My custom bash script

chapi-scripts.sh

function lower_case() {
    echo $1 | tr '[:upper:]' '[:lower:]'
}

function upper_case() {
    echo $1 | tr '[:lower:]' '[:upper:]'
}

function encrypt_text() {
    if [ -z "$2" ]; then
        echo "Usage: encrypt_text <text> <key>"
        return 1
    fi
    echo $1 | openssl enc -aes-256-cbc -a -salt -pbkdf2 -iter 100000 -k $2
}

function decrypt_text() {
    if [ -z "$2" ]; then
        echo "Usage: decrypt_text <encrypted_text> <key>"
        return 1
    fi
    echo $1 | openssl enc -aes-256-cbc -d -a -salt -pbkdf2 -iter 100000 -k $2
}

function encrypt_file() {
    if [ -z "$2" ]; then
        echo "Usage: encrypt_file <file> <key>"
        return 1
    fi
    openssl enc -aes-256-cbc -a -salt -pbkdf2 -iter 100000 -in $1 -out $1.enc -k $2
}

function decrypt_file() {
    if [ -z "$2" ]; then
        echo "Usage: decrypt_file <encrypted_file> <key>"
        return 1
    fi
    openssl enc -aes-256-cbc -d -a -salt -pbkdf2 -iter 100000 -in $1 -out $1.dec -k $2
}



function py-server() {
    local dir $1 # default to current directory
    local port $2 # default to 8000
    if [ -z "$1" ]; then
        dir="."
        port=8000
    else
        dir=$1
        port=$2
    fi

    python3 -m http.server $port -d $dir
}

function py-env() {
    local pyver $1 # default to 3.10
    if [ -z "$1" ]; then
        pyver=python3
    else
        pyver=$1
    fi

    virtualenv -p $pyver venv
    source venv/bin/activate
}


function sub-find() {
    subfinder -d $1 --silent | ~/go/bin/httpx -silent -status-code -title -tech-detect
}

function generate_password() {
    local length=$1
    openssl rand -base64 $((length*3/4)) | head -c $length | tr -d /=+
    echo ""
}


alias myip='curl http://ipecho.net/plain; echo'
alias df-h='df -h'
alias dirsize='du -sh'

# Git shortcuts
alias gs='git status'
alias ga='git add'
alias gc='git commit'
alias gp='git push'
alias gl='git pull'

# Python shortcuts
alias py='python3'
alias py3='python3'


# AWS shortcuts
alias aws-s3-ls='aws s3 ls'

# pen test shortcuts
alias nmap='nmap -sS -sV -Pn'

# replace cat for bat
alias cat=bat