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|
<?php
/**
+-----------------------------------------------------------------------+
| This file is part of the Roundcube Webmail client |
| |
| Copyright (C) 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_spellchecker_googie extends rcube_spellchecker_engine
{
const GOOGIE_HOST = 'https://spell.roundcube.net';
private $matches = [];
private $content;
/**
* Return a list of languages supported by this backend
*
* @see rcube_spellchecker_engine::languages()
*/
function languages()
{
return [
'am','ar','ar','bg','br','ca','cs','cy','da',
'de_CH','de_DE','el','en_GB','en_US',
'eo','es','et','eu','fa','fi','fr_FR','ga','gl','gl',
'he','hr','hu','hy','is','it','ku','lt','lv','nl',
'pl','pt_BR','pt_PT','ro','ru',
'sk','sl','sv','uk'
];
}
/**
* Set content and check spelling
*
* @see rcube_spellchecker_engine::check()
*/
function check($text)
{
$this->content = $text;
$matches = [];
if (empty($text)) {
return $this->matches = $matches;
}
$rcube = rcube::get_instance();
$client = $rcube->get_http_client();
// spell check uri is configured
$url = $rcube->config->get('spellcheck_uri');
if (!$url) {
$url = self::GOOGIE_HOST . '/tbproxy/spell?lang=';
}
$url .= $this->lang;
$url .= sprintf('&key=%06d', !empty($_SESSION['user_id']) ? $_SESSION['user_id'] : 0);
$gtext = '<?xml version="1.0" encoding="utf-8" ?>'
.'<spellrequest textalreadyclipped="0" ignoredups="0" ignoredigits="1" ignoreallcaps="1">'
.'<text>' . htmlspecialchars($text, ENT_QUOTES, RCUBE_CHARSET) . '</text>'
.'</spellrequest>';
try {
$response = $client->post($url, [
'connect_timeout' => 5, // seconds
'headers' => [
'User-Agent' => "Roundcube Webmail/" . RCUBE_VERSION . " (Googiespell Wrapper)",
'Content-type' => 'text/xml'
],
'body' => $gtext
]
);
}
catch (Exception $e) {
// Do nothing, the error set below should be logged by the caller
}
if (empty($response)) {
$this->error = $e ? $e->getMessage() : "Spelling engine failure";
}
else if ($response->getStatusCode() != 200) {
$this->error = 'HTTP ' . $response->getReasonPhrase();
}
else {
$response_body = $response->getBody();
if (preg_match('/<spellresult error="([^"]+)"/', $response_body, $m) && $m[1]) {
$this->error = "Error code $m[1] returned";
$this->error .= preg_match('/<errortext>([^<]+)/', $response_body, $m) ? ": " . html_entity_decode($m[1]) : '';
}
preg_match_all('/<c o="([^"]*)" l="([^"]*)" s="([^"]*)">([^<]*)<\/c>/', $response_body, $matches, PREG_SET_ORDER);
// skip exceptions (if appropriate options are enabled)
foreach ($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]);
}
}
}
return $this->matches = $matches;
}
/**
* Returns suggestions for the specified word
*
* @see rcube_spellchecker_engine::get_words()
*/
function get_suggestions($word)
{
$matches = $word ? $this->check($word) : $this->matches;
if (!empty($matches[0][4])) {
$suggestions = explode("\t", $matches[0][4]);
if (count($suggestions) > self::MAX_SUGGESTIONS) {
$suggestions = array_slice($suggestions, 0, self::MAX_SUGGESTIONS);
}
return $suggestions;
}
return [];
}
/**
* Returns misspelled words
*
* @see rcube_spellchecker_engine::get_suggestions()
*/
function get_words($text = null)
{
if ($text) {
$matches = $this->check($text);
}
else {
$matches = $this->matches;
$text = $this->content;
}
$result = [];
foreach ($matches as $m) {
$result[] = mb_substr($text, $m[1], $m[2], RCUBE_CHARSET);
}
return $result;
}
}
|
