表单身份验证，保留会话Google Apps脚本

问题描述：

我有一个Google Apps脚本与外部程序进行通信。该程序需要验证身份验证：表单身份验证，保留会话Google Apps脚本

“POST方法应该用于此，内容类型应该设置为”application/x-www-form-urlencoded“。用户名应该在参数“用户名”，密码应在参数“密码”中给出。因此，POST数据将会像“用户名 = XXX & 密码 = YYY”。请记住，当不发送用户名和密码的每个请求，会话（或保持它的对象）应该保持活着。“

这是工作：

var payload = "_UserName_="+username+"&_Password_="+password 
var options = { 
"method" : "POST", 
"payload" : payload, 
"contentType" : "application/x-www-form-urlencoded" 
}; 

var xml = UrlFetchApp.fetch("https://start.application.nl/docs/XMLDivisions.aspx",  options);

但在这里我想作下一个请求：

var xml = UrlFetchApp.fetch("https://start.application.nl/docs/XMLDownload.aspx?PartnerKey="+partnerKey+"&Topic=Accounts");

但没有通过认证？

我该如何让GAS会话保持活跃状态？

工作示例使用PHP：

<?php 
$baseurl = "https://start.exactonline.nl"; 
$username = "<username>"; 
$password = "<password>"; 
$partnerkey = ""; /* If you have one, the partnerkey with or without curly braces */ 
$division = "<division code>"; /* Check the result of the first division retrieving for the division codes */ 
$cookiefile = "cookie.txt"; 
$crtbundlefile = "cacert.pem"; /* this can be downloaded from http://curl.haxx.se/docs/caextract.html */ 


/* Logging in */ 
$header[1] = "Cache-Control: private"; 
$header[2] = "Connection: Keep-Alive"; 

/* init, don't term until you're completely done with this session */ 
$ch = curl_init(); 

/* Set all options */ 
curl_setopt($ch, CURLOPT_POST, 1); 
curl_setopt($ch, CURLOPT_HTTPHEADER, $header); 
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1); 
curl_setopt($ch, CURLOPT_COOKIEJAR, $cookiefile); 
curl_setopt($ch, CURLOPT_CAINFO, $crtbundlefile); 
curl_setopt($ch, CURLOPT_POSTFIELDS, array("_UserName_"=>"$username", "_Password_"=>"$password")); 

/* Retrieving divisions, the current should be the one in which the user worked the last time */ 
$url = "$baseurl/docs/XMLDivisions.aspx"; 
curl_setopt($ch, CURLOPT_URL, $url); 
$result = curl_exec($ch); 

/* Switching divisions */ 
$url = "$baseurl/docs/ClearSession.aspx?Division=$division&Remember=3"; 
curl_setopt($ch, CURLOPT_URL, $url); 
$result = curl_exec($ch); 

/* Retrieving divisions, the current should now be the one supplied in the switching divisions. This is only the current for this session! */ 
$url = "$baseurl/docs/XMLDivisions.aspx"; 
curl_setopt($ch, CURLOPT_URL, $url); 
$result = curl_exec($ch); 

/* Upload an xml file */ 
$topic = "Invoices"; 
$url = "$baseurl/docs/XMLUpload.aspx?Topic=$topic&PartnerKey=$partnerkey"; 
curl_setopt($ch, CURLOPT_URL, $url); 
/* Send the xml along with the request */ 
$filename = "Invoices.xml"; 
$fp = fopen($filename, "r"); 
$xml = fread($fp, filesize($filename)); 
curl_setopt($ch, CURLOPT_POSTFIELDS, utf8_encode($xml)); 
$result = curl_exec($ch); 

/* Finally close as we're finished with this session */ 
curl_close($ch); 

echo $result; 
?>

是否有任何理由不重新发送第二个呼叫的有效载荷？ – Jonathon 2013-03-14 17:06:12

是的，这是一个调用XMLDownload获取数据。当我想发布内容时，需要将有效负载设置为XML数据。当我将有效负载与调用一起添加时，它是好的，但是我不能同时发送一个x-www-form-urlencoded用于auth和application/xml。 – 2013-03-14 19:32:27

这是如何使用PHP完成的： – 2013-03-14 19:47:57

答

我认为你缺少的cookie。

尝试这样：

var payload = "_UserName_="+username+"&_Password_="+password 
var options = { 
"method" : "POST", 
"payload" : payload, 
"contentType" : "application/x-www-form-urlencoded" 
}; 

var xml = UrlFetchApp.fetch("https://start.application.nl/docs/XMLDivisions.aspx",  options); 

var cookie = response.getAllHeaders()['Set-Cookie'];

然后，沿着你的其他准备头发送cookie中的第二个请求。

var header = {'Cookie':cookie}; 
var opt = {"headers":header}; 

var xml = UrlFetchApp.fetch("https://start.application.nl/docs/XMLDownload.aspx?PartnerKey="+partnerKey+"&Topic=Accounts",opts);

我认为应该工作，但有时服务器在cookie不是只需要会话，而且相同的IP地址应请求，在这种情况下，谷歌IP的有时会改变......

表单身份验证，保留会话Google Apps脚本

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