[tt-rss.git] / classes / opml.php

<?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"];

		$rc = $this->opml_export($output_name, $owner_uid, false, ($show_settings == 1));

		return $rc;
	}

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

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

		print "<html>
			<head>
				".stylesheet_tag("css/default.css")."
				<title>".__("OPML Utility")."</title>
				<meta http-equiv=\"Content-Type\" content=\"text/html; charset=utf-8\"/>
			</head>
			<body class='claro ttrss_utility'>
			<div class=\"floatingLogo\"><img src=\"images/logo_small.png\"></div>
			<h1>".__('OPML Utility')."</h1><div class='content'>";

		add_feed_category("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 "</div></body></html>";


	}

	// Export

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

		$cat_id = (int) $cat_id;

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

		$out = "";

		if ($cat_id) {
			$sth = $this->pdo->prepare("SELECT title FROM ttrss_feed_categories WHERE id = ?
				AND owner_uid = ?");
			$sth->execute([$cat_id, $owner_uid]);
			$row = $sth->fetch();
			$cat_title = htmlspecialchars($row['title']);
		}

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

		$sth = $this->pdo->prepare("SELECT id,title
			FROM ttrss_feed_categories WHERE
				(parent_cat = :cat OR (:cat = 0 AND parent_cat IS NULL)) AND 
				owner_uid = :uid ORDER BY order_id, title");

		$sth->execute([':cat' => $cat_id, ':uid' => $owner_uid]);

		while ($line = $sth->fetch()) {
			$out .= $this->opml_export_category($owner_uid, $line["id"], $hide_private_feeds);
		}

		$fsth = $this->pdo->prepare("select title, feed_url, site_url
				FROM ttrss_feeds WHERE 
					(cat_id = :cat OR (:cat = 0 AND cat_id IS NULL)) AND owner_uid = :uid AND $hide_qpart
				ORDER BY order_id, title");

		$fsth->execute([':cat' => $cat_id, ':uid' => $owner_uid]);

		while ($fline = $fsth->fetch()) {
			$title = htmlspecialchars($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 = "";
			}

			$out .= "<outline type=\"rss\" text=\"$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, 0, $hide_private_feeds);

		# export tt-rss settings

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

			$sth = $this->pdo->prepare("SELECT pref_name, value FROM ttrss_user_prefs WHERE
			   profile IS NULL AND owner_uid = ? ORDER BY pref_name");
			$sth->execute([$owner_uid]);

			while ($line = $sth->fetch()) {
				$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."\">";

			$sth = $this->pdo->prepare("SELECT * FROM ttrss_labels2 WHERE
				owner_uid = ?");
			$sth->execute([$owner_uid]);

			while ($line = $sth->fetch()) {
				$name = htmlspecialchars($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."\">";

			$sth = $this->pdo->prepare("SELECT * FROM ttrss_filters2
				WHERE owner_uid = ? ORDER BY id");
			$sth->execute([$owner_uid]);

			while ($line = $sth->fetch()) {
				$line["rules"] = array();
				$line["actions"] = array();

				$tmph = $this->pdo->prepare("SELECT * FROM ttrss_filters2_rules
					WHERE filter_id = ?");
				$tmph->execute([$line['id']]);

				while ($tmp_line = $tmph->fetch()) {
					unset($tmp_line["id"]);
					unset($tmp_line["filter_id"]);

					$cat_filter = $tmp_line["cat_filter"];

					if (!$tmp_line["match_on"]) {
                        if ($cat_filter && $tmp_line["cat_id"] || $tmp_line["feed_id"]) {
                            $tmp_line["feed"] = Feeds::getFeedTitle(
                                $cat_filter ? $tmp_line["cat_id"] : $tmp_line["feed_id"],
                                $cat_filter);
                        } else {
                            $tmp_line["feed"] = "";
                        }
                    } else {
					    $match = [];
					    foreach (json_decode($tmp_line["match_on"], true) as $feed_id) {

                            if (strpos($feed_id, "CAT:") === 0) {
                                $feed_id = (int)substr($feed_id, 4);
                                if ($feed_id) {
                                    array_push($match, [Feeds::getCategoryTitle($feed_id), true, false]);
                                } else {
                                    array_push($match, [0, true, true]);
                                }
                            } else {
                                if ($feed_id) {
                                    array_push($match, [Feeds::getFeedTitle((int)$feed_id), false, false]);
                                } else {
                                    array_push($match, [0, false, true]);
                                }
                            }
                        }

                        $tmp_line["match"] = $match;
					    unset($tmp_line["match_on"]);
                    }

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

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

				$tmph = $this->pdo->prepare("SELECT * FROM ttrss_filters2_actions
					WHERE filter_id = ?");
				$tmph->execute([$line['id']]);

				while ($tmp_line = $tmph->fetch()) {
					unset($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($node, $cat_id, $owner_uid) {
		$attrs = $node->attributes;

		$feed_title = mb_substr($attrs->getNamedItem('text')->nodeValue, 0, 250);
		if (!$feed_title) $feed_title = mb_substr($attrs->getNamedItem('title')->nodeValue, 0, 250);

