/**
* 在这个方法内添加新 URL 过滤规则，主要是调用以下方法：
* followExternal()
* allowDomain(), disallowDomain()
* allow(), disallow(), disallowExt()
*/
public function defaultFilter()
{
parent::defaultFilter();
/// --- custom filter BEGIN ---
$this->followExternal(false);
$this->disallow('.php?q=');
/// --- custom filter END ---
}
/**
* {@inheritDoc}
*
* @param string $page the image represented as a character string
* @param string $url the url where the image was downloaded from
* @return array summary information including a thumbnail and a
* description (where the description is just the url)
*/
function process($page, $url)
{
if (is_string($page)) {
$image = $this->imagecreatefrombmp($page);
$thumb_string = self::createThumb($image);
$summary[self::TITLE] = "";
$summary[self::DESCRIPTION] = "Image of " . UrlParser::getDocumentFilename($url);
$summary[self::LINKS] = array();
$summary[self::PAGE] = "<html><body><div><img src='data:image/bmp;base64," . base64_encode($page) . "' alt='" . $summary[self::DESCRIPTION] . "' /></div></body></html>";
$summary[self::THUMB] = 'data:image/jpeg;base64,' . base64_encode($thumb_string);
}
return $summary;
}
/**
* Used to recompute both the index shards and the dictionary
* of an index archive. The first step involves re-extracting the
* word into an inverted index from the summaries' web_archives.
* Then a reindex is done.
*
* @param string $archive_path file path to a IndexArchiveBundle
*/
function rebuildIndexArchive($archive_path)
{
$archive_type = $this->getArchiveKind($archive_path);
if ($archive_type != "IndexArchiveBundle") {
$this->badFormatMessageAndExit($archive_path);
}
$info = $archive_type::getArchiveInfo($archive_path);
$tmp = unserialize($info["DESCRIPTION"]);
$video_sources = $tmp[self::VIDEO_SOURCES];
$generation_info = unserialize(file_get_contents("{$archive_path}/generation.txt"));
$num_generations = $generation_info['ACTIVE'] + 1;
$archive = new WebArchiveBundle($archive_path . "/summaries");
$seen = 0;
$generation = 0;
$keypad = "";
while ($generation < $num_generations) {
$partition = $archive->getPartition($generation, false);
$shard_name = $archive_path . "/posting_doc_shards/index{$generation}";
crawlLog("Processing partition {$generation}");
if (file_exists($shard_name)) {
crawlLog("..Unlinking old shard {$generation}");
@unlink($shard_name);
}
$shard = new IndexShard($shard_name, $generation, NUM_DOCS_PER_GENERATION, true);
$seen_partition = 0;
while ($seen_partition < $partition->count) {
$num_to_get = min($partition->count - $seen_partition, 8000);
$offset = $partition->iterator_pos;
$objects = $partition->nextObjects($num_to_get);
$cnt = 0;
foreach ($objects as $object) {
$cnt++;
$site = $object[1];
if (isset($site[self::TYPE]) && $site[self::TYPE] == "link") {
$is_link = true;
$doc_keys = $site[self::HTTP_CODE];
$site_url = $site[self::TITLE];
$host = UrlParser::getHost($site_url);
$link_parts = explode('|', $site[self::HASH]);
if (isset($link_parts[5])) {
$link_origin = $link_parts[5];
} else {
$link_origin = $site_url;
}
$meta_ids = PhraseParser::calculateLinkMetas($site_url, $host, $site[self::DESCRIPTION], $link_origin);
$link_to = "LINK TO:";
} else {
$is_link = false;
$site_url = str_replace('|', "%7C", $site[self::URL]);
$host = UrlParser::getHost($site_url);
$doc_keys = crawlHash($site_url, true) . $site[self::HASH] . "d" . substr(crawlHash($host . "/", true), 1);
$meta_ids = PhraseParser::calculateMetas($site, $video_sources);
$link_to = "";
}
$so_far_cnt = $seen_partition + $cnt;
$time_out_message = "..still processing {$so_far_cnt} " . "of {$partition->count} in partition {$generation}." . "\n..Last processed was: " . ($seen + 1) . ". {$link_to}{$site_url}. ";
crawlTimeoutLog($time_out_message);
$seen++;
$word_lists = array();
/*
self::JUST_METAS check to avoid getting sitemaps in
results for popular words
*/
$lang = NULL;
if (!isset($site[self::JUST_METAS])) {
$host_words = UrlParser::getWordsIfHostUrl($site_url);
$path_words = UrlParser::getWordsLastPathPartUrl($site_url);
if ($is_link) {
$phrase_string = $site[self::DESCRIPTION];
} else {
$phrase_string = $host_words . " " . $site[self::TITLE] . " " . $path_words . " " . $site[self::DESCRIPTION];
}
if (isset($site[self::LANG])) {
$lang = guessLocaleFromString(mb_substr($site[self::DESCRIPTION], 0, AD_HOC_TITLE_LENGTH), $site[self::LANG]);
}
$word_lists = PhraseParser::extractPhrasesInLists($phrase_string, $lang);
$len = strlen($phrase_string);
if (PhraseParser::computeSafeSearchScore($word_lists, $len) < 0.012) {
$meta_ids[] = "safe:true";
$safe = true;
} else {
$meta_ids[] = "safe:false";
$safe = false;
}
}
if (isset($site[self::USER_RANKS]) && count($site[self::USER_RANKS]) > 0) {
$score_keys = "";
foreach ($site[self::USER_RANKS] as $label => $score) {
$score_keys .= packInt($score);
}
if (strlen($score_keys) % 8 != 0) {
$score_keys .= $keypad;
}
$doc_keys .= $score_keys;
}
$shard->addDocumentWords($doc_keys, $offset, $word_lists, $meta_ids, PhraseParser::$materialized_metas, true, false);
$offset = $object[0];
}
$seen_partition += $num_to_get;
}
$shard->save(false, true);
$generation++;
}
$this->reindexIndexArchive($archive_path);
}
/**
* Checks if getScheme is working okay
*/
function getSchemeTestCase()
{
$test_links = array(array("http://www.example.com/", "http", "Simple HTTP 1"), array("https://www.example.com/", "https", "Simple HTTPS 1"), array("gopher://www.example.com/", "gopher", "Simple GOPHER 1"), array("./", "http", "Simple HTTP 2"));
foreach ($test_links as $test_link) {
$result = UrlParser::getScheme($test_link[0]);
$this->assertEqual($result, $test_link[1], $test_link[2]);
}
}
/**
* Responsible for handling admin request related to the configure activity
*
* The configure activity allows a user to set the work directory for
* storing data local to this SeekQuarry/Yioop instance. It also allows one
* to set the default language of the installation, dbms info, robot info,
* test info, as well as which machine acts as the queue server.
*
* @return array $data fields for available language, dbms, etc as well as
* results of processing sub activity if any
*/
function configure()
{
$parent = $this->parent;
$profile_model = $parent->model("profile");
$group_model = $parent->model("group");
$data = array();
$profile = array();
$data['SYSTEM_CHECK'] = $this->systemCheck();
$languages = $parent->model("locale")->getLocaleList();
foreach ($languages as $language) {
$data['LANGUAGES'][$language['LOCALE_TAG']] = $language['LOCALE_NAME'];
}
if (isset($_REQUEST['lang']) && $_REQUEST['lang']) {
$data['lang'] = $parent->clean($_REQUEST['lang'], "string");
$profile['DEFAULT_LOCALE'] = $data['lang'];
setLocaleObject($data['lang']);
}
$data["ELEMENT"] = "configure";
$data['SCRIPT'] = "";
$data['PROFILE'] = false;
if (isset($_REQUEST['WORK_DIRECTORY']) || defined('WORK_DIRECTORY') && defined('FIX_NAME_SERVER') && FIX_NAME_SERVER) {
if (defined('WORK_DIRECTORY') && defined('FIX_NAME_SERVER') && FIX_NAME_SERVER && !isset($_REQUEST['WORK_DIRECTORY'])) {
$_REQUEST['WORK_DIRECTORY'] = WORK_DIRECTORY;
$_REQUEST['arg'] = "directory";
@unlink($_REQUEST['WORK_DIRECTORY'] . "/profile.php");
}
$dir = $parent->clean($_REQUEST['WORK_DIRECTORY'], "string");
$data['PROFILE'] = true;
if (strstr(PHP_OS, "WIN")) {
//convert to forward slashes so consistent with rest of code
$dir = str_replace("\\", "/", $dir);
if ($dir[0] != "/" && $dir[1] != ":") {
$data['PROFILE'] = false;
}
} else {
if ($dir[0] != "/") {
$data['PROFILE'] = false;
}
}
if ($data['PROFILE'] == false) {
$data["MESSAGE"] = tl('system_component_configure_use_absolute_path');
$data['SCRIPT'] .= "doMessage('<h1 class=\"red\" >" . $data["MESSAGE"] . "</h1>');" . "setTimeout('window.location.href= " . "window.location.href', 3000);";
$data['WORK_DIRECTORY'] = $dir;
return $data;
}
if (strstr($dir . "/", BASE_DIR . "/")) {
$data['PROFILE'] = false;
$data["MESSAGE"] = tl('system_component_configure_configure_diff_base_dir');
$data['SCRIPT'] .= "doMessage('<h1 class=\"red\" >" . $data["MESSAGE"] . "</h1>');" . "setTimeout('window.location.href= " . "window.location.href', 3000);";
$data['WORK_DIRECTORY'] = $dir;
return $data;
}
$data['WORK_DIRECTORY'] = $dir;
} else {
if (defined("WORK_DIRECTORY") && strlen(WORK_DIRECTORY) > 0 && strcmp(realpath(WORK_DIRECTORY), realpath(BASE_DIR)) != 0 && (is_dir(WORK_DIRECTORY) || is_dir(WORK_DIRECTORY . "../"))) {
$data['WORK_DIRECTORY'] = WORK_DIRECTORY;
$data['PROFILE'] = true;
}
}
$arg = "";
if (isset($_REQUEST['arg'])) {
$arg = $_REQUEST['arg'];
}
switch ($arg) {
case "directory":
if (!isset($data['WORK_DIRECTORY'])) {
break;
}
if ($data['PROFILE'] && file_exists($data['WORK_DIRECTORY'] . "/profile.php")) {
$data = array_merge($data, $profile_model->getProfile($data['WORK_DIRECTORY']));
$profile_model->setWorkDirectoryConfigFile($data['WORK_DIRECTORY']);
$data["MESSAGE"] = tl('system_component_configure_work_dir_set');
$data['SCRIPT'] .= "doMessage('<h1 class=\"red\" >" . $data["MESSAGE"] . "</h1>');setTimeout(" . "'window.location.href=window.location.href', 3000);";
} else {
if ($data['PROFILE'] && strlen($data['WORK_DIRECTORY']) > 0) {
if ($profile_model->makeWorkDirectory($data['WORK_DIRECTORY'])) {
$profile['DBMS'] = 'sqlite3';
$data['DBMS'] = 'sqlite3';
$profile['DB_NAME'] = 'default';
$data['DB_NAME'] = 'default';
$profile['USER_AGENT_SHORT'] = tl('system_component_name_your_bot');
$data['USER_AGENT_SHORT'] = $profile['USER_AGENT_SHORT'];
$uri = UrlParser::getPath($_SERVER['REQUEST_URI']);
$http = isset($_SERVER['HTTPS']) ? "https://" : "http://";
$profile['NAME_SERVER'] = $http . $_SERVER['SERVER_NAME'] . $uri;
$data['NAME_SERVER'] = $profile['NAME_SERVER'];
$profile['AUTH_KEY'] = crawlHash($data['WORK_DIRECTORY'] . time());
$data['AUTH_KEY'] = $profile['AUTH_KEY'];
$profile['FIAT_SHAMIR_MODULUS'] = generateFiatShamirModulus();
$robot_instance = str_replace(".", "_", $_SERVER['SERVER_NAME']) . "-" . time();
$profile['ROBOT_INSTANCE'] = $robot_instance;
$data['ROBOT_INSTANCE'] = $profile['ROBOT_INSTANCE'];
if ($profile_model->updateProfile($data['WORK_DIRECTORY'], array(), $profile)) {
if (defined('WORK_DIRECTORY') && $data['WORK_DIRECTORY'] == WORK_DIRECTORY || $profile_model->setWorkDirectoryConfigFile($data['WORK_DIRECTORY'])) {
