def browse_website(url, num_links, webdriver, proxy_queue, browser_params, manager_params, extension_socket):
"""
calls get_website before visiting <num_links> present on the page
NOTE: top_url will NOT be properly labeled for requests to subpages
these will still have the top_url set to the url passed as a parameter
to this function.
"""
# First get the site
get_website(url, webdriver, proxy_queue, browser_params, extension_socket)
# Connect to logger
logger = loggingclient(*manager_params['logger_address'])
# Then visit a few subpages
for i in range(num_links):
links = get_intra_links(webdriver, url)
links = filter(lambda x: x.is_displayed() == True, links)
if len(links) == 0:
break
r = int(random.random()*len(links)-1)
logger.info("BROWSER %i: visiting internal link %s" % (browser_params['crawl_id'], links[r].get_attribute("href")))
try:
links[r].click()
wait_until_loaded(webdriver, 300)
time.sleep(1)
if browser_params['bot_mitigation']:
bot_mitigation(webdriver)
webdriver.back()
except Exception, e:
pass
def browse_website(url, num_links, sleep, visit_id, webdriver, proxy_queue,
browser_params, manager_params, extension_socket):
"""Calls get_website before visiting <num_links> present on the page.
Note: the site_url in the site_visits table for the links visited will
be the site_url of the original page and NOT the url of the links visited.
"""
# First get the site
get_website(url, sleep, visit_id, webdriver, proxy_queue, browser_params, extension_socket)
# Connect to logger
logger = loggingclient(*manager_params['logger_address'])
# Then visit a few subpages
for i in range(num_links):
links = get_intra_links(webdriver, url)
links = filter(lambda x: x.is_displayed() == True, links)
if len(links) == 0:
break
r = int(random.random()*len(links)-1)
logger.info("BROWSER %i: visiting internal link %s" % (browser_params['crawl_id'], links[r].get_attribute("href")))
try:
links[r].click()
wait_until_loaded(webdriver, 300)
time.sleep(max(1,sleep))
if browser_params['bot_mitigation']:
bot_mitigation(webdriver)
webdriver.back()
except Exception, e:
pass
def browse_website(url, num_links, webdriver, proxy_queue, browser_params):
"""
calls get_website before visiting <num_links> present on the page
NOTE: top_url will NOT be properly labeled for requests to subpages
these will still have the top_url set to the url passed as a parameter
to this function.
"""
# First get the site
get_website(url, webdriver, proxy_queue, browser_params)
# Then visit a few subpages
for i in range(num_links):
links = get_intra_links(webdriver, url)
links = filter(lambda x: x.is_displayed() == True, links)
if len(links) == 0:
break
r = int(random.random()*len(links)-1)
print "BROWSE: visiting link to %s" % links[r].get_attribute("href")
try:
links[r].click()
wait_until_loaded(webdriver, 300)
time.sleep(1)
if browser_params['bot_mitigation']:
bot_mitigation(webdriver)
webdriver.back()
except Exception, e:
pass
def browse_website(url, num_links, webdriver, proxy_queue, browser_params):
"""
calls get_website before visiting <num_links> present on the page
NOTE: top_url will NOT be properly labeled for requests to subpages
these will still have the top_url set to the url passed as a parameter
to this function.
"""
# First get the site
get_website(url, webdriver, proxy_queue, browser_params)
# Then visit a few subpages
for i in range(num_links):
links = get_intra_links(webdriver, url)
links = filter(lambda x: x.is_displayed() == True, links)
if len(links) == 0:
break
r = int(random.random() * len(links) - 1)
print "BROWSE: visiting link to %s" % links[r].get_attribute("href")
try:
links[r].click()
wait_until_loaded(webdriver, 300)
time.sleep(1)
if browser_params['bot_mitigation']:
bot_mitigation(webdriver)
webdriver.back()
except Exception, e:
pass
def browse_website(url, num_links, webdriver, proxy_queue, browser_params,
manager_params, extension_socket):
"""
calls get_website before visiting <num_links> present on the page
NOTE: top_url will NOT be properly labeled for requests to subpages
these will still have the top_url set to the url passed as a parameter
to this function.
