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510 lines
14 KiB
510 lines
14 KiB
/* |
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* Copyright 2008 Dmitry Suzdalev <dimsuz@gmail.com> |
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* Copyright 2017 David Edmundson <davidedmundson@kde.org> |
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* Copyright 2018-2019 Kai Uwe Broulik <kde@privat.broulik.de> |
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* |
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* This library is free software; you can redistribute it and/or |
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* modify it under the terms of the GNU Lesser General Public |
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* License as published by the Free Software Foundation; either |
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* version 2.1 of the License, or (at your option) version 3, or any |
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* later version accepted by the membership of KDE e.V. (or its |
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* successor approved by the membership of KDE e.V.), which shall |
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* act as a proxy defined in Section 6 of version 3 of the license. |
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* |
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* This library is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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* Lesser General Public License for more details. |
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* |
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* You should have received a copy of the GNU Lesser General Public |
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* License along with this library. If not, see <http://www.gnu.org/licenses/>. |
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*/ |
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#include "notification.h" |
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#include <QDebug> |
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#include <QDBusArgument> |
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#include <QRegularExpression> |
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#include <QXmlStreamReader> |
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#include <KConfig> |
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#include <KConfigGroup> |
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#include <KIconLoader> |
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#include <KService> |
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#include "notifications.h" |
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using namespace NotificationManager; |
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static QString sanitize(const QString &text) |
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{ |
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// replace all \ns with <br/> |
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QString t = text; |
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t.replace(QLatin1String("\n"), QStringLiteral("<br/>")); |
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// Now remove all inner whitespace (\ns are already <br/>s) |
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t = t.simplified(); |
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// Finally, check if we don't have multiple <br/>s following, |
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// can happen for example when "\n \n" is sent, this replaces |
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// all <br/>s in succsession with just one |
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t.replace(QRegularExpression(QStringLiteral("<br/>\\s*<br/>(\\s|<br/>)*")), QLatin1String("<br/>")); |
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// This fancy RegExp escapes every occurrence of & since QtQuick Text will blatantly cut off |
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// text where it finds a stray ampersand. |
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// Only &{apos, quot, gt, lt, amp}; as well as { character references will be allowed |
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t.replace(QRegularExpression(QStringLiteral("&(?!(?:apos|quot|[gl]t|amp);|#)")), QLatin1String("&")); |
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QXmlStreamReader r(QStringLiteral("<html>") + t + QStringLiteral("</html>")); |
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QString result; |
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QXmlStreamWriter out(&result); |
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const QVector<QString> allowedTags = {"b", "i", "u", "img", "a", "html", "br", "table", "tr", "td"}; |
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out.writeStartDocument(); |
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while (!r.atEnd()) { |
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r.readNext(); |
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if (r.tokenType() == QXmlStreamReader::StartElement) { |
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const QString name = r.name().toString(); |
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if (!allowedTags.contains(name)) { |
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continue; |
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} |
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out.writeStartElement(name); |
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if (name == QLatin1String("img")) { |
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auto src = r.attributes().value("src").toString(); |
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auto alt = r.attributes().value("alt").toString(); |
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const QUrl url(src); |
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if (url.isLocalFile()) { |
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out.writeAttribute(QStringLiteral("src"), src); |
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} else { |
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//image denied for security reasons! Do not copy the image src here! |
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} |
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out.writeAttribute(QStringLiteral("alt"), alt); |
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} |
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if (name == QLatin1String("a")) { |
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out.writeAttribute(QStringLiteral("href"), r.attributes().value("href").toString()); |
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} |
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} |
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if (r.tokenType() == QXmlStreamReader::EndElement) { |
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const QString name = r.name().toString(); |
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if (!allowedTags.contains(name)) { |
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continue; |
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} |
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out.writeEndElement(); |
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} |
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if (r.tokenType() == QXmlStreamReader::Characters) { |
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const auto text = r.text().toString(); |
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out.writeCharacters(text); //this auto escapes chars -> HTML entities |
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} |
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} |
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out.writeEndDocument(); |
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if (r.hasError()) { // FIXME FIXME FIXME |
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/*qCWarning(NOTIFICATIONS) << "Notification to send to backend contains invalid XML: " |
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<< r.errorString() << "line" << r.lineNumber() |
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<< "col" << r.columnNumber();*/ |
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} |
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// The Text.StyledText format handles only html3.2 stuff and ' is html4 stuff |
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// so we need to replace it here otherwise it will not render at all. |
