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頁數 1 / 17 下一頁
搜尋 CK 結果:
AWS SES 建立 SNS 通知
在 powershell 執行以下的指令


# List of SES identities
$identities = @(
    "wztech.com.tw",
    "s3.com.tw",
    "jdcard.com.tw",
    "mskcable.com",
    "uwinfo.com.tw",
    "bike.idv.tw",
    "richwave.com.tw",
    "ctcn.com.tw",
    "jcard.com.tw",
    "bike@bike.idv.tw",
    "ee@ier.org.tw"
)

foreach ($identity in $identities) {
    # Convert identity to a valid topic name by replacing '@' and '.' with '_'
    $safeIdentity = $identity -replace "@", "_" -replace "\.", "_"
    $topicName = "SES_NOTIFY_$safeIdentity"
    $endpoint = "https://working.uwinfo.com.tw/aws/api/sns/receive?topic=$topicName"

    # Validate topic name format
    if ($topicName -notmatch '^[a-zA-Z0-9_\-\$]+$') {
        Write-Host "❌ Invalid topic name: $topicName"
        continue
    }

    # 1. Create SNS topic
    $topicArn = aws sns create-topic `
        --name $topicName `
        --query 'TopicArn' `
        --output text

    Write-Host "✔ Created topic: $topicArn"

    # 2. Subscribe webhook
    aws sns subscribe `
        --topic-arn $topicArn `
        --protocol https `
        --notification-endpoint $endpoint

    Write-Host "✔ Subscribed webhook: $endpoint"

    # 3. Link SES notifications
    foreach ($type in @("Delivery", "Bounce", "Complaint")) {
        aws ses set-identity-notification-topic `
            --identity $identity `
            --notification-type $type `
            --sns-topic $topicArn
        Write-Host "✔ $type linked to $topicName"
    }

    Write-Host "✅ Setup complete for $identity\n"
}

Write-Host "🎉 All identities processed."



收到的 log 會放在這裡: E:\WebBackup\195\ASP.NET Project\working\Data\Log\sns

 
 
More...
Bike, 2025/4/16 上午 10:40:39
AWS SES 建立 SNS 通知
在 powershell 執行以下的指令

# List of SES identities
$identities = @(
    "wztech.com.tw",
    "s3.com.tw",
    "jdcard.com.tw",
    "mskcable.com",
    "uwinfo.com.tw",
    "bike.idv.tw",
    "richwave.com.tw",
    "ctcn.com.tw",
    "jcard.com.tw",
    "bike@bike.idv.tw",
    "ee@ier.org.tw"
)

foreach ($identity in $identities) {
    # Convert identity to a valid topic name by replacing '@' and '.' with '_'
    $safeIdentity = $identity -replace "@", "_" -replace "\.", "_"
    $topicName = "SES_NOTIFY_$safeIdentity"
    $endpoint = "https://working.uwinfo.com.tw/aws/api/sns/receive?topic=$topicName"

    # Validate topic name format
    if ($topicName -notmatch '^[a-zA-Z0-9_\-\$]+$') {
        Write-Host "❌ Invalid topic name: $topicName"
        continue
    }

    # 1. Create SNS topic
    $topicArn = aws sns create-topic `
        --name $topicName `
        --query 'TopicArn' `
        --output text

    Write-Host "✔ Created topic: $topicArn"

    # 2. Subscribe webhook
    aws sns subscribe `
        --topic-arn $topicArn `
        --protocol https `
        --notification-endpoint $endpoint

    Write-Host "✔ Subscribed webhook: $endpoint"

    # 3. Link SES notifications
    foreach ($type in @("Delivery", "Bounce", "Complaint")) {
        aws ses set-identity-notification-topic `
            --identity $identity `
            --notification-type $type `
            --sns-topic $topicArn
        Write-Host "✔ $type linked to $topicName"
    }

    Write-Host "✅ Setup complete for $identity\n"
}

Write-Host "🎉 All identities processed."

