bool FvUpdater::xmlParseFeed()
{
QString currentTag, currentQualifiedTag;
QString xmlTitle, xmlLink, xmlReleaseNotesLink, xmlPubDate, xmlEnclosureUrl,
xmlEnclosureVersion, xmlEnclosurePlatform, xmlEnclosureType,
xmlReleaseNotesHtml;
unsigned long xmlEnclosureLength = 0;
// Parse
while (! m_xml.atEnd()) {
m_xml.readNext();
if (m_xml.isStartElement()) {
currentTag = m_xml.name().toString();
currentQualifiedTag = m_xml.qualifiedName().toString();
if (m_xml.name() == "item") {
xmlTitle.clear();
xmlLink.clear();
xmlReleaseNotesLink.clear();
xmlReleaseNotesHtml.clear();
xmlPubDate.clear();
xmlEnclosureUrl.clear();
xmlEnclosureVersion.clear();
xmlEnclosurePlatform.clear();
xmlEnclosureLength = 0;
xmlEnclosureType.clear();
} else if (m_xml.name() == "enclosure") {
QXmlStreamAttributes attribs = m_xml.attributes();
if (attribs.hasAttribute("fervor:platform")) {
if (FvPlatform::CurrentlyRunningOnPlatform(attribs.value("fervor:platform").toString().trimmed())) {
xmlEnclosurePlatform = attribs.value("fervor:platform").toString().trimmed();
if (attribs.hasAttribute("url")) {
xmlEnclosureUrl = attribs.value("url").toString().trimmed();
} else {
xmlEnclosureUrl = "";
}
// First check for Sparkle's version, then overwrite with Fervor's version (if any)
if (attribs.hasAttribute("sparkle:version")) {
QString candidateVersion = attribs.value("sparkle:version").toString().trimmed();
if (! candidateVersion.isEmpty()) {
xmlEnclosureVersion = candidateVersion;
}
}
if (attribs.hasAttribute("fervor:version")) {
QString candidateVersion = attribs.value("fervor:version").toString().trimmed();
if (! candidateVersion.isEmpty()) {
xmlEnclosureVersion = candidateVersion;
}
}
if (attribs.hasAttribute("length")) {
xmlEnclosureLength = attribs.value("length").toString().toLong();
} else {
xmlEnclosureLength = 0;
}
if (attribs.hasAttribute("type")) {
xmlEnclosureType = attribs.value("type").toString().trimmed();
} else {
xmlEnclosureType = "";
}
}
}
}
} else if (m_xml.isEndElement()) {
if (m_xml.name() == "item") {
// That's it - we have analyzed a single <item> and we'll stop
// here (because the topmost is the most recent one, and thus
// the newest version.
return searchDownloadedFeedForUpdates(xmlTitle,
xmlLink,
xmlReleaseNotesLink,
xmlReleaseNotesHtml,
xmlPubDate,
xmlEnclosureUrl,
xmlEnclosureVersion,
xmlEnclosurePlatform,
xmlEnclosureLength,
xmlEnclosureType);
}
} else if (m_xml.isCharacters() && ! m_xml.isWhitespace()) {
if (currentTag == "title") {
xmlTitle += m_xml.text().toString().trimmed();
} else if (currentTag == "link") {
xmlLink += m_xml.text().toString().trimmed();
} else if (currentQualifiedTag == "sparkle:releaseNotesLink") {
xmlReleaseNotesLink += m_xml.text().toString().trimmed();
} else if (currentTag == "pubDate") {
xmlPubDate += m_xml.text().toString().trimmed();
} else if (currentTag == "description") {
xmlReleaseNotesHtml += m_xml.text().toString().trimmed();
}
}
if (m_xml.error() && m_xml.error() != QXmlStreamReader::PrematureEndOfDocumentError) {
showErrorDialog(tr("Feed parsing failed: %1 %2.").arg(QString::number(m_xml.lineNumber()), m_xml.errorString()), NO_UPDATE_MESSAGE);
return false;
}
}
// No updates were found if we're at this point
// (not a single <item> element found)
showInformationDialog(tr("No updates were found."), false);
return false;
}
bool FvUpdater::searchDownloadedFeedForUpdates(QString xmlTitle,
QString xmlLink,
QString xmlReleaseNotesLink,
QString xmlPubDate,
QString xmlEnclosureUrl,
QString xmlEnclosureVersion,
QString xmlEnclosurePlatform,
unsigned long xmlEnclosureLength,
QString xmlEnclosureType)
{
qDebug() << "Title:" << xmlTitle;
qDebug() << "Link:" << xmlLink;
qDebug() << "Release notes link:" << xmlReleaseNotesLink;
qDebug() << "Pub. date:" << xmlPubDate;
qDebug() << "Enclosure URL:" << xmlEnclosureUrl;
qDebug() << "Enclosure version:" << xmlEnclosureVersion;
qDebug() << "Enclosure platform:" << xmlEnclosurePlatform;
qDebug() << "Enclosure length:" << xmlEnclosureLength;
qDebug() << "Enclosure type:" << xmlEnclosureType;
// Validate
if (xmlReleaseNotesLink.isEmpty()) {
if (xmlLink.isEmpty()) {
showErrorDialog(tr("Feed error: \"release notes\" link is empty"), false);
return false;
} else {
xmlReleaseNotesLink = xmlLink;
}
} else {
xmlLink = xmlReleaseNotesLink;
}
if (! (xmlLink.startsWith("http://") || xmlLink.startsWith("https://"))) {
showErrorDialog(tr("Feed error: invalid \"release notes\" link"), false);
return false;
}
if (xmlEnclosureUrl.isEmpty() || xmlEnclosureVersion.isEmpty() || xmlEnclosurePlatform.isEmpty()) {
showErrorDialog(tr("Feed error: invalid \"enclosure\" with the download link"), false);
return false;
}
// Relevant version?
if (FVIgnoredVersions::VersionIsIgnored(xmlEnclosureVersion)) {
qDebug() << "Version '" << xmlEnclosureVersion << "' is ignored, too old or something like that.";
showInformationDialog(tr("No updates were found."), false);
return true; // Things have succeeded when you think of it.
