Rev 1181 | Rev 1190 | Go to most recent revision | Only display areas with differences | Regard whitespace | Details | Blame | Last modification | View Log | RSS feed
Rev 1181 | Rev 1182 | ||
---|---|---|---|
1 | <?php |
1 | <?php |
2 | 2 | ||
3 | /* |
3 | /* |
4 | * OIDplus 2.0 |
4 | * OIDplus 2.0 |
5 | * Copyright 2019 - 2023 Daniel Marschall, ViaThinkSoft |
5 | * Copyright 2019 - 2023 Daniel Marschall, ViaThinkSoft |
6 | * |
6 | * |
7 | * Licensed under the Apache License, Version 2.0 (the "License"); |
7 | * Licensed under the Apache License, Version 2.0 (the "License"); |
8 | * you may not use this file except in compliance with the License. |
8 | * you may not use this file except in compliance with the License. |
9 | * You may obtain a copy of the License at |
9 | * You may obtain a copy of the License at |
10 | * |
10 | * |
11 | * http://www.apache.org/licenses/LICENSE-2.0 |
11 | * http://www.apache.org/licenses/LICENSE-2.0 |
12 | * |
12 | * |
13 | * Unless required by applicable law or agreed to in writing, software |
13 | * Unless required by applicable law or agreed to in writing, software |
14 | * distributed under the License is distributed on an "AS IS" BASIS, |
14 | * distributed under the License is distributed on an "AS IS" BASIS, |
15 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
15 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
16 | * See the License for the specific language governing permissions and |
16 | * See the License for the specific language governing permissions and |
17 | * limitations under the License. |
17 | * limitations under the License. |
18 | */ |
18 | */ |
19 | 19 | ||
20 | use ViaThinkSoft\OIDplus\OIDplus; |
20 | use ViaThinkSoft\OIDplus\OIDplus; |
21 | use ViaThinkSoft\OIDplus\OIDplusException; |
21 | use ViaThinkSoft\OIDplus\OIDplusException; |
22 | 22 | ||
23 | /** |
23 | /** |
24 | * @param string $privKey |
24 | * @param string $privKey |
25 | * @return bool |
25 | * @return bool |
26 | */ |
26 | */ |
27 | function is_privatekey_encrypted(string $privKey): bool { |
27 | function is_privatekey_encrypted(string $privKey): bool { |
28 | return strpos($privKey,'BEGIN ENCRYPTED PRIVATE KEY') !== false; |
28 | return strpos($privKey,'BEGIN ENCRYPTED PRIVATE KEY') !== false; |
29 | } |
29 | } |
30 | 30 | ||
31 | /** |
31 | /** |
32 | * @param string $privKey |
32 | * @param string $privKey |
33 | * @param string $pubKey |
33 | * @param string $pubKey |
34 | * @return bool |
34 | * @return bool |
35 | */ |
35 | */ |
36 | function verify_private_public_key(string $privKey, string $pubKey): bool { |
36 | function verify_private_public_key(string $privKey, string $pubKey): bool { |
37 | if (!function_exists('openssl_public_encrypt')) return false; |
37 | if (!function_exists('openssl_public_encrypt')) return false; |
38 | try { |
38 | try { |
39 | if (empty($privKey)) return false; |
39 | if (empty($privKey)) return false; |
40 | if (empty($pubKey)) return false; |
40 | if (empty($pubKey)) return false; |
41 | $data = generateRandomString(25); |
41 | $data = generateRandomString(25); |
42 | $encrypted = ''; |
42 | $encrypted = ''; |
43 | $decrypted = ''; |
43 | $decrypted = ''; |
44 | if (!@openssl_public_encrypt($data, $encrypted, $pubKey)) return false; |
44 | if (!@openssl_public_encrypt($data, $encrypted, $pubKey)) return false; |
45 | if (!@openssl_private_decrypt($encrypted, $decrypted, $privKey)) return false; |
45 | if (!@openssl_private_decrypt($encrypted, $decrypted, $privKey)) return false; |
46 | return $decrypted == $data; |
46 | return $decrypted == $data; |
47 | } catch (\Exception $e) { |
47 | } catch (\Exception $e) { |
48 | return false; |
48 | return false; |
49 | } |
49 | } |
50 | } |
50 | } |
51 | 51 | ||
52 | /** |
52 | /** |
53 | * @param string $privKeyOld |
53 | * @param string $privKeyOld |
54 | * @param string|null $passphrase_old |
54 | * @param string|null $passphrase_old |
55 | * @param string|null $passphrase_new |
55 | * @param string|null $passphrase_new |
56 | * @return false|string |
56 | * @return false|string |
57 | */ |
57 | */ |
58 | function change_private_key_passphrase(string $privKeyOld, string $passphrase_old=null, string $passphrase_new=null) { |
58 | function change_private_key_passphrase(string $privKeyOld, string $passphrase_old=null, string $passphrase_new=null) { |
59 | $pkey_config = array( |
59 | $pkey_config = array( |
60 | //"digest_alg" => "sha512", |
60 | //"digest_alg" => "sha512", |
61 | //"private_key_bits" => 2048, |
61 | //"private_key_bits" => 2048, |
62 | //"private_key_type" => OPENSSL_KEYTYPE_RSA, |
62 | //"private_key_type" => OPENSSL_KEYTYPE_RSA, |
63 | "config" => class_exists(OIDplus::class) ? OIDplus::getOpenSslCnf() : @getenv('OPENSSL_CONF') |
63 | "config" => class_exists(OIDplus::class) ? OIDplus::getOpenSslCnf() : @getenv('OPENSSL_CONF') |
64 | ); |
64 | ); |
65 | $privKeyNew = @openssl_pkey_get_private($privKeyOld, $passphrase_old); |
65 | $privKeyNew = @openssl_pkey_get_private($privKeyOld, $passphrase_old); |
66 | if ($privKeyNew === false) return false; |
66 | if ($privKeyNew === false) return false; |
67 | if (!@openssl_pkey_export($privKeyNew, $privKeyNewExport, $passphrase_new, $pkey_config)) return false; |
67 | if (!@openssl_pkey_export($privKeyNew, $privKeyNewExport, $passphrase_new, $pkey_config)) return false; |
68 | if ($privKeyNewExport === "") return false; |
