When using groovy's http-builder with basic authentication the default behavior is to send an unauthenticated request first and resend the request with credentials after receiving a 401 in the first place. Apache's Httpclient offers preemptive authentication to send the credentials directly on the first request. How can I use preemptive auth in Groovy's http-builder? Any code examples are appreciated.
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3 Answers
You can also solve it groovy style with
http = new RESTClient('http://awesomeUrl/')
http.headers['Authorization'] = 'Basic '+"myUsername:myPassword".getBytes('iso-8859-1').encodeBase64()
2 Comments
David V
Also,
getBytes('iso-8859-1') can be replaced by simply bytes.
andrybak
@tweber could you please clarify: what is the purpose of the encoding? is it somehow required by base64? or by the Basic auth protocol? Edit: hmm, this answer seems to address my question. Haven't wrapped my head around it yet though. Any answer would be appreciated.
Based on a JIRA issue you can do something like that :
def http = new RESTClient('http://awesomeUrl/')
http.client.addRequestInterceptor(new HttpRequestInterceptor() {
void process(HttpRequest httpRequest, HttpContext httpContext) {
httpRequest.addHeader('Authorization', 'Basic ' + 'myUsername:myPassword'.bytes.encodeBase64().toString())
}
})
def response = http.get(path: "aResource")
println response.data.text
1 Comment
ed209
beautiful. I was getting errant (and seemingly harmless, but annoying) 500 errors with Spring Security Grails plugin and basic auth without preemptive mode set. This fixed it. Note I had to add the following imports: import org.apache.http.HttpRequestInterceptor import org.apache.http.protocol.HttpContext import org.apache.http.HttpRequest
Used following with Jenkins.
def accessToken = "ACCESS_TOKEN".bytes.encodeBase64().toString()
def req = new URL("https://raw.githubusercontent.com/xxxx/something/hosts").openConnection();
req.setRequestProperty("Authorization", "Basic " + accessToken)
def content = req.getInputStream().getText()