$data["MESSAGE"] = tl('system_component_configure_work_profile_made');
$data['SCRIPT'] .= "doMessage('<h1 class=\"red\" >" . $data["MESSAGE"] . "</h1>');" . "setTimeout('window.location.href= " . "window.location.href', 3000);";
$data = array_merge($data, $profile_model->getProfile($data['WORK_DIRECTORY']));
$data['PROFILE'] = true;
} else {
$data['PROFILE'] = false;
$data["MESSAGE"] = tl('system_component_configure_no_set_config');
$data['SCRIPT'] .= "doMessage('<h1 class=\"red\" >" . $data["MESSAGE"] . "</h1>');" . "setTimeout('window.location.href= " . "window.location.href', 3000);";
}
} else {
$profile_model->setWorkDirectoryConfigFile($data['WORK_DIRECTORY']);
$data['PROFILE'] = false;
$data["MESSAGE"] = tl('system_component_configure_no_create_profile');
$data['SCRIPT'] .= "doMessage('<h1 class=\"red\" >" . $data["MESSAGE"] . "</h1>'); setTimeout('window.location.href=" . "window.location.href', 3000);";
}
} else {
$profile_model->setWorkDirectoryConfigFile($data['WORK_DIRECTORY']);
$data["MESSAGE"] = tl('system_component_configure_work_dir_invalid');
$data['SCRIPT'] .= "doMessage('<h1 class=\"red\" >" . $data["MESSAGE"] . "</h1>');" . "setTimeout('window.location.href=" . "window.location.href', 3000);";
$data['PROFILE'] = false;
}
} else {
$profile_model->setWorkDirectoryConfigFile($data['WORK_DIRECTORY']);
$data["MESSAGE"] = tl('system_component_configure_work_dir_invalid');
$data['SCRIPT'] .= "doMessage('<h1 class=\"red\" >" . $data["MESSAGE"] . "</h1>');" . "setTimeout('window.location.href=" . "window.location.href', 3000);";
$data['PROFILE'] = false;
}
}
break;
case "profile":
$parent->updateProfileFields($data, $profile, array('WEB_ACCESS', 'RSS_ACCESS', 'API_ACCESS', 'LANDING_PAGE'));
$data['DEBUG_LEVEL'] = 0;
$data['DEBUG_LEVEL'] |= isset($_REQUEST["ERROR_INFO"]) ? ERROR_INFO : 0;
$data['DEBUG_LEVEL'] |= isset($_REQUEST["QUERY_INFO"]) ? QUERY_INFO : 0;
$data['DEBUG_LEVEL'] |= isset($_REQUEST["TEST_INFO"]) ? TEST_INFO : 0;
$profile['DEBUG_LEVEL'] = $data['DEBUG_LEVEL'];
$old_profile = $profile_model->getProfile($data['WORK_DIRECTORY']);
$folder = APP_DIR . "/resources";
if (!file_exists(APP_DIR) && !mkdir(APP_DIR) || !file_exists($folder) && !mkdir($folder)) {
$data["MESSAGE"] = tl('system_component_no_resource_folder');
$data['SCRIPT'] .= "doMessage('<h1 class=\"red\" >" . $data["MESSAGE"] . "</h1>')";
return $data;
}
foreach (array('BACKGROUND_IMAGE', 'LOGO', 'M_LOGO', 'FAVICON', 'SEARCHBAR_PATH') as $field) {
if (isset($_FILES[$field]['name']) && $_FILES[$field]['name'] != "") {
if (!in_array($_FILES[$field]['type'], array('image/png', 'image/gif', 'image/jpeg', 'image/x-icon')) && $field != 'SEARCHBAR_PATH' || $_FILES[$field]['type'] != 'text/xml' && $field == 'SEARCHBAR_PATH') {
$data["MESSAGE"] = tl('system_component_invalid_filetype');
$data['SCRIPT'] .= "doMessage('<h1 class=\"red\" >" . $data["MESSAGE"] . "</h1>')";
return $data;
}
if ($_FILES[$field]['size'] > THUMB_SIZE) {
$data["MESSAGE"] = tl('system_component_file_too_big');
$data['SCRIPT'] .= "doMessage('<h1 class=\"red\" >" . $data["MESSAGE"] . "</h1>')";
return $data;
}
$profile[$field] = array();
$profile[$field]['name'] = $_FILES[$field]['name'];
$profile[$field]['tmp_name'] = $_FILES[$field]['tmp_name'];
$data[$field] = "./?c=resource&a=get&" . "f=resources&n=" . $profile[$field]['name'];
}
}
if ($profile_model->updateProfile($data['WORK_DIRECTORY'], $profile, $old_profile)) {
$data['MESSAGE'] = tl('system_component_configure_profile_change');
$data['SCRIPT'] = "doMessage('<h1 class=\"red\" >" . $data['MESSAGE'] . "</h1>');";
if ($old_profile['DEBUG_LEVEL'] != $profile['DEBUG_LEVEL']) {
$data['SCRIPT'] .= "setTimeout('window.location.href=\"" . "?c=admin&a=configure&" . CSRF_TOKEN . "=" . $_REQUEST[CSRF_TOKEN] . "\"', 3*sec);";
}
} else {
$data['PROFILE'] = false;
$data["MESSAGE"] = tl('system_component_configure_no_change_profile');
$data['SCRIPT'] .= "doMessage('<h1 class=\"red\" >" . $data["MESSAGE"] . "</h1>');";
break;
}
break;
case "reset":
$base_url = NAME_SERVER;
if (defined("BASE_URL")) {
$base_url = BASE_URL;
}
$profile = array('LANDING_PAGE' => false, 'BACKGROUND_COLOR' => "#FFF", 'BACKGROUND_IMAGE' => "", 'FOREGROUND_COLOR' => "#FFF", 'SIDEBAR_COLOR' => "#8A4", 'TOPBAR_COLOR' => "#EEF", 'LOGO' => "resources/yioop.png", 'M_LOGO' => "resources/m-yioop.png", 'FAVICON' => $base_url . "favicon.ico", 'TIMEZONE' => 'America/Los_Angeles', 'SESSION_NAME' => "yioopbiscuit", 'CSRF_TOKEN' => "YIOOP_TOKEN", 'AUXILIARY_CSS' => "");
$old_profile = $profile_model->getProfile($data['WORK_DIRECTORY']);
foreach ($old_profile as $key => $value) {
$data[$key] = $value;
}
$tmp_image = $old_profile['BACKGROUND_IMAGE'];
$old_profile['BACKGROUND_IMAGE'] = "";
if ($profile_model->updateProfile($data['WORK_DIRECTORY'], $profile, $old_profile, true)) {
$old_profile['BACKGROUND_IMAGE'] = $tmp_image;
foreach ($profile as $key => $value) {
$data[$key] = $value;
if (in_array($key, array('BACKGROUND_IMAGE', 'LOGO', 'M_LOGO', 'FAVICON', 'SEARCHBAR_PATH')) && $old_profile[$key] != "") {
$resource_name = APP_DIR . "/resources/" . $old_profile[$key];
if (file_exists($resource_name)) {
unlink($resource_name);
}
}
}
$data['MESSAGE'] = tl('system_component_configure_reset_completed');
$data['SCRIPT'] = "doMessage('<h1 class=\"red\" >" . $data['MESSAGE'] . "</h1>');";
} else {
$data['PROFILE'] = false;
$data["MESSAGE"] = tl('system_component_configure_no_change_profile');
$data['SCRIPT'] .= "doMessage('<h1 class=\"red\" >" . $data["MESSAGE"] . "</h1>');";
break;
}
break;
default:
if (isset($data['WORK_DIRECTORY']) && file_exists($data['WORK_DIRECTORY'] . "/profile.php")) {
$data = array_merge($data, $profile_model->getProfile($data['WORK_DIRECTORY']));
} else {
$data['WORK_DIRECTORY'] = "";
$data['PROFILE'] = false;
}
}
$data['advanced'] = "false";
if ($data['PROFILE']) {
$locale_tag = getLocaleTag();
$not_null_fields = array('LOGO' => "resources/yioop.png", 'M_LOGO' => "resources/m-yioop.png", 'FAVICON' => BASE_URL . "favicon.ico", 'TIMEZONE' => 'America/Los_Angeles', 'SESSION_NAME' => "yioopbiscuit", 'CSRF_TOKEN' => "YIOOP_TOKEN");
foreach ($not_null_fields as $field => $default) {
if (!$data[$field]) {
$data[$field] = $default;
}
}
if (isset($_REQUEST['ROBOT_DESCRIPTION'])) {
$robot_description = substr($parent->clean($_REQUEST['ROBOT_DESCRIPTION'], "string"), 0, MAX_GROUP_PAGE_LEN);
$group_model->setPageName(ROOT_ID, PUBLIC_GROUP_ID, "bot", $robot_description, $locale_tag, "", "", "", "");
}
$robot_info = $group_model->getPageInfoByName(PUBLIC_GROUP_ID, "bot", $locale_tag, "edit");
$data['ROBOT_DESCRIPTION'] = isset($robot_info["PAGE"]) ? $robot_info["PAGE"] : tl('system_component_describe_robot');
if (isset($_REQUEST['advanced']) && $_REQUEST['advanced'] == 'true') {
$data['advanced'] = "true";
}
$data['SCRIPT'] .= <<<EOD
setDisplay('advance-configure', {$data['advanced']});
setDisplay('advance-robot', {$data['advanced']});
function toggleAdvance() {
var advanced = elt('a-settings');
advanced.value = (advanced.value =='true')
? 'false' : 'true';
var value = (advanced.value == 'true') ? true : false;
setDisplay('advance-configure', value);
setDisplay('advance-robot', value);
}
EOD;
}
$data['SCRIPT'] .= "\nelt('locale').onchange = " . "function () { elt('configureProfileForm').submit();};\n";
return $data;
}
/**
* Returns up to MAX_LINKS_TO_EXTRACT many links from the supplied
* dom object where links have been canonicalized according to
* the supplied $site information.
*
* @param object $dom a document object with links on it
* @param string $site a string containing a url
*
* @return array links from the $dom object
*/
static function links($dom, $site)
{
$sites = array();
$xpath = new DOMXPath($dom);
$base_refs = $xpath->evaluate("/html//base");
if ($base_refs->item(0)) {
$tmp_site = $base_refs->item(0)->getAttribute('href');
if (strlen($tmp_site) > 0) {
$site = UrlParser::canonicalLink($tmp_site, $site);
}
}
$i = 0;
$hrefs = $xpath->evaluate("/html/body//a");
foreach ($hrefs as $href) {
if ($i < MAX_LINKS_TO_EXTRACT) {
$rel = $href->getAttribute("rel");
if ($rel == "" || !stristr($rel, "nofollow")) {
$url = UrlParser::canonicalLink($href->getAttribute('href'), $site);
$len = strlen($url);
if (!UrlParser::checkRecursiveUrl($url) && $len < MAX_URL_LEN && $len > 4) {
$text = $href->nodeValue;
if (isset($sites[$url])) {
$sites[$url] .= " .. " . preg_replace("/\\s+/", " ", strip_tags($text));
$sites[$url] = mb_substr($sites[$url], 0, 2 * MAX_LINKS_WORD_TEXT);
} else {
$sites[$url] = preg_replace("/\\s+/", " ", strip_tags($text));
$sites[$url] = mb_substr($sites[$url], 0, 2 * MAX_LINKS_WORD_TEXT);
}
$i++;
}
}
}
}
$frames = $xpath->evaluate("/html/frameset/frame|/html/body//iframe");
foreach ($frames as $frame) {
if ($i < MAX_LINKS_TO_EXTRACT) {
$url = UrlParser::canonicalLink($frame->getAttribute('src'), $site);
$len = strlen($url);
if (!UrlParser::checkRecursiveUrl($url) && $len < MAX_URL_LEN && $len > 4) {
if (isset($sites[$url])) {
$sites[$url] .= " .. HTMLframe";
} else {
$sites[$url] = "HTMLframe";
}
$i++;
}
}
}
$imgs = $xpath->evaluate("/html/body//img[@alt]");
$i = 0;
foreach ($imgs as $img) {
if ($i < MAX_LINKS_TO_EXTRACT) {
$alt = $img->getAttribute('alt');
if (strlen($alt) < 1) {
continue;
}
$url = UrlParser::canonicalLink($img->getAttribute('src'), $site);
$len = strlen($url);
if (!UrlParser::checkRecursiveUrl($url) && $len < MAX_URL_LEN && $len > 4) {
if (isset($sites[$url])) {
$sites[$url] .= " .. " . $alt;
$sites[$url] = mb_substr($sites[$url], 0, 2 * MAX_LINKS_WORD_TEXT);
} else {
$sites[$url] = $alt;
$sites[$url] = mb_substr($sites[$url], 0, 2 * MAX_LINKS_WORD_TEXT);
}
$i++;
}
}
}
return $sites;
}
/**
* Outputs a profile.php file in the given directory containing profile
* data based on new and old data sources
*
* This function creates a profile.php file if it doesn't exist. A given
* field is output in the profile
* according to the precedence that a new value is preferred to an old
* value is prefered to the value that comes from a currently defined
* constant. It might be the case that a new value for a given field
* doesn't exist, etc.
