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ColdFusion and Twitter OAuth

Posted on 2010-09-09
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Last Modified: 2012-05-10
I'm current writing a script that will get any new post from my forum and post it to our Twitter account. I had this script working before, but since Twitter moved to OAuth I need some help.

I'm using the following code

<cfset TwitterConsumerKey = "xxxxx">
<cfset TwitterConsumerSecret = "xxxx">
<cfset StoredAccessToken = "xxxxx">
<cfset StoredAccessSecret = "xxxx">

<cfset Twitter = createObject("java", "twitter4j.Twitter")>
<cfset Twitter.setOAuthConsumer(TwitterConsumerKey,TwitterConsumerSecret)>
<cfset Twitter.setOAuthAccessToken(StoredAccessToken,StoredAccessSecret)>
<cfset Twitter.updateStatus("My first custom Twitter update! Thanks @RobOBrien!")>

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Now if I use this code it does work. I don't see the difference since the StoredAccessToken, and StoredAccessSecret  is always the same. But this code now the user need to Accept the application.

<cfset Twitter = createObject("java", "twitter4j.Twitter")>
<cfset Twitter.setOAuthConsumer(TwitterConsumerKey,TwitterConsumerSecret)>
<cfif structKeyExists(url,'oauth_token') IS FALSE>
<!--- // 2. Authorize --->
	<cfset RequestToken = Twitter.getOAuthRequestToken()>
	<cfset Session.oAuthRequestToken = RequestToken.getToken()>
	<cfset Session.oAuthRequestTokenSecret = RequestToken.getTokenSecret()>
	<cflocation url="#RequestToken.getAuthorizationURL()#" addtoken="No">	
<cfelse>
	<!--- // 3. Authenticate // --->
	<cfset AccessToken = Twitter.getOAuthAccessToken(Session.oAuthRequestToken,Session.oAuthRequestTokenSecret)>
	<cfset session.StoredAccessToken = AccessToken.getToken()>
	<cfset session.StoredAccessSecret = AccessToken.getTokenSecret()>
    <cfset Twitter.setOAuthAccessToken(Session.StoredAccessToken,Session.StoredAccessSecret)>
	<cfset Twitter.updateStatus("My first custom Twitter update! Thanks @RobOBrien!")>
    <cfdump var="#session#">    
</cfif>

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Question by:Medrise
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Accepted Solution

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Kevin Cross earned 500 total points
ID: 33652117
My initial response was going to be that AccessToken/RequestToken are objects of their own and not just strings, but the method you are using does appear to take string literals as parameters, though it is listed as deprecated.  Per Rob O'brien tutorial on the topic, the credentials have to be stored in session or the like for reuse so maybe the issue is not object versus string, but local versus session scoped variable.

Try setting session level string literals and see if that works the same.  

Kevin
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Author Comment

by:Medrise
ID: 33663106
Kevin... you are correct.. they problem is with the session object... When I store the results in the session it works... but the problem is that my session will expire every 20 minutes... is it possible to store that permanently in the server?
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LVL 59

Expert Comment

by:Kevin Cross
ID: 33663525
Try storing it at the Application level.
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Author Comment

by:Medrise
ID: 33663731
How can I do that?

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LVL 59

Expert Comment

by:Kevin Cross
ID: 33663817
These are variables you access as Application.VariableName similar to Session.VariableName.  I am a bit of an old school ColdFusion developer (I need to get up-to-date as I miss CFML), so I would put them in the Application.CFM file.

http://livedocs.adobe.com/coldfusion/8/htmldocs/help.html?content=appFramework_16.html

However, it would appear that you need to use Application.CFC for newer versions of ColdFusion.

http://help.adobe.com/en_US/ColdFusion/9.0/CFMLRef/WSc3ff6d0ea77859461172e0811cbec22c24-750b.html

Hope that helps!
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Author Comment

by:Medrise
ID: 33663839
Thanks... that helped... :D
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LVL 59

Expert Comment

by:Kevin Cross
ID: 33663852
And this is probably a better reference for CF 9.x or higher:
http://help.adobe.com/en_US/ColdFusion/9.0/CFMLRef/WSc3ff6d0ea77859461172e0811cbec22c24-7d48.html

It shows using the onApplicationStart function of Application.CFC.  You will see in the code example that they set (at the start of the application) the values of two application scoped variables.

"Application.availableResources=0;
Application.counter1=1;"

You can reference those variables later on as #Application.availableResources# like you would your session variables.
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