1746 lines
63 KiB
C++
1746 lines
63 KiB
C++
//
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// Copyright Aliaksei Levin (levlam@telegram.org), Arseny Smirnov (arseny30@gmail.com) 2014-2018
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//
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// Distributed under the Boost Software License, Version 1.0. (See accompanying
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// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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//
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#include "td/telegram/MessageEntity.h"
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#include "td/telegram/ContactsManager.h"
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#include "td/telegram/misc.h"
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#include "td/utils/HttpUrl.h"
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#include "td/utils/logging.h"
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#include "td/utils/misc.h"
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#include "td/utils/unicode.h"
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#include "td/utils/utf8.h"
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#include <algorithm>
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#include <cstring>
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#include <tuple>
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#include <unordered_set>
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namespace td {
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StringBuilder &operator<<(StringBuilder &string_builder, const MessageEntity &message_entity) {
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bool has_argument = false;
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string_builder << '[';
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switch (message_entity.type) {
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case MessageEntity::Type::Mention:
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string_builder << "Mention";
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break;
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case MessageEntity::Type::Hashtag:
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string_builder << "Hashtag";
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break;
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case MessageEntity::Type::BotCommand:
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string_builder << "BotCommand";
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break;
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case MessageEntity::Type::Url:
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string_builder << "Url";
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break;
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case MessageEntity::Type::EmailAddress:
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string_builder << "EmailAddress";
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break;
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case MessageEntity::Type::Bold:
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string_builder << "Bold";
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break;
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case MessageEntity::Type::Italic:
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string_builder << "Italic";
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break;
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case MessageEntity::Type::Code:
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string_builder << "Code";
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break;
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case MessageEntity::Type::Pre:
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string_builder << "Pre";
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break;
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case MessageEntity::Type::PreCode:
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string_builder << "PreCode";
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has_argument = true;
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break;
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case MessageEntity::Type::TextUrl:
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string_builder << "TextUrl";
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has_argument = true;
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break;
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case MessageEntity::Type::MentionName:
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string_builder << "MentionName";
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break;
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default:
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UNREACHABLE();
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string_builder << "Impossible";
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break;
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}
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string_builder << ", offset = " << message_entity.offset << ", length = " << message_entity.length;
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if (has_argument) {
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string_builder << ", argument = \"" << message_entity.argument << "\"";
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}
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if (message_entity.user_id.is_valid()) {
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string_builder << ", " << message_entity.user_id;
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}
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string_builder << ']';
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return string_builder;
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}
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tl_object_ptr<td_api::TextEntityType> MessageEntity::get_text_entity_type_object() const {
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switch (type) {
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case MessageEntity::Type::Mention:
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return make_tl_object<td_api::textEntityTypeMention>();
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case MessageEntity::Type::Hashtag:
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return make_tl_object<td_api::textEntityTypeHashtag>();
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case MessageEntity::Type::BotCommand:
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return make_tl_object<td_api::textEntityTypeBotCommand>();
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case MessageEntity::Type::Url:
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return make_tl_object<td_api::textEntityTypeUrl>();
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case MessageEntity::Type::EmailAddress:
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return make_tl_object<td_api::textEntityTypeEmailAddress>();
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case MessageEntity::Type::Bold:
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return make_tl_object<td_api::textEntityTypeBold>();
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case MessageEntity::Type::Italic:
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return make_tl_object<td_api::textEntityTypeItalic>();
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case MessageEntity::Type::Code:
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return make_tl_object<td_api::textEntityTypeCode>();
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case MessageEntity::Type::Pre:
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return make_tl_object<td_api::textEntityTypePre>();
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case MessageEntity::Type::PreCode:
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return make_tl_object<td_api::textEntityTypePreCode>(argument);
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case MessageEntity::Type::TextUrl:
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return make_tl_object<td_api::textEntityTypeTextUrl>(argument);
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case MessageEntity::Type::MentionName:
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return make_tl_object<td_api::textEntityTypeMentionName>(user_id.get());
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default:
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UNREACHABLE();
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return nullptr;
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}
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}
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tl_object_ptr<td_api::textEntity> MessageEntity::get_text_entity_object() const {
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return make_tl_object<td_api::textEntity>(offset, length, get_text_entity_type_object());
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}
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vector<tl_object_ptr<td_api::textEntity>> get_text_entities_object(const vector<MessageEntity> &entities) {
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vector<tl_object_ptr<td_api::textEntity>> result;
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result.reserve(entities.size());
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for (auto &entity : entities) {
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result.push_back(entity.get_text_entity_object());
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}
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return result;
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}
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// 0 means nothing
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static bool is_word_character(uint32 a) {
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switch (get_unicode_simple_category(a)) {
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case UnicodeSimpleCategory::Letter:
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case UnicodeSimpleCategory::DecimalNumber:
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case UnicodeSimpleCategory::Number:
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return true;
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default:
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return a == '_';
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}
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}
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/*
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static bool is_word_boundary(uint32 a, uint32 b) {
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return is_word_character(a) ^ is_word_character(b);
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}
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*/
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static bool is_alpha_digit(uint32 a) {
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return ('0' <= a && a <= '9') || ('a' <= a && a <= 'z') || ('A' <= a && a <= 'Z');
