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2 | daniel-mar | 1 | <?php |
2 | |||
3 | /* |
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4 | * OIDplus 2.0 |
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1103 | daniel-mar | 5 | * Copyright 2019 - 2023 Daniel Marschall, ViaThinkSoft |
2 | daniel-mar | 6 | * |
7 | * Licensed under the Apache License, Version 2.0 (the "License"); |
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8 | * you may not use this file except in compliance with the License. |
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9 | * You may obtain a copy of the License at |
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10 | * |
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11 | * http://www.apache.org/licenses/LICENSE-2.0 |
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12 | * |
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13 | * Unless required by applicable law or agreed to in writing, software |
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14 | * distributed under the License is distributed on an "AS IS" BASIS, |
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15 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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16 | * See the License for the specific language governing permissions and |
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17 | * limitations under the License. |
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18 | */ |
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19 | |||
1050 | daniel-mar | 20 | use ViaThinkSoft\OIDplus\OIDplus; |
1149 | daniel-mar | 21 | use ViaThinkSoft\OIDplus\OIDplusException; |
1050 | daniel-mar | 22 | |
1130 | daniel-mar | 23 | /** |
24 | * @param string $privKey |
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25 | * @return bool |
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26 | */ |
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27 | function is_privatekey_encrypted(string $privKey): bool { |
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830 | daniel-mar | 28 | return strpos($privKey,'BEGIN ENCRYPTED PRIVATE KEY') !== false; |
29 | } |
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30 | |||
1130 | daniel-mar | 31 | /** |
32 | * @param string $privKey |
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33 | * @param string $pubKey |
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34 | * @return bool |
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35 | */ |
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36 | function verify_private_public_key(string $privKey, string $pubKey): bool { |
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721 | daniel-mar | 37 | if (!function_exists('openssl_public_encrypt')) return false; |
74 | daniel-mar | 38 | try { |
39 | if (empty($privKey)) return false; |
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40 | if (empty($pubKey)) return false; |
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453 | daniel-mar | 41 | $data = generateRandomString(25); |
386 | daniel-mar | 42 | $encrypted = ''; |
43 | $decrypted = ''; |
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74 | daniel-mar | 44 | if (!@openssl_public_encrypt($data, $encrypted, $pubKey)) return false; |
45 | if (!@openssl_private_decrypt($encrypted, $decrypted, $privKey)) return false; |
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46 | return $decrypted == $data; |
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1050 | daniel-mar | 47 | } catch (\Exception $e) { |
74 | daniel-mar | 48 | return false; |
49 | } |
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50 | } |
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51 | |||
1130 | daniel-mar | 52 | /** |
53 | * @param string $privKeyOld |
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54 | * @param string|null $passphrase_old |
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55 | * @param string|null $passphrase_new |
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56 | * @return false|string |
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57 | */ |
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58 | function change_private_key_passphrase(string $privKeyOld, string $passphrase_old=null, string $passphrase_new=null) { |
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830 | daniel-mar | 59 | $pkey_config = array( |
60 | //"digest_alg" => "sha512", |
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61 | //"private_key_bits" => 2048, |
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62 | //"private_key_type" => OPENSSL_KEYTYPE_RSA, |
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1158 | daniel-mar | 63 | "config" => class_exists(OIDplus::class) ? OIDplus::getOpenSslCnf() : @getenv('OPENSSL_CONF') |
830 | daniel-mar | 64 | ); |
65 | $privKeyNew = @openssl_pkey_get_private($privKeyOld, $passphrase_old); |
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66 | if ($privKeyNew === false) return false; |
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1116 | daniel-mar | 67 | if (!@openssl_pkey_export($privKeyNew, $privKeyNewExport, $passphrase_new, $pkey_config)) return false; |
68 | if ($privKeyNewExport === "") return false; |
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69 | return "$privKeyNewExport"; |
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830 | daniel-mar | 70 | } |
