chore: Improve rack-attack configuration (#5389)

fixes: https://github.com/chatwoot/product/issues/540
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Sojan Jose 2022-09-02 23:09:03 +05:30 committed by GitHub
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@ -24,6 +24,12 @@ class Rack::Attack
allowed_ips = ['127.0.0.1', '::1']
allowed_ips.include?(remote_ip)
end
# Rails would allow requests to paths with extentions, so lets compare against the path with extention stripped
# example /auth & /auth.json would both work
def path_without_extentions
path[/^[^.]+/]
end
end
### Throttle Spammy Clients ###
@ -42,50 +48,61 @@ class Rack::Attack
throttle('req/ip', limit: 300, period: 1.minute, &:ip)
### Prevent Brute-Force Login Attacks ###
throttle('login/ip', limit: 5, period: 20.seconds) do |req|
req.ip if req.path == '/auth/sign_in' && req.post?
### Prevent Brute-Force Super Admin Login Attacks ###
throttle('super_admin_login/ip', limit: 5, period: 5.minutes) do |req|
req.ip if req.path_without_extentions == '/super_admin/sign_in' && req.post?
end
throttle('super_admin_login/email', limit: 5, period: 15.minutes) do |req|
if req.path_without_extentions == '/super_admin/sign_in' && req.post?
# NOTE: This line used to throw ArgumentError /rails/action_mailbox/sendgrid/inbound_emails : invalid byte sequence in UTF-8
# Hence placed in the if block
# ref: https://github.com/rack/rack-attack/issues/399
email = req.params['email'].presence || ActionDispatch::Request.new(req.env).params['email'].presence
email.to_s.downcase.gsub(/\s+/, '')
end
end
# ### Prevent Brute-Force Login Attacks ###
throttle('login/ip', limit: 5, period: 5.minutes) do |req|
req.ip if req.path_without_extentions == '/auth/sign_in' && req.post?
end
throttle('login/email', limit: 10, period: 15.minutes) do |req|
if req.path_without_extentions == '/auth/sign_in' && req.post?
# ref: https://github.com/rack/rack-attack/issues/399
# NOTE: This line used to throw ArgumentError /rails/action_mailbox/sendgrid/inbound_emails : invalid byte sequence in UTF-8
# Hence placed in the if block
email = req.params['email'].presence || ActionDispatch::Request.new(req.env).params['email'].presence
email.to_s.downcase.gsub(/\s+/, '')
end
end
## Reset password throttling
throttle('reset_password/ip', limit: 5, period: 30.minutes) do |req|
req.ip if req.path_without_extentions == '/auth/password' && req.post?
end
throttle('reset_password/email', limit: 5, period: 1.hour) do |req|
if req.path_without_extentions == '/auth/password' && req.post?
email = req.params['email'].presence || ActionDispatch::Request.new(req.env).params['email'].presence
email.to_s.downcase.gsub(/\s+/, '')
end
end
## Prevent Brute-Force Signup Attacks ###
throttle('accounts/ip', limit: 5, period: 5.minutes) do |req|
req.ip if req.path == '/api/v1/accounts' && req.post?
throttle('accounts/ip', limit: 5, period: 30.minutes) do |req|
req.ip if req.path_without_extentions == '/api/v1/accounts' && req.post?
end
## Prevent Conversation Bombing on Widget APIs ###
throttle('api/v1/widget/conversations', limit: 6, period: 12.hours) do |req|
req.ip if req.path == '/api/v1/widget/conversations' && req.post?
req.ip if req.path_without_extentions == '/api/v1/widget/conversations' && req.post?
end
## Prevent Contact update Bombing in Widget API ###
throttle('api/v1/widget/contacts', limit: 60, period: 1.hour) do |req|
req.ip if req.path == '/api/v1/widget/contacts' && (req.patch? || req.put?)
end
# ref: https://github.com/rack/rack-attack/issues/399
throttle('login/email', limit: 20, period: 5.minutes) do |req|
if req.path == '/auth/sign_in' && req.post?
# NOTE: This line used to throw ArgumentError /rails/action_mailbox/sendgrid/inbound_emails : invalid byte sequence in UTF-8
# Hence placed in the if block
email = req.params['email'].presence || ActionDispatch::Request.new(req.env).params['email'].presence
email.to_s.downcase.gsub(/\s+/, '')
end
end
throttle('super_admin_login/email', limit: 20, period: 5.minutes) do |req|
if req.path == '/super_admin/sign_in' && req.post?
# NOTE: This line used to throw ArgumentError /rails/action_mailbox/sendgrid/inbound_emails : invalid byte sequence in UTF-8
# Hence placed in the if block
email = req.params['email'].presence || ActionDispatch::Request.new(req.env).params['email'].presence
email.to_s.downcase.gsub(/\s+/, '')
end
end
throttle('reset_password/email', limit: 5, period: 1.hour) do |req|
if req.path == '/auth/password' && req.post?
email = req.params['email'].presence || ActionDispatch::Request.new(req.env).params['email'].presence
email.to_s.downcase.gsub(/\s+/, '')
end
req.ip if req.path_without_extentions == '/api/v1/widget/contacts' && (req.patch? || req.put?)
end
end