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Remove bundled akismet in favor of pypi package dependency, for #687

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Garret Wassermann 2019-01-01 19:55:08 -05:00
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commit 760c9d64dd
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373
helpdesk/akismet.py
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@ -1,373 +0,0 @@
# Version 0.2.0
# 2009/06/18
# Copyright Michael Foord 2005-2009
# akismet.py
# Python interface to the akismet API
# E-mail fuzzyman@voidspace.org.uk
# http://www.voidspace.org.uk/python/modules.shtml
# http://akismet.com
# Released subject to the BSD License
# See http://www.voidspace.org.uk/python/license.shtml
# Updated by django-helpdesk developers, 2018
# to be compatible with python 3
"""
A python interface to the `Akismet <http://akismet.com>`_ API.
This is a web service for blocking SPAM comments to blogs - or other online
services.
You will need a Wordpress API key, from `wordpress.com <http://wordpress.com>`_.
You should pass in the keyword argument 'agent' to the name of your program,
when you create an Akismet instance. This sets the ``user-agent`` to a useful
value.
The default is::
Python Interface by Fuzzyman | akismet.py/0.2.0
Whatever you pass in, will replace the *Python Interface by Fuzzyman* part.
**0.2.0** will change with the version of this interface.
Usage example::
from akismet import Akismet
api = Akismet(agent='Test Script')
# if apikey.txt is in place,
# the key will automatically be set
# or you can call api.setAPIKey()
#
if api.key is None:
print >> sys.stderr, "No 'apikey.txt' file."
elif not api.verify_key():
print >> sys.stderr, "The API key is invalid."
else:
# data should be a dictionary of values
# They can all be filled in with defaults
# from a CGI environment
if api.comment_check(comment, data):
print >> sys.stderr, 'This comment is spam.'
else:
print >> sys.stderr, 'This comment is ham.'
"""
import os
try:
from urllib import urlencode # python2
except ImportError:
from urllib.parse import urlencode # python3
import socket
if hasattr(socket, 'setdefaulttimeout'):
# Set the default timeout on sockets to 5 seconds
socket.setdefaulttimeout(5)
__version__ = '0.2.0'
__all__ = (
'__version__',
'Akismet',
'AkismetError',
'APIKeyError',
)
__author__ = 'Michael Foord <fuzzyman AT voidspace DOT org DOT uk>'
__docformat__ = "restructuredtext en"
user_agent = "%s | akismet.py/%s"
DEFAULTAGENT = 'Python Interface by Fuzzyman/%s'
isfile = os.path.isfile
urllib2 = None
try:
from google.appengine.api import urlfetch
except ImportError:
import urllib2
if urllib2 is None:
def _fetch_url(url, data, headers):
req = urlfetch.fetch(url=url, payload=data, method=urlfetch.POST, headers=headers)
if req.status_code == 200:
return req.content
raise Exception('Could not fetch Akismet URL: %s Response code: %s' %
(url, req.status_code))
else:
def _fetch_url(url, data, headers):
req = urllib2.Request(url, data, headers)
h = urllib2.urlopen(req)
resp = h.read()
return resp
class AkismetError(Exception):
"""Base class for all akismet exceptions."""
pass
class APIKeyError(AkismetError):
"""Invalid API key."""
pass
class Akismet(object):
"""A class for working with the akismet API"""
baseurl = 'rest.akismet.com/1.1/'
def __init__(self, key=None, blog_url=None, agent=None):
"""Automatically calls ``setAPIKey``."""
if agent is None:
agent = DEFAULTAGENT % __version__
self.user_agent = user_agent % (agent, __version__)
self.setAPIKey(key, blog_url)
def _getURL(self):
"""
Fetch the url to make requests to.
This comprises of api key plus the baseurl.
"""
return 'http://%s.%s' % (self.key, self.baseurl)
def _safeRequest(self, url, data, headers):
try:
resp = _fetch_url(url, data, headers)
except Exception as e:
raise AkismetError(str(e))
return resp
def setAPIKey(self, key=None, blog_url=None):
"""
Set the wordpress API key for all transactions.
If you don't specify an explicit API ``key`` and ``blog_url`` it will
attempt to load them from a file called ``apikey.txt`` in the current
directory.
