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added admin functions (remove spam content)

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use efficient sql SELECT for frontpage poll list
added link counter for spam detection
improve efficiency of post deletion by using sqlobject's "cascade" attribute
This commit is contained in:
lars 2013-02-22 01:19:32 +00:00
parent 4b089f4494
commit fa37629d2c
1 changed files with 68 additions and 38 deletions
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106
wortschlucker/src/wortschlucker.py
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@ -43,7 +43,6 @@ loader = genshi.template.TemplateLoader(os.path.join(BASE_DIR, 'templates'), aut
BLOG_DIR = os.path.join(BASE_DIR, "blog")
BASE_DICT = {
"base_url": "/", # the trailing slash is necessary
"show_navbar": True,
@ -51,6 +50,7 @@ BASE_DICT = {
"authlevel": "public", #authentiction level of template: one of "public" (e.g. frontpage), "poll_public" (e.g. poll_details),"poll_admin" (poll_admin_details","admin" (admin interface)
}
# used as the default setting for expose/close dates
DEFAULT_DAYS_AHEAD = 7
DATE_FORMAT = "%d.%m.%Y"
@ -85,7 +85,7 @@ POLL_SETTING_TEMPLATES = {
class ContentSubmission(sqlobject.SQLObject):
submitter = sqlobject.UnicodeCol()
content = sqlobject.UnicodeCol()
poll_id = sqlobject.ForeignKey("Poll")
poll_id = sqlobject.ForeignKey("Poll", cascade=True)
timestamp_creation = sqlobject.DateTimeCol()
def get_creation_time_string(self):
@ -133,20 +133,20 @@ class Profile(sqlobject.SQLObject):
class ProfilePolls(sqlobject.SQLObject):
user = sqlobject.ForeignKey("Profile")
poll = sqlobject.ForeignKey("Poll")
user = sqlobject.ForeignKey("Profile", cascade=True)
poll = sqlobject.ForeignKey("Poll", cascade=True)
is_admin = sqlobject.BoolCol()
class PollSetting(sqlobject.SQLObject):
poll_id = sqlobject.ForeignKey("Poll")
poll_id = sqlobject.ForeignKey("Poll", cascade=True)
key = sqlobject.UnicodeCol()
value = sqlobject.UnicodeCol()
class PollRelation(sqlobject.SQLObject):
first = sqlobject.ForeignKey("Poll")
second = sqlobject.ForeignKey("Poll")
first = sqlobject.ForeignKey("Poll", cascade=True)
second = sqlobject.ForeignKey("Poll", cascade=True)
class Poll(sqlobject.SQLObject):
@ -252,15 +252,6 @@ class Poll(sqlobject.SQLObject):
def get_submissions(self):
return ContentSubmission.selectBy(poll_id=self.id).orderBy("timestamp_creation")
def delete_poll(self):
submissions = ContentSubmission.selectBy(poll_id=self.id)
settings = PollSetting.selectBy(poll_id=self.id)
for submission in submissions:
submission.destroySelf()
for setting in settings:
setting.destroySelf()
self.destroySelf()
def get_url(self, absolute=False):
return get_url_string("%s%s" % (BASE_DICT["base_url"], self.hash_key), absolute)
@ -589,13 +580,16 @@ def is_spam_submitter_name(name, errors_dict):
else:
return False
def is_spam_content(text, errors_dict):
def count_urls(text, errors_dict):
hits = re.findall(r"(\swww\.|http://|https://)", text)
return len(hits)
def check_spam_content(text):
if re.search(r"(<a\s|\shref=|</a>)", text.lower()):
errors_dict["content"] = \
"Spam-Verdacht: Inhalt darf keine HTML-Tags enthalten"
return True
else:
return False
if count_urls(text) > 2:
return True
return False
@bobo.query('/profile/logout')
def user_logout(bobo_request):
@ -866,7 +860,11 @@ def submit_content(bobo_request, hash_key=None, submitter=None, content=None):
value_dict["errors"] = {}
value_dict["authlevel"] = "poll_public"
data = {}
if content and (not is_spam_content(content, value_dict["errors"])):
if content and check_spam_content(content):
value_dict["errors"]["content"] = \
"Spam-Verdacht: Inhalt darf keine HTML-Tags und nicht " + \
"zuviele Links enthalten"
else:
data["content"] = content
if submitter and (not is_spam_submitter_name(submitter, value_dict["errors"])):
data["submitter"] = submitter
@ -899,7 +897,7 @@ def delete_poll(bobo_request, admin_hash_key=None):
admin_poll_id = get_poll_admin_id(admin_hash_key)
if not admin_poll_id is None:
poll = Poll.get(admin_poll_id)
poll.delete_poll()
