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1 | <?php | |
2 | class Import_Export extends Plugin implements IHandler { | |
3 | private $host; | |
4 | ||
5 | function init($host) { | |
6 | $this->host = $host; | |
7 | ||
8 | $host->add_hook($host::HOOK_PREFS_TAB, $this); | |
9 | $host->add_command("xml-import", "import articles from XML", $this, ":", "FILE"); | |
10 | } | |
11 | ||
12 | function about() { | |
13 | return array(1.0, | |
14 | "Imports and exports user data using neutral XML format", | |
15 | "fox"); | |
16 | } | |
17 | ||
18 | function xml_import($args) { | |
19 | ||
20 | $filename = $args['xml_import']; | |
21 | ||
22 | if (!is_file($filename)) { | |
23 | print "error: input filename ($filename) doesn't exist.\n"; | |
24 | return; | |
25 | } | |
26 | ||
27 | _debug("please enter your username:"); | |
28 | ||
29 | $username = db_escape_string( trim(read_stdin())); | |
30 | ||
31 | _debug("importing $filename for user $username...\n"); | |
32 | ||
33 | $result = db_query( "SELECT id FROM ttrss_users WHERE login = '$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( $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 ($args != "prefFeeds") return; | |
57 | ||
58 | print "<div dojoType=\"dijit.layout.AccordionPane\" title=\"".__('Import and export')."\">"; | |
59 | ||
60 | print "<h3>" . __("Article archive") . "</h3>"; | |
61 | ||
62 | print "<p>" . __("You can export and import your Starred and Archived articles for safekeeping or when migrating between tt-rss instances.") . "</p>"; | |
63 | ||
64 | print "<button dojoType=\"dijit.form.Button\" onclick=\"return exportData()\">". | |
65 | __('Export my data')."</button> "; | |
66 | ||
67 | print "<hr>"; | |
68 | ||
69 | print "<iframe id=\"data_upload_iframe\" | |
70 | name=\"data_upload_iframe\" onload=\"dataImportComplete(this)\" | |
71 | style=\"width: 400px; height: 100px; display: none;\"></iframe>"; | |
72 | ||
73 | print "<form name=\"import_form\" style='display : block' target=\"data_upload_iframe\" | |
74 | enctype=\"multipart/form-data\" method=\"POST\" | |
75 | action=\"backend.php\"> | |
76 | <input id=\"export_file\" name=\"export_file\" type=\"file\"> | |
77 | <input type=\"hidden\" name=\"op\" value=\"pluginhandler\"> | |
78 | <input type=\"hidden\" name=\"plugin\" value=\"import_export\"> | |
79 | <input type=\"hidden\" name=\"method\" value=\"dataimport\"> | |
80 | <button dojoType=\"dijit.form.Button\" onclick=\"return importData();\" type=\"submit\">" . | |
81 | __('Import') . "</button>"; | |
82 | ||
83 | print "</form>"; | |
84 | ||
85 | print "</div>"; # pane | |
86 | } | |
87 | ||
88 | function csrf_ignore($method) { | |
89 | return in_array($method, array("exportget")); | |
90 | } | |
91 | ||
92 | function before($method) { | |
93 | return $_SESSION["uid"] != false; | |
94 | } | |
95 | ||
96 | function after() { | |
97 | return true; | |
98 | } | |
99 | ||
100 | function exportget() { | |
101 | $exportname = CACHE_DIR . "/export/" . | |
102 | sha1($_SESSION['uid'] . $_SESSION['login']) . ".xml"; | |
103 | ||
104 | if (file_exists($exportname)) { | |
105 | header("Content-type: text/xml"); | |
106 | ||
107 | if (function_exists('gzencode')) { | |
108 | header("Content-Disposition: attachment; filename=TinyTinyRSS_exported.xml.gz"); | |
109 | echo gzencode(file_get_contents($exportname)); | |
110 | } else { | |
111 | header("Content-Disposition: attachment; filename=TinyTinyRSS_exported.xml"); | |
112 | echo file_get_contents($exportname); | |
113 | } | |
