Normalize more gmail leading digit domains

horgh · horgh · commit 7549803c82e3 · 2024-01-26T12:34:06.000-08:00
diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -22,6 +22,9 @@
   become `example.com`.
 * Certain `.com` typos are now normalized to `.com` when `hash_address` is
   used. For example, `example.cam` will become `example.com`.
+* Additional `gmail.com` domain names with leading digits are now
+  normalized when `hash_address` is used. For example, `100gmail.com` will
+  become `gmail.com`.
 
 ## v2.4.0 (2024-01-12)
 
diff --git a/lib/minfraud/components/email.rb b/lib/minfraud/components/email.rb
@@ -329,6 +329,7 @@ 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]|))$/, '.com')
+        domain.sub!(/^\d+(?:gmail?\.com)$/, 'gmail.com')
 
         if TYPO_DOMAINS.key?(domain)
           domain = TYPO_DOMAINS[domain]
diff --git a/spec/components/email_spec.rb b/spec/components/email_spec.rb
@@ -78,6 +78,7 @@
         { 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' },
+        { input: 'foo@10000gmail.com', output: 'foo@gmail.com' },
       ]
 
       tests.each do |i|

Original file line number	Diff line number	Diff line change
`@@ -78,6 +78,7 @@`
`78`	`78`	`{ input: '[email protected]', output: '[email protected]' },`
`79`	`79`	`{ input: '[email protected]', output: '[email protected]' },`
`80`	`80`	`{ input: '[email protected]', output: '[email protected]' },`
	`81`	`+ { input: '[email protected]', output: '[email protected]' },`
`81`	`82`	`]`
`82`	`83`
`83`	`84`	`tests.each do \|i\|`