diff options
Diffstat (limited to 'program/lib/Roundcube/rcube_spellcheck_googie.php')
| -rw-r--r-- | program/lib/Roundcube/rcube_spellcheck_googie.php | 176 |
1 files changed, 176 insertions, 0 deletions
diff --git a/program/lib/Roundcube/rcube_spellcheck_googie.php b/program/lib/Roundcube/rcube_spellcheck_googie.php new file mode 100644 index 000000000..3777942a6 --- /dev/null +++ b/program/lib/Roundcube/rcube_spellcheck_googie.php @@ -0,0 +1,176 @@ +<?php + +/* + +-----------------------------------------------------------------------+ + | This file is part of the Roundcube Webmail client | + | | + | Copyright (C) 2008-2013, 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 to work with Googiespell | + +-----------------------------------------------------------------------+ + | Author: Aleksander Machniak <machniak@kolabsys.com> | + | Author: Thomas Bruederli <roundcube@gmail.com> | + +-----------------------------------------------------------------------+ +*/ + +/** + * Spellchecking backend implementation to work with a Googiespell service + * + * @package Framework + * @subpackage Utils + */ +class rcube_spellcheck_googie extends rcube_spellcheck_engine +{ + const GOOGIE_HOST = 'ssl://spell.roundcube.net'; + const GOOGIE_PORT = 443; + + private $matches = array(); + private $content; + + /** + * Return a list of languages supported by this backend + * + * @see rcube_spellcheck_engine::languages() + */ + function languages() + { + return array('am','ar','ar','bg','br','ca','cs','cy','da', + 'de_CH','de_DE','el','en_GB','en_US', + 'eo','es','et','eu','fa','fi','fr_FR','ga','gl','gl', + 'he','hr','hu','hy','is','it','ku','lt','lv','nl', + 'pl','pt_BR','pt_PT','ro','ru', + 'sk','sl','sv','uk'); + } + + /** + * Set content and check spelling + * + * @see rcube_spellcheck_engine::check() + */ + function check($text) + { + $this->content = $text; + + // spell check uri is configured + $url = rcube::get_instance()->config->get('spellcheck_uri'); + + if ($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::GOOGIE_HOST; + $port = self::GOOGIE_PORT; + $path = '/tbproxy/spell?lang=' . $this->lang; + } + + $path .= sprintf('&key=%06d', $_SESSION['user_id']); + + $gtext = '<?xml version="1.0" encoding="utf-8" ?>' + .'<spellrequest textalreadyclipped="0" ignoredups="0" ignoredigits="1" ignoreallcaps="1">' + .'<text>' . htmlspecialchars($text, ENT_QUOTES, RCUBE_CHARSET) . '</text>' + .'</spellrequest>'; + + $store = ''; + if ($fp = fsockopen($host, $port, $errno, $errstr, 30)) { + $out = "POST $path HTTP/1.0\r\n"; + $out .= "Host: " . str_replace('ssl://', '', $host) . "\r\n"; + $out .= "User-Agent: Roundcube Webmail/" . RCMAIL_VERSION . " (Googiespell Wrapper)\r\n"; + $out .= "Content-Length: " . strlen($gtext) . "\r\n"; + $out .= "Content-Type: text/xml\r\n"; + $out .= "Connection: Close\r\n\r\n"; + $out .= $gtext; + fwrite($fp, $out); + + while (!feof($fp)) + $store .= fgets($fp, 128); + fclose($fp); + } + + // parse HTTP response + if (preg_match('!^HTTP/1.\d (\d+)(.+)!', $store, $m)) { + $http_status = $m[1]; + if ($http_status != '200') { + $this->error = 'HTTP ' . $m[1] . $m[2]; + $this->error .= "\n" . $store; + } + } + + if (!$store) { + $this->error = "Empty result from spelling engine"; + } + else if (preg_match('/<spellresult error="([^"]+)"/', $store, $m) && $m[1]) { + $this->error = "Error code $m[1] returned"; + $this->error .= preg_match('/<errortext>([^<]+)/', $store, $m) ? ": " . html_entity_decode($m[1]) : ''; + } + + preg_match_all('/<c o="([^"]*)" l="([^"]*)" s="([^"]*)">([^<]*)<\/c>/', $store, $matches, PREG_SET_ORDER); + + // skip exceptions (if appropriate options are enabled) + foreach ($matches as $idx => $m) { + $word = mb_substr($text, $m[1], $m[2], RCUBE_CHARSET); + // skip exceptions + if ($this->dictionary->is_exception($word)) { + unset($matches[$idx]); + } + } + + $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]) { + $suggestions = explode("\t", $matches[0][4]); + if (sizeof($suggestions) > self::MAX_SUGGESTIONS) { + $suggestions = array_slice($suggestions, 0, self::MAX_SUGGESTIONS); + } + + return $suggestions; + } + + return array(); + } + + /** + * Returns misspelled words + * + * @see rcube_spellcheck_engine::get_suggestions() + */ + function get_words($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; + } + +} + |