71 | |||
1130 | daniel-mar | 72 | /** |
73 | * @param string $privKey |
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74 | * @param string $passphrase |
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75 | * @return false|string |
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76 | */ |
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77 | function decrypt_private_key(string $privKey, string $passphrase) { |
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830 | daniel-mar | 78 | return change_private_key_passphrase($privKey, $passphrase, null); |
79 | } |
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80 | |||
1130 | daniel-mar | 81 | /** |
82 | * @param string $privKey |
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83 | * @param string $passphrase |
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84 | * @return false|string |
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85 | */ |
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86 | function encrypt_private_key(string $privKey, string $passphrase) { |
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830 | daniel-mar | 87 | return change_private_key_passphrase($privKey, null, $passphrase); |
88 | } |
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89 | |||
1130 | daniel-mar | 90 | /** |
91 | * @param string $data |
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92 | * @return int |
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93 | */ |
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94 | function smallhash(string $data): int { // get 31 bits from SHA1. Values 0..2147483647 |
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250 | daniel-mar | 95 | return (hexdec(substr(sha1($data),-4*2)) & 0x7FFFFFFF); |
74 | daniel-mar | 96 | } |
180 | daniel-mar | 97 | |
1130 | daniel-mar | 98 | /** |
99 | * @param string $name |
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100 | * @return array |
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101 | */ |
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102 | function split_firstname_lastname(string $name): array { |
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182 | daniel-mar | 103 | $ary = explode(' ', $name); |
104 | $last_name = array_pop($ary); |
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105 | $first_name = implode(' ', $ary); |
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106 | return array($first_name, $last_name); |
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107 | } |
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108 | |||
1130 | daniel-mar | 109 | /** |
110 | * @return void |
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111 | */ |
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180 | daniel-mar | 112 | function originHeaders() { |
113 | // CORS |
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114 | // Author: Till Wehowski |
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426 | daniel-mar | 115 | // TODO: add to class OIDplus |
182 | daniel-mar | 116 | |
180 | daniel-mar | 117 | header("Access-Control-Allow-Credentials: true"); |
118 | header("Access-Control-Allow-Origin: ".strip_tags(((isset($_SERVER['HTTP_ORIGIN'])) ? $_SERVER['HTTP_ORIGIN'] : "*"))); |
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119 | |||
120 | header("Access-Control-Allow-Headers: If-None-Match, X-Requested-With, Origin, X-Frdlweb-Bugs, Etag, X-Forgery-Protection-Token, X-CSRF-Token"); |
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121 | |||
122 | if (isset($_SERVER['HTTP_ORIGIN'])) { |
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123 | header('X-Frame-Options: ALLOW-FROM '.$_SERVER['HTTP_ORIGIN']); |
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124 | } else { |
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125 | header_remove("X-Frame-Options"); |
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126 | } |
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127 | |||
128 | $expose = array('Etag', 'X-CSRF-Token'); |
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129 | foreach (headers_list() as $num => $header) { |
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130 | $h = explode(':', $header); |
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131 | $expose[] = trim($h[0]); |
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132 | } |
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133 | header("Access-Control-Expose-Headers: ".implode(',',$expose)); |
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134 | |||
135 | header("Vary: Origin"); |
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136 | } |
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236 | daniel-mar | 137 | |
346 | daniel-mar | 138 | if (!function_exists('mb_wordwrap')) { |
1130 | daniel-mar | 139 | /** |
140 | * @param string $str |
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141 | * @param int $width |
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142 | * @param string $break |
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143 | * @param bool $cut |
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144 | * @return string |
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145 | */ |
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146 | function mb_wordwrap(string $str, int $width = 75, string $break = "\n", bool $cut = false): string { |
