mirror of
https://github.com/lux-tel/libsession-util.git
synced 2026-10-30 20:25:11 +00:00
Morgan Pretty
0579f5c206
# Conflicts: # external/CMakeLists.txt # external/oxen-encoding # include/session/config.hpp # include/session/config/base.hpp # include/session/config/convo_info_volatile.hpp # include/session/config/protos.hpp # include/session/hash.hpp # include/session/session_encrypt.hpp # include/session/types.hpp # include/session/util.hpp # src/CMakeLists.txt # src/config/base.cpp # src/config/convo_info_volatile.cpp # src/config/encrypt.cpp # src/config/internal.cpp # src/config/internal.hpp # src/config/protos.cpp # src/hash.cpp # src/session_encrypt.cpp # tests/CMakeLists.txt # tests/swarm-auth-test.cpp # tests/test_blinding.cpp # tests/test_bugs.cpp # tests/test_config_contacts.cpp # tests/test_config_convo_info_volatile.cpp # tests/test_config_user_groups.cpp # tests/test_config_userprofile.cpp # tests/test_configdata.cpp # tests/test_group_info.cpp # tests/test_group_keys.cpp # tests/test_group_members.cpp # tests/test_multi_encrypt.cpp # tests/test_session_encrypt.cpp # tests/utils.hpp
134 lines
4.6 KiB
C++
134 lines
4.6 KiB
C++
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#include <oxenc/hex.h>
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#include <session/config/encrypt.h>
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#include <session/config/user_profile.h>
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#include <sodium/crypto_sign_ed25519.h>
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#include <catch2/catch_test_macros.hpp>
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#include <string_view>
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#include "utils.hpp"
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namespace session::config {
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void compress_message(std::vector<unsigned char>& msg, int level);
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}
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TEST_CASE("compression", "[config][compression]") {
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auto data =
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"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
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"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"_hexbytes;
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CHECK(data.size() == 81);
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auto d = data;
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session::config::compress_message(d, 1);
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CHECK(d[0] == 'z');
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CHECK(d.size() == 18);
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CHECK(to_hex(d) == "7a28b52ffd205145000010aaaa01008c022c");
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d = data;
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session::config::compress_message(d, 5);
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CHECK(d[0] == 'z');
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CHECK(d.size() == 17);
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CHECK(to_hex(d) == "7a28b52ffd20513d000008aa01000dea84");
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// This message (from the user profile test case) doesn't compress any better than plaintext
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// with zstd compression, so the compress_message call shouldn't change it.
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// clang-format off
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data = session::to_vector(
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"d"
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"1:#" "i1e"
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"1:&" "d"
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"1:n" "6:Kallie"
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"1:p" "34:http://example.org/omg-pic-123.bmp"
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"1:q" "6:secret"
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"e"
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"1:<" "l"
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"l"
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"i0e"
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"32:" +
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session::to_string("ea173b57beca8af18c3519a7bbf69c3e7a05d1c049fa9558341d8ebb48b0c965"_hexbytes) +
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"de"
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"e"
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"e"
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"1:=" "d"
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"1:n" "0:"
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"1:p" "0:"
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"1:q" "0:"
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"e"
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"e");
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//
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// If we add some more repetition in it, though, it will:
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auto data2 = session::to_vector(
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"d"
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"1:#" "i1e"
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"1:&" "d"
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"1:n" "12:KallieKallie"
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"1:p" "29:http://kallie.example.org/Kallie.bmp"
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"1:q" "24:KallieKalliesecretKallie"
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"e"
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"1:<" "l"
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"l"
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"i0e"
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"32:" +
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session::to_string("ea173b57beca8af18c3519a7bbf69c3e7a05d1c049fa9558341d8ebb48b0c965"_hexbytes) +
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"de"
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"e"
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"e"
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"1:=" "d"
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"1:n" "0:"
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"1:p" "0:"
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"1:q" "0:"
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"e"
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"e");
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// clang-format on
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d = data;
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intptr_t dptr = reinterpret_cast<intptr_t>(d.data());
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// Doesn't compress, so shouldn't change:
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CHECK(d.size() == 142);
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session::config::compress_message(d, 1);
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CHECK(d[0] == 'd');
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CHECK(d.size() == 142);
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CHECK(reinterpret_cast<intptr_t>(d.data()) == dptr);
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// Test some compression levels with exact compression values. (Note that this will change if
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// we change the version of external/zstd, but should be constant otherwise for any given
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// version of zstd).
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d = data2;
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session::config::compress_message(d, 1);
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CHECK(d[0] == 'z');
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CHECK(d.size() == 161);
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CHECK(d.size() < data2.size());
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CHECK(to_hex(d) ==
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"7a28b52ffd20aabd0400640864313a23693165313a2664313a6e31323a4b616c6c6965313a7032393a68"
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"7474703a2f2f6b2e6578616d706c652e6f72672f4b626d70313a71323473656372657465313a3c6c6c69"
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"306533323aea173b57beca8af18c3519a7bbf69c3e7a05d1c049fa9558341d8ebb48b0c9656465656531"
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"3a3d64313a6e303a313a70303a313a71303a656505003587f2d5e1c02836af9aa13401");
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d = data2;
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session::config::compress_message(d, 5);
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CHECK(d[0] == 'z');
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CHECK(d.size() == 156);
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CHECK(d.size() < data2.size());
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CHECK(to_hex(d) ==
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"7a28b52ffd20aa950400a40764313a23693165313a2664313a6e31323a4b616c6c6965313a7032393a68"
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"7474703a2f2f6b2e6578616d706c652e6f72672f4b626d70313a71323473656372657465313a3c6c6c69"
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"306533323aea173b57beca8af18c3519a7bbf69c3e7a05d1c049fa9558341d8ebb48b0c96564653d303a"
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"313a7071303a65650800a8d0880966a9827e19e0572706a3d8bc6a86d204");
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d = data2;
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session::config::compress_message(d, 19);
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CHECK(d[0] == 'z');
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CHECK(d.size() == 157); // Yeah, it actually gets *bigger* with supposedly "higher" compression
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CHECK(d.size() < data2.size());
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CHECK(to_hex(d) ==
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"7a28b52ffd20aa9d0400e40764313a23693165313a2664313a6e31323a4b616c6c6965313a7032393a68"
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"7474703a2f2f6b2e6578616d706c652e6f72672f4b626d70313a71323473656372657465313a3c6c6c69"
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"306533323aea173b57beca8af18c3519a7bbf69c3e7a05d1c049fa9558341d8ebb48b0c96564653d6431"
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"3a6e303a313a7071303a6565070028812c55282f03fceac460149b57cd509a");
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}
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