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check posts for null bytes
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app/models/post.rb
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app/models/post.rb
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validates_length_of :text, maximum: 1000
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validates_length_of :data, maximum: 10000
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validate :check_null_bytes
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belongs_to :user
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has_many :likes, dependent: :delete_all
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def at_uri
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"at://#{user.did}/app.bsky.feed.post/#{rkey}"
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end
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def check_null_bytes
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# Postgres doesn't allow null bytes in strings
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errors.add(:text, 'must not contain a null byte') if text.include?("\u0000")
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end
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end