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346 | daniel-mar | 147 | // https://stackoverflow.com/a/4988494/488539 |
1231 | daniel-mar | 148 | assert(strlen($break) > 0); |
149 | $lines = explode("$break", $str); |
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346 | daniel-mar | 150 | foreach ($lines as &$line) { |
151 | $line = rtrim($line); |
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152 | if (mb_strlen($line) <= $width) { |
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153 | continue; |
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154 | } |
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155 | $words = explode(' ', $line); |
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156 | $line = ''; |
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157 | $actual = ''; |
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158 | foreach ($words as $word) { |
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159 | if (mb_strlen($actual.$word) <= $width) { |
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160 | $actual .= $word.' '; |
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161 | } else { |
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162 | if ($actual != '') { |
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163 | $line .= rtrim($actual).$break; |
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164 | } |
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165 | $actual = $word; |
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166 | if ($cut) { |
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167 | while (mb_strlen($actual) > $width) { |
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168 | $line .= mb_substr($actual, 0, $width).$break; |
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169 | $actual = mb_substr($actual, $width); |
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170 | } |
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171 | } |
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172 | $actual .= ' '; |
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173 | } |
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174 | } |
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175 | $line .= trim($actual); |
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176 | } |
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177 | return implode($break, $lines); |
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178 | } |
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179 | } |
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355 | daniel-mar | 180 | |
1130 | daniel-mar | 181 | /** |
182 | * @param string $out |
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183 | * @param string $contentType |
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184 | * @param string $filename |
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185 | * @return void |
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186 | */ |
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187 | function httpOutWithETag(string $out, string $contentType, string $filename='') { |
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379 | daniel-mar | 188 | $etag = md5($out); |
189 | header("Etag: $etag"); |
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190 | header("Content-MD5: $etag"); // RFC 2616 clause 14.15 |
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191 | if (isset($_SERVER['HTTP_IF_NONE_MATCH']) && (trim($_SERVER['HTTP_IF_NONE_MATCH']) == $etag)) { |
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1068 | daniel-mar | 192 | if (PHP_SAPI != 'cli') @http_response_code(304); // 304 Not Modified |
379 | daniel-mar | 193 | } else { |
194 | header("Content-Type: $contentType"); |
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195 | if (!empty($filename)) { |
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196 | header('Content-Disposition:inline; filename="'.$filename.'"'); |
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197 | } |
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198 | echo $out; |
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199 | } |
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200 | die(); |
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201 | } |
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202 | |||
1130 | daniel-mar | 203 | /** |
204 | * @param string $str |
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205 | * @param array $args |
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206 | * @return string |
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207 | */ |
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208 | function my_vsprintf(string $str, array $args): string { |
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209 | $n = 1; |
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210 | foreach ($args as $val) { |
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211 | $str = str_replace("%$n", $val, $str); |
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212 | $n++; |
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213 | } |
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214 | return str_replace("%%", "%", $str); |
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360 | daniel-mar | 215 | } |
216 | |||
1130 | daniel-mar | 217 | /** |
218 | * @param string $str |
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219 | * @param mixed ...$sprintfArgs |
