YAO/YAO-portal
1
0
Fork 0
mirror of https://github.com/newnius/YAO-portal.git synced 2025-12-13 09:06:43 +00:00
Code Issues Releases Wiki Activity

init & add agent & add job

Browse Source
This commit is contained in:
Newnius
2019-01-15 10:02:28 +08:00
parent 71f1f10e2c
commit d0a4b891b5
321 changed files with 24657 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

34
util4p/AccessController.class.php Executable file
View File

@@ -0,0 +1,34 @@
<?php
class AccessController
{
private static $rules_array = array();
/*
* set privilege bitmap
* sample $map = array(
* 'post.add' => array('Admin', 'Moderator', 'User'),
* 'post.comment' => array'Admin', 'Moderator', 'User'),
* 'post.pin' => array('Admin', 'Moderator'),
* 'user.block' => array('Admin')
* );
*/
public static function setMap(array $map)
{
if (is_array($map)) {
self::$rules_array = $map;
}
}
/*
* AccessController::hasAccess('Moderator', 'user.block');
*/
public static function hasAccess($role, $operation)
{
if (array_key_exists($operation, self::$rules_array)) {
return in_array($role, self::$rules_array[$operation]);
}
return false;
}
}

165
util4p/CRLogger.class.php Executable file
View File

@@ -0,0 +1,165 @@
<?php
require_once('util.php');
require_once('CRObject.class.php');
require_once('SQLBuilder.class.php');
require_once('MysqlPDO.class.php');
class CRLogger
{
const LEVEL_DEBUG = 1;
const LEVEL_INFO = 2;
const LEVEL_WARN = 3;
const LEVEL_ERROR = 4;
private static $db_table = 'cr_log';
public static function configure(CRObject $config)
{
self::$db_table = $config->get('db_table', self::$db_table);
}
public static function log(CRObject $log)
{
$scope = $log->get('scope', '');
$tag = $log->get('tag');
$level = $log->getInt('level', self::LEVEL_INFO);
$ip = $log->get('ip', cr_get_client_ip(false));
$time = $log->getInt('time', time());
$content = $log->get('content');
$key_values = array(
'scope' => '?', 'tag' => '?', 'level' => '?', 'ip' => '?', 'time' => '?', 'content' => '?'
);
$builder = new SQLBuilder();
$builder->insert(self::$db_table, $key_values);
$sql = $builder->build();
$params = array($scope, $tag, $level, ip2long($ip), $time, $content);
return (new MysqlPDO())->execute($sql, $params);
}
public static function search(CRObject $filter)
{
$scope = $filter->get('scope');
$tag = $filter->get('tag');
$level_min = $filter->getInt('level_min');
$ip = $filter->get('ip');
$time_begin = $filter->getInt('time_begin');
$time_end = $filter->getInt('time_end');
$offset = $filter->getInt('offset', 0);
$limit = $filter->getInt('limit', -1);
$order = $filter->get('order');
$selected_rows = array('id', 'scope', 'tag', 'level', 'ip', 'time', 'content');
$where_arr = array();
$opt_arr = array();
$order_arr = array();
$params = array();
if (!empty($scope)) {
$where_arr['scope'] = '?';
$params[] = $scope;
}
if (!empty($tag)) {
$where_arr['tag'] = '?';
$params[] = $tag;
}
if (!is_null($level_min)) {
$where_arr['level'] = '?';
$opt_arr['level'] = '>=';
$params[] = $level_min;
}
if (!empty($ip)) {
$where_arr['ip'] = '?';
$params[] = ip2long($ip);
}
if (!is_null($time_begin) && !is_null($time_end)) {
$where_arr['time'] = '? AND ?';
$opt_arr['time'] = 'BETWEEN';
$params[] = $time_begin;
$params[] = $time_end;
} else if (!is_null($time_begin)) {
$where_arr['time'] = '?';
$opt_arr['time'] = '>=';
$params[] = $time_begin;
} else if (!is_null($time_end)) {
$where_arr['time'] = '?';
$opt_arr['time'] = '<=';
$params[] = $time_end;
}
switch ($order) {
case 'latest':
$order_arr['time'] = 'desc';
break;
default:
$order_arr['id'] = 'desc';
break;
}
$builder = new SQLBuilder();
$builder->select(self::$db_table, $selected_rows);
$builder->where($where_arr, $opt_arr);
$builder->order($order_arr);
$builder->limit($offset, $limit);
$sql = $builder->build();
$logs = (new MysqlPDO())->executeQuery($sql, $params);
return $logs;
}
public static function getCount(CRObject $filter)
{
$scope = $filter->get('scope');
$tag = $filter->get('tag');
$level_min = $filter->getInt('level_min');
$ip = $filter->get('ip');
$time_begin = $filter->getInt('time_begin');
$time_end = $filter->getInt('time_end');
$selected_rows = array('id');
$where_arr = array();
$opt_arr = array();
$params = array();
if (!empty($scope)) {
$where_arr['scope'] = '?';
$params[] = $scope;
}
if (!empty($tag)) {
$where_arr['tag'] = '?';
$params[] = $tag;
}
if (!is_null($level_min)) {
$where_arr['level'] = '?';
$opt_arr['level'] = '>=';
$params[] = $level_min;
}
if (!empty($ip)) {
$where_arr['ip'] = '?';
$params[] = ip2long($ip);
}
if (!is_null($time_begin) && !is_null($time_end)) {
$where_arr['time'] = '? AND ?';
$opt_arr['time'] = 'BETWEEN';
$params[] = $time_begin;
$params[] = $time_end;
} else if (!is_null($time_begin)) {
$where_arr['time'] = '?';
$opt_arr['time'] = '>=';
$params[] = $time_begin;
} else if (!is_null($time_end)) {
$where_arr['time'] = '?';
$opt_arr['time'] = '<=';
$params[] = $time_end;
}
$builder = new SQLBuilder();
$builder->select(self::$db_table, $selected_rows);
$builder->where($where_arr, $opt_arr);
$builder->limit(0, 1000);
$sql = $builder->build();
$sql = "SELECT COUNT(1) AS `count` FROM ( $sql ) as tmp";
$res = (new MysqlPDO())->executeQuery($sql, $params);
return intval($res[0]['count']);
}
}

