1. #1
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    Default Unanswered: Sencha Touch 2 and WCF REST with SSL

    Unanswered: Sencha Touch 2 and WCF REST with SSL


    I'm sorry - I've seen a bunch of posts on this subject but I still cant seem to get anywhere

    I have an existing WCF REST web service that is currently being used for an iPad application and I am trying to figure out how to return the JSON response in Sencha Touch 2. I have tried MANY different approaches, but here is my current one:

    Code:
            Ext.Ajax.request({
                url: 'https://ADDRESSTOSERVICE/user.svc/user/name/' + vals.loginUsername + '/password/' + vals.loginPassword,
                headers: {
                    'Authorization': 'Basic ' + Base64.encode(vals.loginUsername + ':' + vals.loginPassword),
                    "Content-type": "application/json; charset=utf-8",
                },
                params:{
                    username: vals.loginUsername,
                    password: vals.loginPassword
                },
                success: function(form, result){
                    console.log("SUCCESS");
                },
                failure: function(form, result){
                    console.log("FAILED");
                }
            });
    In CHROME I am getting :Failed to load resource: Resource failed to load followed by the url

    If I click on the error URL, my expected JSON response is displayed in the browser window. This is intended to go cross-domain. I can successfully call this service with Fiddler and get the expected response.
    I dont know if this is enough info to help- if not please let me know and I can supply more. Thanks!



  2. #2
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    Default


    So this is going to go cross origin, are you using CORS?
    Mitchell Simoens @SenchaMitch
    Sencha Inc, Senior Forum Manager
    ________________
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  3. #3
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    Default


    I'm pretty new to all this - but I have read a bit through this forum concerning CORS. Is it basically just sending back the proper headers from the server? If I had a message call in WCF like this:

    Code:
    [WebGet(UriTemplate = "user/{id}", ResponseFormat= System.ServiceModel.Web.WebMessageFormat.Json)]
    public OD_User Get(string id)
    {
    var constring = System.Configuration.ConfigurationManager.ConnectionStrings["ODPhoenixConnectionString"];
    var db = new ODPhoenixDataContext(constring.ConnectionString);
    return db.OD_Users.FirstOrDefault(p => p.UserID == Convert.ToInt64(id));
    }
    where would I set OR inject the headers? Sorry, I know this isn't a C# forum Also, From what I understand, when you submit a call to a service - something called a pre-flight message is sent and this is where the headers are returned - is this correct? Where would I determine on the Sencha side if those headers were set correctly (event or something)? Sorry for all the questions, but this is for work and I'm on a deadline

    thanks again,
    monty

  4. #4
    Sencha - Senior Forum Manager mitchellsimoens's Avatar
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    I return the headers on all requests.
    Mitchell Simoens @SenchaMitch
    Sencha Inc, Senior Forum Manager
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    Think my support is good? Get more personalized support via a support subscription. https://www.sencha.com/store/

    Need more help with your app? Hire Sencha Services services@sencha.com

    Want to learn Sencha Touch 2? Check out Sencha Touch in Action that is in print!

    When posting code, please use BBCode's CODE tags.

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    Default


    so I have added the following headers to my OUTGOING service response:
    "Access-Control-Allow-Origin", "*"
    "Access-Control-Request-Method", "POST,GET"
    "Access-Control-Allow-Headers", "X-Requested-With"

    Is that right? I have the options of adding the headers to Outgoing request/ response or Incoming request/ response.

  6. #6
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    so I think I've added the headers somewhat correctly. Here is what Chrome is telling me when I try to connect:

    FIRST I get one of these:
    • Request URL:
      https://myserveraddress/phoenix/user.svc/user/name/pmccune/password/012153?_dc=1334344959560
    • Request Method:
      OPTIONS
    • Status Code:
      401 Unauthorized
    • Request Headersview source
      • Accept:
        */*
      • Accept-Charset:
        ISO-8859-1,utf-8;q=0.7,*;q=0.3
      • Accept-Encoding:
        gzip,deflate,sdch
      • Accept-Language:
        en-US,en;q=0.8
      • Access-Control-Request-Headers:
        origin, authorization, x-requested-with
      • Access-Control-Request-Method:
        GET
      • Connection:
        keep-alive
      • Host:
        192.168.0.99
      • Origin:
        http://originaddress
      • Referer:
        http://originaddress/PhoenixTouch/
      • User-Agent:
        Mozilla/5.0 (Macintosh; Intel Mac OS X 10_6_8) AppleWebKit/535.19 (KHTML, like Gecko) Chrome/18.0.1025.151 Safari/535.19
    • Query String Parametersview URL encoded
      • _dc:
        1334344959560
    • Response Headersview source
      • Access-Control-Allow-Headers:
        origin, authorization, x-requested-with
      • Access-Control-Allow-Origin:
        http://originaddress
      • Access-Control-Request-Method:
        POST, OPTIONS, GET
      • Cache-Control:
        private
      • Content-Length:
        37
      • Content-Type:
        application/xml; charset=utf-8
      • Date:
        Fri, 13 Apr 2012 19:22:39 GMT
      • Server:
        Microsoft-IIS/7.5
      • X-AspNet-Version:
        4.0.30319
    • X-Powered-By:
    • ASP.NET




    Then I get one of these:
    Request URL:
    https://myserveraddress/phoenix/user.svc/user/name/pmccune/password/012153?_dc=1334344959560
    Request Headersview source

    Authorization:
    Basic cG1jY3VuZTowMTIxNTM=


    Origin:
    http://originaddress


    Referer:
    http://originaddress/PhoenixTouch/


    User-Agent:
    Mozilla/5.0 (Macintosh; Intel Mac OS X 10_6_8) AppleWebKit/535.19 (KHTML, like Gecko) Chrome/18.0.1025.151 Safari/535.19


    X-Requested-With:
    XMLHttpRequest
    Query String Parametersview URL encoded

    _dc:
    1334344959560




    In my chrome console I get:




    XMLHttpRequest cannot load https://myserveraddress/phoenix/user.svc/user/name/pmccune/password/012153?_dc=1334344959560. Origin http://originaddress is not allowed by Access-Control-Allow-Origin.
    Login.js:61SUCCESS



    Heres a question - where does the appended querystring "
    ?_dc=1334344959560" come from? I am not adding this.


    thanks again for your quick reply.





  7. #7
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    Default


    The _dc param is added by Sencha Touch to make sure there are no caching scenarios. It stands for disable caching
    Mitchell Simoens @SenchaMitch
    Sencha Inc, Senior Forum Manager
    ________________
    Check out my GitHub, lots of nice things for Ext JS 4 and Sencha Touch 2
    https://github.com/mitchellsimoens

    Think my support is good? Get more personalized support via a support subscription. https://www.sencha.com/store/

    Need more help with your app? Hire Sencha Services services@sencha.com

    Want to learn Sencha Touch 2? Check out Sencha Touch in Action that is in print!

    When posting code, please use BBCode's CODE tags.

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