Posting status on facebook - php

I have created a facebook application.
It's working only for my account means i can send message on my account only.
How it will be possible that users inputs their access_token and message and that
will be authenticated via that access_token and message should be
sent on that particular user's account through my facebook application.
In sort I want to post status on facebook using only access_token of a user.
I have done same for Twitter and that is working fine.
Can anyone help me?

Here's the process I have used for one of my Facebook applications to make wall posts from a user [of my application] to one of their friends:
Authenticate the user via the process described in the Authentication section of the documentation
Store the access_token (keyed against the Facebook user ID) returned after your call to https://graph.facebook.com/oauth/access_token
When you need to post to the wall of one of the user's friends, lookup the access_token you stored in Step 2 above and call the Graph API (as described in the "Publishing" sub-section of the Post section of the documentation) with it.
Please note: you will need to request the 'offline_access' extended permission to use the token after the user has logged out of Facebook. Also, Facebook do impose limits for the number of requests you can make per user per day. Theoretically, this should grow with your application but I've experienced problems before where this hasn't happened. You can check your current limits at:
http://www.facebook.com/business/insights/app.php?id=[app_id]&tab=allocations

Related

LinkedIn API get other user's information

I'm developing an application that uses the LinkedIn API (and other social networks') to retrieve the messages you receive in yout timeline and get other user's information.
I know that I can't get that information over a user since the last API update thay made, but I'd like to know if that's possible from a company page. I can get the updates I've made on the page and my user profile but what I want is to get the user's profile from a person that makes a like in one of my publications (to put and example).
Is that possible like with the Facebook API and Twitter API or I can only access to information from the user that is authenticated in the application?
Thank you.
In general, only You can get that information with authenticated users in the application.
As for LinkedIn, I don't know if you know that from May 12 (if I remember correctly) LinkedIn API is changed.
Changes in Linkedin API

Automatically post on wall - Facebook Graph API PHP SDK v4

I'm building an application for an event so they can directly post their news messages on facebook. I'm trying to use de php SDK V4 for this but there are some parts of the login process I don't understand (still couldn't find a solution after searching for several hours).
My Problem is in the login process. First you have to specify which applicaton you are and give your application secret. Than you have to login to facebook with an account.
But which account should I use for that? The one of their event? Mine?
(I'm an admin of the events page) (this means that all messages will
be posted from mine account while i'm not the poster...sounds pretty
weird..)
Which method should I use to login into facebook? There is a veriaty of methonds like the FacebookRedirectLoginHelper(), the FacebookCanvasLoginHelper() or the Javascript one. However as far is I understand all these helpers for your users to login to their facebook accounts and that's not what I want.
During my search I found some an example of someone who is making a similar system (Facebook Graph API PHP SDK v4 - Post on Page). He/She uses the folowing piece of code for getting a facebook session:
FacebookSession::setDefaultApplication('{APP ID}','{APP SECRET}');
$session = new FacebookSession('{Page Access Token}');
This suggests that you don't need to login into facebook by user but only need a Page Acces Token. However if I understand it correctly (correct me if I'm wrong), to get a Page Acces Token, you first need an User Acces Token (https://developers.facebook.com/docs/facebook-login/access-tokens/#pagetokens). To get an User Acces Token you should be logged in, and than we're back to question 1 and 2 in the beginning of my story.
Or can I just get a Page Acces Token using the following api request (according to https://developers.facebook.com/docs/facebook-login/access-tokens/#pagetokens)
GET /{user-id}/accounts
Using a random user-id as long as the page admin gave this user permission to generate such a token (so the user related to "user-id" shouldn't be logged in while retrieving the Page Acces Token?) .
Sounds like you'll need to use the following flow:
Have the page admin log in with their Facebook account. Make sure to request the manage_pages extended permission. This will give you access to the pages they admin.
Once they grant access to your app, you'll get a short lived user access token. Exchange it for a long lived user access token.
Get the list of the user's pages with /me/accounts. Each page will have an access_token field returned with it. These are all page access tokens. We want to use a long lived user access token to get this list so that all the page access tokens returned will not have an expiration date. They live forever! :)
Use the page access token to post to the wall of the page if you want to post as that page. Use the user access token to post to the wall of the page if you want to post as that user.
And the Facebook Query Builder might make this whole process a lot easier. :)
Hope that helps!