--

收到的 log 會放在這裡: E:\WebBackup\195\ASP.NET Project\working\Data\Log\sns

 
 
More...
Bike, 2025/4/16 上午 10:40:31
mysql 使用 EF model 要注意的地方
近日處理我們公司某個使用 my sql 的專案,已經被雷的幾次,紀錄一下

1.  使用 EF Scaffolding 指令去更新 Model ,有些欄位原本是明確型別 變成 可null型別
     也就是本來是 datetime 變成 datetime?, int 變成 int?
     看起來是一些 view 的欄位會有這些狀況,這時就要去 git revert ,避免build專案又一堆錯誤
2.  使用 IQueryable 語法處理時間要小心,不要在裡面計算時間。
     
DateTime shouldBeGiveCoinDateTime = DateTime.Now.AddDays(-14);
return dbContext.ViewOrderForCoinCronJob.AsNoTracking().Where(x =>
    x.CompletedAt <= shouldBeGiveCoinDateTime
    && x.CreatedAt >= DateTime.Now.AddYears(-1) // -> 這裡轉換mysql指令會出錯
    && x.DeletedAt == null
    && x.CoinAmount > 0
    && x.Status == (byte)ORDER_STATUS.COMPLETED
    && dbContext.PackingMain.Any(y => y.OrderId == x.Id)
    && x.IsGiveCoin != 0
    && !dbContext.CoinLog.Any(y =>
        y.OrderId == x.Id
        && y.StrKey.Contains(COIN_LOG.STRING_KEY_PREFIX.ORDER_ACCUMULATION)
    )
).ToList();

要把時間計算先算出來,再帶入式子
DateTime shouldBeGiveCoinDateTime = DateTime.Now.AddDays(-14);
DateTime createDateStartAt = DateTime.Now.AddYears(-1); // -> 先算出日期
return dbContext.ViewOrderForCoinCronJob.AsNoTracking().Where(x =>
    x.CompletedAt <= shouldBeGiveCoinDateTime
    && x.CreatedAt >= createDateStartAt // -> 帶入算好的日期
    && x.DeletedAt == null
    && x.CoinAmount > 0
    && x.Status == (byte)ORDER_STATUS.COMPLETED
    && dbContext.PackingMain.Any(y => y.OrderId == x.Id)
    && x.IsGiveCoin != 0
    && !dbContext.CoinLog.Any(y =>
        y.OrderId == x.Id
        && y.StrKey.Contains(COIN_LOG.STRING_KEY_PREFIX.ORDER_ACCUMULATION)
    )
).ToList();


 
More...
darren, 2025/3/10 下午 05:43:38
Chrome 連接藍芽 BLE 印表機(出單機),使用 ESC / POS 列印繁體中文和 Qrcode
<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>BLE Printer Test</title>
    <script src="https://cdn.jsdelivr.net/npm/iconv-lite-umd@0.6.10/lib/iconv-lite-umd.js"></script>
</head>
<body>
    <h1>BLE Printer Test 123</h1>
    <button id="printTestButton">Test Print</button>
    <button id="printAgain">Print Again</button>
    <pre id="log"></pre>
    <script>
        // Function to log messages on the page
        function logMessage(message) {
            const logElement = document.getElementById('log');
            logElement.textContent += message + '\n';
        }
        var device;
        var server;
        var service;
        var characteristic;
        var name = 'T58_6752'; // 藍芽設備的名稱
        var uuid = 0x1800; //service UUID (用 BLE Scanner 找到的)
        var characteristicUuid = 0x2A00; // characteristic UUID (用 BLE Scanner 找到的)
        // Function to connect to BLE printer and send test data

        async function connectAndTestPrint() {

            try {
                logMessage("Requesting Bluetooth device...");

                // Request the BLE device
                device = await navigator.bluetooth.requestDevice({
                    //acceptAllDevices: true,
                    filters: [
                        { name: name }
                    ],
                    optionalServices: [uuid] // Replace with the correct service UUID
                });

                logMessage(`Device selected: ${device.name}`);
                logMessage(`Device uuid: ${device.id}`);

                await printAgain();


            } catch (error) {
                logMessage(`Error: ${error.message}`);
            }
        }

        // 转码方法
        function stringToGbk(str) {
            const ranges = [
                [0xA1, 0xA9, 0xA1, 0xFE],
                [0xB0, 0xF7, 0xA1, 0xFE],
                [0x81, 0xA0, 0x40, 0xFE],
                [0xAA, 0xFE, 0x40, 0xA0],
                [0xA8, 0xA9, 0x40, 0xA0],
                [0xAA, 0xAF, 0xA1, 0xFE],
                [0xF8, 0xFE, 0xA1, 0xFE],
                [0xA1, 0xA7, 0x40, 0xA0],
            ]
            const codes = new Uint16Array(23940)
            let i = 0

            for (const [b1Begin, b1End, b2Begin, b2End] of ranges) {
                for (let b2 = b2Begin; b2 <= b2End; b2++) {
                    if (b2 !== 0x7F) {
                        for (let b1 = b1Begin; b1 <= b1End; b1++) {
                            codes[i++] = b2 << 8 | b1
                        }
                    }
                }
            }
            const cstr = new TextDecoder('gbk').decode(codes)

