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Authorization with Facebook Using Graph API and Coldfusion

Below is an alternative Coldfusion Facebook Authorization method to the earlier one that was published yesterday. This method is simpler and does not require much code.


You should create two file, one that will redirect the user of your application to Facebook API to get authenticated and then authorized, the first file is below:

    <!--- Your FB application IDS --->
    <cfset api_key = "xxxxxxx"/>
    <cfset secret_key = "xxxxxx"/>
    <cfset appID = "xxxxxx"/>
    <!--- Redirect to get authonticated and authrorized from facebook, in the redirect_uri you should write the url of your website where you want the user to be redirected after authroization --->
   <cflocation url="https://graph.facebook.com/oauth/authorize?client_id=#appID#&redirect_uri=http://www.sms4all.info/fb/login1.cfm" addtoken="no">

The second coldfusion file is the main page where the user will be redirected to, as an example I only retrieved the friends list of the authorized user:


     <cfset api_key = "xxxxxx"/>
    <cfset secret_key = "xxxxxx"/>
    <cfset appID = "xxxxx"/>
    <!--- Fetching the below URL will return to the application the access token which allows your application to access the users information --->
    <cfhttp url="https://graph.facebook.com/oauth/access_token" result="login1">
    <cfhttpparam name="client_id" value="#appID#" encoded="no" type="url">
    <cfhttpparam name="redirect_uri" value="http://www.sms4all.info/fb/login1.cfm" encoded="no" type="url">
    <cfhttpparam name="client_secret" value="#secret_key#" encoded="no" type="url">
    <cfhttpparam name="code" value="#url.code#" encoded="no" type="url">
    </cfhttp>
    <cfset accesstoken=login1.filecontent>
    <!--- Get FB User Friends --->
    <cfhttp url="https://graph.facebook.com/me/friends?#accesstoken#" result="friends"/>
    <cfif IsJSON(friends.filecontent)>
        <cfset friendsl=DeserializeJSON(friends.filecontent)>
        <cfdump var="#friendsl#">
    </cfif>
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Comments

  1. Anonymous17 February 2011 at 10:15

    Works great!! Thanks so much for sharing.

    ReplyDelete
  2. Anonymous16 April 2011 at 20:30

    Thanks, it works great!!

    ReplyDelete
  3. Teerasej8 June 2011 at 21:04

    Mustafa, Thank you for this clear and easy to understand tutorial! :)

    ReplyDelete
  4. Admin8 June 2011 at 23:08

    Your welcome.

    ReplyDelete
  5. omar10 June 2011 at 21:04

    Silly question but I've been trying for a few hours. How do you output the JSON without dumping it so that it can be formatted with HTML .

    ReplyDelete
  6. Admin10 June 2011 at 23:11

    Dear Omar, It is so easy you need to deserialize the JSON variable, then dump it to see the structure and if it has arrays. Then directly you may get the result easily by calling the struct and its sub-structs or arrays.

    ReplyDelete
  7. Miles Prunier15 May 2013 at 06:02

    Can I request the user's email with this method?

    ReplyDelete
    Replies
    1. Admin16 May 2013 at 10:33

      Please read the below post:
      http://blog.abusalah.info/2010/08/coldfusion-facebook-graph-api-publish.html

      and a list of permissions on the below post:
      https://developers.facebook.com/docs/reference/login/#permissions

      Delete

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