(DataFlex) Create a Temporary Public Link to a DropBox File

Get a temporary link to stream content of a file. This link will expire in four hours and afterwards you will get 410 Gone.

For more information, see https://www.dropbox.com/developers/documentation/http/documentation#files-get_temporary_link

Chilkat ActiveX Downloads ActiveX for 32-bit and 64-bit Windows

Use ChilkatAx-win32.pkg

Procedure Test
    Handle hoHttp
    Boolean iSuccess
    Variant vJson
    Handle hoJson
    Variant vResp
    Handle hoResp
    Variant vSbResponseBody
    Handle hoSbResponseBody
    Handle hoJResp
    Integer iRespStatusCode
    String sTemplate_id
    Integer j
    Integer iCount_j
    String sName
    String sValue
    String sMetadataName
    String sMetadataId
    String sMetadataClient_modified
    String sMetadataServer_modified
    String sMetadataRev
    Integer iMetadataSize
    String sMetadataPath_lower
    String sMetadataPath_display
    Boolean iMetadataSharing_infoRead_only
    String sMetadataSharing_infoParent_shared_folder_id
    String sMetadataSharing_infoModified_by
    Boolean iMetadataIs_downloadable
    Boolean iMetadataHas_explicit_shared_members
    String sMetadataContent_hash
    String sLink
    Integer i
    Integer iCount_i
    String sTemp1
    Boolean bTemp1

    // This example assumes 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

    // Implements the following CURL command:

    // curl -X POST https://api.dropboxapi.com/2/files/get_temporary_link \
    //     --header "Authorization: Bearer DROPBOX_ACCESS_TOKEN" \
    //     --header "Content-Type: application/json" \
    //     --data "{\"path\": \"/video.mp4\"}"

    // Use this online tool to generate code from sample JSON:
    // Generate Code to Create JSON

    // The following JSON is sent in the request body.

    // {
    //   "path": "/video.mp4"
    // }

    Get Create (RefClass(cComChilkatJsonObject)) To hoJson
    If (Not(IsComObjectCreated(hoJson))) Begin
        Send CreateComObject of hoJson
    End
    Get ComUpdateString Of hoJson "path" "/video.mp4" To iSuccess

    Send ComSetRequestHeader To hoHttp "Authorization" "Bearer DROPBOX_ACCESS_TOKEN"
    Send ComSetRequestHeader To hoHttp "Content-Type" "application/json"

    Get pvComObject of hoJson to vJson
    Get ComPostJson3 Of hoHttp "https://api.dropboxapi.com/2/files/get_temporary_link" "application/json" vJson 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 = False) Begin
        Get ComLastErrorText Of hoHttp To sTemp1
        Showln sTemp1
        Procedure_Return
    End

    Get Create (RefClass(cComChilkatStringBuilder)) To hoSbResponseBody
    If (Not(IsComObjectCreated(hoSbResponseBody))) Begin
        Send CreateComObject of hoSbResponseBody
    End
    Get pvComObject of hoSbResponseBody to vSbResponseBody
    Get ComGetBodySb Of hoResp vSbResponseBody To iSuccess
    Get Create (RefClass(cComChilkatJsonObject)) To hoJResp
    If (Not(IsComObjectCreated(hoJResp))) Begin
        Send CreateComObject of hoJResp
    End
    Get pvComObject of hoSbResponseBody to vSbResponseBody
    Get ComLoadSb Of hoJResp vSbResponseBody To iSuccess
    Set ComEmitCompact Of hoJResp To False

    Showln "Response Body:"
    Get ComEmit Of hoJResp To sTemp1
    Showln sTemp1

    Get ComStatusCode Of hoResp To iRespStatusCode
    Showln "Response Status Code = " iRespStatusCode
    If (iRespStatusCode >= 400) Begin
        Showln "Response Header:"
        Get ComHeader Of hoResp To sTemp1
        Showln sTemp1
        Showln "Failed."
        Send Destroy of hoResp
        Procedure_Return
    End