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}
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static bool is_alpha_digit_or_underscore(uint32 a) {
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return is_alpha_digit(a) || a == '_';
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}
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static bool is_alpha_digit_or_underscore_or_minus(uint32 a) {
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return is_alpha_digit_or_underscore(a) || a == '-';
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}
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// This functions just implements corresponding regexps
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// All other fixes will be in other functions
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static vector<Slice> match_mentions(Slice str) {
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vector<Slice> result;
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const unsigned char *begin = str.ubegin();
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const unsigned char *end = str.uend();
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const unsigned char *ptr = begin;
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// '/(?<=\B)@([a-zA-Z0-9_]{2,32})(?=\b)/u'
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while (true) {
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ptr = reinterpret_cast<const unsigned char *>(std::memchr(ptr, '@', narrow_cast<int32>(end - ptr)));
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if (ptr == nullptr) {
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break;
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}
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uint32 prev = 0;
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if (ptr != begin) {
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next_utf8_unsafe(prev_utf8_unsafe(ptr), &prev);
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}
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if (is_word_character(prev)) {
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ptr++;
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continue;
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}
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auto mention_begin = ++ptr;
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while (ptr != end && is_alpha_digit_or_underscore(*ptr)) {
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ptr++;
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}
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auto mention_end = ptr;
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auto mention_size = mention_end - mention_begin;
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if (mention_size < 2 || mention_size > 32) {
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continue;
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}
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uint32 next = 0;
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if (ptr != end) {
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next_utf8_unsafe(ptr, &next);
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}
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if (is_word_character(next)) {
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continue;
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}
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result.emplace_back(mention_begin - 1, mention_end);
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}
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return result;
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}
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static vector<Slice> match_bot_commands(Slice str) {
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vector<Slice> result;
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const unsigned char *begin = str.ubegin();
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const unsigned char *end = str.uend();
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const unsigned char *ptr = begin;
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// '/(?<!\b|[\/<>])\/([a-zA-Z0-9_]{1,64})(?:@([a-zA-Z0-9_]{3,32}))?(?!\B|[\/<>])/u'
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while (true) {
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ptr = reinterpret_cast<const unsigned char *>(std::memchr(ptr, '/', narrow_cast<int32>(end - ptr)));
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if (ptr == nullptr) {
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break;
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}
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uint32 prev = 0;
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if (ptr != begin) {
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next_utf8_unsafe(prev_utf8_unsafe(ptr), &prev);
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}
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if (is_word_character(prev) || prev == '/' || prev == '<' || prev == '>') {
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ptr++;
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continue;
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}
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auto command_begin = ++ptr;
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while (ptr != end && is_alpha_digit_or_underscore(*ptr)) {
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ptr++;
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}
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auto command_end = ptr;
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auto command_size = command_end - command_begin;
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if (command_size < 1 || command_size > 64) {
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continue;
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}
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if (ptr != end && *ptr == '@') {
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auto mention_begin = ++ptr;
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while (ptr != end && is_alpha_digit_or_underscore(*ptr)) {
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ptr++;
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}
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auto mention_end = ptr;
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auto mention_size = mention_end - mention_begin;
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if (mention_size < 3 || mention_size > 32) {
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continue;
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}
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command_end = ptr;
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}
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uint32 next = 0;
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if (ptr != end) {
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next_utf8_unsafe(ptr, &next);
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}
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if (is_word_character(next) || next == '/' || next == '<' || next == '>') {
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continue;
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}
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result.emplace_back(command_begin - 1, command_end);
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}
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return result;
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}
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static vector<Slice> match_hashtags(Slice str) {
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vector<Slice> result;
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const unsigned char *begin = str.ubegin();
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const unsigned char *end = str.uend();
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const unsigned char *ptr = begin;
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// '/(?<=^|[^\d_\pL\x{200c}])#([\d_\pL\x{200c}]{1,256})(?![\d_\pL\x{200c}]*#)/u'
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// and at least one letter
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UnicodeSimpleCategory category;
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const auto &is_hashtag_letter = [&category](uint32 c) {
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category = get_unicode_simple_category(c);
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if (c == '_' || c == 0x200c) {
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return true;
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}
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switch (category) {
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case UnicodeSimpleCategory::DecimalNumber:
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case UnicodeSimpleCategory::Letter:
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return true;
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default:
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return false;
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}
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};
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while (true) {
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ptr = reinterpret_cast<const unsigned char *>(std::memchr(ptr, '#', narrow_cast<int32>(end - ptr)));
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if (ptr == nullptr) {
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break;
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}
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uint32 prev = 0;
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if (ptr != begin) {
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next_utf8_unsafe(prev_utf8_unsafe(ptr), &prev);
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}
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if (is_hashtag_letter(prev)) {
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ptr++;
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continue;
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}
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auto hashtag_begin = ++ptr;
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size_t hashtag_size = 0;
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const unsigned char *hashtag_end = nullptr;
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bool was_letter = false;
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while (ptr != end) {
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uint32 code;
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auto next_ptr = next_utf8_unsafe(ptr, &code);
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if (!is_hashtag_letter(code)) {
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break;
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}
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ptr = next_ptr;
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if (hashtag_size == 255) {
