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/*
Copyright (C) 2024-2025 Selwin van Dijk
This file is part of signalbackup-tools.
signalbackup-tools 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 3 of the License, or
(at your option) any later version.
signalbackup-tools 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 signalbackup-tools. If not, see <https://www.gnu.org/licenses/>.
*/
#include "signalbackup.ih"
#include "../signalplaintextbackupdatabase/signalplaintextbackupdatabase.h"
#include "../signalplaintextbackupattachmentreader/signalplaintextbackupattachmentreader.h"
#include "../msgtypes/msgtypes.h"
bool SignalBackup::importFromPlaintextBackup(std::unique_ptr<SignalPlaintextBackupDatabase> const &ptdb, bool skipmessagereorder,
std::vector<std::pair<std::string, long long int>> const &initial_contactmap,
std::vector<std::string> const &daterangelist, std::vector<std::string> const &chats,
bool createmissingcontacts, bool markdelivered, bool markread, bool autodates,
std::string const &selfphone, bool isdummy)
{
if (d_selfid == -1)
{
if (isdummy && !selfphone.empty()) // lets just create a recipient
{
d_selfid = d_database.getSingleResultAs<long long int>("SELECT _id FROM recipient WHERE " + d_recipient_e164 + " = ?", selfphone, -1);
if (d_selfid == -1)
{
// it is possible the contactname is set for this contact in ptdb through --mapxmlcontactnames
std::string contact_name = ptdb->d_database.getSingleResultAs<std::string>("SELECT MAX(contact_name) FROM smses WHERE address = ? "
"AND contact_name IS NOT NULL AND contact_name IS NOT ''",
selfphone, std::string());
std::any new_rid;
if (!insertRow("recipient",
{{d_recipient_e164, selfphone},
{(contact_name.empty() ? "" : "profile_given_name"), contact_name},
{(contact_name.empty() ? "" : "profile_joined_name"), contact_name}},
"_id", &new_rid))
return false;
d_selfid = std::any_cast<long long int>(new_rid);
}
}
else
{
d_selfid = selfphone.empty() ? scanSelf() : d_database.getSingleResultAs<long long int>("SELECT _id FROM recipient WHERE " + d_recipient_e164 + " = ?", selfphone, -1);
if (d_selfid == -1)
{
Logger::error_start("Failed to determine id of 'self'.");
if (selfphone.empty())
Logger::message_start(" Please pass `--setselfid \"[phone]\"' to set it manually");
Logger::message_end();
return false;
}
if (d_selfuuid.empty())
d_selfuuid = bepaald::toLower(d_database.getSingleResultAs<std::string>("SELECT " + d_recipient_aci + " FROM recipient WHERE _id = ?", d_selfid, std::string()));
}
}
if (!ptdb->ok())
{
Logger::error("Failed to open Signal Plaintext Backup database");
return false;
}
// mms messages seem to usually omit the self-address, it is implied to be the sourceaddress when the message is outgoing,
// or (one of the) targetaddresses when the message is incoming.
