Class: Nexpose::Site

Inherits:
Object
  • Object
show all
Includes:
Sanitize
Defined in:
lib/nexpose/site.rb

Overview

Configuration object representing a Nexpose site.

For a basic walk-through, see https://github.com/rapid7/nexpose-client/wiki/Using-Sites

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Methods included from Sanitize

#replace_entities

Constructor Details

#initialize(name = nil, scan_template = 'full-audit-without-web-spider') ⇒ Site

Site constructor. Both arguments are optional.

Parameters:

  • name (String) (defaults to: nil) —

    Unique name of the site.

  • scan_template (String) (defaults to: 'full-audit-without-web-spider') —

    ID of the scan template to use.



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# File 'lib/nexpose/site.rb', line 143

def initialize(name = nil, scan_template = 'full-audit-without-web-spider')
  @name = name
  @scan_template = scan_template

  @id = -1
  @risk_factor = 1.0
  @config_version = 3
  @is_dynamic = false
  @assets = []
  @schedules = []
  @credentials = []
  @alerts = []
  @exclude = []
  @users = []
  @tags = []
end

Instance Attribute Details

#alerts ⇒ Object

Array

Collection of real-time alerts.

See Also:



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# File 'lib/nexpose/site.rb', line 114

def alerts
  @alerts
end

#assets ⇒ Object

Array

Collection of assets. May be IPv4, IPv6, or DNS names.

See Also:



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# File 'lib/nexpose/site.rb', line 84

def assets
  @assets
end

#config_version ⇒ Object

Configuration version. Default: 3



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# File 'lib/nexpose/site.rb', line 124

def config_version
  @config_version
end

#credentials ⇒ Object

Array

Collection of credentials associated with this site. Does not

include shared credentials.



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# File 'lib/nexpose/site.rb', line 107

def credentials
  @credentials
end

#criteria ⇒ Object

Asset filter criteria if this site is dynamic.



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# File 'lib/nexpose/site.rb', line 131

def criteria
  @criteria
end

#description ⇒ Object

Description of the site.



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# File 'lib/nexpose/site.rb', line 79

def description
  @description
end

#discovery_connection_id ⇒ Object

ID of the discovery connection associated with this site if it is dynamic.



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# File 'lib/nexpose/site.rb', line 134

def discovery_connection_id
  @discovery_connection_id
end

#engine ⇒ Object

Scan Engine to use. Will use the default engine if nil or -1.



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# File 'lib/nexpose/site.rb', line 97

def engine
  @engine
end

#exclude ⇒ Object

Array

Collection of excluded assets. May be IPv4, IPv6, or DNS names.



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# File 'lib/nexpose/site.rb', line 87

def exclude
  @exclude
end

#id ⇒ Object

The site ID. An ID of -1 is used to designate a site that has not been saved to a Nexpose console.



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# File 'lib/nexpose/site.rb', line 73

def id
  @id
end

#is_dynamic ⇒ Object

Whether or not this site is dynamic. Dynamic sites are created through Asset Discovery Connections.



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# File 'lib/nexpose/site.rb', line 128

def is_dynamic
  @is_dynamic
end

#name ⇒ Object

Unique name of the site. Required.



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# File 'lib/nexpose/site.rb', line 76

def name
  @name
end

#organization ⇒ Object

Information about the organization that this site belongs to. Used by some reports.



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# File 'lib/nexpose/site.rb', line 118

def organization
  @organization
end

#risk_factor ⇒ Object

The risk factor associated with this site. Default: 1.0



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# File 'lib/nexpose/site.rb', line 103

def risk_factor
  @risk_factor
end

#scan_template ⇒ Object

Scan template to use when starting a scan job. Default: full-audit



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# File 'lib/nexpose/site.rb', line 90

def scan_template
  @scan_template
end

#scan_template_name ⇒ Object

Friendly name of scan template to use when starting a scan job. Value is populated when a site is saved or loaded from a console.



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# File 'lib/nexpose/site.rb', line 94

def scan_template_name
  @scan_template_name
end

#schedules ⇒ Object

Array

Schedule starting dates and times for scans, and set their frequency.



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# File 'lib/nexpose/site.rb', line 100

def schedules
  @schedules
end

#tags ⇒ Object

Array

Collection of TagSummary



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# File 'lib/nexpose/site.rb', line 137

def tags
  @tags
end

#users ⇒ Object

Array

List of user IDs for users who have access to the site.



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# File 'lib/nexpose/site.rb', line 121

def users
  @users
end

Class Method Details

.copy(connection, id) ⇒ Site

Copy an existing configuration from a Nexpose instance. Returned object will reset the site ID and append “Copy” to the existing name.

