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1. Go to the Box developer console: https://tufts.app.box.com/developers

2. Click Create a New App
   

   

3. Select Custom App
   

   

4. Select Server Authentication and give the app the name Denodo
   

   

5. Request authorization of the app in Box and create a TechConnect ticket requesting authorization of the Box app.
   

   

6. Once authorized, note down the email address/Service Account ID of the app, accessible from the General Settings tab. Use this email address to grant the app access to files.
   

   

7. Give the app access to files/folders by sharing them with the email address above
   

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Connecting Denodo to Box

In Denodo, you can query files in Box by creating connections to individual files. In general, you will need to create one connection and one base view for each file you want to query. You can either execute the following VQL in the VQL shell (faster), or follow the steps below.

In either case, you need to share the file you want to query with the Denodo Box as shown in the screenshot below.

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VQL

You’ll want to update the VQL portions that reference the URL to the Box file to reference the correct file.

# Generated with Denodo Platform 8.0 update 20220815 hotfix 20230120.

CREATE OR REPLACE FOLDER '/01-base_layer' ;

CREATE OR REPLACE FOLDER '/01-base_layer/01-connections' ;

CREATE OR REPLACE FOLDER '/01-base_layer/01-connections/Box' ;

DROP DATASOURCE DF IF EXISTS box_test_csv CASCADE;

CREATE DATASOURCE DF box_herdtest_2021csv
    FOLDER = '/01-base_layer/01-connections/box'
    ROUTE HTTP 'http.CommonsHttpClientConnection,120000' GET 'https://api.box.com/2.0/files/1149084331943/content'
    CHECKCERTIFICATES
    AUTHENTICATION OAUTH20 ( 
      ACCESSTOKEN = 'QdwTWOBaEREKeA5X30NqMRRwjEGY094b5uJp8q/eD38cycmYXTvY43eg8BvtHHm/X8tbbR9GDexgux5dm9STG8VFbDxhgKJMNoEl4jabdPodBkn5vcwrA9kcaDUxgwZh' ENCRYPTED
      REQUESTSIGNINGMETHOD = HEADER
      AUTHENTICATION_GRANT = CLIENT_CREDENTIALS_GRANT
      TOKENENDPOINTURL = 'https://api.box.com/oauth2/token'
      EXTRA_PARAMETERS_OF_REFRESH_TOKEN_REQUEST (
          'box_subject_type' = 'enterprise', 
          'box_subject_id' = '192935'
      )
      CLIENTIDENTIFIER = '0jngdws659fyhpkb80f8fbt26q7olovd'
      CLIENTSECRET = '4fMN87hoo/bjczYeTKGDn+d4kxRCxmjLiy5MQcuYpFlNiT1WMX1BP/m7Ggj5LeUROHpwKOC3872PkcfQLuOK40zjLG5MQ07G7Jro0gK+PG4QpUidG6TmsK86WHylZbf/ZvRGBc0pGr9SzpAccK2MiEsXenWuY5Uju6HPPYRF7IA=' ENCRYPTED
      ACCESSTOKENEXPIRESIN = 4155
    )
    PROXY OFF
    COLUMNDELIMITER = ','
    ENDOFLINEDELIMITER = '\n'
    HEADER = TRUE
    DESCRIPTION = 'Sets up a connection to Box so a base view can be created to view the following file:

https://tufts.app.box.com/file/1149084331943?s=a9e0ijra1tsjfbv8eu7ezq8dn45oiri6';

Step-by-step

1. Create a new Data Source file connection (Delimited file, JSON, XML, Excel)
   

   

   Alternatively, you can use the following VQL:
   

2. Select ‘HTTP Client’ as the Data Route
   

   

3. Fill in the Base URL using this format, https://api.box.com/2.0/files/{FILE_ID}/content, replacing {FILE_ID} with the ID of the file in box.
   https://developer.box.com/reference/get-files-id-content/
   

   

   

4. Under the Authentication section, fill in the fields as follows. The Token endpoint URL is https://api.box.com/oauth2/token. You’ll need to click on Extra parameters of the refresh token requests and fill in the additional parameters that Box requires (screenshot , as outlined in the linked documentation below
   https://developer.box.com/guides/authentication/client-credentials/

   

   
   

   

   
   

   

   
   

   

5. Fill out the bottom section to match your file configuration. The screenshot below shows a common configuration for a CSV
   

   

6. Test the connection, confirm it works, then click Save.

7. Click Create Base View to create a base view for the file.