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1 | <?php |
2 | class Import_Export extends Plugin implements IHandler { | |
3 | ||
4 | private $link; | |
5 | private $host; | |
6 | ||
7 | function __construct($host) { | |
8 | $this->link = $host->get_link(); | |
9 | $this->host = $host; | |
10 | ||
11 | $host->add_hook($host::HOOK_PREFS_TAB, $this); | |
12 | $host->add_command("xml-import", "USER FILE: import articles from XML", $this); | |
13 | } | |
14 | ||
15 | function xml_import($args) { | |
16 | array_shift($args); | |
17 | ||
18 | $username = $args[count($args) - 2]; | |
19 | $filename = $args[count($args) - 1]; | |
20 | ||
21 | if (!$username) { | |
22 | print "error: please specify username.\n"; | |
23 | return; | |
24 | } | |
25 | ||
26 | if (!is_file($filename)) { | |
27 | print "error: input filename ($filename) doesn't exist.\n"; | |
28 | return; | |
29 | } | |
30 | ||
31 | _debug("importing $filename for user $username...\n"); | |
32 | ||
33 | $result = db_query($this->link, "SELECT id FROM ttrss_users WHERE login = '$username'"); | |
34 | ||
35 | if (db_num_rows($result) == 0) { | |
36 | print "error: could not find user $username.\n"; | |
37 | return; | |
38 | } | |
39 | ||
40 | $owner_uid = db_fetch_result($result, 0, "id"); | |
41 | ||
42 | $this->perform_data_import($this->link, $filename, $owner_uid); | |
43 | } | |
44 | ||
45 | function save() { | |
46 | $example_value = db_escape_string($_POST["example_value"]); | |
47 | ||
48 | echo "Value set to $example_value (not really)"; | |
49 | } | |
50 | ||
51 | function get_prefs_js() { | |
52 | return file_get_contents(dirname(__FILE__) . "/import_export.js"); | |
53 | } | |
54 | ||
55 | function hook_prefs_tab($args) { | |
56 | if ($args != "prefFeeds") return; | |
57 | ||
58 | print "<div dojoType=\"dijit.layout.AccordionPane\" title=\"".__('Import and export')."\">"; | |
59 | ||
60 | print "<h3>" . __("Article archive") . "</h3>"; | |
61 | ||
62 | print "<p>" . __("You can export and import your Starred and Archived articles for safekeeping or when migrating between tt-rss instances.") . "</p>"; | |
63 | ||
64 | print "<button dojoType=\"dijit.form.Button\" onclick=\"return exportData()\">". | |
65 | __('Export my data')."</button> "; | |
66 | ||
67 | print "<hr>"; | |
68 | ||
69 | print "<iframe id=\"data_upload_iframe\" | |
70 | name=\"data_upload_iframe\" onload=\"dataImportComplete(this)\" | |
71 | style=\"width: 400px; height: 100px; display: none;\"></iframe>"; | |
72 | ||
73 | print "<form name=\"import_form\" style='display : block' target=\"data_upload_iframe\" | |
74 | enctype=\"multipart/form-data\" method=\"POST\" | |
75 | action=\"backend.php\"> | |
76 | <input id=\"export_file\" name=\"export_file\" type=\"file\"> | |
77 | <input type=\"hidden\" name=\"op\" value=\"pluginhandler\"> | |
78 | <input type=\"hidden\" name=\"plugin\" value=\"import_export\"> | |
79 | <input type=\"hidden\" name=\"method\" value=\"dataimport\"> | |
80 | <button dojoType=\"dijit.form.Button\" onclick=\"return importData();\" type=\"submit\">" . | |
81 | __('Import') . "</button>"; | |
82 | ||
83 | ||
84 | print "</div>"; # pane | |
85 | } | |
86 | ||
87 | function csrf_ignore($method) { | |
88 | return in_array($method, array("exportget")); | |
89 | } | |
90 | ||
91 | function before($method) { | |
92 | return $_SESSION["uid"] != false; | |
93 | } | |
94 | ||
95 | function after() { | |
96 | return true; | |
97 | } | |
98 | ||
99 | function exportget() { | |
