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1 <?php
2 class Opml extends Handler_Protected {
3
4         function csrf_ignore($method) {
5                 $csrf_ignored = array("export", "import");
6
7                 return array_search($method, $csrf_ignored) !== false;
8         }
9
10         function export() {
11                 $output_name = $_REQUEST["filename"];
12                 if (!$output_name) $output_name = "TinyTinyRSS.opml";
13
14                 $show_settings = $_REQUEST["settings"];
15
16                 $owner_uid = $_SESSION["uid"];
17                 return $this->opml_export($output_name, $owner_uid, false, ($show_settings == 1));
18         }
19
20         function import() {
21                 $owner_uid = $_SESSION["uid"];
22
23                 header('Content-Type: text/html; charset=utf-8');
24
25                 print "<html>
26                         <head>
27                                 <link rel=\"stylesheet\" href=\"utility.css\" type=\"text/css\">
28                                 <title>".__("OPML Utility")."</title>
29                                 <meta http-equiv=\"Content-Type\" content=\"text/html; charset=utf-8\"/>
30                         </head>
31                         <body>
32                         <div class=\"floatingLogo\"><img src=\"images/logo_small.png\"></div>
33                         <h1>".__('OPML Utility')."</h1><div class='content'>";
34
35                 add_feed_category( "Imported feeds");
36
37                 $this->opml_notice(__("Importing OPML..."));
38                 $this->opml_import($owner_uid);
39
40                 print "<br><form method=\"GET\" action=\"prefs.php\">
41                         <input type=\"submit\" value=\"".__("Return to preferences")."\">
42                         </form>";
43
44                 print "</div></body></html>";
45
46
47         }
48
49         // Export
50
51         private function opml_export_category($owner_uid, $cat_id, $hide_private_feeds=false) {
52
53                 if ($cat_id) {
54                         $cat_qpart = "parent_cat = '$cat_id'";
55                         $feed_cat_qpart = "cat_id = '$cat_id'";
56                 } else {
57                         $cat_qpart = "parent_cat IS NULL";
58                         $feed_cat_qpart = "cat_id IS NULL";
59                 }
60
61                 if ($hide_private_feeds)
62                         $hide_qpart = "(private IS false AND auth_login = '' AND auth_pass = '')";
63                 else
64                         $hide_qpart = "true";
65
66                 $out = "";
67
68                 if ($cat_id) {
69                         $result = db_query( "SELECT title FROM ttrss_feed_categories WHERE id = '$cat_id'
70                                 AND owner_uid = '$owner_uid'");
71                         $cat_title = htmlspecialchars(db_fetch_result($result, 0, "title"));
72                 }
73
74                 if ($cat_title) $out .= "<outline text=\"$cat_title\">\n";
75
76                 $result = db_query( "SELECT id,title
77                         FROM ttrss_feed_categories WHERE
78                         $cat_qpart AND owner_uid = '$owner_uid' ORDER BY order_id, title");
79
80                 while ($line = db_fetch_assoc($result)) {
81                         $title = htmlspecialchars($line["title"]);
82                         $out .= $this->opml_export_category($owner_uid, $line["id"], $hide_private_feeds);
83                 }
84
85                 $feeds_result = db_query( "select title, feed_url, site_url
86                                 from ttrss_feeds where $feed_cat_qpart AND owner_uid = '$owner_uid' AND $hide_qpart
87                                 order by order_id, title");
88
89                 while ($fline = db_fetch_assoc($feeds_result)) {
90                         $title = htmlspecialchars($fline["title"]);
91                         $url = htmlspecialchars($fline["feed_url"]);
92                         $site_url = htmlspecialchars($fline["site_url"]);
93
94                         if ($site_url) {
95                                 $html_url_qpart = "htmlUrl=\"$site_url\"";
96                         } else {
97                                 $html_url_qpart = "";
98                         }
99
100                         $out .= "<outline text=\"$title\" xmlUrl=\"$url\" $html_url_qpart/>\n";
101                 }
102
103                 if ($cat_title) $out .= "</outline>\n";
104
105                 return $out;
106         }
107
108         function opml_export($name, $owner_uid, $hide_private_feeds=false, $include_settings=true) {
109                 if (!$owner_uid) return;
110
111                 if (!isset($_REQUEST["debug"])) {
112                         header("Content-type: application/xml+opml");
113                         header("Content-Disposition: attachment; filename=" . $name );
114                 } else {
115                         header("Content-type: text/xml");
116                 }
117
118                 $out = "<?xml version=\"1.0\" encoding=\"utf-8\"?".">";
119
120                 $out .= "<opml version=\"1.0\">";
121                 $out .= "<head>
