forked from GNUsocial/gnu-social
2a4dc77a63
I used this hacky sed-command (run it from your GNU Social root, or change the first grep's path to where it actually lies) to do a rough fix on all ::staticGet calls and rename them to ::getKV sed -i -s -e '/DataObject::staticGet/I!s/::staticGet/::getKV/Ig' $(grep -R ::staticGet `pwd`/* | grep -v -e '^extlib' | grep -v DataObject:: |grep -v "function staticGet"|cut -d: -f1 |sort |uniq) If you're applying this, remember to change the Managed_DataObject and Memcached_DataObject function definitions of staticGet to getKV! This might of course take some getting used to, or modification fo StatusNet plugins, but the result is that all the static calls (to staticGet) are now properly made without breaking PHP Strict Standards. Standards are there to be followed (and they caused some very bad confusion when used with get_called_class) Reasonably any plugin or code that tests for the definition of 'GNUSOCIAL' or similar will take this change into consideration.
359 lines
12 KiB
PHP
359 lines
12 KiB
PHP
<?php
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/*
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* StatusNet - the distributed open-source microblogging tool
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* Copyright (C) 2010, StatusNet, Inc.
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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if (!defined('STATUSNET')) {
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exit(1);
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}
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/**
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* PuSH feed subscription record
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* @package Hub
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* @author Brion Vibber <brion@status.net>
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*/
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class HubSub extends Managed_DataObject
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{
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public $__table = 'hubsub';
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public $hashkey; // sha1(topic . '|' . $callback); (topic, callback) key is too long for myisam in utf8
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public $topic;
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public $callback;
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public $secret;
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public $lease;
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public $sub_start;
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public $sub_end;
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public $created;
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public $modified;
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protected static function hashkey($topic, $callback)
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{
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return sha1($topic . '|' . $callback);
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}
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/**
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* return table definition for DB_DataObject
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*
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* DB_DataObject needs to know something about the table to manipulate
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* instances. This method provides all the DB_DataObject needs to know.
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*
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* @return array array of column definitions
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*/
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function table()
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{
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return array('hashkey' => DB_DATAOBJECT_STR + DB_DATAOBJECT_NOTNULL,
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'topic' => DB_DATAOBJECT_STR + DB_DATAOBJECT_NOTNULL,
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'callback' => DB_DATAOBJECT_STR + DB_DATAOBJECT_NOTNULL,
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'secret' => DB_DATAOBJECT_STR,
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'lease' => DB_DATAOBJECT_INT,
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'sub_start' => DB_DATAOBJECT_STR + DB_DATAOBJECT_DATE + DB_DATAOBJECT_TIME,
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'sub_end' => DB_DATAOBJECT_STR + DB_DATAOBJECT_DATE + DB_DATAOBJECT_TIME,
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'created' => DB_DATAOBJECT_STR + DB_DATAOBJECT_DATE + DB_DATAOBJECT_TIME + DB_DATAOBJECT_NOTNULL,
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'modified' => DB_DATAOBJECT_STR + DB_DATAOBJECT_DATE + DB_DATAOBJECT_TIME + DB_DATAOBJECT_NOTNULL);
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}
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static function schemaDef()
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{
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return array(new ColumnDef('hashkey', 'char',
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/*size*/40,
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/*nullable*/false,
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/*key*/'PRI'),
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new ColumnDef('topic', 'varchar',
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/*size*/255,
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/*nullable*/false,
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/*key*/'MUL'),
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new ColumnDef('callback', 'varchar',
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255, false),
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new ColumnDef('secret', 'text',
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null, true),
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new ColumnDef('lease', 'int',
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null, true),
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new ColumnDef('sub_start', 'datetime',
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null, true),
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new ColumnDef('sub_end', 'datetime',
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null, true),
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new ColumnDef('created', 'datetime',
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null, false),
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new ColumnDef('modified', 'datetime',
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null, false));
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}
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function keys()
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{
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return array_keys($this->keyTypes());
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}
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function sequenceKey()
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{
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return array(false, false, false);
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}
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/**
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* return key definitions for DB_DataObject
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*
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* DB_DataObject needs to know about keys that the table has; this function
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* defines them.
