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1 | <?php | |
2 | ||
3 | require_once "SQL/sql.php"; | |
4 | require_once "SQL/settings.php"; | |
5 | ||
6 | class sql_auth | |
7 | { | |
8 | public $name = "SQLAuth"; | |
9 | public $author = "Valware"; | |
10 | public $version = "1.0"; | |
11 | public $description = "Provides a User Auth and Management Panel with an SQL backend"; | |
12 | public $email = "v.a.pond@outlook.com"; | |
13 | ||
14 | function __construct() | |
15 | { | |
16 | self::create_tables(); | |
17 | Hook::func(HOOKTYPE_PRE_HEADER, 'sql_auth::session_start'); | |
18 | Hook::func(HOOKTYPE_FOOTER, 'sql_auth::add_footer_info'); | |
19 | Hook::func(HOOKTYPE_USER_LOOKUP, 'sql_auth::get_user'); | |
20 | Hook::func(HOOKTYPE_USERMETA_ADD, 'sql_auth::add_usermeta'); | |
21 | Hook::func(HOOKTYPE_USERMETA_DEL, 'sql_auth::del_usermeta'); | |
22 | Hook::func(HOOKTYPE_USERMETA_GET, 'sql_auth::get_usermeta'); | |
23 | Hook::func(HOOKTYPE_USER_CREATE, 'sql_auth::user_create'); | |
24 | Hook::func(HOOKTYPE_GET_USER_LIST, 'sql_auth::get_user_list'); | |
25 | Hook::func(HOOKTYPE_USER_DELETE, 'sql_auth::user_delete'); | |
26 | Hook::func(HOOKTYPE_EDIT_USER, 'sql_auth::edit_core'); | |
27 | ||
28 | if (defined('SQL_DEFAULT_USER')) // we've got a default account | |
29 | { | |
30 | $lkup = new PanelUser(SQL_DEFAULT_USER['username']); | |
31 | ||
32 | if (!$lkup->id) // doesn't exist, add it with full privileges | |
33 | { | |
34 | $user = []; | |
35 | $user['user_name'] = SQL_DEFAULT_USER['username']; | |
36 | $user['user_pass'] = SQL_DEFAULT_USER['password']; | |
37 | $user['err'] = ""; | |
38 | create_new_user($user); | |
39 | } | |
40 | $lkup = new PanelUser(SQL_DEFAULT_USER['username']); | |
41 | if (!user_can($lkup, PERMISSION_MANAGE_USERS)) | |
42 | $lkup->add_permission(PERMISSION_MANAGE_USERS); | |
43 | } | |
44 | } | |
45 | ||
46 | ||
47 | public static function add_footer_info($empty) | |
48 | { | |
49 | if (!($user = unreal_get_current_user())) | |
50 | return; | |
51 | ||
52 | else { | |
53 | echo "<code>Admin Panel v" . WEBPANEL_VERSION . "</code>"; | |
54 | } | |
55 | } | |
56 | ||
57 | /* pre-Header hook */ | |
58 | public static function session_start($n) | |
59 | { | |
60 | if (!isset($_SESSION)) | |
61 | { | |
62 | session_set_cookie_params(3600); | |
63 | session_start(); | |
64 | } | |
65 | if (!isset($_SESSION['id']) || empty($_SESSION)) | |
66 | { | |
67 | $current_page = $_SERVER['REQUEST_URI']; | |
68 | $tok = split($_SERVER['SCRIPT_FILENAME'], "/"); | |
69 | if ($check = security_check() && $tok[count($tok) - 1] !== "error.php") { | |
70 | header("Location: " . BASE_URL . "plugins/sql_auth/error.php"); | |
71 | die(); | |
72 | } | |
73 | header("Location: ".BASE_URL."login/?redirect=".urlencode($current_page)); | |
74 | die(); | |
75 | } | |
76 | else | |
77 | { | |
78 | if (!unreal_get_current_user()) // user no longer exists | |
79 | { | |
80 | session_destroy(); | |
81 | header("Location: ".BASE_URL."login"); | |
82 | die(); | |
83 | } | |
84 | // you'll be automatically logged out after one hour of inactivity | |
85 | } | |
86 | } | |
87 | ||
88 | /** | |
89 | * Create the tables we'll be using in the SQLdb | |
90 | * @return void | |
91 | */ | |
92 | public static function create_tables() | |
93 | { | |
94 | $conn = sqlnew(); | |
95 | $conn->query("CREATE TABLE IF NOT EXISTS " . SQL_PREFIX . "users ( | |
96 | user_id int AUTO_INCREMENT NOT NULL, | |
