urlinfo.sh

#!/bin/bash
#v 1.0.2

URL=$1

# Function to get the description for the certificate result
get_certificate_description() {
    case $certificate_result in
        0) echo "The certificate verification was successful." ;;
        1) echo "The certificate could not be found." ;;
        2) echo "The certificate could not be verified for some reason (e.g., it's self-signed or issued by an unknown CA)." ;;
        3) echo "The certificate is valid, but the certificate authority (CA) is not known." ;;
        4) echo "The certificate has expired." ;;
        5) echo "The certificate is not yet valid." ;;
        6) echo "The certificate chain is incomplete." ;;
        7) echo "The certificate's issuer (CA) certificate is not available." ;;
        *) echo "Unknown certificate verification result" ;;
    esac
}

# Function to perform the curl request and print the output
perform_curl_request() {
    local url="$URL"
    local output
    output=$(curl -s -o /dev/null -w "HTTP status code: %{http_code}\nFinal URL: %{url_effective}\nLast modified: $last\nNumber of redirects: %{num_redirects}\nCertificate Result: %{ssl_verify_result}\nRemote IP: %{remote_ip}\n" -L "$url")
    echo "$output"
}

last=$(curl -sI "$1" | grep -i 'Last-Modified' || echo "Not found")
ipinfo=$(curl -s http://ip-api.com/json/$url | jq -r '{ country, city, timezone, isp }' | sed 's/[,{}"]//g' | grep -v '^$' | awk '{for(i=1;i<=NF;i++) $i=toupper(substr($i,1,1)) tolower(substr($i,2))}1')

# Main script
if [[ "$URL" == "URL" || ! "$URL" =~ ^https?:// ]]; then
    echo "No URL provided."
    exit 1
fi

# Perform the curl request and store the output
output=$(perform_curl_request "$url")

# Extract the ssl_verify_result value from the output and print the certificate result with its description
certificate_result=$(echo "$output" | awk '/Certificate Result:/ {print $NF; exit}')
if [[ -z "$certificate_result" ]]; then
    echo "No certificate result found."
    exit 1
fi
certificate_description=$(get_certificate_description "$certificate_result")

# Print the output without certificate result
echo "$(echo -e "\n$output\n$ipinfo" | grep -v 'Certificate Result:')"

# Print the certificate result with its description
echo -e "Certificate Result: $certificate_result ($certificate_description)\n"

curl -s -L "https://gist.githubusercontent.com/mbierman/0f3f5efee909bd19e56a248b46e88906/raw/f5c0ae85e4682f72ad7260c13ff80115e0d1a750/urlinfo.sh" | bash -s https://micrsoft.com