Use Location access hashes.
GitOrigin-RevId: 1f018d5e42e1c657492f2e1da74700632825c8f9
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@ -3277,7 +3277,7 @@ setStickerPositionInSet sticker:InputFile position:int32 = Ok;
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removeStickerFromSet sticker:InputFile = Ok;
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//@description Returns information about a file with a map thumbnail @location Location of the map center @zoom Map zoom level; 13-20 @width Map width in pixels before applying scale; 16-1024 @height Map height in pixels before applying scale; 16-1024 @scale Map scale; 1-3 @chat_id Identifier of a chat, in which the thumbnail will be shown. Use 0 if unknown
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//@description Returns information about a file with a map thumbnail in PNG format @location Location of the map center @zoom Map zoom level; 13-20 @width Map width in pixels before applying scale; 16-1024 @height Map height in pixels before applying scale; 16-1024 @scale Map scale; 1-3 @chat_id Identifier of a chat, in which the thumbnail will be shown. Use 0 if unknown
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getMapThumbnailFile location:location zoom:int32 width:int32 height:int32 scale:int32 chat_id:int53 = File;
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@ -21,6 +21,8 @@
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#include "td/utils/port/Clocks.h"
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#include "td/utils/tl_helpers.h"
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#include <cmath>
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namespace td {
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Global::Global() = default;
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@ -120,4 +122,37 @@ void Global::set_shared_config(std::unique_ptr<ConfigShared> shared_config) {
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shared_config_ = std::move(shared_config);
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}
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int64 Global::get_location_key(double latitude, double longitude) {
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const double PI = 3.14159265358979323846;
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latitude *= PI / 180;
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longitude *= PI / 180;
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int64 key = 0;
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if (latitude < 0) {
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latitude = -latitude;
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key = 65536;
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}
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double f = std::tan(PI / 4 - latitude / 2);
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key += static_cast<int64>(f * std::cos(longitude) * 128) * 256;
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key += static_cast<int64>(f * std::sin(longitude) * 128);
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return key;
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}
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int64 Global::get_location_access_hash(double latitude, double longitude) {
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auto it = location_access_hashes_.find(get_location_key(latitude, longitude));
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if (it == location_access_hashes_.end()) {
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return 0;
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}
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return it->second;
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}
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void Global::add_location_access_hash(double latitude, double longitude, int64 access_hash) {
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if (access_hash == 0) {
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return;
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}
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location_access_hashes_[get_location_key(latitude, longitude)] = access_hash;
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}
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} // namespace td
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@ -28,6 +28,7 @@
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#include <atomic>
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#include <memory>
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#include <mutex>
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#include <unordered_map>
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namespace td {
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class AnimationsManager;
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@ -301,6 +302,10 @@ class Global : public ActorContext {
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net_stats_file_callbacks_ = std::move(callbacks);
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}
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int64 get_location_access_hash(double latitude, double longitude);
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void add_location_access_hash(double latitude, double longitude, int64 access_hash);
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private:
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std::shared_ptr<DhConfig> dh_config_;
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@ -346,6 +351,10 @@ class Global : public ActorContext {
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int32 my_id_ = 0; // hack
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static int64 get_location_key(double latitude, double longitude);
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std::unordered_map<int64, int64> location_access_hashes_;
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void do_close(Promise<> on_finish, bool destroy_flag);
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};
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@ -6,6 +6,7 @@
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//
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#include "td/telegram/Location.h"
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#include "td/telegram/Global.h"
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#include "td/telegram/secret_api.h"
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#include "td/telegram/td_api.h"
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#include "td/telegram/telegram_api.h"
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@ -23,6 +24,7 @@ void Location::init(double latitude, double longitude, int64 access_hash) {
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latitude_ = latitude;
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longitude_ = longitude;
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access_hash_ = access_hash;
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G()->add_location_access_hash(latitude_, longitude_, access_hash_);
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}
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}
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@ -6,16 +6,17 @@
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//
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#pragma once
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#include "td/utils/common.h"
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#include "td/utils/StringBuilder.h"
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#include "td/utils/tl_helpers.h"
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#include "td/telegram/Global.h"
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#include "td/telegram/SecretInputMedia.h"
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#include "td/telegram/Version.h"
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#include "td/telegram/secret_api.h"
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#include "td/telegram/td_api.h"
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#include "td/telegram/telegram_api.h"
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#include "td/telegram/SecretInputMedia.h"
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#include "td/telegram/Version.h"
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#include "td/utils/common.h"
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#include "td/utils/StringBuilder.h"
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#include "td/utils/tl_helpers.h"
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namespace td {
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@ -98,6 +99,7 @@ class Location {
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parse(longitude_, parser);
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if (has_access_hash) {
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parse(access_hash_, parser);
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G()->add_location_access_hash(latitude_, longitude_, access_hash_);
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}
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}
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};
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@ -152,7 +152,6 @@ class MapDownloadGenerateActor : public FileGenerateActor {
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TRY_RESULT(width, to_integer_safe<int32>(parts[5]));
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TRY_RESULT(height, to_integer_safe<int32>(parts[6]));
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TRY_RESULT(scale, to_integer_safe<int32>(parts[7]));
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int64 access_hash = 0;
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if (zoom < 13 || zoom > 20) {
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return Status::Error("Wrong zoom");
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@ -171,12 +170,13 @@ class MapDownloadGenerateActor : public FileGenerateActor {
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return Status::Error("Wrong scale");
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}
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file_name_ = PSTRING() << "map_" << zoom << "_" << x << "_" << y << ".jpg";
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file_name_ = PSTRING() << "map_" << zoom << "_" << x << "_" << y << ".png";
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const double PI = 3.14159265358979323846;
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double longitude = (x + 0.1) * 360.0 / size - 180;
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double latitude = 90 - 360 * std::atan(std::exp(((y + 0.1) / size - 0.5) * 2 * PI)) / PI;
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int64 access_hash = G()->get_location_access_hash(latitude, longitude);
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return make_tl_object<telegram_api::inputWebFileGeoPointLocation>(
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make_tl_object<telegram_api::inputGeoPoint>(latitude, longitude), access_hash, width, height, zoom, scale);
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}
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