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POSend user details (session token) within every AJAX requests (Sencha Touch 2)
 

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  1. POSend user details (session token) within every AJAX requests (Sencha Touch 2)
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    <p>i am building a Sencha Touch 2 Application with userspecific datasets. </p> <h3>Architecture of the App:</h3> <p>Sencha Touch App &lt;=====> Java Server backend with REST Services ( many AJAX requests =) )</p> <p>What i actually have is:</p> <ul> <li>Login the user with username/password <blockquote> <p>The app gets initialized and the loginform comes into play. After submitting the form as a AJAX request, the server backend checks the userdata and calls the client callback function. </p> </blockquote></li> </ul> <p>And what i want to do is:</p> <ul> <li>The callback function should <ol> <li>create a cookie with the sessiontoken <em>or</em></li> <li>store the sessiontoken within the localstorage (<a href="http://docs.sencha.com/touch/2-0/#!/api/Ext.data.proxy.LocalStorage" rel="noreferrer">http://docs.sencha.com/touch/2-0/#!/api/Ext.data.proxy.LocalStorage</a>) <em>or</em></li> <li>store the sessiontoken within js variable</li> </ol></li> </ul> <p>Okay, shouldn't be the problem.</p> <p><strong>But how can i achieve the following:</strong></p> <p>Most of the data is <em>specific for one user</em> and should be returned by the REST service if needed (by clicking on the navigation,...). How can i send the sessiontoken (see above) within every AJAX request - so the server can provide the suitable datasets (assuming the token is valid)?</p> <p><strong><em>Send cookies within AJAX requests</em></strong></p> <p>I have already read that cookies gets automaticly added to the request if the url is on the same space, right? The Java Server is on the same domain (localhost:8080) but the cookies aren't available - instead of requests on urls like 'app.json'. I thought that cross-domain-requests are really domain specific?</p> <p><strong><em>Send paramaters within AJAX requests</em></strong></p> <p>Because the cookies aren't avi i thought about the possiblity of 'manually' adding parameters to the ajax requests. The App will contain many AJAX requests and thats why i dont want to add the token manually - i tried to override the requests function of <em>Ext.Ajax</em> but i failed ;-( :</p> <pre><code>(function() { var originalRequest = Ext.data.Connection.prototype.request; Ext.override(Ext.data.Connection, { request : function(options) { alert("Do sth... like add params"); return originalRequest.apply(this, options); } }); })(); </code></pre> <p>ERROR:</p> <blockquote> <p>Uncaught Error: [ERROR][Ext.data.Connection#request] No URL specified</p> </blockquote> <p>I also tried to add a listener</p> <pre><code>Ext.Ajax.add({ listeners : { beforerequest : function( conn, options, eOpts ){ alert("Do sth... like add params"); } } }); </code></pre> <p>ERROR:</p> <blockquote> <p>Uncaught TypeError: Object [object Object] has no method 'add' </p> </blockquote> <p>Any idea about how i can add the token?</p> <p>Or any better way of handling these case?</p> <p>Thanks!</p>
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    1. COJust a quick advice : Go to read the documentation when you get something like 'has not method xxx' (http://docs.sencha.com/touch/2-0/#!/api/Ext.Ajax) If you take a look at the method for Ext.Ajax there's no 'add' method. That's also not the proper way to add a listener. To add a listener, use the 'on' method (http://docs.sencha.com/touch/2-0/#!/api/Ext.Ajax-method-on).
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    2. CO@tdebailleul You're right, my fault. I've added such a interceptor and it seems to work now - i add a new param to every request.
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