objective c - iOS - How to get form data for an HTTP post -


when submitting http post using objective-c server, required form data entries include __viewstate, __eventvalidation, username, , password. user's username , password programmatically through ios application, hard-code __viewstate , __eventvalidation parameters looking @ entries through google chrome developer tools. problem once __viewstate , __eventvalidation parameters change, app defunct.

is possible __viewstate , __eventvalidation parameters programmatically, possibly storing them in cookie, or can send post request without them? need integrate javascript function xcode project?

it's related server-side logic because it's deal of client , server applications how use parameters, in in cases viewstate paramater given @ previous request. should not send first request. example:

  • request1, authorization — sending username, password. (may) return viewstate.
  • request2 — sending viewstate request1 , other parameters. (may) return new viewstate.
  • request3 — sending viewstate request2 , other parameters. (may) return new viewstate.
  • ...

i'm not aware __eventvalidation parameter can inspect actual traffic browser using debugging proxy tool such fiddler , try find out logic of it's usage.


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