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yuuu
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Nov 7, 2023
app.rb
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| get '/' do | ||
| result = conn.exec('SELECT * FROM memos ORDER BY id') | ||
| @memos = result.map { |table_row| table_row } |
app.rb
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| get '/memos/:id' do | ||
| @id = params[:id] | ||
| @memo = @memos[@id] | ||
| memo = conn.exec("SELECT * FROM memos WHERE id = '#{params[:id]}'") |
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この書き方だと /memos/DELETE FROM memos のようなURLにアクセスすると、このSQLを壊せてしまいますね。
いわゆるSQLインジェクションと呼ばれるものです。pgを使って対策ができるものなので、対処方法を検討ください 🙏
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