public async Task <string> buscarAlimento(string alimento)
{
const string baseURL = "http://platform.fatsecret.com/rest/server.api?";
const string consumerKey = "89a75f2dda9748d08cc87d573992fecb";
string signatureMethod = "HMAC-SHA1";
string timestamp = OAuthTools.GetTimestamp();
string nonce = OAuthTools.GetNonce();
const string version = "1.0";
const string method = "foods.search";
const string format = "json";
var normalizedParameters = "format=" + format
+ "&method=" + method
+ "&oauth_consumer_key=" + consumerKey
+ "&oauth_nonce=" + nonce
+ "&oauth_signature_method=" + signatureMethod
+ "&oauth_timestamp=" + timestamp
+ "&oauth_version=" + version
+ "&search_expression=" + "banana";
var httpMethod = "GET";
var encodedUri = OAuthTools.UrlEncodeStrict(baseURL.Substring(0, baseURL.Length - 1));
var encodedNormalizedParameters = OAuthTools.UrlEncodeStrict(normalizedParameters);
var baseSignature = httpMethod + "&" + encodedUri + "&" + encodedNormalizedParameters;
string signature;
using (HMACSHA1 hmac = new HMACSHA1(Encoding.ASCII.GetBytes("5e1b6dc6e9e84451bc265d633b9fc0de&")))
{
byte[] hashPayLoad = hmac.ComputeHash(Encoding.ASCII.GetBytes(baseSignature));
signature = Convert.ToBase64String(hashPayLoad);
}
string fullURL = baseURL + normalizedParameters
+ "&oauth_signature=" + signature;
String responseText = await Task.Run(() =>
{
try
{
HttpWebRequest request = WebRequest.Create(fullURL) as HttpWebRequest;
request.Method = "GET";
WebResponse response = request.GetResponse();
Stream responseStream = response.GetResponseStream();
return(new StreamReader(responseStream).ReadToEnd());
}
catch (Exception e)
{
Console.WriteLine("Error: " + e.Message);
}
return(null);
});
return(responseText);
}
public void Can_strict_url_encode_complex_string()
{
const string expected = "%21%3F%22%3B%3A%3C%3E%5C%5C%7C%60%23%24%25%5E%26%2A%2B-_%7B%7D%5B%5D";
const string sequence = @"!?"";:<>\\|`#$%^&*+-_{}[]";
var actual = OAuthTools.UrlEncodeStrict(sequence);
Assert.AreEqual(expected, actual);
}
public void Can_strict_prevent_double_encoding()
{
const string expected = "123AaBb%21%3F%22%3B%3A%3C%3E%5C%5C%7C%60%23%24%25%20%25A%5E%26%2A%2B-_%7B%7D%5B%5D%F0%9F%98%83";
const string sequence = @"123AaBb!?"";:<>\\|`#$% %A^&*+-_{}[]😃";
var actual = OAuthTools.UrlEncodeStrict(sequence);
actual = OAuthTools.UrlEncodeStrict(actual);
Assert.AreEqual(expected, actual);
}
public static string ToQueryString(this IDictionary <string, string> collection)
{
var sb = new StringBuilder();
foreach (var key in collection.Keys)
{
var parameter = OAuthTools.UrlEncodeStrict(collection[key]);
sb.AppendFormat("{0}={1}&", key, parameter);
}
return(sb.ToString().TrimEnd('&'));
}
private string GetQueryString(Dictionary <string, string> dict)
{
if (dict == null)
{
return("");
}
List <string> sb = new List <string>();
foreach (var kvp in dict)
{
sb.Add(string.Format("{0}={1}", OAuthTools.UrlEncodeStrict(kvp.Key), OAuthTools.UrlEncodeStrict(kvp.Value)));
}
return(string.Join("&", sb));
}
public void Authenticate_ShouldAllowEmptyConsumerSecret_OnHttpAuthorizationHeaderHandling(OAuthType type)
{
// Arrange
const string url = "https://no-query.string";
var client = new RestClient(url);
var request = new RestRequest();
_authenticator.Type = type;
_authenticator.ConsumerSecret = null;
// Act
_authenticator.Authenticate(client, request);
// Assert
var authParameter = request.Parameters.Single(x => x.Name == "Authorization");
var value = (string)authParameter.Value;
Assert.IsNotEmpty(value);
Assert.IsTrue(value !.Contains("OAuth"));
Assert.IsTrue(value.Contains("oauth_signature=\"" + OAuthTools.UrlEncodeStrict("&")));
}
public void UrlStrictEncode_Encodes_Correctly(string value, string expected)
{
var actual = OAuthTools.UrlEncodeStrict(value);
Assert.Equal(expected, actual);
}
public void UrlEncodeStrict_Throws_ArgumentNull_On_Null_String()
{
Assert.Throws <ArgumentNullException>(() => OAuthTools.UrlEncodeStrict(null));
}
public void UrlEncodeStrict_Encodes_Uri_Properly(string uri, string expected)
{
string encodedUri = OAuthTools.UrlEncodeStrict(uri);
Assert.Equal(expected, encodedUri);
}