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edit throttling

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darcs-hash:20081210174722-84dde-4c79d7f73230d008195bd19738bc9a6017b940e9.gz
This commit is contained in:
Evan Prodromou 2008-12-10 12:47:22 -05:00
parent 1c0a19b457
commit a143b64666
5 changed files with 98 additions and 56 deletions
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39
classes/Notice.php
View File

@ -38,14 +38,14 @@ class Notice extends Memcached_DataObject
public $id; // int(4) primary_key not_null
public $profile_id; // int(4) not_null
public $uri; // varchar(255) unique_key
public $content; // varchar(140)
public $rendered; // text()
public $url; // varchar(255)
public $content; // varchar(140)
public $rendered; // text()
public $url; // varchar(255)
public $created; // datetime() not_null
public $modified; // timestamp() not_null default_CURRENT_TIMESTAMP
public $reply_to; // int(4)
public $is_local; // tinyint(1)
public $source; // varchar(32)
public $reply_to; // int(4)
public $is_local; // tinyint(1)
public $source; // varchar(32)
/* Static get */
function staticGet($k,$v=NULL) { return Memcached_DataObject::staticGet('Notice',$k,$v); }
@ -93,6 +93,11 @@ class Notice extends Memcached_DataObject
static function saveNew($profile_id, $content, $source=NULL, $is_local=1, $reply_to=NULL, $uri=NULL) {
if (!Notice::checkEditThrottle($profile_id)) {
common_log(LOG_WARNING, 'Excessive posting by profile #' . $profile_id . '; throttled.');
return _('Too many notices too fast; take a breather and post again in a few minutes.');
}
$notice = new Notice();
$notice->profile_id = $profile_id;
@ -147,6 +152,24 @@ class Notice extends Memcached_DataObject
return $notice;
}
static function checkEditThrottle($profile_id) {
$profile = Profile::staticGet($profile_id);
if (!$profile) {
return false;
}
# Get the Nth notice
$notice = $profile->getNotices(common_config('throttle', 'count') - 1, 1);
if ($notice && $notice->fetch()) {
# If the Nth notice was posted less than timespan seconds ago
if (time() - strtotime($notice->created) <= common_config('throttle', 'timespan')) {
# Then we throttle
return false;
}
}
# Either not N notices in the stream, OR the Nth was not posted within timespan seconds
return true;
}
function blowCaches($blowLast=false) {
$this->blowSubsCache($blowLast);
$this->blowNoticeCache($blowLast);
@ -197,9 +220,9 @@ class Notice extends Memcached_DataObject
if ($this->is_local) {
$cache = common_memcache();
if ($cache) {
$cache->delete(common_cache_key('user:notices:'.$this->profile_id));
$cache->delete(common_cache_key('profile:notices:'.$this->profile_id));
if ($blowLast) {
$cache->delete(common_cache_key('user:notices:'.$this->profile_id.';last'));
$cache->delete(common_cache_key('profile:notices:'.$this->profile_id.';last'));
}
}
}

15
classes/Profile.php
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@ -24,7 +24,7 @@ if (!defined('LACONICA')) { exit(1); }
*/
require_once INSTALLDIR.'/classes/Memcached_DataObject.php';
class Profile extends Memcached_DataObject
class Profile extends Memcached_DataObject
{
###START_AUTOCODE
/* the code below is auto generated do not remove the above tag */
@ -33,7 +33,7 @@ class Profile extends Memcached_DataObject
public $id; // int(4) primary_key not_null
public $nickname; // varchar(64) multiple_key not_null
public $fullname; // varchar(255) multiple_key
public $profileurl; // varchar(255)
public $profileurl; // varchar(255)
public $homepage; // varchar(255) multiple_key
public $bio; // varchar(140) multiple_key
public $location; // varchar(255) multiple_key
@ -145,4 +145,15 @@ class Profile extends Memcached_DataObject
}
return NULL;
}
function getNotices($offset=0, $limit=NOTICES_PER_PAGE, $since_id=0, $before_id=0) {
$qry =
'SELECT * ' .
'FROM notice ' .
'WHERE profile_id = %d ';
return Notice::getStream(sprintf($qry, $this->id),
'profile:notices:'.$this->id,
$offset, $limit, $since_id, $before_id);
}
}

