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Added command 'profanity'
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Uleat
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/* EQEMu: Everquest Server Emulator
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Copyright (C) 2001-2019 EQEMu Development Team (http://eqemulator.net)
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; version 2 of the License.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY except by those people which sell it, which
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are required to give you total support for your newly bought product;
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without even the implied warranty of MERCHANTABILITY or FITNESS FOR
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A PARTICULAR PURPOSE. See the GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#include "profanity_manager.h"
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#include "dbcore.h"
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#include <ctype.h>
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#include <algorithm>
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static std::list<std::string> profanity_list;
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static bool update_originator_flag = false;
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bool EQEmu::ProfanityManager::LoadProfanityList(DBcore *db) {
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if (update_originator_flag == true) {
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update_originator_flag = false;
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return true;
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}
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if (!load_database_entries(db))
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return false;
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return true;
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}
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bool EQEmu::ProfanityManager::UpdateProfanityList(DBcore *db) {
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if (!load_database_entries(db))
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return false;
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update_originator_flag = true;
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return true;
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}
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bool EQEmu::ProfanityManager::DeleteProfanityList(DBcore *db) {
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if (!clear_database_entries(db))
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return false;
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update_originator_flag = true;
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return true;
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}
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bool EQEmu::ProfanityManager::AddProfanity(DBcore *db, const char *profanity) {
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if (!db || !profanity)
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return false;
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std::string entry(profanity);
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std::transform(entry.begin(), entry.end(), entry.begin(), [](unsigned char c) -> unsigned char { return tolower(c); });
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if (check_for_existing_entry(entry.c_str()))
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return true;
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if (entry.length() < REDACTION_LENGTH_MIN)
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return false;
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profanity_list.push_back(entry);
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std::string query = "REPLACE INTO `profanity_list` (`word`) VALUES ('";
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query.append(entry);
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query.append("')");
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auto results = db->QueryDatabase(query);
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if (!results.Success())
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return false;
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update_originator_flag = true;
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return true;
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}
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bool EQEmu::ProfanityManager::RemoveProfanity(DBcore *db, const char *profanity) {
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if (!db || !profanity)
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return false;
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std::string entry(profanity);
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std::transform(entry.begin(), entry.end(), entry.begin(), [](unsigned char c) -> unsigned char { return tolower(c); });
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if (!check_for_existing_entry(entry.c_str()))
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return true;
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profanity_list.remove(entry);
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std::string query = "DELETE FROM `profanity_list` WHERE `word` LIKE '";
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query.append(entry);
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query.append("'");
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auto results = db->QueryDatabase(query);
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if (!results.Success())
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return false;
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update_originator_flag = true;
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return true;
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}
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void EQEmu::ProfanityManager::RedactMessage(char *message) {
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if (!message)
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return;
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std::string test_message(message);
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// hard-coded max length based on channel message buffer size (4096 bytes)..
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// ..will need to change or remove if other sources are used for redaction
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if (test_message.length() < REDACTION_LENGTH_MIN || test_message.length() >= 4096)
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return;
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std::transform(test_message.begin(), test_message.end(), test_message.begin(), [](unsigned char c) -> unsigned char { return tolower(c); });
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for (const auto &iter : profanity_list) { // consider adding textlink checks if it becomes an issue
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size_t pos = 0;
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size_t start_pos = 0;
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while (pos != std::string::npos) {
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pos = test_message.find(iter, start_pos);
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if (pos == std::string::npos)
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continue;
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if ((pos + iter.length()) == test_message.length() || !isalpha(test_message.at(pos + iter.length()))) {
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if (pos == 0 || !isalpha(test_message.at(pos - 1)))
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memset((message + pos), REDACTION_CHARACTER, iter.length());
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}
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start_pos = (pos + iter.length());
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}
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}
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}
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void EQEmu::ProfanityManager::RedactMessage(std::string &message) {
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if (message.length() < REDACTION_LENGTH_MIN || message.length() >= 4096)
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return;
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std::string test_message(const_cast<const std::string&>(message));
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std::transform(test_message.begin(), test_message.end(), test_message.begin(), [](unsigned char c) -> unsigned char { return tolower(c); });
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for (const auto &iter : profanity_list) { // consider adding textlink checks if it becomes an issue
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size_t pos = 0;
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size_t start_pos = 0;
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while (pos != std::string::npos) {
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pos = test_message.find(iter, start_pos);
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if (pos == std::string::npos)
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continue;
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if ((pos + iter.length()) == test_message.length() || !isalpha(test_message.at(pos + iter.length()))) {
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if (pos == 0 || !isalpha(test_message.at(pos - 1)))
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message.replace(pos, iter.length(), iter.length(), REDACTION_CHARACTER);
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}
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start_pos = (pos + iter.length());
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}
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}
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}
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bool EQEmu::ProfanityManager::ContainsCensoredLanguage(const char *message) {
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if (!message)
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return false;
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return ContainsCensoredLanguage(std::string(message));
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}
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bool EQEmu::ProfanityManager::ContainsCensoredLanguage(const std::string &message) {
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if (message.length() < REDACTION_LENGTH_MIN || message.length() >= 4096)
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return false;
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std::string test_message(message);
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std::transform(test_message.begin(), test_message.end(), test_message.begin(), [](unsigned char c) -> unsigned char { return tolower(c); });
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for (const auto &iter : profanity_list) {
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if (test_message.find(iter) != std::string::npos)
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return true;
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}
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return false;
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}
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const std::list<std::string> &EQEmu::ProfanityManager::GetProfanityList() {
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return profanity_list;
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}
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bool EQEmu::ProfanityManager::IsCensorshipActive() {
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return (profanity_list.size() != 0);
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}
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bool EQEmu::ProfanityManager::load_database_entries(DBcore *db) {
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if (!db)
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return false;
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profanity_list.clear();
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std::string query = "SELECT `word` FROM `profanity_list`";
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auto results = db->QueryDatabase(query);
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if (!results.Success())
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return false;
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for (auto row = results.begin(); row != results.end(); ++row) {
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if (std::strlen(row[0]) >= REDACTION_LENGTH_MIN) {
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std::string entry(row[0]);
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std::transform(entry.begin(), entry.end(), entry.begin(), [](unsigned char c) -> unsigned char { return tolower(c); });
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if (!check_for_existing_entry(entry.c_str()))
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profanity_list.push_back((std::string)entry);
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}
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}
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return true;
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}
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bool EQEmu::ProfanityManager::clear_database_entries(DBcore *db) {
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if (!db)
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return false;
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profanity_list.clear();
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std::string query = "DELETE FROM `profanity_list`";
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auto results = db->QueryDatabase(query);
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if (!results.Success())
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return false;
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return true;
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}
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bool EQEmu::ProfanityManager::check_for_existing_entry(const char *profanity) {
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if (!profanity)
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return false;
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for (const auto &iter : profanity_list) {
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if (iter.compare(profanity) == 0)
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return true;
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}
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return false;
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}
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