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hashtag_end = ptr;
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}
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if (hashtag_size != 256) {
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was_letter |= category == UnicodeSimpleCategory::Letter;
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hashtag_size++;
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}
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}
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if (!hashtag_end) {
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hashtag_end = ptr;
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}
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if (hashtag_size < 1) {
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continue;
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}
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if (ptr != end && ptr[0] == '#') {
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continue;
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}
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if (!was_letter) {
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continue;
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}
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result.emplace_back(hashtag_begin - 1, hashtag_end);
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}
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return result;
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}
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static vector<Slice> match_urls(Slice str) {
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vector<Slice> result;
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const unsigned char *begin = str.ubegin();
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const unsigned char *end = str.uend();
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const auto &is_protocol_symbol = [](uint32 c) {
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if (c < 0x80) {
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// do not allow dots in the protocol
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return is_alpha_digit(c) || c == '+' || c == '-';
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}
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// add unicode letters and digits to later discard protocol as invalid
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return get_unicode_simple_category(c) != UnicodeSimpleCategory::Separator;
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};
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const auto &is_user_data_symbol = [](uint32 c) {
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switch (c) {
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case '\n':
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case '/':
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case '[':
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case ']':
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case '{':
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case '}':
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case '(':
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case ')':
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case '\'':
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case '`':
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case '<':
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case '>':
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case '"':
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case 0xab: // «
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case 0xbb: // »
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return false;
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default:
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if (0x2000 <= c && c <= 0x206f) { // General Punctuation
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return c == 0x200c || c == 0x200d; // Zero Width Non-Joiner/Joiner
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}
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return get_unicode_simple_category(c) != UnicodeSimpleCategory::Separator;
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}
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};
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const auto &is_domain_symbol = [](uint32 c) {
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if (c < 0xc0) {
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return c == '.' || is_alpha_digit_or_underscore_or_minus(c) || c == '~';
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}
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if (0x2000 <= c && c <= 0x206f) { // General Punctuation
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return c == 0x200c || c == 0x200d; // Zero Width Non-Joiner/Joiner
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}
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return get_unicode_simple_category(c) != UnicodeSimpleCategory::Separator;
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};
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const auto &is_path_symbol = [](uint32 c) {
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switch (c) {
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case '\n':
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case '<':
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case '>':
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case '"':
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case 0xab: // «
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case 0xbb: // »
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return false;
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default:
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if (0x2000 <= c && c <= 0x206f) { // General Punctuation
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return c == 0x200c || c == 0x200d; // Zero Width Non-Joiner/Joiner
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}
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return get_unicode_simple_category(c) != UnicodeSimpleCategory::Separator;
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}
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};
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Slice bad_path_end_chars(".:;,('?!");
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while (true) {
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auto dot_pos = str.find('.');
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if (dot_pos > str.size()) {
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break;
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}
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const unsigned char *last_at_ptr = nullptr;
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const unsigned char *domain_end_ptr = begin + dot_pos;
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while (domain_end_ptr != end) {
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uint32 code = 0;
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auto next_ptr = next_utf8_unsafe(domain_end_ptr, &code);
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if (code == '@') {
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last_at_ptr = domain_end_ptr;
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}
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if (!is_user_data_symbol(code)) {
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break;
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}
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domain_end_ptr = next_ptr;
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}
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domain_end_ptr = last_at_ptr == nullptr ? begin + dot_pos : last_at_ptr + 1;
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while (domain_end_ptr != end) {
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uint32 code = 0;
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auto next_ptr = next_utf8_unsafe(domain_end_ptr, &code);
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if (!is_domain_symbol(code)) {
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break;
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}
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domain_end_ptr = next_ptr;
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}
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const unsigned char *domain_begin_ptr = begin + dot_pos;
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while (domain_begin_ptr != begin) {
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domain_begin_ptr = prev_utf8_unsafe(domain_begin_ptr);
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uint32 code = 0;
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auto next_ptr = next_utf8_unsafe(domain_begin_ptr, &code);
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if (last_at_ptr == nullptr ? !is_domain_symbol(code) : !is_user_data_symbol(code)) {
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domain_begin_ptr = next_ptr;
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break;
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}
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}
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// LOG(ERROR) << "Domain: " << Slice(domain_begin_ptr, domain_end_ptr);
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const unsigned char *url_end_ptr = domain_end_ptr;
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if (url_end_ptr != end && url_end_ptr[0] == ':') {
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auto port_end_ptr = url_end_ptr + 1;
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while (port_end_ptr != end && is_digit(port_end_ptr[0])) {
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port_end_ptr++;
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}
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auto port_begin_ptr = url_end_ptr + 1;
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while (port_begin_ptr != port_end_ptr && *port_begin_ptr == '0') {
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port_begin_ptr++;
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}
|
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if (port_begin_ptr != port_end_ptr && narrow_cast<int>(port_end_ptr - port_begin_ptr) <= 5 &&
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to_integer<uint32>(Slice(port_begin_ptr, port_end_ptr)) <= 65535) {
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url_end_ptr = port_end_ptr;
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}
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}
|
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// LOG(ERROR) << "Domain_port: " << Slice(domain_begin_ptr, url_end_ptr);
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|
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if (url_end_ptr != end && (url_end_ptr[0] == '/' || url_end_ptr[0] == '?' || url_end_ptr[0] == '#')) {
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auto path_end_ptr = url_end_ptr + 1;
|
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while (path_end_ptr != end) {
