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php-phpbb/phpBB/phpbb/search/backend/fulltext_sphinx.php

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<?php
/**
*
* This file is part of the phpBB Forum Software package.
*
* @copyright (c) phpBB Limited <https://www.phpbb.com>
* @license GNU General Public License, version 2 (GPL-2.0)
*
* For full copyright and license information, please see
* the docs/CREDITS.txt file.
*
*/
namespace phpbb\search\backend;
use phpbb\auth\auth;
use phpbb\config\config;
use phpbb\db\driver\driver_interface;
use phpbb\db\tools\tools_interface;
use phpbb\event\dispatcher_interface;
use phpbb\language\language;
use phpbb\log\log;
use phpbb\user;
/**
* Fulltext search based on the sphinx search daemon
*/
class fulltext_sphinx implements search_backend_interface
{
protected const SPHINX_MAX_MATCHES = 20000;
protected const SPHINX_CONNECT_RETRIES = 3;
protected const SPHINX_CONNECT_WAIT_TIME = 300;
/**
* Associative array holding index stats
* @var array
*/
protected $stats = array();
/**
* Holds the words entered by user, obtained by splitting the entered query on whitespace
* @var array
*/
protected $split_words = array();
/**
* Holds unique sphinx id
* @var string
*/
protected $id;
/**
* Stores the names of both main and delta sphinx indexes
* separated by a semicolon
* @var string
*/
protected $indexes;
/**
* Sphinx searchd client object
* @var SphinxClient
*/
protected $sphinx;
/**
* Relative path to board root
* @var string
*/
protected $phpbb_root_path;
/**
* PHP Extension
* @var string
*/
protected $php_ext;
/**
* Auth object
* @var auth
*/
protected $auth;
/**
* Config object
* @var config
*/
protected $config;
/**
* Database connection
* @var driver_interface
*/
protected $db;
/**
* Database Tools object
* @var tools_interface
*/
protected $db_tools;
/**
* Stores the database type if supported by sphinx
* @var string
*/
protected $dbtype;
/**
* phpBB event dispatcher object
* @var dispatcher_interface
*/
protected $phpbb_dispatcher;
/**
* @var language
*/
protected $language;
/**
* @var log
*/
protected $log;
/**
* User object
* @var user
*/
protected $user;
/**
* Stores the generated content of the sphinx config file
* @var string
*/
protected $config_file_data = '';
/**
* Contains tidied search query.
* Operators are prefixed in search query and common words excluded
* @var string
*/
protected $search_query = '';
/**
* Constructor
* Creates a new \phpbb\search\backend\fulltext_postgres, which is used as a search backend
*
* @param auth $auth Auth object
* @param config $config Config object
* @param driver_interface $db Database object
* @param tools_interface $db_tools
* @param dispatcher_interface $phpbb_dispatcher Event dispatcher object
* @param language $language
* @param log $log
* @param user $user User object
* @param string $phpbb_root_path Relative path to phpBB root
* @param string $phpEx PHP file extension
*/
public function __construct(auth $auth, config $config, driver_interface $db, tools_interface $db_tools, dispatcher_interface $phpbb_dispatcher, language $language, log $log, user $user, string $phpbb_root_path, string $phpEx)
{
$this->auth = $auth;
$this->config = $config;
$this->db = $db;
$this->phpbb_dispatcher = $phpbb_dispatcher;
$this->language = $language;
$this->log = $log;
$this->user = $user;
$this->phpbb_root_path = $phpbb_root_path;
$this->php_ext = $phpEx;
$this->db_tools = $db_tools;
if (!$this->config['fulltext_sphinx_id'])
{
$this->config->set('fulltext_sphinx_id', unique_id());
}
$this->id = $this->config['fulltext_sphinx_id'];
$this->indexes = 'index_phpbb_' . $this->id . '_delta;index_phpbb_' . $this->id . '_main';
if (!class_exists('SphinxClient'))
{
require($this->phpbb_root_path . 'includes/sphinxapi.' . $this->php_ext);
}
// Initialize sphinx client
$this->sphinx = new \SphinxClient();
$this->sphinx->SetServer(($this->config['fulltext_sphinx_host'] ? $this->config['fulltext_sphinx_host'] : 'localhost'), ($this->config['fulltext_sphinx_port'] ? (int) $this->config['fulltext_sphinx_port'] : 9312));
}
/**
