Allow unencrypted PLAIN and LOGIN smtp authentication #344
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added 5 commits
October 22, 2024 15:30
Implemented a new SMTPAuthPlainNoEnc option to allow PLAIN authentication over unencrypted connections. Refactored the PlainAuth function to accept an additional allowUnencryptedAuth parameter. Updated relevant tests to cover the new authentication method.
Implemented an option to allow SMTP LOGIN authentication over unencrypted channels by introducing a new `SMTPAuthLoginNoEnc` type. Updated relevant functions and tests to handle the new parameter for unsecured authentication.
Updated PlainAuth and LoginAuth calls in smtp_test.go and example_test.go to include a 'skipTLS' boolean parameter. This ensures consistent function signatures throughout the test cases and examples.
Introduced new test functions TestAuthPlainNoEnc and TestAuthLoginNoEnc in smtp_test.go to verify behaviors of PlainAuth and LoginAuth without TLS encryption. These tests ensure that authentication mechanisms handle non-encrypted and diverse server configurations correctly.
Update defer statements to log errors if client fails to close in smtp_test.go. Additionally, add a return statement to avoid further errors after a failed SendMail operation.
…hentication methods
Updated the log level from error to debug for the client.Close() call failure in client_test.go. This change helps reduce noise in test output when the server connection fails.
Codecov ReportAttention: Patch coverage is
Additional details and impacted files@@ Coverage Diff @@
## main #344 +/- ##
==========================================
- Coverage 84.46% 84.09% -0.38%
==========================================
Files 27 27
Lines 2904 2918 +14
==========================================
+ Hits 2453 2454 +1
- Misses 320 332 +12
- Partials 131 132 +1 ☔ View full report in Codecov by Sentry. |
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This PR implements two new
SMTPAuthTypetypes:SMTPAuthPlainNoEncandSMTPAuthLoginNoEncoptions. Both allow PLAIN and LOGIN authentication over unencrypted connections. This can be useful if the connection has already been secured in a different way (e. g. a SSH tunnel).Refactored the
PlainAuthandPlainLoginmethods to accept an additionalallowUnencryptedAuthparameter. Updated relevant tests to cover the new authentication method.This PR closes #342