68 | if ($privKeyNewExport === "") return false; |
69 | return "$privKeyNewExport"; |
69 | return "$privKeyNewExport"; |
70 | } |
70 | } |
71 | 71 | ||
72 | /** |
72 | /** |
73 | * @param string $privKey |
73 | * @param string $privKey |
74 | * @param string $passphrase |
74 | * @param string $passphrase |
75 | * @return false|string |
75 | * @return false|string |
76 | */ |
76 | */ |
77 | function decrypt_private_key(string $privKey, string $passphrase) { |
77 | function decrypt_private_key(string $privKey, string $passphrase) { |
78 | return change_private_key_passphrase($privKey, $passphrase, null); |
78 | return change_private_key_passphrase($privKey, $passphrase, null); |
79 | } |
79 | } |
80 | 80 | ||
81 | /** |
81 | /** |
82 | * @param string $privKey |
82 | * @param string $privKey |
83 | * @param string $passphrase |
83 | * @param string $passphrase |
84 | * @return false|string |
84 | * @return false|string |
85 | */ |
85 | */ |
86 | function encrypt_private_key(string $privKey, string $passphrase) { |
86 | function encrypt_private_key(string $privKey, string $passphrase) { |
87 | return change_private_key_passphrase($privKey, null, $passphrase); |
87 | return change_private_key_passphrase($privKey, null, $passphrase); |
88 | } |
88 | } |
89 | 89 | ||
90 | /** |
90 | /** |
91 | * @param string $data |
91 | * @param string $data |
92 | * @return int |
92 | * @return int |
93 | */ |
93 | */ |
94 | function smallhash(string $data): int { // get 31 bits from SHA1. Values 0..2147483647 |
94 | function smallhash(string $data): int { // get 31 bits from SHA1. Values 0..2147483647 |
95 | return (hexdec(substr(sha1($data),-4*2)) & 0x7FFFFFFF); |
95 | return (hexdec(substr(sha1($data),-4*2)) & 0x7FFFFFFF); |
96 | } |
96 | } |
97 | 97 | ||
98 | /** |
98 | /** |
99 | * @param string $name |
99 | * @param string $name |
100 | * @return array |
100 | * @return array |
101 | */ |
101 | */ |
102 | function split_firstname_lastname(string $name): array { |
102 | function split_firstname_lastname(string $name): array { |
103 | $ary = explode(' ', $name); |
103 | $ary = explode(' ', $name); |
104 | $last_name = array_pop($ary); |
104 | $last_name = array_pop($ary); |
105 | $first_name = implode(' ', $ary); |
105 | $first_name = implode(' ', $ary); |
106 | return array($first_name, $last_name); |
106 | return array($first_name, $last_name); |
107 | } |
107 | } |
108 | 108 | ||
109 | /** |
109 | /** |
110 | * @return void |
110 | * @return void |
111 | */ |
111 | */ |
112 | function originHeaders() { |
112 | function originHeaders() { |
113 | // CORS |
113 | // CORS |
114 | // Author: Till Wehowski |
114 | // Author: Till Wehowski |
115 | // TODO: add to class OIDplus |
115 | // TODO: add to class OIDplus |
116 | 116 | ||
117 | header("Access-Control-Allow-Credentials: true"); |
117 | header("Access-Control-Allow-Credentials: true"); |
118 | header("Access-Control-Allow-Origin: ".strip_tags(((isset($_SERVER['HTTP_ORIGIN'])) ? $_SERVER['HTTP_ORIGIN'] : "*"))); |
118 | header("Access-Control-Allow-Origin: ".strip_tags(((isset($_SERVER['HTTP_ORIGIN'])) ? $_SERVER['HTTP_ORIGIN'] : "*"))); |
119 | 119 | ||
120 | header("Access-Control-Allow-Headers: If-None-Match, X-Requested-With, Origin, X-Frdlweb-Bugs, Etag, X-Forgery-Protection-Token, X-CSRF-Token"); |
120 | header("Access-Control-Allow-Headers: If-None-Match, X-Requested-With, Origin, X-Frdlweb-Bugs, Etag, X-Forgery-Protection-Token, X-CSRF-Token"); |
121 | 121 | ||
122 | if (isset($_SERVER['HTTP_ORIGIN'])) { |
122 | if (isset($_SERVER['HTTP_ORIGIN'])) { |
123 | header('X-Frame-Options: ALLOW-FROM '.$_SERVER['HTTP_ORIGIN']); |
123 | header('X-Frame-Options: ALLOW-FROM '.$_SERVER['HTTP_ORIGIN']); |
124 | } else { |
124 | } else { |
125 | header_remove("X-Frame-Options"); |
125 | header_remove("X-Frame-Options"); |
126 | } |
126 | } |
127 | 127 | ||
128 | $expose = array('Etag', 'X-CSRF-Token'); |
128 | $expose = array('Etag', 'X-CSRF-Token'); |
129 | foreach (headers_list() as $num => $header) { |
129 | foreach (headers_list() as $num => $header) { |
130 | $h = explode(':', $header); |
130 | $h = explode(':', $header); |
131 | $expose[] = trim($h[0]); |
131 | $expose[] = trim($h[0]); |
132 | } |
132 | } |
133 | header("Access-Control-Expose-Headers: ".implode(',',$expose)); |
133 | header("Access-Control-Expose-Headers: ".implode(',',$expose)); |
134 | 134 | ||
135 | header("Vary: Origin"); |
135 | header("Vary: Origin"); |
136 | } |
136 | } |
137 | 137 | ||
138 | if (!function_exists('mb_wordwrap')) { |
138 | if (!function_exists('mb_wordwrap')) { |
139 | /** |
139 | /** |
140 | * @param string $str |
140 | * @param string $str |
141 | * @param int $width |
141 | * @param int $width |
142 | * @param string $break |
142 | * @param string $break |
143 | * @param bool $cut |
143 | * @param bool $cut |
144 | * @return string |
144 | * @return string |
145 | */ |
145 | */ |
146 | function mb_wordwrap(string $str, int $width = 75, string $break = "\n", bool $cut = false): string { |
146 | function mb_wordwrap(string $str, int $width = 75, string $break = "\n", bool $cut = false): string { |
147 | // https://stackoverflow.com/a/4988494/488539 |
147 | // https://stackoverflow.com/a/4988494/488539 |
148 | $lines = explode($break, $str); |
148 | $lines = explode($break, $str); |
149 | foreach ($lines as &$line) { |
149 | foreach ($lines as &$line) { |
150 | $line = rtrim($line); |
