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parser.php
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parser.php
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<?php
/*
* To change this license header, choose License Headers in Project Properties.
* To change this template file, choose Tools | Templates
* and open the template in the editor.
*/
date_default_timezone_set ("UTC");
define ("MAIN_DIR", dirname(__FILE__));
include ( MAIN_DIR . '/mysql.php');
include (MAIN_DIR . "/config.php");
$parser = new Parser();
do{
try{
$parser->init();
} catch (Exception $e){
echo 'ERROR: ' . $e;
}
} while(1);
class Parser{
public function init(){
global $config;
global $looking_for_tag;
global $db;
$looking_for_tag= $config['search_tag'];
$db = new SafeMysql(array('user' => $config['dbuser'], 'pass' => $config['dbpassword'],'db' => $config['dbname'],'host' => $config['dbhost'], 'charset' => 'utf8mb4'));
$num_in_sql = $this->get_num_current_block_from_sql();
$num_in_blockchain = $this -> get_num_current_block();
// echo $num_in_sql . ' \n';
// echo $num_in_blockchain . ' \n';
for ($num_in_sql; $num_in_sql<=$num_in_blockchain; $num_in_sql++){
$transactions = $this->get_content_from_block($num_in_sql);
if (empty($transactions)){
$db->query("UPDATE current_blocks SET id= " . $num_in_sql . " WHERE blockchain = '" . $config['blockchain']['name'] . "'");
echo 'block #' . $num_in_sql . '->' . $num_in_blockchain . " \n ";
continue;
}
if ( $num_in_sql < $num_in_blockchain){
foreach ($transactions as $tr){
foreach ($tr['operations'] as $action){
if ($action[0] == "vote") {
$answer_upvote = $this->add_vote_to_sql($action[1]['permlink'], $action[1]['author']);
$answer_voters = $this->update_voters_in_sql($action[1]['permlink'], $action[1]['voter']);
//TRAIL HERE
if ($action[1]['voter'] == 'dark.sun'){
$this->add_vote_to_trail($action[1]['voter'], $action[1]['author'], $action[1]['permlink']);
}
echo ("block #" . $num_in_sql . ", action: VOTE" . $answer_upvote ." \n");
}
if ($action[0]== "account_create"){
$answer = $this->add_account_to_sql($action[1]);
echo ("block #" . $num_in_sql . ", action: NEW ACCOUNT, username= " . $answer ." \n");
}
else if ($action[0]== "comment"){
$json = $this->convert_json($action[1]['json_metadata']);
$answer = $this->validate_tags($json);
if ($answer === true) {
if ($action[1]['parent_author'] == '') { //check parent author - '', that mean it is article
$answer = $this->add_article_to_sql($action[1], $json);
if (array_key_exists('image', $json)&&(array_key_exists('0', $json['image']))){
$this->download_images($action[1]['permlink'], $action[1]['author'], $json['image'][0]); //загружаем только первую картинку
echo "block #" . $num_in_blockchain . ", action: ART, " . $answer . " \n";
}
} else { //if not '' - that mean it is reply
$answer = $this->add_replie_to_sql($action[1], $json);
echo "block #" . $num_in_sql . ', action: REPLY, ' . $answer . " \n";
}
} else {
echo "block #" . $num_in_sql . ", action: Art or Reply, permlink =" . $action[1]['permlink'] . ", " . $answer . " \n";
}
}
}
}
}
$db->query("UPDATE current_blocks SET id= " . $num_in_sql . " WHERE blockchain= '" . $config['blockchain']['name'] . "'");
echo 'block #' . $num_in_sql . '->' . $num_in_blockchain . " \n ";
}
}
private function get_num_current_block() {
global $config;
$param = '{"jsonrpc": "2.0", "method": "call", "params": [0,"get_state",[""]], "id": 2}';
$cmd = "curl -s --data" . " " . "'" . $param . "'" . " " . $config['blockchain']['node'];
$out = shell_exec($cmd);
$out = json_decode($out, true);
$result= $out['result']['props']['head_block_number'];
return $result;
