Class: Puppeteer::BrowserContext

Inherits:
Object
  • Object
show all
Includes:
EventCallbackable
Defined in:
lib/puppeteer/browser_context.rb

Defined Under Namespace

Classes: ScreenshotGuard

Constant Summary collapse

WEB_PERMISSION_TO_PROTOCOL = 
{
  'geolocation' => 'geolocation',
  'midi' => 'midi',
  'notifications' => 'notifications',
  # TODO: push isn't a valid type?
  # 'push' => 'push',
  'camera' => 'videoCapture',
  'microphone' => 'audioCapture',
  'background-sync' => 'backgroundSync',
  'ambient-light-sensor' => 'sensors',
  'accelerometer' => 'sensors',
  'gyroscope' => 'sensors',
  'magnetometer' => 'sensors',
  'accessibility-events' => 'accessibilityEvents',
  'clipboard-read' => 'clipboardReadWrite',
  'clipboard-write' => 'clipboardReadWrite',
  'payment-handler' => 'paymentHandler',
  'persistent-storage' => 'durableStorage',
  'idle-detection' => 'idleDetection',
  # chrome-specific permissions we have.
  'midi-sysex' => 'midiSysex',
}.freeze

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods included from EventCallbackable

#add_event_listener, #emit_event, #observe_first, #off, #on_event, #remove_event_listener

Constructor Details

#initialize(connection, browser, context_id) ⇒ BrowserContext

Returns a new instance of BrowserContext.

Parameters:



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# File 'lib/puppeteer/browser_context.rb', line 11

def initialize(connection, browser, context_id)
  @connection = connection
  @browser = browser
  @id = context_id
  @closed = false
  @screenshot_semaphore = nil
  @screenshot_operations_count = 0
end

Instance Attribute Details

#id ⇒ Object (readonly)

Returns the value of attribute id.



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# File 'lib/puppeteer/browser_context.rb', line 20

def id
  @id
end

Instance Method Details

#==(other) ⇒ Object 



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# File 'lib/puppeteer/browser_context.rb', line 39

def ==(other)
  other = other.__getobj__ if other.is_a?(Puppeteer::ReactorRunner::Proxy)
  return true if equal?(other)
  return false unless other.is_a?(Puppeteer::BrowserContext)
  return false if @id.nil? || other.id.nil?

  @id == other.id
end

#async_wait_for_target(predicate:, timeout: nil) ⇒ Object

Parameters:



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# File 'lib/puppeteer/browser_context.rb', line 102

define_async_method :async_wait_for_target

#browser ⇒ Browser

Returns:



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# File 'lib/puppeteer/browser_context.rb', line 222

def browser
  @browser
end

#clear_permission_overrides ⇒ Object 



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# File 'lib/puppeteer/browser_context.rb', line 194

def clear_permission_overrides
  if @id
    @connection.send_message('Browser.resetPermissions', browserContextId: @id)
  else
    @connection.send_message('Browser.resetPermissions')
  end
end

#close ⇒ Object 



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# File 'lib/puppeteer/browser_context.rb', line 226

def close
  unless @id
    raise 'Non-incognito profiles cannot be closed!'
  end
  @browser.dispose_context(@id)
  @closed = true
end

#closed? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/puppeteer/browser_context.rb', line 116

def closed?
  @closed || !@browser.browser_contexts.include?(self)
end

#cookies ⇒ Array<Hash>

Returns:

  • (Array<Hash>) 


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# File 'lib/puppeteer/browser_context.rb', line 235

def cookies
  params = { browserContextId: @id }.compact
  response = @connection.send_message('Storage.getCookies', params)
  response.fetch('cookies', []).map do |cookie|
    normalized = cookie.dup
    partition_key = cookie['partitionKey']
    if partition_key
      normalized['partitionKey'] = convert_partition_key_from_cdp(partition_key)
    end
    normalized['sameParty'] = cookie['sameParty'] || false
    normalized
  end
end

#delete_cookie(*cookies) ⇒ Object

Parameters:

  • cookies (Array<Hash>) 


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# File 'lib/puppeteer/browser_context.rb', line 267

def delete_cookie(*cookies)
  items = cookies.map do |cookie|
    normalized = normalize_cookie_hash(cookie)
    normalized['expires'] = 1
    normalized
  end
  set_cookie(*items)
end