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

		$site_url = mb_substr($attrs->getNamedItem('htmlUrl')->nodeValue, 0, 250);

		if ($feed_url && $feed_title) {
			$sth = $this->pdo->prepare("SELECT id FROM ttrss_feeds WHERE
				feed_url = ? AND owner_uid = ?");
			$sth->execute([$feed_url, $owner_uid]);

			if (!$sth->fetch()) {
				#$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;

				$sth = $this->pdo->prepare("INSERT INTO ttrss_feeds
					(title, feed_url, owner_uid, cat_id, site_url, order_id) VALUES
					(?, ?, ?, ?, ?, 0)");

				$sth->execute([$feed_title, $feed_url, $owner_uid, $cat_id, $site_url]);

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

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

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

			if (!Labels::find_id($label_name, $_SESSION['uid'])) {
				$this->opml_notice(T_sprintf("Adding label %s", htmlspecialchars($label_name)));
				Labels::create($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($node) {
		$attrs = $node->attributes;
		$pref_name = $attrs->getNamedItem('pref-name')->nodeValue;

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

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

			set_pref($pref_name, $pref_value);
		}
	}

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

		$filter_type = $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"]);
				$inverse = bool_to_sql_bool($filter["inverse"]);
				$title = $filter["title"];

				print "F: $title, $inverse, $enabled, $match_any_rule";

				$sth = $this->pdo->prepare("INSERT INTO ttrss_filters2 (match_any_rule,enabled,inverse,title,owner_uid)
					VALUES (?, ?, ?, ?, ?)");

				$sth->execute([$match_any_rule, $enabled, $inverse, $title, $_SESSION['uid']]);

				$sth = $this->pdo->prepare("SELECT MAX(id) AS id FROM ttrss_filters2 WHERE
					owner_uid = ?");
				$sth->execute([$_SESSION['uid']]);

				$row = $sth->fetch();
				$filter_id = $row['id'];

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

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

						if ($rule["match"]) {

                            $match_on = [];

						    foreach ($rule["match"] as $match) {
						        list ($name, $is_cat, $is_id) = $match;

						        if ($is_id) {
						            array_push($match_on, ($is_cat ? "CAT:" : "") . $name);
                                } else {

						            $match_id = false;

                                    if (!$is_cat) {
                                        $tsth = $this->pdo->prepare("SELECT id FROM ttrss_feeds
                                    		WHERE title = ? AND owner_uid = ?");

                                        $tsth->execute([$name, $_SESSION['uid']]);

                                        if ($row = $tsth->fetch()) {
                                            $match_id = $row['id'];
                                        }
                                    } else {
                                        $tsth = $this->pdo->prepare("SELECT id FROM ttrss_feed_categories
                                    		WHERE title = ? AND owner_uid = ?");
										$tsth->execute([$name, $_SESSION['uid']]);

										if ($row = $tsth->fetch()) {
											$match_id = $row['id'];
										}
                                    }

                                    if ($match_id) array_push($match_on, $match_id);
                                }
                            }

                            $reg_exp = $rule["reg_exp"];
                            $filter_type = (int)$rule["filter_type"];
                            $inverse = bool_to_sql_bool($rule["inverse"]);
                            $match_on = json_encode($match_on);

                            $usth = $this->pdo->prepare("INSERT INTO ttrss_filters2_rules 
								(feed_id,cat_id,match_on,filter_id,filter_type,reg_exp,cat_filter,inverse)
                                VALUES 
                                (NULL, NULL, ?, ?, ?, ?, false, ?)");
                            $usth->execute([$match_on, $filter_id, $filter_type, $reg_exp, $inverse]);

                        } else {

                            if (!$rule["cat_filter"]) {
                                $tsth = $this->pdo->prepare("SELECT id FROM ttrss_feeds
                                    WHERE title = ? AND owner_uid = ?");

                                $tsth->execute([$rule['feed'], $_SESSION['uid']]);

                                if ($row = $tsth->fetch()) {
                                    $feed_id = $row['id'];
                                }
                            } else {
								$tsth = $this->pdo->prepare("SELECT id FROM ttrss_feed_categories
                                    WHERE title = ? AND owner_uid = ?");

								$tsth->execute([$rule['feed'], $_SESSION['uid']]);

								if ($row = $tsth->fetch()) {
									$feed_id = $row['id'];
								}
                            }

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

                            $usth = $this->pdo->prepare("INSERT INTO ttrss_filters2_rules 
								(feed_id,cat_id,filter_id,filter_type,reg_exp,cat_filter,inverse)
                                VALUES 
                                (?, ?, ?, ?, ?, ?, ?)");
                            $usth->execute([$feed_id, $cat_id, $filter_id, $filter_type, $reg_exp, $cat_filter, $inverse]);
                        }
					}

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

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

						$usth = $this->pdo->prepare("INSERT INTO ttrss_filters2_actions 
							(filter_id,action_id,action_param)
							VALUES 
							(?, ?, ?)");
						$usth->execute([$filter_id, $action_id, $action_param]);
					}
				}
			}
		}
	}

	private function opml_import_category($doc, $root_node, $owner_uid, $parent_id) {
		$default_cat_id = (int) $this->get_feed_category('Imported feeds', false);

		if ($root_node) {
			$cat_title = mb_substr($root_node->attributes->getNamedItem('text')->nodeValue, 0, 250);

			if (!$cat_title)
				$cat_title = mb_substr($root_node->attributes->getNamedItem('title')->nodeValue, 0, 250);

			if (!in_array($cat_title, array("tt-rss-filters", "tt-rss-labels", "tt-rss-prefs"))) {
				$cat_id = $this->get_feed_category($cat_title, $parent_id);

				if ($cat_id === false) {
					add_feed_category($cat_title, $parent_id);
					$cat_id = $this->get_feed_category($cat_title, $parent_id);
				}

