You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
428 lines
17 KiB
428 lines
17 KiB
import re
|
|
|
|
from wtforms import (
|
|
BooleanField,
|
|
Field,
|
|
Form,
|
|
IntegerField,
|
|
PasswordField,
|
|
RadioField,
|
|
SelectField,
|
|
StringField,
|
|
SubmitField,
|
|
TextAreaField,
|
|
fields,
|
|
validators,
|
|
widgets,
|
|
)
|
|
from wtforms.validators import ValidationError
|
|
|
|
from changedetectionio import content_fetcher
|
|
from changedetectionio.notification import (
|
|
default_notification_body,
|
|
default_notification_format,
|
|
default_notification_title,
|
|
valid_notification_formats,
|
|
)
|
|
|
|
from wtforms.fields import FormField
|
|
|
|
valid_method = {
|
|
'GET',
|
|
'POST',
|
|
'PUT',
|
|
'PATCH',
|
|
'DELETE',
|
|
}
|
|
|
|
default_method = 'GET'
|
|
|
|
|
|
class StringListField(StringField):
|
|
widget = widgets.TextArea()
|
|
|
|
def _value(self):
|
|
if self.data:
|
|
# ignore empty lines in the storage
|
|
data = list(filter(lambda x: len(x.strip()), self.data))
|
|
# Apply strip to each line
|
|
data = list(map(lambda x: x.strip(), data))
|
|
return "\r\n".join(data)
|
|
else:
|
|
return u''
|
|
|
|
# incoming
|
|
def process_formdata(self, valuelist):
|
|
if valuelist and len(valuelist[0].strip()):
|
|
# Remove empty strings, stripping and splitting \r\n, only \n etc.
|
|
self.data = valuelist[0].splitlines()
|
|
# Remove empty lines from the final data
|
|
self.data = list(filter(lambda x: len(x.strip()), self.data))
|
|
else:
|
|
self.data = []
|
|
|
|
|
|
class SaltyPasswordField(StringField):
|
|
widget = widgets.PasswordInput()
|
|
encrypted_password = ""
|
|
|
|
def build_password(self, password):
|
|
import base64
|
|
import hashlib
|
|
import secrets
|
|
|
|
# Make a new salt on every new password and store it with the password
|
|
salt = secrets.token_bytes(32)
|
|
|
|
key = hashlib.pbkdf2_hmac('sha256', password.encode('utf-8'), salt, 100000)
|
|
store = base64.b64encode(salt + key).decode('ascii')
|
|
|
|
return store
|
|
|
|
# incoming
|
|
def process_formdata(self, valuelist):
|
|
if valuelist:
|
|
# Be really sure it's non-zero in length
|
|
if len(valuelist[0].strip()) > 0:
|
|
self.encrypted_password = self.build_password(valuelist[0])
|
|
self.data = ""
|
|
else:
|
|
self.data = False
|
|
|
|
class TimeBetweenCheckForm(Form):
|
|
weeks = IntegerField('Weeks', validators=[validators.Optional(), validators.NumberRange(min=0, message="Should contain zero or more seconds")])
|
|
days = IntegerField('Days', validators=[validators.Optional(), validators.NumberRange(min=0, message="Should contain zero or more seconds")])
|
|
hours = IntegerField('Hours', validators=[validators.Optional(), validators.NumberRange(min=0, message="Should contain zero or more seconds")])
|
|
minutes = IntegerField('Minutes', validators=[validators.Optional(), validators.NumberRange(min=0, message="Should contain zero or more seconds")])
|
|
seconds = IntegerField('Seconds', validators=[validators.Optional(), validators.NumberRange(min=0, message="Should contain zero or more seconds")])
|
|
# @todo add total seconds minimum validatior = minimum_seconds_recheck_time
|
|
|
|
# Separated by key:value
|
|
class StringDictKeyValue(StringField):
|
|
widget = widgets.TextArea()
|
|
|
|
def _value(self):
|
|
if self.data:
|
|
output = u''
|
|
for k in self.data.keys():
|
|
output += "{}: {}\r\n".format(k, self.data[k])
|
|
|
|
return output
|
|
else:
|
|
return u''
|
|
|
|
# incoming
|
|
def process_formdata(self, valuelist):
|
|
if valuelist:
|
|
self.data = {}
|
|
# Remove empty strings
|
|
cleaned = list(filter(None, valuelist[0].split("\n")))
|
|
for s in cleaned:
|
|
parts = s.strip().split(':', 1)
|
|
if len(parts) == 2:
|
|
self.data.update({parts[0].strip(): parts[1].strip()})
|
|
|
|
else:
|
|
self.data = {}
|
|
|
|
class ValidateContentFetcherIsReady(object):
|
|
"""
|
|
Validates that anything that looks like a regex passes as a regex
|
|
"""
|
|
def __init__(self, message=None):
|
|
self.message = message
|
|
|
|
def __call__(self, form, field):
|
|
import urllib3.exceptions
|
|
from changedetectionio import content_fetcher
|
|
|
|
# Better would be a radiohandler that keeps a reference to each class
|
|
if field.data is not None:
|
|
klass = getattr(content_fetcher, field.data)
|
|
some_object = klass()
|
|
try:
|
|
ready = some_object.is_ready()
|
|
|
|
except urllib3.exceptions.MaxRetryError as e:
|
|
driver_url = some_object.command_executor
|
|
message = field.gettext('Content fetcher \'%s\' did not respond.' % (field.data))
|
|
message += '<br/>' + field.gettext(
|
|
'Be sure that the selenium/webdriver runner is running and accessible via network from this container/host.')
