validatorurl.cpp

/*
 * SPDX-FileCopyrightText: (C) 2017-2025 Matthias Fehring <mf@huessenbergnetz.de>
 * SPDX-License-Identifier: BSD-3-Clause
 */
 
#include "validatorurl_p.h"
 
#include <QUrl>
 
using namespace Cutelyst;
using namespace Qt::StringLiterals;
 
ValidatorUrl::ValidatorUrl(const QString &field,
                           Constraints constraints,
                           const QStringList &schemes,
                           const Cutelyst::ValidatorMessages &messages,
                           const QString &defValKey)
    : ValidatorRule(*new ValidatorUrlPrivate(field, constraints, schemes, messages, defValKey))
{
}
 
ValidatorUrl::~ValidatorUrl() = default;
 
ValidatorReturnType ValidatorUrl::validate(Context *c, const ParamsMultiMap &params) const
{
    ValidatorReturnType result;
 
    Q_D(const ValidatorUrl);
 
    const QString v = value(params);
 
    if (!v.isEmpty()) {
 
        bool valid = true;
 
        QUrl url(v, d->constraints.testFlag(StrictParsing) ? QUrl::StrictMode : QUrl::TolerantMode);
        if (!url.isValid() || url.isEmpty()) {
            valid = false;
        }
 
        if (valid &&
            (d->constraints.testFlag(NoRelative) || d->constraints.testFlag(WebsiteOnly)) &&
            url.isRelative()) {
            valid = false;
        }
 
        if (valid &&
            (d->constraints.testFlag(NoLocalFile) || d->constraints.testFlag(WebsiteOnly)) &&
            url.isLocalFile()) {
            valid = false;
        }
 
        if (valid) {
            const QStringList schemeList = d->constraints.testFlag(WebsiteOnly)
                                               ? QStringList({u"http"_s, u"https"_s})
                                               : d->schemes;
 
            if (!schemeList.empty()) {
 
                bool foundScheme = false;
                for (const QString &s : schemeList) {
                    const QString sl = s.toLower();
                    if (url.scheme() == sl) {
                        foundScheme = true;
                        break;
                    }
                }
 
                valid = foundScheme;
            }
        }
 
        if (!valid) {
            result.errorMessage = validationError(c);
            qCDebug(C_VALIDATOR).noquote() << debugString(c) << "Not a valid URL";
        } else {
            result.value.setValue(url);
        }
    } else {
        defaultValue(c, &result);
    }
 
    return result;
}
 
void ValidatorUrl::validateCb(Context *c, const ParamsMultiMap &params, ValidatorRtFn cb) const
{
    cb(validate(c, params));
}
 
QString ValidatorUrl::genericValidationError(Context *c, const QVariant &errorData) const
{
    Q_UNUSED(errorData)
    const QString _label = label(c);
    if (_label.isEmpty()) {
        //% "Not a valid URL."
        return c->qtTrId("cutelyst-valurl-genvalerr");
    } else {
        //: %1 will be replaced by the field label
        //% "The text in the “%1” field is not a valid URL."
        return c->qtTrId("cutelyst-valurl-genvalerr-label").arg(_label);
    }
}