			} 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 = $attrs->getNamedItem('text')->nodeValue;

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

				$node_feed_url = $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":
						$this->opml_import_preference($node);
						break;
					case "tt-rss-labels":
						$this->opml_import_label($node, $owner_uid);
						break;
					case "tt-rss-filters":
						$this->opml_import_filter($node);
						break;
					default:
						$this->opml_import_feed($node, $dst_cat_id, $owner_uid);
					}
				}
			}
		}
	}

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

		$doc = false;

		if ($_FILES['opml_file']['error'] != 0) {
			print_error(T_sprintf("Upload failed with error code %d",
				$_FILES['opml_file']['error']));
			return;
		}

		if (is_uploaded_file($_FILES['opml_file']['tmp_name'])) {
			$tmp_file = tempnam(CACHE_DIR . '/upload', 'opml');

			$result = move_uploaded_file($_FILES['opml_file']['tmp_name'],
				$tmp_file);

			if (!$result) {
				print_error(__("Unable to move uploaded file."));
				return;
			}
		} else {
			print_error(__('Error: please upload OPML file.'));
			return;
		}

		if (is_file($tmp_file)) {
			$doc = new DOMDocument();
			libxml_disable_entity_loader(false);
			$doc->load($tmp_file);
			libxml_disable_entity_loader(true);
			unlink($tmp_file);
		} else if (!$doc) {
			print_error(__('Error: unable to find moved OPML file.'));
			return;
		}

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

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

	static function opml_publish_url(){

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

		return $url_path;
	}

	function get_feed_category($feed_cat, $parent_cat_id = false) {

		$parent_cat_id = (int) $parent_cat_id;

		$sth = $this->pdo->prepare("SELECT id FROM ttrss_feed_categories
			WHERE title = :title 
			AND (parent_cat = :parent OR (:parent = 0 AND parent_cat IS NULL))
			AND owner_uid = :uid");

		$sth->execute([':title' => $feed_cat, ':parent' => $parent_cat_id, ':uid' => $_SESSION['uid']]);

		if ($row = $sth->fetch()) {
			return $row['id'];
		} else {
			return false;
		}
	}


