FEATURE: optional regex to be applied against first posts
for spam prevention you can add a regex to auto_block_first_post_regex this will be applied against all first posts, if it matches post will go into the approval queue and user will be blocked
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@ -1080,6 +1080,7 @@ en:
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min_first_post_typing_time: "Minimum amount of time in milliseconds a user must type during first post, if threshold is not met post will automatically enter the needs approval queue. Set to 0 to disable (not recommended)"
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auto_block_fast_typers_on_first_post: "Automatically block users that do not meet min_first_post_typing_time"
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auto_block_fast_typers_max_trust_level: "Maximum trust level to auto block fast typers"
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auto_block_first_post_regex: "Case insensitive regex that if passed will cause first post by user to be blocked and sent to approval queue. Example: raging|a[bc]a , will cause all posts containing raging or aba or aca to be blocked on first. Only applies to first post."
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reply_by_email_enabled: "Enable replying to topics via email."
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reply_by_email_address: "Template for reply by email incoming email address, for example: %{reply_key}@reply.example.com or replies+%{reply_key}@example.com"
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@ -683,6 +683,7 @@ spam:
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min_first_post_typing_time: 3000
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auto_block_fast_typers_on_first_post: true
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auto_block_fast_typers_max_trust_level: 0
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auto_block_first_post_regex: ""
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rate_limits:
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unique_posts_mins:
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@ -28,15 +28,40 @@ class NewPostManager
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@sorted_handlers.sort_by! {|h| -h[:priority]}
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end
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def self.is_fast_typer?(manager)
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def self.is_first_post?(manager)
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user = manager.user
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args = manager.args
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args[:first_post_checks] &&
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user.post_count == 0 &&
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user.post_count == 0
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end
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def self.is_fast_typer?(manager)
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args = manager.args
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is_first_post?(manager) &&
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args[:typing_duration_msecs].to_i < SiteSetting.min_first_post_typing_time
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end
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def self.matches_auto_block_regex?(manager)
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args = manager.args
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pattern = SiteSetting.auto_block_first_post_regex
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return false unless pattern.present?
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return false unless is_first_post?(manager)
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begin
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regex = Regexp.new(pattern, Regexp::IGNORECASE)
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rescue => e
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Rails.logger.warn "Invalid regex in auto_block_first_post_regex #{e}"
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return false
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end
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"#{args[:title]} #{args[:raw]}" =~ regex
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end
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def self.user_needs_approval?(manager)
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user = manager.user
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@ -44,7 +69,8 @@ class NewPostManager
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(user.post_count < SiteSetting.approve_post_count) ||
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(user.trust_level < SiteSetting.approve_unless_trust_level.to_i) ||
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is_fast_typer?(manager)
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is_fast_typer?(manager) ||
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matches_auto_block_regex?(manager)
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end
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def self.default_handler(manager)
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@ -52,13 +78,13 @@ class NewPostManager
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result = manager.enqueue('default')
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if is_fast_typer?(manager) &&
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SiteSetting.auto_block_fast_typers_on_first_post &&
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SiteSetting.auto_block_fast_typers_max_trust_level <= manager.user.trust_level
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block = is_fast_typer?(manager) &&
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SiteSetting.auto_block_fast_typers_on_first_post &&
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SiteSetting.auto_block_fast_typers_max_trust_level <= manager.user.trust_level
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manager.user.update_columns(blocked: true)
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block ||= matches_auto_block_regex?(manager)
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end
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manager.user.update_columns(blocked: true) if block
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result
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@ -505,6 +505,20 @@ describe PostsController do
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end
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it 'blocks correctly based on auto_block_first_post_regex' do
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SiteSetting.auto_block_first_post_regex = "I love candy|i eat s[1-5]"
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xhr :post, :create, {raw: 'this is the test content', title: 'when I eat s3 sometimes when not looking'}
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expect(response).to be_success
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parsed = ::JSON.parse(response.body)
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expect(parsed["action"]).to eq("enqueued")
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user.reload
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expect(user.blocked).to eq(true)
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end
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it 'creates the post' do
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xhr :post, :create, {raw: 'this is the test content', title: 'this is the test title for the topic'}
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