Files
fleet-api/lib/http.sh
2026-02-03 00:46:23 +01:00

138 lines
3.5 KiB
Bash

#!/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