(PHP ActiveX) Office365 POP3 Login with OAuth2 Authentication

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Demonstrates how to authenticate using OAuth2 using the POP3 protocol with outlook.office365.com.

Note: This example requires Chilkat v9.5.0.83 or greater.

Chilkat ActiveX Downloads ActiveX for 32-bit and 64-bit Windows Note: The php_com_dotnet.dll may need to be enabled inside of php.ini.

<?php

// This example requires the Chilkat API to have been previously unlocked.
// See Global Unlock Sample for sample code.

// For versions of Chilkat < 10.0.0, use new COM('Chilkat_9_5_0.Chilkat.MailMan')
$mailman = new COM("Chilkat.MailMan");

$mailman->MailHost = 'outlook.office365.com';
$mailman->MailPort = 995;
$mailman->PopSsl = 1;

// Use your O365 email address here.
$mailman->PopUsername = 'OFFICE365_EMAIL_ADDRESS';

// When using OAuth2 authentication, leave the password empty.
$mailman->PopPassword = '';

// Load our previously obtained OAuth2 access token.
// For versions of Chilkat < 10.0.0, use new COM('Chilkat_9_5_0.Chilkat.JsonObject')
$jsonToken = new COM("Chilkat.JsonObject");
$success = $jsonToken->LoadFile('qa_data/tokens/office365.json');
if ($success == 0) {
    print $jsonToken->LastErrorText . "\n";
    exit;
}

$mailman->OAuth2AccessToken = $jsonToken->stringOf('access_token');

// Make the TLS connection to the outlook.office365.com POP3 server.
$success = $mailman->Pop3Connect();
if ($success != 1) {
    print $mailman->LastErrorText . "\n";
    exit;
}

// Authenticate using XOAUTH2
$success = $mailman->Pop3Authenticate();
if ($success != 1) {
    print $mailman->LastErrorText . "\n";
    exit;
}

// Find out how many emails are on the server..
$numEmails = $mailman->CheckMail();
if ($numEmails < 0) {
    print $mailman->LastErrorText . "\n";
    exit;
}

// Examine the POP3 session log:
print $mailman->Pop3SessionLog . "\n";

// The POP3 session log will look something like this:

// **** Connected to outlook.office365.com:995
// < +OK The Microsoft Exchange POP3 service is ready. [QwBIADIAUABSADEAOABD...YwBvAG0A]
// > AUTH XOAUTH2
// < + 
// > <base64 string in XOAUTH2 format>
// < +OK User successfully authenticated.
// > STAT
// < +OK 3 375302

// End the POP3 session and close the connection to the GMail server.
$success = $mailman->Pop3EndSession();
if ($success != 1) {
    print $mailman->LastErrorText . "\n";
    exit;
}

print 'Finished.' . "\n";

?>