third-party/crowdsec/src/test/java/org/apache/james/crowdsec/CrowdsecEhloHookTest.java

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package org.apache.james.crowdsec;

import static org.apache.james.crowdsec.CrowdsecExtension.CROWDSEC_PORT;
import static org.assertj.core.api.Assertions.assertThat;

import java.io.IOException;
import java.net.URI;
import java.net.URISyntaxException;

import org.apache.james.crowdsec.client.CrowdsecClientConfiguration;
import org.apache.james.protocols.smtp.SMTPSession;
import org.apache.james.protocols.smtp.hook.HookResult;
import org.apache.james.protocols.smtp.utils.BaseFakeSMTPSession;
import org.junit.jupiter.api.BeforeEach;
import org.junit.jupiter.api.Test;
import org.junit.jupiter.api.extension.RegisterExtension;

class CrowdsecEhloHookTest {
    private static CrowdsecEhloHook ehloHook;

    @RegisterExtension
    static CrowdsecExtension crowdsecExtension = new CrowdsecExtension();

    @BeforeEach
    void setUpEach() throws IOException, URISyntaxException {
        int port = crowdsecExtension.getCrowdsecContainer().getMappedPort(CROWDSEC_PORT);
        ehloHook = new CrowdsecEhloHook(new CrowdsecClientConfiguration(new URI("http://localhost:" + port + "/v1").toURL(), CrowdsecClientConfiguration.DEFAULT_API_KEY));
    }

    @Test
    void givenIPBannedByCrowdsecDecisionIp() throws IOException, InterruptedException {
        banIP("--ip", "127.0.0.1");
        SMTPSession session = new BaseFakeSMTPSession() {};

        assertThat(ehloHook.doHelo(session, "localhost")).isEqualTo(HookResult.DENY);
    }

    @Test
    void givenIPBannedByCrowdsecDecisionIpRange() throws IOException, InterruptedException {
        banIP("--range", "127.0.0.1/24");
        SMTPSession session = new BaseFakeSMTPSession() {};

        assertThat(ehloHook.doHelo(session, "localhost")).isEqualTo(HookResult.DENY);
    }

    @Test
    void givenIPNotBannedByCrowdsecDecisionIp() throws IOException, InterruptedException {
        banIP("--ip", "192.182.39.2");
        SMTPSession session = new BaseFakeSMTPSession() {};

        assertThat(ehloHook.doHelo(session, "localhost")).isEqualTo(HookResult.DECLINED);
    }

    @Test
    void givenIPNotBannedByCrowdsecDecisionIpRange() throws IOException, InterruptedException {
        banIP("--range", "192.182.39.2/24");
        SMTPSession session = new BaseFakeSMTPSession() {};

        assertThat(ehloHook.doHelo(session, "localhost")).isEqualTo(HookResult.DECLINED);
    }

    private static void banIP(String type, String value) throws IOException, InterruptedException {
        crowdsecExtension.banIP(type, value);
    }
}