std::string selfe164(selfphone);
if (selfe164.empty())
selfe164 = d_database.getSingleResultAs<std::string>("SELECT " + d_recipient_e164 + " FROM recipient WHERE _id = ?", d_selfid, std::string());
if (selfe164.empty())
Logger::warning("Failed to get self phone");
else
{
//ptdb->d_database.prettyPrint(false, "SELECT DISTINCT sourceaddress FROM smses WHERE ismms = 1 AND type = 2");
// set source address to self for outgoing
ptdb->d_database.exec("UPDATE smses SET sourceaddress = ? WHERE "
"(NULLIF(sourceaddress, '') IS NULL OR sourceaddress = 'insert-address-token') AND "
"ismms = 1 AND "
"type = 2", selfe164);
//ptdb->d_database.prettyPrint(false, "SELECT DISTINCT sourceaddress FROM smses WHERE ismms = 1 AND type = 2");
//ptdb->d_database.prettyPrint(false, "SELECT DISTINCT targetaddresses FROM smses WHERE ismms = 1 AND type = 1");
// set target address:
ptdb->d_database.exec("UPDATE smses SET targetaddresses = "
"CASE "
" WHEN targetaddresses IS NULL THEN json_array(?1)"
" ELSE json_insert(targetaddresses, '$[#]', ?1) "
"END "
"WHERE ismms = 1 AND type = 1", selfe164);
//ptdb->d_database.prettyPrint(false, "SELECT DISTINCT targetaddresses FROM smses WHERE ismms = 1 AND type = 1");
}
std::vector<std::pair<std::string, std::string>> dateranges;
if (daterangelist.size() % 2 == 0)
for (unsigned int i = 0; i < daterangelist.size(); i += 2)
dateranges.push_back({daterangelist[i], daterangelist[i + 1]});
// set daterange automatically
if (dateranges.empty() && autodates)
{
SqliteDB::QueryResults res;
if ((d_database.containsTable("sms") &&
!d_database.exec("SELECT MIN(mindate) FROM (SELECT MIN(sms." + d_sms_date_received + ", " + d_mms_table + ".date_received) AS mindate FROM sms "
"LEFT JOIN " + d_mms_table + " WHERE sms." + d_sms_date_received + " IS NOT NULL AND " + d_mms_table + ".date_received IS NOT NULL)", &res))
||
(!d_database.containsTable("sms") &&
!d_database.exec("SELECT MIN(" + d_mms_table + ".date_received) AS mindate, MAX(" + d_mms_table + ".date_received) AS maxdate FROM " + d_mms_table + " WHERE " + d_mms_table + ".date_received IS NOT NULL", &res)))
{
Logger::error("Failed to automatically determine data-range");
return false;
}
dateranges.push_back({"0", res.valueAsString(0, "mindate")});
dateranges.push_back({res.valueAsString(0, "maxdate"), bepaald::toString(std::numeric_limits<long long int>::max())});
}
std::string datewhereclause;
for (unsigned int i = 0; i < dateranges.size(); ++i)
{
bool needrounding = false;
long long int startrange = dateToMSecsSinceEpoch(dateranges[i].first);
long long int endrange = dateToMSecsSinceEpoch(dateranges[i].second, &needrounding);
if (startrange == -1 || endrange == -1 || endrange < startrange)
{
Logger::error("Skipping range: '", dateranges[i].first, " - ", dateranges[i].second, "'. Failed to parse or invalid range.");
continue;
}
Logger::message(" Using range: ", dateranges[i].first, " - ", dateranges[i].second, " (", startrange, " - ", endrange, ")");
if (needrounding)// if called with "YYYY-MM-DD HH:MM:SS"
endrange += 999; // to get everything in the second specified...
datewhereclause += (datewhereclause.empty() ? " WHERE (" : " OR ") + "date BETWEEN "s + bepaald::toString(startrange) + " AND " + bepaald::toString(endrange);
if (i == dateranges.size() - 1)
datewhereclause += ')';
}
std::string chatselectionclause;
if (!chats.empty())
{
chatselectionclause += (datewhereclause.empty() ? " WHERE address IN (" : " AND address IN (");
for (unsigned int i = 0; i < chats.size(); ++i)
chatselectionclause += "'" + chats[i] + (i < chats.size() - 1 ? "', " : "')");
}
/*
contactmap:
SELECT address,max(contact_name) FROM smses GROUP BY address ORDER BY address;
*/
std::map<std::string, long long int> contactmap(initial_contactmap.begin(), initial_contactmap.end());
// fill contactmap with known recipients:
{
SqliteDB::QueryResults recipient_results;
if (d_database.exec("SELECT _id, " + d_recipient_e164 + " FROM recipient", &recipient_results))
for (unsigned int i = 0; i < recipient_results.rows(); ++i)
contactmap.emplace(recipient_results(i, "e164"), recipient_results.valueAsInt(i, "_id"));
}
/*
threadmap
*/
std::map<long long int, long long int> threadmap;
// READ always seems to be 1....
//ptdb->d_database.prettyPrint(true, "SELECT DISTINCT type, read FROM smses");
// in signal android backup, all messages are read as well, only old versions of edited are not...
