/// <summary>
/// 计算TK值
/// </summary>
/// <param name="a">待翻译字符串<see cref="string"/></param>
/// <param name="TKK">谷歌返回TKK<see cref="string"/></param>
/// <returns>The <see cref="string"/></returns>
public static string GetTK(this string a, string TKK)
{
string[] e = TKK.Split('.');
int d = 0;
int h = 0;
int[] g = new int[a.Length * 3];
h = GetTKHelper.Number(e[0]);
for (int f = 0; f < a.Length; f++)
{
int c = a.charCodeAt(f);
if (128 > c)
{
g[d++] = c;
}
else
{
if (2048 > c)
{
g[d++] = c >> 6 | 192;
}
else
{
if (55296 == (c & 64512) && f + 1 < a.Length && 56320 == (a.charCodeAt(f + 1) & 64512))
{
c = 65536 + ((c & 1023) << 10) + a.charCodeAt(++f) & 1023;
g[d++] = c >> 18 | 240;
g[d++] = c >> 12 & 63 | 128;
}
else
{
g[d++] = c >> 12 | 224;
g[d++] = c >> 6 & 63 | 128;
g[d++] = c & 63 | 128;
}
}
}
}
int[] g0 = g.Where(x => x != 0).ToArray();
long aa = h;
for (d = 0; d < g0.Length; d++)
{
aa += g0[d];
aa = Convert.ToInt64(b(aa, "+-a^+6"));
}
aa = Convert.ToInt64(b(aa, "+-3^+b+-f"));
long bb = aa ^ GetTKHelper.Number(e[1]);
aa = bb;
aa = aa + bb;
bb = aa - bb;
aa = aa - bb;
if (0 > aa)
{
aa = (aa & 2147483647) + 2147483648;
}
aa %= (long)1e6;
return(aa.ToString() + "." + (aa ^ h));
}
/// <summary>
/// The b
/// </summary>
/// <param name="a">The a<see cref="long"/></param>
/// <param name="b">The b<see cref="string"/></param>
/// <returns>The <see cref="string"/></returns>
public static string b(long a, string b)
{
for (int d = 0; d < b.Length - 2; d += 3)
{
char c = b.charAt(d + 2);
int c0 = 'a' <= c?c.charCodeAt(0) - 87 : GetTKHelper.Number(c);
long c1 = '+' == b.charAt(d + 1) ? a >> c0 : a << c0;
a = '+' == b.charAt(d) ? a + c1 & 4294967295 : a ^ c1;
}
a = GetTKHelper.Number(a);
return(a.ToString());
}
protected virtual async Task <IAPIResponse> Execute(IApiRequest request)
{
string result = string.Empty;
var apiResult = new ApiResponse();
apiResult.Code = -1;
apiResult.Message = "";
apiResult.Data = "";
string txt = Encoding.UTF8.GetString(request.Body);
if (request.Url == "google")
{
try
{
string mess = txt;
string tkk = request.TKK;
var tk = GetTKHelper.GetTK(txt, tkk);
string paramData = "client=webapp&sl=en&tl=zh-CN&hl=zh-CN&dt=at&dt=bd&dt=ex&dt=ld&dt=md&dt=qca&dt=rw&dt=rm&dt=ss&dt=t&otf=1&ssel=3&tsel=3&kc=1&tk=" + tk + "&q=" + mess;
HttpWebRequest wbRequest = (HttpWebRequest)WebRequest.Create("https://translate.google.cn/translate_a/single");
wbRequest.Method = "POST";
wbRequest.ContentType = "application/x-www-form-urlencoded";
wbRequest.Accept = "*/*";
wbRequest.Referer = "https://translate.google.cn/";
wbRequest.Host = "translate.google.cn";
wbRequest.Headers.Add("Accept-Encoding", "gzip, deflate, br");
wbRequest.Headers.Add("Accept-Language", "zh-Hans-CN, zh-Hans; q=0.5");
wbRequest.UserAgent = "Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/55.0.2883.87 UBrowser/6.2.4094.1 Safari/537.36";
wbRequest.ContentLength = Encoding.UTF8.GetByteCount(paramData);
using (Stream requestStream = wbRequest.GetRequestStream())
{
using (StreamWriter swrite = new StreamWriter(requestStream))
{
swrite.Write(paramData);
}
}
using (HttpWebResponse response = (HttpWebResponse)wbRequest.GetResponse())
{
string ContentEncoding = response.ContentEncoding.ToLower();
Stream stream = null;
if (ContentEncoding.Contains("gzip"))
{
stream = new GZipStream(response.GetResponseStream(), CompressionMode.Decompress);
}
else if (ContentEncoding.Contains("deflate"))
{
stream = new DeflateStream(response.GetResponseStream(), CompressionMode.Decompress);
}
else
{
stream = response.GetResponseStream();
}
using (StreamReader reader = new StreamReader(stream, Encoding.UTF8))
{
result = reader.ReadToEnd();
}
dynamic tempResult = Newtonsoft.Json.JsonConvert.DeserializeObject(result);
//解决“企业\r\n学习”多行文本没有显示全部翻译
