File indexing completed on 2024-05-05 05:36:39

 /*
     SPDX-FileCopyrightText: 2010-2012 Lamarque Souza <lamarque@kde.org>
 
     SPDX-License-Identifier: GPL-2.0-only OR GPL-3.0-only OR LicenseRef-KDE-Accepted-GPL
 */
 
 #include "mobileproviders.h"
 
 #include <QDebug>
 #include <QFile>
 #include <QLocale>
 #include <QRegularExpression>
 #include <QTextStream>
 
 const QString MobileProviders::ProvidersFile = QStringLiteral("/usr/share/mobile-broadband-provider-info/serviceproviders.xml");
 
 // adapted from https://invent.kde.org/plasma/plasma-nm/-/blob/master/libs/editor/mobileproviders.cpp
 // we only use gsm, ignore cdma
 
 bool localeAwareCompare(const QString &one, const QString &two)
 {
     return one.localeAwareCompare(two) < 0;
 }
 
 MobileProviders::MobileProviders()
 {
     for (int c = 1; c <= QLocale::LastCountry; c++) {
         const auto country = static_cast<QLocale::Country>(c);
         QLocale locale(QLocale::AnyLanguage, country);
         if (locale.country() == country) {
             const QString localeName = locale.name();
             const auto idx = localeName.indexOf(QLatin1Char('_'));
             if (idx != -1) {
                 const QString countryCode = localeName.mid(idx + 1);
                 QString countryName = locale.nativeCountryName();
                 if (countryName.isEmpty()) {
                     countryName = QLocale::countryToString(country);
                 }
                 mCountries.insert(countryCode, countryName);
             }
         }
     }
     mError = Success;
 
     QFile file2(ProvidersFile);
 
     if (file2.open(QIODevice::ReadOnly)) {
         if (mDocProviders.setContent(&file2)) {
             docElement = mDocProviders.documentElement();
 
             if (docElement.isNull()) {
                 qWarning() << ProvidersFile << ": document is null";
                 mError = ProvidersIsNull;
             } else {
                 if (docElement.isNull() || docElement.tagName() != "serviceproviders") {
                     qWarning() << ProvidersFile << ": wrong format";
                     mError = ProvidersWrongFormat;
                 } else {
                     if (docElement.attribute("format") != "2.0") {
                         qWarning() << ProvidersFile << ": mobile broadband provider database format '" << docElement.attribute("format") << "' not supported.";
                         mError = ProvidersFormatNotSupported;
                     } else {
                         // qCDebug(PLASMA_NM) << "Everything is alright so far";
                     }
                 }
             }
         }
 
         file2.close();
     } else {
         qWarning() << "Error opening providers file" << ProvidersFile;
         mError = ProvidersMissing;
     }
 }
 
 MobileProviders::~MobileProviders()
 {
 }
 
 QStringList MobileProviders::getCountryList() const
 {
     QStringList temp = mCountries.values();
     std::sort(temp.begin(), temp.end(), localeAwareCompare);
     return temp;
 }
 
 QString MobileProviders::countryFromLocale() const
 {
     const QString localeName = QLocale().name();
     const auto idx = localeName.indexOf(QLatin1Char('_'));
     if (idx != -1) {
         return localeName.mid(idx + 1);
     }
     return QString();
 }
 
 QStringList MobileProviders::getApns(const QString &provider)
 {
     mApns.clear();
     mNetworkIds.clear();
     if (!mProvidersGsm.contains(provider)) {
         return QStringList();
     }
 
     QDomNode n = mProvidersGsm[provider];
 
     while (!n.isNull()) {
         QDomElement e = n.toElement(); // <gsm | cdma>
 
         if (!e.isNull() && e.tagName().toLower() == "gsm") {
             QDomNode n2 = e.firstChild();
             while (!n2.isNull()) {
                 QDomElement e2 = n2.toElement(); // <apn | network-id>
 
                 if (!e2.isNull() && e2.tagName().toLower() == "apn") {
                     bool isInternet = true;
                     QDomNode n3 = e2.firstChild();
                     while (!n3.isNull()) {
                         QDomElement e3 = n3.toElement(); // <usage>
                         if (!e3.isNull() && e3.tagName().toLower() == "usage" && !e3.attribute("type").isNull()
                             && e3.attribute("type").toLower() != "internet") {
                             // qCDebug(PLASMA_NM) << "apn" << e2.attribute("value") << "ignored because of usage" << e3.attribute("type");
                             isInternet = false;
                             break;
                         }
                         n3 = n3.nextSibling();
                     }
                     if (isInternet) {
                         mApns.insert(e2.attribute("value"), e2.firstChild());
                     }
                 } else if (!e2.isNull() && e2.tagName().toLower() == "network-id") {
                     mNetworkIds.append(e2.attribute("mcc") + '-' + e2.attribute("mnc"));
                 }
 
                 n2 = n2.nextSibling();
             }
         }
         n = n.nextSibling();
     }
 
     QStringList temp = mApns.keys();
     temp.sort();
     return temp;
 }
 
 ProviderData MobileProviders::parseProvider(const QDomNode &providerNode)
 {
     ProviderData result;
 
     QMap<QString, QString> localizedProviderNames;
 
