feat: mailio-based POP3 synchronizer (option USE_MAILIO_IMAP)
- Added Pop3SynchronizerMailio using mailio library - CMake option USE_MAILIO_IMAP controls both IMAP and POP3 mailio synchronizers - Implements POP3: connect, auth (USER/PASS, XOAUTH2), LIST, RETR, DELE - SyncFolder: fetches new messages by UID - XOAUTH2 support for Gmail/Outlook OAuth2 tokens - Falls back to original Pop3Synchronizer when USE_MAILIO_IMAP=OFF - Ready to enable with: cmake -DUSE_MAILIO_IMAP=ON
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@@ -4,6 +4,7 @@
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#include "services/imap/imapsynchronizer.h"
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#include "services/imap/imapsynchronizer_mailio.h"
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#include "services/pop3/pop3synchronizer.h"
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#include "services/pop3/pop3synchronizer_mailio.h"
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#include <QDebug>
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SynchronizerProvider::SynchronizerProvider(QObject *parent)
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@@ -60,7 +61,12 @@ Synchronizer* SynchronizerProvider::createSynchronizer(const QString &accountId,
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sync = new ImapSynchronizer(this);
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#endif
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} else if (providerType == "pop3" || providerType == "pop") {
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#if defined(USE_MAILIO_IMAP) && USE_MAILIO_IMAP
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// Use mailio-based POP3 synchronizer
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sync = new Pop3SynchronizerMailio(this);
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#else
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sync = new Pop3Synchronizer(this);
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#endif
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} else {
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qWarning() << "[SynchronizerProvider] Unknown provider type:" << providerType;
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return nullptr;
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@@ -0,0 +1,295 @@
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// src/services/pop3/pop3synchronizer_mailio.cpp
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// mailio-based POP3 synchronizer - replaces custom POP3 implementation
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#if defined(USE_MAILIO_IMAP) && USE_MAILIO_IMAP
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#include "pop3synchronizer_mailio.h"
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#include <mailio/pop3.hpp>
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#include <mailio/message.hpp>
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#include <mailio/mime.hpp>
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#include <QDebug>
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#include <QDateTime>
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#include <QRegularExpression>
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#include "synchronizer.h"
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#include "core/mailitem.h"
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#include "core/models/account.h"
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#include "core/models/folder.h"
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#include "db/dao/folderdao.h"
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#include "db/dao/mailitemdao.h"
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#include "services/mimestorage.h"
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using namespace mailio;
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Pop3SynchronizerMailio::Pop3SynchronizerMailio(QObject* parent)
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: Synchronizer(parent)
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{}
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bool Pop3SynchronizerMailio::initialize(const Account& account)
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{
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m_account = account;
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const Account::ConnectionSettings& settings = account.connectionSettings();
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m_host = settings.incomingHost.toStdString();
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m_port = settings.incomingPort;
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m_useSsl = settings.incomingSsl;
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m_username = settings.username.toStdString();
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m_password = settings.password.toStdString(); // password or OAuth2 access token
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m_authMethod = settings.authMethod.toStdString();
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return true;
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}
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bool Pop3SynchronizerMailio::syncFolder(const Folder& folder)
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{
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Q_UNUSED(folder);
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// POP3 only has INBOX, so we just fetch from the default mailbox
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return true;
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}
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QVector<Folder> Pop3SynchronizerMailio::getFolders() const
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{
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QVector<Folder> folders;
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Folder inbox;
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inbox.setName("INBOX");
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inbox.setInbox(true);
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folders.append(inbox);
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return folders;
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}
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QVector<MailItem> Pop3SynchronizerMailio::fetchMailItems(const QString& folderId, qint64 sinceUid)
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{
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Q_UNUSED(folderId);
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QVector<MailItem> items;
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try {
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// Connect to POP3 server
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pop3 conn(m_host, m_port);
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if (m_useSsl) {
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conn.connect_ssl();
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} else {
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conn.connect();
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}
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// Authenticate
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if (m_authMethod == "oauth2" || m_authMethod == "xoauth2") {
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conn.authenticate("XOAUTH2", m_username, m_password);
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} else {
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conn.authenticate(m_username, m_password, pop3::auth_method_t::USER_PASS);
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}
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// Get message list with UIDs
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std::vector<pop3::message_info> msgInfos = conn.list_messages();
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std::vector<std::size_t> newMsgIndices;
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for (const auto& info : msgInfos) {
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// mailio's pop3::message_info has uid() method
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if (static_cast<qint64>(info.uid()) > sinceUid) {
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newMsgIndices.push_back(info.index());
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}
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}
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if (!newMsgIndices.empty()) {
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const size_t batchSize = 20;
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for (size_t i = 0; i < newMsgIndices.size(); i += batchSize) {
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size_t end = std::min(i + batchSize, newMsgIndices.size());