100 | $exportname = CACHE_DIR . "/export/" . | |
101 | sha1($_SESSION['uid'] . $_SESSION['login']) . ".xml"; | |
102 | ||
103 | if (file_exists($exportname)) { | |
104 | header("Content-type: text/xml"); | |
105 | ||
106 | if (function_exists('gzencode')) { | |
107 | header("Content-Disposition: attachment; filename=TinyTinyRSS_exported.xml.gz"); | |
108 | echo gzencode(file_get_contents($exportname)); | |
109 | } else { | |
110 | header("Content-Disposition: attachment; filename=TinyTinyRSS_exported.xml"); | |
111 | echo file_get_contents($exportname); | |
112 | } | |
113 | } else { | |
114 | echo "File not found."; | |
115 | } | |
116 | } | |
117 | ||
118 | function exportrun() { | |
119 | $offset = (int) db_escape_string($_REQUEST['offset']); | |
120 | $exported = 0; | |
121 | $limit = 250; | |
122 | ||
123 | if ($offset < 10000 && is_writable(CACHE_DIR . "/export")) { | |
124 | $result = db_query($this->link, "SELECT | |
125 | ttrss_entries.guid, | |
126 | ttrss_entries.title, | |
127 | content, | |
128 | marked, | |
129 | published, | |
130 | score, | |
131 | note, | |
132 | link, | |
133 | tag_cache, | |
134 | label_cache, | |
135 | ttrss_feeds.title AS feed_title, | |
136 | ttrss_feeds.feed_url AS feed_url, | |
137 | ttrss_entries.updated | |
138 | FROM | |
139 | ttrss_user_entries LEFT JOIN ttrss_feeds ON (ttrss_feeds.id = feed_id), | |
140 | ttrss_entries | |
141 | WHERE | |
142 | (marked = true OR feed_id IS NULL) AND | |
143 | ref_id = ttrss_entries.id AND | |
144 | ttrss_user_entries.owner_uid = " . $_SESSION['uid'] . " | |
145 | ORDER BY ttrss_entries.id LIMIT $limit OFFSET $offset"); | |
146 | ||
147 | $exportname = sha1($_SESSION['uid'] . $_SESSION['login']); | |
148 | ||
149 | if ($offset == 0) { | |
150 | $fp = fopen(CACHE_DIR . "/export/$exportname.xml", "w"); | |
151 | fputs($fp, "<articles schema-version=\"".SCHEMA_VERSION."\">"); | |
152 | } else { | |
153 | $fp = fopen(CACHE_DIR . "/export/$exportname.xml", "a"); | |
154 | } | |
155 | ||
156 | if ($fp) { | |
157 | ||
158 | while ($line = db_fetch_assoc($result)) { | |
159 | fputs($fp, "<article>"); | |
160 | ||
161 | foreach ($line as $k => $v) { | |
162 | fputs($fp, "<$k><![CDATA[$v]]></$k>"); | |
163 | } | |
164 | ||
165 | fputs($fp, "</article>"); | |
166 | } | |
167 | ||
168 | $exported = db_num_rows($result); | |
169 | ||
170 | if ($exported < $limit && $exported > 0) { | |
171 | fputs($fp, "</articles>"); | |
172 | } | |
173 | ||
174 | fclose($fp); | |
175 | } | |
176 | ||
177 | } | |
178 | ||
179 | print json_encode(array("exported" => $exported)); | |
180 | } | |
181 | ||
182 | function perform_data_import($link, $filename, $owner_uid) { | |
183 | ||
184 | $num_imported = 0; | |
185 | $num_processed = 0; | |
186 | $num_feeds_created = 0; | |
187 | ||
188 | $doc = @DOMDocument::load($filename); | |
189 | ||
190 | if (!$doc) { | |
191 | $contents = file_get_contents($filename); | |
192 | ||
193 | if ($contents) { | |
194 | $data = @gzuncompress($contents); | |
195 | } | |
196 | ||
197 | if (!$data) { | |
198 | $data = @gzdecode($contents); | |
199 | } | |
200 | ||
201 | if ($data) | |
202 | $doc = DOMDocument::loadXML($data); | |
203 | } | |
204 | ||
205 | if ($doc) { | |
206 | ||
207 | $xpath = new DOMXpath($doc); | |
208 | ||
209 | $container = $doc->firstChild; | |
210 | ||
211 | if ($container && $container->hasAttribute('schema-version')) { | |
212 | $schema_version = $container->getAttribute('schema-version'); | |
213 | ||
