I would like to send requests to the Wit API from a browser application, but without b

Hi Guillaume, Here is a jsonp example using jquery <div class="h

Add CORS support to the Wit HTTP API about wit HOT 10 CLOSED

wit-ai commented on July 22, 2024

Add CORS support to the Wit HTTP API

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Comments (10)

ar7hur commented on July 22, 2024

Hi Andrew,

We've been thinking about CORS for a while. Our concern is that your authorization access token would be visible to your website visitors. That's why we thought a proxy would be better (of course it comes with so drawbacks, like latency and having to set it up).

Since the same access token enables you to access the REST API for potential write operations on your instance, it's really not possible to make it public in your HTML code. Later, we may use several access tokens with different scopes, one of them being restricted to GET/message, that you could use for CORS.

If somebody has a better idea, please let us know.

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andrewserff commented on July 22, 2024

I was worried about that too, but for prototyping purposes, it wouldn't be a concern (which is where I'm at right now). Have you considered JSONP at all?

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blandinw commented on July 22, 2024

We do support JSONP, as an experimental feature.
However, you can't use headers with JSONP, so you'll need to pass the access token as a 'access_token' query parameter.

Also, you want to use a GET request here.

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guillaume86 commented on July 22, 2024

Can you provide a JSONP sample? I tried providing an access_token get parameter but I get a HTTP/1.1 403 Forbidden

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Weirche commented on July 22, 2024

Hi Guillaume,

Here is a jsonp example using jquery

<!doctype html>
<html>
<head>
    <meta charset="utf-8" />
    <title>Demo</title>
</head>
<body>
    <script src="jquery.js"></script>
    <script>
    handleResult = function(textResult) {
        $.ajax({
            url: 'https://api.wit.ai/message',
            data: {
                'q': textResult,
                'access_token' : "YOUR_TOKEN"
            },
            dataType: "jsonp",
            jsonp: "callback",
            method: 'POST',
            success: function( response ) {
                console.log( response ); // server response
            }
        })}
    handleResult("Book meeting with Henri tomorrow at 5pm");
    </script>
</body>
</html>

Let me know if it works for you.

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guillaume86 commented on July 22, 2024

Thanks. I tried but neither jQuery 2.x nor AngularJS allowed me to POST JSONP requests, I'm not sure where the probleme come from, perhaps Chrome specific, I'll take a look later.

Edit: ok actually it can't work since JSONP just use a script tag wich will make a GET

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murat0658 commented on July 22, 2024

any update? how can we use "POST" method in Ajax, jQuery. We tried JSONP before and it gave bad URL exception.

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blandinw commented on July 22, 2024

JSONP can only be used with GET. If you really want CORS, please reopen an issue and we'll leave it open as a feature request to see if it gains traction

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murat0658 commented on July 22, 2024

ok. thank you. i will ask another: is there any other way of getting bot's response to my query in my web site?

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blandinw commented on July 22, 2024

You can use the GET /message API from your website, as this does not require CORS.
You'll need to write some code to generate a bot answer from the intent and entities you extract.

CORS support has been requested here #242 by the way

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Add CORS support to the Wit HTTP API about wit HOT 10 CLOSED

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