Send Apple push notification from terminal

send_push.sh

#!/bin/sh

show_help() {
    echo ""
    echo "  $(basename "$0") - Send push notification to an iOS device."
    echo ""
    echo "  Usage:"
    echo "    $(basename "$0") [options] <app-bundle-id> <cert-file.p12> <cert-password> <push-token>"
    echo ""
    echo "  Options:"
    echo "    -p <payload-json-file-path>"
    echo "    -s\tSilent push"
    echo "    -d\tSend to Debug app (sandbox environment)"
}

while getopts "p:sd" OPTION
do 
   case $OPTION in
       p)
         payload_file="$OPTARG"
         ;;
       s)
         silent=true
         ;;
       d)
         debug=.development
         ;;
       ?)
         show_help
         exit 1
         ;;
     esac
done

shift $(($OPTIND - 1))
if [[ $# -ne 4 ]]; then
    show_help
    exit 1
fi

app=$1
cert=$2
password=$3
token=$4

if [[ -z "$silent" ]]; then
    priority=10
    type=alert
    payload='"alert" : { "title" : "Test Push", "body" : "Did you get it?" }'
else
    priority=5
    type=background
    payload='"content-available" : true'
fi

if [[ -z "$payload_file" ]]; then
    json="{\"aps\" : { $payload }, \"pushType\" : \"0\" }"
else
    json=$(cat "$payload_file")
fi

curl -v --http2 \
    --data "$json" \
    --header "apns-push-type: $type" \
    --header "apns-priority: $priority" \
    --header "apns-topic: $app" \
    --cert-type P12 --cert "$cert:$password" \
    "https://api$debug.push.apple.com/3/device/$token"