javascript - How get Facebook token using Oauth2 with chrome.identity - Stack Overflow

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I'm using chrome.identity in a packaged app to get a user token using Facebook. I call chrome.identity.launchWebAuthFlow, and I need to take the access token, send it to the server, and then access token is used to verify the user.

Works great with Google+. But for some reason, it doesn't work for Facebook. For some reason, Facebook's OAuth appears to be special. I've added the extensionid.chromiumapp to the list of redirect URLs in the API. Added

"/*",
    "/*",
    "/",
    "/*"

to manifest.json. But nothing changed.

In calling chrome.identity.launchWebAuthFlow I use URL like this

"?" +
                   "client_id=myclientid&client_secret=myclientsecret&" + 
                  "response_type=token&grant_type=client_credentials"

When I try to invoke it, I get the following error message:

«launchWebAuthFlow pleted Object {message: "Authorization page could not be loaded."} »

And when I use URL like

«";redirect_uri==token&scope=user"» 

I get the next error:

«launchWebAuthFlow pleted Object {message: "User interaction required."} undefined »

I try to get facebook token in 4 days. I am tired. What I do wrong? Why chrome.identity.getAuthToken work great for Google+ and chrome.identity.launchWebAuthFlow dont with Facebook?

I hope someone have done the same things and can help me.

I'm using chrome.identity in a packaged app to get a user token using Facebook. I call chrome.identity.launchWebAuthFlow, and I need to take the access token, send it to the server, and then access token is used to verify the user.

Works great with Google+. But for some reason, it doesn't work for Facebook. For some reason, Facebook's OAuth appears to be special. I've added the extensionid.chromiumapp to the list of redirect URLs in the API. Added

"https://extensionid.chromiumapp/*",
    "https://facebook./*",
    "https://www.facebook./dialog/",
    "https://graph.facebook./*"

to manifest.json. But nothing changed.

In calling chrome.identity.launchWebAuthFlow I use URL like this

"https://www.facebook./dialog/oauth/access_token?" +
                   "client_id=myclientid&client_secret=myclientsecret&" + 
                  "response_type=token&grant_type=client_credentials"

When I try to invoke it, I get the following error message:

«launchWebAuthFlow pleted Object {message: "Authorization page could not be loaded."} »

And when I use URL like

«"https://www.facebook./dialog/oauth?client_id=myclientid&redirect_uri=https://myextensionid.chromiumapp/facebook.=token&scope=user"» 

I get the next error:

«launchWebAuthFlow pleted Object {message: "User interaction required."} undefined »

I try to get facebook token in 4 days. I am tired. What I do wrong? Why chrome.identity.getAuthToken work great for Google+ and chrome.identity.launchWebAuthFlow dont with Facebook?

I hope someone have done the same things and can help me.

• javascript
• google-chrome-extension
• oauth
• facebook-oauth
• facebook-access-token

Share Improve this question Follow asked Jan 23, 2014 at 15:30 user3215200user3215200 17111 silver badge55 bronze badges 3

• Doesn't "User interaction required." remind you anything? Did you use "interactive" flag when calling crome.identity.launchWebAuthFlow()? – Dmitrii Sorin Commented Jan 23, 2014 at 18:04
• I use — chrome.identity.launchWebAuthFlow({ 'interactive': false, 'url':authUrl}, function(token) {}); and — var authUrl = "facebook./dialog/oauth/access_token?"+ "client_id=myclientId&client_secret=myclientSecret&" + "response_type=token"; – user3215200 Commented Jan 23, 2014 at 20:07
• 1 Did you try changing "interactive" to true? – Dmitrii Sorin Commented Jan 24, 2014 at 15:36

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3 Answers 3

Sorted by: Reset to default 9

I have solved the problem. Here is an example https://github./blackgirl/Facebook_Oauth2_sample_for_extensions

The "User interaction required." message means that the user needs to sign in to Facebook, and/or approve the requested OAuth scopes. The setting the { interactive: true } flag would allow identity.launchWebAuthFlow to display a window where the user would perform these steps. Since you are passing the { interactive: false } flag, identity.lauchWebAuthFlow fails.

https://www.facebook./dialog/oauth is most likely the URL you want to use to start your flow. The client_credentials grants are normally for cases where you are accessing resources owned by your app, rather than resources owned by a specific user.

However if you did want to debug that "Authorization page could not be loaded" case, the way to do it would be to open up chrome://net-internals and look for error responses ing back from Facebook.

chrome.identity.launchWebAuthFlow(
{'url': 'https://www.facebook./dialog/oauth?client_id=myclientid&redirect_uri=https://myextensionid.chromiumapp/facebook.=token&scope=user, 'interactive': true},
function(redirect_url) { 
    /* Extract token from redirect_url */ 
    console.log(redirect_url);
});

//'interactive': true

what will this flag do, will show a dialog box asking username and password upon successful login it will ask for grant access just press that and you will receive redirect url in above function body.

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