Add managed codec DSP and initial control server

dotnet/oracle/CMakeLists.txt

@@ -7,3 +7,19 @@ add_executable(voicecat-dotnet-tls-oracle tls.cpp)
 target_link_libraries(voicecat-dotnet-tls-oracle PRIVATE voicecat::voicecat)
 target_include_directories(voicecat-dotnet-tls-oracle PRIVATE ${CMAKE_SOURCE_DIR}/core/src)
 target_compile_features(voicecat-dotnet-tls-oracle PRIVATE cxx_std_20)
+
+add_executable(voicecat-dotnet-dsp-oracle dsp.cpp)
+target_link_libraries(voicecat-dotnet-dsp-oracle PRIVATE voicecat::voicecat)
+target_include_directories(voicecat-dotnet-dsp-oracle PRIVATE ${CMAKE_SOURCE_DIR}/core/src)
+target_compile_features(voicecat-dotnet-dsp-oracle PRIVATE cxx_std_20)
+
+find_package(unofficial-sodium CONFIG REQUIRED)
+add_executable(voicecat-dotnet-password-oracle passwords.cpp)
+target_link_libraries(voicecat-dotnet-password-oracle PRIVATE unofficial-sodium::sodium)
+target_compile_features(voicecat-dotnet-password-oracle PRIVATE cxx_std_20)
+
+if(VOICECAT_BUILD_SERVER)
+    add_executable(voicecat-dotnet-database-oracle database.cpp)
+    target_link_libraries(voicecat-dotnet-database-oracle PRIVATE voicecat::server)
+    target_compile_features(voicecat-dotnet-database-oracle PRIVATE cxx_std_20)
+endif()

dotnet/oracle/database.cpp

@@ -0,0 +1,25 @@
+#include "db.h"
+#include <string>
+
+int main(int argc, char **argv) {
+    if (argc != 3) return 1;
+    voicecat::server::Database database(argv[2]);
+    std::string error;
+    if (!database.open(error)) return 1;
+    if (std::string(argv[1]) == "create") {
+        if (!database.create_account("legacy", "legacy password", true, error)) return 1;
+        voicecat::server::ChannelRecord lobby;
+        lobby.name = "Lobby";
+        lobby.topic = "Preserved native topic";
+        lobby.max_users = 7;
+        lobby.audio.set_sample_rate(48000);
+        lobby.audio.set_bitrate_bps(32000);
+        lobby.audio.set_frame_ms(20);
+        return database.create_channel(lobby, "", error) ? 0 : 1;
+    }
+    if (std::string(argv[1]) == "verify") {
+        auto account = database.authenticate("managed", "managed password");
+        return account && account->is_admin ? 0 : 1;
+    }
+    return 1;
+}

dotnet/oracle/dsp.cpp

@@ -0,0 +1,30 @@
+#include "audio/apm_processor.h"
+
+#include <cstdint>
+#include <fstream>
+#include <vector>
+
+int main(int argc, char **argv) {
+    if (argc != 2) return 2;
+    auto processor = voicecat::audio::ApmProcessor::create();
+    if (!processor) return 1;
+    std::vector<int16_t> pcm(960);
+    uint32_t random = 0x12345678;
+    for (int frame = 0; frame < 200; ++frame) {
+        for (auto &sample : pcm) {
+            random ^= random << 13;
+            random ^= random >> 17;
+            random ^= random << 5;
+            sample = static_cast<int16_t>(static_cast<int>(random % 6001) - 3000);
+        }
+        if (!processor->process_capture(pcm.data(), static_cast<int>(pcm.size()), 48000)) return 1;
+    }
+    std::ofstream output(argv[1]);
+    output << "{\"samples\":[";
+    for (size_t i = 0; i < pcm.size(); ++i) {
+        if (i) output << ',';
+        output << pcm[i];
+    }
+    output << "]}\n";
+    return output ? 0 : 1;
+}

dotnet/oracle/passwords.cpp

@@ -0,0 +1,29 @@
+#include <sodium.h>
+#include <fstream>
+#include <string>
+#include <array>
+
+static std::string base64(const unsigned char *data, size_t length) {
+    std::array<char, 128> output{};
+    sodium_bin2base64(output.data(), output.size(), data, length, sodium_base64_VARIANT_ORIGINAL_NO_PADDING);
+    return output.data();
+}
+
+int main(int argc, char **argv) {
+    if (argc != 2 || sodium_init() < 0) return 1;
+    std::ofstream output(argv[1]);
+    output << "{\"hashes\":[";
+    const std::array<std::string, 3> passwords{"voicecat test", "caf\xc3\xa9", std::string("a\0b", 3)};
+    std::array<unsigned char, 16> salt{};
+    for (size_t i = 0; i < salt.size(); ++i) salt[i] = static_cast<unsigned char>(i);
+    for (size_t i = 0; i < passwords.size(); ++i) {
+        std::array<unsigned char, 32> hash{};
+        if (crypto_pwhash(hash.data(), hash.size(), passwords[i].data(), passwords[i].size(), salt.data(), 2,
+                         64 * 1024 * 1024, crypto_pwhash_ALG_ARGON2ID13) != 0) return 1;
+        if (i) output << ',';
+        output << "{\"passwordBase64\":\"" << base64(reinterpret_cast<const unsigned char *>(passwords[i].data()), passwords[i].size())
+               << "\",\"hash\":\"$argon2id$v=19$m=65536,t=2,p=1$" << base64(salt.data(), salt.size()) << '$' << base64(hash.data(), hash.size()) << "\"}";
+    }
+    output << "]}\n";
+    return output ? 0 : 1;
+}