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c# - native 消息响应扩展 chrome

转载 作者:太空宇宙 更新时间:2023-11-03 12:32:29 25 4
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我用这个代码

// background.js
chrome.runtime.sendNativeMessage( "com.example.native",
{ text: "test" },
function(response) {
console.log("Received " + response);
});

C#代码

private static void OpenStandardStreamOut(string stringData)
{
string msgdata = "{\"text\":\"" + stringData + "\"}";
int DataLength = msgdata.Length;
Stream stdout = Console.OpenStandardOutput();
stdout.WriteByte((byte)((DataLength >> 0) & 0xFF));
stdout.WriteByte((byte)((DataLength >> 8) & 0xFF));
stdout.WriteByte((byte)((DataLength >> 16) & 0xFF));
stdout.WriteByte((byte)((DataLength >> 24) & 0xFF));
Console.Write(msgdata);
}

private static List<LoginPack> OpenStandardStreamIn()
{
Stream stdin = Console.OpenStandardInput();
int length = 0;
byte[] bytes = new byte[4];
stdin.Read(bytes, 0, 4);
length = System.BitConverter.ToInt32(bytes, 0);
string input = "";
for (int i = 0; i < length; i++)
{
input += (char)stdin.ReadByte();
}
JObject Read=(JObject)JsonConvert.DeserializeObject<JObject>(input);
//string dataPackStr = JsonConvert.SerializeObject(Read);
Chrome chromeClass = new Chrome();
List<LoginPack> lp = new List<LoginPack>();
if (Read!=null)
if (Read.Count != 0)
lp = chromeClass.getInfoFromChrome(Read["text"].ToString());
if (lp.Count == 0)
return null;
return lp;
}

//类 Chrome

public class Chrome
{
public class Data
{
public string key { get; set; }
public string value { get; set; }
}

public List<LoginPack> getInfoFromChrome(string colName)
{
try
{
// string filename = "my_chrome_passwords.html";
// StreamWriter Writer = new StreamWriter(filename, false, Encoding.UTF8);
string db_way = Environment.GetFolderPath(Environment.SpecialFolder.LocalApplicationData)
+ "/Google/Chrome/User Data/Profile 1/Login Data1";
Console.WriteLine("DB file = " + db_way);
string db_field = "logins";
List<LoginPack> lp = new List<LoginPack>();
byte[] entropy = null;
string description;
string ConnectionString = "data source=" + db_way + ";New=True;UseUTF16Encoding=True";
DataTable DB = new DataTable();
string sql = string.Format("SELECT * FROM {0} where action_url=\"{1}\" or origin_url=\"{2}\"", db_field, colName, colName);
// System.IO.StreamWriter file1 = new System.IO.StreamWriter("c:\\test.txt");
// file1.WriteLine(sql);
// file1.Close();
using (SQLiteConnection connect = new SQLiteConnection(ConnectionString))
{
SQLiteCommand command = new SQLiteCommand(sql, connect);
SQLiteDataAdapter adapter = new SQLiteDataAdapter(command);
adapter.Fill(DB);
int rows = DB.Rows.Count;
for (int i = 0; i < rows; i++)
{
byte[] byteArray = (byte[])DB.Rows[i][5];
byte[] decrypted = DPAPI.Decrypt(byteArray, entropy, out description);
lp.Add(new LoginPack { userNameElement = (string)DB.Rows[i][2], userName = (string)DB.Rows[i][3], passElement = (string)DB.Rows[i][4], pass = new UTF8Encoding(true).GetString(decrypted) });
//System.IO.StreamWriter file = new System.IO.StreamWriter("c:\\test2.txt");
//file.WriteLine(lp[i].userName);
//file.Close();
}
}
// Writer.Close();
return lp;
}
catch (Exception ex)
{
Console.WriteLine(ex.Message);
ex = ex.InnerException;
return null;
}
}
}

应用程序 (C#) 从扩展程序中提供数据,但扩展程序无法从应用程序获得任何响应如果我首先使用 OpenStandardStreamOut 函数(在 C# 应用程序中),那么扩展可以从中得到响应有什么问题吗?

最佳答案

我认为您的“Chrome”类运行不佳。再次检查并确保使用标准流而不是第三方流。同时删除 Console.WriteLine("DB file = "+ db_way); 行并重试。

关于c# - native 消息响应扩展 chrome,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/42201713/

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