amazon stock checker

gamecube-checker.sh

#!/bin/bash
#CHROME_HEADER="User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/72.0.3626.81 Safari/537.36"
GC_CONTROLLER="GameCube-Controller_B07DJX3Y47"
GC_ADAPTER="GameCube-Adapter_B07DJX3ZR8"

# replace to your hook url
HOOK_URL="https://outlook.office.com/webhook/xxxyyyzzz"

# generate random user agent 
HEADER1="User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/60.0.3112.113 Safari/537.36"
HEADER2="User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/44.0.2403.157 Safari/537.36"
HEADER3="User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.99 Safari/537.36"
HEADER4="User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/70.0.3538.110 Safari/537.36"
HEADER5="User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:63.0) Gecko/20100101 Firefox/63.0"
HEADER6="User-Agent: Mozilla/5.0 (Windows NT 6.1; Win64; x64; rv:61.0) Gecko/20100101 Firefox/61.0"
HEADER7="User-Agent: Mozilla/5.0 (Windows NT 6.3; WOW64; rv:52.59.12) Gecko/20160044 Firefox/52.59.12"
HEADER8="User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:60.0) Gecko/20100101 Firefox/60.0"

RANDOM_NO=$((1 + RANDOM % 8))

#HEADERS=($HEADER1 $HEADER2 $HEADER3 $HEADER4 $HEADER5 $HEADER6 $HEADER7 $HEADER8)
var="HEADER$RANDOM_NO"
CHROME_HEADER="${!var}"

#send msg to M$ Teams
callback()
{
    ITEM_NAME=$1
    ITEM_NO=$2
    POST_DATA=$(printf '{
                "@context": "https://schema.org/extensions",
                "@type": "MessageCard",
                "themeColor": "0072C6",
                "title": "%s is in stock",
                "text": "Click below **Button** to buy in Amazon!",
                "potentialAction": [
                    {
                    "@type": "OpenUri",
                    "name": "Buy it",
                    "targets": [
                        { "os": "default", "uri": "https://www.amazon.com/dp/%s/" }
                    ]
                    }
                ]
                }' "${ITEM_NAME}" "${ITEM_NO}")
	#echo "${POST_DATA}"
    curl -s -H "Accept: application/json" -H "Content-Type: application/json" -d "$POST_DATA" -X POST $HOOK_URL
}

# send msg to telegram
tele()
{
    ITEM_NAME=$1
    POST_URL="https://api.telegram.org/bot7788:xxyyzz/sendMessage?chat_id=@billzh&tex$

    curl -s $POST_URL
}

for ITEM in $GC_CONTROLLER $GC_ADAPTER
do
    ITEM_NAME="$(cut -d'_' -f1 <<<"$ITEM")"
    ITEM_NO="$(cut -d'_' -f2 <<<"$ITEM")"

    echo "$ITEM_NAME" with code: $ITEM_NO

    RESULT=$(curl -s --compressed -H "$CHROME_HEADER" https://www.amazon.com/gp/offer-listing/$ITEM_NO?m=ATVPDKIKX0DER | grep 'Price + Shipping' | wc -l)    

    #echo $RESULT

    if [ "$RESULT" -ne "1" ]
    then
        echo "NOT FOUND"
    else    
        callback "$ITEM_NAME" $ITEM_NO
	tele "$ITEM_NAME"
        echo "FOUND IT"
    fi
done

after run 1 day, amazon block my server ip, all page all return:

    To discuss automated access to Amazon data please contact api-services-support@amazon.com.
    For information about migrating to our APIs refer to our Marketplace APIs at https://developer.amazonservices.com/ref=rm_5_sv, or our Product Advertising API at https://affiliate-program.amazon.com/gp/advertising/api/detail/main.html/ref=rm_5_ac for advertising use cases.

1. add dynamic user-agent selector
2. add telegram channel notification

JP Amazon: AN1VRQENFRJN5