out object routeData))
{
Dictionary <string, object> parameters = (Dictionary <string, object>)routeData;
foreach (var pair in parameters)
{
if (pair.Value != null)
{
http.Params.Add(pair.Key, pair.Value.ToString());
}
}
}
// parse ClaimsPrincipal if exists
if (request.HttpContext?.User?.Identities != null)
{
logger.LogDebug("HttpContext has ClaimsPrincipal; parsing to gRPC.");
foreach (var id in request.HttpContext.User.Identities)
{
var rpcClaimsIdentity = new RpcClaimsIdentity();
if (id.AuthenticationType != null)
{
rpcClaimsIdentity.AuthenticationType = new NullableString {
Value = id.AuthenticationType
};
}
if (id.NameClaimType != null)
{
rpcClaimsIdentity.NameClaimType = new NullableString {
Value = id.NameClaimType
};
}
if (id.RoleClaimType != null)
{
rpcClaimsIdentity.RoleClaimType = new NullableString {
Value = id.RoleClaimType
};
}
foreach (var claim in id.Claims)
{
if (claim.Type != null && claim.Value != null)
{
rpcClaimsIdentity.Claims.Add(new RpcClaim {
Value = claim.Value, Type = claim.Type
});
}
}
http.Identities.Add(rpcClaimsIdentity);
}
}
// parse request body as content-type
if (request.Body != null && request.ContentLength > 0)
{
object body = null;
string rawBodyString = null;
byte[] bytes = RequestBodyToBytes(request);
MediaTypeHeaderValue mediaType = null;
if (MediaTypeHeaderValue.TryParse(request.ContentType, out mediaType))
{
if (string.Equals(mediaType.MediaType, "application/json", StringComparison.OrdinalIgnoreCase))
{
var jsonReader = new StreamReader(request.Body, Encoding.UTF8);
rawBodyString = jsonReader.ReadToEnd();
try
{
body = JsonConvert.DeserializeObject(rawBodyString);
}
catch (JsonException)
{
body = rawBodyString;
}
}
else if (string.Equals(mediaType.MediaType, "application/octet-stream", StringComparison.OrdinalIgnoreCase) ||
mediaType.MediaType.IndexOf("multipart/", StringComparison.OrdinalIgnoreCase) >= 0)
{
body = bytes;
if (!IsRawBodyBytesRequested(capabilities))
{
rawBodyString = Encoding.UTF8.GetString(bytes);
}
}
}
// default if content-tye not found or recognized
if (body == null && rawBodyString == null)
{
var reader = new StreamReader(request.Body, Encoding.UTF8);
body = rawBodyString = reader.ReadToEnd();
}
request.Body.Position = 0;
http.Body = body.ToRpc(logger, capabilities);
if (IsRawBodyBytesRequested(capabilities))
{
http.RawBody = bytes.ToRpc(logger, capabilities);
}
else
{
http.RawBody = rawBodyString.ToRpc(logger, capabilities);
}
}
}
else
{
// attempt POCO / array of pocos
try
{
typedData.Json = JsonConvert.SerializeObject(value);
}
catch
{
typedData.String = value.ToString();
}
}
return(typedData);
}
private static bool IsTypedDataCollectionSupported(Capabilities capabilities)
{
return(!string.IsNullOrEmpty(capabilities.GetCapabilityState(LanguageWorkerConstants.TypedDataCollection)));
}
private static bool IsRawBodyBytesRequested(Capabilities capabilities)
{
return(capabilities.GetCapabilityState(LanguageWorkerConstants.RawHttpBodyBytes) != null);
}
private static bool IsRawBodyBytesRequested(Capabilities capabilities)
{
return(!string.IsNullOrEmpty(capabilities.GetCapabilityState(LanguageWorkerConstants.RawHttpBodyBytes)));
}
private static bool IsBodyOnlySupported(Capabilities capabilities)
{
return(!string.IsNullOrEmpty(capabilities.GetCapabilityState(LanguageWorkerConstants.RpcHttpBodyOnly)));
}
private static void PopulateBodyAndRawBody(HttpRequest request, RpcHttp http, Capabilities capabilities, ILogger logger)
{
object body = null;
string rawBodyString = null;
byte[] bytes = request.GetRequestBodyAsBytes();
if (MediaTypeHeaderValue.TryParse(request.ContentType, out MediaTypeHeaderValue mediaType))
{
if (string.Equals(mediaType.MediaType, "application/json", StringComparison.OrdinalIgnoreCase))
{
