#!/bin/bash
# ask password, upload file to https://%%UPLOADHOST%%/upload.php?password=<given password>

# function to upload file with password
upload() {
    # $1 is file
    # $2 is password
    echo "Uploading $1"
    curl -F "file=@$1" https://%%UPLOADHOST%%/upload.php?password=$2
    # if failed exit
    if [ $? -ne 0 ]; then
        echo "Upload $1 failed"
        exit 1
    fi
    echo "Upload $1 done"
}

# verify argument is existing file
if [ ! -f "$1" ]; then
    echo "File not found: $1"
    exit 1
fi
# ask password
read -s -p "Password: " password

# If file larger than 5M then split it to pieces and make extension .split
if [ $(stat -c%s "$1") -gt 1500000 ]; then
    # retrieve sha512 hash of file to variable sum
    sum=$(sha512sum "$1" | cut -d' ' -f1)
    split -b 1500000 "$1" "$1".split
    #rm "$1"
    echo "File too large, split to pieces"
    # touch final file that has ending .split.final
    touch "$1".split.final
    # Now upload them all same way as other files
    for file in "$1".split*; do
        upload $file $password
    done
    # Upload final file
    # upload "$1.split.final" $password
    # Delete all generated files
    rm "$1".split*
    # show hash of file
    echo "sha512sum of file: $sum"
else
    upload $1 $password
fi