/
frame_manager.rb
449 lines (391 loc) · 13.9 KB
/
frame_manager.rb
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require 'timeout'
class Puppeteer::FrameManager
include Puppeteer::DebugPrint
include Puppeteer::IfPresent
include Puppeteer::EventCallbackable
using Puppeteer::DefineAsyncMethod
UTILITY_WORLD_NAME = '__puppeteer_utility_world__'
# @param {!Puppeteer.CDPSession} client
# @param {!Puppeteer.Page} page
# @param {boolean} ignoreHTTPSErrors
# @param {!Puppeteer.TimeoutSettings} timeoutSettings
def initialize(client, page, ignore_https_errors, timeout_settings)
@client = client
@page = page
@network_manager = Puppeteer::NetworkManager.new(client, ignore_https_errors, self)
@timeout_settings = timeout_settings
# @type {!Map<string, !Frame>}
@frames = {}
# @type {!Map<number, !ExecutionContext>}
@context_id_to_context = {}
# @type {!Set<string>}
@isolated_worlds = Set.new
setup_listeners(@client)
end
private def setup_listeners(client)
client.on_event('Page.frameAttached') do |event|
handle_frame_attached(client, event['frameId'], event['parentFrameId'])
end
client.on_event('Page.frameNavigated') do |event|
handle_frame_navigated(event['frame'])
end
client.on_event('Page.navigatedWithinDocument') do |event|
handle_frame_navigated_within_document(event['frameId'], event['url'])
end
client.on_event('Page.frameDetached') do |event|
handle_frame_detached(event['frameId'], event['reason'])
end
client.on_event('Page.frameStoppedLoading') do |event|
handle_frame_stopped_loading(event['frameId'])
end
client.on_event('Runtime.executionContextCreated') do |event|
handle_execution_context_created(event['context'], client)
end
client.on_event('Runtime.executionContextDestroyed') do |event|
handle_execution_context_destroyed(event['executionContextId'], client)
end
client.on_event('Runtime.executionContextsCleared') do |event|
handle_execution_contexts_cleared(client)
end
client.on_event('Page.lifecycleEvent') do |event|
handle_lifecycle_event(event)
end
client.on_event('Target.attachedToTarget') do |event|
handle_attached_to_target(event)
end
client.on_event('Target.detachedFromTarget') do |event|
handle_detached_from_target(event)
end
end
attr_reader :client, :timeout_settings
private def init(cdp_session = nil)
client = cdp_session || @client
promises = [
client.async_send_message('Page.enable'),
client.async_send_message('Page.getFrameTree'),
cdp_session&.async_send_message('Target.setAutoAttach', {
autoAttach: true,
waitForDebuggerOnStart: false,
flatten: true,
})
].compact
results = await_all(*promises)
frame_tree = results[1]['frameTree']
handle_frame_tree(client, frame_tree)
await_all(
client.async_send_message('Page.setLifecycleEventsEnabled', enabled: true),
client.async_send_message('Runtime.enable'),
)
ensure_isolated_world(client, UTILITY_WORLD_NAME)
