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(DataFlex) OneDrive -- Streaming File Upload

See more OneDrive Examples

Uploads 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 v9.5.0.97 or greater.

For more information, see https://docs.microsoft.com/en-us/onedrive/developer/rest-api/api/driveitem_put_content?view=odsp-graph-online

Chilkat ActiveX Downloads

ActiveX for 32-bit and 64-bit Windows

Use ChilkatAx-win32.pkg

Procedure Test
    Handle hoJson
    Boolean iSuccess
    Handle hoHttp
    Variant vReq
    Handle hoReq
    Variant vResp
    Handle hoResp
    String sTemp1
    Integer iTemp1
    Boolean bTemp1

    // This example requires the Chilkat API to have been previously unlocked.
    // See Global Unlock Sample for sample code.

    // This example uses the OAuth client credentials flow.
    // See How to Create an Azure App Registration for OAuth 2.0 Client Credentials

    // Use your client ID, client secret, and tenant ID in the following lines
    Get Create (RefClass(cComChilkatJsonObject)) To hoJson
    If (Not(IsComObjectCreated(hoJson))) Begin
        Send CreateComObject of hoJson
    End
    Get ComUpdateString Of hoJson "client_id" "2871da2c-8176-4b7f-869b-2311aa82e743" To iSuccess
    Get ComUpdateString Of hoJson "client_secret" "2hu9Q~r5QuryUcEkNbg1btLtnfU1VUXzhSCG6brH" To iSuccess
    Get ComUpdateString Of hoJson "scope" "https://graph.microsoft.com/.default" To iSuccess
    Get ComUpdateString Of hoJson "token_endpoint" "https://login.microsoftonline.com/114d7ed6-71bf-4dbe-a866-748364121bf2/oauth2/v2.0/token" To iSuccess

    Get Create (RefClass(cComChilkatHttp)) To hoHttp
    If (Not(IsComObjectCreated(hoHttp))) Begin
        Send CreateComObject of hoHttp
    End
    Get ComEmit Of hoJson To sTemp1
    Set ComAuthToken Of hoHttp To sTemp1

    // To upload in a single HTTP request, send a PUT request such as the following:

    // 	PUT /v1.0/users/{$user-id}/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"
    // Use your actual user-id instead of "4fe732c3-322e-4a6b-b729-2fd1eb5c6104"
    Set ComPath Of hoReq To "/v1.0/users/4fe732c3-322e-4a6b-b729-2fd1eb5c6104/drive/root:/TestDir/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.
    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"
    // Use your actual user-id instead of "4fe732c3-322e-4a6b-b729-2fd1eb5c6104"
    Set ComPath Of hoReq To "/v1.0/users/4fe732c3-322e-4a6b-b729-2fd1eb5c6104/drive/root:/TestDir/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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