public async Task <string> TranslateAsync(string text, string langTo, string langFrom = null)
{
await this.UpdateAccessTokenIfExpired()
.ConfigureAwait(false);
var param = new Dictionary <string, string>
{
["text"] = text,
["to"] = langTo,
};
if (langFrom != null)
{
param["from"] = langFrom;
}
var requestUri = new Uri(TranslateEndpoint, "?" + MyCommon.BuildQueryString(param));
using (var request = new HttpRequestMessage(HttpMethod.Get, requestUri))
{
request.Headers.Authorization = new AuthenticationHeaderValue("Bearer", this.AccessToken);
using (var response = await this.Http.SendAsync(request).ConfigureAwait(false))
{
return(await response.Content.ReadAsStringAsync()
.ConfigureAwait(false));
}
}
}
public Task DirectMessagesEventsDestroy(string eventId)
{
var endpoint = new Uri("direct_messages/events/destroy.json", UriKind.Relative);
var param = new Dictionary <string, string>
{
["id"] = eventId.ToString(),
};
// なぜか application/x-www-form-urlencoded でパラメーターを送ると Bad Request になる謎仕様
endpoint = new Uri(endpoint.OriginalString + "?" + MyCommon.BuildQueryString(param), UriKind.Relative);
return(this.apiConnection.DeleteAsync(endpoint));
}
public async Task <string> GetAsync(Uri endpoint, IEnumerable <KeyValuePair <string, string> > param)
{
var paramWithToken = param.Concat(this.CreateAccessTokenParams());
var requestUri = new Uri(new Uri(ApiBase, endpoint), "?" + MyCommon.BuildQueryString(paramWithToken));
using (var request = new HttpRequestMessage(HttpMethod.Get, requestUri))
using (var response = await this.http.SendAsync(request).ConfigureAwait(false))
{
return(await response.Content.ReadAsStringAsync()
.ConfigureAwait(false));
}
}
protected override async Task <HttpResponseMessage> SendAsync(HttpRequestMessage request, CancellationToken cancellationToken)
{
var query = await GetParameters(request.RequestUri, request.Content)
.ConfigureAwait(false);
var credential = OAuthUtility.CreateAuthorization(request.Method.ToString().ToUpperInvariant(), request.RequestUri, query,
this.ConsumerKey, this.ConsumerSecret, this.AccessToken, this.AccessSecret);
request.Headers.TryAddWithoutValidation("Authorization", credential);
if (request.Content is FormUrlEncodedContent postContent)
{
request.Content = new StringContent(MyCommon.BuildQueryString(query), Encoding.UTF8, "application/x-www-form-urlencoded");
postContent.Dispose();
}
return(await base.SendAsync(request, cancellationToken)
.ConfigureAwait(false));
}
/// <summary>
/// Foursquare のチェックイン URL から位置情報を取得します
/// </summary>
public async Task <GlobalLocation> FetchCheckinLocation(string url, CancellationToken token)
{
var match = UrlPatternRegex.Match(url);
if (!match.Success)
{
return(null);
}
var checkinIdGroup = match.Groups["checkin_id"];
try
{
// Foursquare のチェックイン情報を取得
// 参照: https://developer.foursquare.com/docs/checkins/resolve
var query = new Dictionary <string, string>
{
["client_id"] = ApplicationSettings.FoursquareClientId,
["client_secret"] = ApplicationSettings.FoursquareClientSecret,
["v"] = "20140419", // https://developer.foursquare.com/overview/versioning
["shortId"] = checkinIdGroup.Value,
};
var apiUrl = new Uri(ApiBase + "/checkins/resolve?" + MyCommon.BuildQueryString(query));
using (var response = await this.http.GetAsync(apiUrl, token).ConfigureAwait(false))
{
response.EnsureSuccessStatusCode();
var jsonBytes = await response.Content.ReadAsByteArrayAsync()
.ConfigureAwait(false);
return(ParseIntoLocation(jsonBytes));
}
}
catch (HttpRequestException)
{
return(null);
}
}
protected virtual async Task <XDocument> FetchContentInfoApiAsync(string contentId, CancellationToken token)
{
var query = new Dictionary <string, string>
{
["api_key"] = ApplicationSettings.TINAMIApiKey,
["cont_id"] = contentId,
};
