mirror of
https://github.com/ZLMediaKit/ZLMediaKit.git
synced 2024-11-23 11:17:09 +08:00
673 lines
26 KiB
C++
673 lines
26 KiB
C++
/*
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* MIT License
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*
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* Copyright (c) 2016-2019 xiongziliang <771730766@qq.com>
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*
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* This file is part of ZLMediaKit(https://github.com/xiongziliang/ZLMediaKit).
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in all
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* copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*/
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#include <sys/stat.h>
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#if !defined(_WIN32)
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#include <dirent.h>
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#endif //!defined(_WIN32)
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#include <iomanip>
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#include "HttpFileManager.h"
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#include "Util/File.h"
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#include "HttpSession.h"
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#include "Record/HlsMediaSource.h"
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namespace mediakit {
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// hls的播放cookie缓存时间默认60秒，
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// 每次访问一次该cookie，那么将重新刷新cookie有效期
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// 假如播放器在60秒内都未访问该cookie，那么将重新触发hls播放鉴权
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static int kHlsCookieSecond = 60;
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static const string kCookieName = "ZL_COOKIE";
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static const string kHlsSuffix = "/hls.m3u8";
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class HttpCookieAttachment{
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public:
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HttpCookieAttachment() {};
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~HttpCookieAttachment() {};
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public:
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//cookie生效作用域，本cookie只对该目录下的文件生效
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string _path;
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//上次鉴权失败信息,为空则上次鉴权成功
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string _err_msg;
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//本cookie是否为hls直播的
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bool _is_hls = false;
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//hls直播时的其他一些信息，主要用于播放器个数计数以及流量计数
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HlsCookieData::Ptr _hls_data;
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//如果是hls直播，那么判断该cookie是否使用过MediaSource::findAsync查找过
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//如果程序未正常退出，会残余上次的hls文件，所以判断hls直播是否存在的关键不是文件存在与否
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//而是应该判断HlsMediaSource是否已注册，但是这样会每次获取m3u8文件时都会用MediaSource::findAsync判断一次
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//会导致程序性能低下，所以我们应该在cookie声明周期的第一次判断HlsMediaSource是否已经注册，后续通过文件存在与否判断
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bool _have_find_media_source = false;
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};
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static const char *s_mime_src[][2] = {
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{"html", "text/html"},
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{"htm", "text/html"},
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{"shtml", "text/html"},
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{"css", "text/css"},
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{"xml", "text/xml"},
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{"gif", "image/gif"},
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{"jpeg", "image/jpeg"},
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{"jpg", "image/jpeg"},
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{"js", "application/javascript"},
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{"map", "application/javascript" },
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{"atom", "application/atom+xml"},
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{"rss", "application/rss+xml"},
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{"mml", "text/mathml"},
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{"txt", "text/plain"},
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{"jad", "text/vnd.sun.j2me.app-descriptor"},
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{"wml", "text/vnd.wap.wml"},
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{"htc", "text/x-component"},
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{"png", "image/png"},
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{"tif", "image/tiff"},
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{"tiff", "image/tiff"},
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{"wbmp", "image/vnd.wap.wbmp"},
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{"ico", "image/x-icon"},
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{"jng", "image/x-jng"},
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{"bmp", "image/x-ms-bmp"},
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{"svg", "image/svg+xml"},
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{"svgz", "image/svg+xml"},
