-
-
Notifications
You must be signed in to change notification settings - Fork 1.5k
Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
- Loading branch information
varjolintu
committed
May 21, 2019
1 parent
7ce6f9d
commit 3935a8f
Showing
12 changed files
with
783 additions
and
179 deletions.
There are no files selected for viewing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,217 @@ | ||
| /* | ||
| * Copyright (C) 2019 KeePassXC Team <[email protected]> | ||
| * | ||
| * This program is free software: you can redistribute it and/or modify | ||
| * it under the terms of the GNU General Public License as published by | ||
| * the Free Software Foundation, either version 2 or (at your option) | ||
| * version 3 of the License. | ||
| * | ||
| * This program is distributed in the hope that it will be useful, | ||
| * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
| * GNU General Public License for more details. | ||
| * | ||
| * You should have received a copy of the GNU General Public License | ||
| * along with this program. If not, see <http://www.gnu.org/licenses/>. | ||
| */ | ||
|
|
||
| #include "DownloadIcon.h" | ||
| #include "core/Config.h" | ||
|
|
||
| #ifdef WITH_XC_NETWORKING | ||
| #include <QHostInfo> | ||
| #include <QNetworkAccessManager> | ||
| #include <QtNetwork> | ||
| #endif | ||
|
|
||
| DownloadIcon::DownloadIcon(QObject* parent) | ||
| : QObject(parent) | ||
| #ifdef WITH_XC_NETWORKING | ||
| , m_netMgr(new QNetworkAccessManager(this)) | ||
| , m_reply(nullptr) | ||
| #endif | ||
| { | ||
| } | ||
|
|
||
| DownloadIcon::~DownloadIcon() | ||
| { | ||
| } | ||
|
|
||
| #ifdef WITH_XC_NETWORKING | ||
| namespace | ||
| { | ||
| // Try to get the 2nd level domain of the host part of a QUrl. For example, | ||
| // "foo.bar.example.com" would become "example.com", and "foo.bar.example.co.uk" | ||
| // would become "example.co.uk". | ||
| QString getSecondLevelDomain(const QUrl& url) | ||
| { | ||
| QString fqdn = url.host(); | ||
| fqdn.truncate(fqdn.length() - url.topLevelDomain().length()); | ||
| QStringList parts = fqdn.split('.'); | ||
| QString newdom = parts.takeLast() + url.topLevelDomain(); | ||
| return newdom; | ||
| } | ||
|
|
||
| QUrl convertVariantToUrl(const QVariant& var) | ||
| { | ||
| QUrl url; | ||
| if (var.canConvert<QUrl>()) | ||
| url = var.toUrl(); | ||
| return url; | ||
| } | ||
|
|
||
| QUrl getRedirectTarget(QNetworkReply* reply) | ||
| { | ||
| QVariant var = reply->attribute(QNetworkRequest::RedirectionTargetAttribute); | ||
| QUrl url = convertVariantToUrl(var); | ||
| return url; | ||
| } | ||
| } // namespace | ||
| #endif | ||
|
|
||
| void DownloadIcon::downloadFavicon(Entry* entry) | ||
| { | ||
| #ifdef WITH_XC_NETWORKING | ||
| m_entry = entry; | ||
| m_url = entry->url(); | ||
| m_redirects = 0; | ||
| m_urlsToTry.clear(); | ||
|
|
||
| if (!m_url.scheme().startsWith("http")) { | ||
| m_url.setUrl(QString("https://%1").arg(m_url.toString())); | ||
| } | ||
|
|
||
| QString fullyQualifiedDomain = m_url.host(); | ||
|
|
||
| // Determine if host portion of URL is an IP address by resolving it and | ||
| // searching for a match with the returned address(es). | ||
| bool hostIsIp = false; | ||
| QList<QHostAddress> hostAddressess = QHostInfo::fromName(fullyQualifiedDomain).addresses(); | ||
| for (auto addr : hostAddressess) { | ||
| if (addr.toString() == fullyQualifiedDomain) { | ||
| hostIsIp = true; | ||
| } | ||
| } | ||
|
|
||
| // Determine the second-level domain, if available | ||
| QString secondLevelDomain; | ||
| if (!hostIsIp) { | ||
| secondLevelDomain = getSecondLevelDomain(m_url); | ||
| } | ||
|
|
||
| // Start with the "fallback" url (if enabled) to try to get the best favicon | ||