150 | $line = rtrim($line); |
151 | if (mb_strlen($line) <= $width) { |
151 | if (mb_strlen($line) <= $width) { |
152 | continue; |
152 | continue; |
153 | } |
153 | } |
154 | $words = explode(' ', $line); |
154 | $words = explode(' ', $line); |
155 | $line = ''; |
155 | $line = ''; |
156 | $actual = ''; |
156 | $actual = ''; |
157 | foreach ($words as $word) { |
157 | foreach ($words as $word) { |
158 | if (mb_strlen($actual.$word) <= $width) { |
158 | if (mb_strlen($actual.$word) <= $width) { |
159 | $actual .= $word.' '; |
159 | $actual .= $word.' '; |
160 | } else { |
160 | } else { |
161 | if ($actual != '') { |
161 | if ($actual != '') { |
162 | $line .= rtrim($actual).$break; |
162 | $line .= rtrim($actual).$break; |
163 | } |
163 | } |
164 | $actual = $word; |
164 | $actual = $word; |
165 | if ($cut) { |
165 | if ($cut) { |
166 | while (mb_strlen($actual) > $width) { |
166 | while (mb_strlen($actual) > $width) { |
167 | $line .= mb_substr($actual, 0, $width).$break; |
167 | $line .= mb_substr($actual, 0, $width).$break; |
168 | $actual = mb_substr($actual, $width); |
168 | $actual = mb_substr($actual, $width); |
169 | } |
169 | } |
170 | } |
170 | } |
171 | $actual .= ' '; |
171 | $actual .= ' '; |
172 | } |
172 | } |
173 | } |
173 | } |
174 | $line .= trim($actual); |
174 | $line .= trim($actual); |
175 | } |
175 | } |
176 | return implode($break, $lines); |
176 | return implode($break, $lines); |
177 | } |
177 | } |
178 | } |
178 | } |
179 | 179 | ||
180 | /** |
180 | /** |
181 | * @param string $out |
181 | * @param string $out |
182 | * @param string $contentType |
182 | * @param string $contentType |
183 | * @param string $filename |
183 | * @param string $filename |
184 | * @return void |
184 | * @return void |
185 | */ |
185 | */ |
186 | function httpOutWithETag(string $out, string $contentType, string $filename='') { |
186 | function httpOutWithETag(string $out, string $contentType, string $filename='') { |
187 | $etag = md5($out); |
187 | $etag = md5($out); |
188 | header("Etag: $etag"); |
188 | header("Etag: $etag"); |
189 | header("Content-MD5: $etag"); // RFC 2616 clause 14.15 |
189 | header("Content-MD5: $etag"); // RFC 2616 clause 14.15 |
190 | if (isset($_SERVER['HTTP_IF_NONE_MATCH']) && (trim($_SERVER['HTTP_IF_NONE_MATCH']) == $etag)) { |
190 | if (isset($_SERVER['HTTP_IF_NONE_MATCH']) && (trim($_SERVER['HTTP_IF_NONE_MATCH']) == $etag)) { |
191 | if (PHP_SAPI != 'cli') @http_response_code(304); // 304 Not Modified |
191 | if (PHP_SAPI != 'cli') @http_response_code(304); // 304 Not Modified |
192 | } else { |
192 | } else { |
193 | header("Content-Type: $contentType"); |
193 | header("Content-Type: $contentType"); |
194 | if (!empty($filename)) { |
194 | if (!empty($filename)) { |
195 | header('Content-Disposition:inline; filename="'.$filename.'"'); |
195 | header('Content-Disposition:inline; filename="'.$filename.'"'); |
196 | } |
196 | } |
197 | echo $out; |
197 | echo $out; |
198 | } |
198 | } |
199 | die(); |
199 | die(); |
200 | } |
200 | } |
201 | 201 | ||
202 | /** |
202 | /** |
203 | * @param string $str |
203 | * @param string $str |
204 | * @param array $args |
204 | * @param array $args |
205 | * @return string |
205 | * @return string |
206 | */ |
206 | */ |
207 | function my_vsprintf(string $str, array $args): string { |
207 | function my_vsprintf(string $str, array $args): string { |
208 | $n = 1; |
208 | $n = 1; |
209 | foreach ($args as $val) { |
209 | foreach ($args as $val) { |
210 | $str = str_replace("%$n", $val, $str); |
210 | $str = str_replace("%$n", $val, $str); |
211 | $n++; |
211 | $n++; |
212 | } |
212 | } |
213 | return str_replace("%%", "%", $str); |
213 | return str_replace("%%", "%", $str); |
214 | } |
214 | } |
215 | 215 | ||
216 | /** |
216 | /** |
217 | * @param string $str |
217 | * @param string $str |
218 | * @param mixed ...$sprintfArgs |
218 | * @param mixed ...$sprintfArgs |
219 | * @return string |
219 | * @return string |
220 | * @throws \ViaThinkSoft\OIDplus\OIDplusConfigInitializationException |
220 | * @throws \ViaThinkSoft\OIDplus\OIDplusConfigInitializationException |
221 | * @throws \ViaThinkSoft\OIDplus\OIDplusException |
221 | * @throws \ViaThinkSoft\OIDplus\OIDplusException |
222 | */ |
222 | */ |
223 | function _L(string $str, ...$sprintfArgs): string { |
223 | function _L(string $str, ...$sprintfArgs): string { |
224 | static $translation_array = array(); |
224 | static $translation_array = array(); |
225 | static $translation_loaded = null; |
225 | static $translation_loaded = null; |
226 | 226 | ||
227 | $str = trim($str); |
227 | $str = trim($str); |
228 | 228 | ||
229 | if (!class_exists(OIDplus::class)) { |
229 | if (!class_exists(OIDplus::class)) { |
230 | return my_vsprintf($str, $sprintfArgs); |
230 | return my_vsprintf($str, $sprintfArgs); |
231 | } |
231 | } |
232 | 232 | ||
233 | $lang = OIDplus::getCurrentLang(); |
233 | $lang = OIDplus::getCurrentLang(); |
234 | $ta = OIDplus::getTranslationArray($lang); |
234 | $ta = OIDplus::getTranslationArray($lang); |
235 | $res = $ta[$lang][$str] ?? $str; |
235 | $res = $ta[$lang][$str] ?? $str; |
236 | 236 | ||
237 | $res = str_replace('###', OIDplus::baseConfig()->getValue('TABLENAME_PREFIX', ''), $res); |
237 | $res = str_replace('###', OIDplus::baseConfig()->getValue('TABLENAME_PREFIX', ''), $res); |
238 | 238 | ||
239 | return my_vsprintf($res, $sprintfArgs); |
239 | return my_vsprintf($res, $sprintfArgs); |