}
//
// Success! At this point, we have found an update that can be proposed
// to the user.
//
if (m_proposedUpdate) {
delete m_proposedUpdate; m_proposedUpdate = 0;
}
m_proposedUpdate = new FvAvailableUpdate();
m_proposedUpdate->SetTitle(xmlTitle);
m_proposedUpdate->SetReleaseNotesLink(xmlReleaseNotesLink);
m_proposedUpdate->SetPubDate(xmlPubDate);
m_proposedUpdate->SetEnclosureUrl(xmlEnclosureUrl);
m_proposedUpdate->SetEnclosureVersion(xmlEnclosureVersion);
m_proposedUpdate->SetEnclosurePlatform(xmlEnclosurePlatform);
m_proposedUpdate->SetEnclosureLength(xmlEnclosureLength);
m_proposedUpdate->SetEnclosureType(xmlEnclosureType);
// Show "look, there's an update" window
showUpdaterWindowUpdatedWithCurrentUpdateProposal();
return true;
}
bool FvUpdater::searchDownloadedFeedForUpdates(QString xmlTitle,
QString xmlLink,
QString xmlReleaseNotesLink,
QString xmlReleaseNotesHtml,
QString xmlPubDate,
QString xmlEnclosureUrl,
QString xmlEnclosureVersion,
QString xmlEnclosurePlatform,
unsigned long xmlEnclosureLength,
QString xmlEnclosureType)
{
// qDebug() << "Title:" << xmlTitle;
// qDebug() << "Link:" << xmlLink;
// qDebug() << "Release notes link:" << xmlReleaseNotesLink;
// qDebug() << "Pub. date:" << xmlPubDate;
// qDebug() << "Enclosure URL:" << xmlEnclosureUrl;
// qDebug() << "Enclosure version:" << xmlEnclosureVersion;
// qDebug() << "Enclosure platform:" << xmlEnclosurePlatform;
// qDebug() << "Enclosure length:" << xmlEnclosureLength;
// qDebug() << "Enclosure type:" << xmlEnclosureType;
// Validate Release notes
if (xmlReleaseNotesHtml.isEmpty())
{
if (xmlReleaseNotesLink.isEmpty()) {
if (xmlLink.isEmpty()) {
showErrorDialog(tr("Feed error: \"release notes\" link is empty"), NO_UPDATE_MESSAGE);
return false;
} else {
xmlReleaseNotesLink = xmlLink;
}
} else {
xmlLink = xmlReleaseNotesLink;
}
if (! (xmlLink.startsWith("http://") || xmlLink.startsWith("https://"))) {
showErrorDialog(tr("Feed error: invalid \"release notes\" link"), NO_UPDATE_MESSAGE);
return false;
}
}
// Validate
if (xmlEnclosureUrl.isEmpty() || xmlEnclosureVersion.isEmpty() || xmlEnclosurePlatform.isEmpty()) {
showErrorDialog(tr("Feed error: invalid \"enclosure\" with the download link"), NO_UPDATE_MESSAGE);
return false;
}
xmlEnclosureUrl = QUrl::fromPercentEncoding(xmlEnclosureUrl.toLatin1());
// qDebug() << " decoded URL:" << xmlEnclosureUrl;
// Append dynamic url content - if supported in EnclosureUrl
if(xmlEnclosureUrl.contains('%'))
xmlEnclosureUrl = xmlEnclosureUrl.arg(m_dynamicUrl);
// qDebug() << "Download URL:" << xmlEnclosureUrl;
// Relevant version?
// If not silent, check also ignored version
if (FVIgnoredVersions::VersionIsIgnored(xmlEnclosureVersion, !m_silentAsMuchAsItCouldGet)) {
qDebug() << "Version '" << xmlEnclosureVersion << "' is ignored, too old or something like that.";
showInformationDialog(tr("No updates were found."), false);
return true; // Things have succeeded when you think of it.
}
//
// Success! At this point, we have found an update that can be proposed
// to the user.
//
if (m_proposedUpdate) {
delete m_proposedUpdate; m_proposedUpdate = 0;
}
m_proposedUpdate = new FvAvailableUpdate();
m_proposedUpdate->SetTitle(xmlTitle);
m_proposedUpdate->SetReleaseNotesLink(xmlReleaseNotesLink);
m_proposedUpdate->SetReleaseNotesHtml(xmlReleaseNotesHtml);
m_proposedUpdate->SetPubDate(xmlPubDate);
m_proposedUpdate->SetEnclosureUrl(xmlEnclosureUrl);
m_proposedUpdate->SetEnclosureVersion(xmlEnclosureVersion);
m_proposedUpdate->SetEnclosurePlatform(xmlEnclosurePlatform);
m_proposedUpdate->SetEnclosureLength(xmlEnclosureLength);
m_proposedUpdate->SetEnclosureType(xmlEnclosureType);
// Show "look, there's an update" window
showUpdaterWindowUpdatedWithCurrentUpdateProposal();
return true;
}
