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DefaultClientHeaderMaskTest.groovy
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DefaultClientHeaderMaskTest.groovy
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package io.micronaut.http.client.netty
import ch.qos.logback.classic.Level
import org.slf4j.Logger
import ch.qos.logback.classic.spi.ILoggingEvent
import ch.qos.logback.core.AppenderBase
import io.micronaut.http.util.HttpHeadersUtil
import io.netty.handler.codec.http.DefaultHttpHeaders
import org.slf4j.LoggerFactory
import spock.lang.Specification
import java.util.concurrent.BlockingQueue
import java.util.concurrent.LinkedBlockingQueue
class DefaultClientHeaderMaskTest extends Specification {
def "check mask detects common security headers"() {
given:
MemoryAppender appender = new MemoryAppender()
Logger log = LoggerFactory.getLogger(DefaultHttpClient.class)
expect:
log instanceof ch.qos.logback.classic.Logger
when:
ch.qos.logback.classic.Logger logger = (ch.qos.logback.classic.Logger) log
logger.addAppender(appender)
logger.setLevel(Level.TRACE)
appender.start()
DefaultHttpHeaders headers = new DefaultHttpHeaders()
headers.add("Authorization", "Bearer foo")
headers.add("Proxy-Authorization", "AWS4-HMAC-SHA256 bar")
headers.add("Cookie", "baz")
headers.add("Set-Cookie", "qux")
headers.add("X-Forwarded-For", "quux")
headers.add("X-Forwarded-Host", "quuz")
headers.add("X-Real-IP", "waldo")
headers.add("X-Forwarded-For", "fred")
headers.add("Credential", "foo")
headers.add("Signature", "bar probably secret")
HttpHeadersUtil.trace(log, headers.names(), headers::getAll)
then:
appender.events.size() == headers.size()
appender.events.join("\n") == """Authorization: *MASKED*
|Proxy-Authorization: *MASKED*
|Cookie: baz
|Set-Cookie: qux
|X-Forwarded-For: quux
|X-Forwarded-For: fred
|X-Forwarded-Host: quuz
|X-Real-IP: waldo
|Credential: *MASKED*
|Signature: *MASKED*""".stripMargin()
cleanup:
appender.stop()
}
static class MemoryAppender extends AppenderBase<ILoggingEvent> {
final BlockingQueue<String> events = new LinkedBlockingQueue<>()
@Override
protected void append(ILoggingEvent e) {
events.add(e.formattedMessage)
}
}
}