gistfile1.js

    getFileContent: function(fileObjOrUrl) {
        var url = fileObjOrUrl.url || fileObjOrUrl;
        if(!url) return '';
                  
        var result = '',
            p = kuma.url.parse(env.url, true),
            base_url = p.protocol + '//' + p.host;
              
        url = base_url + url;
         
        var key = 'kuma:get_attachment_content:' + md5(url.toLowerCase());
        return cacheFn(key, 3600, function(next) {
            try {
                request({
                    method: 'GET',
                    headers: { 'Cache-Control': env.cache_control },
                    url: url
                }, function(err, resp, body) {
                    if(resp && 200 == resp.statusCode) {
                        next('[' + body + ']');
                    }
                    else if(err) {
                        next(err);
                    }
                    else {
                        next( 'bad response');
                    }
                });
            } catch(e) {
                next('Exception' + e + ': ' + url);
            }
        });
    }