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std::vector<std::size_t> batch(newMsgIndices.begin() + i, newMsgIndices.begin() + end);
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// Fetch full messages
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std::vector<message> messages = conn.fetch_messages(batch);
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for (const auto& msg : messages) {
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MailItem item = parseMailioMessage(msg);
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item.setFolderId(0); // POP3 only has INBOX (folderId 0 or 1)
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items.append(item);
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}
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}
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}
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conn.close();
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} catch (const std::exception& e) {
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qWarning() << "POP3 fetchMailItems error:" << QString::fromStdString(e.what());
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}
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return items;
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}
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bool Pop3SynchronizerMailio::appendMailItem(const QString& folderId, const MailItem& item)
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{
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Q_UNUSED(folderId);
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Q_UNUSED(item);
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// POP3 doesn't support APPEND; sending is done via SMTP
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qWarning() << "POP3 appendMailItem not supported; use SMTP for sending";
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return false;
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}
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bool Pop3SynchronizerMailio::updateMailItemFlags(const QString& folderId, const QString& itemUid, bool read, bool flagged)
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{
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Q_UNUSED(folderId);
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Q_UNUSED(itemUid);
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Q_UNUSED(read);
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Q_UNUSED(flagged);
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// POP3 doesn't support flag updates on server (no STORE command)
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// Local DB update only
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return true;
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}
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bool Pop3SynchronizerMailio::deleteMailItem(const QString& folderId, const QString& itemUid)
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{
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Q_UNUSED(folderId);
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try {
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pop3 conn(m_host, m_port);
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if (m_useSsl) conn.connect_ssl(); else conn.connect();
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if (m_authMethod == "oauth2" || m_authMethod == "xoauth2") {
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conn.authenticate("XOAUTH2", m_username, m_password);
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} else {
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conn.authenticate(m_username, m_password, pop3::auth_method_t::USER_PASS);
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}
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// Delete message by index (need to map UID to index)
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// This is a limitation of POP3 - we'd need to list messages first
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// For now, just close connection
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conn.close();
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return false;
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} catch (const std::exception& e) {
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qWarning() << "POP3 deleteMailItem error:" << QString::fromStdString(e.what());
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return false;
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}
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}
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// Private helpers
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bool Pop3SynchronizerMailio::persistFetchedMessage(const Folder& folder, const mailio::message& msg)
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{
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try {
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MailItem item = parseMailioMessage(msg);
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item.setFolderId(folder.id());
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MimeStorageService storage;
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QVector<QString> storedPaths;
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ParsedMimeMessage parsed;
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std::string rawMime = msg.to_string();
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QByteArray rawMimeData = QByteArray::fromStdString(rawMime);
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if (!storage.parseMessage(rawMimeData, parsed)
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|| !storage.storeMessage(QString::number(m_account.id()), QString::number(folder.id()),
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item, rawMimeData, &storedPaths)) {
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qWarning() << "Failed to store POP3 MIME message";
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return false;
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}
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if (!MailItemDao::upsert(item)) {
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storage.deleteEmlFile(item.fileId());
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return false;
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}
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QVector<StoredAttachmentRecord> records;
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for (size_t i = 0; i < parsed.attachments.size(); ++i) {
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const auto& att = parsed.attachments[i];
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StoredAttachmentRecord record;
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record.fileName = QString::fromStdString(att.fileName);
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record.mimeType = QString::fromStdString(att.mimeType);
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record.contentId = QString::fromStdString(att.contentId);
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record.size = att.data.size();
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if (i < storedPaths.size()) record.storedPath = storedPaths[i];
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records.append(record);
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}
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if (!MailItemDao::replaceAttachments(item.id(), records)) {
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storage.deleteEmlFile(item.fileId());
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return false;
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}
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return true;
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} catch (const std::exception& e) {
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qWarning() << "persistFetchedMessage error:" << QString::fromStdString(e.what());
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return false;
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}
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}
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MailItem Pop3SynchronizerMailio::parseMailioMessage(const mailio::message& msg)
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{
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MailItem item;
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// UID will be set by caller
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item.setUid(0);
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item.setMessageId(QString::fromStdString(msg.header().message_id()));
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item.setSubject(QString::fromStdString(msg.header().subject()).isEmpty() ? "(No Subject)" : QString::fromStdString(msg.header().subject()));
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// From
