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Primitive spam filter

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This commit is contained in:
Rick Okin 2005-08-09 01:58:16 +00:00
parent 9f36bd59a9
commit 7ab0f052f3
2 changed files with 34 additions and 1 deletions
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24
app/controllers/wiki_controller.rb
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@ -176,6 +176,9 @@ class WikiController < ApplicationController
cookies['author'] = @params['author']
begin
check_for_spam(@params['content'], remote_ip)
check_blocked_ips(remote_ip)
if @page
wiki.revise_page(@web_name, @page_name, @params['content'], Time.now,
Author.new(@params['author'], remote_ip))
@ -227,7 +230,26 @@ class WikiController < ApplicationController
private
def check_blocked_ips(ip)
if defined? BLOCKED_IPS and not BLOCKED_IPS.nil?
BLOCKED_IPS.each do |blocked_ip|
raise Instiki::ValidationError.new('Revision rejected by spam filter') if ip == blocked_ip
end
end
end
def check_for_spam(new_content, ip)
if defined? SPAM_PATTERNS and not SPAM_PATTERNS.nil?
SPAM_PATTERNS.each do |pattern|
if new_content =~ pattern
logger.info "Spam attempt from IP address #{ip}"
raise Instiki::ValidationError.new('Revision rejected by spam filter')
end
end
end
end
def convert_tex_to_pdf(tex_path)
# TODO remove earlier PDF files with the same prefix
# TODO handle gracefully situation where pdflatex is not available