default_browser_mail.sh

#!/bin/bash

###
#
#     Original author : Palantir Technologies - https://palantir.com
#           Permalink : https://github.com/palantir/jamf-pro-scripts/blob/95fd9591b02c4b1d6c0edd747a3c05ba155197fe/scripts/Set%20Default%20Browser%20and%20Email%20Client.sh
#         Modified by : Jérémy Bessard - https://clementine.la
#             Created : 2017-09-06
#       Last Modified : 2020-07-08
#             Version : 1.4.3
#
###

###
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
###

###
#
#           Common app IDs
#
#      Google Chrome : com.google.Chrome
#    Mozilla Firefox : org.mozilla.firefox
#             Safari : com.apple.Safari
#  
#  Microsoft Outlook : com.microsoft.Outlook
#         Apple Mail : com.apple.mail
#        Thunberbird : org.mozilla.thunderbird
#
###

########## Use the app IDs here ##########
browserAgentString="com.google.Chrome"
emailAgentString="com.microsoft.Outlook"

loggedInUser=$(scutil <<< "show State:/Users/ConsoleUser" | awk '/Name :/ && ! /loginwindow/ { print $3 }')
loggedInUserHome=$(/usr/bin/dscl . -read "/Users/$loggedInUser" NFSHomeDirectory | /usr/bin/awk '{print $NF}')
launchServicesPlistFolder="$loggedInUserHome/Library/Preferences/com.apple.LaunchServices"
launchServicesPlist="$launchServicesPlistFolder/com.apple.launchservices.secure.plist"
plistbuddyPath="/usr/libexec/PlistBuddy"
plistbuddyPreferences=(
  "Add :LSHandlers:0:LSHandlerRoleAll string $browserAgentString"
  "Add :LSHandlers:0:LSHandlerURLScheme string http"
  "Add :LSHandlers:1:LSHandlerRoleAll string $browserAgentString"
  "Add :LSHandlers:1:LSHandlerURLScheme string https"
  "Add :LSHandlers:2:LSHandlerRoleViewer string $browserAgentString"
  "Add :LSHandlers:2:LSHandlerContentType string public.html"
  "Add :LSHandlers:3:LSHandlerRoleViewer string $browserAgentString"
  "Add :LSHandlers:3:LSHandlerContentType string public.url"
  "Add :LSHandlers:4:LSHandlerRoleViewer string $browserAgentString"
  "Add :LSHandlers:4:LSHandlerContentType string public.xhtml"
  "Add :LSHandlers:5:LSHandlerRoleAll string $emailAgentString"
  "Add :LSHandlers:5:LSHandlerURLScheme string mailto"
)
lsregisterPath="/System/Library/Frameworks/CoreServices.framework/Versions/A/Frameworks/LaunchServices.framework/Versions/A/Support/lsregister"



########## function-ing ##########



# Exits if any required Jamf Pro arguments are undefined.
function check_jamf_pro_arguments {
  jamfProArguments=(
    "$browserAgentString"
    "$emailAgentString"
  )
  for argument in "${jamfProArguments[@]}"; do
    if [[ -z "$argument" ]]; then
      echo "❌ ERROR: Undefined Jamf Pro argument, unable to proceed."
      exit 74
    fi
  done
}



########## main process ##########



# Exit if any required Jamf Pro arguments are undefined.
check_jamf_pro_arguments


# Clear out LSHandlers array data from $launchServicesPlist, or create new plist if file does not exist.
if [[ -e "$launchServicesPlist" ]]; then
  "$plistbuddyPath" -c "Delete :LSHandlers" "$launchServicesPlist"
  echo "Reset LSHandlers array from $launchServicesPlist."
else
  /bin/mkdir -p "$launchServicesPlistFolder"
  "$plistbuddyPath" -c "Save" "$launchServicesPlist"
  echo "Created $launchServicesPlist."
fi


# Add new LSHandlers array.
"$plistbuddyPath" -c "Add :LSHandlers array" "$launchServicesPlist"
echo "Initialized LSHandlers array."


# Set handler for each URL scheme and content type to specified browser and email client.
for plistbuddyCommand in "${plistbuddyPreferences[@]}"; do
  "$plistbuddyPath" -c "$plistbuddyCommand" "$launchServicesPlist"
  if [[ "$plistbuddyCommand" = *"$browserAgentString"* ]] || [[ "$plistbuddyCommand" = *"$emailAgentString"* ]]; then
    arrayEntry=$(echo "$plistbuddyCommand" | /usr/bin/awk -F: '{print $2 ":" $3 ":" $4}' | /usr/bin/sed 's/ .*//')
    prefLabel=$(echo "$plistbuddyCommand" | /usr/bin/awk '{print $4}')
    echo "Set $arrayEntry to $prefLabel."
  fi
done


# Fix permissions on $launchServicesPlistFolder.
/usr/sbin/chown -R "$loggedInUser" "$launchServicesPlistFolder"
echo "Fixed permissions on $launchServicesPlistFolder."


# Reset Launch Services database.
"$lsregisterPath" -kill -r -domain local -domain system -domain user
echo "Reset Launch Services database. A restart may also be required for these new default client changes to take effect."



exit 0