240 | } |
240 | } |
241 | 241 | ||
242 | /** |
242 | /** |
243 | * @param array $params |
243 | * @param array $params |
244 | * @param string $key |
244 | * @param string $key |
245 | * @return void |
245 | * @return void |
246 | * @throws \ViaThinkSoft\OIDplus\OIDplusConfigInitializationException |
246 | * @throws \ViaThinkSoft\OIDplus\OIDplusConfigInitializationException |
247 | * @throws \ViaThinkSoft\OIDplus\OIDplusException |
247 | * @throws \ViaThinkSoft\OIDplus\OIDplusException |
248 | */ |
248 | */ |
249 | function _CheckParamExists(array $params, string $key) { |
249 | function _CheckParamExists(array $params, string $key) { |
250 | if (class_exists(OIDplusException::class)) { |
250 | if (class_exists(OIDplusException::class)) { |
251 | if (!isset($params[$key])) throw new OIDplusException(_L('Parameter %1 is missing', $key)); |
251 | if (!isset($params[$key])) throw new OIDplusException(_L('Parameter %1 is missing', $key)); |
252 | } else { |
252 | } else { |
253 | if (!isset($params[$key])) throw new Exception(_L('Parameter %1 is missing', $key)); |
253 | if (!isset($params[$key])) throw new Exception(_L('Parameter %1 is missing', $key)); |
254 | } |
254 | } |
255 | } |
255 | } |
256 | 256 | ||
257 | /** |
257 | /** |
258 | * @param string $cont |
258 | * @param string $cont |
259 | * @return array |
259 | * @return array |
260 | */ |
260 | */ |
261 | function extractHtmlContents(string $cont): array { |
261 | function extractHtmlContents(string $cont): array { |
262 | // make sure the program works even if the user provided HTML is not UTF-8 |
262 | // make sure the program works even if the user provided HTML is not UTF-8 |
263 | $cont = convert_to_utf8_no_bom($cont); |
263 | $cont = convert_to_utf8_no_bom($cont); |
264 | 264 | ||
265 | $out_js = ''; |
265 | $out_js = ''; |
266 | $m = array(); |
266 | $m = array(); |
267 | preg_match_all('@<script[^>]*>(.+)</script>@ismU', $cont, $m); |
267 | preg_match_all('@<script[^>]*>(.+)</script>@ismU', $cont, $m); |
268 | foreach ($m[1] as $x) { |
268 | foreach ($m[1] as $x) { |
269 | $out_js = $x . "\n\n"; |
269 | $out_js = $x . "\n\n"; |
270 | } |
270 | } |
271 | 271 | ||
272 | $out_css = ''; |
272 | $out_css = ''; |
273 | $m = array(); |
273 | $m = array(); |
274 | preg_match_all('@<style[^>]*>(.+)</style>@ismU', $cont, $m); |
274 | preg_match_all('@<style[^>]*>(.+)</style>@ismU', $cont, $m); |
275 | foreach ($m[1] as $x) { |
275 | foreach ($m[1] as $x) { |
276 | $out_css = $x . "\n\n"; |
276 | $out_css = $x . "\n\n"; |
277 | } |
277 | } |
278 | 278 | ||
279 | $out_html = $cont; |
279 | $out_html = $cont; |
280 | $out_html = preg_replace('@^(.+)<body[^>]*>@isU', '', $out_html); |
280 | $out_html = preg_replace('@^(.+)<body[^>]*>@isU', '', $out_html); |
281 | $out_html = preg_replace('@</body>.+$@isU', '', $out_html); |
281 | $out_html = preg_replace('@</body>.+$@isU', '', $out_html); |
282 | $out_html = preg_replace('@<title>.+</title>@isU', '', $out_html); |
282 | $out_html = preg_replace('@<title>.+</title>@isU', '', $out_html); |
283 | $out_html = preg_replace('@<h1>.+</h1>@isU', '', $out_html, 1); |
283 | $out_html = preg_replace('@<h1>.+</h1>@isU', '', $out_html, 1); |
284 | $out_html = preg_replace('@<script[^>]*>(.+)</script>@ismU', '', $out_html); |
284 | $out_html = preg_replace('@<script[^>]*>(.+)</script>@ismU', '', $out_html); |
285 | $out_html = preg_replace('@<style[^>]*>(.+)</style>@ismU', '', $out_html); |
285 | $out_html = preg_replace('@<style[^>]*>(.+)</style>@ismU', '', $out_html); |
286 | 286 | ||
287 | return array($out_html, $out_js, $out_css); |
287 | return array($out_html, $out_js, $out_css); |
288 | } |
288 | } |
289 | 289 | ||
290 | /** |
290 | /** |
291 | * @param string $password |
291 | * @param string $password |
292 | * @param bool $raw_output |
292 | * @param bool $raw_output |
293 | * @return string |
293 | * @return string |
294 | * @throws Exception |
294 | * @throws Exception |
295 | */ |
295 | */ |
296 | function sha3_512(string $password, bool $raw_output=false): string { |
296 | function sha3_512(string $password, bool $raw_output=false): string { |
297 | if (hash_supported_natively('sha3-512')) { |
297 | if (hash_supported_natively('sha3-512')) { |
298 | return hash('sha3-512', $password, $raw_output); |
298 | return hash('sha3-512', $password, $raw_output); |
299 | } else { |
299 | } else { |
300 | return \bb\Sha3\Sha3::hash($password, 512, $raw_output); |
300 | return \bb\Sha3\Sha3::hash($password, 512, $raw_output); |
301 | } |
301 | } |
302 | } |
302 | } |
303 | 303 | ||
304 | /** |
304 | /** |
305 | * @param string $message |
305 | * @param string $message |
306 | * @param string $key |
306 | * @param string $key |
307 | * @param bool $raw_output |
307 | * @param bool $raw_output |
308 | * @return string |
308 | * @return string |
309 | */ |
309 | */ |
310 | function sha3_512_hmac(string $message, string $key, bool $raw_output=false): string { |
310 | function sha3_512_hmac(string $message, string $key, bool $raw_output=false): string { |
311 | // RFC 2104 HMAC |
311 | // RFC 2104 HMAC |
312 | if (hash_hmac_supported_natively('sha3-512')) { |
312 | if (hash_hmac_supported_natively('sha3-512')) { |
313 | return hash_hmac('sha3-512', $message, $key, $raw_output); |
313 | return hash_hmac('sha3-512', $message, $key, $raw_output); |
314 | } else { |
314 | } else { |