What Facebook info do I save to post on the wall later?

I have a site that needs to post to a user's Facebook wall right away, and at some later point (which can be anywhere from 1 hour to 3 days later, at any time day or night), post another message to the user's wall.
To do this, I explain clearly to the user what's going to happen, then I connect to their Facebook account asking for publishing permissions (generating the permissions dialog for the user). At that point I can post the 1st message to their wall immediately. Later, when it's time to post the 2nd message to their wall (which again could be any time, the user is long gone), my server will receive a message. I will tag this message with some identifying information (for example, the user's Facebook user ID number) so I know whose wall to post to.
My question is, what specifically do I need to save in my local DB about their Facebook connection, so I can make the 2nd post (at some undefined point in the future, when the user is gone)?
I'm using the FB JS API and using FB.login to log into Facebook with the permissions I need, etc. The server side code is in PHP, so after JS retrieves them, I can send whatever credentials I need to save over to PHP code (via Ajax) to store in the local database.
For publishing the 2nd message, it will be all PHP (using the Facebook PHP SDK) since there is no user at the console/no Javascript involved.
I believe the answer I'm seeking should look something like:
When you initially connect to Facebook and the user grants permission to publish, Facebook will return xyz credential data. You need to store that info in your local database. Use the FB user ID as the key.
When you are ready to publish the 2nd message and your PHP script kicks in, retrieve xyz information from the database (using the FB user ID), then use the xyz call in the FB PHP SDK to actually publish what you want to post on their wall.
Thanks!
The steps are quite straight-forward. Let me explain-
Publishing a post, requires an access token; and once a user has authorized your application to post on your behalf, you can post on his behalf using the app access token. That it! So here are the steps-
When user authorized your app successfully to post on his behalf, just save his/her facebook id in your database.
Use the access token which is nothing but app-id|app-secret(beware, dont expose this on client side ever), to publish on his/her wall. Just like-
$response = $facebook->api(
"/me/feed",
"POST",
array (
'message' => 'This is a test message',
....
'access_token' => "app-access-token"
)
);
But things to consider:
While authorizing, the user may/may not give you the permission to post, you can check that with /me/permissions just after the authorization step; so you should act accordingly.
At any time later, the user can delete your app, or remove the permissions of your app from the app settings. In that case your posting script while give you the authorization error; in that case too handle appropriately.

Post offline/without login using Facebook SDK PHP

I need implement a functionality in save/update function, of my customers system:
In each save/update, I need get this informations, and send to a Facebook Page (every the same Page).
But my problem is: this system is used by a lot users, and some users do not have a Facebook account, so: How can I post in same Page without login?
I know the offline_access are removed, so, what the best solution in this situation?
I don't find any way, to get the Page Access Token
I create some APP in my personal account of Facebook, but, when I try post in this Page, I get a access unauthorized for this user/app
Sorry for my english.
For you to post updates on to the Page's feed there are few things you would require
An User with administrative or content publishing permission to atuhorize your application with manage_pages Extended permissions. If you have implemented the login, you can add these permissions there, or alternatively you can use Graph Explorer with your application selected to get started.
After you have been authorized then you can retrieve the Page Access Token by querying /me/accounts which would return data as shown in this documentation. You can then utilize the access token you retrieve for the corresponding page to do your job of posting updates.

is it possible to share a message when offline with linkedin api

is it possible to store the id of a user who grants permission to accept the app and then post a "share" when the user completes an action but they are not logged into linkedin? i have done this with facebook but currently struggling to get my head around the oauth/linked in libraries.
Yes, once the user has authorized your application, you can store the user's oauth tokens and use those to update LinkedIn via the API when a user trigers a share/update, etc.
The only trick is to cover yourself in the case that the user rejects your application's access rights; filter all responses from the LinkedIn API looking for an error indicating that the access token is no longer valid (you should be doing this filtering anyways for throttling issues).
LINKEDIN API has no proper documentation..as to how i can use it..sample code which is provided SKuS

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