97 | user_name VARCHAR(255) NOT NULL, | |
98 | user_pass VARCHAR(255) NOT NULL, | |
99 | user_email VARCHAR(255), | |
100 | user_fname VARCHAR(255), | |
101 | user_lname VARCHAR(255), | |
102 | user_bio VARCHAR(255), | |
103 | created VARCHAR(255), | |
104 | PRIMARY KEY (user_id) | |
105 | )"); | |
106 | ||
107 | /** | |
108 | * Patch for beta users | |
109 | * This adds the email column to existing tables without it | |
110 | */ | |
111 | $columns = $conn->query("SHOW COLUMNS FROM " . SQL_PREFIX . "users"); | |
112 | $column_names = array(); | |
113 | $c = $columns->fetchAll(); | |
114 | ||
115 | foreach($c as $column) { | |
116 | $column_names[] = $column['Field']; | |
117 | } | |
118 | $column_exists = in_array("user_email", $column_names); | |
119 | if (!$column_exists) { | |
120 | $conn->query("ALTER TABLE " . SQL_PREFIX . "users ADD COLUMN user_email varchar(255)"); | |
121 | } | |
122 | ||
123 | /** | |
124 | * Another patch for beta users | |
125 | * This changes the size of the meta_value so we can store more | |
126 | */ | |
127 | ||
128 | $conn->query("CREATE TABLE IF NOT EXISTS " . SQL_PREFIX . "user_meta ( | |
129 | meta_id int AUTO_INCREMENT NOT NULL, | |
130 | user_id int NOT NULL, | |
131 | meta_key VARCHAR(255) NOT NULL, | |
132 | meta_value VARCHAR(255), | |
133 | PRIMARY KEY (meta_id) | |
134 | )"); | |
135 | $conn->query("CREATE TABLE IF NOT EXISTS " . SQL_PREFIX . "auth_settings ( | |
136 | id int AUTO_INCREMENT NOT NULL, | |
137 | setting_key VARCHAR(255) NOT NULL, | |
138 | setting_value VARCHAR(255), | |
139 | PRIMARY KEY (id) | |
140 | )"); | |
141 | $conn->query("CREATE TABLE IF NOT EXISTS " . SQL_PREFIX . "fail2ban ( | |
142 | id int AUTO_INCREMENT NOT NULL, | |
143 | ip VARCHAR(255) NOT NULL, | |
144 | count VARCHAR(255), | |
145 | PRIMARY KEY (id) | |
146 | )"); | |
147 | $c = []; | |
148 | if (($columns = $conn->query("SHOW COLUMNS FROM ".SQL_PREFIX."user_meta"))); | |
149 | $c = $columns->fetchAll(); | |
150 | if (!empty($c)) | |
151 | $conn->query("ALTER TABLE `".SQL_PREFIX."user_meta` CHANGE `meta_value` `meta_value` VARCHAR(5000) CHARACTER SET utf8mb3 COLLATE utf8mb3_bin NULL DEFAULT NULL"); | |
152 | ||
153 | ||
154 | new AuthSettings(); | |
155 | } | |
156 | ||
157 | /* We convert $u with a full user as an object ;D*/ | |
158 | public static function get_user(&$u) | |
159 | { | |
160 | $id = $u['id']; | |
161 | $name = $u['name']; | |
162 | $conn = sqlnew(); | |
163 | ||
164 | if ($id) | |
165 | { | |
166 | $prep = $conn->prepare("SELECT * FROM " . SQL_PREFIX . "users WHERE user_id = :id LIMIT 1"); | |
167 | $prep->execute(["id" => strtolower($id)]); | |
168 | } | |
169 | elseif ($name) | |
170 | { | |
171 | $prep = $conn->prepare("SELECT * FROM " . SQL_PREFIX . "users WHERE LOWER(user_name) = :name LIMIT 1"); | |
172 | $prep->execute(["name" => strtolower($name)]); | |
173 | } | |
174 | $data = NULL; | |
175 | $obj = (object) []; | |
176 | if ($prep) | |
177 | $data = $prep->fetchAll(); | |
178 | if (isset($data[0]) && $data = $data[0]) | |
179 | { | |
180 | $obj->id = $data['user_id']; | |
181 | $obj->username = $data['user_name']; | |
182 | $obj->passhash = $data['user_pass']; | |
183 | $obj->first_name = $data['user_fname'] ?? NULL; | |
184 | $obj->last_name = $data['user_lname'] ?? NULL; | |
185 | $obj->created = $data['created']; | |
186 | $obj->bio = $data['user_bio']; | |
187 | $obj->email = $data['user_email']; | |