*
* @param string $directory the work directory to output the profile.php
* file
* @param array $new_profile_data fields and values containing at least
* some profile information (only $this->profile_fields
* fields of $new_profile_data will be considered).
* @param array $old_profile_data fields and values that come from
* presumably a previously existing profile
* @param bool whether the new profile data is coming from a reset to
* factory settings or not
*/
function updateProfile($directory, $new_profile_data, $old_profile_data, $reset = false)
{
$n = array();
$n[] = <<<EOT
<?php
/**
* SeekQuarry/Yioop --
* Open Source Pure PHP Search Engine, Crawler, and Indexer
*
* Copyright (C) 2009-2012 Chris Pollett chris@pollett.org
*
* LICENSE:
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
* END LICENSE
*
* Computer generated file giving the key defines of directory locations
* as well as database settings used to run the SeekQuarry/Yioop search engine
*
* @author Chris Pollett chris@pollett.org
* @package seek_quarry
* @subpackage config
* @license http://www.gnu.org/licenses/ GPL3
* @link http://www.seekquarry.com/
* @copyright 2009-2012
* @filesource
*/
if(!defined('BASE_DIR')) {echo "BAD REQUEST"; exit();}
EOT;
$base_url = NAME_SERVER;
if (defined("BASE_URL")) {
$base_url = BASE_URL;
}
//make sure certain fields are not null
$not_null_fields = array('BACKGROUND_COLOR' => "#FFF", 'FOREGROUND_COLOR' => "#FFF", 'SIDEBAR_COLOR' => "#8A4", 'TOPBAR_COLOR' => "#EEF", 'LOGO' => "resources/yioop.png", 'M_LOGO' => "resources/m-yioop.png", 'FAVICON' => $base_url . "favicon.ico", 'TIMEZONE' => 'America/Los_Angeles', 'SESSION_NAME' => "yioopbiscuit", 'CSRF_TOKEN' => "YIOOP_TOKEN", 'AD_LOCATION' => 'none');
$not_null_keys = array_keys($not_null_fields);
$file_fields = $this->file_fields;
//now integrate the different profiles
foreach ($this->profile_fields as $field) {
if (isset($new_profile_data[$field])) {
if (!$reset && in_array($field, array('LOGO', 'M_LOGO', 'FAVICON', 'SEARCHBAR_PATH', 'BACKGROUND_IMAGE'))) {
if (isset($new_profile_data[$field]['name']) && isset($new_profile_data[$field]['tmp_name'])) {
move_uploaded_file($new_profile_data[$field]['tmp_name'], APP_DIR . "/resources/" . $new_profile_data[$field]['name']);
$profile[$field] = "./?c=resource&a=get&" . "f=resources&n=" . $new_profile_data[$field]['name'];
} else {
if (isset($old_profile_data[$field])) {
$profile[$field] = $old_profile_data[$field];
} else {
if (defined($field)) {
$profile[$field] = constant($field);
} else {
$profile[$field] = "";
}
}
}
} else {
$profile[$field] = $new_profile_data[$field];
}
} else {
if (isset($old_profile_data[$field])) {
$profile[$field] = $old_profile_data[$field];
} else {
if (defined($field)) {
$profile[$field] = constant($field);
} else {
$profile[$field] = "";
}
}
}
if (!$profile[$field] && isset($not_null_fields[$field])) {
$profile[$field] = $not_null_fields[$field];
}
if ($field == "NEWS_MODE" && $profile[$field] == "") {
$profile[$field] = "news_off";
}
if ($field == "WEB_URI") {
if (isset($_SERVER['REQUEST_URI'])) {
$profile[$field] = UrlParser::getPath($_SERVER['REQUEST_URI']);
} else {
$profile[$field] = UrlParser::getPath(NAME_SERVER);
}
}
if (in_array($field, $file_fields)) {
continue;
}
if ($field != "DEBUG_LEVEL") {
$profile[$field] = "\"{$profile[$field]}\"";
}
$n[] = "define('{$field}', {$profile[$field]});";
}
$out = implode("\n", $n);
if (file_put_contents($directory . PROFILE_FILE_NAME, $out) !== false) {
restore_error_handler();
@chmod($directory . PROFILE_FILE_NAME, 0777);
if (isset($new_profile_data['AUXILIARY_CSS'])) {
if (!file_exists(APP_DIR . "/css")) {
@mkdir(APP_DIR . "/css");
@chmod(APP_DIR . "/css", 0777);
}
$css_file = APP_DIR . "/css/auxiliary.css";
file_put_contents($css_file, $new_profile_data['AUXILIARY_CSS']);
@chmod($css_file, 0777);
}
set_error_handler("yioop_error_handler");
return true;
}
return false;
}
/**
* Handles admin request related to the search sources activity
*
* The search sources activity allows a user to add/delete search sources
* for video and news, it also allows a user to control which subsearches
* appear on the SearchView page
*
* @return array $data info about current search sources, and current
* sub-searches
*/
function searchSources()
{
$parent = $this->parent;
$crawl_model = $parent->model("crawl");
$source_model = $parent->model("source");
$possible_arguments = array("addsource", "deletesource", "addsubsearch", "deletesubsearch", "editsource", "editsubsearch");
$data = array();
$data["ELEMENT"] = "searchsources";
$data['SCRIPT'] = "";
$data['SOURCE_TYPES'] = array(-1 => tl('crawl_component_media_kind'), "video" => tl('crawl_component_video'), "rss" => tl('crawl_component_rss_feed'), "html" => tl('crawl_component_html_feed'));
$source_type_flag = false;
if (isset($_REQUEST['type']) && in_array($_REQUEST['type'], array_keys($data['SOURCE_TYPES']))) {
$data['SOURCE_TYPE'] = $_REQUEST['type'];
$source_type_flag = true;
} else {
$data['SOURCE_TYPE'] = -1;
}
$machine_urls = $parent->model("machine")->getQueueServerUrls();
$search_lists = $crawl_model->getCrawlList(false, true, $machine_urls);
$data["SEARCH_LISTS"] = array(-1 => tl('crawl_component_sources_indexes'));
foreach ($search_lists as $item) {
$data["SEARCH_LISTS"]["i:" . $item["CRAWL_TIME"]] = $item["DESCRIPTION"];
}
if (isset($_SESSION['USER_ID'])) {
$user = $_SESSION['USER_ID'];
} else {
$user = $_SERVER['REMOTE_ADDR'];
}
$search_lists = $crawl_model->getMixList($user);
foreach ($search_lists as $item) {
$data["SEARCH_LISTS"]["m:" . $item["TIMESTAMP"]] = $item["NAME"];
}
$n = NUM_RESULTS_PER_PAGE;
$data['PER_PAGE'] = array($n => $n, 2 * $n => 2 * $n, 5 * $n => 5 * $n, 10 * $n => 10 * $n);
if (isset($_REQUEST['per_page']) && in_array($_REQUEST['per_page'], array_keys($data['PER_PAGE']))) {
$data['PER_PAGE_SELECTED'] = $_REQUEST['per_page'];
} else {
$data['PER_PAGE_SELECTED'] = NUM_RESULTS_PER_PAGE;
}
$locales = $parent->model("locale")->getLocaleList();
$data["LANGUAGES"] = array();
foreach ($locales as $locale) {
$data["LANGUAGES"][$locale['LOCALE_TAG']] = $locale['LOCALE_NAME'];
}
if (isset($_REQUEST['language']) && in_array($_REQUEST['language'], array_keys($data["LANGUAGES"]))) {
$data['SOURCE_LOCALE_TAG'] = $_REQUEST['language'];
} else {
$data['SOURCE_LOCALE_TAG'] = DEFAULT_LOCALE;
}
$data["CURRENT_SOURCE"] = array("name" => "", "type" => $data['SOURCE_TYPE'], "source_url" => "", "aux_info" => "", 'channel_path' => "", 'item_path' => "", 'title_path' => "", 'description_path' => "", 'link_path' => "", "language" => $data['SOURCE_LOCALE_TAG']);
$data["CURRENT_SUBSEARCH"] = array("locale_string" => "", "folder_name" => "", "index_identifier" => "", "per_page" => $data['PER_PAGE_SELECTED']);
$data['SOURCE_FORM_TYPE'] = "addsource";
$data["SEARCH_FORM_TYPE"] = "addsubsearch";
if (isset($_REQUEST['arg']) && in_array($_REQUEST['arg'], $possible_arguments)) {
switch ($_REQUEST['arg']) {
case "addsource":
if (!$source_type_flag) {
$data['SCRIPT'] .= "doMessage('<h1 class=\"red\" >" . tl('crawl_component_no_source_type') . "</h1>');";
break;
}
$must_have = array("name", "type", 'source_url');
$is_html_feed = false;
if (isset($_REQUEST['type']) && $_REQUEST['type'] == 'html') {
$is_html_feed = true;
$must_have = array_merge($must_have, array('channel_path', 'item_path', 'title_path', 'description_path', 'link_path'));
}
$to_clean = array_merge($must_have, array('aux_info', 'language'));
foreach ($to_clean as $clean_me) {
$r[$clean_me] = isset($_REQUEST[$clean_me]) ? trim($parent->clean($_REQUEST[$clean_me], "string")) : "";
if ($clean_me == "source_url") {
$r[$clean_me] = UrlParser::canonicalLink($r[$clean_me], NAME_SERVER);
echo $r[$clean_me] . "\n";
if (!$r[$clean_me]) {
$data['SCRIPT'] .= "doMessage('<h1 class=\"red\" >" . tl('crawl_component_invalid_url') . "</h1>');";
break 2;
}
}
if (in_array($clean_me, $must_have) && $r[$clean_me] == "") {
$data['SCRIPT'] .= "doMessage('<h1 class=\"red\" >" . tl('crawl_component_missing_fields') . "</h1>');";
break 2;
}
}
if ($is_html_feed) {
$r['aux_info'] = $r['channel_path'] . "###" . $r['item_path'] . "###" . $r['title_path'] . "###" . $r['description_path'] . "###" . $r['link_path'];
}
$source_model->addMediaSource($r['name'], $r['type'], $r['source_url'], $r['aux_info'], $r['language']);
$data['SCRIPT'] .= "doMessage('<h1 class=\"red\" >" . tl('crawl_component_media_source_added') . "</h1>');";
break;
case "addsubsearch":
$to_clean = array("folder_name", 'index_identifier');
$must_have = $to_clean;
foreach ($to_clean as $clean_me) {
$r[$clean_me] = isset($_REQUEST[$clean_me]) ? trim($parent->clean($_REQUEST[$clean_me], "string")) : "";
if (in_array($clean_me, $must_have) && ($r[$clean_me] == "" || $r[$clean_me] == -1)) {
$data['SCRIPT'] .= "doMessage('<h1 class=\"red\" >" . tl('crawl_component_missing_fields') . "</h1>');";
break 2;
}
}
$source_model->addSubsearch($r['folder_name'], $r['index_identifier'], $data['PER_PAGE_SELECTED']);
$data['SCRIPT'] .= "doMessage('<h1 class=\"red\" >" . tl('crawl_component_subsearch_added') . "</h1>');";
break;
case "deletesource":
if (!isset($_REQUEST['ts'])) {
$data['SCRIPT'] .= "doMessage('<h1 class=\"red\" >" . tl('crawl_component_no_delete_source') . "</h1>');";
break;
}
$timestamp = $parent->clean($_REQUEST['ts'], "string");
$source_model->deleteMediaSource($timestamp);
$data['SCRIPT'] .= "doMessage('<h1 class=\"red\" >" . tl('crawl_component_media_source_deleted') . "</h1>');";
break;
case "deletesubsearch":
if (!isset($_REQUEST['fn'])) {
$data['SCRIPT'] .= "doMessage('<h1 class=\"red\" >" . tl('crawl_component_no_delete_source') . "</h1>');";
break;
}
$folder_name = $parent->clean($_REQUEST['fn'], "string");
$source_model->deleteSubsearch($folder_name);
$data['SCRIPT'] .= "doMessage('<h1 class=\"red\" >" . tl('crawl_component_subsearch_deleted') . "</h1>');";