69
util4p/CRObject.class.php Executable file
View File

@@ -0,0 +1,69 @@
<?php
class CRObject implements JsonSerializable
{
private $map;
/*
* @param $map: key-value array
*/
public function __construct(array $map = array())
{
$this->map = $map;
}
public function set($key, $value)
{
$this->map[$key] = $value;
return true;
}
public function get($key, $default = null)
{
if (isset($this->map[$key]) && !is_null($this->map[$key])) {
return $this->map[$key];
}
return $default;
}
public function getInt($key, $default = null)
{
if (isset($this->map[$key]) && !is_null($this->map[$key]) && is_numeric($this->map[$key])) {
return intval($this->map[$key]);
}
return $default;
}
public function getBool($key, $default = false)
{
if (isset($this->map[$key]) && !is_null($this->map[$key])) {
return $this->map[$key] === true;
}
return $default === true;
}
public function toArray()
{
return $this->map;
}
/*
* set $this[$key] if isset($obj[$key])&&!isset($this[$key])
* (new CRObject(['k1' => 'v1'])).union(new CRObject(['k1' => 'v1.1', 'k2' => 'v2']))
* = new CRObject(['k1' => 'v1', 'k2' => 'v2'])
*/
public function union(CRObject $obj)
{
$keys = array_keys($obj->toArray());
foreach ($keys as $key) {
$this->set($key, $this->get($key, $obj->get($key)));
}
return $this;
}
public function jsonSerialize()
{
return $this->toArray();
}
}

