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WebServer: Add basic directory listings

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If a directory does not have an index.html file, we will now generate
a directory listing HTML document for that directory on the fly. :^)
This commit is contained in:
Andreas Kling 2020-02-12 21:18:04 +01:00
parent 90fec9c732
commit 083f3edcb0
2 changed files with 58 additions and 7 deletions
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63
Servers/WebServer/Client.cpp
View file

@ -28,6 +28,7 @@
#include <AK/FileSystemPath.h>
#include <AK/StringBuilder.h>
#include <LibCore/DateTime.h>
#include <LibCore/DirIterator.h>
#include <LibCore/File.h>
#include <LibCore/HttpRequest.h>
#include <stdio.h>
@ -79,22 +80,37 @@ void Client::handle_request(ByteBuffer raw_request)
return;
}
FileSystemPath canonical_path(request.resource());
dbg() << "Requested canonical path: '" << canonical_path.string() << "'";
auto requested_path = canonicalized_path(request.resource());
dbg() << "Canonical requested path: '" << requested_path << "'";
StringBuilder path_builder;
path_builder.append("/www/");
path_builder.append(canonical_path.string());
path_builder.append(requested_path);
auto real_path = path_builder.to_string();
if (Core::File::is_directory(path_builder.to_string()))
path_builder.append("/index.html");
if (Core::File::is_directory(real_path)) {
StringBuilder index_html_path_builder;
index_html_path_builder.append(real_path);
index_html_path_builder.append("/index.html");
auto index_html_path = index_html_path_builder.to_string();
if (!Core::File::exists(index_html_path)) {
handle_directory_listing(requested_path, real_path, request);
return;
}
real_path = index_html_path;
}
auto file = Core::File::construct(path_builder.to_string());
auto file = Core::File::construct(real_path);
if (!file->open(Core::File::ReadOnly)) {
send_error_response(404, "Not found, bro!", request);
return;
}
send_response(file->read_all(), request);
}
void Client::send_response(StringView response, const Core::HttpRequest& request)
{
StringBuilder builder;
builder.append("HTTP/1.0 200 OK\r\n");
builder.append("Server: WebServer (SerenityOS)\r\n");
@ -102,11 +118,44 @@ void Client::handle_request(ByteBuffer raw_request)
builder.append("\r\n");
m_socket->write(builder.to_string());
m_socket->write(file->read_all());
m_socket->write(response);
log_response(200, request);
}
void Client::handle_directory_listing(const String& requested_path, const String& real_path, const Core::HttpRequest& request)
{
StringBuilder builder;
builder.append("<!DOCTYPE html>\n");
builder.append("<html>\n");
builder.append("<head><title>Index of ");
builder.append(requested_path);
builder.append("</title></head>\n");
builder.append("<body>\n");
builder.append("<h1>Index of ");
builder.append(requested_path);
builder.append("</h1>\n");
builder.append("<ul>\n");
Core::DirIterator dt(real_path);
while (dt.has_next()) {
auto name = dt.next_path();
builder.append("<li>");
builder.append("<a href=\"");
builder.append(name);
builder.append("\">");
builder.append(name);
builder.append("</a></li>\n");
}
builder.append("</ul>\n");
builder.append("</body>\n");
builder.append("</html>\n");
send_response(builder.to_string(), request);
}
void Client::send_error_response(unsigned code, const StringView& message, const Core::HttpRequest& request)
{
StringBuilder builder;