Initial commit: IT Nexus Web-App

This commit is contained in:
2026-06-01 20:49:07 +02:00
commit 8023765e6c
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<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<meta http-equiv="x-ua-compatible" content="ie=11">
<title>IT Nexus Agent Setup</title>
<HTA:APPLICATION
APPLICATIONNAME="IT Nexus Agent Setup"
BORDER="thin"
BORDERSTYLE="normal"
CAPTION="yes"
CONTEXTMENU="no"
MAXIMIZEBUTTON="no"
MINIMIZEBUTTON="yes"
NAVIGABLE="no"
SCROLL="no"
SELECTION="no"
SHOWINTASKBAR="yes"
SINGLEINSTANCE="yes"
SYSMENU="yes"
WINDOWSTATE="normal"
/>
<style>
* { margin:0; padding:0; box-sizing:border-box; }
body {
font-family: 'Segoe UI', Tahoma, sans-serif;
background: #1e1e2e;
color: #cdd6f4;
width: 100%;
height: 100%;
overflow: hidden;
}
/* Sidebar */
.sidebar {
position: absolute;
left: 0; top: 0; bottom: 0;
width: 220px;
background: #181825;
border-right: 1px solid #313244;
display: flex;
flex-direction: column;
padding: 28px 0 20px;
}
.sidebar-logo {
padding: 0 20px 28px;
border-bottom: 1px solid #313244;
margin-bottom: 20px;
}
.sidebar-logo-title {
font-size: 20px;
font-weight: 700;
color: #cdd6f4;
line-height: 1.2;
}
.sidebar-logo-sub {
font-size: 14px;
color: #6c7086;
margin-top: 4px;
}
.nav-item {
display: flex;
align-items: center;
gap: 12px;
padding: 13px 20px;
font-size: 16px;
color: #6c7086;
cursor: default;
}
.nav-item.done { color: #a6e3a1; }
.nav-item.active { color: #89b4fa; font-weight: 600; background: rgba(137,180,250,0.08); border-right: 3px solid #89b4fa; }
.nav-num {
width: 28px; height: 28px;
border-radius: 50%;
font-size: 13px; font-weight: 700;
display: flex; align-items: center; justify-content: center;
flex-shrink: 0;
background: #313244;
color: #6c7086;
}
.nav-item.done .nav-num { background: #a6e3a1; color: #1e1e2e; }
.nav-item.active .nav-num { background: #89b4fa; color: #1e1e2e; }
/* Main */
.main {
position: absolute;
left: 220px; top: 0; right: 0; bottom: 60px;
padding: 36px 36px 16px;
overflow: hidden;
}
.step { display: none; }
.step.active { display: block; }
.step-title {
font-size: 28px;
font-weight: 700;
color: #cdd6f4;
margin-bottom: 10px;
}
.step-subtitle {
font-size: 16px;
color: #6c7086;
margin-bottom: 28px;
line-height: 1.6;
}
/* Feature list */
.feature-list { list-style: none; }
.feature-item {
display: flex;
align-items: center;
gap: 16px;
padding: 16px 0;
border-bottom: 1px solid #313244;
font-size: 17px;
}
.feature-item:last-child { border-bottom: none; }
.feature-dot {
width: 10px; height: 10px;
border-radius: 50%;
background: #89b4fa;
flex-shrink: 0;
}
/* Fields */
.field { margin-bottom: 14px; }
.field label {
font-size: 14px;
color: #6c7086;
display: block;
margin-bottom: 7px;
font-weight: 600;
text-transform: uppercase;
letter-spacing: 0.5px;
}
.field input {
width: 100%;
padding: 12px 14px;
background: #181825;
border: 1px solid #313244;
border-radius: 6px;
color: #cdd6f4;
font-size: 16px;
font-family: 'Segoe UI', sans-serif;
transition: border-color .15s;
}
.field input:focus { outline: none; border-color: #89b4fa; }
.field input[readonly] { color: #6c7086; }
/* Summary */
.summary-box {
background: #181825;
border: 1px solid #313244;
border-radius: 8px;
overflow: hidden;
margin-bottom: 14px;
}
.summary-row {
display: flex;
justify-content: space-between;
align-items: center;
padding: 14px 18px;
font-size: 15px;
border-bottom: 1px solid #313244;
}
.summary-row:last-child { border-bottom: none; }
.summary-key { color: #6c7086; }
.summary-val { color: #89b4fa; font-weight: 600; font-size: 12px; max-width: 200px; text-align: right; }
.warn-box {
background: rgba(250,179,135,0.08);
border: 1px solid rgba(250,179,135,0.2);
border-radius: 6px;
padding: 10px 12px;
font-size: 12px;
color: #fab387;
}
/* Log */
#log {
background: #11111b;
border: 1px solid #313244;
border-radius: 6px;
padding: 10px 12px;
height: 50%;
overflow-y: auto;
font-family: 'Consolas', 'Courier New', monospace;
font-size: 12px;
line-height: 1.6;
}
.log-ok { color: #a6e3a1; }
.log-err { color: #f38ba8; }
.log-info { color: #6c7086; }
.log-warn { color: #f9e2af; }
/* Progress */
.progress-label {
font-size: 12px;
color: #6c7086;
margin-bottom: 6px;
}
.progress-wrap {
background: #313244;
border-radius: 4px;
height: 6px;
margin-bottom: 12px;
overflow: hidden;
}
.progress-fill {
height: 100%;
border-radius: 4px;
background: linear-gradient(90deg, #89b4fa, #b4befe);
width: 0%;
transition: width .35s ease;
}
/* Success */
.success-wrap { text-align: center; padding-top: 10px; }
.success-check {
width: 64px; height: 64px;
border-radius: 50%;
background: rgba(166,227,161,0.12);
border: 2px solid #a6e3a1;
margin: 0 auto 16px;
display: flex; align-items: center; justify-content: center;
font-size: 28px;
color: #a6e3a1;
}
.success-title {
font-size: 18px;
font-weight: 700;
color: #a6e3a1;
margin-bottom: 8px;
}
.success-sub {
font-size: 13px;
color: #6c7086;
line-height: 1.6;
}
.success-hint {
margin-top: 14px;
background: rgba(137,180,250,0.08);
border: 1px solid rgba(137,180,250,0.2);
border-radius: 6px;
padding: 10px 14px;
font-size: 12px;
color: #89b4fa;
}
/* Footer */
.footer {
position: absolute;
left: 220px; right: 0; bottom: 0;
height: 60px;
border-top: 1px solid #313244;
background: #181825;
display: flex;
align-items: center;
justify-content: flex-end;
padding: 0 24px;
gap: 10px;
}
.btn {
padding: 11px 28px;
border-radius: 6px;
border: none;
font-size: 15px;
font-family: 'Segoe UI', sans-serif;
font-weight: 600;
cursor: pointer;
transition: all .15s;
min-width: 110px;
}
.btn:hover { filter: brightness(1.1); }
.btn:disabled { opacity: .35; cursor: not-allowed; }
.btn-ghost { background: transparent; color: #6c7086; border: 1px solid #313244; }
.btn-primary { background: #89b4fa; color: #1e1e2e; }
.btn-success { background: #a6e3a1; color: #1e1e2e; }
.btn-close { background: #585b70; color: #cdd6f4; }
</style>
</head>
<body>
<!-- Sidebar -->
<div class="sidebar">
<div class="sidebar-logo">
<div class="sidebar-logo-title">IT Nexus Agent</div>
<div class="sidebar-logo-sub">Setup 1.0.0</div>
</div>
<div class="nav-item active" id="nav1"><div class="nav-num" id="nn1">1</div> Willkommen</div>
<div class="nav-item" id="nav2"><div class="nav-num" id="nn2">2</div> Konfiguration</div>
<div class="nav-item" id="nav3"><div class="nav-num" id="nn3">3</div> Zusammenfassung</div>
<div class="nav-item" id="nav4"><div class="nav-num" id="nn4">4</div> Installation</div>
<div class="nav-item" id="nav5"><div class="nav-num" id="nn5">5</div> Abgeschlossen</div>
</div>
<!-- Content -->
<div class="main">
<!-- Step 1 -->
<div class="step active" id="step1">
<div class="step-title">Willkommen</div>
<div class="step-subtitle">Der IT Nexus Agent wird als Windows-Dienst installiert und sendet alle 5 Minuten Systemdaten an das IT Nexus Dashboard.</div>
<ul class="feature-list">
<li class="feature-item"><span class="feature-dot"></span> CPU, RAM &amp; Festplatten-Auslastung</li>
<li class="feature-item"><span class="feature-dot"></span> Installierte Software</li>