}
private function get_num_current_block_from_sql(){
global $db;
global $config;
if ($config['blockchain']['start_block'] == 'current') {
return $max_id = $db->getOne("SELECT MAX(id) FROM current_blocks WHERE blockchain = ?s", $config['blockchain']['name']);
} else {
return $config['blockchain']['start_block'];
}
}
private function get_content_from_block($block = null){
global $config;
$param = '{"jsonrpc": "2.0", "method": "call", "params": [0,"get_block",[' . $block . ']], "id": 4}';
$cmd = "curl -s --data" . " " . "'" . $param . "'" . " " . $config['blockchain']['node'];
$out = shell_exec($cmd);
$out = json_decode($out, true);
if (isset($out['result']['transactions']))
$result = $out['result']['transactions'];
else $result = null;
return $result;
}
private function get_full_content($author, $permlink){
global $config;
$param = '{"jsonrpc": "2.0", "method": "call", "params": [0,"get_content",["' . $author . '", "' . $permlink . '"]], "id": 4}';
$cmd = "curl -s --data" . " " . "'" . $param . "'" . " " . $config['blockchain']['node'];
$out = shell_exec($cmd);
$out = json_decode($out, true);
$result = $out['result']; //Отливливать ошибки здесь
return $result;
}
private function add_article_to_sql($data_part, $json){
global $db;
global $looking_for_tag;
global $config;
$blockchain = $config['blockchain'];
$full_content = $this->get_full_content($data_part['author'], $data_part['permlink']);
$data['author']= $full_content['author'];
$data['permlink']= $full_content['permlink'];
$data['title']= mb_convert_encoding($full_content['title'], 'UTF-8');
$data['body']= mb_convert_encoding($full_content['body'], 'UTF-8');
$data['meta']= $full_content['json_metadata'];
$data['created_at']= $full_content['created'];
$data['updated_at']= $full_content['last_update'];
$data['total_pending_payout_value'] = $full_content['total_pending_payout_value'] + $full_content['total_payout_value'];
$data['meta']= $full_content['json_metadata'];
$data['parent_permlink'] = $full_content['parent_permlink'];
$data['blockchain']= $blockchain['name'];
$data['currency'] = $blockchain['currency'];
if (is_array($json['tags'])){ //soft-validate metadata and cleaning from empty elements
$json['tags'] = $this->cleaning_tags($json['tags']);
/*
* Here we check tag for exist and replace them with language encoding
*/
$data['country']= (array_key_exists('1', $json['tags'])? self::convert_tag_before_save($json['tags'][1]) : json_encode([]));
$data['city']= (array_key_exists('2', $json['tags'])? self::convert_tag_before_save($json['tags'][2]) : json_encode([]));
$data['category']= (array_key_exists('3', $json['tags'])? self::convert_tag_before_save($json['tags'][3]) : json_encode([]));
$data['sub_category']= (array_key_exists('4', $json['tags'])? self::convert_tag_before_save($json['tags'][4]) : json_encode([]));
}
$data['votes']= 0;
$data['replies']= 0;
$data['voters'] = json_encode([]);
$exist_art = $db->getRow('SELECT * FROM art WHERE permlink=?s', $data['permlink']);
if (is_null($exist_art)) {
$db->query("INSERT INTO art SET ?u", $data);
if(array_key_exists('0', $json['tags'])&&($json['tags'][0] != $looking_for_tag)){
$this->update_category($data['country'], $data['city'], $data['category'], $data['sub_category']);
}
return ("article by " . $data['author'] . "category: " . $json['tags'][0] . ", permlink: " . $data['permlink'] . " ADDED");
} else {
unset($data['created_at']);
unset($data['voters']);
unset($data['replies']);
unset($data['votes']);
$db->query("UPDATE art SET ?u WHERE permlink=?s", $data, $data['permlink']);
return ("article by " . $data['author'] . "category: " . $json['tags'][0] . ", permlink: " . $data['permlink'] . " UPDATED");