* {@inheritdoc}
*/
public function get_name(): string
{
return 'Sphinx Fulltext';
}
/**
* {@inheritdoc}
*/
public function is_available(): bool
{
return ($this->db->get_sql_layer() == 'mysqli' || $this->db->get_sql_layer() == 'postgres') && class_exists('SphinxClient');
}
/**
* {@inheritdoc}
*/
public function init()
{
if (!$this->is_available())
{
return $this->language->lang('FULLTEXT_SPHINX_WRONG_DATABASE');
}
// Move delta to main index each hour
$this->config->set('search_gc', 3600);
return false;
}
/**
* {@inheritdoc}
*/
public function get_search_query(): string
{
return $this->search_query;
}
/**
* {@inheritdoc}
*/
public function get_common_words(): array
{
return array();
}
/**
* {@inheritdoc}
*/
public function get_word_length()
{
return false;
}
/**
* {@inheritdoc}
*/
public function split_keywords(string &$keywords, string $terms): bool
{
// Keep quotes and new lines
$keywords = str_replace(['&quot;', "\n"], ['"', ' '], trim($keywords));
if ($terms == 'all')
{
// Replaces verbal operators OR and NOT with special characters | and -, unless appearing within quotation marks
$match = ['#\sor\s(?=([^"]*"[^"]*")*[^"]*$)#i', '#\snot\s(?=([^"]*"[^"]*")*[^"]*$)#i'];
$replace = [' | ', ' -'];
$keywords = preg_replace($match, $replace, $keywords);
$this->sphinx->SetMatchMode(SPH_MATCH_EXTENDED);
}
else
{
$match = ['\\', '(',')', '|', '!', '@', '~', '/', '^', '$', '=', '&amp;', '&lt;', '&gt;'];
$keywords = str_replace($match, ' ', $keywords);
$this->sphinx->SetMatchMode(SPH_MATCH_ANY);
}
if (strlen($keywords) > 0)
{
$this->search_query = str_replace('"', '&quot;', $keywords);
return true;
}
return false;
}
/**
* {@inheritdoc}
*/
public function keyword_search(string $type, string $fields, string $terms, array $sort_by_sql, string $sort_key, string $sort_dir, string $sort_days, array $ex_fid_ary, string $post_visibility, int $topic_id, array $author_ary, string $author_name, array &$id_ary, int &$start, int $per_page)
{
// No keywords? No posts.
if (!strlen($this->search_query) && !count($author_ary))
{
return false;
}
$id_ary = array();
// Sorting
if ($type == 'topics')
{
switch ($sort_key)
{
case 'a':
$this->sphinx->SetGroupBy('topic_id', SPH_GROUPBY_ATTR, 'poster_id ' . (($sort_dir == 'a') ? 'ASC' : 'DESC'));
break;
case 'f':
$this->sphinx->SetGroupBy('topic_id', SPH_GROUPBY_ATTR, 'forum_id ' . (($sort_dir == 'a') ? 'ASC' : 'DESC'));
break;
case 'i':
case 's':
$this->sphinx->SetGroupBy('topic_id', SPH_GROUPBY_ATTR, 'post_subject ' . (($sort_dir == 'a') ? 'ASC' : 'DESC'));
break;
case 't':
default:
$this->sphinx->SetGroupBy('topic_id', SPH_GROUPBY_ATTR, 'topic_last_post_time ' . (($sort_dir == 'a') ? 'ASC' : 'DESC'));
break;
}
}
else
{
switch ($sort_key)
{
case 'a':
$this->sphinx->SetSortMode(($sort_dir == 'a') ? SPH_SORT_ATTR_ASC : SPH_SORT_ATTR_DESC, 'poster_id');
break;
case 'f':
$this->sphinx->SetSortMode(($sort_dir == 'a') ? SPH_SORT_ATTR_ASC : SPH_SORT_ATTR_DESC, 'forum_id');
break;
case 'i':
case 's':
$this->sphinx->SetSortMode(($sort_dir == 'a') ? SPH_SORT_ATTR_ASC : SPH_SORT_ATTR_DESC, 'post_subject');
break;
case 't':
default:
$this->sphinx->SetSortMode(($sort_dir == 'a') ? SPH_SORT_ATTR_ASC : SPH_SORT_ATTR_DESC, 'post_time');
break;
}
}
// Most narrow filters first
if ($topic_id)
{
$this->sphinx->SetFilter('topic_id', array($topic_id));
}
/**
* Allow modifying the Sphinx search options
*
* @event core.search_sphinx_keywords_modify_options
* @var string type Searching type ('posts', 'topics')
* @var string fields Searching fields ('titleonly', 'msgonly', 'firstpost', 'all')
* @var string terms Searching terms ('all', 'any')
* @var int sort_days Time, in days, of the oldest possible post to list
* @var string sort_key The sort type used from the possible sort types
* @var int topic_id Limit the search to this topic_id only
* @var array ex_fid_ary Which forums not to search on
* @var string post_visibility Post visibility data
* @var array author_ary Array of user_id containing the users to filter the results to
* @var string author_name The username to search on
* @var object sphinx The Sphinx searchd client object
