How to determine where a request is coming from in a REST api

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离开以前
离开以前 2021-02-07 07:12

I have an RESTful API with controllers that should return a JSON response when is being hit by my android application and a \"view\" when it\'s being hit by a web browser. I\'m

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  •  星月不相逢
    2021-02-07 07:17

    You can use Request::wantsJson() like this:

    if (Request::wantsJson()) {
        // return JSON-formatted response
    } else {
        // return HTML response
    }
    

    Basically what Request::wantsJson() does is that it checks whether the accept header in the request is application/json and return true or false based on that. That means you'll need to make sure your client sends an "accept: application/json" header too.

    Note that my answer here does not determine whether "a request is coming from a REST API", but rather detects if the client requests for a JSON response. My answer should still be the way to do it though, because using REST API does not necessary means requiring JSON response. REST API may return XML, HTML, etc.


    Reference to Laravel's Illuminate\Http\Request:

    /**
     * Determine if the current request is asking for JSON in return.
     *
     * @return bool
     */
    public function wantsJson()
    {
        $acceptable = $this->getAcceptableContentTypes();
    
        return isset($acceptable[0]) && $acceptable[0] == 'application/json';
    }
    

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