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220 | * @return string |
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221 | * @throws \ViaThinkSoft\OIDplus\OIDplusConfigInitializationException |
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222 | * @throws \ViaThinkSoft\OIDplus\OIDplusException |
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223 | */ |
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224 | function _L(string $str, ...$sprintfArgs): string { |
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401 | daniel-mar | 225 | static $translation_array = array(); |
226 | static $translation_loaded = null; |
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227 | |||
506 | daniel-mar | 228 | $str = trim($str); |
229 | |||
1050 | daniel-mar | 230 | if (!class_exists(OIDplus::class)) { |
438 | daniel-mar | 231 | return my_vsprintf($str, $sprintfArgs); |
232 | } |
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233 | |||
360 | daniel-mar | 234 | $lang = OIDplus::getCurrentLang(); |
468 | daniel-mar | 235 | $ta = OIDplus::getTranslationArray($lang); |
1162 | daniel-mar | 236 | $res = $ta[$lang][$str] ?? $str; |
360 | daniel-mar | 237 | |
238 | $res = str_replace('###', OIDplus::baseConfig()->getValue('TABLENAME_PREFIX', ''), $res); |
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239 | |||
1130 | daniel-mar | 240 | return my_vsprintf($res, $sprintfArgs); |
370 | daniel-mar | 241 | } |
386 | daniel-mar | 242 | |
1130 | daniel-mar | 243 | /** |
244 | * @param array $params |
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245 | * @param string $key |
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246 | * @return void |
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247 | * @throws \ViaThinkSoft\OIDplus\OIDplusConfigInitializationException |
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248 | * @throws \ViaThinkSoft\OIDplus\OIDplusException |
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249 | */ |
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250 | function _CheckParamExists(array $params, string $key) { |
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1050 | daniel-mar | 251 | if (class_exists(OIDplusException::class)) { |
698 | daniel-mar | 252 | if (!isset($params[$key])) throw new OIDplusException(_L('Parameter %1 is missing', $key)); |
253 | } else { |
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254 | if (!isset($params[$key])) throw new Exception(_L('Parameter %1 is missing', $key)); |
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255 | } |
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552 | daniel-mar | 256 | } |
257 | |||
1130 | daniel-mar | 258 | /** |
259 | * @param string $cont |
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260 | * @return array |
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261 | */ |
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262 | function extractHtmlContents(string $cont): array { |
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721 | daniel-mar | 263 | // make sure the program works even if the user provided HTML is not UTF-8 |
264 | $cont = convert_to_utf8_no_bom($cont); |
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265 | |||
386 | daniel-mar | 266 | $out_js = ''; |
267 | $m = array(); |
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268 | preg_match_all('@<script[^>]*>(.+)</script>@ismU', $cont, $m); |
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269 | foreach ($m[1] as $x) { |
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270 | $out_js = $x . "\n\n"; |
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271 | } |
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272 | |||
273 | $out_css = ''; |
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274 | $m = array(); |
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275 | preg_match_all('@<style[^>]*>(.+)</style>@ismU', $cont, $m); |
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276 | foreach ($m[1] as $x) { |
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277 | $out_css = $x . "\n\n"; |
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278 | } |
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279 | |||
280 | $out_html = $cont; |
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281 | $out_html = preg_replace('@^(.+)<body[^>]*>@isU', '', $out_html); |
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282 | $out_html = preg_replace('@</body>.+$@isU', '', $out_html); |
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283 | $out_html = preg_replace('@<title>.+</title>@isU', '', $out_html); |
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284 | $out_html = preg_replace('@<h1>.+</h1>@isU', '', $out_html, 1); |
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285 | $out_html = preg_replace('@<script[^>]*>(.+)</script>@ismU', '', $out_html); |
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286 | $out_html = preg_replace('@<style[^>]*>(.+)</style>@ismU', '', $out_html); |
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287 | |||
288 | return array($out_html, $out_js, $out_css); |
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392 | daniel-mar | 289 | } |
290 | |||
1130 | daniel-mar | 291 | /** |
292 | * @param string $password |
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293 | * @param bool $raw_output |