|
|
message += '<br/>' + field.gettext('Did you follow the instructions in the wiki?')
|
|
message += '<br/><br/>' + field.gettext('WebDriver Host: %s' % (driver_url))
|
|
message += '<br/><a href="https://github.com/dgtlmoon/changedetection.io/wiki/Fetching-pages-with-WebDriver">Go here for more information</a>'
|
|
message += '<br/>'+field.gettext('Content fetcher did not respond properly, unable to use it.\n %s' % (str(e)))
|
|
|
|
raise ValidationError(message)
|
|
|
|
except Exception as e:
|
|
message = field.gettext('Content fetcher \'%s\' did not respond properly, unable to use it.\n %s')
|
|
raise ValidationError(message % (field.data, e))
|
|
|
|
|
|
class ValidateNotificationBodyAndTitleWhenURLisSet(object):
|
|
"""
|
|
Validates that they entered something in both notification title+body when the URL is set
|
|
Due to https://github.com/dgtlmoon/changedetection.io/issues/360
|
|
"""
|
|
|
|
def __init__(self, message=None):
|
|
self.message = message
|
|
|
|
def __call__(self, form, field):
|
|
if len(field.data):
|
|
if not len(form.notification_title.data) or not len(form.notification_body.data):
|
|
message = field.gettext('Notification Body and Title is required when a Notification URL is used')
|
|
raise ValidationError(message)
|
|
|
|
class ValidateAppRiseServers(object):
|
|
"""
|
|
Validates that each URL given is compatible with AppRise
|
|
"""
|
|
|
|
def __init__(self, message=None):
|
|
self.message = message
|
|
|
|
def __call__(self, form, field):
|
|
import apprise
|
|
apobj = apprise.Apprise()
|
|
|
|
for server_url in field.data:
|
|
if not apobj.add(server_url):
|
|
message = field.gettext('\'%s\' is not a valid AppRise URL.' % (server_url))
|
|
raise ValidationError(message)
|
|
|
|
class ValidateTokensList(object):
|
|
"""
|
|
Validates that a {token} is from a valid set
|
|
"""
|
|
def __init__(self, message=None):
|
|
self.message = message
|
|
|
|
def __call__(self, form, field):
|
|
from changedetectionio import notification
|
|
regex = re.compile('{.*?}')
|
|
for p in re.findall(regex, field.data):
|
|
if not p.strip('{}') in notification.valid_tokens:
|
|
message = field.gettext('Token \'%s\' is not a valid token.')
|
|
raise ValidationError(message % (p))
|
|
|
|
class validateURL(object):
|
|
|
|
"""
|
|
Flask wtform validators wont work with basic auth
|
|
"""
|
|
|
|
def __init__(self, message=None):
|
|
self.message = message
|
|
|
|
def __call__(self, form, field):
|
|
import validators
|
|
try:
|
|
validators.url(field.data.strip())
|
|
except validators.ValidationFailure:
|
|
message = field.gettext('\'%s\' is not a valid URL.' % (field.data.strip()))
|
|
raise ValidationError(message)
|
|
|
|
class ValidateListRegex(object):
|
|
"""
|
|
Validates that anything that looks like a regex passes as a regex
|
|
"""
|
|
def __init__(self, message=None):
|
|
self.message = message
|
|
|
|
def __call__(self, form, field):
|
|
|
|
for line in field.data:
|
|
if line[0] == '/' and line[-1] == '/':
|
|
# Because internally we dont wrap in /
|
|
line = line.strip('/')
|
|
try:
|
|
re.compile(line)
|
|
except re.error:
|
|
message = field.gettext('RegEx \'%s\' is not a valid regular expression.')
