This commit is contained in:
Luna 2025-05-02 05:58:01 +02:00
commit 8c3661889f
5 changed files with 273 additions and 0 deletions

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.gitmodules vendored Normal file
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[submodule "netlib"]
path = netlib
url = https://github.com/Lluna4/netlib

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CMakeLists.txt Normal file
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cmake_minimum_required(VERSION 3.10.0)
project(web_serv VERSION 0.1.0 LANGUAGES C CXX)
set(CMAKE_CXX_STANDARD 23)
add_subdirectory(netlib)
add_executable(web_serv main.cpp)
target_link_libraries(web_serv PRIVATE netlib)

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main.cpp Normal file
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#include "netlib/src/netlib.h"
#include <sys/sendfile.h>
#include <print>
#include <fstream>
int atoi_newline(const char *data)
{
int ret = 0;
while (true)
{
ret += *data - '0';
data++;
if (*data == '\n' || *data == '\0' || *data == '\r')
break;
ret *= 10;
}
return ret;
}
int main()
{
netlib::server_raw server;
server.open_server("0.0.0.0", 8080);
while (true)
{
std::vector<int> readable = server.get_readable();
for (auto user: readable)
{
char *data = server.receive_everything(user);
if (data)
{
std::string_view dat(data);
if (dat.starts_with("GET") && dat.size() > 4)
{
dat.remove_prefix(4);
int ins_size = 0;
for (auto c: dat)
{
if (c == ' ')
break;
ins_size++;
}
dat.remove_suffix(dat.size() - ins_size);
std::println("{}", dat);
if (dat.compare("/") == 0)
{
netlib::send_packet(std::make_tuple(std::string("HTTP/1.1 200 OK\r\nContent-Type: text/html\r\n\r\n")), user);
std::ifstream file("../test.html",std::ios::binary);
std::streampos size = file.tellg();
file.seekg(0, std::ios::end);
size = file.tellg() - size;
file.close();
int filefd = open("../test.html", O_RDONLY);
sendfile(user, filefd, 0, size);
}
server.disconnect_user(user);
}
if (dat.starts_with("POST"))
{
size_t pos = dat.find("Content-Length");
dat.remove_prefix(pos);
dat.remove_prefix(strlen("Content-Length: "));
int lenght = atoi_newline(dat.data());
std::println("{} {}", dat, lenght);
pos = dat.find("image/png");
dat.remove_prefix(pos);
dat.remove_prefix(strlen("image/png\r\n") + 2);
std::ofstream a("Test.png", std::ios::binary);
a.write(dat.data(), lenght);
netlib::send_packet(std::make_tuple(std::string("HTTP/1.1 201 CREATED")), user);
server.disconnect_user(user);
}
}
}
std::this_thread::sleep_for(std::chrono::milliseconds(50));
}
}

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netlib Submodule

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Subproject commit 1dc4578cf1c732065894d961b4ffcb81e12c090d

