Initial fleet-api skill

lib/http.sh

@@ -0,0 +1,137 @@
+#!/bin/bash
+# Minimal HTTP server using bash and socat/nc
+
+# Send HTTP response
+send_response() {
+    local status="$1"
+    local content_type="${2:-application/json}"
+    local body="$3"
+
+    local length=${#body}
+
+    printf "HTTP/1.1 %s\r\n" "$status"
+    printf "Content-Type: %s\r\n" "$content_type"
+    printf "Content-Length: %d\r\n" "$length"
+    printf "Access-Control-Allow-Origin: *\r\n"
+    printf "Access-Control-Allow-Methods: GET, POST, DELETE, OPTIONS\r\n"
+    printf "Access-Control-Allow-Headers: Content-Type\r\n"
+    printf "Connection: close\r\n"
+    printf "\r\n"
+    printf "%s" "$body"
+}
+
+send_json() {
+    send_response "$1" "application/json" "$2"
+}
+
+send_error() {
+    local status="$1"
+    local message="$2"
+    send_json "$status" "{\"error\":\"$message\"}"
+}
+
+# Handle a single HTTP request
+handle_request() {
+    local request_line=""
+    local content_length=0
+    local body=""
+
+    # Read request line
+    read -r request_line
+    request_line=$(echo "$request_line" | tr -d '\r')
+
+    # Parse method and path
+    local method=$(echo "$request_line" | cut -d' ' -f1)
+    local path=$(echo "$request_line" | cut -d' ' -f2)
+
+    # Read headers
+    while read -r header; do
+        header=$(echo "$header" | tr -d '\r')
+        [ -z "$header" ] && break
+
+        # Extract content-length
+        if echo "$header" | grep -qi "^content-length:"; then
+            content_length=$(echo "$header" | cut -d':' -f2 | tr -d ' ')
+        fi
+    done
+
+    # Read body if present
+    if [ "$content_length" -gt 0 ] 2>/dev/null; then
+        body=$(head -c "$content_length")
+    fi
+
+    # Route request
+    route_request "$method" "$path" "$body"
+}
+
+# Route requests to handlers
+route_request() {
+    local method="$1"
+    local path="$2"
+    local body="$3"
+
+    # Handle CORS preflight
+    if [ "$method" = "OPTIONS" ]; then
+        send_response "204 No Content" "text/plain" ""
+        return
+    fi
+
+    # API routes
+    case "$path" in
+        /api/machines/register)
+            if [ "$method" = "POST" ]; then
+                handle_register "$body"
+            else
+                send_error "405 Method Not Allowed" "Use POST"
+            fi
+            ;;
+        /api/machines)
+            if [ "$method" = "GET" ]; then
+                handle_list_machines
+            else
+                send_error "405 Method Not Allowed" "Use GET"
+            fi
+            ;;
+        /api/machines/*)
+            local machine_id="${path#/api/machines/}"
+            if [ "$method" = "DELETE" ]; then
+                handle_delete_machine "$machine_id"
+            elif [ "$method" = "GET" ]; then
+                handle_get_machine "$machine_id"
+            else
+                send_error "405 Method Not Allowed" "Use GET or DELETE"
+            fi
+            ;;
+        /health)
+            send_json "200 OK" '{"status":"healthy"}'
+            ;;
+        *)
+            send_error "404 Not Found" "Endpoint not found"
+            ;;
+    esac
+}
+
+# Start HTTP server
+http_server() {
+    local port="$1"
+
+    # Check for socat
+    if command -v socat &>/dev/null; then
+        echo "Using socat..."
+        while true; do
+            socat TCP-LISTEN:"$port",reuseaddr,fork EXEC:"$0 --handle-request"
+        done
+    else
+        echo "Error: socat not found. Install with: apt-get install socat"
+        exit 1
+    fi
+}
+
+# Handle --handle-request flag (called by socat)
+if [ "$1" = "--handle-request" ]; then
+    SKILL_DIR="$(dirname "$(dirname "$0")")"
+    source "$SKILL_DIR/lib/machines.sh"
+    DATA_DIR="${FLEET_DATA_DIR:-/data/fleet}"
+    export DATA_DIR
+    handle_request
+fi