114 | } else { | |
115 | echo "File not found."; | |
116 | } | |
117 | } | |
118 | ||
119 | function exportrun() { | |
120 | $offset = (int) db_escape_string( $_REQUEST['offset']); | |
121 | $exported = 0; | |
122 | $limit = 250; | |
123 | ||
124 | if ($offset < 10000 && is_writable(CACHE_DIR . "/export")) { | |
125 | $result = db_query( "SELECT | |
126 | ttrss_entries.guid, | |
127 | ttrss_entries.title, | |
128 | content, | |
129 | marked, | |
130 | published, | |
131 | score, | |
132 | note, | |
133 | link, | |
134 | tag_cache, | |
135 | label_cache, | |
136 | ttrss_feeds.title AS feed_title, | |
137 | ttrss_feeds.feed_url AS feed_url, | |
138 | ttrss_entries.updated | |
139 | FROM | |
140 | ttrss_user_entries LEFT JOIN ttrss_feeds ON (ttrss_feeds.id = feed_id), | |
141 | ttrss_entries | |
142 | WHERE | |
143 | (marked = true OR feed_id IS NULL) AND | |
144 | ref_id = ttrss_entries.id AND | |
145 | ttrss_user_entries.owner_uid = " . $_SESSION['uid'] . " | |
146 | ORDER BY ttrss_entries.id LIMIT $limit OFFSET $offset"); | |
147 | ||
148 | $exportname = sha1($_SESSION['uid'] . $_SESSION['login']); | |
149 | ||
150 | if ($offset == 0) { | |
151 | $fp = fopen(CACHE_DIR . "/export/$exportname.xml", "w"); | |
152 | fputs($fp, "<articles schema-version=\"".SCHEMA_VERSION."\">"); | |
153 | } else { | |
154 | $fp = fopen(CACHE_DIR . "/export/$exportname.xml", "a"); | |
155 | } | |
156 | ||
157 | if ($fp) { | |
158 | ||
159 | while ($line = db_fetch_assoc($result)) { | |
160 | fputs($fp, "<article>"); | |
161 | ||
162 | foreach ($line as $k => $v) { | |
163 | $v = str_replace("]]>", "]]]]><![CDATA[>", $v); | |
164 | fputs($fp, "<$k><![CDATA[$v]]></$k>"); | |
165 | } | |
166 | ||
167 | fputs($fp, "</article>"); | |
168 | } | |
169 | ||
170 | $exported = db_num_rows($result); | |
171 | ||
172 | if ($exported < $limit && $exported > 0) { | |
173 | fputs($fp, "</articles>"); | |
174 | } | |
175 | ||
176 | fclose($fp); | |
177 | } | |
178 | ||
179 | } | |
180 | ||
181 | print json_encode(array("exported" => $exported)); | |
182 | } | |
183 | ||
184 | function perform_data_import( $filename, $owner_uid) { | |
185 | ||
186 | $num_imported = 0; | |
187 | $num_processed = 0; | |
188 | $num_feeds_created = 0; | |
189 | ||
190 | $doc = @DOMDocument::load($filename); | |
191 | ||
192 | if (!$doc) { | |
193 | $contents = file_get_contents($filename); | |
194 | ||
195 | if ($contents) { | |
196 | $data = @gzuncompress($contents); | |
197 | } | |
198 | ||
199 | if (!$data) { | |
200 | $data = @gzdecode($contents); | |
201 | } | |
202 | ||
203 | if ($data) | |
204 | $doc = DOMDocument::loadXML($data); | |
205 | } | |
206 | ||
207 | if ($doc) { | |
208 | ||
209 | $xpath = new DOMXpath($doc); | |
210 | ||
211 | $container = $doc->firstChild; | |
212 | ||
213 | if ($container && $container->hasAttribute('schema-version')) { | |
214 | $schema_version = $container->getAttribute('schema-version'); | |
215 | ||
216 | if ($schema_version != SCHEMA_VERSION) { | |
217 | print "<p>" .__("Could not import: incorrect schema version.") . "</p>"; | |
218 | return; | |
219 | } | |
220 | ||
221 | } else { | |
222 | print "<p>" . __("Could not import: unrecognized document format.") . "</p>"; | |
223 | return; | |
224 | } | |
225 | ||
226 | $articles = $xpath->query("//article"); | |
227 | ||
228 | foreach ($articles as $article_node) { | |
229 | if ($article_node->childNodes) { | |
230 | ||
231 | $ref_id = 0; | |
232 | ||
233 | $article = array(); | |
234 | ||
235 | foreach ($article_node->childNodes as $child) { | |