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{"webp", "image/webp"},
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{"woff", "application/font-woff"},
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{"woff2","application/font-woff" },
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{"jar", "application/java-archive"},
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{"war", "application/java-archive"},
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{"ear", "application/java-archive"},
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{"json", "application/json"},
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{"hqx", "application/mac-binhex40"},
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{"doc", "application/msword"},
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{"pdf", "application/pdf"},
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{"ps", "application/postscript"},
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{"eps", "application/postscript"},
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{"ai", "application/postscript"},
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{"rtf", "application/rtf"},
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{"m3u8", "application/vnd.apple.mpegurl"},
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{"xls", "application/vnd.ms-excel"},
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{"eot", "application/vnd.ms-fontobject"},
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{"ppt", "application/vnd.ms-powerpoint"},
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{"wmlc", "application/vnd.wap.wmlc"},
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{"kml", "application/vnd.google-earth.kml+xml"},
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{"kmz", "application/vnd.google-earth.kmz"},
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{"7z", "application/x-7z-compressed"},
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{"cco", "application/x-cocoa"},
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{"jardiff", "application/x-java-archive-diff"},
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{"jnlp", "application/x-java-jnlp-file"},
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{"run", "application/x-makeself"},
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{"pl", "application/x-perl"},
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{"pm", "application/x-perl"},
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{"prc", "application/x-pilot"},
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{"pdb", "application/x-pilot"},
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{"rar", "application/x-rar-compressed"},
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{"rpm", "application/x-redhat-package-manager"},
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{"sea", "application/x-sea"},
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{"swf", "application/x-shockwave-flash"},
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{"sit", "application/x-stuffit"},
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{"tcl", "application/x-tcl"},
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{"tk", "application/x-tcl"},
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{"der", "application/x-x509-ca-cert"},
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{"pem", "application/x-x509-ca-cert"},
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{"crt", "application/x-x509-ca-cert"},
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{"xpi", "application/x-xpinstall"},
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{"xhtml", "application/xhtml+xml"},
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{"xspf", "application/xspf+xml"},
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{"zip", "application/zip"},
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{"bin", "application/octet-stream"},
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{"exe", "application/octet-stream"},
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{"dll", "application/octet-stream"},
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{"deb", "application/octet-stream"},
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{"dmg", "application/octet-stream"},
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{"iso", "application/octet-stream"},
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{"img", "application/octet-stream"},
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{"msi", "application/octet-stream"},
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{"msp", "application/octet-stream"},
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{"msm", "application/octet-stream"},
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{"docx", "application/vnd.openxmlformats-officedocument.wordprocessingml.document"},
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{"xlsx", "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet"},
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{"pptx", "application/vnd.openxmlformats-officedocument.presentationml.presentation"},
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{"mid", "audio/midi"},
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{"midi", "audio/midi"},
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{"kar", "audio/midi"},
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{"mp3", "audio/mpeg"},
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{"ogg", "audio/ogg"},
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{"m4a", "audio/x-m4a"},
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{"ra", "audio/x-realaudio"},
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{"3gpp", "video/3gpp"},