122                         <dateCreated>" . date("r", time()) . "</dateCreated>
123                         <title>Tiny Tiny RSS Feed Export</title>
124                 </head>";
125                 $out .= "<body>";
126
127                 $out .= $this->opml_export_category($owner_uid, false, $hide_private_feeds);
128
129                 # export tt-rss settings
130
131                 if ($include_settings) {
132                         $out .= "<outline text=\"tt-rss-prefs\" schema-version=\"".SCHEMA_VERSION."\">";
133
134                         $result = db_query( "SELECT pref_name, value FROM ttrss_user_prefs WHERE
135                            profile IS NULL AND owner_uid = " . $_SESSION["uid"] . " ORDER BY pref_name");
136
137                         while ($line = db_fetch_assoc($result)) {
138                                 $name = $line["pref_name"];
139                                 $value = htmlspecialchars($line["value"]);
140
141                                 $out .= "<outline pref-name=\"$name\" value=\"$value\"/>";
142                         }
143
144                         $out .= "</outline>";
145
146                         $out .= "<outline text=\"tt-rss-labels\" schema-version=\"".SCHEMA_VERSION."\">";
147
148                         $result = db_query( "SELECT * FROM ttrss_labels2 WHERE
149                                 owner_uid = " . $_SESSION['uid']);
150
151                         while ($line = db_fetch_assoc($result)) {
152                                 $name = htmlspecialchars($line['caption']);
153                                 $fg_color = htmlspecialchars($line['fg_color']);
154                                 $bg_color = htmlspecialchars($line['bg_color']);
155
156                                 $out .= "<outline label-name=\"$name\" label-fg-color=\"$fg_color\" label-bg-color=\"$bg_color\"/>";
157
158                         }
159
160                         $out .= "</outline>";
161
162                         $out .= "<outline text=\"tt-rss-filters\" schema-version=\"".SCHEMA_VERSION."\">";
163
164                         $result = db_query( "SELECT * FROM ttrss_filters2
165                                 WHERE owner_uid = ".$_SESSION["uid"]." ORDER BY id");
166
167                         while ($line = db_fetch_assoc($result)) {
168                                 foreach (array('enabled', 'match_any_rule') as $b) {
169                                         $line[$b] = sql_bool_to_bool($line[$b]);
170                                 }
171
172                                 $line["rules"] = array();
173                                 $line["actions"] = array();
174
175                                 $tmp_result = db_query( "SELECT * FROM ttrss_filters2_rules
176                                         WHERE filter_id = ".$line["id"]);
177
178                                 while ($tmp_line = db_fetch_assoc($tmp_result)) {
179                                         unset($tmp_line["id"]);
180                                         unset($tmp_line["filter_id"]);
181
182                                         $cat_filter = sql_bool_to_bool($tmp_line["cat_filter"]);
183
184                                         if ($cat_filter && $tmp_line["cat_id"] || $tmp_line["feed_id"]) {
185                                                 $tmp_line["feed"] = getFeedTitle(
186                                                         $cat_filter ? $tmp_line["cat_id"] : $tmp_line["feed_id"],
187                                                         $cat_filter);
188                                         } else {
189                                                 $tmp_line["feed"] = "";
190                                         }
191
192                                         $tmp_line["cat_filter"] = sql_bool_to_bool($tmp_line["cat_filter"]);
193
194                                         unset($tmp_line["feed_id"]);
195                                         unset($tmp_line["cat_id"]);
196
197                                         array_push($line["rules"], $tmp_line);
198                                 }
199
200                                 $tmp_result = db_query( "SELECT * FROM ttrss_filters2_actions
201                                         WHERE filter_id = ".$line["id"]);
202
203                                 while ($tmp_line = db_fetch_assoc($tmp_result)) {
204                                         unset($tmp_line["id"]);
205                                         unset($tmp_line["filter_id"]);
206
207                                         array_push($line["actions"], $tmp_line);
208                                 }
209
210                                 unset($line["id"]);
211                                 unset($line["owner_uid"]);
212                                 $filter = json_encode($line);
213
214                                 $out .= "<outline filter-type=\"2\"><![CDATA[$filter]]></outline>";
215
216                         }
217
218
219                         $out .= "</outline>";
220                 }
221
222                 $out .= "</body></opml>";
223
224                 // Format output.
