|
|
|
|
@ -46,139 +46,137 @@ class perform_site_check():
|
|
|
|
|
if 'Accept-Encoding' in request_headers and "br" in request_headers['Accept-Encoding']:
|
|
|
|
|
request_headers['Accept-Encoding'] = request_headers['Accept-Encoding'].replace(', br', '')
|
|
|
|
|
|
|
|
|
|
# @todo check the failures are really handled how we expect
|
|
|
|
|
|
|
|
|
|
timeout = self.datastore.data['settings']['requests']['timeout']
|
|
|
|
|
url = self.datastore.get_val(uuid, 'url')
|
|
|
|
|
request_body = self.datastore.get_val(uuid, 'body')
|
|
|
|
|
request_method = self.datastore.get_val(uuid, 'method')
|
|
|
|
|
ignore_status_code = self.datastore.get_val(uuid, 'ignore_status_codes')
|
|
|
|
|
|
|
|
|
|
# Pluggable content fetcher
|
|
|
|
|
prefer_backend = watch['fetch_backend']
|
|
|
|
|
if hasattr(content_fetcher, prefer_backend):
|
|
|
|
|
klass = getattr(content_fetcher, prefer_backend)
|
|
|
|
|
else:
|
|
|
|
|
timeout = self.datastore.data['settings']['requests']['timeout']
|
|
|
|
|
url = self.datastore.get_val(uuid, 'url')
|
|
|
|
|
request_body = self.datastore.get_val(uuid, 'body')
|
|
|
|
|
request_method = self.datastore.get_val(uuid, 'method')
|
|
|
|
|
ignore_status_code = self.datastore.get_val(uuid, 'ignore_status_codes')
|
|
|
|
|
|
|
|
|
|
# Pluggable content fetcher
|
|
|
|
|
prefer_backend = watch['fetch_backend']
|
|
|
|
|
if hasattr(content_fetcher, prefer_backend):
|
|
|
|
|
klass = getattr(content_fetcher, prefer_backend)
|
|
|
|
|
else:
|
|
|
|
|
# If the klass doesnt exist, just use a default
|
|
|
|
|
klass = getattr(content_fetcher, "html_requests")
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
fetcher = klass()
|
|
|
|
|
fetcher.run(url, timeout, request_headers, request_body, request_method, ignore_status_code)
|
|
|
|
|
# Fetching complete, now filters
|
|
|
|
|
# @todo move to class / maybe inside of fetcher abstract base?
|
|
|
|
|
|
|
|
|
|
# @note: I feel like the following should be in a more obvious chain system
|
|
|
|
|
# - Check filter text
|
|
|
|
|
# - Is the checksum different?
|
|
|
|
|
# - Do we convert to JSON?
|
|
|
|
|
# https://stackoverflow.com/questions/41817578/basic-method-chaining ?
|
|
|
|
|
# return content().textfilter().jsonextract().checksumcompare() ?
|
|
|
|
|
|
|
|
|
|
is_json = 'application/json' in fetcher.headers.get('Content-Type', '')
|
|
|
|
|
is_html = not is_json
|
|
|
|
|
css_filter_rule = watch['css_filter']
|
|
|
|
|
subtractive_selectors = watch.get(
|
|
|
|
|
"subtractive_selectors", []
|
|
|
|
|
) + self.datastore.data["settings"]["application"].get(
|
|
|
|
|
"global_subtractive_selectors", []
|
|
|
|
|
)
|
|
|
|
|
|
|
|
|
|
has_filter_rule = css_filter_rule and len(css_filter_rule.strip())
|
|
|
|
|
has_subtractive_selectors = subtractive_selectors and len(subtractive_selectors[0].strip())
|
|
|
|
|
|
|
|
|
|
if is_json and not has_filter_rule:
|
|
|
|
|
css_filter_rule = "json:$"
|
|
|
|
|
has_filter_rule = True
|
|
|
|
|
|
|
|
|
|
if has_filter_rule:
|
|
|
|
|
if 'json:' in css_filter_rule:
|
|
|
|
|
stripped_text_from_html = html_tools.extract_json_as_string(content=fetcher.content, jsonpath_filter=css_filter_rule)
|
|
|
|
|
is_html = False
|
|
|
|
|
|
|
|
|
|
if is_html:
