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- 28.08.2024
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UriFactory.php
001 <?php
002
003 namespace OAuth\Common\Http\Uri;
004
005 use RuntimeException;
006
007 /**
008 * Factory class for uniform resource indicators.
009 */
010 class UriFactory implements UriFactoryInterface
011 {
012 /**
013 * Factory method to build a URI from a super-global $_SERVER array.
014 *
015 * @return UriInterface
016 */
017 public function createFromSuperGlobalArray(array $_server)
018 {
019 if ($uri = $this->attemptProxyStyleParse($_server)) {
020 return $uri;
021 }
022
023 $scheme = $this->detectScheme($_server);
024 $host = $this->detectHost($_server);
025 $port = $this->detectPort($_server);
026 $path = $this->detectPath($_server);
027 $query = $this->detectQuery($_server);
028
029 return $this->createFromParts($scheme, '', $host, $port, $path, $query);
030 }
031
032 /**
033 * @param string $absoluteUri
034 *
035 * @return UriInterface
036 */
037 public function createFromAbsolute($absoluteUri)
038 {
039 return new Uri($absoluteUri);
040 }
041
042 /**
043 * Factory method to build a URI from parts.
044 *
045 * @param string $scheme
046 * @param string $userInfo
047 * @param string $host
048 * @param string $port
049 * @param string $path
050 * @param string $query
051 * @param string $fragment
052 *
053 * @return UriInterface
054 */
055 public function createFromParts($scheme, $userInfo, $host, $port, $path = '', $query = '', $fragment = '')
056 {
057 $uri = new Uri();
058 $uri->setScheme($scheme);
059 $uri->setUserInfo($userInfo);
060 $uri->setHost($host);
061 $uri->setPort($port);
062 $uri->setPath($path);
063 $uri->setQuery($query);
064 $uri->setFragment($fragment);
065
066 return $uri;
067 }
068
069 /**
070 * @param array $_server
071 *
072 * @return null|UriInterface
073 */
074 private function attemptProxyStyleParse($_server)
075 {
076 // If the raw HTTP request message arrives with a proxy-style absolute URI in the
077 // initial request line, the absolute URI is stored in $_SERVER['REQUEST_URI'] and
078 // we only need to parse that.
079 if (isset($_server['REQUEST_URI']) && parse_url($_server['REQUEST_URI'], PHP_URL_SCHEME)) {
080 return new Uri($_server['REQUEST_URI']);
081 }
082
083 return null;
084 }
085
086 /**
087 * @param array $_server
088 *
089 * @return string
090 */
091 private function detectPath($_server)
092 {
093 if (isset($_server['REQUEST_URI'])) {
094 $uri = $_server['REQUEST_URI'];
095 } elseif (isset($_server['REDIRECT_URL'])) {
096 $uri = $_server['REDIRECT_URL'];
097 } else {
098 throw new RuntimeException('Could not detect URI path from superglobal');
099 }
100
101 $queryStr = strpos($uri, '?');
102 if ($queryStr !== false) {
103 $uri = substr($uri, 0, $queryStr);
104 }
105
106 return $uri;
107 }
108
109 /**
110 * @return string
111 */
112 private function detectHost(array $_server)
113 {
114 $host = $_server['HTTP_HOST'] ?? '';
115
116 if (strstr($host, ':')) {
117 $host = parse_url($host, PHP_URL_HOST);
118 }
119
120 return $host;
121 }
122
123 /**
124 * @return string
125 */
126 private function detectPort(array $_server)
127 {
128 return $_server['SERVER_PORT'] ?? 80;
129 }
130
131 /**
132 * @return string
133 */
134 private function detectQuery(array $_server)
135 {
136 return $_server['QUERY_STRING'] ?? '';
137 }
138
139 /**
140 * Determine URI scheme component from superglobal array.
141 *
142 * When using ISAPI with IIS, the value will be "off" if the request was
143 * not made through the HTTPS protocol. As a result, we filter the
144 * value to a bool.
145 *
146 * @param array $_server A super-global $_SERVER array
147 *
148 * @return string Returns http or https depending on the URI scheme
149 */
150 private function detectScheme(array $_server)
151 {
152 if (isset($_server['HTTPS']) && filter_var($_server['HTTPS'], FILTER_VALIDATE_BOOLEAN)) {
153 return 'https';
154 }
155
156 return 'http';
157 }
158 }
159