181 lines
8.4 KiB
PHP
181 lines
8.4 KiB
PHP
<?php
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namespace Aowow;
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if (!defined('AOWOW_REVISION'))
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die('invalid access');
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// assumptions
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// every character in this sitemap will be bog-standard ANSI
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// so it consumes 1 Byte in UTF-8
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// every item is thus <140 byte
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// so we hit 50k entries and have ~3.5MB storage capacity left
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class Sitemap
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{
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public const /* string */ ERR_TITLE = 'Invalid sitemap';
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public const /* string */ ERR_PAGE = 'This sitemap does not exist.';
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public const /* string */ ERR_OFFSET = 'The maximum page for this sitemap is %d.';
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private const /* int */ MAX_ENTRIES = 50000;
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private const /* int */ LASTMOD_BASE = 1435701600; // 01.07.2015 - 00:00:00
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public static int $maxPage = 0;
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private static string $page = '';
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private static int $offset = 1;
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private static array $validPages = array(
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'npc' => [Type::NPC, '::creature', 'IF(x.`cuFlags` & 0x40000000, 0.1, 0.4)'],
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'object' => [Type::OBJECT, '::objects', 'IF(x.`cuFlags` & 0x40000000, 0.1, 0.4)'],
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'item' => [Type::ITEM, '::items', 'IF(x.`cuFlags` & 0x40000000, 0.1, IF(src.`typeId` IS NULL, 0.5, 0.7))'],
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'itemset' => [Type::ITEMSET, '::itemset', 'IF(x.`cuFlags` & 0x40000000, 0.1, 0.7)'],
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'quest' => [Type::QUEST, '::quests', 'IF(x.`cuFlags` & 0x40000000, 0.1, IF(src.`typeId` IS NULL, 0.3, 0.5))'],
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'spell' => [Type::SPELL, '::spell', 'IF(x.`cuFlags` & 0x40000000, 0.1, IF(src.`typeId` IS NULL, 0.5, 0.8))'],
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'zone' => [Type::ZONE, '::zones', 'IF(x.`cuFlags` & 0x40000000, 0.1, 0.4)'],
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'faction' => [Type::FACTION, '::factions', 'IF(x.`cuFlags` & 0x40000000, 0.1, 0.4)'],
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'pet' => [Type::PET, '::pet', 'IF(x.`cuFlags` & 0x40000000, 0.1, 0.4)'],
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'achievement' => [Type::ACHIEVEMENT, '::achievement', 'IF(x.`cuFlags` & 0x40000000, 0.1, IF(x.`category` = 81, 0.6, IF(x.`category` IN (1, 122, 133, 141, 134, 14807, 131, 130, 128, 132, 21, 124, 135, 126, 154, 125, 140, 145, 147, 136, 127, 152, 153, 191, 123, 14822, 14821, 14823, 137, 178, 173, 14963, 15021, 15062), 0.3, 0.4)))'],
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'title' => [Type::TITLE, '::titles', 'IF(x.`cuFlags` & 0x40000000, 0.1, IF(src.`typeId` IS NULL, 0.3, 0.4))'],
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'event' => [Type::WORLDEVENT, '::events', 'IF(x.`cuFlags` & 0x40000000, 0.1, IF(x.`holidayId` = 0, 0.2, 0.4))'],
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'class' => [Type::CHR_CLASS, '::classes', 'IF(x.`cuFlags` & 0x40000000, 0.1, 0.7)'],
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'race' => [Type::CHR_RACE, '::races', 'IF(x.`cuFlags` & 0x40000000, 0.1, 0.7)'],
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'skill' => [Type::SKILL, '::skillline', 'IF(x.`cuFlags` & 0x40000000, 0.1, IF(x.`typeCat` IN(11, 9), 0.5, IF(x.`typeCat` IN (8, 6), 0.4, 0.3)))'],
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'currency' => [Type::CURRENCY, '::currencies', 'IF(x.`cuFlags` & 0x40000000, 0.1, IF(x.`category` = 3, 0.2, IF(x.`description_loc0`, 0.4, 0.3)))'],
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'sound' => [Type::SOUND, '::sounds', 'IF(x.`cuFlags` & 0x40000000, 0.1, 0.3)'],
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'icon' => [Type::ICON, '::icons', 'IF(x.`cuFlags` & 0x40000000, 0.1, 0.3)'],
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'emote' => [Type::EMOTE, '::emotes', 'IF(x.`cuFlags` & 0x40000000, 0.1, 0.3)'],
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'enchantment' => [Type::ENCHANTMENT, '::itemenchantment', 'IF(x.`cuFlags` & 0x40000000, 0.1, IF(x.`type1` IN (1, 7) OR x.`type2` IN (1, 7) OR x.`type3` IN (1, 7), 0.4, 0.3))'],
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'areatrigger' => [Type::AREATRIGGER, '::areatrigger', 'IF(x.`cuFlags` & 0x40000000, 0.1, 0.3)'],
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'mail' => [Type::MAIL, '::mails', 'IF(x.`cuFlags` & 0x40000000, 0.1, 0.3)']
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// 'guide' => [Type::GUIDE, '::guides', ''] super low prio .. need a way to filter for publicly visible guides
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);
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public static function generate(string $page, int $offset) : ?string
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{
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self::$page = $page;
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self::$offset = $offset;
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if (!self::$page)
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return self::getIndex();
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else if (self::$page == 'special')
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return self::getSpecial();
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else if (isset(self::$validPages[self::$page][1]))
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return self::getPage();
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// whoops!