236 | if ($child->nodeName != 'label_cache') | |
237 | $article[$child->nodeName] = db_escape_string( $child->nodeValue); | |
238 | else | |
239 | $article[$child->nodeName] = $child->nodeValue; | |
240 | } | |
241 | ||
242 | //print_r($article); | |
243 | ||
244 | if ($article['guid']) { | |
245 | ||
246 | ++$num_processed; | |
247 | ||
248 | //db_query( "BEGIN"); | |
249 | ||
250 | //print 'GUID:' . $article['guid'] . "\n"; | |
251 | ||
252 | $result = db_query( "SELECT id FROM ttrss_entries | |
253 | WHERE guid = '".$article['guid']."'"); | |
254 | ||
255 | if (db_num_rows($result) == 0) { | |
256 | ||
257 | $result = db_query( | |
258 | "INSERT INTO ttrss_entries | |
259 | (title, | |
260 | guid, | |
261 | link, | |
262 | updated, | |
263 | content, | |
264 | content_hash, | |
265 | no_orig_date, | |
266 | date_updated, | |
267 | date_entered, | |
268 | comments, | |
269 | num_comments, | |
270 | author) | |
271 | VALUES | |
272 | ('".$article['title']."', | |
273 | '".$article['guid']."', | |
274 | '".$article['link']."', | |
275 | '".$article['updated']."', | |
276 | '".$article['content']."', | |
277 | '".sha1($article['content'])."', | |
278 | false, | |
279 | NOW(), | |
280 | NOW(), | |
281 | '', | |
282 | '0', | |
283 | '')"); | |
284 | ||
285 | $result = db_query( "SELECT id FROM ttrss_entries | |
286 | WHERE guid = '".$article['guid']."'"); | |
287 | ||
288 | if (db_num_rows($result) != 0) { | |
289 | $ref_id = db_fetch_result($result, 0, "id"); | |
290 | } | |
291 | ||
292 | } else { | |
293 | $ref_id = db_fetch_result($result, 0, "id"); | |
294 | } | |
295 | ||
296 | //print "Got ref ID: $ref_id\n"; | |
297 | ||
298 | if ($ref_id) { | |
299 | ||
300 | $feed_url = $article['feed_url']; | |
301 | $feed_title = $article['feed_title']; | |
302 | ||
303 | $feed = 'NULL'; | |
304 | ||
305 | if ($feed_url && $feed_title) { | |
306 | $result = db_query( "SELECT id FROM ttrss_feeds | |
307 | WHERE feed_url = '$feed_url' AND owner_uid = '$owner_uid'"); | |
308 | ||
309 | if (db_num_rows($result) != 0) { | |
310 | $feed = db_fetch_result($result, 0, "id"); | |
311 | } else { | |
312 | // try autocreating feed in Uncategorized... | |
313 | ||
314 | $result = db_query( "INSERT INTO ttrss_feeds (owner_uid, | |
315 | feed_url, title) VALUES ($owner_uid, '$feed_url', '$feed_title')"); | |
316 | ||
317 | $result = db_query( "SELECT id FROM ttrss_feeds | |
318 | WHERE feed_url = '$feed_url' AND owner_uid = '$owner_uid'"); | |
319 | ||
320 | if (db_num_rows($result) != 0) { | |
321 | ++$num_feeds_created; | |
322 | ||
323 | $feed = db_fetch_result($result, 0, "id"); | |
324 | } | |
325 | } | |
326 | } | |
327 | ||
328 | if ($feed != 'NULL') | |
329 | $feed_qpart = "feed_id = $feed"; | |
330 | else | |
331 | $feed_qpart = "feed_id IS NULL"; | |
332 | ||
333 | //print "$ref_id / $feed / " . $article['title'] . "\n"; | |
334 | ||
335 | $result = db_query( "SELECT int_id FROM ttrss_user_entries | |
336 | WHERE ref_id = '$ref_id' AND owner_uid = '$owner_uid' AND $feed_qpart"); | |
337 | ||
338 | if (db_num_rows($result) == 0) { | |
339 | ||
340 | $marked = bool_to_sql_bool(sql_bool_to_bool($article['marked'])); | |
341 | $published = bool_to_sql_bool(sql_bool_to_bool($article['published'])); | |
342 | $score = (int) $article['score']; | |
343 | ||
344 | $tag_cache = $article['tag_cache']; | |
345 | $label_cache = db_escape_string( $article['label_cache']); | |
346 | $note = $article['note']; | |
347 | ||
348 | //print "Importing " . $article['title'] . "<br/>"; | |