Parameters:

  • connection (Connection) —

    Connection to the security console.

  • id (Fixnum) —

    Site ID of an existing site.

Returns:

  • (Site) —

    Site configuration loaded from a Nexpose console.



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# File 'lib/nexpose/site.rb', line 265

def self.copy(connection, id)
  site = self.load(connection, id)
  site.id = -1
  site.name = "#{site.name} Copy"
  site
end

.load(connection, id) ⇒ Site

Load an existing configuration from a Nexpose instance.

Parameters:

  • connection (Connection) —

    Connection to console where site exists.

  • id (Fixnum) —

    Site ID of an existing site.

Returns:

  • (Site) —

    Site configuration loaded from a Nexpose console.



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# File 'lib/nexpose/site.rb', line 249

def self.load(connection, id)
  r = APIRequest.execute(connection.url,
                         %(<SiteConfigRequest session-id="#{connection.session_id}" site-id="#{id}"/>))
  site = parse(r.res)
  site.load_dynamic_attributes(connection) if site.dynamic?
  site
end

.parse(rexml) ⇒ Site

Parse a response from a Nexpose console into a valid Site object.

Parameters:

  • rexml (REXML::Document) —

    XML document to parse.

Returns:

  • (Site) —

    Site object represented by the XML. ## TODO What is returned on failure?



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# File 'lib/nexpose/site.rb', line 451

def self.parse(rexml)
  rexml.elements.each('//Site') do |s|
    site = Site.new(s.attributes['name'])
    site.id = s.attributes['id'].to_i
    site.description = s.attributes['description']
    site.risk_factor = s.attributes['riskfactor'] || 1.0
    site.is_dynamic = true if s.attributes['isDynamic'] == '1'

    s.elements.each('Description') do |desc|
      site.description = desc.text
    end

    s.elements.each('Users/user') do |user|
      site.users << user.attributes['id'].to_i
    end

    s.elements.each('Organization') do |org|
      site.organization = Organization.parse(org)
    end

    s.elements.each('Hosts/range') do |r|
      site.assets << IPRange.new(r.attributes['from'], r.attributes['to'])
    end
    s.elements.each('Hosts/host') do |host|
      site.assets << HostName.new(host.text)
    end

    s.elements.each('ExcludedHosts/range') do |r|
      site.exclude << IPRange.new(r.attributes['from'], r.attributes['to'])
    end
    s.elements.each('ExcludedHosts/host') do |host|
      site.exclude << HostName.new(host.text)
    end

    s.elements.each('Credentials/adminCredentials') do |cred|
      site.credentials << Credential.parse(cred)
    end

    s.elements.each('ScanConfig') do |scan_config|
      site.scan_template_name = scan_config.attributes['name']
      site.scan_template = scan_config.attributes['templateID']
      site.config_version = scan_config.attributes['configVersion'].to_i
      site.engine = scan_config.attributes['engineID'].to_i
      scan_config.elements.each('Schedules/Schedule') do |schedule|
        site.schedules << Schedule.parse(schedule)
      end
    end

    s.elements.each('Alerting/Alert') do |alert|
      site.alerts << Alert.parse(alert)
    end

    s.elements.each('Tags/Tag') do |tag|
      site.tags << TagSummary.parse_xml(tag)
    end

    return site
  end
  nil
end

Instance Method Details

#_append_shared_creds_to_xml(connection, xml) ⇒ Object 



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# File 'lib/nexpose/site.rb', line 512

def _append_shared_creds_to_xml(connection, xml)
  xml_w_creds = AJAX.get(connection, "/data/site/config?siteid=#{@id}")
  cred_xml = REXML::XPath.first(REXML::Document.new(xml_w_creds), 'Site/Credentials')
  unless cred_xml.nil?
    creds = REXML::XPath.first(xml, 'Credentials')
    if creds.nil?
      xml.add_element(cred_xml)
    else
      cred_xml.elements.each do |cred|
        if cred.attributes['shared'].to_i == 1
          creds.add_element(cred)
        end
      end
    end
  end
  xml
end

#add_asset(asset) ⇒ Object

Adds an asset to this site, resolving whether an IP or hostname is provided.

Parameters:

  • asset (String) —

    Identifier of an asset, either IP or host name.



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# File 'lib/nexpose/site.rb', line 219

def add_asset(asset)
  obj = HostOrIP.convert(asset)
  @assets << obj
end

#add_host(hostname) ⇒ Object

Adds an asset to this site by host name.

Parameters:

  • hostname (String) —

    FQDN or DNS-resolvable host name of an asset.



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# File 'lib/nexpose/site.rb', line 173

def add_host(hostname)
  @assets << HostName.new(hostname)
end

#add_ip(ip) ⇒ Object

Adds an asset to this site by IP address.