//ptdb->d_database.saveToFile("plainttext.sqlite");
SqliteDB::QueryResults pt_messages;
if (!ptdb->d_database.exec("SELECT "
"rowid, "
"date, type, read, body, contact_name, address, numattachments, COALESCE(sourceaddress, address) AS sourceaddress, ismms, skip "
"FROM smses" + datewhereclause + chatselectionclause +
(datewhereclause.empty() && chatselectionclause.empty() ? " WHERE skip = 0" : " AND skip = 0") +
" ORDER BY date", &pt_messages))
return false;
//pt_messages.prettyPrint(d_truncate);
bool warned_createcontacts = (isdummy ? true : false);
// saves {rowid, {new_mms_id, unique_id}} for messages with attachments
std::map<long long int, std::pair<long long int, long long int>> attachment_messages;
//auto t1 = std::chrono::high_resolution_clock::now();
for (unsigned int i = 0; i < pt_messages.rows(); ++i)
{
if (i % (pt_messages.rows() > 100 ? 100 : 1) == 0)
Logger::message_overwrite("Importing messages into backup... ", i, "/", pt_messages.rows());//,
//" (", pt_messages.valueAsInt(i, "ismms"), ",", pt_messages.valueAsInt(i, "type"), ")");
std::string body = pt_messages(i, "body");
if (body.empty() && pt_messages.valueAsInt(i, "numattachments") <= 0)
{
Logger::warning("Not inserting message with empty body and no attachments. (date: ", pt_messages.valueAsInt(i, "date", -1), ", rowid: ", pt_messages.valueAsInt(i, "rowid"), ")");
continue;
}
std::string pt_messages_address = pt_messages(i, "address");
std::string pt_messages_sourceaddress = pt_messages(i, "sourceaddress");
std::string pt_messages_contact_name = pt_messages(i, "contact_name");
bool isgroup = false;
if (std::string::size_type pos = pt_messages_address.find('~');
pos != std::string::npos &&
pos != 0 &&
pos != pt_messages_address.size() - 1)
isgroup = true;
// match phone number to thread recipient_id
long long int trid = -1;
if (auto it = contactmap.find(pt_messages_address); it != contactmap.end())
{
trid = it->second;
if (d_verbose) [[unlikely]]
Logger::message("Got trid from contactmap: ", makePrintable(pt_messages_address));
}
else
{
if (isdummy) /// only try by address (=phone). Names may be falsely doubled in the XML file
{ ///
if (isgroup)
trid = d_database.getSingleResultAs<long long int>("SELECT _id FROM recipient WHERE group_id = ?", "__signal_group__fake__" + pt_messages_address, -1);
else
trid = getRecipientIdFromPhone(pt_messages_address, false);
if (trid != -1)
{
contactmap[pt_messages_address] = trid;
if (d_verbose) [[unlikely]]
Logger::message("Got trid from addres: ", makePrintable(pt_messages_address));
}
}
else
{
trid = getRecipientIdFromName(pt_messages_contact_name, false);
if (trid != -1)
{
contactmap[pt_messages_address] = trid;
if (d_verbose) [[unlikely]]
Logger::message("Got trid from name: ", makePrintable(pt_messages_contact_name));
}
else // try by phone number...
{
// this can go wrong these days. When an old contact is no longer on signal, it
// is possible the database has 2 entries for this contact, one with nothing but
// phone number (from the system address book, possibly not a valid signal contact),
// and one with names/aci/pni etc (which, while no longer registered, is valid).
