ngxp.sh

#!/usr/bin/env bash

set -eu

cwd=$(cd "${0%/*}" && pwd)

test() {
    "$cwd"/test/bats/bin/bats --jobs 24 test/*.bats
}

download_icons() {
    breeze_icon_version=6.7.0
    if [ ! -d "${cwd}/icons" ]; then
        echo 'Downloading icons'
        mkdir "${cwd}/icons"
        curl -s -L "https://github.com/KDE/breeze-icons/archive/v${breeze_icon_version}.tar.gz" -o - \
            | tar -C "${cwd}/icons" -xzf - "breeze-icons-${breeze_icon_version}/icons/mimetypes/32" "breeze-icons-${breeze_icon_version}/icons/places/32" --strip-components=4
        mv "${cwd}/icons/folder-cloud.svg" "${cwd}/icons/folder.svg"
    else
        echo "Icons already downloaded at ${cwd}/icons"
    fi
}

dev() {
    user_add basic.htpasswd accessuri.map root pass /
    user_add basic.htpasswd accessuri.map sub pass /sub
    user_add basic.htpasswd accessuri.map upload pass /___ngxp/upload

    driver=docker
    if command -v podman &>/dev/null; then
        driver=podman
    fi
    "$driver" run \
        --rm -it --log-driver=none \
        --user="$(id -u):$(id -g)" \
        --userns=keep-id --cap-drop=ALL \
        --tmpfs=/tmp:rw,noexec,nosuid,size=70m \
        --expose=8080 -p 8080:8080 \
        -v "$HOME/Downloads:/home/user/downloads:ro" \
        -v "$HOME/Downloads/receive:/home/user/uploads:rw" \
        -v "${cwd}/docker_nginx.conf:/etc/nginx/nginx.conf:ro" \
        -v "${cwd}/icons:/var/www/ngxp/icons:ro" \
        -v "${cwd}/main.js:/var/www/ngxp/main.js:ro" \
        -v "${cwd}/main.css:/var/www/ngxp/main.css:ro" \
        -v "${cwd}/nginx-explorer.conf:/etc/nginx/conf.d/default.conf:ro" \
        -v "${cwd}/basic.htpasswd:/opt/ngxp/basic.htpasswd:ro" \
        -v "${cwd}/accessuri.map:/opt/ngxp/accessuri.map:ro" \
        nginx
}

servethis() {
    user_add "${cwd}"/basic.htpasswd "${cwd}"/accessuri.map lan_anon "" /

    driver=docker
    if command -v podman &>/dev/null; then
        driver=podman
    fi
    "$driver" run \
        --rm -it --log-driver=none \
        --user="$(id -u):$(id -g)" \
        --userns=keep-id --cap-drop=ALL \
        --tmpfs=/tmp:rw,noexec,nosuid,size=70m \
        --expose=8080 -p 8080:8080 \
        -v "$PWD:/home/user/downloads:ro" \
        -v "$PWD:/home/user/uploads:rw" \
        -v "${cwd}/docker_nginx.conf:/etc/nginx/nginx.conf:ro" \
        -v "${cwd}/icons:/var/www/ngxp/icons:ro" \
        -v "${cwd}/main.js:/var/www/ngxp/main.js:ro" \
        -v "${cwd}/main.css:/var/www/ngxp/main.css:ro" \
        -v "${cwd}/nginx-explorer.conf:/etc/nginx/conf.d/default.conf:ro" \
        -v "${cwd}/basic.htpasswd:/opt/ngxp/basic.htpasswd:ro" \
        -v "${cwd}/accessuri.map:/opt/ngxp/accessuri.map:ro" \
        nginx
}

upload_fixup() {
    if [ ! $# -eq 1 ]; then
        printf '%s\n' "$0 ${FUNCNAME[0]} upload_path"
        exit 1
    fi
    upload_dir=$1
    find "$upload_dir" -type f | while read -r h; do
        if [ ! -f "$h" ]; then continue; fi                              # file still exist
        read -r -n 16 head < "$h"                                        # read first 16 bytes
        if [ "$head" != "#ngxpupload_meta" ]; then continue; fi          # if marker value
        name=$(grep -v "#" "$h" | jq -r ".name" | tr "/" "_")            # extract filename
        chk_sz=$(grep -v "#" "$h" | jq -r ".chunk_size | @sh")           # extract chunk size
        chk_last_sz=$(grep -v "#" "$h" | jq -r ".chunk_last_size | @sh") # extract last chunk size
        chk_cnt=$(grep -v "#" "$h" | jq -r ".chunk_cnt | @sh")           # extract chunk count
        find "$upload_dir" -type f -size "$chk_sz"c -or -size "$chk_last_sz"c \
            | while read -r c; do
                if (( 10#${h##*/} < 10#${c##*/} )); then echo "$c"; fi;  # keep higher ids
            done \
            | sort -n | head -n "$chk_cnt" \
            | while read -r f; do
                cat "$f" >> "$name" # concatenate file
                rm -f "$f";         # remove chunk
            done
        rm -f "$h"; # remove header file
    done
}

user_add() {
    if [ ! $# -eq 5 ]; then
        printf '%s\n' "$0 ${FUNCNAME[0]} passwdfile accessfile username passsword accessuri"
        exit 1
    fi

    passwdfile=$1
    accessfile=$2
    user=$3
    pass=$4
    accessuri=$5

    passhash=$(openssl passwd -5 "$pass")
    secret=$(openssl rand -hex 64)

    touch "$passwdfile" "$accessfile"
    sed -i "/^${user}:/d" "$passwdfile"
    # basicauth line
    printf '%s:%s\n' "$user" "$passhash" >> "$passwdfile"


    sed -i "/^${user} /d" "$accessfile"
    # accessuri line
    printf '%s %s:%s:%s;\n' "$user" "$user" "$secret" "$accessuri" >> "$accessfile"
}

if [ $# -eq 0 ]; then
    compgen -A function | while read -r i; do
        printf '%s\n' "$0 $i ..."
    done
    exit 0
fi

"$@"