|
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uint32 code = 0;
|
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auto next_ptr = next_utf8_unsafe(path_end_ptr, &code);
|
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if (!is_path_symbol(code)) {
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break;
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}
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path_end_ptr = next_ptr;
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}
|
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while (bad_path_end_chars.find(path_end_ptr[-1]) < bad_path_end_chars.size()) {
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path_end_ptr--;
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}
|
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if (url_end_ptr[0] == '/' || url_end_ptr[0] == '#' || path_end_ptr > url_end_ptr + 1) {
|
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url_end_ptr = path_end_ptr;
|
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}
|
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}
|
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while (url_end_ptr > begin + dot_pos + 1 && url_end_ptr[-1] == '.') {
|
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url_end_ptr--;
|
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}
|
||
// LOG(ERROR) << "Domain_port_path: " << Slice(domain_begin_ptr, url_end_ptr);
|
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|
||
bool is_bad = false;
|
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const unsigned char *url_begin_ptr = domain_begin_ptr;
|
||
if (url_begin_ptr != begin && url_begin_ptr[-1] == '@') {
|
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auto user_data_begin_ptr = url_begin_ptr - 1;
|
||
while (user_data_begin_ptr != begin) {
|
||
user_data_begin_ptr = prev_utf8_unsafe(user_data_begin_ptr);
|
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uint32 code = 0;
|
||
auto next_ptr = next_utf8_unsafe(user_data_begin_ptr, &code);
|
||
if (!is_user_data_symbol(code)) {
|
||
user_data_begin_ptr = next_ptr;
|
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break;
|
||
}
|
||
}
|
||
if (user_data_begin_ptr == url_begin_ptr - 1) {
|
||
is_bad = true;
|
||
}
|
||
url_begin_ptr = user_data_begin_ptr;
|
||
}
|
||
// LOG(ERROR) << "User_data_port_path: " << Slice(url_begin_ptr, url_end_ptr);
|
||
|
||
if (url_begin_ptr != begin) {
|
||
Slice prefix(begin, url_begin_ptr);
|
||
if (prefix.size() >= 6 && ends_with(prefix, "://")) {
|
||
auto protocol_begin_ptr = url_begin_ptr - 3;
|
||
while (protocol_begin_ptr != begin) {
|
||
protocol_begin_ptr = prev_utf8_unsafe(protocol_begin_ptr);
|
||
uint32 code = 0;
|
||
auto next_ptr = next_utf8_unsafe(protocol_begin_ptr, &code);
|
||
if (!is_protocol_symbol(code)) {
|
||
protocol_begin_ptr = next_ptr;
|
||
break;
|
||
}
|
||
}
|
||
auto protocol = to_lower(Slice(protocol_begin_ptr, url_begin_ptr - 3));
|
||
if (ends_with(protocol, "http") && protocol != "shttp") {
|
||
url_begin_ptr = url_begin_ptr - 7;
|
||
} else if (ends_with(protocol, "https")) {
|
||
url_begin_ptr = url_begin_ptr - 8;
|
||
} else if (ends_with(protocol, "sftp")) {
|
||
url_begin_ptr = url_begin_ptr - 7;
|
||
} else if (ends_with(protocol, "ftp") && protocol != "tftp") {
|
||
url_begin_ptr = url_begin_ptr - 6;
|
||
} else {
|
||
is_bad = true;
|
||
}
|
||
} else {
|
||
auto prefix_end = prefix.uend();
|
||
auto prefix_back = prev_utf8_unsafe(prefix_end);
|
||
uint32 code = 0;
|
||
next_utf8_unsafe(prefix_back, &code);
|
||
if (is_word_character(code) || code == '/' || code == '#' || code == '@') {
|
||
is_bad = true;
|
||
}
|
||
}
|
||
}
|
||
// LOG(ERROR) << "full: " << Slice(url_begin_ptr, url_end_ptr) << " " << is_bad;
|
||
|
||
if (!is_bad) {
|
||
if (url_end_ptr > begin + dot_pos + 1) {
|
||
result.emplace_back(url_begin_ptr, url_end_ptr);
|
||
}
|
||
while (url_end_ptr != end && url_end_ptr[0] == '.') {
|
||
url_end_ptr++;
|
||
}
|
||
} else {
|
||
while (url_end_ptr[-1] != '.') {
|
||
url_end_ptr--;
|
||
}
|
||
}
|
||
|
||
if (url_end_ptr <= begin + dot_pos) {
|
||
url_end_ptr = begin + dot_pos + 1;
|
||
}
|
||
str = str.substr(url_end_ptr - begin);
|
||
begin = url_end_ptr;
|
||
}
|
||
|
||
return result;
|
||
}
|
||
|
||
bool is_email_address(Slice str) {
|
||
// /^([a-z0-9_-]{0,26}[.+]){0,10}[a-z0-9_-]{1,35}@(([a-z0-9][a-z0-9_-]{0,28})?[a-z0-9][.]){1,6}[a-z]{2,6}$/i
|
||
Slice userdata;
|
||
Slice domain;
|
||
std::tie(userdata, domain) = split(str, '@');
|
||
vector<Slice> userdata_parts;
|
||
size_t prev = 0;
|
||
for (size_t i = 0; i < userdata.size(); i++) {
|
||
if (userdata[i] == '.' || userdata[i] == '+') {
|
||
userdata_parts.push_back(userdata.substr(prev, i - prev));
|
||
prev = i + 1;
|
||
}
|
||
}
|
||
userdata_parts.push_back(userdata.substr(prev));
|
||
if (userdata_parts.size() >= 12) {
|
||
return false;
|
||
}
|
||
for (auto &part : userdata_parts) {
|
||
for (auto c : part) {
|
||
if (!is_alpha_digit_or_underscore_or_minus(c)) {
|
||
return false;
|
||
}
|
||
}
|
||
}
|
||
if (userdata_parts.back().empty() || userdata_parts.back().size() >= 36) {
|
||
return false;
|
||
}
|
||
userdata_parts.pop_back();
|
||
for (auto &part : userdata_parts) {
|
||
if (part.size() >= 27) {
|
||
return false;
|
||
}
|
||
}
|
||
|
||
vector<Slice> domain_parts = full_split(domain, '.');
|
||
if (domain_parts.size() <= 1 || domain_parts.size() > 7) {
|
||
return false;
|
||
}
|
||
if (domain_parts.back().size() <= 1 || domain_parts.back().size() >= 7) {
|
||
return false;
|
||
}
|
||
for (auto c : domain_parts.back()) {
|
||
if (!is_alpha(c)) {
|
||
return false;
|
||
}
|
||
}
|
||
domain_parts.pop_back();
|
||
for (auto &part : domain_parts) {
|
||
if (part.empty() || part.size() >= 31) {
|
||
return false;
|
||
}
|
||
for (auto c : part) {
|
||
if (!is_alpha_digit_or_underscore_or_minus(c)) {
|
||
return false;
|
||
}
|
||
}
|
||
if (!is_alpha_digit(part[0])) {
|
||
return false;
|
||
}
|
||
if (!is_alpha_digit(part.back())) {
|
||
return false;
|
||
}
|
||
}
|
||
|
||
return true;
|
||
}
|
||
|
||
static bool is_common_tld(Slice str) {
|
||
static const std::unordered_set<Slice, SliceHash> tlds(
|
||
{"abb", "abbott", "abogado", "academy", "accenture", "accountant", "accountants", "aco", "active", "actor", "ads",
|
||
"adult", "aeg", "aero", "afl", "agency", "aig", "airforce", "airtel", "allfinanz", "alsace", "amsterdam",
|
||
"android", "apartments", "app", "aquarelle", "archi", "army", "arpa", "asia", "associates", "attorney",
|
||
"auction", "audio", "auto", "autos", "axa", "azure", "band", "bank", "bar", "barcelona", "barclaycard",
|
||
"barclays", "bargains", "bauhaus", "bayern", "bbc", "bbva", "bcn", "beer", "bentley", "berlin", "best", "bet",
|
||
"bharti", "bible", "bid", "bike", "bing", "bingo", "bio", "biz", "black", "blackfriday", "blog", "bloomberg",
|
||
"blue", "bmw", "bnl", "bnpparibas", "boats", "bond", "boo", "boots", "boutique", "bradesco", "bridgestone",
|
||
"broker", "brother", "brussels", "budapest", "build", "builders", "business", "buzz", "bzh", "cab", "cafe",
|
||
"cal", "camera", "camp", "cancerresearch", "canon", "capetown", "capital", "caravan", "cards", "care", "career",
|
||
"careers", "cars", "cartier", "casa", "cash", "casino", "cat", "catering", "cba", "cbn", "ceb", "center", "ceo",
|
||
"cern", "cfa", "cfd", "chanel", "channel", "chat", "cheap", "chloe", "christmas", "chrome", "church", "cisco",
|
||
"citic", "city", "claims", "cleaning", "click", "clinic", "clothing", "cloud", "club", "coach", "codes",
|
||
"coffee", "college", "cologne", "com", "commbank", "community", "company", "computer", "condos", "construction",
|
||
"consulting", "contractors", "cooking", "cool", "coop", "corsica", "country", "coupons", "courses", "credit",
|
||
"creditcard", "cricket", "crown", "crs", "cruises", "cuisinella", "cymru", "cyou", "dabur", "dad", "dance",
|
||
"date", "dating", "datsun", "day", "dclk", "deals", "degree", "delivery", "delta", "democrat", "dental",
|
||
"dentist", "desi", "design", "dev", "diamonds", "diet", "digital", "direct", "directory", "discount", "dnp",
|
||
"docs", "dog", "doha", "domains", "doosan", "download", "drive", "durban", "dvag", "earth", "eat", "edu",
|
||
"education", "email", "emerck", "energy", "engineer", "engineering", "enterprises", "epson", "equipment", "erni",
|
||
"esq", "estate", "eurovision", "eus", "events", "everbank", "exchange", "expert", "exposed", "express", "fage",
|
||
"fail", "faith", "family", "fan", "fans", "farm", "fashion", "feedback", "film", "finance", "financial",
|
||
"firmdale", "fish", "fishing", "fit", "fitness", "flights", "florist", "flowers", "flsmidth", "fly", "foo",
|
||
"football", "forex", "forsale", "forum", "foundation", "frl", "frogans", "fund", "furniture", "futbol", "fyi",
|
||
"gal", "gallery", "game", "garden", "gbiz", "gdn", "gent", "genting", "ggee", "gift", "gifts", "gives", "giving",
|
||
"glass", "gle", "global", "globo", "gmail", "gmo", "gmx", "gold", "goldpoint", "golf", "goo", "goog", "google",
|
||
"gop", "gov", "graphics", "gratis", "green", "gripe", "group", "guge", "guide", "guitars", "guru", "hamburg",
|
||
"hangout", "haus", "healthcare", "help", "here", "hermes", "hiphop", "hitachi", "hiv", "hockey", "holdings",
|
||
"holiday", "homedepot", "homes", "honda", "horse", "host", "hosting", "hoteles", "hotmail", "house", "how",
|
||
"hsbc", "ibm", "icbc", "ice", "icu", "ifm", "iinet", "immo", "immobilien", "industries", "infiniti", "info",
|
||
"ing", "ink", "institute", "insure", "int", "international", "investments", "ipiranga", "irish", "ist",
|
||
"istanbul", "itau", "iwc", "java", "jcb", "jetzt", "jewelry", "jlc", "jll", "jobs", "joburg", "jprs", "juegos",
|
||
"kaufen", "kddi", "kim", "kitchen", "kiwi", "koeln", "komatsu", "krd", "kred", "kyoto", "lacaixa", "lancaster",
|
||
"land", "lasalle", "lat", "latrobe", "law", "lawyer", "lds", "lease", "leclerc", "legal", "lexus", "lgbt",
|
||
"liaison", "lidl", "life", "lighting", "limited", "limo", "link", "live", "lixil", "loan", "loans", "lol",
|
||
"london", "lotte", "lotto", "love", "ltda", "lupin", "luxe", "luxury", "madrid", "maif", "maison", "man",
|
||
"management", "mango", "market", "marketing", "markets", "marriott", "mba", "media", "meet", "melbourne", "meme",
|
||
"memorial", "men", "menu", "miami", "microsoft", "mil", "mini", "mma", "mobi", "moda", "moe", "mom", "monash",
|
||
"money", "montblanc", "mormon", "mortgage", "moscow", "motorcycles", "mov", "movie", "movistar", "mtn", "mtpc",
|
||
"museum", "nadex", "nagoya", "name", "navy", "nec", "net", "netbank", "network", "neustar", "new", "news",
|
||
"nexus", "ngo", "nhk", "nico", "ninja", "nissan", "nokia", "nra", "nrw", "ntt", "nyc", "office", "okinawa",
|
||
"omega", "one", "ong", "onl", "online", "ooo", "oracle", "orange", "org", "organic", "osaka", "otsuka", "ovh",
|
||
"page", "panerai", "paris", "partners", "parts", "party", "pet", "pharmacy", "philips", "photo", "photography",
|
||
"photos", "physio", "piaget", "pics", "pictet", "pictures", "pink", "pizza", "place", "play", "plumbing", "plus",
|
||
"pohl", "poker", "porn", "post", "praxi", "press", "pro", "prod", "productions", "prof", "properties",
|
||
"property", "pub", "qpon", "quebec", "racing", "realtor", "realty", "recipes", "red", "redstone", "rehab",
|
||
"reise", "reisen", "reit", "ren", "rent", "rentals", "repair", "report", "republican", "rest", "restaurant",
