(Xojo Plugin) 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 Xojo Plugin Download Xojo Plugin for Windows, Linux, Mac OS X, and ARM, ARM64

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

Dim http As New Chilkat.Http
Dim success As Boolean

// 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"
// }

Dim json As New Chilkat.JsonObject
success = json.UpdateString("path","/video.mp4")

http.SetRequestHeader "Authorization","Bearer DROPBOX_ACCESS_TOKEN"
http.SetRequestHeader "Content-Type","application/json"

Dim resp As Chilkat.HttpResponse
resp = http.PostJson3("https://api.dropboxapi.com/2/files/get_temporary_link","application/json",json)
If (http.LastMethodSuccess = False) Then
    System.DebugLog(http.LastErrorText)
    Return
End If

Dim sbResponseBody As New Chilkat.StringBuilder
success = resp.GetBodySb(sbResponseBody)
Dim jResp As New Chilkat.JsonObject
success = jResp.LoadSb(sbResponseBody)
jResp.EmitCompact = False

System.DebugLog("Response Body:")
System.DebugLog(jResp.Emit())

Dim respStatusCode As Int32
respStatusCode = resp.StatusCode
System.DebugLog("Response Status Code = " + Str(respStatusCode))
If (respStatusCode >= 400) Then
    System.DebugLog("Response Header:")
    System.DebugLog(resp.Header)
    System.DebugLog("Failed.")

    Return
End If

// 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

Dim template_id As String
Dim j As Int32
Dim count_j As Int32
Dim name As String
Dim value As String

Dim metadataName As String
metadataName = jResp.StringOf("metadata.name")
Dim metadataId As String
metadataId = jResp.StringOf("metadata.id")
Dim metadataClient_modified As String
metadataClient_modified = jResp.StringOf("metadata.client_modified")
Dim metadataServer_modified As String
metadataServer_modified = jResp.StringOf("metadata.server_modified")
Dim metadataRev As String
metadataRev = jResp.StringOf("metadata.rev")
Dim metadataSize As Int32
metadataSize = jResp.IntOf("metadata.size")
Dim metadataPath_lower As String
metadataPath_lower = jResp.StringOf("metadata.path_lower")
Dim metadataPath_display As String
metadataPath_display = jResp.StringOf("metadata.path_display")
Dim metadataSharing_infoRead_only As Boolean
metadataSharing_infoRead_only = jResp.BoolOf("metadata.sharing_info.read_only")
Dim metadataSharing_infoParent_shared_folder_id As String
metadataSharing_infoParent_shared_folder_id = jResp.StringOf("metadata.sharing_info.parent_shared_folder_id")
Dim metadataSharing_infoModified_by As String
metadataSharing_infoModified_by = jResp.StringOf("metadata.sharing_info.modified_by")
Dim metadataIs_downloadable As Boolean
metadataIs_downloadable = jResp.BoolOf("metadata.is_downloadable")
Dim metadataHas_explicit_shared_members As Boolean
metadataHas_explicit_shared_members = jResp.BoolOf("metadata.has_explicit_shared_members")
Dim metadataContent_hash As String
metadataContent_hash = jResp.StringOf("metadata.content_hash")
Dim link As String
link = jResp.StringOf("link")
Dim i As Int32
i = 0
Dim count_i As Int32
count_i = jResp.SizeOfArray("metadata.property_groups")
While i < count_i
    jResp.I = i
    template_id = jResp.StringOf("metadata.property_groups[i].template_id")
    j = 0
    count_j = jResp.SizeOfArray("metadata.property_groups[i].fields")
    While j < count_j
        jResp.J = j
        name = jResp.StringOf("metadata.property_groups[i].fields[j].name")
        value = jResp.StringOf("metadata.property_groups[i].fields[j].value")
        j = j + 1
    Wend
    i = i + 1
Wend