315 | return \bb\Sha3\Sha3::hash_hmac($message, $key, 512, $raw_output); |
315 | return \bb\Sha3\Sha3::hash_hmac($message, $key, 512, $raw_output); |
316 | } |
316 | } |
317 | } |
317 | } |
318 | 318 | ||
319 | /** |
319 | /** |
320 | * @param string $password |
320 | * @param string $password |
321 | * @param string $salt |
321 | * @param string $salt |
322 | * @param int $iterations |
322 | * @param int $iterations |
323 | * @param int $length |
323 | * @param int $length |
324 | * @param bool $binary |
324 | * @param bool $binary |
325 | * @return string |
325 | * @return string |
326 | */ |
326 | */ |
327 | function sha3_512_pbkdf2(string $password, string $salt, int $iterations, int $length=0, bool $binary=false): string { |
327 | function sha3_512_pbkdf2(string $password, string $salt, int $iterations, int $length=0, bool $binary=false): string { |
328 | if (hash_pbkdf2_supported_natively('sha3-512')) { |
328 | if (hash_pbkdf2_supported_natively('sha3-512')) { |
329 | return hash_pbkdf2('sha3-512', $password, $salt, $iterations, $length, $binary); |
329 | return hash_pbkdf2('sha3-512', $password, $salt, $iterations, $length, $binary); |
330 | } else { |
330 | } else { |
331 | return \bb\Sha3\Sha3::hash_pbkdf2($password, $salt, $iterations, 512, $length, $binary); |
331 | return \bb\Sha3\Sha3::hash_pbkdf2($password, $salt, $iterations, 512, $length, $binary); |
332 | } |
332 | } |
333 | } |
333 | } |
334 | 334 | ||
335 | /** |
335 | /** |
336 | * @param bool $require_ssl |
336 | * @param bool $require_ssl |
337 | * @param string|null $reason |
337 | * @param string|null $reason |
338 | * @return bool |
338 | * @return bool |
339 | * @throws OIDplusException |
339 | * @throws OIDplusException |
340 | * @throws \ViaThinkSoft\OIDplus\OIDplusConfigInitializationException |
340 | * @throws \ViaThinkSoft\OIDplus\OIDplusConfigInitializationException |
341 | */ |
341 | */ |
342 | function url_post_contents_available(bool $require_ssl=true, string &$reason=null): bool { |
342 | function url_post_contents_available(bool $require_ssl=true, string &$reason=null): bool { |
- | 343 | if (class_exists(OIDplus::class)) { |
|
- | 344 | if (OIDplus::baseConfig()->getValue('OFFLINE_MODE', false)) { |
|
- | 345 | $reason = _L('OIDplus is running in offline mode due to the base configuration setting %1.', 'OFFLINE_MODE'); |
|
- | 346 | return false; |
|
- | 347 | } |
|
- | 348 | } |
|
- | 349 | ||
343 | if (function_exists('curl_init')) { |
350 | if (function_exists('curl_init')) { |
344 | return true; |
351 | return true; |
345 | } else { |
352 | } else { |
346 | $reason = _L('Please install the PHP extension %1, so that OIDplus can connect to the Internet.', '<code>php_curl</code>'); |
353 | $reason = _L('Please install the PHP extension %1, so that OIDplus can connect to the Internet.', '<code>php_curl</code>'); |
347 | return false; |
354 | return false; |
348 | } |
355 | } |
349 | } |
356 | } |
350 | 357 | ||
351 | /** |
358 | /** |
352 | * @param string $url |
359 | * @param string $url |
353 | * @param array $params |
360 | * @param array $params |
354 | * @param array $extraHeaders |
361 | * @param array $extraHeaders |
355 | * @param string $userAgent |
362 | * @param string $userAgent |
356 | * @return string|false |
363 | * @return string|false |
357 | * @throws \ViaThinkSoft\OIDplus\OIDplusException |
364 | * @throws \ViaThinkSoft\OIDplus\OIDplusException |
358 | */ |
365 | */ |
359 | function url_post_contents(string $url, array $params=array(), array $extraHeaders=array(), string $userAgent='ViaThinkSoft-OIDplus/2.0') { |
366 | function url_post_contents(string $url, array $params=array(), array $extraHeaders=array(), string $userAgent='ViaThinkSoft-OIDplus/2.0') { |
- | 367 | $require_ssl = str_starts_with(strtolower($url),'https:'); |
|
- | 368 | if (!url_post_contents_available($require_ssl, $reason)) { |
|
- | 369 | throw new OIDplusException(_L('This feature is not available, because OIDplus cannot connect to the Internet.').' '.$reason); |
|
- | 370 | } |
|
- | 371 | ||
360 | $postFields = http_build_query($params); |
372 | $postFields = http_build_query($params); |
361 | 373 | ||
362 | $headers = array( |
374 | $headers = array( |
363 | "User-Agent: $userAgent", |
375 | "User-Agent: $userAgent", |
364 | "Content-Length: ".strlen($postFields) |
376 | "Content-Length: ".strlen($postFields) |
365 | ); |
377 | ); |
366 | 378 | ||
367 | foreach ($extraHeaders as $name => $val) { |
379 | foreach ($extraHeaders as $name => $val) { |
368 | $headers[] = "$name: $val"; |
380 | $headers[] = "$name: $val"; |
369 | } |
381 | } |
370 | 382 | ||
371 | if (function_exists('curl_init')) { |
383 | if (function_exists('curl_init')) { |
372 | $ch = curl_init(); |
384 | $ch = curl_init(); |
373 | if (class_exists(OIDplus::class)) { |
385 | if (class_exists(OIDplus::class)) { |
374 | if (ini_get('curl.cainfo') == '') curl_setopt($ch, CURLOPT_CAINFO, OIDplus::localpath() . 'vendor/cacert.pem'); |
386 | if (ini_get('curl.cainfo') == '') curl_setopt($ch, CURLOPT_CAINFO, OIDplus::localpath() . 'vendor/cacert.pem'); |
375 | } |
387 | } |
376 | curl_setopt($ch, CURLOPT_URL, $url); |
388 | curl_setopt($ch, CURLOPT_URL, $url); |
377 | curl_setopt($ch, CURLOPT_USERAGENT, $userAgent); |
389 | curl_setopt($ch, CURLOPT_USERAGENT, $userAgent); |
378 | curl_setopt($ch, CURLOPT_HTTPHEADER, $headers); |
390 | curl_setopt($ch, CURLOPT_HTTPHEADER, $headers); |
