The HTTP OPTIONS request method is commonly used to ask a Web server which HTTP methods the server allows; servers typically respond with just a set of headers that includes the Allow header, whose value lists the allowed methods. The OPTIONS method is also a key part of the CORS protocol.
I am sending a GET request via text/plain and the OPTIONS request is sent before that. Why is that so?
xmlhttp.open("GET", url, true);
xmlhttp.setRequestHeader("Content-Type", "text/plain");
xmlhttp.setRequestHeader("partner",…
I have a web api in asp.net 4.5. I have installed nuget package for cors
and made corresponding code changes
in WebApiConfig.cs:
public static void Register(HttpConfiguration config)
{
// Web API configuration and services
…
I have an OpenuI5 webapp with a backand developed with Delphi Datasnap technology.
I use Upload Collection component to manage a list of fields https://openui5.hana.ondemand.com/explored.html#/entity/sap.m.UploadCollection/properties
The component,…
I'm using django rest framework version 3.3.2.
We use HyperlinkedRelatedField in hundreds of different places, and my problem is that this inherits a choices method through RelatedField which does the following:
class RelatedField(Field):
…
I have a spring-boot 1.3.0-BUILD-SNAPSHOT w/SpringSecurity project and I am concerned about security of the REST endpoints. I have a CORS Filter defined:
@Configuration
public class CorsConfiguration {
@Bean
public WebMvcConfigurer…
I've been banging my head against this all day. When trying to post to stackexchange from my webapp, I keep getting a 400 BAD REQUEST on my request. I've been using fiddler to try and spoof requests but I can't seem to get it to go through. Would…
I am using a javascript library which triggers jQuery-ajax post request to send a file to a specified rest url. This works perfectly on the same damain, but when I change it to another server it executes an OPTIONS request. Whats wrong?
I am using Flask. I'm lost as to how to add an "Accept-Patch" response to any OPTIONS requests my server might get.
Would it be something like this (I tried this and while it worked, I'm not sure if this is allowed):
class MyViewMixin(MethodView):
…
My Problem:
The browser does not allow the request to be sent because of the OPTIONS request failure.
The data sent with javascript and it looks like that:
var params = "grant_type=password&username=" + username + "&password=" + password;
…
I have a set of REST services that all follow same URL/verb pattern.
A few of those do not implement certain inessential combinations of URL/verb.
Since the application using those services does not know in advance which operations are implemented,…
I'm trying to find out the problem in a communication issue between my klient and a REST API.
I can identify the problem but I'm not sure what is exactly missing in the answer for the OPTION request.
My application is creating a HTTP POST what is…
I have a page served by HTTP. Client code sends AJAX-requests for authorization to the same domain, but on HTTPS. (so it is CORS).
FireFox generates this request: // domains and cookies are changed
OPTIONS /auth/registration/json/info/…
Note: I am new to Tomcat...
I am getting this message in the Tomcat localhost_access_log:
127.0.0.1 - - [09/Oct/2009:09:37:30 -0700] "OPTIONS /stl/foo HTTP/1.1" 200 -
Can anyone explain to me where the OPTIONS comes from? I am using a 3rd party…
The RFC 2616 HTTP/1.1 definition states that the following common HTTP methods exist:
GET, HEAD, POST, PUT, DELETE, TRACE, OPTIONS, CONNECT
But the System.Web.Mvc.HttpVerbs enum is missing TRACE, OPTIONS & CONNECT.
I've got an action filter which…
I have the following Viewset:
class My_ViewSet(viewsets.ModelViewSet):
serializer_class = My_Serializer
queryset = My_Object.objects.all()
def list(self, request):
# The code here is irrelevant
return Response()
def…
