var root = "C://wdqd/qwewq";
var addPath = @"//\\/fwef/qwf";
var addPath2 = @"5fwfef/qwf";
var addPath3 = @"//fwef/qwf";
var addPath4 = @"\\\fwef/qwf";
var addPath5 = @"\\\\\/fwef/qwf";
var result = root.AddPath(addPath, addPath2, addPath3, addPath4, addPath5);
Console.WriteLine(result);
public static class Helper
{
public static string AddPath(this string value, params string[] addPaths)
{
if (string.IsNullOrEmpty(value))
{
throw new Exception("起始目錄不可以為空字串");
}
if (value.Contains("..") || addPaths.Any(x => x.Contains("..")))
{
throw new Exception($"value: {value}, addPaths: {addPaths.Where(x => x.Contains("..")).ToOneString()} 檔名與路徑不可包含 ..");
}
var paths = addPaths.Select(x => x.Substring(x.FindLastContinuousCharPosition('/', '\\') + 1).SafeFilename()).ToList();
if (paths.Any(x => System.IO.Path.IsPathRooted(x)))
{
throw new Exception("不可併入完整路徑 ..");
}
paths.Insert(0, value.SafeFilename());
return System.IO.Path.Combine(paths.ToArray());
}
public static string ToOneString<T>(this IEnumerable<T> list, string separator = ",")
{
var strList = list.Select(x => x.ToString());
return string.Join(separator, strList);
}
public static int FindLastContinuousCharPosition(this string input, params char[] targets)
{
int lastPosition = -1;
for (int i = 0; i < input.Length; i++)
{
if (targets.Contains(input[i]))
{
lastPosition = i;
}
else
{
break;
}
}
return lastPosition;
}
public static string SafeFilename(this string value)
{
return GetValidFilename(value);
}
public static string GetValidFilename(string value)
{
string ValidFilenameCharacters = @"0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ\-_$.@:/# ";
if (value.Contains(".."))
{
throw new Exception("路徑中不可包含 .. ");
}
string newUrl = "";
for (int i = 0; i < value.Length; i++)
{
var c = value.Substring(i, 1);
int k = ValidFilenameCharacters.IndexOf(c);
if (k < 0)
{
throw new Exception($"檔名 '{value}' 中有非法的字元 '" + c + "'。");
}
newUrl += ValidFilenameCharacters.Substring(k, 1);
}
return newUrl;
}
}
static List<Brush> CaptchaBrushes = null;
public static FileStreamResult CreateCaptcha(string captcha)
{
if (CaptchaBrushes == null)
{
CaptchaBrushes = new List<Brush>();
CaptchaBrushes.Add(Brushes.White);
CaptchaBrushes.Add(Brushes.Gold);
CaptchaBrushes.Add(Brushes.LightSkyBlue);
CaptchaBrushes.Add(Brushes.LimeGreen);
CaptchaBrushes.Add(Brushes.AliceBlue);
CaptchaBrushes.Add(Brushes.AntiqueWhite);
CaptchaBrushes.Add(Brushes.BurlyWood);
CaptchaBrushes.Add(Brushes.Silver);
}
int width = 90;
int height = 45;
//https://stackoverflow.com/questions/61365732/cannot-access-a-closed-stream-when-returning-filestreamresult-from-c-sharp-netc
//Using statements close and unload the variable from memory set in the using statement which is why you are getting an error trying to access a closed memory stream.You don't need to use a using statement if you are just going to return the result at the end.
