Welcome Sidechecks.sh

Signed-off-by: hax <hax@lainlounge.xyz>

sitechecks.sh

@@ -0,0 +1,133 @@
+#!/usr/bin/env bash
+
+# Dateien
+INPUT_FILE="sites.json"
+LOG_FILE="sites.log"
+
+# Curl-Optionen
+CURL_OPTS=(
+    --silent
+    --max-time 10
+    --location
+    --max-redirs 10
+    --fail
+    --output /dev/null
+)
+
+# Telegram-Bot-Configuration
+TELEGRAM_BOT_TOKEN="${TELEGRAM_BOT_TOKEN:-<Ihr-Bot-Token>}"
+TELEGRAM_CHAT_ID="${TELEGRAM_CHAT_ID:-<Ihre-Chat-ID>}"
+
+# Function: Send Telegram-Messages
+send_telegram_message() {
+    local chat_id="$1"
+    local message="$2"
+    curl -s -X POST "https://api.telegram.org/bot${TELEGRAM_BOT_TOKEN}/sendMessage" \
+        -d chat_id="${chat_id}" \
+        -d text="$message" \
+        > /dev/null
+}
+
+# Function: Describe HTTP-Statuscode
+http_status_description() {
+    local status="$1"
+    case "$status" in
+        200) echo "OK" ;;
+        301) echo "Moved Permanently" ;;
+        302) echo "Found" ;;
+        400) echo "Bad Request" ;;
+        401) echo "Unauthorized" ;;
+        403) echo "Forbidden" ;;
+        404) echo "Not Found" ;;
+        408) echo "Request Timeout" ;;
+        429) echo "Too Many Requests" ;;
+        500) echo "Internal Server Error" ;;
+        502) echo "Bad Gateway" ;;
+        503) echo "Service Unavailable" ;;
+        504) echo "Gateway Timeout" ;;
+        *) echo "Unknown Status" ;;
+    esac
+}
+
+# Function: Check Site Status
+check_site() {
+    local site="$1"
+    curl "${CURL_OPTS[@]}" --write-out "%{http_code}" "$site" 2>/dev/null
+}
+
+# Function: Telegram-Command `/check URL` execution
+process_telegram_updates() {
+    local update_url="https://api.telegram.org/bot${TELEGRAM_BOT_TOKEN}/getUpdates"
+    local last_update_id=0
+
+    while true; do
+        # Check for Updates
+        response=$(curl -s "${update_url}?offset=${last_update_id}")
+        messages=$(echo "$response" | jq -c '.result[]')
+
+        for message in $messages; do
+            # Extract Message Details
+            update_id=$(echo "$message" | jq -r '.update_id')
+            chat_id=$(echo "$message" | jq -r '.message.chat.id')
+            text=$(echo "$message" | jq -r '.message.text')
+
+            # Command `/check URL` run
+            if [[ "$text" == /check* ]]; then
+                url=$(echo "$text" | awk '{print $2}')
+                if [[ -z "$url" ]]; then
+                    send_telegram_message "$chat_id" "❗ Fehler: Please provide a valid URL after /check."
+                else
+                    status=$(check_site "$url")
+                    description=$(http_status_description "$status")
+
+                    send_telegram_message "$chat_id" "🌐 URL: $url
+HTTP-Status: $status ($description)"
+                fi
+            fi
+
+            # Update-ID Increasing, to avoid double messages
+            last_update_id=$((update_id + 1))
+        done
+
+        # Check Intervall
+        sleep 5
+    done
+}
+
+# Function: Automatic Monitoring
+monitor_sites() {
+    local urls=$(jq -r '.urls[]' "$INPUT_FILE")
+
+    if [[ -z "$urls" ]]; then
+        echo "Error: No URL set."
+        exit 1
+    fi
+
+    for site in $urls; do
+        status=$(check_site "$site")
+        description=$(http_status_description "$status")
+
+        # Show Only The Error
+        if [[ "$status" != "200" ]]; then
+            send_telegram_message "$TELEGRAM_CHAT_ID" "❗ Website-Monitoring Error:
+🌐 URL: $site
+HTTP-Status: $status ($description)"
+        fi
+    done
+}
+
+# Hauptteil
+case "$1" in
+    listen)
+        echo "Start Telegram-Bot-Listeners..."
+        process_telegram_updates
+        ;;
+    monitor)
+        echo "Start Auto Monitoring..."
+        monitor_sites
+        ;;
+    *)
+        echo "Usage: $0 {listen|monitor}"
+        exit 1
+        ;;
+esac