Amebis/Updater
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Initial update repository parsing added

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This commit is contained in:
Simon Rozman 2016-03-25 13:03:13 +01:00
parent 1752084b24
commit cdf2d211ef
2 changed files with 135 additions and 6 deletions
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140
UpdCheck/main.cpp
View File

@ -28,6 +28,11 @@ class wxUpdCheckInitializer : public wxInitializer
protected:
FILE *m_pLogFile;
public:
wxConfig m_config;
wxString m_path;
wxLocale m_locale;
public:
wxUpdCheckInitializer();
virtual ~wxUpdCheckInitializer();
@ -36,13 +41,24 @@ public:
wxUpdCheckInitializer::wxUpdCheckInitializer() :
m_pLogFile(NULL),
m_config(wxT(UPDATER_CFG_APPLICATION) wxT("\\Updater"), wxT(UPDATER_CFG_VENDOR)),
wxInitializer()
{
if (wxInitializer::IsOk()) {
wxString str(wxFileName::GetTempDir());
str += wxFILE_SEP_PATH;
str += wxT(UPDATER_LOG_FILE);
m_pLogFile = fopen(str, "w+");
// Set desired locale.
wxLanguage language = (wxLanguage)m_config.Read(wxT("Language"), wxLANGUAGE_DEFAULT);
if (wxLocale::IsAvailable(language))
wxVERIFY(m_locale.Init(language));
if (!m_config.Read(wxT("CachePath"), &m_path))
m_path = wxFileName::GetTempDir();
if (!wxEndsWithPathSeparator(m_path))
m_path += wxFILE_SEP_PATH;
if (!wxDirExists(m_path))
wxMkdir(m_path);
m_pLogFile = fopen(m_path + wxT(UPDATER_LOG_FILE), "w+");
if (m_pLogFile)
delete wxLog::SetActiveTarget(new wxLogStderr(m_pLogFile));
} else
@ -88,6 +104,9 @@ int CALLBACK WinMain(_In_ HINSTANCE hInstance, _In_ HINSTANCE hPrevInstance, _In
return -1;
}
long val;
wxDateTime last_checked = initializer.m_config.Read(wxT("LastChecked"), &val) ? wxDateTime((time_t)val) : wxInvalidDateTime;
for (const wxChar *server = wxT(UPDATER_HTTP_SERVER); server[0]; server += wcslen(server) + 1) {
wxXmlDocument doc;
@ -95,14 +114,19 @@ int CALLBACK WinMain(_In_ HINSTANCE hInstance, _In_ HINSTANCE hPrevInstance, _In
// Load repository database.
wxHTTP http;
//wxDateTime timestamp_last_checked;
//http.SetHeader(wxS("If-Modified-Since"), timestamp_last_checked.Format(wxS("%a, %d %b %y %T %z")));
if (last_checked.IsValid())
http.SetHeader(wxS("If-Modified-Since"), last_checked.Format(wxS("%a, %d %b %Y %H:%M:%S %z")));
if (!http.Connect(server, UPDATER_HTTP_PORT)) {
wxLogWarning(wxT("Error resolving %s server name."), server);
continue;
}
wxInputStream *httpStream = http.GetInputStream(wxS(UPDATER_HTTP_PATH));
if (!httpStream) {
if (http.GetResponse() == 304) {
wxLogStatus(wxT("Repository did not change since the last time..."));
return 0;
}
wxLogWarning(wxT("Error response received from server %s (port %u) requesting %s."), server, UPDATER_HTTP_PORT, UPDATER_HTTP_PATH);
continue;
}
@ -164,6 +188,110 @@ int CALLBACK WinMain(_In_ HINSTANCE hInstance, _In_ HINSTANCE hPrevInstance, _In
// The signature is correct. Now parse the file.
wxLogStatus(wxT("Parsing repository catalogue..."));
// Start processing the XML file.
wxXmlNode *elRoot = doc.GetRoot();
const wxString &nameRoot = elRoot->GetName();
if (nameRoot != wxT("Packages")) {
wxLogWarning(wxT("Invalid root element in repository catalogue (actual: %s, expected %s)."), nameRoot.c_str(), wxT("Packages"));
continue;
}
// Iterate over packages.
wxUint32 versionMax = 0;
wxString versionStrMax;
wxString urlMax;
std::vector<BYTE> sigMax;