* @since 3.1.7-RC1
*/
$sphinx = $this->sphinx;
$vars = array(
'type',
'fields',
'terms',
'sort_days',
'sort_key',
'topic_id',
'ex_fid_ary',
'post_visibility',
'author_ary',
'author_name',
'sphinx',
);
extract($this->phpbb_dispatcher->trigger_event('core.search_sphinx_keywords_modify_options', compact($vars)));
$this->sphinx = $sphinx;
unset($sphinx);
$search_query_prefix = '';
switch ($fields)
{
case 'titleonly':
// Only search the title
if ($terms == 'all')
{
$search_query_prefix = '@title ';
}
// Weight for the title
$this->sphinx->SetFieldWeights(array("title" => 5, "data" => 1));
// 1 is first_post, 0 is not first post
$this->sphinx->SetFilter('topic_first_post', array(1));
break;
case 'msgonly':
// Only search the body
if ($terms == 'all')
{
$search_query_prefix = '@data ';
}
// Weight for the body
$this->sphinx->SetFieldWeights(array("title" => 1, "data" => 5));
break;
case 'firstpost':
// More relative weight for the title, also search the body
$this->sphinx->SetFieldWeights(array("title" => 5, "data" => 1));
// 1 is first_post, 0 is not first post
$this->sphinx->SetFilter('topic_first_post', array(1));
break;
default:
// More relative weight for the title, also search the body
$this->sphinx->SetFieldWeights(array("title" => 5, "data" => 1));
break;
}
if (count($author_ary))
{
$this->sphinx->SetFilter('poster_id', $author_ary);
}
// As this is not simply possible at the moment, we limit the result to approved posts.
// This will make it impossible for moderators to search unapproved and softdeleted posts,
// but at least it will also cause the same for normal users.
$this->sphinx->SetFilter('post_visibility', array(ITEM_APPROVED));
if (count($ex_fid_ary))
{
// All forums that a user is allowed to access
$fid_ary = array_unique(array_intersect(array_keys($this->auth->acl_getf('f_read', true)), array_keys($this->auth->acl_getf('f_search', true))));
// All forums that the user wants to and can search in
$search_forums = array_diff($fid_ary, $ex_fid_ary);
if (count($search_forums))
{
$this->sphinx->SetFilter('forum_id', $search_forums);
}
}
$this->sphinx->SetFilter('deleted', array(0));
$this->sphinx->SetLimits((int) $start, (int) $per_page, max(self::SPHINX_MAX_MATCHES, (int) $start + $per_page));
$result = $this->sphinx->Query($search_query_prefix . $this->sphinx_clean_search_string(str_replace('&quot;', '"', $this->search_query)), $this->indexes);
// Could be connection to localhost:9312 failed (errno=111,
// msg=Connection refused) during rotate, retry if so
$retries = self::SPHINX_CONNECT_RETRIES;
while (!$result && (strpos($this->sphinx->GetLastError(), "errno=111,") !== false) && $retries--)
{
usleep(self::SPHINX_CONNECT_WAIT_TIME);
$result = $this->sphinx->Query($search_query_prefix . $this->sphinx_clean_search_string(str_replace('&quot;', '"', $this->search_query)), $this->indexes);
}
if ($this->sphinx->GetLastError())
{
$this->log->add('critical', $this->user->data['user_id'], $this->user->ip, 'LOG_SPHINX_ERROR', false, array($this->sphinx->GetLastError()));
if ($this->auth->acl_get('a_'))
{
trigger_error($this->language->lang('SPHINX_SEARCH_FAILED', $this->sphinx->GetLastError()));
}
else
{
trigger_error($this->language->lang('SPHINX_SEARCH_FAILED_LOG'));
}
}
$result_count = $result['total_found'];
if ($result_count && $start >= $result_count)
{
$start = floor(($result_count - 1) / $per_page) * $per_page;
$this->sphinx->SetLimits((int) $start, (int) $per_page, max(self::SPHINX_MAX_MATCHES, (int) $start + $per_page));
$result = $this->sphinx->Query($search_query_prefix . $this->sphinx_clean_search_string(str_replace('&quot;', '"', $this->search_query)), $this->indexes);
// Could be connection to localhost:9312 failed (errno=111,
// msg=Connection refused) during rotate, retry if so
$retries = self::SPHINX_CONNECT_RETRIES;
while (!$result && (strpos($this->sphinx->GetLastError(), "errno=111,") !== false) && $retries--)
{
usleep(self::SPHINX_CONNECT_WAIT_TIME);
$result = $this->sphinx->Query($search_query_prefix . $this->sphinx_clean_search_string(str_replace('&quot;', '"', $this->search_query)), $this->indexes);