379 | curl_setopt($ch, CURLOPT_POST, true); |
391 | curl_setopt($ch, CURLOPT_POST, true); |
380 | curl_setopt($ch, CURLOPT_POSTFIELDS, $postFields); |
392 | curl_setopt($ch, CURLOPT_POSTFIELDS, $postFields); |
381 | curl_setopt($ch, CURLOPT_RETURNTRANSFER, true); |
393 | curl_setopt($ch, CURLOPT_RETURNTRANSFER, true); |
382 | curl_setopt($ch, CURLOPT_FOLLOWLOCATION, true); |
394 | curl_setopt($ch, CURLOPT_FOLLOWLOCATION, true); |
383 | curl_setopt($ch, CURLOPT_AUTOREFERER, true); |
395 | curl_setopt($ch, CURLOPT_AUTOREFERER, true); |
384 | $res = @curl_exec($ch); |
396 | $res = @curl_exec($ch); |
385 | $error_code = @curl_getinfo($ch, CURLINFO_HTTP_CODE); |
397 | $error_code = @curl_getinfo($ch, CURLINFO_HTTP_CODE); |
386 | @curl_close($ch); |
398 | @curl_close($ch); |
387 | if ($error_code >= 400) return false; |
399 | if ($error_code >= 400) return false; |
388 | if ($res === false) return false; |
400 | if ($res === false) return false; |
389 | } else { |
401 | } else { |
390 | throw new OIDplusException(_L('The "%1" PHP extension is not installed at your system. Please enable the PHP extension <code>%2</code>.','CURL','php_curl')); |
- | |
- | 402 | $res = false; |
|
- | 403 | assert(false); |
|
391 | } |
404 | } |
- | 405 | ||
392 | return $res; |
406 | return $res; |
393 | } |
407 | } |
394 | 408 | ||
395 | /** |
409 | /** |
396 | * @param bool $require_ssl |
410 | * @param bool $require_ssl |
397 | * @param string|null $reason |
411 | * @param string|null $reason |
398 | * @return bool |
412 | * @return bool |
399 | * @throws OIDplusException |
413 | * @throws OIDplusException |
400 | * @throws \ViaThinkSoft\OIDplus\OIDplusConfigInitializationException |
414 | * @throws \ViaThinkSoft\OIDplus\OIDplusConfigInitializationException |
401 | */ |
415 | */ |
402 | function url_get_contents_available(bool $require_ssl=true, string &$reason=null): bool { |
416 | function url_get_contents_available(bool $require_ssl=true, string &$reason=null): bool { |
- | 417 | if (class_exists(OIDplus::class)) { |
|
- | 418 | if (OIDplus::baseConfig()->getValue('OFFLINE_MODE', false)) { |
|
- | 419 | $reason = _L('OIDplus is running in offline mode due to the base configuration setting %1.', 'OFFLINE_MODE'); |
|
- | 420 | return false; |
|
- | 421 | } |
|
- | 422 | } |
|
- | 423 | ||
403 | if (function_exists('curl_init')) { |
424 | if (function_exists('curl_init')) { |
404 | // Via cURL |
425 | // Via cURL |
405 | return true; |
426 | return true; |
406 | } else { |
427 | } else { |
407 | // Via file_get_contents() |
428 | // Via file_get_contents() |
408 | if (!ini_get('allow_url_fopen')) { |
429 | if (!ini_get('allow_url_fopen')) { |
409 | $reason = _L('Please install the PHP extension %1 and/or enable %2 in your PHP configuration, so that OIDplus can connect to the Internet.', '<code>php_curl</code>', '<code>allow_url_fopen</code>'); |
430 | $reason = _L('Please install the PHP extension %1 and/or enable %2 in your PHP configuration, so that OIDplus can connect to the Internet.', '<code>php_curl</code>', '<code>allow_url_fopen</code>'); |
410 | return false; |
431 | return false; |
411 | } |
432 | } |
412 | // Use extension_loaded() instead of function_exists(), because our supplement does not help... |
433 | // Use extension_loaded() instead of function_exists(), because our supplement does not help... |
413 | if ($require_ssl && !extension_loaded('openssl')) { |
434 | if ($require_ssl && !extension_loaded('openssl')) { |
414 | $reason = _L('Please install the PHP extension %1 and/or %2, so that OIDplus can connect to the Internet.', '<code>php_curl</code>', '<code>php_openssl</code>'); |
435 | $reason = _L('Please install the PHP extension %1 and/or %2, so that OIDplus can connect to the Internet.', '<code>php_curl</code>', '<code>php_openssl</code>'); |
415 | return false; |
436 | return false; |
416 | } |
437 | } |
417 | return true; |
438 | return true; |
418 | } |
439 | } |
419 | } |
440 | } |
420 | 441 | ||
421 | /** |
442 | /** |
422 | * @param string $url |
443 | * @param string $url |
423 | * @param array $extraHeaders |
444 | * @param array $extraHeaders |
424 | * @param string $userAgent |
445 | * @param string $userAgent |
425 | * @return string|false |
446 | * @return string|false |
426 | */ |
447 | */ |
427 | function url_get_contents(string $url, array $extraHeaders=array(), string $userAgent='ViaThinkSoft-OIDplus/2.0') { |
448 | function url_get_contents(string $url, array $extraHeaders=array(), string $userAgent='ViaThinkSoft-OIDplus/2.0') { |
- | 449 | $require_ssl = str_starts_with(strtolower($url),'https:'); |
|
- | 450 | if (!url_get_contents_available($require_ssl, $reason)) { |
|
- | 451 | throw new OIDplusException(_L('This feature is not available, because OIDplus cannot connect to the Internet.').' '.$reason); |
|
- | 452 | } |
|
- | 453 | ||
428 | $headers = array("User-Agent: $userAgent"); |
454 | $headers = array("User-Agent: $userAgent"); |
429 | foreach ($extraHeaders as $name => $val) { |
455 | foreach ($extraHeaders as $name => $val) { |
430 | $headers[] = "$name: $val"; |
456 | $headers[] = "$name: $val"; |
431 | } |
457 | } |
432 | if (function_exists('curl_init')) { |
458 | if (function_exists('curl_init')) { |
433 | $ch = curl_init(); |
459 | $ch = curl_init(); |
434 | if (class_exists(OIDplus::class)) { |
460 | if (class_exists(OIDplus::class)) { |
