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(PHP ActiveX) Dropbox: OAuth2 Authorization to Obtain an Access TokenDemonstrates how to get a Dropbox OAuth2 access token from a desktop application or script. This example runs the OAuth 2.0 authorization flow that lets the user sign in to Dropbox and authorize your app.
<?php // This example requires the Chilkat API to have been previously unlocked. // See Global Unlock Sample for sample code. // Note: This example requires Chilkat v9.5.0.66 or greater to work properly. // For versions of Chilkat < 10.0.0, use new COM('Chilkat_9_5_0.Chilkat.OAuth2') $oauth2 = new COM("Chilkat.OAuth2"); // The port should match the Authorized Redirect URL in your Dropbox app, // which would look like "http://localhost:3017/" $oauth2->ListenPort = 3017; // IMPORTANT: One of the OAuth2 redirect URIs for your Dropbox app must be // exactly this string: http://localhost:3017/ $oauth2->AuthorizationEndpoint = 'https://www.dropbox.com/oauth2/authorize'; $oauth2->TokenEndpoint = 'https://api.dropboxapi.com/oauth2/token'; // Replace these with actual values. $oauth2->ClientId = 'DROPBOX_APP_KEY'; $oauth2->ClientSecret = 'DROPBOX_APP_SECRET'; $oauth2->CodeChallenge = 0; // Add token_access_type=offline to also get a refresh token in the response $oauth2->AddAuthQueryParam('token_access_type','offline'); // Begin the OAuth2 three-legged flow. This returns a URL that should be loaded in a browser. $url = $oauth2->startAuth(); if ($oauth2->LastMethodSuccess != 1) { print $oauth2->LastErrorText . "\n"; exit; } // At this point, your application should load the URL in a browser. // For example, // in C#: System.Diagnostics.Process.Start(url); // in Java: Desktop.getDesktop().browse(new URI(url)); // in VBScript: Set wsh=WScript.CreateObject("WScript.Shell") // wsh.Run url // in Xojo: ShowURL(url) (see http://docs.xojo.com/index.php/ShowURL) // in Dataflex: Runprogram Background "c:\Program Files\Internet Explorer\iexplore.exe" sUrl // The Microsoft account owner would interactively accept or deny the authorization request. // Add the code to load the url in a web browser here... // Add the code to load the url in a web browser here... // Add the code to load the url in a web browser here... // Now wait for the authorization. // We'll wait for a max of 30 seconds. $numMsWaited = 0; while (($numMsWaited < 30000) and ($oauth2->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->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->AuthFlowState == 5) { print 'OAuth2 failed to complete.' . "\n"; print $oauth2->FailureInfo . "\n"; exit; } if ($oauth2->AuthFlowState == 4) { print 'OAuth2 authorization was denied.' . "\n"; print $oauth2->AccessTokenResponse . "\n"; exit; } if ($oauth2->AuthFlowState != 3) { print 'Unexpected AuthFlowState:' . $oauth2->AuthFlowState . "\n"; exit; } print 'OAuth2 authorization granted!' . "\n"; // For versions of Chilkat < 10.0.0, use new COM('Chilkat_9_5_0.Chilkat.JsonObject') $json = new COM("Chilkat.JsonObject"); $json->Load($oauth2->AccessTokenResponse); $json->EmitCompact = 0; print 'Access Token Response = ' . $json->emit() . "\n"; // A sample access token response: // { // "access_token": "...", // "token_type": "bearer", // "expires_in": 14399, // "refresh_token": "...", // "scope": "account_info.read", // "uid": "562542581", // "account_id": "dbid:AACQhDS0E3_Vb72Ynd0F-GxGWdTI2qcTHzA" // } print 'Access Token = ' . $oauth2->AccessToken . "\n"; // Save the JSON access token response to a file for subsequent use.. $json->WriteFile('qa_data/tokens/dropbox.json'); ?> |
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