}
}
$id_ary = array();
if (isset($result['matches']))
{
if ($type == 'posts')
{
$id_ary = array_keys($result['matches']);
}
else
{
foreach ($result['matches'] as $key => $value)
{
$id_ary[] = $value['attrs']['topic_id'];
}
}
}
else
{
return false;
}
$id_ary = array_slice($id_ary, 0, (int) $per_page);
return $result_count;
}
/**
* {@inheritdoc}
*/
public function author_search(string $type, bool $firstpost_only, array $sort_by_sql, string $sort_key, string $sort_dir, string $sort_days, array $ex_fid_ary, string $post_visibility, int $topic_id, array $author_ary, string $author_name, array &$id_ary, int &$start, int $per_page)
{
$this->search_query = '';
$this->sphinx->SetMatchMode(SPH_MATCH_FULLSCAN);
$fields = ($firstpost_only) ? 'firstpost' : 'all';
$terms = 'all';
return $this->keyword_search($type, $fields, $terms, $sort_by_sql, $sort_key, $sort_dir, $sort_days, $ex_fid_ary, $post_visibility, $topic_id, $author_ary, $author_name, $id_ary, $start, $per_page);
}
/**
* {@inheritdoc}
*/
public function supports_phrase_search(): bool
{
return false;
}
/**
* {@inheritdoc}
*/
public function index(string $mode, int $post_id, string &$message, string &$subject, int $poster_id, int $forum_id)
{
/**
* Event to modify method arguments before the Sphinx search index is updated
*
* @event core.search_sphinx_index_before
* @var string mode Contains the post mode: edit, post, reply, quote
* @var int post_id The id of the post which is modified/created
* @var string message New or updated post content
* @var string subject New or updated post subject
* @var int poster_id Post author's user id
* @var int forum_id The id of the forum in which the post is located
* @since 3.2.3-RC1
*/
$vars = array(
'mode',
'post_id',
'message',
'subject',
'poster_id',
'forum_id',
);
extract($this->phpbb_dispatcher->trigger_event('core.search_sphinx_index_before', compact($vars)));
if ($mode == 'edit')
{
$this->sphinx->UpdateAttributes($this->indexes, array('forum_id', 'poster_id'), array((int) $post_id => array((int) $forum_id, (int) $poster_id)));
}
else if ($mode != 'post' && $post_id)
{
// Update topic_last_post_time for full topic
$sql_array = array(
'SELECT' => 'p1.post_id',
'FROM' => array(
POSTS_TABLE => 'p1',
),
'LEFT_JOIN' => array(array(
'FROM' => array(
POSTS_TABLE => 'p2'
),
'ON' => 'p1.topic_id = p2.topic_id',
)),
'WHERE' => 'p2.post_id = ' . ((int) $post_id),
);
$sql = $this->db->sql_build_query('SELECT', $sql_array);
$result = $this->db->sql_query($sql);
$post_updates = array();
$post_time = time();
while ($row = $this->db->sql_fetchrow($result))
{
$post_updates[(int) $row['post_id']] = array($post_time);
}
$this->db->sql_freeresult($result);
if (count($post_updates))
{
$this->sphinx->UpdateAttributes($this->indexes, array('topic_last_post_time'), $post_updates);
}
}
}
/**
* {@inheritdoc}
*/
public function index_remove(array $post_ids, array $author_ids, array $forum_ids): void
{
$values = array();
foreach ($post_ids as $post_id)
{
$values[$post_id] = array(1);
}
$this->sphinx->UpdateAttributes($this->indexes, array('deleted'), $values);
}
/**
* Nothing needs to be destroyed
*/
public function tidy(): void
{
$this->config->set('search_last_gc', time(), false);
}
/**
* {@inheritdoc}
*/
public function create_index(int &$post_counter = 0): ?array
{
if ($this->index_created())
{
$table_data = array(
'COLUMNS' => array(
'counter_id' => array('UINT', 0),
'max_doc_id' => array('UINT', 0),
),
'PRIMARY_KEY' => 'counter_id',
);
$this->db_tools->sql_create_table(SPHINX_TABLE, $table_data);
$sql = 'TRUNCATE TABLE ' . SPHINX_TABLE;
$this->db->sql_query($sql);
$data = array(
'counter_id' => '1',
'max_doc_id' => '0',
);
$sql = 'INSERT INTO ' . SPHINX_TABLE . ' ' . $this->db->sql_build_array('INSERT', $data);
$this->db->sql_query($sql);
}
return null;
}
/**
* {@inheritdoc}
*/
public function delete_index(int &$post_counter = null): ?array
{
if ($this->index_created())
{
$this->db_tools->sql_table_drop(SPHINX_TABLE);
}
return null;
}
/**
* {@inheritdoc}
*/
