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authorThomas Lange <code@nerdmind.de>2017-02-24 21:27:59 +0100
committerThomas Lange <code@nerdmind.de>2017-02-24 21:27:59 +0100
commit52b077a48c743ba4d08ac00520a0bf1ef6deef5f (patch)
treeb4205c194167e0e03e273957cdd0aab3be9fdf01 /core/namespace/HTTP.php
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Initial commit.v1.0
Diffstat (limited to 'core/namespace/HTTP.php')
-rw-r--r--core/namespace/HTTP.php234
1 files changed, 234 insertions, 0 deletions
diff --git a/core/namespace/HTTP.php b/core/namespace/HTTP.php
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+<?php
+class HTTP {
+ private static $GET = NULL;
+ private static $POST = NULL;
+ private static $FILE = NULL;
+
+ #===============================================================================
+ # HTTP protocol versions
+ #===============================================================================
+ const VERSION_1_0 = 'HTTP/1.0';
+ const VERSION_1_1 = 'HTTP/1.1';
+ const VERSION_2_0 = 'HTTP/2.0';
+
+ #===============================================================================
+ # HTTP header fields
+ #===============================================================================
+ const HEADER_ETAG = 'ETag';
+ const HEADER_CONTENT_TYPE = 'Content-Type';
+ const HEADER_TRANSFER_ENCODING = 'Transfer-Encoding';
+ const HEADER_ACCESS_CONTROL = 'Access-Control-Allow-Origin';
+
+ #===============================================================================
+ # Values for HTTP header fields
+ #===============================================================================
+ const CONTENT_TYPE_JSCRIPT = 'application/x-javascript; charset=UTF-8';
+ const CONTENT_TYPE_TEXT = 'text/plain; charset=UTF-8';
+ const CONTENT_TYPE_HTML = 'text/html; charset=UTF-8';
+ const CONTENT_TYPE_JSON = 'application/json; charset=UTF-8';
+ const CONTENT_TYPE_XML = 'text/xml; charset=UTF-8';
+
+ #===============================================================================
+ # HTTP status codes
+ #===============================================================================
+ const RESPONSE_CODE = [
+ 100 => 'Continue',
+ 101 => 'Switching Protocols',
+ 200 => 'OK',
+ 201 => 'Created',
+ 202 => 'Accepted',
+ 203 => 'Non-Authoritative Information',
+ 204 => 'No Content',
+ 205 => 'Reset Content',
+ 206 => 'Partial Content',
+ 300 => 'Multiple Choices',
+ 301 => 'Moved Permanently',
+ 302 => 'Found',
+ 303 => 'See Other',
+ 304 => 'Not Modified',
+ 305 => 'Use Proxy',
+ 307 => 'Temporary Redirect',
+ 400 => 'Bad Request',
+ 401 => 'Unauthorized',
+ 402 => 'Payment Required',
+ 403 => 'Forbidden',
+ 404 => 'Not Found',
+ 405 => 'Method Not Allowed',
+ 406 => 'Not Acceptable',
+ 407 => 'Proxy Authentication Required',
+ 408 => 'Request Time-out',
+ 409 => 'Conflict',
+ 410 => 'Gone',
+ 411 => 'Length Required',
+ 412 => 'Precondition Failed',
+ 413 => 'Request Entity Too Large',
+ 414 => 'Request-URI Too Large',
+ 415 => 'Unsupported Media Type',
+ 416 => 'Requested range not satisfiable',
+ 417 => 'Expectation Failed',
+ 500 => 'Internal Server Error',
+ 501 => 'Not Implemented',
+ 502 => 'Bad Gateway',
+ 503 => 'Service Unavailable',
+ 504 => 'Gateway Time-out'
+ ];
+
+ #===============================================================================
+ # Initialize $GET, $POST and $FILE
+ #===============================================================================
+ public static function init($GET, $POST, $FILE, $removeArrays = FALSE, $trimValues = TRUE) {
+ self::$GET = $GET;
+ self::$POST = $POST;
+ self::$FILE = $FILE;
+
+ $removeArrays AND self::removeArrays();
+
+ self::$GET = ($trimValues === TRUE ? self::trim(self::$GET) : self::$GET );
+ self::$POST = ($trimValues === TRUE ? self::trim(self::$POST) : self::$POST);
+ }
+
+ #===============================================================================
+ # Remove all arrays from $_GET and $_POST
+ #===============================================================================
+ private static function removeArrays() {
+ foreach(['GET', 'POST'] as $HTTP) {
+ foreach(self::$$HTTP as $name => $value) {
+ if(is_array(self::$$HTTP[$name])) {
+ unset(self::$$HTTP[$name]);
+ }
+ }
+ }
+ }
+
+ #===============================================================================
+ # Trim all strings in argument
+ #===============================================================================
+ private static function trim($mixed) {
+ if(is_array($mixed)) {
+ return array_map('self::trim', $mixed);
+ }
+
+ return trim($mixed);
+ }
+
+ #===============================================================================