"""
# First get the site
get_website(url, webdriver, proxy_queue, browser_params, extension_socket)
# Connect to logger
logger = loggingclient(*manager_params['logger_address'])
# Then visit a few subpages
for i in range(num_links):
links = get_intra_links(webdriver, url)
links = filter(lambda x: x.is_displayed() == True, links)
if len(links) == 0:
break
r = int(random.random() * len(links) - 1)
logger.info(
"BROWSER %i: visiting internal link %s" %
(browser_params['crawl_id'], links[r].get_attribute("href")))
try:
links[r].click()
wait_until_loaded(webdriver, 300)
time.sleep(1)
if browser_params['bot_mitigation']:
bot_mitigation(webdriver)
webdriver.back()
except Exception, e:
pass
def browse_website(url, num_links, sleep, visit_id, webdriver, proxy_queue,
browser_params, manager_params, extension_socket):
"""Calls get_website before visiting <num_links> present on the page.
Note: the site_url in the site_visits table for the links visited will
be the site_url of the original page and NOT the url of the links visited.
"""
# First get the site
get_website(url, sleep, visit_id, webdriver, proxy_queue, browser_params,
extension_socket)
# Connect to logger
logger = loggingclient(*manager_params['logger_address'])
# Then visit a few subpages
for i in range(num_links):
links = get_intra_links(webdriver, url)
links = filter(lambda x: x.is_displayed() == True, links)
if len(links) == 0:
break
r = int(random.random() * len(links))
logger.info(
"BROWSER %i: visiting internal link %s" %
(browser_params['crawl_id'], links[r].get_attribute("href")))
try:
links[r].click()
wait_until_loaded(webdriver, 300)
time.sleep(max(1, sleep))
if browser_params['bot_mitigation']:
bot_mitigation(webdriver)
webdriver.back()
wait_until_loaded(webdriver, 300)
except Exception:
pass
def browse_and_dump_source(url, num_links, sleep, visit_id, webdriver,
proxy_queue, browser_params, manager_params,
extension_sockets):
"""Calls get_website before visiting <num_links> present on the page.
Each link visited will do a recursive page source dump.
"""
# First get the site
get_website(url, sleep, visit_id, webdriver, proxy_queue, browser_params,
extension_sockets)
recursive_dump_page_source(visit_id, webdriver, manager_params, suffix='0')
# Connect to logger
logger = loggingclient(*manager_params['logger_address'])
# Then visit a few subpages
already_clicked = set()
for i in range(num_links):
all_links = get_intra_links(webdriver, url)
disp_links = filter(lambda x: is_displayed(x), all_links)
links = filter(lambda x: _filter_out_clicks(x, already_clicked),
disp_links)
if len(links) == 0:
break
random.shuffle(links)
clicked = False
for link in links:
try:
href = link.get_attribute('href')
already_clicked.add(href)
logger.info("BROWSER %i: Trying to click %s out of "
"%i links" %
(browser_params['crawl_id'], href, len(links)))
link.click()
except ElementNotVisibleException:
continue
except WebDriverException:
continue
except Exception, e:
logger.error("BROWSER %i: Exception trying to visit %s, %s" %
(browser_params['crawl_id'],
link.get_attribute("href"), str(e)))
continue
logger.info("BROWSER %i: visiting internal link %s" %
(browser_params['crawl_id'], href))
wait_until_loaded(webdriver, 300)
time.sleep(max(1, sleep))
recursive_dump_page_source(visit_id,
webdriver,
manager_params,
suffix=str(i + 1))
webdriver.back()
time.sleep(max(1, sleep))
wait_until_loaded(webdriver, 300)
clicked = True
break
if not clicked:
break
def _find_and_fill_form(webdriver, email_producer, visit_id, debug,
browser_params, manager_params, logger):
"""Finds and fills a form, and returns True if accomplished."""
current_url = webdriver.current_url
current_site_title = webdriver.title.encode('ascii', 'replace')
main_handle = webdriver.current_window_handle
in_iframe = False
# debug: save before/after screenshots and page source
debug_file_prefix = str(visit_id) + '_'
debug_form_pre_initial = debug_file_prefix + 'form_initial_presubmit'
debug_form_post_initial = debug_file_prefix + 'form_initial_result'
debug_form_pre_followup = debug_file_prefix + 'form_followup_presubmit'
debug_form_post_followup = debug_file_prefix + 'form_followup_result'
debug_page_source_initial = debug_file_prefix + 'src_initial'
debug_page_source_followup = debug_file_prefix + 'src_followup'
# try to find newsletter form on landing page
newsletter_form = _find_newsletter_form(webdriver)
if newsletter_form is None:
# search for forms in iframes (if present)
iframes = webdriver.find_elements_by_tag_name('iframe')
for iframe in iframes:
# switch to the iframe
webdriver.switch_to_frame(iframe)
