org.browsermob.proxy.bricks.ProxyResource Maven / Gradle / Ivy

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A programmatic HTTP/S designed for performance and functional testing
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package org.browsermob.proxy.bricks;

import com.google.inject.Inject;
import com.google.inject.name.Named;
import com.google.sitebricks.At;
import com.google.sitebricks.client.transport.Json;
import com.google.sitebricks.headless.Reply;
import com.google.sitebricks.headless.Request;
import com.google.sitebricks.headless.Service;
import com.google.sitebricks.http.Delete;
import com.google.sitebricks.http.Get;
import com.google.sitebricks.http.Post;
import com.google.sitebricks.http.Put;
import org.browsermob.core.har.Har;
import org.browsermob.proxy.ProxyManager;
import org.browsermob.proxy.ProxyServer;
import org.java_bandwidthlimiter.StreamManager;

import java.util.Hashtable;
import java.util.Map;

@At("/proxy")
@Service
public class ProxyResource {
    private ProxyManager proxyManager;

    @Inject
    public ProxyResource(ProxyManager proxyManager) {
        this.proxyManager = proxyManager;
    }

    @Post
    public Reply newProxy(Request request) throws Exception {
        String systemProxyHost = System.getProperty("http.proxyHost");
        String systemProxyPort = System.getProperty("http.proxyPort");
        String httpProxy = request.param("httpProxy");
        Hashtable options = new Hashtable();

        // If the upstream proxy is specified via query params that should override any default system level proxy.
        if (httpProxy != null) {
            options.put("httpProxy", httpProxy);
        } else if ((systemProxyHost != null) && (systemProxyPort != null)) {
            options.put("httpProxy", String.format("%s:%s", systemProxyHost, systemProxyPort));
        }

        String paramPort = request.param("port");
        int port = 0;
        if (paramPort != null) {
            port = Integer.parseInt(paramPort);
            ProxyServer proxy = proxyManager.create(options, port);
        } else {
            ProxyServer proxy = proxyManager.create(options);
            port = proxy.getPort();
        }
        return Reply.with(new ProxyDescriptor(port)).as(Json.class);
    }

    @Get
    @At("/:port/har")
    public Reply getHar(@Named("port") int port) {
        ProxyServer proxy = proxyManager.get(port);
        Har har = proxy.getHar();

        return Reply.with(har).as(Json.class);
    }

    @Put
    @At("/:port/har")
    public Reply newHar(@Named("port") int port, Request request) {
        String initialPageRef = request.param("initialPageRef");
        ProxyServer proxy = proxyManager.get(port);
        Har oldHar = proxy.newHar(initialPageRef);

        String captureHeaders = request.param("captureHeaders");
        String captureContent = request.param("captureContent");
        proxy.setCaptureHeaders(Boolean.parseBoolean(captureHeaders));
        proxy.setCaptureContent(Boolean.parseBoolean(captureContent));

        if (oldHar != null) {
            return Reply.with(oldHar).as(Json.class);
        } else {
            return Reply.saying().noContent();
        }
    }

    @Put
    @At("/:port/har/pageRef")
    public Reply setPage(@Named("port") int port, Request request) {
        String pageRef = request.param("pageRef");
        ProxyServer proxy = proxyManager.get(port);
        proxy.newPage(pageRef);

        return Reply.saying().ok();
    }

    @Put
    @At("/:port/blacklist")
    public Reply blacklist(@Named("port") int port, Request request) {
        String blacklist = request.param("regex");
        int responseCode = parseResponseCode(request.param("status"));
        ProxyServer proxy = proxyManager.get(port);
        proxy.blacklistRequests(blacklist, responseCode);

        return Reply.saying().ok();
    }

    @Put
    @At("/:port/whitelist")
    public Reply whitelist(@Named("port") int port, Request request) {
        String regex = request.param("regex");
        int responseCode = parseResponseCode(request.param("status"));
        ProxyServer proxy = proxyManager.get(port);
        proxy.whitelistRequests(regex.split(","), responseCode);

        return Reply.saying().ok();
    }

    @Post
    @At("/:port/headers")
    public Reply updateHeaders(@Named("port") int port, Request request) {
        ProxyServer proxy = proxyManager.get(port);
        Map headers = request.read(Map.class).as(Json.class);
        for (Map.Entry entry : headers.entrySet()) {
            String key = entry.getKey();
            String value = entry.getValue();
            proxy.addHeader(key, value);
        }
        return Reply.saying().ok();
    }

    @Put
    @At("/:port/limit")
    public Reply limit(@Named("port") int port, Request request) {
        ProxyServer proxy = proxyManager.get(port);
        StreamManager streamManager = proxy.getStreamManager();
        String upstreamKbps = request.param("upstreamKbps");
        if (upstreamKbps != null) {
            try {
                streamManager.setUpstreamKbps(Integer.parseInt(upstreamKbps));
                streamManager.enable();
            } catch (NumberFormatException e) { }
        }
        String downstreamKbps = request.param("downstreamKbps");
        if (downstreamKbps != null) {
            try {
                streamManager.setDownstreamKbps(Integer.parseInt(downstreamKbps));
                streamManager.enable();
            } catch (NumberFormatException e) { }
        }
        String latency = request.param("latency");
        if (latency != null) {
            try {
                streamManager.setLatency(Integer.parseInt(latency));
                streamManager.enable();
            } catch (NumberFormatException e) { }
        }
        String payloadPercentage = request.param("payloadPercentage");
        if (payloadPercentage != null) {
            try {
                streamManager.setPayloadPercentage(Integer.parseInt(payloadPercentage));
            } catch (NumberFormatException e) { }
        }
        String enable = request.param("enable");
        if (enable != null) {
            if( Boolean.parseBoolean(enable) ) {
                streamManager.enable();
            } else {
                streamManager.disable();
            }
        }
        return Reply.saying().ok();
    }

    @Delete
    @At("/:port")
    public Reply delete(@Named("port") int port) throws Exception {
        proxyManager.delete(port);
        return Reply.saying().ok();
    }

    @Post
    @At("/:port/hosts")
    public Reply remapHosts(@Named("port") int port, Request request) {
        ProxyServer proxy = proxyManager.get(port);
        @SuppressWarnings("unchecked") Map headers = request.read(Map.class).as(Json.class);

        for (Map.Entry entry : headers.entrySet()) {
            String key = entry.getKey();
            String value = entry.getValue();
            proxy.remapHost(key, value);
            proxy.setDNSCacheTimeout(0);
            proxy.clearDNSCache();
        }

        return Reply.saying().ok();
    }


    private int parseResponseCode(String response)
    {
        int responseCode = 200;
        if (response != null) {
            try {
                responseCode = Integer.parseInt(response);
            } catch (NumberFormatException e) { }
        }
        return responseCode;
    }

    public static class ProxyDescriptor {
        private int port;

        public ProxyDescriptor() {
        }

        public ProxyDescriptor(int port) {
            this.port = port;
        }

        public int getPort() {
            return port;
        }

        public void setPort(int port) {
            this.port = port;
        }
    }
}