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sanasto-wiki/app/controllers/concerns/bot_blocker.rb
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block bots
2026-01-30 08:52:17 +01:00

57 lines
1.6 KiB
Ruby

module BotBlocker
extend ActiveSupport::Concern
included do
before_action :block_bots
end
private
def block_bots
return unless bot_request?
render plain: "Bot access is not allowed", status: :forbidden
end
def bot_request?
user_agent = request.user_agent.to_s.downcase
# List of known bot user agents
bot_patterns = [
'gptbot', # OpenAI GPTBot
'chatgpt', # ChatGPT
'claude-web', # Anthropic Claude
'bingbot', # Microsoft Bing
'googlebot', # Google
'baiduspider', # Baidu
'yandexbot', # Yandex
'duckduckbot', # DuckDuckGo
'slurp', # Yahoo
'facebookexternalhit', # Facebook
'twitterbot', # Twitter
'linkedinbot', # LinkedIn
'whatsapp', # WhatsApp
'telegrambot', # Telegram
'slackbot', # Slack
'discordbot', # Discord
'applebot', # Apple
'ia_archiver', # Alexa/Internet Archive
'petalbot', # Huawei
'seznambot', # Seznam
'ahrefsbot', # Ahrefs
'semrushbot', # SEMrush
'mj12bot', # Majestic
'dotbot', # OpenSiteExplorer
'rogerbot', # Moz
'exabot', # Exalead
'facebot', # Facebook
'spider', # Generic spiders
'crawler', # Generic crawlers
'scraper', # Generic scrapers
'bot', # Generic bots (last resort)
]
bot_patterns.any? { |pattern| user_agent.include?(pattern) }
end
end