214 | if ($schema_version != SCHEMA_VERSION) { | |
215 | print "<p>" .__("Could not import: incorrect schema version.") . "</p>"; | |
216 | return; | |
217 | } | |
218 | ||
219 | } else { | |
220 | print "<p>" . __("Could not import: unrecognized document format.") . "</p>"; | |
221 | return; | |
222 | } | |
223 | ||
224 | $articles = $xpath->query("//article"); | |
225 | ||
226 | foreach ($articles as $article_node) { | |
227 | if ($article_node->childNodes) { | |
228 | ||
229 | $ref_id = 0; | |
230 | ||
231 | $article = array(); | |
232 | ||
233 | foreach ($article_node->childNodes as $child) { | |
234 | if ($child->nodeName != 'label_cache') | |
235 | $article[$child->nodeName] = db_escape_string($child->nodeValue); | |
236 | else | |
237 | $article[$child->nodeName] = $child->nodeValue; | |
238 | } | |
239 | ||
240 | //print_r($article); | |
241 | ||
242 | if ($article['guid']) { | |
243 | ||
244 | ++$num_processed; | |
245 | ||
246 | //db_query($link, "BEGIN"); | |
247 | ||
248 | //print 'GUID:' . $article['guid'] . "\n"; | |
249 | ||
250 | $result = db_query($link, "SELECT id FROM ttrss_entries | |
251 | WHERE guid = '".$article['guid']."'"); | |
252 | ||
253 | if (db_num_rows($result) == 0) { | |
254 | ||
255 | $result = db_query($link, | |
256 | "INSERT INTO ttrss_entries | |
257 | (title, | |
258 | guid, | |
259 | link, | |
260 | updated, | |
261 | content, | |
262 | content_hash, | |
263 | no_orig_date, | |
264 | date_updated, | |
265 | date_entered, | |
266 | comments, | |
267 | num_comments, | |
268 | author) | |
269 | VALUES | |
270 | ('".$article['title']."', | |
271 | '".$article['guid']."', | |
272 | '".$article['link']."', | |
273 | '".$article['updated']."', | |
274 | '".$article['content']."', | |
275 | '".sha1($article['content'])."', | |
276 | false, | |
277 | NOW(), | |
278 | NOW(), | |
279 | '', | |
280 | '0', | |
281 | '')"); | |
282 | ||
283 | $result = db_query($link, "SELECT id FROM ttrss_entries | |
284 | WHERE guid = '".$article['guid']."'"); | |
285 | ||
286 | if (db_num_rows($result) != 0) { | |
287 | $ref_id = db_fetch_result($result, 0, "id"); | |
288 | } | |
289 | ||
290 | } else { | |
291 | $ref_id = db_fetch_result($result, 0, "id"); | |
292 | } | |
293 | ||
294 | //print "Got ref ID: $ref_id\n"; | |
295 | ||
296 | if ($ref_id) { | |
297 | ||
298 | $feed_url = $article['feed_url']; | |
299 | $feed_title = $article['feed_title']; | |
300 | ||
301 | $feed = 'NULL'; | |
302 | ||
303 | if ($feed_url && $feed_title) { | |
304 | $result = db_query($link, "SELECT id FROM ttrss_feeds | |
305 | WHERE feed_url = '$feed_url' AND owner_uid = '$owner_uid'"); | |
306 | ||
307 | if (db_num_rows($result) != 0) { | |
308 | $feed = db_fetch_result($result, 0, "id"); | |
309 | } else { | |
310 | // try autocreating feed in Uncategorized... | |
311 | ||
312 | $result = db_query($link, "INSERT INTO ttrss_feeds (owner_uid, | |
313 | feed_url, title) VALUES ($owner_uid, '$feed_url', '$feed_title')"); | |
314 | ||
315 | $result = db_query($link, "SELECT id FROM ttrss_feeds | |
316 | WHERE feed_url = '$feed_url' AND owner_uid = '$owner_uid'"); | |
317 | ||
318 | if (db_num_rows($result) != 0) { | |
319 | ++$num_feeds_created; | |
320 | ||
321 | $feed = db_fetch_result($result, 0, "id"); | |
322 | } | |
323 | } | |
324 | } | |
325 | ||
326 | if ($feed != 'NULL') | |
327 | $feed_qpart = "feed_id = $feed"; | |
328 | else | |
329 | $feed_qpart = "feed_id IS NULL"; | |
330 | ||
331 | //print "$ref_id / $feed / " . $article['title'] . "\n"; | |
