pcsx2/common/HTTPDownloader.cpp

322 lines
8.7 KiB
C++

// SPDX-FileCopyrightText: 2002-2024 PCSX2 Dev Team
// SPDX-License-Identifier: GPL-3.0+
#include "common/HTTPDownloader.h"
#include "common/Assertions.h"
#include "common/Console.h"
#include "common/ProgressCallback.h"
#include "common/StringUtil.h"
#include "common/Timer.h"
#include "common/Threading.h"
static constexpr float DEFAULT_TIMEOUT_IN_SECONDS = 30;
static constexpr u32 DEFAULT_MAX_ACTIVE_REQUESTS = 4;
const char HTTPDownloader::DEFAULT_USER_AGENT[] =
"Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:85.0) Gecko/20100101 Firefox/85.0";
HTTPDownloader::HTTPDownloader()
: m_timeout(DEFAULT_TIMEOUT_IN_SECONDS)
, m_max_active_requests(DEFAULT_MAX_ACTIVE_REQUESTS)
{
}
HTTPDownloader::~HTTPDownloader() = default;
void HTTPDownloader::SetTimeout(float timeout)
{
m_timeout = timeout;
}
void HTTPDownloader::SetMaxActiveRequests(u32 max_active_requests)
{
pxAssert(max_active_requests > 0);
m_max_active_requests = max_active_requests;
}
void HTTPDownloader::CreateRequest(std::string url, Request::Callback callback, ProgressCallback* progress)
{
Request* req = InternalCreateRequest();
req->parent = this;
req->type = Request::Type::Get;
req->url = std::move(url);
req->callback = std::move(callback);
req->progress = progress;
req->start_time = Common::Timer::GetCurrentValue();
std::unique_lock<std::mutex> lock(m_pending_http_request_lock);
if (LockedGetActiveRequestCount() < m_max_active_requests)
{
if (!StartRequest(req))
return;
}
LockedAddRequest(req);
}
void HTTPDownloader::CreatePostRequest(std::string url, std::string post_data, Request::Callback callback, ProgressCallback* progress)
{
Request* req = InternalCreateRequest();
req->parent = this;
req->type = Request::Type::Post;
req->url = std::move(url);
req->post_data = std::move(post_data);
req->callback = std::move(callback);
req->progress = progress;
req->start_time = Common::Timer::GetCurrentValue();
std::unique_lock<std::mutex> lock(m_pending_http_request_lock);
if (LockedGetActiveRequestCount() < m_max_active_requests)
{
if (!StartRequest(req))
return;
}
LockedAddRequest(req);
}
void HTTPDownloader::LockedPollRequests(std::unique_lock<std::mutex>& lock)
{
if (m_pending_http_requests.empty())
return;
InternalPollRequests();
const Common::Timer::Value current_time = Common::Timer::GetCurrentValue();
u32 active_requests = 0;
u32 unstarted_requests = 0;
for (size_t index = 0; index < m_pending_http_requests.size();)
{
Request* req = m_pending_http_requests[index];
if (req->state == Request::State::Pending)
{
unstarted_requests++;
index++;
continue;
}
if ((req->state == Request::State::Started || req->state == Request::State::Receiving) &&
current_time >= req->start_time && Common::Timer::ConvertValueToSeconds(current_time - req->start_time) >= m_timeout)
{
// request timed out
Console.Error("Request for '%s' timed out", req->url.c_str());
req->state.store(Request::State::Cancelled);
m_pending_http_requests.erase(m_pending_http_requests.begin() + index);
lock.unlock();
req->callback(HTTP_STATUS_TIMEOUT, std::string(), Request::Data());
CloseRequest(req);
lock.lock();
continue;
}
else if ((req->state == Request::State::Started || req->state == Request::State::Receiving) && req->progress &&
req->progress->IsCancelled())
{
// request timed out
Console.Error("Request for '%s' cancelled", req->url.c_str());
req->state.store(Request::State::Cancelled);
m_pending_http_requests.erase(m_pending_http_requests.begin() + index);
lock.unlock();
req->callback(HTTP_STATUS_CANCELLED, std::string(), Request::Data());
CloseRequest(req);
lock.lock();
continue;
}
if (req->state != Request::State::Complete)
{
if (req->progress)
{
const u32 size = static_cast<u32>(req->data.size());
if (size != req->last_progress_update)
{
req->last_progress_update = size;
req->progress->SetProgressRange(req->content_length);
req->progress->SetProgressValue(req->last_progress_update);
}
}
active_requests++;
index++;
continue;
}
// request complete
DevCon.WriteLn("Request for '%s' complete, returned status code %u and %zu bytes", req->url.c_str(),
req->status_code, req->data.size());
m_pending_http_requests.erase(m_pending_http_requests.begin() + index);
// run callback with lock unheld
lock.unlock();
req->callback(req->status_code, req->content_type, std::move(req->data));
CloseRequest(req);
lock.lock();
}
// start new requests when we finished some
if (unstarted_requests > 0 && active_requests < m_max_active_requests)
{
for (size_t index = 0; index < m_pending_http_requests.size();)
{
Request* req = m_pending_http_requests[index];
if (req->state != Request::State::Pending)
{
index++;
continue;
}
if (!StartRequest(req))
{
m_pending_http_requests.erase(m_pending_http_requests.begin() + index);
continue;
}
active_requests++;
index++;
if (active_requests >= m_max_active_requests)
break;
}
}
}
void HTTPDownloader::PollRequests()
{
std::unique_lock<std::mutex> lock(m_pending_http_request_lock);
LockedPollRequests(lock);
}
void HTTPDownloader::WaitForAllRequests()
{
std::unique_lock<std::mutex> lock(m_pending_http_request_lock);
while (!m_pending_http_requests.empty())
{
// Don't burn too much CPU.