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test.html Normal file
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//THIS IS NOT MY CODE, THIS IS AN AI GENERATED CODE TO TEST MY SERVER AND SEE HOW EVERYTHING WORKS
//I WILL CHANGE IT TO MY OWN WHEN MY SERVER WORKS PROPERLY
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Drag and Drop File Upload</title>
<style>
#drop_zone {
border: 5px dashed blue; /* Dashed looks more like a typical drop zone */
width: 300px;
height: 150px;
padding: 20px;
text-align: center;
font-family: sans-serif;
line-height: 1.5;
transition: border-color 0.3s, background-color 0.3s; /* Add smooth transition */
}
#drop_zone.dragover { /* Style when dragging over */
border-color: green;
background-color: #e0ffe0;
}
#status {
margin-top: 15px;
font-family: sans-serif;
font-weight: bold;
}
</style>
</head>
<body>
<h1>Simple File Upload via Drag & Drop</h1>
<div
id="drop_zone"
ondrop="dropHandler(event);"
ondragover="dragOverHandler(event);"
ondragenter="dragEnterHandler(event);" /* Optional: visual feedback on enter */
ondragleave="dragLeaveHandler(event);" /* Optional: visual feedback on leave */
>
<p>Drag one or more files to this <i>drop zone</i>.</p>
</div>
<div id="status"></div> <!-- To display upload status -->
<script>
const dropZone = document.getElementById('drop_zone');
const statusDiv = document.getElementById('status');
function dropHandler(ev) {
console.log("File(s) dropped");
statusDiv.textContent = 'Processing dropped file(s)...';
dropZone.classList.remove('dragover'); // Remove highlight style
// Prevent default behavior (Prevent file from being opened)
ev.preventDefault();
let filesToUpload = []; // Store files to potentially upload
if (ev.dataTransfer.items) {
// Use DataTransferItemList interface to access the file(s)
[...ev.dataTransfer.items].forEach((item, i) => {
// If dropped items aren't files, reject them
if (item.kind === "file") {
const file = item.getAsFile();
if (file) { // Check if getAsFile() returned a file
console.log(`… file[${i}].name = ${file.name}`);
filesToUpload.push(file); // Add file to our list
} else {
console.log(`… item[${i}] is a file but couldn't be accessed (perhaps a directory?).`);
}
} else {
console.log(`… item[${i}].kind = ${item.kind} (not a file)`);
}
});
} else {
// Use DataTransfer interface to access the file(s)
[...ev.dataTransfer.files].forEach((file, i) => {
console.log(`… file[${i}].name = ${file.name}`);
filesToUpload.push(file); // Add file to our list
});
}
// --- UPLOAD THE FILE(S) ---
if (filesToUpload.length > 0) {
statusDiv.textContent = `Found ${filesToUpload.length} file(s). Uploading...`;
// Example: Uploading the first file found
// uploadFile(filesToUpload[0]);
// OR: Upload ALL dropped files sequentially
// (You might want more advanced logic for parallel uploads or progress bars)
filesToUpload.forEach(uploadFile);
} else {
console.log("No valid files found to upload.");
statusDiv.textContent = 'No valid files detected in drop.';
}
}
function dragOverHandler(ev) {
// Prevent default behavior (Prevent file from being opened)
ev.preventDefault();
// Optional: Visual feedback
// dropZone.classList.add('dragover'); // Handled by dragenter now
}
function dragEnterHandler(ev) {
// Optional visual feedback
console.log("File entered drop zone");
dropZone.classList.add('dragover');
ev.preventDefault(); // Necessary for drop event to fire correctly in some browsers
}
function dragLeaveHandler(ev) {
// Optional visual feedback
console.log("File left drop zone");
// Ensure it only removes class if leaving the drop_zone itself, not child elements
if (ev.target === dropZone) {
dropZone.classList.remove('dragover');
}
}
// --- Handles the actual upload ---
function uploadFile(file) {
// V V V V V V V V V V V V V V V V V V V V V V V V V V V V V V V V V V V
// IMPORTANT: Replace this URL with your actual server endpoint!
const url = '/your-server-upload-endpoint';
// ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^
const formData = new FormData();
// 'uploadedFile' is the name the server will look for.
// You might need to change this depending on your server-side code.
formData.append('uploadedFile', file, file.name);
console.log(`Uploading ${file.name} to ${url}`);
statusDiv.textContent = `Uploading ${file.name}...`; // Update status
fetch(url, {
method: 'POST', // Or 'PUT' depending on your server API
body: formData,
// Headers are often not needed for FormData uploads,
// the browser sets the 'Content-Type' to 'multipart/form-data' automatically.
})
.then(response => {
if (!response.ok) {
// Throw an error if the server response is not 2xx
// Try to get error message from body if possible
return response.text().then(text => {
throw new Error(`Server responded with ${response.status}: ${response.statusText}. Body: ${text}`);
});
}
// Check if the response body is likely JSON or text
const contentType = response.headers.get("content-type");
if (contentType && contentType.includes("application/json")) {
return response.json(); // Parse JSON response
} else {
return response.text(); // Get response as text
}
})
.then(data => {
console.log(`Upload successful for ${file.name}:`, data);
// Add user feedback here
statusDiv.textContent = `Successfully uploaded ${file.name}! Server response: ${typeof data === 'object' ? JSON.stringify(data) : data}`;
})
.catch(error => {
console.error(`Error during upload for ${file.name}:`, error);
// Add user feedback here
statusDiv.textContent = `Error uploading ${file.name}: ${error.message}`;
dropZone.classList.remove('dragover'); // Ensure highlight is removed on error
});
}
</script>
</body>
</html>