|
||
"review", "reviews", "rich", "ricoh", "rio", "rip", "rocks", "rodeo", "rsvp", "ruhr", "run", "ryukyu",
|
||
"saarland", "sakura", "sale", "samsung", "sandvik", "sandvikcoromant", "sanofi", "sap", "sarl", "saxo", "sca",
|
||
"scb", "schmidt", "scholarships", "school", "schule", "schwarz", "science", "scor", "scot", "seat", "seek",
|
||
"sener", "services", "sew", "sex", "sexy", "shiksha", "shoes", "show", "shriram", "singles", "site", "ski",
|
||
"sky", "skype", "sncf", "soccer", "social", "software", "sohu", "solar", "solutions", "sony", "soy", "space",
|
||
"spiegel", "spreadbetting", "srl", "starhub", "statoil", "studio", "study", "style", "sucks", "supplies",
|
||
"supply", "support", "surf", "surgery", "suzuki", "swatch", "swiss", "sydney", "systems", "taipei", "tatamotors",
|
||
"tatar", "tattoo", "tax", "taxi", "team", "tech", "technology", "tel", "telefonica", "temasek", "tennis", "thd",
|
||
"theater", "tickets", "tienda", "tips", "tires", "tirol", "today", "tokyo", "tools", "top", "toray", "toshiba",
|
||
"tours", "town", "toyota", "toys", "trade", "trading", "training", "travel", "trust", "tui", "ubs", "university",
|
||
"uno", "uol", "vacations", "vegas", "ventures", "vermögensberater", "vermögensberatung", "versicherung", "vet",
|
||
"viajes", "video", "villas", "vin", "vision", "vista", "vistaprint", "vlaanderen", "vodka", "vote", "voting",
|
||
"voto", "voyage", "wales", "walter", "wang", "watch", "webcam", "website", "wed", "wedding", "weir", "whoswho",
|
||
"wien", "wiki", "williamhill", "win", "windows", "wine", "wme", "work", "works", "world", "wtc", "wtf", "xbox",
|
||
"xerox", "xin", "xperia", "xxx", "xyz", "yachts", "yandex", "yodobashi", "yoga", "yokohama", "youtube", "zip",
|
||
"zone", "zuerich", "дети", "ком", "москва", "онлайн", "орг", "рус", "сайт", "קום", "بازار", "شبكة", "كوم",
|
||
"موقع", "कॉम", "नेट", "संगठन", "คอม", "みんな", "グーグル", "コム", "世界", "中信", "中文网", "企业", "佛山",
|
||
"信息", "健康", "八卦", "公司", "公益", "商城", "商店", "商标", "在线", "大拿", "娱乐", "工行", "广东", "慈善",
|
||
"我爱你", "手机", "政务", "政府", "新闻", "时尚", "机构", "淡马锡", "游戏", "点看", "移动", "组织机构", "网址",
|
||
"网店", "网络", "谷歌", "集团", "飞利浦", "餐厅", "닷넷", "닷컴", "삼성", "onion", "ac", "ad", "ae", "af", "ag",
|
||
"ai", "al", "am", "an", "ao", "aq", "ar", "as", "at", "au", "aw", "ax", "az", "ba", "bb", "bd", "be", "bf", "bg",
|
||
"bh", "bi", "bj", "bl", "bm", "bn", "bo", "bq", "br", "bs", "bt", "bv", "bw", "by", "bz", "ca", "cc", "cd", "cf",
|
||
"cg", "ch", "ci", "ck", "cl", "cm", "cn", "co", "cr", "cu", "cv", "cw", "cx", "cy", "cz", "de", "dj", "dk", "dm",
|
||
"do", "dz", "ec", "ee", "eg", "eh", "er", "es", "et", "eu", "fi", "fj", "fk", "fm", "fo", "fr", "ga", "gb", "gd",
|
||
"ge", "gf", "gg", "gh", "gi", "gl", "gm", "gn", "gp", "gq", "gr", "gs", "gt", "gu", "gw", "gy", "hk", "hm", "hn",
|
||
"hr", "ht", "hu", "id", "ie", "il", "im", "in", "io", "iq", "ir", "is", "it", "je", "jm", "jo", "jp", "ke", "kg",
|
||
"kh", "ki", "km", "kn", "kp", "kr", "kw", "ky", "kz", "la", "lb", "lc", "li", "lk", "lr", "ls", "lt", "lu", "lv",
|
||
"ly", "ma", "mc", "md", "me", "mf", "mg", "mh", "mk", "ml", "mm", "mn", "mo", "mp", "mq", "mr", "ms", "mt", "mu",
|
||
"mv", "mw", "mx", "my", "mz", "na", "nc", "ne", "nf", "ng", "ni", "nl", "no", "np", "nr", "nu", "nz", "om", "pa",
|
||
"pe", "pf", "pg", "ph", "pk", "pl", "pm", "pn", "pr", "ps", "pt", "pw", "py", "qa", "re", "ro", "rs", "ru", "rw",
|
||
"sa", "sb", "sc", "sd", "se", "sg", "sh", "si", "sj", "sk", "sl", "sm", "sn", "so", "sr", "ss", "st", "su", "sv",
|
||
"sx", "sy", "sz", "tc", "td", "tf", "tg", "th", "tj", "tk", "tl", "tm", "tn", "to", "tp", "tr", "tt", "tv", "tw",
|
||
"tz", "ua", "ug", "uk", "um", "us", "uy", "uz", "va", "vc", "ve", "vg", "vi", "vn", "vu", "wf", "ws", "ye", "yt",
|
||
"za", "zm", "zw", "ελ", "бел", "мкд", "мон", "рф", "срб", "укр", "қаз", "հայ", "الاردن", "الجزائر", "السعودية",
|
||
"المغرب", "امارات", "ایران", "بھارت", "تونس", "سودان", "سورية", "عراق", "عمان", "فلسطين", "قطر", "مصر", "مليسيا",
|
||
"پاکستان", "भारत", "বাংলা", "ভারত", "ਭਾਰਤ", "ભારત", "இந்தியா", "இலங்கை", "சிங்கப்பூர்", "భారత్", "ලංකා", "ไทย", "გე",
|
||
"中国", "中國", "台湾", "台灣", "新加坡", "澳門", "香港",
|
||
// comment for clang-format to prevent him from placing all strings on separate lines
|
||
"한국"});
|
||
string str_lower = utf8_to_lower(str);
|
||
if (str_lower != str && utf8_substr(Slice(str_lower), 1) == utf8_substr(str, 1)) {
|
||
return false;
|
||
}
|
||
return tlds.count(str_lower) > 0;
|
||
}
|
||
|
||
Slice fix_url(Slice str) {
|
||
auto full_url = str;
|
||
|
||
bool has_protocol = false;
|
||
auto str_begin = to_lower(str.substr(0, 8));
|
||
if (begins_with(str_begin, "http://") || begins_with(str_begin, "https://") || begins_with(str_begin, "sftp://") ||
|
||
begins_with(str_begin, "ftp://")) {
|
||
auto pos = str.find(':');
|
||
str = str.substr(pos + 3);
|
||
has_protocol = true;
|
||
}
|
||
auto domain_end = std::min({str.size(), str.find('/'), str.find('?'), str.find('#')}); // TODO server: str.find('#')
|
||
auto domain = str.substr(0, domain_end);
|
||
auto path = str.substr(domain_end);
|
||
|
||
auto at_pos = domain.find('@');
|
||
if (at_pos < domain.size()) {
|
||
domain.remove_prefix(at_pos + 1);
|
||
}
|
||
domain.truncate(domain.rfind(':'));
|
||
|
||
string domain_lower = domain.str();
|
||
to_lower_inplace(domain_lower);
|
||
if (domain_lower == "teiegram.org") {
|
||
return Slice();
|
||
}
|
||
|
||
int32 balance[3] = {0, 0, 0};
|
||
size_t path_pos;
|
||
for (path_pos = 0; path_pos < path.size(); path_pos++) {
|
||
switch (path[path_pos]) {
|
||
case '(':
|
||
balance[0]++;
|
||
break;
|
||
case '[':
|
||
balance[1]++;
|
||
break;
|
||
case '{':
|
||
balance[2]++;
|
||
break;
|
||
case ')':
|
||
balance[0]--;
|
||
break;
|
||
case ']':
|
||
balance[1]--;
|
||
break;
|
||
case '}':
|
||
balance[2]--;
|
||
break;
|
||
}
|
||
if (balance[0] < 0 || balance[1] < 0 || balance[2] < 0) {
|
||
break;
|
||
}
|
||
}
|
||
Slice bad_path_end_chars(".:;,('?!");
|
||
while (path_pos > 0 && bad_path_end_chars.find(path[path_pos - 1]) < bad_path_end_chars.size()) {
|
||
path_pos--;
|
||
}
|
||
full_url.remove_suffix(path.size() - path_pos);
|
||
|
||
vector<Slice> domain_parts = full_split(domain, '.');
|
||
if (domain_parts.size() <= 1) {
|
||
return Slice();
|
||
}
|
||
|
||
bool is_ipv4 = domain_parts.size() == 4;
|
||
bool has_non_digit = false;
|
||
for (auto &part : domain_parts) {
|
||
if (part.empty() || part.size() >= 64) {
|
||
return Slice();
|
||
}
|
||
if (part.back() == '-') {
|
||
return Slice();
|
||
}
|
||
|
||
if (!has_non_digit) {
|
||
if (part.size() > 3) {
|
||
is_ipv4 = false;
|
||
}
|
||
for (auto c : part) {
|
||
if (!is_digit(c)) {
|
||
is_ipv4 = false;
|
||
has_non_digit = true;
|
||
}
|
||
}
|
||
if (part.size() == 3 &&
|
||
(part[0] >= '3' || (part[0] == '2' && (part[1] >= '6' || (part[1] == '5' && part[2] >= '6'))))) {
|
||
is_ipv4 = false;
|
||
}
|
||
if (part[0] == '0' && part.size() >= 2) {
|
||
is_ipv4 = false;
|
||
}
|
||
}
|
||
}
|
||
|
||
if (is_ipv4) {
|
||
return full_url;
|
||
}
|
||
|
||
if (!has_non_digit) {
|
||
return Slice();
|
||
}
|
||
|
||
auto tld = domain_parts.back();
|
||
if (utf8_length(tld) <= 1) {
|
||
return Slice();
|
||
}
|
||
|
||
if (begins_with(tld, "xn--")) {
|
||
if (tld.size() <= 5) {
|
||
return Slice();
|
||
}
|
||
for (auto c : tld.substr(4)) {
|
||
if (!is_alpha_digit(c)) {
|
||
return Slice();
|
||
}
|
||
}
|
||
} else {
|
||
if (tld.find('_') < tld.size()) {
|
||
return Slice();
|
||
}
|
||
if (tld.find('-') < tld.size()) {
|
||
return Slice();
|
||
}
|
||
|
||
if (!has_protocol && !is_common_tld(tld)) {
|
||
return Slice();
|
||
}
|
||
}
|
||
|
||
domain_parts.pop_back();
|
||
if (domain_parts.back().find('_') < domain_parts.back().size()) {
|
||
return Slice();
|
||
}
|
||
|
||
return full_url;
|
||
}
|
||
|
||
const std::unordered_set<Slice, SliceHash> &get_valid_short_usernames() {
|
||
static const std::unordered_set<Slice, SliceHash> valid_usernames{
|
||
"ya", "gif", "wiki", "vid", "bing", "pic", "bold", "imdb", "coub", "like", "vote", "giff", "cap"};
|
||
return valid_usernames;
|
||
}
|
||
|
||
vector<Slice> find_mentions(Slice str) {
|
||
auto mentions = match_mentions(str);
|
||
mentions.erase(std::remove_if(mentions.begin(), mentions.end(),
|
||
[](Slice mention) {
|
||
mention.remove_prefix(1);
|
||
if (mention.size() >= 5) {
|
||
return false;
|
||
}
|
||
return get_valid_short_usernames().count(mention) == 0;
|
||
}),
|
||
mentions.end());
|
||
return mentions;
|
||
}
|
||
|
||
vector<Slice> find_bot_commands(Slice str) {
|
||
return match_bot_commands(str);
|
||
}
|
||
|
||
vector<Slice> find_hashtags(Slice str) {
|
||
return match_hashtags(str);
|
||
}
|
||
|
||
vector<std::pair<Slice, bool>> find_urls(Slice str) {
|
||
vector<std::pair<Slice, bool>> result;
|
||
for (auto url : match_urls(str)) {
|
||
if (is_email_address(url)) {
|
||
result.emplace_back(url, true);
|
||
} else {
|
||
url = fix_url(url);
|
||
if (!url.empty()) {
|
||
result.emplace_back(url, false);
|
||
}
|
||
}
|
||
}
|
||
return result;
|
||
}
|
||
|
||
void fix_entities(vector<MessageEntity> &entities) {
|
||
if (entities.empty()) {
|
||
return;
|
||
}
|
||
|
||
std::sort(entities.begin(), entities.end());
|
||
|
||
int32 last_entity_end = 0;
|
||
size_t left_entities = 0;
|
||
for (size_t i = 0; i < entities.size(); i++) {
|
||
if (entities[i].length > 0 && entities[i].offset >= last_entity_end) {
|
||
last_entity_end = entities[i].offset + entities[i].length;
|
||
if (i != left_entities) {
|
||
entities[left_entities] = std::move(entities[i]);
|
||
}
|
||
left_entities++;
|
||
}
|
||
}
|
||
entities.erase(entities.begin() + left_entities, entities.end());
|
||
}
|
||
|
||
vector<MessageEntity> find_entities(Slice text, bool skip_bot_commands, bool only_urls) {
|
||
vector<MessageEntity> entities;
|
||
|
||
if (!only_urls) {
|
||
auto mentions = find_mentions(text);
|
||
for (auto &mention : mentions) {
|
||
entities.emplace_back(MessageEntity::Type::Mention, narrow_cast<int32>(mention.begin() - text.begin()),
|
||
narrow_cast<int32>(mention.size()));
|
||
}
|
||
}
|
||
|
||
if (!skip_bot_commands && !only_urls) {
|
||
auto bot_commands = find_bot_commands(text);
|
||
for (auto &bot_command : bot_commands) {
|
||
entities.emplace_back(MessageEntity::Type::BotCommand, narrow_cast<int32>(bot_command.begin() - text.begin()),
|
||
narrow_cast<int32>(bot_command.size()));
|
||
}
|
||
}
|
||
|
||
if (!only_urls) {
|
||
auto hashtags = find_hashtags(text);
|
||
for (auto &hashtag : hashtags) {
|
||
entities.emplace_back(MessageEntity::Type::Hashtag, narrow_cast<int32>(hashtag.begin() - text.begin()),
|
||
narrow_cast<int32>(hashtag.size()));
|
||
}
|
||
}
|
||
|
||
auto urls = find_urls(text);
|
||
for (auto &url : urls) {
|
||
// TODO better find messageEntityUrl
|
||
auto type = url.second ? MessageEntity::Type::EmailAddress : MessageEntity::Type::Url;
|
||
if (only_urls && type != MessageEntity::Type::Url) {
|
||
continue;
|
||
}
|
||
auto offset = narrow_cast<int32>(url.first.begin() - text.begin());
|
||
auto length = narrow_cast<int32>(url.first.size());
|
||
entities.emplace_back(type, offset, length);
|
||
}
|
||
|
||
if (entities.empty()) {
|
||
return entities;
|
||
}
|
||
|
||
fix_entities(entities);
|
||
|
||
// fix offsets to utf16 offsets
|
||
const unsigned char *begin = text.ubegin();
|
||
const unsigned char *ptr = begin;
|
||
const unsigned char *end = text.uend();