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294 | * @return string |
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295 | * @throws Exception |
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296 | */ |
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297 | function sha3_512(string $password, bool $raw_output=false): string { |
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1103 | daniel-mar | 298 | if (hash_supported_natively('sha3-512')) { |
400 | daniel-mar | 299 | return hash('sha3-512', $password, $raw_output); |
392 | daniel-mar | 300 | } else { |
1021 | daniel-mar | 301 | return \bb\Sha3\Sha3::hash($password, 512, $raw_output); |
392 | daniel-mar | 302 | } |
303 | } |
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486 | daniel-mar | 304 | |
1130 | daniel-mar | 305 | /** |
306 | * @param string $message |
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307 | * @param string $key |
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308 | * @param bool $raw_output |
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309 | * @return string |
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310 | */ |
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311 | function sha3_512_hmac(string $message, string $key, bool $raw_output=false): string { |
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710 | daniel-mar | 312 | // RFC 2104 HMAC |
1103 | daniel-mar | 313 | if (hash_hmac_supported_natively('sha3-512')) { |
847 | daniel-mar | 314 | return hash_hmac('sha3-512', $message, $key, $raw_output); |
315 | } else { |
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1021 | daniel-mar | 316 | return \bb\Sha3\Sha3::hash_hmac($message, $key, 512, $raw_output); |
847 | daniel-mar | 317 | } |
710 | daniel-mar | 318 | } |
319 | |||
1130 | daniel-mar | 320 | /** |
321 | * @param string $password |
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322 | * @param string $salt |
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323 | * @param int $iterations |
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324 | * @param int $length |
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325 | * @param bool $binary |
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326 | * @return string |
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327 | */ |
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328 | function sha3_512_pbkdf2(string $password, string $salt, int $iterations, int $length=0, bool $binary=false): string { |
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1103 | daniel-mar | 329 | if (hash_pbkdf2_supported_natively('sha3-512')) { |
330 | return hash_pbkdf2('sha3-512', $password, $salt, $iterations, $length, $binary); |
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331 | } else { |
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332 | return \bb\Sha3\Sha3::hash_pbkdf2($password, $salt, $iterations, 512, $length, $binary); |
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333 | } |
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334 | } |
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335 | |||
1130 | daniel-mar | 336 | /** |
1181 | daniel-mar | 337 | * @param bool $require_ssl |
338 | * @param string|null $reason |
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1149 | daniel-mar | 339 | * @return bool |
1181 | daniel-mar | 340 | * @throws OIDplusException |
341 | * @throws \ViaThinkSoft\OIDplus\OIDplusConfigInitializationException |
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1149 | daniel-mar | 342 | */ |
1181 | daniel-mar | 343 | function url_post_contents_available(bool $require_ssl=true, string &$reason=null): bool { |
1182 | daniel-mar | 344 | if (class_exists(OIDplus::class)) { |
345 | if (OIDplus::baseConfig()->getValue('OFFLINE_MODE', false)) { |
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346 | $reason = _L('OIDplus is running in offline mode due to the base configuration setting %1.', 'OFFLINE_MODE'); |
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347 | return false; |
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348 | } |
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349 | } |
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350 | |||
1181 | daniel-mar | 351 | if (function_exists('curl_init')) { |
352 | return true; |
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353 | } else { |
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354 | $reason = _L('Please install the PHP extension %1, so that OIDplus can connect to the Internet.', '<code>php_curl</code>'); |
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355 | return false; |
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356 | } |
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1149 | daniel-mar | 357 | } |
358 | |||
359 | /** |
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1130 | daniel-mar | 360 | * @param string $url |
1149 | daniel-mar | 361 | * @param array $params |
362 | * @param array $extraHeaders |
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1130 | daniel-mar | 363 | * @param string $userAgent |
364 | * @return string|false |
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1149 | daniel-mar | 365 | * @throws \ViaThinkSoft\OIDplus\OIDplusException |
1130 | daniel-mar | 366 | */ |
1149 | daniel-mar | 367 | function url_post_contents(string $url, array $params=array(), array $extraHeaders=array(), string $userAgent='ViaThinkSoft-OIDplus/2.0') { |