public function index_created($allow_new_files = true): bool
{
$created = false;
if ($this->db_tools->sql_table_exists(SPHINX_TABLE))
{
$created = true;
}
return $created;
}
/**
* {@inheritdoc}
*/
public function index_stats()
{
if (empty($this->stats))
{
$this->get_stats();
}
return array(
$this->language->lang('FULLTEXT_SPHINX_MAIN_POSTS') => ($this->index_created()) ? $this->stats['main_posts'] : 0,
$this->language->lang('FULLTEXT_SPHINX_DELTA_POSTS') => ($this->index_created()) ? $this->stats['total_posts'] - $this->stats['main_posts'] : 0,
$this->language->lang('FULLTEXT_MYSQL_TOTAL_POSTS') => ($this->index_created()) ? $this->stats['total_posts'] : 0,
);
}
/**
* Computes the stats and store them in the $this->stats associative array
*/
protected function get_stats()
{
if ($this->index_created())
{
$sql = 'SELECT COUNT(post_id) as total_posts
FROM ' . POSTS_TABLE;
$result = $this->db->sql_query($sql);
$this->stats['total_posts'] = (int) $this->db->sql_fetchfield('total_posts');
$this->db->sql_freeresult($result);
$sql = 'SELECT COUNT(p.post_id) as main_posts
FROM ' . POSTS_TABLE . ' p, ' . SPHINX_TABLE . ' m
WHERE p.post_id <= m.max_doc_id
AND m.counter_id = 1';
$result = $this->db->sql_query($sql);
$this->stats['main_posts'] = (int) $this->db->sql_fetchfield('main_posts');
$this->db->sql_freeresult($result);
}
}
/**
* Cleans search query passed into Sphinx search engine, as follows:
* 1. Hyphenated words are replaced with keyword search for either the exact phrase with spaces
* or as a single word without spaces eg search for "know-it-all" becomes ("know it all"|"knowitall*")
* 2. Words with apostrophes are contracted eg "it's" becomes "its"
* 3. <, >, " and & are decoded from HTML entities.
* 4. Following special characters used as search operators in Sphinx are preserved when used with correct syntax:
* (a) quorum matching: "the world is a wonderful place"/3
* Finds 3 of the words within the phrase. Number must be between 1 and 9.
* (b) proximity search: "hello world"~10
* Finds hello and world within 10 words of each other. Number can be between 1 and 99.
* (c) strict word order: aaa << bbb << ccc
* Finds "aaa" only where it appears before "bbb" and only where "bbb" appears before "ccc".
* (d) exact match operator: if lemmatizer or stemming enabled,
* search will find exact match only and ignore other grammatical forms of the same word stem.
* eg. raining =cats and =dogs
* will not return "raining cat and dog"
* eg. ="search this exact phrase"
* will not return "searched this exact phrase", "searching these exact phrases".
* 5. Special characters /, ~, << and = not complying with the correct syntax
* and other reserved operators are escaped and searched literally.
* Special characters not explicitly listed in charset_table or blend_chars in sphinx.conf
* will not be indexed and keywords containing them will be ignored by Sphinx.
* By default, only $, %, & and @ characters are indexed and searchable.
* String transformation is in backend only and not visible to the end user
* nor reflected in the results page URL or keyword highlighting.
*
* @param string $search_string
* @return string
*/
protected function sphinx_clean_search_string($search_string)
{
$from = ['@', '^', '$', '!', '&lt;', '&gt;', '&quot;', '&amp;', '\''];
$to = ['\@', '\^', '\$', '\!', '<', '>', '"', '&', ''];
$search_string = str_replace($from, $to, $search_string);
$search_string = strrev($search_string);
$search_string = preg_replace(['#\/(?!"[^"]+")#', '#~(?!"[^"]+")#'], ['/\\', '~\\'], $search_string);
$search_string = strrev($search_string);
$match = ['#(/|\\\\/)(?![1-9](\s|$))#', '#(~|\\\\~)(?!\d{1,2}(\s|$))#', '#((?:\p{L}|\p{N})+)-((?:\p{L}|\p{N})+)(?:-((?:\p{L}|\p{N})+))?(?:-((?:\p{L}|\p{N})+))?#i', '#<<\s*$#', '#(\S\K=|=(?=\s)|=$)#'];
$replace = ['\/', '\~', '("$1 $2 $3 $4"|$1$2$3$4*)', '\<\<', '\='];
$search_string = preg_replace($match, $replace, $search_string);
$search_string = preg_replace('#\s+"\|#', '"|', $search_string);
/**
* OPTIONAL: Thousands separator stripped from numbers, eg search for '90,000' is queried as '90000'.
