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Perl Requires Chilkat v10.1.2+

SharePoint Rest API using OAuth

See more OAuth2 Examples

Demonstrates how to get an OAuth2 access token for the SharePoint REST API.

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Perl
use chilkat();

$success = 0;

#  To further clarify, see OAuth 2.0 Authorization Flow

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

#  The ListenPort should match the port in your localhost Reply URL of your Azure AD app.
#  Your Reply URL must be exactly "http://localhost:LISTEN_PORT/"
#     * Do not use "https"
#     * Make sure the ending "/" is included.
#     * You may choose any port number that doesn't collide with anything else.
$oauth2->put_ListenPort(3017);

$oauth2->put_AuthorizationEndpoint("https://login.microsoftonline.com/TENANT_ID/oauth2/authorize");
$oauth2->put_TokenEndpoint("https://login.windows.net/TENANT_ID/oauth2/token?api-version=1.0");

#  Replace these with actual values.
#  Use the application ID
$oauth2->put_ClientId("CLIENT_ID");
#  Use the password
$oauth2->put_ClientSecret("CLIENT_SECRET");

$oauth2->put_CodeChallenge(0);

$oauth2->put_Scope("openid");
$oauth2->put_Resource("https://graph.microsoft.com/");

$oauth2->put_IncludeNonce(1);
$oauth2->put_ResponseMode("form_post");
$oauth2->put_ResponseType("id_token+code");

#  Begin the OAuth2 Authorization code flow.  This returns a URL that should be loaded in a browser.
$url = $oauth2->startAuth();
if ($oauth2->get_LastMethodSuccess() == 0) {
    print $oauth2->lastErrorText() . "\r\n";
    exit;
}

print "url = " . $url . "\r\n";

#  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";