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1 <?php
2 /**
3 * poche, a read it later open source system
4 *
5 * @category poche
6 * @author Nicolas LÅ“uillet <support@inthepoche.com>
7 * @copyright 2013
8 * @license http://www.wtfpl.net/ see COPYING file
9 */
10
11 function encode_string($string)
12 {
13 return sha1($string . SALT);
14 }
15
16 function get_external_file($url)
17 {
18 $timeout = 15;
19 $useragent = "Mozilla/5.0 (Windows NT 5.1; rv:18.0) Gecko/20100101 Firefox/18.0";
20
21 if (in_array ('curl', get_loaded_extensions())) {
22 # Fetch feed from URL
23 $curl = curl_init();
24 curl_setopt($curl, CURLOPT_URL, $url);
25 curl_setopt($curl, CURLOPT_TIMEOUT, $timeout);
26 curl_setopt($curl, CURLOPT_FOLLOWLOCATION, true);
27 curl_setopt($curl, CURLOPT_RETURNTRANSFER, true);
28 curl_setopt($curl, CURLOPT_HEADER, false);
29
30 # for ssl, do not verified certificate
31 curl_setopt($curl, CURLOPT_SSL_VERIFYPEER, FALSE);
32 curl_setopt($curl, CURLOPT_AUTOREFERER, TRUE );
33
34 # FeedBurner requires a proper USER-AGENT...
35 curl_setopt($curl, CURL_HTTP_VERSION_1_1, true);
36 curl_setopt($curl, CURLOPT_ENCODING, "gzip, deflate");
37 curl_setopt($curl, CURLOPT_USERAGENT, $useragent);
38
39 $data = curl_exec($curl);
40 $httpcode = curl_getinfo($curl, CURLINFO_HTTP_CODE);
41 $httpcodeOK = isset($httpcode) and ($httpcode == 200 or $httpcode == 301);
42 curl_close($curl);
43 } else {
44 # create http context and add timeout and user-agent
45 $context = stream_context_create(
46 array(
47 'http' => array(
48 'timeout' => $timeout,
49 'header' => "User-Agent: " . $useragent,
50 'follow_location' => true
51 ),
52 'ssl' => array(
53 'verify_peer' => false,
54 'allow_self_signed' => true
55 )
56 )
57 );
58
59 # only download page lesser than 4MB
60 $data = @file_get_contents($url, false, $context, -1, 4000000);
61
62 if (isset($http_response_header) and isset($http_response_header[0])) {
63 $httpcodeOK = isset($http_response_header) and isset($http_response_header[0]) and ((strpos($http_response_header[0], '200 OK') !== FALSE) or (strpos($http_response_header[0], '301 Moved Permanently') !== FALSE));
64 }
65 }
66
67 # if response is not empty and response is OK
68 if (isset($data) and isset($httpcodeOK) and $httpcodeOK) {
69
70 # take charset of page and get it
71 preg_match('#<meta .*charset=.*>#Usi', $data, $meta);
72
73 # if meta tag is found
74 if (!empty($meta[0])) {
75 preg_match('#charset="?(.*)"#si', $meta[0], $encoding);
76 # if charset is found set it otherwise, set it to utf-8
77 $html_charset = (!empty($encoding[1])) ? strtolower($encoding[1]) : 'utf-8';
78 } else {
79 $html_charset = 'utf-8';
80 $encoding[1] = '';
81 }
82
83 # replace charset of url to charset of page
84 $data = str_replace('charset=' . $encoding[1], 'charset=' . $html_charset, $data);
85
86 return $data;
87 }
88 else {
89 return FALSE;
90 }
91 }
92
93 function fetch_url_content($url)
94 {
95 $url = base64_decode($url);
96 if (pocheTool::isUrl($url)) {
97 $url = pocheTool::cleanURL($url);
98 $html = Encoding::toUTF8(get_external_file($url));
99
100 # if get_external_file if not able to retrieve HTTPS content, try the same URL with HTTP protocol
101 if (!preg_match('!^https?://!i', $url) && (!isset($html) || strlen($html) <= 0)) {
102 $url = 'http://' . $url;
103 $html = Encoding::toUTF8(get_external_file($url));
104 }
105
106 if (function_exists('tidy_parse_string')) {
107 $tidy = tidy_parse_string($html, array(), 'UTF8');
108 $tidy->cleanRepair();
109 $html = $tidy->value;
110 }
111
112 $parameters = array();
113 if (isset($html) and strlen($html) > 0)
114 {
115 $readability = new Readability($html, $url);
116 $readability->convertLinksToFootnotes = CONVERT_LINKS_FOOTNOTES;
