tutorial for philsturgeon codeigniter-oauth2 library - codeigniter

I want to make a "sign in with twitter /facebook" web apps with codeigniter . It seems everybody suggest me to use https://github.com/philsturgeon/codeigniter-oauth2 library.
Is there any complete tutorial using that library ? or any alternative library with complete tutorial to use it?

A3M sounds like something you could use. It has normal user authentication, facebook, twitter, google, yahoo and openid.
Give it a try to see if it has what you need.
https://github.com/donjakobo/A3M

Related

xamarin.oauth /xamarin forms Facebook linkedin google authentification

I am new in Xamarin ,I am looking for a way to put facebook/linkedin/google authentication. I have looked at many tutorials but none of them is recent and there are not working well or there are obsolete.
Here is the tutorials, I have found: click to seeing the page
Do you know a recent and better one ?
There are many samples about how to authenticate users in facebook or google. And I find your article here in MSDN with a sample which runs in VS2015. Even though it's a little bit out of date, you can also find something useful.
You can also refer to the official documentation of Xamarin.OAuth and the sample here. Modify the information in Constants to your own's. This article specify how to register in Google and get the Client ID and Redirect URL.
You can read it more carefully then create your own UI to achieve authentication.

Rails4. Contacts importer from famous providers (Gmail, Facebook...)

Problem
Need to implement contacts importer/chooser on Rails4 project. Needed providers - Gmail, Facebook, Yahoo, LinkedIn, Outlook.
Researches
Tried omnicontacts and contacts gems but both has some limitations and maybe outdated for some providers.
There is commercial project which do this for you - CloudSponge , but I prefer open source.
Current Status
Implemented Linkedin contacts import using devise, omniauth, omniauth-linkedin.
Implemented Gmail contacts import using omnicontatcs.
Failed with other providers.
Queastion
Is there any other all-in-one solutions (maybe I missed something) which could be useful for my issue or I have to implement all things from scratch, maybe using already outdated gems/libs ?
Another thing I was thinking, maybe this task better to solve on client side using javascript libraries?
If you to try implement contacts importer in a do-it-youself way, the first goal will be proper learn OAuth2 and all the 4 authentication flows. I like this blog post explanation.
Then if you want to use a client-side-only solution for OAuth2, you'll need to use the Implicit flow.
For Google Contacts, you can find Implicit flow documentation here.
Disclaimer: I work for CloudSponge, and I'm a big fan of free/open-source solutions too. I even use Linux as my desktop :)

How can I use googles document editing services to my website?

I would like to be able to integrate google docs functions to my own website. How could I use googles api but store documents on my own server?
I have seen some solutions such as https://owncloud.com/owncloud-overview . But I was wondering if google had its own solution or if there is something better out there?
Not possible. At most you can sync them with your server.

How to Generate twitter oauth_signature in Ruby

How to Generate twitter oauth_signature in Ruby, I am not using any library like(Oauth, Twitter, twitter_oauth)
Your question is quite ambiguos.
You should start by reading Twitter dev's documentation on OAuth. There's even an example there with the OAuth gem. I used this gem for my code too and was able to authenticate with Twitter's API. After trying out some solution, come back for more specific questions.
I made a small twitter command line app: you can have a look at the code to see a more complex example.

Multi authorization with CodeIgniter

I have my own CodeIgniter webapp.
I want to add to my site the multi-authorization from Facebook, Google, Twitter and OpenID sites.
(like here - https://stackoverflow.com/users/login)
Is it possible with CodeIgniter?
P.S. I've found some extensions for CI, but they are single and there is no way to merge them.
Facebook uses oAuth2
Twitter uses oAuth
StackOverflow uses OpenID.
Merging 3 entirely different protocols is not easy work, which is why no easy solution exists. You'll have to get your hands dirty for this sadly.
The closest you'll get is:
https://github.com/elliothaughin/socialize
That is not tested and I'm not sure if Elliot ever got around to finishing it.
What is used in Stackoverflow is called OpenID. Knowing the name, you can search for OpenID+CI implementations and you'll find a couple of libraries out there, and I guess this is the latest one.

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