}
}
private function add_replie_to_sql($data_part, $json){
global $db;
global $config;
$blockchain = $config['blockchain'];
$full_content = $this->get_full_content($data_part['author'], $data_part['permlink']);
$data['author']= $full_content['author'];
$data['permlink']= $full_content['permlink'];
$data['title']= mb_convert_encoding($full_content['title'], 'UTF-8');
$data['body']= mb_convert_encoding($full_content['body'], 'UTF-8');
$data['meta']= $full_content['json_metadata'];
$data['created_at']= $full_content['created'];
$data['updated_at']= $full_content['last_update'];
$data['title']= $full_content['title'];
$data['total_pending_payout_value'] = $full_content['total_pending_payout_value'] + $full_content['total_payout_value'];
$data['meta']= $full_content['json_metadata'];
$data['parent_permlink'] = $full_content['parent_permlink'];
$data['blockchain']= $blockchain['name'];
$data['currency'] = $blockchain['currency'];
$data['votes']= 0;
$data['replies']= 0;
$data['level'] = 1;
$data['status'] = 1;
$data['voters'] = json_encode([]);
$data['entity'] = $config['entity'];
$root_article = $this->get_root_article_from_permlink($data['permlink']);
$data['relatedTo'] = $config['relatedTo'] . $root_article;
$exist_art = $db->getRow('SELECT * FROM comment WHERE permlink=?s', $data['permlink']);
if (is_null($exist_art)) {
$db->query("INSERT INTO comment SET ?u", $data);
$answer_update = $this->update_replies_count($root_article);
return ("article by: " . $data['author'] . " , category: " . $json['tags'][0] . ", permlink: " . $data['permlink'] . " ADDED");
} else {
$db->query("UPDATE comment SET ?u WHERE permlink=?s", $data, $data['permlink']);
return ("article by: " . $data['author'] . " , category: " . $json['tags'][0] . ", permlink: " . $data['permlink'] . " UPDATED");
}
}
private function add_account_to_sql($data){
global $db;
$data_part['username'] = $data['new_account_name'];
$data_part['json_metadata'] = $data['json_metadata'];
$db->query("INSERT INTO users_raw SET ?u", $data_part);
return ($data['new_account_name']);
}
private function convert_json($data){
$json = json_decode($data,true);
return $json;
}
public function cleaning_tags(&$tags){
foreach ($tags as $id => $t){ //cleaning
if (($t=="")||(empty($t))){
unset($tags[$id]);
}
}
return $tags;
}
private function convert_tag_before_save($tag){
global $config;
$tag_old = $tag;
if ($config['blockchain']['name'] == 'golos'){
if (($tag == ' ')||($tag == '')) return 'null';
sscanf($tag, "%4s%s", $tr_key, $tag);
if ($tr_key == "ru--"){
$tag = mb_strtolower($tag);
$rus = array('щ', 'ш', 'ч', 'ц', 'й', 'ё', 'э', 'ю', 'я', 'х', 'ж', 'а', 'б', 'в', 'г', 'д', 'е', 'з', 'и', 'к', 'л', 'м', 'н', 'о', 'п', 'р', 'с', 'т', 'у', 'ф', 'ъ', 'ы', 'ь');
$eng = array('shch', 'sh', 'ch', 'cz', 'ij', 'yo', 'ye', 'yu', 'ya', 'kh', 'zh', 'a', 'b', 'v', 'g', 'd', 'e', 'z', 'i', 'k', 'l', 'm', 'n', 'o', 'p', 'r', 's', 't', 'u', 'f', 'xx', 'y', 'x');
$tag = str_replace($eng, $rus, $tag);
return $tag;
}
}
return mb_strtolower($tag_old);
}
public function get_root_article_from_permlink($permlink){
$re = '/^.+-re-.+?-(.+)-\d+.+/m';
preg_match_all($re, $permlink, $main_link);
if (empty($main_link[1])){
$re = '/re-.+?-(.+)-\d+.+/m';
preg_match_all($re, $permlink, $main_link);
}
return $main_link[1][0];
}
private function update_replies_count($root_link){
global $db;
global $config;
$db->query("UPDATE art SET replies=replies+1 WHERE permlink=?s AND blockchain=?s", $root_link, $config['blockchain']['name']);
return "Comment count for article success updated";
}
private function add_vote_to_sql($permlink, $author){
