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STranslateDLL
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SongWJ 6 months ago
parent 0642e710d7
commit bd909b0f94
3 changed files with 266 additions and 9 deletions
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252
STranslateDLL/LocalMode.cs
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@ -1,9 +1,255 @@
namespace STranslateDLL;
using System.IO.Compression;
using System.Text.Json;
using System.Text;
using Newtonsoft.Json;
namespace STranslateDLL;
public class LocalMode
{
public async Task ExecuteAsync()
private static long NextId;
private static bool HasInit = false;
private static void Initial()
{
var rand = new Random();
var num = rand.NextInt64(99999) + 8300000;
NextId = num * 1000;
HasInit = true;
}
public static async Task<string> ExecuteAsync(string content, string? sourceLang = null, string targetLang = "ZH", CancellationToken? token = null)
{
if (!HasInit)
{
Initial();
}
var getToken = token ?? CancellationToken.None;
long timeSpan = GenerateTimestamp(content);
long id = CreateId();
string reqStr = GenerateRequestStr(content, sourceLang, targetLang, timeSpan, id);
using var client = new HttpClient();
var request = new HttpRequestMessage(HttpMethod.Post, "https://www2.deepl.com/jsonrpc")
{
Content = new StringContent(reqStr, Encoding.UTF8, "application/json")
};
// Add headers to the request
request.Headers.Add("User-Agent", "DeepL-iOS/2.4.0 iOS 15.7.1 (iPhone14,2)");
request.Headers.Add("Accept", "*/*");
request.Headers.Add("x-app-os-name", "IOS");
request.Headers.Add("x-app-os-version", "15.7.1");
request.Headers.Add("Accept-Language", "en-US,en;q=0.9");
request.Headers.Add("Accept-Encoding", "gzip,deflate,br");
//request.Headers.Add("Content-Type", "application/json");
request.Headers.Add("x-app-device", "iPhone14,2");
request.Headers.Add("x-app-build", "353");
request.Headers.Add("x-app-version", "2.4");
request.Headers.Add("Referer", "https://www.deepl.com/");
request.Headers.Add("Connection", "keep-alive");
HttpResponseMessage resp = await client.SendAsync(request, getToken);
//resp.EnsureSuccessStatusCode();
string responseBody;
if (resp.Content.Headers.ContentEncoding.Contains("br"))
{
using var responseStream = await resp.Content.ReadAsStreamAsync(getToken);
using var decompressionStream = new BrotliStream(responseStream, CompressionMode.Decompress);
using var streamReader = new StreamReader(decompressionStream);
responseBody = await streamReader.ReadToEndAsync(getToken);
}
else
{
responseBody = await resp.Content.ReadAsStringAsync(getToken);
}
var deeplResp = JsonConvert.DeserializeObject<DeepLResponse>(responseBody);
var response = new Response
{
Code = resp.StatusCode.GetHashCode(),
Data = deeplResp?.Result?.Texts?.FirstOrDefault()?.Text ?? deeplResp?.Error?.Message ?? "Empty Response"
};
return JsonConvert.SerializeObject(response);
}
private static long GenerateTimestamp(string texts)
{
long iCount = texts.Split('i').Length - 1;
long ts = DateTimeOffset.UtcNow.ToUnixTimeMilliseconds();
return iCount != 0 ? ts - ts % (iCount + 1) + (iCount + 1) : ts;
}
private static long CreateId()
{
return Interlocked.Increment(ref NextId);
}
private static string GenerateRequestStr(string text, string? sourceLang, string targetLang, long timeSpan, long id)
{
var req = new DeepLRequest
{
Jsonrpc = "2.0",
Method = "LMT_handle_texts",
Params = new ReqParams
{
Texts =
[
new ReqParamsTexts
{
Text = text,
RequestAlternatives = 0
}
],
Splitting = "newlines",
Lang = new ReqParamsLang
{
SourceLangUserSelected = sourceLang,
TargetLang = targetLang
},
Timestamp = timeSpan,
CommonJobParams = new ReqParamsCommonJobParams
{
WasSpoken = false,
TranscribeAS = null
}
},
Id = id
};
string json = JsonConvert.SerializeObject(req);
return json;
}
}
public class Response
{
public int Code { get; set; }
public string Data { get; set; } = "";
}
public class DeepLRequest
{
[JsonProperty("jsonrpc")]
public string Jsonrpc { get; set; } = "";
[JsonProperty("method")]
public string Method { get; set; } = "";
[JsonProperty("params")]
