如何以編程方式創建Google提醒

Question

我可以使用C＃以編程方式創建Google提醒（http://www.google.com/alerts），並使用該提要在asp.net應用程序中顯示嗎？我知道Google沒有提供這樣做的API。我需要你的建議/想法。

在此先感謝，

Answer 1

由於這只是一個HTML形式的職位，以http://www.google.com/alerts/create?gl=us&hl=en（本地化當然不談，），你可以編程式地做同樣的事情。因爲（如你所說）沒有公開的API，這個頁面/表單/ URL /等的任何部分。可隨時更改，並破壞您的申請。

Answer 2

對不起，這不是C＃，但應該是任何人想要實現這樣的事情的幫助。此PHP代碼創建Feed並返回RSS網址以供使用。

基於此頁面代碼：

Login to Google with PHP and Curl, Cookie turned off?

function createAlert($search) { 

     $USERNAME = 'EMAIL_ADDRESS'; 
     $PASSWORD = 'PASSWORD'; 
     $COOKIEFILE = 'cookies.txt'; 

     $ch = curl_init(); 
     curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, 30); 
     curl_setopt($ch, CURLOPT_USERAGENT, "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1)"); 
     curl_setopt($ch, CURLOPT_RETURNTRANSFER, true); 
     curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false); 
     curl_setopt($ch, CURLOPT_FOLLOWLOCATION, 1); 
     curl_setopt($ch, CURLOPT_COOKIEJAR, $COOKIEFILE); 
     curl_setopt($ch, CURLOPT_COOKIEFILE, $COOKIEFILE); 
     curl_setopt($ch, CURLOPT_HEADER, 0); 
     curl_setopt($ch, CURLOPT_RETURNTRANSFER,1); 
     curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, 120); 
     curl_setopt($ch, CURLOPT_TIMEOUT, 120); 

     curl_setopt($ch, CURLOPT_URL, 
     'https://accounts.google.com/ServiceLogin?hl=en&service=alerts&continue=http://www.google.com/alerts/manage'); 
     $data = curl_exec($ch); 

     $formFields = $this->getFormFields($data); 

     $formFields['Email'] = $USERNAME; 
     $formFields['Passwd'] = $PASSWORD; 
     unset($formFields['PersistentCookie']); 

     $post_string = ''; 
     foreach($formFields as $key => $value) { 
     $post_string .= $key . '=' . urlencode($value) . '&'; 
     } 

     $post_string = substr($post_string, 0, -1); 

     curl_setopt($ch, CURLOPT_URL, 'https://accounts.google.com/ServiceLoginAuth'); 
     curl_setopt($ch, CURLOPT_POST, 1); 
     curl_setopt($ch, CURLOPT_POSTFIELDS, $post_string); 

     $result = curl_exec($ch); 

     if (strpos($result, '<title>Redirecting') === false) { 
      var_dump($result); 
      die("Login failed"); 
     } else { 
      curl_setopt($ch, CURLOPT_URL, 'http://www.google.com/alerts'); 
      curl_setopt($ch, CURLOPT_POST, 0); 
      curl_setopt($ch, CURLOPT_POSTFIELDS, null); 

      $result = curl_exec($ch); 

      // Create alert 

      preg_match('/<input type="hidden" name="x" value="([^"]+)"/', $result, $matches); 

      $post = array(
       "x" => $matches[1],  // anti-XSRF key 
       "q" => $search,  // Search term 
       "t" => 7,  // Result type (everything) 
       "f" => 1,  // Frequency (once a day) 
       "l" => 1,  // How many (all results) 
       "e" => "feed"  // Type of delivery (RSS) 
      ); 

      $post_string = ''; 

      foreach($post as $key => $value) { 
       $post_string .= $key . '=' . urlencode($value) . '&'; 
      } 

      $post_string = substr($post_string, 0, -1); 

      curl_setopt($ch, CURLOPT_URL, 'http://www.google.com/alerts/create'); 
      curl_setopt($ch, CURLOPT_POST, 1); 
      curl_setopt($ch, CURLOPT_POSTFIELDS, $post_string); 

      $result = curl_exec($ch); 
      $matches = array(); 
      preg_match('#<a href="(http://www.google.com/alerts/feeds/[\d/]+)"#', $result, $matches); 

      $top_alert = $matches[1]; 

      return $top_alert; 
     } 
    } 


    function getFormFields($data) 
    { 
     if (preg_match('/(<form.*?id=.?gaia_loginform.*?<\/form>)/is', $data, $matches)) { 
      $inputs = $this->getInputs($matches[1]); 

      return $inputs; 
     } else { 
      die("didn't find login form"); 
     } 
    } 

    function getInputs($form) 
    { 
     $inputs = array(); 

     $elements = preg_match_all('/(<input[^>]+>)/is', $form, $matches); 

     if ($elements > 0) { 
      for($i = 0; $i < $elements; $i++) { 
       $el = preg_replace('/\s{2,}/', ' ', $matches[1][$i]); 

       if (preg_match('/name=(?:["\'])?([^"\'\s]*)/i', $el, $name)) { 
        $name = $name[1]; 
        $value = ''; 

        if (preg_match('/value=(?:["\'])?([^"\'\s]*)/i', $el, $value)) { 
         $value = $value[1]; 
        } 

        $inputs[$name] = $value; 
       } 
      } 
     } 

     return $inputs; 
    }