201
util4p/LICENSE Executable file
View File

@@ -0,0 +1,201 @@
Apache License
Version 2.0, January 2004
http://www.apache.org/licenses/
TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
1. Definitions.
"License" shall mean the terms and conditions for use, reproduction,
and distribution as defined by Sections 1 through 9 of this document.
"Licensor" shall mean the copyright owner or entity authorized by
the copyright owner that is granting the License.
"Legal Entity" shall mean the union of the acting entity and all
other entities that control, are controlled by, or are under common
control with that entity. For the purposes of this definition,
"control" means (i) the power, direct or indirect, to cause the
direction or management of such entity, whether by contract or
otherwise, or (ii) ownership of fifty percent (50%) or more of the
outstanding shares, or (iii) beneficial ownership of such entity.
"You" (or "Your") shall mean an individual or Legal Entity
exercising permissions granted by this License.
"Source" form shall mean the preferred form for making modifications,
including but not limited to software source code, documentation
source, and configuration files.
"Object" form shall mean any form resulting from mechanical
transformation or translation of a Source form, including but
not limited to compiled object code, generated documentation,
and conversions to other media types.
"Work" shall mean the work of authorship, whether in Source or
Object form, made available under the License, as indicated by a
copyright notice that is included in or attached to the work
(an example is provided in the Appendix below).
"Derivative Works" shall mean any work, whether in Source or Object
form, that is based on (or derived from) the Work and for which the
editorial revisions, annotations, elaborations, or other modifications
represent, as a whole, an original work of authorship. For the purposes
of this License, Derivative Works shall not include works that remain
separable from, or merely link (or bind by name) to the interfaces of,
the Work and Derivative Works thereof.
"Contribution" shall mean any work of authorship, including
the original version of the Work and any modifications or additions
to that Work or Derivative Works thereof, that is intentionally
submitted to Licensor for inclusion in the Work by the copyright owner
or by an individual or Legal Entity authorized to submit on behalf of
the copyright owner. For the purposes of this definition, "submitted"
means any form of electronic, verbal, or written communication sent
to the Licensor or its representatives, including but not limited to
communication on electronic mailing lists, source code control systems,
and issue tracking systems that are managed by, or on behalf of, the
Licensor for the purpose of discussing and improving the Work, but
excluding communication that is conspicuously marked or otherwise
designated in writing by the copyright owner as "Not a Contribution."
"Contributor" shall mean Licensor and any individual or Legal Entity
on behalf of whom a Contribution has been received by Licensor and
subsequently incorporated within the Work.
2. Grant of Copyright License. Subject to the terms and conditions of
this License, each Contributor hereby grants to You a perpetual,
worldwide, non-exclusive, no-charge, royalty-free, irrevocable
copyright license to reproduce, prepare Derivative Works of,
publicly display, publicly perform, sublicense, and distribute the
Work and such Derivative Works in Source or Object form.
3. Grant of Patent License. Subject to the terms and conditions of
this License, each Contributor hereby grants to You a perpetual,
worldwide, non-exclusive, no-charge, royalty-free, irrevocable
(except as stated in this section) patent license to make, have made,
use, offer to sell, sell, import, and otherwise transfer the Work,
where such license applies only to those patent claims licensable
by such Contributor that are necessarily infringed by their
Contribution(s) alone or by combination of their Contribution(s)
with the Work to which such Contribution(s) was submitted. If You
institute patent litigation against any entity (including a
cross-claim or counterclaim in a lawsuit) alleging that the Work
or a Contribution incorporated within the Work constitutes direct
or contributory patent infringement, then any patent licenses
granted to You under this License for that Work shall terminate
as of the date such litigation is filed.
4. Redistribution. You may reproduce and distribute copies of the
Work or Derivative Works thereof in any medium, with or without
modifications, and in Source or Object form, provided that You
meet the following conditions:
(a) You must give any other recipients of the Work or
Derivative Works a copy of this License; and
(b) You must cause any modified files to carry prominent notices
stating that You changed the files; and
(c) You must retain, in the Source form of any Derivative Works
that You distribute, all copyright, patent, trademark, and
attribution notices from the Source form of the Work,
excluding those notices that do not pertain to any part of
the Derivative Works; and
(d) If the Work includes a "NOTICE" text file as part of its
distribution, then any Derivative Works that You distribute must
include a readable copy of the attribution notices contained
within such NOTICE file, excluding those notices that do not
pertain to any part of the Derivative Works, in at least one
of the following places: within a NOTICE text file distributed
as part of the Derivative Works; within the Source form or
documentation, if provided along with the Derivative Works; or,
within a display generated by the Derivative Works, if and
wherever such third-party notices normally appear. The contents
of the NOTICE file are for informational purposes only and
do not modify the License. You may add Your own attribution
notices within Derivative Works that You distribute, alongside
or as an addendum to the NOTICE text from the Work, provided
that such additional attribution notices cannot be construed
as modifying the License.
You may add Your own copyright statement to Your modifications and
may provide additional or different license terms and conditions
for use, reproduction, or distribution of Your modifications, or
for any such Derivative Works as a whole, provided Your use,
reproduction, and distribution of the Work otherwise complies with
the conditions stated in this License.
5. Submission of Contributions. Unless You explicitly state otherwise,
any Contribution intentionally submitted for inclusion in the Work
by You to the Licensor shall be under the terms and conditions of
this License, without any additional terms or conditions.
Notwithstanding the above, nothing herein shall supersede or modify
the terms of any separate license agreement you may have executed
with Licensor regarding such Contributions.
6. Trademarks. This License does not grant permission to use the trade
names, trademarks, service marks, or product names of the Licensor,
except as required for reasonable and customary use in describing the
origin of the Work and reproducing the content of the NOTICE file.
7. Disclaimer of Warranty. Unless required by applicable law or
agreed to in writing, Licensor provides the Work (and each
Contributor provides its Contributions) on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
implied, including, without limitation, any warranties or conditions
of TITLE, NON-INFRINGEMENT, MERCHANTABILITY, or FITNESS FOR A
PARTICULAR PURPOSE. You are solely responsible for determining the
appropriateness of using or redistributing the Work and assume any
risks associated with Your exercise of permissions under this License.
8. Limitation of Liability. In no event and under no legal theory,
whether in tort (including negligence), contract, or otherwise,
unless required by applicable law (such as deliberate and grossly
negligent acts) or agreed to in writing, shall any Contributor be
liable to You for damages, including any direct, indirect, special,
incidental, or consequential damages of any character arising as a
result of this License or out of the use or inability to use the
Work (including but not limited to damages for loss of goodwill,
work stoppage, computer failure or malfunction, or any and all
other commercial damages or losses), even if such Contributor
has been advised of the possibility of such damages.
9. Accepting Warranty or Additional Liability. While redistributing
the Work or Derivative Works thereof, You may choose to offer,
and charge a fee for, acceptance of support, warranty, indemnity,
or other liability obligations and/or rights consistent with this
License. However, in accepting such obligations, You may act only
on Your own behalf and on Your sole responsibility, not on behalf
of any other Contributor, and only if You agree to indemnify,
defend, and hold each Contributor harmless for any liability
incurred by, or claims asserted against, such Contributor by reason
of your accepting any such warranty or additional liability.
END OF TERMS AND CONDITIONS
APPENDIX: How to apply the Apache License to your work.
To apply the Apache License to your work, attach the following
boilerplate notice, with the fields enclosed by brackets "{}"
replaced with your own identifying information. (Don't include
the brackets!) The text should be enclosed in the appropriate
comment syntax for the file format. We also recommend that a
file or class name and description of purpose be included on the
same "printed page" as the copyright notice for easier
identification within third-party archives.
Copyright {yyyy} {name of copyright owner}
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.

