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Refactor TLSPolicy documentation and String method

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Updated the TLSPolicy type documentation to improve clarity and consistency. Enhanced the String method with detailed commentary and return value explanation, ensuring it better adheres to the fmt.Stringer interface.
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Winni Neessen 2024-10-06 17:15:39 +02:00
parent 6ce5c2a860
commit f0388ec600
Signed by: wneessen
GPG key ID: 385AC9889632126E
1 changed files with 12 additions and 5 deletions
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17
tls.go
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@ -4,25 +4,32 @@
package mail package mail
// TLSPolicy type describes a int alias for the different TLS policies we allow // TLSPolicy is a type wrapper for an int type and describes the different TLS policies we allow.
type TLSPolicy int type TLSPolicy int
const ( const (
// TLSMandatory requires that the connection to the server is // TLSMandatory requires that the connection to the server is
// encrypting using STARTTLS. If the server does not support STARTTLS // encrypting using STARTTLS. If the server does not support STARTTLS
// the connection will be terminated with an error // the connection will be terminated with an error.
TLSMandatory TLSPolicy = iota TLSMandatory TLSPolicy = iota
// TLSOpportunistic tries to establish an encrypted connection via the // TLSOpportunistic tries to establish an encrypted connection via the
// STARTTLS protocol. If the server does not support this, it will fall // STARTTLS protocol. If the server does not support this, it will fall
// back to non-encrypted plaintext transmission // back to non-encrypted plaintext transmission.
TLSOpportunistic TLSOpportunistic
// NoTLS forces the transaction to be not encrypted // NoTLS forces the transaction to be not encrypted.
NoTLS NoTLS
) )
// String is a standard method to convert a TLSPolicy into a printable format // String satisfies the fmt.Stringer interface for the TLSPolicy type.
//
// This function returns a string representation of the TLSPolicy. It matches the policy
// value to predefined constants and returns the corresponding string. If the policy does
// not match any known values, it returns "UnknownPolicy".
//
// Returns:
// - A string representing the TLSPolicy.
func (p TLSPolicy) String() string { func (p TLSPolicy) String() string {
switch p { switch p {
case TLSMandatory: case TLSMandatory: