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(Go) SMTP Login SecureDemonstrates how to set the SMTP password using a secure string. This example requires Chilkat v9.5.0.71 or greater.
// This example requires the Chilkat API to have been previously unlocked. // See Global Unlock Sample for sample code. mailman := chilkat.NewMailMan() var success bool // Imagine we've previously saved our encrypted login and password within a JSON config file // that contains this: // { // "smtp_login": "D7lnlWY291LKMeChlvQq7N/Tg7ieuSB15a+9Ekyd0R4=", // "smtp_password": "5neIq9Jmn0E3p71N6Yc8TA==" // } json := chilkat.NewJsonObject() json.LoadFile("qa_data/passwords/smtp.json") crypt := chilkat.NewCrypt2() // These are the encryption settings we previously used to encrypt the credentials within the JSON config file. crypt.SetCryptAlgorithm("aes") crypt.SetCipherMode("cbc") crypt.SetKeyLength(128) crypt.SetEncodedKey("000102030405060708090A0B0C0D0E0F","hex") crypt.SetEncodedIV("000102030405060708090A0B0C0D0E0F","hex") crypt.SetEncodingMode("base64") ssLogin := chilkat.NewSecureString() ssPassword := chilkat.NewSecureString() // Decrypt to the secure string. (the strings will still held in memory encrypted, but are now encrypted using // a randomly generated session key.) crypt.DecryptSecureENC(*json.StringOf("smtp_login"),ssLogin) crypt.DecryptSecureENC(*json.StringOf("smtp_password"),ssPassword) // Set the SMTP domain, login, and password mailman.SetSmtpHost("smtp.gmail.com") mailman.SetSmtpSsl(true) mailman.SetSmtpPort(465) mailman.SetSmtpUsername(ssLogin.Access()) // Set the SmtpPassword property via the SetPassword method using the secure string. mailman.SetPassword("smtp",ssPassword) // Connect and authenticate.. success = mailman.SmtpConnect() if success != true { fmt.Println(mailman.LastErrorText()) mailman.DisposeMailMan() json.DisposeJsonObject() crypt.DisposeCrypt2() ssLogin.DisposeSecureString() ssPassword.DisposeSecureString() return } success = mailman.SmtpAuthenticate() if success != true { fmt.Println(mailman.LastErrorText()) mailman.DisposeMailMan() json.DisposeJsonObject() crypt.DisposeCrypt2() ssLogin.DisposeSecureString() ssPassword.DisposeSecureString() return } fmt.Println("SMTP login successful.") // ... mailman.CloseSmtpConnection() mailman.DisposeMailMan() json.DisposeJsonObject() crypt.DisposeCrypt2() ssLogin.DisposeSecureString() ssPassword.DisposeSecureString() |
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