break;
case "editsubsearch":
$data['SEARCH_FORM_TYPE'] = "editsubsearch";
$subsearch = false;
$folder_name = isset($_REQUEST['fn']) ? $parent->clean($_REQUEST['fn'], "string") : "";
if ($folder_name) {
$subsearch = $source_model->getSubsearch($folder_name);
}
if (!$subsearch) {
$data['SOURCE_FORM_TYPE'] = "addsubsearch";
break;
}
$data['fn'] = $folder_name;
$update = false;
foreach ($data['CURRENT_SUBSEARCH'] as $field => $value) {
$upper_field = strtoupper($field);
if (isset($_REQUEST[$field]) && $field != 'name') {
$subsearch[$upper_field] = $parent->clean($_REQUEST[$field], "string");
$data['CURRENT_SUBSEARCH'][$field] = $subsearch[$upper_field];
$update = true;
} else {
if (isset($subsearch[$upper_field])) {
$data['CURRENT_SUBSEARCH'][$field] = $subsearch[$upper_field];
}
}
}
if ($update) {
$source_model->updateSubsearch($subsearch);
$data['SCRIPT'] = "doMessage('<h1 class=\"red\" >" . tl('crawl_component_subsearch_updated') . "</h1>');";
}
break;
case "editsource":
$data['SOURCE_FORM_TYPE'] = "editsource";
$source = false;
$timestamp = isset($_REQUEST['ts']) ? $parent->clean($_REQUEST['ts'], "string") : "";
if ($timestamp) {
$source = $source_model->getMediaSource($timestamp);
}
if (!$source) {
$data['SOURCE_FORM_TYPE'] = "addsource";
break;
}
$data['ts'] = $timestamp;
$update = false;
$is_html_feed = false;
if ($source['TYPE'] == 'html') {
$is_html_feed = true;
list($source['CHANNEL_PATH'], $source['ITEM_PATH'], $source['TITLE_PATH'], $source['DESCRIPTION_PATH'], $source['LINK_PATH']) = explode("###", $source['AUX_INFO']);
}
foreach ($data['CURRENT_SOURCE'] as $field => $value) {
$upper_field = strtoupper($field);
if (isset($_REQUEST[$field]) && $field != 'name') {
$source[$upper_field] = $parent->clean($_REQUEST[$field], "string");
$data['CURRENT_SOURCE'][$field] = $source[$upper_field];
$update = true;
} else {
if (isset($source[$upper_field])) {
$data['CURRENT_SOURCE'][$field] = $source[$upper_field];
}
}
}
if ($update) {
if ($is_html_feed) {
$source['AUX_INFO'] = $source['CHANNEL_PATH'] . "###" . $source['ITEM_PATH'] . "###" . $source['TITLE_PATH'] . "###" . $source['DESCRIPTION_PATH'] . "###" . $source['LINK_PATH'];
}
unset($source['CHANNEL_PATH']);
unset($source['ITEM_PATH']);
unset($source['TITLE_PATH']);
unset($source['DESCRIPTION_PATH']);
unset($source['LINK_PATH']);
$source_model->updateMediaSource($source);
$data['SCRIPT'] = "doMessage('<h1 class=\"red\" >" . tl('crawl_component_media_source_updated') . "</h1>');";
}
break;
}
}
$data['CAN_LOCALIZE'] = $parent->model("user")->isAllowedUserActivity($_SESSION['USER_ID'], "manageLocales");
$parent->pagingLogic($data, $source_model, "MEDIA_SOURCES", DEFAULT_ADMIN_PAGING_NUM / 5, array(array("NAME", "", "", "ASC")));
$parent->pagingLogic($data, $source_model, "SUBSEARCHES", DEFAULT_ADMIN_PAGING_NUM / 5, array(array("FOLDER_NAME", "", "", "ASC")), "SUB", "SUBSEARCH");
foreach ($data["SUBSEARCHES"] as $search) {
if (!isset($data["SEARCH_LISTS"][trim($search['INDEX_IDENTIFIER'])])) {
$source_model->deleteSubsearch($search["FOLDER_NAME"]);
}
}
$data['SCRIPT'] .= "source_type = elt('source-type');" . "source_type.onchange = switchSourceType;" . "switchSourceType()";
return $data;
}
/**
* Checks if the $url is from a site which has an hourly quota to download.
* If so, it bumps the quota count and return true; false otherwise.
* This method also resets the quota queue every over
*
* @param string $url to check if within quota
* @return bool whether $url exceeds the hourly quota of the site it is from
*/
function withinQuota($url)
{
if (!($site = UrlParser::urlMemberSiteArray($url, $this->quota_sites_keys, "q" . $this->allow_disallow_cache_time, true))) {
return true;
}
list($quota, $current_count) = $this->quota_sites[$site];
if ($current_count < $quota) {
$this->quota_sites[$site] = array($quota, $current_count + 1);
$flag = true;
} else {
$flag = false;
}
if ($this->quota_clear_time + ONE_HOUR < time()) {
$this->quota_clear_time = time();
foreach ($this->quota_sites as $site => $info) {
list($quota, ) = $info;
$this->quota_sites[$site] = array($quota, 0);
}
}
return $flag;
}
/**
* Used to handle data from the suggest-a-url to crawl form
* (suggest_view.php). Basically, it saves any data submitted to
* a file which can then be imported in manageCrawls
*
* @return array $data contains fields with the current value for
* the url (if set but not submitted) as well as for a captcha
*/
function suggestUrl()
{
$data["REFRESH"] = "suggest";
$visitor_model = $this->model("visitor");
$clear = false;
if (CAPTCHA_MODE != IMAGE_CAPTCHA) {
unset($_SESSION["captcha_text"]);
}
if (CAPTCHA_MODE != TEXT_CAPTCHA) {
unset($_SESSION['CAPTCHA']);
unset($_SESSION['CAPTCHA_ANSWERS']);
}
if (CAPTCHA_MODE != HASH_CAPTCHA) {
$num_captchas = self::NUM_CAPTCHA_QUESTIONS;
unset($_SESSION["request_time"]);
unset($_SESSION["level"]);
unset($_SESSION["random_string"]);
} else {
$data['INCLUDE_SCRIPTS'] = array("sha1", "hash_captcha");
}
if (!isset($_SESSION['BUILD_TIME']) || !isset($_REQUEST['build_time']) || $_SESSION['BUILD_TIME'] != $_REQUEST['build_time'] || $this->clean($_REQUEST['build_time'], "int") <= 0) {
if (CAPTCHA_MODE == HASH_CAPTCHA) {
$time = time();
$_SESSION["request_time"] = $time;
$_SESSION["level"] = self::HASH_CAPTCHA_LEVEL;
$_SESSION["random_string"] = md5($time . AUTH_KEY);
}
$clear = true;
if (isset($_REQUEST['url'])) {
unset($_REQUEST['url']);
}
if (isset($_REQUEST['arg'])) {
unset($_REQUEST['arg']);
}
$data['build_time'] = time();
$_SESSION['BUILD_TIME'] = $data['build_time'];
} else {
$data['build_time'] = $_SESSION['BUILD_TIME'];
}
$data['url'] = "";
if (isset($_REQUEST['url'])) {
$data['url'] = $this->clean($_REQUEST['url'], "string");
}
$missing = array();
$save = isset($_REQUEST['arg']) && $_REQUEST['arg'];
if (CAPTCHA_MODE == TEXT_CAPTCHA) {
for ($i = 0; $i < $num_captchas; $i++) {
$data["question_{$i}"] = "-1";
if ($clear && isset($_REQUEST["question_{$i}"])) {
unset($_REQUEST["question_{$i}"]);
}
}
if (!isset($_SESSION['CAPTCHA']) || !isset($_SESSION['CAPTCHA_ANSWERS'])) {
list($captchas, $answers) = $this->selectQuestionsAnswers($this->captchas_qa, $num_captchas, self::NUM_CAPTCHA_CHOICES);
$data['CAPTCHA'] = $captchas;
$data['build_time'] = time();
$_SESSION['BUILD_TIME'] = $data['build_time'];
$_SESSION['CAPTCHA_ANSWERS'] = $answers;
$_SESSION['CAPTCHA'] = $data['CAPTCHA'];
} else {
$data['CAPTCHA'] = $_SESSION['CAPTCHA'];
}
for ($i = 0; $i < $num_captchas; $i++) {
$field = "question_{$i}";
$captchas = isset($_SESSION['CAPTCHA'][$i]) ? $_SESSION['CAPTCHA'][$i] : array();
if ($save) {
if (!isset($_REQUEST[$field]) || $_REQUEST[$field] == "-1" || !in_array($_REQUEST[$field], $captchas)) {
$missing[] = $field;
} else {
$data[$field] = $_REQUEST[$field];
}
}
}
}
$data['MISSING'] = $missing;
$fail = false;
if (CAPTCHA_MODE == IMAGE_CAPTCHA && !$save) {
$this->setupGraphicalCaptchaViewData($data);
}
if ($save && isset($_REQUEST['url'])) {
$url = $this->clean($_REQUEST['url'], "string");
$url_parts = @parse_url($url);
if (!isset($url_parts['scheme'])) {
$url = "http://" . $url;
}
$suggest_host = UrlParser::getHost($url);
$scheme = UrlParser::getScheme($url);
if (strlen($suggest_host) < 12 || !$suggest_host || !in_array($scheme, array("http", "https"))) {
$data['SCRIPT'] = "doMessage('<h1 class=\"red\" >" . tl('register_controller_invalid_url') . "</h1>');";
$fail = true;
} else {
if ($missing != array()) {
$data['SCRIPT'] = "doMessage('<h1 class=\"red\" >" . tl('register_controller_error_fields') . "</h1>');";
$fail = true;
}
}
if (CAPTCHA_MODE == IMAGE_CAPTCHA && $fail) {
$this->setupGraphicalCaptchaViewData($data);
}
if ($fail) {
return $data;
}
switch (CAPTCHA_MODE) {
case HASH_CAPTCHA:
if (!$this->validateHashCode()) {
$data['SCRIPT'] = "doMessage('<h1 class=\"red\" >" . tl('register_controller_failed_hashcode') . "</h1>');";
$visitor_model->updateVisitor($_SERVER['REMOTE_ADDR'], "captcha_time_out");
return $data;
}
break;
case TEXT_CAPTCHA:
$fail = false;
if (!$this->checkCaptchaAnswers()) {
$data['SCRIPT'] = "doMessage('<h1 class=\"red\" >" . tl('register_controller_failed_human') . "</h1>');";
$visitor_model->updateVisitor($_SERVER['REMOTE_ADDR'], "captcha_time_out");
$data['build_time'] = time();
$_SESSION['BUILD_TIME'] = $data['build_time'];
$fail = true;
}
for ($i = 0; $i < $num_captchas; $i++) {
$data["question_{$i}"] = "-1";
}
list($captchas, $answers) = $this->selectQuestionsAnswers($this->captchas_qa, $num_captchas, self::NUM_CAPTCHA_CHOICES);
$data['CAPTCHA'] = $captchas;
$_SESSION['CAPTCHA_ANSWERS'] = $answers;
$_SESSION['CAPTCHA'] = $data['CAPTCHA'];
if ($fail) {
return $data;
}
break;
case IMAGE_CAPTCHA:
$user_captcha_text = isset($_REQUEST['user_captcha_text']) ? $this->clean($_REQUEST['user_captcha_text'], "string") : "";
if (isset($_SESSION['captcha_text']) && $_SESSION['captcha_text'] != trim($user_captcha_text)) {
$data['SCRIPT'] = "doMessage('<h1 class=\"red\" >" . tl('register_controller_failed_graphical_human') . "</h1>');";
unset($_SESSION['captcha_text']);
$this->setupGraphicalCaptchaViewData($data);
$visitor_model->updateVisitor($_SERVER['REMOTE_ADDR'], "captcha_time_out");
return $data;
}
$this->setupGraphicalCaptchaViewData($data);
break;
}
// Handle cases where captcha was okay
if (!$this->model("crawl")->appendSuggestSites($url)) {
$data['SCRIPT'] = "doMessage('<h1 class=\"red\" >" . tl('register_controller_suggest_full') . "</h1>');";
return $data;
}
$data['SCRIPT'] = "doMessage('<h1 class=\"red\" >" . tl('register_controller_url_submitted') . "</h1>');";
$visitor_model->updateVisitor($_SERVER['REMOTE_ADDR'], "suggest_day_exceeded", ONE_DAY, ONE_DAY, MAX_SUGGEST_URLS_ONE_DAY);
$data['build_time'] = time();
$_SESSION['BUILD_TIME'] = $data['build_time'];
$data['url'] = "";
}
return $data;
}
/**
* Checks if the given $url is allowed to be crawled based on stored
* robots.txt info.
