Avoid double probing and unneeded contact updates
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					 1 changed files with 49 additions and 63 deletions
				
			
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			@ -220,7 +220,7 @@ class Contact
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		// Add internal fields
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		$removal = [];
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		if (!empty($fields)) {
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			foreach (['id', 'updated', 'network'] as $internal) {
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			foreach (['id', 'avatar', 'updated', 'last-update', 'success_update', 'failure_update', 'network'] as $internal) {
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				if (!in_array($internal, $fields)) {
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					$fields[] = $internal;
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					$removal[] = $internal;
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			@ -250,7 +250,8 @@ class Contact
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		}
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		// Update the contact in the background if needed
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		if ((($contact['updated'] < DateTimeFormat::utc('now -7 days')) || empty($contact['avatar'])) &&
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		$updated = max($contact['success_update'], $contact['updated'], $contact['last-update'], $contact['failure_update']);
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		if ((($updated < DateTimeFormat::utc('now -7 days')) || empty($contact['avatar'])) &&
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			in_array($contact['network'], Protocol::FEDERATED)) {
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			Worker::add(PRIORITY_LOW, "UpdateContact", $contact['id'], ($uid == 0 ? 'force' : ''));
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		}
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			@ -1152,6 +1153,9 @@ class Contact
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		if ((empty($data) && is_null($update)) || $update) {
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			$data = Probe::uri($url, "", $uid);
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			$probed = !empty($data['network']) && ($data['network'] != Protocol::PHANTOM);
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		} else {
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			$probed = false;
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		}
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		// Take the default values when probing failed
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			@ -1180,15 +1184,10 @@ class Contact
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			$contact = self::selectFirst(['id'], ['nurl' => $urls, 'uid' => $uid]);
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			if (!empty($contact['id'])) {
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				$contact_id = $contact['id'];
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				Logger::info('Fetched id by url', ['cid' => $contact_id, 'url' => $url, 'probed_url' => $data['url'], 'alias' => $data['alias']]);
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				Logger::info('Fetched id by url', ['cid' => $contact_id, 'uid' => $uid, 'url' => $url, 'probed_url' => $data['url'], 'alias' => $data['alias'], 'addr' => $data['addr']]);
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			}
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		}
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		if ($uid == 0) {
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			$data['last-item'] = Probe::getLastUpdate($data);
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			Logger::info('Fetched last item', ['url' => $url, 'probed_url' => $data['url'], 'last-item' => $data['last-item'], 'callstack' => System::callstack(20)]);
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		}
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		if (!$contact_id) {
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			$fields = [
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				'uid'       => $uid,
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			@ -1222,8 +1221,9 @@ class Contact
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				'readonly'  => 0,
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				'pending'   => 0];
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			if (!empty($data['last-item'])) {
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				$fields['last-item'] = $data['last-item'];
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			if (($uid == 0) && $probed) {
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				$fields['last-item'] = Probe::getLastUpdate($data);
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				Logger::info('Fetched last item', ['url' => $url, 'probed_url' => $data['url'], 'last-item' => $fields['last-item'], 'callstack' => System::callstack(20)]);
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			}
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			$condition = ['nurl' => Strings::normaliseLink($data["url"]), 'uid' => $uid, 'deleted' => false];
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			@ -1249,53 +1249,13 @@ class Contact
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			$contact_id = $contact["id"];
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		}
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		if (!empty($data['photo']) && ($data['network'] != Protocol::FEED)) {
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			self::updateAvatar($contact_id, $data['photo']);
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		}
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		if (in_array($data["network"], array_merge(Protocol::NATIVE_SUPPORT, [Protocol::PUMPIO]))) {
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			if ($background_update) {
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				// Update in the background when we fetched the data solely from the database
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				Worker::add(PRIORITY_MEDIUM, "UpdateContact", $contact_id, ($uid == 0 ? 'force' : ''));
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			} else {
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				// Else do a direct update
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				self::updateFromProbe($contact_id, '', false);
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			}
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		if ($background_update && !$probed && in_array($data["network"], array_merge(Protocol::NATIVE_SUPPORT, [Protocol::PUMPIO]))) {
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			// Update in the background when we fetched the data solely from the database
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			Worker::add(PRIORITY_MEDIUM, "UpdateContact", $contact_id, ($uid == 0 ? 'force' : ''));
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		} elseif (!empty($data['network'])) {
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			self::updateFromProbeArray($contact_id, $data, false);
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		} else {
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			$fields = ['url', 'nurl', 'addr', 'alias', 'name', 'nick', 'keywords', 'location', 'about', 'avatar-date', 'baseurl', 'gsid', 'last-item'];
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			$contact = DBA::selectFirst('contact', $fields, ['id' => $contact_id]);
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			// This condition should always be true
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			if (!DBA::isResult($contact)) {
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				return $contact_id;
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			}
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			$updated = [
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				'url' => $data['url'],
