ufw-tools/ufw

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#!/usr/bin/bash
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# Copyright (c) 2012 fbt <fbt@fleshless.org>
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# License: ISC
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#
# About:
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# A simple upload script for UFW (http://zerofiles.org)
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_cat() {
while read; do
printf '%s\n' "$REPLY"
done
}
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is_url() {
[[ "$1" =~ $cfg_url_regex ]]
}
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msg() { printf '%s\n' "[ufw] $1"; }
err() { msg "(error) $1" >&2; }
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usage() {
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_cat <<- EOF
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Usage: ufw [-RsF] [-D num] [file/url]"
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Flags:
-R|--remove-file # Remove the file after uploading.
-s|--screenshot # Make a screenshot and upload it instead of a file.
-F|--fullscreen # Make a fullscreen shot instead of prompting for a window/area. Implies -s.
-d|--description # Supply a description.
-D|--screenshot-delay <num> # Delay the shot by <num> seconds.
-p|--public # Make the file public.
-u|--short # Generate a shortlink from URL.
-m|--max-filesize # Maximum filesize (takes K, M and G suffixes).
-a|--album-id # Add the file to an album.
-A|--album-name # Add the file to an album by name. The album will be crated, if necessary.
-M|--api-format # API response format.
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Config options (~/.config/ufw):
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secret # Your personal token. Get it at https://zfh.so/settings_form
cfg_screenshot_ext # Screenshot file type, used by scrot.
cfg_max_filesize # Maximum filesize (takes K, M and G suffixes).
cfg_api_format # Set the api response format. Supports json or plain (default).
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# Others are self-explanatory:
cfg_url_regex
cfg_tmp_dir
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cfg_service_url
cfg_api_path
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EOF
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}
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ensure_env() {
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for i in "$cfg_tmp_dir"; do
[[ -d "$i" ]] || { mkdir -p "$i"; }
done
}
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get_file_hash() {
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read file_hash _ < <( sha1sum "$1" )
}
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get_max_filesize() {
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if [[ $cfg_max_filesize =~ ^[0-9]+[BKMG]?$ ]]; then
max_filesize_base="${cfg_max_filesize//[BKMG]/}"
case "$cfg_max_filesize" in
*K) max_filesize_bytes=$(( max_filesize_base * 1024 ));;
*M) max_filesize_bytes=$(( max_filesize_base * 1024 * 1024 ));;
*G) max_filesize_bytes=$(( max_filesize_base * 1024 * 1024 * 1024 ));;
*) max_filesize_bytes=$max_filesize_base;;
esac
else
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err "Wrong cfg_max_filesize: $cfg_max_filesize"
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return 1
fi
}
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upload() {
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if (( flag_scrot )); then
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flag_rm=1
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file=$(take_screenshot) || { return 1; }
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else
(( $# )) || {
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usage
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return 1
}
target="$1"
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if is_url "$target"; then
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flag_rm=1
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file=$(_mktemp "$cfg_tmp_dir")
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get_max_filesize || { return 1; }
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curl --max-filesize "$max_filesize_bytes" -skL "$target" > "$file"
curl_result=$?
if (( curl_result )); then
case "$curl_result" in
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63) err "File exceeds cfg_max_filesize";;
*) err "Could not download file.";;
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esac
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return 1
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fi
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else
file="$target"
[[ -f "$file" ]] || {
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err "No such file: ${file}"
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return 1
}
fi
fi
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get_file_hash "$file"
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if [[ "$album_name" ]]; then
if album_id=$( curl -fsL "$cfg_service_url/$cfg_api_path/album?a=new&name=$album_name&format=plain&secret=$secret" ); then
misc_curl_args+=( -F album_id="$album_id" )
else
return 1
fi
fi
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curl -sL \
-F file="@$file" \
-F api_format="$cfg_api_format" \
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-F flag_private="$flag_private" \
-F short="$flag_shortlink" \
-F secret="$secret" \
-F submit="" \
"${misc_curl_args[@]}" \
-A 'zerofiles.org upload script' \
"$cfg_service_url/$cfg_api_path/upload"
if (( $? )); then
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err 'Something has gone wrong with the upload.'
return 7
else
if (( flag_rm )); then
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msg "Removing file: $file"
rm "$file"
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fi
fi
}
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get_shortlink() {
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declare url=$1
if ! curl -fsL "$cfg_service_url/api?mode=url_add&url=${url}&raw=1"; then
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err 'Something went wrong!'