# is there a form?
newsletter_form = _find_newsletter_form(webdriver)
if newsletter_form is not None:
if debug:
dump_page_source(debug_page_source_initial, webdriver,
browser_params, manager_params)
in_iframe = True
break # form found, stay on the iframe
# switch back
webdriver.switch_to_default_content()
# still no form?
if newsletter_form is None:
return False
elif debug:
dump_page_source(debug_page_source_initial, webdriver, browser_params,
manager_params)
email = email_producer(current_url, current_site_title)
user_info = _get_user_info(email)
_form_fill_and_submit(newsletter_form, user_info, webdriver, False,
browser_params, manager_params,
debug_form_pre_initial if debug else None)
logger.info('submitted form on [%s] with email [%s]', current_url, email)
time.sleep(_FORM_SUBMIT_SLEEP)
_dismiss_alert(webdriver)
if debug:
time.sleep(3)
save_screenshot(debug_form_post_initial, webdriver, browser_params,
manager_params)
# fill any follow-up forms...
wait_until_loaded(webdriver, _PAGE_LOAD_TIME) # wait if we got redirected
follow_up_form = None
# first check other windows (ex. pop-ups)
windows = webdriver.window_handles
if len(windows) > 1:
form_found_in_popup = False
for window in windows:
if window != main_handle:
webdriver.switch_to_window(window)
# find newsletter form
if follow_up_form is None:
follow_up_form = _find_newsletter_form(webdriver)
if follow_up_form is not None:
if debug:
dump_page_source(debug_page_source_followup,
webdriver, browser_params,
manager_params)
_form_fill_and_submit(
follow_up_form, user_info, webdriver, True,
browser_params, manager_params,
debug_form_pre_followup if debug else None)
time.sleep(_FORM_SUBMIT_SLEEP)
_dismiss_alert(webdriver)
if debug:
time.sleep(3)
save_screenshot(debug_form_post_followup,
webdriver, browser_params,
manager_params)
webdriver.close()
webdriver.switch_to_window(main_handle)
time.sleep(1)
# else check current page
if follow_up_form is None:
follow_up_form = _find_newsletter_form(webdriver)
if follow_up_form is not None:
if debug:
time.sleep(3)
dump_page_source(debug_page_source_followup, webdriver,
browser_params, manager_params)
_form_fill_and_submit(follow_up_form, user_info, webdriver, True,
browser_params, manager_params,
debug_form_pre_followup if debug else None)
time.sleep(_FORM_SUBMIT_SLEEP)
_dismiss_alert(webdriver)
if debug:
time.sleep(3)
save_screenshot(debug_form_post_followup, webdriver,
browser_params, manager_params)
# switch back
if in_iframe:
webdriver.switch_to_default_content()
# close other windows (ex. pop-ups)
windows = webdriver.window_handles
if len(windows) > 1:
for window in windows:
if window != main_handle:
webdriver.switch_to_window(window)
webdriver.close()
webdriver.switch_to_window(main_handle)
time.sleep(1)
return True
def fill_forms(url, email_producer, num_links, page_timeout, debug, visit_id,
webdriver, proxy_queue, browser_params, manager_params,
extension_socket):
"""Finds a newsletter form on the page. If not found, visits <num_links>
internal links and scans those pages for a form. Submits the form if found.
"""
# load the site
webdriver.set_page_load_timeout(page_timeout)
get_website(url, 0, visit_id, webdriver, proxy_queue, browser_params,
extension_socket)
# connect to the logger
logger = loggingclient(*manager_params['logger_address'])
# try to find a newsletter form on the landing page
if _find_and_fill_form(webdriver, email_producer, visit_id, debug,
browser_params, manager_params, logger):
return
# otherwise, scan more pages
main_handle = webdriver.current_window_handle
visited_links = set()
for i in xrange(num_links):
# get all links on the page
links = webdriver.find_elements_by_tag_name('a')
random.shuffle(links)
current_url = webdriver.current_url
current_ps1 = domain_utils.get_ps_plus_1(current_url)
# find links to click
match_links = []
start_time = timeit.default_timer()
for link in links:
try:
if not link.is_displayed():
continue
# check if link is valid and not already visited
href = link.get_attribute('href')
if href is None or href in visited_links:
continue
# check if this is an internal link
if not _is_internal_link(href, current_url, current_ps1):
continue
link_text = link.text.lower()
# skip links with blacklisted text
blacklisted = False
for bl_text in _LINK_TEXT_BLACKLIST:
if bl_text in link_text:
blacklisted = True
break
if blacklisted:
continue
# should we click this link?
link_rank = 0
for type, s, rank, flags in _LINK_TEXT_RANK:
if (type == _TYPE_TEXT
and s in link_text) or (type == _TYPE_HREF
and s in href):
if flags & _FLAG_IN_NEW_URL_ONLY:
# don't use this link if the current page URL already matches too
if type == _TYPE_HREF and s in current_url:
continue
# link matches!
link_rank = rank
match_links.append(
(link, rank, link_text, href, flags))
break
if link_rank >= _LINK_RANK_SKIP: # good enough, stop looking
break
except:
logger.error("error while looping through links...")
