(SQL Server) 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

-- Important: See this note about string length limitations for strings returned by sp_OAMethod calls.
--
CREATE PROCEDURE ChilkatSample
AS
BEGIN
    DECLARE @hr int
    DECLARE @iTmp0 int
    -- Important: Do not use nvarchar(max).  See the warning about using nvarchar(max).
    DECLARE @sTmp0 nvarchar(4000)
    -- This example assumes the Chilkat API to have been previously unlocked.
    -- See Global Unlock Sample for sample code.

    DECLARE @http int
    -- Use "Chilkat_9_5_0.Http" for versions of Chilkat < 10.0.0
    EXEC @hr = sp_OACreate 'Chilkat.Http', @http OUT
    IF @hr <> 0
    BEGIN
        PRINT 'Failed to create ActiveX component'
        RETURN
    END

    DECLARE @success int

    -- 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"
    -- }

    DECLARE @json int
    -- Use "Chilkat_9_5_0.JsonObject" for versions of Chilkat < 10.0.0
    EXEC @hr = sp_OACreate 'Chilkat.JsonObject', @json OUT

    EXEC sp_OAMethod @json, 'UpdateString', @success OUT, 'path', '/video.mp4'

    EXEC sp_OAMethod @http, 'SetRequestHeader', NULL, 'Authorization', 'Bearer DROPBOX_ACCESS_TOKEN'
    EXEC sp_OAMethod @http, 'SetRequestHeader', NULL, 'Content-Type', 'application/json'

    DECLARE @resp int
    EXEC sp_OAMethod @http, 'PostJson3', @resp OUT, 'https://api.dropboxapi.com/2/files/get_temporary_link', 'application/json', @json
    EXEC sp_OAGetProperty @http, 'LastMethodSuccess', @iTmp0 OUT
    IF @iTmp0 = 0
      BEGIN
        EXEC sp_OAGetProperty @http, 'LastErrorText', @sTmp0 OUT
        PRINT @sTmp0
        EXEC @hr = sp_OADestroy @http
        EXEC @hr = sp_OADestroy @json
        RETURN
      END

    DECLARE @sbResponseBody int
    -- Use "Chilkat_9_5_0.StringBuilder" for versions of Chilkat < 10.0.0
    EXEC @hr = sp_OACreate 'Chilkat.StringBuilder', @sbResponseBody OUT

    EXEC sp_OAMethod @resp, 'GetBodySb', @success OUT, @sbResponseBody
    DECLARE @jResp int
    -- Use "Chilkat_9_5_0.JsonObject" for versions of Chilkat < 10.0.0
    EXEC @hr = sp_OACreate 'Chilkat.JsonObject', @jResp OUT

    EXEC sp_OAMethod @jResp, 'LoadSb', @success OUT, @sbResponseBody
    EXEC sp_OASetProperty @jResp, 'EmitCompact', 0


    PRINT 'Response Body:'
    EXEC sp_OAMethod @jResp, 'Emit', @sTmp0 OUT
    PRINT @sTmp0

    DECLARE @respStatusCode int
    EXEC sp_OAGetProperty @resp, 'StatusCode', @respStatusCode OUT

    PRINT 'Response Status Code = ' + @respStatusCode
    IF @respStatusCode >= 400
      BEGIN

        PRINT 'Response Header:'
        EXEC sp_OAGetProperty @resp, 'Header', @sTmp0 OUT
        PRINT @sTmp0

        PRINT 'Failed.'
        EXEC @hr = sp_OADestroy @resp

        EXEC @hr = sp_OADestroy @http
        EXEC @hr = sp_OADestroy @json
        EXEC @hr = sp_OADestroy @sbResponseBody
        EXEC @hr = sp_OADestroy @jResp
        RETURN
      END
    EXEC @hr = sp_OADestroy @resp

    -- 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

    DECLARE @template_id nvarchar(4000)

    DECLARE @j int

    DECLARE @count_j int

    DECLARE @name nvarchar(4000)

    DECLARE @value nvarchar(4000)