rawBodyString = request.ReadAsStringAsync().GetAwaiter().GetResult();
try
{
body = JsonConvert.DeserializeObject(rawBodyString);
}
catch (JsonException)
{
body = rawBodyString;
}
}
else if (request.IsMediaTypeOctetOrMultipart())
{
body = bytes;
if (!IsRawBodyBytesRequested(capabilities))
{
rawBodyString = Encoding.UTF8.GetString(bytes);
}
}
}
// default if content-tye not found or recognized
if (body == null && rawBodyString == null)
{
body = rawBodyString = request.ReadAsStringAsync().GetAwaiter().GetResult();
}
http.Body = body.ToRpc(logger, capabilities);
if (IsRawBodyBytesRequested(capabilities))
{
http.RawBody = bytes.ToRpc(logger, capabilities);
}
else
{
http.RawBody = rawBodyString.ToRpc(logger, capabilities);
}
}
internal static TypedData ToRpcHttp(this HttpRequest request, ILogger logger, Capabilities capabilities)
{
TypedData typedData = new TypedData();
var http = new RpcHttp()
{
Url = $"{(request.IsHttps ? "https" : "http")}://{request.Host.ToString()}{request.Path.ToString()}{request.QueryString.ToString()}", // [http|https]://{url}{path}{query}
Method = request.Method.ToString()
};
typedData.Http = http;
http.RawBody = null;
foreach (var pair in request.Query)
{
if (!string.IsNullOrEmpty(pair.Value.ToString()))
{
http.Query.Add(pair.Key, pair.Value.ToString());
}
}
foreach (var pair in request.Headers)
{
http.Headers.Add(pair.Key.ToLowerInvariant(), pair.Value.ToString());
}
if (request.HttpContext.Items.TryGetValue(HttpExtensionConstants.AzureWebJobsHttpRouteDataKey, out object routeData))
{
Dictionary <string, object> parameters = (Dictionary <string, object>)routeData;
foreach (var pair in parameters)
{
if (pair.Value != null)
{
http.Params.Add(pair.Key, pair.Value.ToString());
}
}
}
// parse ClaimsPrincipal if exists
if (request.HttpContext?.User?.Identities != null)
{
logger.LogDebug("HttpContext has ClaimsPrincipal; parsing to gRPC.");
foreach (var id in request.HttpContext.User.Identities)
{
var rpcClaimsIdentity = new RpcClaimsIdentity();
if (id.AuthenticationType != null)
{
rpcClaimsIdentity.AuthenticationType = new NullableString {
Value = id.AuthenticationType
};
}
if (id.NameClaimType != null)
{
rpcClaimsIdentity.NameClaimType = new NullableString {
Value = id.NameClaimType
};
}
if (id.RoleClaimType != null)
{
rpcClaimsIdentity.RoleClaimType = new NullableString {
Value = id.RoleClaimType
};
}
foreach (var claim in id.Claims)
{
if (claim.Type != null && claim.Value != null)
{
rpcClaimsIdentity.Claims.Add(new RpcClaim {
Value = claim.Value, Type = claim.Type
});
}
}
http.Identities.Add(rpcClaimsIdentity);
}
}
// parse request body as content-type
if (request.Body != null && request.ContentLength > 0)
{
if (IsBodyOnlySupported(capabilities))
{
PopulateBody(request, http, capabilities, logger);
}
else
{
PopulateBodyAndRawBody(request, http, capabilities, logger);
}
}
return(typedData);
}
public static InvocationRequest ToRpcInvocationRequest(this ScriptInvocationContext context, bool isTriggerMetadataPopulatedByWorker, ILogger logger, Capabilities capabilities)
{
InvocationRequest invocationRequest = new InvocationRequest()
{
FunctionId = context.FunctionMetadata.FunctionId,
InvocationId = context.ExecutionContext.InvocationId.ToString(),
TraceContext = GetRpcTraceContext(context.Traceparent, context.Tracestate, context.Attributes, logger),
};
foreach (var pair in context.BindingData)
{
if (pair.Value != null)
{
if ((pair.Value is HttpRequest) && isTriggerMetadataPopulatedByWorker)
{
continue;
}
invocationRequest.TriggerMetadata.Add(pair.Key, pair.Value.ToRpc(logger, capabilities));
}
}
foreach (var input in context.Inputs)
{
invocationRequest.InputData.Add(new ParameterBinding()
{
Name = input.name,
Data = input.val.ToRpc(logger, capabilities)
});
}
return(invocationRequest);
}