修改阿里云机器翻译为私有API

Isayama-Kagura · Aug 11, 2022 · e81014e · e81014e
1 parent 452e7c4
commit e81014e
Show file tree

Hide file tree

Showing 6 changed files with 99 additions and 36 deletions.
diff --git a/TsubakiTranslator/BasicLibrary/TranslateAPIConfig.cs b/TsubakiTranslator/BasicLibrary/TranslateAPIConfig.cs
@@ -10,7 +10,9 @@ public class TranslateAPIConfig: ObservableObject
         private string ttsRegion;
         private string ttsResourceKey;
 
-        private bool aliyunIsEnabled;
+        private bool aliIsEnabled;
+        private string aliSecretId;
+        private string aliSecretKey;
 
         private bool baiduIsEnabled;
         private string baiduAppID;
@@ -62,10 +64,22 @@ public string TTSResourceKey
             set => SetProperty(ref ttsResourceKey, value);
         }
 
-        public bool AliyunIsEnabled
+        public bool AliIsEnabled
         {
-            get => aliyunIsEnabled;
-            set => SetProperty(ref aliyunIsEnabled, value);
+            get => aliIsEnabled;
+            set => SetProperty(ref aliIsEnabled, value);
+        }
+
+        public string AliSecretId
+        {
+            get => aliSecretId;
+            set => SetProperty(ref aliSecretId, value);
+        }
+
+        public string AliSecretKey
+        {
+            get => aliSecretKey;
+            set => SetProperty(ref aliSecretKey, value);
         }
 
         public bool BaiduIsEnabled

diff --git a/TsubakiTranslator/BasicLibrary/TranslateHandler.cs b/TsubakiTranslator/BasicLibrary/TranslateHandler.cs
@@ -12,9 +12,10 @@ public static LinkedList<ITranslator> GetSelectedTranslators(TranslateAPIConfig
         {
             LinkedList<ITranslator> translators = new LinkedList<ITranslator>();
 
-            if (translateAPIConfig.AliyunIsEnabled)
+            if (translateAPIConfig.AliIsEnabled)
             {
                 ITranslator aliyun = new AliyunTranslator();
+                aliyun.TranslatorInit(translateAPIConfig.AliSecretId, translateAPIConfig.AliSecretKey);
                 translators.AddLast(aliyun);
             }
 

diff --git a/TsubakiTranslator/TranslateAPILibrary/AliyunTranslator.cs b/TsubakiTranslator/TranslateAPILibrary/AliyunTranslator.cs
@@ -1,4 +1,11 @@
-using System.Net.Http;
+using RestSharp;
+using RestSharp.Serializers;
+using System;
+using System.Net;
+using System.Net.Http;
+using System.Security.Cryptography;
+using System.Text;
+using System.Text.Json;
 using System.Text.RegularExpressions;
 using System.Web;
 
@@ -13,54 +20,82 @@ class AliyunTranslator : ITranslator
 
         public string SourceLanguage { get; set; }
 
+        private string SecretId { get; set; }
+        private string SecretKey { get; set; }
+
         public string Translate(string sourceText)
         {
             string desLang = "zh";
-
 
-            string bodyString = $"srcLanguage={SourceLanguage}&tgtLanguage={desLang}&srcText={HttpUtility.UrlEncode(sourceText)}&bizType=general&source=aliyun";
+            string method = "POST";
+            string accept = "application/json";
+            //string contentType = "application/json";
+            string date = DateTime.UtcNow.ToString("r");
+            string host = "mt.cn-hangzhou.aliyuncs.com";
+            string path = "/api/translate/web/general";
 
-            string url = @"https://translate.alibaba.com/trans/TranslateTextAddAlignment.do";
 
-            HttpClient client = CommonFunction.Client;
+            var body = new
+            {
+                FormatType = "text",
+                Scene = "general",
+                SourceLanguage = SourceLanguage,
+                SourceText = sourceText,
+                TargetLanguage = desLang,
+            };
+
+            string bodyString = JsonSerializer.Serialize(body);
+            string bodyMd5 = string.Empty;
+            using (MD5 md5Hash = MD5.Create())
+            {
+                // 将输入字符串转换为字节数组并计算哈希数据  
+                byte[] data = md5Hash.ComputeHash(Encoding.UTF8.GetBytes(bodyString));
+                // 返回BASE64字符串  
+                bodyMd5 = Convert.ToBase64String(data);
+            }
 
-            HttpContent content = new StringContent(bodyString);
-            content.Headers.ContentType = new System.Net.Http.Headers.MediaTypeHeaderValue("application/x-www-form-urlencoded");
+            string uuid = Guid.NewGuid().ToString();
 
+            string stringToSign = method + "\n" + accept + "\n" + bodyMd5 + "\n" + host + "\n" + date + "\n"
+                    + "x-acs-signature-method:HMAC-SHA1\n"
+                    + "x-acs-signature-nonce:" + uuid + "\n"
+                    + path;
 
