Get linkedin Access Token with JavaScript SDK

Question

I am working on that application allow user to connect to linkedin (using javascript). I want to store access token that I got from IN.ENV.auth.oauth_token because I will use it to post to user's timeline.

But when I use this access token to post to Linkedin, I got "Invalid access token" error. Did I use correct access token? How's the correct way to get Access token?

Here's my code:

$("#linkedin-connect").on('click',function(e){  
    e.preventDefault();
    IN.UI.Authorize().place();
    IN.Event.on(IN, "auth", OnLinkedInAuth);  
    return false;
});

function OnLinkedInAuth() {
    console.debug("oauth token:" + IN.ENV.auth.oauth_token);
}

JSFiddle Example

Did you get that token from an OAuth authentication using the LinkedIn API? — Sumner Evans
– Sumner Evans, Commented Jul 22, 2015 at 3:47
I followed the instructions here developer.linkedin.com/docs/js-sdk. On the callback function I captured IN.ENV.auth.oauth_token; If its not the correct acces token, how's the correct way to get it? — sakura
– sakura, Commented Jul 22, 2015 at 7:40
The oauth tokens you get via JS api cannot be used server-side. I have debugged how JS uses them and they are passed via "oauth_token: ..." HTTP header instead of the "Authorization: Bearer ...". However when you try it that way from your server-side you will get the error "[unauthorized]. IP Address Mismatch" back from LinkedIn. Apparently they link the client IP address with the oauth token. Honestly I think the JS API is completely useless like this because if you can't verify/use the token server-side you basically cannot trust any of the information. — Arthur
– Arthur, Commented Jan 5, 2018 at 0:46

matiasfha · Accepted Answer · 2017-11-15 10:25:42Z

this event IN.Event.on(IN, "auth", OnLinkedInAuth); should pass some data to your function OnLikedInAuth as in shown in the documentation of the sdk.

<script type="text/javascript" src="//platform.linkedin.com/in.js">
    api_key: YOUR_API_KEY_HERE
    authorize: true
    onLoad: onLinkedInLoad
</script>

<script type="text/javascript">

// Setup an event listener to make an API call once auth is complete
function onLinkedInLoad() {
    IN.Event.on(IN, "auth", getProfileData);
}

// Handle the successful return from the API call
function onSuccess(data) {
    console.log(data);
}

// Handle an error response from the API call
function onError(error) {
    console.log(error);
}

// Use the API call wrapper to request the member's basic profile data
function getProfileData() {
    IN.API.Raw("/people/~").result(onSuccess).error(onError);
}

As that example (available in docs) the getProfileData (similar to your OnLinkedInAuth) returns a Promise and when it's resolved will give you some data that you need to read. In that object you will find the token that you can store (LocalStorage) and use

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