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{"3gp", "video/3gpp"},
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{"ts", "video/mp2t"},
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{"mp4", "video/mp4"},
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{"mpeg", "video/mpeg"},
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{"mpg", "video/mpeg"},
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{"mov", "video/quicktime"},
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{"webm", "video/webm"},
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{"flv", "video/x-flv"},
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{"m4v", "video/x-m4v"},
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{"mng", "video/x-mng"},
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{"asx", "video/x-ms-asf"},
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{"asf", "video/x-ms-asf"},
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{"wmv", "video/x-ms-wmv"},
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{"avi", "video/x-msvideo"},
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};
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const string &HttpFileManager::getContentType(const char *name) {
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const char *dot;
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dot = strrchr(name, '.');
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static StrCaseMap mapType;
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static onceToken token([&]() {
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for (unsigned int i = 0; i < sizeof (s_mime_src) / sizeof (s_mime_src[0]); ++i) {
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mapType.emplace(s_mime_src[i][0], s_mime_src[i][1]);
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}
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});
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static string defaultType = "text/plain";
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if (!dot) {
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return defaultType;
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}
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auto it = mapType.find(dot + 1);
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if (it == mapType.end()) {
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return defaultType;
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}
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return it->second;
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}
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static string searchIndexFile(const string &dir){
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DIR *pDir;
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dirent *pDirent;
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if ((pDir = opendir(dir.data())) == NULL) {
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return "";
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}
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set<string> setFile;
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while ((pDirent = readdir(pDir)) != NULL) {
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static set<const char *,StrCaseCompare> indexSet = {"index.html","index.htm","index"};
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if(indexSet.find(pDirent->d_name) != indexSet.end()){
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string ret = pDirent->d_name;
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closedir(pDir);
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return ret;
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}
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}
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closedir(pDir);
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return "";
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}
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static bool makeFolderMenu(const string &httpPath, const string &strFullPath, string &strRet) {
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string strPathPrefix(strFullPath);
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string last_dir_name;
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if(strPathPrefix.back() == '/'){
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strPathPrefix.pop_back();
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}else{
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last_dir_name = split(strPathPrefix,"/").back();
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}
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if (!File::is_dir(strPathPrefix.data())) {
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return false;
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}
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stringstream ss;
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ss << "<html>\r\n"
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"<head>\r\n"
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"<title>文件索引</title>\r\n"
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"</head>\r\n"
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"<body>\r\n"
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"<h1>文件索引:";
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ss << httpPath;
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ss << "</h1>\r\n";
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if (httpPath != "/") {
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ss << "<li><a href=\"";
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ss << "/";
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ss << "\">";