            // 编码表
            const table = new Uint16Array(65536)
            for (let i = 0; i < cstr.length; i++) {
                table[cstr.charCodeAt(i)] = codes[i]
            }
            const buf = new Uint8Array(str.length * 2)
            let n = 0

            for (let i = 0; i < str.length; i++) {
                const code = str.charCodeAt(i)
                if (code < 0x80) {
                    buf[n++] = code
                } else {
                    const gbk = table[code]
                    buf[n++] = gbk & 0xFF
                    buf[n++] = gbk >> 8
                }
            }
            u8buf = buf.subarray(0, n)
            // console.log(u8buf);
            return u8buf
        }

        async function printAgain() {
            // Connect to the GATT server
            server = await device.gatt.connect();
            logMessage("Connected to GATT server.");

            // Get the printer service
            service = await server.getPrimaryService(uuid); // Replace with your printer's service UUID
            logMessage("Printer service retrieved.");

            // Get the characteristic for writing data
            characteristic = await service.getCharacteristic(characteristicUuid); // Replace with the correct characteristic UUID
            logMessage("Printer characteristic retrieved.");

            // Prepare test print data
            const encoder = new TextEncoder();
            const testData = encoder.encode("TEST PRINT: Hello from Web Bluetooth!\n");
            const finalData = encoder.encode("--\n--\n \n \n");

            const setFontSize = new Uint8Array([0x1D, 0x21, 0x11]); // GS ! n
            const setFontSize2 = new Uint8Array([0x1D, 0x21, 0x22]); // GS ! n
            const setFontSize3 = new Uint8Array([0x1D, 0x21, 0x33]); // GS ! n

            // Write test data to the printer
            logMessage("Sending test data to printer...");

            await characteristic.writeValue(new Uint8Array([0x1D, 0x21, 0x00]));
            await characteristic.writeValue(encoder.encode("1x1!\n"));
            await characteristic.writeValue(setFontSize);
            await characteristic.writeValue(encoder.encode("2x2!\n"));
            await characteristic.writeValue(setFontSize2);
            await characteristic.writeValue(encoder.encode("3x3!\n"));
            await characteristic.writeValue(setFontSize3);
            await characteristic.writeValue(encoder.encode("4x4!\n"));


            const initPrinter = new Uint8Array([0x1B, 0x40]); // ESC @
            await characteristic.writeValue(initPrinter);

            // 3. 設置字符集為 GBK
            const setGBK = new Uint8Array([0x1B, 0x74, 0x11]); // ESC t 0x11 (GBK)
            await characteristic.writeValue(setGBK);

            const text = "繁體中文測試\n \n";
            const encodedText = stringToGbk(text);
            await characteristic.writeValue(encodedText);
            logMessage("Test data sent successfully!");

            // QrCode 列印
            const qrData = "https://example.com"; // Your QR code data
            const qrDataLength = qrData.length + 3;
            const pL = qrDataLength & 0xFF; // Low byte
            const pH = (qrDataLength >> 8) & 0xFF; // High byte

            const commands = [
                0x1B, 0x40, // Initialize printer
                0x1D, 0x28, 0x6B, pL, pH, 0x31, 0x50, 0x30, ...new TextEncoder().encode(qrData), // Store data
                0x1D, 0x28, 0x6B, 0x03, 0x00, 0x31, 0x51, 0x30 // Print QR code
            ];

            const buffer = new Uint8Array(commands);
            await characteristic.writeValue(buffer);
            logMessage("QrCode sent successfully!");

            await characteristic.writeValue(finalData);
            logMessage("finalData sent successfully!");

            // Disconnect the GATT server
            server.disconnect();
            logMessage("Disconnected from printer.");
        }

        // Bind the function to the button
        document.getElementById('printTestButton').addEventListener('click', connectAndTestPrint);
        document.getElementById('printAgain').addEventListener('click', printAgain);
    </script>
</body>
</html>
More...
Bike, 2025/1/2 下午 02:20:15
查詢所有執行中的 SQL (mssql) keyword: 長時間, 總時間
用以下指令可以對 Ms-SQL Server 查出所有正在執行的 SQL 指令,並且依 執行總時間 反向排序