82
classes/User.php
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@ -25,7 +25,7 @@ if (!defined('LACONICA')) { exit(1); }
require_once INSTALLDIR.'/classes/Memcached_DataObject.php';
require_once 'Validate.php';
class User extends Memcached_DataObject
class User extends Memcached_DataObject
{
###START_AUTOCODE
/* the code below is auto generated do not remove the above tag */
@ -33,7 +33,7 @@ class User extends Memcached_DataObject
public $__table = 'user'; // table name
public $id; // int(4) primary_key not_null
public $nickname; // varchar(64) unique_key
public $password; // varchar(255)
public $password; // varchar(255)
public $email; // varchar(255) unique_key
public $incomingemail; // varchar(255) unique_key
public $emailnotifysub; // tinyint(1) default_1
@ -41,23 +41,23 @@ class User extends Memcached_DataObject
public $emailnotifynudge; // tinyint(1) default_1
public $emailnotifymsg; // tinyint(1) default_1
public $emailmicroid; // tinyint(1) default_1
public $language; // varchar(50)
public $timezone; // varchar(50)
public $language; // varchar(50)
public $timezone; // varchar(50)
public $emailpost; // tinyint(1) default_1
public $jabber; // varchar(255) unique_key
public $jabbernotify; // tinyint(1)
public $jabberreplies; // tinyint(1)
public $jabbernotify; // tinyint(1)
public $jabberreplies; // tinyint(1)
public $jabbermicroid; // tinyint(1) default_1
public $updatefrompresence; // tinyint(1)
public $updatefrompresence; // tinyint(1)
public $sms; // varchar(64) unique_key
public $carrier; // int(4)
public $smsnotify; // tinyint(1)
public $smsreplies; // tinyint(1)
public $smsemail; // varchar(255)
public $carrier; // int(4)
public $smsnotify; // tinyint(1)
public $smsreplies; // tinyint(1)
public $smsemail; // varchar(255)
public $uri; // varchar(255) unique_key
public $autosubscribe; // tinyint(1)
public $autosubscribe; // tinyint(1)
public $urlshorteningservice; // varchar(50) default_ur1.ca
public $inboxed; // tinyint(1)
public $inboxed; // tinyint(1)
public $created; // datetime() not_null
public $modified; // timestamp() not_null default_CURRENT_TIMESTAMP
@ -198,11 +198,11 @@ class User extends Memcached_DataObject
}
$inboxes = common_config('inboxes', 'enabled');
if ($inboxes === true || $inboxes == 'transitional') {
$user->inboxed = 1;
}
$user->created = common_sql_now();
$user->uri = common_user_uri($user);
@ -277,13 +277,13 @@ class User extends Memcached_DataObject
$cache = common_memcache();
# XXX: Kind of a hack.
if ($cache) {
# This is the stream of favorite notices, in rev chron
# order. This forces it into cache.
$faves = $this->favoriteNotices(0, NOTICE_CACHE_WINDOW);
$cnt = 0;
while ($faves->fetch()) {
if ($faves->id < $notice->id) {
# If we passed it, it's not a fave
@ -303,27 +303,27 @@ class User extends Memcached_DataObject
# Otherwise, cache doesn't have all faves;
# fall through to the default
}
$fave = Fave::pkeyGet(array('user_id' => $this->id,
'notice_id' => $notice->id));
return ((is_null($fave)) ? false : true);
}
function mutuallySubscribed($other) {
return $this->isSubscribed($other) &&
$other->isSubscribed($this);
}
function mutuallySubscribedUsers() {
# 3-way join; probably should get cached
$qry = 'SELECT user.* ' .
'FROM subscription sub1 JOIN user ON sub1.subscribed = user.id ' .
'JOIN subscription sub2 ON user.id = sub2.subscriber ' .
'WHERE sub1.subscriber = %d and sub2.subscribed = %d ' .
'ORDER BY user.nickname';
$user = new User();
$user->query(sprintf($qry, $this->id, $this->id));
@ -335,41 +335,39 @@ class User extends Memcached_DataObject
'SELECT notice.* ' .
'FROM notice JOIN reply ON notice.id = reply.notice_id ' .
'WHERE reply.profile_id = %d ';
return Notice::getStream(sprintf($qry, $this->id),
'user:replies:'.$this->id,
$offset, $limit, $since_id, $before_id);
}
function getNotices($offset=0, $limit=NOTICES_PER_PAGE, $since_id=0, $before_id=0) {
$qry =
'SELECT * ' .
'FROM notice ' .
'WHERE profile_id = %d ';
return Notice::getStream(sprintf($qry, $this->id),
'user:notices:'.$this->id,
$offset, $limit, $since_id, $before_id);
$profile = $this->getProfile();
if (!$profile) {
return NULL;
} else {
return $profile->getNotices($offset, $limit, $since_id, $before_id);
}
}
function favoriteNotices($offset=0, $limit=NOTICES_PER_PAGE) {
$qry =
'SELECT notice.* ' .
'FROM notice JOIN fave ON notice.id = fave.notice_id ' .
'WHERE fave.user_id = %d ';
return Notice::getStream(sprintf($qry, $this->id),
'user:faves:'.$this->id,
$offset, $limit);
}
function noticesWithFriends($offset=0, $limit=NOTICES_PER_PAGE, $since_id=0, $before_id=0) {
$enabled = common_config('inboxes', 'enabled');
# Complicated code, depending on whether we support inboxes yet
# XXX: make this go away when inboxes become mandatory
if ($enabled === false ||
if ($enabled === false ||
($enabled == 'transitional' && $this->inboxed == 0)) {
$qry =
'SELECT notice.* ' .
@ -377,7 +375,7 @@ class User extends Memcached_DataObject
'WHERE subscription.subscriber = %d ';
$order = NULL;
} else if ($enabled === true ||
($enabled == 'transitional' && $this->inboxed == 1)) {
($enabled == 'transitional' && $this->inboxed == 1)) {
$qry =
'SELECT notice.* ' .
'FROM notice JOIN notice_inbox ON notice.id = notice_inbox.notice_id ' .
@ -385,13 +383,13 @@ class User extends Memcached_DataObject
# NOTE: we override ORDER
$order = 'ORDER BY notice_inbox.created DESC, notice_inbox.notice_id DESC ';
}
return Notice::getStream(sprintf($qry, $this->id),
'user:notices_with_friends:' . $this->id,
$offset, $limit, $since_id, $before_id,
$order);
}
function blowFavesCache() {
$cache = common_memcache();
if ($cache) {
@ -401,11 +399,11 @@ class User extends Memcached_DataObject
$cache->delete(common_cache_key('user:faves:'.$this->id).';last');
}
}
function getSelfTags() {
return Profile_tag::getTags($this->id, $this->id);
}
function setSelfTags($newtags) {
return Profile_tag::setTags($this->id, $this->id, $newtags);
}

