From 9221cb050da00eae9e53533690d7c427d793171d Mon Sep 17 00:00:00 2001
From: Christian Stein <cstein@netways.de>
Date: Tue, 24 Mar 2020 20:10:41 +0100
Subject: [PATCH] Adds function to fetch local Icinga 2 Agent host certificate

---
 .../Get-IcingaAgentHostCertificate.psm1       | 27 +++++++++++++++++++
 1 file changed, 27 insertions(+)
 create mode 100644 lib/core/icingaagent/getters/Get-IcingaAgentHostCertificate.psm1

diff --git a/lib/core/icingaagent/getters/Get-IcingaAgentHostCertificate.psm1 b/lib/core/icingaagent/getters/Get-IcingaAgentHostCertificate.psm1
new file mode 100644
index 0000000..75b1aa6
--- /dev/null
+++ b/lib/core/icingaagent/getters/Get-IcingaAgentHostCertificate.psm1
@@ -0,0 +1,27 @@
+function Get-IcingaAgentHostCertificate()
+{
+    # Default for Icinga 2.8.0 and above
+    [string]$CertDirectory = (Join-Path -Path $Env:ProgramData -ChildPath 'icinga2\var\lib\icinga2\certs\*');
+    $FolderContent         = Get-ChildItem -Path $CertDirectory -Filter '*.crt' -Exclude 'ca.crt';
+    $Hostname              = Get-IcingaHostname -LowerCase $TRUE;
+    $CertPath              = $null;
+
+    foreach ($certFile in $FolderContent) {
+        if ($certFile.Name.Contains($Hostname)) {
+            $CertPath = $certFile.FullName;
+            break;
+        }
+    }
+
+    if ([string]::IsNullOrEmpty($CertPath)) {
+        return $null;
+    }
+
+    $Certificate = New-Object Security.Cryptography.X509Certificates.X509Certificate2 $CertPath;
+    
+    return @{
+        'CertFile'   = $CertPath;
+        'Subject'    = $Certificate.SubjectName;
+        'Thumbprint' = $Certificate.Thumbprint;
+    };
+}