#delete_matching_cookies(*filters) ⇒ Object

Parameters:

  • filters (Array<Hash>) 


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# File 'lib/puppeteer/browser_context.rb', line 277

def delete_matching_cookies(*filters)
  cookies_to_delete = cookies.select do |cookie|
    filters.any? do |filter|
      filter_name = hash_value(filter, 'name')
      next false unless filter_name == cookie['name']

      filter_domain = hash_value(filter, 'domain')
      next true if filter_domain && filter_domain == cookie['domain']

      filter_path = hash_value(filter, 'path')
      next true if filter_path && filter_path == cookie['path']

      filter_partition_key = hash_value(filter, 'partitionKey', 'partition_key')
      if filter_partition_key && cookie['partitionKey']
        if cookie['partitionKey'].is_a?(String)
          raise Puppeteer::Error.new('Unexpected string partition key')
        end

        cookie_partition_source_origin = hash_value(cookie['partitionKey'], 'sourceOrigin', 'source_origin')
        filter_partition_source_origin =
          if filter_partition_key.is_a?(String)
            filter_partition_key
          else
            hash_value(filter_partition_key, 'sourceOrigin', 'source_origin')
          end

        next true if filter_partition_source_origin == cookie_partition_source_origin
      end

      filter_url = hash_value(filter, 'url')
      if filter_url
        url = URI.parse(filter_url)
        url_path = url.path.to_s.empty? ? '/' : url.path
        next true if url.hostname == cookie['domain'] && url_path == cookie['path']
      end

      true
    end
  end

  delete_cookie(*cookies_to_delete)
end

#incognito? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/puppeteer/browser_context.rb', line 112

def incognito?
  !!@id
end

#new_page ⇒ Future<Puppeteer::Page>

Returns:



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# File 'lib/puppeteer/browser_context.rb', line 214

def new_page
  guard = wait_for_screenshot_operations
  @browser.create_page_in_context(@id)
ensure
  guard&.release
end

#on(event_name, &block) ⇒ Object

Parameters:

  • event_name (Symbol) —

    either of :disconnected, :targetcreated, :targetchanged, :targetdestroyed



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# File 'lib/puppeteer/browser_context.rb', line 49

def on(event_name, &block)
  unless BrowserContextEmittedEvents.values.include?(event_name.to_s)
    raise ArgumentError.new("Unknown event name: #{event_name}. Known events are #{BrowserContextEmittedEvents.values.to_a.join(", ")}")
  end

  super(event_name.to_s, &block)
end

#once(event_name, &block) ⇒ Object

Parameters:

  • event_name (Symbol) 


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# File 'lib/puppeteer/browser_context.rb', line 58

def once(event_name, &block)
  unless BrowserContextEmittedEvents.values.include?(event_name.to_s)
    raise ArgumentError.new("Unknown event name: #{event_name}. Known events are #{BrowserContextEmittedEvents.values.to_a.join(", ")}")
  end

  super(event_name.to_s, &block)
end

#override_permissions(origin, permissions) ⇒ Object

Parameters:

  • origin (String)
  • permissions (Array<String>) 


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# File 'lib/puppeteer/browser_context.rb', line 145

def override_permissions(origin, permissions)
  protocol_permissions = permissions.map do |permission|
    WEB_PERMISSION_TO_PROTOCOL[permission] or raise ArgumentError.new("Unknown permission: #{permission}")
  end
  @connection.send_message('Browser.grantPermissions', {
    origin: origin,
    browserContextId: @id,
    permissions: protocol_permissions,
  }.compact)
end

#pages(include_all: false) ⇒ !Promise<!Array<!Puppeteer.Page>>

Returns:



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# File 'lib/puppeteer/browser_context.rb', line 105

def pages(include_all: false)
  targets.select { |target|
    target.type == 'page' ||
      ((target.type == 'other' || include_all) && @browser.is_page_target_callback&.call(target.target_info))
  }.map(&:page).compact
end

#set_cookie(*cookies) ⇒ Object

Parameters:

  • cookies (Array<Hash>) 