Parameters:

  • ip (String) —

    IP address of an asset.



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# File 'lib/nexpose/site.rb', line 187

def add_ip(ip)
  @assets << IPRange.new(ip)
end

#add_ip_range(from, to) ⇒ Object

Adds assets to this site by IP address range.

Parameters:

  • from (String) —

    Beginning IP address of a range.

  • to (String) —

    Ending IP address of a range.



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# File 'lib/nexpose/site.rb', line 202

def add_ip_range(from, to)
  @assets << IPRange.new(from, to)
end

#as_xml ⇒ String

Generate an XML representation of this site configuration

Returns:

  • (String) —

    XML valid for submission as part of other requests.



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# File 'lib/nexpose/site.rb', line 378

def as_xml
  xml = REXML::Element.new('Site')
  xml.attributes['id'] = @id
  xml.attributes['name'] = @name
  xml.attributes['description'] = @description
  xml.attributes['riskfactor'] = @risk_factor
  xml.attributes['isDynamic'] = '1' if dynamic?
  # TODO This should be set to 'Amazon Web Services' for AWS.
  xml.attributes['dynamicConfigType'] = 'vSphere' if dynamic?

  if @description && !@description.empty?
    elem = REXML::Element.new('Description')
    elem.add_text(@description)
    xml.add_element(elem)
  end

  unless @users.empty?
    elem = REXML::Element.new('Users')
    @users.each { |user| elem.add_element('user', { 'id' => user }) }
    xml.add_element(elem)
  end

  xml.add_element(@organization.as_xml) if @organization

  elem = REXML::Element.new('Hosts')
  @assets.each { |a| elem.add_element(a.as_xml) }
  xml.add_element(elem)

  elem = REXML::Element.new('ExcludedHosts')
  @exclude.each { |e| elem.add_element(e.as_xml) }
  xml.add_element(elem)

  unless credentials.empty?
    elem = REXML::Element.new('Credentials')
    @credentials.each { |c| elem.add_element(c.as_xml) }
    xml.add_element(elem)
  end

  unless alerts.empty?
    elem = REXML::Element.new('Alerting')
    alerts.each { |a| elem.add_element(a.as_xml) }
    xml.add_element(elem)
  end

  elem = REXML::Element.new('ScanConfig')
  elem.add_attributes({ 'configID' => @id,
                        'name' => @scan_template_name || @scan_template,
                        'templateID' => @scan_template,
                        'configVersion' => @config_version || 3,
                        'engineID' => @engine })
  sched = REXML::Element.new('Schedules')
  @schedules.each { |s| sched.add_element(s.as_xml) }
  elem.add_element(sched)
  xml.add_element(elem)

  unless tags.empty?
    tag_xml = xml.add_element(REXML::Element.new('Tags'))
    @tags.each { |tag| tag_xml.add_element(tag.as_xml) }
  end

  xml
end

#delete(connection) ⇒ Boolean

Delete this site from a Nexpose console.

Parameters:

  • connection (Connection) —

    Connection to console where this site will be saved.

Returns:

  • (Boolean) —

    Whether or not the site was successfully deleted.



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# File 'lib/nexpose/site.rb', line 305

def delete(connection)
  r = connection.execute(%(<SiteDeleteRequest session-id="#{connection.session_id}" site-id="#{@id}"/>))
  r.success
end

#dynamic? ⇒ Boolean

Returns true when the site is dynamic.

Returns:

  • (Boolean) 


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# File 'lib/nexpose/site.rb', line 161

def dynamic?
  is_dynamic
end

#load_dynamic_attributes(nsc) ⇒ Criteria

Retrieve the currrent filter criteria used by a dynamic site.

Parameters:

  • nsc (Connection) —

    Connection to a console.

  • site_id (Fixnum) —

    ID of an existing site.

Returns:

  • (Criteria) —

    Current criteria for the site.



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# File 'lib/nexpose/site.rb', line 365

def load_dynamic_attributes(nsc)
  response = AJAX.get(nsc, "/data/site/loadDynamicSite?entityid=#{@id}")
  json = JSON.parse(response)
  @discovery_connection_id = json['discoveryConfigs']['id']
  @criteria = Criteria.parse(json['searchCriteria'])
end

#remove_asset(asset) ⇒ Object

Remove an asset to this site, resolving whether an IP or hostname is provided.

Parameters:

  • asset (String) —

    Identifier of an asset, either IP or host name.