var resarry = Newtonsoft.Json.JsonConvert.DeserializeObject(tempResult[0].ToString());
var length = (resarry.Count) - 1;
StringBuilder str = new StringBuilder();
for (int i = 0; i < length; i++)
{
var res = Newtonsoft.Json.JsonConvert.DeserializeObject(resarry[i].ToString());
str.Append(res[0].ToString());
}
apiResult.Code = (int)response.StatusCode;
apiResult.Message = response.StatusCode.ToString();
apiResult.Data = str.ToString();
apiResult.Tags.Add("from-language", "en");
apiResult.Tags.Add("to-language", "zh-CN");
apiResult.Tags.Add("translate-success", "true");
}
}
catch (Exception ex)
{
apiResult.Code = -1;
apiResult.Message = ex.Message;
apiResult.Data = "";
}
}
else if (request.Url == "baidu")
{
try
{
Request r = new Request();
r.from = "en";
r.to = "zh";
r.q = txt;
r.appid = request.APPID;
r.key = request.KEY;
Result res = r.Post <Result>();
int length = res.trans_result.Count;
StringBuilder str = new StringBuilder();
for (int i = 0; i < length; i++)
{
str.Append(res.trans_result[i].dst);
if (i < length - 1)
{
str.Append("\r\n");
}
}
apiResult.Code = (int)0;
apiResult.Message = "";
apiResult.Data = str.ToString();
apiResult.Tags.Add("from-language", "en");
apiResult.Tags.Add("to-language", "zh-CN");
apiResult.Tags.Add("translate-success", "true");
}
catch (Exception ex)
{
apiResult.Code = -1;
apiResult.Message = ex.Message;
apiResult.Data = "";
}
}
return(apiResult);
}
protected virtual async Task <IAPIResponse> Execute(IApiRequest request)
{
CookieContainer cookie = new CookieContainer();
string text = Encoding.UTF8.GetString(request.Body);
string tkk = request.TKK;
string fromLanguage = request.Headers["from-language"].ToString();
string toLanguage = request.Headers["to-language"].ToString();
string referer = "https://translate.google.cn/";
var html = "";
var tk = GetTKHelper.GetTK(text, tkk);
StringBuilder url = new StringBuilder();
url.Append("https://translate.google.cn/translate_a/single?client=webapp");
url.AppendFormat("&sl={0}", fromLanguage);
url.AppendFormat("&tl={0}", toLanguage);
url.Append("&hl=zh-CN&dt=at&dt=bd&dt=ex&dt=ld&dt=md&dt=qca&dt=rw&dt=rm&dt=ss&dt=t&otf=1&ssel=0&tsel=0&kc=1");
url.AppendFormat("&tk={0}", tk);
url.AppendFormat("&q={0}", HttpUtility.UrlEncode(text));
//Create empty result
var apiResult = new ApiResponse();
try
{
var webRequest = WebRequest.Create(url.ToString()) as HttpWebRequest;
webRequest.Method = "GET";
webRequest.CookieContainer = cookie;
webRequest.Referer = referer;
webRequest.Timeout = 20000;
webRequest.Headers.Add("X-Requested-With:XMLHttpRequest");
webRequest.Accept = "text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,image/apng,*/*;q=0.8";
webRequest.UserAgent = "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/72.0.3626.121 Safari/537.36";
using (var webResponse = (HttpWebResponse)webRequest.GetResponse())
{
using (var reader = new StreamReader(webResponse.GetResponseStream(), Encoding.UTF8))
{
html = reader.ReadToEnd();
dynamic tempResult = Newtonsoft.Json.JsonConvert.DeserializeObject(html);
//解决“企业\r\n学习”多行文本没有显示全部翻译
var resarry = Newtonsoft.Json.JsonConvert.DeserializeObject(tempResult[0].ToString());
var length = (resarry.Count) - 1;
StringBuilder str = new StringBuilder();
for (int i = 0; i < length; i++)
{
var res = Newtonsoft.Json.JsonConvert.DeserializeObject(resarry[i].ToString());
str.Append(res[0].ToString());
}
apiResult.Code = (int)webResponse.StatusCode;
apiResult.Message = webResponse.StatusCode.ToString();
apiResult.Data = str.ToString();
apiResult.Tags.Add("from-language", fromLanguage);
apiResult.Tags.Add("to-language", toLanguage);
apiResult.Tags.Add("translate-success", "true");
reader.Close();
webResponse.Close();
}
}
}
catch (Exception e)
{
apiResult.Code = -1;
apiResult.Message = e.Message;
apiResult.Data = "";
}
return(apiResult);
}