* @param string $url to check
* @return bool whether it was allowed or not
*/
function checkRobotOkay($url)
{
// local cache of recent robot.txt stuff
static $robot_cache = array();
$cache_size = 2000;
list($host, $path) = UrlParser::getHostAndPath($url, true, true);
$path = urldecode($path);
$key = crawlHash($host, true);
if (isset($robot_cache[$key])) {
$robot_object = $robot_cache[$key];
} else {
$data = $this->robot_table->lookup($key);
$offset = unpackInt($data);
$robot_object = $this->robot_archive->getObjects($offset, 1);
$robot_cache[$key] = $robot_object;
if (count($robot_cache) > $cache_size) {
array_shift($robot_cache);
}
}
$robot_paths = isset($robot_object[0][1]) ? $robot_object[0][1] : array();
//these should have been urldecoded in RobotProcessor
$robots_okay = true;
$robots_not_okay = false;
if (isset($robot_paths[CrawlConstants::DISALLOWED_SITES])) {
$robots_not_okay = UrlParser::isPathMemberRegexPaths($path, $robot_paths[CrawlConstants::DISALLOWED_SITES]);
$robots_okay = !$robots_not_okay;
}
if (isset($robot_paths[CrawlConstants::ALLOWED_SITES])) {
$robots_okay = UrlParser::isPathMemberRegexPaths($path, $robot_paths[CrawlConstants::ALLOWED_SITES]);
}
return $robots_okay || !$robots_not_okay;
}
/**
* This method adds robots metas to or removes entirely a summary
* produced by a text page processor or its subsclasses depending on
* whether the summary title and description satisfy various rules
* in $this->filter_rules
*
* @param array& $summary the summary data produced by the relevant page
* processor's handle method; modified in-place.
* @param string $url the url where the summary contents came from
*/
function pageSummaryProcessing(&$summary, $url)
{
$sites = array_keys($this->filter_rules);
$filter_rules = $this->filter_rules;
$rules = $filter_rules['default'] ? $filter_rules['default'] : array();
foreach ($sites as $site) {
if ($site == "default") {
continue;
}
$sign = $site[0] == '-' ? false : true;
if (!$sign || $site[0] == '+') {
$check_url = substr($site, 1);
} else {
$check_url = $site;
}
if ($sign && UrlParser::urlMemberSiteArray($url, array($check_url), $url . $check_url) || !$sign && !UrlParser::urlMemberSiteArray($url, array($check_url), $url . $check_url)) {
$rules = array_merge($rules, $filter_rules[$site]);
}
}
foreach ($rules as $rule) {
$preconditions = $rule["PRECONDITIONS"];
$actions = $rule["ACTIONS"];
$filter_flag = $this->checkFilter($preconditions, $summary[self::TITLE], $summary[self::DESCRIPTION]);
if ($filter_flag) {
if (in_array("NOPROCESS", $actions)) {
crawlLog(" Word filter plugin removed page.");
$summary = false;
break;
} else {
if (!isset($summary[self::ROBOT_METAS])) {
$summary[self::ROBOT_METAS] = array();
}
$summary[self::ROBOT_METAS] += $actions;
}
}
}
}
/**
* Used to determine if an action involves just one yioop instance on
* the current local machine or not
*
* @param array $machine_urls urls of yioop instances to which the action
* applies
* @param string $index_timestamp if timestamp exists checks if the index
* has declared itself to be a no network index.
* @return bool whether it involves a single local yioop instance (true)
* or not (false)
*/
function isSingleLocalhost($machine_urls, $index_timestamp = -1)
{
if ($index_timestamp >= 0) {
$index_archive_name = self::index_data_base_name . $index_timestamp;
if (file_exists(CRAWL_DIR . "/cache/{$index_archive_name}/no_network.txt")) {
return true;
}
}
return count($machine_urls) <= 1 && UrlParser::isLocalhostUrl($machine_urls[0]);
}
/**
* Returns up to MAX_LINK_PER_PAGE many links from the supplied
* dom object where links have been canonicalized according to
* the supplied $site information.
*
* @param object $dom a document object with links on it
* @param string $sit a string containing a url
*
* @return array links from the $dom object
*/
static function links($dom, $site)
{
$sites = array();
$hyperlink = "http://schemas.openxmlformats.org/officeDocument/2006/" . "relationships/hyperlink";
$i = 0;
$relationships = $dom->getElementsByTagName("Relationships");
foreach ($relationships as $relationship) {
$relations = $relationship->getElementsByTagName("Relationship");
foreach ($relations as $relation) {
if (strcmp($relation->getAttribute('Type'), $hyperlink) == 0) {
if ($i < MAX_LINKS_TO_EXTRACT) {
$link = $relation->getAttribute('Target');
$url = UrlParser::canonicalLink($link, $site);
if (!UrlParser::checkRecursiveUrl($url) && strlen($url) < MAX_URL_LEN) {
if (isset($sites[$url])) {
$sites[$url] .= " " . $link;
} else {
$sites[$url] = $link;
}
$i++;
}
}
}
}
}
return $sites;
}
/**
* Returns up to MAX_LINK_PER_PAGE many links from the supplied
* dom object where links have been canonicalized according to
* the supplied $site information.
*
* @param object $dom a document object with links on it
* @param string $site a string containing a url
*
* @return array links from the $dom object
*/
static function links($dom, $site)
{
$sites = array();
$xpath = new DOMXPath($dom);
$paras = $xpath->evaluate("/p:sld//p:cSld//p:spTree//p:sp//\n p:txBody//a:p//a:r//a:rPr//a:hlinkClick");
$i = 0;
foreach ($paras as $para) {
if ($i < MAX_LINKS_TO_EXTRACT) {
$hlink = $para->parentNode->parentNode->getElementsByTagName("t")->item(0)->nodeValue;
$url = UrlParser::canonicalLink($hlink, $site);
$len = strlen($url);
if (!UrlParser::checkRecursiveUrl($url) && strlen($url) < MAX_URL_LEN && $len > 0) {
if (isset($sites[$url])) {
$sites[$url] .= " " . $hlink;
} else {
$sites[$url] = $hlink;
}
}
}
$i++;
}
return $sites;
}
/**
* Tries to determine the language of the document by looking at the
* $sample_text and $url provided
* the language
* @param string $sample_text sample text to try guess the language from
* @param string $url url of web-page as a fallback look at the country
* to figure out language
*
* @return string language tag for guessed language
*/
static function calculateLang($sample_text = NULL, $url = NULL)
{
if ($url != NULL) {
$lang = UrlParser::getDocumentType($url);
}
return $lang;
}
/**
* Returns links from the supplied dom object of a sitemap
* where links have been canonicalized according to
* the supplied $site information. We allow more links from a sitemap
* than from other kinds of documents. For now we are ignoring weighting
* info
*
* @param object $dom a document object with links on it
* @param string $site a string containing a url
*
* @return array links from the $dom object
*/
static function links($dom, $site)
{
$sites = array();
$xpath = new DOMXPath($dom);
$xpath->registerNamespace('s', "http://www.sitemaps.org/schemas/sitemap/0.9");
$paths = array("/s:urlset/s:url/s:loc", "/s:sitemapindex/s:sitemap/s:loc");
$i = 0;
foreach ($paths as $path) {
$nodes = @$xpath->evaluate($path);
foreach ($nodes as $node) {
$url = UrlParser::canonicalLink($node->textContent, $site);
if ($url === NULL || $url === "" || UrlParser::checkRecursiveUrl($url) || UrlParser::getDocumentType($url) == "gz" || strlen($url) >= MAX_URL_LEN) {
//at this point we can't handle gzip'd sitemaps
continue;
}
$sites[$url] = "From sitemap of " . $site;
$i++;
if ($i > MAX_LINKS_PER_SITEMAP) {
break 2;
}
}
}
return $sites;
}
/**
* Parses argument data
*
* @param array $data
*/
private function parseData($data = array())
{
// show help if requested and exit!
if (isset($data['help'])) {
require_once MANGA_ROOT_DIR . 'includes/templates/help/index.php';
exit;
}
$data = is_array($data) ? $data : array();
// image delay
$this->setImageDelay(Input::array_value($data, 'image-delay', '', 'trim'));
// chapter delay
$this->setChapterDelay(Input::array_value($data, 'chapter-delay', '', 'trim'));
// url
if (isset($data['url'])) {
$url = trim($data['url']);
if ($url == '') {
consoleLineError("Url parameter cannot be empty!");
exit;
}
$parsedData = UrlParser::parseUrl($url);
if (!$parsedData) {
consoleLineError("Provided url is not is not valid!");
exit;
} else {
$data['source'] = $parsedData['source'];
$data['slug'] = $parsedData['slug'];
$chapter = trim($parsedData['chapter']);
if ($chapter != '') {
$data['chapter-ids'] = $chapter;
$data['action'] = self::ACTION_SPECIFIC_CHAPTERS;
}
}
}
// check for valid params
$dataKeys = array_keys($data);
$diff = array_diff($dataKeys, $this->_allowed_param_names);
if (count($diff) > 0) {
consoleLineError("Invalid params: " . join(',', $diff), 2);
exit;
}
$this->_argumentsList = $data;
// action
$action = Input::array_value($data, 'action', '', 'trim');
if ($action == '') {
$action = self::ACTION_NEW_CHAPTERS;
}
if (!$this->isValidAction($action)) {
$this->displayInvalidActionMessage(TRUE);
} else {
$this->_action = $action;
if ($this->_action == self::ACTION_SPECIFIC_CHAPTERS) {
$chapterIds = Input::array_value($data, 'chapter-ids', '', 'trim');
if ($chapterIds == '') {
consoleLineError('One or more chapter ids are required when action is "' . self::ACTION_SPECIFIC_CHAPTERS . '"');
Console::emptyLines();
exit;
}
}
}
// source
$source = Input::array_value($data, 'source', MangaSourceList::SOUCE_MANGAPANDA, 'trim');
if (MangaSourceList::getInstance()->isValidSource($source)) {
$this->_source = $source;
} else {
MangaSourceList::getInstance()->displayInvalidMangaSourceMessage(TRUE);
}
// slug
$slug = Input::array_value($data, 'slug', '', 'trim');
if ($slug == '') {
consoleLineError('Manga slug is required!', 2);
consoleLinePurple('Example: --slug=nisekoi', 2);
Console::writeMultiline('Slug usualy means the SEO friendly name of the manga. But it can be different for different manga sources.The slug is part of the manga chapters list url.');
consoleLineInfo('');
exit;
}
$this->_mangaSlug = $slug;
// name
$name = Input::array_value($data, 'name', '', 'trim');
if ($name == '') {
$name = $this->_mangaSlug;
}
$this->_mangaName = $name;
// Output dir
$output_dir = Input::array_value($data, 'output-dir', '', 'trim');
if ($output_dir == '') {
$output_dir = './manga/' . $this->_source . '/' . $this->_mangaSlug . '/';
}
if (!is_dir($output_dir)) {
if (!mkdir($output_dir, 0777, TRUE)) {
consoleLineError("Unable to create output dir: " . $output_dir, 2);
consoleLineInfo('');
exit;
}
} else {
$tmpFile = tempnam($output_dir, 'mst-');
if (!fopen($tmpFile, 'w')) {
consoleLineError("Output dir is not writeable!" . $output_dir, 2);
consoleLineInfo('');
exit;
} else {
@unlink($tmpFile);
}
}
$this->_output_dir = $output_dir;
# chapters count
$chaptersCount = Input::array_value_as_int($data, 'chapters-count', 0);
if ($chaptersCount < 0) {
$chaptersCount = 0;
}
$this->_chapters_count = $chaptersCount;
# chapter ids
$chapterIds = Input::array_value($data, 'chapter-ids', '', 'trim');
if ($chapterIds == '') {
$this->_chapter_ids = array();
} else {
// is it a file?
