HTTP Call using Retrofit fails while same call in Chrome webbrowser works












1















I'm doing 2 HTTP get requests in Chrome webbrowser. I get back a PDF with the second Get call. When I do the same in an Android App using Retrofit and add the same headers and add the correct mgaParam query parameter, it sends back an Empty 200 OK with content-length = 0



@Headers(
"Content-Type: text/html",
"Upgrade-Insecure-Requests: 1",
"Connection: keep-alive",
"Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,image/apng,*/*;q=0.8",
"Accept-Encoding: gzip, deflate, br",
"Accept-Language: nl,en-US;q=0.9,en;q=0.8,fr;q=0.7,de;q=0.6,it;q=0.5",
"User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/70.0.3538.102 Safari/537.36",
"Referer: https://mijn.belastingdienst.nl/mbd-pmb/pmb.html"
)
@GET("onlineaangifte/ih/2015/olaib.html")
fun get2015TaxReturnToken(@Header("Cookie") cookie: String, @Query("mgaParam") token: String): Single<ResponseBody>


@Headers(
"Upgrade-Insecure-Requests: 1",
"Purpose: prefetch",
"Connection: keep-alive",
"Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,image/apng,*/*;q=0.8",
"Accept-Encoding: gzip, deflate, br",
"Accept-Language: nl,en-US;q=0.9,en;q=0.8,fr;q=0.7,de;q=0.6,it;q=0.5"
)
@GET("onlineaangifte/ih/2015/geef-afdruk.do")
fun get2015TaxReturn(@Header("Cookie") cookie: String): Single<ResponseBody>


Charles proxy also shows the PDF icon in the correct get call and in the wrong call it doesn't:



enter image description here










share|improve this question



























    1















    I'm doing 2 HTTP get requests in Chrome webbrowser. I get back a PDF with the second Get call. When I do the same in an Android App using Retrofit and add the same headers and add the correct mgaParam query parameter, it sends back an Empty 200 OK with content-length = 0



    @Headers(
    "Content-Type: text/html",
    "Upgrade-Insecure-Requests: 1",
    "Connection: keep-alive",
    "Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,image/apng,*/*;q=0.8",
    "Accept-Encoding: gzip, deflate, br",
    "Accept-Language: nl,en-US;q=0.9,en;q=0.8,fr;q=0.7,de;q=0.6,it;q=0.5",
    "User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/70.0.3538.102 Safari/537.36",
    "Referer: https://mijn.belastingdienst.nl/mbd-pmb/pmb.html"
    )
    @GET("onlineaangifte/ih/2015/olaib.html")
    fun get2015TaxReturnToken(@Header("Cookie") cookie: String, @Query("mgaParam") token: String): Single<ResponseBody>


    @Headers(
    "Upgrade-Insecure-Requests: 1",
    "Purpose: prefetch",
    "Connection: keep-alive",
    "Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,image/apng,*/*;q=0.8",
    "Accept-Encoding: gzip, deflate, br",
    "Accept-Language: nl,en-US;q=0.9,en;q=0.8,fr;q=0.7,de;q=0.6,it;q=0.5"
    )
    @GET("onlineaangifte/ih/2015/geef-afdruk.do")
    fun get2015TaxReturn(@Header("Cookie") cookie: String): Single<ResponseBody>


    Charles proxy also shows the PDF icon in the correct get call and in the wrong call it doesn't:



    enter image description here










    share|improve this question

























      1












      1








      1








      I'm doing 2 HTTP get requests in Chrome webbrowser. I get back a PDF with the second Get call. When I do the same in an Android App using Retrofit and add the same headers and add the correct mgaParam query parameter, it sends back an Empty 200 OK with content-length = 0



      @Headers(
      "Content-Type: text/html",
      "Upgrade-Insecure-Requests: 1",
      "Connection: keep-alive",
      "Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,image/apng,*/*;q=0.8",
      "Accept-Encoding: gzip, deflate, br",
      "Accept-Language: nl,en-US;q=0.9,en;q=0.8,fr;q=0.7,de;q=0.6,it;q=0.5",
      "User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/70.0.3538.102 Safari/537.36",
      "Referer: https://mijn.belastingdienst.nl/mbd-pmb/pmb.html"
      )
      @GET("onlineaangifte/ih/2015/olaib.html")
      fun get2015TaxReturnToken(@Header("Cookie") cookie: String, @Query("mgaParam") token: String): Single<ResponseBody>


      @Headers(
      "Upgrade-Insecure-Requests: 1",
      "Purpose: prefetch",
      "Connection: keep-alive",
      "Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,image/apng,*/*;q=0.8",
      "Accept-Encoding: gzip, deflate, br",
      "Accept-Language: nl,en-US;q=0.9,en;q=0.8,fr;q=0.7,de;q=0.6,it;q=0.5"
      )
      @GET("onlineaangifte/ih/2015/geef-afdruk.do")
      fun get2015TaxReturn(@Header("Cookie") cookie: String): Single<ResponseBody>


      Charles proxy also shows the PDF icon in the correct get call and in the wrong call it doesn't:



      enter image description here










      share|improve this question














      I'm doing 2 HTTP get requests in Chrome webbrowser. I get back a PDF with the second Get call. When I do the same in an Android App using Retrofit and add the same headers and add the correct mgaParam query parameter, it sends back an Empty 200 OK with content-length = 0



      @Headers(
      "Content-Type: text/html",
      "Upgrade-Insecure-Requests: 1",
      "Connection: keep-alive",
      "Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,image/apng,*/*;q=0.8",
      "Accept-Encoding: gzip, deflate, br",
      "Accept-Language: nl,en-US;q=0.9,en;q=0.8,fr;q=0.7,de;q=0.6,it;q=0.5",
      "User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/70.0.3538.102 Safari/537.36",
      "Referer: https://mijn.belastingdienst.nl/mbd-pmb/pmb.html"
      )
      @GET("onlineaangifte/ih/2015/olaib.html")
      fun get2015TaxReturnToken(@Header("Cookie") cookie: String, @Query("mgaParam") token: String): Single<ResponseBody>


      @Headers(
      "Upgrade-Insecure-Requests: 1",
      "Purpose: prefetch",
      "Connection: keep-alive",
      "Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,image/apng,*/*;q=0.8",
      "Accept-Encoding: gzip, deflate, br",
      "Accept-Language: nl,en-US;q=0.9,en;q=0.8,fr;q=0.7,de;q=0.6,it;q=0.5"
      )
      @GET("onlineaangifte/ih/2015/geef-afdruk.do")
      fun get2015TaxReturn(@Header("Cookie") cookie: String): Single<ResponseBody>


      Charles proxy also shows the PDF icon in the correct get call and in the wrong call it doesn't:



      enter image description here







      android retrofit charles






      share|improve this question













      share|improve this question











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      share|improve this question










      asked Nov 22 '18 at 19:15









      Jim ClermontsJim Clermonts

      35621032




      35621032
























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