<?php
+/**
+ * StatusNet - the distributed open-source microblogging tool
+ * Copyright (C) 2010, StatusNet, Inc.
+ *
+ * Importer class for Delicious.com backups
+ *
+ * PHP version 5
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ *
+ * @category Bookmark
+ * @package StatusNet
+ * @author Evan Prodromou <evan@status.net>
+ * @copyright 2010 StatusNet, Inc.
+ * @license http://www.fsf.org/licensing/licenses/agpl-3.0.html AGPL 3.0
+ * @link http://status.net/
+ */
+
+if (!defined('STATUSNET')) {
+ // This check helps protect against security problems;
+ // your code file can't be executed directly from the web.
+ exit(1);
+}
+
+require_once INSTALLDIR . '/lib/apiauth.php';
+
+/**
+ * Importer class for Delicious bookmarks
+ *
+ * @category Bookmark
+ * @package StatusNet
+ * @author Evan Prodromou <evan@status.net>
+ * @copyright 2010 StatusNet, Inc.
+ * @license http://www.fsf.org/licensing/licenses/agpl-3.0.html AGPL 3.0
+ * @link http://status.net/
+ */
class DeliciousBackupImporter
{
- function importBookmarks($user, $body)
- {
- $doc = $this->importHTML($body);
-
- $dls = $doc->getElementsByTagName('dl');
-
- if ($dls->length != 1) {
- throw new ClientException(_("Bad import file."));
- }
-
- $dl = $dls->item(0);
-
- $children = $dl->childNodes;
-
- $dt = null;
-
- for ($i = 0; $i < $children->length; $i++) {
- try {
- $child = $children->item($i);
- if ($child->nodeType != XML_ELEMENT_NODE) {
- continue;
- }
- common_log(LOG_INFO, $child->tagName);
- switch (strtolower($child->tagName)) {
- case 'dt':
- if (!empty($dt)) {
- // No DD provided
- $this->importBookmark($user, $dt);
- $dt = null;
- }
- $dt = $child;
- break;
- case 'dd':
- $dd = $child;
- $saved = $this->importBookmark($user, $dt, $dd);
- $dt = null;
- $dd = null;
- case 'p':
- common_log(LOG_INFO, 'Skipping the <p> in the <dl>.');
- break;
- default:
- common_log(LOG_WARNING, "Unexpected element $child->tagName found in import.");
- }
- } catch (Exception $e) {
- common_log(LOG_ERR, $e->getMessage());
- $dt = $dd = null;
- }
- }
- }
-
- function importBookmark($user, $dt, $dd = null)
- {
- // We have to go squirrelling around in the child nodes
- // on the off chance that we've received another <dt>
- // as a child.
-
- for ($i = 0; $i < $dt->childNodes->length; $i++) {
- $child = $dt->childNodes->item($i);
- if ($child->nodeType == XML_ELEMENT_NODE) {
- if ($child->tagName == 'dt' && !is_null($dd)) {
- $this->importBookmark($user, $dt);
- $this->importBookmark($user, $child, $dd);
- return;
- }
- }
- }
-
- $as = $dt->getElementsByTagName('a');
-
- if ($as->length == 0) {
- throw new ClientException(_("No <A> tag in a <DT>."));
- }
-
- $a = $as->item(0);
-
- $private = $a->getAttribute('private');
-
- if ($private != 0) {
- throw new ClientException(_('Skipping private bookmark.'));
- }
-
- if (!empty($dd)) {
- $description = $dd->nodeValue;
- } else {
- $description = null;
- }
-
- $title = $a->nodeValue;
- $url = $a->getAttribute('href');
- $tags = $a->getAttribute('tags');
- $addDate = $a->getAttribute('add_date');
- $created = common_sql_date(intval($addDate));
-
- $saved = Notice_bookmark::saveNew($user,
- $title,
- $url,
- $tags,
- $description,
- array('created' => $created));
-
- return $saved;
- }
-
- function importHTML($body)
- {
+ /**
+ * Import an in-memory bookmark list to a user's account
+ *
+ * Take a delicious.com backup file (same as Netscape bookmarks.html)
+ * and import to StatusNet as Bookmark activities.
+ *
+ * The document format is terrible. It consists of a <dl> with
+ * a bunch of <dt>'s, occasionally with <dd>'s.
+ * There are sometimes <p>'s lost inside.