if (is_readable($chapterIds)) {
$chapterIds = trim(file_get_contents($chapterIds));
}
$chapterIds = explode(',', $chapterIds);
$chapterIds = array_map('trim', $chapterIds);
// check for ranges
$chapterRangesIds = array();
foreach ($chapterIds as $k => $v) {
$cid = $chapterIds[$k];
if (preg_match('/([0-9.]+)\\s*-\\s*([0-9.]+)/im', $cid, $regs)) {
$chapterRangesIds[$k] = array('start' => $regs[1], 'end' => $regs[2]);
}
}
if (count($chapterRangesIds) > 0) {
// unset the range format entries first, as we are gonna get real
// chapter ids from that range next
foreach ($chapterRangesIds as $k => $rangeData) {
unset($chapterIds[$k]);
}
// get available chapters from ranges
foreach ($chapterRangesIds as $k => $rangeData) {
$start = $rangeData['start'];
$end = $rangeData['end'];
for ($i = $start; $i <= $end; $i += 1) {
$chapterIds[] = $i;
}
}
}
asort($chapterIds);
$chapterIds = array_unique($chapterIds);
$this->_chapter_ids = $chapterIds;
}
# create cbr
$createCbr = isset($data['create-cbr']) ? $data['create-cbr'] : TRUE;
$result = strtolower(exec('type -p rar'));
if (strpos($result, 'not found')) {
consoleLineError('rar doesnt seem to be installed in the system!');
$createCbr = FALSE;
}
$this->_create_cbr = $createCbr;
if (!$this->_create_cbr) {
consoleLineError('.cbr files will not be created!');
}
# no cbr backup
if ($this->_action == self::ACTION_RECREATE_CBR) {
$this->_no_cbr_backup = isset($data['no-cbr-backup']) && $data['no-cbr-backup'];
}
}
/**
* Tries to determine the language of the document by looking at the
* $sample_text and $url provided
* the language
* @param string $sample_text sample text to try guess the language from
* @param string $url url of web-page as a fallback look at the country
* to figure out language
*
* @return string language tag for guessed language
*/
static function calculateLang($sample_text = NULL, $url = NULL)
{
if ($url != NULL) {
$lang = UrlParser::getLang($url);
if ($lang != NULL) {
return $lang;
}
}
if ($sample_text != NULL) {
$words = mb_split("[[:space:]]|" . PUNCT, $sample_text);
$num_words = count($words);
$ascii_count = 0;
foreach ($words as $word) {
if (strlen($word) == mb_strlen($word)) {
$ascii_count++;
}
}
// crude, but let's guess ASCII == english
if ($ascii_count / $num_words > EN_RATIO) {
$lang = 'en';
} else {
$lang = NULL;
}
} else {
$lang = NULL;
}
return $lang;
}
<?php require_once './define.php'; require_once DIREC . '/common/common.php'; $parse = new UrlParser(); $url = $parse->urlParse($_SERVER['PATH_INFO']); $main = new MainController(); $main->run($url);
/**
* Implements post processing of recipes. recipes are extracted
* ingredients are scrubbed and recipes are clustered. The clustered
* recipes are added back to the index.
*
* @param string $index_name index name of the current crawl.
*/
function postProcessing($index_name)
{
global $INDEXING_PLUGINS;
if (!class_exists("SplHeap")) {
crawlLog("...Recipe Plugin Requires SPLHeap for clustering!");
crawlLog("...Aborting plugin");
return;
}
$locale_tag = guessLocale();
setLocaleObject($locale_tag);
$search_controller = new SearchController($INDEXING_PLUGINS);
$query = "recipe:all i:{$index_name}";
crawlLog("...Running Recipe Plugin!");
crawlLog("...Finding docs tagged as recipes.");
$more_docs = true;
$raw_recipes = array();
$limit = 0;
$num = 100;
while ($more_docs) {
$results = @$search_controller->queryRequest($query, $num, $limit, 1, $index_name);
if (isset($results["PAGES"]) && ($num_results = count($results["PAGES"])) > 0) {
$raw_recipes = array_merge($raw_recipes, $results["PAGES"]);
}
crawlLog("Scanning recipes {$limit} through " . ($limit + $num_results) . ".");
$limit += $num_results;
if (isset($results["SAVE_POINT"])) {
$end = true;
foreach ($results["SAVE_POINT"] as $save_point) {
if ($save_point != -1) {
$end = false;
}
}
if ($end) {
$more_docs = false;
}
} else {
$more_docs = false;
}
}
crawlLog("...Clustering.");
// only cluster if would make more than one cluster
if (count($raw_recipes) * CLUSTER_RATIO > 1) {
$recipes = array();
$i = 0;
foreach ($raw_recipes as $raw_recipe) {
$description = $raw_recipe[self::DESCRIPTION];
$ingredients = explode("||", $description);
if (is_array($ingredients) && count($ingredients) > 1) {
$recipes[$i][0] = $raw_recipe[self::TITLE];
$recipes[$i][1] = $ingredients;
$recipes[$i][2] = crawlHash($raw_recipe[self::URL]);
$recipes[$i][3] = $raw_recipe;
$i++;
}
}
$recipes_ingredients = array();
$count = count($recipes);
foreach ($recipes as $key => $recipe) {
foreach ($recipe[1] as $index => $ingredient) {
if (strlen($ingredient) != 0 && substr($ingredient, strlen($ingredient) - 1) != ":") {
$mainIngredient = $this->getIngredientName((string) $ingredient);
if (strlen($mainIngredient) != 0) {
$recipe[1][$index] = $mainIngredient;
} else {
unset($recipe[1][$index]);
}
} else {
unset($recipe[1][$index]);
}
}
$recipes[$key] = $recipe;
}
$count = count($recipes);
$k = 0;
$basic_ingredients = array('onion', 'oil', 'cheese', 'pepper', 'sauce', 'salt', 'milk', 'butter', 'flour', 'cake', 'garlic', 'cream', 'soda', 'honey', 'powder', 'sauce', 'water', 'vanilla', 'pepper', 'bread', 'sugar', 'vanillaextract', 'celery', 'seasoning', 'syrup', 'skewers', 'egg', 'muffin', 'ginger', 'basil', 'oregano', 'cinammon', 'cumin', 'mayonnaise', 'mayo', 'chillipowder', 'lemon', 'greens', 'yogurt', 'margarine', 'asparagus', 'halfhalf', 'pancakemix', 'coffee', 'cookies', 'lime', 'chillies', 'cilantro', 'rosemary', 'vanillaextract', 'vinegar', 'shallots', 'wine', 'cornmeal', 'nonstickspray');
for ($i = 0; $i < $count; $i++) {
$recipe1_main_ingredient = "";
$recipe1 = $recipes[$i][1];
$recipe_name = $recipes[$i][0];
$recipe1_title = strtolower($recipes[$i][0]);
$distinct_ingredients[$recipe_name] = $recipes[$i][1];
$doc_keys[$recipe_name] = $recipes[$i][2];
$recipes_summary[$recipe_name] = $recipes[$i][3];
for ($j = $i + 1; $j < $count; $j++) {
$recipe2_main_ingredient = "";
$recipe2 = $recipes[$j][1];
$recipe2_title = strtolower($recipes[$j][0]);
$weights[$k][0] = $recipes[$i][0];
$weights[$k][1] = $recipes[$j][0];
$merge_array = array_merge($recipe1, $recipe2);
$vector_array = array_unique($merge_array);
sort($vector_array);
$recipe1_vector = array_fill_keys($vector_array, 0);
$recipe2_vector = array_fill_keys($vector_array, 0);
foreach ($recipe1 as $ingredient) {
if ($ingredient != "" && !in_array($ingredient, $basic_ingredients)) {
if (strstr($recipe1_title, $ingredient)) {
$recipe1_main_ingredient = $ingredient;
}
}
$recipe1_vector[$ingredient] = 1;
}
foreach ($recipe2 as $ingredient) {
if ($ingredient != "" && !in_array($ingredient, $basic_ingredients)) {
if (strstr($recipe2_title, $ingredient)) {
$recipe2_main_ingredient = $ingredient;
}
}
$recipe2_vector[$ingredient] = 1;
}
$edge_weight = 0;
$matches = 1;
foreach ($vector_array as $vector) {
$diff = $recipe1_vector[$vector] - $recipe2_vector[$vector];
$vector_diff[$vector] = pow($diff, 2);
if (abs($diff) == 1) {
$matches += 1;
}
$edge_weight += $vector_diff[$vector];
}
$main_ingredient_match = 1;
if ($recipe1_main_ingredient != $recipe2_main_ingredient) {
$main_ingredient_match = 1000;
}
$edge_weight = sqrt($edge_weight) * $matches * $main_ingredient_match;
$weights[$k][2] = $edge_weight;
$k++;
}
}
crawlLog("...Making new shard with clustered recipes as docs.");
$clusters = kruskalClustering($weights, $count, $distinct_ingredients);
$index_shard = new IndexShard("cluster_shard");
$word_lists = array();
$recipe_sites = array();
foreach ($clusters as $cluster) {
$count = count($cluster);
for ($i = 0; $i < $count - 1; $i++) {
$meta_ids = array();
$summary = array();
$recipe = $cluster[$i];
$summary[self::URL] = $recipes_summary[$recipe][self::URL];
$summary[self::TITLE] = $recipes_summary[$recipe][self::TITLE];
$summary[self::DESCRIPTION] = $recipes_summary[$recipe][self::DESCRIPTION];
$summary[self::TIMESTAMP] = $recipes_summary[$recipe][self::TIMESTAMP];
$summary[self::ENCODING] = $recipes_summary[$recipe][self::ENCODING];
$summary[self::HASH] = $recipes_summary[$recipe][self::HASH];
$doc_keys[$recipe] = crawlHash($summary[self::URL], true);
$hash_rhost = "r" . substr(crawlHash(UrlParser::getHost($summary[self::URL]) . "/", true), 1);
$doc_keys[$recipe] .= $summary[self::HASH] . $hash_rhost;
$summary[self::TYPE] = $recipes_summary[$recipe][self::TYPE];
$summary[self::HTTP_CODE] = $recipes_summary[$recipe][self::HTTP_CODE];
$recipe_sites[] = $summary;
$meta_ids[] = "ingredient:" . trim($cluster["ingredient"]);
crawlLog("ingredient:" . $cluster["ingredient"]);
if (!$index_shard->addDocumentWords($doc_keys[$recipe], self::NEEDS_OFFSET_FLAG, $word_lists, $meta_ids, true, false)) {
crawlLog("Problem inserting recipe: " . $summary[self::TITLE]);
}
}
}
$shard_string = $index_shard->save(true);
$index_shard = IndexShard::load("cluster_shard", $shard_string);
unset($shard_string);
crawlLog("...Adding recipe shard to index archive bundle");
$dir = CRAWL_DIR . "/cache/" . self::index_data_base_name . $index_name;
$index_archive = new IndexArchiveBundle($dir, false);
if ($index_shard->word_docs_packed) {
$index_shard->unpackWordDocs();
}
$generation = $index_archive->initGenerationToAdd($index_shard);
if (isset($recipe_sites)) {
crawlLog("... Adding " . count($recipe_sites) . " recipe docs.");
$index_archive->addPages($generation, self::SUMMARY_OFFSET, $recipe_sites, 0);
}
$k = 0;
foreach ($recipe_sites as $site) {
$recipe = $site[self::TITLE];
$hash = crawlHash($site[self::URL], true) . $site[self::HASH] . "r" . substr(crawlHash(UrlParser::getHost($site[self::URL]) . "/", true), 1);
$summary_offsets[$hash] = $site[self::SUMMARY_OFFSET];
}
$index_shard->changeDocumentOffsets($summary_offsets);
$index_archive->addIndexData($index_shard);
$index_archive->saveAndAddCurrentShardDictionary();
$index_archive->dictionary->mergeAllTiers();
$this->db->setWorldPermissionsRecursive(CRAWL_DIR . '/cache/' . self::index_data_base_name . $index_name);
crawlLog("...Recipe plugin finished.");
}
}
require_once(AT_INCLUDE_PATH.'lib/constants.inc.php');
require_once(AT_INCLUDE_PATH.'lib/mysql_connect.inc.php');
//require_once(AT_INCLUDE_PATH.'vitals.inc.php');
//mimic config variables, vitals.inc.php 135-140
/* get config variables. if they're not in the db then it uses the installation default value in constants.inc.php */
$sql = "SELECT * FROM ".TABLE_PREFIX."config";
$result = mysql_query($sql, $db);
while ($row = mysql_fetch_assoc($result)) {
$_config[$row['name']] = $row['value'];
}
//Get path info
$pathinfo = getPathInfo();
$url_parser = new UrlParser($pathinfo);
$path_array = $url_parser->getPathArray();
$_pretty_url_course_id = $path_array[0];
$obj = $path_array[1];
if (!$obj->isEmpty()){
/*
* Addresses the issue for relative uri
* @refer to constants.inc.php $_rel_link
*/
$_rel_url = $obj->redirect();
$var_query = $obj->parsePrettyQuery();
save2Get($var_query); //remake all the _GET and _REQUEST variables so that the vitals can use it
$_user_location = ''; //reset user_location so that the vital file in each page would validate
$pretty_current_page = $obj->getPage();
/**
* 在这个方法内定义是否分析处理该 url 内容中的链接
* @param string $url
* @return boolean
*/
protected function isFollowUrl($url)
{
return parent::isFollowUrl($url);
}
/**
* Parses the contents of a robots.txt page extracting allowed,
* disallowed paths, crawl-delay, and sitemaps. We also extract a
* list of all user agent strings seen.