global $db;
global $config;
$table = $this->art_or_comment($permlink);
if ($table != 'NULL'){
$full_content = $this->get_full_content($author, $permlink, $config['blockchain']['node']);
$full_content['total_pending_payout_value'] = $full_content['total_pending_payout_value'] + $full_content['total_payout_value'];
$db->query("UPDATE ?n SET votes=votes+1, total_pending_payout_value=?s WHERE permlink=?s", $table, $full_content['total_pending_payout_value'],$permlink);
return ", permlink = " . $permlink . ", author = " . $author;
}
else {
return (", WARNING! VOTE parsed, but parent article not exist. Requere full re-parse blockchain. ");
}
}
private function validate_tags($json){
global $looking_for_tag;
if (is_array($json)&&(isset($json['tags'][0]))){
if (is_array($json['tags'])) {
if (array_key_exists('0', $json['tags'])){
if ($json['tags'][0] != $looking_for_tag) { //CHANGE TO == !!!! THAT MEAN WE LOOKING FOR ONE TAG. For t$
return true;
} else {
return "tags not contains keyword";
}
}else{
return "wrong key in tag array";
}
}else {
return "tags is not array";
}
}else{
return "tags not setted";
}
}
//Функция обновления голосующих людей в за комментарии и посты
private function update_voters_in_sql($permlink, $author){
global $db;
$table = $this->art_or_comment($permlink);
if ($table !== 'NULL'){
$subject = $db->getRow('SELECT * FROM ?n WHERE permlink=?s', $table, $permlink);
$subject_voters = $this->convert_json($subject['voters']);
$subject_voters[] = $author;
$subject_voters = json_encode($subject_voters);
$db->query("UPDATE ?n SET voters=?s WHERE permlink=?s", $table, $subject_voters, $permlink);
return "VOTERS has been changed successfull";
}else {
return ("VOTERS parsed, but parent article for add VOTE not exist. Requere full re-parse blockchain. \n");
}
}
//Функция проверки принадлежности материала к категории или статье
private function art_or_comment($permlink){
global $db;
$exist_art = $db->getRow('SELECT * FROM art WHERE permlink=?s', $permlink);
if (is_null($exist_art)) {
$exist_comment = $db->getRow('SELECT * FROM comment WHERE permlink=?s', $permlink);
if (!is_null($exist_art)) {
return 'comment';
} else {
return 'NULL';
}
} else {
return 'art';
}
}
/*
* Функия update_category добавляет в базу данных структурированный json, который используется для построения дерева тегов
*/
public function update_category($country, $city, $category, $sub_category){
global $db;
global $config;
$blockchain = $config['blockchain']['name'];
if ($country == '[]'){
$country = 'null';
}
if ($city == '[]'){
$city = 'null';
}
if ($category == '[]'){
$category = 'null';
}
if ($sub_category == '[]'){
$sub_category = 'null';
}
$exist_category = $db->getRow('SELECT * FROM category WHERE country=?s AND blockchain=?s', $country, $blockchain);
//Проверяем на существование рут-категории (страны)
if ($exist_category == NULL){
$data['country'] = $country;
$data['country_json'] = json_encode(['id' => $country, 'parent' => '#', 'text'=> $country], JSON_UNESCAPED_UNICODE);
$data['city_json'] = json_encode(['0' => ['id' => $country . '+' . $city, 'parent' => $country, 'text' => $city]], JSON_UNESCAPED_UNICODE);
$data['category_json'] = json_encode(['0'=>['id' => $country . '+' . $city . "+" . $category, 'parent' => $country . "+" . $city, 'text' => $category]], JSON_UNESCAPED_UNICODE);
$data['sub_category_json'] = json_encode(['0'=>['id' => $country . '+' . $city . "+" . $category . "+" . $sub_category, 'parent' => $country . "+" . $city . "+" . $category, 'text' => $sub_category]], JSON_UNESCAPED_UNICODE);
$data['blockchain'] = $blockchain;
$db->query("INSERT INTO category SET ?u", $data);
