1 <?php

     2 

     3 function yms_send_reply($result, $api_key = '', $extra = array())

     4 {

     5   header('Content-type: text/plain');

     6   

     7   global $g_api_key;

     8   

     9   if ( empty($api_key) )

    10     $api_key = $g_api_key;

    11   

    12   if ( empty($api_key) )

    13     $api_key = base64_encode("\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00");

    14   

    15   $now = gmdate("Y-m-d\TH:i:s");

    16   echo yms_generate_signed_response(array_merge($extra, array(

    17       't' => $now,

    18       'status' => $result

    19     )), $api_key);

    20   

    21   exit;

    22 }

    23 

    24 function yms_generate_signed_response($response, $api_key)

    25 {

    26   $hash = yms_val_sign($response, $api_key);

    27   $result = "h={$hash}\n";

    28   foreach ( $response as $key => $value )

    29   {

    30     $result .= "{$key}={$value}\n";

    31   }

    32   return trim($result);

    33 }

    34 

    35 function yms_val_sign($response, $api_key)

    36 {

    37   foreach ( array('h', 'title', 'auth') as $key )

    38     if ( isset($response[$key]) )

    39       unset($response[$key]);

    40     

    41   ksort($response);

    42   

    43   $signstr = array();

    44   foreach ( $response as $key => $value )

    45   {

    46     $signstr[] = "$key=$value";

    47   }

    48   

    49   $signstr = implode('&', $signstr);

    50   

    51   $api_key = yms_hex_encode(base64_decode($api_key));

    52   $hash = hmac_sha1($signstr, $api_key);

    53   $hash = yms_hex_decode($hash);

    54   $hash = base64_encode($hash);

    55   

    56   return $hash;

    57 }