Apex server files download

Then, you can deploy those apps anywhere. The current tutorial will explain how to create an application to Upload and Download files. You may refer to the article about provisioning an Oracle Autonomous Database to refresh your knowledge. Navigate to Development. The purpose is to create an APEX user.

Then you will use it to develop your application. APEX requires you to create a workspace with a shared work area. Click on Create Workspace. You need to provide the Autonomous Database user. The button upload submits the page, and the action is after submit for the button itself.

First create the directory. I was going to write all the commands here , but you have a find very good example here of both actions:. Try to experiment with this and let me know any issues you might find. The only tricky thing here is that in Apex you need to pass the name of the file you want to download. So the user must know the name, exactly as it is in the server. What you can't do is provide a graphical interface to the server in order to select the file. Stack Overflow for Teams — Collaborate and share knowledge with a private group.

Create a free Team What is Teams? Collectives on Stack Overflow. Learn more. Asked 1 year, 4 months ago. Active 8 months ago. Viewed 2k times. RAISE ;. END ;. Like this: Like Loading You cannot do that in real production environment. Leave a Reply Cancel reply Your email address will not be published. Loading Comments The Report Attributes page appears. You can add a link to the ID column by editing Column Attributes.

ID parses the value contained in the column where ID is the column alias. Next, you create another table to store additional information about the documents that are uploaded. In this exercise, you:. Alter the SQL Report of uploaded files to join to the table containing the additional information. Click the Home breadcrumb link at the top of the page as shown in Figure Finally, you need to alter the SQL Report region to join it to the additional attributes table.

To accomplish this, you edit the Region Source attribute on the Region Definition page. Click Browse , locate a file to upload, and click Submit. As shown in Figure , the Uploaded Files report now contains a Subject column.

In certain cases, you may want to store uploaded documents in a table owned by your schema. For example, if you want to create an Oracle Text index on uploaded documents, you need to store the documents in a custom table. Now that documents are being stored in a custom table, you need to provide a way to download them. Click the Home breadcrumb link at the top of the page to return to the Workspace home page.

To avoid this situation, there are a couple of available options. You then create a hidden item on that page for the document ID of the document to be downloaded. The Page Definition for page 2 appears. A confirmation message displays at the top of the page: Region created. For Item Type, select Hidden and then click Next.

Note that this approach has security implications that you need to be aware of. To invoke your procedure, a user can click the links you provide, or a user can enter similar URLs in the Web browser's Address or Location field. A hacker could determine what file IDs exist in your table by legitimate or illicit means.

Worse yet, in a mechanized attack, a hacker could submit successive IDs until an ID matches a file in your table at which time your procedure would download the file to the hacker. Your assessment of the degree of harm that would result if a hacker were able to download a file. One technique you can use to protect an application is to call one of the Oracle Application Express security APIs from within the procedure in order to ensure that the user has already been authenticated.

For example, you could include a block of code into the procedure so that it runs first. Consider the following example:. The Application Builder home page appears. Click Create.