188 | $obj->user_meta = (new PanelUser_Meta($obj->id))->list; | |
189 | } | |
190 | $u['object'] = $obj; | |
191 | } | |
192 | ||
193 | public static function get_usermeta(&$u) | |
194 | { | |
195 | $list = &$u['meta']; | |
196 | $id = $u['id']; | |
197 | $conn = sqlnew(); | |
198 | if (isset($id)) | |
199 | { | |
200 | $prep = $conn->prepare("SELECT * FROM " . SQL_PREFIX . "user_meta WHERE user_id = :id"); | |
201 | $prep->execute(["id" => $id]); | |
202 | } | |
203 | foreach ($prep->fetchAll() as $row) | |
204 | { | |
205 | $list[$row['meta_key']] = $row['meta_value']; | |
206 | } | |
207 | } | |
208 | ||
209 | public static function add_usermeta(&$meta) | |
210 | { | |
211 | $meta = $meta['meta']; | |
212 | $conn = sqlnew(); | |
213 | /* check if it exists first, update it if it does */ | |
214 | $query = "SELECT * FROM " . SQL_PREFIX . "user_meta WHERE user_id = :id AND meta_key = :key"; | |
215 | $stmt = $conn->prepare($query); | |
216 | $stmt->execute(["id" => $meta['id'], "key" => $meta['key']]); | |
217 | if ($stmt->rowCount()) // it exists, update instead of insert | |
218 | { | |
219 | $query = "UPDATE " . SQL_PREFIX . "user_meta SET meta_value = :value WHERE user_id = :id AND meta_key = :key"; | |
220 | $stmt = $conn->prepare($query); | |
221 | $stmt->execute($meta); | |
222 | if ($stmt->rowCount()) | |
223 | return true; | |
224 | return false; | |
225 | } | |
226 | ||
227 | else | |
228 | { | |
229 | $query = "INSERT INTO " . SQL_PREFIX . "user_meta (user_id, meta_key, meta_value) VALUES (:id, :key, :value)"; | |
230 | $stmt = $conn->prepare($query); | |
231 | $stmt->execute($meta); | |
232 | if ($stmt->rowCount()) | |
233 | return true; | |
234 | return false; | |
235 | } | |
236 | } | |
237 | public static function del_usermeta(&$u) | |
238 | { | |
239 | $conn = sqlnew(); | |
240 | $query = "DELETE FROM " . SQL_PREFIX . "user_meta WHERE user_id = :id AND meta_key = :key"; | |
241 | $stmt = $conn->prepare($query); | |
242 | $stmt->execute($u['meta']); | |
243 | if ($stmt->rowCount()) | |
244 | return true; | |
245 | return false; | |
246 | } | |
247 | public static function user_create(&$u) | |
248 | { | |
249 | $username = $u['user_name']; | |
250 | $first_name = $u['fname'] ?? NULL; | |
251 | $last_name = $u['lname'] ?? NULL; | |
252 | $password = $u['user_pass'] ?? NULL; | |
253 | $user_bio = $u['user_bio'] ?? NULL; | |
254 | $user_email = $u['user_email'] ?? NULL; | |
255 | $conn = sqlnew(); | |
256 | $prep = $conn->prepare("INSERT INTO " . SQL_PREFIX . "users (user_name, user_pass, user_fname, user_lname, user_bio, user_email, created) VALUES (:name, :pass, :fname, :lname, :user_bio, :user_email, :created)"); | |
257 | $prep->execute(["name" => $username, "pass" => $password, "fname" => $first_name, "lname" => $last_name, "user_bio" => $user_bio, "user_email" => $user_email, "created" => date("Y-m-d H:i:s")]); | |
258 | if ($prep->rowCount()) | |
259 | $u['success'] = true; | |
260 | else | |
261 | $u['errmsg'][] = "Could not add user"; | |
262 | } | |
263 | ||
264 | public static function get_user_list(&$list) | |
265 | { | |
266 | $conn = sqlnew(); | |
267 | $result = $conn->query("SELECT user_id FROM " . SQL_PREFIX . "users"); | |
268 | if (!$result) // impossible | |
269 | { | |
270 | die("Something went wrong."); | |
271 | } | |
272 | $userlist = []; | |
273 | while($row = $result->fetch()) | |
274 | { | |
275 | $userlist[] = new PanelUser(NULL, $row['user_id']); | |
276 | } | |
