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| | |
| | | /* |
| | | * Copyright (c) 2018-2028, DreamLu All rights reserved. |
| | | * |
| | | * Redistribution and use in source and binary forms, with or without |
| | | * modification, are permitted provided that the following conditions are met: |
| | | * |
| | | * Redistributions of source code must retain the above copyright notice, |
| | | * this list of conditions and the following disclaimer. |
| | | * Redistributions in binary form must reproduce the above copyright |
| | | * notice, this list of conditions and the following disclaimer in the |
| | | * documentation and/or other materials provided with the distribution. |
| | | * Neither the name of the dreamlu.net developer nor the names of its |
| | | * contributors may be used to endorse or promote products derived from |
| | | * this software without specific prior written permission. |
| | | * Author: DreamLu 墿¥æ¢¦ (596392912@qq.com) |
| | | */ |
| | | |
| | | package org.springblade.core.cloud.http.logger; |
| | | |
| | | import okhttp3.*; |
| | | import okhttp3.internal.http.HttpHeaders; |
| | | import okio.Buffer; |
| | | import okio.BufferedSource; |
| | | import okio.GzipSource; |
| | | import org.springblade.core.launch.log.BladeLogLevel; |
| | | |
| | | import java.io.EOFException; |
| | | import java.io.IOException; |
| | | import java.nio.charset.Charset; |
| | | import java.nio.charset.StandardCharsets; |
| | | import java.util.Objects; |
| | | import java.util.concurrent.TimeUnit; |
| | | |
| | | /** |
| | | * An OkHttp interceptor which logs request and response information. Can be applied as an |
| | | * {@linkplain OkHttpClient#interceptors() application interceptor} or as a {@linkplain |
| | | * OkHttpClient#networkInterceptors() network interceptor}. <p> The format of the logs created by |
| | | * this class should not be considered stable and may change slightly between releases. If you need |
| | | * a stable logging format, use your own interceptor. |
| | | * |
| | | * @author L.cm |
| | | */ |
| | | public final class HttpLoggingInterceptor implements Interceptor { |
| | | private static final Charset UTF8 = StandardCharsets.UTF_8; |
| | | private final Logger logger; |
| | | private volatile BladeLogLevel level = BladeLogLevel.NONE; |
| | | |
| | | public interface Logger { |
| | | /** |
| | | * log |
| | | * @param message message |
| | | */ |
| | | void log(String message); |
| | | } |
| | | |
| | | public HttpLoggingInterceptor(Logger logger) { |
| | | this.logger = logger; |
| | | } |
| | | |
| | | /** |
| | | * Change the level at which this interceptor logs. |
| | | * @param level log Level |
| | | * @return HttpLoggingInterceptor |
| | | */ |
| | | public HttpLoggingInterceptor setLevel(BladeLogLevel level) { |
| | | this.level = Objects.requireNonNull(level, "level == null. Use Level.NONE instead."); |
| | | return this; |
| | | } |
| | | |
| | | public BladeLogLevel getLevel() { |
| | | return level; |
| | | } |
| | | |
| | | @Override |
| | | public Response intercept(Chain chain) throws IOException { |
| | | BladeLogLevel level = this.level; |
| | | |
| | | Request request = chain.request(); |
| | | if (level == BladeLogLevel.NONE) { |
| | | return chain.proceed(request); |
| | | } |
| | | |
| | | boolean logBody = level == BladeLogLevel.BODY; |
| | | boolean logHeaders = logBody || level == BladeLogLevel.HEADERS; |
| | | |
| | | RequestBody requestBody = request.body(); |
| | | boolean hasRequestBody = requestBody != null; |
| | | |
| | | Connection connection = chain.connection(); |
| | | String requestStartMessage = "--> " |
| | | + request.method() |
| | | + ' ' + request.url() |
| | | + (connection != null ? " " + connection.protocol() : ""); |
| | | if (!logHeaders && hasRequestBody) { |
| | | requestStartMessage += " (" + requestBody.contentLength() + "-byte body)"; |
| | | } |
| | | logger.log(requestStartMessage); |
| | | |
| | | if (logHeaders) { |
| | | if (hasRequestBody) { |
| | | // Request body headers are only present when installed as a network interceptor. Force |
| | | // them to be included (when available) so there values are known. |
| | | if (requestBody.contentType() != null) { |
| | | logger.log("Content-Type: " + requestBody.contentType()); |
| | | } |
| | | if (requestBody.contentLength() != -1) { |
| | | logger.log("Content-Length: " + requestBody.contentLength()); |
| | | } |
| | | } |
| | | |
| | | Headers headers = request.headers(); |
| | | for (int i = 0, count = headers.size(); i < count; i++) { |
| | | String name = headers.name(i); |
| | | // Skip headers from the request body as they are explicitly logged above. |
| | | if (!"Content-Type".equalsIgnoreCase(name) && !"Content-Length".equalsIgnoreCase(name)) { |
| | | logger.log(name + ": " + headers.value(i)); |
| | | } |
| | | } |
