You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
138 lines
3.8 KiB
138 lines
3.8 KiB
#!/bin/bash
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## Send a notification with NTFY and check if the config file is complete
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if [[ "$UID" == "0" ]]; then
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NTFY_CONFIG_DIR="${NTFY_CONFIG_DIR:-/etc/ntfy}"
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else
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NTFY_CONFIG_DIR="${NTFY_CONFIG_DIR:-~/.config/ntfy}"
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fi
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NTFY_CONFIG_FILE="$NTFY_CONFIG_DIR/ntfy.conf"
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SERVER="https://ntfy.0k.io/"
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[ -f "$NTFY_CONFIG_DIR/topics.yml" ] || {
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echo "Error: no 'topics.yml' file found in $NTFY_CONFIG_DIR" >&2
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echo " Please setup the topics for the notification channels in this file." >&2
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exit 1
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}
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if ! [ -e "$NTFY_CONFIG_FILE" ]; then
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mkdir -p "${NTFY_CONFIG_FILE%/*}"
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## default option to change if needed
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echo "SERVER=$SERVER" > "$NTFY_CONFIG_FILE"
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elif ! grep -q "^SERVER=" "$NTFY_CONFIG_FILE"; then
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echo "SERVER=$SERVER" >> "$NTFY_CONFIG_FILE"
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fi
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source "$NTFY_CONFIG_FILE"
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for var in SERVER LOGIN PASSWORD; do
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if ! [ -v "$var" ]; then
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echo "Error: missing $var in $NTFY_CONFIG_FILE"
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exit 1
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fi
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done
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exname=${0##*/}
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channels=("main")
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usage="Usage: $exname [-c CHANNEL...] [-t TITLE ] MESSAGE
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----------------------------------------------
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--- Send MESSAGE with TITLE to the differents topics defined by a CHANNEL. ---
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--- If no CHANNEL is provided, the message will be sent to the default channel. ---
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----------------------------------------------
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-c CHANNEL: One or multiple channels. If no CHANNEL is provided,
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the message will be sent to the main channel.
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You can provide multiple channels with -c channel1 -c channel2 ...
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topics are configured in $NTFY_CONFIG_DIR/topics.yml
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-t TITLE: If no TITLE is provided, the message will be sent with the hostname as title.
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- MESSAGE: The message to send.
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"
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while [[ $# -gt 0 ]]; do
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arg="$1"
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shift
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case "$arg" in
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-h|--help)
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echo "$usage"
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exit 0
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;;
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-c|--channel)
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[ -n "$1" ] || {
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echo "Error: no argument for channel option." >&2
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echo "$usage" >&2
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exit 1
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}
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IFS=", " channels+=($1)
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shift
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;;
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-t|--title)
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title="$1"
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[ -z "$title" ] || {
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echo "Error: no argument for title option." >&2
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echo "$usage" >&2
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exit 1
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}
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shift
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;;
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*)
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[ -z "$message" ] && { message="$arg"; continue; }
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echo "Error : Unexpected positional argument '$arg'." >&2
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echo "$usage" >&2
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exit 1
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;;
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esac
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done
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[ -n "$message" ] || {
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echo "Error: missing message." >&2
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echo "$usage" >&2
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exit 1
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}
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read-0() {
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local eof= IFS=''
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while [ "$1" ]; do
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read -r -d '' -- "$1" || eof=1
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shift
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done
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[ -z "$eof" ]
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}
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curl_opts=(
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-s
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-u "$LOGIN:$PASSWORD"
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-d "$message"
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)
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if [ -n "$title" ]; then
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curl_opts+=(-H "Title: [$(hostname)] $title")
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fi
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declare -A sent_topic=()
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for channel in "${channels[@]}"; do
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channel_quoted=$(printf "%q" "$channel")
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while read-0 topic; do
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ttopic=$(printf "%s" "$topic" | yq "type")
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if [ "$ttopic" != '!!str' ]; then
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echo "Error: Unexpected '$ttopic' type for value of channel $channel." >&2
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exit 1
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fi
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topic=$(printf "%s" "$topic" | yq -r " \"\" + .")
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if ! [[ "$topic" =~ ^[a-zA-Z0-9\$\{\}*\ \,_.-]+$ ]]; then
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echo "Error: Invalid topic value '$topic' expression in $channel channel." >&2
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exit 1
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fi
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new_topics=($(eval echo "${topic//\*/\\*}"))
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for new_topic in "${new_topics[@]}"; do
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[ -n "${sent_topic["$new_topic"]}" ] && continue
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sent_topic["$new_topic"]=1
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echo curl "${curl_opts[@]}" "$SERVER/${new_topic}" # > /dev/null
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done
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done < <(yq -0 -r=false -e ".[\"$channel_quoted\"] | .[]" "$NTFY_CONFIG_DIR/topics.yml")
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done
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