} else {
$data['city_json'] = json_decode($exist_category['city_json'], true); //декодируем существующую запись
$data['category_json'] = json_decode($exist_category['category_json'], true); //декодируем существующую запись
$data['sub_category_json'] = json_decode($exist_category['sub_category_json'], true);
$need_update = $this->need_update($data['city_json'], $city);
//проверяем старые элементы в базе на наличие нового элемента
if ($need_update == true){
//если надо обновляться - добавляем один элемент со связями, конвертируем его в json и записываем
$data['city_json'][] = ['id' => $country . '+' . $city, 'parent' => $country, 'text' => $city];
$data['city_json'] = json_encode($data['city_json'], JSON_UNESCAPED_UNICODE);
$db->query("UPDATE category SET city_json=?s WHERE country=?s AND blockchain=?s", $data['city_json'], $country, $blockchain);
}
$need_update = $this->need_update($data['category_json'], $category);
//проверяем старые элементы в базе на наличие нового элемента
if ($need_update == true){
//если надо обновляться - добавляем один элемент со связями, конвертируем его в json и записываем
$data['category_json'][] = ['id' => $country . '+' . $city . "+" . $category, 'parent' => $country . "+" . $city, 'text' => $category];
$data['category_json'] = json_encode($data['category_json'], JSON_UNESCAPED_UNICODE);
$db->query("UPDATE category SET category_json=?s WHERE country=?s AND city=?s AND blockchain=?s", $data['category_json'], $country, $city, $blockchain);
}
$need_update = $this->need_update($data['sub_category_json'], $sub_category);
if ($need_update == true){
$data['sub_category_json'][] = ['id' => $country . '+' . $city . "+" . $category . "+" . $sub_category, 'parent' => $country . "+" . $city . "+" . $category, 'text' => $sub_category];
$data['sub_category_json'] = json_encode($data['sub_category_json'], JSON_UNESCAPED_UNICODE);
$db->query("UPDATE category SET sub_category_json=?s WHERE country=?s AND city=?s AND blockchain=?s", $data['sub_category_json'], $country, $city, $blockchain);
}
}
}
private function need_update($data, $category){
$need_update = true;
foreach ($data as $d){
if ($d['text'] == $category){
$need_update = false;
break;
}
}
return $need_update;
}
public function download_images($permlink, $author, $image_link){
global $config;
global $db;
$db->query("INSERT INTO images SET author =?s, permlink=?s, downloaded=0, url=?s, blockchain=?s ", $author, $permlink, $image_link, $config['blockchain']['name']);
// $arr = array ('author' => $author, 'permlink' => $permlink, 'link' => $image_link);
// $arr = json_encode($arr);
// $f = fopen($config['base_path'] . $config['blockchain']['name'] . '.txt', "a");
// fwrite($f, $arr . " \n");
// fclose($f);
}
public function mc_decrypt($decrypt){
global $config;
$key = $config['key'];
$decrypt = explode('|', $decrypt.'|');
$decoded = base64_decode($decrypt[0]);
$iv = base64_decode($decrypt[1]);
if(strlen($iv)!==mcrypt_get_iv_size(MCRYPT_RIJNDAEL_256, MCRYPT_MODE_CBC)){ return false; }
$key = pack('H*', $key);
$decrypted = trim(mcrypt_decrypt(MCRYPT_RIJNDAEL_256, $key, $decoded, MCRYPT_MODE_CBC, $iv));
$mac = substr($decrypted, -64);
$decrypted = substr($decrypted, 0, -64);
$calcmac = hash_hmac('sha256', $decrypted, substr(bin2hex($key), -32));
if($calcmac!==$mac){ return false; }
$decrypted = unserialize($decrypted);
return $decrypted;
}
public function add_vote_to_trail($voter, $author, $permlink){
global $config;
global $db;
$db->query("INSERT INTO need_vote SET author =?s, voter=?s, permlink=?s, blockchain=?s ", $author, $voter, $permlink, $config['blockchain']['name']);
}
}