Login with facebook using coldfusion

Here is a example. How to make facebooklogin for a website using coldfusion?.

Before start you make a account with facebook.

Step 1 :
 Create a app for your website using facebooklogin.here you can get app_key and secret_key.

Step 2:

	<cfoutput>
	<!---You can fine app_key and secret_key by creating a account with facebook and make these by creating app for your website--->
	<cfset api_key = "408300609288755"/>
	<cfset secret_key = "86f3386be0df8c40dab97c8af3c0d237"/>
	<cfset appID = "408300609288755"/>
	<!--- Pass variable form here what you want to access form user account and redirect page for logininformation.
	for more help visit http://developers.facebook.com/docs/reference/login/
	--->
	<cflocation url="https://graph.facebook.com/oauth/authorize?client_id=#appID#&redirect_uri=http://www.thefutureminders.com/facebooklogin/loginInformation.cfm&scope=email,user_checkins,user_birthday" addtoken="no">
	</cfoutput>

view raw authentication.cfm hosted with ❤ by GitHub

	<!---Using Javascript --->
	<script>
	function GoAuthancation()
	{
	window.location =
	"http://thefutureminders.com/facebooklogin/authentication.cfm"; //Url for authencate facebook login(path for authencation file)
	}
	</script>
	<a href="javascript:GoAuthancation();">
	FaceBookL

view raw login.cfm hosted with ❤ by GitHub

Step 4:

 You can see this screen :
 

Step 5:
  After filling UserName and Password a screen show like this...
 

 After click ok the redirect to logininformation:-

	<cfoutput>
	<cfset api_key = "408300609288755"/>
	<cfset secret_key = "86f3386be0df8c40dab97c8af3c0d237"/>
	<cfset appID = "408300609288755"/>
	<cfhttp url="https://graph.facebook.com/oauth/access_token" result="GetAccessToken">
	<cfhttpparam name="client_id" value="#appID#" encoded="no" type="url">
	<!--- Form here You can redirect your page on dashboard (After Login Page) --->
	<cfhttpparam name="redirect_uri" value="http://www.thefutureminders.com/facebooklogin/loginInformation.cfm" encoded="no" type="url">
	<cfhttpparam name="client_secret" value="#secret_key#" encoded="no" type="url">
	<cfif IsDefined('url.code')>
	<cfhttpparam name="code" value="#url.code#" encoded="no" type="url">
	</cfif>
	</cfhttp>
	<cfif IsDefined('url.code')>
	<cfhttp url="https://graph.facebook.com/me?#GetAccessToken.filecontent#" result="loginInformation"></cfhttp>
	<cfset response = DeserializeJSON(loginInformation.filecontent) />
	<cfdump var = "#response#">
	<br />
	<br />
	<!--- This Information Is Used for insert in database --->
	<br />
	<br />
	<!---Member Login Information --->
	<table>
	<tr>
	<td>FaceBookUID</td>
	<td>#response.id#</td>
	</tr>
	<tr>
	<td>FaceBook ID</td>
	<td>#response.link#</td>
	</tr>
	<tr>
	<td>Name</td>
	<td>#response.name#</td>
	</tr>
	<tr>
	<td>Email</td>
	<td>
	#response.email#
	<cfset Email="#response.email#">
	</td>
	</tr>
	<tr>
	<td>First Name</td>
	<td>
	#response.first_name#
	<cfset FirstName="#response.first_name#">
	</td>
	</tr>
	<tr>
	<td>Last Name</td>
	<td>#response.last_name#
	<cfset LastName="#response.last_name#">
	</td>
	</tr>
	<tr>
	<td>Gender</td>
	<td>#response.gender#
	<cfif response.gender EQ "male">
	<cfset Gender=1>
	<cfelse>
	<cfset Gender=0>
	</cfif>
	</td>
	</tr>
	<cfif IsDefined('response.birthday')>
	<tr>
	<td>Birthday</td>
	<td>#response.birthday#
	<cfset BirthDate="#Day(response.birthday)#">
	<cfset BirthMonth="#left(MonthAsString(Month(response.birthday)),3)#">
	<cfset BirthYear="#Year(response.birthday)#">
	<cfelse>
	<cfset BirthDate="">
	<cfset BirthMonth="">
	<cfset BirthYear="">
	</td>
	</tr>
	</cfif>
	<cfif IsDefined('response.hometown.name')>
	<tr>
	<td>HomeTown</td>
	<td>#response.hometown.name#
	<cfset BirthCityNumber="#response.hometown.name#">
	<cfelse>
	<cfset BirthCityNumber="">
	</td>
	</tr>
	</cfif>
	<cfif IsDefined('response.relationship_status')>
	<tr>
	<td>Marital Status</td>
	<td>#response.relationship_status#</td>
	</tr>
	</cfif>
	<cfif IsDefined('response.location.name')>
	<tr>
	<td>Location</td>
	<td>#response.location.name#
	<cfset LivingCityNumber="#response.location.name#">
	<cfelse>
	<cfset LivingCityNumber="">
	</td>
	</tr>
	</cfif>
	<cfif IsDefined('response.bio')>
	<tr>
	<td>AboutMe</td>
	<td>#response.bio#</td>
	</tr>
	</cfif>
	</table>
	</cfif>
	</cfoutput>

view raw loginInformation.cfm hosted with ❤ by GitHub

Output in logininformation.cfm

 I hope this is useful for you. if you are facing any problem write us in comment. we are happy to solve that problem.

  For more details visit these links : -
  http://developers.facebook.com/docs/facebook-login/
  //Permissions
  http://developers.facebook.com/docs/reference/login/
  https://developers.facebook.com/docs/reference/api/user/