http-headers

JMeter Alter HTTP Headers During Test

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You can dynamically construct your authorization header using Beanshell PreProcessor as follows: Add empty HTTP Header Manager as a child of your request which requires authorization Add Beanshell PreProcessor as a child of the same request with the following code: import org.apache.jmeter.protocol.http.control.Header; sampler.getHeaderManager().add(new Header(“Authorization”,”Bearer ” + vars.get(“BEARER”))); This will construct fully dynamic header using BEARER … Read more

Which MIME type is correct for the .exe file?

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application/vnd.microsoft.portable-executable is a registered MIME type and its description matches what you want to use it for. The x- prefix in application/x-msdownload indicates that it is experimental so it should generally be avoided: Especially if something standard is available as it in in this case. application/octet-stream is for arbitrary collection of bytes. It does match … Read more

Is this statement correct? HTTP GET method always has no message body

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Neither restclient nor REST console support this but curl does. The original HTTP 1.1 specification says in section 4.3 A message-body MUST NOT be included in a request if the specification of the request method (section 5.1.1) does not allow sending an entity-body in requests. Section 5.1.1 redirects us to section 9.x for the various … Read more

Is it possible to send a 401 Unauthorized AND redirect (with a Location)?

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By definition (see RFC 2616), the HTTP 302 response code is the redirect code. Without it, the location header may be ignored. However, you can send an HTTP 401 response and still display output. Instead of redirecting the user to an error page, you could simply write your content you want to send in the … Read more

Operating System from User-Agent HTTP Header [closed]

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Here’s a quick list… let me know if I missed one you are interested in. http://www.geekpedia.com/code47_Detect-operating-system-from-user-agent-string.html: // Match user agent string with operating systems Windows 3.11 => Win16, Windows 95 => (Windows 95)|(Win95)|(Windows_95), Windows 98 => (Windows 98)|(Win98), Windows 2000 => (Windows NT 5.0)|(Windows 2000), Windows XP => (Windows NT 5.1)|(Windows XP), Windows Server 2003 … Read more

What is the most appropriate HTTP status code to return if a required header is missing?

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400 Bad Request It’s a user error in the request. Unlike with a 403, the client should be allowed to repeat their request, but only after modification: 10.4.1 400 Bad Request The request could not be understood by the server due to malformed syntax. The client SHOULD NOT repeat the request without modifications. Edit As … Read more

Set UserAgent in http request

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When creating your request use request.Header.Set(“key”, “value”): package main import ( “io” “log” “net/http” ) func main() { client := &http.Client{} req, err := http.NewRequest(“GET”, “http://httpbin.org/user-agent”, nil) if err != nil { log.Fatalln(err) } req.Header.Set(“User-Agent”, “Golang_Spider_Bot/3.0”) resp, err := client.Do(req) if err != nil { log.Fatalln(err) } defer resp.Body.Close() body, err := io.ReadAll(resp.Body) if err … Read more