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https://github.com/tomahawk-player/tomahawk.git
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* Added breakpad support for Linux.
This commit is contained in:
Christian Muehlhaeuser
412
thirdparty/breakpad/common/windows/http_upload.cc
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412
thirdparty/breakpad/common/windows/http_upload.cc
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// Copyright (c) 2006, Google Inc.
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// All rights reserved.
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//
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are
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// met:
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//
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// * Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above
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// copyright notice, this list of conditions and the following disclaimer
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// in the documentation and/or other materials provided with the
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// distribution.
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// * Neither the name of Google Inc. nor the names of its
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// contributors may be used to endorse or promote products derived from
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// this software without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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#include <assert.h>
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// Disable exception handler warnings.
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#pragma warning( disable : 4530 )
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#include <fstream>
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#include "common/windows/string_utils-inl.h"
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#include "common/windows/http_upload.h"
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namespace google_breakpad {
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using std::ifstream;
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using std::ios;
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static const wchar_t kUserAgent[] = L"Breakpad/1.0 (Windows)";
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// Helper class which closes an internet handle when it goes away
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class HTTPUpload::AutoInternetHandle {
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public:
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explicit AutoInternetHandle(HINTERNET handle) : handle_(handle) {}
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~AutoInternetHandle() {
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if (handle_) {
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InternetCloseHandle(handle_);
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}
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}
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HINTERNET get() { return handle_; }
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private:
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HINTERNET handle_;
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};
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// static
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bool HTTPUpload::SendRequest(const wstring &url,
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const map<wstring, wstring> ¶meters,
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const wstring &upload_file,
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const wstring &file_part_name,
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int *timeout,
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wstring *response_body,
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int *response_code) {
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if (response_code) {
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*response_code = 0;
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}
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// TODO(bryner): support non-ASCII parameter names
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if (!CheckParameters(parameters)) {
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return false;
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}
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// Break up the URL and make sure we can handle it
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wchar_t scheme[16], host[256], path[256];
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URL_COMPONENTS components;
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memset(&components, 0, sizeof(components));
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components.dwStructSize = sizeof(components);
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components.lpszScheme = scheme;
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components.dwSchemeLength = sizeof(scheme) / sizeof(scheme[0]);
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components.lpszHostName = host;
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components.dwHostNameLength = sizeof(host) / sizeof(host[0]);
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components.lpszUrlPath = path;
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components.dwUrlPathLength = sizeof(path) / sizeof(path[0]);
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if (!InternetCrackUrl(url.c_str(), static_cast<DWORD>(url.size()),
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0, &components)) {
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return false;
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}
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bool secure = false;
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if (wcscmp(scheme, L"https") == 0) {
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secure = true;
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} else if (wcscmp(scheme, L"http") != 0) {
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return false;
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}
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AutoInternetHandle internet(InternetOpen(kUserAgent,
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INTERNET_OPEN_TYPE_PRECONFIG,
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NULL, // proxy name
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NULL, // proxy bypass
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0)); // flags
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if (!internet.get()) {
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return false;
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}
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AutoInternetHandle connection(InternetConnect(internet.get(),
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host,
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components.nPort,
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NULL, // user name
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NULL, // password
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INTERNET_SERVICE_HTTP,
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0, // flags
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NULL)); // context
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if (!connection.get()) {
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return false;
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}
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DWORD http_open_flags = secure ? INTERNET_FLAG_SECURE : 0;
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http_open_flags |= INTERNET_FLAG_NO_COOKIES;
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AutoInternetHandle request(HttpOpenRequest(connection.get(),
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L"POST",
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path,
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NULL, // version
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NULL, // referer
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NULL, // agent type
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http_open_flags,
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NULL)); // context
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if (!request.get()) {
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return false;
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}
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wstring boundary = GenerateMultipartBoundary();
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wstring content_type_header = GenerateRequestHeader(boundary);
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HttpAddRequestHeaders(request.get(),
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content_type_header.c_str(),
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static_cast<DWORD>(-1),
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HTTP_ADDREQ_FLAG_ADD);
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string request_body;
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if (!GenerateRequestBody(parameters, upload_file,
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file_part_name, boundary, &request_body)) {
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return false;
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}
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if (timeout) {
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if (!InternetSetOption(request.get(),
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INTERNET_OPTION_SEND_TIMEOUT,
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timeout,
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sizeof(timeout))) {
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fwprintf(stderr, L"Could not unset send timeout, continuing...\n");
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}
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if (!InternetSetOption(request.get(),
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INTERNET_OPTION_RECEIVE_TIMEOUT,
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timeout,
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sizeof(timeout))) {
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fwprintf(stderr, L"Could not unset receive timeout, continuing...\n");
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}
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}
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if (!HttpSendRequest(request.get(), NULL, 0,
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const_cast<char *>(request_body.data()),
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static_cast<DWORD>(request_body.size()))) {
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return false;
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}
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// The server indicates a successful upload with HTTP status 200.