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ss << "根目录";
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ss << "</a></li>\r\n";
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ss << "<li><a href=\"";
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if(!last_dir_name.empty()){
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ss << "./";
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}else{
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ss << "../";
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}
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ss << "\">";
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ss << "上级目录";
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ss << "</a></li>\r\n";
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}
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DIR *pDir;
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dirent *pDirent;
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if ((pDir = opendir(strPathPrefix.data())) == NULL) {
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return false;
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}
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set<string> setFile;
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while ((pDirent = readdir(pDir)) != NULL) {
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if (File::is_special_dir(pDirent->d_name)) {
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continue;
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}
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if(pDirent->d_name[0] == '.'){
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continue;
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}
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setFile.emplace(pDirent->d_name);
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}
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int i = 0;
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for(auto &strFile :setFile ){
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string strAbsolutePath = strPathPrefix + "/" + strFile;
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bool isDir = File::is_dir(strAbsolutePath.data());
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ss << "<li><span>" << i++ << "</span>\t";
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ss << "<a href=\"";
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if(!last_dir_name.empty()){
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ss << last_dir_name << "/" << strFile;
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}else{
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ss << strFile;
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}
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if(isDir){
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ss << "/";
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}
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ss << "\">";
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ss << strFile;
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if (isDir) {
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ss << "/</a></li>\r\n";
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continue;
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}
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//是文件
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struct stat fileData;
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if (0 == stat(strAbsolutePath.data(), &fileData)) {
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auto &fileSize = fileData.st_size;
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if (fileSize < 1024) {
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ss << " (" << fileData.st_size << "B)" << endl;
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} else if (fileSize < 1024 * 1024) {
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ss << fixed << setprecision(2) << " (" << fileData.st_size / 1024.0 << "KB)";
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} else if (fileSize < 1024 * 1024 * 1024) {
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ss << fixed << setprecision(2) << " (" << fileData.st_size / 1024 / 1024.0 << "MB)";
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} else {
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ss << fixed << setprecision(2) << " (" << fileData.st_size / 1024 / 1024 / 1024.0 << "GB)";
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}
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}
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ss << "</a></li>\r\n";
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}
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closedir(pDir);
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ss << "<ul>\r\n";
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ss << "</ul>\r\n</body></html>";
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ss.str().swap(strRet);
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return true;
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}
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//字符串是否以xx结尾
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static bool end_of(const string &str, const string &substr){
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auto pos = str.rfind(substr);
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return pos != string::npos && pos == str.size() - substr.size();
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};
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//拦截hls的播放请求
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static bool emitHlsPlayed(const Parser &parser, const MediaInfo &mediaInfo, const HttpSession::HttpAccessPathInvoker &invoker,TcpSession &sender){
