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(DataFlex) Office365 OAuth2 Resource Owner Password Credentials Grant for SMTP, IMAP, POPDemonstrates how to get an OAuth2 access token for use with Office 365 in the SMTP, IMAP, and POP3 protocols using the resource owner password credentials grant. This is a way of getting an OAuth2 access token for the O365 account you own, WITHOUT needing to grant access interactively via a browser.
Use ChilkatAx-9.5.0-win32.pkg Procedure Test Handle hoHttp Variant vReq Handle hoReq Variant vResp Handle hoResp Integer iStatusCode Handle hoFac Boolean iSuccess String sTemp1 Boolean bTemp1 // This example requires the Chilkat API to have been previously unlocked. // See Global Unlock Sample for sample code. // Get an OAuth2 access token by sending a POST like this: // POST {tenant}/oauth2/v2.0/token // Host: login.microsoftonline.com // Content-Type: application/x-www-form-urlencoded // // client_id=6731de76-14a6-49ae-97bc-6eba6914391e // &client_secret=***************** // &scope=user.read%20openid%20profile%20offline_access // &username=MyUsername@myTenant.com // &password=SuperS3cret // &grant_type=password Get Create (RefClass(cComChilkatHttp)) To hoHttp If (Not(IsComObjectCreated(hoHttp))) Begin Send CreateComObject of hoHttp End Get Create (RefClass(cComChilkatHttpRequest)) To hoReq If (Not(IsComObjectCreated(hoReq))) Begin Send CreateComObject of hoReq End // Use the application ID for the client_id. // (In Azure App Registrations, use the Application (client) ID) Send ComAddParam To hoReq "client_id" "CLIENT_ID" Send ComAddParam To hoReq "client_secret" "CLIENT_SECRET" Send ComAddParam To hoReq "scope" "openid profile offline_access https://outlook.office365.com/SMTP.Send https://outlook.office365.com/POP.AccessAsUser.All https://outlook.office365.com/IMAP.AccessAsUser.All" Send ComAddParam To hoReq "username" "my_email_address" Send ComAddParam To hoReq "password" "my_email_password" Send ComAddParam To hoReq "grant_type" "password" // Replace "{tenant}" with your tenant ID, such as "112d7ed6-71bf-4eba-a866-738364321bfc". Get pvComObject of hoReq to vReq Get ComPostUrlEncoded Of hoHttp "https://login.microsoftonline.com/{tenant}/oauth2/v2.0/token" vReq To vResp If (IsComObject(vResp)) Begin Get Create (RefClass(cComChilkatHttpResponse)) To hoResp Set pvComObject Of hoResp To vResp End Get ComLastMethodSuccess Of hoHttp To bTemp1 If (bTemp1 <> True) Begin Get ComLastErrorText Of hoHttp To sTemp1 Showln sTemp1 Procedure_Return End Get ComStatusCode Of hoResp To iStatusCode Showln "response status code: " iStatusCode Showln "response body:" Get ComBodyStr Of hoResp To sTemp1 Showln sTemp1 // The successful JSON response looks like this: // // { // "token_type": "Bearer", // "scope": "https://outlook.office365.com/IMAP.AccessAsUser.All https://outlook.office365.com/POP.AccessAsUser.All https://outlook.office365.com/SMTP.Send", // "expires_in": 3599, // "ext_expires_in": 3599, // "access_token": "eyJ0eX ... 62Nyw", // "refresh_token": "0.AAAA1n4t ... tNxyA", // "id_token": "eyJ0eXA ... qdIGyOYw" // } // Save the JSON to a file for future requests. If (iStatusCode = 200) Begin Get Create (RefClass(cComCkFileAccess)) To hoFac If (Not(IsComObjectCreated(hoFac))) Begin Send CreateComObject of hoFac End Get ComBodyStr Of hoResp To sTemp1 Get ComWriteEntireTextFile Of hoFac "qa_data/tokens/office365.json" sTemp1 "utf-8" False To iSuccess End Send Destroy of hoResp End_Procedure |
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