Threading::Sleep(1);
LockedPollRequests(lock);
}
}
void HTTPDownloader::LockedAddRequest(Request* request)
{
m_pending_http_requests.push_back(request);
}
u32 HTTPDownloader::LockedGetActiveRequestCount()
{
u32 count = 0;
for (Request* req : m_pending_http_requests)
{
if (req->state == Request::State::Started || req->state == Request::State::Receiving)
count++;
}
return count;
}
bool HTTPDownloader::HasAnyRequests()
{
std::unique_lock<std::mutex> lock(m_pending_http_request_lock);
return !m_pending_http_requests.empty();
}
std::string HTTPDownloader::GetExtensionForContentType(const std::string& content_type)
{
// Based on https://developer.mozilla.org/en-US/docs/Web/HTTP/Basics_of_HTTP/MIME_types/Common_types
static constexpr const char* table[][2] = {
{"audio/aac", "aac"},
{"application/x-abiword", "abw"},
{"application/x-freearc", "arc"},
{"image/avif", "avif"},
{"video/x-msvideo", "avi"},
{"application/vnd.amazon.ebook", "azw"},
{"application/octet-stream", "bin"},
{"image/bmp", "bmp"},
{"application/x-bzip", "bz"},
{"application/x-bzip2", "bz2"},
{"application/x-cdf", "cda"},
{"application/x-csh", "csh"},
{"text/css", "css"},
{"text/csv", "csv"},
{"application/msword", "doc"},
{"application/vnd.openxmlformats-officedocument.wordprocessingml.document", "docx"},
{"application/vnd.ms-fontobject", "eot"},
{"application/epub+zip", "epub"},
{"application/gzip", "gz"},
{"image/gif", "gif"},
{"text/html", "htm"},
{"image/vnd.microsoft.icon", "ico"},
{"text/calendar", "ics"},
{"application/java-archive", "jar"},
{"image/jpeg", "jpg"},
{"text/javascript", "js"},
{"application/json", "json"},
{"application/ld+json", "jsonld"},
{"audio/midi audio/x-midi", "mid"},
{"text/javascript", "mjs"},
{"audio/mpeg", "mp3"},
{"video/mp4", "mp4"},
{"video/mpeg", "mpeg"},
{"application/vnd.apple.installer+xml", "mpkg"},
{"application/vnd.oasis.opendocument.presentation", "odp"},
{"application/vnd.oasis.opendocument.spreadsheet", "ods"},
{"application/vnd.oasis.opendocument.text", "odt"},
{"audio/ogg", "oga"},
{"video/ogg", "ogv"},
{"application/ogg", "ogx"},
{"audio/opus", "opus"},
{"font/otf", "otf"},
{"image/png", "png"},
{"application/pdf", "pdf"},
{"application/x-httpd-php", "php"},
{"application/vnd.ms-powerpoint", "ppt"},
{"application/vnd.openxmlformats-officedocument.presentationml.presentation", "pptx"},
{"application/vnd.rar", "rar"},
{"application/rtf", "rtf"},
{"application/x-sh", "sh"},
{"image/svg+xml", "svg"},
{"application/x-tar", "tar"},
{"image/tiff", "tif"},
{"video/mp2t", "ts"},
{"font/ttf", "ttf"},
{"text/plain", "txt"},
{"application/vnd.visio", "vsd"},
{"audio/wav", "wav"},
{"audio/webm", "weba"},
{"video/webm", "webm"},
{"image/webp", "webp"},
{"font/woff", "woff"},
{"font/woff2", "woff2"},
{"application/xhtml+xml", "xhtml"},
{"application/vnd.ms-excel", "xls"},
{"application/vnd.openxmlformats-officedocument.spreadsheetml.sheet", "xlsx"},
{"application/xml", "xml"},
{"text/xml", "xml"},
{"application/vnd.mozilla.xul+xml", "xul"},
{"application/zip", "zip"},
{"video/3gpp", "3gp"},
{"audio/3gpp", "3gp"},
{"video/3gpp2", "3g2"},
{"audio/3gpp2", "3g2"},
{"application/x-7z-compressed", "7z"},
};
std::string ret;
for (size_t i = 0; i < std::size(table); i++)
{
if (StringUtil::compareNoCase(table[i][0], content_type))
{
ret = table[i][1];
break;
}
}
return ret;
}