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//访问的hls.m3u8结尾，我们转换成kBroadcastMediaPlayed事件
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Broadcast::AuthInvoker mediaAuthInvoker = [invoker](const string &err){
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//cookie有效期为kHlsCookieSecond
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invoker(err,"",kHlsCookieSecond);
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};
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return NoticeCenter::Instance().emitEvent(Broadcast::kBroadcastMediaPlayed,mediaInfo,mediaAuthInvoker,sender);
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}
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/**
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* 判断http客户端是否有权限访问文件的逻辑步骤
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* 1、根据http请求头查找cookie，找到进入步骤3
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* 2、根据http url参数查找cookie，如果还是未找到cookie则进入步骤5
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* 3、cookie标记是否有权限访问文件，如果有权限，直接返回文件
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* 4、cookie中记录的url参数是否跟本次url参数一致，如果一致直接返回客户端错误码
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* 5、触发kBroadcastHttpAccess事件
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*/
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static void canAccessPath(TcpSession &sender, const Parser &parser, const MediaInfo &mediaInfo, bool is_dir,
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const function<void(const string &errMsg, const HttpServerCookie::Ptr &cookie)> &callback) {
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//获取用户唯一id
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auto uid = parser.Params();
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auto path = parser.Url();
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//先根据http头中的cookie字段获取cookie
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HttpServerCookie::Ptr cookie = HttpCookieManager::Instance().getCookie(kCookieName, parser.getValues());
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//如果不是从http头中找到的cookie,我们让http客户端设置下cookie
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bool cookie_from_header = true;
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if (!cookie && !uid.empty()) {
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//客户端请求中无cookie,再根据该用户的用户id获取cookie
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cookie = HttpCookieManager::Instance().getCookieByUid(kCookieName, uid);
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cookie_from_header = false;
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}
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if (cookie) {
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//找到了cookie，对cookie上锁先
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auto lck = cookie->getLock();
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auto attachment = (*cookie)[kCookieName].get<HttpCookieAttachment>();
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if (path.find(attachment._path) == 0) {
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//上次cookie是限定本目录
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if (attachment._err_msg.empty()) {
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//上次鉴权成功
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if(attachment._is_hls){
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//如果播放的是hls，那么刷新hls的cookie(获取ts文件也会刷新)
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cookie->updateTime();
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cookie_from_header = false;
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}
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callback("", cookie_from_header ? nullptr : cookie);
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return;
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}
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//上次鉴权失败，但是如果url参数发生变更，那么也重新鉴权下
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if (parser.Params().empty() || parser.Params() == cookie->getUid()) {
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//url参数未变，或者本来就没有url参数，那么判断本次请求为重复请求，无访问权限
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callback(attachment._err_msg, cookie_from_header ? nullptr : cookie);
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return;
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}
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}
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//如果url参数变了或者不是限定本目录，那么旧cookie失效，重新鉴权
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HttpCookieManager::Instance().delCookie(cookie);
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}
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bool is_hls = mediaInfo._schema == HLS_SCHEMA;
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string identifier = sender.getIdentifier();
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string peer_ip = sender.get_peer_ip();
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uint16_t peer_port = sender.get_peer_port();
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//该用户从来未获取过cookie，这个时候我们广播是否允许该用户访问该http目录
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HttpSession::HttpAccessPathInvoker accessPathInvoker = [callback, uid, path, is_dir, is_hls, mediaInfo, identifier, peer_ip, peer_port]
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(const string &errMsg, const string &cookie_path_in, int cookieLifeSecond) {
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HttpServerCookie::Ptr cookie;
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if (cookieLifeSecond) {