//這個 memory stream 不用關閉或 dispose
var ms = new MemoryStream();
// 釋放所有在 GDI+ 所佔用的記憶體空間 ( 非常重要!! )
using (Bitmap _bmp = new Bitmap(width, height))
using (Graphics _graphics = Graphics.FromImage(_bmp))
using (Font _font = new Font("Courier New", 24, FontStyle.Bold)) // _font 設定要出現在圖片上的文字字型、大小與樣式
{
// (封裝 GDI+ 繪圖介面) 所有繪圖作業都需透過 Graphics 物件進行操作
_graphics.Clear(Color.Black);
// 如果想啟用「反鋸齒」功能,可以將以下這行取消註解
//_graphics.TextRenderingHint = TextRenderingHint.AntiAlias;
// 將亂碼字串「繪製」到之前產生的 Graphics 「繪圖板」上
var x = 10;
for(var i = 0; i < captcha.Length; i++)
{
_graphics.DrawString(captcha.Substring(i, 1), _font, CaptchaBrushes[Su.MathUtil.GetRandomInt(CaptchaBrushes.Count)], x, Su.MathUtil.GetRandomInt(15));
x += 10 + Su.MathUtil.GetRandomInt(10);
}
// 畫線
_graphics.DrawLine(new Pen(CaptchaBrushes[Su.MathUtil.GetRandomInt(CaptchaBrushes.Count)], 1),
Su.MathUtil.GetRandomInt(0, Convert.ToInt32((width * 0.9 / 2))), 0, Su.MathUtil.GetRandomInt(Convert.ToInt32(width / 2), Convert.ToInt32(width * 1.9 / 2)), height);
_graphics.DrawLine(new Pen(CaptchaBrushes[Su.MathUtil.GetRandomInt(CaptchaBrushes.Count)], 1),
Su.MathUtil.GetRandomInt(Convert.ToInt32(width / 2), Convert.ToInt32(width * 1.9 / 2)), 0, Su.MathUtil.GetRandomInt(0, Convert.ToInt32((width * 0.9 / 2))), height);
_graphics.DrawLine(new Pen(CaptchaBrushes[Su.MathUtil.GetRandomInt(CaptchaBrushes.Count)], 1),
0,
Su.MathUtil.GetRandomInt(height / 2),
width,
height / 2 + Su.MathUtil.GetRandomInt(height / 2)
);
_graphics.DrawLine(new Pen(CaptchaBrushes[Su.MathUtil.GetRandomInt(CaptchaBrushes.Count)], 1),
0,
height / 2 + Su.MathUtil.GetRandomInt(height / 2),
width,
Su.MathUtil.GetRandomInt(height / 2)
);
_bmp.Save(ms, System.Drawing.Imaging.ImageFormat.Jpeg);
}
ms.Seek(0, SeekOrigin.Begin);
// Controller 的型別為 FileResult
return new FileStreamResult(ms, "image/jpeg")
{ FileDownloadName = $"{DateTime.Now.Ymdhmsf()}.jpg" };
}
namespace Web.Controllers
{
public class CaptchaController : Controller
{
[Route("captcha")]
public async Task<FileStreamResult> Index()
{
//產生 Captcha 並存入 Session 之中。目前是四位數字
string captcha = (await Ah.ReGetAsync<object>("api/kol/create-captcha-code")).ToString();
//產生圖檔並回傳 FileStreamResult
return Su.Wu.CreateCaptcha(captcha);
}
}
}
/// <summary>
/// 取得授權的項目
/// </summary>
static string[] Scopes = { GmailService.Scope.GmailSend };
// 和登入 google 的帳號無關
// 任意值,若未來有使用者認証,可使用使用者編號或登入帳號。
string Username = "ABC";
/// <summary>
/// 存放 client_secret 和 credential 的地方
/// </summary>
string SecretPath = @"D:\project\GmailTest\Data\Secrets";
/// <summary>
/// 認証完成後回傳的網址, 必需和 OAuth 2.0 Client Id 中填寫的 "已授權的重新導向 URI" 相同。
/// </summary>
string RedirectUri = $"https://localhost:44340/Home/AuthReturn";
/// <summary>
/// 取得認証用的網址
/// </summary>
/// <returns></returns>
public async Task<string> GetAuthUrl()
{
using (var stream = new FileStream(Path.Combine(SecretPath, "client_secret.json"), FileMode.Open, FileAccess.Read))
{
FileDataStore dataStore = null;
var credentialRoot = Path.Combine(SecretPath, "Credentials");
if (!Directory.Exists(credentialRoot))
{
Directory.CreateDirectory(credentialRoot);
}
//存放 credential 的地方,每個 username 會建立一個目錄。
string filePath = Path.Combine(credentialRoot, Username);
dataStore = new FileDataStore(filePath);
IAuthorizationCodeFlow flow = new GoogleAuthorizationCodeFlow(new GoogleAuthorizationCodeFlow.Initializer
{
ClientSecrets = GoogleClientSecrets.Load(stream).Secrets,
Scopes = Scopes,
DataStore = dataStore
});
var authResult = await new AuthorizationCodeWebApp(flow, RedirectUri, Username)
.AuthorizeAsync(Username, CancellationToken.None);
return authResult.RedirectUri;
}
}
public async Task<string> AuthReturn(AuthorizationCodeResponseUrl authorizationCode)
{
string[] scopes = new[] { GmailService.Scope.GmailSend };
using (var stream = new FileStream(Path.Combine(SecretPath, "client_secret.json"), FileMode.Open, FileAccess.Read))
{
//確認 credential 的目錄已建立.
