Imported Upstream version 0.5

[roundcube.git] / program / steps / utils / spell_html_googie.inc

diff --git a/program/steps/utils/spell_html_googie.inc b/program/steps/utils/spell_html_googie.inc
new file mode 100644 (file)
index 0000000..1a4fbd4
--- /dev/null
+++ b/program/steps/utils/spell_html_googie.inc
@@ -0,0 +1,110 @@
+<?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: " . str_replace('ssl://', '', $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;
+