Hello. We have a Spring boot app exposing a RESTful API that runs on embedded Tomcat (latest versions) and uses logback-access (also latest 1.2.3). Recently I noticed that access logs include raw binary content of images/PDF files. Example from logs:
POST /projects/projectId/images HTTP/1.1 | status code: 200 | elapsed time: 664 | request: GIF89a� d �[[ most content ommitted ]]g��� w���� ; | response: {"id":"877f2338-293d-403b-99fb-09fc631ce7b3"} GET /projects/projectid/images/877f2338-293d-403b-99fb-09fc631ce7b3 HTTP/1.1 | status code: 200 | elapsed time: 538 | request: | response: [IMAGE CONTENTS SUPPRESSED]
What's the best way to configure suppression of request and response bodies (preferably based on content type)? Looking at the code, image content suppression happens in `ch.qos.logback.access.spi.AccessEvent#getResponseContent`, but it only checks if content type starts with `image/`. I also do not see any code for binary content suppression in `ch.qos.logback.access.spi.AccessEvent#getRequestContent`. I traced response image content suppression was added with this commit: https://github.com/qos-ch/logback/commit/69290e182f8db6589eadd5a3c485a372553... (all the way back in 2007). Our config: <configuration> <appender name="STDOUT" class="ch.qos.logback.core.ConsoleAppender"> <filter class="ch.qos.logback.core.filter.EvaluatorFilter"> <evaluator class="ch.qos.logback.access.net.URLEvaluator"> <URL>/ping</URL> </evaluator> <OnMismatch>NEUTRAL</OnMismatch> <OnMatch>DENY</OnMatch> </filter> <encoder> <pattern>%requestURL | status code: %statusCode | elapsed time: %elapsedTime | request: %magenta(%requestContent) | response: %cyan(%responseContent)</pattern> </encoder> </appender> <appender-ref ref="STDOUT"/> </configuration> Thanks, Gediminas