117 $readability->revertForcedParagraphElements = REVERT_FORCED_PARAGRAPH_ELEMENTS;
118
119 if($readability->init())
120 {
121 $content = $readability->articleContent->innerHTML;
122 $parameters['title'] = $readability->articleTitle->innerHTML;
123 $parameters['content'] = $content;
124
125 return $parameters;
126 }
127 }
128 }
129 else {
130 #$msg->add('e', _('error during url preparation : the link is not valid'));
131 pocheTool::logm($url . ' is not a valid url');
132 }
133
134 return FALSE;
135 }
136
137 function display_view($view, $id = 0, $full_head = 'yes')
138 {
139 global $tpl, $store, $msg;
140
141 switch ($view)
142 {
143 case 'export':
144 $entries = $store->retrieveAll();
145 $tpl->assign('export', pocheTool::renderJson($entries));
146 $tpl->draw('export');
147 pocheTool::logm('export view');
148 break;
149 case 'config':
150 $tpl->assign('load_all_js', 0);
151 $tpl->draw('head');
152 $tpl->draw('home');
153 $tpl->draw('config');
154 $tpl->draw('js');
155 $tpl->draw('footer');
156 pocheTool::logm('config view');
157 break;
158 case 'view':
159 $entry = $store->retrieveOneById($id);
160
161 if ($entry != NULL) {
162 $tpl->assign('id', $entry['id']);
163 $tpl->assign('url', $entry['url']);
164 $tpl->assign('title', $entry['title']);
165 $content = $entry['content'];
166 if (function_exists('tidy_parse_string')) {
167 $tidy = tidy_parse_string($content, array('indent'=>true, 'show-body-only' => true), 'UTF8');
168 $tidy->cleanRepair();
169 $content = $tidy->value;
170 }
171 $tpl->assign('content', $content);
172 $tpl->assign('is_fav', $entry['is_fav']);
173 $tpl->assign('is_read', $entry['is_read']);
174 $tpl->assign('load_all_js', 0);
175 $tpl->draw('view');
176 }
177 else {
178 pocheTool::logm('error in view call : entry is NULL');
179 }
180
181 pocheTool::logm('view link #' . $id);
182 break;
183 default: # home view
184 $entries = $store->getEntriesByView($view);
185
186 $tpl->assign('entries', $entries);
187
188 if ($full_head == 'yes') {
189 $tpl->assign('load_all_js', 1);
190 $tpl->draw('head');
191 $tpl->draw('home');
192 }
193
194 $tpl->draw('entries');
195
196 if ($full_head == 'yes') {
197 $tpl->draw('js');
198 $tpl->draw('footer');
199 }
200 break;
201 }
202 }
203
204 /**
205 * Appel d'une action (mark as fav, archive, delete)
206 */
207 function action_to_do($action, $url, $id = 0)
208 {
209 global $store, $msg;
210
211 switch ($action)
212 {
213 case 'add':
214 if($parametres_url = fetch_url_content($url)) {
215 if ($store->add($url, $parametres_url['title'], $parametres_url['content'])) {
216 pocheTool::logm('add link ' . $url);
217 $last_id = $store->getLastId();
218 if (DOWNLOAD_PICTURES) {
219 $content = filtre_picture($parametres_url['content'], $url, $last_id);
220 }
221 #$msg->add('s', _('the link has been added successfully'));
222 }
223 else {
224 #$msg->add('e', _('error during insertion : the link wasn\'t added'));
225 pocheTool::logm('error during insertion : the link wasn\'t added');
226 }
227 }
228 else {
229 #$msg->add('e', _('error during url preparation : the link wasn\'t added'));
230 pocheTool::logm('error during content fetch');
231 }
232 break;
233 case 'delete':
234 if ($store->deleteById($id)) {
235 if (DOWNLOAD_PICTURES) {
236 remove_directory(ABS_PATH . $id);
237 }
238 #$msg->add('s', _('the link has been deleted successfully'));
239 pocheTool::logm('delete link #' . $id);
240 }
241 else {
242 #$msg->add('e', _('the link wasn\'t deleted'));
243 pocheTool::logm('error : can\'t delete link #' . $id);
244 }
245 break;
246 case 'toggle_fav' :
247 $store->favoriteById($id);
248 pocheTool::logm('mark as favorite link #' . $id);
249 break;
250 case 'toggle_archive' :
251 $store->archiveById($id);
252 pocheTool::logm('archive link #' . $id);
253 break;
254 default:
255 break;
256 }
257 }