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| 1 | <?php |
| 2 | |
| 3 | /** |
| 4 | * Copyright (c) 2019 Wikimedia Foundation. |
| 5 | * |
| 6 | * This file is partly derived from PSR-7, which requires the following copyright notice: |
| 7 | * |
| 8 | * Copyright (c) 2014 PHP Framework Interoperability Group |
| 9 | * |
| 10 | * Permission is hereby granted, free of charge, to any person obtaining a copy |
| 11 | * of this software and associated documentation files (the "Software"), to deal |
| 12 | * in the Software without restriction, including without limitation the rights |
| 13 | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
| 14 | * copies of the Software, and to permit persons to whom the Software is |
| 15 | * furnished to do so, subject to the following conditions: |
| 16 | * |
| 17 | * The above copyright notice and this permission notice shall be included in |
| 18 | * all copies or substantial portions of the Software. |
| 19 | * |
| 20 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| 21 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| 22 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
| 23 | * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| 24 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
| 25 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN |
| 26 | * THE SOFTWARE. |
| 27 | * |
| 28 | * @file |
| 29 | */ |
| 30 | |
| 31 | namespace MediaWiki\Rest; |
| 32 | |
| 33 | use Psr\Http\Message\StreamInterface; |
| 34 | |
| 35 | /** |
| 36 | * An interface similar to PSR-7's ResponseInterface, the primary difference |
| 37 | * being that it is mutable. |
| 38 | * |
| 39 | * @stable to implement |
| 40 | */ |
| 41 | interface ResponseInterface { |
| 42 | // ResponseInterface |
| 43 | |
| 44 | /** |
| 45 | * Gets the response status code. |
| 46 | * |
| 47 | * The status code is a 3-digit integer result code of the server's attempt |
| 48 | * to understand and satisfy the request. |
| 49 | * |
| 50 | * @return int Status code. |
| 51 | */ |
| 52 | public function getStatusCode(): int; |
| 53 | |
| 54 | /** |
| 55 | * Gets the response reason phrase associated with the status code. |
| 56 | * |
| 57 | * Because a reason phrase is not a required element in a response |
| 58 | * status line, the reason phrase value MAY be empty. Implementations MAY |
| 59 | * choose to return the default RFC 7231 recommended reason phrase (or those |
| 60 | * listed in the IANA HTTP Status Code Registry) for the response's |
| 61 | * status code. |
| 62 | * |
| 63 | * @see http://tools.ietf.org/html/rfc7231#section-6 |
| 64 | * @see http://www.iana.org/assignments/http-status-codes/http-status-codes.xhtml |
| 65 | * @return string Reason phrase; must return an empty string if none present. |
| 66 | */ |
| 67 | public function getReasonPhrase(): string; |
| 68 | |
| 69 | // ResponseInterface mutation |
| 70 | |
| 71 | /** |
| 72 | * Set the status code and, optionally, reason phrase. |
| 73 | * |
| 74 | * If no reason phrase is specified, implementations MAY choose to default |
| 75 | * to the RFC 7231 or IANA recommended reason phrase for the response's |
| 76 | * status code. |
| 77 | * |
| 78 | * @see http://tools.ietf.org/html/rfc7231#section-6 |
| 79 | * @see http://www.iana.org/assignments/http-status-codes/http-status-codes.xhtml |
| 80 | * @param int $code The 3-digit integer result code to set. |
| 81 | * @param string $reasonPhrase The reason phrase to use with the |
| 82 | * provided status code; if none is provided, implementations MAY |
| 83 | * use the defaults as suggested in the HTTP specification. |
| 84 | * @throws \InvalidArgumentException For invalid status code arguments. |
| 85 | */ |
| 86 | public function setStatus( $code, $reasonPhrase = '' ); |
| 87 | |
| 88 | // MessageInterface |
| 89 | |
| 90 | /** |
| 91 | * Retrieves the HTTP protocol version as a string. |
| 92 | * |
| 93 | * The string MUST contain only the HTTP version number (e.g., "1.1", "1.0"). |
| 94 | * |
| 95 | * @return string HTTP protocol version. |
| 96 | */ |
| 97 | public function getProtocolVersion(): string; |
| 98 | |
| 99 | /** |
| 100 | * Retrieves all message header values. |
| 101 | * |
| 102 | * The keys represent the header name as it will be sent over the wire, and |
| 103 | * each value is an array of strings associated with the header. |
| 104 | * |
| 105 | * // Represent the headers as a string |
| 106 | * foreach ($message->getHeaders() as $name => $values) { |
| 107 | * echo $name . ': ' . implode(', ', $values); |
| 108 | * } |
| 109 | * |
| 110 | * // Emit headers iteratively: |
| 111 | * foreach ($message->getHeaders() as $name => $values) { |
| 112 | * foreach ($values as $value) { |