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return null;
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}
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private static function getIndex() : ?string
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{
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$root = new SimpleXML('<sitemapindex />');
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$root->addAttribute('xmlns', 'http://www.sitemaps.org/schemas/sitemap/0.9');
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$root->addChild('sitemap')->addChild('loc', Cfg::get('HOST_URL').'/?sitemap=special');
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foreach (self::$validPages as $page => [, $table, ])
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{
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$n = DB::Aowow()->selectCell('SELECT CEIL(COUNT(*) / %i) FROM %n', self::MAX_ENTRIES, $table);
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for ($i = 1; $i <= $n; $i++)
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$root->addChild('sitemap')->addChild('loc', Cfg::get('HOST_URL').'/?sitemap='.$page.'&page='.$i);
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}
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return $root->asXML() ?: null;
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}
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private static function getSpecial() : ?string
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{
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if (self::$offset != 1)
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{
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self::$maxPage = 1;
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return null;
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}
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$root = new SimpleXML('<urlset />');
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$root->addAttribute('xmlns', 'http://www.sitemaps.org/schemas/sitemap/0.9');
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// home
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$url = $root->addChild('url');
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$url->addChild('loc', Cfg::get('HOST_URL'));
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$url->addChild('priority', 1);
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$url->addChild('changefreq', 'monthly');
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// talent calc
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$url = $root->addChild('url');
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$url->addChild('loc', Cfg::get('HOST_URL').'/?talent');
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$url->addChild('priority', 1);
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$url->addChild('changefreq', 'yearly');
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// pet calc
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$url = $root->addChild('url');
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$url->addChild('loc', Cfg::get('HOST_URL').'/?petcalc');
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$url->addChild('priority', 0.8);
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$url->addChild('changefreq', 'yearly');
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// item compare
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$url = $root->addChild('url');
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$url->addChild('loc', Cfg::get('HOST_URL').'/?compare');
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$url->addChild('priority', 0.9);
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$url->addChild('changefreq', 'yearly');
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// profiler
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if (Cfg::get('PROFILER_ENABLE'))
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{
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$url = $root->addChild('url');
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$url->addChild('loc', Cfg::get('HOST_URL').'/?profiler');
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$url->addChild('priority', 1);
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$url->addChild('changefreq', 'yearly');
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}
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// maps
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$url = $root->addChild('url');
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$url->addChild('loc', Cfg::get('HOST_URL').'/?maps');
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$url->addChild('priority', 0.7);
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$url->addChild('changefreq', 'yearly');
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return $root->asXML();
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}
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private static function getPage() : ?string
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{
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[$type, $table, $prioString] = self::$validPages[self::$page];
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$n = DB::Aowow()->selectCell('SELECT CEIL(COUNT(*) / %i) FROM %n', self::MAX_ENTRIES, $table);
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if (self::$offset <= 0 || self::$offset > $n)
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{
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self::$maxPage = $n;
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return null;
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}
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$root = new SimpleXML('<urlset />');
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$root->addAttribute('xmlns', 'http://www.sitemaps.org/schemas/sitemap/0.9');
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$rows = DB::Aowow()->selectAssoc(
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'SELECT x.`id` AS ARRAY_KEY, ('.$prioString.') AS "priority", GREATEST(IFNULL(MAX(ss.`date`), 0), IFNULL(MAX(vi.`date`), 0), IFNULL(MAX(co.`date`), 0)) AS "lastmod" FROM %n x
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LEFT JOIN ::source src ON src.`type` = %i AND src.`typeId` = x.`id`
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LEFT JOIN ::comments co ON co.`type` = %i AND co.`typeId` = x.`id` AND (co.`flags` & %i) = 0
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LEFT JOIN ::screenshots ss ON ss.`type` = %i AND ss.`typeId` = x.`id` AND (co.`flags` & %i) = 0 AND (co.`flags` & %i) > 0
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LEFT JOIN ::videos vi ON vi.`type` = %i AND vi.`typeId` = x.`id` AND (co.`flags` & %i) = 0 AND (co.`flags` & %i) > 0
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GROUP BY x.`id` LIMIT %i, %i',
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$table,
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$type,
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$type, CC_FLAG_DELETED,
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$type, CC_FLAG_DELETED, CC_FLAG_APPROVED,
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$type, CC_FLAG_DELETED, CC_FLAG_APPROVED,
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self::MAX_ENTRIES * (self::$offset - 1), self::MAX_ENTRIES
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);
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foreach ($rows as $id => $pair)
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{
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$url = $root->addChild('url');
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$url->addChild('loc', Cfg::get('HOST_URL').'/?'.self::$page.'='.$id);
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$url->addChild('priority', $pair['priority']);
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$url->addChild('lastmod', date('c', $pair['lastmod'] ?: self::LASTMOD_BASE));
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}
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return $root->asXML();
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}
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}
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?>
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