|
|
raise ValidationError(message % (line))
|
|
|
|
class ValidateCSSJSONXPATHInput(object):
|
|
"""
|
|
Filter validation
|
|
@todo CSS validator ;)
|
|
"""
|
|
|
|
def __init__(self, message=None, allow_xpath=True, allow_json=True):
|
|
self.message = message
|
|
self.allow_xpath = allow_xpath
|
|
self.allow_json = allow_json
|
|
|
|
def __call__(self, form, field):
|
|
|
|
if isinstance(field.data, str):
|
|
data = [field.data]
|
|
else:
|
|
data = field.data
|
|
|
|
for line in data:
|
|
# Nothing to see here
|
|
if not len(line.strip()):
|
|
return
|
|
|
|
# Does it look like XPath?
|
|
if line.strip()[0] == '/':
|
|
if not self.allow_xpath:
|
|
raise ValidationError("XPath not permitted in this field!")
|
|
from lxml import etree, html
|
|
tree = html.fromstring("<html></html>")
|
|
|
|
try:
|
|
tree.xpath(line.strip())
|
|
except etree.XPathEvalError as e:
|
|
message = field.gettext('\'%s\' is not a valid XPath expression. (%s)')
|
|
raise ValidationError(message % (line, str(e)))
|
|
except:
|
|
raise ValidationError("A system-error occurred when validating your XPath expression")
|
|
|
|
if 'json:' in line:
|
|
if not self.allow_json:
|
|
raise ValidationError("JSONPath not permitted in this field!")
|
|
|
|
from jsonpath_ng.exceptions import (
|
|
JsonPathLexerError,
|
|
JsonPathParserError,
|
|
)
|
|
from jsonpath_ng.ext import parse
|
|
|
|
input = line.replace('json:', '')
|
|
|
|
try:
|
|
parse(input)
|
|
except (JsonPathParserError, JsonPathLexerError) as e:
|
|
message = field.gettext('\'%s\' is not a valid JSONPath expression. (%s)')
|
|
raise ValidationError(message % (input, str(e)))
|
|
except:
|
|
raise ValidationError("A system-error occurred when validating your JSONPath expression")
|
|
|
|
# Re #265 - maybe in the future fetch the page and offer a
|
|
# warning/notice that its possible the rule doesnt yet match anything?
|
|
|
|
if 'jq:' in line:
|
|
if not self.allow_json:
|
|
raise ValidationError("jq not permitted in this field!")
|
|
|
|
import jq
|
|
input = line.replace('jq:', '')
|
|
|
|
try:
|
|
jq.compile(input)
|
|
except (ValueError) as e:
|
|
message = field.gettext('\'%s\' is not a valid jq expression. (%s)')
|
|
raise ValidationError(message % (input, str(e)))
|
|
except:
|
|
raise ValidationError("A system-error occurred when validating your jq expression")
|
|
|
|
|
|
class quickWatchForm(Form):
|
|
from . import fetch_processor
|
|
|
|
url = fields.URLField('URL', validators=[validateURL()])
|
|
tag = StringField('Group tag', [validators.Optional()])
|
|
fetch_processor = RadioField(u'Compare as', choices=fetch_processor.available_fetchers, default=fetch_processor.available_fetchers[0][0])
|
|
watch_submit_button = SubmitField('Watch', render_kw={"class": "pure-button pure-button-primary"})
|
|
edit_and_watch_submit_button = SubmitField('Edit > Watch', render_kw={"class": "pure-button pure-button-primary"})
|
|
|
|
|
|
# Common to a single watch and the global settings
|
|
class commonSettingsForm(Form):
|
|
notification_urls = StringListField('Notification URL list', validators=[validators.Optional(), ValidateAppRiseServers()])
|
|
notification_title = StringField('Notification title', validators=[validators.Optional(), ValidateTokensList()])
|
|
notification_body = TextAreaField('Notification body', validators=[validators.Optional(), ValidateTokensList()])
|
|
notification_format = SelectField('Notification format', choices=valid_notification_formats.keys())
|
|
fetch_backend = RadioField(u'Fetch method', choices=content_fetcher.available_fetchers(), validators=[ValidateContentFetcherIsReady()])
|
|
extract_title_as_title = BooleanField('Extract <title> from document and use as watch title', default=False)
|
|
webdriver_delay = IntegerField('Wait seconds before extracting text', validators=[validators.Optional(), validators.NumberRange(min=1,
|
|
message="Should contain one or more seconds")])
|
|
|
|
class watchForm(commonSettingsForm):
|
|
|
|
url = fields.URLField('URL', validators=[validateURL()])
|
|
tag = StringField('Group tag', [validators.Optional()], default='')
|
|
|
|
time_between_check = FormField(TimeBetweenCheckForm)
|
|
|
|