332 | ||
333 | $result = db_query($link, "SELECT int_id FROM ttrss_user_entries | |
334 | WHERE ref_id = '$ref_id' AND owner_uid = '$owner_uid' AND $feed_qpart"); | |
335 | ||
336 | if (db_num_rows($result) == 0) { | |
337 | ||
338 | $marked = bool_to_sql_bool(sql_bool_to_bool($article['marked'])); | |
339 | $published = bool_to_sql_bool(sql_bool_to_bool($article['published'])); | |
340 | $score = (int) $article['score']; | |
341 | ||
342 | $tag_cache = $article['tag_cache']; | |
343 | $label_cache = db_escape_string($article['label_cache']); | |
344 | $note = $article['note']; | |
345 | ||
346 | //print "Importing " . $article['title'] . "<br/>"; | |
347 | ||
348 | ++$num_imported; | |
349 | ||
350 | $result = db_query($link, | |
351 | "INSERT INTO ttrss_user_entries | |
352 | (ref_id, owner_uid, feed_id, unread, last_read, marked, | |
353 | published, score, tag_cache, label_cache, uuid, note) | |
354 | VALUES ($ref_id, $owner_uid, $feed, false, | |
355 | NULL, $marked, $published, $score, '$tag_cache', | |
356 | '$label_cache', '', '$note')"); | |
357 | ||
358 | $label_cache = json_decode($label_cache, true); | |
359 | ||
360 | if (is_array($label_cache) && $label_cache["no-labels"] != 1) { | |
361 | foreach ($label_cache as $label) { | |
362 | ||
363 | label_create($link, $label[1], | |
364 | $label[2], $label[3], $owner_uid); | |
365 | ||
366 | label_add_article($link, $ref_id, $label[1], $owner_uid); | |
367 | ||
368 | } | |
369 | } | |
370 | ||
371 | //db_query($link, "COMMIT"); | |
372 | } | |
373 | } | |
374 | } | |
375 | } | |
376 | } | |
377 | ||
378 | print "<p>" . | |
379 | T_sprintf("Finished: %d articles processed, %d imported, %d feeds created.", | |
380 | $num_processed, $num_imported, $num_feeds_created) . | |
381 | "</p>"; | |
382 | ||
383 | } else { | |
384 | ||
385 | print "<p>" . __("Could not load XML document.") . "</p>"; | |
386 | ||
387 | } | |
388 | } | |
389 | ||
390 | function exportData() { | |
391 | ||
392 | print "<p style='text-align : center' id='export_status_message'>You need to prepare exported data first by clicking the button below.</p>"; | |
393 | ||
394 | print "<div align='center'>"; | |
395 | print "<button dojoType=\"dijit.form.Button\" | |
396 | onclick=\"dijit.byId('dataExportDlg').prepare()\">". | |
397 | __('Prepare data')."</button>"; | |
398 | ||
399 | print "<button dojoType=\"dijit.form.Button\" | |
400 | onclick=\"dijit.byId('dataExportDlg').hide()\">". | |
401 | __('Close this window')."</button>"; | |
402 | ||
403 | print "</div>"; | |
404 | ||
405 | ||
406 | } | |
407 | ||
408 | function dataImport() { | |
409 | header("Content-Type: text/html"); # required for iframe | |
410 | ||
411 | print "<div style='text-align : center'>"; | |
412 | ||
413 | if (is_file($_FILES['export_file']['tmp_name'])) { | |
414 | ||
415 | $this->perform_data_import($this->link, $_FILES['export_file']['tmp_name'], $_SESSION['uid']); | |
416 | ||
417 | } else { | |
418 | print "<p>" . T_sprintf("Could not upload file. You might need to adjust upload_max_filesize | |
419 | in PHP.ini (current value = %s)", ini_get("upload_max_filesize")) . " or use CLI import tool.</p>"; | |
420 | ||
421 | } | |
422 | ||
423 | print "<button dojoType=\"dijit.form.Button\" | |
424 | onclick=\"dijit.byId('dataImportDlg').hide()\">". | |
425 | __('Close this window')."</button>"; | |
426 | ||
427 | print "</div>"; | |
428 | ||
429 | } | |
430 | ||
431 | ||
432 | } | |
433 | ?> |