    Send Destroy of hoResp

    // Sample JSON response:
    // (Sample code for parsing the JSON response is shown below)

    // {
    //   "metadata": {
    //     "name": "Prime_Numbers.txt",
    //     "id": "id:a4ayc_80_OEAAAAAAAAAXw",
    //     "client_modified": "2015-05-12T15:50:38Z",
    //     "server_modified": "2015-05-12T15:50:38Z",
    //     "rev": "a1c10ce0dd78",
    //     "size": 7212,
    //     "path_lower": "/homework/math/prime_numbers.txt",
    //     "path_display": "/Homework/math/Prime_Numbers.txt",
    //     "sharing_info": {
    //       "read_only": true,
    //       "parent_shared_folder_id": "84528192421",
    //       "modified_by": "dbid:AAH4f99T0taONIb-OurWxbNQ6ywGRopQngc"
    //     },
    //     "is_downloadable": true,
    //     "property_groups": [
    //       {
    //         "template_id": "ptid:1a5n2i6d3OYEAAAAAAAAAYa",
    //         "fields": [
    //           {
    //             "name": "Security Policy",
    //             "value": "Confidential"
    //           }
    //         ]
    //       }
    //     ],
    //     "has_explicit_shared_members": false,
    //     "content_hash": "e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855"
    //   },
    //   "link": "https://dl.dropboxusercontent.com/apitl/1/YXNkZmFzZGcyMzQyMzI0NjU2NDU2NDU2"
    // }

    // Sample code for parsing the JSON response...
    // Use the following online tool to generate parsing code from sample JSON:
    // Generate Parsing Code from JSON

    Get ComStringOf Of hoJResp "metadata.name" To sMetadataName
    Get ComStringOf Of hoJResp "metadata.id" To sMetadataId
    Get ComStringOf Of hoJResp "metadata.client_modified" To sMetadataClient_modified
    Get ComStringOf Of hoJResp "metadata.server_modified" To sMetadataServer_modified
    Get ComStringOf Of hoJResp "metadata.rev" To sMetadataRev
    Get ComIntOf Of hoJResp "metadata.size" To iMetadataSize
    Get ComStringOf Of hoJResp "metadata.path_lower" To sMetadataPath_lower
    Get ComStringOf Of hoJResp "metadata.path_display" To sMetadataPath_display
    Get ComBoolOf Of hoJResp "metadata.sharing_info.read_only" To iMetadataSharing_infoRead_only
    Get ComStringOf Of hoJResp "metadata.sharing_info.parent_shared_folder_id" To sMetadataSharing_infoParent_shared_folder_id
    Get ComStringOf Of hoJResp "metadata.sharing_info.modified_by" To sMetadataSharing_infoModified_by
    Get ComBoolOf Of hoJResp "metadata.is_downloadable" To iMetadataIs_downloadable
    Get ComBoolOf Of hoJResp "metadata.has_explicit_shared_members" To iMetadataHas_explicit_shared_members
    Get ComStringOf Of hoJResp "metadata.content_hash" To sMetadataContent_hash
    Get ComStringOf Of hoJResp "link" To sLink
    Move 0 To i
    Get ComSizeOfArray Of hoJResp "metadata.property_groups" To iCount_i
    While (i < iCount_i)
        Set ComI Of hoJResp To i
        Get ComStringOf Of hoJResp "metadata.property_groups[i].template_id" To sTemplate_id
        Move 0 To j
        Get ComSizeOfArray Of hoJResp "metadata.property_groups[i].fields" To iCount_j
        While (j < iCount_j)
            Set ComJ Of hoJResp To j
            Get ComStringOf Of hoJResp "metadata.property_groups[i].fields[j].name" To sName
            Get ComStringOf Of hoJResp "metadata.property_groups[i].fields[j].value" To sValue
            Move (j + 1) To j
        Loop

        Move (i + 1) To i
    Loop



End_Procedure