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				'nurl' => Strings::normaliseLink($data['url']),
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				'updated' => DateTimeFormat::utcNow(),
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				'failed' => false
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			];
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			$fields = ['addr', 'alias', 'name', 'nick', 'keywords', 'location', 'about', 'baseurl', 'gsid'];
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			foreach ($fields as $field) {
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				$updated[$field] = ($data[$field] ?? '') ?: $contact[$field];
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			}
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			if (!empty($data['last-item']) && ($contact['last-item'] < $data['last-item'])) {
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				$updated['last-item'] = $data['last-item'];
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			}
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			if (($updated['addr'] != $contact['addr']) || (!empty($data['alias']) && ($data['alias'] != $contact['alias']))) {
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				$updated['uri-date'] = DateTimeFormat::utcNow();
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			}
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			if (($data['name'] != $contact['name']) || ($data['nick'] != $contact['nick'])) {
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				$updated['name-date'] = DateTimeFormat::utcNow();
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			}
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			DBA::update('contact', $updated, ['id' => $contact_id], $contact);
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			Logger::info('Invalid data', ['url' => $url, 'data' => $data]);
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		}
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		return $contact_id;
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			@ -1862,6 +1822,25 @@ class Contact
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	 * @throws \ImagickException
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	 */
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	public static function updateFromProbe(int $id, string $network = '', bool $force = false)
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	{
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		$contact = DBA::selectFirst('contact', ['uid', 'url'], ['id' => $id]);
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		if (!DBA::isResult($contact)) {
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			return false;
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		}
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		$ret = Probe::uri($contact['url'], $network, $contact['uid'], !$force);
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		return self::updateFromProbeArray($id, $ret, $force);
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	}
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	/**
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	 * @param integer $id      contact id
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	 * @param array   $ret     Probed data
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	 * @param boolean $force   Optional forcing of network probing (otherwise we use the cached data)
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	 * @return boolean
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	 * @throws HTTPException\InternalServerErrorException
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	 * @throws \ImagickException
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	 */
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	private static function updateFromProbeArray(int $id, array $ret, bool $force = false)
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	{
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		/*
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		  Warning: Never ever fetch the public key via Probe::uri and write it into the contacts.
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			@ -1873,7 +1852,7 @@ class Contact
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		$fields = ['uid', 'avatar', 'name', 'nick', 'location', 'keywords', 'about', 'subscribe',
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			'unsearchable', 'url', 'addr', 'batch', 'notify', 'poll', 'request', 'confirm', 'poco',
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			'network', 'alias', 'baseurl', 'gsid', 'forum', 'prv', 'contact-type', 'pubkey'];
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			'network', 'alias', 'baseurl', 'gsid', 'forum', 'prv', 'contact-type', 'pubkey', 'last-item'];
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		$contact = DBA::selectFirst('contact', $fields, ['id' => $id]);
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		if (!DBA::isResult($contact)) {
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			return false;
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			@ -1888,8 +1867,6 @@ class Contact
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		$contact['photo'] = $contact['avatar'];
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		unset($contact['avatar']);
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		$ret = Probe::uri($contact['url'], $network, $uid, !$force);
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		$updated = DateTimeFormat::utcNow();
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		// We must not try to update relay contacts via probe. They are no real contacts.
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			@ -1930,7 +1907,12 @@ class Contact
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			}
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		}
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		$new_pubkey = $ret['pubkey'];
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		$new_pubkey = $ret['pubkey'] ?? '';
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		if ($uid == 0) {
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			$ret['last-item'] = Probe::getLastUpdate($ret);
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			Logger::info('Fetched last item', ['id' => $id, 'probed_url' => $ret['url'], 'last-item' => $ret['last-item'], 'callstack' => System::callstack(20)]);
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		}
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		$update = false;
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			@ -1946,14 +1928,18 @@ class Contact
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			}
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		}
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		if (!empty($ret['last-item']) && ($contact['last-item'] < $ret['last-item'])) {
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			$update = true;
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		} else {
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			unset($ret['last-item']);
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		}
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		if (!empty($ret['photo']) && ($ret['network'] != Protocol::FEED)) {
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			self::updateAvatar($id, $ret['photo'], $update || $force);
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		}
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		if (!$update) {
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			if ($force) {
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				self::updateContact($id, $uid, $ret['url'], ['failed' => false, 'last-update' => $updated, 'success_update' => $updated]);
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			}
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			self::updateContact($id, $uid, $ret['url'], ['failed' => false, 'last-update' => $updated, 'success_update' => $updated]);
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			// Update the public contact
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			if ($uid != 0) {
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