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# File 'lib/puppeteer/browser_context.rb', line 250

def set_cookie(*cookies)
  items = cookies.map do |cookie|
    normalized = normalize_cookie_hash(cookie)
    partition_key = normalized.delete('partitionKey') || normalized.delete('partition_key')
    normalized['partitionKey'] = convert_partition_key_for_cdp(partition_key) if partition_key
    same_site = normalized.delete('sameSite') || normalized.delete('same_site')
    converted_same_site = convert_same_site_for_cdp(same_site)
    normalized['sameSite'] = converted_same_site if converted_same_site
    normalized
  end
  @connection.send_message('Storage.setCookies', {
    browserContextId: @id,
    cookies: items,
  }.compact)
end

#set_download_behavior(download_behavior) ⇒ Object

Parameters:

  • download_behavior (Hash) 


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# File 'lib/puppeteer/browser_context.rb', line 203

def set_download_behavior(download_behavior)
  behavior = hash_value(download_behavior, 'policy')
  download_path = hash_value(download_behavior, 'downloadPath', 'download_path')
  @connection.send_message('Browser.setDownloadBehavior', {
    behavior: behavior,
    downloadPath: download_path,
    browserContextId: @id,
  }.compact)
end

#set_permission(origin, *permissions) ⇒ Object

Parameters:

  • origin (String) —

    Use ‘*’ to apply to all origins.

  • permissions (Array<Hash>) —

    { permission: { name:, userVisibleOnly:, sysex:, panTiltZoom:, allowWithoutSanitization: }, state: ‘granted’|‘denied’|‘prompt’ }



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# File 'lib/puppeteer/browser_context.rb', line 158

def set_permission(origin, *permissions)
  permissions.each do |permission|
    descriptor = hash_value(permission, 'permission')
    state = hash_value(permission, 'state')
    unless descriptor.is_a?(Hash)
      raise ArgumentError.new('Each permission entry must include a permission descriptor')
    end
    unless state
      raise ArgumentError.new('Each permission entry must include state')
    end

    name = hash_value(descriptor, 'name')
    unless name
      raise ArgumentError.new('Permission descriptor must include name')
    end

    protocol_permission = { name: name.to_s }
    {
      userVisibleOnly: %w[userVisibleOnly user_visible_only],
      sysex: %w[sysex],
      panTiltZoom: %w[panTiltZoom pan_tilt_zoom],
      allowWithoutSanitization: %w[allowWithoutSanitization allow_without_sanitization],
    }.each do |protocol_key, keys|
      value = hash_value(descriptor, *keys)
      protocol_permission[protocol_key] = value unless value.nil?
    end

    @connection.send_message('Browser.setPermission', {
      origin: origin == '*' ? nil : origin,
      browserContextId: @id,
      permission: protocol_permission,
      setting: state.to_s,
    }.compact)
  end
end

#start_screenshot ⇒ Object 



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# File 'lib/puppeteer/browser_context.rb', line 71

def start_screenshot
  semaphore = @screenshot_semaphore || Async::Semaphore.new(1)
  @screenshot_semaphore = semaphore
  @screenshot_operations_count += 1
  semaphore.acquire
  ScreenshotGuard.new(semaphore, on_release: lambda {
    @screenshot_operations_count -= 1
    @screenshot_semaphore = nil if @screenshot_operations_count.zero?
  })
end

#targets ⇒ !Array<!Target>

Returns target.

Returns:

  • (!Array<!Target>) —

    target



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# File 'lib/puppeteer/browser_context.rb', line 67

def targets
  @browser.targets.select { |target| target.browser_context == self }
end

#wait_for_screenshot_operations ⇒ Object 



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# File 'lib/puppeteer/browser_context.rb', line 82

def wait_for_screenshot_operations
  semaphore = @screenshot_semaphore
  return nil unless semaphore

  semaphore.acquire
  ScreenshotGuard.new(semaphore)
end

#wait_for_target(predicate:, timeout: nil) ⇒ Puppeteer::Target

Parameters:

Returns:



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# File 'lib/puppeteer/browser_context.rb', line 92

def wait_for_target(predicate:, timeout: nil)
  @browser.wait_for_target(
    predicate: ->(target) { target.browser_context == self && predicate.call(target) },
    timeout: timeout,
  )
end