css_filter = StringField('CSS/JSON/XPATH Filter', [ValidateCSSJSONXPATHInput()], default='')
|
|
|
|
subtractive_selectors = StringListField('Remove elements', [ValidateCSSJSONXPATHInput(allow_xpath=False, allow_json=False)])
|
|
|
|
extract_text = StringListField('Extract text', [ValidateListRegex()])
|
|
|
|
title = StringField('Title', default='')
|
|
|
|
ignore_text = StringListField('Ignore text', [ValidateListRegex()])
|
|
headers = StringDictKeyValue('Request headers')
|
|
body = TextAreaField('Request body', [validators.Optional()])
|
|
method = SelectField('Request method', choices=valid_method, default=default_method)
|
|
ignore_status_codes = BooleanField('Ignore status codes (process non-2xx status codes as normal)', default=False)
|
|
check_unique_lines = BooleanField('Only trigger when new lines appear', default=False)
|
|
trigger_text = StringListField('Trigger/wait for text', [validators.Optional(), ValidateListRegex()])
|
|
text_should_not_be_present = StringListField('Block change-detection if text matches', [validators.Optional(), ValidateListRegex()])
|
|
|
|
webdriver_js_execute_code = TextAreaField('Execute JavaScript before change detection', render_kw={"rows": "5"}, validators=[validators.Optional()])
|
|
|
|
save_button = SubmitField('Save', render_kw={"class": "pure-button pure-button-primary"})
|
|
|
|
proxy = RadioField('Proxy')
|
|
filter_failure_notification_send = BooleanField(
|
|
'Send a notification when the filter can no longer be found on the page', default=False)
|
|
|
|
notification_muted = BooleanField('Notifications Muted / Off', default=False)
|
|
|
|
def validate(self, **kwargs):
|
|
if not super().validate():
|
|
return False
|
|
|
|
result = True
|
|
|
|
# Fail form validation when a body is set for a GET
|
|
if self.method.data == 'GET' and self.body.data:
|
|
self.body.errors.append('Body must be empty when Request Method is set to GET')
|
|
result = False
|
|
|
|
return result
|
|
|
|
|
|
# datastore.data['settings']['requests']..
|
|
class globalSettingsRequestForm(Form):
|
|
time_between_check = FormField(TimeBetweenCheckForm)
|
|
proxy = RadioField('Proxy')
|
|
jitter_seconds = IntegerField('Random jitter seconds ± check',
|
|
render_kw={"style": "width: 5em;"},
|
|
validators=[validators.NumberRange(min=0, message="Should contain zero or more seconds")])
|
|
|
|
# datastore.data['settings']['application']..
|
|
class globalSettingsApplicationForm(commonSettingsForm):
|
|
|
|
base_url = StringField('Base URL', validators=[validators.Optional()])
|
|
global_subtractive_selectors = StringListField('Remove elements', [ValidateCSSJSONXPATHInput(allow_xpath=False, allow_json=False)])
|
|
global_ignore_text = StringListField('Ignore Text', [ValidateListRegex()])
|
|
ignore_whitespace = BooleanField('Ignore whitespace')
|
|
removepassword_button = SubmitField('Remove password', render_kw={"class": "pure-button pure-button-primary"})
|
|
empty_pages_are_a_change = BooleanField('Treat empty pages as a change?', default=False)
|
|
render_anchor_tag_content = BooleanField('Render anchor tag content', default=False)
|
|
fetch_backend = RadioField('Fetch Method', default="html_requests", choices=content_fetcher.available_fetchers(), validators=[ValidateContentFetcherIsReady()])
|
|
api_access_token_enabled = BooleanField('API access token security check enabled', default=True, validators=[validators.Optional()])
|
|
password = SaltyPasswordField()
|
|
|
|
filter_failure_notification_threshold_attempts = IntegerField('Number of times the filter can be missing before sending a notification',
|
|
render_kw={"style": "width: 5em;"},
|
|
validators=[validators.NumberRange(min=0,
|
|
message="Should contain zero or more attempts")])
|
|
|
|
|
|
class globalSettingsForm(Form):
|
|
# Define these as FormFields/"sub forms", this way it matches the JSON storage
|
|
# datastore.data['settings']['application']..
|
|
# datastore.data['settings']['requests']..
|
|
|
|
requests = FormField(globalSettingsRequestForm)
|
|
application = FormField(globalSettingsApplicationForm)
|
|
save_button = SubmitField('Save', render_kw={"class": "pure-button pure-button-primary"})
|