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(Visual FoxPro) SharePoint Rest API using OAuthSee more OAuth2 ExamplesDemonstrates how to get an OAuth2 access token for the SharePoint REST API.Note: This example requires Chilkat v10.1.2 or greater.
LOCAL loOauth2 LOCAL lcUrl LOCAL lnSuccess LOCAL lnNumMsWaited * To further clarify, see OAuth 2.0 Authorization Flow * For versions of Chilkat < 10.0.0, use CreateObject('Chilkat_9_5_0.OAuth2') loOauth2 = CreateObject('Chilkat.OAuth2') * 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. loOauth2.ListenPort = 3017 loOauth2.AuthorizationEndpoint = "https://login.microsoftonline.com/TENANT_ID/oauth2/authorize" loOauth2.TokenEndpoint = "https://login.windows.net/TENANT_ID/oauth2/token?api-version=1.0" * Replace these with actual values. * Use the application ID loOauth2.ClientId = "CLIENT_ID" * Use the password loOauth2.ClientSecret = "CLIENT_SECRET" loOauth2.CodeChallenge = 0 loOauth2.Scope = "openid" loOauth2.Resource = "https://graph.microsoft.com/" loOauth2.IncludeNonce = 1 loOauth2.ResponseMode = "form_post" loOauth2.ResponseType = "id_token+code" * Begin the OAuth2 Authorization code flow. This returns a URL that should be loaded in a browser. lcUrl = loOauth2.StartAuth() IF (loOauth2.LastMethodSuccess = 0) THEN ? loOauth2.LastErrorText RELEASE loOauth2 CANCEL ENDIF ? "url = " + lcUrl * Launch the default browser on the system and navigate to the url. * The LaunchBrowser method was added in Chilkat v10.1.2. lnSuccess = loOauth2.LaunchBrowser(lcUrl) IF (lnSuccess = 0) THEN ? loOauth2.LastErrorText RELEASE loOauth2 CANCEL ENDIF * Wait for the user to approve or deny authorization in the browser. lnNumMsWaited = 0 DO WHILE (lnNumMsWaited < 90000) AND (loOauth2.AuthFlowState < 3) loOauth2.SleepMs(100) lnNumMsWaited = lnNumMsWaited + 100 ENDDO * 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 (loOauth2.AuthFlowState < 3) THEN loOauth2.Cancel() ? "No response from the browser!" RELEASE loOauth2 CANCEL ENDIF * 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 (loOauth2.AuthFlowState = 5) THEN ? "OAuth2 failed to complete." ? loOauth2.FailureInfo RELEASE loOauth2 CANCEL ENDIF IF (loOauth2.AuthFlowState = 4) THEN ? "OAuth2 authorization was denied." ? loOauth2.AccessTokenResponse RELEASE loOauth2 CANCEL ENDIF IF (loOauth2.AuthFlowState <> 3) THEN ? "Unexpected AuthFlowState:" + STR(loOauth2.AuthFlowState) RELEASE loOauth2 CANCEL ENDIF ? "OAuth2 authorization granted!" ? "Access Token = " + loOauth2.AccessToken RELEASE loOauth2 |
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