Fix: cleanup CLI

[mdp]

No description provided.

[jazzberry-ai]

Bug Report

Name	Severity	Example test case	Description
Help message not displayed correctly	Low	Run rotp --mode help	The help message is not displayed when running in help mode. The help_message method in lib/rotp/cli.rb returns arguments.to_s if options.mode == :help, but the arguments.to_s may not always return a string, resulting in unexpected output.

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[jazzberry-ai]

Bug Report

Name	Severity	Example test case	Description
Help mode suppresses warnings and errors	Low	Run rotp --help --secret invalid	When the --help option is used, any warnings or errors that would normally be displayed are suppressed, and only the help message is shown. This could be misleading to the user.

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[jazzberry-ai]

Bug Report

Name	Severity	Example test case	Description
Warnings can mask errors.	Medium	If both warnings and errors exist, only the warning message is displayed.	In the output method, the options.warnings are returned before errors. This means if there are warnings present, the error checking logic will be skipped.

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[jazzberry-ai]

Bug Report

Name	Severity	Example test case	Description
Invalid secret not detected	High	rotp --time --secret invalid	When an invalid secret is provided, the program calculates and outputs a TOTP value instead of displaying an error message. The error message should be displayed, and the TOTP value should not be calculated when the secret is invalid.

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[jazzberry-ai]

Bug Report

Name	Severity	Example test case	Description
Invalid secret is not properly validated	Medium	rotp --time --secret AAAAAAAA	The CLI does not validate if the provided secret, although being a valid base32 string, is a valid secret for the TOTP/HOTP algorithms. This could lead to unexpected behavior or security vulnerabilities.

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[jazzberry-ai]

Bug Report

Name	Severity	Example test case	Description
Inconsistent Secret Length Check	Medium	Use a valid Base32 secret that, when decoded, results in a byte array with length less than 20, but the original secret is sufficiently long (32 characters).	The code checks the length of the decoded secret to determine if it meets the minimum security requirement of 160 bits. This is incorrect, as the length of decoded secret does not necessarily represent the actual secret length. The check should be performed on the length of Base32 encoded secret.

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[jazzberry-ai]

Bug Report

Name	Severity	Example test case	Description
Stale Decoded Secret	Medium	1. Run CLI with a valid secret. 2. Run CLI with the same command, but an invalid secret.	The decoded_secret method caches the decoded secret in @decoded_secret. If options.secret changes to an invalid value, the invalid_secret? method might use a stale cached value from a previous valid secret.

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