objective c - Authenticating on php script from iOS/iphone application -

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this php need authenticate:

<?php          $username=$_post["m_username"];         $password=$_post["m_password"]; /*               $username=$_get["m_username"];         $password=$_get["m_password"]; */  ?>

i using below code authenticate iphone app. not authenticating. dont know issue not working. says null parameters/values sent.

nsstring *urlasstring =[nsstring stringwithformat:@"http://www.myurl.com/abc/authenticate.php"];  nsurl *url = [nsurl urlwithstring:urlasstring];  nsmutableurlrequest *urlrequest = [nsmutableurlrequest requestwithurl:url];   [urlrequest settimeoutinterval:30.0f];  [urlrequest sethttpmethod:@"post"];  [urlrequest addvalue:@"test" forhttpheaderfield:@"m_username" ];  [urlrequest addvalue:@"123" forhttpheaderfield:@"m_password" ];  [[nsurlconnection alloc] initwithrequest:urlrequest delegate:self];  nsoperationqueue *queue = [[nsoperationqueue alloc] init];  [nsurlconnection sendasynchronousrequest:urlrequest queue:queue completionhandler:^(nsurlresponse *response,nsdata *data, nserror *error) {      if ([data length] >0 && error == nil){          html = [[nsstring alloc] initwithdata:data encoding:nsutf8stringencoding];          nslog(@"html = %@", html);          receiveddata = [nsmutabledata data];      }     else if ([data length] == 0 && error == nil){          nslog(@"nothing downloaded.");       }      else if (error != nil){          nslog(@"error happened = %@", error);     }  }];  // start loading data nsurlconnection *theconnection = [[nsurlconnection alloc] initwithrequest:urlrequest delegate:self]; if (theconnection)  {     // create nsmutabledata hold received data     receiveddata = [nsmutabledata data];  }  else {     // inform user connection failed.  } 

[urlrequest addvalue:@"test" forhttpheaderfield:@"m_username" ];  [urlrequest addvalue:@"123" forhttpheaderfield:@"m_password" ];

this problem. you're sending values http header fields, not post data. post data goes in request body, not header. php doesn't treat incoming post fields @ in $_post array. (those fields might turn in $_server array, though... i've never tried that. it's not preferred method sending post data, anyhow.)

do instead:

nsstring *myrequeststring = @"m_username=test&m_password=123"; nsdata *myrequestdata = [nsdata datawithbytes: [myrequeststring utf8string]                                          length: [myrequeststring length]];  [urlrequest sethttpbody: myrequestdata];

you can, obviously, compose myrequeststring formatted string, dropping in values user provides, if needed.

also note since you're hitting non-ssl url, data sent in clear, known kids these days bad idea.


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