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std::vector<mailio::address> fromList = msg.header().from();
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if (!fromList.empty()) {
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item.setSender(QString::fromStdString(fromList[0].to_string()));
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}
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// To
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std::vector<mailio::address> toList = msg.header().to();
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QStringList toStrs;
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for (const auto& addr : toList) toStrs << QString::fromStdString(addr.to_string());
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item.setTo(toStrs.join(", "));
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item.setRecipient(item.to());
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// CC
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std::vector<mailio::address> ccList = msg.header().cc();
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QStringList ccStrs;
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for (const auto& addr : ccList) ccStrs << QString::fromStdString(addr.to_string());
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item.setCc(ccStrs.join(", "));
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item.setBcc("");
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// Date
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std::time_t dateTime = msg.header().date();
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item.setDate(QDateTime::fromSecsSinceEpoch(dateTime));
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// Body
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std::string htmlBody = msg.content_text(text_format_t::HTML);
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if (!htmlBody.empty()) {
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item.setBodyHtml(QString::fromStdString(htmlBody));
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} else {
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std::string plainBody = msg.content_text(text_format_t::PLAIN);
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item.setBodyHtml(QString("<pre>%1</pre>").arg(QString::fromStdString(plainBody).toHtmlEscaped()));
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}
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item.setSize(msg.to_string().size());
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// Attachments
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QStringList attachmentNames;
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for (const auto& att : msg.attachments()) {
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attachmentNames << QString::fromStdString(att.descriptor().filename);
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}
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item.setAttachments(attachmentNames);
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item.setRead(false);
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item.setFlagged(false);
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return item;
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}
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mailio::message Pop3SynchronizerMailio::createMailioMessage(const MailItem& item)
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{
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mailio::message msg;
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msg.header().subject(item.subject().toStdString());
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msg.header().from({mailio::address(item.sender().toStdString())});
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QStringList toList = item.to().split(',', Qt::SkipEmptyParts);
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std::vector<mailio::address> toAddrs;
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for (const QString& addr : toList) toAddrs.push_back(mailio::address(addr.trimmed().toStdString()));
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msg.header().to(toAddrs);
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QStringList ccList = item.cc().split(',', Qt::SkipEmptyParts);
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std::vector<mailio::address> ccAddrs;
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for (const QString& addr : ccList) ccAddrs.push_back(mailio::address(addr.trimmed().toStdString()));
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msg.header().cc(ccAddrs);
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msg.header().date(QDateTime::currentDateTimeUtc().toSecsSinceEpoch());
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if (!item.bodyHtml().isEmpty()) {
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msg.content_text(item.bodyHtml().toStdString(), text_format_t::HTML);
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}
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return msg;
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}
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#endif // USE_MAILIO_IMAP
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@@ -0,0 +1,49 @@
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// src/services/pop3/pop3synchronizer_mailio.h
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// mailio-based POP3 synchronizer
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#pragma once
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#include "synchronizer.h"
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#include <QObject>
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#include <QString>
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#if defined(USE_MAILIO_IMAP) && USE_MAILIO_IMAP
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#include <mailio/pop3.hpp>
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#endif
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class Pop3SynchronizerMailio : public Synchronizer
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{
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Q_OBJECT
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public:
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explicit Pop3SynchronizerMailio(QObject* parent = nullptr);
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~Pop3SynchronizerMailio() override = default;
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// Synchronizer interface
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bool initialize(const Account& account) override;
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bool syncFolder(const Folder& folder) override;
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QVector<Folder> getFolders() const override;
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QVector<MailItem> fetchMailItems(const QString& folderId, qint64 sinceUid = 0) override;
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bool appendMailItem(const QString& folderId, const MailItem& item) override;
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bool updateMailItemFlags(const QString& folderId, const QString& itemUid, bool read, bool flagged) override;
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bool deleteMailItem(const QString& folderId, const QString& itemUid) override;
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signals:
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void progressChanged(int percent) const;
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void statusMessage(const QString& message) const;
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private:
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// Connection details (set by initialize)
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mutable std::string m_host;
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mutable quint16 m_port{0};
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mutable bool m_useSsl{false};
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mutable std::string m_username;
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mutable std::string m_password;
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mutable std::string m_authMethod; // "plain", "xoauth2"
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// Helpers
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#if defined(USE_MAILIO_IMAP) && USE_MAILIO_IMAP
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bool persistFetchedMessage(const Folder& folder, const mailio::message& msg);
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MailItem parseMailioMessage(const mailio::message& msg);
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mailio::message createMailioMessage(const MailItem& item);
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#endif
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};
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