This method is *usually* called automatically when you create a new
``Akismet`` instance.
"""
if key is None and isfile('apikey.txt'):
the_file = [l.strip() for l in open('apikey.txt').readlines()
if l.strip() and not l.strip().startswith('#')]
try:
self.key = the_file[0]
self.blog_url = the_file[1]
except IndexError:
raise APIKeyError("Your 'apikey.txt' is invalid.")
else:
self.key = key
self.blog_url = blog_url
def verify_key(self):
"""
This equates to the ``verify-key`` call against the akismet API.
It returns ``True`` if the key is valid.
The docs state that you *ought* to call this at the start of the
transaction.
It raises ``APIKeyError`` if you have not yet set an API key.
If the connection to akismet fails, it allows the normal ``HTTPError``
or ``URLError`` to be raised.
(*akismet.py* uses `urllib2 <http://docs.python.org/lib/module-urllib2.html>`_)
"""
if self.key is None:
raise APIKeyError("Your have not set an API key.")
data = {'key': self.key, 'blog': self.blog_url}
# this function *doesn't* use the key as part of the URL
url = 'http://%sverify-key' % self.baseurl
# we *don't* trap the error here
# so if akismet is down it will raise an HTTPError or URLError
headers = {'User-Agent': self.user_agent}
resp = self._safeRequest(url, urlencode(data), headers)
if resp.lower() == 'valid':
return True
else:
return False
def _build_data(self, comment, data):
"""
This function builds the data structure required by ``comment_check``,
``submit_spam``, and ``submit_ham``.
It modifies the ``data`` dictionary you give it in place. (and so
doesn't return anything)
It raises an ``AkismetError`` if the user IP or user-agent can't be
worked out.
"""
data['comment_content'] = comment
if 'user_ip' not in data:
try:
val = os.environ['REMOTE_ADDR']
except KeyError:
raise AkismetError("No 'user_ip' supplied")
data['user_ip'] = val
if 'user_agent' not in data:
try:
val = os.environ['HTTP_USER_AGENT']
except KeyError:
raise AkismetError("No 'user_agent' supplied")
data['user_agent'] = val
#
data.setdefault('referrer', os.environ.get('HTTP_REFERER', 'unknown'))
data.setdefault('permalink', '')
data.setdefault('comment_type', 'comment')
data.setdefault('comment_author', '')
data.setdefault('comment_author_email', '')
data.setdefault('comment_author_url', '')
data.setdefault('SERVER_ADDR', os.environ.get('SERVER_ADDR', ''))
data.setdefault('SERVER_ADMIN', os.environ.get('SERVER_ADMIN', ''))
data.setdefault('SERVER_NAME', os.environ.get('SERVER_NAME', ''))
data.setdefault('SERVER_PORT', os.environ.get('SERVER_PORT', ''))
data.setdefault('SERVER_SIGNATURE', os.environ.get('SERVER_SIGNATURE', ''))
data.setdefault('SERVER_SOFTWARE', os.environ.get('SERVER_SOFTWARE', ''))
data.setdefault('HTTP_ACCEPT', os.environ.get('HTTP_ACCEPT', ''))
data.setdefault('blog', self.blog_url)
def comment_check(self, comment, data=None, build_data=True, DEBUG=False):
"""
This is the function that checks comments.
It returns ``True`` for spam and ``False`` for ham.
If you set ``DEBUG=True`` then it will return the text of the response,
instead of the ``True`` or ``False`` object.
It raises ``APIKeyError`` if you have not yet set an API key.
If the connection to Akismet fails then the ``HTTPError`` or
``URLError`` will be propogated.
As a minimum it requires the body of the comment. This is the
``comment`` argument.
Akismet requires some other arguments, and allows some optional ones.
The more information you give it, the more likely it is to be able to
make an accurate diagnosise.
You supply these values using a mapping object (dictionary) as the
``data`` argument.
If ``build_data`` is ``True`` (the default), then *akismet.py* will
attempt to fill in as much information as possible, using default
values where necessary. This is particularly useful for programs
running in a {acro;CGI} environment. A lot of useful information
can be supplied from evironment variables (``os.environ``). See below.
You *only* need supply values for which you don't want defaults filled
in for. All values must be strings.