    DECLARE @metadataName nvarchar(4000)
    EXEC sp_OAMethod @jResp, 'StringOf', @metadataName OUT, 'metadata.name'
    DECLARE @metadataId nvarchar(4000)
    EXEC sp_OAMethod @jResp, 'StringOf', @metadataId OUT, 'metadata.id'
    DECLARE @metadataClient_modified nvarchar(4000)
    EXEC sp_OAMethod @jResp, 'StringOf', @metadataClient_modified OUT, 'metadata.client_modified'
    DECLARE @metadataServer_modified nvarchar(4000)
    EXEC sp_OAMethod @jResp, 'StringOf', @metadataServer_modified OUT, 'metadata.server_modified'
    DECLARE @metadataRev nvarchar(4000)
    EXEC sp_OAMethod @jResp, 'StringOf', @metadataRev OUT, 'metadata.rev'
    DECLARE @metadataSize int
    EXEC sp_OAMethod @jResp, 'IntOf', @metadataSize OUT, 'metadata.size'
    DECLARE @metadataPath_lower nvarchar(4000)
    EXEC sp_OAMethod @jResp, 'StringOf', @metadataPath_lower OUT, 'metadata.path_lower'
    DECLARE @metadataPath_display nvarchar(4000)
    EXEC sp_OAMethod @jResp, 'StringOf', @metadataPath_display OUT, 'metadata.path_display'
    DECLARE @metadataSharing_infoRead_only int
    EXEC sp_OAMethod @jResp, 'BoolOf', @metadataSharing_infoRead_only OUT, 'metadata.sharing_info.read_only'
    DECLARE @metadataSharing_infoParent_shared_folder_id nvarchar(4000)
    EXEC sp_OAMethod @jResp, 'StringOf', @metadataSharing_infoParent_shared_folder_id OUT, 'metadata.sharing_info.parent_shared_folder_id'
    DECLARE @metadataSharing_infoModified_by nvarchar(4000)
    EXEC sp_OAMethod @jResp, 'StringOf', @metadataSharing_infoModified_by OUT, 'metadata.sharing_info.modified_by'
    DECLARE @metadataIs_downloadable int
    EXEC sp_OAMethod @jResp, 'BoolOf', @metadataIs_downloadable OUT, 'metadata.is_downloadable'
    DECLARE @metadataHas_explicit_shared_members int
    EXEC sp_OAMethod @jResp, 'BoolOf', @metadataHas_explicit_shared_members OUT, 'metadata.has_explicit_shared_members'
    DECLARE @metadataContent_hash nvarchar(4000)
    EXEC sp_OAMethod @jResp, 'StringOf', @metadataContent_hash OUT, 'metadata.content_hash'
    DECLARE @link nvarchar(4000)
    EXEC sp_OAMethod @jResp, 'StringOf', @link OUT, 'link'
    DECLARE @i int
    SELECT @i = 0
    DECLARE @count_i int
    EXEC sp_OAMethod @jResp, 'SizeOfArray', @count_i OUT, 'metadata.property_groups'
    WHILE @i < @count_i
      BEGIN
        EXEC sp_OASetProperty @jResp, 'I', @i
        EXEC sp_OAMethod @jResp, 'StringOf', @template_id OUT, 'metadata.property_groups[i].template_id'
        SELECT @j = 0
        EXEC sp_OAMethod @jResp, 'SizeOfArray', @count_j OUT, 'metadata.property_groups[i].fields'
        WHILE @j < @count_j
          BEGIN
            EXEC sp_OASetProperty @jResp, 'J', @j
            EXEC sp_OAMethod @jResp, 'StringOf', @name OUT, 'metadata.property_groups[i].fields[j].name'
            EXEC sp_OAMethod @jResp, 'StringOf', @value OUT, 'metadata.property_groups[i].fields[j].value'
            SELECT @j = @j + 1
          END
        SELECT @i = @i + 1
      END

    EXEC @hr = sp_OADestroy @http
    EXEC @hr = sp_OADestroy @json
    EXEC @hr = sp_OADestroy @sbResponseBody
    EXEC @hr = sp_OADestroy @jResp


END
GO