*
* @param string $page text string of a document
* @param string $url location the document came from, not used by
* TextProcessor at this point. Some of its subclasses override
* this method and use url to produce complete links for
* relative links within a document
*
* @return array a summary of (title, description, links, and content) of
* the information in $page
*/
function process($page, $url)
{
$summary = NULL;
$summary[self::TITLE] = "";
$summary[self::DESCRIPTION] = "";
$summary[self::LANG] = NULL;
$summary[self::ROBOT_PATHS] = array();
$summary[self::AGENT_LIST] = array();
$summary[self::LINKS] = array();
$host_url = UrlParser::getHost($url);
$lines = explode("\n", $page);
$add_rule_state = false;
$rule_added_flag = false;
$delay_flag = false;
$delay = 0;
foreach ($lines as $pre_line) {
$pre_line_parts = explode("#", $pre_line);
$line = $pre_line_parts[0];
$line_parts = explode(":", $line);
if (!isset($line_parts[1])) {
continue;
}
$field = array_shift($line_parts);
$value = implode(":", $line_parts);
//notice we lower case field, so switch below is case insensitive
$field = strtolower(trim($field));
$value = trim($value);
$specificness = 0;
if (strlen($value) == 0) {
continue;
}
switch ($field) {
case "user-agent":
//we allow * in user agent string
$summary[self::AGENT_LIST][] = $value;
$current_specificness = strcmp($value, USER_AGENT_SHORT) == 0 ? 1 : 0;
if ($current_specificness < $specificness) {
break;
}
if ($specificness < $current_specificness) {
//Give precedence to exact match on agent string
$specificness = $current_specificness;
$add_rule_state = true;
$summary[self::ROBOT_PATHS] = array();
break;
}
$agent_parts = explode("*", $value);
$offset = 0;
$add_rule_state = true;
foreach ($agent_parts as $part) {
if ($part == "") {
continue;
}
$new_offset = stripos(USER_AGENT_SHORT, $part, $offset);
if ($new_offset === false) {
$add_rule_state = false;
break;
}
$offset = $new_offset;
}
break;
case "sitemap":
$tmp_url = UrlParser::canonicalLink($value, $host_url);
if (!UrlParser::checkRecursiveUrl($tmp_url) && strlen($tmp_url) < MAX_URL_LEN) {
$summary[self::LINKS][] = $tmp_url;
}
break;
case "allow":
if ($add_rule_state) {
$rule_added_flag = true;
$summary[self::ROBOT_PATHS][self::ALLOWED_SITES][] = $this->makeCanonicalRobotPath($value);
}
break;
case "disallow":
if ($add_rule_state) {
$rule_added_flag = true;
$summary[self::ROBOT_PATHS][self::DISALLOWED_SITES][] = $this->makeCanonicalRobotPath($value);
}
break;
case "crawl-delay":
if ($add_rule_state) {
$delay_flag = true;
$delay = max($delay, intval($value));
}
break;
}
}
if ($delay_flag) {
if ($delay > MAXIMUM_CRAWL_DELAY) {
$summary[self::ROBOT_PATHS][self::DISALLOWED_SITES][] = "/";
} else {
$summary[self::CRAWL_DELAY] = $delay;
}
}
$summary[self::PAGE] = "<html><body><pre>" . strip_tags($page) . "</pre></body></html>";
return $summary;
}
/**
* Builds an inverted index shard (word --> {docs it appears in})
* for the current batch of SEEN_URLS_BEFORE_UPDATE_SCHEDULER many pages.
* This inverted index shard is then merged by a queue_server
* into the inverted index of the current generation of the crawl.
* The complete inverted index for the whole crawl is built out of these
* inverted indexes for generations. The point of computing a partial
* inverted index on the fetcher is to reduce some of the computational
* burden on the queue server. The resulting mini index computed by
* buildMiniInvertedIndex() is stored in
* $this->found_sites[self::INVERTED_INDEX]
*
*/
function buildMiniInvertedIndex()
{
$start_time = microtime();
$keypad = "";
crawlLog(" Start building mini inverted index ... Current Memory:" . memory_get_usage());
$num_seen = count($this->found_sites[self::SEEN_URLS]);
$this->num_seen_sites += $num_seen;
/*
for the fetcher we are not saving the index shards so
name doesn't matter.
*/
if (!isset($this->found_sites[self::INVERTED_INDEX][$this->current_server])) {
$this->found_sites[self::INVERTED_INDEX][$this->current_server] = new IndexShard("fetcher_shard_{$this->current_server}");
}
for ($i = 0; $i < $num_seen; $i++) {
$interim_time = microtime();
$site = $this->found_sites[self::SEEN_URLS][$i];
if (!isset($site[self::HASH]) || isset($site[self::ROBOT_METAS]) && in_array("JUSTFOLLOW", $site[self::ROBOT_METAS])) {
continue;
}
$doc_rank = false;
if ($this->crawl_type == self::ARCHIVE_CRAWL && isset($this->archive_iterator)) {
$doc_rank = $this->archive_iterator->weight($site);
}
if (isset($site[self::TYPE]) && $site[self::TYPE] == "link") {
$is_link = true;
$doc_keys = $site[self::HTTP_CODE];
$site_url = $site[self::TITLE];
$host = UrlParser::getHost($site_url);
$link_parts = explode('|', $site[self::HASH]);
if (isset($link_parts[5])) {
$link_origin = $link_parts[5];
} else {
$link_origin = $site_url;
}
$meta_ids = PhraseParser::calculateLinkMetas($site_url, $host, $site[self::DESCRIPTION], $link_origin);
} else {
$is_link = false;
$site_url = str_replace('|', "%7C", $site[self::URL]);
$host = UrlParser::getHost($site_url);
$doc_keys = crawlHash($site_url, true) . $site[self::HASH] . "d" . substr(crawlHash($host . "/", true), 1);
$meta_ids = PhraseParser::calculateMetas($site, $this->video_sources);
}
$word_lists = array();
/*
self::JUST_METAS check to avoid getting sitemaps in results for
popular words
*/
$lang = NULL;
if (!isset($site[self::JUST_METAS])) {
$host_words = UrlParser::getWordsIfHostUrl($site_url);
$path_words = UrlParser::getWordsLastPathPartUrl($site_url);
if ($is_link) {
$phrase_string = $site[self::DESCRIPTION];
} else {
if (isset($site[self::LANG])) {
if (isset($this->programming_language_extension[$site[self::LANG]])) {
$phrase_string = $site[self::DESCRIPTION];
} else {
$phrase_string = $host_words . " " . $site[self::TITLE] . " " . $path_words . " " . $site[self::DESCRIPTION];
}
} else {
$phrase_string = $host_words . " " . $site[self::TITLE] . " " . $path_words . " " . $site[self::DESCRIPTION];
}
}
if (isset($site[self::LANG])) {
$lang = guessLocaleFromString(mb_substr($site[self::DESCRIPTION], 0, AD_HOC_TITLE_LENGTH), $site[self::LANG]);
}
$word_lists = PhraseParser::extractPhrasesInLists($phrase_string, $lang);
$len = strlen($phrase_string);
if (isset($this->programming_language_extension[$lang]) || PhraseParser::computeSafeSearchScore($word_lists, $len) < 0.012) {
$meta_ids[] = "safe:true";
$safe = true;
} else {
$meta_ids[] = "safe:false";
$safe = false;
}
}
if (!$is_link) {
//store inlinks so they can be searched by
$num_links = count($site[self::LINKS]);
if ($num_links > 0) {
$link_rank = false;
if ($doc_rank !== false) {
$link_rank = max($doc_rank - 1, 1);
}
} else {
$link_rank = false;
}
}
$num_queue_servers = count($this->queue_servers);
if (isset($site[self::USER_RANKS]) && count($site[self::USER_RANKS]) > 0) {
$score_keys = "";
foreach ($site[self::USER_RANKS] as $label => $score) {
$score_keys .= packInt($score);
}
if (strlen($score_keys) % 8 != 0) {
$score_keys .= $keypad;
}
$doc_keys .= $score_keys;
}
$this->found_sites[self::INVERTED_INDEX][$this->current_server]->addDocumentWords($doc_keys, self::NEEDS_OFFSET_FLAG, $word_lists, $meta_ids, PhraseParser::$materialized_metas, true, $doc_rank);
/*
$this->no_process_links is set when doing things like
mix recrawls. In this case links likely already will appear
in what indexing, so don't index again. $site[self::JUST_META]
is set when have a sitemap or robots.txt (this case set later).
In this case link info is not particularly useful for indexing
and can greatly slow building inverted index.
*/
if (!$this->no_process_links && !isset($site[self::JUST_METAS]) && !isset($this->programming_language_extension[$lang])) {
foreach ($site[self::LINKS] as $url => $link_text) {
/* this mysterious check means won't index links from
robots.txt. Sitemap will still be in TO_CRAWL, but that's
done elsewhere
*/
if (strlen($url) == 0 || is_numeric($url)) {
continue;
}
$link_host = UrlParser::getHost($url);
if (strlen($link_host) == 0) {
continue;
}
$part_num = calculatePartition($link_host, $num_queue_servers);
$summary = array();
if (!isset($this->found_sites[self::LINK_SEEN_URLS][$part_num])) {
$this->found_sites[self::LINK_SEEN_URLS][$part_num] = array();
}
$elink_flag = $link_host != $host ? true : false;
$link_text = strip_tags($link_text);
$ref = $elink_flag ? "eref" : "iref";
$url = str_replace('|', "%7C", $url);
$link_id = "url|" . $url . "|text|" . urlencode($link_text) . "|{$ref}|" . $site_url;
$elink_flag_string = $elink_flag ? "e" : "i";
$link_keys = crawlHash($url, true) . crawlHash($link_id, true) . $elink_flag_string . substr(crawlHash($host . "/", true), 1);
$summary[self::URL] = $link_id;
$summary[self::TITLE] = $url;
// stripping html to be on the safe side
$summary[self::DESCRIPTION] = $link_text;
$summary[self::TIMESTAMP] = $site[self::TIMESTAMP];
$summary[self::ENCODING] = $site[self::ENCODING];
$summary[self::HASH] = $link_id;
$summary[self::TYPE] = "link";
$summary[self::HTTP_CODE] = $link_keys;
$summary[self::LANG] = $lang;
$this->found_sites[self::LINK_SEEN_URLS][$part_num][] = $summary;
$link_word_lists = PhraseParser::extractPhrasesInLists($link_text, $lang);
$link_meta_ids = PhraseParser::calculateLinkMetas($url, $link_host, $link_text, $site_url);
if (!isset($this->found_sites[self::INVERTED_INDEX][$part_num])) {
$this->found_sites[self::INVERTED_INDEX][$part_num] = new IndexShard("fetcher_shard_{$part_num}");
}
$this->found_sites[self::INVERTED_INDEX][$part_num]->addDocumentWords($link_keys, self::NEEDS_OFFSET_FLAG, $link_word_lists, $link_meta_ids, PhraseParser::$materialized_metas, false, $link_rank);
}
}
$iterim_elapse = changeInMicrotime($interim_time);
if ($iterim_elapse > 5) {
crawlLog("..Inverting " . $site[self::URL] . "...took > 5s.");
}
crawlTimeoutLog("..Still building inverted index. Have processed " . "%s of %s documents.\nLast url processed was %s.", $i, $num_seen, $site[self::URL]);
}
if ($this->crawl_type == self::ARCHIVE_CRAWL) {
$this->recrawl_check_scheduler = true;
}
crawlLog(" Build mini inverted index time " . changeInMicrotime($start_time));
}
/**
* Used to compute all the meta ids for a given link with $url
* and $link_text that was on a site with $site_url.