-            try
+            string signature = string.Empty;
+            using (HMACSHA1 mac = new HMACSHA1(Encoding.UTF8.GetBytes(SecretKey)))
             {
-                HttpResponseMessage response = client.PostAsync(url, content).GetAwaiter().GetResult();//改成自己的
-                response.EnsureSuccessStatusCode();//用来抛异常的
-                string responseBody = response.Content.ReadAsStringAsync().GetAwaiter().GetResult();
+                byte[] hash = mac.ComputeHash(Encoding.UTF8.GetBytes(stringToSign));
+                signature = Convert.ToBase64String(hash);
+            }
 
-                Regex reg = new Regex(@",""listTargetText"":\[""(.*?)""\],");
-                Match match = reg.Match(responseBody);
+            string authHeader = "acs " + SecretId + ":" + signature;
 
-                string result = match.Groups[1].Value;
-                return result;
-                //string ret = result.payload.translations[0].translation;
+            var client = new RestClient($"https://{host}");
+            var request = new RestRequest(path,Method.Post);
+            request.AddHeader("Authorization", authHeader);
+            request.AddHeader("Accept", accept);
+            request.AddHeader("Content-MD5", bodyMd5);
+            request.AddHeader("Content-Type", host);
+            request.AddHeader("Date", date);
+            request.AddHeader("x-acs-signature-method", "HMAC-SHA1");
+            request.AddHeader("x-acs-signature-nonce", uuid);
 
-                //return ret;
+            request.AddStringBody(bodyString,DataFormat.Json);
 
-                //return responseBody;
-            }
-            catch (System.Net.Http.HttpRequestException ex)
-            {
 
-                return ex.Message;
-            }
-            catch (System.Threading.Tasks.TaskCanceledException ex)
-            {
+            var response = client.Execute(request);
 
-                return ex.Message;
-            }
+            Regex reg = new Regex(@"""Translated"":""(.*?)""");
+            Match match = reg.Match(response.Content);
+            string result = match.Groups[1].Value;
+            return result;
 
         }
 
         public void TranslatorInit(string param1, string param2)
         {
-
+            SecretId = param1;
+            SecretKey = param2;
         }
     }
 }
diff --git a/TsubakiTranslator/TranslateAPILibrary/TencentTranslator.cs b/TsubakiTranslator/TranslateAPILibrary/TencentTranslator.cs
@@ -13,8 +13,8 @@ namespace TsubakiTranslator.TranslateAPILibrary
     public class TencentTranslator : ITranslator
     {
 
-        private string SecretId;//腾讯翻译API SecretId
-        private string SecretKey;//腾讯翻译API SecretKey
+        private string SecretId { get; set; }//腾讯翻译API SecretId
+        private string SecretKey { get; set; }//腾讯翻译API SecretKey
 
         private readonly string name = "腾讯";
         public string Name { get => name; }

diff --git a/TsubakiTranslator/TsubakiTranslator.csproj b/TsubakiTranslator/TsubakiTranslator.csproj
@@ -26,6 +26,7 @@
     <PackageReference Include="CommunityToolkit.Mvvm" Version="7.1.2" />
     <PackageReference Include="MaterialDesignThemes" Version="4.3.0" />
     <PackageReference Include="Microsoft.CognitiveServices.Speech" Version="1.20.0" />
+    <PackageReference Include="RestSharp" Version="108.0.1" />
   </ItemGroup>
 
   <ItemGroup>

diff --git a/TsubakiTranslator/UserConfigPage.xaml b/TsubakiTranslator/UserConfigPage.xaml
@@ -66,7 +66,19 @@
                         <TextBlock Text="详情请搜索『阿里云机器翻译』。" 
                                    Style="{StaticResource MaterialDesignHelperTextBlock}" 
                                    FontSize="13" Margin="0 8 0 8"/>
-                        <CheckBox Content="启用" IsChecked="{Binding AliyunIsEnabled,Mode=TwoWay}"/>
+                        <CheckBox Content="启用" x:Name="AliEnabledComboBox"
+                                  IsChecked="{Binding AliIsEnabled,Mode=TwoWay}"/>
+
+                        <TextBox materialDesign:HintAssist.Hint="SecretId" 
+                                 Style="{StaticResource MaterialDesignFloatingHintTextBox}"
+                                 VerticalAlignment="Center"
+                                 IsEnabled="{Binding Path=IsChecked, ElementName=AliEnabledComboBox}" Cursor="IBeam"
+                                 Text="{Binding Path=AliSecretId,Mode=TwoWay}"/>
+                        <TextBox materialDesign:HintAssist.Hint="SecretKey" 
+                                 Style="{StaticResource MaterialDesignFloatingHintTextBox}"
+                                 VerticalAlignment="Center"
+                                 IsEnabled="{Binding Path=IsChecked, ElementName=AliEnabledComboBox}" Cursor="IBeam"
+                                 Text="{Binding Path=AliSecretKey,Mode=TwoWay}"/>
                     </StackPanel>
                 </Expander>