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HTML Mask

This is a composite generator.

Masks text columns by parsing the contents as HTML, and applying sub-generators to specified path expressions.

If applying a sub-generator fails because of an error, the generator selected as the fallback generator is applied instead.

Path expressions are defined using the XPath syntax.

For example, for the following HTML:

<html>
<body>
  <div class="container">
    <h1>Title</h1>
    <p>Paragraph content</p>
    <ul>
      <li>Item 1</li>
      <li>Item 2</li>
      <li>Item 3</li>
    </ul>
  </div>
</body>
</html>

To get the value of h1, the expression is //h1/text().

To get the value of the first list item, the expression is //ul/li[1]/text().

Characteristics

Consistency

Determined by the selected sub-generators.

Linking

Determined by the selected sub-generators.

Differential privacy

Determined by the selected sub-generators.

Data-free

Determined by the selected sub-generators.

Allowed for primary keys

No

Allowed for unique columns

No

Uses format-preserving encryption (FPE)

No

Privacy ranking

5

Generator ID (for the API)

HtmlMaskGenerator

How to configure

Adding a sub-generator

To assign a generator to a path expression:

  1. Under Sub-generators, click Add Generator. On the sub-generator configuration panel, the Cell HTML field contains a sample value from the source database. You can use the previous and next icons to page through different values.

  2. In the Path Expression field, type the path expression to identify the value to apply the generator to. Matched HTML Values shows the result from the value in Cell HTML.

  3. From the Generator Configuration dropdown list, select the generator to apply to the path expression. You cannot select another composite generator.

  4. Configure the selected generator. You cannot configure the selected generator to be consistent with another column.

  5. To save the configuration and immediately add a generator for another path expression, click Save and Add Another. To save the configuration and close the add generator panel, click Save.

Managing the sub-generators list

From the Sub-Generators list:

  • To edit a generator assignment, click the edit icon.

  • To remove a generator assignment, click the delete icon.

  • To move a generator assignment up or down in the list, click the up or down arrow.

Selecting the fallback generator

From the Fallback Generator dropdown list, select the generator to use if the assigned generator for a path expression fails.

The options are:

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