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result = result.replace(QLatin1String("'"), QChar('\'')); |
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return result; |
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} |
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static QImage decodeNotificationSpecImageHint(const QDBusArgument& arg) |
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{ |
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int width, height, rowStride, hasAlpha, bitsPerSample, channels; |
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QByteArray pixels; |
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char* ptr; |
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char* end; |
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arg.beginStructure(); |
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arg >> width >> height >> rowStride >> hasAlpha >> bitsPerSample >> channels >> pixels; |
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arg.endStructure(); |
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#define SANITY_CHECK(condition) \ |
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if (!(condition)) { \ |
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qWarning() << "Sanity check failed on" << #condition; \ |
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return QImage(); \ |
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} |
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SANITY_CHECK(width > 0); |
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SANITY_CHECK(width < 2048); |
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SANITY_CHECK(height > 0); |
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SANITY_CHECK(height < 2048); |
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SANITY_CHECK(rowStride > 0); |
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#undef SANITY_CHECK |
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auto copyLineRGB32 = [](QRgb* dst, const char* src, int width) |
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{ |
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const char* end = src + width * 3; |
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for (; src != end; ++dst, src+=3) { |
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*dst = qRgb(src[0], src[1], src[2]); |
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} |
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}; |
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auto copyLineARGB32 = [](QRgb* dst, const char* src, int width) |
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{ |
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const char* end = src + width * 4; |
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for (; src != end; ++dst, src+=4) { |
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*dst = qRgba(src[0], src[1], src[2], src[3]); |
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} |
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}; |
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QImage::Format format = QImage::Format_Invalid; |
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void (*fcn)(QRgb*, const char*, int) = nullptr; |
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if (bitsPerSample == 8) { |
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if (channels == 4) { |
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format = QImage::Format_ARGB32; |
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fcn = copyLineARGB32; |
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} else if (channels == 3) { |
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format = QImage::Format_RGB32; |
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fcn = copyLineRGB32; |
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} |
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} |
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if (format == QImage::Format_Invalid) { |
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qWarning() << "Unsupported image format (hasAlpha:" << hasAlpha << "bitsPerSample:" << bitsPerSample << "channels:" << channels << ")"; |
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return QImage(); |
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} |
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QImage image(width, height, format); |
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ptr = pixels.data(); |
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end = ptr + pixels.length(); |
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for (int y=0; y<height; ++y, ptr += rowStride) { |
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if (ptr + channels * width > end) { |
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qWarning() << "Image data is incomplete. y:" << y << "height:" << height; |
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break; |
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} |
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fcn((QRgb*)image.scanLine(y), ptr, width); |
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} |
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return image; |
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} |
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static QString findImageForSpecImagePath(const QString &_path) |
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{ |
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QString path = _path; |
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if (path.startsWith(QLatin1String("file:"))) { |
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QUrl url(path); |
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path = url.toLocalFile(); |
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} |
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return KIconLoader::global()->iconPath(path, -KIconLoader::SizeHuge, |
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true /* canReturnNull */); |
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} |
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Notification::Notification(uint id) |
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: m_id(id) |
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, m_created(QDateTime::currentDateTimeUtc()) |
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{ |
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// QVector needs default constructor |
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//Q_ASSERT(id > 0); |
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} |
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Notification::~Notification() = default; |
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uint Notification::id() const |
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{ |
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return m_id; |
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} |
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QDateTime Notification::created() const |
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{ |
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return m_created; |
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} |
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QDateTime Notification::updated() const |
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{ |
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return m_updated; |
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} |
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void Notification::setUpdated() |
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{ |
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m_updated = QDateTime::currentDateTimeUtc(); |
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} |
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QString Notification::summary() const |
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{ |
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return m_summary; |
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} |
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void Notification::setSummary(const QString &summary) |
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{ |
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m_summary = summary; |
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} |
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QString Notification::body() const |
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{ |
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return m_body; |
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} |
