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当我们尝试将页面输出到 facebook 标签时,Fat Free Framework 是否有一些限制?

我已经用下面的代码尝试过了,不幸的是,在 facebook 标签 iframe 中总是空白页。

<?php

$f3=require('app/lib/base.php');

require_once 'app/lib/fb/facebook.php';

$f3->route('GET /',
    function() {
        echo 'Hello';
    }
);
$f3->route('GET /landing',
    function() {
        $app_id = 'xxxx';
        $secret_key = 'yyyy';
        $page_id = 'zzzz';

        $config = array(
            'appId' => $app_id,
            'secret' => $secret_key
        );

        $fb = new Facebook($config);

        $fbdata = $fb->getSignedRequest();

        $fbInPage = false;
        if(!empty($fbdata) && is_array($fbdata)
            && !empty($fbdata['page']) && is_array($fbdata['page'])
            && !empty($fbdata['page']['id'])
        ) {
            $fbInPage = $fbdata['page']['id'];
        }

        // Check if user not in fb tab
        if(!$fbInPage) {
            // Redirect to facebook tab
            echo '<script>window.location.href="https://www.facebook.com/'.
                $page_id.
                '?sk=app_'.
                $app_id.
                '"</script>';
            exit;
        }

        // Get User ID
        $user = $fb->getUser();

        // Check if user not connected to facebook
        if ($user) {
            try {
                $user_data = $fb->api("/me");
            } catch (FacebookApiException $e) {
                $user_data = null;
            }
        } else {
            // Asking permission for email and user_likes
            $fb_login_url = $fb->getLoginUrl(array(
                'scope' => 'email, user_likes'
            ));

            echo '<script>top.location.href = "'.$fb_login_url.'"</script>';
            exit;
        }
    }
);

$f3->run();

首先,当用户尝试访问GET /landing时,它将重定向到 facebook 标签并显示页面GET /。但不知何故,它总是返回空页面,已经在 firefox 上使用 firebug 检查它并且没有错误,在响应选项卡上总是显示Reload the page to get source for: https://localhost/f3-fb/。已经在我的办公室框架中尝试过,并且效果很好。

如果有人遇到这个问题,请告知。

4

1 回答 1

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问题在于XFRAME,在默认 F3 上将值设置XFRAMESAME-ORIGIN,基于此文档,开发人员必须重载该值ALLOW-FROM uri

下面是 index.php 的完整代码:

<?php

$f3=require('app/lib/base.php');

require_once 'app/lib/fb/facebook.php';

$f3->set('XFRAME', 'ALLOW-FROM https://localhost/f3-fb/');

$f3->route('POST /',
    function() {
        echo 'Hello';
    }
);

$f3->route('GET /landing',
    function() {
        $app_id = 'xxxx';
        $secret_key = 'yyyy';
        $page_id = 'zzzz';

        $config = array(
            'appId' => $app_id,
            'secret' => $secret_key
        );

        $fb = new Facebook($config);

        $fbdata = $fb->getSignedRequest();

        $fbInPage = false;
        if(!empty($fbdata) && is_array($fbdata)
            && !empty($fbdata['page']) && is_array($fbdata['page'])
            && !empty($fbdata['page']['id'])
        ) {
            $fbInPage = $fbdata['page']['id'];
        }

        // Check if user not in fb tab
        if(!$fbInPage) {
            // Redirect to facebook tab
            echo '<script>window.location.href="https://www.facebook.com/'.
                $page_id.
                '?sk=app_'.
                $app_id.
                '"</script>';
            exit;
        }

        // Get User ID
        $user = $fb->getUser();

        // Check if user not connected to facebook
        if ($user) {
            try {
                $user_data = $fb->api("/me");
            } catch (FacebookApiException $e) {
                $user_data = null;
            }
        } else {
            // Asking permission for email and user_likes
            $fb_login_url = $fb->getLoginUrl(array(
                'scope' => 'email, user_likes'
            ));

            echo '<script>top.location.href = "'.$fb_login_url.'"</script>';
            exit;
        }
    }
);

$f3->run();

添加配置$f3->set('XFRAME', 'ALLOW-FROM https://localhost/f3-fb/');以允许在 facebook iframe 中包含此 url。

并始终POST用于 facebook iframe 内的路由(仍然不知道为什么必须将其与 F3 一起使用,但它会出现错误并要求POST路由)

于 2014-04-01T04:17:32.370 回答