* By default commas are stripped from search index so that '90,000' is indexed as '90000'
*/
// $search_string = preg_replace('#[0-9]{1,3}\K,(?=[0-9]{3})#', '', $search_string);
return $search_string;
}
/**
* {@inheritdoc}
*/
public function get_acp_options(): array
{
$config_vars = array(
'fulltext_sphinx_data_path' => 'string',
'fulltext_sphinx_host' => 'string',
'fulltext_sphinx_port' => 'string',
'fulltext_sphinx_indexer_mem_limit' => 'int',
);
$tpl = '
<span class="error">' . $this->language->lang('FULLTEXT_SPHINX_CONFIGURE'). '</span>
<dl>
<dt><label for="fulltext_sphinx_data_path">' . $this->language->lang('FULLTEXT_SPHINX_DATA_PATH') . $this->language->lang('COLON') . '</label><br /><span>' . $this->language->lang('FULLTEXT_SPHINX_DATA_PATH_EXPLAIN') . '</span></dt>
<dd><input id="fulltext_sphinx_data_path" type="text" size="40" maxlength="255" name="config[fulltext_sphinx_data_path]" value="' . $this->config['fulltext_sphinx_data_path'] . '" /></dd>
</dl>
<dl>
<dt><label for="fulltext_sphinx_host">' . $this->language->lang('FULLTEXT_SPHINX_HOST') . $this->language->lang('COLON') . '</label><br /><span>' . $this->language->lang('FULLTEXT_SPHINX_HOST_EXPLAIN') . '</span></dt>
<dd><input id="fulltext_sphinx_host" type="text" size="40" maxlength="255" name="config[fulltext_sphinx_host]" value="' . $this->config['fulltext_sphinx_host'] . '" /></dd>
</dl>
<dl>
<dt><label for="fulltext_sphinx_port">' . $this->language->lang('FULLTEXT_SPHINX_PORT') . $this->language->lang('COLON') . '</label><br /><span>' . $this->language->lang('FULLTEXT_SPHINX_PORT_EXPLAIN') . '</span></dt>
<dd><input id="fulltext_sphinx_port" type="number" min="0" max="9999999999" name="config[fulltext_sphinx_port]" value="' . $this->config['fulltext_sphinx_port'] . '" /></dd>
</dl>
<dl>
<dt><label for="fulltext_sphinx_indexer_mem_limit">' . $this->language->lang('FULLTEXT_SPHINX_INDEXER_MEM_LIMIT') . $this->language->lang('COLON') . '</label><br /><span>' . $this->language->lang('FULLTEXT_SPHINX_INDEXER_MEM_LIMIT_EXPLAIN') . '</span></dt>
<dd><input id="fulltext_sphinx_indexer_mem_limit" type="number" min="0" max="9999999999" name="config[fulltext_sphinx_indexer_mem_limit]" value="' . $this->config['fulltext_sphinx_indexer_mem_limit'] . '" /> ' . $this->language->lang('MIB') . '</dd>
</dl>
<dl>
<dt><label for="fulltext_sphinx_config_file">' . $this->language->lang('FULLTEXT_SPHINX_CONFIG_FILE') . $this->language->lang('COLON') . '</label><br /><span>' . $this->language->lang('FULLTEXT_SPHINX_CONFIG_FILE_EXPLAIN') . '</span></dt>
<dd>' . (($this->config_generate()) ? '<textarea readonly="readonly" rows="6" id="sphinx_config_data">' . htmlspecialchars($this->config_file_data, ENT_COMPAT) . '</textarea>' : $this->config_file_data) . '</dd>
<dl>
';
// These are fields required in the config table
return array(
'tpl' => $tpl,
'config' => $config_vars
);
}
/**
* Generates content of sphinx.conf
*
* @return bool True if sphinx.conf content is correctly generated, false otherwise
*/
protected function config_generate()
{
// Check if Database is supported by Sphinx
if ($this->db->get_sql_layer() == 'mysqli')
{
$this->dbtype = 'mysql';
}
else if ($this->db->get_sql_layer() == 'postgres')
{
$this->dbtype = 'pgsql';
}
else
{
$this->config_file_data = $this->language->lang('FULLTEXT_SPHINX_WRONG_DATABASE');
return false;
}
// Check if directory paths have been filled
if (!$this->config['fulltext_sphinx_data_path'])
{
$this->config_file_data = $this->language->lang('FULLTEXT_SPHINX_NO_CONFIG_DATA');
return false;
}
include($this->phpbb_root_path . 'config.' . $this->php_ext);
/* Now that we're sure everything was entered correctly,
generate a config for the index. We use a config value
fulltext_sphinx_id for this, as it should be unique. */
$config_object = new \phpbb\search\sphinx\config($this->config_file_data);
$config_data = array(
