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(Delphi ActiveX) POP3 Login SecureDemonstrates how to set the POP3 password using a secure string. This example requires Chilkat v9.5.0.71 or greater.
uses Winapi.Windows, Winapi.Messages, System.SysUtils, System.Variants, System.Classes, Vcl.Graphics, Vcl.Controls, Vcl.Forms, Vcl.Dialogs, Vcl.StdCtrls, Chilkat_v9_5_0_TLB; ... procedure TForm1.Button1Click(Sender: TObject); var mailman: TChilkatMailMan; success: Integer; json: TChilkatJsonObject; crypt: TChilkatCrypt2; ssLogin: TChilkatSecureString; ssPassword: TChilkatSecureString; numMessages: Integer; begin // This example requires the Chilkat API to have been previously unlocked. // See Global Unlock Sample for sample code. mailman := TChilkatMailMan.Create(Self); // Imagine we've previously saved our encrypted login and password within a JSON config file // that contains this: // { // "pop3_login": "D7lnlWY291LKMeChlvQq7N/Tg7ieuSB15a+9Ekyd0R4=", // "pop3_password": "5neIq9Jmn0E3p71N6Yc8TA==" // } json := TChilkatJsonObject.Create(Self); json.LoadFile('qa_data/passwords/pop3.json'); crypt := TChilkatCrypt2.Create(Self); // These are the encryption settings we previously used to encrypt the credentials within the JSON config file. crypt.CryptAlgorithm := 'aes'; crypt.CipherMode := 'cbc'; crypt.KeyLength := 128; crypt.SetEncodedKey('000102030405060708090A0B0C0D0E0F','hex'); crypt.SetEncodedIV('000102030405060708090A0B0C0D0E0F','hex'); crypt.EncodingMode := 'base64'; ssLogin := TChilkatSecureString.Create(Self); ssPassword := TChilkatSecureString.Create(Self); // 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('pop3_login'),ssLogin.ControlInterface); crypt.DecryptSecureENC(json.StringOf('pop3_password'),ssPassword.ControlInterface); // Set the POP3 domain, login, and password mailman.MailHost := 'pop.gmail.com'; mailman.PopSsl := 1; mailman.MailPort := 995; mailman.PopUsername := ssLogin.Access(); // Set the PopPassword property via the SetPassword method using the secure string. mailman.SetPassword('pop3',ssPassword.ControlInterface); // Connect and authenticate.. success := mailman.Pop3Connect(); if (success <> 1) then begin Memo1.Lines.Add(mailman.LastErrorText); Exit; end; success := mailman.Pop3Authenticate(); if (success <> 1) then begin Memo1.Lines.Add(mailman.LastErrorText); Exit; end; Memo1.Lines.Add('POP3 login successful.'); numMessages := mailman.GetMailboxCount(); if (numMessages < 0) then begin Memo1.Lines.Add(mailman.LastErrorText); Exit; end; Memo1.Lines.Add('Num messages in Inbox = ' + IntToStr(numMessages)); mailman.Pop3EndSession(); end; |
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