99
util4p/MysqlPDO.class.php Executable file
View File

@@ -0,0 +1,99 @@
<?php
require_once('CRObject.class.php');
class MysqlPDO
{
private static $host = 'localhost';
private static $port = '3307';
private static $db = '';
private static $user = 'root';
private static $password = '';
private static $charset = 'utf8';
private static $show_error = false;
private $dbh;
/**/
public static function configure(CRObject $config)
{
self::$host = $config->get('host', self::$host);
self::$port = $config->getInt('port', self::$port);
self::$db = $config->get('db', self::$db);
self::$user = $config->get('user', self::$user);
self::$password = $config->get('password', self::$password);
self::$charset = $config->get('charset', self::$charset);
self::$show_error = $config->getBool('show_error', self::$show_error);
}
/**/
public function __construct()
{
$this->connect();
}
/**/
private function connect()
{
try {
$this->dbh = new PDO('mysql:host=' . (self::$host) . ';port=' . (self::$port) . ';dbname=' . (self::$db), self::$user, self::$password);
$this->dbh->exec('SET names ' . self::$charset);
return true;
} catch (PDOException $e) {
$this->dbh = null;
if (self::$show_error)
var_dump($e->getMessage());
return false;
}
}
/*
* @return bool
* */
public function execute($sql, $a_params, $need_inserted_id = false)
{
if ($this->dbh === null) {
return false;
}
try {
$stmt = $this->dbh->prepare($sql);
$result = $stmt->execute($a_params);
if (self::$show_error && !$result) {
var_dump($stmt->errorInfo()[2]);
}
if ($need_inserted_id) {
$result = $result ? $this->dbh->lastInsertId() : false;
}
$this->dbh = null;
return $result;
} catch (Exception $e) {
if (self::$show_error)
var_dump($e->getMessage());
return false;
}
}
/*
* @param $a_params: key-value array
*/
function executeQuery($sql, $a_params)
{
if ($this->dbh === null) {
return null;
}
try {
$stmt = $this->dbh->prepare($sql);
$stmt->setFetchMode(PDO::FETCH_ASSOC);
$result = null;
if ($stmt->execute($a_params)) {
$result = $stmt->fetchAll();
}
$this->dbh = null;
return $result;
} catch (Exception $e) {
if (self::$show_error)
var_dump($e->getMessage());
return null;
}
}
}

23
util4p/README.md Executable file
View File

@@ -0,0 +1,23 @@
# utilities for php
Require PHP version >= 5.1.0
## AccessController.class.php
## CRLogger.class.php
## CRObject.class.php
## MysqlPDO.class.php
## Random.class.php
## RedisDAO.class.php
## Session.class.php
## SQLBuilder.class.php
## util.php
## Validator.class.php

51
util4p/Random.class.php Executable file
View File

@@ -0,0 +1,51 @@
<?php
class Random
{
const LEVEL_LOW = 1;
const LEVEL_MIDDLE = 2;
const LEVEL_HIGH = 3;
/*
* generate a digit in range of [$min, $max]
* origin: stackoverflow
* notice: this method tends to generate unique numbers compared with rand()
*/
public static function randomInt($min, $max)
{
$range = intval($max) - intval($min);
if ($range < 1) return $min; // not so random...
$log = ceil(log($range, 2));
$bytes = (int)($log / 8) + 1; // length in bytes
$bits = (int)$log + 1; // length in bits
$filter = (int)(1 << $bits) - 1; // set all lower bits to 1
do {
$rnd = hexdec(bin2hex(openssl_random_pseudo_bytes($bytes)));
$rnd = $rnd & $filter; // discard irrelevant bits
} while ($rnd >= $range);
return $min + $rnd;
}
/*
* generate random string of length $length
* level: LOW - only numbers, MIDDLE - plus letters(upper and lower), HIGH - plus special chars
*/
public static function randomString($strlen, $level = self::LEVEL_MIDDLE)
{
$alphabet = '0123456789';
if ($level > self::LEVEL_LOW) {
$alphabet .= 'ABCDEFGHIJKLMNOPQRSTUVWXYZ';
$alphabet .= 'abcdefghijklmnopqrstuvwxyz';
}
if ($level > self::LEVEL_MIDDLE)
$alphabet .= '+-*/?!%`~@#^&(){}';
$length = strlen($alphabet);
$token = '';
for ($i = 0; $i < $strlen; $i++) {
$token .= $alphabet[self::randomInt(0, $length - 1)];
}
return $token;
}
}

