Google Reader API总结

刚刚完成了Google Reader上所有feed中图片自动下载脚本。
现在总结几点在网上找到不到tips：

1.to get all new item that in your google reader subscription

http://www.google.com/reader/api/0/stream/contents/user%2F{$user_id}%2Flabel%2FImages?ot={$last_month}&r=n&xt=user%2F{$user_id}%2Fstate%2Fcom.google%2Fread&n=500

ot: expire item timestamp
n: item numbers once request

*result is JSON format.

2.call google reader api to set "read" state which always getting 400 error from google.

to use POST method to fix 400 error.
POST URL: http://www.google.com/reader/api/0/edit-tag
POST FIELDS:a=user/{$user_id}/state/com.google/read&s={$feed}&i={$item_id}&T={$token}

现在我的小脚本正在疯狂下载中，哈哈哈哈哇。

to Get Google Reader Token codes

想写一个脚本把Google reader上我订阅的所有Feed里的图片抓下来（最近订了几个毛图站，哈哈）。看了Google Reader API，挺简单。但比较讨厌的是如果要设置一个read-listing里的item为已读，则要用到token。在网上找了一圈没有。。妈的，只好自己写。这个token不只是要Google登陆验证，有两个步骤，请看代码：

/*  ------- start code -------  */
   $authentication_url = 'https://www.google.com/accounts/ClientLogin';
 
   $ch = curl_init();
   curl_setopt($ch, CURLOPT_URL, $authentication_url);
   curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, FALSE);
   curl_setopt($ch, CURLOPT_HEADER, 0);
   curl_setopt($ch, CURLOPT_POST, true);
   curl_setopt($ch, CURLOPT_POSTFIELDS, "service=reader&Email=[your google account]&Passwd=[your pw]");
   ob_start();
   curl_exec($ch);
   $sid = ob_get_clean();
   curl_close($ch);

   $cookie = preg_replace('/[\r\n]/','; ',$sid);

   $ch = curl_init();
   curl_setopt($ch, CURLOPT_URL, 'http://www.google.com/reader/api/0/token');
   curl_setopt($ch, CURLOPT_HEADER, 0);
   curl_setopt($ch, CURLOPT_COOKIE, $cookie);
   ob_start();
   curl_exec($ch);
   $token = ob_get_clean();
   curl_close($ch);

   echo $token  //here you go baby.
/*  ------- end code -------  */