# quit if too much time passed (for some reason, this is really slow...)
if match_links and timeit.default_timer(
) - start_time > _LINK_MATCH_TIMEOUT:
break
# find the best link to click
if not match_links:
break # no more links to click
match_links.sort(key=lambda l: l[1])
next_link = match_links[-1]
visited_links.add(next_link[3])
# click the link
try:
# load the page
logger.info("clicking on link '%s' - %s" %
(next_link[2], next_link[3]))
next_link[0].click()
wait_until_loaded(webdriver, _PAGE_LOAD_TIME)
if browser_params['bot_mitigation']:
bot_mitigation(webdriver)
# find newsletter form
if _find_and_fill_form(webdriver, email_producer, visit_id, debug,
browser_params, manager_params, logger):
return
# should we stay on this page?
if next_link[4] & _FLAG_STAY_ON_PAGE:
continue
# go back
webdriver.back()
wait_until_loaded(webdriver, _PAGE_LOAD_TIME)
# check other windows (ex. pop-ups)
windows = webdriver.window_handles
if len(windows) > 1:
form_found_in_popup = False
for window in windows:
if window != main_handle:
webdriver.switch_to_window(window)
wait_until_loaded(webdriver, _PAGE_LOAD_TIME)
# find newsletter form
if _find_and_fill_form(webdriver, email_producer,
visit_id, debug, browser_params,
manager_params, logger):
form_found_in_popup = True
webdriver.close()
webdriver.switch_to_window(main_handle)
time.sleep(1)
if form_found_in_popup:
return
except:
pass
def _find_and_fill_form(webdriver, user_data, visit_id, debug, browser_params,
manager_params, logger):
"""Finds and fills a form, and returns True if accomplished."""
current_url = webdriver.current_url
current_site_title = webdriver.title.encode('ascii', 'replace')
main_handle = webdriver.current_window_handle
in_iframe = False
if debug: logger.debug('The current URL is %s' % current_url)
# debug: save before/after screenshots and page source
debug_file_prefix = str(visit_id) + '_'
debug_form_pre_initial = debug_file_prefix + 'form_initial_presubmit'
debug_form_post_initial = debug_file_prefix + 'form_initial_result'
debug_form_pre_followup = debug_file_prefix + 'form_followup_presubmit'
debug_form_post_followup = debug_file_prefix + 'form_followup_result'
debug_page_source_initial = debug_file_prefix + 'src_initial'
debug_page_source_followup = debug_file_prefix + 'src_followup'
newsletter_form = None
# Search for a modal dialog, and for a form in the modal dialog
# Search for no more than two modal dialogs
try:
search_count = 0
while (search_count < _MAX_POPUP_DISMISS):
if debug:
logger.debug('Round %d of modal dialog search...' %
search_count)
dialog_container = _get_dialog_container(webdriver)
if dialog_container:
if debug:
logger.debug(
'Modal dialog found, searching for newsletter form in dialog...'
)
newsletter_form = _find_newsletter_form(
dialog_container, webdriver, debug, logger)
if newsletter_form is None:
clicked = _dismiss_dialog(webdriver, dialog_container)
if debug:
if int(clicked) > 0:
if debug:
logger.debug(
'No newsletter form in dialog, dismissed it'
)
else:
if debug:
logger.debug(
'Made no clicks to dismiss the dialog')
webdriver.find_element_by_tag_name(
'html').send_keys(Keys.ESCAPE)
logger.debug(
'Pressed ESC to dismiss the dialog')
else:
if debug:
logger.debug('Found a newsletter form in the dialog')
break
else:
if debug: logger.debug('No dialog on the page')
break
search_count += 1
except Exception as e:
logger.error('Error while examining for modal dialogs: %s' % str(e))
# try to find newsletter forms on landing page after dismissing the dialog
if newsletter_form is None:
if debug:
logger.debug(
'Searching the rest of the page for a newsletter form')
newsletter_form = _find_newsletter_form(None, webdriver, debug, logger)
# Search for newsletter forms in iframes
if newsletter_form is None:
if debug:
logger.debug(
'No newsletter form found on this page, searching for forms in iframes...'
