Get Bing Ads refresh token

get_bing_ads_refresh_token.sh

#!/bin/bash

# https://learn.microsoft.com/en-us/advertising/guides/authentication-oauth-get-tokens?view=bingads-13

set -e

# check if CLIENT_ID and CLIENT_SECRET variable are set
if [[ -z $CLIENT_ID ]]; then
    echo "Environment variable CLIENT_ID is not set" 1>&2
    exit 1
fi
if [[ -z $CLIENT_SECRET ]]; then
    echo "Environment variable CLIENT_SECRET is not set" 1>&2
    exit 1
fi

open "https://login.microsoftonline.com/common/oauth2/v2.0/authorize?client_id=$CLIENT_ID&scope=openid%20profile%20https://ads.microsoft.com/msads.manage%20offline_access&response_type=code&redirect_uri=https://login.microsoftonline.com/common/oauth2/nativeclient&state=ClientStateGoesHere&prompt=login" &

echo "Grant consent in the browser, and then paste the response URI here:"
read URL
code=$(echo $URL | grep -Po '(?<=code=)(.*?)(?=\&)')

# Get the initial access and refresh tokens. 

response=$(curl https://login.microsoftonline.com/common/oauth2/v2.0/token -H "ContentType=application/x-www-form-urlencoded" -d "client_id=$CLIENT_ID&scope=https://ads.microsoft.com/msads.manage%20offline_access&code=$code&grant_type=authorization_code&redirect_uri=https%3A%2F%2Flogin.microsoftonline.com%2Fcommon%2Foauth2%2Fnativeclient&client_secret=$CLIENT_SECRET")

access_token=$(echo $response | jq -r '.access_token')
refresh_token=$(echo $response | jq -r '.refresh_token')

# The access token will expire e.g., after one hour. 
# Use the refresh token to get new access and refresh tokens. 

response=$(curl https://login.microsoftonline.com/common/oauth2/v2.0/token -H "ContentType=application/x-www-form-urlencoded" -d "client_id=$CLIENT_ID&scope=https://ads.microsoft.com/msads.manage%20offline_access&code=$code&grant_type=refresh_token&refresh_token=$refresh_token&client_secret=$CLIENT_SECRET")

# $oauthTokens = ($response.Content | ConvertFrom-Json)  
echo "Access token: $(echo $response | jq -r '.access_token')"
echo "Access token expires in: $(echo $response | jq -r '.expires_in')"
echo "Refresh token: $(echo $response | jq -r '.refresh_token')"