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2 | daniel-mar | 1 | <?php |
2 | |||
3 | /* |
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4 | * OIDplus 2.0 |
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5 | * Copyright 2019 Daniel Marschall, ViaThinkSoft |
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6 | * |
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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 | |||
20 | function insertWhitespace($str, $index) { |
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21 | return substr($str, 0, $index) . ' ' . substr($str, $index); |
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22 | } |
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23 | |||
24 | function js_escape($data) { |
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25 | // TODO.... json_encode?? |
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26 | return "'" . str_replace('\\', '\\\\', $data) . "'"; |
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27 | } |
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28 | |||
11 | daniel-mar | 29 | function trim_br($html) { |
30 | do { $html = preg_replace('@^\s*<\s*br\s*/{0,1}\s*>@isU', '', $html, -1, $count); } while ($count > 0); // left trim |
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31 | do { $html = preg_replace('@<\s*br\s*/{0,1}\s*>\s*$@isU', '', $html, -1, $count); } while ($count > 0); // right trim |
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32 | return $html; |
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33 | } |
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74 | daniel-mar | 34 | |
35 | function verify_private_public_key($privKey, $pubKey) { |
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36 | try { |
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37 | if (empty($privKey)) return false; |
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38 | if (empty($pubKey)) return false; |
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39 | $data = 'TEST'; |
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40 | if (!@openssl_public_encrypt($data, $encrypted, $pubKey)) return false; |
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41 | if (!@openssl_private_decrypt($encrypted, $decrypted, $privKey)) return false; |
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42 | return $decrypted == $data; |
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43 | } catch (Exception $e) { |
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44 | return false; |
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45 | } |
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46 | } |
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47 | |||
48 | function smallhash($data) { // get 31 bits from SHA1. Values 0..2147483647 |
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250 | daniel-mar | 49 | return (hexdec(substr(sha1($data),-4*2)) & 0x7FFFFFFF); |
74 | daniel-mar | 50 | } |
180 | daniel-mar | 51 | |
182 | daniel-mar | 52 | function split_firstname_lastname($name) { |
53 | $ary = explode(' ', $name); |
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54 | $last_name = array_pop($ary); |
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55 | $first_name = implode(' ', $ary); |
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56 | return array($first_name, $last_name); |
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57 | } |
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58 | |||
180 | daniel-mar | 59 | function originHeaders() { |
60 | // CORS |
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61 | // Author: Till Wehowski |
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182 | daniel-mar | 62 | |
180 | daniel-mar | 63 | header("Access-Control-Allow-Credentials: true"); |
64 | header("Access-Control-Allow-Origin: ".strip_tags(((isset($_SERVER['HTTP_ORIGIN'])) ? $_SERVER['HTTP_ORIGIN'] : "*"))); |
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65 | |||
66 | header("Access-Control-Allow-Headers: If-None-Match, X-Requested-With, Origin, X-Frdlweb-Bugs, Etag, X-Forgery-Protection-Token, X-CSRF-Token"); |
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67 | |||
68 | if (isset($_SERVER['HTTP_ORIGIN'])) { |
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69 | header('X-Frame-Options: ALLOW-FROM '.$_SERVER['HTTP_ORIGIN']); |
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70 | } else { |
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71 | header_remove("X-Frame-Options"); |
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72 | } |
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73 | |||
74 | $expose = array('Etag', 'X-CSRF-Token'); |
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75 | foreach (headers_list() as $num => $header) { |
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76 | $h = explode(':', $header); |
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77 | $expose[] = trim($h[0]); |
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78 | } |
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79 | header("Access-Control-Expose-Headers: ".implode(',',$expose)); |
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80 | |||
81 | header("Vary: Origin"); |
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82 | } |
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236 | daniel-mar | 83 | |
84 | function get_calling_function() { |
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85 | $ex = new Exception(); |
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86 | $trace = $ex->getTrace(); |
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87 | if (!isset($trace[2])) return '(main)'; |
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88 | $final_call = $trace[2]; |
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89 | return $final_call['file'].':'.$final_call['line'].'/'.$final_call['function'].'()'; |
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90 | } |