1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
|
#include "websocket.h"
#include <boost/algorithm/string/predicate.hpp>
#include <boost/array.hpp>
#include <boost/endian/conversion.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/plain");
return status + " " + message;
}
} // anonymous namespace
std::string websocket_plugin::name()
{
return "websocket";
}
websocket_plugin::websocket_plugin()
{
//std::cout << "Plugin constructor" << std::endl;
}
websocket_plugin::~websocket_plugin()
{
//std::cout << "Plugin destructor" << std::endl;
}
std::string websocket_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 {
// Request path must not contain "..".
std::string rel_target{GetRequestParam("rel_target")};
size_t query_pos{rel_target.find("?")};
if (query_pos != rel_target.npos)
rel_target = rel_target.substr(0, query_pos);
std::string target{GetRequestParam("target")};
if (rel_target.find("..") != std::string::npos) {
return HttpStatus("400", "Illegal request: "s + target, SetResponseHeader);
}
try {
return "<html>Dummy</html>";
} catch (const std::exception& ex) {
return HttpStatus("500", "Internal Server Error: "s + ex.what(), SetResponseHeader);
}
} catch (const std::exception& ex) {
return HttpStatus("500", "Unknown Error: "s + ex.what(), SetResponseHeader);
}
}
bool websocket_plugin::has_own_authentication()
{
return false;
}
|