SELECT      r.scheduler_id as 排程器識別碼,
            status         as 要求的狀態,
            r.session_id   as SPID,
            r.blocking_session_id as BlkBy,
            substring(
                ltrim(q.text),
                r.statement_start_offset/2+1,
                (CASE
                 WHEN r.statement_end_offset = -1
                 THEN LEN(CONVERT(nvarchar(MAX), q.text)) * 2
                 ELSE r.statement_end_offset
                 END - r.statement_start_offset)/2)
                 AS [正在執行的 T-SQL 命令],
            r.cpu_time      as [CPU Time(ms)],
            r.start_time    as [開始時間],
            r.total_elapsed_time as [執行總時間],
            r.reads              as [讀取數],
            r.writes             as [寫入數],
            r.logical_reads      as [邏輯讀取數],
            -- q.text, /* 完整的 T-SQL 指令碼 */
            d.name               as [資料庫名稱]
FROM        sys.dm_exec_requests r 
            CROSS APPLY sys.dm_exec_sql_text(sql_handle) AS q
            LEFT JOIN sys.databases d ON (r.database_id=d.database_id)
WHERE       r.session_id <> @@SPID
ORDER BY    r.total_elapsed_time desc
More...
Bike, 2024/12/2 下午 04:44:39
多專案的 swagger 設定 (swashbuckle.aspnetcore)
多專案(multiple projects)時,會產生多個 xml document, 叫用 IncludeXmlComments 時記得要把每個專案的 xml document 都載入,才能顯示不同專案中的註解和說明 (comment)。

範例如下:

builder.Services.AddSwaggerGen(options =>
{
    options.SwaggerDoc("v1", new OpenApiInfo { Title = "My API", Version = "v1" });

    //多個 Project, 每一個 xmldocument 都要載入
    List<string> xmlFiles = Directory.GetFiles(AppContext.BaseDirectory, "*.xml", SearchOption.TopDirectoryOnly).ToList();
    foreach (string fileName in xmlFiles)
    {
        string xmlFilePath = Path.Combine(AppContext.BaseDirectory, fileName);
        if (File.Exists(xmlFilePath))
            options.IncludeXmlComments(xmlFilePath, includeControllerXmlComments: true);
    }

    //防止 SchemaId 的錯誤
    options.CustomSchemaIds(type => type.ToString());
});


這些都可以從註解中讀取:


 
 

 
More...
Bike, 2024/8/8 上午 10:21:46
postgreSql 大型 table 跑 Count 非常慢
可參考本文章:

https://dba.stackexchange.com/questions/245990/postgresql-extremely-slow-count-with-index-simple-query

vacuum analyze insider_event;
執行了 7 分鐘

ALTER TABLE insider_event SET (autovacuum_vacuum_scale_factor = 0, autovacuum_analyze_scale_factor = 0,  autovacuum_vacuum_threshold = 10000, autovacuum_analyze_threshold = 10000);

跑了 1.2 分鐘

修改 work_mem:
https://www.pgmustard.com/blog/work-mem

記憶體調整
https://www.enterprisedb.com/postgres-tutorials/how-tune-postgresql-memory
More...
Bike, 2024/2/5 上午 06:55:40
Restful 的 API 範例
Restful 的 API 範例,比較特別的是取得單一筆資料時,不是用一般常見的 {id} 而是用 get?id=xxx 的方式,以避免 XXS 的功擊。(不要把原網頁中的參數拼入 API 網址,要改用 Query String 的方式傳給 API)

using Ds;
using Ds.Gv;
using iText.Kernel.Geom;
using Microsoft.AspNetCore.Mvc;
using Microsoft.EntityFrameworkCore;
using NPOI.SS.Formula.Functions;
using NPOI.SS.Util;
using Su;
using System.Linq.Expressions;

namespace CallCampaign.Api
{
    /// <summary>
    /// 行銷活動
    /// </summary>
    [Route("api/call-campaign")]
    [ApiController]
    [SetAuthorizationFilter(Sh.AuthCode.不設限)]
    public class ReserveCampaignController : Controller
    {
        /// <summary>
        /// 取得行銷活動列表
        /// </summary>
        /// <param name="reserveCampaignName"></param>
        /// <param name="currentPage"></param>
        /// <param name="pageSize"></param>
        /// <param name="orderByName"></param>
        /// <param name="sort"></param>
        /// <returns></returns>
        /// <exception cref="Exception"></exception>
        [HttpGet("")]
        public async Task<object> ListAsync([FromQuery] string reserveCampaignName = "", [FromQuery] int? currentPage = 1, [FromQuery] int? pageSize = 20, [FromQuery] string orderByName = "OrderNo", [FromQuery] string sort = "asc")
        {
            if (pageSize > 500)
            {
                pageSize = 500;
            }

            if (!(sort == "asc" || sort == "desc"))
            {
                throw new CustomException(System.Net.HttpStatusCode.BadRequest, "sort只能是asc或desc");
            }

            var temp = new V_ReserveCampaign().GetType().GetProperty(orderByName);
            if (temp == null)
            {
                throw new CustomException(System.Net.HttpStatusCode.BadRequest, "不存在欄位");
            }