1182 | daniel-mar | 368 | $require_ssl = str_starts_with(strtolower($url),'https:'); |
369 | if (!url_post_contents_available($require_ssl, $reason)) { |
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370 | throw new OIDplusException(_L('This feature is not available, because OIDplus cannot connect to the Internet.').' '.$reason); |
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371 | } |
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372 | |||
1149 | daniel-mar | 373 | $postFields = http_build_query($params); |
374 | |||
375 | $headers = array( |
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376 | "User-Agent: $userAgent", |
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377 | "Content-Length: ".strlen($postFields) |
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378 | ); |
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379 | |||
380 | foreach ($extraHeaders as $name => $val) { |
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381 | $headers[] = "$name: $val"; |
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382 | } |
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383 | |||
653 | daniel-mar | 384 | if (function_exists('curl_init')) { |
385 | $ch = curl_init(); |
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1050 | daniel-mar | 386 | if (class_exists(OIDplus::class)) { |
698 | daniel-mar | 387 | if (ini_get('curl.cainfo') == '') curl_setopt($ch, CURLOPT_CAINFO, OIDplus::localpath() . 'vendor/cacert.pem'); |
388 | } |
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653 | daniel-mar | 389 | curl_setopt($ch, CURLOPT_URL, $url); |
963 | daniel-mar | 390 | curl_setopt($ch, CURLOPT_USERAGENT, $userAgent); |
1149 | daniel-mar | 391 | curl_setopt($ch, CURLOPT_HTTPHEADER, $headers); |
392 | curl_setopt($ch, CURLOPT_POST, true); |
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393 | curl_setopt($ch, CURLOPT_POSTFIELDS, $postFields); |
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653 | daniel-mar | 394 | curl_setopt($ch, CURLOPT_RETURNTRANSFER, true); |
395 | curl_setopt($ch, CURLOPT_FOLLOWLOCATION, true); |
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396 | curl_setopt($ch, CURLOPT_AUTOREFERER, true); |
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1006 | daniel-mar | 397 | $res = @curl_exec($ch); |
963 | daniel-mar | 398 | $error_code = @curl_getinfo($ch, CURLINFO_HTTP_CODE); |
1006 | daniel-mar | 399 | @curl_close($ch); |
963 | daniel-mar | 400 | if ($error_code >= 400) return false; |
1006 | daniel-mar | 401 | if ($res === false) return false; |
653 | daniel-mar | 402 | } else { |
1182 | daniel-mar | 403 | $res = false; |
404 | assert(false); |
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1149 | daniel-mar | 405 | } |
1182 | daniel-mar | 406 | |
1149 | daniel-mar | 407 | return $res; |
408 | } |
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409 | |||
410 | /** |
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1181 | daniel-mar | 411 | * @param bool $require_ssl |
412 | * @param string|null $reason |
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413 | * @return bool |
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414 | * @throws OIDplusException |
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415 | * @throws \ViaThinkSoft\OIDplus\OIDplusConfigInitializationException |
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416 | */ |
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417 | function url_get_contents_available(bool $require_ssl=true, string &$reason=null): bool { |
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1182 | daniel-mar | 418 | if (class_exists(OIDplus::class)) { |
419 | if (OIDplus::baseConfig()->getValue('OFFLINE_MODE', false)) { |
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420 | $reason = _L('OIDplus is running in offline mode due to the base configuration setting %1.', 'OFFLINE_MODE'); |
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421 | return false; |
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422 | } |
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423 | } |
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424 | |||
1181 | daniel-mar | 425 | if (function_exists('curl_init')) { |
426 | // Via cURL |
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427 | return true; |
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428 | } else { |
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429 | // Via file_get_contents() |
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430 | if (!ini_get('allow_url_fopen')) { |
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431 | $reason = _L('Please install the PHP extension %1 and/or enable %2 in your PHP configuration, so that OIDplus can connect to the Internet.', '<code>php_curl</code>', '<code>allow_url_fopen</code>'); |
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432 | return false; |
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433 | } |
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434 | // Use extension_loaded() instead of function_exists(), because our supplement does not help... |
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435 | if ($require_ssl && !extension_loaded('openssl')) { |
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436 | $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>'); |
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437 | return false; |