'source source_phpbb_' . $this->id . '_main' => array(
array('type', $this->dbtype . ' # mysql or pgsql'),
// This config value sql_host needs to be changed incase sphinx and sql are on different servers
array('sql_host', $dbhost . ' # SQL server host sphinx connects to'),
array('sql_user', '[dbuser]'),
array('sql_pass', '[dbpassword]'),
array('sql_db', $dbname),
array('sql_port', $dbport . ' # optional, default is 3306 for mysql and 5432 for pgsql'),
array('sql_query_pre', 'SET NAMES \'utf8\''),
array('sql_query_pre', 'UPDATE ' . SPHINX_TABLE . ' SET max_doc_id = (SELECT MAX(post_id) FROM ' . POSTS_TABLE . ') WHERE counter_id = 1'),
array('sql_query_range', 'SELECT MIN(post_id), MAX(post_id) FROM ' . POSTS_TABLE . ''),
array('sql_range_step', '5000'),
array('sql_query', 'SELECT
p.post_id AS id,
p.forum_id,
p.topic_id,
p.poster_id,
p.post_visibility,
CASE WHEN p.post_id = t.topic_first_post_id THEN 1 ELSE 0 END as topic_first_post,
p.post_time,
p.post_subject,
p.post_subject as title,
p.post_text as data,
t.topic_last_post_time,
0 as deleted
FROM ' . POSTS_TABLE . ' p, ' . TOPICS_TABLE . ' t
WHERE
p.topic_id = t.topic_id
AND p.post_id >= $start AND p.post_id <= $end'),
array('sql_query_post', ''),
array('sql_query_post_index', 'UPDATE ' . SPHINX_TABLE . ' SET max_doc_id = $maxid WHERE counter_id = 1'),
array('sql_attr_uint', 'forum_id'),
array('sql_attr_uint', 'topic_id'),
array('sql_attr_uint', 'poster_id'),
array('sql_attr_uint', 'post_visibility'),
array('sql_attr_bool', 'topic_first_post'),
array('sql_attr_bool', 'deleted'),
array('sql_attr_timestamp', 'post_time'),
array('sql_attr_timestamp', 'topic_last_post_time'),
array('sql_attr_string', 'post_subject'),
),
'source source_phpbb_' . $this->id . '_delta : source_phpbb_' . $this->id . '_main' => array(
array('sql_query_pre', 'SET NAMES \'utf8\''),
array('sql_query_range', ''),
array('sql_range_step', ''),
array('sql_query', 'SELECT
p.post_id AS id,
p.forum_id,
p.topic_id,
p.poster_id,
p.post_visibility,
CASE WHEN p.post_id = t.topic_first_post_id THEN 1 ELSE 0 END as topic_first_post,
p.post_time,
p.post_subject,
p.post_subject as title,
p.post_text as data,
t.topic_last_post_time,
0 as deleted
FROM ' . POSTS_TABLE . ' p, ' . TOPICS_TABLE . ' t
WHERE
p.topic_id = t.topic_id
AND p.post_id >= ( SELECT max_doc_id FROM ' . SPHINX_TABLE . ' WHERE counter_id=1 )'),
array('sql_query_post_index', ''),
),
'index index_phpbb_' . $this->id . '_main' => array(
array('path', $this->config['fulltext_sphinx_data_path'] . 'index_phpbb_' . $this->id . '_main'),
array('source', 'source_phpbb_' . $this->id . '_main'),
array('docinfo', 'extern'),
array('morphology', 'none'),
array('stopwords', ''),
array('wordforms', ' # optional, specify path to wordforms file. See ./docs/sphinx_wordforms.txt for example'),
array('exceptions', ' # optional, specify path to exceptions file. See ./docs/sphinx_exceptions.txt for example'),
array('min_word_len', '2'),
array('charset_table', 'U+FF10..U+FF19->0..9, 0..9, U+FF41..U+FF5A->a..z, U+FF21..U+FF3A->a..z, A..Z->a..z, a..z, U+0149, U+017F, U+0138, U+00DF, U+00FF, U+00C0..U+00D6->U+00E0..U+00F6, U+00E0..U+00F6, U+00D8..U+00DE->U+00F8..U+00FE, U+00F8..U+00FE, U+0100->U+0101, U+0101, U+0102->U+0103, U+0103, U+0104->U+0105, U+0105, U+0106->U+0107, U+0107, U+0108->U+0109, U+0109, U+010A->U+010B, U+010B, U+010C->U+010D, U+010D, U+010E->U+010F, U+010F, U+0110->U+0111, U+0111, U+0112->U+0113, U+0113, U+0114->U+0115, U+0115, U+0116->U+0117, U+0117, U+0118->U+0119, U+0119, U+011A->U+011B, U+011B, U+011C->U+011D, U+011D, U+011E->U+011F, U+011F, U+0130->U+0131, U+0131, U+0132->U+0133, U+0133, U+0134->U+0135, U+0135, U+0136->U+0137, U+0137, U+0139->U+013A, U+013A, U+013B->U+013C, U+013C, U+013D->U+013E, U+013E, U+013F->U+0140, U+0140, U+0141->U+0142, U+0142, U+0143->U+0144, U+0144, U+0145->U+0146, U+0146, U+0147->