|
||
|
||
int32 utf16_pos = 0;
|
||
for (auto &entity : entities) {
|
||
int cnt = 2;
|
||
auto entity_begin = entity.offset;
|
||
auto entity_end = entity.offset + entity.length;
|
||
|
||
int32 pos = static_cast<int32>(ptr - begin);
|
||
if (entity_begin == pos) {
|
||
cnt--;
|
||
entity.offset = utf16_pos;
|
||
}
|
||
|
||
while (ptr != end && cnt > 0) {
|
||
unsigned char c = ptr[0];
|
||
utf16_pos += 1 + (c >= 0xf0);
|
||
ptr = next_utf8_unsafe(ptr, nullptr);
|
||
|
||
pos = static_cast<int32>(ptr - begin);
|
||
if (entity_begin == pos) {
|
||
cnt--;
|
||
entity.offset = utf16_pos;
|
||
} else if (entity_end == pos) {
|
||
cnt--;
|
||
entity.length = utf16_pos - entity.offset;
|
||
}
|
||
}
|
||
CHECK(cnt == 0);
|
||
}
|
||
|
||
return entities;
|
||
}
|
||
|
||
vector<MessageEntity> merge_entities(vector<MessageEntity> old_entities, vector<MessageEntity> new_entities) {
|
||
if (new_entities.empty()) {
|
||
return old_entities;
|
||
}
|
||
if (old_entities.empty()) {
|
||
return new_entities;
|
||
}
|
||
|
||
vector<MessageEntity> result;
|
||
result.reserve(old_entities.size() + new_entities.size());
|
||
|
||
auto new_it = new_entities.begin();
|
||
auto new_end = new_entities.end();
|
||
for (auto &old_entity : old_entities) {
|
||
while (new_it != new_end && new_it->offset + new_it->length <= old_entity.offset) {
|
||
result.push_back(std::move(*new_it));
|
||
new_it++;
|
||
}
|
||
auto old_entity_end = old_entity.offset + old_entity.length;
|
||
result.push_back(std::move(old_entity));
|
||
while (new_it != new_end && new_it->offset < old_entity_end) {
|
||
new_it++;
|
||
}
|
||
}
|
||
while (new_it != new_end) {
|
||
result.push_back(std::move(*new_it));
|
||
new_it++;
|
||
}
|
||
|
||
return result;
|
||
}
|
||
|
||
string get_first_url(Slice text, const vector<MessageEntity> &entities) {
|
||
for (auto &entity : entities) {
|
||
switch (entity.type) {
|
||
case MessageEntity::Type::Mention:
|
||
break;
|
||
case MessageEntity::Type::Hashtag:
|
||
break;
|
||
case MessageEntity::Type::BotCommand:
|
||
break;
|
||
case MessageEntity::Type::Url:
|
||
return utf8_utf16_substr(text, entity.offset, entity.length).str();
|
||
case MessageEntity::Type::EmailAddress:
|
||
break;
|
||
case MessageEntity::Type::Bold:
|
||
break;
|
||
case MessageEntity::Type::Italic:
|
||
break;
|
||
case MessageEntity::Type::Code:
|
||
break;
|
||
case MessageEntity::Type::Pre:
|
||
break;
|
||
case MessageEntity::Type::PreCode:
|
||
break;
|
||
case MessageEntity::Type::TextUrl:
|
||
return entity.argument;
|
||
case MessageEntity::Type::MentionName:
|
||
break;
|
||
default:
|
||
UNREACHABLE();
|
||
}
|
||
}
|
||
|
||
return string();
|
||
}
|
||
|
||
static UserId get_link_user_id(Slice url) {
|
||
auto lower_cased_url = to_lower(url);
|
||
url = lower_cased_url;
|
||
|
||
Slice link_scheme("tg:");
|
||
if (!begins_with(url, link_scheme)) {
|
||
return UserId();
|
||
}
|
||
url.remove_prefix(link_scheme.size());
|
||
if (begins_with(url, "//")) {
|
||
url.remove_prefix(2);
|
||
}
|
||
|
||
Slice host("user");
|
||
if (!begins_with(url, host)) {
|
||
return UserId();
|
||
}
|
||
url.remove_prefix(host.size());
|
||
if (begins_with(url, "/")) {
|
||
url.remove_prefix(1);
|
||
}
|
||
if (!begins_with(url, "?")) {
|
||
return UserId();
|
||
}
|
||
url.remove_prefix(1);
|
||
url.truncate(url.find('#'));
|
||
|
||
for (auto parameter : full_split(url, '&')) {
|
||
Slice key;
|
||
Slice value;
|
||
std::tie(key, value) = split(parameter, '=');
|
||
if (key == Slice("id")) {
|
||
return UserId(to_integer<int32>(value));
|
||
}
|
||
}
|
||
return UserId();
|
||
}
|
||
|
||
Result<vector<MessageEntity>> parse_markdown(string &text) {
|
||
string result;
|
||
vector<MessageEntity> entities;
|
||
size_t size = text.size();
|
||
int32 utf16_offset = 0;
|
||
for (size_t i = 0; i < size; i++) {
|
||
auto c = static_cast<unsigned char>(text[i]);
|
||
if (c == '\\' && (text[i + 1] == '_' || text[i + 1] == '*' || text[i + 1] == '`' || text[i + 1] == '[')) {
|
||
i++;
|
||
result.push_back(text[i]);
|
||
utf16_offset++;
|
||
continue;
|
||
}
|
||
if (c != '_' && c != '*' && c != '`' && c != '[') {
|
||
if (is_utf8_character_first_code_unit(c)) {
|
||
utf16_offset += 1 + (c >= 0xf0); // >= 4 bytes in symbol => surrogaite pair
|
||
}
|
||
result.push_back(text[i]);
|
||
continue;
|
||
}
|
||
|
||
// we are at begin of the entity
|
||
size_t begin_pos = i;
|
||
char end_character = text[i];
|
||
bool is_pre = false;
|
||
if (c == '[') {
|
||
end_character = ']';
|
||
}
|
||
|
||
i++;
|
||
|
||
string language;
|
||
if (c == '`' && text[i] == '`' && text[i + 1] == '`') {
|
||
i += 2;
|
||
is_pre = true;
|
||
size_t language_end = i;
|
||
while (language_end < size && !is_space(text[language_end]) && text[language_end] != '`') {
|
||
language_end++;
|
||
}
|
||
if (i != language_end && language_end < size && text[language_end] != '`') {
|
||
language.assign(text, i, language_end - i);
|
||
i = language_end;
|
||
}
|
||
// skip one new line in the beginning of the text
|
||
if (text[i] == '\n' || text[i] == '\r') {
|
||
if ((text[i + 1] == '\n' || text[i + 1] == '\r') && text[i] != text[i + 1]) {
|
||
i += 2;
|
||
} else {
|
||
i++;
|
||
}
|
||
}
|
||
}
|
||
|
||
int32 utf16_entity_length = 0;
|
||
while (i < size && (text[i] != end_character || (is_pre && !(text[i + 1] == '`' && text[i + 2] == '`')))) {
|
||
auto cur_ch = static_cast<unsigned char>(text[i]);
|
||
if (is_utf8_character_first_code_unit(cur_ch)) {
|
||
utf16_entity_length += 1 + (cur_ch >= 0xf0); // >= 4 bytes in symbol => surrogaite pair
|
||
}
|
||
result.push_back(text[i++]);
|
||
}
|
||
if (i == size) {
|
||
return Status::Error(400, PSLICE() << "Can't find end of the entity starting at byte offset " << begin_pos);
|
||
}
|
||
|
||
if (utf16_entity_length > 0) {
|
||
switch (c) {
|
||
case '_':
|
||
entities.emplace_back(MessageEntity::Type::Italic, utf16_offset, utf16_entity_length);
|
||
break;
|
||
case '*':
|
||
entities.emplace_back(MessageEntity::Type::Bold, utf16_offset, utf16_entity_length);
|
||
break;
|
||
case '[': {
|
||
string url;
|
||
if (text[i + 1] != '(') {
|
||
// use text as a url
|
||
url.assign(text, begin_pos + 1, i - begin_pos - 1);
|
||
} else {
|
||
i += 2;
|
||
while (i < size && text[i] != ')') {
|
||
url.push_back(text[i++]);
|
||
}
|
||
}
|
||
auto user_id = get_link_user_id(url);
|
||
if (user_id.is_valid()) {
|
||
entities.emplace_back(utf16_offset, utf16_entity_length, user_id);
|
||
} else {
|
||
auto r_http_url = parse_url(url);
|
||
if (r_http_url.is_ok() && url.find('.') != string::npos) {
|
||
entities.emplace_back(MessageEntity::Type::TextUrl, utf16_offset, utf16_entity_length,
|
||
r_http_url.ok().get_url());
|
||
}
|
||
}
|
||
break;
|
||
}
|
||
case '`':
|
||
if (is_pre) {
|
||
if (language.empty()) {
|
||
entities.emplace_back(MessageEntity::Type::Pre, utf16_offset, utf16_entity_length);
|
||
} else {
|
||
entities.emplace_back(MessageEntity::Type::PreCode, utf16_offset, utf16_entity_length, language);
|
||
}
|
||
} else {
|
||
entities.emplace_back(MessageEntity::Type::Code, utf16_offset, utf16_entity_length);
|
||
}
|
||
break;
|
||
default:
|
||
UNREACHABLE();
|
||
}
|
||
utf16_offset += utf16_entity_length;
|
||
}
|
||
if (is_pre) {
|
||
i += 2;
|
||
}
|
||
}
|
||
text = result;
|
||
return entities;
|
||
}
|
||
|
||
static uint32 decode_html_entity(const string &text, size_t &pos) {
|
||
auto c = static_cast<unsigned char>(text[pos]);
|
||
if (c != '&') {
|
||
return 0;
|
||
}
|
||
|
||
size_t end_pos = pos + 1;
|
||
uint32 res = 0;
|
||
if (text[pos + 1] == '#') {
|
||
// numeric character reference
|
||
end_pos++;
|
||
if (text[pos + 2] == 'x') {
|
||
// hexadecimal numeric character reference
|
||
end_pos++;
|
||
while (is_hex_digit(text[end_pos])) {
|
||
res = res * 16 + hex_to_int(text[end_pos++]);
|
||
}
|
||
} else {
|
||
// decimal numeric character reference
|
||
while (is_digit(text[end_pos])) {
|
||
res = res * 10 + text[end_pos++] - '0';
|
||
}
|
||
}
|
||
if (res == 0 || res >= 0x10ffff || end_pos - pos >= 10) {
|
||
return 0;
|
||
}
|
||
} else {
|
||
while (is_alpha(text[end_pos])) {
|
||
end_pos++;
|
||
}
|
||
string entity(text, pos + 1, end_pos - pos - 1);
|
||
if (entity == "lt") {
|
||
res = static_cast<uint32>('<');
|
||
} else if (entity == "gt") {
|
||
res = static_cast<uint32>('>');
|
||
} else if (entity == "amp") {
|
||
res = static_cast<uint32>('&');
|
||
} else if (entity == "quot") {
|
||
res = static_cast<uint32>('"');
|
||
} else {
|
||
// unsupported literal entity
|
||
return 0;
|
||
}
|
||
}
|
||
|
||
if (text[end_pos] == ';') {
|
||
pos = end_pos + 1;
|
||
} else {
|
||
pos = end_pos;
|
||
}
|
||
return res;
|
||
}
|
||
|
||
Result<vector<MessageEntity>> parse_html(string &text) {
|
||
string result;
|
||
vector<MessageEntity> entities;
|
||
size_t size = text.size();
|
||
int32 utf16_offset = 0;
|
||
for (size_t i = 0; i < size; i++) {
|
||
auto c = static_cast<unsigned char>(text[i]);
|
||
if (c == '&') {
|
||
auto ch = decode_html_entity(text, i);
|
||
if (ch != 0) {
|
||
i--; // i will be incremented in for
|
||
utf16_offset += 1 + (ch > 0xffff);
|
||
append_utf8_character(result, ch);
|
||
continue;
|
||
}
|
||
}
|
||
if (c != '<') {
|
||
if (is_utf8_character_first_code_unit(c)) {
|
||
utf16_offset += 1 + (c >= 0xf0); // >= 4 bytes in symbol => surrogaite pair
|
||
}
|
||
result.push_back(text[i]);
|
||
continue;
|
||
}
|
||
|
||
// we are at begin of the entity
|
||
size_t begin_pos = i++;
|
||
if (text[i] == '/') {
|
||
return Status::Error(400, PSLICE() << "Unexpected end tag at byte offset " << begin_pos);
|
||
}
|
||
while (!is_space(text[i]) && text[i] != '>') {
|
||
i++;
|
||
}
|
||
if (text[i] == 0) {
|
||
return Status::Error(400, PSLICE() << "Unclosed start tag at byte offset " << begin_pos);
|
||
}
|
||
|
||
string tag_name(text, begin_pos + 1, i - begin_pos - 1);
|
||
to_lower_inplace(tag_name);
|
||
if (tag_name != "em" && tag_name != "strong" && tag_name != "a" && tag_name != "b" && tag_name != "i" &&
|
||
tag_name != "pre" && tag_name != "code") {
|
||
return Status::Error(400,
|
||
PSLICE() << "Unsupported start tag \"" << tag_name << "\" at byte offset " << begin_pos);
|
||
}
|
||
|
||
string url;
|
||
// string language; TODO PreCode support
|
||
while (text[i] != '>') {
|
||
while (text[i] != 0 && is_space(text[i])) {
|
||
i++;
|
||
}
|
||
if (text[i] == '>') {
|
||
break;
|
||
}
|
||
auto attribute_begin_pos = i;
|
||
while (!is_space(text[i]) && text[i] != '=') {
|
||
i++;
|
||
}
|
||
string attribute_name(text, attribute_begin_pos, i - attribute_begin_pos);
|
||
if (attribute_name.empty()) {
|
||
return Status::Error(400, PSLICE() << "Expected equal sign in declaration of attribute of the tag \""
|
||
<< tag_name << "\" at byte offset " << begin_pos);
|
||
}
|
||
while (text[i] != 0 && is_space(text[i])) {
|
||
i++;
|
||
}
|
||
if (text[i] != '=') {
|
||
return Status::Error(400, PSLICE() << "Expected equal sign in declaration of attribute of the tag \""
|
||
<< tag_name << "\" at byte offset " << begin_pos);
|
||
}
|
||
i++;
|
||
while (text[i] != 0 && is_space(text[i])) {
|
||
i++;
|
||
}
|
||
if (text[i] == 0) {
|
||
return Status::Error(400, PSLICE() << "Unclosed start tag at byte offset " << begin_pos);
|
||
}
|
||
|
||
string attribute_value;
|
||
if (text[i] != '\'' && text[i] != '"') {
|
||
// A name token (a sequence of letters, digits, periods, or hyphens). Name tokens are not case sensitive.