@network_manager.init unless cdp_session
rescue => err
# The target might have been closed before the initialization finished.
return if err.message.include?('Target closed') || err.message.include?('Session closed')
raise
end
define_async_method :async_init
attr_reader :network_manager
class NavigationError < StandardError; end
# @param frame [Puppeteer::Frame]
# @param url [String]
# @param {!{referer?: string, timeout?: number, waitUntil?: string|!Array<string>}=} options
# @return [Puppeteer::HTTPResponse]
def navigate_frame(frame, url, referer: nil, timeout: nil, wait_until: nil)
assert_no_legacy_navigation_options(wait_until: wait_until)
navigate_params = {
url: url,
referer: referer || @network_manager.extra_http_headers['referer'],
frameId: frame.id,
}.compact
option_wait_until = wait_until || ['load']
option_timeout = timeout || @timeout_settings.navigation_timeout
watcher = Puppeteer::LifecycleWatcher.new(self, frame, option_wait_until, option_timeout)
ensure_new_document_navigation = false
begin
navigate = future do
result = @client.send_message('Page.navigate', navigate_params)
loader_id = result['loaderId']
ensure_new_document_navigation = !!loader_id
if result['errorText']
raise NavigationError.new("#{result['errorText']} at #{url}")
end
end
await_any(
navigate,
watcher.timeout_or_termination_promise,
)
document_navigation_promise =
if ensure_new_document_navigation
watcher.new_document_navigation_promise
else
watcher.same_document_navigation_promise
end
await_any(
document_navigation_promise,
watcher.timeout_or_termination_promise,
)
rescue Puppeteer::TimeoutError => err
raise NavigationError.new(err)
ensure
watcher.dispose
end
watcher.navigation_response
end
# @param timeout [number|nil]
# @param wait_until [string|nil] 'load' | 'domcontentloaded' | 'networkidle0' | 'networkidle2'
# @return [Puppeteer::HTTPResponse]
def wait_for_frame_navigation(frame, timeout: nil, wait_until: nil)
assert_no_legacy_navigation_options(wait_until: wait_until)
option_wait_until = wait_until || ['load']
option_timeout = timeout || @timeout_settings.navigation_timeout
watcher = Puppeteer::LifecycleWatcher.new(self, frame, option_wait_until, option_timeout)
begin
await_any(
watcher.timeout_or_termination_promise,
watcher.same_document_navigation_promise,
watcher.new_document_navigation_promise,
)
rescue Puppeteer::TimeoutError => err
raise NavigationError.new(err)
ensure
watcher.dispose
end
watcher.navigation_response
end
# @param event [Hash]
def handle_attached_to_target(event)
return if event['targetInfo']['type'] != 'iframe'
frame = @frames[event['targetInfo']['targetId']]
session = Puppeteer::Connection.from_session(@client).session(event['sessionId'])
frame&.send(:update_client, session)
setup_listeners(session)
async_init(session)
end
# @param event [Hash]
def handle_detached_from_target(event)
frame = @frames[event['targetId']]
if frame && frame.oop_frame?
# When an OOP iframe is removed from the page, it
# will only get a Target.detachedFromTarget event.
remove_frame_recursively(frame)
end
end
# @param event [Hash]
def handle_lifecycle_event(event)
frame = @frames[event['frameId']]
return if !frame
frame.handle_lifecycle_event(event['loaderId'], event['name'])
emit_event(FrameManagerEmittedEvents::LifecycleEvent, frame)
end
# @param {string} frameId
def handle_frame_stopped_loading(frame_id)
frame = @frames[frame_id]
return if !frame
frame.handle_loading_stopped
emit_event(FrameManagerEmittedEvents::LifecycleEvent, frame)
end
# @param session [Puppeteer::CDPSession]
# @param frame_tree [Hash]
def handle_frame_tree(session, frame_tree)
if frame_tree['frame']['parentId']
handle_frame_attached(session, frame_tree['frame']['id'], frame_tree['frame']['parentId'])
end
handle_frame_navigated(frame_tree['frame'])
return if !frame_tree['childFrames']
frame_tree['childFrames'].each do |child|
handle_frame_tree(session, child)
end
end
# @return {!Puppeteer.Page}
def page
@page
end
# @return {!Frame}
def main_frame
@main_frame
end
# @return {!Array<!Frame>}
def frames
@frames.values
end
# @param {!string} frameId
# @return {?Frame}
def frame(frame_id)
@frames[frame_id]
end
# @param session [Puppeteer::CDPSession]
# @param frameId [String]
# @param parentFrameId [String|nil]
def handle_frame_attached(session, frame_id, parent_frame_id)
if @frames.has_key?(frame_id)
frame = @frames[frame_id]
if session && frame.oop_frame?
# If an OOP iframes becomes a normal iframe again
# it is first attached to the parent page before
# the target is removed.
frame.send(:update_client, session)
end
return
end
if !parent_frame_id
raise ArgymentError.new('parent_frame_id must not be nil')
end
parent_frame = @frames[parent_frame_id]
frame = Puppeteer::Frame.new(self, parent_frame, frame_id, session)
@frames[frame_id] = frame
emit_event(FrameManagerEmittedEvents::FrameAttached, frame)
end
# @param frame_payload [Hash]
def handle_frame_navigated(frame_payload)
is_main_frame = !frame_payload['parentId']
frame =
if is_main_frame
@main_frame
else
@frames[frame_payload['id']]
end
if !is_main_frame && !frame
raise ArgumentError.new('We either navigate top level or have old version of the navigated frame')
end
# Detach all child frames first.
if frame
frame.child_frames.each do |child|
remove_frame_recursively(child)