+ *
+ * @param User $user User whose feed we're going to fill
+ * @param string $body Body of the file
+ *
+ * @return void
+ */
+
+ function importBookmarks($user, $body)
+ {
+ $doc = $this->importHTML($body);
+
+ $dls = $doc->getElementsByTagName('dl');
+
+ if ($dls->length != 1) {
+ throw new ClientException(_("Bad import file."));
+ }
+
+ $dl = $dls->item(0);
+
+ $children = $dl->childNodes;
+
+ $dt = null;
+
+ for ($i = 0; $i < $children->length; $i++) {
+ try {
+ $child = $children->item($i);
+ if ($child->nodeType != XML_ELEMENT_NODE) {
+ continue;
+ }
+ common_log(LOG_INFO, $child->tagName);
+ switch (strtolower($child->tagName)) {
+ case 'dt':
+ if (!empty($dt)) {
+ // No DD provided
+ $this->importBookmark($user, $dt);
+ $dt = null;
+ }
+ $dt = $child;
+ break;
+ case 'dd':
+ $dd = $child;
+
+ $saved = $this->importBookmark($user, $dt, $dd);
+
+ $dt = null;
+ $dd = null;
+ case 'p':
+ common_log(LOG_INFO, 'Skipping the <p> in the <dl>.');
+ break;
+ default:
+ common_log(LOG_WARNING,
+ "Unexpected element $child->tagName ".
+ " found in import.");
+ }
+ } catch (Exception $e) {
+ common_log(LOG_ERR, $e->getMessage());
+ $dt = $dd = null;
+ }
+ }
+ }
+
+ /**
+ * Import a single bookmark
+ *
+ * Takes a <dt>/<dd> pair. The <dt> has a single
+ * <a> in it with some non-standard attributes.
+ *
+ * A <dt><dt><dd> sequence will appear as a <dt> with
+ * anothe <dt> as a child. We handle this case recursively.
+ *
+ * @param User $user User to import data as
+ * @param DOMElement $dt <dt> element
+ * @param DOMElement $dd <dd> element
+ *
+ * @return Notice imported notice
+ */
+
+ function importBookmark($user, $dt, $dd = null)
+ {
+ // We have to go squirrelling around in the child nodes
+ // on the off chance that we've received another <dt>
+ // as a child.
+
+ for ($i = 0; $i < $dt->childNodes->length; $i++) {
+ $child = $dt->childNodes->item($i);
+ if ($child->nodeType == XML_ELEMENT_NODE) {
+ if ($child->tagName == 'dt' && !is_null($dd)) {
+ $this->importBookmark($user, $dt);
+ $this->importBookmark($user, $child, $dd);
+ return;
+ }
+ }
+ }
+
+ $as = $dt->getElementsByTagName('a');
+
+ if ($as->length == 0) {
+ throw new ClientException(_("No <A> tag in a <DT>."));
+ }
+
+ $a = $as->item(0);
+
+ $private = $a->getAttribute('private');
+
+ if ($private != 0) {
+ throw new ClientException(_('Skipping private bookmark.'));
+ }
+
+ if (!empty($dd)) {
+ $description = $dd->nodeValue;
+ } else {
+ $description = null;
+ }
+
+ $title = $a->nodeValue;
+ $url = $a->getAttribute('href');
+ $tags = $a->getAttribute('tags');
+ $addDate = $a->getAttribute('add_date');
+ $created = common_sql_date(intval($addDate));
+
+ $saved = Notice_bookmark::saveNew($user,
+ $title,
+ $url,
+ $tags,
+ $description,
+ array('created' => $created));
+
+ return $saved;
+ }
+
+ /**
+ * Parse some HTML
+ *
+ * Hides the errors that the dom parser returns
+ *
+ * @param string $body Data to import
+ *
+ * @return DOMDocument parsed document
+ */
+
+ function importHTML($body)
+ {
// DOMDocument::loadHTML may throw warnings on unrecognized elements,
// and notices on unrecognized namespaces.
$old = error_reporting(error_reporting() & ~(E_WARNING | E_NOTICE));
$dom = new DOMDocument();
- $ok = $dom->loadHTML($body);
+ $ok = $dom->loadHTML($body);
error_reporting($old);
- if ($ok) {
- return $dom;
- } else {
- return null;
- }
- }
+ if ($ok) {
+ return $dom;
+ } else {
+ return null;
+ }
+ }
}
projects / quix0rs-gnu-social.git / commitdiff