169
util4p/RateLimiter.class.php Executable file
View File

@@ -0,0 +1,169 @@
<?php
require_once('util.php');
require_once('RedisDAO.class.php');
/*
* limit request rate, prevent spam
* normally used in fields such as login, register
* based on fatigue degree
*
* fatigue degree grow algorithm rule, call increase($degree)
* rule format
* array(
* 'degree'=>100, //min point to reach this punishment
* 'interval'=>300 //count interval, degree will expire after interval
* )
*
* rules are stored in redis db
* will auto grow by fatigue degree, call setAutoIncrease($bool)
* punish directly, call punish($arr)
*/
class RateLimiter
{
private static $keyPrefix = 'rl';
private static $id = '';
private static $rules = array();
/*
* @param $key customize your own key, default is ip2long(ip)
*/
public static function configure(CRObject $config)
{
self::$keyPrefix = $config->get('key_prefix', self::$keyPrefix);
self::$id = $config->get('id', cr_get_client_ip(false));
self::$rules = $config->get('rules', self::$rules);
}
/*
* @param
*
*/
public static function increase($degree)
{
if (!is_numeric($degree)) {
return false;
}
$lua_script = <<<LUA
local degree = redis.call('incrby', KEYS[1], ARGV[1])
if degree == tonumber(ARGV[1]) then
redis.call('expire', KEYS[1], ARGV[2])
end
return degree
LUA;
$redis = RedisDAO::instance();
if ($redis === null) {
return false;
}
foreach (self::$rules as $rule) {
$interval = $rule['interval'];
$key = self::$keyPrefix . ':degree:' . self::$id . '-' . $interval;
$redis->eval($lua_script, 1, $key, $degree, $interval);
}
$redis->disconnect();
$rule = self::whichRuleToPunish();
if ($rule !== null) {
self::punish($rule);
}
return true;
}
/**/
public static function punish($rule, $id = null)
{
if ($id === null) {
$id = self::$id;
}
$redis = RedisDAO::instance();
if ($redis === null) {
return false;
}
$redis->set(self::$keyPrefix . ':punishing:' . $id, $rule['degree'], 'EX', $rule['interval']);
$redis->disconnect();
return true;
}
/*
* get punish time left, negative means not being punished
*/
public static function getFreezeTime($id = null)
{
if ($id === null) {
$id = self::$id;
}
$redis = RedisDAO::instance();
if ($redis === null) {
return 0;
}
$freezeTime = (int)$redis->ttl(self::$keyPrefix . ':punishing:' . $id);
$redis->disconnect();
return $freezeTime;
}
/*
* get which rule to punish current user
* mostly of the time, you dont have to call this, as it is called automatically
*/
private static function whichRuleToPunish()
{
$redis = RedisDAO::instance();
if ($redis === null) {
return null;
}
foreach (self::$rules as $rule) {
$interval = $rule['interval'];
$key = self::$keyPrefix . ':degree:' . self::$id . '-' . $interval;
$degree = (int)$redis->get($key);
if ($degree > $rule['degree']) {
$redis->disconnect();
return $rule;
}
}
$redis->disconnect();
return null;
}
/* clear degree count and punishing state */
public static function clear($id = null)
{
if ($id === null) {
$id = self::$id;
}
$redis = RedisDAO::instance();
if ($redis === null) {
return null;
}
foreach (self::$rules as $rule) {
$interval = $rule['interval'];
$key = self::$keyPrefix . ':degree:' . $id . '-' . $interval;
$redis->del(array($key));
}
$redis->del(array(self::$keyPrefix . ':punishing:' . $id));
$redis->disconnect();
return true;
}
/* list IDs being punished */
public static function listPunished()
{
$redis = RedisDAO::instance();
if ($redis === null) {
return false;
}
$redis_key = self::$keyPrefix . ':punishing:*';
$list = $redis->keys($redis_key);
$redis->disconnect();
$len = strlen(self::$keyPrefix . ':punishing:');
$ids = array();
foreach ($list as $item) {
$ids[]['id'] = mb_substr($item, $len);
}
return $ids;
}
}