//
// since the xml only has e164 to match, it will match the former (which is possibly
// not a valid signal contact and likely causes problems when restoring)
trid = getRecipientIdFromPhone(pt_messages_address, false);
if (trid != -1)
{
contactmap[pt_messages_address] = trid;
if (d_verbose) [[unlikely]]
Logger::message("Got trid from addres: ", makePrintable(pt_messages_address));
}
}
}
}
if (trid == -1)
{
if (createmissingcontacts || isdummy)
{
if ((trid = ptCreateRecipient(ptdb, &contactmap, &warned_createcontacts, pt_messages_contact_name,
pt_messages_address, isgroup)) == -1)
{
Logger::warning("Failed to create thread-recipient for address ", makePrintable(pt_messages_address), " (rowid: ", pt_messages.valueAsInt(i, "rowid"), ")");
continue;
}
if (d_verbose) [[unlikely]]
Logger::message("Created thread-recipient id for address ", makePrintable(pt_messages_address));
}
else
Logger::error("Thread recipient not found in database.");
}
long long int tid = -1;
// get matching thread
if (auto it = threadmap.find(trid); it != threadmap.end())
tid = it->second;
else
{
tid = getThreadIdFromRecipient(trid);
if (tid == -1)
{
// create thread
Logger::message_start("Failed to find matching thread for conversation, creating. (e164: ", makePrintable(pt_messages_address), " -> ", trid);
std::any new_thread_id;
if (!insertRow("thread",
{{d_thread_recipient_id, trid},
{"active", 1}},
"_id", &new_thread_id))
{
Logger::message_end();
Logger::error("Failed to create thread for conversation. Skipping message. (rowid: ", pt_messages.valueAsInt(i, "rowid"), ")");
continue;
}
tid = std::any_cast<long long int>(new_thread_id);
Logger::message_end(" -> thread_id: ", tid, ")");
}
threadmap.emplace(trid, tid);
}
long long int rid = -1;
if (auto it = contactmap.find(pt_messages_sourceaddress); it != contactmap.end()) [[likely]]
rid = it->second;
if (rid == -1)
{
Logger::error("Failed to find source_recipient_id in contactmap (", makePrintable(pt_messages_sourceaddress), "). Should be present at this point. Skipping message (rowid: ", pt_messages.valueAsInt(i, "rowid"), ")");
Logger::error_indent("Extra info:");
Logger::error_indent("Thread recipient: ", trid);
std::string groupid = d_database.getSingleResultAs<std::string>("SELECT group_id FROM recipient WHERE _id = ?", trid, std::string());
if (!groupid.empty())
{
Logger::error_indent("Thread is group");
std::vector<long long int> members;
if (!getGroupMembersModern(&members, groupid))
Logger::error("Failed to get group members");
Logger::error_indent("Known group members (", members.size(), "): ");
for (auto m : members)
{
std::string phone = d_database.getSingleResultAs<std::string>("SELECT e164 FROM recipient WHERE _id = ?", m, std::string());
Logger::error_indent(" - ", m, " : ", phone.empty() ? "(empty)" : makePrintable(phone));
}
}
else
Logger::error_indent("Thread is 1-on-1");
Logger::error_indent("First message for this address was (probably):");
ptdb->d_database.prettyPrint(false,
"SELECT rowid, date, type, read, contact_name, address, numattachments, "
"sourceaddress, targetaddresses, ismms, skip FROM smses WHERE address = ? "
"ORDER BY date LIMIT 1", pt_messages_address);
Logger::error_indent("Current message for this address was:");
ptdb->d_database.prettyPrint(false,
"SELECT rowid, date, type, read, contact_name, address, numattachments, "
"sourceaddress, targetaddresses, ismms, skip FROM smses WHERE rowid = ? "
"ORDER BY date LIMIT 1", pt_messages.value(i, "rowid"));
continue;
}
//std::cout << pt_messages(i, "address") << "/" << pt_messages(i, "contact_name") << " : " << trid << "/" << getNameFromRecipientId(trid) << std::endl;
/* XML type : 1 = Received, 2 = Sent, 3 = Draft, 4 = Outbox, 5 = Failed, 6 = Queued */
bool incoming;
switch (pt_messages.valueAsInt(i, "type", -1))
{
case 1:
incoming = true;
break;
case 2:
case 4: // ?
