Modular Assertions

The modular assertions are created by the Broadcom Dev team and the specific partners that have knowledge of the underlying code. These assertions have AAR file extensions and are designed to be easily installed on any Gateway.



GraphQL

The GraphQL assertion acts as a GraphQL server that evaluates, validates, and processes the request coming from Gateway policy. The assertion is a composite assertion that abstracts the nested encapsulated assertions as “connectors” to back-end data sources for the GraphQL server. The GraphQL assertion is coupled with a GraphQL schema (SDL) and resolvers built with FreeMarker templates. Resolvers can utilize the “connectors” nested under the assertion to retrieve and/or modify data from
various data sources. This assertion, when combined with Arvata’s GraphQL endpoint policy, offers an efficient and secure way to layer a GraphQL API over your existing data sources, including REST, SOAP, and GraphQL APIs.

HTTP

An assertion for making HTTP requests using hand-tailored JSON configuration. This
assertion is the core of the REST and SOAP connectors.

JDBC

An assertion for making JDBC queries using hand-tailored JSON configuration. This assertion is the core of the SQL-family of connectors and mitigates SQL injection attacks using SQL parameters as part of the JSON configuration.

JAS

This assertion allows for sending and receiving of messages over the JAS protocol.

gRBC

This assertion can provide a dynamic gRPC client by utilizing a protobuf “FileDescriptorSet.” We only need a “FileDescriptorSet” generated from the gRPC API to be able to make requests, rather than having to rely on hand-written Java code for a particular gRPC API.  .

Custom Assertions

The custom assertions are modules that are added to a Layer7 API Gateway to add functionality to
be executed in a service policy. Custom assertions have JAR file extensions and can be authored by a customer's developers or within Layer7 Technologies core and tactical development groups.



JMESPath

Evaluates a JMESPath query against JSON.

JSON Apply Patch

Applies a patch to JSON.

JSONPath

Evaluates a JSONPath query against JSON.

JSON Schema v4 Validate

Validates JSON against a JSON v4 schema.

Config Extract

Extracts complex JSON and populates Gateway context variables, sometimes deeply nested or multi-value variables, using the structure of the JSON.

Kafka Producer

Produces messages to a Kafka topic.

MongoDB

Executes database commands against a MongoDB server.

MySQL

Executes a query on a MySQL database.

Neo4j

Executes a query on a Neo4j database.

Redis

Executes a command on a Redis node.

HTTP/2

Performs an outbound HTTP/2 request.

Increment Number

Adds positive or negative numbers together.

CSV Filter

Keeps or removes any rows that match all conditions.

CSV Column

Retrieves the values from one or more columns of CSV data. Optionally remove duplicates in each column.

Context Variables

Describes all context variables that are defined at that instant in policy.

TSYS TransIT Manifest

Generates an encrypted TSYS TransIT Manifest using provided transaction information.

AWS Solution Assertions

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