<li class="feature-item"><span class="feature-dot"></span> Windows Update Status</li>
<li class="feature-item"><span class="feature-dot"></span> Angemeldeter Benutzer &amp; Uptime</li>
<li class="feature-item"><span class="feature-dot"></span> Netzwerk &amp; Systeminformationen</li>
</ul>
</div>
<!-- Step 2 -->
<div class="step" id="step2">
<div class="step-title">Konfiguration</div>
<div class="step-subtitle">Serververbindung konfigurieren.</div>
<div class="field">
<label>Server URL</label>
<input type="text" id="serverUrl" value="https://it-nexus.cereda-systems.de">
</div>
<div class="field">
<label>Agent API Key</label>
<input type="text" id="agentKey" value="cereda-agent-2024-secure-key">
</div>
<div class="field">
<label>Installationsverzeichnis</label>
<input type="text" id="installDir" value="C:\ProgramData\IT Nexus Agent" readonly>
</div>
</div>
<!-- Step 3 -->
<div class="step" id="step3">
<div class="step-title">Bereit zur Installation</div>
<div class="step-subtitle">Bitte alles pruefen, dann auf Installieren klicken.</div>
<div class="summary-box">
<div class="summary-row"><span class="summary-key">Verzeichnis</span><span class="summary-val" id="sum-dir"></span></div>
<div class="summary-row"><span class="summary-key">Server</span><span class="summary-val" id="sum-url"></span></div>
<div class="summary-row"><span class="summary-key">Scheduled Task</span><span class="summary-val">Alle 5 Minuten (SYSTEM)</span></div>
<div class="summary-row"><span class="summary-key">Agent Version</span><span class="summary-val">1.0.0</span></div>
</div>
<div class="warn-box">Hinweis: Es erscheint eine UAC-Abfrage fuer Administrator-Rechte.</div>
</div>
<!-- Step 4 -->
<div class="step" id="step4">
<div class="step-title">Installation</div>
<div class="progress-label" id="progLabel">Vorbereitung...</div>
<div class="progress-wrap"><div class="progress-fill" id="progBar"></div></div>
<div id="log"></div>
</div>
<!-- Step 5 -->
<div class="step" id="step5">
<div class="success-wrap">
<div class="success-check">&#10003;</div>
<div class="success-title">Installation abgeschlossen</div>
<div class="success-sub">Der IT Nexus Agent ist installiert und aktiv.<br>Er sendet alle 5 Minuten Daten an das Dashboard.</div>
<div class="success-hint">Sichtbar unter: IT Nexus &#8594; Administration &#8594; Agent Monitoring</div>
</div>
</div>
</div>
<!-- Footer -->
<div class="footer">
<button class="btn btn-ghost" id="btnBack" onclick="prevStep()" style="display:none">Zurueck</button>
<button class="btn btn-ghost" id="btnCancel" onclick="window.close()">Abbrechen</button>
<button class="btn btn-primary" id="btnNext" onclick="nextStep()">Weiter</button>
</div>
<script language="JScript">
var step = 1;
var shell = new ActiveXObject("WScript.Shell");
var fso = new ActiveXObject("Scripting.FileSystemObject");
// Groesse anhand Bildschirmaufloesung berechnen (60% Breite, 70% Hoehe, min/max begrenzt)
var w = Math.min(Math.max(Math.round(screen.availWidth * 0.60), 700), 1100);
var h = Math.min(Math.max(Math.round(screen.availHeight * 0.70), 560), 820);
window.resizeTo(w, h);
window.moveTo((screen.availWidth-w)/2, (screen.availHeight-h)/2);
// Schriftgroesse skalieren
var scale = w / 780;
document.body.style.fontSize = Math.round(13 * scale) + "px";
function updateNav() {
for (var i=1;i<=5;i++) {
var n = document.getElementById("nav"+i);
var nn = document.getElementById("nn"+i);
if (i < step) { n.className="nav-item done"; nn.innerHTML="&#10003;"; }
else if (i === step) { n.className="nav-item active"; nn.innerHTML=i; }
else { n.className="nav-item"; nn.innerHTML=i; }
}
}
function showStep(n) {
for (var i=1;i<=5;i++) {
var el=document.getElementById("step"+i);
if(el) el.className=(i===n)?"step active":"step";
}
step=n;
updateNav();
var btnBack = document.getElementById("btnBack");
var btnCancel = document.getElementById("btnCancel");
var btnNext = document.getElementById("btnNext");
btnBack.style.display = (n>1 && n<4) ? "" : "none";
btnCancel.style.display = (n>=4) ? "none" : "";
if (n===3) {
document.getElementById("sum-dir").innerText = document.getElementById("installDir").value;
document.getElementById("sum-url").innerText = document.getElementById("serverUrl").value;
btnNext.className = "btn btn-success";
btnNext.innerText = "Installieren";
} else if (n===4) {
btnNext.style.display="none";
startInstall();
} else if (n===5) {
btnNext.className="btn btn-close";
btnNext.innerText="Schliessen";
btnNext.style.display="";
} else {
btnNext.className="btn btn-primary";
btnNext.innerText="Weiter";
btnNext.style.display="";
}
}
function nextStep() { if(step===5){window.close();return;} showStep(step+1); }
function prevStep() { if(step>1) showStep(step-1); }
function log(msg, type) {
var el=document.getElementById("log");
el.innerHTML+='<div class="'+(type||"log-info")+'">'+msg+'</div>';
el.scrollTop=el.scrollHeight;
}
function setProgress(pct, label) {
document.getElementById("progBar").style.width=pct+"%";
if(label) document.getElementById("progLabel").innerText=label;
}
function sleep(ms) { var s=new Date().getTime(); while(new Date().getTime()-s<ms){} }
function writeFile(path, content) {
var f=fso.CreateTextFile(path,true,false);
f.Write(content); f.Close();
}
function startInstall() {
try {
var installDir = document.getElementById("installDir").value;
var serverUrl = document.getElementById("serverUrl").value;
var agentKey = document.getElementById("agentKey").value;
setProgress(10, "Erstelle Verzeichnis...");
sleep(300);
if (!fso.FolderExists(installDir)) fso.CreateFolder(installDir);
log("Verzeichnis erstellt: " + installDir, "log-ok");
setProgress(25, "Kopiere Agent-Dateien...");
sleep(300);
var htaDir = fso.GetParentFolderName(location.href.replace("file:///","").replace(/\//g,"\\"));
try { fso.CopyFile(htaDir+"\\it-nexus-agent.ps1", installDir+"\\it-nexus-agent.ps1", true); }
catch(e) { log("Agent-Script wird neu erstellt...", "log-warn"); }
log("Agent-Script kopiert", "log-ok");
setProgress(40, "Schreibe Konfiguration...");
sleep(200);
writeFile(installDir+"\\config.json", '{\n "server_url": "'+serverUrl+'",\n "agent_key": "'+agentKey+'"\n}');
log("Konfiguration gespeichert", "log-ok");
setProgress(60, "Registriere Scheduled Task...");
sleep(300);
var ps = [
'$d = "'+installDir+'"',
'$a = New-ScheduledTaskAction -Execute "powershell.exe" -Argument ("-ExecutionPolicy Bypass -NonInteractive -WindowStyle Hidden -File `\\"$d\\it-nexus-agent.ps1`\\"")',
'$t = New-ScheduledTaskTrigger -RepetitionInterval (New-TimeSpan -Minutes 5) -Once -At (Get-Date)',
'$s = New-ScheduledTaskSettingsSet -ExecutionTimeLimit (New-TimeSpan -Minutes 2) -MultipleInstances IgnoreNew -StartWhenAvailable',
'$p = New-ScheduledTaskPrincipal -UserId "SYSTEM" -LogonType ServiceAccount -RunLevel Highest',
'Unregister-ScheduledTask -TaskName "IT Nexus Agent" -Confirm:$false -ErrorAction SilentlyContinue',
'Register-ScheduledTask -TaskName "IT Nexus Agent" -Action $a -Trigger $t -Settings $s -Principal $p -Force | Out-Null',
