PHP Extension

GetHarvest API V2 OAuth Token

See more GetHarvest Examples

Demonstrates how to get an OAuth2 access token for the GetHarvest v2 API (from a desktop application). PHP Extension

<?php

include("chilkat.php");

$success = false;

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

$oauth2 = new CkOAuth2();

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

$oauth2->put_AuthorizationEndpoint('https://id.getharvest.com/oauth2/authorize');
$oauth2->put_TokenEndpoint('https://id.getharvest.com/api/v2/oauth2/token');

// Replace these with actual values.
$oauth2->put_ClientId('CLIENT_ID');
$oauth2->put_ClientSecret('CLIENT_SECRET');

$oauth2->put_CodeChallenge(false);

$oauth2->put_Scope('all');

// Begin the OAuth2 three-legged flow.  This returns a URL that should be loaded in a browser.
$url = $oauth2->startAuth();
if ($oauth2->get_LastMethodSuccess() == false) {
    print $oauth2->lastErrorText() . "\n";
    exit;
}

// Launch the system's default browser navigated to the URL.
$success = $oauth2->LaunchBrowser($url);
if ($success == false) {
    print $oauth2->lastErrorText() . "\n";
    exit;
}

// Now wait for the authorization.
// We'll wait for a max of 60 seconds.
$numMsWaited = 0;
while (($numMsWaited < 60000) and ($oauth2->get_AuthFlowState() < 3)) {
    $oauth2->SleepMs(100);
    $numMsWaited = $numMsWaited + 100;
}

// If there was no response from the browser within 30 seconds, then 
// the AuthFlowState will be equal to 1 or 2.
// 1: Waiting for Redirect. The OAuth2 background thread is waiting to receive the redirect HTTP request from the browser.
// 2: Waiting for Final Response. The OAuth2 background thread is waiting for the final access token response.
// In that case, cancel the background task started in the call to StartAuth.
if ($oauth2->get_AuthFlowState() < 3) {
    $oauth2->Cancel();
    print 'No response from the browser!' . "\n";
    exit;
}

// Check the AuthFlowState to see if authorization was granted, denied, or if some error occurred
// The possible AuthFlowState values are:
// 3: Completed with Success. The OAuth2 flow has completed, the background thread exited, and the successful JSON response is available in AccessTokenResponse property.
// 4: Completed with Access Denied. The OAuth2 flow has completed, the background thread exited, and the error JSON is available in AccessTokenResponse property.
// 5: Failed Prior to Completion. The OAuth2 flow failed to complete, the background thread exited, and the error information is available in the FailureInfo property.
if ($oauth2->get_AuthFlowState() == 5) {
    print 'OAuth2 failed to complete.' . "\n";
    print $oauth2->failureInfo() . "\n";
    exit;
}

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

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

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

// Get the full JSON response:
$json = new CkJsonObject();
$json->Load($oauth2->accessTokenResponse());
$json->put_EmitCompact(false);
print $json->emit() . "\n";

// The JSON response looks like this:

// Save the JSON to a file for future requests.
$fac = new CkFileAccess();
$fac->WriteEntireTextFile('qa_data/tokens/getHarvest.json',$json->emit(),'utf-8',false);

?>