225                 $doc = new DOMDocument();
226                 $doc->formatOutput = true;
227                 $doc->preserveWhiteSpace = false;
228                 $doc->loadXML($out);
229
230                 $xpath = new DOMXpath($doc);
231                 $outlines = $xpath->query("//outline[@title]");
232
233                 // cleanup empty categories
234                 foreach ($outlines as $node) {
235                         if ($node->getElementsByTagName('outline')->length == 0)
236                                 $node->parentNode->removeChild($node);
237                 }
238
239                 $res = $doc->saveXML();
240
241 /*              // saveXML uses a two-space indent.  Change to tabs.
242                 $res = preg_replace_callback('/^(?:  )+/mu',
243                         create_function(
244                                 '$matches',
245                                 'return str_repeat("\t", intval(strlen($matches[0])/2));'),
246                         $res); */
247
248                 print $res;
249         }
250
251         // Import
252
253         private function opml_import_feed($doc, $node, $cat_id, $owner_uid) {
254                 $attrs = $node->attributes;
255
256                 $feed_title = db_escape_string( mb_substr($attrs->getNamedItem('text')->nodeValue, 0, 250));
257                 if (!$feed_title) $feed_title = db_escape_string( mb_substr($attrs->getNamedItem('title')->nodeValue, 0, 250));
258
259                 $feed_url = db_escape_string( mb_substr($attrs->getNamedItem('xmlUrl')->nodeValue, 0, 250));
260                 if (!$feed_url) $feed_url = db_escape_string( mb_substr($attrs->getNamedItem('xmlURL')->nodeValue, 0, 250));
261
262                 $site_url = db_escape_string( mb_substr($attrs->getNamedItem('htmlUrl')->nodeValue, 0, 250));
263
264                 if ($feed_url && $feed_title) {
265                         $result = db_query( "SELECT id FROM ttrss_feeds WHERE
266                                 feed_url = '$feed_url' AND owner_uid = '$owner_uid'");
267
268                         if (db_num_rows($result) == 0) {
269                                 #$this->opml_notice("[FEED] [$feed_title/$feed_url] dst_CAT=$cat_id");
270                                 $this->opml_notice(T_sprintf("Adding feed: %s", $feed_title));
271
272                                 if (!$cat_id) $cat_id = 'NULL';
273
274                                 $query = "INSERT INTO ttrss_feeds
275                                         (title, feed_url, owner_uid, cat_id, site_url, order_id) VALUES
276                                         ('$feed_title', '$feed_url', '$owner_uid',
277                                         $cat_id, '$site_url', 0)";
278                                 db_query( $query);
279
280                         } else {
281                                 $this->opml_notice(T_sprintf("Duplicate feed: %s", $feed_title));
282                         }
283                 }
284         }
285
286         private function opml_import_label($doc, $node, $owner_uid) {
287                 $attrs = $node->attributes;
288                 $label_name = db_escape_string( $attrs->getNamedItem('label-name')->nodeValue);
289
290                 if ($label_name) {
291                         $fg_color = db_escape_string( $attrs->getNamedItem('label-fg-color')->nodeValue);
292                         $bg_color = db_escape_string( $attrs->getNamedItem('label-bg-color')->nodeValue);
293
294                         if (!label_find_id( $label_name, $_SESSION['uid'])) {
295                                 $this->opml_notice(T_sprintf("Adding label %s", htmlspecialchars($label_name)));
296                                 label_create( $label_name, $fg_color, $bg_color, $owner_uid);
297                         } else {
298                                 $this->opml_notice(T_sprintf("Duplicate label: %s", htmlspecialchars($label_name)));
299                         }
300                 }
301         }
302
303         private function opml_import_preference($doc, $node, $owner_uid) {
304                 $attrs = $node->attributes;
305                 $pref_name = db_escape_string( $attrs->getNamedItem('pref-name')->nodeValue);
306
307                 if ($pref_name) {
308                         $pref_value = db_escape_string( $attrs->getNamedItem('value')->nodeValue);
309
310                         $this->opml_notice(T_sprintf("Setting preference key %s to %s",
311                                 $pref_name, $pref_value));
312
313                         set_pref( $pref_name, $pref_value);
314                 }
315         }
316
317         private function opml_import_filter($doc, $node, $owner_uid) {
318                 $attrs = $node->attributes;
319
320                 $filter_type = db_escape_string( $attrs->getNamedItem('filter-type')->nodeValue);
321
322                 if ($filter_type == '2') {
323                         $filter = json_decode($node->nodeValue, true);
324
325                         if ($filter) {
326                                 $match_any_rule = bool_to_sql_bool($filter["match_any_rule"]);