'Start-ScheduledTask -TaskName "IT Nexus Agent"'
].join("\r\n");
writeFile(installDir+"\\setup-task.ps1", ps);
// Als Administrator ausfuehren (UAC-Prompt)
var shellApp = new ActiveXObject("Shell.Application");
shellApp.ShellExecute(
"powershell.exe",
"-ExecutionPolicy Bypass -File \"" + installDir + "\\setup-task.ps1\"",
"",
"runas",
1
);
// Warten bis Task registriert ist
sleep(4000);
setProgress(85, "Pruefe Installation...");
sleep(600);
log("Scheduled Task registriert (alle 5 Minuten)", "log-ok");
log("Erster Checkin wird ausgefuehrt...", "log-info");
sleep(400);
log("Agent ist aktiv!", "log-ok");
setProgress(100, "Abgeschlossen");
sleep(800);
showStep(5);
} catch(e) {
log("Fehler: " + e.message, "log-err");
setProgress(0, "Fehler aufgetreten");
var btn=document.getElementById("btnNext");
btn.innerText="Schliessen"; btn.className="btn btn-ghost"; btn.style.display="";
}
}
</script>
</body>
</html>

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agent/ann-watcher.ps1 Normal file
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# IT Nexus Announcement Watcher
# Wird alle 15 Sekunden als SYSTEM ausgefuehrt
# Zeigt Ankuendigungen als Desktop-Popup fuer den eingeloggten Benutzer
param()
$cfg = Get-Content 'C:\ProgramData\IT Nexus Agent\config.json' -Raw | ConvertFrom-Json
$url = $cfg.server_url.TrimEnd('/')
$key = $cfg.agent_key
function Show-AnnDialog($ann) {
$id = $ann.id
$dlg = "C:\ProgramData\IT Nexus Agent\ann_$id.ps1"
if (Test-Path $dlg) { return }
$title = ($ann.title -replace "'", "''")
$message = ($ann.message -replace "'", "''")
$accent = switch ($ann.type) { 'warning'{'220,50,50'} 'maintenance'{'245,158,11'} default{'99,102,241'} }
$label = switch ($ann.type) { 'warning'{'WICHTIGE WARNUNG'} 'maintenance'{'WARTUNGSANKUENDIGUNG'} default{'INFORMATION'} }
$ackUrl = "$url/api/announcements/$id/ack-agent"
$n = [System.Environment]::NewLine
$headerColor = switch ($ann.type) { 'warning'{'220,53,69'} 'maintenance'{'255,140,0'} default{'0,120,212'} }
$iconText = switch ($ann.type) { 'warning'{'⚠'} 'maintenance'{'🔧'} default{''} }
$code = "Add-Type -AssemblyName System.Windows.Forms,System.Drawing$n"
# Hauptfenster - weißer Hintergrund, professionell
$code += "`$f=New-Object System.Windows.Forms.Form;`$f.Text='IT Nexus Mitteilung';`$f.Size=New-Object System.Drawing.Size(480,320);`$f.StartPosition='CenterScreen';`$f.FormBorderStyle='FixedSingle';`$f.MaximizeBox=`$false;`$f.MinimizeBox=`$false;`$f.TopMost=`$true;`$f.BackColor=[System.Drawing.Color]::White$n"
# Farbiger Header-Balken
$code += "`$hdr=New-Object System.Windows.Forms.Panel;`$hdr.Size=New-Object System.Drawing.Size(480,56);`$hdr.Location=New-Object System.Drawing.Point(0,0);`$hdr.BackColor=[System.Drawing.Color]::FromArgb($headerColor);`$f.Controls.Add(`$hdr)$n"
# Logo-Text links im Header
$code += "`$logo=New-Object System.Windows.Forms.Label;`$logo.Text='IT Nexus';`$logo.Font=New-Object System.Drawing.Font('Segoe UI',11,[System.Drawing.FontStyle]::Bold);`$logo.ForeColor=[System.Drawing.Color]::White;`$logo.Location=New-Object System.Drawing.Point(16,8);`$logo.Size=New-Object System.Drawing.Size(120,20);`$hdr.Controls.Add(`$logo)$n"
# Typ-Label im Header
$code += "`$lbl=New-Object System.Windows.Forms.Label;`$lbl.Text='$label';`$lbl.Font=New-Object System.Drawing.Font('Segoe UI',8);`$lbl.ForeColor=[System.Drawing.Color]::FromArgb(220,240,255);`$lbl.Location=New-Object System.Drawing.Point(16,30);`$lbl.Size=New-Object System.Drawing.Size(420,18);`$hdr.Controls.Add(`$lbl)$n"
# Titel
$code += "`$lt=New-Object System.Windows.Forms.Label;`$lt.Text='$title';`$lt.Font=New-Object System.Drawing.Font('Segoe UI',12,[System.Drawing.FontStyle]::Bold);`$lt.ForeColor=[System.Drawing.Color]::FromArgb(30,30,30);`$lt.Location=New-Object System.Drawing.Point(16,72);`$lt.Size=New-Object System.Drawing.Size(444,28);`$f.Controls.Add(`$lt)$n"
# Trennlinie
$code += "`$sep=New-Object System.Windows.Forms.Panel;`$sep.Size=New-Object System.Drawing.Size(448,1);`$sep.Location=New-Object System.Drawing.Point(16,104);`$sep.BackColor=[System.Drawing.Color]::FromArgb(220,220,220);`$f.Controls.Add(`$sep)$n"
# Nachricht
$code += "`$lm=New-Object System.Windows.Forms.Label;`$lm.Text='$message';`$lm.Font=New-Object System.Drawing.Font('Segoe UI',10);`$lm.ForeColor=[System.Drawing.Color]::FromArgb(60,60,60);`$lm.Location=New-Object System.Drawing.Point(16,112);`$lm.Size=New-Object System.Drawing.Size(444,120);`$lm.AutoSize=`$false;`$f.Controls.Add(`$lm)$n"
# Button
$code += "`$btn=New-Object System.Windows.Forms.Button;`$btn.Text='✓ Gelesen und bestätigt';`$btn.Font=New-Object System.Drawing.Font('Segoe UI',10,[System.Drawing.FontStyle]::Bold);`$btn.ForeColor=[System.Drawing.Color]::White;`$btn.BackColor=[System.Drawing.Color]::FromArgb($headerColor);`$btn.FlatStyle='Flat';`$btn.FlatAppearance.BorderSize=0;`$btn.Location=New-Object System.Drawing.Point(16,244);`$btn.Size=New-Object System.Drawing.Size(444,36);`$btn.DialogResult=[System.Windows.Forms.DialogResult]::OK;`$f.Controls.Add(`$btn);`$f.AcceptButton=`$btn$n"
$code += "if(`$f.ShowDialog() -eq [System.Windows.Forms.DialogResult]::OK){$n"
$code += " `$b=[System.Text.Encoding]::UTF8.GetBytes('{""hostname"":""+`$env:COMPUTERNAME+'""}')$n"
$code += " `$r=[System.Net.WebRequest]::Create('$ackUrl')$n"
$code += " `$r.Method='POST';`$r.ContentType='application/json';`$r.Headers.Add('X-Agent-Key','$key');`$r.ContentLength=`$b.Length$n"
$code += " `$s=`$r.GetRequestStream();`$s.Write(`$b,0,`$b.Length);`$s.Close()$n"
$code += " try{`$r.GetResponse().Close()}catch{}$n"
$code += " Remove-Item '$dlg' -Force -ErrorAction SilentlyContinue$n"
$code += "}$n"
$code | Out-File -FilePath $dlg -Encoding UTF8 -Force
$loggedUser = (Get-CimInstance Win32_ComputerSystem).UserName
if ($loggedUser) {
$tn = "ITNexus-AnnDlg-$id"
Unregister-ScheduledTask -TaskName $tn -Confirm:$false -ErrorAction SilentlyContinue
$a = New-ScheduledTaskAction -Execute 'powershell.exe' -Argument "-ExecutionPolicy Bypass -WindowStyle Hidden -File `"$dlg`""
$t = New-ScheduledTaskTrigger -Once -At (Get-Date).AddSeconds(2)
$p = New-ScheduledTaskPrincipal -UserId $loggedUser -LogonType Interactive -RunLevel Limited
$s = New-ScheduledTaskSettingsSet -ExecutionTimeLimit (New-TimeSpan -Minutes 60) -StartWhenAvailable
Register-ScheduledTask -TaskName $tn -Action $a -Trigger $t -Principal $p -Settings $s -Force | Out-Null
}
}
try {
$body = [System.Text.Encoding]::UTF8.GetBytes('{"hostname":"'+$env:COMPUTERNAME+'"}')
$req = [System.Net.WebRequest]::Create("$url/api/monitoring/announcements-poll")
$req.Method = 'POST'; $req.ContentType = 'application/json'
$req.Headers.Add('X-Agent-Key', $key); $req.ContentLength = $body.Length
$st = $req.GetRequestStream(); $st.Write($body, 0, $body.Length); $st.Close()
$rd = New-Object System.IO.StreamReader($req.GetResponse().GetResponseStream())
$data = $rd.ReadToEnd() | ConvertFrom-Json
if ($data.announcements) { foreach ($a in $data.announcements) { Show-AnnDialog $a } }
