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Now using boost::filesystem in the default_resource examples.

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This commit is contained in:
eidheim 2015-06-27 13:04:35 +02:00
commit dc944ce2fb
4 changed files with 92 additions and 96 deletions
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90
https_examples.cpp
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@ -7,7 +7,8 @@
#include <boost/property_tree/json_parser.hpp>
//Added for the default_resource example
#include<fstream>
#include <fstream>
#include <boost/filesystem.hpp>
using namespace std;
//Added for the json-example:
@ -81,53 +82,50 @@ int main() {
//Default file: index.html
//Can for instance be used to retrieve an HTML 5 client that uses REST-resources on this server
server.default_resource["GET"]=[](HttpsServer::Response& response, shared_ptr<HttpsServer::Request> request) {
string filename="web";
string path=request->path;
//Replace all ".." with "." (so we can't leave the web-directory)
size_t pos;
while((pos=path.find(".."))!=string::npos) {
path.erase(pos, 1);
}
filename+=path;
ifstream ifs;
//A simple platform-independent file-or-directory check do not exist, but this works in most of the cases:
if(filename.find('.')==string::npos) {
if(filename[filename.length()-1]!='/')
filename+='/';
filename+="index.html";
}
ifs.open(filename, ifstream::in);
if(ifs) {
ifs.seekg(0, ios::end);
size_t length=ifs.tellg();
ifs.seekg(0, ios::beg);
response << "HTTP/1.1 200 OK\r\nContent-Length: " << length << "\r\n\r\n";
//read and send 128 KB at a time if file-size>buffer_size
size_t buffer_size=131072;
if(length>buffer_size) {
vector<char> buffer(buffer_size);
size_t read_length;
while((read_length=ifs.read(&buffer[0], buffer_size).gcount())>0) {
response.stream.write(&buffer[0], read_length);
response << HttpsServer::flush;
}
}
else
response << ifs.rdbuf();
ifs.close();
}
boost::filesystem::path web_root_path("web");
if(!boost::filesystem::exists(web_root_path))
cerr << "Could not find web root." << endl;
else {
string content="Could not open file "+filename;
response << "HTTP/1.1 400 Bad Request\r\nContent-Length: " << content.length() << "\r\n\r\n" << content;
auto path=web_root_path;
path+=request->path;
if(boost::filesystem::exists(path)) {
if(boost::filesystem::canonical(web_root_path)<=boost::filesystem::canonical(path)) {
if(boost::filesystem::is_directory(path))
path+="/index.html";
if(boost::filesystem::exists(path) && boost::filesystem::is_regular_file(path)) {
ifstream ifs;
ifs.open(path.string(), ifstream::in);
if(ifs) {
ifs.seekg(0, ios::end);
size_t length=ifs.tellg();
ifs.seekg(0, ios::beg);
response << "HTTP/1.1 200 OK\r\nContent-Length: " << length << "\r\n\r\n";
//read and send 128 KB at a time if file-size>buffer_size
size_t buffer_size=131072;
if(length>buffer_size) {
vector<char> buffer(buffer_size);
size_t read_length;
while((read_length=ifs.read(&buffer[0], buffer_size).gcount())>0) {
response.stream.write(&buffer[0], read_length);
response << HttpsServer::flush;
}
}
else
response << ifs.rdbuf();
ifs.close();
return;
}
}
}
}
}
string content="Could not open path "+request->path;
response << "HTTP/1.1 400 Bad Request\r\nContent-Length: " << content.length() << "\r\n\r\n" << content;
};
thread server_thread([&server](){