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void Notification::setBody(const QString &body) |
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{ |
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m_body = sanitize(body.trimmed()); |
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} |
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QString Notification::iconName() const |
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{ |
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return m_iconName; |
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} |
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void Notification::setIconName(const QString &iconName) |
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{ |
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m_iconName = iconName; |
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} |
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QImage Notification::image() const |
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{ |
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return m_image; |
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} |
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void Notification::setImage(const QImage &image) |
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{ |
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m_image = image; |
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} |
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QString Notification::applicationName() const |
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{ |
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return m_applicationName; |
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} |
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void Notification::setApplicationName(const QString &applicationName) |
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{ |
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m_applicationName = applicationName; |
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KService::Ptr service = KService::serviceByStorageId(applicationName); |
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if (service) { |
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m_applicationName = service->name(); |
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m_applicationIconName = service->icon(); |
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} |
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} |
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QString Notification::applicationIconName() const |
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{ |
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return m_applicationIconName; |
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} |
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void Notification::setApplicationIconName(const QString &applicationIconName) |
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{ |
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m_applicationIconName = applicationIconName; |
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} |
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QStringList Notification::actionNames() const |
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{ |
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return m_actionNames; |
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} |
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QStringList Notification::actionLabels() const |
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{ |
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return m_actionLabels; |
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} |
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bool Notification::hasDefaultAction() const |
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{ |
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return m_hasDefaultAction; |
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} |
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/*bool Notification::hasConfigureAction() const |
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{ |
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return m_hasConfigureAction; |
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}*/ |
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void Notification::setActions(const QStringList &actions) |
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{ |
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if (actions.count() % 2 != 0) { |
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// FIXME qCWarning |
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qWarning() << "List of actions must contain an even number of items, tried to set actions to" << actions; |
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return; |
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} |
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m_hasDefaultAction = false; |
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m_hasConfigureAction = false; |
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QStringList names; |
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QStringList labels; |
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for (int i = 0; i < actions.count(); i += 2) { |
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const QString &name = actions.at(i); |
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const QString &label = actions.at(i + 1); |
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if (!m_hasDefaultAction && name == QLatin1String("default")) { |
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m_hasDefaultAction = true; |
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continue; |
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} |
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if (!m_hasConfigureAction && name == QLatin1String("settings")) { |
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m_hasConfigureAction = true; |
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m_configureActionLabel = label; |
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continue; |
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} |
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names << name; |
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labels << label; |
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} |
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m_actionNames = names; |
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m_actionLabels = labels; |
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} |
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QList<QUrl> Notification::urls() const |
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{ |
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return m_urls; |
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} |
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void Notification::setUrls(const QList<QUrl> &urls) |
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{ |
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m_urls = urls; |
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} |
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Notifications::Urgencies Notification::urgency() const |
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{ |
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return m_urgency; |
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} |
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void Notification::setUrgency(Notifications::Urgencies urgency) |
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{ |
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m_urgency = urgency; |
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// Critical notifications must not time out |
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if (urgency == Notifications::CriticalUrgency) { |
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m_timeout = 0; |
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} |
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} |
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int Notification::timeout() const |
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{ |
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return m_timeout; |
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} |
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void Notification::setTimeout(int timeout) |
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{ |
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m_timeout = timeout; |
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} |