} catch {}

View File

@@ -0,0 +1,4 @@
{
"server_url": "https://it-nexus.cereda-systems.de",
"agent_key": "DEIN-AGENT-KEY-HIER"
}

View File

@@ -0,0 +1,4 @@
{
"server_url": "https://it-nexus.cereda-systems.de",
"agent_key": "cereda-agent-2024-secure-key"
}

44
agent/install.ps1 Normal file
View File

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# IT Nexus Agent - Installer
# Cereda Systems GmbH
$InstallDir = "$env:ProgramData\IT Nexus Agent"
$AgentKey = "cereda-agent-2024-secure-key"
$ServerUrl = "https://it-nexus.cereda-systems.de"
$TaskName = "IT Nexus Agent"
Write-Host "=== IT Nexus Agent Installation ===" -ForegroundColor Cyan
# Verzeichnis erstellen
if (-not (Test-Path $InstallDir)) {
New-Item -ItemType Directory -Path $InstallDir -Force | Out-Null
}
# Dateien kopieren
$ScriptDir = Split-Path -Parent $MyInvocation.MyCommand.Path
Copy-Item "$ScriptDir\it-nexus-agent.ps1" "$InstallDir\it-nexus-agent.ps1" -Force
# Config schreiben
$config = @{ server_url = $ServerUrl; agent_key = $AgentKey } | ConvertTo-Json
Set-Content -Path "$InstallDir\config.json" -Value $config -Force
# Alten Task entfernen falls vorhanden
Unregister-ScheduledTask -TaskName $TaskName -Confirm:$false -ErrorAction SilentlyContinue
# Scheduled Task erstellen (laeuft alle 5 Minuten als SYSTEM)
$action = New-ScheduledTaskAction -Execute "powershell.exe" -Argument "-ExecutionPolicy Bypass -NonInteractive -WindowStyle Hidden -File `"$InstallDir\it-nexus-agent.ps1`""
$trigger = New-ScheduledTaskTrigger -RepetitionInterval (New-TimeSpan -Minutes 5) -Once -At (Get-Date)
$settings = New-ScheduledTaskSettingsSet -ExecutionTimeLimit (New-TimeSpan -Minutes 2) -MultipleInstances IgnoreNew -StartWhenAvailable
$principal = New-ScheduledTaskPrincipal -UserId "SYSTEM" -LogonType ServiceAccount -RunLevel Highest -ErrorAction SilentlyContinue
if (-not $principal) {
$principal = New-ScheduledTaskPrincipal -UserId $env:USERNAME -RunLevel Highest
}
Register-ScheduledTask -TaskName $TaskName -Action $action -Trigger $trigger -Settings $settings -Principal $principal -Force | Out-Null
Write-Host "Installiert in: $InstallDir" -ForegroundColor Green
Write-Host "Scheduled Task '$TaskName' erstellt (alle 5 Min)" -ForegroundColor Green
Write-Host "Server: $ServerUrl" -ForegroundColor Green
Write-Host ""
Write-Host "Erster Checkin wird jetzt ausgefuehrt..." -ForegroundColor Yellow
Start-ScheduledTask -TaskName $TaskName
Write-Host "Fertig!" -ForegroundColor Green

606
agent/it-nexus-agent.ps1 Normal file
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# IT Nexus Monitoring Agent v1.3
# Cereda Systems GmbH
# Laedt Systemdaten und sendet sie an IT Nexus
$AgentVersion = "1.3.1"
$ConfigPath = Join-Path $PSScriptRoot "config.json"
$LogPath = Join-Path $PSScriptRoot "agent.log"
function Write-Log($msg) {
$line = "$(Get-Date -Format 'yyyy-MM-dd HH:mm:ss') $msg"
Add-Content -Path $LogPath -Value $line -ErrorAction SilentlyContinue
}
# Config laden
if (-not (Test-Path $ConfigPath)) {
Write-Log "ERROR: config.json nicht gefunden"
exit 1
}
$config = Get-Content $ConfigPath | ConvertFrom-Json
$ServerUrl = $config.server_url.TrimEnd('/')
$AgentKey = $config.agent_key
function Get-CpuUsage {
try {
$pc = [System.Diagnostics.PerformanceCounter]::new("Processor", "% Processor Time", "_Total")
$pc.NextValue() | Out-Null
Start-Sleep -Milliseconds 800
return [math]::Round($pc.NextValue(), 1)
} catch { return $null }
}
function Get-RamInfo {
try {
$os = Get-CimInstance Win32_OperatingSystem
$total = [math]::Round($os.TotalVisibleMemorySize / 1MB, 2)
$free = [math]::Round($os.FreePhysicalMemory / 1MB, 2)
return @{ total = $total; used = [math]::Round($total - $free, 2) }
} catch { return @{ total = $null; used = $null } }
}
function Get-DiskInfo {
try {
$disk = Get-PSDrive C
$total = [math]::Round(($disk.Used + $disk.Free) / 1GB, 2)
$free = [math]::Round($disk.Free / 1GB, 2)
return @{ total = $total; free = $free }
} catch { return @{ total = $null; free = $null } }
}
function Get-CpuInfo {
try {
$cpu = Get-CimInstance Win32_Processor | Select-Object -First 1
return @{ model = $cpu.Name.Trim(); cores = $cpu.NumberOfCores }
} catch { return @{ model = $null; cores = $null } }
}
function Get-MacAddress {
try {
$mac = (Get-CimInstance Win32_NetworkAdapterConfiguration | Where-Object { $_.IPEnabled } | Select-Object -First 1).MACAddress
return $mac
} catch { return $null }
}
function Get-InstalledSoftware {
try {
$paths = @(
'HKLM:\Software\Microsoft\Windows\CurrentVersion\Uninstall\*',
'HKLM:\Software\Wow6432Node\Microsoft\Windows\CurrentVersion\Uninstall\*'
)
$apps = Get-ItemProperty $paths -ErrorAction SilentlyContinue |
Where-Object { $_.DisplayName -and $_.DisplayName -notmatch '^KB\d+' } |
Select-Object -ExpandProperty DisplayName -Unique |
ForEach-Object { [System.Text.RegularExpressions.Regex]::Replace($_, '[^\x20-\x7E]', '') } |
Where-Object { $_.Length -gt 2 } |
Sort-Object |
Select-Object -First 100
return $apps
} catch { return @() }
}
function Get-PendingUpdates {
try {
$session = New-Object -ComObject Microsoft.Update.Session
$searcher = $session.CreateUpdateSearcher()
$result = $searcher.Search("IsInstalled=0 and Type='Software'")
return $result.Updates.Count
} catch { return 0 }
}
function Get-UptimeHours {
try {
$uptime = (Get-Date) - (gcim Win32_OperatingSystem).LastBootUpTime
return [math]::Round($uptime.TotalHours, 1)
} catch { return $null }
}
function Get-LastUser {
try {
$user = (Get-CimInstance Win32_ComputerSystem).UserName
if ($user) { return $user.Split('\')[-1] }
$profile = Get-ItemProperty 'HKLM:\SOFTWARE\Microsoft\Windows NT\CurrentVersion\ProfileList\*' |
Where-Object { $_.ProfileImagePath -like 'C:\Users\*' -and $_.ProfileImagePath -notlike '*default*' } |
Sort-Object { $_.PSChildName } | Select-Object -Last 1
return ($profile.ProfileImagePath -split '\\')[-1]
} catch { return $null }
}
function Get-TpmInfo {
try {
$tpm = Get-WmiObject -Namespace "Root\CIMv2\Security\MicrosoftTpm" -Class Win32_Tpm -ErrorAction Stop
if ($tpm) {
$specVer = $tpm.SpecVersion
$isV2 = $specVer -like "*2.0*"
return @{ present = $true; version = $specVer; is_v2 = $isV2 }
}
return @{ present = $false; version = $null; is_v2 = $false }
} catch {
return @{ present = $false; version = $null; is_v2 = $false }
}
}
function Get-SecureBootStatus {
try {
$sb = Confirm-SecureBootUEFI -ErrorAction Stop
return [bool]$sb
} catch {
return $false
}
}
function Get-Win11Readiness {
$tpm = Get-TpmInfo
$sb = Get-SecureBootStatus
$cpu = Get-CimInstance Win32_Processor | Select-Object -First 1
$ram = (Get-CimInstance Win32_OperatingSystem).TotalVisibleMemorySize / 1MB
$cpuOk = $cpu -and $cpu.NumberOfCores -ge 2 -and $cpu.MaxClockSpeed -ge 1000
$ramOk = $ram -ge 4
$ready = $tpm.is_v2 -and $sb -and $cpuOk -and $ramOk
return @{
tpm_present = $tpm.present
tpm_version = if ($tpm.version) { $tpm.version } else { $null }
tpm_v2 = $tpm.is_v2
secure_boot = $sb
win11_ready = $ready
}
}
# Systemdaten sammeln
Write-Log "Sammle Systemdaten..."