}
Commit	Line	Data
3f9de6cc	1	<?php
369dbc19	2	class Opml extends Handler_Protected {
3f9de6cc AD	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"];
c949a928 AD	17
	18	$rc = $this->opml_export($output_name, $owner_uid, false, ($show_settings == 1));
	19
	20	return $rc;
3f9de6cc AD	21	}
	22
	23	function import() {
	24	$owner_uid = $_SESSION["uid"];
	25
	26	header('Content-Type: text/html; charset=utf-8');
	27
	28	print "<html>
	29	<head>
09bc54c6	30	".stylesheet_tag("css/default.css")."
3f9de6cc AD	31	<title>".__("OPML Utility")."</title>
	32	<meta http-equiv=\"Content-Type\" content=\"text/html; charset=utf-8\"/>
	33	</head>
09bc54c6	34	<body class='claro ttrss_utility'>
884d1650 AD	35	<div class=\"floatingLogo\"><img src=\"images/logo_small.png\"></div>
884d1650 AD	36	<h1>".__('OPML Utility')."</h1><div class='content'>";
3f9de6cc	37
a42c55f0	38	add_feed_category("Imported feeds");
3f9de6cc AD	39
3f9de6cc AD	40	$this->opml_notice(__("Importing OPML..."));
c949a928	41
3f9de6cc AD	42	$this->opml_import($owner_uid);
	43
	44	print "<br><form method=\"GET\" action=\"prefs.php\">
	45	<input type=\"submit\" value=\"".__("Return to preferences")."\">
	46	</form>";
	47
884d1650	48	print "</div></body></html>";
3f9de6cc AD	49
	50
	51	}
	52
	53	// Export
	54
	55	private function opml_export_category($owner_uid, $cat_id, $hide_private_feeds=false) {
	56
c949a928	57	$cat_id = (int) $cat_id;
3f9de6cc AD	58
	59	if ($hide_private_feeds)
	60	$hide_qpart = "(private IS false AND auth_login = '' AND auth_pass = '')";
	61	else
	62	$hide_qpart = "true";
	63
	64	$out = "";
	65
	66	if ($cat_id) {
c949a928 AD	67	$sth = $this->pdo->prepare("SELECT title FROM ttrss_feed_categories WHERE id = ?
	68	AND owner_uid = ?");
	69	$sth->execute([$cat_id, $owner_uid]);
	70	$row = $sth->fetch();
	71	$cat_title = htmlspecialchars($row['title']);
3f9de6cc AD	72	}
3f9de6cc AD	73
fd087799	74	if ($cat_title) $out .= "<outline text=\"$cat_title\">\n";
3f9de6cc	75
c949a928	76	$sth = $this->pdo->prepare("SELECT id,title
3f9de6cc	77	FROM ttrss_feed_categories WHERE
c949a928 AD	78	(parent_cat = :cat OR (:cat = 0 AND parent_cat IS NULL)) AND
	79	owner_uid = :uid ORDER BY order_id, title");
	80
	81	$sth->execute([':cat' => $cat_id, ':uid' => $owner_uid]);
3f9de6cc	82
c949a928	83	while ($line = $sth->fetch()) {
3f9de6cc AD	84	$out .= $this->opml_export_category($owner_uid, $line["id"], $hide_private_feeds);
	85	}
	86
c949a928 AD	87	$fsth = $this->pdo->prepare("select title, feed_url, site_url
	88	FROM ttrss_feeds WHERE
	89	(cat_id = :cat OR (:cat = 0 AND cat_id IS NULL)) AND owner_uid = :uid AND $hide_qpart
	90	ORDER BY order_id, title");
3f9de6cc	91
c949a928 AD	92	$fsth->execute([':cat' => $cat_id, ':uid' => $owner_uid]);
	93
	94	while ($fline = $fsth->fetch()) {
3f9de6cc AD	95	$title = htmlspecialchars($fline["title"]);
	96	$url = htmlspecialchars($fline["feed_url"]);
	97	$site_url = htmlspecialchars($fline["site_url"]);
	98
	99	if ($site_url) {
	100	$html_url_qpart = "htmlUrl=\"$site_url\"";
	101	} else {
	102	$html_url_qpart = "";
	103	}
	104
7bdc1df1	105	$out .= "<outline type=\"rss\" text=\"$title\" xmlUrl=\"$url\" $html_url_qpart/>\n";
3f9de6cc AD	106	}
	107
	108	if ($cat_title) $out .= "</outline>\n";
	109
	110	return $out;
	111	}
	112
	113	function opml_export($name, $owner_uid, $hide_private_feeds=false, $include_settings=true) {
	114	if (!$owner_uid) return;
	115
	116	if (!isset($_REQUEST["debug"])) {
	117	header("Content-type: application/xml+opml");
	118	header("Content-Disposition: attachment; filename=" . $name );
	119	} else {
	120	header("Content-type: text/xml");
	121	}
	122
	123	$out = "<?xml version=\"1.0\" encoding=\"utf-8\"?".">";
	124
	125	$out .= "<opml version=\"1.0\">";
	126	$out .= "<head>
	127	<dateCreated>" . date("r", time()) . "</dateCreated>
	128	<title>Tiny Tiny RSS Feed Export</title>
	129	</head>";
	130	$out .= "<body>";
	131
c949a928	132	$out .= $this->opml_export_category($owner_uid, 0, $hide_private_feeds);
3f9de6cc AD	133
	134	# export tt-rss settings
	135
	136	if ($include_settings) {
fd087799	137	$out .= "<outline text=\"tt-rss-prefs\" schema-version=\"".SCHEMA_VERSION."\">";