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//本次鉴权设置了有效期，我们把鉴权结果缓存在cookie中
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string cookie_path = cookie_path_in;
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if (cookie_path.empty()) {
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//如果未设置鉴权目录，那么我们采用当前目录
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cookie_path = is_dir ? path : path.substr(0, path.rfind("/") + 1);
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}
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cookie = HttpCookieManager::Instance().addCookie(kCookieName, uid, cookieLifeSecond);
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//对cookie上锁
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auto lck = cookie->getLock();
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HttpCookieAttachment attachment;
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//记录用户能访问的路径
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attachment._path = cookie_path;
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//记录能否访问
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attachment._err_msg = errMsg;
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//记录访问的是否为hls
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attachment._is_hls = is_hls;
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if(is_hls){
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//hls相关信息
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attachment._hls_data = std::make_shared<HlsCookieData>(mediaInfo, identifier, peer_ip, peer_port);
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//hls未查找MediaSource
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attachment._have_find_media_source = false;
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}
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(*cookie)[kCookieName].set<HttpCookieAttachment>(std::move(attachment));
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callback(errMsg, cookie);
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}else{
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callback(errMsg, nullptr);
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}
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};
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if (is_hls && emitHlsPlayed(parser, mediaInfo, accessPathInvoker, sender)) {
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//是hls的播放鉴权,拦截之
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return;
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}
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//事件未被拦截，则认为是http下载请求
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bool flag = NoticeCenter::Instance().emitEvent(Broadcast::kBroadcastHttpAccess, parser, path, is_dir, accessPathInvoker, sender);
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||
if (!flag) {
|
||
//此事件无人监听，我们默认都有权限访问
|
||
callback("", nullptr);
|
||
}
|
||
}
|
||
|
||
/**
|
||
* 发送404 Not Found
|
||
*/
|
||
static void sendNotFound(const HttpFileManager::invoker &cb) {
|
||
GET_CONFIG(string,notFound,Http::kNotFound);
|
||
cb("404 Not Found","text/html",StrCaseMap(),std::make_shared<HttpStringBody>(notFound));
|
||
}
|
||
|
||
/**
|
||
* 拼接文件路径
|
||
*/
|
||
static string pathCat(const string &a, const string &b){
|
||
if(a.back() == '/'){
|
||
return a + b;
|
||
}
|
||
return a + '/' + b;
|
||
}
|
||
|
||
/**
|
||
* 访问文件
|
||
* @param sender 事件触发者
|
||
* @param parser http请求
|
||
* @param mediaInfo http url信息
|
||
* @param strFile 文件绝对路径
|
||
* @param cb 回调对象
|
||
*/
|
||
static void accessFile(TcpSession &sender, const Parser &parser, const MediaInfo &mediaInfo, const string &strFile, const HttpFileManager::invoker &cb) {
|
||
bool is_hls = end_of(strFile, kHlsSuffix);
|
||
bool file_exist = File::is_file(strFile.data());
|
||
if (!is_hls && !file_exist) {
|
||
//文件不存在且不是hls,那么直接返回404
|
||
sendNotFound(cb);
|
||
return;
|
||
}
|
||
|
||
if(is_hls){
|
||
//hls，那么移除掉后缀获取真实的stream_id并且修改协议为HLS
|
||
const_cast<string &>(mediaInfo._schema) = HLS_SCHEMA;
|
||
replace(const_cast<string &>(mediaInfo._streamid), kHlsSuffix, "");
|
||
}
|
||
|
||
weak_ptr<TcpSession> weakSession = sender.shared_from_this();
|
||
//判断是否有权限访问该文件
|
||
canAccessPath(sender, parser, mediaInfo, false, [cb, strFile, parser, is_hls, mediaInfo, weakSession , file_exist](const string &errMsg, const HttpServerCookie::Ptr &cookie) {
|
||
auto strongSession = weakSession.lock();
|
||
if(!strongSession){
|
||
//http客户端已经断开，不需要回复
|
||
return;
|
||
}
|
||
if (!errMsg.empty()) {
|
||
//文件鉴权失败
|
||
StrCaseMap headerOut;
|
||
if (cookie) {
|
||
headerOut["Set-Cookie"] = cookie->getCookie((*cookie)[kCookieName].get<HttpCookieAttachment>()._path);
|
||
}
|
||
cb("401 Unauthorized", "text/html", headerOut, std::make_shared<HttpStringBody>(errMsg));
|
||
return;
|
||
}
|
||
|
||
auto response_file = [file_exist](const HttpServerCookie::Ptr &cookie, const HttpFileManager::invoker &cb, const string &strFile, const Parser &parser) {
|
||
StrCaseMap httpHeader;
|
||
if (cookie) {
|
||
httpHeader["Set-Cookie"] = cookie->getCookie((*cookie)[kCookieName].get<HttpCookieAttachment>()._path);
|
||
}
|
||
HttpSession::HttpResponseInvoker invoker = [&](const string &codeOut, const StrCaseMap &headerOut, const HttpBody::Ptr &body) {
|
||
if (cookie && file_exist) {
|
||
cookie->getLock();
|
||
auto is_hls = (*cookie)[kCookieName].get<HttpCookieAttachment>()._is_hls;
|
||
if (is_hls) {
|
||
(*cookie)[kCookieName].get<HttpCookieAttachment>()._hls_data->addByteUsage(body->remainSize());
|
||
}
|
||
}
|
||
cb(codeOut.data(), HttpFileManager::getContentType(strFile.data()), headerOut, body);
|
||
};
|
||
invoker.responseFile(parser.getValues(), httpHeader, strFile);
