mqtt

Functions for matching topics to mqtt topics which contain wildcards.

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mqtt.isMatchingAllTopics(Text wildcardTopic, Text|Array topics)

isMatchingAllTopics(Text wildcardTopic, Text|Array topics): Checks whether all topics match the wildcard wildcardTopic.

Example:

policy "allTopicsMatchMultilevelWildcardTopic"
permit
  subject == "firstSubject"
where
  mqtt.isMatchingAllTopics(resource, ["first/second/third", "first/second/fourth"]);

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mqtt.isMatchingAtLeastOneTopic(Text wildcardTopic, Text|Array topics)

mqtt.isMatchingAtLeastOneTopic(Text wildcardTopic, Text|Array topics) Checks whether at least one topic in topics matches the wildcard wildcardTopic.

Example:

policy "atLeastOneTopicMatchesMultilevelWildcardTopic"
permit
  subject == "secondSubject"
where
  mqtt.isMatchingAtLeastOneTopic(resource, ["first/second/third", "first/third"]);

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