Add canonical e-mail blocks for suspended accounts (#16049)
Prevent new accounts from being created using the same underlying e-mail as a suspended account using extensions and period permutations. Stores e-mails as a SHA256 hash
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9 changed files with 172 additions and 21 deletions
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@ -235,6 +235,7 @@ class Account < ApplicationRecord
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transaction do
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create_deletion_request!
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update!(suspended_at: date, suspension_origin: origin)
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create_canonical_email_block!
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end
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end
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@ -242,6 +243,7 @@ class Account < ApplicationRecord
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transaction do
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deletion_request&.destroy!
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update!(suspended_at: nil, suspension_origin: nil)
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destroy_canonical_email_block!
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end
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end
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@ -569,4 +571,16 @@ class Account < ApplicationRecord
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def clean_feed_manager
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FeedManager.instance.clean_feeds!(:home, [id])
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end
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def create_canonical_email_block!
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return unless local? && user_email.present?
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CanonicalEmailBlock.create(reference_account: self, email: user_email)
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end
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def destroy_canonical_email_block!
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return unless local?
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CanonicalEmailBlock.where(reference_account: self).delete_all
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end
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end
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27
app/models/canonical_email_block.rb
Normal file
27
app/models/canonical_email_block.rb
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@ -0,0 +1,27 @@
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# frozen_string_literal: true
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# == Schema Information
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#
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# Table name: canonical_email_blocks
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#
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# id :bigint(8) not null, primary key
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# canonical_email_hash :string default(""), not null
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# reference_account_id :bigint(8) not null
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# created_at :datetime not null
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# updated_at :datetime not null
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#
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class CanonicalEmailBlock < ApplicationRecord
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include EmailHelper
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belongs_to :reference_account, class_name: 'Account'
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validates :canonical_email_hash, presence: true
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def email=(email)
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self.canonical_email_hash = email_to_canonical_email_hash(email)
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end
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def self.block?(email)
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where(canonical_email_hash: email_to_canonical_email_hash(email)).exists?
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end
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end
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