public ReqParams? Params { get; set; }
[JsonProperty("id")]
public long Id { get; set; }
}
public class ReqParams
{
[JsonProperty("texts")]
public ReqParamsTexts[]? Texts { get; set; }
[JsonProperty("splitting")]
public string Splitting { get; set; } = "";
[JsonProperty("lang")]
public ReqParamsLang? Lang { get; set; }
[JsonProperty("timestamp")]
public long Timestamp { get; set; }
[JsonProperty("commonJobParams")]
public ReqParamsCommonJobParams? CommonJobParams { get; set; }
}
public class ReqParamsTexts
{
[JsonProperty("text")]
public string Text { get; set; } = "";
[JsonProperty("requestAlternatives")]
public int RequestAlternatives { get; set; }
}
public class ReqParamsLang
{
[JsonProperty("source_lang_user_selected", DefaultValueHandling = DefaultValueHandling.Ignore)]
public string? SourceLangUserSelected { get; set; }
[JsonProperty("target_lang")]
public string TargetLang { get; set; } = "";
}
public class ReqParamsCommonJobParams
{
[JsonProperty("wasSpoken")]
public bool WasSpoken { get; set; }
[JsonProperty("transcribe_as", DefaultValueHandling = DefaultValueHandling.Ignore)]
public string? TranscribeAS { get; set; }
}
public class DeepLResponse
{
[JsonProperty("jsonrpc")]
public string Jsonrpc { get; set; } = "";
[JsonProperty("id")]
public int Id { get; set; }
[JsonProperty("result")]
public RespResult? Result { get; set; }
[JsonProperty("error")]
public RespError? Error { get; set; }
}
public class RespResult
{
[JsonProperty("texts")]
public RespResultText[]? Texts { get; set; }
[JsonProperty("lang")]
public string Lang { get; set; } = "";
[JsonProperty("lang_is_confident")]
public bool LangIsConfident { get; set; }
[JsonProperty("detectedLanguages")]
public RespResultDetectedLanguages? DetectedLanguages { get; set; }
}
public class RespResultText
{
await Task.Delay(3000);
[JsonProperty("alternatives")]
public object[]? Alternatives { get; set; }
[JsonProperty("text")]
public string Text { get; set; } = "";
}
public class RespResultDetectedLanguages
{
public float EN { get; set; }
public float DE { get; set; }
public float FR { get; set; }
public float ES { get; set; }
public float PT { get; set; }
public float IT { get; set; }
public float NL { get; set; }
public float PL { get; set; }
public float RU { get; set; }
public float ZH { get; set; }
public float JA { get; set; }
public float BG { get; set; }
public float CS { get; set; }
public float DA { get; set; }
public float EL { get; set; }
public float ET { get; set; }
public float FI { get; set; }
public float HU { get; set; }
public float LT { get; set; }
public float LV { get; set; }
public float RO { get; set; }
public float SK { get; set; }
public float SL { get; set; }
public float SV { get; set; }
public float TR { get; set; }
public float ID { get; set; }
public float Unsupported { get; set; }
}
public class RespError
{
[JsonProperty("code")]
public int Code { get; set; }
[JsonProperty("message")]
public string Message { get; set; } = "";
}

4
STranslateDLL/STranslateDLL.csproj
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@ -12,4 +12,8 @@
<DebugType>none</DebugType>
</PropertyGroup>
<ItemGroup>
<PackageReference Include="Newtonsoft.Json" Version="13.0.1" />
</ItemGroup>
</Project>

19
STranslateDLLTests/LocalModeTests.cs
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@ -1,4 +1,5 @@
using System.Diagnostics;
using STranslateDLL;
using System.Diagnostics;
using Xunit;
namespace STranslateDLL.Tests;
@ -6,11 +7,17 @@ namespace STranslateDLL.Tests;
public class LocalModeTests
{
[Fact()]
public async Task ExecuteAsyncTest()
public async Task ExecuteAsyncTestAsync()
{
var model = new LocalMode();
Debug.WriteLine(DateTime.Now.ToLongTimeString() + "Start");
await model.ExecuteAsync();
Debug.WriteLine(DateTime.Now.ToLongTimeString() + "Stop");
try
{
var cts = new CancellationTokenSource();
var ret = await LocalMode.ExecuteAsync("Hello World", "auto", "ZH", cts.Token);
Debug.WriteLine(ret);
}
catch (Exception ex)
{
Debug.WriteLine("error " + ex.Message);
}
}
}

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