Created
September 5, 2016 23:30
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FB re-request permissions. Not my solution, I found it on SO.
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<!doctype> | |
<html> | |
<head> | |
<title></title> | |
</head> | |
<body> | |
<fb:login-button data-scope="public_profile,email" onlogin="checkLoginState();" data-size="large"></fb:login-button> | |
<div id="status"></div> | |
<br/> | |
<fb:like data-share="true" data-width="450" data-show-faces="true"></fb:like> | |
<script> | |
/*CALLED AFTER FB LOGIN MODAL*/ | |
function checkLoginState() { | |
/*CHECK FOR DENIED PERMISSIONS*/ | |
FB.api('/me/permissions', function(response) { | |
var declined = []; | |
for (var i = response.data.length - 1; i >= 0; i--) { | |
if(response.data[i].status == 'declined'){declined.push(response.data[i].permission);} | |
}; | |
if(declined.length) | |
{ | |
var error_text = ERROR_MESSAGE; | |
console.info("EMAIL PERMISSION IS REQUIRED."); | |
document.getElementById('status').innerHTML = error_text; | |
/*YOU SHOULD LOGOUT SO YOU CAN RE-REQUEST PERMISSIONS*/ | |
FB.logout(function (response) { | |
console.info("LOGOUT."); | |
}) | |
/*NOTIFY USER YOU REQUEST SPECIFIC PERMISSION*/ | |
if(confirm(error_text)) | |
openLoginModal(); | |
} | |
else | |
{ | |
/*CONTINUE WITH LOGIN*/ | |
FB.getLoginStatus(function(response) { | |
statusChangeCallback(response); | |
}); | |
} | |
}); | |
} | |
/*OPEN LOGIN MODAL. 'RE-REQUEST PERMISSIONS'*/ | |
function openLoginModal() { | |
FB.login(function (response) { | |
if(response.authResponse) | |
checkLoginState(); | |
}, {scope: 'email', auth_type: 'rerequest'}); | |
} | |
/*SAME AS FB DOCS*/ | |
function statusChangeCallback(response) { | |
console.log('statusChangeCallback'); | |
console.log(response); | |
if (response.status === 'connected') { | |
requestFBInfo(); | |
} else if (response.status === 'not_authorized') { | |
/* The person is logged into Facebook, but not your app.*/ | |
document.getElementById('status').innerHTML = 'Please log ' + | |
'into this app.'; | |
} else { | |
/* The person is not logged into Facebook, so we're not sure if*/ | |
/* they are logged into this app or not.*/ | |
document.getElementById('status').innerHTML = 'Please log ' + | |
'into Facebook.'; | |
} | |
} | |
/* Here we run a very simple test of the Graph API after login is | |
successful. See statusChangeCallback() for when this call is made.*/ | |
/*SINCE GRAPH API V2.4 , YOU NEED TO SPECIFY FIELDS*/ | |
function requestFBInfo() { | |
console.log('Welcome! Fetching your information.... '); | |
FB.api('/me', {fields: 'id,name,email'}, function(response) { | |
console.log(response); | |
console.log('Successful login for: ' + response.name); | |
document.getElementById('status').innerHTML = | |
'Thanks for logging in, ' + response.name + '!. with email ' + response.email; | |
}); | |
} | |
var FBAppId = YOUR_APP_ID; | |
/*INICIAR FB SDK*/ | |
window.fbAsyncInit = function() { | |
FB.init({ | |
appId : FBAppId, | |
cookie : true, | |
status : true, | |
xfbml : true, | |
version : 'v2.7' | |
}); | |
}; | |
(function(d, s, id){ | |
var js, fjs = d.getElementsByTagName(s)[0];/*TOMARA EL PRIMER TAG EN BODY*/ | |
if (d.getElementById(id)) {return;} | |
js = d.createElement(s); js.id = id; | |
js.src = "//connect.facebook.net/es_LA/sdk.js"; | |
fjs.parentNode.insertBefore(js, fjs); | |
}(document, 'script', 'facebook-jssdk')); | |
</script> | |
</body> | |
</html> |
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