我希望我们的网络应用能够使用离线访问权限更新用户墙。我此刻正在转圈,因为我似乎无法存储访问令牌。我已经尝试过使用example.php,但我没有保留会话(我想,请原谅我,我是新手)
我希望它的工作方式如下:
用户点击添加Facebook - 即我们的应用程序已获得用户批准(我可以使用图表api执行此操作)
返回令牌并将其保存在数据库中(这一点我正在努力解决)以便稍后启用帖子。
如果有人能给我一步一步的指导,我真的很感激。请不要只是将我重定向到Facebook的开发者页面。
答案 0 :(得分:1)
您使用javascript进行身份验证
FB.login(function(response) {
// As of Facebook's transition to OAuth 2.0 session has been replaced with authResponse
// See https://developers.facebook.com/blog/post/525/
// var access_token = response.session.access_token;
var access_token = null;
if (response.authResponse) {
access_token = response.authResponse.accessToken;
if (response.perms) {
// user is logged in, everithig is ok
} else {
// user is logged in, but did not grant any permissions
}
} else {
// user is not logged in
}
}, {perms:'read_stream,publish_stream,offline_access'});
您将在javascript变量access_token中获取访问令牌。您可以将此访问令牌保存在数据库中,然后使用以下代码发布到墙上
function graphStreamPublish(){
var body = document.getElementById("txtTextToPublish").value;
FB.api('/me/feed', 'post', { message: body }, function(response) {
if (!response || response.error) {
alert('Error occured');
} else {
alert('Post ID: ' + response.id);
}
});
}
或者,如果您想使用php sdk,请按以下步骤创建authentication.php。
<?php
$app_id = "YOUR_APP_ID";
$app_sec = "APP_SEC";
$canvas_page = "APP_CANVAS_PAGE_URL";
$scope = "&scope=user_photos,email,publish_stream"; $auth_url"http://www.facebook.com/dialog/oauth?client_id=" . $app_id . "&redirect_uri=" . urlencode($canvas_page).$scope;
$signed_request = $_REQUEST["signed_request"];
list($encoded_sig, $payload) = explode(".", $signed_request, 2);
$data = json_decode(base64_decode(strtr($payload, "-_", "+/")), true);
if (empty($data["user_id"])) {
echo(""); }
$access_token = $data["oauth_token"];
$user_id = $data["user_id"];
$user = json_decode(file_get_contents( "https://graph.facebook.com/me?access_token=" . $access_token));
function get_facebook_cookie($app_id, $application_secret) {
$args = array();
parse_str(trim($COOKIE["fbs" . $app_id], "\""), $args);
ksort($args);
$payload = "";
foreach ($args as $key => $value) {
if ($key != "sig") {
$payload .= $key . "=" . $value;
}
}
if (md5($payload . $application_secret) != $args["sig"]) {
return null;
}
return $args;
}
$cookie = get_facebook_cookie($app_id, $app_sec);
?>
在您需要发布到墙上的页面中包含此页面和facebook api页面(facebook.php)然后将代码发布到墙上
$attachment = array('message' => 'some meesgae',
'name' => 'This is my demo Facebook application!',
'caption' => "Caption of the Post",
'link' => 'mylink.com',
'description' => 'this is a description',
'actions' => array(array('name' => 'Get Search', 'link' => 'google.com')) );
$result = $facebook->api('/me/feed?access_token='.$access_token, 'post', $attachment);
我认为这很有用..
答案 1 :(得分:0)
我创建了一个简单的演示iframe应用程序,它使用facebook php sdk来完成所需的操作。
http://eagerfish.eu/using-facebook-off-line-access-to-post-on-users-wall/
希望它可以帮到某人。