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authorRoland Reichwein <mail@reichwein.it>2020-05-03 12:01:13 +0200
committerRoland Reichwein <mail@reichwein.it>2020-05-03 12:01:13 +0200
commit21a066b4b972bd055b424a946ff1f80a939443c3 (patch)
tree177ece2787518f3e68bd073ebd887548f9672d79 /plugins/redirect
parent4e699f552db264b9d988873f2189440280e821a7 (diff)
Added redirect plugin, documentation
Diffstat (limited to 'plugins/redirect')
-rw-r--r--plugins/redirect/Makefile124
-rw-r--r--plugins/redirect/redirect.cpp64
-rw-r--r--plugins/redirect/redirect.h21
3 files changed, 209 insertions, 0 deletions
diff --git a/plugins/redirect/Makefile b/plugins/redirect/Makefile
new file mode 100644
index 0000000..aea8106
--- /dev/null
+++ b/plugins/redirect/Makefile
@@ -0,0 +1,124 @@
+DISTROS=debian10
+VERSION=$(shell dpkg-parsechangelog --show-field Version)
+PROJECTNAME=redirect
+
+CXX=clang++-10
+
+ifeq ($(shell which $(CXX)),)
+CXX=clang++
+endif
+
+ifeq ($(shell which $(CXX)),)
+CXX=g++-9
+endif
+
+ifeq ($(CXXFLAGS),)
+#CXXFLAGS=-O2 -DNDEBUG
+CXXFLAGS=-O0 -g -D_DEBUG
+endif
+# -fprofile-instr-generate -fcoverage-mapping
+# gcc:--coverage
+
+CXXFLAGS+= -Wall -I.
+
+CXXFLAGS+= -pthread -fvisibility=hidden -fPIC
+ifeq ($(CXX),clang++-10)
+CXXFLAGS+=-std=c++20 #-stdlib=libc++
+else
+CXXFLAGS+=-std=c++17
+endif
+
+CXXTESTFLAGS=-Igoogletest/include -Igooglemock/include/ -Igoogletest -Igooglemock
+
+LIBS=\
+-lboost_context \
+-lboost_coroutine \
+-lboost_program_options \
+-lboost_system \
+-lboost_thread \
+-lboost_filesystem \
+-lboost_regex \
+-lpthread \
+-lssl -lcrypto \
+-ldl
+
+ifeq ($(CXX),clang++-10)
+LIBS+= \
+-fuse-ld=lld-10 \
+-lstdc++
+#-lc++ \
+#-lc++abi
+#-lc++fs
+#-lstdc++fs
+else
+LIBS+= \
+-lstdc++ \
+-lstdc++fs
+endif
+
+PROGSRC=\
+ redirect.cpp
+
+TESTSRC=\
+ test-webserver.cpp \
+ googlemock/src/gmock-all.cpp \
+ googletest/src/gtest-all.cpp \
+ $(PROGSRC)
+
+SRC=$(PROGSRC)
+
+all: $(PROJECTNAME).so
+
+# testsuite ----------------------------------------------
+test-$(PROJECTNAME): $(TESTSRC:.cpp=.o)
+ $(CXX) $(CXXFLAGS) $^ $(LIBS) -o $@
+
+$(PROJECTNAME).so: $(SRC:.cpp=.o)
+ $(CXX) -shared $(CXXFLAGS) $^ $(LIBS) -o $@
+
+dep: $(TESTSRC:.cpp=.d)
+
+%.d: %.cpp
+ $(CXX) $(CXXFLAGS) $(CXXTESTFLAGS) -MM -MP -MF $@ -c $<
+
+%.o: %.cpp %.d
+ $(CXX) $(CXXFLAGS) $(CXXTESTFLAGS) -c $< -o $@
+
+googletest/src/%.o: googletest/src/%.cc
+ $(CXX) $(CXXFLAGS) $(CXXTESTFLAGS) -c $< -o $@
+
+# dependencies
+
+ADD_DEP=Makefile
+
+install:
+ mkdir -p $(DESTDIR)/usr/lib/webserver/plugins
+ cp $(PROJECTNAME).so $(DESTDIR)/usr/lib/webserver/plugins
+
+# misc ---------------------------------------------------
+deb:
+ # build binary deb package
+ dpkg-buildpackage -us -uc -rfakeroot
+
+deb-src:
+ dpkg-source -b .
+
+$(DISTROS): deb-src
+ sudo pbuilder build --basetgz /var/cache/pbuilder/$@.tgz --buildresult result/$@ ../webserver_$(VERSION).dsc ; \
+
+debs: $(DISTROS)
+
+clean:
+ -rm -f test-$(PROJECTNAME) $(PROJECTNAME)
+ -find . -name '*.o' -o -name '*.so' -o -name '*.d' -o -name '*.gcno' -o -name '*.gcda' | xargs rm -f
+
+zip: clean
+ -rm -f ../$(PROJECTNAME).zip
+ zip -r ../$(PROJECTNAME).zip *
+ ls -l ../$(PROJECTNAME).zip
+
+
+
+.PHONY: clean all zip install deb deb-src debs all $(DISTROS)
+
+-include $(wildcard $(SRC:.cpp=.d))
diff --git a/plugins/redirect/redirect.cpp b/plugins/redirect/redirect.cpp
new file mode 100644
index 0000000..91d5f64
--- /dev/null
+++ b/plugins/redirect/redirect.cpp
@@ -0,0 +1,64 @@
+#include "redirect.h"
+
+#include <boost/algorithm/string/predicate.hpp>
+#include <boost/coroutine2/coroutine.hpp>
+#include <boost/process.hpp>
+
+#include <algorithm>
+#include <filesystem>
+#include <fstream>
+#include <iostream>
+#include <string>
+#include <unordered_map>
+
+using namespace std::string_literals;
+namespace bp = boost::process;
+namespace fs = std::filesystem;
+
+namespace {
+
+ // 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;
+ }
+
+} // anonymous namespace
+
+std::string redirect_plugin::name()
+{
+ return "redirect";
+}
+
+redirect_plugin::redirect_plugin()
+{
+ //std::cout << "Plugin constructor" << std::endl;
+}
+
+redirect_plugin::~redirect_plugin()
+{
+ //std::cout << "Plugin destructor" << std::endl;
+}
+
+std::string redirect_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
+)
+{
+ try {
+ std::string new_location{GetRequestParam("doc_root")};
+
+ std::string status_code{GetRequestParam("STATUS_CODE")};
+ std::string message{GetRequestParam("MESSAGE")};
+
+ SetResponseHeader("location", new_location);
+ return HttpStatus(status_code, message, SetResponseHeader);
+
+ } catch (const std::exception& ex) {
+ return HttpStatus("500", "Unknown Error: "s + ex.what(), SetResponseHeader);
+ }
+}
+
diff --git a/plugins/redirect/redirect.h b/plugins/redirect/redirect.h
new file mode 100644
index 0000000..403cc16
--- /dev/null
+++ b/plugins/redirect/redirect.h
@@ -0,0 +1,21 @@
+#pragma once
+
+#include "../../plugin_interface.h"
+
+class redirect_plugin: public webserver_plugin_interface
+{
+public:
+ redirect_plugin();
+ ~redirect_plugin();
+
+ std::string name();
+ 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 redirect_plugin webserver_plugin;
+redirect_plugin webserver_plugin;