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| 1 | +<?php |
| 2 | + |
| 3 | +/** |
| 4 | + * Copyright 2013 François Kooman <[email protected]>. |
| 5 | + * |
| 6 | + * Licensed under the Apache License, Version 2.0 (the "License"); |
| 7 | + * you may not use this file except in compliance with the License. |
| 8 | + * You may obtain a copy of the License at |
| 9 | + * |
| 10 | + * http://www.apache.org/licenses/LICENSE-2.0 |
| 11 | + * |
| 12 | + * Unless required by applicable law or agreed to in writing, software |
| 13 | + * distributed under the License is distributed on an "AS IS" BASIS, |
| 14 | + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 15 | + * See the License for the specific language governing permissions and |
| 16 | + * limitations under the License. |
| 17 | + */ |
| 18 | + |
| 19 | +namespace fkooman\VootProvider\Http; |
| 20 | + |
| 21 | +class IncomingRequest |
| 22 | +{ |
| 23 | + public function __construct() |
| 24 | + { |
| 25 | + $required_keys = ['SERVER_NAME', 'SERVER_PORT', 'REQUEST_URI', 'REQUEST_METHOD']; |
| 26 | + foreach ($required_keys as $r) { |
| 27 | + if (!array_key_exists($r, $_SERVER) || empty($_SERVER[$r])) { |
| 28 | + throw new IncomingRequestException('missing (one or more) required environment variables'); |
| 29 | + } |
| 30 | + } |
| 31 | + } |
| 32 | + |
| 33 | + public function getRequestMethod() |
| 34 | + { |
| 35 | + return $_SERVER['REQUEST_METHOD']; |
| 36 | + } |
| 37 | + |
| 38 | + public function getPathInfo() |
| 39 | + { |
| 40 | + return array_key_exists('PATH_INFO', $_SERVER) ? $_SERVER['PATH_INFO'] : null; |
| 41 | + } |
| 42 | + |
| 43 | + public function getRequestUri() |
| 44 | + { |
| 45 | + // scheme |
| 46 | + $proxy = false; |
| 47 | + if (array_key_exists('HTTPS', $_SERVER) && !empty($_SERVER['HTTPS']) && $_SERVER['HTTPS'] !== 'off') { |
| 48 | + $scheme = 'https'; |
| 49 | + } elseif (array_key_exists('HTTP_X_FORWARDED_PROTO', $_SERVER) && 'https' === $_SERVER['HTTP_X_FORWARDED_PROTO']) { |
| 50 | + // HTTPS to HTTP proxy is present |
| 51 | + $scheme = 'https'; |
| 52 | + $proxy = true; |
| 53 | + } else { |
| 54 | + $scheme = 'http'; |
| 55 | + } |
| 56 | + |
| 57 | + // server name |
| 58 | + if (filter_var($_SERVER['SERVER_NAME'], FILTER_VALIDATE_IP, FILTER_FLAG_IPV6) === false) { |
| 59 | + $name = $_SERVER['SERVER_NAME']; |
| 60 | + } else { |
| 61 | + $name = '['.$_SERVER['SERVER_NAME'].']'; |
| 62 | + } |
| 63 | + |
| 64 | + // server port |
| 65 | + if (($_SERVER['SERVER_PORT'] === '80' && ($scheme === 'http' || $proxy)) || ($_SERVER['SERVER_PORT'] === '443' && $scheme === 'https')) { |
| 66 | + $port = ''; |
| 67 | + } else { |
| 68 | + $port = ':'.$_SERVER['SERVER_PORT']; |
| 69 | + } |
| 70 | + |
| 71 | + return $scheme.'://'.$name.$port.$_SERVER['REQUEST_URI']; |
| 72 | + } |
| 73 | + |
| 74 | + public function getContent() |
| 75 | + { |
| 76 | + if ($_SERVER['REQUEST_METHOD'] !== 'POST' && $_SERVER['REQUEST_METHOD'] !== 'PUT') { |
| 77 | + return null; |
| 78 | + } |
| 79 | + if (array_key_exists('CONTENT_LENGTH', $_SERVER) && $_SERVER['CONTENT_LENGTH'] > 0) { |
| 80 | + return $this->getRawContent(); |
| 81 | + } |
| 82 | + |
| 83 | + return null; |
| 84 | + } |
| 85 | + |
| 86 | + public function getRawContent() |
| 87 | + { |
| 88 | + return file_get_contents('php://input'); |
| 89 | + } |
| 90 | + |
| 91 | + public function getBasicAuthUser() |
| 92 | + { |
| 93 | + if (array_key_exists('PHP_AUTH_USER', $_SERVER)) { |
| 94 | + return $_SERVER['PHP_AUTH_USER']; |
| 95 | + } |
| 96 | + |
| 97 | + return null; |
| 98 | + } |
| 99 | + |
| 100 | + public function getBasicAuthPass() |
| 101 | + { |
| 102 | + if (array_key_exists('PHP_AUTH_PW', $_SERVER)) { |
| 103 | + return $_SERVER['PHP_AUTH_PW']; |
| 104 | + } |
| 105 | + |
| 106 | + return null; |
| 107 | + } |
| 108 | + |
| 109 | + public function getRequestHeaders() |
| 110 | + { |
| 111 | + $requestHeaders = []; |
| 112 | + |
| 113 | + // normalize headers from $_SERVER |
| 114 | + foreach ($_SERVER as $k => $v) { |
| 115 | + $key = Request::normalizeHeaderKey($k); |
| 116 | + $requestHeaders[$key] = $v; |
| 117 | + } |
| 118 | + |
| 119 | + // also normalize Apache headers (if available), but do not override |
| 120 | + // headers from $_SERVER |
| 121 | + if (function_exists('apache_request_headers')) { |
| 122 | + $apacheHeaders = apache_request_headers(); |
| 123 | + foreach ($apacheHeaders as $k => $v) { |
| 124 | + $key = Request::normalizeHeaderKey($k); |
| 125 | + if (!array_key_exists($key, $requestHeaders)) { |
| 126 | + $requestHeaders[$key] = $v; |
| 127 | + } |
| 128 | + } |
| 129 | + } |
| 130 | + |
| 131 | + return $requestHeaders; |
| 132 | + } |
| 133 | +} |
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