| if (config()->get("security/IconDownloadFallback", false).toBool()) { | ||
| QUrl fallbackUrl = QUrl("https://icons.duckduckgo.com"); | ||
| fallbackUrl.setPath("/ip3/" + QUrl::toPercentEncoding(fullyQualifiedDomain) + ".ico"); | ||
| m_urlsToTry.append(fallbackUrl); | ||
|
|
||
| // Also try a direct pull of the second-level domain (if possible) | ||
| if (!hostIsIp && fullyQualifiedDomain != secondLevelDomain) { | ||
| fallbackUrl.setPath("/ip3/" + QUrl::toPercentEncoding(secondLevelDomain) + ".ico"); | ||
| m_urlsToTry.append(fallbackUrl); | ||
| } | ||
| } | ||
|
|
||
| // Add a direct pull of the website's own favicon.ico file | ||
| m_urlsToTry.append(QUrl(m_url.scheme() + "://" + fullyQualifiedDomain + "/favicon.ico")); | ||
|
|
||
| // Also try a direct pull of the second-level domain (if possible) | ||
| if (!hostIsIp && fullyQualifiedDomain != secondLevelDomain) { | ||
| m_urlsToTry.append(QUrl(m_url.scheme() + "://" + secondLevelDomain + "/favicon.ico")); | ||
| } | ||
|
|
||
| // Use the first URL to start the download process | ||
| // If a favicon is not found, the next URL will be tried | ||
| startFetchFavicon(m_urlsToTry.takeFirst()); | ||
| #endif | ||
| } | ||
|
|
||
| void DownloadIcon::fetchReadyRead() | ||
| { | ||
| #ifdef WITH_XC_NETWORKING | ||
| m_bytesReceived += m_reply->readAll(); | ||
| #endif | ||
| } | ||
|
|
||
| void DownloadIcon::fetchFinished() | ||
| { | ||
| #ifdef WITH_XC_NETWORKING | ||
| QImage image; | ||
| bool fallbackEnabled = config()->get("security/IconDownloadFallback", false).toBool(); | ||
| bool error = (m_reply->error() != QNetworkReply::NoError); | ||
| if (m_reply->error() == QNetworkReply::HostNotFoundError || m_reply->error() == QNetworkReply::TimeoutError) { | ||
| emit iconReceived(image, m_entry); | ||
| return; | ||
| } | ||
| QUrl redirectTarget = getRedirectTarget(m_reply); | ||
|
|
||
| m_reply->deleteLater(); | ||
| m_reply = nullptr; | ||
|
|
||
| if (!error) { | ||
| if (redirectTarget.isValid()) { | ||
| // Redirected, we need to follow it, or fall through if we have | ||
| // done too many redirects already. | ||
| if (m_redirects < 5) { | ||
| m_redirects++; | ||
| if (redirectTarget.isRelative()) | ||
| redirectTarget = m_fetchUrl.resolved(redirectTarget); | ||
| startFetchFavicon(redirectTarget); | ||
| return; | ||
| } | ||
| } else { | ||
| // No redirect, and we theoretically have some icon data now. | ||
| image.loadFromData(m_bytesReceived); | ||
| } | ||
| } | ||
|
|
||
| if (!image.isNull()) { | ||
| emit iconReceived(image, m_entry); | ||
| return; | ||
| } else if (!m_urlsToTry.empty()) { | ||
| m_redirects = 0; | ||
| startFetchFavicon(m_urlsToTry.takeFirst()); | ||
| return; | ||
| } else { | ||
| if (!fallbackEnabled) { | ||
| emit fallbackNotEnabled(); | ||
| } else { | ||
| emit iconError(); | ||
| } | ||
| } | ||
| emit iconReceived(image, m_entry); | ||
| #endif | ||
| } | ||
|
|
||
| void DownloadIcon::fetchErrored() | ||
| { | ||
| #ifdef WITH_XC_NETWORKING | ||
| emit iconError(); | ||
| emit transferDone(); | ||
| #endif | ||
| } | ||
|
|
||
| void DownloadIcon::abortRequest() | ||
| { | ||
| #ifdef WITH_XC_NETWORKING | ||
| if (m_reply) { | ||
| m_reply->abort(); | ||
| } | ||
| #endif | ||
| } | ||
|
|
||
| void DownloadIcon::startFetchFavicon(const QUrl& url) | ||
| { | ||
| #ifdef WITH_XC_NETWORKING | ||
| m_bytesReceived.clear(); | ||
| m_fetchUrl = url; | ||
|
|
||
| QNetworkRequest request(url); | ||
| m_reply = m_netMgr->get(request); | ||
|
|
||
| connect(m_reply, &QNetworkReply::finished, this, &DownloadIcon::fetchFinished); | ||
| connect(m_reply, &QIODevice::readyRead, this, &DownloadIcon::fetchReadyRead); | ||
| #else | ||
| Q_UNUSED(url); | ||
| #endif | ||
| } |
Oops, something went wrong.