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# File 'lib/nexpose/site.rb', line 229

def remove_asset(asset)
  begin
    # If the asset registers as a valid IP, store as IP.
    ip = IPAddr.new(asset)
    remove_ip(asset)
  rescue ArgumentError => e
    if e.message == 'invalid address'
      remove_host(asset)
    else
      raise "Unable to parse asset: '#{asset}'. #{e.message}"
    end
  end
end

#remove_host(hostname) ⇒ Object

Remove an asset to this site by host name.

Parameters:

  • hostname (String) —

    FQDN or DNS-resolvable host name of an asset.



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# File 'lib/nexpose/site.rb', line 180

def remove_host(hostname)
  @assets = assets.reject { |asset| asset == HostName.new(hostname) } 
end

#remove_ip(ip) ⇒ Object

Remove an asset to this site by IP address.

Parameters:

  • ip (String) —

    IP address of an asset.



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# File 'lib/nexpose/site.rb', line 194

def remove_ip(ip)
  @assets = assets.reject { |asset| asset == IPRange.new(ip) }
end

#remove_ip_range(from, to) ⇒ Object

Remove assets to this site by IP address range.

Parameters:

  • from (String) —

    Beginning IP address of a range.

  • to (String) —

    Ending IP address of a range.



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# File 'lib/nexpose/site.rb', line 210

def remove_ip_range(from, to)
  @assets = assets.reject { |asset| asset == IPRange.new(from, to) }
end

#save(connection) ⇒ Fixnum

Saves this site to a Nexpose console. If the site is dynamic, connection and asset filter changes must be saved through the DiscoveryConnection#update_site call.

Parameters:

  • connection (Connection) —

    Connection to console where this site will be saved.

Returns:

  • (Fixnum) —

    Site ID assigned to this configuration, if successful.



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# File 'lib/nexpose/site.rb', line 279

def save(connection)
  if dynamic?
    raise APIError.new(nil, 'Cannot save a dynamic site without a discovery connection configured.') unless @discovery_connection_id

    new_site = @id == -1
    save_dynamic_criteria(connection) if new_site

    # Have to retrieve and attach shared creds, or saving will fail.
    xml = _append_shared_creds_to_xml(connection, as_xml)
    response = AJAX.post(connection, '/data/site/config', xml)
    saved = REXML::XPath.first(REXML::Document.new(response), 'ajaxResponse')
    raise APIError.new(response, 'Failed to save dynamic site.') if saved.nil? || saved.attributes['success'].to_i != 1

    save_dynamic_criteria(connection) unless new_site
  else
    r = connection.execute('<SiteSaveRequest session-id="' + connection.session_id + '">' + to_xml + ' </SiteSaveRequest>')
    @id = r.attributes['site-id'].to_i if r.success
  end
  @id
end

#save_dynamic_criteria(nsc) ⇒ Fixnum

Save only the criteria of a dynamic site.

Parameters:

Returns:

  • (Fixnum) —

    Site ID.



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# File 'lib/nexpose/site.rb', line 331

def save_dynamic_criteria(nsc)
  # Several parameters are passed through the URI
  params = { 'configID' => @discovery_connection_id,
             'entityid' => @id > 0 ? @id : false,
             'mode' => @id > 0 ? 'edit' : false }
  uri = AJAX.parameterize_uri('/data/site/saveSite', params)

  # JSON body of POST request contains details.
  details = { 'dynamic' => true,
              'name' => @name,
              'tag' => @description.nil? ? '' : @description,
              'riskFactor' => @risk_factor,
              # 'vCenter' => @discovery_connection_id,
              'searchCriteria' => @criteria.nil? ? { 'operator' => 'AND' } : @criteria.to_map }
  json = JSON.generate(details)

  response = AJAX.post(nsc, uri, json, AJAX::CONTENT_TYPE::JSON)
  json = JSON.parse(response)
  if json['response'] =~ /success/
    if @id < 1
      @id = json['entityID'].to_i
    end
  else
    raise APIError.new(response, json['message'])
  end
  @id
end

#scan(connection, sync_id = nil) ⇒ Scan

Scan this site.

Parameters:

  • connection (Connection) —

    Connection to console where scan will be launched.

  • sync_id (String) (defaults to: nil) —

    Optional synchronization token.

Returns:

  • (Scan) —

    Scan launch information.



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# File 'lib/nexpose/site.rb', line 316

def scan(connection, sync_id = nil)
  xml = REXML::Element.new('SiteScanRequest')
  xml.add_attributes({ 'session-id' => connection.session_id,
                       'site-id' => @id,
                       'sync-id' => sync_id })

  response = connection.execute(xml, '1.1', timeout: 60)
  Scan.parse(response.res) if response.success
end

#to_xml ⇒ Object 



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# File 'lib/nexpose/site.rb', line 441

def to_xml
  as_xml.to_s
end