1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
|
/*
Copyright (C) 2023-2025 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"
bool SignalBackup::tgSetBodyRanges(std::string const &bodyjson, long long int message_id)
{
//std::cout << "bodydata: " << bodyjson << std::endl;
long long int fragments = d_database.getSingleResultAs<long long int>("SELECT json_array_length(?, '$')", bodyjson, -1);
if (fragments == -1)
{
Logger::error("Failed to get number of text fragments from message body. Body data: '" + bodyjson + "'");
return false;
}
long long int currentpos = 0;
BodyRanges bodyrangelist;
SqliteDB::QueryResults br;
for (unsigned int i = 0; i < fragments; ++i)
{
if (!d_database.exec("SELECT "
"json_extract(?1, '$[" + bepaald::toString(i) + "].text') AS text, "
"json_extract(?1, '$[" + bepaald::toString(i) + "].type') AS type",
bodyjson, &br) || br.rows() != 1)
{
Logger::error("Failed to get text fragment (", i, ") from message body. Body data: '" + bodyjson + "'");
return false;
}
BodyRange bodyrange;
std::string bodyfrag = br("text");
unsigned int fraglen = 0;
for (unsigned int c = 0; c < bodyfrag.length(); c += bytesToUtf8CharSize(bodyfrag, c))
fraglen += utf16CharSize(bodyfrag, c);
if (br("type") == "plain") [[likely]]
;
else if (bepaald::contains(std::vector{"bold", "italic", "spoiler", "strikethrough", "code"}, br("type")))
{
// start pos
if (currentpos != 0)
bodyrange.addField<1>(currentpos);
// length
bodyrange.addField<2>(fraglen);
// type
if (br("type") == "bold")
bodyrange.addField<4>(0);
else if (br("type") == "italic")
bodyrange.addField<4>(1);
else if (br("type") == "spoiler")
bodyrange.addField<4>(2);
else if (br("type") == "strikethrough")
bodyrange.addField<4>(3);
else if (br("type") == "code") // monospace
bodyrange.addField<4>(4);
// add to list
bodyrangelist.addField<1>(bodyrange);
}
else if (br("type") == "underline")
Logger::warnOnce("Underline text styling is not supported by Signal");
else if (br("type") == "link")
Logger::warnOnce("'Link' text styling is not supported by Signal");
else
Logger::warnOnce("(unknown text styling: '" + br("type") + "')");
currentpos += fraglen;
}
//bodyrangelist.print();
// set it
if (bodyrangelist.size())
{
std::pair<unsigned char *, size_t> bodyrangesdata(bodyrangelist.data(), bodyrangelist.size());
if (!d_database.exec("UPDATE " + d_mms_table + " SET " + d_mms_ranges + " = ? WHERE rowid = ?", {bodyrangesdata, message_id}) ||
d_database.changed() != 1)
{
Logger::error("Failed to set body ranges for message. Body data: '" + bodyjson + "'");
return false;
}
}
return true;
}
|
