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| | | <?php |
| | | |
| | | /* |
| | | +-----------------------------------------------------------------------+ |
| | | | This file is part of the Roundcube Webmail client | |
| | | | | |
| | | | Copyright (C) 2013, The Roundcube Dev Team | |
| | | | | |
| | | | Licensed under the GNU General Public License version 3 or | |
| | | | any later version with exceptions for skins & plugins. | |
| | | | See the README file for a full license statement. | |
| | | | | |
| | | | PURPOSE: | |
| | | | Spellchecking backend implementation for afterthedeadline services | |
| | | +-----------------------------------------------------------------------+ |
| | | | Author: Thomas Bruederli <roundcube@gmail.com> | |
| | | +-----------------------------------------------------------------------+ |
| | | */ |
| | | |
| | | /** |
| | | * Spellchecking backend implementation to work with an After the Deadline service |
| | | * See http://www.afterthedeadline.com/ for more information |
| | | * |
| | | * @package Framework |
| | | * @subpackage Utils |
| | | */ |
| | | class rcube_spellcheck_atd extends rcube_spellcheck_engine |
| | | { |
| | | const SERVICE_HOST = 'service.afterthedeadline.com'; |
| | | const SERVICE_PORT = 80; |
| | | |
| | | private $matches = array(); |
| | | private $content; |
| | | private $langhosts = array( |
| | | 'fr' => 'fr.', |
| | | 'de' => 'de.', |
| | | 'pt' => 'pt.', |
| | | 'es' => 'es.', |
| | | ); |
| | | |
| | | /** |
| | | * Set content and check spelling |
| | | * |
| | | * @see rcube_spellcheck_engine::check() |
| | | */ |
| | | function check($text) |
| | | { |
| | | $this->content = $text; |
| | | |
| | | // spell check uri is configured |
| | | $rcube = rcube::get_instance(); |
| | | $url = $rcube->config->get('spellcheck_uri'); |
| | | $key = $rcube->config->get('spellcheck_atd_key'); |
| | | |
| | | if ($url) { |
| | | $a_uri = parse_url($url); |
| | | $ssl = ($a_uri['scheme'] == 'https' || $a_uri['scheme'] == 'ssl'); |
| | | $port = $a_uri['port'] ? $a_uri['port'] : ($ssl ? 443 : 80); |
| | | $host = ($ssl ? 'ssl://' : '') . $a_uri['host']; |
| | | $path = $a_uri['path'] . ($a_uri['query'] ? '?'.$a_uri['query'] : '') . $this->lang; |
| | | } |
| | | else { |
| | | $host = self::SERVICE_HOST; |
| | | $port = self::SERVICE_PORT; |
| | | $path = '/checkDocument'; |
| | | |
| | | // prefix host for other languages than 'en' |
| | | $lang = substr($this->lang, 0, 2); |
| | | if ($this->langhosts[$lang]) |
| | | $host = $this->langhosts[$lang] . $host; |
| | | } |
| | | |
| | | $postdata = 'data=' . urlencode($text); |
| | | |
| | | if (!empty($key)) |
| | | $postdata .= '&key=' . urlencode($key); |
| | | |
| | | $response = $headers = ''; |
| | | $in_header = true; |
| | | if ($fp = fsockopen($host, $port, $errno, $errstr, 30)) { |
| | | $out = "POST $path HTTP/1.0\r\n"; |
| | | $out .= "Host: " . str_replace('ssl://', '', $host) . "\r\n"; |
| | | $out .= "Content-Length: " . strlen($postdata) . "\r\n"; |
| | | $out .= "Content-Type: application/x-www-form-urlencoded\r\n"; |
| | | $out .= "Connection: Close\r\n\r\n"; |
| | | $out .= $postdata; |
| | | fwrite($fp, $out); |
| | | |
| | | while (!feof($fp)) { |
| | | if ($in_header) { |
| | | $line = fgets($fp, 512); |
| | | $headers .= $line; |
| | | if (trim($line) == '') |
| | | $in_header = false; |
| | | } |
| | | else { |
| | | $response .= fgets($fp, 1024); |
| | | } |
| | | } |
| | | fclose($fp); |
| | | } |
| | | |
| | | // parse HTTP response headers |
| | | if (preg_match('!^HTTP/1.\d (\d+)(.+)!', $headers, $m)) { |
| | | $http_status = $m[1]; |
| | | if ($http_status != '200') |
| | | $this->error = 'HTTP ' . $m[1] . $m[2]; |
| | | } |
| | | |
| | | if (!$response) { |
| | | $this->error = "Empty result from spelling engine"; |
| | | } |
| | | |
| | | try { |
| | | $result = new SimpleXMLElement($response); |
| | | } |
| | | catch (Exception $e) { |
| | | $thid->error = "Unexpected response from server: " . $store; |
| | | return array(); |
| | | } |
| | | |
| | | foreach ($result->error as $error) { |
| | | if (strval($error->type) == 'spelling') { |
| | | $word = strval($error->string); |
| | | |
| | | // skip exceptions |
| | | if ($this->dictionary->is_exception($word)) { |
| | | continue; |
| | | } |
| | | |
| | | $prefix = strval($error->precontext); |
| | | $start = $prefix ? mb_strpos($text, $prefix) : 0; |
| | | $pos = mb_strpos($text, $word, $start); |
| | | $len = mb_strlen($word); |
| | | $num = 0; |
| | | |
| | | $match = array($word, $pos, $len, null, array()); |
| | | foreach ($error->suggestions->option as $option) { |
| | | $match[4][] = strval($option); |
| | | if (++$num == self::MAX_SUGGESTIONS) |
| | | break; |
| | | } |
| | | $matches[] = $match; |
| | | } |
| | | } |
| | | |
| | | $this->matches = $matches; |
| | | return $matches; |
| | | } |
| | | |
| | | /** |
| | | * Returns suggestions for the specified word |
| | | * |
| | | * @see rcube_spellcheck_engine::get_words() |
| | | */ |
| | | function get_suggestions($word) |
| | | { |
| | | $matches = $word ? $this->check($word) : $this->matches; |
| | | |
| | | if ($matches[0][4]) { |
| | | return $matches[0][4]; |
| | | } |
| | | |
| | | return array(); |
| | | } |
| | | |
| | | /** |
| | | * Returns misspelled words |
| | | * |
| | | * @see rcube_spellcheck_engine::get_suggestions() |
| | | */ |
| | | function get_words($text = null) |
| | | { |
| | | if ($text) { |
| | | $matches = $this->check($text); |
| | | } |
| | | else { |
| | | $matches = $this->matches; |
| | | $text = $this->content; |
| | | } |
| | | |
| | | $result = array(); |
| | | |
| | | foreach ($matches as $m) { |
| | | $result[] = mb_substr($text, $m[1], $m[2], RCUBE_CHARSET); |
| | | } |
| | | |
| | | return $result; |
| | | } |
| | | |
| | | } |
| | | |