| | | |
| | | if (!logBody || !hasRequestBody) { |
| | | logger.log("--> END " + request.method()); |
| | | } else if (bodyHasUnknownEncoding(request.headers())) { |
| | | logger.log("--> END " + request.method() + " (encoded body omitted)"); |
| | | } else { |
| | | Buffer buffer = new Buffer(); |
| | | requestBody.writeTo(buffer); |
| | | |
| | | Charset charset = UTF8; |
| | | MediaType contentType = requestBody.contentType(); |
| | | if (contentType != null) { |
| | | charset = contentType.charset(UTF8); |
| | | } |
| | | |
| | | logger.log(""); |
| | | if (isPlaintext(buffer)) { |
| | | logger.log(buffer.readString(charset)); |
| | | logger.log("--> END " + request.method() |
| | | + " (" + requestBody.contentLength() + "-byte body)"); |
| | | } else { |
| | | logger.log("--> END " + request.method() + " (binary " |
| | | + requestBody.contentLength() + "-byte body omitted)"); |
| | | } |
| | | } |
| | | } |
| | | |
| | | long startNs = System.nanoTime(); |
| | | Response response; |
| | | try { |
| | | response = chain.proceed(request); |
| | | } catch (Exception e) { |
| | | logger.log("<-- HTTP FAILED: " + e); |
| | | throw e; |
| | | } |
| | | long tookMs = TimeUnit.NANOSECONDS.toMillis(System.nanoTime() - startNs); |
| | | |
| | | ResponseBody responseBody = response.body(); |
| | | long contentLength = responseBody.contentLength(); |
| | | String bodySize = contentLength != -1 ? contentLength + "-byte" : "unknown-length"; |
| | | logger.log("<-- " |
| | | + response.code() |
| | | + (response.message().isEmpty() ? "" : ' ' + response.message()) |
| | | + ' ' + response.request().url() |
| | | + " (" + tookMs + "ms" + (!logHeaders ? ", " + bodySize + " body" : "") + ')'); |
| | | |
| | | if (logHeaders) { |
| | | Headers headers = response.headers(); |
| | | int count = headers.size(); |
| | | for (int i = 0; i < count; i++) { |
| | | logger.log(headers.name(i) + ": " + headers.value(i)); |
| | | } |
| | | |
| | | if (!logBody || !HttpHeaders.hasBody(response)) { |
| | | logger.log("<-- END HTTP"); |
| | | } else if (bodyHasUnknownEncoding(response.headers())) { |
| | | logger.log("<-- END HTTP (encoded body omitted)"); |
| | | } else { |
| | | BufferedSource source = responseBody.source(); |
| | | // Buffer the entire body. |
| | | source.request(Long.MAX_VALUE); |
| | | Buffer buffer = source.getBuffer(); |
| | | |
| | | Long gzippedLength = null; |
| | | if ("gzip".equalsIgnoreCase(headers.get("Content-Encoding"))) { |
| | | gzippedLength = buffer.size(); |
| | | GzipSource gzippedResponseBody = null; |
| | | try { |
| | | gzippedResponseBody = new GzipSource(buffer.clone()); |
| | | buffer = new Buffer(); |
| | | buffer.writeAll(gzippedResponseBody); |
| | | } finally { |
| | | if (gzippedResponseBody != null) { |
| | | gzippedResponseBody.close(); |
| | | } |
| | | } |
| | | } |
| | | |
| | | Charset charset = UTF8; |
| | | MediaType contentType = responseBody.contentType(); |
| | | if (contentType != null) { |
| | | charset = contentType.charset(UTF8); |
| | | } |
| | | |
| | | if (!isPlaintext(buffer)) { |
| | | logger.log(""); |
| | | logger.log("<-- END HTTP (binary " + buffer.size() + "-byte body omitted)"); |
| | | return response; |
| | | } |
| | | |
| | | if (contentLength != 0) { |
| | | logger.log(""); |
| | | logger.log(buffer.clone().readString(charset)); |
| | | } |
| | | |
| | | if (gzippedLength != null) { |
| | | logger.log("<-- END HTTP (" + buffer.size() + "-byte, " |
| | | + gzippedLength + "-gzipped-byte body)"); |
| | | } else { |
| | | logger.log("<-- END HTTP (" + buffer.size() + "-byte body)"); |
| | | } |
| | | } |
| | | } |
| | | |
| | | return response; |
| | | } |
| | | |
| | | /** |
| | | * Returns true if the body in question probably contains human readable text. Uses a small sample |
| | | * of code points to detect unicode control characters commonly used in binary file signatures. |
| | | */ |
| | | private static boolean isPlaintext(Buffer buffer) { |
| | | try { |
| | | Buffer prefix = new Buffer(); |
| | | long byteCount = buffer.size() < 64 ? buffer.size() : 64; |
| | | buffer.copyTo(prefix, 0, byteCount); |
| | | for (int i = 0; i < 16; i++) { |
| | | if (prefix.exhausted()) { |
| | | break; |
| | | } |
| | | int codePoint = prefix.readUtf8CodePoint(); |
| | | if (Character.isISOControl(codePoint) && !Character.isWhitespace(codePoint)) { |
| | | return false; |
| | | } |
| | | } |
| | | return true; |
| | | } catch (EOFException e) { |
| | | // Truncated UTF-8 sequence. |
| | | return false; |
| | | } |
| | | } |
| | | |
| | | private boolean bodyHasUnknownEncoding(Headers headers) { |
| | | String contentEncoding = headers.get("Content-Encoding"); |
| | | return contentEncoding != null |
| | | && !"identity".equalsIgnoreCase(contentEncoding) |
| | | && !"gzip".equalsIgnoreCase(contentEncoding); |
| | | } |
| | | } |