Initial implementation of location sharing

Signed-off-by: zyphlar <zyphlar@gmail.com>

android/sdk/src/main/cpp/CMakeLists.txt

@@ -53,6 +53,7 @@ set(SRC
   app/organicmaps/sdk/editor/OpeningHours.cpp
   app/organicmaps/sdk/editor/OsmOAuth.cpp
   app/organicmaps/sdk/Framework.cpp
+  app/organicmaps/location/LocationSharingJni.cpp
   app/organicmaps/sdk/isolines/IsolinesManager.cpp
   app/organicmaps/sdk/LocationState.cpp
   app/organicmaps/sdk/Map.cpp
@@ -94,6 +95,7 @@ target_include_directories(${PROJECT_NAME} PRIVATE .)
 target_link_libraries(${PROJECT_NAME}
   # CoMaps libs
   map
+  location_sharing
   # ge0
   # tracking
   # routing

android/sdk/src/main/cpp/app/organicmaps/location/LocationSharingJni.cpp

@@ -0,0 +1,76 @@
+#include "app/organicmaps/sdk/core/jni_helper.hpp"
+
+#include "location_sharing/location_sharing_types.hpp"
+#include "location_sharing/crypto_util.hpp"
+
+#include "base/logging.hpp"
+
+#include <jni.h>
+
+using namespace location_sharing;
+
+extern "C"
+{
+
+// Generate session credentials
+JNIEXPORT jobjectArray JNICALL
+Java_app_organicmaps_location_LocationSharingManager_nativeGenerateSessionCredentials(
+    JNIEnv * env, jclass)
+{
+  SessionCredentials creds = SessionCredentials::Generate();
+
+  // Create String array [sessionId, encryptionKey]
+  jobjectArray result = env->NewObjectArray(2, env->FindClass("java/lang/String"), nullptr);
+  if (!result)
+  {
+    LOG(LERROR, ("Failed to create result array"));
+    return nullptr;
+  }
+
+  jstring sessionId = jni::ToJavaString(env, creds.sessionId);
+  jstring encryptionKey = jni::ToJavaString(env, creds.encryptionKey);
+
+  env->SetObjectArrayElement(result, 0, sessionId);
+  env->SetObjectArrayElement(result, 1, encryptionKey);
+
+  env->DeleteLocalRef(sessionId);
+  env->DeleteLocalRef(encryptionKey);
+
+  return result;
+}
+
+// Generate share URL
+JNIEXPORT jstring JNICALL
+Java_app_organicmaps_location_LocationSharingManager_nativeGenerateShareUrl(
+    JNIEnv * env, jclass, jstring jSessionId, jstring jEncryptionKey, jstring jServerBaseUrl)
+{
+  std::string sessionId = jni::ToNativeString(env, jSessionId);
+  std::string encryptionKey = jni::ToNativeString(env, jEncryptionKey);
+  std::string serverBaseUrl = jni::ToNativeString(env, jServerBaseUrl);
+
+  SessionCredentials creds(sessionId, encryptionKey);
+  std::string shareUrl = creds.GenerateShareUrl(serverBaseUrl);
+
+  return jni::ToJavaString(env, shareUrl);
+}
+
+// Encrypt payload
+JNIEXPORT jstring JNICALL
+Java_app_organicmaps_location_LocationSharingManager_nativeEncryptPayload(
+    JNIEnv * env, jclass, jstring jEncryptionKey, jstring jPayloadJson)
+{
+  std::string encryptionKey = jni::ToNativeString(env, jEncryptionKey);
+  std::string payloadJson = jni::ToNativeString(env, jPayloadJson);
+
+  auto encryptedOpt = crypto::EncryptAes256Gcm(encryptionKey, payloadJson);
+  if (!encryptedOpt.has_value())
+  {
+    LOG(LERROR, ("Encryption failed"));
+    return nullptr;
+  }
+
+  std::string resultJson = encryptedOpt->ToJson();
+  return jni::ToJavaString(env, resultJson);
+}
+
+}  // extern "C"