|
||
auto token_begin_pos = i;
|
||
while (is_alnum(text[i]) || text[i] == '.' || text[i] == '-') {
|
||
i++;
|
||
}
|
||
attribute_value.assign(text, token_begin_pos, i - token_begin_pos);
|
||
to_lower_inplace(attribute_value);
|
||
|
||
if (!is_space(text[i]) && text[i] != '>') {
|
||
return Status::Error(400, PSLICE() << "Unexpected end of name token at byte offset " << token_begin_pos);
|
||
}
|
||
} else {
|
||
// A string literal
|
||
char end_character = text[i++];
|
||
while (text[i] != end_character && text[i] != 0) {
|
||
if (text[i] == '&') {
|
||
auto ch = decode_html_entity(text, i);
|
||
if (ch != 0) {
|
||
append_utf8_character(attribute_value, ch);
|
||
continue;
|
||
}
|
||
}
|
||
attribute_value.push_back(text[i++]);
|
||
}
|
||
if (text[i] == end_character) {
|
||
i++;
|
||
}
|
||
}
|
||
if (text[i] == 0) {
|
||
return Status::Error(400, PSLICE() << "Unclosed start tag at byte offset " << begin_pos);
|
||
}
|
||
|
||
if (tag_name == "a" && attribute_name == "href") {
|
||
url = attribute_value;
|
||
}
|
||
}
|
||
i++;
|
||
|
||
int32 utf16_entity_length = 0;
|
||
size_t entity_begin_pos = result.size();
|
||
while (text[i] != 0 && text[i] != '<') {
|
||
auto cur_ch = static_cast<unsigned char>(text[i]);
|
||
if (cur_ch == '&') {
|
||
auto ch = decode_html_entity(text, i);
|
||
if (ch != 0) {
|
||
utf16_entity_length += 1 + (ch > 0xffff);
|
||
append_utf8_character(result, ch);
|
||
continue;
|
||
}
|
||
}
|
||
if (is_utf8_character_first_code_unit(cur_ch)) {
|
||
utf16_entity_length += 1 + (cur_ch >= 0xf0); // >= 4 bytes in symbol => surrogaite pair
|
||
}
|
||
result.push_back(text[i++]);
|
||
}
|
||
if (text[i] == 0) {
|
||
return Status::Error(400,
|
||
PSLICE() << "Can't found end tag corresponding to start tag at byte offset " << begin_pos);
|
||
}
|
||
|
||
auto end_tag_begin_pos = i++;
|
||
if (text[i] != '/') {
|
||
return Status::Error(400, PSLICE() << "Expected end tag at byte offset " << end_tag_begin_pos);
|
||
}
|
||
while (!is_space(text[i]) && text[i] != '>') {
|
||
i++;
|
||
}
|
||
string end_tag_name(text, end_tag_begin_pos + 2, i - end_tag_begin_pos - 2);
|
||
while (is_space(text[i]) && text[i] != 0) {
|
||
i++;
|
||
}
|
||
if (text[i] != '>') {
|
||
return Status::Error(400, PSLICE() << "Unclosed end tag at byte offset " << end_tag_begin_pos);
|
||
}
|
||
if (!end_tag_name.empty() && end_tag_name != tag_name) {
|
||
return Status::Error(400, PSLICE() << "Unmatched end tag at byte offset " << end_tag_begin_pos
|
||
<< ", expected \"</" << tag_name << ">\", found\"</" << end_tag_name << ">\"");
|
||
}
|
||
|
||
if (utf16_entity_length > 0) {
|
||
if (tag_name == "i" || tag_name == "em") {
|
||
entities.emplace_back(MessageEntity::Type::Italic, utf16_offset, utf16_entity_length);
|
||
} else if (tag_name == "b" || tag_name == "strong") {
|
||
entities.emplace_back(MessageEntity::Type::Bold, utf16_offset, utf16_entity_length);
|
||
} else if (tag_name == "a") {
|
||
if (url.empty()) {
|
||
url = result.substr(entity_begin_pos);
|
||
}
|
||
auto user_id = get_link_user_id(url);
|
||
if (user_id.is_valid()) {
|
||
entities.emplace_back(utf16_offset, utf16_entity_length, user_id);
|
||
} else {
|
||
auto r_http_url = parse_url(url);
|
||
if (r_http_url.is_ok() && url.find('.') != string::npos) {
|
||
entities.emplace_back(MessageEntity::Type::TextUrl, utf16_offset, utf16_entity_length,
|
||
r_http_url.ok().get_url());
|
||
}
|
||
}
|
||
} else if (tag_name == "pre") {
|
||
entities.emplace_back(MessageEntity::Type::Pre, utf16_offset, utf16_entity_length);
|
||
} else if (tag_name == "code") {
|
||
entities.emplace_back(MessageEntity::Type::Code, utf16_offset, utf16_entity_length);
|
||
}
|
||
utf16_offset += utf16_entity_length;
|
||
}
|
||
}
|
||
text = result;
|
||
return entities;
|
||
}
|
||
|
||
vector<tl_object_ptr<telegram_api::MessageEntity>> get_input_message_entities(const ContactsManager *contacts_manager,
|
||
const vector<MessageEntity> &entities) {
|
||
vector<tl_object_ptr<telegram_api::MessageEntity>> result;
|
||
for (auto &entity : entities) {
|
||
switch (entity.type) {
|
||
case MessageEntity::Type::Mention:
|
||
case MessageEntity::Type::Hashtag:
|
||
case MessageEntity::Type::BotCommand:
|
||
case MessageEntity::Type::Url:
|
||
case MessageEntity::Type::EmailAddress:
|
||
continue;
|
||
case MessageEntity::Type::Bold:
|
||
result.push_back(make_tl_object<telegram_api::messageEntityBold>(entity.offset, entity.length));
|
||
break;
|
||
case MessageEntity::Type::Italic:
|
||
result.push_back(make_tl_object<telegram_api::messageEntityItalic>(entity.offset, entity.length));
|
||
break;
|
||
case MessageEntity::Type::Code:
|
||
result.push_back(make_tl_object<telegram_api::messageEntityCode>(entity.offset, entity.length));
|
||
break;
|
||
case MessageEntity::Type::Pre:
|
||
result.push_back(make_tl_object<telegram_api::messageEntityPre>(entity.offset, entity.length, string()));
|
||
break;
|
||
case MessageEntity::Type::PreCode:
|
||
result.push_back(make_tl_object<telegram_api::messageEntityPre>(entity.offset, entity.length, entity.argument));
|
||
break;
|
||
case MessageEntity::Type::TextUrl:
|
||
result.push_back(
|
||
make_tl_object<telegram_api::messageEntityTextUrl>(entity.offset, entity.length, entity.argument));
|
||
break;
|
||
case MessageEntity::Type::MentionName: {
|
||
auto input_user = contacts_manager->get_input_user(entity.user_id);
|
||
CHECK(input_user != nullptr);
|
||
result.push_back(make_tl_object<telegram_api::inputMessageEntityMentionName>(entity.offset, entity.length,
|
||
std::move(input_user)));
|
||
break;
|
||
}
|
||
default:
|
||
UNREACHABLE();
|
||
}
|
||
}
|
||
|
||
return result;
|
||
}
|
||
|
||
vector<tl_object_ptr<secret_api::MessageEntity>> get_input_secret_message_entities(
|
||
const vector<MessageEntity> &entities) {
|
||
vector<tl_object_ptr<secret_api::MessageEntity>> result;
|
||
for (auto &entity : entities) {
|
||
switch (entity.type) {
|
||
case MessageEntity::Type::Mention:
|
||
result.push_back(make_tl_object<secret_api::messageEntityMention>(entity.offset, entity.length));
|
||
break;
|
||
case MessageEntity::Type::Hashtag:
|
||
result.push_back(make_tl_object<secret_api::messageEntityHashtag>(entity.offset, entity.length));
|
||
break;
|
||
case MessageEntity::Type::BotCommand:
|
||
break;
|
||
case MessageEntity::Type::Url:
|
||
result.push_back(make_tl_object<secret_api::messageEntityUrl>(entity.offset, entity.length));
|
||
break;
|
||
case MessageEntity::Type::EmailAddress:
|
||
result.push_back(make_tl_object<secret_api::messageEntityEmail>(entity.offset, entity.length));
|
||
break;
|
||
case MessageEntity::Type::Bold:
|
||
result.push_back(make_tl_object<secret_api::messageEntityBold>(entity.offset, entity.length));
|
||
break;
|
||
case MessageEntity::Type::Italic:
|
||
result.push_back(make_tl_object<secret_api::messageEntityItalic>(entity.offset, entity.length));
|
||
break;
|
||
case MessageEntity::Type::Code:
|
||
result.push_back(make_tl_object<secret_api::messageEntityCode>(entity.offset, entity.length));
|
||
break;
|
||
case MessageEntity::Type::Pre:
|
||
result.push_back(make_tl_object<secret_api::messageEntityPre>(entity.offset, entity.length, string()));
|
||
break;
|
||
case MessageEntity::Type::PreCode:
|
||
result.push_back(make_tl_object<secret_api::messageEntityPre>(entity.offset, entity.length, entity.argument));
|
||
break;
|
||
case MessageEntity::Type::TextUrl:
|
||
result.push_back(
|
||
make_tl_object<secret_api::messageEntityTextUrl>(entity.offset, entity.length, entity.argument));
|
||
break;
|
||
case MessageEntity::Type::MentionName:
|
||
break;
|
||
default:
|
||
UNREACHABLE();
|
||
}
|
||
}
|
||
|
||