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bool Notification::configurable() const |
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{ |
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return m_hasConfigureAction || m_configurableNotifyRc; |
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} |
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QString Notification::configureActionLabel() const |
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{ |
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return m_configureActionLabel; |
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} |
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bool Notification::expired() const |
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{ |
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return m_expired; |
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} |
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void Notification::setExpired(bool expired) |
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{ |
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m_expired = expired; |
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} |
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bool Notification::dismissed() const |
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{ |
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return m_dismissed; |
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} |
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void Notification::setDismissed(bool dismissed) |
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{ |
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m_dismissed = dismissed; |
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} |
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void Notification::processHints(const QVariantMap &hints) |
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{ |
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auto end = hints.end(); |
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m_notifyRcName = hints.value(QStringLiteral("x-kde-appname")).toString(); |
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if (!m_notifyRcName.isEmpty()) { |
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// Check whether the application actually has notifications we can configure |
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// FIXME move out into a separate function |
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KConfig config(m_notifyRcName + QStringLiteral(".notifyrc"), KConfig::NoGlobals); |
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config.addConfigSources(QStandardPaths::locateAll(QStandardPaths::GenericDataLocation, |
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QStringLiteral("knotifications5/") + m_notifyRcName + QStringLiteral(".notifyrc"))); |
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KConfigGroup globalGroup(&config, "Global"); |
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QString applicationName = globalGroup.readEntry("Name"); |
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if (applicationName.isEmpty()) { |
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applicationName = globalGroup.readEntry("Comment"); |
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} |
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m_applicationName = applicationName; |
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const QString iconName = globalGroup.readEntry("IconName"); |
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m_applicationIconName = iconName; |
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const QRegularExpression regexp(QStringLiteral("^Event/([^/]*)$")); |
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m_configurableNotifyRc = !config.groupList().filter(regexp).isEmpty(); |
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} |
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m_eventId = hints.value(QStringLiteral("x-kde-eventId")).toString(); |
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const QString desktopEntry = hints.value(QStringLiteral("desktop-entry")).toString(); |
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if (!desktopEntry.isEmpty()) { |
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KService::Ptr service = KService::serviceByStorageId(desktopEntry); |
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if (service) { |
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m_applicationName = service->name(); |
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m_applicationIconName = service->icon(); |
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} |
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} |
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bool ok; |
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const int urgency = hints.value(QStringLiteral("urgency")).toInt(&ok); // DBus type is actually "byte" |
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if (ok) { |
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switch (urgency) { |
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case 0: |
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setUrgency(Notifications::LowUrgency); |
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break; |
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case 1: |
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setUrgency(Notifications::NormalUrgency); |
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break; |
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case 2: |
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setUrgency(Notifications::CriticalUrgency); |
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break; |
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} |
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} |
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// Underscored hints was in use in version 1.1 of the spec but has been |
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// replaced by dashed hints in version 1.2. We need to support it for |
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// users of the 1.2 version of the spec. |
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auto it = hints.find(QStringLiteral("image-data")); |
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if (it == end) { |
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it = hints.find(QStringLiteral("image_data")); |
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} |
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if (it == end) { |
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// This hint was in use in version 1.0 of the spec but has been |
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// replaced by "image_data" in version 1.1. We need to support it for |
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// users of the 1.0 version of the spec. |
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it = hints.find(QStringLiteral("icon_data")); |
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} |
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if (it != end) { |
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m_image = decodeNotificationSpecImageHint(it->value<QDBusArgument>()); |
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} |
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if (m_image.isNull()) { |
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it = hints.find(QStringLiteral("image-path")); |
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if (it == end) { |
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it = hints.find(QStringLiteral("image_path")); |
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} |
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if (it != end) { |
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const QString path = findImageForSpecImagePath(it->toString()); |
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if (!path.isEmpty()) { |
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m_image.load(path); |
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} |
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} |
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} |
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} |
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bool Notification::operator==(const Notification &other) const |
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{ |
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return other.m_id == m_id; |
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}
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