|
||
};
|
||
|
||
if (!is_hls) {
|
||
//不是hls,直接回复文件或404
|
||
response_file(cookie, cb, strFile, parser);
|
||
} else {
|
||
//是hls直播，判断是否存在
|
||
bool have_find_media_src = false;
|
||
if(cookie){
|
||
have_find_media_src = (*cookie)[kCookieName].get<HttpCookieAttachment>()._have_find_media_source;
|
||
if(!have_find_media_src){
|
||
(*cookie)[kCookieName].get<HttpCookieAttachment>()._have_find_media_source = true;
|
||
}
|
||
}
|
||
if(have_find_media_src){
|
||
//之前该cookie已经通过MediaSource::findAsync查找过了，所以现在只以文件系统查找结果为准
|
||
response_file(cookie, cb, strFile, parser);
|
||
return;
|
||
}
|
||
//hls文件不存在，我们等待其生成并延后回复
|
||
MediaSource::findAsync(mediaInfo, strongSession, [response_file, cookie, cb, strFile, parser](const MediaSource::Ptr &src) {
|
||
//hls已经生成或者超时后仍未生成，那么不管怎么样都返回客户端
|
||
response_file(cookie, cb, strFile, parser);
|
||
});
|
||
}
|
||
});
|
||
}
|
||
|
||
static string getFilePath(const Parser &parser,const MediaInfo &mediaInfo, TcpSession &sender){
|
||
GET_CONFIG(bool, enableVhost, General::kEnableVhost);
|
||
GET_CONFIG(string, rootPath, Http::kRootPath);
|
||
auto ret = File::absolutePath(enableVhost ? mediaInfo._vhost + parser.Url() : parser.Url(), rootPath);
|
||
NoticeCenter::Instance().emitEvent(Broadcast::kBroadcastHttpBeforeAccess, parser, ret, sender);
|
||
return std::move(ret);
|
||
}
|
||
|
||
/**
|
||
* 访问文件或文件夹
|
||
* @param sender 事件触发者
|
||
* @param parser http请求
|
||
* @param cb 回调对象
|
||
*/
|
||
void HttpFileManager::onAccessPath(TcpSession &sender, Parser &parser, const HttpFileManager::invoker &cb) {
|
||
auto fullUrl = string(HTTP_SCHEMA) + "://" + parser["Host"] + parser.FullUrl();
|
||
MediaInfo mediaInfo(fullUrl);
|
||
auto strFile = getFilePath(parser, mediaInfo, sender);
|
||
//访问的是文件夹
|
||
if (File::is_dir(strFile.data())) {
|
||
auto indexFile = searchIndexFile(strFile);
|
||
if (!indexFile.empty()) {
|
||
//发现该文件夹下有index文件
|
||
strFile = pathCat(strFile, indexFile);
|
||
parser.setUrl(pathCat(parser.Url(), indexFile));
|
||
accessFile(sender, parser, mediaInfo, strFile, cb);
|
||
return;
|
||
}
|
||
string strMenu;
|
||
//生成文件夹菜单索引
|
||
if (!makeFolderMenu(parser.Url(), strFile, strMenu)) {
|
||
//文件夹不存在
|
||
sendNotFound(cb);
|
||
return;
|
||
}
|
||
//判断是否有权限访问该目录
|
||
canAccessPath(sender, parser, mediaInfo, true, [strMenu, cb](const string &errMsg, const HttpServerCookie::Ptr &cookie) {
|
||
if (!errMsg.empty()) {
|
||
const_cast<string &>(strMenu) = errMsg;
|
||
}
|
||
StrCaseMap headerOut;
|
||
if (cookie) {
|
||
headerOut["Set-Cookie"] = cookie->getCookie((*cookie)[kCookieName].get<HttpCookieAttachment>()._path);
|
||
}
|
||
cb(errMsg.empty() ? "200 OK" : "401 Unauthorized", "text/html", headerOut, std::make_shared<HttpStringBody>(strMenu));
|
||
});
|
||
return;
|
||
}
|
||
|
||
//访问的是文件
|
||
accessFile(sender, parser, mediaInfo, strFile, cb);
|
||
};
|
||
|
||
|
||
////////////////////////////////////HttpResponseInvokerImp//////////////////////////////////////
|
||
|
||
void HttpResponseInvokerImp::operator()(const string &codeOut, const StrCaseMap &headerOut, const HttpBody::Ptr &body) const{
|
||
if(_lambad){
|
||
_lambad(codeOut,headerOut,body);
|
||
}
|
||
}
|
||
|
||
void HttpResponseInvokerImp::operator()(const string &codeOut, const StrCaseMap &headerOut, const string &body) const{
|
||
this->operator()(codeOut,headerOut,std::make_shared<HttpStringBody>(body));
|
||
}
|
||
|
||
HttpResponseInvokerImp::HttpResponseInvokerImp(const HttpResponseInvokerImp::HttpResponseInvokerLambda0 &lambda){
|
||
_lambad = lambda;
|
||
}
|
||
|
||
HttpResponseInvokerImp::HttpResponseInvokerImp(const HttpResponseInvokerImp::HttpResponseInvokerLambda1 &lambda){
|
||
if(!lambda){
|
||
_lambad = nullptr;
|
||
return;
|
||
}
|
||
_lambad = [lambda](const string &codeOut, const StrCaseMap &headerOut, const HttpBody::Ptr &body){
|
||
string str;
|
||
if(body && body->remainSize()){
|
||
str = body->readData(body->remainSize())->toString();
|
||
}
|
||
lambda(codeOut,headerOut,str);
|
||
};
|
||
}
|
||
|
||
void HttpResponseInvokerImp::responseFile(const StrCaseMap &requestHeader,
|
||
const StrCaseMap &responseHeader,
|
||
const string &filePath) const {
|
||
StrCaseMap &httpHeader = const_cast<StrCaseMap&>(responseHeader);
|
||
std::shared_ptr<FILE> fp(fopen(filePath.data(), "rb"), [](FILE *fp) {
|
||
if (fp) {
|
||
fclose(fp);
|
||
}
|
||
});
|
||
|
||
if (!fp) {
|
||
//打开文件失败
|
||
GET_CONFIG(string,notFound,Http::kNotFound);
|
||
GET_CONFIG(string,charSet,Http::kCharSet);
|
||
|
||
auto strContentType = StrPrinter << "text/html; charset=" << charSet << endl;
|
||
httpHeader["Content-Type"] = strContentType;
|
||
(*this)("404 Not Found", httpHeader, notFound);
|
||
return;
|
||
}
|
||
|
||
auto &strRange = const_cast<StrCaseMap &>(requestHeader)["Range"];
|
||
int64_t iRangeStart = 0;
|
||
int64_t iRangeEnd = 0 ;
|
||
int64_t fileSize = HttpMultiFormBody::fileSize(fp.get());
|
||
|
||
const char *pcHttpResult = NULL;
|
||
if (strRange.size() == 0) {
|
||
//全部下载
|
||
pcHttpResult = "200 OK";
|
||
iRangeEnd = fileSize - 1;
|
||
} else {
|
||
//分节下载
|
||
pcHttpResult = "206 Partial Content";
|
||
iRangeStart = atoll(FindField(strRange.data(), "bytes=", "-").data());
|
||
iRangeEnd = atoll(FindField(strRange.data(), "-", "\r\n").data());
|
||
if (iRangeEnd == 0) {
|
||
iRangeEnd = fileSize - 1;
|
||
}
|
||
//分节下载返回Content-Range头
|
||
httpHeader.emplace("Content-Range", StrPrinter << "bytes " << iRangeStart << "-" << iRangeEnd << "/" << fileSize << endl);
|
||
}
|
||
|
||
//回复文件
|
||
HttpBody::Ptr fileBody = std::make_shared<HttpFileBody>(fp, iRangeStart, iRangeEnd - iRangeStart + 1);
|
||
(*this)(pcHttpResult, httpHeader, fileBody);
|
||
}
|
||
|
||
HttpResponseInvokerImp::operator bool(){
|
||
return _lambad.operator bool();
|
||
}
|
||
|
||
|
||
}//namespace mediakit
|