poll.destroySelf()
return bobo.redirect(BASE_DICT["base_url"])
@bobo.query('/:admin_hash_key/vote_enable')
@ -1111,15 +1109,21 @@ def serve_blog(bobo_request, blog_id=None):
value_dict["blog_list"] = blog_list
return render("blog_list.html", **value_dict)
def show_poll_list(bobo_request, render_file, page_size, page=None, filter_private=True):
value_dict = get_default_values(bobo_request)
polls = Poll.select().orderBy("-timestamp_creation")
# TODO: speed the filtering up by using SQL statements (see sqlobject "filter")
def show_poll_list(bobo_request, render_file, page_size, page=None,
filter_private=True, value_dict=None):
if value_dict is None:
value_dict = {}
value_dict.update(get_default_values(bobo_request))
true_string = get_poll_setting_string("public", True)
if filter_private:
polls = [poll for poll in polls if poll.get_settings()["public"]]
polls = Poll.select(sqlobject.sqlbuilder.AND(
PollSetting.q.key == "public",
PollSetting.q.value == true_string,
PollSetting.q.poll_id == Poll.q.id))
else:
# convert the sql query into a list (probably an expensive operation)
polls = [poll for poll in polls]
polls = Poll.select()
polls = polls.orderBy("-timestamp_creation")
poll_count = polls.count()
if page is None:
page = 1
else:
@ -1130,15 +1134,16 @@ def show_poll_list(bobo_request, render_file, page_size, page=None, filter_priva
# "page" should at least be 1 - zero shows an empty list
page = max(1, page)
start = (page - 1) * page_size
if start >= len(polls):
start = len(polls) - page_size
page = (len(polls) + page_size - 1) / page_size
if start >= poll_count:
start = poll_count - page_size
page = (poll_count + page_size - 1) / page_size
end = start + page_size - 1
value_dict["polls"] = polls[start : end + 1]
# show a link for the next page, if more polls are available
value_dict["show_next_link"] = (end + 1 < len(polls))
value_dict["show_next_link"] = (end + 1 < poll_count)
value_dict["show_previous_link"] = (start > 0)
value_dict["page"] = page
value_dict["page_size"] = page_size
return render(render_file, **value_dict)
def render_poll_admin(bobo_request, poll, add_related, del_related, count, page, show_delete):
@ -1176,22 +1181,47 @@ def render_poll_admin(bobo_request, poll, add_related, del_related, count, page,
value_dict["authlevel"] = "poll_admin"
return render("poll_admin_details.html", **value_dict)
@bobo.query('/admin/maintenance')
def admin_maintenance(age_days=60, keyword="viagra", keyword_submission="viagra", method=None):
if method == "Remove old":
age_days = int(age_days)
now = datetime.datetime.now()
oldest = now - datetime.timedelta(days=age_days)
for poll in Poll.select(Poll.q.timestamp_creation < oldest):
if poll.get_num_of_submissions() == 0:
poll.destroySelf()
elif method == "Remove poll by keyword" and keyword:
keyword = keyword.lower()
for poll in Poll.select():
if (keyword in poll.title.lower()) or (keyword in poll.description.lower()):
poll.destroySelf()
elif method == "Remove submission by keyword" and keyword:
keyword = keyword_submission.lower()
for submission in ContentSubmission.select():
if keyword in submission.content.lower():
submission.destroySelf()
return bobo.redirect("../admin")
@bobo.query('/admin')
@bobo.query('/admin/')
@bobo.query('/admin/page/:page')
def show_admin_page(bobo_request, page=None, page_size=20):
def show_admin_page(bobo_request, page=None, page_size=50):
try:
page_size = int(page_size)
except ValueError:
page_size = 30
return show_poll_list(bobo_request, "admin.html", page_size, page, filter_private=False)
page_size = 50
value_dict = {}
value_dict["poll_table"] = Poll
value_dict["submission_table"] = ContentSubmission
return show_poll_list(bobo_request, "admin.html", page_size, page=page,
filter_private=False, value_dict=value_dict)
@bobo.query('/')
@bobo.query('/public')
@bobo.query('/public/')
@bobo.query('/public/page/:page')
def show_frontpage(bobo_request, page=None):
return show_poll_list(bobo_request, "frontpage.html", 20, page)
return show_poll_list(bobo_request, "frontpage.html", 20, page=page)
@bobo.query('')
def base():