uploader.sh

#!/bin/dash

is_compressible() {
    for f in "$@"; do
        [ -d "$f" ] && ! is_compressible "$f"/* && return 1
        case "${f##*.}" in
            jpg|jpeg|jxl|mkv|mp4|webm|mov|pdf|png|m4v|flv|avi) return 1;;
        esac
    done
    return 0
}

upload_file() {
    LINK=$(curl -F"file=@$1" 0x0.st)
    echo "$LINK\n${2:-}" | wl-copy
}

read -p "Name: " ARCHIVE_BASENAME

[ "$1" = "a" ] && {
    UUID=$(uuidgen)
    shift
    FINAL_ARCHIVE="${ARCHIVE_BASENAME}.7z"
    COMPRESSION_LEVEL="-mx=9"

    for FILE in "$@"; do
        if ! is_compressible "$FILE"; then
            COMPRESSION_LEVEL="-mx=0"
            break
        fi
    done

    7z a -t7z -mhe=on -p"$UUID" "$FINAL_ARCHIVE" $COMPRESSION_LEVEL "$@"

    upload_file "$FINAL_ARCHIVE" "$UUID"

    rm "$FINAL_ARCHIVE"
} || {
    [ $# -ne 1 ] && { echo "Use 'a' for more than one file."; exit 1; }
    upload_file "$1"
}