327                                 $enabled = bool_to_sql_bool($filter["enabled"]);
328
329                                 db_query( "BEGIN");
330
331                                 db_query( "INSERT INTO ttrss_filters2 (match_any_rule,enabled,owner_uid)
332                                         VALUES ($match_any_rule, $enabled,".$_SESSION["uid"].")");
333
334                                 $result = db_query( "SELECT MAX(id) AS id FROM ttrss_filters2 WHERE
335                                         owner_uid = ".$_SESSION["uid"]);
336                                 $filter_id = db_fetch_result($result, 0, "id");
337
338                                 if ($filter_id) {
339                                         $this->opml_notice(T_sprintf("Adding filter..."));
340
341                                         foreach ($filter["rules"] as $rule) {
342                                                 $feed_id = "NULL";
343                                                 $cat_id = "NULL";
344
345                                                 if (!$rule["cat_filter"]) {
346                                                         $tmp_result = db_query( "SELECT id FROM ttrss_feeds
347                                                                 WHERE title = '".db_escape_string( $rule["feed"])."' AND owner_uid = ".$_SESSION["uid"]);
348                                                         if (db_num_rows($tmp_result) > 0) {
349                                                                 $feed_id = db_fetch_result($tmp_result, 0, "id");
350                                                         }
351                                                 } else {
352                                                         $tmp_result = db_query( "SELECT id FROM ttrss_feed_categories
353                                                                 WHERE title = '".db_escape_string( $rule["feed"])."' AND owner_uid = ".$_SESSION["uid"]);
354
355                                                         if (db_num_rows($tmp_result) > 0) {
356                                                                 $cat_id = db_fetch_result($tmp_result, 0, "id");
357                                                         }
358                                                 }
359
360                                                 $cat_filter = bool_to_sql_bool($rule["cat_filter"]);
361                                                 $reg_exp = db_escape_string( $rule["reg_exp"]);
362                                                 $filter_type = (int)$rule["filter_type"];
363
364                                                 db_query( "INSERT INTO ttrss_filters2_rules (feed_id,cat_id,filter_id,filter_type,reg_exp,cat_filter)
365                                                         VALUES ($feed_id, $cat_id, $filter_id, $filter_type, '$reg_exp', $cat_filter)");
366                                         }
367
368                                         foreach ($filter["actions"] as $action) {
369
370                                                 $action_id = (int)$action["action_id"];
371                                                 $action_param = db_escape_string( $action["action_param"]);
372
373                                                 db_query( "INSERT INTO ttrss_filters2_actions (filter_id,action_id,action_param)
374                                                         VALUES ($filter_id, $action_id, '$action_param')");
375                                         }
376                                 }
377
378                                 db_query( "COMMIT");
379                         }
380                 }
381         }
382
383         private function opml_import_category($doc, $root_node, $owner_uid, $parent_id) {
384                 $body = $doc->getElementsByTagName('body');
385
386                 $default_cat_id = (int) get_feed_category( 'Imported feeds', false);
387
388                 if ($root_node) {
389                         $cat_title = db_escape_string( mb_substr($root_node->attributes->getNamedItem('text')->nodeValue, 0, 250));
390
391                         if (!$cat_title)
392                                 $cat_title = db_escape_string( mb_substr($root_node->attributes->getNamedItem('title')->nodeValue, 0, 250));
393
394                         if (!in_array($cat_title, array("tt-rss-filters", "tt-rss-labels", "tt-rss-prefs"))) {
395                                 $cat_id = get_feed_category( $cat_title, $parent_id);
396                                 db_query( "BEGIN");
397                                 if ($cat_id === false) {
398                                         add_feed_category( $cat_title, $parent_id);
399                                         $cat_id = get_feed_category( $cat_title, $parent_id);
400                                 }
401                                 db_query( "COMMIT");
402                         } else {
403                                 $cat_id = 0;
404                         }
405
