initial sabre upgrade (needs lots of work - to wit: authentication, redo the browser interface, and rework event export/import)

1 files changed, 194 insertions, 0 deletions

diff --git a/vendor/sabre/http/lib/Response.php b/vendor/sabre/http/lib/Response.php
new file mode 100644
index 000000000..d2ba6d40d
--- /dev/null
+++ b/vendor/sabre/http/lib/Response.php
@@ -0,0 +1,194 @@
+<?php
+
+namespace Sabre\HTTP;
+
+/**
+ * This class represents a single HTTP response.
+ *
+ * @copyright Copyright (C) fruux GmbH (https://fruux.com/)
+ * @author Evert Pot (http://evertpot.com/)
+ * @license http://sabre.io/license/ Modified BSD License
+ */
+class Response extends Message implements ResponseInterface {
+
+    /**
+     * This is the list of currently registered HTTP status codes.
+     *
+     * @var array
+     */
+    static $statusCodes = [
+        100 => 'Continue',
+        101 => 'Switching Protocols',
+        102 => 'Processing',
+        200 => 'OK',
+        201 => 'Created',
+        202 => 'Accepted',
+        203 => 'Non-Authorative Information',
+        204 => 'No Content',
+        205 => 'Reset Content',
+        206 => 'Partial Content',
+        207 => 'Multi-Status', // RFC 4918
+        208 => 'Already Reported', // RFC 5842
+        226 => 'IM Used', // RFC 3229
+        300 => 'Multiple Choices',
+        301 => 'Moved Permanently',
+        302 => 'Found',
+        303 => 'See Other',
+        304 => 'Not Modified',
+        305 => 'Use Proxy',
+        307 => 'Temporary Redirect',
+        308 => 'Permanent 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 Timeout',
+        409 => 'Conflict',
+        410 => 'Gone',
+        411 => 'Length Required',
+        412 => 'Precondition failed',
+        413 => 'Request Entity Too Large',
+        414 => 'Request-URI Too Long',
+        415 => 'Unsupported Media Type',
+        416 => 'Requested Range Not Satisfiable',
+        417 => 'Expectation Failed',
+        418 => 'I\'m a teapot', // RFC 2324
+        421 => 'Misdirected Request', // RFC7540 (HTTP/2)
+        422 => 'Unprocessable Entity', // RFC 4918
+        423 => 'Locked', // RFC 4918
+        424 => 'Failed Dependency', // RFC 4918
+        426 => 'Upgrade Required',
+        428 => 'Precondition Required', // RFC 6585
+        429 => 'Too Many Requests', // RFC 6585
+        431 => 'Request Header Fields Too Large', // RFC 6585
+        451 => 'Unavailable For Legal Reasons', // draft-tbray-http-legally-restricted-status
+        500 => 'Internal Server Error',
+        501 => 'Not Implemented',
+        502 => 'Bad Gateway',
+        503 => 'Service Unavailable',
+        504 => 'Gateway Timeout',
+        505 => 'HTTP Version not supported',
+        506 => 'Variant Also Negotiates',
+        507 => 'Insufficient Storage', // RFC 4918
+        508 => 'Loop Detected', // RFC 5842
+        509 => 'Bandwidth Limit Exceeded', // non-standard
+        510 => 'Not extended',
+        511 => 'Network Authentication Required', // RFC 6585
+    ];
+
+    /**
+     * HTTP status code
+     *
+     * @var int
+     */
+    protected $status;
+
+    /**
+     * HTTP status text
+     *
+     * @var string
+     */
+    protected $statusText;
+
+    /**
+     * Creates the response object
+     *
+     * @param string|int $status
+     * @param array $headers
+     * @param resource $body
+     * @return void
+     */
+    function __construct($status = null, array $headers = null, $body = null) {
+
+        if (!is_null($status)) $this->setStatus($status);
+        if (!is_null($headers)) $this->setHeaders($headers);
+        if (!is_null($body)) $this->setBody($body);
+
+    }
+
+
+    /**
+     * Returns the current HTTP status code.
+     *
+     * @return int
+     */
+    function getStatus() {
+
+        return $this->status;
+
+    }
+
+    /**
+     * Returns the human-readable status string.
+     *
+     * In the case of a 200, this may for example be 'OK'.
+     *
+     * @return string
+     */
+    function getStatusText() {
+
+        return $this->statusText;
+
+    }
+
+    /**
+     * Sets the HTTP status code.
+     *
+     * This can be either the full HTTP status code with human readable string,
+     * for example: "403 I can't let you do that, Dave".
+     *
+     * Or just the code, in which case the appropriate default message will be
+     * added.
+     *
+     * @param string|int $status
+     * @throws \InvalidArgumentExeption
+     * @return void
+     */
+    function setStatus($status) {
+
+        if (ctype_digit($status) || is_int($status)) {
+
+            $statusCode = $status;
+            $statusText = isset(self::$statusCodes[$status]) ? self::$statusCodes[$status] : 'Unknown';
+
+        } else {
+            list(
+                $statusCode,
+                $statusText
+            ) = explode(' ', $status, 2);
+        }
+        if ($statusCode < 100 || $statusCode > 999) {
+            throw new \InvalidArgumentException('The HTTP status code must be exactly 3 digits');
+        }
+
+        $this->status = $statusCode;
+        $this->statusText = $statusText;
+
+    }
+
+    /**
+     * Serializes the response object as a string.
+     *
+     * This is useful for debugging purposes.
+     *
+     * @return string
+     */
+    function __toString() {
+
+        $str = 'HTTP/' . $this->httpVersion . ' ' . $this->getStatus() . ' ' . $this->getStatusText() . "\r\n";
+        foreach ($this->getHeaders() as $key => $value) {
+            foreach ($value as $v) {
+                $str .= $key . ": " . $v . "\r\n";
+            }
+        }
+        $str .= "\r\n";
+        $str .= $this->getBodyAsString();
+        return $str;
+
+    }
+
+}