incoming = false;
break;
case 3:
case 5:
case 6:
default:
Logger::warning("Unsupported message type (", pt_messages.valueAsInt(i, "type", -1), "). Skipping... (rowid: ", pt_messages.valueAsInt(i, "rowid"), ")");
continue;
}
if (!unescapeXmlString(&body)) [[unlikely]]
Logger::warning("Failed to escape message body: '", body, "'");
long long int freedate = pt_messages.valueAsInt(i, "date", -1);
if (!isdummy)
{
// newer tables have a unique constraint on date_sent/thread_id/from_recipient_id, so
// we try to get the first free date_sent
long long int originaldate = freedate;
if (originaldate == -1)
{
Logger::error("Failed to get message date. Skipping... (rowid: ", pt_messages.valueAsInt(i, "rowid"), ")");
continue;
}
//std::cout << "Get free date for message: '" << body << "'" << std::endl;
freedate = getFreeDateForMessage(originaldate, tid, incoming ? trid : d_selfid);
if (freedate == -1)
{
if (d_verbose) [[unlikely]] Logger::message_end();
Logger::error("Getting free date for inserting message into mms. Skipping... (rowid: ", pt_messages.valueAsInt(i, "rowid"), ")");
continue;
}
}
std::any newid;
if (!insertRow(d_mms_table,
{{"thread_id", tid},
{d_mms_date_sent, freedate},
{"date_received", freedate},
{d_mms_type, Types::SECURE_MESSAGE_BIT | Types::PUSH_MESSAGE_BIT | (incoming ? Types::BASE_INBOX_TYPE : Types::BASE_SENT_TYPE)},
{"body", body},
{"read", 1}, // defaults to 0, but causes tons of unread message notifications
{d_mms_delivery_receipts, (incoming ? 0 : (markdelivered ? 1 : 0))},
{d_mms_read_receipts, (incoming ? 0 : (markread ? 1 : 0))},
{d_mms_recipient_id, incoming ? (isgroup ? rid : trid) : d_selfid}, // FROM_RECIPIENT_ID
{"to_recipient_id", incoming ? d_selfid : trid},
{"m_type", incoming ? 132 : 128}}, // dont know what this is, but these are the values...
(pt_messages.valueAsInt(i, "numattachments", -1) > 0 ? "_id" : ""), &newid)) [[unlikely]]
{
Logger::warning("Failed to insert message (rowid: ", pt_messages.valueAsInt(i, "rowid"), ")");
continue;
}
if (pt_messages.valueAsInt(i, "numattachments", 0) > 0)
attachment_messages.emplace_hint(attachment_messages.end(),
pt_messages.valueAsInt(i, "rowid", 0),
std::pair<long long int, long long int>{std::any_cast<long long int>(newid), freedate});
}
Logger::message_overwrite("Importing messages into backup... ", pt_messages.rows(), "/", pt_messages.rows(), " done!", Logger::Control::ENDOVERWRITE);
SqliteDB::QueryResults attachment_res;
if (!ptdb->d_database.exec("SELECT data, filename, pos, size, ct, cl, mid FROM attachments "
"WHERE mid IN (SELECT rowid FROM smses" + datewhereclause + chatselectionclause +
(datewhereclause.empty() && chatselectionclause.empty() ? " WHERE skip = 0" : " AND skip = 0") + ")",
&attachment_res))
return false;
for (unsigned int j = 0; j < attachment_res.rows(); ++j)
{
if (j % (attachment_res.rows() > 100 ? 100 : 1) == 0)
Logger::message_overwrite("Importing attachments into backup... ", j, "/", attachment_res.rows());
MEMINFO("START ATTACHMENT LOOP");
std::string data = attachment_res(j, "data");
std::string file = attachment_res(j, "filename");
long long int pos = attachment_res.valueAsInt(j, "pos", -1);
long long int size = attachment_res.valueAsInt(j, "size", -1);
std::string ct = attachment_res(j, "ct");
std::string cl = attachment_res(j, "cl");
auto amit = attachment_messages.find(attachment_res.valueAsInt(j, "mid", -1));
if (amit == attachment_messages.end()) [[unlikely]]
{
Logger::warning("Found attachment that belongs to no message (mid: ", attachment_res.valueAsInt(j, "mid", -1), ", size: ", size, ")");
continue;
}
long long int new_message_id = amit->second.first;
long long int unique_id = amit->second.second;
uint64_t att_data_size;
int width = 0;
int height = 0;
std::string hash;