            Expression<Func<V_ReserveCampaign, bool>> q = p => p.Is_Deleted == "N"
                    && (string.IsNullOrEmpty(reserveCampaignName) || (p.ReserveCampaignName != null && p.ReserveCampaignName.Contains(reserveCampaignName)))
                    ;

            if (orderByName.ToLower().Trim() != "id")
            {
                orderByName += " " + sort + ", id desc";
            }
            else
            {
                orderByName += " " + sort;
            }

            var ct = NewContext.GvContext;
            var list = await ct.GetPageListAsync(q, columns: "Id, ReserveCampaignName, OrderNo, StartAt, EndAt, ModifierName, ModifyDate, CreatorName, CreateDate", page: currentPage ?? 1, pageSize: pageSize ?? 20, orderByName);
            //var list = await ct.GetPageListAsync(q, page: currentPage ?? 1, pageSize: pageSize ?? 20, orderByName + " " + sort);
            return list;
        }

        /// <summary>
        /// 取得行銷活動
        /// </summary>
        /// <param name="Id"></param>
        /// <returns></returns>
        /// <exception cref="Exception"></exception>
        [HttpGet("get")]
        public async Task<dynamic> GetAsync([FromQuery] int Id)
        {
            var res = await Ds.NewContext.GvContext.ReserveCampaigns.Where(r => r.Id == Id)
                .FirstOrDefaultAsync();

            if (res == null)
            {
                throw new CustomException(System.Net.HttpStatusCode.BadRequest, "查無資料 " + Id.ToString());
            }
            return res;
        }
                
        /// <summary>
        /// 建立行銷活動
        /// </summary>
        /// <param name="dto"></param>
        /// <returns></returns>
        /// <exception cref="CustomException"></exception>
        [HttpPost("")]
        public async Task<object> CreateAsync(Dtos.CreateReserveCampaign dto)
        {
            var ct = NewContext.GvContext;
            var res = await Models.ReserveCampaignHelper.CreateReserveCampaignAsync(ct, dto);
            return res;
        }

        /// <summary>
        /// 編輯行銷活動
        /// </summary>
        /// <param name="dto"></param>
        /// <returns></returns>
        /// <exception cref="CustomException"></exception>
        [HttpPatch("")]
        public async Task<object> UpdateAsync(Dtos.UpdateReserveCampaign dto)
        {
            var ct = NewContext.GvContext;
            var res = await Models.ReserveCampaignHelper.UpdateReserveCampaignAsync(ct, dto);
            return res;
        }

        /// <summary>
        /// 刪除行銷活動
        /// </summary>
        /// <param name="id"></param>
        /// <returns></returns>
        /// <exception cref="CustomException"></exception>
        [HttpDelete("")]
        public async Task<object> DeleteAsync([FromQuery] int id)
        {
            var res = await Ds.NewContext.GvContext.MarkDeleteAsync<Ds.Gv.ReserveCampaign>(id, Sh.ModifyInfo);
            return res;
        }
    }
}



再增加一個同步範例(只例出 action)


        /// <summary>
        /// 取得列表
        /// </summary>
        /// <param name="name"></param>
        /// <param name="currentPage"></param>
        /// <param name="pageSize"></param>
        /// <param name="orderByName"></param>
        /// <param name="sort"></param>
        /// <returns></returns>
        [HttpGet("")]
        public object List([FromQuery] string name = "", [FromQuery] int? currentPage = 1, [FromQuery] int? pageSize = 20, [FromQuery] string orderByName = "OrderNo", [FromQuery] string sort = "asc")
        {
            return "";
        }

        /// <summary>
        /// 取得明細資料
        /// </summary>
        /// <param name="Id"></param>
        /// <returns></returns>
        /// <exception cref="Exception"></exception>
        [HttpGet("get")]
        public object Get([FromQuery] int id)
        {
            return "";
        }