|
|
|
|
|
# CSS Filter, extract the HTML that matches and feed that into the existing inscriptis::get_text
|
|
|
|
|
html_content = fetcher.content
|
|
|
|
|
|
|
|
|
|
# If not JSON, and if it's not text/plain..
|
|
|
|
|
if 'text/plain' in fetcher.headers.get('Content-Type', '').lower():
|
|
|
|
|
# Don't run get_text or xpath/css filters on plaintext
|
|
|
|
|
stripped_text_from_html = html_content
|
|
|
|
|
else:
|
|
|
|
|
# Then we assume HTML
|
|
|
|
|
if has_filter_rule:
|
|
|
|
|
# For HTML/XML we offer xpath as an option, just start a regular xPath "/.."
|
|
|
|
|
if css_filter_rule[0] == '/':
|
|
|
|
|
html_content = html_tools.xpath_filter(xpath_filter=css_filter_rule, html_content=fetcher.content)
|
|
|
|
|
else:
|
|
|
|
|
# CSS Filter, extract the HTML that matches and feed that into the existing inscriptis::get_text
|
|
|
|
|
html_content = html_tools.css_filter(css_filter=css_filter_rule, html_content=fetcher.content)
|
|
|
|
|
if has_subtractive_selectors:
|
|
|
|
|
html_content = html_tools.element_removal(subtractive_selectors, html_content)
|
|
|
|
|
# extract text
|
|
|
|
|
stripped_text_from_html = \
|
|
|
|
|
html_tools.html_to_text(
|
|
|
|
|
html_content,
|
|
|
|
|
render_anchor_tag_content=self.datastore.data["settings"][
|
|
|
|
|
"application"].get(
|
|
|
|
|
"render_anchor_tag_content", False)
|
|
|
|
|
)
|
|
|
|
|
# Re #340 - return the content before the 'ignore text' was applied
|
|
|
|
|
text_content_before_ignored_filter = stripped_text_from_html.encode('utf-8')
|
|
|
|
|
|
|
|
|
|
# We rely on the actual text in the html output.. many sites have random script vars etc,
|
|
|
|
|
# in the future we'll implement other mechanisms.
|
|
|
|
|
|
|
|
|
|
update_obj["last_check_status"] = fetcher.get_last_status_code()
|
|
|
|
|
|
|
|
|
|
# If there's text to skip
|
|
|
|
|
# @todo we could abstract out the get_text() to handle this cleaner
|
|
|
|
|
text_to_ignore = watch.get('ignore_text', []) + self.datastore.data['settings']['application'].get('global_ignore_text', [])
|
|
|
|
|
if len(text_to_ignore):
|
|
|
|
|
stripped_text_from_html = html_tools.strip_ignore_text(stripped_text_from_html, text_to_ignore)
|
|
|
|
|
# If the klass doesnt exist, just use a default
|
|
|
|
|
klass = getattr(content_fetcher, "html_requests")
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
fetcher = klass()
|
|
|
|
|
fetcher.run(url, timeout, request_headers, request_body, request_method, ignore_status_code)
