修改代理服务-3

13693261870

2023-09-27 f7b2d885bc64a0598facb2b5a0d89dcdf5921902

 src/main/java/com/moon/server/helper/HttpHelper.java

@@ -7,7 +7,6 @@
import org.apache.http.client.config.RequestConfig;
import org.apache.http.client.utils.URIUtils;
import org.apache.http.entity.InputStreamEntity;
import org.apache.http.entity.StringEntity;
import org.apache.http.impl.client.CloseableHttpClient;
import org.apache.http.impl.client.HttpClients;
import org.apache.http.message.BasicHeader;
@@ -21,8 +20,6 @@
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
import java.io.OutputStream;
import java.io.PrintWriter;
import java.net.HttpCookie;
import java.net.URI;
import java.net.URISyntaxException;
@@ -68,13 +65,10 @@
        // copyRequestHeaders(request, proxyRequest, host);
        //setXrForwardedForHeader(request, proxyRequest);

        //if (!StringHelper.isEmpty(cookie)) {
        //    proxyRequest.addHeader("Cookie", cookie + "; ");
        //}
        // if (!StringHelper.isEmpty(cookie)) proxyRequest.addHeader("Cookie", cookie + "; ")

        CloseableHttpClient client = null;
        HttpResponse proxyResponse = null;

        try {
            client = this.createHttpClient();
            proxyResponse = client.execute(host, proxyRequest);
@@ -278,23 +272,56 @@
            return;
        }

        OutputStream outputStream = response.getOutputStream();
        switch (res.getCategory()) {
            case 2:
                copeGeoService(proxyResponse, request, response, res);
                break;
            case 3:
                copeSjService(proxyResponse, request, response, res);
                break;
            default:
                entity.writeTo(response.getOutputStream());
                break;
        }
    }

        Header[] headers = proxyResponse.getHeaders("content-type");
        if (null != headers && headers.length > 0 && headers[0].getValue().contains(StaticData.TEXT_XML)) {
            String str = EntityUtils.toString(entity, "UTF-8");
            if (str.contains(res.getUrl())) {
                String proxyUrl = res.getProxy().replace("{token}", response.getHeader("token"));
                proxyUrl = request.getRequestURL().substring(0, request.getRequestURL().indexOf(proxyUrl) + proxyUrl.length());
                str = str.replace(res.getUrl(), proxyUrl);

                byte[] bytes = str.getBytes(StandardCharsets.UTF_8);
                response.setContentLength(bytes.length);
                outputStream.write(bytes);
            }
            return;
    private void copeGeoService(HttpResponse proxyResponse, HttpServletRequest request, HttpServletResponse response, ResEntity res) throws IOException {
        if (StaticData.GET_CAPABILITIES.equals(res.getBak())) {
            //
        }

        entity.writeTo(outputStream);
        proxyResponse.getEntity().writeTo(response.getOutputStream());
    }

    private void copeSjService(HttpResponse proxyResponse, HttpServletRequest request, HttpServletResponse response, ResEntity res) throws IOException {
        Header[] headers = proxyResponse.getHeaders("content-type");
        if (null != headers && headers.length > 0 && headers[0].getValue().contains(StaticData.TEXT_XML)) {
            String str = filterStr(request, response, res, EntityUtils.toString(proxyResponse.getEntity(), "UTF-8"));
            byte[] bytes = str.getBytes(StandardCharsets.UTF_8);
            response.setContentLength(bytes.length);
            response.getOutputStream().write(bytes);
        } else {
            proxyResponse.getEntity().writeTo(response.getOutputStream());
        }
    }

    private String filterStr(HttpServletRequest request, HttpServletResponse response, ResEntity res, String str) {
        if (str.contains(res.getUrl())) {
            String proxyUrl = res.getProxy().replace("{token}", response.getHeader("token"));
            proxyUrl = request.getRequestURL().substring(0, request.getRequestURL().indexOf(proxyUrl) + proxyUrl.length());
            str = str.replace(res.getUrl(), proxyUrl);

            if (!StringHelper.isEmpty(res.getArgs())) {
                // str = str.replace("?" + res.getArgs(), "").replace("&" + res.getArgs(), "")
                str = str.replace("?" + res.getArgs() + "\"", "\"").replace("&" + res.getArgs() + "\"", "\"")
                        .replace("?" + res.getArgs() + "&", "?").replace("&" + res.getArgs() + "&", "&");
            }

            if (StaticData.I3 == res.getCategory() && str.contains(StaticData.REST_LAYER)) {
                str = str.replace(res.getUrl().replace("/v6/wmts/", StaticData.REST_LAYER), proxyUrl.replace("/proxy/", "/proxy/rest/"));
            }
        }

        return str;
    }
}