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wchar_t http_status[4];
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DWORD http_status_size = sizeof(http_status);
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if (!HttpQueryInfo(request.get(), HTTP_QUERY_STATUS_CODE,
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static_cast<LPVOID>(&http_status), &http_status_size,
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0)) {
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return false;
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}
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int http_response = wcstol(http_status, NULL, 10);
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if (response_code) {
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*response_code = http_response;
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}
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bool result = (http_response == 200);
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if (result) {
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result = ReadResponse(request.get(), response_body);
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}
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return result;
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}
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// static
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bool HTTPUpload::ReadResponse(HINTERNET request, wstring *response) {
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bool has_content_length_header = false;
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wchar_t content_length[32];
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DWORD content_length_size = sizeof(content_length);
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DWORD claimed_size = 0;
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string response_body;
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if (HttpQueryInfo(request, HTTP_QUERY_CONTENT_LENGTH,
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static_cast<LPVOID>(&content_length),
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&content_length_size, 0)) {
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has_content_length_header = true;
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claimed_size = wcstol(content_length, NULL, 10);
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response_body.reserve(claimed_size);
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}
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DWORD bytes_available;
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DWORD total_read = 0;
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BOOL return_code;
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while (((return_code = InternetQueryDataAvailable(request, &bytes_available,
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0, 0)) != 0) && bytes_available > 0) {
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vector<char> response_buffer(bytes_available);
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DWORD size_read;
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return_code = InternetReadFile(request,
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&response_buffer[0],
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bytes_available, &size_read);
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if (return_code && size_read > 0) {
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total_read += size_read;
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response_body.append(&response_buffer[0], size_read);
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} else {
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break;
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}
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}
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bool succeeded = return_code && (!has_content_length_header ||
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(total_read == claimed_size));
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if (succeeded && response) {
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*response = UTF8ToWide(response_body);
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}
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return succeeded;
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}
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// static
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wstring HTTPUpload::GenerateMultipartBoundary() {
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// The boundary has 27 '-' characters followed by 16 hex digits
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static const wchar_t kBoundaryPrefix[] = L"---------------------------";
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static const int kBoundaryLength = 27 + 16 + 1;
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// Generate some random numbers to fill out the boundary
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int r0 = rand();
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int r1 = rand();
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wchar_t temp[kBoundaryLength];
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swprintf(temp, kBoundaryLength, L"%s%08X%08X", kBoundaryPrefix, r0, r1);
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// remove when VC++7.1 is no longer supported
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temp[kBoundaryLength - 1] = L'\0';
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return wstring(temp);
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}
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// static
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wstring HTTPUpload::GenerateRequestHeader(const wstring &boundary) {
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wstring header = L"Content-Type: multipart/form-data; boundary=";
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header += boundary;
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return header;
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}
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// static
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bool HTTPUpload::GenerateRequestBody(const map<wstring, wstring> ¶meters,
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const wstring &upload_file,
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const wstring &file_part_name,
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const wstring &boundary,
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string *request_body) {
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vector<char> contents;
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if (!GetFileContents(upload_file, &contents)) {
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return false;
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}
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string boundary_str = WideToUTF8(boundary);
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if (boundary_str.empty()) {
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return false;
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}
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request_body->clear();
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// Append each of the parameter pairs as a form-data part
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for (map<wstring, wstring>::const_iterator pos = parameters.begin();
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pos != parameters.end(); ++pos) {
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request_body->append("--" + boundary_str + "\r\n");
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request_body->append("Content-Disposition: form-data; name=\"" +
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WideToUTF8(pos->first) + "\"\r\n\r\n" +
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WideToUTF8(pos->second) + "\r\n");
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}
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// Now append the upload file as a binary (octet-stream) part