|
|
|
|
|
# Fetching complete, now filters
|
|
|
|
|
# @todo move to class / maybe inside of fetcher abstract base?
|
|
|
|
|
|
|
|
|
|
# @note: I feel like the following should be in a more obvious chain system
|
|
|
|
|
# - Check filter text
|
|
|
|
|
# - Is the checksum different?
|
|
|
|
|
# - Do we convert to JSON?
|
|
|
|
|
# https://stackoverflow.com/questions/41817578/basic-method-chaining ?
|
|
|
|
|
# return content().textfilter().jsonextract().checksumcompare() ?
|
|
|
|
|
|
|
|
|
|
is_json = 'application/json' in fetcher.headers.get('Content-Type', '')
|
|
|
|
|
is_html = not is_json
|
|
|
|
|
css_filter_rule = watch['css_filter']
|
|
|
|
|
subtractive_selectors = watch.get(
|
|
|
|
|
"subtractive_selectors", []
|
|
|
|
|
) + self.datastore.data["settings"]["application"].get(
|
|
|
|
|
"global_subtractive_selectors", []
|
|
|
|
|
)
|
|
|
|
|
|
|
|
|
|
has_filter_rule = css_filter_rule and len(css_filter_rule.strip())
|
|
|
|
|
has_subtractive_selectors = subtractive_selectors and len(subtractive_selectors[0].strip())
|
|
|
|
|
|
|
|
|
|
if is_json and not has_filter_rule:
|
|
|
|
|
css_filter_rule = "json:$"
|
|
|
|
|
has_filter_rule = True
|
|
|
|
|
|
|
|
|
|
if has_filter_rule:
|
|
|
|
|
if 'json:' in css_filter_rule:
|
|
|
|
|
stripped_text_from_html = html_tools.extract_json_as_string(content=fetcher.content, jsonpath_filter=css_filter_rule)
|
|
|
|
|
is_html = False
|
|
|
|
|
|
|
|
|
|
if is_html:
|
|
|
|
|
# CSS Filter, extract the HTML that matches and feed that into the existing inscriptis::get_text
|
|
|
|
|
html_content = fetcher.content
|
|
|
|
|
|
|
|
|
|
# If not JSON, and if it's not text/plain..
|
|
|
|
|
if 'text/plain' in fetcher.headers.get('Content-Type', '').lower():
|
|
|
|
|
# Don't run get_text or xpath/css filters on plaintext
|
|
|
|
|
stripped_text_from_html = html_content
|
|
|
|
|
else:
|
|
|
|
|
stripped_text_from_html = stripped_text_from_html.encode('utf8')
|
|
|
|
|
# Then we assume HTML
|
|
|
|
|
if has_filter_rule:
|
|
|
|
|
# For HTML/XML we offer xpath as an option, just start a regular xPath "/.."
|
|
|
|
|
if css_filter_rule[0] == '/':
|
|
|
|
|
html_content = html_tools.xpath_filter(xpath_filter=css_filter_rule, html_content=fetcher.content)
|
|
|
|
|
else:
|
|
|
|
|
# CSS Filter, extract the HTML that matches and feed that into the existing inscriptis::get_text
|
|
|
|
|
html_content = html_tools.css_filter(css_filter=css_filter_rule, html_content=fetcher.content)
|
|
|
|
|
if has_subtractive_selectors:
|
|
|
|
|
html_content = html_tools.element_removal(subtractive_selectors, html_content)
|
|
|
|
|
# extract text
|
|
|
|
|
stripped_text_from_html = \
|
|
|
|
|
html_tools.html_to_text(
|
|
|
|
|
html_content,
|
|
|
|
|
render_anchor_tag_content=self.datastore.data["settings"][
|
|
|
|
|
"application"].get(
|
|
|
|
|
"render_anchor_tag_content", False)
|
|
|
|
|
)
|
|
|
|
|
|
|
|
|
|
# Re #340 - return the content before the 'ignore text' was applied
|
|
|
|
|
text_content_before_ignored_filter = stripped_text_from_html.encode('utf-8')
|
|
|
|
|
|
|
|
|
|
# We rely on the actual text in the html output.. many sites have random script vars etc,
|
|
|
|
|
# in the future we'll implement other mechanisms.
|
|
|
|
|
|
|
|
|
|
update_obj["last_check_status"] = fetcher.get_last_status_code()
|
|
|
|
|
|
|
|
|
|
# If there's text to skip
|
|
|
|
|
# @todo we could abstract out the get_text() to handle this cleaner
|
|
|
|
|
text_to_ignore = watch.get('ignore_text', []) + self.datastore.data['settings']['application'].get('global_ignore_text', [])
|
|
|
|
|
if len(text_to_ignore):
|
|
|
|
|
stripped_text_from_html = html_tools.strip_ignore_text(stripped_text_from_html, text_to_ignore)
|
|
|
|
|
else:
|
|
|
|
|
stripped_text_from_html = stripped_text_from_html.encode('utf8')
|
|
|
|
|
|
|
|
|
|
# Re #133 - if we should strip whitespaces from triggering the change detected comparison
|
|
|
|
|
if self.datastore.data['settings']['application'].get('ignore_whitespace', False):
|
|
|
|
|
fetched_md5 = hashlib.md5(stripped_text_from_html.translate(None, b'\r\n\t ')).hexdigest()
|
|
|
|
|
else:
|
|
|
|
|
fetched_md5 = hashlib.md5(stripped_text_from_html).hexdigest()
|
|
|
|
|
# Re #133 - if we should strip whitespaces from triggering the change detected comparison
|
|
|
|
|
if self.datastore.data['settings']['application'].get('ignore_whitespace', False):
|
|
|
|
|
fetched_md5 = hashlib.md5(stripped_text_from_html.translate(None, b'\r\n\t ')).hexdigest()
|
|
|
|
|
else:
|
|
|
|
|
fetched_md5 = hashlib.md5(stripped_text_from_html).hexdigest()