277 | if (!empty($userlist)) | |
278 | $list = $userlist; | |
279 | ||
280 | } | |
281 | public static function user_delete(&$u) | |
282 | { | |
283 | $user = $u['user']; | |
284 | $query = "DELETE FROM " . SQL_PREFIX . "users WHERE user_id = :id"; | |
285 | $conn = sqlnew(); | |
286 | $stmt = $conn->prepare($query); | |
287 | $stmt->execute(["id" => $user->id]); | |
288 | $deleted = $stmt->rowCount(); | |
289 | if ($deleted) | |
290 | { | |
291 | $u['info'][] = "Successfully deleted user \"$user->username\""; | |
292 | $u['boolint'] = 1; | |
293 | } else { | |
294 | $u['info'][] = "Unknown error"; | |
295 | $u['boolint'] = 0; | |
296 | } | |
297 | } | |
298 | ||
299 | public static function edit_core($arr) | |
300 | { | |
301 | $conn = sqlnew(); | |
302 | $user = $arr['user']; | |
303 | $info = $arr['info']; | |
304 | foreach($info as $key => $val) | |
305 | { | |
306 | if (!$val) | |
307 | continue; | |
308 | if (!strcmp($key,"update_fname")) | |
309 | $value = "user_fname"; | |
310 | ||
311 | elseif (!strcmp($key,"update_lname")) | |
312 | $value = "user_lname"; | |
313 | ||
314 | elseif (!strcmp($key,"update_bio")) | |
315 | $value = "user_bio"; | |
316 | ||
317 | elseif (!strcmp($key,"update_pass") || !strcmp($key,"update_pass_conf")) | |
318 | $value = "user_pass"; | |
319 | ||
320 | elseif(!strcmp($key,"update_email")) | |
321 | $value = "user_email"; | |
322 | else | |
323 | die("Malfunction"); | |
324 | $query = "UPDATE " . SQL_PREFIX . "users SET $value=:value WHERE user_id = :id"; | |
325 | $stmt = $conn->prepare($query); | |
326 | $stmt->execute(["value" => $val, "id" => $user->id]); | |
327 | } | |
328 | } | |
329 | } | |
330 | ||
331 | ||
332 | function security_check() | |
333 | { | |
334 | $ip = $_SERVER['REMOTE_ADDR']; | |
335 | if (dnsbl_check($ip)) | |
336 | return true; | |
337 | ||
338 | else if (fail2ban_check($ip)) | |
339 | { | |
340 | ||
341 | } | |
342 | } | |
343 | ||
344 | function dnsbl_check($ip) | |
345 | { | |
346 | ||
347 | if (!defined('DNSBL')) | |
348 | return; | |
349 | $dnsbl_lookup = DNSBL; | |
350 | ||
351 | // clear variable just in case | |
352 | $listed = NULL; | |
353 | ||
354 | // if the IP was not given because you're an idiot, stop processing | |
355 | if (!$ip) { return; } | |
356 | ||
357 | // get the first two segments of the IPv4 | |
358 | $because = split($ip, "."); // why you | |
359 | $you = $because[1]; // gotta play | |
360 | $want = $because[2]; // that song | |
361 | $to = $you.".".$want."."; // so loud? | |
362 | ||
363 | // exempt local connections because sometimes they get a false positive | |
364 | if ($to == "192.168." || $to == "127.0.") { return NULL; } | |
365 | ||
366 | // you spin my IP right round, right round, to check the records baby, right round-round-round | |
367 | $reverse_ip = glue(array_reverse(split($ip, ".")), "."); | |
368 | ||
369 | // checkem | |
370 | foreach ($dnsbl_lookup as $host) { | |
371 | ||
372 | //if it was listed | |
373 | if (checkdnsrr($reverse_ip . "." . $host . ".", "A")) { | |
374 | ||
375 | //take note | |
376 | $listed = $host; | |
377 | } | |
378 | } | |
379 | ||
380 | // if it was safe, return NOTHING | |
381 | if (!$listed) { | |
382 | return NULL; | |
383 | } | |
384 | ||
385 | // else, you guessed it, return where it was listed | |
386 | else { | |
387 | return $listed; | |
388 | } | |
389 | } | |
390 | ||
391 | function fail2ban_check($ip) | |
392 | { | |
393 | ||
394 | } |