+ # Checks if all elements of $arguments are set as key of $data
+ #===============================================================================
+ private static function issetData($data, $arguments) {
+ foreach($arguments as $key) {
+ if(is_array($key)) {
+ if(!isset($data[key($key)]) OR $data[key($key)] !== $key[key($key)]) {
+ return FALSE;
+ }
+ }
+
+ else if(!isset($data[$key]) OR !is_string($data[$key])) {
+ return FALSE;
+ }
+ }
+
+ return TRUE;
+ }
+
+ #===============================================================================
+ # Return null or the value (if set) from one of the three requests attributes
+ #===============================================================================
+ public static function returnKey($data, array $paths) {
+ $current = &$data;
+
+ foreach($paths as $path) {
+ if(!isset($current[$path])) {
+ return NULL;
+ }
+ $current = &$current[$path];
+ }
+
+ return $current;
+ }
+
+ #===============================================================================
+ # Return GET value
+ #===============================================================================
+ public static function GET() {
+ return self::returnKey(self::$GET, func_get_args());
+ }
+
+ #===============================================================================
+ # Return POST value
+ #===============================================================================
+ public static function POST() {
+ return self::returnKey(self::$POST, func_get_args());
+ }
+
+ #===============================================================================
+ # Return FILE value
+ #===============================================================================
+ public static function FILE() {
+ return self::returnKey(self::$FILE, func_get_args());
+ }
+
+ #===============================================================================
+ # Checks if all elements of func_get_args() are set key of self::$POST
+ #===============================================================================
+ public static function issetPOST() {
+ return self::issetData(self::$POST, func_get_args());
+ }
+
+ #===============================================================================
+ # Checks if all elements of func_get_args() are set key of self::$GET
+ #===============================================================================
+ public static function issetGET() {
+ return self::issetData(self::$GET, func_get_args());
+ }
+
+ #===============================================================================
+ # Checks if all elements of func_get_args() are set key of self::$FILE
+ #===============================================================================
+ public static function issetFILE() {
+ return self::issetData(self::$FILE, func_get_args());
+ }
+
+ #===============================================================================
+ # Return HTTP request method or check if request method equals with $method
+ #===============================================================================
+ public static function requestMethod($method = NULL) {
+ if(!empty($method)) {
+ return ($_SERVER['REQUEST_METHOD'] === $method);
+ }
+
+ return $_SERVER['REQUEST_METHOD'];
+ }
+
+ #===============================================================================
+ # Return REQUEST_URL
+ #===============================================================================
+ public static function requestURI() {
+ return $_SERVER['REQUEST_URL'] ?? FALSE;
+ }
+
+ #===============================================================================
+ # Sends a HTTP header line to the client
+ #===============================================================================
+ public static function responseHeader($field, $value) {
+ self::sendHeader("{$field}: {$value}");
+ }
+
+ #===============================================================================
+ # Sends a HTTP redirect to the client
+ #===============================================================================
+ public static function redirect($location, $code = 303, $exit = TRUE) {
+ http_response_code($code);
+ self::sendHeader("Location: {$location}");
+ $exit AND exit();
+ }
+
+ #===============================================================================
+ # Sends a new HTTP header line to the client if headers are not already sent
+ #===============================================================================
+ private static function sendHeader($header) {
+ if(!headers_sent()) {
+ header($header);
+ }
+ }
+}
+?> \ No newline at end of file