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<?php |
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/****************************************************************************** |
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* Wikipedia Account Creation Assistance tool * |
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* * |
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* All code in this file is released into the public domain by the ACC * |
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* Development Team. Please see team.json for a list of contributors. * |
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******************************************************************************/ |
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namespace Waca\ConsoleTasks; |
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use Exception; |
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use PDOException; |
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use PDOStatement; |
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use Waca\RegexConstants; |
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use Waca\Tasks\ConsoleTaskBase; |
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class RecreateTrustedIpTableTask extends ConsoleTaskBase |
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{ |
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public function execute() |
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{ |
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echo "Fetching file...\n"; |
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$htmlfile = file($this->getSiteConfiguration()->getXffTrustedHostsFile(), |
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FILE_IGNORE_NEW_LINES | FILE_SKIP_EMPTY_LINES); |
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$ip = array(); |
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$iprange = array(); |
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$dnsdomain = array(); |
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echo "Sorting file...\n"; |
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$this->readFile($htmlfile, $iprange, $ip, $dnsdomain); |
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echo "Exploding CIDRs...\n"; |
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$this->explodeCidrs($iprange, $ip); |
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echo "Resolving DNS...\n"; |
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$this->resolveDns($dnsdomain, $ip); |
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echo "Uniq-ing array...\n"; |
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$ip = array_unique($ip); |
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$database = $this->getDatabase(); |
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$database->exec('DELETE FROM xfftrustcache;'); |
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$insert = $database->prepare('INSERT INTO xfftrustcache (ip) VALUES (:ip);'); |
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$this->doInserts($ip, $insert); |
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} |
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/** |
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* @param string[] $dnsDomains the DNS domains to resolve |
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* @param string[] $ipAddresses existing array of IPs to add to |
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*/ |
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protected function resolveDns($dnsDomains, &$ipAddresses) |
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{ |
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foreach ($dnsDomains as $domain) { |
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$ipList = gethostbynamel($domain); |
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if ($ipList === false) { |
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echo "Invalid DNS name $domain\n"; |
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continue; |
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} |
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foreach ($ipList as $ipAddress) { |
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$ipAddresses[] = $ipAddress; |
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} |
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// don't DoS |
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usleep(10000); |
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} |
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} |
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/** |
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* @param $iprange |
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* @param $ip |
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*/ |
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protected function explodeCidrs($iprange, &$ip) |
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{ |
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foreach ($iprange as $r) { |
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$ips = $this->getXffTrustProvider()->explodeCidr($r); |
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foreach ($ips as $i) { |
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$ip[] = $i; |
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} |
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} |
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} |
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/** |
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* @param $htmlfile |
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* @param $iprange |
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* @param $ip |
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* @param $dnsdomain |
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*/ |
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protected function readFile($htmlfile, &$iprange, &$ip, &$dnsdomain) |
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{ |
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foreach ($htmlfile as $line_num => $rawline) { |
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// remove the comments |
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$hashPos = strpos($rawline, '#'); |
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if ($hashPos !== false) { |
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$line = substr($rawline, 0, $hashPos); |
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} |
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else { |
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$line = $rawline; |
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} |
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$line = trim($line); |
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// this was a comment or empty line... |
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if ($line == "") { |
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continue; |
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} |
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// match a regex of an CIDR range: |
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$ipcidr = '@' . RegexConstants::IPV4 . RegexConstants::IPV4_CIDR . '@'; |
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if (preg_match($ipcidr, $line) === 1) { |
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$iprange[] = $line; |
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continue; |
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} |
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$ipnoncidr = '@' . RegexConstants::IPV4 . '@'; |
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if (preg_match($ipnoncidr, $line) === 1) { |
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$ip[] = $line; |
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continue; |
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} |
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// it's probably a DNS name. |
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$dnsdomain[] = $line; |
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} |
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} |
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/** |
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* @param array $ip |
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* @param PDOStatement $insert |
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* |
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* @throws Exception |
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*/ |
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protected function doInserts($ip, PDOStatement $insert) |
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{ |
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$successful = true; |
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foreach ($ip as $i) { |
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if (count($i) > 15) { |
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echo "Rejected $i\n"; |
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$successful = false; |
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continue; |
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} |
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try { |
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$insert->execute(array(':ip' => $i)); |
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} |
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catch (PDOException $ex) { |
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echo "Exception on $i :\n"; |
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echo $ex->getMessage(); |
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$successful = false; |
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break; |
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} |
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} |
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if (!$successful) { |
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throw new Exception('Encountered errors during transaction processing'); |
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} |
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} |
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} |
enwikipedia-acc /
waca
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