$cpu = Get-CpuInfo
$ram = Get-RamInfo
$disk = Get-DiskInfo
$cpuPct = Get-CpuUsage
$mac = Get-MacAddress
$updates = Get-PendingUpdates
$uptime = Get-UptimeHours
$lastUser = Get-LastUser
$software = Get-InstalledSoftware
$win11 = Get-Win11Readiness
$ip = (Get-NetIPAddress -AddressFamily IPv4 | Where-Object {
$_.InterfaceAlias -notlike '*Loopback*' -and
$_.InterfaceAlias -notlike '*vEthernet*' -and
$_.InterfaceAlias -notlike '*WSL*' -and
$_.InterfaceAlias -notlike '*Virtual*' -and
$_.IPAddress -notlike '169.*' -and
$_.IPAddress -notlike '172.*'
} | Select-Object -First 1).IPAddress
if (-not $ip) {
$ip = (Get-NetIPAddress -AddressFamily IPv4 | Where-Object {
$_.InterfaceAlias -notlike '*Loopback*' -and
$_.InterfaceAlias -notlike '*vEthernet*' -and
$_.IPAddress -notlike '169.*'
} | Select-Object -First 1).IPAddress
}
$os = Get-CimInstance Win32_OperatingSystem
$domain = $env:USERDOMAIN
$payload = @{
hostname = $env:COMPUTERNAME
ip_address = $ip
mac_address = $mac
os_name = $os.Caption
os_version = $os.Version
cpu_model = $cpu.model
cpu_cores = $cpu.cores
cpu_usage_percent = $cpuPct
ram_total_gb = $ram.total
ram_used_gb = $ram.used
disk_total_gb = $disk.total
disk_free_gb = $disk.free
last_user = $lastUser
uptime_hours = $uptime
domain = $domain
agent_version = $AgentVersion
installed_software = $software
windows_updates_pending = $updates
tpm_present = $win11.tpm_present
tpm_version = $win11.tpm_version
tpm_v2 = $win11.tpm_v2
secure_boot = $win11.secure_boot
win11_ready = $win11.win11_ready
} | ConvertTo-Json -Depth 3
# --- An IT Nexus senden ---
function Invoke-PatchCommand($cmd, $cmdId) {
Write-Log "PATCH: Command empfangen: $($cmd) (ID: $cmdId)"
$result = "OK"
try {
switch ($cmd) {
'check_updates' {
UsoClient.exe StartScan 2>$null
Start-Sleep -Seconds 5
$result = "Update-Scan gestartet"
Write-Log "PATCH: Update-Scan gestartet"
}
'install_updates' {
UsoClient.exe StartDownload 2>$null
Start-Sleep -Seconds 3
UsoClient.exe StartInstall 2>$null
$result = "Update-Installation gestartet"
Write-Log "PATCH: Update-Installation gestartet"
}
'update_agent' {
Write-Log "UPDATE: Manuelles Agent-Update angefordert..."
try {
$scriptPath = $MyInvocation.MyCommand.Path
$tempPath = "$scriptPath.update"
$updateHeaders = @{ 'X-Agent-Key' = $AgentKey }
Invoke-WebRequest -Uri "$ServerUrl/api/monitoring/agent-script" `
-Headers $updateHeaders -OutFile $tempPath -TimeoutSec 30
if ((Get-Item $tempPath -ErrorAction SilentlyContinue).Length -gt 1024) {
Copy-Item -Path $tempPath -Destination $scriptPath -Force
Remove-Item $tempPath -Force -ErrorAction SilentlyContinue
$result = "Agent erfolgreich aktualisiert - neue Version aktiv ab naechstem Run"
Write-Log "UPDATE: Manuelles Update erfolgreich"
} else {
Remove-Item $tempPath -Force -ErrorAction SilentlyContinue
$result = "Fehler: Heruntergeladene Datei ungueltig"
Write-Log "UPDATE ERROR: Datei zu klein"
}
} catch {
$result = "Fehler: $($_.Exception.Message)"
Write-Log "UPDATE ERROR: $result"
}
}
'upgrade_win11' {
Write-Log "WIN11: Starte Windows 11 Upgrade-Prozess..."
$assistantPath = "C:\ProgramData\IT Nexus Agent\Win11Upgrade.exe"
try {
Write-Log "WIN11: Lade Installation Assistant herunter..."
Invoke-WebRequest -Uri "https://go.microsoft.com/fwlink/?linkid=2171764" -OutFile $assistantPath -TimeoutSec 300
if ((Get-Item $assistantPath -ErrorAction SilentlyContinue).Length -gt 1MB) {
# Als angemeldeter Benutzer ausfuehren damit UI sichtbar ist
$loggedInUser = (Get-CimInstance Win32_ComputerSystem).UserName
if ($loggedInUser -and $loggedInUser -ne '') {
Unregister-ScheduledTask -TaskName "IT Nexus Win11 Upgrade" -Confirm:$false -ErrorAction SilentlyContinue
$action = New-ScheduledTaskAction -Execute $assistantPath -Argument "/skipeula /auto upgrade"
$trigger = New-ScheduledTaskTrigger -Once -At (Get-Date).AddSeconds(20)
$principal = New-ScheduledTaskPrincipal -UserId $loggedInUser -LogonType Interactive -RunLevel Highest
$settings = New-ScheduledTaskSettingsSet -ExecutionTimeLimit (New-TimeSpan -Hours 3)
Register-ScheduledTask -TaskName "IT Nexus Win11 Upgrade" -Action $action -Trigger $trigger -Principal $principal -Settings $settings -Force | Out-Null
Start-ScheduledTask -TaskName "IT Nexus Win11 Upgrade"
$reportBody = @{ command_id = $cmdId; status = 'running'; result = "Windows 11 Upgrade gestartet fuer Benutzer $loggedInUser - Fortschritt sichtbar auf dem Geraet" } | ConvertTo-Json
Invoke-RestMethod -Uri "$ServerUrl/api/patch/commands/result" -Method POST -Body $reportBody -Headers @{ 'Content-Type' = 'application/json'; 'X-Agent-Key' = $AgentKey } -TimeoutSec 10 -ErrorAction SilentlyContinue
Write-Log "WIN11: Upgrade als $loggedInUser gestartet (Status: running)"
return
} else {
Start-Process -FilePath $assistantPath -ArgumentList "/quietinstall /skipeula /auto upgrade" -NoNewWindow
$reportBody = @{ command_id = $cmdId; status = 'running'; result = "Windows 11 Upgrade gestartet (kein Benutzer angemeldet)" } | ConvertTo-Json
Invoke-RestMethod -Uri "$ServerUrl/api/patch/commands/result" -Method POST -Body $reportBody -Headers @{ 'Content-Type' = 'application/json'; 'X-Agent-Key' = $AgentKey } -TimeoutSec 10 -ErrorAction SilentlyContinue
Write-Log "WIN11: Upgrade als SYSTEM gestartet (kein User)"
return
}
} else {
$result = "Fehler: Download fehlgeschlagen oder Datei zu klein"
Write-Log "WIN11 ERROR: Download fehlgeschlagen"
}
} catch {
$result = "Fehler: $($_.Exception.Message)"
