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comparison program/lib/Roundcube/rcube_spellcheck_atd.php @ 0:4681f974d28b

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vanilla 1.3.3 distro, I hope
author Charlie Root
date Thu, 04 Jan 2018 15:52:31 -0500
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-1:000000000000 0:4681f974d28b
1 <?php
2
3 /**
4 +-----------------------------------------------------------------------+
5 | This file is part of the Roundcube Webmail client |
6 | |
7 | Copyright (C) 2013, The Roundcube Dev Team |
8 | |
9 | Licensed under the GNU General Public License version 3 or |
10 | any later version with exceptions for skins & plugins. |
11 | See the README file for a full license statement. |
12 | |
13 | PURPOSE: |
14 | Spellchecking backend implementation for afterthedeadline services |
15 +-----------------------------------------------------------------------+
16 | Author: Thomas Bruederli <roundcube@gmail.com> |
17 +-----------------------------------------------------------------------+
18 */
19
20 /**
21 * Spellchecking backend implementation to work with an After the Deadline service
22 * See http://www.afterthedeadline.com/ for more information
23 *
24 * @package Framework
25 * @subpackage Utils
26 */
27 class rcube_spellcheck_atd extends rcube_spellcheck_engine
28 {
29 const SERVICE_HOST = 'service.afterthedeadline.com';
30 const SERVICE_PORT = 80;
31
32 private $matches = array();
33 private $content;
34 private $langhosts = array(
35 'fr' => 'fr.',
36 'de' => 'de.',
37 'pt' => 'pt.',
38 'es' => 'es.',
39 );
40
41 /**
42 * Return a list of languages supported by this backend
43 *
44 * @see rcube_spellcheck_engine::languages()
45 */
46 function languages()
47 {
48 $langs = array_values($this->langhosts);
49 $langs[] = 'en';
50 return $langs;
51 }
52
53 /**
54 * Set content and check spelling
55 *
56 * @see rcube_spellcheck_engine::check()
57 */
58 function check($text)
59 {
60 $this->content = $text;
61
62 // spell check uri is configured
63 $rcube = rcube::get_instance();
64 $url = $rcube->config->get('spellcheck_uri');
65 $key = $rcube->config->get('spellcheck_atd_key');
66
67 if ($url) {
68 $a_uri = parse_url($url);
69 $ssl = ($a_uri['scheme'] == 'https' || $a_uri['scheme'] == 'ssl');
70 $port = $a_uri['port'] ?: ($ssl ? 443 : 80);
71 $host = ($ssl ? 'ssl://' : '') . $a_uri['host'];
72 $path = $a_uri['path'] . ($a_uri['query'] ? '?'.$a_uri['query'] : '') . $this->lang;
73 }
74 else {
75 $host = self::SERVICE_HOST;
76 $port = self::SERVICE_PORT;
77 $path = '/checkDocument';
78
79 // prefix host for other languages than 'en'
80 $lang = substr($this->lang, 0, 2);
81 if ($this->langhosts[$lang])
82 $host = $this->langhosts[$lang] . $host;
83 }
84
85 $postdata = 'data=' . urlencode($text);
86
87 if (!empty($key))
88 $postdata .= '&key=' . urlencode($key);
89
90 $response = $headers = '';
91 $in_header = true;
92 if ($fp = fsockopen($host, $port, $errno, $errstr, 30)) {
93 $out = "POST $path HTTP/1.0\r\n";
94 $out .= "Host: " . str_replace('ssl://', '', $host) . "\r\n";
95 $out .= "Content-Length: " . strlen($postdata) . "\r\n";
96 $out .= "Content-Type: application/x-www-form-urlencoded\r\n";
97 $out .= "Connection: Close\r\n\r\n";
98 $out .= $postdata;
99 fwrite($fp, $out);
100
101 while (!feof($fp)) {
102 if ($in_header) {
103 $line = fgets($fp, 512);
104 $headers .= $line;
105 if (trim($line) == '')
106 $in_header = false;
107 }
108 else {
109 $response .= fgets($fp, 1024);
110 }
111 }
112 fclose($fp);
113 }
114
115 // parse HTTP response headers
116 if (preg_match('!^HTTP/1.\d (\d+)(.+)!', $headers, $m)) {
117 $http_status = $m[1];
118 if ($http_status != '200')
119 $this->error = 'HTTP ' . $m[1] . $m[2];
120 }
121
122 if (!$response) {
123 $this->error = "Empty result from spelling engine";
124 }
125
126 try {
127 $result = new SimpleXMLElement($response);
128 }
129 catch (Exception $e) {
130 $this->error = "Unexpected response from server: " . $response;
131 return array();
132 }
133
134 foreach ($result->error as $error) {
135 if (strval($error->type) == 'spelling') {
136 $word = strval($error->string);
137
138 // skip exceptions
139 if ($this->dictionary->is_exception($word)) {
140 continue;
141 }
142
143 $prefix = strval($error->precontext);
144 $start = $prefix ? mb_strpos($text, $prefix) : 0;
145 $pos = mb_strpos($text, $word, $start);
146 $len = mb_strlen($word);
147 $num = 0;
148
149 $match = array($word, $pos, $len, null, array());
150 foreach ($error->suggestions->option as $option) {
151 $match[4][] = strval($option);
152 if (++$num == self::MAX_SUGGESTIONS)
153 break;
154 }
155 $matches[] = $match;
156 }
157 }
158
159 $this->matches = $matches;
160 return $matches;
161 }
162
163 /**
164 * Returns suggestions for the specified word
165 *
166 * @see rcube_spellcheck_engine::get_words()
167 */
168 function get_suggestions($word)
169 {
170 $matches = $word ? $this->check($word) : $this->matches;
171
172 if ($matches[0][4]) {
173 return $matches[0][4];
174 }
175
176 return array();
177 }
178
179 /**
180 * Returns misspelled words
181 *
182 * @see rcube_spellcheck_engine::get_suggestions()
183 */
184 function get_words($text = null)
185 {
186 if ($text) {
187 $matches = $this->check($text);
188 }
189 else {
190 $matches = $this->matches;
191 $text = $this->content;
192 }
193
194 $result = array();
195
196 foreach ($matches as $m) {
197 $result[] = mb_substr($text, $m[1], $m[2], RCUBE_CHARSET);
198 }
199
200 return $result;
201 }
202 }