var credentialRoot = Path.Combine(SecretPath, "Credentials");
if (!Directory.Exists(credentialRoot))
{
Directory.CreateDirectory(credentialRoot);
}
//暫存憑証用目錄
string tempPath = Path.Combine(credentialRoot, authorizationCode.State);
IAuthorizationCodeFlow flow = new GoogleAuthorizationCodeFlow(
new GoogleAuthorizationCodeFlow.Initializer
{
ClientSecrets = GoogleClientSecrets.Load(stream).Secrets,
Scopes = scopes,
DataStore = new FileDataStore(tempPath)
});
//這個動作應該是要把 code 換成 token
await flow.ExchangeCodeForTokenAsync(Username, authorizationCode.Code, RedirectUri, CancellationToken.None).ConfigureAwait(false);
if (!string.IsNullOrWhiteSpace(authorizationCode.State))
{
string newPath = Path.Combine(credentialRoot, Username);
if (tempPath.ToLower() != newPath.ToLower())
{
if (Directory.Exists(newPath))
Directory.Delete(newPath, true);
Directory.Move(tempPath, newPath);
}
}
return "OK";
}
}
public async Task<bool> SendTestMail()
{
var service = await GetGmailService();
GmailMessage message = new GmailMessage();
message.Subject = "標題";
message.Body = $"<h1>內容</h1>";
message.FromAddress = "bikehsu@gmail.com";
message.IsHtml = true;
message.ToRecipients = "bikehsu@gmail.com";
message.Attachments = new List<Attachment>();
string filePath = @"C:\Users\bike\Pictures\Vegetable_pumpkin.jpg"; //要附加的檔案
Attachment attachment1 = new Attachment(filePath);
message.Attachments.Add(attachment1);
SendEmail(message, service);
Console.WriteLine("OK");
return true;
}
async Task<GmailService> GetGmailService()
{
UserCredential credential = null;
var credentialRoot = Path.Combine(SecretPath, "Credentials");
if (!Directory.Exists(credentialRoot))
{
Directory.CreateDirectory(credentialRoot);
}
string filePath = Path.Combine(credentialRoot, Username);
using (var stream = new FileStream(Path.Combine(SecretPath, "client_secret.json"), FileMode.Open, FileAccess.Read))
{
credential = await GoogleWebAuthorizationBroker.AuthorizeAsync(
GoogleClientSecrets.Load(stream).Secrets,
Scopes,
Username,
CancellationToken.None,
new FileDataStore(filePath));
}
var service = new GmailService(new BaseClientService.Initializer()
{
HttpClientInitializer = credential,
ApplicationName = "Send Mail",
});
return service;
}
public class GmailMessage
{
public string FromAddress { get; set; }
public string ToRecipients { get; set; }
public string Subject { get; set; }
public string Body { get; set; }
public bool IsHtml { get; set; }
public List<System.Net.Mail.Attachment> Attachments { get; set; }
}
public static void SendEmail(GmailMessage email, GmailService service)
{
var mailMessage = new System.Net.Mail.MailMessage();
mailMessage.From = new System.Net.Mail.MailAddress(email.FromAddress);
mailMessage.To.Add(email.ToRecipients);
mailMessage.ReplyToList.Add(email.FromAddress);
mailMessage.Subject = email.Subject;
mailMessage.Body = email.Body;
mailMessage.IsBodyHtml = email.IsHtml;
if (email.Attachments != null)
{
foreach (System.Net.Mail.Attachment attachment in email.Attachments)
{
mailMessage.Attachments.Add(attachment);
}
}
var mimeMessage = MimeKit.MimeMessage.CreateFromMailMessage(mailMessage);
var gmailMessage = new Google.Apis.Gmail.v1.Data.Message
{
Raw = Encode(mimeMessage)
};
Google.Apis.Gmail.v1.UsersResource.MessagesResource.SendRequest request = service.Users.Messages.Send(gmailMessage, "me");
