Normalize some .com typos

horgh · horgh · commit e3a87df12bd7 · 2024-01-26T12:28:44.000-08:00
diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -20,6 +20,8 @@
 * Extraneous characters after `.com` are now removed from email domain
   names when `hash_address` is used. For example, `example.comfoo` will
   become `example.com`.
+* Certain `.com` typos are now normalized to `.com` when `hash_address` is
+  used. For example, `example.cam` will become `example.com`.
 
 ## v2.4.0 (2024-01-12)
 
diff --git a/lib/minfraud/components/email.rb b/lib/minfraud/components/email.rb
@@ -328,6 +328,7 @@ def clean_domain(domain)
 
         domain.sub!(/(?:\.com){2,}$/, '.com')
         domain.sub!(/\.com[^.]+$/, '.com')
+        domain.sub!(/(?:\.(?:com|c[a-z]{1,2}m|co[ln]|[dsvx]o[mn]|))$/, '.com')
 
         if TYPO_DOMAINS.key?(domain)
           domain = TYPO_DOMAINS[domain]
diff --git a/spec/components/email_spec.rb b/spec/components/email_spec.rb
@@ -77,6 +77,7 @@
         { input: 'foo-bar@ymail.com', output: 'foo@ymail.com' },
         { input: 'foo@example.com.com', output: 'foo@example.com' },
         { input: 'foo@example.comfoo', output: 'foo@example.com' },
+        { input: 'foo@example.cam', output: 'foo@example.com' },
       ]
 
       tests.each do |i|

Original file line number	Diff line number	Diff line change
`@@ -77,6 +77,7 @@`
`77`	`77`	`{ input: '[email protected]', output: '[email protected]' },`
`78`	`78`	`{ input: '[email protected]', output: '[email protected]' },`
`79`	`79`	`{ input: '[email protected]', output: '[email protected]' },`
	`80`	`+ { input: '[email protected]', output: '[email protected]' },`
`80`	`81`	`]`
`81`	`82`
`82`	`83`	`tests.each do \|i\|`