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WebServer: Stream the downloaded files

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...instead of reading them into memory first.
This makes it possible to download large files from WebServer.
This commit is contained in:
AnotherTest 2021-01-30 14:20:42 +03:30 • committed by Andreas Kling
parent 58abdde2e4
commit bdda1600d0
2 changed files with 19 additions and 6 deletions
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23
Userland/Services/WebServer/Client.cpp
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@ -28,11 +28,13 @@
#include <AK/Base64.h>
#include <AK/LexicalPath.h>
#include <AK/MappedFile.h>
#include <AK/MemoryStream.h>
#include <AK/StringBuilder.h>
#include <AK/URLParser.h>
#include <LibCore/DateTime.h>
#include <LibCore/DirIterator.h>
#include <LibCore/File.h>
#include <LibCore/FileStream.h>
#include <LibCore/MimeData.h>
#include <LibHTTP/HttpRequest.h>
#include <stdio.h>
@ -125,10 +127,12 @@ void Client::handle_request(ReadonlyBytes raw_request)
return;
}
send_response(file->read_all(), request, Core::guess_mime_type_based_on_filename(real_path));
Core::InputFileStream stream { file };
send_response(stream, request, Core::guess_mime_type_based_on_filename(real_path));
}
void Client::send_response(StringView response, const HTTP::HttpRequest& request, const String& content_type)
void Client::send_response(InputStream& response, const HTTP::HttpRequest& request, const String& content_type)
{
StringBuilder builder;
builder.append("HTTP/1.0 200 OK\r\n");
@ -139,9 +143,16 @@ void Client::send_response(StringView response, const HTTP::HttpRequest& request
builder.append("\r\n");
m_socket->write(builder.to_string());
m_socket->write(response);
log_response(200, request);
char buffer[PAGE_SIZE];
do {
auto size = response.read({ buffer, sizeof(buffer) });
if (response.unreliable_eof() && size == 0)
break;
m_socket->write({ buffer, size });
} while (true);
}
void Client::send_redirect(StringView redirect_path, const HTTP::HttpRequest& request)
@ -240,7 +251,9 @@ void Client::handle_directory_listing(const String& requested_path, const String
builder.append("</body>\n");
builder.append("</html>\n");
send_response(builder.to_string(), request, "text/html");
auto response = builder.to_string();
InputMemoryStream stream { response.bytes() };
send_response(stream, request, "text/html");
}
void Client::send_error_response(unsigned code, const StringView& message, const HTTP::HttpRequest& request)