U+0148, U+0148, U+014A->U+014B, U+014B, U+014C->U+014D, U+014D, U+014E->U+014F, U+014F, U+0150->U+0151, U+0151, U+0152->U+0153, U+0153, U+0154->U+0155, U+0155, U+0156->U+0157, U+0157, U+0158->U+0159, U+0159, U+015A->U+015B, U+015B, U+015C->U+015D, U+015D, U+015E->U+015F, U+015F, U+0160->U+0161, U+0161, U+0162->U+0163, U+0163, U+0164->U+0165, U+0165, U+0166->U+0167, U+0167, U+0168->U+0169, U+0169, U+016A->U+016B, U+016B, U+016C->U+016D, U+016D, U+016E->U+016F, U+016F, U+0170->U+0171, U+0171, U+0172->U+0173, U+0173, U+0174->U+0175, U+0175, U+0176->U+0177, U+0177, U+0178->U+00FF, U+00FF, U+0179->U+017A, U+017A, U+017B->U+017C, U+017C, U+017D->U+017E, U+017E, U+0410..U+042F->U+0430..U+044F, U+0430..U+044F, U+4E00..U+9FFF'),
array('ignore_chars', 'U+0027, U+002C'),
array('min_prefix_len', '3 # Minimum number of characters for wildcard searches by prefix (min 1). Default is 3. If specified, set min_infix_len to 0'),
array('min_infix_len', '0 # Minimum number of characters for wildcard searches by infix (min 2). If specified, set min_prefix_len to 0'),
array('html_strip', '1'),
array('index_exact_words', '0 # Set to 1 to enable exact search operator. Requires wordforms or morphology'),
array('blend_chars', 'U+23, U+24, U+25, U+26, U+40'),
),
'index index_phpbb_' . $this->id . '_delta : index_phpbb_' . $this->id . '_main' => array(
array('path', $this->config['fulltext_sphinx_data_path'] . 'index_phpbb_' . $this->id . '_delta'),
array('source', 'source_phpbb_' . $this->id . '_delta'),
),
'indexer' => array(
array('mem_limit', $this->config['fulltext_sphinx_indexer_mem_limit'] . 'M'),
),
'searchd' => array(
array('listen' , ($this->config['fulltext_sphinx_host'] ? $this->config['fulltext_sphinx_host'] : 'localhost') . ':' . ($this->config['fulltext_sphinx_port'] ? $this->config['fulltext_sphinx_port'] : '9312')),
array('log', $this->config['fulltext_sphinx_data_path'] . 'log/searchd.log'),
array('query_log', $this->config['fulltext_sphinx_data_path'] . 'log/sphinx-query.log'),
array('read_timeout', '5'),
array('max_children', '30'),
array('pid_file', $this->config['fulltext_sphinx_data_path'] . 'searchd.pid'),
array('binlog_path', $this->config['fulltext_sphinx_data_path']),
),
);
$non_unique = array('sql_query_pre' => true, 'sql_attr_uint' => true, 'sql_attr_timestamp' => true, 'sql_attr_str2ordinal' => true, 'sql_attr_bool' => true);
$delete = array('sql_group_column' => true, 'sql_date_column' => true, 'sql_str2ordinal_column' => true);
/**
* Allow adding/changing the Sphinx configuration data
*
* @event core.search_sphinx_modify_config_data
* @var array config_data Array with the Sphinx configuration data
* @var array non_unique Array with the Sphinx non-unique variables to delete
* @var array delete Array with the Sphinx variables to delete
* @since 3.1.7-RC1
*/
$vars = array(
'config_data',
'non_unique',
'delete',
);
extract($this->phpbb_dispatcher->trigger_event('core.search_sphinx_modify_config_data', compact($vars)));
foreach ($config_data as $section_name => $section_data)
{
$section = $config_object->get_section_by_name($section_name);
if (!$section)
{
$section = $config_object->add_section($section_name);
}
foreach ($delete as $key => $void)
{
$section->delete_variables_by_name($key);
}
foreach ($non_unique as $key => $void)
{
$section->delete_variables_by_name($key);
}
foreach ($section_data as $entry)
{
$key = $entry[0];
$value = $entry[1];
if (!isset($non_unique[$key]))
{
$variable = $section->get_variable_by_name($key);
if (!$variable)
{
$section->create_variable($key, $value);
}
else
{
$variable->set_value($value);
}
}
else
{
$section->create_variable($key, $value);
}
}
}
$this->config_file_data = $config_object->get_data();
return true;
}
/**
* {@inheritdoc}
*/
public function get_type(): string
{
return static::class;
}
}
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