php curlを使ったgoogle calendar 新規作成の実装

gistfile1.php

<?php

function doReq($url, $param = null, $auth = null, $atomreq = null) {
	//var_dump(array($url, $param, $auth));
	$header = array();
	$ch = curl_init();
	curl_setopt($ch, CURLOPT_URL, $url);
	curl_setopt($ch, CURLOPT_FOLLOWLOCATION, true);
	curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
	curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, 0);
	curl_setopt($ch, CURLOPT_VERBOSE, true);
	if ($param != null) {
		curl_setopt($ch, CURLOPT_POST, true);
		curl_setopt($ch, CURLOPT_POSTFIELDS, $param);
	} else if ($atomreq != null) {
		curl_setopt($ch, CURLOPT_POST, true);
		curl_setopt($ch, CURLOPT_POSTFIELDS, $atomreq);
		//一般的では無いオプション
		curl_setopt($ch, CURLOPT_CUSTOMREQUEST, "POST");
		curl_setopt($ch, CURLOPT_FAILONERROR, true);
		//curl_setopt($ch, CURLOPT_COOKIEJAR, "cookie");
		//curl_setopt($ch, CURLOPT_COOKIEFILE, "tmp");
		//
		$header[] = 'Content-Type: application/atom+xml;charset=UTF-8';
		$header[] = 'Accept: text/html, image/gif, image/jpeg, *; q=.2, */*; q=.2';
		$header[] = 'Pragma: no-cache';
		$header[] = 'Cache-Control: no-cache';
		$header[] = 'GData-Version: 2.0';
		$header[] = 'Content-Length: ' . strlen($atomreq);
		$header[] = 'User-Agent: withgod-sample-1';
		//とりあえず付けてみた
		$header[] = 'Accept-Encoding: gzip';
		$header[] = 'Connection: keep-alive';

	}
	if ($auth != null) {
		$header[] = "Authorization: GoogleLogin auth=$auth";
	}

	if (sizeof($header) > 0) {
		curl_setopt($ch, CURLOPT_HTTPHEADER, $header);
	}
	$ret = curl_exec($ch);
	curl_close($ch);
	return $ret;
}
function showCalendars($auth) {
	$list_obj = doReq("https://www.google.com/calendar/feeds/default/owncalendars/full", null, $auth);
	$list = simplexml_load_string($list_obj);
	print "calendar list\n";
	foreach ($list->entry as $entry) {
		var_dump(array((string)$entry->id, (string)$entry->title, (string)$entry->author->name));
	}
}
function getAuth() {
	$param = array(
		'accountType' => 'GOOGLE',
		'Email' => 'root@example.org',
		'Passwd' => 'passowrd',
		'source'=>'withgod-sample-1', 'service'=>'cl');
	$auth_ret = doReq("https://www.google.com/accounts/ClientLogin", $param);

	$tmp1 = preg_split("/[\r\n]+/", $auth_ret);
	$tmp2 = preg_split("/=/", $tmp1[2]);
	$auth = $tmp2[1];
	return $auth;
}
$auth = getAuth();
var_dump($auth);

showCalendars($auth);

$createRequest = "<?xml version='1.0' encoding='UTF-8'?><entry xmlns='http://www.w3.org/2005/Atom' xmlns:gAcl='http://schemas.google.com/acl/2007' xmlns:batch='http://schemas.google.com/gdata/batch' xmlns:gCal='http://schemas.google.com/gCal/2005' xmlns:gd='http://schemas.google.com/g/2005'><title>Little League Schedule2</title><atom:summary xmlns:atom='http://www.w3.org/2005/Atom'>xx This calendar contains the practice schedule and game times.</atom:summary><gCal:timezone value='America/Los_Angeles'/><gCal:hidden value='false'/><gCal:color value='#2952A3'/><gd:where rel='' label='' valueString='Oakland'/></entry>";

$create_obj = doReq("https://www.google.com/calendar/feeds/default/owncalendars/full", null, $auth, $createRequest);
//$create_obj = doReq("http://192.168.1.10:8081/", null, $auth, $createRequest);
var_dump($create_obj);
$create = simplexml_load_string($create_obj);
var_dump($create);

showCalendars($auth);
?>