Update git4jamfpro.sh (#1)

Change to use jamf api roles and clients.
resolves alectrona#13
 
Attempt to obtain the token changed lines 31-33.
Expire the Bearer Token changed line 15.

apiUser == use the clientID.
apiPass == use the clientSecret.

git4jamfpro.sh

@@ -12,7 +12,7 @@ unset jamfProURL apiUser apiPass dryRun downloadScripts downloadEAs pushChangesT
 function finish() {
 
     # Expire the Bearer Token
-    [[ -n "$apiToken" ]] && curl -s -H "Authorization: Bearer $apiToken" "$jamfProURL/uapi/auth/invalidateToken" -X POST
+    [[ -n "$apiToken" ]] && curl -w "%{http_code}" -H "Authorization: Bearer ${apiToken}" $jamfProURL/api/v1/auth/invalidate-token -X POST -s -o /dev/null
 
     rm "$scriptSummariesFile" 2>/dev/null
     rm "$eaSummariesFile" 2>/dev/null
@@ -28,7 +28,9 @@ function get_jamf_pro_api_token() {
     [[ "$healthCheckHttpCode" != "200" ]] && echo "Unable to contact the Jamf Pro server; exiting" && exit 1
 
     # Attempt to obtain the token
-    apiToken=$(curl -s -u "$apiUser:$apiPass" "$jamfProURL/api/v1/auth/token" -X POST 2>/dev/null | jq -r '.token | select(.!=null)')
+    response=$(curl --silent --location --request POST "$jamfProURL/api/oauth/token" --header "Content-Type: application/x-www-form-urlencoded" --data-urlencode "client_id=${apiUser}" --data-urlencode "grant_type=client_credentials" --data-urlencode "client_secret=${apiPass}")
+    apiToken=$(echo "$response" | jq -r '.access_token')
+    tokenExpiration=$(echo "$response" | jq -r '.expires_in')
     [[ -z "$apiToken" ]] && echo "Unable to obtain a Jamf Pro API Bearer Token; exiting" && exit 2
 
     # Validate the token
@@ -547,4 +549,4 @@ if [[ "$downloadEAs" == "true" ]]; then
     wait
 fi
 
-exit 0
+exit 0