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authorAaron Patterson <aaron.patterson@gmail.com>2011-08-16 15:17:17 -0700
committerAaron Patterson <aaron.patterson@gmail.com>2011-08-16 15:24:42 -0700
commit8a39f411dc3c806422785b1f4d5c7c9d58e4bf85 (patch)
treece6455266bdf1e0e94d17cad23e2159a216daaa6 /activerecord/test/cases/base_test.rb
parentb0555bb88b090ca981fcc7661b6f9ea333e7f42e (diff)
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prevent sql injection attacks by escaping quotes in column names
Diffstat (limited to 'activerecord/test/cases/base_test.rb')
-rw-r--r--activerecord/test/cases/base_test.rb17
1 files changed, 17 insertions, 0 deletions
diff --git a/activerecord/test/cases/base_test.rb b/activerecord/test/cases/base_test.rb
index b8ebabfe70..fe46c00b47 100644
--- a/activerecord/test/cases/base_test.rb
+++ b/activerecord/test/cases/base_test.rb
@@ -67,6 +67,23 @@ end
class BasicsTest < ActiveRecord::TestCase
fixtures :topics, :companies, :developers, :projects, :computers, :accounts, :minimalistics, 'warehouse-things', :authors, :categorizations, :categories, :posts
+ def test_column_names_are_escaped
+ conn = ActiveRecord::Base.connection
+ classname = conn.class.name[/[^:]*$/]
+ badchar = {
+ 'SQLite3Adapter' => '"',
+ 'MysqlAdapter' => '`',
+ 'Mysql2Adapter' => '`',
+ 'PostgreSQLAdapter' => '"',
+ 'OracleAdapter' => '"',
+ }.fetch(classname) {
+ raise "need a bad char for #{classname}"
+ }
+
+ quoted = conn.quote_column_name "foo#{badchar}bar"
+ assert_equal("#{badchar}foo#{badchar * 2}bar#{badchar}", quoted)
+ end
+
def test_columns_should_obey_set_primary_key
pk = Subscriber.columns.find { |x| x.name == 'nick' }
assert pk.primary, 'nick should be primary key'