request.Execute();
}
public static string Encode(MimeMessage mimeMessage)
{
using (MemoryStream ms = new MemoryStream())
{
mimeMessage.WriteTo(ms);
return Convert.ToBase64String(ms.GetBuffer())
.TrimEnd('=')
.Replace('+', '-')
.Replace('/', '_');
}
}
public void ConfigureServices(IServiceCollection services)
{
services.AddCors(options =>
{
options.AddPolicy(name: "Cors(PolicyName",
builder =>
{
builder.WithOrigins("https://web1.yourdomain.com",
"https://web2.yourdomain.com")
.AllowCredentials();
});
});
services.AddControllers()
.AddNewtonsoftJson(opt =>
opt.SerializerSettings.ContractResolver = new CamelCasePropertyNamesContractResolver());
public void Configure(IApplicationBuilder app, IWebHostEnvironment env)
{
app.UseExceptionMiddleware();
app.UseHttpsRedirection();
app.UseHttpsRedirection();
app.UseRouting();
app.UseCors(MyAllowSpecificOrigins);
app.UseAuthorization();
$.ajax({
url: apiRoot + "apiurl",
type: 'GET',
dataType: 'json', // 預期從server接收的資料型態
success: function (res) {
console.log("success: ");
console.log(res);
},
xhrFields: {
withCredentials: true
},
error: function (XMLHttpRequest, textStatus, errorThrown) {
alert("發生錯誤");
}
});
<script>
var thisPage = {
Init: function () {
thisPage.InitPageInput();
$("body")
;
thisPage.ChangeEvent();
},
ParameterByName: function (targetKey) {
var res = null;
const urlSearchParams = new URLSearchParams(window.location.search);
const params = Object.fromEntries(urlSearchParams.entries());
for (const [key, value] of Object.entries(params)) {
if (targetKey.trim().toLocaleLowerCase() === key) {
res = value;
}
}
return res;
},
OriUrl: function () {
var arrayUrl = [];
arrayUrl.push(window.location.protocol);//https:
arrayUrl.push("//");
arrayUrl.push(window.location.hostname);//blog.uwinfo.com.tw
if (window.location.port.length > 0) {
//大多情況,不用特別指定port
arrayUrl.push(":");
arrayUrl.push(window.location.port);//80
}
arrayUrl.push(window.location.pathname);//post/Edit.aspx
//換一套寫法
//arrayUrl.push(window.location.search);//?Id=321
const urlSearchParams = new URLSearchParams(window.location.search);
const params = Object.fromEntries(urlSearchParams.entries());
var ayyarQueryString = [];
//這邊可以加工增加額外的key值
for (const [key, value] of Object.entries(params)) {
if (value.trim().length > 0) {
//這邊要注意中文需要encode
ayyarQueryString.push(key + "=" + encodeURIComponent(value));
}
}
if (ayyarQueryString.length > 0) {
arrayUrl.push("?");
arrayUrl.push(ayyarQueryString.join('&'));
}
return arrayUrl.length > 0 ? arrayUrl.join('') : '';
},
InitPageInput: function () {
const urlSearchParams = new URLSearchParams(window.location.search);
const params = Object.fromEntries(urlSearchParams.entries());
for (const [key, value] of Object.entries(params)) {
$('input[name=' + key + ']').val(value);
//這邊因為input有多種不同輸入方式,可以自行編輯
//$('select[name=' + key + ']').val(value);
//$('textarea[name=' + key + ']').html(value);
}
},
ChangeEvent: function () {
},
}
$(function () {
thisPage.Init();
});
</script>
{
"Logging": {
"LogLevel": {
"Default": "Information",
"Microsoft": "Warning",
"Microsoft.Hosting.Lifetime": "Information"
}
},
"Kestrel": {
"EndPoints": {
"Http": {
"Url": "http://localhost:5002"
}
}
},
"AllowedHosts": "*"
}
upstream portal2 {
# localhost:5000 改成 ASP.NET Core 所監聽的 Port
server localhost:5002;
}
server {
# 只要是透過這些 Domain 連 HTTP 80 Port,都會轉送封包到 ASP.NET Core
listen 80;