208
util4p/ReSession.class.php Executable file
View File

@@ -0,0 +1,208 @@
<?php
require_once('util.php');
require_once('CRObject.class.php');
require_once('RedisDAO.class.php');
require_once('Random.class.php');
class Session
{
private static $time_out = 0; // 0-never expire
private static $bind_ip = false; // bind session with ip, when client ip changes, previous session will be unavailable
private static $sid = '';
private static $guid_key = '_session_id';
private static $cache = array();
/* configuration && initialization */
public static function configure(CRObject $config)
{
self::$time_out = $config->get('time_out', self::$time_out);
self::$bind_ip = $config->getBool('bind_ip', self::$bind_ip);
self::$guid_key = $config->get('guid_key', self::$guid_key);
/* assign id from new sessions */
if (!isset($_COOKIE[self::$guid_key])) {
$redis = RedisDAO::instance();
if ($redis === null) {
return false;
}
do { // generate an unique session id
self::$sid = Random::randomString(64);
} while ($redis->exists('session:' . self::$sid) === 1);
$redis->disconnect();
setcookie(self::$guid_key, self::$sid);
} else {
self::$sid = $_COOKIE[self::$guid_key];
}
return true;
}
/* Ask browser to remember session id even if browser restarts */
public static function persist($duration)
{
$redis = RedisDAO::instance();
if ($redis === null) {
return false;
}
$redis_key = 'session:' . self::$sid;
$redis->expire($redis_key, $duration);
$redis->disconnect();
setcookie(self::$guid_key, self::$sid, time() + $duration);
return true;
}
/* attach session to $group to avoid wild sessions */
public static function attach($group)
{
$redis = RedisDAO::instance();
if ($redis === null) {
return false;
}
$redis_key = 'session:' . self::$sid;
$key = 'session-group:' . $group;
$redis->sadd($key, array($redis_key));
$redis->disconnect();
return true;
}
/* detach session from $group */
public static function detach($group)
{
$redis = RedisDAO::instance();
if ($redis === null) {
return false;
}
$key = 'session-group:' . $group;
$redis_key = 'session:' . self::$sid;
$redis->srem($key, $redis_key);
$redis->disconnect();
return true;
}
/**/
public static function put($key, $value)
{
$redis = RedisDAO::instance();
if ($redis === null) {
return false;
}
$redis_key = 'session:' . self::$sid;
$redis->hset($redis_key, $key, $value);
$redis->hset($redis_key, '_ip', cr_get_client_ip(false));
self::$cache[$key] = $value;//update cache
self::get('_ip');//renew expiration
$redis->disconnect();
return true;
}
/**/
public static function get($key, $default = null)
{
if (isset(self::$cache[$key])) {
return self::$cache[$key];
}
$redis = RedisDAO::instance();
if ($redis === null) {
return $default;
}
$redis_key = 'session:' . self::$sid;
$list = $redis->hgetall($redis_key);
if (self::$bind_ip) {
if (!(isset($list['_ip']) && $list['_ip'] === cr_get_client_ip(false))) {
return $default;
}
}
self::$cache = $list;
if ($redis->ttl($redis_key) < self::$time_out) {
$redis->expire($redis_key, self::$time_out);
}
$redis->disconnect();
if (isset($list[$key])) {
return $list[$key];
}
return $default;
}
/* expire current session */
public static function expire()
{
$redis = RedisDAO::instance();
if ($redis === null) {
return false;
}
$redis_key = 'session:' . self::$sid;
$redis->del(array($redis_key));
$redis->disconnect();
setcookie(self::$guid_key, self::$sid, time() - 3600);
return true;
}
/**/
public static function expireByGroup($group, $index = null)
{
$redis = RedisDAO::instance();
if ($redis === null) {
return false;
}
$group_key = "session-group:$group";
$keys = $redis->smembers($group_key);
foreach ($keys as $i => $key) {
if ($index === null || $i === $index) {
$redis->srem($group_key, $key);
$redis->del($key);
}
}
$redis->disconnect();
return true;
}
/* Low Performance, Not recommended */
public static function listGroup(CRObject $rule)
{
$redis = RedisDAO::instance();
if ($redis === null) {
return false;
}
$prefix = 'session-group:';
$keys = $redis->keys($prefix . '*');
$offset = $rule->getInt('offset', 0);
$limit = $rule->getInt('limit', -1);
$groups = array();
$len = strlen($prefix);
foreach ($keys as $index => $key) {
if ($index < $offset) {
continue;
}
if ($limit !== -1 && $offset + $limit <= $index) {
break;
}
$groups[] = array('index' => $index, 'group' => substr($key, $len));
}
$redis->disconnect();
return $groups;
}
/* Low Performance, Not recommended */
public static function listSession(CRObject $rule)
{
$redis = RedisDAO::instance();
if ($redis === null) {
return false;
}
$group = $rule->get('group', '');
$redis_key = "session-group:$group";
$keys = $redis->smembers($redis_key);
$sessions = array();
foreach ($keys as $index => $key) {
$session = $redis->hgetall($key);
if (count($session) === 0) {
$redis->srem($redis_key, $key);
continue;
}
$session['_index'] = $index;
$session['_current'] = $key === 'session:' . self::$sid;
$sessions[] = $session;
}
return $sessions;
}
}