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*
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* @return array key definitions
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*/
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function keyTypes()
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{
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return array('hashkey' => 'K');
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}
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/**
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* Validates a requested lease length, sets length plus
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* subscription start & end dates.
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*
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* Does not save to database -- use before insert() or update().
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*
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* @param int $length in seconds
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*/
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function setLease($length)
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{
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assert(is_int($length));
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$min = 86400;
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$max = 86400 * 30;
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if ($length == 0) {
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// We want to garbage collect dead subscriptions!
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$length = $max;
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} elseif( $length < $min) {
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$length = $min;
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} else if ($length > $max) {
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$length = $max;
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}
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$this->lease = $length;
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$this->start_sub = common_sql_now();
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$this->end_sub = common_sql_date(time() + $length);
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}
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/**
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* Schedule a future verification ping to the subscriber.
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* If queues are disabled, will be immediate.
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*
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* @param string $mode 'subscribe' or 'unsubscribe'
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* @param string $token hub.verify_token value, if provided by client
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*/
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function scheduleVerify($mode, $token=null, $retries=null)
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{
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if ($retries === null) {
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$retries = intval(common_config('ostatus', 'hub_retries'));
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}
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$data = array('sub' => clone($this),
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'mode' => $mode,
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'token' => $token,
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'retries' => $retries);
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$qm = QueueManager::get();
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$qm->enqueue($data, 'hubconf');
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}
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/**
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* Send a verification ping to subscriber, and if confirmed apply the changes.
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* This may create, update, or delete the database record.
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*
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* @param string $mode 'subscribe' or 'unsubscribe'
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* @param string $token hub.verify_token value, if provided by client
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* @throws ClientException on failure
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*/
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function verify($mode, $token=null)
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{
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assert($mode == 'subscribe' || $mode == 'unsubscribe');
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$challenge = common_good_rand(32);
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$params = array('hub.mode' => $mode,
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'hub.topic' => $this->topic,
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'hub.challenge' => $challenge);
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if ($mode == 'subscribe') {
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$params['hub.lease_seconds'] = $this->lease;
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}
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if ($token !== null) {
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$params['hub.verify_token'] = $token;
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}
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// Any existing query string parameters must be preserved
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$url = $this->callback;
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if (strpos($url, '?') !== false) {
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$url .= '&';
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} else {
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$url .= '?';
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}
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$url .= http_build_query($params, '', '&');
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$request = new HTTPClient();
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$response = $request->get($url);
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$status = $response->getStatus();
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if ($status >= 200 && $status < 300) {
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common_log(LOG_INFO, "Verified $mode of $this->callback:$this->topic");
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} else {
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// TRANS: Client exception. %s is a HTTP status code.
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throw new ClientException(sprintf(_m('Hub subscriber verification returned HTTP %s.'),$status));
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}
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$old = HubSub::getKV($this->topic, $this->callback);
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if ($mode == 'subscribe') {
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if ($old) {
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$this->update($old);
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} else {
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$ok = $this->insert();
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}
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} else if ($mode == 'unsubscribe') {
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if ($old) {
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$old->delete();
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} else {
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// That's ok, we're already unsubscribed.
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}
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}
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}
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/**
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* Insert wrapper; transparently set the hash key from topic and callback columns.
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* @return mixed success
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*/
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function insert()
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{
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$this->hashkey = self::hashkey($this->topic, $this->callback);
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$this->created = common_sql_now();
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$this->modified = common_sql_now();
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return parent::insert();
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}
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/**
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* Update wrapper; transparently update modified column.
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* @return boolean success
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*/
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function update($old=null)
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{
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$this->modified = common_sql_now();
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return parent::update($old);
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}
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/**
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* Schedule delivery of a 'fat ping' to the subscriber's callback
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* endpoint. If queues are disabled, this will run immediately.