435 | if (ini_get('curl.cainfo') == '') curl_setopt($ch, CURLOPT_CAINFO, OIDplus::localpath() . 'vendor/cacert.pem'); |
461 | if (ini_get('curl.cainfo') == '') curl_setopt($ch, CURLOPT_CAINFO, OIDplus::localpath() . 'vendor/cacert.pem'); |
436 | } |
462 | } |
437 | curl_setopt($ch, CURLOPT_URL, $url); |
463 | curl_setopt($ch, CURLOPT_URL, $url); |
438 | curl_setopt($ch, CURLOPT_USERAGENT, $userAgent); |
464 | curl_setopt($ch, CURLOPT_USERAGENT, $userAgent); |
439 | curl_setopt($ch, CURLOPT_HTTPHEADER, $headers); |
465 | curl_setopt($ch, CURLOPT_HTTPHEADER, $headers); |
440 | curl_setopt($ch, CURLOPT_POST, false); |
466 | curl_setopt($ch, CURLOPT_POST, false); |
441 | curl_setopt($ch, CURLOPT_RETURNTRANSFER, true); |
467 | curl_setopt($ch, CURLOPT_RETURNTRANSFER, true); |
442 | curl_setopt($ch, CURLOPT_FOLLOWLOCATION, true); |
468 | curl_setopt($ch, CURLOPT_FOLLOWLOCATION, true); |
443 | curl_setopt($ch, CURLOPT_AUTOREFERER, true); |
469 | curl_setopt($ch, CURLOPT_AUTOREFERER, true); |
444 | $res = @curl_exec($ch); |
470 | $res = @curl_exec($ch); |
445 | $error_code = @curl_getinfo($ch, CURLINFO_HTTP_CODE); |
471 | $error_code = @curl_getinfo($ch, CURLINFO_HTTP_CODE); |
446 | @curl_close($ch); |
472 | @curl_close($ch); |
447 | if ($error_code >= 400) return false; |
473 | if ($error_code >= 400) return false; |
448 | if ($res === false) return false; |
474 | if ($res === false) return false; |
449 | } else { |
475 | } else { |
450 | // Attention: HTTPS only works if OpenSSL extension is enabled. |
476 | // Attention: HTTPS only works if OpenSSL extension is enabled. |
451 | // Our supplement does not help... |
477 | // Our supplement does not help... |
452 | $opts = [ |
478 | $opts = [ |
453 | "http" => [ |
479 | "http" => [ |
454 | "method" => "GET", |
480 | "method" => "GET", |
455 | "header" => implode("\r\n",$headers)."\r\n" |
481 | "header" => implode("\r\n",$headers)."\r\n" |
456 | ] |
482 | ] |
457 | ]; |
483 | ]; |
458 | $context = stream_context_create($opts); |
484 | $context = stream_context_create($opts); |
459 | $res = @file_get_contents($url, false, $context); |
485 | $res = @file_get_contents($url, false, $context); |
460 | if ($res === false) return false; |
486 | if ($res === false) return false; |
461 | } |
487 | } |
462 | return $res; |
488 | return $res; |
463 | } |
489 | } |
464 | 490 | ||
465 | /** |
491 | /** |
466 | * @return string |
492 | * @return string |
467 | */ |
493 | */ |
468 | function getSortedQuery(): string { |
494 | function getSortedQuery(): string { |
469 | // https://stackoverflow.com/a/51777249/488539 |
495 | // https://stackoverflow.com/a/51777249/488539 |
470 | $url = []; |
496 | $url = []; |
471 | parse_str($_SERVER['QUERY_STRING'], $url); |
497 | parse_str($_SERVER['QUERY_STRING'], $url); |
472 | ksort($url); |
498 | ksort($url); |
473 | return http_build_query($url); |
499 | return http_build_query($url); |
474 | } |
500 | } |
475 | 501 | ||
476 | /** |
502 | /** |
477 | * @param array &$rows |
503 | * @param array &$rows |
478 | * @param string $fieldName |
504 | * @param string $fieldName |
479 | * @return void |
505 | * @return void |
480 | */ |
506 | */ |
481 | function natsort_field(array &$rows, string $fieldName) { |
507 | function natsort_field(array &$rows, string $fieldName) { |
482 | usort($rows, function($a,$b) use($fieldName) { |
508 | usort($rows, function($a,$b) use($fieldName) { |
483 | if ($a[$fieldName] == $b[$fieldName]) return 0; // equal |
509 | if ($a[$fieldName] == $b[$fieldName]) return 0; // equal |
484 | $ary = array( |
510 | $ary = array( |
485 | -1 => $a[$fieldName], |
511 | -1 => $a[$fieldName], |
486 | 1 => $b[$fieldName] |
512 | 1 => $b[$fieldName] |
487 | ); |
513 | ); |
488 | natsort($ary); |
514 | natsort($ary); |
489 | $keys = array_keys($ary); |
515 | $keys = array_keys($ary); |
490 | return $keys[0]; |
516 | return $keys[0]; |
491 | }); |
517 | }); |
492 | } |
518 | } |
493 | 519 | ||
494 | /** |
520 | /** |
495 | * @param array $ary |
521 | * @param array $ary |
496 | * @return \stdClass |
522 | * @return \stdClass |
497 | */ |
523 | */ |
498 | function array_to_stdobj(array $ary): \stdClass { |
524 | function array_to_stdobj(array $ary): \stdClass { |
499 | $obj = new \stdClass; |
525 | $obj = new \stdClass; |
500 | foreach ($ary as $name => $val) { |
526 | foreach ($ary as $name => $val) { |
501 | $obj->$name = $val; |
527 | $obj->$name = $val; |
502 | } |
528 | } |
503 | return $obj; |
529 | return $obj; |
504 | } |
530 | } |
505 | 531 | ||
506 | /** |
532 | /** |
507 | * @param \stdClass $obj |
533 | * @param \stdClass $obj |
508 | * @return array |
534 | * @return array |
509 | */ |
535 | */ |
510 | function stdobj_to_array(\stdClass $obj): array { |
536 | function stdobj_to_array(\stdClass $obj): array { |
511 | $ary = array(); |
537 | $ary = array(); |
512 | foreach ($obj as $name => $val) { |
538 | foreach ($obj as $name => $val) { |
513 | $ary[$name] = $val; |
539 | $ary[$name] = $val; |
514 | } |
540 | } |
515 | return $ary; |
541 | return $ary; |
516 | } |
542 | } |
517 | 543 | ||
518 | /** |
544 | /** |
519 | * @return string|false |
545 | * @return string|false |
520 | */ |
546 | */ |
521 | function get_own_username() { |
547 | function get_own_username() { |
522 | $current_user = exec('whoami'); |
548 | $current_user = exec('whoami'); |
523 | if (strtoupper(substr(PHP_OS, 0, 3)) === 'WIN') { |
549 | if (strtoupper(substr(PHP_OS, 0, 3)) === 'WIN') { |
524 | try { |
