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(DataFlex) OneDrive -- Streaming File UploadSee more OneDrive ExamplesUploads a local file by path to the signed-in user's OneDrive. This uses OneDrive's simple upload API to upload in a single API call. Uploading in this way only supports files up to 4MB in size. The 4MB limitation is a OneDrive limitation, not a Chilkat limitation. (See the other example(s) for uploading larger files.) Note: This example requires Chilkat v9.5.0.68 or greater. For more information, see https://docs.microsoft.com/en-us/onedrive/developer/rest-api/api/driveitem_put_content?view=odsp-graph-online
Use ChilkatAx-9.5.0-win32.pkg Procedure Test Handle hoHttp Variant vReq Handle hoReq Boolean iSuccess Variant vResp Handle hoResp Handle hoJson String sTemp1 Integer iTemp1 Boolean bTemp1 // This example requires the Chilkat API to have been previously unlocked. // See Global Unlock Sample for sample code. Get Create (RefClass(cComChilkatHttp)) To hoHttp If (Not(IsComObjectCreated(hoHttp))) Begin Send CreateComObject of hoHttp End // Use your previously obtained access token here: // See the following examples for getting an access token: // Get Microsoft Graph OAuth2 Access Token (Azure AD v2.0 Endpoint). // Get Microsoft Graph OAuth2 Access Token (Azure AD Endpoint). // Refresh Access Token (Azure AD v2.0 Endpoint). // Refresh Access Token (Azure AD Endpoint). // (Make sure your token was obtained with the Files.ReadWrite scope.) Set ComAuthToken Of hoHttp To "MICROSOFT_GRAPH_ACCESS_TOKEN" // To upload in a single HTTP request, send a PUT request such as the following: // PUT /v1.0/me/drive/root:/{item-path}:/content // Content-type: text/plain // Content-Length: <the actual content length> // // The contents of the file goes here. // Note: This example can upload any type of file. // Chilkat automatically adds the Content-Length header. Get Create (RefClass(cComChilkatHttpRequest)) To hoReq If (Not(IsComObjectCreated(hoReq))) Begin Send CreateComObject of hoReq End Set ComHttpVerb Of hoReq To "PUT" // If not using "me", then the path should be /v1.0/users/{id | userPrincipalName}/... Set ComPath Of hoReq To "/v1.0/me/drive/root:/someFolder/penguins.jpg:/content" // Indicate the local file to be streamed in the upload. Get ComStreamBodyFromFile Of hoReq "qa_data/jpg/penguins.jpg" To iSuccess // If you're uploading a file and don't know what the Content-Type should be, // just use "application/octet-stream". See below for an example.. Set ComContentType Of hoReq To "image/jpeg" Get pvComObject of hoReq to vReq Get ComSynchronousRequest Of hoHttp "graph.microsoft.com" 443 True 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 // If successful, a 201 status code is returned, with the driveItem object in the response body for the newly created file. Get Create (RefClass(cComChilkatJsonObject)) To hoJson If (Not(IsComObjectCreated(hoJson))) Begin Send CreateComObject of hoJson End Set ComEmitCompact Of hoJson To False Get ComBodyStr Of hoResp To sTemp1 Get ComLoad Of hoJson sTemp1 To iSuccess Get ComStatusCode Of hoResp To iTemp1 If (iTemp1 <> 201) Begin // Here is an example of an error: // { // "error": { // "code": "nameAlreadyExists", // "message": "An item with the same name already exists under the parent", // "innerError": { // "request-id": "22302ba5-b885-4b67-9e20-8f6801aec372", // "date": "2017-06-03T14:22:27" // } // } // } // // Response status = 409 Get ComEmit Of hoJson To sTemp1 Showln sTemp1 Get ComStatusCode Of hoResp To iTemp1 Showln "Response status = " iTemp1 Send Destroy of hoResp Procedure_Return End Send Destroy of hoResp // Success. Examine the driveItem JSON object: Get ComEmit Of hoJson To sTemp1 Showln sTemp1 Showln "-- Success --" // Here is a sample successful response: // { // "@odata.context": "https://graph.microsoft.com/v1.0/$metadata#users('me')/drive/root/$entity", // "@microsoft.graph.downloadUrl": "https://s5ucmg.dm2301.livefilestore.com/y4p0MT4NGBshn3EMBjrq8NuU3c_3Bt4DBz0BjZiQPNhiCDj3DjXEHrMr71M6wAGRrvT6WJmPIqNo_lxBP4Uen5MXFVtO3Dz_tdZ531hC_J9fb-eU6CoEmvjonwapmTorJb6hbi6g8VNxBQLItDyVgWM-InmxoNRo0N6xpcAuIbKZccN5vuctIs-Wqxefaza19thlu__bOl8kfG_SkgsrbBzKdTjOS0phBhIi8kYo9wG25k", // "createdBy": { // "application": { // "displayName": "Chilkat", // "id": "441c9990" // }, // "user": { // "displayName": "Matt