3f9de6cc	138
c949a928 AD	139	$sth = $this->pdo->prepare("SELECT pref_name, value FROM ttrss_user_prefs WHERE
	140	profile IS NULL AND owner_uid = ? ORDER BY pref_name");
	141	$sth->execute([$owner_uid]);
3f9de6cc	142
c949a928	143	while ($line = $sth->fetch()) {
3f9de6cc AD	144	$name = $line["pref_name"];
	145	$value = htmlspecialchars($line["value"]);
	146
	147	$out .= "<outline pref-name=\"$name\" value=\"$value\"/>";
	148	}
	149
	150	$out .= "</outline>";
	151
fd087799	152	$out .= "<outline text=\"tt-rss-labels\" schema-version=\"".SCHEMA_VERSION."\">";
3f9de6cc	153
c949a928 AD	154	$sth = $this->pdo->prepare("SELECT * FROM ttrss_labels2 WHERE
	155	owner_uid = ?");
	156	$sth->execute([$owner_uid]);
3f9de6cc	157
c949a928	158	while ($line = $sth->fetch()) {
3f9de6cc AD	159	$name = htmlspecialchars($line['caption']);
	160	$fg_color = htmlspecialchars($line['fg_color']);
	161	$bg_color = htmlspecialchars($line['bg_color']);
	162
	163	$out .= "<outline label-name=\"$name\" label-fg-color=\"$fg_color\" label-bg-color=\"$bg_color\"/>";
	164
	165	}
	166
	167	$out .= "</outline>";
	168
fd087799	169	$out .= "<outline text=\"tt-rss-filters\" schema-version=\"".SCHEMA_VERSION."\">";
3f9de6cc	170
c949a928 AD	171	$sth = $this->pdo->prepare("SELECT * FROM ttrss_filters2
	172	WHERE owner_uid = ? ORDER BY id");
	173	$sth->execute([$owner_uid]);
3f9de6cc	174
c949a928	175	while ($line = $sth->fetch()) {
fd994f1a AD	176	$line["rules"] = array();
	177	$line["actions"] = array();
	178
c949a928 AD	179	$tmph = $this->pdo->prepare("SELECT * FROM ttrss_filters2_rules
	180	WHERE filter_id = ?");
	181	$tmph->execute([$line['id']]);
fd994f1a	182
c949a928	183	while ($tmp_line = $tmph->fetch()) {
fd994f1a AD	184	unset($tmp_line["id"]);
	185	unset($tmp_line["filter_id"]);
	186
187abfe7	187	$cat_filter = $tmp_line["cat_filter"];
fd994f1a	188
02f3992a AD	189	if (!$tmp_line["match_on"]) {
	190	if ($cat_filter && $tmp_line["cat_id"] \|\| $tmp_line["feed_id"]) {
	191	$tmp_line["feed"] = Feeds::getFeedTitle(
	192	$cat_filter ? $tmp_line["cat_id"] : $tmp_line["feed_id"],
	193	$cat_filter);
	194	} else {
	195	$tmp_line["feed"] = "";
	196	}
	197	} else {
	198	$match = [];
	199	foreach (json_decode($tmp_line["match_on"], true) as $feed_id) {
	200
	201	if (strpos($feed_id, "CAT:") === 0) {
	202	$feed_id = (int)substr($feed_id, 4);
	203	if ($feed_id) {
	204	array_push($match, [Feeds::getCategoryTitle($feed_id), true, false]);
	205	} else {
	206	array_push($match, [0, true, true]);
	207	}
	208	} else {
	209	if ($feed_id) {
	210	array_push($match, [Feeds::getFeedTitle((int)$feed_id), false, false]);
	211	} else {
	212	array_push($match, [0, false, true]);
	213	}
	214	}
	215	}
	216
	217	$tmp_line["match"] = $match;
	218	unset($tmp_line["match_on"]);
	219	}
fd994f1a AD	220
	221	unset($tmp_line["feed_id"]);
	222	unset($tmp_line["cat_id"]);
	223
	224	array_push($line["rules"], $tmp_line);
	225	}
	226
c949a928 AD	227	$tmph = $this->pdo->prepare("SELECT * FROM ttrss_filters2_actions
	228	WHERE filter_id = ?");
	229	$tmph->execute([$line['id']]);
fd994f1a	230
c949a928	231	while ($tmp_line = $tmph->fetch()) {
fd994f1a AD	232	unset($tmp_line["id"]);
	233	unset($tmp_line["filter_id"]);
	234
	235	array_push($line["actions"], $tmp_line);
	236	}
	237
	238	unset($line["id"]);
	239	unset($line["owner_uid"]);
3f9de6cc AD	240	$filter = json_encode($line);
3f9de6cc AD	241
dd0a17b0	242	$out .= "<outline filter-type=\"2\"><![CDATA[$filter]]></outline>";
3f9de6cc AD	243
	244	}
	245
	246
fd994f1a	247	$out .= "</outline>";
3f9de6cc AD	248	}
	249
	250	$out .= "</body></opml>";
	251
	252	// Format output.
	253	$doc = new DOMDocument();
	254	$doc->formatOutput = true;
	255	$doc->preserveWhiteSpace = false;
	256	$doc->loadXML($out);
	257
	258	$xpath = new DOMXpath($doc);
	259	$outlines = $xpath->query("//outline[@title]");
	260
	261	// cleanup empty categories
	262	foreach ($outlines as $node) {
	263	if ($node->getElementsByTagName('outline')->length == 0)
	264	$node->parentNode->removeChild($node);
	265	}
	266
	267	$res = $doc->saveXML();
	268
dd0a17b0	269	/* // saveXML uses a two-space indent. Change to tabs.
3f9de6cc AD	270	$res = preg_replace_callback('/^(?: )+/mu',
