uRgXpYYe

1{"errors":[{"message":"Could not authenticate you","code":32}]}
2	
3"(Malmö OR Lund) (Sverige OR Skåne)" // Fails
4"(Malmo OR lund) (Skane OR Sweden)" // Works, returns correct result
5"Malmö" // Works
6	
7public async Task SearchTwitter(string query)
8{
9    var oauth_token = "xxxxxxxxxxxx";
10    var oauth_token_secret = "xxxxxxxxxxxx";
11    var oauth_consumer_key = "xxxxxxxxxxxx";
12    var oauth_consumer_secret = "xxxxxxxxxxxx";
13
14    var baseUrl = "https://api.twitter.com/1.1/search/tweets.json";
15
16    var parameters = new Dictionary<string, string>
17    {
18        {"tweet_mode", "extended"},
19        {"result_type", "recent"},
20        {"count", 100.ToString()},
21        {"q", query},
22
23        {"oauth_consumer_key", oauth_consumer_key},
24        {"oauth_timestamp", DateTime.UtcNow.ToUnixStringFromDateTime()},
25        {"oauth_nonce", Guid.NewGuid().ToString("N")},
26        {"oauth_version", "1.0"},
27        {"oauth_signature_method", "HMAC-SHA1"},
28        {"oauth_token", oauth_token}
29    };
30
31    var sortedParameterString =
32        string.Join("&",
33            (from parm in parameters
34             orderby parm.Key
35             select Uri.EscapeDataString(parm.Key) + "=" + Uri.EscapeDataString(parameters[parm.Key]))
36                .ToArray());
37
38    var signatureBaseString = "GET&" + Uri.EscapeDataString(baseUrl) + "&" + Uri.EscapeDataString(sortedParameterString);
39
40    var signingKey = Uri.EscapeDataString(oauth_consumer_secret) + "&" + Uri.EscapeDataString(oauth_token_secret);
41
42    string oauth_signature;
43    using (HMACSHA1 hasher = new HMACSHA1(ASCIIEncoding.ASCII.GetBytes(signingKey)))
44    {
45        oauth_signature = Convert.ToBase64String(hasher.ComputeHash(ASCIIEncoding.ASCII.GetBytes(signatureBaseString)));
46    }
47
48    var headerString = "OAuth " + string.Join(", ", parameters.Where(kv => kv.Key.StartsWith("oauth")).Select(kv => kv.Key + "="" + Uri.EscapeDataString(kv.Value) + """)) + ", oauth_signature="" + Uri.EscapeDataString(oauth_signature) + """;
49
50    var uri = new Uri(baseUrl + $"?count={Uri.EscapeDataString(100.ToString())}&q={Uri.EscapeDataString(query)}&result_type={Uri.EscapeDataString("recent")}&tweet_mode={Uri.EscapeDataString("extended")}");
51
52    var httpRequestMessage = new HttpRequestMessage(HttpMethod.Get, uri);
53    httpRequestMessage.Headers.Add("Authorization", headerString);
54    httpRequestMessage.Headers.ExpectContinue = false;
55
56    var httpResponseMessage = await GetHttpClient().SendAsync(httpRequestMessage).ConfigureAwait(false);
57    var resultString = await httpResponseMessage.Content.ReadAsStringAsync().ConfigureAwait(false);
58    if (httpResponseMessage.IsSuccessStatusCode)
59    {
60        // Request succeeded
61    }
62    else {
63        // Request failed
64    }
65}
66
67private static HttpClient GetHttpClient()
68{
69    var handler = new HttpClientHandler();
70    if (handler.SupportsAutomaticDecompression)
71    {
72        handler.AutomaticDecompression = DecompressionMethods.GZip;
73    }
74
75    return new HttpClient(handler);
76}