# 可透過空白區分,綁定多個 Domain
server_name coretest2.bike.idv.tw;
location / {
proxy_pass http://portal2/;
include /etc/nginx/conf.d/default_proxy_settings;
}
}
# 用 HTTPS 必須要有 SSL 憑證,如果沒有要綁定 SSL 可以把下面整段移除
server {
# 只要是透過這些 Domain 連 HTTPS 443 Port,都會轉送封包到 ASP.NET Core
listen 443 ssl;
server_name coretest2.bike.idv.tw;
ssl_certificate /etc/nginx/ssl/coretest2.bike.idv.tw.crt;
ssl_certificate_key /etc/nginx/ssl/coretest2.bike.idv.tw.key;
location / {
proxy_pass http://portal2/;
include /etc/nginx/conf.d/default_proxy_settings;
}
}
#!/bin/bash
main() {
sudo yum -y install epel-release
sudo yum -y update
install_nginx
install_dotnet
sudo firewall-cmd --add-service=http --permanent
sudo firewall-cmd --add-service=https --permanent
sudo firewall-cmd --reload
}
install_nginx() {
echo "###################################"
echo "########## Install Nginx ##########"
echo "###################################"
sudo yum -y install httpd-tools nginx
sudo setsebool -P httpd_can_network_connect on
sudo sed -i 's/^SELINUX=.*/SELINUX=disabled/' /etc/selinux/config
sudo setenforce 0
sudo systemctl enable nginx
sudo systemctl restart nginx
}
install_dotnet() {
echo "###########################################"
echo "########## Install .NET Core 2.2 ##########"
echo "###########################################"
sudo rpm -Uvh https://packages.microsoft.com/config/rhel/7/packages-microsoft-prod.rpm
sudo yum -y install aspnetcore-runtime-2.2
}
main "$@"
sudo sh setup-aspnet-core.sh
[Unit]
# Description=<此服務的摘要說明>
Description=MyWebsite
[Service]
# WorkingDirectory=<ASP.NET Core 專案目錄>
WorkingDirectory=/usr/share/my-website
# ExecStart=/bin/dotnet <ASP.NET Core 起始 dll>
ExecStart=/bin/dotnet MyWebsite.dll
# 啟動若失敗,就重啟到成功為止
Restart=always
# 重啟的間隔秒數
RestartSec=10
# 設定環境變數,注入給 ASP.NET Core 用
Environment=ASPNETCORE_ENVIRONMENT=Production
Environment=DOTNET_PRINT_TELEMETRY_MESSAGE=false
[Install]
WantedBy=multi-user.target
# 開啟,開機自動啟動服務
systemctl enable my-website.service
# 關閉,開機自動啟動服務
systemctl disable my-website.service
# 啟動服務
systemctl start my-website.service
# 重啟服務
systemctl restart my-website.service
# 停止服務
systemctl stop my-website.service
# 查看服務狀態
systemctl status my-website.service
proxy_http_version 1.1;
proxy_set_header Upgrade $http_upgrade;
proxy_set_header Connection $http_connection;
proxy_set_header Host $host;
proxy_set_header X-Real-IP $remote_addr;
proxy_set_header X-Forwarded-Host $remote_addr;
proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
proxy_set_header X-Forwarded-Proto $scheme;
proxy_cache_bypass $http_upgrade;
upstream portal {
# localhost:5000 改成 ASP.NET Core 所監聽的 Port
server localhost:5000;
}
server {
# 只要是透過這些 Domain 連 HTTP 80 Port,都會轉送封包到 ASP.NET Core
listen 80;
# 可透過空白區分,綁定多個 Domain
server_name demo.johnwu.cc example.johnwu.cc;
location / {
proxy_pass http://portal/;
include /etc/nginx/conf.d/default_proxy_settings;
}
}
# 用 HTTPS 必須要有 SSL 憑證,如果沒有要綁定 SSL 可以把下面整段移除
server {
# 只要是透過這些 Domain 連 HTTPS 443 Port,都會轉送封包到 ASP.NET Core
listen 443 ssl;
server_name demo.johnwu.cc;
ssl_certificate /etc/nginx/ssl/demo.johnwu.cc_bundle.crt;
ssl_certificate_key /etc/nginx/ssl/demo.johnwu.cc.key;
location / {
proxy_pass http://portal/;
include /etc/nginx/conf.d/default_proxy_settings;
}
}
# 檢查 Nginx 的設定是否有誤
nginx -t
# 若沒有錯誤,即可套用
nginx -s reload