Tiny-Tiny-RSS /classes/opml.php

Language PHP Lines 495
MD5 Hash 0ec5501132de7c176684252768b9eb18
Repository https://github.com/krihal/Tiny-Tiny-RSS.git View Raw File
  1
  2
  3
  4
  5
  6
  7
  8
  9
 10
 11
 12
 13
 14
 15
 16
 17
 18
 19
 20
 21
 22
 23
 24
 25
 26
 27
 28
 29
 30
 31
 32
 33
 34
 35
 36
 37
 38
 39
 40
 41
 42
 43
 44
 45
 46
 47
 48
 49
 50
 51
 52
 53
 54
 55
 56
 57
 58
 59
 60
 61
 62
 63
 64
 65
 66
 67
 68
 69
 70
 71
 72
 73
 74
 75
 76
 77
 78
 79
 80
 81
 82
 83
 84
 85
 86
 87
 88
 89
 90
 91
 92
 93
 94
 95
 96
 97
 98
 99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
<?php
class Opml extends Handler_Protected {

	function csrf_ignore($method) {
		$csrf_ignored = array("export", "import");

		return array_search($method, $csrf_ignored) !== false;
	}

	function export() {
		$output_name = $_REQUEST["filename"];
		if (!$output_name) $output_name = "TinyTinyRSS.opml";

		$show_settings = $_REQUEST["settings"];

		$owner_uid = $_SESSION["uid"];
		return $this->opml_export($output_name, $owner_uid, false, ($show_settings == 1));
	}

	function import() {
		$owner_uid = $_SESSION["uid"];

		header('Content-Type: text/html; charset=utf-8');

		print "<html>
			<head>
				<link rel=\"stylesheet\" href=\"utility.css\" type=\"text/css\">
				<title>".__("OPML Utility")."</title>
				<meta http-equiv=\"Content-Type\" content=\"text/html; charset=utf-8\"/>
			</head>
			<body>
			<div class=\"floatingLogo\"><img src=\"images/logo_wide.png\"></div>
			<h1>".__('OPML Utility')."</h1>";

		add_feed_category($this->link, "Imported feeds");

		$this->opml_notice(__("Importing OPML..."));
		$this->opml_import($owner_uid);

		print "<br><form method=\"GET\" action=\"prefs.php\">
			<input type=\"submit\" value=\"".__("Return to preferences")."\">
			</form>";

		print "</body></html>";


	}

	// Export

	private function opml_export_category($owner_uid, $cat_id, $hide_private_feeds=false) {

		if ($cat_id) {
			$cat_qpart = "parent_cat = '$cat_id'";
			$feed_cat_qpart = "cat_id = '$cat_id'";
		} else {
			$cat_qpart = "parent_cat IS NULL";
			$feed_cat_qpart = "cat_id IS NULL";
		}

		if ($hide_private_feeds)
			$hide_qpart = "(private IS false AND auth_login = '' AND auth_pass = '')";
		else
			$hide_qpart = "true";

		$out = "";

		if ($cat_id) {
			$result = db_query($this->link, "SELECT title FROM ttrss_feed_categories WHERE id = '$cat_id'
				AND owner_uid = '$owner_uid'");
			$cat_title = htmlspecialchars(db_fetch_result($result, 0, "title"));
		}

		if ($cat_title) $out .= "<outline text=\"$cat_title\">\n";

		$result = db_query($this->link, "SELECT id,title
			FROM ttrss_feed_categories WHERE
			$cat_qpart AND owner_uid = '$owner_uid' ORDER BY order_id, title");

		while ($line = db_fetch_assoc($result)) {
			$title = htmlspecialchars($line["title"]);
			$out .= $this->opml_export_category($owner_uid, $line["id"], $hide_private_feeds);
		}

		$feeds_result = db_query($this->link, "select title, feed_url, site_url
				from ttrss_feeds where $feed_cat_qpart AND owner_uid = '$owner_uid' AND $hide_qpart
				order by order_id, title");

		while ($fline = db_fetch_assoc($feeds_result)) {
			$title = htmlspecialchars($fline["title"]);
			$url = htmlspecialchars($fline["feed_url"]);
			$site_url = htmlspecialchars($fline["site_url"]);

			if ($site_url) {
				$html_url_qpart = "htmlUrl=\"$site_url\"";
			} else {
				$html_url_qpart = "";
			}

			$out .= "<outline text=\"$title\" xmlUrl=\"$url\" $html_url_qpart/>\n";
		}

		if ($cat_title) $out .= "</outline>\n";

		return $out;
	}

	function opml_export($name, $owner_uid, $hide_private_feeds=false, $include_settings=true) {
		if (!$owner_uid) return;

		if (!isset($_REQUEST["debug"])) {
			header("Content-type: application/xml+opml");
			header("Content-Disposition: attachment; filename=" . $name );
		} else {
			header("Content-type: text/xml");
		}