406                         $outlines = $root_node->childNodes;
407
408                 } else {
409                         $xpath = new DOMXpath($doc);
410                         $outlines = $xpath->query("//opml/body/outline");
411
412                         $cat_id = 0;
413                 }
414
415                 #$this->opml_notice("[CAT] $cat_title id: $cat_id P_id: $parent_id");
416                 $this->opml_notice(T_sprintf("Processing category: %s", $cat_title ? $cat_title : __("Uncategorized")));
417
418                 foreach ($outlines as $node) {
419                         if ($node->hasAttributes() && strtolower($node->tagName) == "outline") {
420                                 $attrs = $node->attributes;
421                                 $node_cat_title = db_escape_string( $attrs->getNamedItem('text')->nodeValue);
422
423                                 if (!$node_cat_title)
424                                         $node_cat_title = db_escape_string( $attrs->getNamedItem('title')->nodeValue);
425
426                                 $node_feed_url = db_escape_string( $attrs->getNamedItem('xmlUrl')->nodeValue);
427
428                                 if ($node_cat_title && !$node_feed_url) {
429                                         $this->opml_import_category($doc, $node, $owner_uid, $cat_id);
430                                 } else {
431
432                                         if (!$cat_id) {
433                                                 $dst_cat_id = $default_cat_id;
434                                         } else {
435                                                 $dst_cat_id = $cat_id;
436                                         }
437
438                                         switch ($cat_title) {
439                                         case "tt-rss-prefs":
440                                                 $this->opml_import_preference($doc, $node, $owner_uid);
441                                                 break;
442                                         case "tt-rss-labels":
443                                                 $this->opml_import_label($doc, $node, $owner_uid);
444                                                 break;
445                                         case "tt-rss-filters":
446                                                 $this->opml_import_filter($doc, $node, $owner_uid);
447                                                 break;
448                                         default:
449                                                 $this->opml_import_feed($doc, $node, $dst_cat_id, $owner_uid);
450                                         }
451                                 }
452                         }
453                 }
454         }
455
456         function opml_import($owner_uid) {
457                 if (!$owner_uid) return;
458
459                 $debug = isset($_REQUEST["debug"]);
460                 $doc = false;
461
462 #               if ($debug) $doc = DOMDocument::load("/tmp/test.opml");
463
464                 if ($_FILES['opml_file']['error'] != 0) {
465                         print_error(T_sprintf("Upload failed with error code %d",
466                                 $_FILES['opml_file']['error']));
467                         return;
468                 }
469
470                 $tmp_file = false;
471
472                 if (is_uploaded_file($_FILES['opml_file']['tmp_name'])) {
473                         $tmp_file = tempnam(CACHE_DIR . '/upload', 'opml');
474
475                         $result = move_uploaded_file($_FILES['opml_file']['tmp_name'],
476                                 $tmp_file);
477
478                         if (!$result) {
479                                 print_error(__("Unable to move uploaded file."));
480                                 return;
481                         }
482                 } else {
483                         print_error(__('Error: please upload OPML file.'));
484                         return;
485                 }
486
487                 if (is_file($tmp_file)) {
488                         $doc = new DOMDocument();
489                         $doc->load($tmp_file);
490                         unlink($tmp_file);
491                 } else if (!$doc) {
492                         print_error(__('Error: unable to find moved OPML file.'));
493                         return;
494                 }
495
496                 if ($doc) {
497                         $this->opml_import_category($doc, false, $owner_uid, false);
498                 } else {
499                         print_error(__('Error while parsing document.'));
500                 }
501         }
502
503         private function opml_notice($msg) {
504                 print "$msg<br/>";
505         }
506
507         static function opml_publish_url(){
508
509                 $url_path = get_self_url_prefix();
510                 $url_path .= "/opml.php?op=publish&key=" .
511                         get_feed_access_key( 'OPML:Publish', false, $_SESSION["uid"]);
512
513                 return $url_path;
514         }
515
516
517 }
518 ?>