Merge pull request #493 from acodega/acodega-AgnosticInstall

Add simple, no prerequisite install script installInstallomator.sh

MDM/InstallInstallomator.sh

@@ -0,0 +1,43 @@
+#!/bin/sh
+
+# This script is meant to povide the simplest MDM/management platform agnostic way to install Installomator
+# The only requirement is an Internet connection
+
+export PATH=/usr/bin:/bin:/usr/sbin:/sbin
+
+# Get the URL of the latest PKG From the Installomator GitHub repo
+url=$(curl --silent --fail "https://api.github.com/repos/Installomator/Installomator/releases/latest" | awk -F '"' "/browser_download_url/ && /pkg\"/ { print \$4; exit }")
+# Expected Team ID of the downloaded PKG
+expectedTeamID="JME5BW3F3R"
+exitCode=0
+
+# Check for Installomator and install if not found
+if [ ! -e "/usr/local/Installomator/Installomator.sh" ]; then
+  echo "Installomator not found. Installing."
+  # Create temporary working directory
+  tempDirectory=$( mktemp -d )
+  echo "Created working directory '$tempDirectory'"
+  # Download the installer package
+  echo "Downloading Installomator package"
+  curl --location --silent "$url" -o "$tempDirectory/Installomator.pkg"
+  # Verify the download
+  teamID=$(spctl -a -vv -t install "$tempDirectory/Installomator.pkg" 2>&1 | awk '/origin=/ {print $NF }' | tr -d '()')
+  echo "Team ID for downloaded package: $teamID"
+  # Install the package if Team ID validates
+  if [ "$expectedTeamID" = "$teamID" ] || [ "$expectedTeamID" = "" ]; then
+    echo "Package verified. Installing package Installomator.pkg"
+    installer -pkg "$tempDirectory/Installomator.pkg" -target / -verbose
+    exitCode=$?
+  else
+    echo "Package verification failed before package installation could start. Download link may be invalid. Aborting."
+    exitCode=1
+    exit $exitCode
+  fi
+  # Remove the temporary working directory when done
+  echo "Deleting working directory '$tempDirectory' and its contents"
+  rm -Rf "$tempDirectory"
+else
+  echo "Installomator already installed."
+fi
+
+exit $exitCode