     QDomNode c = providerNode.firstChild(); // <name | gsm | cdma>
     bool hasGsm = false;
 
     while (!c.isNull()) {
         QDomElement ce = c.toElement();
 
         if (ce.tagName().toLower() == QLatin1String("gsm")) {
             QDomNode gsmNode = c.firstChild();
 
             while (!gsmNode.isNull()) {
                 QDomElement gsmElement = gsmNode.toElement();
 
                 if (gsmElement.tagName().toLower() == QLatin1String("network-id")) {
                     result.mccmncs.append(gsmElement.attribute("mcc") + gsmElement.attribute("mnc"));
                 }
                 gsmNode = gsmNode.nextSibling();
             }
 
             hasGsm = true;
         } else if (ce.tagName().toLower() == QLatin1String("name")) {
             QString lang = ce.attribute("xml:lang");
             if (lang.isEmpty()) {
                 lang = "en"; // English is default
             } else {
                 lang = lang.toLower();
                 lang.remove(QRegularExpression(QStringLiteral("\\-.*$"))); // Remove everything after '-' in xml:lang attribute.
             }
             localizedProviderNames.insert(lang, ce.text());
         }
 
         c = c.nextSibling();
     }
 
     result.name = getNameByLocale(localizedProviderNames);
 
     const QString name = result.name;
     if (hasGsm) {
         mProvidersGsm.insert(name, providerNode.firstChild());
     }
 
     return result;
 }
 
 QStringList MobileProviders::getProvidersFromMCCMNC(const QString &targetMccMnc)
 {
     QStringList result;
 
     QDomNode n = docElement.firstChild();
 
     while (!n.isNull()) {
         QDomElement e = n.toElement(); // <country ...>
 
         if (!e.isNull()) {
             QDomNode n2 = e.firstChild();
             while (!n2.isNull()) {
                 QDomElement e2 = n2.toElement(); // <provider ...>
 
                 if (!e2.isNull() && e2.tagName().toLower() == "provider") {
                     ProviderData data = parseProvider(e2);
 
                     if (data.mccmncs.contains(targetMccMnc)) {
                         result << data.name;
                     }
                 }
                 n2 = n2.nextSibling();
             }
         }
         n = n.nextSibling();
     }
 
     return result;
 }
 
 QStringList MobileProviders::getNetworkIds(const QString &provider)
 {
     if (mNetworkIds.isEmpty()) {
         getApns(provider);
     }
     return mNetworkIds;
 }
 
 QVariantMap MobileProviders::getApnInfo(const QString &apn)
 {
     QVariantMap temp;
     QDomNode n = mApns[apn];
     QStringList dnsList;
     QMap<QString, QString> localizedPlanNames;
 
     while (!n.isNull()) {
         QDomElement e = n.toElement(); // <name|username|password|dns(*)>
 
         if (!e.isNull()) {
             if (e.tagName().toLower() == "name") {
                 QString lang = e.attribute("xml:lang");
                 if (lang.isEmpty()) {
                     lang = "en"; // English is default
                 } else {
                     lang = lang.toLower();
                     lang.remove(QRegularExpression(QStringLiteral("\\-.*$"))); // Remove everything after '-' in xml:lang attribute.
                 }
                 localizedPlanNames.insert(lang, e.text());
             } else if (e.tagName().toLower() == "username") {
                 temp.insert("username", e.text());
             } else if (e.tagName().toLower() == "password") {
                 temp.insert("password", e.text());
             } else if (e.tagName().toLower() == "dns") {
                 dnsList.append(e.text());
             } else if (e.tagName().toLower() == "usage") {
                 temp.insert("usageType", e.attribute("type"));
             }
         }
 
         n = n.nextSibling();
     }
 
     QString name = getNameByLocale(localizedPlanNames);
     if (!name.isEmpty()) {
         temp.insert("name", QVariant::fromValue(name));
     }
     temp.insert("number", getGsmNumber());
     temp.insert("apn", apn);
     temp.insert("dnsList", dnsList);
 
     return temp;
 }
 
 QVariantMap MobileProviders::getCdmaInfo(const QString &provider)
 {
     if (!mProvidersCdma.contains(provider)) {
         return QVariantMap();
     }
 
     QVariantMap temp;
     QDomNode n = mProvidersCdma[provider];
     QStringList sidList;
 
     while (!n.isNull()) {
         QDomElement e = n.toElement(); // <gsm or cdma ...>
 
         if (!e.isNull() && e.tagName().toLower() == "cdma") {
             QDomNode n2 = e.firstChild();
             while (!n2.isNull()) {
                 QDomElement e2 = n2.toElement(); // <name | username | password | sid>
 
                 if (!e2.isNull()) {
                     if (e2.tagName().toLower() == "username") {
                         temp.insert("username", e2.text());
                     } else if (e2.tagName().toLower() == "password") {
                         temp.insert("password", e2.text());
                     } else if (e2.tagName().toLower() == "sid") {
                         sidList.append(e2.text());
                     }
                 }
 
                 n2 = n2.nextSibling();
             }
         }
         n = n.nextSibling();
     }
 
     temp.insert("number", getCdmaNumber());
     temp.insert("sidList", sidList);
     return temp;
 }
 
 QString MobileProviders::getNameByLocale(const QMap<QString, QString> &localizedNames) const
 {
     QString name;
     const QStringList locales = QLocale().uiLanguages();
     for (const QString &locale : locales) {
         QString language = locale.split(QLatin1Char('-')).at(0);
 
         if (localizedNames.contains(language)) {
             return localizedNames[language];
         }
     }
 
     name = localizedNames["en"];
 
     // Use any language if no proper localized name were found.
     if (name.isEmpty() && !localizedNames.isEmpty()) {
         name = localizedNames.constBegin().value();
     }
     return name;
 }