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(PHP ActiveX) MercadoLibre Refresh OAuth2 Access TokenDemonstrates how to refresh a MercadoLibre OAuth2 access token. The refresh does not require user interaction via a web browser. If an access token expires (typically with a 401 response code), a new access token can be automatically obtained by using the code in this example. For more information, see https://developers.mercadolibre.com.ar/es_ar/autenticacion-y-autorizacion#Refresh-token
<?php // This example requires the Chilkat API to have been previously unlocked. // See Global Unlock Sample for sample code. // It is assumed we previously obtained an OAuth2 access token. // This example loads the JSON access token file // saved by this example: Get MercadoLibre 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 = $jsonToken->LoadFile('qa_data/tokens/mercadolibre.json'); if ($success != 1) { print 'Failed to load mercadolibre.json' . "\n"; exit; } // The access token JSON looks like this: // { // "access_token": "APP_USR-8133606632685744-060115-93e1fd8b5e767c51c238df347bd0b288-577628017", // "token_type": "bearer", // "expires_in": 21600, // "scope": "offline_access read write", // "user_id": 577625107, // "refresh_token": "TG-5ad522a286f1200006ac4ed1-577625007" // } // For versions of Chilkat < 10.0.0, use new COM('Chilkat_9_5_0.Chilkat.OAuth2') $oauth2 = new COM("Chilkat.OAuth2"); $oauth2->TokenEndpoint = 'https://api.mercadolibre.com/oauth/token'; // Replace these with actual values. $oauth2->ClientId = 'MY_MERCADOLIBRE_APP_ID'; $oauth2->ClientSecret = 'MY_MERCADOLIBRE_APP_SECRET'; // Get the "refresh_token" $oauth2->RefreshToken = $jsonToken->stringOf('refresh_token'); // Send the HTTP POST to refresh the access token.. $success = $oauth2->RefreshAccessToken(); if ($success != 1) { print $oauth2->LastErrorText . "\n"; exit; } print 'New access token: ' . $oauth2->AccessToken . "\n"; print 'New refresh token: ' . $oauth2->RefreshToken . "\n"; // Update the JSON with the new tokens. $jsonToken->UpdateString('access_token',$oauth2->AccessToken); $jsonToken->UpdateString('refresh_token',$oauth2->RefreshToken); // Save the new JSON access token response to a file. // For versions of Chilkat < 10.0.0, use new COM('Chilkat_9_5_0.Chilkat.StringBuilder') $sbJson = new COM("Chilkat.StringBuilder"); $jsonToken->EmitCompact = 0; $jsonToken->EmitSb($sbJson); $sbJson->WriteFile('qa_data/tokens/mercadolibre.json','utf-8',0); print 'OAuth2 authorization granted!' . "\n"; print 'New Access Token = ' . $oauth2->AccessToken . "\n"; ?> |
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