NAWA 0.9
Web Application Framework for C++
gpctest.cpp
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1/*
2 * Copyright (C) 2019-2022 Tobias Flaig.
3 *
4 * This file is part of nawa.
5 *
6 * nawa is free software: you can redistribute it and/or modify
7 * it under the terms of the GNU Lesser General Public License,
8 * version 3, as published by the Free Software Foundation.
9 *
10 * nawa is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU Lesser General Public License for more details.
14 *
15 * You should have received a copy of the GNU Lesser General Public License
16 * along with nawa. If not, see <https://www.gnu.org/licenses/>.
17 */
18
24#include <nawa/application.h>
25#include <nawa/util/encoding.h>
26
27using namespace nawa;
28using namespace std;
29
30int init(AppInit& appInit) {
31 return 0;
32}
33
34int handleRequest(Connection& connection) {
35
36 auto& resp = connection.responseStream();
37 auto& req = connection.request();
38 auto& session = connection.session();
39
40 session.start();
41
42 if (req.get().count("download") == 1 && session.isSet(req.get()["download"])) {
43 try {
44 auto downloadFile = any_cast<File const>(session[req.get()["download"]]);
45 connection.setHeader("content-type", downloadFile.contentType());
46 connection.setHeader("content-disposition", "attachment; filename=\"" + downloadFile.filename() + "\"");
47 connection.setHeader("content-length", to_string(downloadFile.size()));
48 connection.setResponseBody(downloadFile.toString());
49 return 0;
50 } catch (bad_any_cast const& e) {
51 resp << "Bad any cast: " << e.what();
52 return 0;
53 }
54 }
55
56 resp << "<!DOCTYPE html>\n"
57 "<html><head><title>NAWA GPC Test</title></head><body>\n";
58
59 auto printEncoded = [&](string const& k, string const& v) {
60 resp << "<li>[" << encoding::htmlEncode(k) << "] = " << encoding::htmlEncode(v) << "</li>";
61 };
62
63 if (req.cookie()) {
64 resp << "<p>COOKIE vars:</p><ul>";
65 for (auto const& [k, v] : req.cookie()) {
66 printEncoded(k, v);
67 }
68 resp << "</ul>";
69 }
70
71 if (req.get()) {
72 resp << "<p>GET vars:</p><ul>";
73 for (auto const& [k, v] : req.get()) {
74 printEncoded(k, v);
75 }
76 resp << "</ul>";
77 }
78
79 if (req.post()) {
80 resp << "<p>POST vars (without files):</p><ul>";
81 for (auto const& [k, v] : req.post()) {
82 printEncoded(k, v);
83 }
84 resp << "</ul>";
85 }
86
87 if (req.post().hasFiles()) {
88 resp << "<p>POST files:</p><ul>";
89 for (auto const& [k, v] : req.post().getFileMultimap()) {
90 // skip empty files
91 if (v.size() == 0) {
92 continue;
93 }
94
95 resp << "<li>[" << encoding::htmlEncode(k) << "]: "
96 << R"(<a href="?download=)" << encoding::urlEncode(v.filename()) << R"(">)"
97 << encoding::htmlEncode(v.filename())
98 << "; size: "
99 << v.size()
100 << "; content type: "
101 << encoding::htmlEncode(v.contentType())
102 << "</a></li>";
103
104 // Saving files in session and not even cleaning them up at some point is something that clearly
105 // shouldn't be done outside of a test app :)
106 session.set(v.filename(), v);
107 }
108 resp << "</ul>";
109 }
110
111 if (req.post().getRaw()) {
112 resp << "<p>Raw POST data:</p><pre>" << *req.post().getRaw() << "</pre>";
113 }
114
115 resp << R"(<p>Some POST form:</p><form name="testform" method="post" action="?" enctype="multipart/form-data">)"
116 << R"(<p>Field one (1): <input type="text" name="one"></p>)"
117 << R"(<p>Field one (2): <input type="text" name="one"></p>)"
118 << R"(<p>Field two: <input type="text" name="two"></p>)"
119 << R"(<p>Field fileupload (1): <input type="file" name="fileupload"></p>)"
120 << R"(<p>Field fileupload (2): <input type="file" name="fileupload"></p>)"
121 << R"(<p><input type="submit" value="Go" name="submit"></p></form>)";
122
123 return 0;
124}
application.h
This file will be configured by CMake and contains the necessary properties to ensure that a loaded a...
nawa::Connection::session
nawa::Session & session() noexcept
Definition: Connection.cpp:361
nawa::Connection::setHeader
void setHeader(std::string key, std::string value)
Definition: Connection.cpp:218
nawa::Connection::responseStream
std::ostream & responseStream() noexcept
Definition: Connection.cpp:377
nawa::Connection::request
nawa::Request const & request() const noexcept
Definition: Connection.cpp:357
nawa::Connection::setResponseBody
void setResponseBody(std::string content)
Definition: Connection.cpp:134
nawa::Session::start
std::string start(std::string sessionId, std::optional< unsigned long > keepalive=std::nullopt)
Definition: Session.cpp:127
encoding.h
Namespace containing functions for text encoding and decoding.
handleRequest
int handleRequest(Connection &connection)
Definition: gpctest.cpp:34
init
int init(AppInit &appInit)
Definition: gpctest.cpp:30
nawa::encoding::urlEncode
std::string urlEncode(std::string const &input)
Definition: encoding.cpp:238
nawa::encoding::htmlEncode
std::string htmlEncode(std::string input, bool encodeAll=false)
Definition: encoding.cpp:133
nawa
Definition: AppInit.h:31