        /// <summary>
        /// 建立
        /// </summary>
        /// <param name="dto"></param>
        /// <returns></returns>
        /// <exception cref="CustomException"></exception>
        [HttpPost("")]
        public object Create(Dtos.PhysicalCheckUpType dto)
        {
            return "";
        }

        /// <summary>
        /// 編輯
        /// </summary>
        /// <param name="dto"></param>
        /// <returns></returns>
        /// <exception cref="CustomException"></exception>
        [HttpPatch("")]
        public object Update(Dtos.PhysicalCheckUpType dto)
        {
            return "";
        }

        /// <summary>
        /// 刪除
        /// </summary>
        /// <param name="id"></param>
        /// <returns></returns>
        /// <exception cref="CustomException"></exception>
        [HttpDelete("")]
        public object Delete([FromQuery] int id)
        {
            return 1;
        }
More...
Bike, 2023/12/13 上午 08:54:28
查詢佔用 CPU 的排程
DECLARE @tblVariable TABLE(SPID INT, Status VARCHAR(200), [Login] VARCHAR(200), HostName VARCHAR(200), 
    BlkBy VARCHAR(200), DBName VARCHAR(200), Command VARCHAR(200), CPUTime INT, 
    DiskIO INT, LastBatch VARCHAR(200), ProgramName VARCHAR(200), _SPID INT, 
    RequestID INT)

INSERT INTO @tblVariable
EXEC Master.dbo.sp_who2

SELECT v.*, t.TEXT 
FROM @tblVariable v
INNER JOIN sys.sysprocesses sp ON sp.spid = v.SPID
CROSS APPLY sys.dm_exec_sql_text(sp.sql_handle) AS t
ORDER BY BlkBy DESC, CPUTime DESC

kill xxx

參考: https://learn.microsoft.com/en-us/answers/questions/842347/sql-server-how-to-find-out-who-lock-my-specific-ta
More...
Bike, 2023/8/17 上午 10:44:05
.net Core環境變數加密方式
簡易執行方式
1. 確定Program.cs有加上Su.Encryption.AesEncryptor.InitAesPaddingEncryptor(secret , iv , encKey , dataRoot)
2. 確定appsettings.json有設定變數,DataRoot、EnvironmentEncKey
3. 先執行一次,會報錯誤,在dataRoot位置會產生一組$"{encKey}.ps1,裡面會放設定環境變數的指令
4. 設定完,記得把 $"{encKey}.ps1檔案刪除
===以上,設定完環境變數===
1. 確定Program.cs有加上Dictionary<string, string> encSetting = Su.Encryption.GetDecryptedSetting
2. 確定appsettings.json有設定變數,DataRoot、EnvironmentEncKey , ShowEncSetting 設定為 false
3. 在 $"{dataRoot}\Config\XXXX_dec.json"設定DBC連線,要注意連線字串要加上  "TrustServerCertificate=true;",因為.net Core一定要藥用SSL連線
4. 設定完之後,在執行一次,會自動產生XXXX.json
5. 刪除XXXX_dec.json
===以上,產生完加密DBC連線
備註,要取回解密連線字串,appsettings.json有設定變數 , ShowEncSetting 設定為 true

概念解說
原本  >> config大多是明文,駭客可以藉由偷到config來知道變數設定,例如  dbc連線資訊、某個APP Key
之後  >> 將重要資訊分成兩段,
appsettings.json  >>  放可公開資訊的設定,例如 DataRoot、EnvironmentEncKey

在環境變數加上一個 由本機產生的隨機變數
讓本機的所有


原理說明
1. .Net Core 啟動時最先執行檔案 Program.cs,在一開頭先檢查本機是否有設定環境變數
緯中用的function Su.Encryption.AesEncryptor.InitAesPaddingEncryptor(secret , iv , encKey , dataRoot)
進階加密標準(英語:Advanced Encryption Standard,縮寫:AES)

沒有的話,會在 dataRoot 這邊產生一個 encKey.ps1的檔案,裡面放有環境變數設定的指令
(encSecretAndIv = Su.Encryption.AesEncryptor.Encrypt(envSecret, envIv, Su.TextFns.GetRandomString(48));
var command = $"[Environment]::SetEnvironmentVariable('{variableName}', '{encSecretAndIv}', 'Machine')";)
(隨機產生48碼亂數,(前32碼為本機專用Secret、後16碼為iv),進行aes加密)




 
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Doug, 2023/6/17 下午 12:04:28
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