return result;
|
||
}
|
||
|
||
vector<MessageEntity> get_message_entities(vector<tl_object_ptr<telegram_api::MessageEntity>> &&server_entities) {
|
||
vector<MessageEntity> entities;
|
||
entities.reserve(server_entities.size());
|
||
for (auto &entity : server_entities) {
|
||
switch (entity->get_id()) {
|
||
case telegram_api::messageEntityUnknown::ID:
|
||
break;
|
||
case telegram_api::messageEntityMention::ID: {
|
||
auto entity_mention = static_cast<const telegram_api::messageEntityMention *>(entity.get());
|
||
entities.emplace_back(MessageEntity::Type::Mention, entity_mention->offset_, entity_mention->length_);
|
||
break;
|
||
}
|
||
case telegram_api::messageEntityHashtag::ID: {
|
||
auto entity_hashtag = static_cast<const telegram_api::messageEntityHashtag *>(entity.get());
|
||
entities.emplace_back(MessageEntity::Type::Hashtag, entity_hashtag->offset_, entity_hashtag->length_);
|
||
break;
|
||
}
|
||
case telegram_api::messageEntityBotCommand::ID: {
|
||
auto entity_bot_command = static_cast<const telegram_api::messageEntityBotCommand *>(entity.get());
|
||
entities.emplace_back(MessageEntity::Type::BotCommand, entity_bot_command->offset_,
|
||
entity_bot_command->length_);
|
||
break;
|
||
}
|
||
case telegram_api::messageEntityUrl::ID: {
|
||
auto entity_url = static_cast<const telegram_api::messageEntityUrl *>(entity.get());
|
||
entities.emplace_back(MessageEntity::Type::Url, entity_url->offset_, entity_url->length_);
|
||
break;
|
||
}
|
||
case telegram_api::messageEntityEmail::ID: {
|
||
auto entity_email = static_cast<const telegram_api::messageEntityEmail *>(entity.get());
|
||
entities.emplace_back(MessageEntity::Type::EmailAddress, entity_email->offset_, entity_email->length_);
|
||
break;
|
||
}
|
||
case telegram_api::messageEntityBold::ID: {
|
||
auto entity_bold = static_cast<const telegram_api::messageEntityBold *>(entity.get());
|
||
entities.emplace_back(MessageEntity::Type::Bold, entity_bold->offset_, entity_bold->length_);
|
||
break;
|
||
}
|
||
case telegram_api::messageEntityItalic::ID: {
|
||
auto entity_italic = static_cast<const telegram_api::messageEntityItalic *>(entity.get());
|
||
entities.emplace_back(MessageEntity::Type::Italic, entity_italic->offset_, entity_italic->length_);
|
||
break;
|
||
}
|
||
case telegram_api::messageEntityCode::ID: {
|
||
auto entity_code = static_cast<const telegram_api::messageEntityCode *>(entity.get());
|
||
entities.emplace_back(MessageEntity::Type::Code, entity_code->offset_, entity_code->length_);
|
||
break;
|
||
}
|
||
case telegram_api::messageEntityPre::ID: {
|
||
auto entity_pre = static_cast<telegram_api::messageEntityPre *>(entity.get());
|
||
if (entity_pre->language_.empty()) {
|
||
entities.emplace_back(MessageEntity::Type::Pre, entity_pre->offset_, entity_pre->length_);
|
||
} else {
|
||
entities.emplace_back(MessageEntity::Type::PreCode, entity_pre->offset_, entity_pre->length_,
|
||
std::move(entity_pre->language_));
|
||
}
|
||
break;
|
||
}
|
||
case telegram_api::messageEntityTextUrl::ID: {
|
||
// TODO const telegram_api::messageEntityTextUrl *
|
||
auto entity_text_url = static_cast<telegram_api::messageEntityTextUrl *>(entity.get());
|
||
auto r_http_url = parse_url(entity_text_url->url_);
|
||
if (r_http_url.is_error()) {
|
||
LOG(ERROR) << "Wrong URL entity: \"" << entity_text_url->url_ << "\": " << r_http_url.error().message();
|
||
continue;
|
||
}
|
||
entities.emplace_back(MessageEntity::Type::TextUrl, entity_text_url->offset_, entity_text_url->length_,
|
||
r_http_url.ok().get_url());
|
||
break;
|
||
}
|
||
case telegram_api::messageEntityMentionName::ID: {
|
||
auto entity_mention_name = static_cast<const telegram_api::messageEntityMentionName *>(entity.get());
|
||
UserId user_id(entity_mention_name->user_id_);
|
||
if (!user_id.is_valid()) {
|
||
LOG(ERROR) << "Receive invalid " << user_id << " in MentionName";
|
||
continue;
|
||
}
|
||
entities.emplace_back(entity_mention_name->offset_, entity_mention_name->length_, user_id);
|
||
break;
|
||
}
|
||
default:
|
||
UNREACHABLE();
|
||
}
|
||
}
|
||
return entities;
|
||
}
|
||
|
||
vector<MessageEntity> get_message_entities(vector<tl_object_ptr<secret_api::MessageEntity>> &&secret_entities) {
|
||
vector<MessageEntity> entities;
|
||
entities.reserve(secret_entities.size());
|
||
for (auto &entity : secret_entities) {
|
||
switch (entity->get_id()) {
|
||
case secret_api::messageEntityUnknown::ID:
|
||
break;
|
||
case secret_api::messageEntityMention::ID:
|
||
// skip, will find it ourselves
|
||
break;
|
||
case secret_api::messageEntityHashtag::ID:
|
||
// skip, will find it ourselves
|
||
break;
|
||
case secret_api::messageEntityBotCommand::ID:
|
||
// skip all bot commands in secret chats
|
||
break;
|
||
case secret_api::messageEntityUrl::ID: {
|
||
auto entity_url = static_cast<const secret_api::messageEntityUrl *>(entity.get());
|
||
// TODO skip URL when find_urls will be better
|
||
entities.emplace_back(MessageEntity::Type::Url, entity_url->offset_, entity_url->length_);
|
||
break;
|
||
}
|
||
case secret_api::messageEntityEmail::ID: {
|
||
auto entity_email = static_cast<const secret_api::messageEntityEmail *>(entity.get());
|
||
// TODO skip emails when find_urls will be better
|
||
entities.emplace_back(MessageEntity::Type::EmailAddress, entity_email->offset_, entity_email->length_);
|
||
break;
|
||
}
|
||
case secret_api::messageEntityBold::ID: {
|
||
auto entity_bold = static_cast<const secret_api::messageEntityBold *>(entity.get());
|
||
entities.emplace_back(MessageEntity::Type::Bold, entity_bold->offset_, entity_bold->length_);
|
||
break;
|
||
}
|
||
case secret_api::messageEntityItalic::ID: {
|
||
auto entity_italic = static_cast<const secret_api::messageEntityItalic *>(entity.get());
|
||
entities.emplace_back(MessageEntity::Type::Italic, entity_italic->offset_, entity_italic->length_);
|
||
break;
|
||
}
|
||
case secret_api::messageEntityCode::ID: {
|
||
auto entity_code = static_cast<const secret_api::messageEntityCode *>(entity.get());
|
||
entities.emplace_back(MessageEntity::Type::Code, entity_code->offset_, entity_code->length_);
|
||
break;
|
||
}
|
||
case secret_api::messageEntityPre::ID: {
|
||
auto entity_pre = static_cast<secret_api::messageEntityPre *>(entity.get());
|
||
if (!clean_input_string(entity_pre->language_)) {
|
||
LOG(WARNING) << "Wrong language in entity: \"" << entity_pre->language_ << '"';
|
||
entity_pre->language_.clear();
|
||
}
|
||
if (entity_pre->language_.empty()) {
|
||
entities.emplace_back(MessageEntity::Type::Pre, entity_pre->offset_, entity_pre->length_);
|
||
} else {
|
||
entities.emplace_back(MessageEntity::Type::PreCode, entity_pre->offset_, entity_pre->length_,
|
||
std::move(entity_pre->language_));
|
||
}
|
||
break;
|
||
}
|
||
case secret_api::messageEntityTextUrl::ID: {
|
||
auto entity_text_url = static_cast<secret_api::messageEntityTextUrl *>(entity.get());
|
||
if (!clean_input_string(entity_text_url->url_)) {
|
||
LOG(WARNING) << "Wrong URL entity: \"" << entity_text_url->url_ << '"';
|
||
continue;
|
||
}
|
||
auto r_http_url = parse_url(entity_text_url->url_);
|
||
if (r_http_url.is_error()) {
|
||
LOG(WARNING) << "Wrong URL entity: \"" << entity_text_url->url_ << "\": " << r_http_url.error().message();
|
||
continue;
|
||
}
|
||
entities.emplace_back(MessageEntity::Type::TextUrl, entity_text_url->offset_, entity_text_url->length_,
|
||
r_http_url.ok().get_url());
|
||
break;
|
||
}
|
||
case secret_api::messageEntityMentionName::ID:
|
||
// skip all name mentions in secret chats
|
||
break;
|
||
default:
|
||
UNREACHABLE();
|
||
}
|
||
}
|
||
return entities;
|
||
}
|
||
|
||
} // namespace td
|