	271	create_function(
	272	'$matches',
	273	'return str_repeat("\t", intval(strlen($matches[0])/2));'),
dd0a17b0	274	$res); */
3f9de6cc AD	275
	276	print $res;
	277	}
	278
	279	// Import
	280
7b55001e	281	private function opml_import_feed($node, $cat_id, $owner_uid) {
3f9de6cc AD	282	$attrs = $node->attributes;
3f9de6cc AD	283
c949a928 AD	284	$feed_title = mb_substr($attrs->getNamedItem('text')->nodeValue, 0, 250);
c949a928 AD	285	if (!$feed_title) $feed_title = mb_substr($attrs->getNamedItem('title')->nodeValue, 0, 250);
3f9de6cc	286
c949a928 AD	287	$feed_url = $attrs->getNamedItem('xmlUrl')->nodeValue;
c949a928 AD	288	if (!$feed_url) $feed_url = $attrs->getNamedItem('xmlURL')->nodeValue;
3f9de6cc	289
c949a928	290	$site_url = mb_substr($attrs->getNamedItem('htmlUrl')->nodeValue, 0, 250);
3f9de6cc AD	291
3f9de6cc AD	292	if ($feed_url && $feed_title) {
c949a928 AD	293	$sth = $this->pdo->prepare("SELECT id FROM ttrss_feeds WHERE
	294	feed_url = ? AND owner_uid = ?");
	295	$sth->execute([$feed_url, $owner_uid]);
3f9de6cc	296
c949a928	297	if (!$sth->fetch()) {
3f9de6cc AD	298	#$this->opml_notice("[FEED] [$feed_title/$feed_url] dst_CAT=$cat_id");
	299	$this->opml_notice(T_sprintf("Adding feed: %s", $feed_title));
	300
c949a928	301	if (!$cat_id) $cat_id = null;
dd0a17b0	302
c949a928	303	$sth = $this->pdo->prepare("INSERT INTO ttrss_feeds
3f9de6cc	304	(title, feed_url, owner_uid, cat_id, site_url, order_id) VALUES
c949a928 AD	305	(?, ?, ?, ?, ?, 0)");
	306
	307	$sth->execute([$feed_title, $feed_url, $owner_uid, $cat_id, $site_url]);
3f9de6cc AD	308
	309	} else {
	310	$this->opml_notice(T_sprintf("Duplicate feed: %s", $feed_title));
	311	}
	312	}
	313	}
	314
7b55001e	315	private function opml_import_label($node, $owner_uid) {
3f9de6cc	316	$attrs = $node->attributes;
c949a928	317	$label_name = $attrs->getNamedItem('label-name')->nodeValue;
3f9de6cc AD	318
3f9de6cc AD	319	if ($label_name) {
c949a928 AD	320	$fg_color = $attrs->getNamedItem('label-fg-color')->nodeValue;
c949a928 AD	321	$bg_color = $attrs->getNamedItem('label-bg-color')->nodeValue;
3f9de6cc	322
7c9b5a3f	323	if (!Labels::find_id($label_name, $_SESSION['uid'])) {
3f9de6cc	324	$this->opml_notice(T_sprintf("Adding label %s", htmlspecialchars($label_name)));
7c9b5a3f	325	Labels::create($label_name, $fg_color, $bg_color, $owner_uid);
3f9de6cc AD	326	} else {
	327	$this->opml_notice(T_sprintf("Duplicate label: %s", htmlspecialchars($label_name)));
	328	}
	329	}
	330	}
	331
7b55001e	332	private function opml_import_preference($node) {
3f9de6cc	333	$attrs = $node->attributes;
c949a928	334	$pref_name = $attrs->getNamedItem('pref-name')->nodeValue;
3f9de6cc AD	335
3f9de6cc AD	336	if ($pref_name) {
c949a928	337	$pref_value = $attrs->getNamedItem('value')->nodeValue;
3f9de6cc AD	338
	339	$this->opml_notice(T_sprintf("Setting preference key %s to %s",
	340	$pref_name, $pref_value));
	341
a42c55f0	342	set_pref($pref_name, $pref_value);
3f9de6cc AD	343	}
	344	}
	345
7b55001e	346	private function opml_import_filter($node) {
3f9de6cc AD	347	$attrs = $node->attributes;
3f9de6cc AD	348
c949a928	349	$filter_type = $attrs->getNamedItem('filter-type')->nodeValue;
3f9de6cc	350
3b003f63 AD	351	if ($filter_type == '2') {
3b003f63 AD	352	$filter = json_decode($node->nodeValue, true);
3f9de6cc AD	353
3f9de6cc AD	354	if ($filter) {
3b003f63 AD	355	$match_any_rule = bool_to_sql_bool($filter["match_any_rule"]);
3b003f63 AD	356	$enabled = bool_to_sql_bool($filter["enabled"]);
a1495542	357	$inverse = bool_to_sql_bool($filter["inverse"]);
c949a928 AD	358	$title = $filter["title"];
c949a928 AD	359
7ccb4e91 AD	360	print "F: $title, $inverse, $enabled, $match_any_rule";
7ccb4e91 AD	361
c949a928 AD	362	$sth = $this->pdo->prepare("INSERT INTO ttrss_filters2 (match_any_rule,enabled,inverse,title,owner_uid)
c949a928 AD	363	VALUES (?, ?, ?, ?, ?)");
3f9de6cc	364
c949a928	365	$sth->execute([$match_any_rule, $enabled, $inverse, $title, $_SESSION['uid']]);
3f9de6cc	366
c949a928 AD	367	$sth = $this->pdo->prepare("SELECT MAX(id) AS id FROM ttrss_filters2 WHERE
	368	owner_uid = ?");
	369	$sth->execute([$_SESSION['uid']]);
3b003f63	370