end
end
# Update or create main frame.
if is_main_frame
if frame
# Update frame id to retain frame identity on cross-process navigation.
@frames.delete(frame.id)
frame.id = frame_payload['id']
else
# Initial main frame navigation.
frame = Puppeteer::Frame.new(self, nil, frame_payload['id'], @client)
end
@frames[frame_payload['id']] = frame
@main_frame = frame
end
# Update frame payload.
frame.navigated(frame_payload)
emit_event(FrameManagerEmittedEvents::FrameNavigated, frame)
end
# @param session [Puppeteer::CDPSession]
# @param name [String]
private def ensure_isolated_world(session, name)
key = "#{session.id}:#{name}"
return if @isolated_worlds.include?(key)
@isolated_worlds << key
session.send_message('Page.addScriptToEvaluateOnNewDocument',
source: "//# sourceURL=#{Puppeteer::ExecutionContext::EVALUATION_SCRIPT_URL}",
worldName: name,
)
create_isolated_worlds_promises = frames.
select { |frame| frame._client == session }.
map do |frame|
session.async_send_message('Page.createIsolatedWorld',
frameId: frame.id,
grantUniveralAccess: true,
worldName: name,
)
end
await_all(*create_isolated_worlds_promises)
end
# @param frame_id [String]
# @param url [String]
def handle_frame_navigated_within_document(frame_id, url)
frame = @frames[frame_id]
return unless frame
frame.navigated_within_document(url)
emit_event(FrameManagerEmittedEvents::FrameNavigatedWithinDocument, frame)
emit_event(FrameManagerEmittedEvents::FrameNavigated, frame)
end
# @param frame_id [String]
# @param reason [String]
def handle_frame_detached(frame_id, reason)
frame = @frames[frame_id]
if reason == 'remove'
# Only remove the frame if the reason for the detached event is
# an actual removement of the frame.
# For frames that become OOP iframes, the reason would be 'swap'.
if frame
remove_frame_recursively(frame)
end
elsif reason == 'swap'
emit_event(FrameManagerEmittedEvents::FrameSwapped, frame)
end
end
# @param context_payload [Hash]
# @pram session [Puppeteer::CDPSession]
def handle_execution_context_created(context_payload, session)
frame = if_present(context_payload.dig('auxData', 'frameId')) { |frame_id| @frames[frame_id] }
world = nil
if frame
# commented out the original implementation for allowing us to use Frame#evaluate on OOP iframe.
#
# # Only care about execution contexts created for the current session.
# return if @client != session
if context_payload.dig('auxData', 'isDefault')
world = frame.main_world
elsif context_payload['name'] == UTILITY_WORLD_NAME && !frame.secondary_world.has_context?
# In case of multiple sessions to the same target, there's a race between
# connections so we might end up creating multiple isolated worlds.
# We can use either.
world = frame.secondary_world
end
end
if context_payload.dig('auxData', 'type') == 'isolated'
@isolated_worlds << context_payload['name']
end
context = Puppeteer::ExecutionContext.new(frame&._client || @client, context_payload, world)
if world
world.context = context
end
key = "#{session.id}:#{context_payload['id']}"
@context_id_to_context[key] = context
end
# @param execution_context_id [Integer]
# @param session [Puppeteer::CDPSEssion]
def handle_execution_context_destroyed(execution_context_id, session)
key = "#{session.id}:#{execution_context_id}"
context = @context_id_to_context[key]
return unless context
@context_id_to_context.delete(key)
if context.world
context.world.delete_context(execution_context_id)
end
end
# @param session [Puppeteer::CDPSession]
def handle_execution_contexts_cleared(session)
@context_id_to_context.select! do |execution_context_id, context|
# Make sure to only clear execution contexts that belong
# to the current session.
if context.client != session
true # keep
else
if context.world
context.world.delete_context(execution_context_id)
end
false # remove
end
end
end
def execution_context_by_id(context_id, session)
key = "#{session.id}:#{context_id}"
@context_id_to_context[key] or raise "INTERNAL ERROR: missing context with id = #{context_id}"
end
# @param {!Frame} frame
private def remove_frame_recursively(frame)
frame.child_frames.each do |child|
remove_frame_recursively(child)
end
frame.detach
@frames.delete(frame.id)
emit_event(FrameManagerEmittedEvents::FrameDetached, frame)
end
private def assert_no_legacy_navigation_options(wait_until:)
if wait_until == 'networkidle'
raise ArgumentError.new('ERROR: "networkidle" option is no longer supported. Use "networkidle2" instead')
end
end
end