Class: Relintio::Agent

Inherits:
Object
  • Object
show all
Defined in:
lib/relintio-agent.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(config = {}) ⇒ Agent

Returns a new instance of Agent.



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# File 'lib/relintio-agent.rb', line 10

def initialize(config = {})
  @config = {
    license_key: config[:license_key],
    api_url: config[:api_url] || "https://api.relintio.com/api",
    sync_interval: config[:sync_interval] || 60
  }
  @rules = []
  @rules_mutex = Mutex.new
  @client = Net::HTTP
end

Instance Attribute Details

#config ⇒ Object (readonly)

Returns the value of attribute config.



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# File 'lib/relintio-agent.rb', line 8

def config
  @config
end

#rules ⇒ Object (readonly)

Returns the value of attribute rules.



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# File 'lib/relintio-agent.rb', line 8

def rules
  @rules
end

Instance Method Details

#check_request(request) ⇒ Object 



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# File 'lib/relintio-agent.rb', line 53

def check_request(request)
  @rules_mutex.synchronize do
    ip = request.ip
    user_agent = request.user_agent || ""
    path = request.path_info

    score = 0
    action = "allow"

    @rules.each do |rule|
      matched = false
      case rule['type']
      when 'ip'
        matched = match_value(ip, rule['pattern'], rule['condition'])
      when 'user_agent'
        matched = match_value(user_agent, rule['pattern'], rule['condition'])
      when 'path'
        matched = match_value(path, rule['pattern'], rule['condition'])
      end

      if matched
        score += (rule['score'] || 0)
        if rule['action'] == "block"
          action = "block"
        elsif rule['action'] == "challenge" && action != "block"
          action = "challenge"
        end
      end
    end

    if score >= 100
      action = "block"
    elsif score >= 50 && action != "block"
      action = "challenge"
    end

    { score: score, action: action }
  end
end

#send_telemetry(request, result) ⇒ Object 



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# File 'lib/relintio-agent.rb', line 93

def send_telemetry(request, result)
  Thread.new do
    begin
      uri = URI.parse("#{@config[:api_url].chomp('/')}/telemetry/log")
      req = Net::HTTP::Post.new(uri)
      req['Authorization'] = "Bearer #{@config[:license_key]}"
      req['Content-Type'] = 'application/json'

      payload = {
        ip: request.ip,
        user_agent: request.user_agent || "",
        path: request.path_info,
        score: result[:score],
        action: result[:action],
        timestamp: Time.now.to_i
      }

      req.body = payload.to_json

      http = Net::HTTP.new(uri.host, uri.port)
      http.use_ssl = (uri.scheme == 'https')
      http.read_timeout = 10
      http.request(req)
    rescue
      # Fail-open
    end
  end
end

#start_sync ⇒ Object 



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# File 'lib/relintio-agent.rb', line 21

def start_sync
  Thread.new do
    loop do
      sync_rules
      sleep @config[:sync_interval]
    end
  end
end

#sync_rules ⇒ Object 



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# File 'lib/relintio-agent.rb', line 30

def sync_rules
  begin
    uri = URI.parse("#{@config[:api_url].chomp('/')}/rules/sync")
    req = Net::HTTP::Get.new(uri)
    req['Authorization'] = "Bearer #{@config[:license_key]}"
    req['Content-Type'] = 'application/json'

    http = Net::HTTP.new(uri.host, uri.port)
    http.use_ssl = (uri.scheme == 'https')
    http.read_timeout = 10

    res = http.request(req)
    if res.code == '200'
      data = JSON.parse(res.body)
      @rules_mutex.synchronize do
        @rules = data['rules'] || []
      end
    end
  rescue => e
    # Fail-open: ignore errors during sync
  end
end