There are a few required values. If they are not supplied, and
defaults can't be worked out, then an ``AkismetError`` is raised.
If you set ``build_data=False`` and a required value is missing an
``AkismetError`` will also be raised.
The normal values (and defaults) are as follows : ::
'user_ip': os.environ['REMOTE_ADDR'] (*)
'user_agent': os.environ['HTTP_USER_AGENT'] (*)
'referrer': os.environ.get('HTTP_REFERER', 'unknown') [#]_
'permalink': ''
'comment_type': 'comment' [#]_
'comment_author': ''
'comment_author_email': ''
'comment_author_url': ''
'SERVER_ADDR': os.environ.get('SERVER_ADDR', '')
'SERVER_ADMIN': os.environ.get('SERVER_ADMIN', '')
'SERVER_NAME': os.environ.get('SERVER_NAME', '')
'SERVER_PORT': os.environ.get('SERVER_PORT', '')
'SERVER_SIGNATURE': os.environ.get('SERVER_SIGNATURE', '')
'SERVER_SOFTWARE': os.environ.get('SERVER_SOFTWARE', '')
'HTTP_ACCEPT': os.environ.get('HTTP_ACCEPT', '')
(*) Required values
You may supply as many additional 'HTTP_*' type values as you wish.
These should correspond to the http headers sent with the request.
.. [#] Note the spelling "referrer". This is a required value by the
akismet api - however, referrer information is not always
supplied by the browser or server. In fact the HTTP protocol
forbids relying on referrer information for functionality in
programs.
.. [#] The `API docs <http://akismet.com/development/api/>`_ state that this value
can be " *blank, comment, trackback, pingback, or a made up value*
*like 'registration'* ".
"""
if self.key is None:
raise APIKeyError("Your have not set an API key.")
if data is None:
data = {}
if build_data:
self._build_data(comment, data)
if 'blog' not in data:
data['blog'] = self.blog_url
url = '%scomment-check' % self._getURL()
# we *don't* trap the error here
# so if akismet is down it will raise an HTTPError or URLError
headers = {'User-Agent': self.user_agent}
resp = self._safeRequest(url, urlencode(data), headers)
if DEBUG:
return resp
resp = resp.lower()
if resp == 'true':
return True
elif resp == 'false':
return False
else:
# NOTE: Happens when you get a 'howdy wilbur' response !
raise AkismetError('missing required argument.')
def submit_spam(self, comment, data=None, build_data=True):
"""
This function is used to tell akismet that a comment it marked as ham,
is really spam.
It takes all the same arguments as ``comment_check``, except for
*DEBUG*.
"""
if self.key is None:
raise APIKeyError("Your have not set an API key.")
if data is None:
data = {}
if build_data:
self._build_data(comment, data)
url = '%ssubmit-spam' % self._getURL()
# we *don't* trap the error here
# so if akismet is down it will raise an HTTPError or URLError
headers = {'User-Agent': self.user_agent}
self._safeRequest(url, urlencode(data), headers)
def submit_ham(self, comment, data=None, build_data=True):
"""
This function is used to tell akismet that a comment it marked as spam,
is really ham.
It takes all the same arguments as ``comment_check``, except for
*DEBUG*.
"""
if self.key is None:
raise APIKeyError("Your have not set an API key.")
if data is None:
data = {}
if build_data:
self._build_data(comment, data)
url = '%ssubmit-ham' % self._getURL()
# we *don't* trap the error here
# so if akismet is down it will raise an HTTPError or URLError
headers = {'User-Agent': self.user_agent}
self._safeRequest(url, urlencode(data), headers)

2
helpdesk/lib.py
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@ -167,7 +167,7 @@ def text_is_spam(text, request):
from django.contrib.sites.models import Site from django.contrib.sites.models import Site
from django.core.exceptions import ImproperlyConfigured from django.core.exceptions import ImproperlyConfigured
try: try:
from helpdesk.akismet import Akismet from akismet import Akismet
except ImportError: except ImportError:
return False return False
try: try:

1
requirements.txt
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@ -3,6 +3,7 @@ django-bootstrap4-form
celery celery
django-celery-beat django-celery-beat
email-reply-parser email-reply-parser
akismet
django-markdown-deux django-markdown-deux
beautifulsoup4 beautifulsoup4
lxml lxml