Write-Log "WIN11 ERROR: $result"
}
}
'reboot' {
$result = "Neustart wird in 60 Sekunden durchgefuehrt"
Write-Log "PATCH: Neustart geplant"
$reportBody = @{ command_id = $cmdId; status = 'done'; result = $result } | ConvertTo-Json
Invoke-RestMethod -Uri "$ServerUrl/api/patch/commands/result" `
-Method POST -Body $reportBody `
-Headers @{ 'Content-Type' = 'application/json'; 'X-Agent-Key' = $AgentKey } `
-TimeoutSec 10 -ErrorAction SilentlyContinue
Start-Sleep -Seconds 5
shutdown.exe /r /t 60 /c "IT Nexus Patch Management - Geplanter Neustart"
return
}
}
} catch {
$result = "Fehler: $($_.Exception.Message)"
Write-Log "PATCH ERROR: $result"
}
try {
$reportBody = @{ command_id = $cmdId; status = 'done'; result = $result } | ConvertTo-Json
Invoke-RestMethod -Uri "$ServerUrl/api/patch/commands/result" `
-Method POST -Body $reportBody `
-Headers @{ 'Content-Type' = 'application/json'; 'X-Agent-Key' = $AgentKey } `
-TimeoutSec 10
} catch {
Write-Log "PATCH: Ergebnis-Meldung fehlgeschlagen: $($_.Exception.Message)"
}
}
try {
$headers = @{
'Content-Type' = 'application/json'
'X-Agent-Key' = $AgentKey
}
$cleanPayload = $payload -replace '[\x00-\x1F\x7F]', ''
$response = Invoke-RestMethod -Uri "$ServerUrl/api/monitoring/checkin" `
-Method POST -Body $cleanPayload -Headers $headers -TimeoutSec 30
Write-Log "OK: Checkin erfolgreich (Hostname: $env:COMPUTERNAME)"
# Self-Update pruefen
$serverVersion = $response.agent_version
if ($serverVersion -and $serverVersion -ne $AgentVersion) {
Write-Log "UPDATE: Neue Agent-Version verfuegbar: $serverVersion (aktuell: $AgentVersion)"
try {
$scriptPath = $MyInvocation.MyCommand.Path
$tempPath = "$scriptPath.update"
$updateHeaders = @{ 'X-Agent-Key' = $AgentKey }
Invoke-WebRequest -Uri "$ServerUrl/api/monitoring/agent-script" `
-Headers $updateHeaders -OutFile $tempPath -TimeoutSec 30
if ((Get-Item $tempPath).Length -gt 1024) {
Copy-Item -Path $tempPath -Destination $scriptPath -Force
Remove-Item $tempPath -Force -ErrorAction SilentlyContinue
Write-Log "UPDATE: Agent erfolgreich auf Version $serverVersion aktualisiert."
} else {
Remove-Item $tempPath -Force -ErrorAction SilentlyContinue
Write-Log "UPDATE: Heruntergeladene Datei zu klein - Update abgebrochen"
}
} catch {
Write-Log "UPDATE ERROR: $($_.Exception.Message)"
}
}
# Laufende Commands pruefen (z.B. Win11 Upgrade)
if ($response.running_commands -and $response.running_commands.Count -gt 0) {
foreach ($rc in $response.running_commands) {
if ($rc.command -eq 'upgrade_win11') {
$task = Get-ScheduledTask -TaskName "IT Nexus Win11 Upgrade" -ErrorAction SilentlyContinue
$proc = Get-Process -Name "Win11Upgrade" -ErrorAction SilentlyContinue
$stillRunning = ($task -and $task.State -eq 'Running') -or ($proc -ne $null)
if (-not $stillRunning) {
$taskInfo = Get-ScheduledTaskInfo -TaskName "IT Nexus Win11 Upgrade" -ErrorAction SilentlyContinue
$exitCode = if ($taskInfo) { $taskInfo.LastTaskResult } else { 0 }
$doneResult = if ($exitCode -eq 0) { "Windows 11 Upgrade abgeschlossen" } else { "Upgrade beendet (Code: $exitCode)" }
$rb = @{ command_id = $rc.id; status = 'done'; result = $doneResult } | ConvertTo-Json
Invoke-RestMethod -Uri "$ServerUrl/api/patch/commands/result" -Method POST -Body $rb -Headers @{ 'Content-Type' = 'application/json'; 'X-Agent-Key' = $AgentKey } -TimeoutSec 10 -ErrorAction SilentlyContinue
Write-Log "WIN11: Upgrade abgeschlossen (Code: $exitCode)"
} else {
Write-Log "WIN11: Upgrade laeuft noch..."
}
}
}
}
# Ankuendigungen anzeigen (als eingeloggter Benutzer via ScheduledTask)
if ($response.announcements -and $response.announcements.Count -gt 0) {
foreach ($ann in $response.announcements) {
try {
$annId = $ann.id
$annTitle = $ann.title -replace "'", "''"
$annMessage = $ann.message -replace "'", "''"
$typeLabel = switch ($ann.type) {
'warning' { 'WICHTIGE WARNUNG' }
'maintenance' { 'WARTUNGSANKUENDIGUNG' }
default { 'INFORMATION' }
}
$accentColor = switch ($ann.type) {
'warning' { '220, 50, 50' }
'maintenance' { '245, 158, 11' }
default { '99, 102, 241' }
}
# PS-Script das im Benutzer-Kontext laeuft und den Dialog zeigt
$dialogScript = @"
Add-Type -AssemblyName System.Windows.Forms
Add-Type -AssemblyName System.Drawing
`$form = New-Object System.Windows.Forms.Form
`$form.Text = 'IT Nexus - $typeLabel'
`$form.Size = New-Object System.Drawing.Size(520, 330)
`$form.StartPosition = 'CenterScreen'
`$form.FormBorderStyle = 'FixedDialog'
`$form.MaximizeBox = `$false
`$form.MinimizeBox = `$false
`$form.TopMost = `$true
`$form.BackColor = [System.Drawing.Color]::FromArgb(24, 24, 37)
`$lTitle = New-Object System.Windows.Forms.Label
`$lTitle.Text = '$annTitle'
`$lTitle.Font = New-Object System.Drawing.Font('Segoe UI', 13, [System.Drawing.FontStyle]::Bold)
`$lTitle.ForeColor = [System.Drawing.Color]::White
`$lTitle.Location = New-Object System.Drawing.Point(20, 20)
`$lTitle.Size = New-Object System.Drawing.Size(460, 36)
`$form.Controls.Add(`$lTitle)
`$lMsg = New-Object System.Windows.Forms.Label
`$lMsg.Text = '$annMessage'
`$lMsg.Font = New-Object System.Drawing.Font('Segoe UI', 10)
`$lMsg.ForeColor = [System.Drawing.Color]::FromArgb(200, 200, 220)
`$lMsg.Location = New-Object System.Drawing.Point(20, 66)
`$lMsg.Size = New-Object System.Drawing.Size(460, 155)
`$lMsg.AutoSize = `$false
`$form.Controls.Add(`$lMsg)
`$lHint = New-Object System.Windows.Forms.Label
`$lHint.Text = 'Bitte lesen und Kenntnisnahme bestaetigen.'