550 | try { |
525 | if (function_exists('mb_convert_encoding')) { |
551 | if (function_exists('mb_convert_encoding')) { |
526 | $current_user = @mb_convert_encoding($current_user, "UTF-8", "cp850"); |
552 | $current_user = @mb_convert_encoding($current_user, "UTF-8", "cp850"); |
527 | } else if (function_exists('iconv')) { |
553 | } else if (function_exists('iconv')) { |
528 | $current_user = @iconv("cp850", "UTF-8", $current_user); |
554 | $current_user = @iconv("cp850", "UTF-8", $current_user); |
529 | } |
555 | } |
530 | } catch (\Exception $e) {} |
556 | } catch (\Exception $e) {} |
531 | if (function_exists('mb_strtoupper')) { |
557 | if (function_exists('mb_strtoupper')) { |
532 | $current_user = mb_strtoupper($current_user); // just cosmetics |
558 | $current_user = mb_strtoupper($current_user); // just cosmetics |
533 | } |
559 | } |
534 | } |
560 | } |
535 | if (!$current_user) { |
561 | if (!$current_user) { |
536 | if (strtoupper(substr(PHP_OS, 0, 3)) === 'WIN') { |
562 | if (strtoupper(substr(PHP_OS, 0, 3)) === 'WIN') { |
537 | // Windows on an IIS server: |
563 | // Windows on an IIS server: |
538 | // getenv('USERNAME') MARSCHALL$ (That is the "machine account", see https://docs.microsoft.com/en-us/iis/manage/configuring-security/application-pool-identities#accessing-the-network ) |
564 | // getenv('USERNAME') MARSCHALL$ (That is the "machine account", see https://docs.microsoft.com/en-us/iis/manage/configuring-security/application-pool-identities#accessing-the-network ) |
539 | // get_current_user() DefaultAppPool |
565 | // get_current_user() DefaultAppPool |
540 | // exec('whoami') iis apppool\defaultapppool |
566 | // exec('whoami') iis apppool\defaultapppool |
541 | // Windows with XAMPP: |
567 | // Windows with XAMPP: |
542 | // getenv('USERNAME') dmarschall |
568 | // getenv('USERNAME') dmarschall |
543 | // get_current_user() dmarschall (even if script has a different NTFS owner!) |
569 | // get_current_user() dmarschall (even if script has a different NTFS owner!) |
544 | // exec('whoami') hickelsoft\dmarschall |
570 | // exec('whoami') hickelsoft\dmarschall |
545 | $current_user = get_current_user(); |
571 | $current_user = get_current_user(); |
546 | if (!$current_user) { |
572 | if (!$current_user) { |
547 | $current_user = getenv('USERNAME'); |
573 | $current_user = getenv('USERNAME'); |
548 | $current_user = mb_strtoupper($current_user); // just cosmetics |
574 | $current_user = mb_strtoupper($current_user); // just cosmetics |
549 | } |
575 | } |
550 | } else { |
576 | } else { |
551 | // On Linux: |
577 | // On Linux: |
552 | $current_user = exec('id -un'); |
578 | $current_user = exec('id -un'); |
553 | if (!$current_user) { |
579 | if (!$current_user) { |
554 | // PHP'S get_current_user() will get the owner of the PHP script, not the process owner! |
580 | // PHP'S get_current_user() will get the owner of the PHP script, not the process owner! |
555 | // We want the process owner, so we use posix_geteuid() preferably. |
581 | // We want the process owner, so we use posix_geteuid() preferably. |
556 | if (function_exists('posix_geteuid')) { |
582 | if (function_exists('posix_geteuid')) { |
557 | $uid = posix_geteuid(); |
583 | $uid = posix_geteuid(); |
558 | } else { |
584 | } else { |
559 | $temp_file = tempnam(sys_get_temp_dir(), 'TMP'); |
585 | $temp_file = tempnam(sys_get_temp_dir(), 'TMP'); |
560 | if ($temp_file !== false) { |
586 | if ($temp_file !== false) { |
561 | $uid = fileowner($temp_file); |
587 | $uid = fileowner($temp_file); |
562 | if ($uid === false) $uid = -1; |
588 | if ($uid === false) $uid = -1; |
563 | @unlink($temp_file); |
589 | @unlink($temp_file); |
564 | } else { |
590 | } else { |
565 | $uid = -1; |
591 | $uid = -1; |
566 | } |
592 | } |
567 | } |
593 | } |
568 | if ($uid >= 0) { |
594 | if ($uid >= 0) { |
569 | $current_user = '#' . $uid; |
595 | $current_user = '#' . $uid; |
570 | if (function_exists('posix_getpwuid')) { |
596 | if (function_exists('posix_getpwuid')) { |
571 | $userinfo = posix_getpwuid($uid); // receive username from the UID (requires read access to /etc/passwd) |
597 | $userinfo = posix_getpwuid($uid); // receive username from the UID (requires read access to /etc/passwd) |
572 | if ($userinfo !== false) $current_user = $userinfo['name']; |
598 | if ($userinfo !== false) $current_user = $userinfo['name']; |
573 | } |
599 | } |
574 | } else { |
600 | } else { |
575 | $current_user = get_current_user(); |
601 | $current_user = get_current_user(); |
576 | } |
602 | } |
577 | } |
603 | } |
578 | } |
604 | } |
579 | } |
605 | } |
580 | return $current_user ?: false; |
606 | return $current_user ?: false; |
581 | } |
607 | } |
582 | 608 | ||
583 | /** |
609 | /** |
584 | * @param string $path |
610 | * @param string $path |
585 | * @return bool |
611 | * @return bool |
586 | */ |
612 | */ |
587 | function isFileOrPathWritable(string $path): bool { |
613 | function isFileOrPathWritable(string $path): bool { |
588 | if ($writable_file = (file_exists($path) && is_writable($path))) return true; |
614 | if ($writable_file = (file_exists($path) && is_writable($path))) return true; |
589 | if ($writable_directory = (!file_exists($path) && is_writable(dirname($path)))) return true; |
615 | if ($writable_directory = (!file_exists($path) && is_writable(dirname($path)))) return true; |
590 | return false; |
616 | return false; |
591 | } |
617 | } |