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|
<?php
/*
+-----------------------------------------------------------------------+
| program/steps/utils/spell_html_googie.inc |
| |
| This file is part of the RoundCube Webmail client |
| Copyright (C) 2005-2010, RoundCube Dev. - Switzerland |
| Licensed under the GNU GPL |
| |
| PURPOSE: |
| Submit request to Google's spell checking engine |
| |
+-----------------------------------------------------------------------+
| Author: Aleksander Machniak <alec@alec.pl> |
+-----------------------------------------------------------------------+
$Id: spell_googie.inc 3780 2010-06-23 09:55:08Z alec $
*/
function json_error($str)
{
echo '{"error":{"errstr":"' . addslashes($str) . '","errfile":"","errline":null,"errcontext":"","level":"FATAL"}}';
exit;
}
function googie_get($host, $port, $path, $data)
{
$store = '';
if ($fp = fsockopen($host, $port, $errno, $errstr, 30)) {
$out = "POST $path HTTP/1.0\r\n";
$out .= "Host: $host\r\n";
$out .= "Content-Length: " . strlen($data) . "\r\n";
$out .= "Content-Type: application/x-www-form-urlencoded\r\n";
$out .= "Connection: Close\r\n\r\n";
$out .= $data;
fwrite($fp, $out);
while (!feof($fp))
$store .= fgets($fp, 128);
fclose($fp);
}
if (!$store) {
json_error("Empty result from spelling engine");
}
$matches = array();
preg_match_all('/<c o="([^"]*)" l="([^"]*)" s="([^"]*)">([^<]*)<\/c>/', $store, $matches, PREG_SET_ORDER);
return $matches;
}
$REMOTE_REQUEST = TRUE;
// read input
$data = file_get_contents('php://input');
// Decode JSON input
$request = json_decode($data, true);
$result = array();
$lang = $request['params'][0];
$data = $request['params'][1];
$result['id'] = $request['id'];
// default settings
$host = "ssl://www.google.com";
$port = 443;
$path = "/tbproxy/spell?lang=$lang";
// spell check uri is configured
if (!empty($CONFIG['spellcheck_uri']))
{
$a_uri = parse_url($CONFIG['spellcheck_uri']);
$ssl = ($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'] : '') . $lang;
}
$wordstr = implode(' ', (array) $data);
$data = '<?xml version="1.0" encoding="utf-8" ?>'
.'<spellrequest textalreadyclipped="0" ignoredups="0" ignoredigits="1" ignoreallcaps="1">'
.'<text>' . $wordstr . '</text>'
.'</spellrequest>';
$matches = googie_get($host, $port, $path, $data);
if ($request['method'] == 'checkWords') {
$result['result'] = array();
for ($i=0, $len=count($matches); $i<$len; $i++)
$result['result'][] = mb_substr($wordstr, $matches[$i][1], $matches[$i][2], RCMAIL_CHARSET);
}
else if ($request['method'] == 'getSuggestions') {
if ($matches[0][4]) {
$suggestions = explode("\t", $matches[0][4]);
if (sizeof($suggestions)>MAX_SUGGESTIONS)
$suggestions = array_slice($suggestions, 0, MAX_SUGGESTIONS);
$result['result'] = $suggestions;
}
else
$result['result'] = array();
}
// send output
header("Content-Type: text/xml; charset=".RCMAIL_CHARSET);
echo json_encode($result);
exit;
|