44
util4p/RedisDAO.class.php Executable file
View File

@@ -0,0 +1,44 @@
<?php
require_once('CRObject.class.php');
if (!class_exists('Predis\Client')) {
header('HTTP/1.1 500 Internal Server Error');
var_dump('predis (github.com/nrk/predis.git) required');
exit;
}
class RedisDAO
{
private static $scheme = 'tcp';
private static $host = 'localhost';
private static $port = 6379;
private static $show_error = false;
public static function configure(CRObject $config)
{
self::$scheme = $config->get('scheme', self::$scheme);
self::$host = $config->get('host', self::$host);
self::$port = $config->getInt('port', self::$port);
self::$show_error = $config->getBool('show_error', self::$show_error);
}
public static function instance()
{
try {
$redis = new Predis\Client(
array(
'scheme' => RedisDAO::$scheme,
'host' => RedisDAO::$host,
'port' => RedisDAO::$port
)
);
$redis->connect();
return $redis;
} catch (Exception $e) {
if (self::$show_error)
var_dump($e->getMessage());
return null;
}
}
}

162
util4p/SQLBuilder.class.php Executable file
View File

@@ -0,0 +1,162 @@
<?php
/*
* Replace long SQL string with several functions
* Fixed SQL string is hard to migrate to another DB whose syntax may differ.
* Using a high level abstract interface makes code clean and easy to migrate.
* Is is strongly recommended to use prepared statement in order to avoid SQL-injection
*/
class SQLBuilder
{
private $sql = '';
/**/
public function insert($table, array $key_values)
{
$this->sql = "INSERT INTO `$table`";
$keys = array_keys($key_values);
if (count($keys) && $keys[0] !== 0) { //support `INSERT INTO table VALUES (...)
$this->sql .= '(';
foreach ($keys as $key) {
$this->sql .= "`$key`, ";
}
$this->sql = substr($this->sql, 0, strlen($this->sql) - 2);
$this->sql .= ')';
}
$this->sql .= " VALUES(";
foreach ($key_values as $key => $value) {
if ($value === null) {
$this->sql .= "null, ";
} else if ($value === '?') {// support prepared statment
$this->sql .= "?, ";
} else {// FIXME: $value may contains '
$this->sql .= "'$value', ";
}
}
$this->sql = substr($this->sql, 0, strlen($this->sql) - 2);
$this->sql .= ")";
}
/**/
public function select($table, array $selected_rows = array())
{
$this->sql = 'SELECT ';
foreach ($selected_rows as $row) {
if (strpos($row, ' ') || strpos($row, '(')) {//contain functions, not pure row name
$this->sql .= "$row, ";
} else {
$this->sql .= "`$row`, ";
}
}
if (count($selected_rows) === 0) {
$this->sql .= ' * ';
} else {
$this->sql = substr($this->sql, 0, strlen($this->sql) - 2);
}
$this->sql .= " FROM `$table` ";
}
/**/
public function update($table, array $key_values)
{
if ($key_values === null || count($key_values) === 0) {
return;
}
$this->sql = "UPDATE `$table` SET ";
foreach ($key_values as $key => $value) {
if ($value === null) {
$this->sql .= " `$key` = null, ";
} else if ($value === '?') {
$this->sql .= " `$key` = ?, ";
} else {//FIXME: $value may contain '
$this->sql .= " `$key` = '$value', ";
}
}
$this->sql = substr($this->sql, 0, strlen($this->sql) - 2);
}
/**/
public function delete($table)
{
$this->sql = "DELETE FROM `$table` ";
}
/* currently, can only represent AND */
public function where($key_values, $opts = array())
{
$where_clause_cnt = 0;
$keys = array_keys($key_values);
foreach ($keys as $key) {
if (!isset($opts[$key])) {
$opts[$key] = '=';
}
if ($where_clause_cnt == 0) {
$this->sql .= ' WHERE ';
} else {
$this->sql .= ' AND ';
}
if ($key_values[$key] === null) {
if ($opts[$key] === '=') {
$this->sql .= " `$key` is null ";
} else {
$this->sql .= " `$key` is not null ";
}
$where_clause_cnt++;
} else if ($key_values[$key] === '?' || in_array(strtoupper($opts[$key]), array('IN', 'BETWEEN', 'LIKE'))) {
$this->sql .= " `$key` {$opts[$key]} {$key_values[$key]} ";
$where_clause_cnt++;
} else {//FIXME: $key_values[$key] may contain '
$this->sql .= " `$key` {$opts[$key]} '{$key_values[$key]}' ";
$where_clause_cnt++;
}
}
}
/**/
public function group(array $by_arr)
{
if ($by_arr === null || count($by_arr) === 0) {
return;
}
$this->sql .= ' GROUP BY ';
foreach ($by_arr as $by) {
$this->sql .= "`$by`, ";
}
$this->sql = substr($this->sql, 0, strlen($this->sql) - 2);
}
/**/
public function order(array $by_arr)
{
if ($by_arr === null || count($by_arr) === 0) {
return;
}
$this->sql .= ' ORDER BY ';
foreach ($by_arr as $by => $order) {
if (strtoupper($order) !== 'DESC') {
$order = 'ASC';
}
$this->sql .= "`$by` $order, ";
}
$this->sql = substr($this->sql, 0, strlen($this->sql) - 2);
}
/**/
public function limit($offset, $cnt)
{
if ($cnt < 0) {// support LIMIT 0 ,-1 to get all records
$this->sql .= " LIMIT $offset, 18446744073709551615";
} else {
$this->sql .= " LIMIT $offset, $cnt";
}
}
/**/
public function build()
{
return $this->sql;
}
}

