diff options
| -rw-r--r-- | Makefile | 2 | ||||
| -rw-r--r-- | debian/changelog | 6 | ||||
| -rw-r--r-- | plugins/weblog/Makefile | 16 | ||||
| -rw-r--r-- | plugins/weblog/weblog.cpp | 121 | ||||
| -rw-r--r-- | plugins/weblog/weblog.h | 10 | ||||
| -rw-r--r-- | webserver.conf | 4 | 
6 files changed, 143 insertions, 16 deletions
@@ -1,7 +1,7 @@  DISTROS=debian10  VERSION=$(shell dpkg-parsechangelog --show-field Version)  PROJECTNAME=webserver -PLUGINS=static-files webbox cgi # weblog fcgi +PLUGINS=static-files webbox cgi weblog # fcgi  CXX=clang++-10 diff --git a/debian/changelog b/debian/changelog index d9802d9..64bc601 100644 --- a/debian/changelog +++ b/debian/changelog @@ -1,3 +1,9 @@ +webserver (1.2) unstable; urgency=medium + +  * Added Weblog module + + -- Roland Reichwein <rr@antcom.de>  Sun, 19 Apr 2020 19:07:24 +0200 +  webserver (1.1) unstable; urgency=medium    * Added CGI diff --git a/plugins/weblog/Makefile b/plugins/weblog/Makefile index 27b68fc..ffd31e1 100644 --- a/plugins/weblog/Makefile +++ b/plugins/weblog/Makefile @@ -25,7 +25,7 @@ CXXFLAGS+= -pthread -fvisibility=hidden -fPIC  ifeq ($(CXX),clang++-10)  CXXFLAGS+=-std=c++20 #-stdlib=libc++  else -CXXFLAGS+=-std=c++2a +CXXFLAGS+=-std=c++17  endif  CXXTESTFLAGS=-Igoogletest/include -Igooglemock/include/ -Igoogletest -Igooglemock @@ -52,8 +52,8 @@ LIBS+= \  #-lstdc++fs  else  LIBS+= \ --lstdc++ -#-lstdc++fs +-lstdc++ \ +-lstdc++fs  endif  PROGSRC=\ @@ -92,14 +92,8 @@ googletest/src/%.o: googletest/src/%.cc  ADD_DEP=Makefile  install: -	mkdir -p $(DESTDIR)/usr/bin -	cp webserver $(DESTDIR)/usr/bin -  	mkdir -p $(DESTDIR)/usr/lib/webserver/plugins -	mkdir -p $(DESTDIR)/usr/local/lib/webserver/plugins - -	mkdir -p $(DESTDIR)/etc -	cp webserver.conf $(DESTDIR)/etc/webserver.conf +	cp $(PROJECTNAME).so $(DESTDIR)/usr/lib/webserver/plugins  # misc ---------------------------------------------------  deb: @@ -116,7 +110,7 @@ debs: $(DISTROS)  clean:  	-rm -f test-$(PROJECTNAME) $(PROJECTNAME) -	-find . -name '*.o' -o -name '*.d' -o -name '*.gcno' -o -name '*.gcda' | xargs rm -f +	-find . -name '*.o' -o -name '*.so' -o -name '*.d' -o -name '*.gcno' -o -name '*.gcda' | xargs rm -f  zip: clean  	-rm -f ../$(PROJECTNAME).zip diff --git a/plugins/weblog/weblog.cpp b/plugins/weblog/weblog.cpp index ef90a53..1c58b73 100644 --- a/plugins/weblog/weblog.cpp +++ b/plugins/weblog/weblog.cpp @@ -1,8 +1,90 @@  #include "weblog.h" +#include <boost/algorithm/string/predicate.hpp> + +#include <filesystem> +#include <fstream>  #include <iostream> +#include <string>  using namespace std::string_literals; +namespace fs = std::filesystem; + +namespace { + +// Return a reasonable mime type based on the extension of a file. +std::string +mime_type(fs::path path) +{ + using boost::algorithm::iequals; + auto const ext = [&path] + { +  size_t pos = path.string().rfind("."); +  if (pos == std::string::npos) +   return std::string{}; +  return path.string().substr(pos); + }(); + if(iequals(ext, ".htm"))  return "text/html"; // TODO: unordered_map + if(iequals(ext, ".html")) return "text/html"; + if(iequals(ext, ".php"))  return "text/html"; + if(iequals(ext, ".css"))  return "text/css"; + if(iequals(ext, ".txt"))  return "text/plain"; + if(iequals(ext, ".js"))   return "application/javascript"; + if(iequals(ext, ".json")) return "application/json"; + if(iequals(ext, ".xml"))  return "application/xml"; + if(iequals(ext, ".swf"))  return "application/x-shockwave-flash"; + if(iequals(ext, ".flv"))  return "video/x-flv"; + if(iequals(ext, ".png"))  return "image/png"; + if(iequals(ext, ".jpe"))  return "image/jpeg"; + if(iequals(ext, ".jpeg")) return "image/jpeg"; + if(iequals(ext, ".jpg"))  return "image/jpeg"; + if(iequals(ext, ".gif"))  return "image/gif"; + if(iequals(ext, ".bmp"))  return "image/bmp"; + if(iequals(ext, ".ico"))  return "image/vnd.microsoft.icon"; + if(iequals(ext, ".tiff")) return "image/tiff"; + if(iequals(ext, ".tif"))  return "image/tiff"; + if(iequals(ext, ".svg"))  return "image/svg+xml"; + if(iequals(ext, ".svgz")) return "image/svg+xml"; + return "application/text"; +} + +std::string getFile(const fs::path& filename) +{ + std::ifstream