		$out = "<?xml version=\"1.0\" encoding=\"utf-8\"?".">";

		$out .= "<opml version=\"1.0\">";
		$out .= "<head>
			<dateCreated>" . date("r", time()) . "</dateCreated>
			<title>Tiny Tiny RSS Feed Export</title>
		</head>";
		$out .= "<body>";

		$out .= $this->opml_export_category($owner_uid, false, $hide_private_feeds);

		# export tt-rss settings

		if ($include_settings) {
			$out .= "<outline text=\"tt-rss-prefs\" schema-version=\"".SCHEMA_VERSION."\">";

			$result = db_query($this->link, "SELECT pref_name, value FROM ttrss_user_prefs WHERE
			   profile IS NULL AND owner_uid = " . $_SESSION["uid"] . " ORDER BY pref_name");

			while ($line = db_fetch_assoc($result)) {
				$name = $line["pref_name"];
				$value = htmlspecialchars($line["value"]);

				$out .= "<outline pref-name=\"$name\" value=\"$value\"/>";
			}

			$out .= "</outline>";

			$out .= "<outline text=\"tt-rss-labels\" schema-version=\"".SCHEMA_VERSION."\">";

			$result = db_query($this->link, "SELECT * FROM ttrss_labels2 WHERE
				owner_uid = " . $_SESSION['uid']);

			while ($line = db_fetch_assoc($result)) {
				$name = htmlspecialchars($line['caption']);
				$fg_color = htmlspecialchars($line['fg_color']);
				$bg_color = htmlspecialchars($line['bg_color']);

				$out .= "<outline label-name=\"$name\" label-fg-color=\"$fg_color\" label-bg-color=\"$bg_color\"/>";

			}

			$out .= "</outline>";

			$out .= "<outline text=\"tt-rss-filters\" schema-version=\"".SCHEMA_VERSION."\">";

			$result = db_query($this->link, "SELECT * FROM ttrss_filters2
				WHERE owner_uid = ".$_SESSION["uid"]." ORDER BY id");

			while ($line = db_fetch_assoc($result)) {
				foreach (array('enabled', 'match_any_rule') as $b) {
					$line[$b] = sql_bool_to_bool($line[$b]);
				}

				$line["rules"] = array();
				$line["actions"] = array();

				$tmp_result = db_query($this->link, "SELECT * FROM ttrss_filters2_rules
					WHERE filter_id = ".$line["id"]);

				while ($tmp_line = db_fetch_assoc($tmp_result)) {
					unset($tmp_line["id"]);
					unset($tmp_line["filter_id"]);

					$cat_filter = sql_bool_to_bool($tmp_line["cat_filter"]);

					if ($cat_filter && $tmp_line["cat_id"] || $tmp_line["feed_id"]) {
						$tmp_line["feed"] = getFeedTitle($this->link,
							$cat_filter ? $tmp_line["cat_id"] : $tmp_line["feed_id"],
							$cat_filter);
					} else {
						$tmp_line["feed"] = "";
					}

					$tmp_line["cat_filter"] = sql_bool_to_bool($tmp_line["cat_filter"]);

					unset($tmp_line["feed_id"]);
					unset($tmp_line["cat_id"]);

					array_push($line["rules"], $tmp_line);
				}

				$tmp_result = db_query($this->link, "SELECT * FROM ttrss_filters2_actions
					WHERE filter_id = ".$line["id"]);

				while ($tmp_line = db_fetch_assoc($tmp_result)) {
					unset($tmp_line["id"]);
					unset($tmp_line["filter_id"]);

					array_push($line["actions"], $tmp_line);
				}

				unset($line["id"]);
				unset($line["owner_uid"]);
				$filter = json_encode($line);

				$out .= "<outline filter-type=\"2\"><![CDATA[$filter]]></outline>";

			}


			$out .= "</outline>";
		}

		$out .= "</body></opml>";

		// Format output.
		$doc = new DOMDocument();
		$doc->formatOutput = true;
		$doc->preserveWhiteSpace = false;
		$doc->loadXML($out);

		$xpath = new DOMXpath($doc);
		$outlines = $xpath->query("//outline[@title]");

		// cleanup empty categories
		foreach ($outlines as $node) {
			if ($node->getElementsByTagName('outline')->length == 0)
				$node->parentNode->removeChild($node);
		}

		$res = $doc->saveXML();

