[jira] [Created] (NIFI-7822) Set raw query string attribute in HandleHttpRequest processor

["Yuriy Flyud (Jira)" <ji...@apache.org>]

Yuriy Flyud created NIFI-7822:
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             Summary: Set raw query string attribute in HandleHttpRequest processor
                 Key: NIFI-7822
                 URL: https://issues.apache.org/jira/browse/NIFI-7822
             Project: Apache NiFi
          Issue Type: Improvement
          Components: Extensions
    Affects Versions: 1.11.4
            Reporter: Yuriy Flyud


HandleHttpRequest parses a query string and writes output to the following attributes:
 * http.query.string
 * http.query.param.XXX

The problem is that neither of these two options works as expected if I want to use query parameters later in my flow.

First option holds a DECODED query string, so if we are using some characters like & or = in query parameter names or values - there is no way to resolve this. E.g. query string 'text=abc%26notAProp%3D25' will be decoded to 'text=abc&notAProp=25' which is a completely different query string with additional parameter.

Second option does not handle duplicating query parameters. So query like 'name=John&name=Colin' will be resolved to a single attribute 'name', with value 'Colin'.

 

A simple improvement would be to add an 'http.query.raw.string' at least to give a possibility to parse this query string manually where needed.

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