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(Delphi DLL) 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, MailMan, SecureString, JsonObject, Crypt2; ... procedure TForm1.Button1Click(Sender: TObject); var mailman: HCkMailMan; success: Boolean; json: HCkJsonObject; crypt: HCkCrypt2; ssLogin: HCkSecureString; ssPassword: HCkSecureString; numMessages: Integer; begin // This example requires the Chilkat API to have been previously unlocked. // See Global Unlock Sample for sample code. mailman := CkMailMan_Create(); // 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 := CkJsonObject_Create(); CkJsonObject_LoadFile(json,'qa_data/passwords/pop3.json'); crypt := CkCrypt2_Create(); // These are the encryption settings we previously used to encrypt the credentials within the JSON config file. CkCrypt2_putCryptAlgorithm(crypt,'aes'); CkCrypt2_putCipherMode(crypt,'cbc'); CkCrypt2_putKeyLength(crypt,128); CkCrypt2_SetEncodedKey(crypt,'000102030405060708090A0B0C0D0E0F','hex'); CkCrypt2_SetEncodedIV(crypt,'000102030405060708090A0B0C0D0E0F','hex'); CkCrypt2_putEncodingMode(crypt,'base64'); ssLogin := CkSecureString_Create(); ssPassword := CkSecureString_Create(); // Decrypt to the secure string. (the strings will still held in memory encrypted, but are now encrypted using // a randomly generated session key.) CkCrypt2_DecryptSecureENC(crypt,CkJsonObject__stringOf(json,'pop3_login'),ssLogin); CkCrypt2_DecryptSecureENC(crypt,CkJsonObject__stringOf(json,'pop3_password'),ssPassword); // Set the POP3 domain, login, and password CkMailMan_putMailHost(mailman,'pop.gmail.com'); CkMailMan_putPopSsl(mailman,True); CkMailMan_putMailPort(mailman,995); CkMailMan_putPopUsername(mailman,CkSecureString__access(ssLogin)); // Set the PopPassword property via the SetPassword method using the secure string. CkMailMan_SetPassword(mailman,'pop3',ssPassword); // Connect and authenticate.. success := CkMailMan_Pop3Connect(mailman); if (success <> True) then begin Memo1.Lines.Add(CkMailMan__lastErrorText(mailman)); Exit; end; success := CkMailMan_Pop3Authenticate(mailman); if (success <> True) then begin Memo1.Lines.Add(CkMailMan__lastErrorText(mailman)); Exit; end; Memo1.Lines.Add('POP3 login successful.'); numMessages := CkMailMan_GetMailboxCount(mailman); if (numMessages < 0) then begin Memo1.Lines.Add(CkMailMan__lastErrorText(mailman)); Exit; end; Memo1.Lines.Add('Num messages in Inbox = ' + IntToStr(numMessages)); CkMailMan_Pop3EndSession(mailman); CkMailMan_Dispose(mailman); CkJsonObject_Dispose(json); CkCrypt2_Dispose(crypt); CkSecureString_Dispose(ssLogin); CkSecureString_Dispose(ssPassword); end; |
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