/*		// saveXML uses a two-space indent.  Change to tabs.
		$res = preg_replace_callback('/^(?:  )+/mu',
			create_function(
				'$matches',
				'return str_repeat("\t", intval(strlen($matches[0])/2));'),
			$res); */

		print $res;
	}

	// Import

	private function opml_import_feed($doc, $node, $cat_id, $owner_uid) {
		$attrs = $node->attributes;

		$feed_title = db_escape_string($attrs->getNamedItem('text')->nodeValue);
		if (!$feed_title) $feed_title = db_escape_string($attrs->getNamedItem('title')->nodeValue);

		$feed_url = db_escape_string($attrs->getNamedItem('xmlUrl')->nodeValue);
		if (!$feed_url) $feed_url = db_escape_string($attrs->getNamedItem('xmlURL')->nodeValue);

		$site_url = db_escape_string($attrs->getNamedItem('htmlUrl')->nodeValue);

		if ($feed_url && $feed_title) {
			$result = db_query($this->link, "SELECT id FROM ttrss_feeds WHERE
				feed_url = '$feed_url' AND owner_uid = '$owner_uid'");

			if (db_num_rows($result) == 0) {
				#$this->opml_notice("[FEED] [$feed_title/$feed_url] dst_CAT=$cat_id");
				$this->opml_notice(T_sprintf("Adding feed: %s", $feed_title));

				if (!$cat_id) $cat_id = 'NULL';

				$query = "INSERT INTO ttrss_feeds
					(title, feed_url, owner_uid, cat_id, site_url, order_id) VALUES
					('$feed_title', '$feed_url', '$owner_uid',
					$cat_id, '$site_url', 0)";
				db_query($this->link, $query);

			} else {
				$this->opml_notice(T_sprintf("Duplicate feed: %s", $feed_title));
			}
		}
	}

	private function opml_import_label($doc, $node, $owner_uid) {
		$attrs = $node->attributes;
		$label_name = db_escape_string($attrs->getNamedItem('label-name')->nodeValue);

		if ($label_name) {
			$fg_color = db_escape_string($attrs->getNamedItem('label-fg-color')->nodeValue);
			$bg_color = db_escape_string($attrs->getNamedItem('label-bg-color')->nodeValue);

			if (!label_find_id($this->link, $label_name, $_SESSION['uid'])) {
				$this->opml_notice(T_sprintf("Adding label %s", htmlspecialchars($label_name)));
				label_create($this->link, $label_name, $fg_color, $bg_color, $owner_uid);
			} else {
				$this->opml_notice(T_sprintf("Duplicate label: %s", htmlspecialchars($label_name)));
			}
		}
	}

	private function opml_import_preference($doc, $node, $owner_uid) {
		$attrs = $node->attributes;
		$pref_name = db_escape_string($attrs->getNamedItem('pref-name')->nodeValue);

		if ($pref_name) {
			$pref_value = db_escape_string($attrs->getNamedItem('value')->nodeValue);

			$this->opml_notice(T_sprintf("Setting preference key %s to %s",
				$pref_name, $pref_value));

			set_pref($this->link, $pref_name, $pref_value);
		}
	}

	private function opml_import_filter($doc, $node, $owner_uid) {
		$attrs = $node->attributes;

		$filter_type = db_escape_string($attrs->getNamedItem('filter-type')->nodeValue);

		if ($filter_type == '2') {
			$filter = json_decode($node->nodeValue, true);

			if ($filter) {
				$match_any_rule = bool_to_sql_bool($filter["match_any_rule"]);
				$enabled = bool_to_sql_bool($filter["enabled"]);

				db_query($this->link, "BEGIN");

				db_query($this->link, "INSERT INTO ttrss_filters2 (match_any_rule,enabled,owner_uid)
					VALUES ($match_any_rule, $enabled,".$_SESSION["uid"].")");

				$result = db_query($this->link, "SELECT MAX(id) AS id FROM ttrss_filters2 WHERE
					owner_uid = ".$_SESSION["uid"]);
				$filter_id = db_fetch_result($result, 0, "id");

				if ($filter_id) {
					$this->opml_notice(T_sprintf("Adding filter..."));

					foreach ($filter["rules"] as $rule) {
						$feed_id = "NULL";
						$cat_id = "NULL";

						if (!$rule["cat_filter"]) {
							$tmp_result = db_query($this->link, "SELECT id FROM ttrss_feeds
								WHERE title = '".db_escape_string($rule["feed"])."' AND owner_uid = ".$_SESSION["uid"]);
							if (db_num_rows($tmp_result) > 0) {
								$feed_id = db_fetch_result($tmp_result, 0, "id");
							}
						} else {
							$tmp_result = db_query($this->link, "SELECT id FROM ttrss_feed_categories
								WHERE title = '".db_escape_string($rule["feed"])."' AND owner_uid = ".$_SESSION["uid"]);

							if (db_num_rows($tmp_result) > 0) {
								$cat_id = db_fetch_result($tmp_result, 0, "id");
							}
						}

