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Perl Requires Chilkat v10.1.2+

Salesforce OAuth2 Access Token

See more OAuth2 Examples

Demonstrates how to get a Salesforce OAuth2 access token from a desktop application or script.

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Perl 
use chilkat();

$success = 0;

#  To further clarify, see OAuth 2.0 Authorization Flow

$oauth2 = chilkat::CkOAuth2->new();

#  This should be the port in the localhost callback URL for your connected app.  
#  The callback URL would look like "http://localhost:3017/" if the port number is 3017.
$oauth2->put_ListenPort(3017);

$oauth2->put_AuthorizationEndpoint("https://login.salesforce.com/services/oauth2/authorize");
$oauth2->put_TokenEndpoint("https://login.salesforce.com/services/oauth2/token");

#  Replace this with your actual client ID (Consumer Key)
$oauth2->put_ClientId("CLIENT_ID");

#  We don't have to include the client secret.
#  See the screenshot of our Connected App below..

#  This is for Require Proof Key for Code Exchange (PKCE)
#  See OAuth2 PKCE Explained
$oauth2->put_CodeChallenge(1);
$oauth2->put_CodeChallengeMethod("S256");

#  To force the OAuth consent screen to reappear (even if previously granted), use:
$oauth2->AddAuthQueryParam("prompt","consent");

#  Begin the OAuth2 authorization flow.  This returns a URL that should be loaded in a browser.
$url = $oauth2->startAuth();
if ($oauth2->get_LastMethodSuccess() != 1) {
    print $oauth2->lastErrorText() . "\r\n";
    exit;
}

#  Launch the default browser on the system and navigate to the url.
#  The LaunchBrowser method was added in Chilkat v10.1.2.
$success = $oauth2->LaunchBrowser($url);
if ($success == 0) {
    print $oauth2->lastErrorText() . "\r\n";
    exit;
}

#  Wait for the user to approve or deny authorization in the browser.
$numMsWaited = 0;
while (($numMsWaited < 90000) and ($oauth2->get_AuthFlowState() < 3)) {
    $oauth2->SleepMs(100);
    $numMsWaited = $numMsWaited + 100;
}

#  If the browser does not respond within the specified time, AuthFlowState will be:
#  
#  1: Waiting for Redirect – The OAuth2 background thread is waiting for the browser's redirect request.
#  2: Waiting for Final Response – The thread is awaiting the final access token response.
#  In either case, cancel the background task initiated by StartAuth.

if ($oauth2->get_AuthFlowState() < 3) {
    $oauth2->Cancel();
    print "No response from the browser!" . "\r\n";
    exit;
}

#  Check AuthFlowState to determine if authorization was granted, denied, or failed:
#  
#  3: Success – OAuth2 flow completed, the background thread exited, and the successful response is in AccessTokenResponse.
#  4: Access Denied – OAuth2 flow completed, the background thread exited, and the error response is in AccessTokenResponse.
#  5: Failure – OAuth2 flow failed before completion, the background thread exited, and error details are in FailureInfo.

if ($oauth2->get_AuthFlowState() == 5) {
    print "OAuth2 failed to complete." . "\r\n";
    print $oauth2->failureInfo() . "\r\n";
    exit;
}

if ($oauth2->get_AuthFlowState() == 4) {
    print "OAuth2 authorization was denied." . "\r\n";
    print $oauth2->accessTokenResponse() . "\r\n";
    exit;
}

if ($oauth2->get_AuthFlowState() != 3) {
    print "Unexpected AuthFlowState:" . $oauth2->get_AuthFlowState() . "\r\n";
    exit;
}

print "OAuth2 authorization granted!" . "\r\n";
print "Access Token = " . $oauth2->accessToken() . "\r\n";

#  Save the full JSON access token response to a file.
$sbJson = chilkat::CkStringBuilder->new();
$sbJson->Append($oauth2->accessTokenResponse());
$sbJson->WriteFile("qa_data/tokens/_salesforce.json","utf-8",0);

#  The saved JSON response looks like this:

#  {
#    "access_token": "00D41000....uLZBpT6",
#    "refresh_token": "5Aep....25xdGgkrV",
#    "signature": "cjTbSc5DvcKpaMoRTzuQTJLb1tcMw8LEO01flq4aMD4=",
#    "scope": "refresh_token id",
#    "instance_url": "https://d41000000f8a0eak-dev-ed.my.salesforce.com",
#    "id": "https://login.salesforce.com/id/00D41000000F8A0EAK/005410000....xAAE",
#    "token_type": "Bearer",
#    "issued_at": "1738348388166"
#  }

#  --------------------------------------------------------------------------
#  Here's a screenshot of a Salesforce Connected App 
#  with the correct Callback URL for this example,
#  and also selects "Require Proof Key for Code Exchange (PKCE)"
#  and does not requires the secret for the authorization or refresh flow,
#  and also allows for the Client Credentials flow.
#  image