var apiUrl = new Uri("http://api.tinami.com/content/info?" + MyCommon.BuildQueryString(query));
using (var response = await this.http.GetAsync(apiUrl, token).ConfigureAwait(false))
{
response.EnsureSuccessStatusCode();
var xmlStr = await response.Content.ReadAsStringAsync()
.ConfigureAwait(false);
return(XDocument.Parse(xmlStr));
}
}
public static string CreateSignature(string consumerSecret, string?tokenSecret, string method, Uri uri, Dictionary <string, string> parameter)
{
// パラメタをソート済みディクショナリに詰替（OAuthの仕様）
var sorted = new SortedDictionary <string, string>(parameter);
// URLエンコード済みのクエリ形式文字列に変換
var paramString = MyCommon.BuildQueryString(sorted);
// アクセス先URLの整形
var url = string.Format("{0}://{1}{2}", uri.Scheme, uri.Host, uri.AbsolutePath);
// 署名のベース文字列生成（&区切り）。クエリ形式文字列は再エンコードする
var signatureBase = string.Format("{0}&{1}&{2}", method, MyCommon.UrlEncode(url), MyCommon.UrlEncode(paramString));
// 署名鍵の文字列をコンシューマー秘密鍵とアクセストークン秘密鍵から生成（&区切り。アクセストークン秘密鍵なくても&残すこと）
var key = MyCommon.UrlEncode(consumerSecret) + "&";
if (!MyCommon.IsNullOrEmpty(tokenSecret))
{
key += MyCommon.UrlEncode(tokenSecret);
}
// 鍵生成＆署名生成
using var hmac = new HMACSHA1(Encoding.ASCII.GetBytes(key));
var hash = hmac.ComputeHash(Encoding.ASCII.GetBytes(signatureBase));
return(Convert.ToBase64String(hash));
}
public override async Task <ThumbnailInfo> GetThumbnailInfoAsync(string url, PostClass post, CancellationToken token)
{
// ツイートに位置情報が付与されている場合は何もしない
if (post.PostGeo.Lat != 0 || post.PostGeo.Lng != 0)
{
return(null);
}
var match = UrlPatternRegex.Match(url);
if (!match.Success)
{
return(null);
}
var checkinIdGroup = match.Groups["checkin_id"];
var signatureGroup = match.Groups["signature"];
try
{
// Foursquare のベニュー情報を取得
// 参照: https://developer.foursquare.com/docs/venues/venues
var query = new Dictionary <string, string>
{
{ "client_id", ApplicationSettings.FoursquareClientId },
{ "client_secret", ApplicationSettings.FoursquareClientSecret },
{ "v", "20140419" }, // https://developer.foursquare.com/overview/versioning
};
if (signatureGroup.Success)
{
query["signature"] = signatureGroup.Value;
}
var apiUrl = new Uri(ApiBase + "/checkins/" + checkinIdGroup.Value + "?" + MyCommon.BuildQueryString(query));
using (var response = await this.http.GetAsync(apiUrl, token).ConfigureAwait(false))
{
response.EnsureSuccessStatusCode();
var jsonBytes = await response.Content.ReadAsByteArrayAsync()
.ConfigureAwait(false);
var location = ParseIntoLocation(jsonBytes);
if (location == null)
{
return(null);
}
var map = MapThumb.GetDefaultInstance();
return(new ThumbnailInfo
{
ImageUrl = map.CreateMapLinkUrl(location.Latitude, location.Longitude),
ThumbnailUrl = map.CreateStaticMapUrl(location.Latitude, location.Longitude),
TooltipText = null,
});
}
}
catch (HttpRequestException) { }
return(null);
}
public override async Task <ThumbnailInfo> GetThumbnailInfoAsync(string url, PostClass post, CancellationToken token)
{
var match = Tumblr.UrlPatternRegex.Match(url);
if (!match.Success)
{
return(null);
}
// 参照: http://www.tumblr.com/docs/en/api/v2#photo-posts
var host = match.Groups["host"].Value;
var postId = match.Groups["postId"].Value;
var param = new Dictionary <string, string>
{
["api_key"] = ApplicationSettings.TumblrConsumerKey,
["id"] = match.Groups["postId"].Value,
};
try
{
var apiUrl = string.Format("https://api.tumblr.com/v2/blog/{0}/posts?", host) + MyCommon.BuildQueryString(param);
using (var response = await this.http.GetAsync(apiUrl, token).ConfigureAwait(false))
{
var jsonBytes = await response.Content.ReadAsByteArrayAsync()
.ConfigureAwait(false);
var thumbs = ParsePhotoPostJson(jsonBytes);
return(thumbs.FirstOrDefault());
}
}
catch (HttpRequestException) { } // たまに api.tumblr.com が名前解決できない
return(null);
}