add whisper

whisper/example.env

@@ -0,0 +1,2 @@
+TELEGRAM_BOT_TOKEN=
+TELEGRAM_CHAT_ID=

whisper/install.sh

@@ -0,0 +1,89 @@
+#!/bin/sh
+set -e
+
+BIN_SRC="./whisper"
+BIN_DST="/usr/bin/whisper"
+CONF_DIR="/etc/whisper"
+CONF_DST="$CONF_DIR/.env"
+CONF_SRC="./example.env"
+
+die() {
+    printf '%s\n' "$1" >&2
+    exit 1
+}
+
+usage() {
+    printf 'Usage: install.sh [-i|--install] [-u|--uninstall] [-h|--help]\n'
+    printf '  -i, --install    Install whisper (default)\n'
+    printf '  -u, --uninstall  Remove whisper\n'
+    printf '  -h, --help       Show this help\n'
+    exit 0
+}
+
+do_install() {
+    printf 'This will:\n'
+    printf '  - Copy whisper to %s\n' "$BIN_DST"
+    printf '  - Create %s/ with config\n\n' "$CONF_DIR"
+
+    printf 'Proceed? [Y/n] '
+    read -r answer
+    case "$answer" in
+        [nN]) printf 'Aborted.\n'; exit 0 ;;
+    esac
+
+    [ -f "$BIN_SRC" ] || die "Cannot find $BIN_SRC in current directory"
+    [ -f "$CONF_SRC" ] || die "Cannot find $CONF_SRC in current directory"
+
+    cp "$BIN_SRC" "$BIN_DST"
+    chown root:root "$BIN_DST"
+    chmod 755 "$BIN_DST"
+
+    mkdir -p "$CONF_DIR"
+
+    if [ ! -f "$CONF_DST" ]; then
+        cp "$CONF_SRC" "$CONF_DST"
+    else
+        printf 'Keeping existing %s\n' "$CONF_DST"
+    fi
+
+    chown root:root "$CONF_DST"
+    chmod 600 "$CONF_DST"
+
+    printf '\nInstalled. Edit %s and set your values.\n' "$CONF_DST"
+}
+
+do_uninstall() {
+    printf 'This will remove:\n'
+    printf '  - %s\n' "$BIN_DST"
+    printf '  - %s/\n\n' "$CONF_DIR"
+
+    printf 'Proceed? [y/N] '
+    read -r answer
+    case "$answer" in
+        [yY]) ;;
+        *)    printf 'Aborted.\n'; exit 0 ;;
+    esac
+
+    rm -f "$BIN_DST"
+    rm -rf "$CONF_DIR"
+
+    printf 'Done.\n'
+}
+
+# --- main ---
+[ "$(id -u)" -eq 0 ] || die "Must be run as root"
+
+ACTION="install"
+while [ $# -gt 0 ]; do
+    case "$1" in
+        -i|--install)   ACTION="install";   shift ;;
+        -u|--uninstall) ACTION="uninstall"; shift ;;
+        -h|--help)      usage ;;
+        *)              die "Unknown option: $1" ;;
+    esac
+done
+
+case "$ACTION" in
+    install)   do_install ;;
+    uninstall) do_uninstall ;;
+esac

whisper/test.sh

@@ -0,0 +1,16 @@
+#!/bin/sh
+# manual smoke tests for whisper via telegram
+
+SCRIPT_DIR=$(cd "$(dirname "$0")" && pwd)
+
+echo '--- test 1: plain text ---\n'
+"$SCRIPT_DIR/whisper" -t telegram -m "Hello from whisper test" || true
+
+echo '\n--- test 2: HTML formatting ---\n'
+"$SCRIPT_DIR/whisper" -t telegram -m "<b>bold</b> <i>italic</i> <code>code</code>" || true
+
+echo '\n--- test 3: multiline ---\n'
+MSG=$(printf 'Line one\nLine two\nLine three')
+"$SCRIPT_DIR/whisper" -t telegram -m "$MSG" || true
+
+echo '\nAll tests done.\n'

whisper/whisper

@@ -0,0 +1,82 @@
+#!/bin/sh
+# whisper - send messages via transport (telegram)
+set -e
+
+die() {
+    printf 'whisper: %s\n' "$1" >&2
+    exit "${2:-1}"
+}
+
+usage() {
+    printf 'Usage: whisper -m MESSAGE [-t TRANSPORT]\n\n'
+    printf '  -m, --message    Message to send (required)\n'
+    printf '  -t, --transport  Transport to use (default: telegram)\n'
+    printf '  -h, --help       Show this help\n'
+    exit 0
+}
+
+# --- config loading ---
+# source .env files if they exist (later file wins, env vars win over both)
+SCRIPT_DIR=$(cd "$(dirname "$0")" && pwd)
+for _envfile in /etc/whisper/.env "$SCRIPT_DIR/.env"; do
+    [ -f "$_envfile" ] && . "$_envfile"
+done
+unset _envfile
+
+# --- dependency check ---
+command -v curl >/dev/null 2>&1 || die "curl is required but not found" 1
+
+# --- arg parsing ---
+TRANSPORT="telegram"
+MESSAGE=""
+
+while [ $# -gt 0 ]; do
+    case "$1" in
+        -m|--message)
+            [ -n "${2+x}" ] || die "missing value for $1" 1
+            MESSAGE="$2"; shift 2 ;;
+        -t|--transport)
+            [ -n "${2+x}" ] || die "missing value for $1" 1
+            TRANSPORT="$2"; shift 2 ;;
+        -h|--help)
+            usage ;;
+        *)
+            die "unknown option: $1" 1 ;;
+    esac
+done
+
+[ -n "$MESSAGE" ] || die "message is required (-m)" 1
+
+# --- env validation ---
+validate_telegram_env() {
+    [ -n "$TELEGRAM_BOT_TOKEN" ] || die "TELEGRAM_BOT_TOKEN is not set" 1
+    [ -n "$TELEGRAM_CHAT_ID" ]   || die "TELEGRAM_CHAT_ID is not set" 1
+}
+
+# --- transports ---
+send_telegram() {
+    validate_telegram_env
+    local url="https://api.telegram.org/bot${TELEGRAM_BOT_TOKEN}/sendMessage"
+
+    local response
+    response=$(curl -s -X POST "$url" \
+        -d chat_id="$TELEGRAM_CHAT_ID" \
+        --data-urlencode text="$MESSAGE" \
+        -d parse_mode="HTML")
+
+    if echo "$response" | grep -q '"ok":true'; then
+        printf 'whisper: message sent\n' >&2
+        return 0
+    else
+        local err
+        err=$(echo "$response" | sed -n 's/.*"description":"\([^"]*\)".*/\1/p')
+        printf 'whisper: send failed: %s\n' "${err:-unknown error}" >&2
+        exit 2
+    fi
+}
+
+# --- dispatch ---
+case "$TRANSPORT" in
+    telegram) send_telegram ;;
+    *)        die "unknown transport: $TRANSPORT" 1 ;;
+esac