for (wxXmlNode *elPackage = elRoot->GetChildren(); elPackage; elPackage = elPackage->GetNext()) {
if (elPackage->GetType() == wxXML_ELEMENT_NODE && elPackage->GetName() == wxT("Package")) {
// Get package version.
wxUint32 version = 0;
wxString versionStr;
for (wxXmlNode *elVersion = elPackage->GetChildren(); elVersion; elVersion = elVersion->GetNext()) {
if (elVersion->GetType() == wxXML_ELEMENT_NODE && elVersion->GetName() == wxT("Version")) {
for (wxXmlNode *elVersionNote = elVersion->GetChildren(); elVersionNote; elVersionNote = elVersionNote->GetNext()) {
if (elVersionNote->GetType() == wxXML_ELEMENT_NODE) {
const wxString &name = elVersionNote->GetName();
if (name == wxT("hex"))
version = _tcstoul(elVersionNote->GetNodeContent(), NULL, 16);
else if (name == wxT("desc"))
versionStr = elVersionNote->GetNodeContent();
}
}
}
}
if (version <= UPDATER_PRODUCT_VERSION || version < versionMax) {
// This package is older than currently installed product or the superseeded package found.
continue;
}
// Get package download URL for our platform and language.
wxString platformId;
#if defined(__WINDOWS__)
platformId += wxT("win");
#endif
#if defined(_WIN64)
platformId += wxT("-amd64");
#else
platformId += wxT("-x86");
#endif
wxString languageId(initializer.m_locale.GetCanonicalName());
wxString url;
std::vector<BYTE> sig;
for (wxXmlNode *elDownloads = elPackage->GetChildren(); elDownloads; elDownloads = elDownloads->GetNext()) {
if (elDownloads->GetType() == wxXML_ELEMENT_NODE && elDownloads->GetName() == wxT("Downloads")) {
for (wxXmlNode *elPlatform = elDownloads->GetChildren(); elPlatform; elPlatform = elPlatform->GetNext()) {
if (elPlatform->GetType() == wxXML_ELEMENT_NODE) {
if (elPlatform->GetName() == wxT("Platform") && elPlatform->GetAttribute(wxT("id")) == platformId) {
// Get language.
for (wxXmlNode *elLocale = elPlatform->GetChildren(); elLocale; elLocale = elLocale->GetNext()) {
if (elLocale->GetType() == wxXML_ELEMENT_NODE && elLocale->GetName() == wxT("Localization") && elLocale->GetAttribute(wxT("lang")) == languageId) {
for (wxXmlNode *elLocaleNote = elLocale->GetChildren(); elLocaleNote; elLocaleNote = elLocaleNote->GetNext()) {
if (elLocaleNote->GetType() == wxXML_ELEMENT_NODE) {
const wxString &name = elLocaleNote->GetName();
if (name == wxT("url"))
url = elLocaleNote->GetNodeContent();
else if (name == wxT("signature")) {
// Read the signature.
wxString content(elLocaleNote->GetNodeContent());
sig.resize(wxBase64DecodedSize(content.length()));
size_t res = wxBase64Decode(sig.data(), sig.capacity(), content, wxBase64DecodeMode_SkipWS);
if (res != wxCONV_FAILED)
sig.resize(res);
else
sig.clear();
}
}
}
}
}
}
}
}
}
}
if (url.IsEmpty() || sig.empty()) {
// This package is for different architecture and/or language.
// ... or missing URL and/or signature.
continue;
}
versionMax = version;
versionStrMax = versionStr;
urlMax = url;
sigMax = sig;
}
}
if (versionMax) {
wxLogMessage(wxT("Update package found (version: %s, URL: %s)."), versionStrMax.c_str(), urlMax.c_str());
} else
wxLogStatus(wxT("Update check complete. Your package is up to date."));
// Save the last check date.
initializer.m_config.Write(wxT("LastChecked"), (long)wxDateTime::GetTimeNow());
return 0;
}

1
UpdCheck/stdafx.h
View File

@ -26,6 +26,7 @@
#include <wx/app.h>
#include <wx/base64.h>
#include <wx/config.h>
#include <wx/datetime.h>
#include <wx/filename.h>
#include <wx/protocol/http.h>