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fi
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}
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take_screenshot() {
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declare tmp_file
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[[ "$scrot_exec" ]] || { scrot_exec=$(type -P scrot); }
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[[ "$scrot_exec" ]] || {
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err "Please install scrot to use this function"
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return 1
}
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(( "$flag_scrot_fullscreen" )) || { scrot_args+=( '-s' ); }
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[[ "$cfg_scrot_delay" ]] && { scrot_args+=( "-d $cfg_scrot_delay" ); }
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tmp_file="$(_mktemp "${cfg_tmp_dir}" ".${cfg_screenshot_ext}")"
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scrot "${scrot_args[@]}" "$tmp_file" || {
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err "Failed to take a screenshot."
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return 1
}
printf '%s\n' "$tmp_file"
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}
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_mktemp() {
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declare tmp_file_name tmp_file_name_extra="$2" tmp_dir="$1"
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[[ -d "$tmp_dir" ]] || {
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err "${tmp_dir} does not exist or is not a directory."
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return 1
}
until [[ ! -e "${tmp_dir}/${tmp_file_name}" ]]; do
tmp_file_name="${RANDOM}${RANDOM}${tmp_file_name_extra}"
done
printf '%s\n' "${tmp_dir}/${tmp_file_name}"
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}
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get_my_ip() {
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my_ip=$( curl -fsL https://zfh.so/ip )
if ! (( $? )); then
printf '%s\n' $my_ip
fi
}
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set_argv() {
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declare arg opt c
declare -g argv
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while (( $# )); do
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unset -v arg opt c
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case "$1" in
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(--) argv+=( "$1" ); break;;
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(--*)
IFS='=' read arg opt <<< "$1"
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argv+=( "$arg" )
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[[ "$opt" ]] && {
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argv+=( "$opt" )
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}
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;;
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(-*)
while read -n1 c
do
case "$c" in
-|'') :;;
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*) argv+=( "-$c" );;
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esac
done <<< "$1"
;;
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(*) argv+=( "$1" );;
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esac
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shift
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done
}
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main() {
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declare args file target flag_private flag_rm flag_scrot flag_scrot_fullscreen cfg_scrot_delay
declare flag_shortlink=0
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# Defaults for XDG
if ! [[ "$XDG_RUNTIME_DIR" ]]; then
XDG_RUNTIME_DIR="/run/user/$UID"
fi
if ! [[ "$XDG_CONFIG_DIR" ]]; then
XDG_CONFIG_DIR="$HOME/.config"
fi
cfg_url_regex='^[A-Za-z]([A-Za-z0-9+.-]+)?://.+'
cfg_tmp_dir="$XDG_RUNTIME_DIR/ufw"; TEMPDIR="$cfg_tmp_dir"
cfg_service_url='https://8fw.me'
cfg_screenshot_ext='png'
cfg_max_filesize='200M'
cfg_api_format='plain'
cfg_api_path='/api/2'
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if [[ -f "$HOME/.suprc" ]]; then
printf 'Found legacy configfile, moving...\n' >&2
mv "$HOME/.suprc" "$XDG_CONFIG_DIR/ufw"
fi
if [[ -f "$XDG_CONFIG_DIR/ufw" ]]; then
if ! source "$XDG_CONFIG_DIR/ufw"; then
printf 'Failed to source configuration file: %s\n' "$XDG_CONFIG_DIR/ufw"
return $?
fi
fi
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while [[ "$1" ]]; do
case "$1" in
-p|--public) flag_private='false';;
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-R|--remove-file) flag_rm='1';;
-s|--screenshot) flag_scrot='1';;
-D|--screenshot-delay) cfg_scrot_delay="$2"; shift;;
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-F|--fullscreen)
flag_scrot='1'
flag_scrot_fullscreen='1'
;;
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-m|--max-filesize) cfg_max_filesize=$2; shift;;
-M|--api-format) cfg_api_format=$2; shift;;
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-i|--my-ip) action='getmyip';;
-S|--short) flag_shortlink='1';;
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-u|--url) action='url';;
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-a|--album-id)
misc_curl_args+=( -F "album_id=$2" )
shift
;;
-A|--album-name) album_name=$2; shift;;
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-d|--description)
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misc_curl_args+=( -F "description=$2" )
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shift
;;
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-h|--help|--usage) usage; return;;
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--) shift; break;;
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*) break;;
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esac
shift
done
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ensure_env
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case "${action:-upload}" in
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upload) upload "$1";;
url) get_shortlink "$1";;
getmyip) get_my_ip;;
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esac
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}
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set_argv "$@"
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main "${argv[@]}"