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

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package org.apache.james.crowdsec;

import static org.apache.james.crowdsec.client.CrowdsecClientConfiguration.DEFAULT_API_KEY;
import static org.apache.james.crowdsec.model.CrowdsecDecision.BAN;
import static org.assertj.core.api.Assertions.assertThat;
import static org.assertj.core.api.Assertions.assertThatThrownBy;

import java.io.IOException;
import java.util.List;

import org.apache.james.crowdsec.client.CrowdsecClientConfiguration;
import org.apache.james.crowdsec.client.CrowdsecHttpClient;
import org.apache.james.crowdsec.model.CrowdsecDecision;
import org.assertj.core.api.SoftAssertions;
import org.junit.jupiter.api.Test;
import org.junit.jupiter.api.extension.RegisterExtension;

class CrowdsecHttpClientTest {
    @RegisterExtension
    static CrowdsecExtension crowdsecExtension = new CrowdsecExtension();

    @Test
    void getDecisionsWhenBanningAnIP() throws IOException, InterruptedException {
        banIP("--ip", "192.168.0.4");
        CrowdsecClientConfiguration config = new CrowdsecClientConfiguration(crowdsecExtension.getLocalhostCrowdsecUrl(), DEFAULT_API_KEY);
        CrowdsecHttpClient httpClient = new CrowdsecHttpClient(config);
        List<CrowdsecDecision> decisions = httpClient.getCrowdsecDecisions().block();

        SoftAssertions.assertSoftly(softly -> {
            softly.assertThat(decisions).hasSize(1);
            softly.assertThat(decisions.get(0).getValue()).isEqualTo("192.168.0.4");
            softly.assertThat(decisions.get(0).getType()).isEqualTo(BAN);
        });
    }

    @Test
    void getDecisionsWhenBanningAnIPRange() throws IOException, InterruptedException {
        banIP("--range", "192.168.0.0/16");
        CrowdsecClientConfiguration config = new CrowdsecClientConfiguration(crowdsecExtension.getLocalhostCrowdsecUrl(), DEFAULT_API_KEY);
        CrowdsecHttpClient httpClient = new CrowdsecHttpClient(config);
        List<CrowdsecDecision> decisions = httpClient.getCrowdsecDecisions().block();

        SoftAssertions.assertSoftly(softly -> {
            softly.assertThat(decisions).hasSize(1);
            softly.assertThat(decisions.get(0).getValue()).isEqualTo("192.168.0.0/16");
            softly.assertThat(decisions.get(0).getType()).isEqualTo(BAN);
        });
    }

    @Test
    void getDecisionsWithWrongApiKey() throws IOException, InterruptedException {
        banIP("--range", "192.168.0.0/16");
        CrowdsecClientConfiguration config = new CrowdsecClientConfiguration(crowdsecExtension.getLocalhostCrowdsecUrl(), "wrong-key");
        CrowdsecHttpClient httpClient = new CrowdsecHttpClient(config);

        assertThatThrownBy(() -> httpClient.getCrowdsecDecisions().block())
            .hasMessage("Invalid api-key bouncer");
    }

    @Test
    void getDecisionsWhenNoBanning() throws IOException {
        CrowdsecClientConfiguration config = new CrowdsecClientConfiguration(crowdsecExtension.getLocalhostCrowdsecUrl(), DEFAULT_API_KEY);
        CrowdsecHttpClient httpClient = new CrowdsecHttpClient(config);
        List<CrowdsecDecision> decisions = httpClient.getCrowdsecDecisions().block();

        assertThat(decisions).isEmpty();
    }

    @Test
    void getDecisionsWhenBanningMultipleIP() throws IOException, InterruptedException {
        banIP("--ip", "192.168.0.4");
        banIP("--ip", "192.168.0.5");
        CrowdsecClientConfiguration config = new CrowdsecClientConfiguration(crowdsecExtension.getLocalhostCrowdsecUrl(), DEFAULT_API_KEY);
        CrowdsecHttpClient httpClient = new CrowdsecHttpClient(config);
        List<CrowdsecDecision> decisions = httpClient.getCrowdsecDecisions().block();

        SoftAssertions.assertSoftly(softly -> {
            softly.assertThat(decisions).hasSize(2);
            softly.assertThat(decisions).extracting(CrowdsecDecision::getValue)
                .containsExactlyInAnyOrder("192.168.0.4", "192.168.0.5");
            softly.assertThat(decisions).extracting(CrowdsecDecision::getType)
                .containsOnly(BAN);
        });
    }

    private static void banIP(String type, String value) throws IOException, InterruptedException {
        crowdsecExtension.getCrowdsecContainer().execInContainer("cscli", "decision", "add", type, value);
    }
}