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438 | } |
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439 | return true; |
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440 | } |
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441 | } |
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442 | |||
443 | /** |
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1149 | daniel-mar | 444 | * @param string $url |
445 | * @param array $extraHeaders |
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446 | * @param string $userAgent |
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447 | * @return string|false |
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448 | */ |
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449 | function url_get_contents(string $url, array $extraHeaders=array(), string $userAgent='ViaThinkSoft-OIDplus/2.0') { |
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1182 | daniel-mar | 450 | $require_ssl = str_starts_with(strtolower($url),'https:'); |
451 | if (!url_get_contents_available($require_ssl, $reason)) { |
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452 | throw new OIDplusException(_L('This feature is not available, because OIDplus cannot connect to the Internet.').' '.$reason); |
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453 | } |
||
454 | |||
1149 | daniel-mar | 455 | $headers = array("User-Agent: $userAgent"); |
456 | foreach ($extraHeaders as $name => $val) { |
||
457 | $headers[] = "$name: $val"; |
||
458 | } |
||
459 | if (function_exists('curl_init')) { |
||
460 | $ch = curl_init(); |
||
461 | if (class_exists(OIDplus::class)) { |
||
462 | if (ini_get('curl.cainfo') == '') curl_setopt($ch, CURLOPT_CAINFO, OIDplus::localpath() . 'vendor/cacert.pem'); |
||
463 | } |
||
464 | curl_setopt($ch, CURLOPT_URL, $url); |
||
465 | curl_setopt($ch, CURLOPT_USERAGENT, $userAgent); |
||
466 | curl_setopt($ch, CURLOPT_HTTPHEADER, $headers); |
||
467 | curl_setopt($ch, CURLOPT_POST, false); |
||
468 | curl_setopt($ch, CURLOPT_RETURNTRANSFER, true); |
||
469 | curl_setopt($ch, CURLOPT_FOLLOWLOCATION, true); |
||
470 | curl_setopt($ch, CURLOPT_AUTOREFERER, true); |
||
471 | $res = @curl_exec($ch); |
||
472 | $error_code = @curl_getinfo($ch, CURLINFO_HTTP_CODE); |
||
473 | @curl_close($ch); |
||
474 | if ($error_code >= 400) return false; |
||
475 | if ($res === false) return false; |
||
476 | } else { |
||
963 | daniel-mar | 477 | // Attention: HTTPS only works if OpenSSL extension is enabled. |
478 | // Our supplement does not help... |
||
716 | daniel-mar | 479 | $opts = [ |
480 | "http" => [ |
||
481 | "method" => "GET", |
||
1149 | daniel-mar | 482 | "header" => implode("\r\n",$headers)."\r\n" |
716 | daniel-mar | 483 | ] |
484 | ]; |
||
485 | $context = stream_context_create($opts); |
||
486 | $res = @file_get_contents($url, false, $context); |
||
653 | daniel-mar | 487 | if ($res === false) return false; |
488 | } |
||
489 | return $res; |
||
660 | daniel-mar | 490 | } |
778 | daniel-mar | 491 | |
1130 | daniel-mar | 492 | /** |
1148 | daniel-mar | 493 | * @param array &$rows |
494 | * @param string $fieldName |
||
495 | * @return void |
||
496 | */ |
||
1158 | daniel-mar | 497 | function natsort_field(array &$rows, string $fieldName) { |
1148 | daniel-mar | 498 | usort($rows, function($a,$b) use($fieldName) { |
499 | if ($a[$fieldName] == $b[$fieldName]) return 0; // equal |
||
500 | $ary = array( |
||
501 | -1 => $a[$fieldName], |
||
502 | 1 => $b[$fieldName] |
||
503 | ); |
||
1150 | daniel-mar | 504 | natsort($ary); |
1148 | daniel-mar | 505 | $keys = array_keys($ary); |
506 | return $keys[0]; |
||
507 | }); |
||
508 | } |
||
1156 | daniel-mar | 509 | |
510 | /** |
||
511 | * @param array $ary |
||
512 | * @return \stdClass |
||
513 | */ |
||
514 | function array_to_stdobj(array $ary): \stdClass { |
||
515 | $obj = new \stdClass; |
||
516 | foreach ($ary as $name => $val) { |
||
517 | $obj->$name = $val; |
||
518 | } |
||
519 | return $obj; |
||
520 | } |
||
521 | |||
522 | /** |
||
523 | * @param \stdClass $obj |
||
524 | * @return array |
||
525 | */ |
||
526 | function stdobj_to_array(\stdClass $obj): array { |
||
527 | $ary = array(); |
||
1190 | daniel-mar | 528 | foreach ($obj as $name => $val) { /* @phpstan-ignore-line */ |
1156 | daniel-mar | 529 | $ary[$name] = $val; |
530 | } |
||
531 | return $ary; |
||
532 | } |
||
1180 | daniel-mar | 533 | |
534 | /** |
||
535 | * @return string|false |
||
536 | */ |
||
537 | function get_own_username() { |
||
538 | $current_user = exec('whoami'); |
||
539 | if (strtoupper(substr(PHP_OS, 0, 3)) === 'WIN') { |
||
540 | try { |
||
541 | if (function_exists('mb_convert_encoding')) { |
||
542 | $current_user = @mb_convert_encoding($current_user, "UTF-8", "cp850"); |
||
543 | } else if (function_exists('iconv')) { |
||
544 | $current_user = @iconv("cp850", "UTF-8", $current_user); |
||
545 | } |
||
546 | } catch (\Exception $e) {} |
||
547 | if (function_exists('mb_strtoupper')) { |
||
548 | $current_user = mb_strtoupper($current_user); // just cosmetics |
||
549 | } |
||
550 | } |
||
551 | if (!$current_user) { |
||
552 | if (strtoupper(substr(PHP_OS, 0, 3)) === 'WIN') { |
||
553 | // Windows on an IIS server: |
||
554 | // getenv('USERNAME') MARSCHALL$ (That is the "machine account", see https://docs.microsoft.com/en-us/iis/manage/configuring-security/application-pool-identities#accessing-the-network ) |
||