50
util4p/Session.class.php Executable file
View File

@@ -0,0 +1,50 @@
<?php
session_start();
class Session
{
private static $time_out = 0; // 0-never expire
private static $bind_ip = false; // bind session with ip, when client ip changes, previous session will be unavailable
/**/
public static function configure(CRObject $config)
{
self::$time_out = $config->get('time_out', self::$time_out);
self::$bind_ip = $config->getBool('bind_ip', self::$bind_ip);
return true;
}
/**/
public static function put($key, $value)
{
$_SESSION[$key] = $value;
$_SESSION['_SELF']['LAST_ACTIVE'] = time();
return true;
}
/**/
public static function get($key, $default = null)
{
if (!isset($_SESSION['_SELF']['LAST_ACTIVE'])) {
$_SESSION['_SELF']['LAST_ACTIVE'] = 0;
}
if (self::$time_out > 0 && time() - $_SESSION['_SELF']['LAST_ACTIVE'] > self::$time_out) {
return $default;
}
$_SESSION['_SELF']['LAST_ACTIVE'] = time();
if (isset($_SESSION[$key]) && !is_null($_SESSION[$key])) {
return $_SESSION[$key];
}
return $default;
}
/* expire current session */
public static function expire()
{
$_SESSION = array();
session_destroy();
return true;
}
}

36
util4p/Validator.class.php Executable file
View File

@@ -0,0 +1,36 @@
<?php
class Validator
{
/**/
public static function isIP($str)
{
$ip = explode('.', $str);
for ($i = 0; $i < count($ip); $i++) {
if ($ip[$i] < 0 || $ip[$i] > 255) {
return false;
}
}
return preg_match('/^[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}$/', $str);
}
/**/
public static function isEmail($str)
{
if ($str === null) {
return false;
}
return preg_match("/^([0-9A-Za-z\\-_\\.]+)@([0-9a-z]+\\.[a-z]{2,3}(\\.[a-z]{2})?)$/i", $str) === 1;
}
/*TODO*/
public static function isURL($url)
{
if (is_null($url) || empty($url)) {
return false;
}
return true;
}
}

67
util4p/util.php Executable file
View File

@@ -0,0 +1,67 @@
<?php
/*
* get client side ip
* Notice: This method works best in the situation where the server is behind proxy
* and proxy will replace HTTP_CLIENT_IP. If your app is exposed straightly to
* the Internet, this may return a wrong ip when a visits from Intranet but
* claims from Internet. It is a trade-off.
*/
function cr_get_client_ip($allow_ipv6 = true)
{
$ip = $_SERVER['REMOTE_ADDR'];
// REMOTE_ADDR may not be real ip in case server is behind proxy (nginx, docker etc.)
if (!filter_var($ip, FILTER_VALIDATE_IP, FILTER_FLAG_IPV4 | FILTER_FLAG_NO_PRIV_RANGE | FILTER_FLAG_NO_RES_RANGE)) {
if (!empty($_SERVER['HTTP_CLIENT_IP'])) {
$ip = $_SERVER['HTTP_CLIENT_IP'];
} else if (!empty($_SERVER['HTTP_X_FORWARDED_FOR'])) {
$ips = explode(', ', $_SERVER['HTTP_X_FORWARDED_FOR']);
for ($i = 0; $i < count($ips); $i++) {
if (!preg_match('/^(10│172.16│192.168)./i', $ips[$i])) {
$ip = $ips[$i];
break;
}
}
}
}
if (!$allow_ipv6 && filter_var($ip, FILTER_VALIDATE_IP, FILTER_FLAG_IPV6)) {
$ip = '0.0.0.0';
}
return $ip;
}
/* get from $_GET */
function cr_get_GET($key, $default = null)
{
if (isset($_GET[$key]) && strlen($_GET[$key]) > 0) {
return $_GET[$key];
}
return $default;
}
/* get from $_POST */
function cr_get_POST($key, $default = null)
{
if (isset($_POST[$key]) && strlen($_POST[$key]) > 0) {
return $_POST[$key];
}
return $default;
}
/* get from $_COOKIE */
function cr_get_COOKIE($key, $default = null)
{
if (isset($_COOKIE[$key]) && strlen($_COOKIE[$key]) > 0) {
return $_COOKIE[$key];
}
return $default;
}
/* get from $_SERVER */
function cr_get_SERVER($key, $default = null)
{
if (isset($_SERVER[$key]) && strlen($_SERVER[$key]) > 0) {
return $_SERVER[$key];
}
return $default;
}