I had a discussion with a friend today and he claimed that by using some Facebook Social Plugins on your site, you could find out Facebook profile information about the visitor of your website (if he or she is logged in to facebook).
I claimed there is no way that's possible in javascript, beceause of the "same origin policy". I am right? Or maybe there's a way using ajax, flash or canvas?
If possible I think people should be aware of it :)
The plugins operate by creating an iframe, so there is no way for your website to get this information via javascript. The only way to get information about the logged-in facebook user is if the user authorizes your application.
Related
So here's my use case:
A user sees a cool product on a shopping website (sample-shopping-site.com)
They want to share this product with their friends on facebook
They however want to pass the information to an intermediary site (a-sharing-app.com - that i'm trying to develop), that posts to facebook on my behalf.
My questions:
Is this even allowed by facebook? i.e. can a-sharing-app.com put a widget on sample-shopping-site.com, so that a person visiting sample-shopping-site.com can share on facebook via a-sharing-app.com?
If yes, could you point me to helpful bits on the facebook developers API page?
Just want to clarify: the APIs and most questions/examples on the internet point towards sharing directly from sample-shopping-site.com to facebook, by registering sample-shopping-site.com as an App with facebook.
I however want to register a-sharing-app.com as an App, and then putting a widget of a-sharing-app.com on any page (such as sample-shopping-site.com) allows me to share on facebook by passing information to a-sharing-app.com
As far as I know there is no Facebook guidelines that restrict what you want to achieve, so I may safely say that yes, you can create an app so that a person visiting sample-shopping-site.com can share on facebook via a-sharing-app.com . I can even mention a well know service that is doing the same, Disqus.
How you can implement this feature is a little up to you but may I suggest what Disqus or apps like it are doing is, they use the JavaScript API of Facebook to integrate and are mostly enabled within an iframe that loads content from their domain. The exchange of information between sample-shopping-site.com and a-sharing-app.com is done by the JavaScript loader which loads the necessary iframe then. The other things you would like to check would be Dialogs which you may use for different cases, or you may do it on your own using the FB.api and make API calls to the Graph API for sharing data.
I have web portal. I need to somehow get all Facebook wall posts from just one specific user or group( that represents my web portal). I need to have wall posts available on my web portal for further processing.
I will be also needing an option for posting messages from web portal to FB user/group wall.
I haven`t worked with FB API until now, so any materials, tutorials that can lead me in right direction would be of great help.
Can this be done without creating Facebook application?
Thank you
No,
Facebook just like that does not share its user information.
you will have to create an app on facebook to authorize urself,and on your web portal you will have to sek users permission before getting any user info.
craete facebook app here https://developers.facebook.com/apps
You can choose between javascript sdk and graph api on how you want to get user data.
You can use publish_stream permisiion to get the post on user wall.
Can this be done without creating Facebook application?
NO
Tutorials and materials:
Graph API
Samples & How-Tos
Google, but I would be careful here. Try to search for updated tutorials (written or updated on 2011)
I used this http://neosmart.de/social-media/facebook-wall its fb.wall plugin into jQuery .js library. It easy and can be edited symply via CSS
I'd like to know if there is a possibility to check (using Graph API or any other way) whether given user likes / shares a specific link. Probably I'll have this user's facebook ID or facebook login, but my site is non-Facebook application. Actually it's Dot Net Nuke portal (target: .NET with MS SQL Server) with part of it being avaliable as Facebook app, but certainly not greater part of it, so the solution should be out of Facebook Connect, although it's not a showstopper if it's necessary.
We'll be giving points to users who share/like most of links that we serve in our portal and such possibility would be a great help to make a ranking.
Another option we consider is making some kind of "wrapper" or proxy for FB like / share buttons which will at first save some data in our database (probably - this user clicked on like for this link) and then go on with standard FB like / share route. Did anybody of You tried such solution?
If You have any other suggestion on the subject, please, post them, we'll be really thankful.
It is possible to know if a user has LIKED a site or not. You can get all user's likes with Graph API (you need user_likes permission). Take a look at the docs: http://developers.facebook.com/docs/reference/api/user/
I'm not sure if you can know if he has shared your site, but you could try by parsing his wall with the read_stream permission and then look for your site name/URL post by post.
For just general liking of items on your site, you can use a Facebook Social Plugin. However, you won't be able to associate (or really even access) user activity with users on your site without integrating Facebook Connect and creating a Facebook application for your site. At that point you can design with greater control all the possible user activity and interleave with your facebook calls other calls that affect users' accounts on your site.
My aim is to make a facebook fanpage for a client who wants his blogposts to automatically show up on his fanpage.
I've already read several posts here in the forums. I've tried several methods to auto-publish wordpress posts to a fanpage in facebook.(notes, ...) The last method I used was making an app and using the "Simple Facebook Connect" plugin for wp.
I got quite confusing with this. I have an app called "myClient" and a fanpage called "myClient". If I publish a blogpost, it automatically shows up on the fanpage but "via myClient". Is there a way on get rid of the facebook app? I don't want to show up the via-sentences because the app is just the connection between wp and fb and has no content at all (the content is on the fanpage)
Hopefully you can help me with that!
Thanks in advance.
Whenever you want to publish something on Facebook, you need a Facebook Application as it's the "trusted" connection between your source and Facebook (this is why you have the App Secret and all the authentication/authorization process..etc).
So, How to auto-publish wordpress post to facebook fanpage without a facebook app?
You can't! But what you can do is changing the App name to something the Client would agree on (and not being "already taken", of course!).
You can use the notes facility available. It is updated when the RSS address you provide updates.
Actually there is a way to get rid of the Facebook App - by using third parties automatic Facebook publishing tools like ZapRobot - in that way you actually lean on someone else's FB API APP. Note that then you give "manage_pages" permission to the third party. The process should be:
1) Register with ZapRobot - this is a Facebook login, you give them posting rights to your page
2) Define a job that posts A LINK (ignore their categories) while the link is pointing to the RECENT wordpress item on your blog
Good luck :-)
I've done a little searching and was wondering if there is a way to link a users account in our web app with their social media accounts they choose to link (facebook, twitter, etc). i.e. when they log into our web app they are auto logged into facebook, twitter, etc?
I see facebook has an api to login to our web app using their facebook book account but I want it to work the other way around, I want them logged into facebook when they log into their account via our web app.
Thanks,
Ryan
It is definitely possible-from your question I assume you would like to pull data and make actions on behalf of a user? If so, you will need the offline_access permission as well as all the other permissions you will need (check out the list here to see exactly which ones you require). Then, you can trigger a script on your server that tell facebook as soon as the user is logged in to your site, to log in your application as the user as well.
NOTE: You might be going about this in the wrong way. I would advise that you specify a bit more details on what exactly you need the user to be logged in for, and I can (probably) provide you with a decent answer.
EDIT: In response to your question in the comment, Ryan, here is my answer:
You need to divide this problem into 2 different situations-one: your company wants you to write all the code from scratch and don't use what facebook has to offer, in which case you should create a custom login script that enables your users to use their facebook account as the Actual user account in your web app. This is the best solution in my opinion, and is supported by the ever-so-awesome Jeff Atwood. Here's a link to how to do just this, and a tutorial about this also.
Or your company is comfortable with using Facebook's Social Plugins.
Then you should focus on Like Button & Comments : These social plugins are the best way to enable people to create social experiences if they're already logged in.