						$cat_filter = bool_to_sql_bool($rule["cat_filter"]);
						$reg_exp = db_escape_string($rule["reg_exp"]);
						$filter_type = (int)$rule["filter_type"];

						db_query($this->link, "INSERT INTO ttrss_filters2_rules (feed_id,cat_id,filter_id,filter_type,reg_exp,cat_filter)
							VALUES ($feed_id, $cat_id, $filter_id, $filter_type, '$reg_exp', $cat_filter)");
					}

					foreach ($filter["actions"] as $action) {

						$action_id = (int)$action["action_id"];
						$action_param = db_escape_string($action["action_param"]);

						db_query($this->link, "INSERT INTO ttrss_filters2_actions (filter_id,action_id,action_param)
							VALUES ($filter_id, $action_id, '$action_param')");
					}
				}

				db_query($this->link, "COMMIT");
			}
		}
	}

	private function opml_import_category($doc, $root_node, $owner_uid, $parent_id) {
		$body = $doc->getElementsByTagName('body');

		$default_cat_id = (int) get_feed_category($this->link, 'Imported feeds', false);

		if ($root_node) {
			$cat_title = db_escape_string($root_node->attributes->getNamedItem('text')->nodeValue);

			if (!$cat_title)
				$cat_title = db_escape_string($root_node->attributes->getNamedItem('title')->nodeValue);

			if (!in_array($cat_title, array("tt-rss-filters", "tt-rss-labels", "tt-rss-prefs"))) {
				$cat_id = get_feed_category($this->link, $cat_title, $parent_id);
				db_query($this->link, "BEGIN");
				if ($cat_id === false) {
					add_feed_category($this->link, $cat_title, $parent_id);
					$cat_id = get_feed_category($this->link, $cat_title, $parent_id);
				}
				db_query($this->link, "COMMIT");
			} else {
				$cat_id = 0;
			}

			$outlines = $root_node->childNodes;

		} else {
			$xpath = new DOMXpath($doc);
			$outlines = $xpath->query("//opml/body/outline");

			$cat_id = 0;
		}

		#$this->opml_notice("[CAT] $cat_title id: $cat_id P_id: $parent_id");
		$this->opml_notice(T_sprintf("Processing category: %s", $cat_title ? $cat_title : __("Uncategorized")));

		foreach ($outlines as $node) {
			if ($node->hasAttributes() && strtolower($node->tagName) == "outline") {
				$attrs = $node->attributes;
				$node_cat_title = db_escape_string($attrs->getNamedItem('text')->nodeValue);

				if (!$node_cat_title)
					$node_cat_title = db_escape_string($attrs->getNamedItem('title')->nodeValue);

				$node_feed_url = db_escape_string($attrs->getNamedItem('xmlUrl')->nodeValue);

				if ($node_cat_title && !$node_feed_url) {
					$this->opml_import_category($doc, $node, $owner_uid, $cat_id);
				} else {

					if (!$cat_id) {
						$dst_cat_id = $default_cat_id;
					} else {
						$dst_cat_id = $cat_id;
					}

					switch ($cat_title) {
					case "tt-rss-prefs":
						$this->opml_import_preference($doc, $node, $owner_uid);
						break;
					case "tt-rss-labels":
						$this->opml_import_label($doc, $node, $owner_uid);
						break;
					case "tt-rss-filters":
						$this->opml_import_filter($doc, $node, $owner_uid);
						break;
					default:
						$this->opml_import_feed($doc, $node, $dst_cat_id, $owner_uid);
					}
				}
			}
		}
	}

	function opml_import($owner_uid) {
		if (!$owner_uid) return;

		$debug = isset($_REQUEST["debug"]);
		$doc = false;

#		if ($debug) $doc = DOMDocument::load("/tmp/test.opml");

		if (is_file($_FILES['opml_file']['tmp_name'])) {
			$doc = new DOMDocument();
			$doc->load($_FILES['opml_file']['tmp_name']);
		} else if (!$doc) {
			print_error(__('Error: please upload OPML file.'));
			return;
		}

		if ($doc) {
			$this->opml_import_category($doc, false, $owner_uid, false);
		} else {
			print_error(__('Error while parsing document.'));
		}
	}

	private function opml_notice($msg) {
		print "$msg<br/>";
	}

	static function opml_publish_url($link){

		$url_path = get_self_url_prefix();
		$url_path .= "/opml.php?op=publish&key=" .
			get_feed_access_key($link, 'OPML:Publish', false, $_SESSION["uid"]);

		return $url_path;
	}


}
?>
Back to Top