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*
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* @param string $atom well-formed Atom feed
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* @param int $retries optional count of retries if POST fails; defaults to hub_retries from config or 0 if unset
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*/
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function distribute($atom, $retries=null)
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{
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if ($retries === null) {
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$retries = intval(common_config('ostatus', 'hub_retries'));
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}
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if (common_config('ostatus', 'local_push_bypass')) {
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// If target is a local site, bypass the web server and drop the
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// item directly into the target's input queue.
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$url = parse_url($this->callback);
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$wildcard = common_config('ostatus', 'local_wildcard');
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$site = Status_network::getFromHostname($url['host'], $wildcard);
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if ($site) {
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if ($this->secret) {
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$hmac = 'sha1=' . hash_hmac('sha1', $atom, $this->secret);
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} else {
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$hmac = '';
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}
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// Hack: at the moment we stick the subscription ID in the callback
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// URL so we don't have to look inside the Atom to route the subscription.
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// For now this means we need to extract that from the target URL
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// so we can include it in the data.
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$parts = explode('/', $url['path']);
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$subId = intval(array_pop($parts));
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$data = array('feedsub_id' => $subId,
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'post' => $atom,
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'hmac' => $hmac);
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common_log(LOG_DEBUG, "Cross-site PuSH bypass enqueueing straight to $site->nickname feed $subId");
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$qm = QueueManager::get();
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$qm->enqueue($data, 'pushin', $site->nickname);
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return;
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}
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}
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// We dare not clone() as when the clone is discarded it'll
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// destroy the result data for the parent query.
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// @fixme use clone() again when it's safe to copy an
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// individual item from a multi-item query again.
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$sub = HubSub::getKV($this->topic, $this->callback);
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$data = array('sub' => $sub,
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'atom' => $atom,
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'retries' => $retries);
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common_log(LOG_INFO, "Queuing PuSH: $this->topic to $this->callback");
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$qm = QueueManager::get();
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$qm->enqueue($data, 'hubout');
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}
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/**
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* Queue up a large batch of pushes to multiple subscribers
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* for this same topic update.
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*
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* If queues are disabled, this will run immediately.
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*
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* @param string $atom well-formed Atom feed
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* @param array $pushCallbacks list of callback URLs
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*/
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function bulkDistribute($atom, $pushCallbacks)
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{
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$data = array('atom' => $atom,
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'topic' => $this->topic,
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'pushCallbacks' => $pushCallbacks);
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common_log(LOG_INFO, "Queuing PuSH batch: $this->topic to " .
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count($pushCallbacks) . " sites");
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$qm = QueueManager::get();
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$qm->enqueue($data, 'hubprep');
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}
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/**
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* Send a 'fat ping' to the subscriber's callback endpoint
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* containing the given Atom feed chunk.
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*
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* Determination of which items to send should be done at
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* a higher level; don't just shove in a complete feed!
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*
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* @param string $atom well-formed Atom feed
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* @throws Exception (HTTP or general)
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*/
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function push($atom)
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{
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$headers = array('Content-Type: application/atom+xml');
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if ($this->secret) {
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$hmac = hash_hmac('sha1', $atom, $this->secret);
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$headers[] = "X-Hub-Signature: sha1=$hmac";
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} else {
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$hmac = '(none)';
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}
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common_log(LOG_INFO, "About to push feed to $this->callback for $this->topic, HMAC $hmac");
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$request = new HTTPClient();
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$request->setBody($atom);
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$response = $request->post($this->callback, $headers);
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if ($response->isOk()) {
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return true;
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} else {
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// TRANS: Exception. %1$s is a response status code, %2$s is the body of the response.
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throw new Exception(sprintf(_m('Callback returned status: %1$s. Body: %2$s'),
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$response->getStatus(),trim($response->getBody())));
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}
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}
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}
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