555 | // get_current_user() DefaultAppPool |
||
556 | // exec('whoami') iis apppool\defaultapppool |
||
557 | // Windows with XAMPP: |
||
558 | // getenv('USERNAME') dmarschall |
||
559 | // get_current_user() dmarschall (even if script has a different NTFS owner!) |
||
560 | // exec('whoami') hickelsoft\dmarschall |
||
561 | $current_user = get_current_user(); |
||
562 | if (!$current_user) { |
||
563 | $current_user = getenv('USERNAME'); |
||
564 | $current_user = mb_strtoupper($current_user); // just cosmetics |
||
565 | } |
||
566 | } else { |
||
567 | // On Linux: |
||
568 | $current_user = exec('id -un'); |
||
569 | if (!$current_user) { |
||
570 | // PHP'S get_current_user() will get the owner of the PHP script, not the process owner! |
||
571 | // We want the process owner, so we use posix_geteuid() preferably. |
||
572 | if (function_exists('posix_geteuid')) { |
||
573 | $uid = posix_geteuid(); |
||
574 | } else { |
||
575 | $temp_file = tempnam(sys_get_temp_dir(), 'TMP'); |
||
576 | if ($temp_file !== false) { |
||
577 | $uid = fileowner($temp_file); |
||
578 | if ($uid === false) $uid = -1; |
||
579 | @unlink($temp_file); |
||
580 | } else { |
||
581 | $uid = -1; |
||
582 | } |
||
583 | } |
||
584 | if ($uid >= 0) { |
||
585 | $current_user = '#' . $uid; |
||
586 | if (function_exists('posix_getpwuid')) { |
||
587 | $userinfo = posix_getpwuid($uid); // receive username from the UID (requires read access to /etc/passwd) |
||
588 | if ($userinfo !== false) $current_user = $userinfo['name']; |
||
589 | } |
||
590 | } else { |
||
591 | $current_user = get_current_user(); |
||
592 | } |
||
593 | } |
||
594 | } |
||
595 | } |
||
596 | return $current_user ?: false; |
||
597 | } |
||
598 | |||
599 | /** |
||
600 | * @param string $path |
||
601 | * @return bool |
||
602 | */ |
||
603 | function isFileOrPathWritable(string $path): bool { |
||
604 | if ($writable_file = (file_exists($path) && is_writable($path))) return true; |
||
605 | if ($writable_directory = (!file_exists($path) && is_writable(dirname($path)))) return true; |
||
606 | return false; |
||
1190 | daniel-mar | 607 | } |
1219 | daniel-mar | 608 | |
609 | /** |
||
610 | * @param string $html |
||
611 | * @return string |
||
612 | */ |
||
613 | function html_to_text(string $html): string { |
||
614 | $html = str_replace("\n", "", $html); |
||
615 | $html = str_ireplace('<br', "\n<br", $html); |
||
616 | $html = str_ireplace('<p', "\n\n<p", $html); |
||
617 | $html = strip_tags($html); |
||
618 | $html = html_entity_decode($html, ENT_QUOTES, 'UTF-8'); |
||
619 | return $html; |
||
620 | } |
||
1265 | daniel-mar | 621 | |
622 | /** |
||
623 | * Get header Authorization |
||
624 | * @see https://stackoverflow.com/questions/40582161/how-to-properly-use-bearer-tokens |
||
625 | **/ |
||
626 | function getAuthorizationHeader(){ |
||
627 | $headers = null; |
||
628 | if (isset($_SERVER['Authorization'])) { |
||
629 | $headers = trim($_SERVER["Authorization"]); |
||
630 | } |
||
631 | else if (isset($_SERVER['HTTP_AUTHORIZATION'])) { //Nginx or fast CGI |
||
632 | $headers = trim($_SERVER["HTTP_AUTHORIZATION"]); |
||
633 | } elseif (function_exists('apache_request_headers')) { |
||
634 | $requestHeaders = apache_request_headers(); |
||
635 | // Server-side fix for bug in old Android versions (a nice side-effect of this fix means we don't care about capitalization for Authorization) |
||
636 | $requestHeaders = array_combine(array_map('ucwords', array_keys($requestHeaders)), array_values($requestHeaders)); |
||
637 | //print_r($requestHeaders); |
||
638 | if (isset($requestHeaders['Authorization'])) { |
||
639 | $headers = trim($requestHeaders['Authorization']); |
||
640 | } |
||
641 | } |
||
642 | return $headers; |
||
643 | } |
||
644 | |||
645 | /** |
||
646 | * get access token from header |
||
647 | * @see https://stackoverflow.com/questions/40582161/how-to-properly-use-bearer-tokens |
||
648 | **/ |
||
649 | function getBearerToken() { |
||
650 | $headers = getAuthorizationHeader(); |
||
651 | // HEADER: Get the access token from the header |
||
652 | if (!empty($headers)) { |
||
653 | if (preg_match('/Bearer\s(\S+)/', $headers, $matches)) { |
||
654 | return $matches[1]; |
||
655 | } |
||
656 | } |
||
657 | return null; |
||
658 | } |
||
1276 | daniel-mar | 659 | |
660 | /** |
||
661 | * @param array $struct |
||
662 | * @return string |
||
663 | */ |
||
664 | function array_to_html_ul_li(array $struct): string { |
||
665 | $res = ''; |
||
666 | $res .= '<ul>'; |
||
667 | foreach ($struct as $name => $val) { |
||
668 | $res .= '<li>'; |
||
669 | if (is_array($val)) { |
||
670 | $res .= $name . array_to_html_ul_li($val); |
||
671 | } else { |
||
672 | $res .= $val; |
||
673 | } |
||
674 | $res .= '</li>'; |
||
675 | } |
||
676 | $res .= '</ul>'; |
||
677 | return $res; |
||
678 | } |
||
1294 | daniel-mar | 679 | |
680 | /** |
||
681 | * @param mixed $mixed |
||
682 | * @return bool |
||
683 | */ |
||
684 | function oidplus_is_true($mixed): bool { |
||
685 | if (is_null($mixed)) { |
||
686 | return false; |
||
687 | } else if (is_string($mixed)) { |
||
688 | return (strtolower($mixed) == 'true') || ($mixed == '1') || (strtolower($mixed) == 'y') || (strtolower($mixed) == 't'); |
||
689 | } else if (is_bool($mixed)) { |
||
690 | return $mixed; |
||
691 | } else if (is_numeric($mixed)) { |
||
692 | return $mixed != 0; |
||
693 | } else { |
||
694 | return $mixed ? true : false; // let PHP decide... |
||
695 | } |
||
696 | } |