|
|
|
|
|
|
|
|
|
|
# On the first run of a site, watch['previous_md5'] will be an empty string, set it the current one.
|
|
|
|
|
if not len(watch['previous_md5']):
|
|
|
|
|
watch['previous_md5'] = fetched_md5
|
|
|
|
|
update_obj["previous_md5"] = fetched_md5
|
|
|
|
|
# On the first run of a site, watch['previous_md5'] will be an empty string, set it the current one.
|
|
|
|
|
if not len(watch['previous_md5']):
|
|
|
|
|
watch['previous_md5'] = fetched_md5
|
|
|
|
|
update_obj["previous_md5"] = fetched_md5
|
|
|
|
|
|
|
|
|
|
blocked_by_not_found_trigger_text = False
|
|
|
|
|
blocked_by_not_found_trigger_text = False
|
|
|
|
|
|
|
|
|
|
if len(watch['trigger_text']):
|
|
|
|
|
# Yeah, lets block first until something matches
|
|
|
|
|
blocked_by_not_found_trigger_text = True
|
|
|
|
|
# Filter and trigger works the same, so reuse it
|
|
|
|
|
result = html_tools.strip_ignore_text(content=str(stripped_text_from_html),
|
|
|
|
|
wordlist=watch['trigger_text'],
|
|
|
|
|
mode="line numbers")
|
|
|
|
|
if result:
|
|
|
|
|
blocked_by_not_found_trigger_text = False
|
|
|
|
|
if len(watch['trigger_text']):
|
|
|
|
|
# Yeah, lets block first until something matches
|
|
|
|
|
blocked_by_not_found_trigger_text = True
|
|
|
|
|
# Filter and trigger works the same, so reuse it
|
|
|
|
|
result = html_tools.strip_ignore_text(content=str(stripped_text_from_html),
|
|
|
|
|
wordlist=watch['trigger_text'],
|
|
|
|
|
mode="line numbers")
|
|
|
|
|
if result:
|
|
|
|
|
blocked_by_not_found_trigger_text = False
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
if not blocked_by_not_found_trigger_text and watch['previous_md5'] != fetched_md5:
|
|
|
|
|
changed_detected = True
|
|
|
|
|
update_obj["previous_md5"] = fetched_md5
|
|
|
|
|
update_obj["last_changed"] = timestamp
|
|
|
|
|
if not blocked_by_not_found_trigger_text and watch['previous_md5'] != fetched_md5:
|
|
|
|
|
changed_detected = True
|
|
|
|
|
update_obj["previous_md5"] = fetched_md5
|
|
|
|
|
update_obj["last_changed"] = timestamp
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
# Extract title as title
|
|
|
|
|
if is_html:
|
|
|
|
|
if self.datastore.data['settings']['application']['extract_title_as_title'] or watch['extract_title_as_title']:
|
|
|
|
|
if not watch['title'] or not len(watch['title']):
|
|
|
|
|
update_obj['title'] = html_tools.extract_element(find='title', html_content=fetcher.content)
|
|
|
|
|
# Extract title as title
|
|
|
|
|
if is_html:
|
|
|
|
|
if self.datastore.data['settings']['application']['extract_title_as_title'] or watch['extract_title_as_title']:
|
|
|
|
|
if not watch['title'] or not len(watch['title']):
|
|
|
|
|
update_obj['title'] = html_tools.extract_element(find='title', html_content=fetcher.content)
|
|
|
|
|
|
|
|
|
|
if self.datastore.data['settings']['application'].get('real_browser_save_screenshot', True):
|
|
|
|
|
screenshot = fetcher.screenshot()
|
|
|
|
|
if self.datastore.data['settings']['application'].get('real_browser_save_screenshot', True):
|
|
|
|
|
screenshot = fetcher.screenshot()
|
|
|
|
|
|
|
|
|
|
fetcher.quit()
|
|
|
|
|
fetcher.quit()
|
|
|
|
|
|
|
|
|
|
return changed_detected, update_obj, text_content_before_ignored_filter, screenshot
|
|
|
|
|
|
dgtlmoon
3 years ago
committed by
GitHub