)
# search for forms in iframes (if present)
iframes = webdriver.find_elements_by_tag_name(
'iframe') + webdriver.find_elements_by_tag_name('frame')
if debug: logger.debug('Searching in %d iframes' % len(iframes))
for iframe in iframes:
try:
# switch to the iframe
webdriver.switch_to_frame(iframe)
# is there a form?
newsletter_form = _find_newsletter_form(
None, webdriver, debug, logger)
if newsletter_form is not None:
if debug:
dump_page_source(debug_page_source_initial, webdriver,
browser_params, manager_params)
logger.debug(
'Found a newsletter in an iframe on this page')
in_iframe = True
break # form found, stay on the iframe
# switch back
webdriver.switch_to_default_content()
except Exception as e:
if debug:
logger.error('Error while analyzing an iframe: %s' %
str(e))
webdriver.switch_to_default_content()
# still no form?
if newsletter_form is None:
if debug: logger.debug('None of the iframes have newsletter forms')
return False
elif debug:
dump_page_source(debug_page_source_initial, webdriver, browser_params,
manager_params)
email = user_data['email']
user_info = user_data
_form_fill_and_submit(newsletter_form, user_info, webdriver, True,
browser_params, manager_params,
debug_form_pre_initial if debug else None)
logger.info('Submitted form on [%s] with email [%s] on visit_id [%d]',
current_url, email, visit_id)
time.sleep(_FORM_SUBMIT_SLEEP)
_dismiss_alert(webdriver)
if debug:
save_screenshot(debug_form_post_initial, webdriver, browser_params,
manager_params)
logger.debug('The current URL is %s' % webdriver.current_url)
logger.debug('Filling any follow-up forms on this page...')
# fill any follow-up forms...
wait_until_loaded(webdriver, _PAGE_LOAD_TIME) # wait if we got redirected
follow_up_form = None
# first check other windows (ex. pop-ups)
windows = webdriver.window_handles
if len(windows) > 1:
if debug:
logger.debug('Found %d windows (e.g., popups)' % len(windows))
form_found_in_popup = False
for window in windows:
if window != main_handle:
webdriver.switch_to_window(window)
# find newsletter form
if follow_up_form is None:
follow_up_form = _find_newsletter_form(
None, webdriver, debug, logger)
if follow_up_form is not None:
if debug:
dump_page_source(debug_page_source_followup,
webdriver, browser_params,
manager_params)
logger.debug(
'Found a newsletter form in another window')
_form_fill_and_submit(
follow_up_form, user_info, webdriver, True,
browser_params, manager_params,
debug_form_pre_followup if debug else None)
logger.info(
'Submitted form on [%s] with email [%s] on visit_id [%d]',
webdriver.current_url, email, visit_id)
time.sleep(_FORM_SUBMIT_SLEEP)
_dismiss_alert(webdriver)
if debug:
save_screenshot(debug_form_post_followup,
webdriver, browser_params,
manager_params)
webdriver.close()
webdriver.switch_to_window(main_handle)
time.sleep(1)
# else check current page
if follow_up_form is None:
if debug:
logger.debug(
'Found no follow-up forms in other windows, checking current page'
)
follow_up_form = _find_newsletter_form(None, webdriver, debug, logger)
if follow_up_form is not None:
if debug:
dump_page_source(debug_page_source_followup, webdriver,
browser_params, manager_params)
logger.debug('Found a follow-up form in this page')
_form_fill_and_submit(follow_up_form, user_info, webdriver, True,
browser_params, manager_params,
debug_form_pre_followup if debug else None)
logger.info(
'Submitted form on [%s] with email [%s] on visit_id [%d]',
webdriver.current_url, email, visit_id)
time.sleep(_FORM_SUBMIT_SLEEP)
_dismiss_alert(webdriver)
if debug:
save_screenshot(debug_form_post_followup, webdriver,
browser_params, manager_params)
else:
if debug: logger.debug('No follow-up forms on the current page')
# switch back
if in_iframe:
if debug:
logger.debug(
'We were in an iframe, switching back to the main window')
webdriver.switch_to_default_content()
# close other windows (ex. pop-ups)
windows = webdriver.window_handles
if len(windows) > 1:
if debug:
logger.debug('Closing %d windows (e.g., popups)' % len(windows))
for window in windows:
if window != main_handle:
webdriver.switch_to_window(window)
webdriver.close()
webdriver.switch_to_window(main_handle)
time.sleep(1)
return True