file(filename.string(), std::ios::in | std::ios::binary | std::ios::ate); + + if (file.is_open()) { +  std::ifstream::pos_type fileSize = file.tellg(); +  file.seekg(0, std::ios::beg); + +  std::string bytes(fileSize, ' '); +  file.read(reinterpret_cast<char*>(bytes.data()), fileSize); + +  return bytes; + + } else { +  throw std::runtime_error("Opening "s + filename.string() + " for reading"); + } +} + +bool is_index_page(std::string& path) +{ + return (path.size() == 0 || path.back() == '/'); +} + +std::string generateIndexPage(std::function<plugin_interface_setter_type>& SetResponseHeader) +{ + return "<html><body><h1>Blog</h1></body></html>"; +} + +// Used to return errors by generating response page and HTTP status code +std::string HttpStatus(std::string status, std::string message, std::function<plugin_interface_setter_type>& SetResponseHeader) +{ + SetResponseHeader("status", status); + SetResponseHeader("content_type", "text/html"); + return status + " " + message; +} + +}  std::string weblog_plugin::name()  { @@ -19,8 +101,43 @@ weblog_plugin::~weblog_plugin()   //std::cout << "Plugin destructor" << std::endl;  } -std::string weblog_plugin::generate_page(std::string path) +std::string weblog_plugin::generate_page( +  std::function<std::string(const std::string& key)>& GetServerParam, +  std::function<std::string(const std::string& key)>& GetRequestParam, // request including body (POST...) +  std::function<void(const std::string& key, const std::string& value)>& SetResponseHeader // to be added to result string +)  { - return "Blog "s + path; + try { +  // Make sure we can handle the method +  std::string method {GetRequestParam("method")}; +  if (method != "GET" && method != "HEAD") +   return HttpStatus("400", "Unknown HTTP method", SetResponseHeader); + +  // Request path must not contain "..". +  std::string rel_target{GetRequestParam("rel_target")}; +  std::string target{GetRequestParam("target")}; +  if (rel_target.find("..") != std::string::npos) { +   return HttpStatus("400", "Illegal request: "s + target, SetResponseHeader); +  } + +  // Build the path to the requested file +  std::string doc_root{GetRequestParam("doc_root")}; +  fs::path path {fs::path{doc_root} / rel_target}; +  if (target.size() && target.back() != '/' && fs::is_directory(path)) { +   std::string location{GetRequestParam("location") + "/"s}; +   SetResponseHeader("location", location); +   return HttpStatus("301", "Correcting directory path", SetResponseHeader); +  } +   +  SetResponseHeader("content_type", "text/html"); +   +  if (is_index_page(rel_target)) +   return generateIndexPage(SetResponseHeader); + +  return HttpStatus("404", "Bad path specification: "s + rel_target, SetResponseHeader); + + } catch (const std::exception& ex) { +  return HttpStatus("500", "Unknown Error: "s + ex.what(), SetResponseHeader); + }  } diff --git a/plugins/weblog/weblog.h b/plugins/weblog/weblog.h index 5433e1c..28b4ab3 100644 --- a/plugins/weblog/weblog.h +++ b/plugins/weblog/weblog.h @@ -1,14 +1,20 @@  #pragma once -#include "../plugin_interface.h" +#include "../../plugin_interface.h"  class weblog_plugin: public webserver_plugin_interface   {  public:   weblog_plugin();   ~weblog_plugin(); +    std::string name(); - std::string generate_page(std::string path); + std::string generate_page( +  std::function<std::string(const std::string& key)>& GetServerParam, +  std::function<std::string(const std::string& key)>& GetRequestParam, // request including body (POST...) +  std::function<void(const std::string& key, const std::string& value)>& SetResponseHeader // to be added to result string + ); +  };  extern "C" BOOST_SYMBOL_EXPORT weblog_plugin webserver_plugin; diff --git a/webserver.conf b/webserver.conf index 46046d9..16ac3e0 100644 --- a/webserver.conf +++ b/webserver.conf @@ -31,6 +31,10 @@      <WEBBOX_READONLY>0</WEBBOX_READONLY>      <auth login="abc" password="def"/>     </path> +   <path requested="/blog"> +    <plugin>weblog</plugin> +    <target>/home/ernie/testblog</target> +   </path>     <path requested="/cgi-bin">      <plugin>cgi</plugin>      <target>/home/ernie/code/webserver/cgi-bin</target>  | 