c949a928 AD	371	$row = $sth->fetch();
c949a928 AD	372	$filter_id = $row['id'];
3b003f63 AD	373
	374	if ($filter_id) {
	375	$this->opml_notice(T_sprintf("Adding filter..."));
	376
	377	foreach ($filter["rules"] as $rule) {
c949a928 AD	378	$feed_id = null;
c949a928 AD	379	$cat_id = null;
3f9de6cc	380
02f3992a AD	381	if ($rule["match"]) {
	382
	383	$match_on = [];
	384
	385	foreach ($rule["match"] as $match) {
	386	list ($name, $is_cat, $is_id) = $match;
	387
	388	if ($is_id) {
	389	array_push($match_on, ($is_cat ? "CAT:" : "") . $name);
	390	} else {
	391
	392	$match_id = false;
	393
	394	if (!$is_cat) {
c949a928 AD	395	$tsth = $this->pdo->prepare("SELECT id FROM ttrss_feeds
	396	WHERE title = ? AND owner_uid = ?");
	397
	398	$tsth->execute([$name, $_SESSION['uid']]);
	399
	400	if ($row = $tsth->fetch()) {
	401	$match_id = $row['id'];
02f3992a AD	402	}
02f3992a AD	403	} else {
c949a928 AD	404	$tsth = $this->pdo->prepare("SELECT id FROM ttrss_feed_categories
	405	WHERE title = ? AND owner_uid = ?");
	406	$tsth->execute([$name, $_SESSION['uid']]);
02f3992a	407
c949a928 AD	408	if ($row = $tsth->fetch()) {
	409	$match_id = $row['id'];
	410	}
02f3992a AD	411	}
	412
	413	if ($match_id) array_push($match_on, $match_id);
	414	}
	415	}
	416
c949a928	417	$reg_exp = $rule["reg_exp"];
02f3992a AD	418	$filter_type = (int)$rule["filter_type"];
02f3992a AD	419	$inverse = bool_to_sql_bool($rule["inverse"]);
c949a928	420	$match_on = json_encode($match_on);
02f3992a	421
c949a928 AD	422	$usth = $this->pdo->prepare("INSERT INTO ttrss_filters2_rules
	423	(feed_id,cat_id,match_on,filter_id,filter_type,reg_exp,cat_filter,inverse)
	424	VALUES
	425	(NULL, NULL, ?, ?, ?, ?, false, ?)");
	426	$usth->execute([$match_on, $filter_id, $filter_type, $reg_exp, $inverse]);
02f3992a AD	427
	428	} else {
	429
	430	if (!$rule["cat_filter"]) {
c949a928 AD	431	$tsth = $this->pdo->prepare("SELECT id FROM ttrss_feeds
	432	WHERE title = ? AND owner_uid = ?");
	433
	434	$tsth->execute([$rule['feed'], $_SESSION['uid']]);
	435
	436	if ($row = $tsth->fetch()) {
	437	$feed_id = $row['id'];
02f3992a AD	438	}
02f3992a AD	439	} else {
c949a928 AD	440	$tsth = $this->pdo->prepare("SELECT id FROM ttrss_feed_categories
c949a928 AD	441	WHERE title = ? AND owner_uid = ?");
02f3992a	442
c949a928 AD	443	$tsth->execute([$rule['feed'], $_SESSION['uid']]);
	444
	445	if ($row = $tsth->fetch()) {
	446	$feed_id = $row['id'];
	447	}
02f3992a AD	448	}
	449
	450	$cat_filter = bool_to_sql_bool($rule["cat_filter"]);
c949a928	451	$reg_exp = $rule["reg_exp"];
02f3992a AD	452	$filter_type = (int)$rule["filter_type"];
	453	$inverse = bool_to_sql_bool($rule["inverse"]);
	454
c949a928 AD	455	$usth = $this->pdo->prepare("INSERT INTO ttrss_filters2_rules
	456	(feed_id,cat_id,filter_id,filter_type,reg_exp,cat_filter,inverse)
	457	VALUES
	458	(?, ?, ?, ?, ?, ?, ?)");
	459	$usth->execute([$feed_id, $cat_id, $filter_id, $filter_type, $reg_exp, $cat_filter, $inverse]);
02f3992a	460	}
3b003f63	461	}
3f9de6cc	462
3b003f63	463	foreach ($filter["actions"] as $action) {
3f9de6cc	464
3b003f63	465	$action_id = (int)$action["action_id"];
c949a928	466	$action_param = $action["action_param"];
3f9de6cc	467
c949a928 AD	468	$usth = $this->pdo->prepare("INSERT INTO ttrss_filters2_actions
	469	(filter_id,action_id,action_param)
	470	VALUES
	471	(?, ?, ?)");
	472	$usth->execute([$filter_id, $action_id, $action_param]);
3b003f63	473	}
3f9de6cc AD	474	}
	475	}
	476	}
3b003f63	477	}
3f9de6cc AD	478
3f9de6cc AD	479	private function opml_import_category($doc, $root_node, $owner_uid, $parent_id) {
e60d5b0a	480	$default_cat_id = (int) $this->get_feed_category('Imported feeds', false);
3f9de6cc AD	481
3f9de6cc AD	482	if ($root_node) {
c949a928	483	$cat_title = mb_substr($root_node->attributes->getNamedItem('text')->nodeValue, 0, 250);
3f9de6cc	484
cc616ea1	485	if (!$cat_title)
c949a928	486	$cat_title = mb_substr($root_node->attributes->getNamedItem('title')->nodeValue, 0, 250);
cc616ea1	487
3f9de6cc	488	if (!in_array($cat_title, array("tt-rss-filters", "tt-rss-labels", "tt-rss-prefs"))) {
e60d5b0a	489	$cat_id = $this->get_feed_category($cat_title, $parent_id);
c949a928	490
3f9de6cc	491	if ($cat_id === false) {