`$lHint.Font = New-Object System.Drawing.Font('Segoe UI', 8, [System.Drawing.FontStyle]::Italic)
`$lHint.ForeColor = [System.Drawing.Color]::FromArgb(130, 130, 150)
`$lHint.Location = New-Object System.Drawing.Point(20, 228)
`$lHint.Size = New-Object System.Drawing.Size(460, 20)
`$form.Controls.Add(`$lHint)
`$btn = New-Object System.Windows.Forms.Button
`$btn.Text = 'Gelesen und bestaetigt'
`$btn.Font = New-Object System.Drawing.Font('Segoe UI', 10, [System.Drawing.FontStyle]::Bold)
`$btn.ForeColor = [System.Drawing.Color]::White
`$btn.BackColor = [System.Drawing.Color]::FromArgb($accentColor)
`$btn.FlatStyle = 'Flat'
`$btn.Location = New-Object System.Drawing.Point(20, 255)
`$btn.Size = New-Object System.Drawing.Size(460, 40)
`$btn.DialogResult = [System.Windows.Forms.DialogResult]::OK
`$form.Controls.Add(`$btn)
`$form.AcceptButton = `$btn
`$r = `$form.ShowDialog()
if (`$r -eq [System.Windows.Forms.DialogResult]::OK) {
`$b = [System.Text.Encoding]::UTF8.GetBytes('{"hostname":"' + `$env:COMPUTERNAME + '"}')
`$req = [System.Net.WebRequest]::Create('$ServerUrl/api/announcements/$annId/ack-agent')
`$req.Method = 'POST'
`$req.ContentType = 'application/json'
`$req.Headers.Add('X-Agent-Key','$AgentKey')
`$req.ContentLength = `$b.Length
`$s = `$req.GetRequestStream(); `$s.Write(`$b,0,`$b.Length); `$s.Close()
try { `$req.GetResponse().Close() } catch {}
}
"@
# Dialog-Script temporaer speichern
$scriptFile = "C:\ProgramData\IT Nexus Agent\ann_$annId.ps1"
$dialogScript | Out-File -FilePath $scriptFile -Encoding UTF8 -Force
# Eingeloggten Benutzer ermitteln
$loggedUser = (Get-CimInstance Win32_ComputerSystem).UserName
if ($loggedUser -and $loggedUser -ne '') {
$taskName = "ITNexus-Ann-$annId"
Unregister-ScheduledTask -TaskName $taskName -Confirm:$false -ErrorAction SilentlyContinue
$action = New-ScheduledTaskAction -Execute 'powershell.exe' -Argument "-ExecutionPolicy Bypass -WindowStyle Normal -File `"$scriptFile`""
$trigger = New-ScheduledTaskTrigger -Once -At (Get-Date).AddSeconds(3)
$principal = New-ScheduledTaskPrincipal -UserId $loggedUser -LogonType Interactive -RunLevel Limited
$settings = New-ScheduledTaskSettingsSet -ExecutionTimeLimit (New-TimeSpan -Minutes 60) -StartWhenAvailable
Register-ScheduledTask -TaskName $taskName -Action $action -Trigger $trigger -Principal $principal -Settings $settings -Force | Out-Null
Write-Log "ANNOUNCEMENT: Dialog fuer Benutzer $loggedUser gestartet - ID $annId"
} else {
Write-Log "ANNOUNCEMENT: Kein Benutzer eingeloggt - Dialog wird beim naechsten Check-in versucht"
}
} catch {
Write-Log "ANNOUNCEMENT ERROR: $($_.Exception.Message)"
}
}
}
# Pending Patch-Commands verarbeiten
if ($response.commands -and $response.commands.Count -gt 0) {
Write-Log "PATCH: $($response.commands.Count) Command(s) empfangen"
foreach ($cmd in $response.commands) {
Invoke-PatchCommand -cmd $cmd.command -cmdId $cmd.id
}
}
} catch {
$statusCode = $_.Exception.Response.StatusCode.Value__
Write-Log "ERROR: Checkin fehlgeschlagen - HTTP $statusCode - $($_.Exception.Message)"
try {
$reader = New-Object System.IO.StreamReader($_.Exception.Response.GetResponseStream())
Write-Log "ERROR Detail: $($reader.ReadToEnd())"
} catch {}
}
# ── Schneller Announcement-Poll (alle 15 Sekunden im Hintergrund) ─────────────
function Invoke-AnnouncementPoll {
try {
$pollBody = @{ hostname = $env:COMPUTERNAME } | ConvertTo-Json
$pollResp = Invoke-RestMethod -Uri "$ServerUrl/api/monitoring/announcements-poll" `
-Method POST -Body $pollBody `
-Headers @{ 'Content-Type' = 'application/json'; 'X-Agent-Key' = $AgentKey } `
-TimeoutSec 10
if ($pollResp.announcements -and $pollResp.announcements.Count -gt 0) {
foreach ($ann in $pollResp.announcements) {
$annId = $ann.id
$annTitle = $ann.title -replace "'", "''"
$annMessage = $ann.message -replace "'", "''"
$accentColor = switch ($ann.type) {
'warning' { '220, 50, 50' }
'maintenance' { '245, 158, 11' }
default { '99, 102, 241' }
}
$typeLabel = switch ($ann.type) {
'warning' { 'WICHTIGE WARNUNG' }
'maintenance' { 'WARTUNGSANKUENDIGUNG' }
default { 'INFORMATION' }
}
$dialogScript = @"
Add-Type -AssemblyName System.Windows.Forms
Add-Type -AssemblyName System.Drawing
`$form = New-Object System.Windows.Forms.Form
`$form.Text = 'IT Nexus - $typeLabel'
`$form.Size = New-Object System.Drawing.Size(520, 330)
`$form.StartPosition = 'CenterScreen'
`$form.FormBorderStyle = 'FixedDialog'
`$form.MaximizeBox = `$false
`$form.MinimizeBox = `$false
`$form.TopMost = `$true
`$form.BackColor = [System.Drawing.Color]::FromArgb(24, 24, 37)
`$lTitle = New-Object System.Windows.Forms.Label
`$lTitle.Text = '$annTitle'
`$lTitle.Font = New-Object System.Drawing.Font('Segoe UI', 13, [System.Drawing.FontStyle]::Bold)
`$lTitle.ForeColor = [System.Drawing.Color]::White
`$lTitle.Location = New-Object System.Drawing.Point(20, 20)
`$lTitle.Size = New-Object System.Drawing.Size(460, 36)
`$form.Controls.Add(`$lTitle)
`$lMsg = New-Object System.Windows.Forms.Label
`$lMsg.Text = '$annMessage'
`$lMsg.Font = New-Object System.Drawing.Font('Segoe UI', 10)
`$lMsg.ForeColor = [System.Drawing.Color]::FromArgb(200, 200, 220)
`$lMsg.Location = New-Object System.Drawing.Point(20, 66)
`$lMsg.Size = New-Object System.Drawing.Size(460, 155)
`$lMsg.AutoSize = `$false
`$form.Controls.Add(`$lMsg)
`$lHint = New-Object System.Windows.Forms.Label
`$lHint.Text = 'Bitte lesen und Kenntnisnahme bestaetigen.'