// get attachment metadata
SignalPlainTextBackupAttachmentReader ptar(data, file, pos, size);
// if it's not just for HTML export we need data hash, and resolution
if (!isdummy)
{
#if __cpp_lib_out_ptr >= 202106L
std::unique_ptr<unsigned char[]> att_data;
if (ptar.getAttachmentData(std::out_ptr(att_data), d_verbose) != 0)
#else
unsigned char *att_data = nullptr; // !! NOTE RAW POINTER
if (ptar.getAttachmentData(&att_data, d_verbose) != 0)
#endif
{
Logger::error("Failed to get attachment data");
continue;
}
#if __cpp_lib_out_ptr >= 202106L
AttachmentMetadata amd = AttachmentMetadata::getAttachmentMetaData(std::string(), att_data.get(), ptar.dataSize()); // get metadata from heap
#else
AttachmentMetadata amd = AttachmentMetadata::getAttachmentMetaData(std::string(), att_data, ptar.dataSize()); // get metadata from heap
if (att_data)
delete[] att_data;
#endif
att_data_size = amd.filesize;
width = amd.width == -1 ? 0 : amd.width;
height = amd.height== -1 ? 0 : amd.height;
hash = amd.hash;
}
else
att_data_size = ptar.dataSize();
// not supported on signal android anyway
if (att_data_size == 0) [[unlikely]]
{
Logger::warning("Not inserting 0 byte attachment");
continue;
}
// add entry to attachment table;
std::any new_aid;
if (!insertRow(d_part_table,
{{d_part_mid, new_message_id},
{d_part_ct, ct},
{!cl.empty() ? "file_name" : "", cl},
{d_part_pending, 0},
{"data_size", att_data_size},
{"voice_note", 0},
{"width", width},
{"height", height},
{"quote", 0},
{((d_database.tableContainsColumn(d_part_table, "data_hash") && !isdummy) ? "data_hash" : ""), hash},
{((d_database.tableContainsColumn(d_part_table, "data_hash_start") && !isdummy) ? "data_hash_start" : ""), hash},
{((d_database.tableContainsColumn(d_part_table, "data_hash_end") && !isdummy) ? "data_hash_end" : ""), hash}},
"_id", &new_aid))
continue;
long long int new_part_id = std::any_cast<long long int>(new_aid);
DeepCopyingUniquePtr<AttachmentFrame> new_attachment_frame;
if (setFrameFromStrings(&new_attachment_frame, std::vector<std::string>{"ROWID:uint64:" + bepaald::toString(new_part_id),
(d_database.tableContainsColumn(d_part_table, "unique_id") ?
"ATTACHMENTID:uint64:" + bepaald::toString(unique_id) : ""),
"LENGTH:uint32:" + bepaald::toString(att_data_size)}))
{
new_attachment_frame->setReader(new SignalPlainTextBackupAttachmentReader(data, file, pos, size));
d_attachments.emplace(std::make_pair(new_part_id,
d_database.tableContainsColumn(d_part_table, "unique_id") ?
unique_id : -1), new_attachment_frame.release());
}
else
{
Logger::error("Failed to create AttachmentFrame for data");
Logger::error_indent(" rowid : ", new_part_id);
Logger::error_indent(" attachmentid: ", d_database.tableContainsColumn(d_part_table, "unique_id") ? unique_id : -1);
Logger::error_indent(" length : ", att_data_size);
// try to remove the inserted part entry:
d_database.exec("DELETE FROM " + d_part_table + " WHERE _id = ?", new_part_id);
continue;
}
MEMINFO("END ATTACHMENT LOOP");
}
//auto t2 = std::chrono::high_resolution_clock::now();
//auto ms_int = std::chrono::duration_cast<std::chrono::milliseconds>(t2 - t1);
//std::cout << " *** TIME: " << ms_int.count() << "ms\n";
Logger::message_overwrite("Importing attachments into backup... ", attachment_res.rows(), "/", attachment_res.rows(), " done!", Logger::Control::ENDOVERWRITE);
// count entities still present...
//ptdb->d_database.exec("SELECT rowid,body,LENGTH(body) - LENGTH(REPLACE(body, '&', '')) AS entities FROM smses ORDER BY entities ASC");
// save to disk
//ptdb->d_database.saveToFile("xmldb.sqlite");
if (!skipmessagereorder) [[likely]]
if (!isdummy)
reorderMmsSmsIds();
updateThreadsEntries();
return checkDbIntegrity();
}
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