349 | ||
350 | ++$num_imported; | |
351 | ||
352 | $result = db_query( | |
353 | "INSERT INTO ttrss_user_entries | |
354 | (ref_id, owner_uid, feed_id, unread, last_read, marked, | |
355 | published, score, tag_cache, label_cache, uuid, note) | |
356 | VALUES ($ref_id, $owner_uid, $feed, false, | |
357 | NULL, $marked, $published, $score, '$tag_cache', | |
358 | '$label_cache', '', '$note')"); | |
359 | ||
360 | $label_cache = json_decode($label_cache, true); | |
361 | ||
362 | if (is_array($label_cache) && $label_cache["no-labels"] != 1) { | |
363 | foreach ($label_cache as $label) { | |
364 | ||
365 | label_create( $label[1], | |
366 | $label[2], $label[3], $owner_uid); | |
367 | ||
368 | label_add_article( $ref_id, $label[1], $owner_uid); | |
369 | ||
370 | } | |
371 | } | |
372 | ||
373 | //db_query( "COMMIT"); | |
374 | } | |
375 | } | |
376 | } | |
377 | } | |
378 | } | |
379 | ||
380 | print "<p>" . | |
381 | __("Finished: "). | |
382 | vsprintf(ngettext("%d article processed, ", "%d articles processed, ", $num_processed), $num_processed). | |
383 | vsprintf(ngettext("%d imported, ", "%d imported, ", $num_imported), $num_imported). | |
384 | vsprintf(ngettext("%d feed created.", "%d feeds created.", $num_feeds_created), $num_feeds_created). | |
385 | "</p>"; | |
386 | ||
387 | } else { | |
388 | ||
389 | print "<p>" . __("Could not load XML document.") . "</p>"; | |
390 | ||
391 | } | |
392 | } | |
393 | ||
394 | function exportData() { | |
395 | ||
396 | print "<p style='text-align : center' id='export_status_message'>You need to prepare exported data first by clicking the button below.</p>"; | |
397 | ||
398 | print "<div align='center'>"; | |
399 | print "<button dojoType=\"dijit.form.Button\" | |
400 | onclick=\"dijit.byId('dataExportDlg').prepare()\">". | |
401 | __('Prepare data')."</button>"; | |
402 | ||
403 | print "<button dojoType=\"dijit.form.Button\" | |
404 | onclick=\"dijit.byId('dataExportDlg').hide()\">". | |
405 | __('Close this window')."</button>"; | |
406 | ||
407 | print "</div>"; | |
408 | ||
409 | ||
410 | } | |
411 | ||
412 | function dataImport() { | |
413 | header("Content-Type: text/html"); # required for iframe | |
414 | ||
415 | print "<div style='text-align : center'>"; | |
416 | ||
417 | if ($_FILES['export_file']['error'] != 0) { | |
418 | print_error(T_sprintf("Upload failed with error code %d", | |
419 | $_FILES['export_file']['error'])); | |
420 | return; | |
421 | } | |
422 | ||
423 | $tmp_file = false; | |
424 | ||
425 | if (is_uploaded_file($_FILES['export_file']['tmp_name'])) { | |
426 | $tmp_file = tempnam(CACHE_DIR . '/upload', 'export'); | |
427 | ||
428 | $result = move_uploaded_file($_FILES['export_file']['tmp_name'], | |
429 | $tmp_file); | |
430 | ||
431 | if (!$result) { | |
432 | print_error(__("Unable to move uploaded file.")); | |
433 | return; | |
434 | } | |
435 | } else { | |
436 | print_error(__('Error: please upload OPML file.')); | |
437 | return; | |
438 | } | |
439 | ||
440 | if (is_file($tmp_file)) { | |
441 | $this->perform_data_import( $tmp_file, $_SESSION['uid']); | |
442 | unlink($tmp_file); | |
443 | } else { | |
444 | print_error(__('No file uploaded.')); | |
445 | return; | |
446 | } | |
447 | ||
448 | print "<button dojoType=\"dijit.form.Button\" | |
449 | onclick=\"dijit.byId('dataImportDlg').hide()\">". | |
450 | __('Close this window')."</button>"; | |
451 | ||
452 | print "</div>"; | |
453 | ||
454 | } | |
455 | ||
456 | ||
457 | } | |
458 | ?> |