Initial commit of PSProxmox module

Session/ProxmoxSession.cs

@@ -0,0 +1,157 @@
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Net;
+using System.Security;
+using System.Text;
+using System.Management.Automation;
+using Newtonsoft.Json;
+using PSProxmox.Models;
+
+namespace PSProxmox.Session
+{
+    /// <summary>
+    /// Handles authentication and session management for Proxmox VE.
+    /// </summary>
+    public class ProxmoxSession
+    {
+        /// <summary>
+        /// Authenticates with the Proxmox VE API.
+        /// </summary>
+        /// <param name="server">The server hostname or IP address.</param>
+        /// <param name="port">The port number.</param>
+        /// <param name="useSSL">Whether to use HTTPS.</param>
+        /// <param name="skipCertificateValidation">Whether to skip SSL certificate validation.</param>
+        /// <param name="username">The username for authentication.</param>
+        /// <param name="password">The password for authentication.</param>
+        /// <param name="realm">The realm for authentication.</param>
+        /// <param name="cmdlet">The PowerShell cmdlet making the request.</param>
+        /// <returns>A connection object with authentication information.</returns>
+        public static ProxmoxConnection Login(
+            string server,
+            int port,
+            bool useSSL,
+            bool skipCertificateValidation,
+            string username,
+            SecureString password,
+            string realm,
+            PSCmdlet cmdlet)
+        {
+            var connection = new ProxmoxConnection(server, port, useSSL, skipCertificateValidation, username, realm);
+            
+            // Create the login URL
+            string loginUrl = $"{connection.ApiUrl}/access/ticket";
+            
+            // Log the URL if verbose is enabled
+            if (cmdlet != null)
+            {
+                cmdlet.WriteVerbose($"Authenticating to {loginUrl}");
+            }
+
+            // Create the request
+            var request = (HttpWebRequest)WebRequest.Create(loginUrl);
+            request.Method = "POST";
+            request.ContentType = "application/x-www-form-urlencoded";
+
+            // Skip certificate validation if requested
+            if (skipCertificateValidation && request.RequestUri.Scheme == "https")
+            {
+                request.ServerCertificateValidationCallback = (sender, certificate, chain, sslPolicyErrors) => true;
+            }
+
+            // Convert SecureString to plain text (only for sending to API)
+            string plainPassword = new System.Net.NetworkCredential(string.Empty, password).Password;
+
+            // Create the request body
+            string postData = $"username={Uri.EscapeDataString(username)}&password={Uri.EscapeDataString(plainPassword)}&realm={Uri.EscapeDataString(realm)}";
+            byte[] byteArray = Encoding.UTF8.GetBytes(postData);
+            request.ContentLength = byteArray.Length;
+
+            // Send the request
+            using (Stream dataStream = request.GetRequestStream())
+            {
+                dataStream.Write(byteArray, 0, byteArray.Length);
+            }
+
+            // Get the response
+            try
+            {
+                using (var response = (HttpWebResponse)request.GetResponse())
+                using (var reader = new StreamReader(response.GetResponseStream()))
+                {
+                    string responseText = reader.ReadToEnd();
+                    var loginResponse = JsonConvert.DeserializeObject<ProxmoxResponse<ProxmoxTicket>>(responseText);
+
+                    if (loginResponse?.Data == null)
+                    {
+                        throw new Exception("Invalid response from server");
+                    }
+
+                    return connection.WithAuthentication(
+                        loginResponse.Data.Ticket,
+                        loginResponse.Data.CSRFPreventionToken);
+                }
+            }
+            catch (WebException ex)
+            {
+                if (ex.Response != null)
+                {
+                    using (var errorResponse = (HttpWebResponse)ex.Response)
+                    using (var reader = new StreamReader(errorResponse.GetResponseStream()))
+                    {
+                        string errorText = reader.ReadToEnd();
+                        throw new Exception($"Authentication failed: {errorText}");
+                    }
+                }
+                throw;
+            }
+        }
+
+        /// <summary>
+        /// Logs out from the Proxmox VE API.
+        /// </summary>
+        /// <param name="connection">The connection to log out from.</param>
+        /// <param name="cmdlet">The PowerShell cmdlet making the request.</param>
+        public static void Logout(ProxmoxConnection connection, PSCmdlet cmdlet)
+        {
+            if (connection == null || !connection.IsAuthenticated)
+            {
+                return;
+            }
+
+            // Create the logout URL
+            string logoutUrl = $"{connection.ApiUrl}/access/ticket";
+            
+            // Log the URL if verbose is enabled
+            if (cmdlet != null)
+            {
+                cmdlet.WriteVerbose($"Logging out from {logoutUrl}");
+            }
+
+            // Create the request
+            var request = (HttpWebRequest)WebRequest.Create(logoutUrl);
+            request.Method = "DELETE";
+            request.Headers.Add("Cookie", $"PVEAuthCookie={connection.Ticket}");
+            request.Headers.Add("CSRFPreventionToken", connection.CSRFPreventionToken);
+
+            // Skip certificate validation if requested
+            if (connection.SkipCertificateValidation && request.RequestUri.Scheme == "https")
+            {
+                request.ServerCertificateValidationCallback = (sender, certificate, chain, sslPolicyErrors) => true;
+            }
+
+            // Send the request and ignore the response
+            try
+            {
+                using (var response = (HttpWebResponse)request.GetResponse())
+                {
+                    // Just to ensure the request is completed
+                }
+            }
+            catch (WebException)
+            {
+                // Ignore errors during logout
+            }
+        }
+    }
+}