10
config.php.sample
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@ -61,7 +61,6 @@ $config['sphinx']['enabled'] = false;
$config['sphinx']['server'] = 'localhost';
$config['sphinx']['port'] = 3312;
# Users to populate the 'Featured' tab
#$config['nickname']['featured'][] = 'scobleizer';
@ -93,7 +92,6 @@ $config['sphinx']['port'] = 3312;
#For incoming email, if enabled. Defaults to site server name.
#$config['mail']['domain'] = 'incoming.example.net';
#exponential decay factor for tags, default 10 days
#raise this if traffic is slow, lower it if it's fast
#$config['tag']['dropoff'] = 86400.0 * 10;
@ -124,3 +122,11 @@ $config['sphinx']['port'] = 3312;
#Twitter integration source attribute. Note: default is Laconica
#$config['integration']['source'] = 'Laconica';
# Edit throttling. Off by default. If turned on, you can only post 20 notices
# every 10 minutes. Admins may want to play with the settings to minimize inconvenience for
# real users without getting uncontrollable floods from spammers or runaway bots.
#$config['throttle']['enabled'] = true;
#$config['throttle']['count'] = 100;
#$config['throttle']['timespan'] = 3600;

8
lib/common.php
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@ -41,7 +41,7 @@ define_syslog_variables();
# append our extlib dir as the last-resort place to find libs
set_include_path(get_include_path() . PATH_SEPARATOR . INSTALLDIR . '/extlib/');
# global configuration object
require_once('PEAR.php');
@ -92,6 +92,10 @@ $config =
'blacklist' => array()),
'theme' =>
array('server' => NULL),
'throttle' =>
array('enabled' => false, // whether to throttle edits; false by default
'count' => 20, // number of allowed messages in timespan
'timespan' => 600), // timespan for throttling
'xmpp' =>
array('enabled' => false,
'server' => 'INVALID SERVER',
@ -115,7 +119,7 @@ $config =
'group' => false),
'integration' =>
array('source' => 'Laconica'), # source attribute for Twitter
'memcached' =>
'memcached' =>
array('enabled' => false,
'server' => 'localhost',
'port' => 11211),