YGGo! Distributed Web Search Engine
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<?php
// Current version
define('API_VERSION', 0.1);
// Load system dependencies
require_once('../config/app.php');
require_once('../library/curl.php');
require_once('../library/robots.php');
require_once('../library/filter.php');
require_once('../library/parser.php');
require_once('../library/mysql.php');
require_once('../library/sphinxql.php');
if (API_ENABLED) {
// Action
switch (!empty($_GET['action']) ? $_GET['action'] : false) {
// Search API
case 'search';
if (API_SEARCH_ENABLED) {
// Connect database
$db = new MySQL(DB_HOST, DB_PORT, DB_NAME, DB_USERNAME, DB_PASSWORD);
// Connect Sphinx search server
$sphinx = new SphinxQL(SPHINX_HOST, SPHINX_PORT);
// Filter request data
$query = !empty($_GET['query']) ? Filter::url($_GET['query']) : '';
$page = !empty($_GET['page']) ? Filter::url($_GET['page']) : 1;
// Make search request
$sphinxResultsTotal = $sphinx->searchHostPagesTotal('"' . $query . '"');
$sphinxResults = $sphinx->searchHostPages('"' . $query . '"', $page * API_SEARCH_PAGINATION_RESULTS_LIMIT - API_SEARCH_PAGINATION_RESULTS_LIMIT, API_SEARCH_PAGINATION_RESULTS_LIMIT, $sphinxResultsTotal);
// Generate results
$dbResults = [];
foreach ($sphinxResults as $i => $sphinxResult) {
if ($hostPage = $db->getFoundHostPage($sphinxResult->id)) {
$dbResults[$i] = $hostPage;
$dbResults[$i]->weight = $sphinxResult->weight;
}
}
// Make response
$response = [
'status' => true,
'totals' => $sphinxResultsTotal,
'result' => $dbResults,
];
} else {
$response = [
'status' => false,
'result' => [],
];
}
break;
// Host API
case 'hosts';
if (API_HOSTS_ENABLED) {
// Connect database
$db = new MySQL(DB_HOST, DB_PORT, DB_NAME, DB_USERNAME, DB_PASSWORD);
$response = [
'status' => true,
'totals' => $db->getTotalHosts(),
'result' => $db->getAPIHosts(API_HOSTS_FIELDS),
];
} else {
$response = [
'status' => false,
'result' => [],
];
}
break;
// Manifest API
case 'manifest';
if (API_MANIFEST_ENABLED) {
$response = [
'status' => true,
'result' => [
'APPLICATION_NAME' => APPLICATION_NAME,
'WEBSITE_DOMAIN' => WEBSITE_DOMAIN,
'CRAWL_URL_REGEXP' => CRAWL_URL_REGEXP,
'CRAWL_HOST_DEFAULT_PAGES_LIMIT' => CRAWL_HOST_DEFAULT_PAGES_LIMIT,
'CRAWL_HOST_DEFAULT_STATUS' => CRAWL_HOST_DEFAULT_STATUS,
'CRAWL_HOST_DEFAULT_META_ONLY' => CRAWL_HOST_DEFAULT_META_ONLY,
'CLEAN_HOST_SECONDS_OFFSET' => CLEAN_HOST_SECONDS_OFFSET,
'CRAWL_PAGE_SECONDS_OFFSET' => CRAWL_PAGE_SECONDS_OFFSET,
'CRAWL_ROBOTS_DEFAULT_RULES' => CRAWL_ROBOTS_DEFAULT_RULES,
'CRAWL_ROBOTS_POSTFIX_RULES' => CRAWL_ROBOTS_POSTFIX_RULES,
'API_VERSION' => API_VERSION,
'API_ENABLED' => API_ENABLED,
'API_SEARCH_ENABLED' => API_SEARCH_ENABLED,
'API_HOSTS_ENABLED' => API_HOSTS_ENABLED,
],
];
} else {
$response = [
'status' => false,
'result' => [],
];
}
break;
default:
$response = [
'status' => false,
'message' => _('Undefined API action request.'),
];
}
} else {
$response = [
'status' => false,
'message' => _('API requests disabled by the node owner.'),
];
}
// Output
header('Content-Type: application/json; charset=utf-8');
echo json_encode($response);