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string filename_utf8 = WideToUTF8(upload_file);
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if (filename_utf8.empty()) {
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return false;
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}
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string file_part_name_utf8 = WideToUTF8(file_part_name);
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if (file_part_name_utf8.empty()) {
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return false;
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}
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request_body->append("--" + boundary_str + "\r\n");
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request_body->append("Content-Disposition: form-data; "
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"name=\"" + file_part_name_utf8 + "\"; "
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"filename=\"" + filename_utf8 + "\"\r\n");
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request_body->append("Content-Type: application/octet-stream\r\n");
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request_body->append("\r\n");
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if (!contents.empty()) {
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request_body->append(&(contents[0]), contents.size());
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}
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request_body->append("\r\n");
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request_body->append("--" + boundary_str + "--\r\n");
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return true;
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}
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// static
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bool HTTPUpload::GetFileContents(const wstring &filename,
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vector<char> *contents) {
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// The "open" method on pre-MSVC8 ifstream implementations doesn't accept a
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// wchar_t* filename, so use _wfopen directly in that case. For VC8 and
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// later, _wfopen has been deprecated in favor of _wfopen_s, which does
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// not exist in earlier versions, so let the ifstream open the file itself.
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#if _MSC_VER >= 1400 // MSVC 2005/8
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ifstream file;
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file.open(filename.c_str(), ios::binary);
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#else // _MSC_VER >= 1400
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ifstream file(_wfopen(filename.c_str(), L"rb"));
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#endif // _MSC_VER >= 1400
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if (file.is_open()) {
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file.seekg(0, ios::end);
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std::streamoff length = file.tellg();
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contents->resize(length);
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if (length != 0) {
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file.seekg(0, ios::beg);
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file.read(&((*contents)[0]), length);
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}
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file.close();
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return true;
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}
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return false;
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}
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// static
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wstring HTTPUpload::UTF8ToWide(const string &utf8) {
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if (utf8.length() == 0) {
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return wstring();
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}
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// compute the length of the buffer we'll need
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int charcount = MultiByteToWideChar(CP_UTF8, 0, utf8.c_str(), -1, NULL, 0);
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if (charcount == 0) {
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return wstring();
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}
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// convert
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wchar_t* buf = new wchar_t[charcount];
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MultiByteToWideChar(CP_UTF8, 0, utf8.c_str(), -1, buf, charcount);
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wstring result(buf);
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delete[] buf;
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return result;
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}
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// static
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string HTTPUpload::WideToUTF8(const wstring &wide) {
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if (wide.length() == 0) {
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return string();
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}
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// compute the length of the buffer we'll need
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int charcount = WideCharToMultiByte(CP_UTF8, 0, wide.c_str(), -1,
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NULL, 0, NULL, NULL);
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if (charcount == 0) {
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return string();
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}
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// convert
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char *buf = new char[charcount];
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WideCharToMultiByte(CP_UTF8, 0, wide.c_str(), -1, buf, charcount,
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NULL, NULL);
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string result(buf);
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delete[] buf;
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return result;
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}
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// static
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bool HTTPUpload::CheckParameters(const map<wstring, wstring> ¶meters) {
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for (map<wstring, wstring>::const_iterator pos = parameters.begin();
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pos != parameters.end(); ++pos) {
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const wstring &str = pos->first;
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if (str.size() == 0) {
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return false; // disallow empty parameter names
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}
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for (unsigned int i = 0; i < str.size(); ++i) {
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wchar_t c = str[i];
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if (c < 32 || c == '"' || c > 127) {
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return false;
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}
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}
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}
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return true;
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}
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} // namespace google_breakpad
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