*
* @param string $url url of the link
* @param string $link_host url of the host name of the link
* @param string $link_text text of the anchor tag link came from
* @param string $site_url url of the page link was on
*/
static function calculateLinkMetas($url, $link_host, $link_text, $site_url)
{
global $IMAGE_TYPES;
$link_meta_ids = array();
if (strlen($link_host) == 0) {
continue;
}
if (substr($link_text, 0, 9) == "location:") {
$location_link = true;
$link_meta_ids[] = $link_text;
$link_meta_ids[] = "location:all";
$link_meta_ids[] = "location:" . crawlHash($site_url);
}
$link_type = UrlParser::getDocumentType($url);
$link_meta_ids[] = "media:all";
$link_meta_ids[] = "safe:all";
if (in_array($link_type, $IMAGE_TYPES)) {
$link_meta_ids[] = "media:image";
if (isset($safe) && !$safe) {
$link_meta_ids[] = "safe:false";
}
} else {
$link_meta_ids[] = "media:text";
}
$link_meta_ids[] = "link:all";
return $link_meta_ids;
}
/**
* If pretty URL within admin config is switched on. We will apply pretty URL
* to all the links in ATutor. This function will authenticate itself towards the current pages.
* In our definition, admins, login, registration pages shouldn't have pretty url applied. However,
* if one want to use url_rewrite on these pages, please force it by using the third parameter.
* Note: If system config has turned off this feature, $force will have no effect.
* @param string the Url should be a relative link, have to improve this later on, to check if
* it's a relative link, if not, truncate it.
* @param boolean Available values are AT_PRETTY_URL_IS_HEADER, AT_PRETTY_URL_NOT_HEADER(default)
* use AT_PRETTY_URL_IS_HEADER if url_rewrite is used in php header('Location:..'), absolute path is needed for this.
* @param boolean true to force the url_rewrite, false otheriwse. False is the default.
* @author Harris Wong
*/
function url_rewrite($url, $is_rewriting_header = AT_PRETTY_URL_NOT_HEADER, $force = false)
{
global $_config, $db;
$url_parser = new UrlParser();
$pathinfo = $url_parser->getPathArray();
/* If this is any kind of admins, don't prettify the url
* $_SESSION['is_guest'] is used to check against login/register/browse page, the links on this page will
* only be prettified when a user has logged in.
* Had used $_SESSION[valid_user] before but it created this problem:
* http://www.atutor.ca/atutor/mantis/view.php?id=3426
*/
if ($force || isset($_SESSION['course_id']) && $_SESSION['course_id'] > 0) {
//if course id is defined, apply pretty url.
} else {
if (admin_authenticate(AT_ADMIN_PRIV_ADMIN, AT_PRIV_RETURN) || isset($_SESSION['privileges']) && admin_authenticate($_SESSION['privileges'], AT_PRIV_RETURN) || isset($_SESSION['is_guest']) && $_SESSION['is_guest'] == 1) {
return $url;
}
}
//if we allow pretty url in the system
if ($_config['pretty_url'] > 0) {
$course_id = 0;
//If we allow course dir name from sys perf
if ($_config['course_dir_name'] > 0) {
if (preg_match('/bounce.php\\?course=([\\d]+)$/', $url, $matches) == 1) {
// bounce has the highest priority, even if session is set, work on
// bounce first.
$course_id = $url_parser->getCourseDirName($matches[1]);
} elseif (isset($_REQUEST['course'])) {
//jump menu
$course_id = $url_parser->getCourseDirName($_REQUEST['course']);
} elseif (isset($_REQUEST['p_course'])) {
// is set when guests access public course. @see bounce.php
$course_id = $url_parser->getCourseDirName($_REQUEST['p_course']);
} elseif (isset($_SESSION['course_id']) && $_SESSION['course_id'] > 0) {
$course_id = $url_parser->getCourseDirName($_SESSION['course_id']);
}
} else {
if (isset($_SESSION['course_id'])) {
$course_id = $_SESSION['course_id'];
}
}
$url = $pathinfo[1]->convertToPrettyUrl($course_id, $url);
} elseif ($_config['course_dir_name'] > 0) {
//enabled course directory name, disabled pretty url
if (preg_match('/bounce.php\\?course=([\\d]+)$/', $url, $matches) == 1) {
// bounce has the highest priority, even if session is set, work on
// bounce first.
$course_id = $url_parser->getCourseDirName($matches[1]);
} elseif (isset($_REQUEST['course'])) {
$course_id = $url_parser->getCourseDirName($_REQUEST['course']);
} elseif (isset($_REQUEST['p_course'])) {
// is set when guests access public course. @see bounce.php
$course_id = $url_parser->getCourseDirName($_REQUEST['p_course']);
} elseif (isset($_SESSION['course_id']) && $_SESSION['course_id'] > 0) {
$course_id = $url_parser->getCourseDirName($_SESSION['course_id']);
}
$url = $pathinfo[1]->convertToPrettyUrl($course_id, $url);
}
//instead of putting AT_BASE_HREF in all the headers location, we will put it here.
//Abs paths are required for pretty url because otherwise the url location will be appeneded.
//ie. ATutor_161/blogs/CoURSe_rOAd/blogs/view.php/ot/1/oid/1/ instead of
// ATutor_161/CoURSe_rOAd/blogs/view.php/ot/1/oid/1/
if ($is_rewriting_header == true) {
return AT_BASE_HREF . $url;
}
return $url;
}
/**
* Takes page summaries for RSS pages and the current query
* and draws list of news links and a link to the news link subsearch
* page if applicable.
*
* @param array $feed_pages page data from news feeds
* @param string $base_query the query_string prefix
* @param string $query the current search query
* @param string $subsearch name of subsearch page this image group on
* @param boolean $open_in_tabs whether new links should be opened in
* tabs
*/
function render($feed_pages, $base_query, $query, $subsearch, $open_in_tabs = false)
{
if ($subsearch != 'news') {
$not_news = true;
?>
<h2><a href="<?php
e("{$base_query}&q={$query}&s=news");
?>
"
><?php
e(tl('feeds_helper_view_feed_results', $query));
?>
</a></h2>
<?php
} else {
$not_news = false;
}
?>
<div class="feed-list">
<?php
$time = time();
foreach ($feed_pages as $page) {
$pub_date = $page[self::SUMMARY_OFFSET][0][4];
$encode_source = urlencode(urlencode($page[self::SOURCE_NAME]));
if (isset($page[self::URL])) {
if (strncmp($page[self::URL], "url|", 4) == 0) {
$url_parts = explode("|", $page[self::URL]);
$url = $url_parts[1];
$title = UrlParser::simplifyUrl($url, 60);
$subtitle = "title='" . $page[self::URL] . "'";
} else {
$url = $page[self::URL];
$title = $page[self::TITLE];
if (strlen(trim($title)) == 0) {
$title = UrlParser::simplifyUrl($url, 60);
}
$subtitle = "";
}
} else {
$url = "";
$title = isset($page[self::TITLE]) ? $page[self::TITLE] : "";
$subtitle = "";
}
$pub_date = $this->getPubdateString($time, $pub_date);
if ($not_news) {
?>
<div class="blockquote">
<a href="<?php
e($page[self::URL]);
?>
" rel="nofollow" <?php
if ($open_in_tabs) {
?>
target="_blank" <?php
}
?>
><?php
e($page[self::TITLE]);
?>
</a>
<a class="gray-link" rel='nofollow' href="<?php
e($base_query . "&q=media:news:" . $encode_source . "&s=news");
?>
" ><?php
e($page[self::SOURCE_NAME] . "</a>" . "<span class='gray'> - {$pub_date}</span>");
?>
</span>
</div>
<?php
} else {
?>
<div class="results">
<h2><a href="<?php
e($page[self::URL]);
?>
" rel="nofollow" <?php
if ($open_in_tabs) {
?>
target="_blank" <?php
}
?>
><?php
e($page[self::TITLE]);
?>
</a>.
<a class="gray-link" rel='nofollow' href="<?php
e($base_query . "&q=media:news:" . $encode_source . "&s=news");
?>
" ><?php
e($page[self::SOURCE_NAME] . "</a>" . "<span class='gray'> - {$pub_date}</span>");
?>
</h2>
<p class="echo-link" <?php
e($subtitle);
?>
><?php
e(UrlParser::simplifyUrl($url, 100) . " ");
?>
</p>
<?php
$description = isset($page[self::DESCRIPTION]) ? $page[self::DESCRIPTION] : "";
e("<p>{$description}</p>");
?>
</div>
<?php
}
}
?>
</div>
<?php
}
/**
* Guess mime type based on extension of the file
*
* @param string $file_name name of the file
* @return string $mime_type for the given file name
*/
static function guessMimeTypeFromFileName($file_name)
{
$mime_type_map = array("bmp" => 'image/bmp', "doc" => 'application/msword', "epub" => 'application/epub+zip', "gif" => 'image/gif', "asp" => 'text/asp', "aspx" => 'text/asp', 'cgi' => 'text/html', "cfm" => 'text/html', "cfml" => 'text/html', "do" => 'text/html', "htm" => 'text/html', "html" => 'text/html', "jsp" => 'text/html', "php" => 'text/html', "pl" => 'text/html', "java" => 'text/java', "py" => 'text/py', "shtml" => 'text/html', "jpg" => 'image/jpeg', "jpeg" => 'image/jpeg', "pdf" => 'application/pdf', "png" => 'image/png', "ppt" => 'application/vnd.ms-powerpoint', "pptx" => 'application/vnd.openxmlformats-officedocument.' . 'presentationml.presentation', "rss" => 'application/rss+xml', "rtf" => 'text/rtf', "svg" => 'image/svg+xml', "csv" => 'text/csv', "tab" => 'text/tab-separated-values', "tsv" => 'text/x-java-source', "txt" => 'text/plain', "xlsx" => 'application/vnd.openxmlformats-officedocument.' . 'spreadsheetml.sheet', "xml" => 'text/gitxml', "js" => 'text/plain', "c" => 'text/plain', "cc" => 'text/plain', "cs" => 'text/plain');
$extension = UrlParser::getDocumentType($file_name);
if (isset($mime_type_map[$extension])) {
$mime_type = $mime_type_map[$extension];
} else {
$mime_type = "text/plain";
}
return $mime_type;
}
/**
* Gets the cached version of a web page from the machine on which it was
* fetched.
*
* Complete cached versions of web pages typically only live on a fetcher
* machine. The queue server machine typically only maintains summaries.
* This method makes a REST request of a fetcher machine for a cached page
* and get the results back.
*
* @param string $machine the ip address of domain name of the machine the
* cached page lives on
* @param string $machine_uri the path from document root on $machine where
* the yioop scripts live
* @param int $partition the partition in the WebArchiveBundle the page is
* in
* @param int $offset the offset in bytes into the WebArchive partition in
* the WebArchiveBundle at which the cached page lives.
* @param string $crawl_time the timestamp of the crawl the cache page is
* from
* @param int $instance_num which fetcher instance for the particular
* fetcher crawled the page (if more than one), false otherwise
* @return array page data of the cached page
*/
function getCacheFile($machine, $machine_uri, $partition, $offset, $crawl_time, $instance_num = false)
{
$time = time();
$session = md5($time . AUTH_KEY);
if ($machine == '::1') {
//IPv6 :(
$machine = "[::1]";
//used if the fetching and queue serving were on the same machine
}
// we assume all machines use the same scheme & port of the name server
$port = UrlParser::getPort(NAME_SERVER);
$scheme = UrlParser::getScheme(NAME_SERVER);
$request = "{$scheme}://{$machine}:{$port}{$machine_uri}?c=archive&a=cache&" . "time={$time}&session={$session}&partition={$partition}&offset={$offset}" . "&crawl_time={$crawl_time}";
if ($instance_num !== false) {
$request .= "&instance_num={$instance_num}";
}
$tmp = FetchUrl::getPage($request);
$page = @unserialize(base64_decode($tmp));
$page['REQUEST'] = $request;
return $page;
}