mirror of
https://github.com/qTox/qTox.git
synced 2024-03-22 14:00:36 +08:00
128 lines
3.2 KiB
C++
128 lines
3.2 KiB
C++
#include "addfriendform.h"
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#include <QFont>
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#include <QMessageBox>
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#define TOX_ID_SIZE 76
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AddFriendForm::AddFriendForm() : dns(this)
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{
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dns.setType(QDnsLookup::TXT);
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main = new QWidget(), head = new QWidget();
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QFont bold;
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bold.setBold(true);
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headLabel.setText("Add Friends");
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headLabel.setFont(bold);
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toxIdLabel.setText("Tox ID");
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messageLabel.setText("Message");
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sendButton.setText("Send friend request");
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main->setLayout(&layout);
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layout.addWidget(&toxIdLabel);
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layout.addWidget(&toxId);
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layout.addWidget(&messageLabel);
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layout.addWidget(&message);
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layout.addWidget(&sendButton);
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head->setLayout(&headLayout);
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headLayout.addWidget(&headLabel);
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connect(&sendButton, SIGNAL(clicked()), this, SLOT(onSendTriggered()));
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connect(&dns, SIGNAL(finished()), this, SLOT(handleDnsLookup()));
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}
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AddFriendForm::~AddFriendForm()
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{
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head->deleteLater();
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main->deleteLater();
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}
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void AddFriendForm::show(Ui::Widget &ui)
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{
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ui.mainContent->layout()->addWidget(main);
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ui.mainHead->layout()->addWidget(head);
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main->show();
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head->show();
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}
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bool AddFriendForm::isToxId(const QString &value) const
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{
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const QRegularExpression hexRegExp("^[A-Fa-f0-9]+$");
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return value.length() == TOX_ID_SIZE && value.contains(hexRegExp);
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}
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void AddFriendForm::showWarning(const QString &message) const
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{
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QMessageBox warning(main);
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warning.setText(message);
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warning.setIcon(QMessageBox::Warning);
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warning.exec();
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}
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QString AddFriendForm::getMessage() const
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{
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const QString msg = message.toPlainText();
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return !msg.isEmpty() ? msg : "Tox me maybe?";
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}
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void AddFriendForm::onSendTriggered()
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{
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QString id = toxId.text().trimmed();
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if (id.isEmpty()) {
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showWarning("Please fill in a valid Tox ID");
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} else if (isToxId(id)) {
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emit friendRequested(id, getMessage());
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} else {
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id = id.replace("@", "._tox.");
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dns.setName(id);
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dns.lookup();
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}
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}
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void AddFriendForm::handleDnsLookup()
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{
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const QString idKeyWord("id=");
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if (dns.error() != QDnsLookup::NoError) {
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showWarning("Error while looking up DNS");
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return;
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}
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const QList<QDnsTextRecord> textRecords = dns.textRecords();
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if (textRecords.length() != 1) {
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showWarning("Unexpected number of text records");
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return;
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}
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const QList<QByteArray> textRecordValues = textRecords.first().values();
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if (textRecordValues.length() != 1) {
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showWarning("Unexpected number of values in text record");
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return;
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}
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const QString entry(textRecordValues.first());
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int idx = entry.indexOf(idKeyWord);
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if (idx < 0) {
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showWarning("The DNS lookup does not contain any Tox ID");
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return;
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}
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idx += idKeyWord.length();
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if (entry.length() < idx + static_cast<int>(TOX_ID_SIZE)) {
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showWarning("The DNS lookup does not contain a valid Tox ID");
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return;
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}
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const QString friendAdress = entry.mid(idx, TOX_ID_SIZE);
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if (!isToxId(friendAdress)) {
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showWarning("The DNS lookup does not contain a valid Tox ID");
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return;
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}
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// finally we got it
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emit friendRequested(friendAdress, getMessage());
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}
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