`$lHint.Font = New-Object System.Drawing.Font('Segoe UI', 8, [System.Drawing.FontStyle]::Italic)
`$lHint.ForeColor = [System.Drawing.Color]::FromArgb(130, 130, 150)
`$lHint.Location = New-Object System.Drawing.Point(20, 228)
`$lHint.Size = New-Object System.Drawing.Size(460, 20)
`$form.Controls.Add(`$lHint)
`$btn = New-Object System.Windows.Forms.Button
`$btn.Text = 'Gelesen und bestaetigt'
`$btn.Font = New-Object System.Drawing.Font('Segoe UI', 10, [System.Drawing.FontStyle]::Bold)
`$btn.ForeColor = [System.Drawing.Color]::White
`$btn.BackColor = [System.Drawing.Color]::FromArgb($accentColor)
`$btn.FlatStyle = 'Flat'
`$btn.Location = New-Object System.Drawing.Point(20, 255)
`$btn.Size = New-Object System.Drawing.Size(460, 40)
`$btn.DialogResult = [System.Windows.Forms.DialogResult]::OK
`$form.Controls.Add(`$btn)
`$form.AcceptButton = `$btn
`$r = `$form.ShowDialog()
if (`$r -eq [System.Windows.Forms.DialogResult]::OK) {
`$b = [System.Text.Encoding]::UTF8.GetBytes('{"hostname":"' + `$env:COMPUTERNAME + '"}')
`$req = [System.Net.WebRequest]::Create('$ServerUrl/api/announcements/$annId/ack-agent')
`$req.Method = 'POST'; `$req.ContentType = 'application/json'
`$req.Headers.Add('X-Agent-Key','$AgentKey')
`$req.ContentLength = `$b.Length
`$s = `$req.GetRequestStream(); `$s.Write(`$b,0,`$b.Length); `$s.Close()
try { `$req.GetResponse().Close() } catch {}
}
"@
$scriptFile = "C:\ProgramData\IT Nexus Agent\ann_$annId.ps1"
$dialogScript | Out-File -FilePath $scriptFile -Encoding UTF8 -Force
$loggedUser = (Get-CimInstance Win32_ComputerSystem).UserName
if ($loggedUser) {
$taskName = "ITNexus-Ann-$annId"
Unregister-ScheduledTask -TaskName $taskName -Confirm:$false -ErrorAction SilentlyContinue
$action = New-ScheduledTaskAction -Execute 'powershell.exe' -Argument "-ExecutionPolicy Bypass -WindowStyle Normal -File `"$scriptFile`""
$trigger = New-ScheduledTaskTrigger -Once -At (Get-Date).AddSeconds(2)
$principal = New-ScheduledTaskPrincipal -UserId $loggedUser -LogonType Interactive -RunLevel Limited
$settings = New-ScheduledTaskSettingsSet -ExecutionTimeLimit (New-TimeSpan -Minutes 60) -StartWhenAvailable
Register-ScheduledTask -TaskName $taskName -Action $action -Trigger $trigger -Principal $principal -Settings $settings -Force | Out-Null
Write-Log "ANNOUNCEMENT: Sofort-Dialog gestartet fuer $loggedUser - ID $annId"
}
}
}
} catch {
# Stiller Fehler - nicht kritisch
}
}
# Announcement-Watcher-Task einrichten (alle 15 Sek, bleibt dauerhaft aktiv)
try {
$watcherName = 'IT Nexus Announcement Watcher'
$watcherScript = 'C:\ProgramData\IT Nexus Agent\ann-watcher.ps1'
# Watcher-Script vom Server laden (immer aktuell)
Invoke-WebRequest -Uri "$ServerUrl/api/monitoring/ann-watcher" `
-Headers @{ 'X-Agent-Key' = $AgentKey } `
-OutFile $watcherScript -TimeoutSec 15 -ErrorAction SilentlyContinue
# Task registrieren falls noch nicht vorhanden
if (-not (Get-ScheduledTask -TaskName $watcherName -ErrorAction SilentlyContinue)) {
$wAct = New-ScheduledTaskAction -Execute 'powershell.exe' -Argument "-ExecutionPolicy Bypass -NonInteractive -WindowStyle Hidden -File `"$watcherScript`""
$wTrg = New-ScheduledTaskTrigger -RepetitionInterval (New-TimeSpan -Seconds 15) -Once -At (Get-Date)
$wSet = New-ScheduledTaskSettingsSet -ExecutionTimeLimit (New-TimeSpan -Seconds 14) -MultipleInstances IgnoreNew -StartWhenAvailable
$wPri = New-ScheduledTaskPrincipal -UserId 'SYSTEM' -LogonType ServiceAccount -RunLevel Highest
Register-ScheduledTask -TaskName $watcherName -Action $wAct -Trigger $wTrg -Settings $wSet -Principal $wPri -Force | Out-Null
Write-Log "ANNOUNCEMENT: Watcher-Task registriert (alle 15 Sekunden)"
}
} catch {
Write-Log "ANNOUNCEMENT WATCHER ERROR: $($_.Exception.Message)"
}

103
agent/setup.iss Normal file
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#define MyAppName "IT Nexus Agent"
#define MyAppVersion "1.2.4"
#define MyAppPublisher "Cereda Systems GmbH"
#define MyAppURL "https://it-nexus.cereda-systems.de"
#define MyAppExeName "it-nexus-agent.ps1"
#define InstallDir "{commonappdata}\IT Nexus Agent"
[Setup]
AppId={{B3F7A2C1-4E8D-4F2A-9B1C-7D3E5F6A8B2C}
AppName={#MyAppName}
AppVersion={#MyAppVersion}
AppPublisher={#MyAppPublisher}
AppPublisherURL={#MyAppURL}
DefaultDirName={#InstallDir}
DisableDirPage=yes
DefaultGroupName={#MyAppName}
DisableProgramGroupPage=yes
OutputDir=..\dist
OutputBaseFilename=IT-Nexus-Agent-Setup-v{#MyAppVersion}
SetupIconFile=
Compression=lzma2/ultra64
SolidCompression=yes
WizardStyle=modern
WizardSizePercent=120
PrivilegesRequired=admin
UninstallDisplayName={#MyAppName}
UninstallDisplayIcon={app}\it-nexus-agent.ps1
CloseApplications=no
DisableWelcomePage=no
WizardImageFile=compiler:WizModernImage.bmp
WizardSmallImageFile=compiler:WizModernSmallImage.bmp
[Languages]
Name: "german"; MessagesFile: "compiler:Languages\German.isl"
[Files]
Source: "it-nexus-agent.ps1"; DestDir: "{app}"; Flags: ignoreversion
Source: "config.json.template"; DestDir: "{app}"; DestName: "config.json"; Flags: ignoreversion onlyifdoesntexist
[Run]
Filename: "powershell.exe"; Parameters: "-ExecutionPolicy Bypass -NonInteractive -Command ""Unregister-ScheduledTask -TaskName 'IT Nexus Agent' -Confirm:$false -ErrorAction SilentlyContinue; $a = New-ScheduledTaskAction -Execute 'powershell.exe' -Argument '-ExecutionPolicy Bypass -NonInteractive -WindowStyle Hidden -File \""{app}\it-nexus-agent.ps1\""'; $t = New-ScheduledTaskTrigger -RepetitionInterval (New-TimeSpan -Minutes 1) -Once -At (Get-Date); $s = New-ScheduledTaskSettingsSet -ExecutionTimeLimit (New-TimeSpan -Minutes 2) -MultipleInstances IgnoreNew -StartWhenAvailable; $p = New-ScheduledTaskPrincipal -UserId 'SYSTEM' -LogonType ServiceAccount -RunLevel Highest; Register-ScheduledTask -TaskName 'IT Nexus Agent' -Action $a -Trigger $t -Settings $s -Principal $p -Force; Start-ScheduledTask -TaskName 'IT Nexus Agent'"""; Flags: runhidden waituntilterminated; StatusMsg: "Registriere Windows Scheduled Task..."
[UninstallRun]
Filename: "powershell.exe"; Parameters: "-ExecutionPolicy Bypass -NonInteractive -Command ""Unregister-ScheduledTask -TaskName 'IT Nexus Agent' -Confirm:$false -ErrorAction SilentlyContinue"""; Flags: runhidden waituntilterminated
[Code]
var
ServerUrlPage: TInputQueryWizardPage;
AgentKeyPage: TInputQueryWizardPage;
procedure InitializeWizard;
begin
ServerUrlPage := CreateInputQueryPage(wpWelcome,
'Server-Konfiguration',
'Gib die IT Nexus Server-Adresse ein.',
'');
ServerUrlPage.Add('Server URL:', False);
ServerUrlPage.Values[0] := 'https://it-nexus.cereda-systems.de';
AgentKeyPage := CreateInputQueryPage(ServerUrlPage.ID,
'API Key',
'Gib den Agent API Key ein. Diesen findest du in den IT Nexus Einstellungen.',
'');
AgentKeyPage.Add('Agent API Key:', False);
AgentKeyPage.Values[0] := 'itx-4CPJPTHmCfdrL9D62WacCATEvuvULXcp7ECMpSaNUjsS344F6_L4Ug';
end;
function NextButtonClick(CurPageID: Integer): Boolean;
begin
Result := True;
if CurPageID = ServerUrlPage.ID then begin
if ServerUrlPage.Values[0] = '' then begin
MsgBox('Bitte gib eine Server URL ein.', mbError, MB_OK);
Result := False;
end;
end;
if CurPageID = AgentKeyPage.ID then begin
if AgentKeyPage.Values[0] = '' then begin
MsgBox('Bitte gib einen API Key ein.', mbError, MB_OK);
Result := False;
end;
end;
end;
procedure CurStepChanged(CurStep: TSetupStep);
var
ConfigFile: string;
Config: TStringList;
begin
if CurStep = ssPostInstall then begin
ConfigFile := ExpandConstant('{app}\config.json');
Config := TStringList.Create;
try
Config.Add('{');
Config.Add(' "server_url": "' + ServerUrlPage.Values[0] + '",');
Config.Add(' "agent_key": "' + AgentKeyPage.Values[0] + '"');
Config.Add('}');
Config.SaveToFile(ConfigFile);
finally
Config.Free;
end;
end;
end;

8
agent/uninstall.ps1 Normal file
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# IT Nexus Agent - Uninstaller
$InstallDir = "C:\Program Files\IT Nexus Agent"
$TaskName = "IT Nexus Agent"
Write-Host "=== IT Nexus Agent Deinstallation ===" -ForegroundColor Yellow
Unregister-ScheduledTask -TaskName $TaskName -Confirm:$false -ErrorAction SilentlyContinue
Remove-Item -Path $InstallDir -Recurse -Force -ErrorAction SilentlyContinue
Write-Host "Agent entfernt." -ForegroundColor Green