Smith", // "id": "3a33fceb9b74cc15" // } // }, // "createdDateTime": "2017-06-03T14:23:52.153Z", // "cTag": "aYzozQTMzRkNFQjlCNzRDQzE1ITQ4NjMuMjU3", // "eTag": "aM0EzM0ZDRUI5Qjc0Q0MxNSE0ODYzLjA", // "id": "3A33FCEB9B74CC15!4863", // "lastModifiedBy": { // "application": { // "displayName": "Chilkat", // "id": "441c9990" // }, // "user": { // "displayName": "Matt Smith", // "id": "3a33fceb9b74cc15" // } // }, // "lastModifiedDateTime": "2017-06-03T14:23:52.153Z", // "name": "penguins.jpg", // "parentReference": { // "driveId": "3a33fceb9b74cc15", // "id": "3A33FCEB9B74CC15!4862", // "name": "someFolder", // "path": "/drive/root:/someFolder" // }, // "size": 777835, // "webUrl": "https://1drv.ms/i/s!ABXMdJvr_DM6pX8", // "file": { // "hashes": { // "sha1Hash": "DF7BE9DC4F467187783ACA68C7CE98E4DF2172D0" // }, // "mimeType": "image/jpeg", // "processingMetadata": true // }, // "fileSystemInfo": { // "createdDateTime": "2017-06-03T14:23:52.153Z", // "lastModifiedDateTime": "2017-06-03T14:23:52.153Z" // } // } // ------------------------------------------------------------------------------------ // Now let's upload some file where we don't know what the Content-Type should be. // // In this case, we're uploading the same JPG file but instead of providing "image/jpeg" for the // Content-Type, we provide "application/octet-stream". ("application/octet-stream" is the general // HTTP content-type used for anything unkown. "octet" is a synonym for "byte". It's just a way of // saying: Here's a stream of bytes that comprise the file.) // Also, you'll notice in the successful JSON response (below), that Microsoft automatically // detected the Content-Type as "image/jpeg", because the mimeType is set as such. // It is likely Microsoft set the MIME type (i.e. Content-Type) based on the file extension, or even better // it may have determined the MIME type by examining the initial bytes of the file to find the standard // identifying markers that signify common file types such as PDF, JPG, ZIP, and many more. // In a nutshell: Don't worry about setting the ContentType precisely. If you know it, great. If not, just // use "application/octet-stream". Set ComHttpVerb Of hoReq To "PUT" Set ComPath Of hoReq To "/v1.0/me/drive/root:/someFolder/penguins2.jpg:/content" Get ComStreamBodyFromFile Of hoReq "qa_data/jpg/penguins.jpg" To iSuccess Set ComContentType Of hoReq To "application/octet-stream" Get pvComObject of hoReq to vReq Get ComSynchronousRequest Of hoHttp "graph.microsoft.com" 443 True 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 ComBodyStr Of hoResp To sTemp1 Get ComLoad Of hoJson sTemp1 To iSuccess Get ComStatusCode Of hoResp To iTemp1 If (iTemp1 <> 201) Begin Get ComEmit Of hoJson To sTemp1 Showln sTemp1 Get ComStatusCode Of hoResp To iTemp1 Showln "Response status = " iTemp1 Send Destroy of hoResp Procedure_Return End Send Destroy of hoResp // Success. Examine the driveItem JSON object: Get ComEmit Of hoJson To sTemp1 Showln sTemp1 Showln "-- Success --" // { // "@odata.context": "https://graph.microsoft.com/v1.0/$metadata#users('me')/drive/root/$entity", // "@microsoft.graph.downloadUrl": "https://s5ucmg.dm2301.livefilestore.com/y4pKX-VIcxZfOUa1iYzGo7K4dX8an2xkcL7i-bb1YLE2ralUEPAixycWzekSn6-lUl5ojvZLQzpce45pgX2SIZfHe9l9scGcYu1viPHxKQ67Xh5b6iMhQNwbjbPQdr3ez6DET55DL25f7kS-fnksazALBtHiTLYayEqMc3WokdQYPsCj7AtzyNPzgKh6ye9R0FxM6ZRS5y6ARY23dIWuGkAKE9lKLgC4PPjvgNBBvl7zi8", // "createdBy": { // "application": { // "displayName": "Chilkat", // "id": "441c9990" // }, // "user": { // "displayName": "Matt Smith", // "id": "3a33fceb9b74cc15" // } // }, // "createdDateTime": "2017-06-03T14:30:22.017Z", // "cTag": "aYzozQTMzRkNFQjlCNzRDQzE1ITQ4NjUuMjU3", // "eTag": "aM0EzM0ZDRUI5Qjc0Q0MxNSE0ODY1LjA", // "id": "3A33FCEB9B74CC15!4865", // "lastModifiedBy": { // "application": { // "displayName": "Chilkat", // "id": "441c9990" // }, // "user": { // "displayName": "Matt Smith", // "id": "3a33fceb9b74cc15" // } // }, // "lastModifiedDateTime": "2017-06-03T14:30:22.017Z", // "name": "penguins2.jpg", // "parentReference": { // "driveId": "3a33fceb9b74cc15", // "id": "3A33FCEB9B74CC15!4862", // "name": "someFolder", // "path": "/drive/root:/someFolder" // }, // "size": 777835, // "webUrl": "https://1drv.ms/i/s!ABXMdJvr_DM6pgE", // "file": { // "hashes": { // "sha1Hash": "DF7BE9DC4F467187783ACA68C7CE98E4DF2172D0" // }, // "mimeType": "image/jpeg", // "processingMetadata": true // }, // "fileSystemInfo": { // "createdDateTime": "2017-06-03T14:30:22.016Z", // "lastModifiedDateTime": "2017-06-03T14:30:22.016Z" // } // } End_Procedure |
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