a42c55f0	492	add_feed_category($cat_title, $parent_id);
e60d5b0a	493	$cat_id = $this->get_feed_category($cat_title, $parent_id);
3f9de6cc	494	}
c949a928	495
3f9de6cc AD	496	} else {
	497	$cat_id = 0;
	498	}
	499
	500	$outlines = $root_node->childNodes;
	501
	502	} else {
	503	$xpath = new DOMXpath($doc);
	504	$outlines = $xpath->query("//opml/body/outline");
	505
	506	$cat_id = 0;
	507	}
	508
	509	#$this->opml_notice("[CAT] $cat_title id: $cat_id P_id: $parent_id");
	510	$this->opml_notice(T_sprintf("Processing category: %s", $cat_title ? $cat_title : __("Uncategorized")));
	511
	512	foreach ($outlines as $node) {
	513	if ($node->hasAttributes() && strtolower($node->tagName) == "outline") {
	514	$attrs = $node->attributes;
c949a928	515	$node_cat_title = $attrs->getNamedItem('text')->nodeValue;
cc616ea1 AD	516
cc616ea1 AD	517	if (!$node_cat_title)
c949a928	518	$node_cat_title = $attrs->getNamedItem('title')->nodeValue;
cc616ea1	519
c949a928	520	$node_feed_url = $attrs->getNamedItem('xmlUrl')->nodeValue;
3f9de6cc AD	521
	522	if ($node_cat_title && !$node_feed_url) {
	523	$this->opml_import_category($doc, $node, $owner_uid, $cat_id);
	524	} else {
	525
	526	if (!$cat_id) {
	527	$dst_cat_id = $default_cat_id;
	528	} else {
	529	$dst_cat_id = $cat_id;
	530	}
	531
	532	switch ($cat_title) {
	533	case "tt-rss-prefs":
7b55001e	534	$this->opml_import_preference($node);
3f9de6cc AD	535	break;
3f9de6cc AD	536	case "tt-rss-labels":
7b55001e	537	$this->opml_import_label($node, $owner_uid);
3f9de6cc AD	538	break;
3f9de6cc AD	539	case "tt-rss-filters":
7b55001e	540	$this->opml_import_filter($node);
3f9de6cc AD	541	break;
3f9de6cc AD	542	default:
7b55001e	543	$this->opml_import_feed($node, $dst_cat_id, $owner_uid);
3f9de6cc AD	544	}
	545	}
	546	}
	547	}
	548	}
	549
	550	function opml_import($owner_uid) {
	551	if (!$owner_uid) return;
	552
3f9de6cc AD	553	$doc = false;
3f9de6cc AD	554
3306daec AD	555	if ($_FILES['opml_file']['error'] != 0) {
	556	print_error(T_sprintf("Upload failed with error code %d",
	557	$_FILES['opml_file']['error']));
	558	return;
	559	}
	560
3306daec AD	561	if (is_uploaded_file($_FILES['opml_file']['tmp_name'])) {
	562	$tmp_file = tempnam(CACHE_DIR . '/upload', 'opml');
	563
	564	$result = move_uploaded_file($_FILES['opml_file']['tmp_name'],
	565	$tmp_file);
	566
	567	if (!$result) {
	568	print_error(__("Unable to move uploaded file."));
	569	return;
	570	}
	571	} else {
	572	print_error(__('Error: please upload OPML file.'));
	573	return;
	574	}
	575
	576	if (is_file($tmp_file)) {
98c39afc	577	$doc = new DOMDocument();
3457ce7c	578	libxml_disable_entity_loader(false);
3306daec	579	$doc->load($tmp_file);
3457ce7c	580	libxml_disable_entity_loader(true);
3306daec	581	unlink($tmp_file);
3f9de6cc	582	} else if (!$doc) {
3306daec	583	print_error(__('Error: unable to find moved OPML file.'));
3f9de6cc AD	584	return;
	585	}
	586
	587	if ($doc) {
c949a928	588	$this->pdo->beginTransaction();
3f9de6cc	589	$this->opml_import_category($doc, false, $owner_uid, false);
c949a928	590	$this->pdo->commit();
3f9de6cc AD	591	} else {
	592	print_error(__('Error while parsing document.'));
	593	}
	594	}
	595
	596	private function opml_notice($msg) {
	597	print "$msg<br/>";
	598	}
	599
6322ac79	600	static function opml_publish_url(){
50832719 AD	601
	602	$url_path = get_self_url_prefix();
	603	$url_path .= "/opml.php?op=publish&key=" .
a42c55f0	604	get_feed_access_key('OPML:Publish', false, $_SESSION["uid"]);
50832719 AD	605
	606	return $url_path;
	607	}
	608
e60d5b0a	609	function get_feed_category($feed_cat, $parent_cat_id = false) {
e60d5b0a	610
c949a928	611	$parent_cat_id = (int) $parent_cat_id;
e60d5b0a	612
c949a928 AD	613	$sth = $this->pdo->prepare("SELECT id FROM ttrss_feed_categories
	614	WHERE title = :title
	615	AND (parent_cat = :parent OR (:parent = 0 AND parent_cat IS NULL))
	616	AND owner_uid = :uid");
	617
	618	$sth->execute([':title' => $feed_cat, ':parent' => $parent_cat_id, ':uid' => $_SESSION['uid']]);
	619
	620	if ($row = $sth->fetch()) {
	621	return $row['id'];
e60d5b0a	622	} else {
c949a928	623	return false;
e60d5b0a AD	624	}
	625	}
	626
50832719	627
3f9de6cc	628	}