| 113 | * header(sprintf('%s: %s', $name, $value), false); |
| 114 | * } |
| 115 | * } |
| 116 | * |
| 117 | * While header names are not case-sensitive, getHeaders() will preserve the |
| 118 | * exact case in which headers were originally specified. |
| 119 | * |
| 120 | * @return string[][] Returns an associative array of the message's headers. |
| 121 | * Each key MUST be a header name, and each value MUST be an array of |
| 122 | * strings for that header. |
| 123 | */ |
| 124 | public function getHeaders(): array; |
| 125 | |
| 126 | /** |
| 127 | * Checks if a header exists by the given case-insensitive name. |
| 128 | * |
| 129 | * @param string $name Case-insensitive header field name. |
| 130 | * @return bool Returns true if any header names match the given header |
| 131 | * name using a case-insensitive string comparison. Returns false if |
| 132 | * no matching header name is found in the message. |
| 133 | */ |
| 134 | public function hasHeader( string $name ): bool; |
| 135 | |
| 136 | /** |
| 137 | * Retrieves a message header value by the given case-insensitive name. |
| 138 | * |
| 139 | * This method returns an array of all the header values of the given |
| 140 | * case-insensitive header name. |
| 141 | * |
| 142 | * If the header does not appear in the message, this method MUST return an |
| 143 | * empty array. |
| 144 | * |
| 145 | * @param string $name Case-insensitive header field name. |
| 146 | * @return string[] An array of string values as provided for the given |
| 147 | * header. If the header does not appear in the message, this method MUST |
| 148 | * return an empty array. |
| 149 | */ |
| 150 | public function getHeader( string $name ): array; |
| 151 | |
| 152 | /** |
| 153 | * Retrieves a comma-separated string of the values for a single header. |
| 154 | * |
| 155 | * This method returns all of the header values of the given |
| 156 | * case-insensitive header name as a string concatenated together using |
| 157 | * a comma. |
| 158 | * |
| 159 | * NOTE: Not all header values may be appropriately represented using |
| 160 | * comma concatenation. For such headers, use getHeader() instead |
| 161 | * and supply your own delimiter when concatenating. |
| 162 | * |
| 163 | * If the header does not appear in the message, this method MUST return |
| 164 | * an empty string. |
| 165 | * |
| 166 | * @param string $name Case-insensitive header field name. |
| 167 | * @return string A string of values as provided for the given header |
| 168 | * concatenated together using a comma. If the header does not appear in |
| 169 | * the message, this method MUST return an empty string. |
| 170 | */ |
| 171 | public function getHeaderLine( string $name ): string; |
| 172 | |
| 173 | /** |
| 174 | * Gets the body of the message. |
| 175 | * |
| 176 | * @return StreamInterface Returns the body as a stream. |
| 177 | */ |
| 178 | public function getBody(); |
| 179 | |
| 180 | // MessageInterface mutation |
| 181 | |
| 182 | /** |
| 183 | * Set the HTTP protocol version. |
| 184 | * |
| 185 | * The version string MUST contain only the HTTP version number (e.g., |
| 186 | * "1.1", "1.0"). |
| 187 | * |
| 188 | * @param string $version HTTP protocol version |
| 189 | */ |
| 190 | public function setProtocolVersion( $version ); |
| 191 | |
| 192 | /** |
| 193 | * Set or replace the specified header. |
| 194 | * |
| 195 | * While header names are case-insensitive, the casing of the header will |
| 196 | * be preserved by this function, and returned from getHeaders(). |
| 197 | * |
| 198 | * @param string $name Case-insensitive header field name. |
| 199 | * @param string|string[] $value Header value(s). |
| 200 | * @throws \InvalidArgumentException for invalid header names or values. |
| 201 | */ |
| 202 | public function setHeader( $name, $value ); |
| 203 | |
| 204 | /** |
| 205 | * Append the given value to the specified header. |
| 206 | * |
| 207 | * Existing values for the specified header will be maintained. The new |
| 208 | * value(s) will be appended to the existing list. If the header did not |
| 209 | * exist previously, it will be added. |
| 210 | * |
| 211 | * @param string $name Case-insensitive header field name to add. |
| 212 | * @param string|string[] $value Header value(s). |
| 213 | * @throws \InvalidArgumentException for invalid header names. |
| 214 | * @throws \InvalidArgumentException for invalid header values. |
| 215 | */ |
| 216 | public function addHeader( $name, $value ); |
| 217 | |
| 218 | /** |
| 219 | * Remove the specified header. |
| 220 | * |
| 221 | * Header resolution MUST be done without case-sensitivity. |
| 222 | * |
| 223 | * @param string $name Case-insensitive header field name to remove. |
| 224 | */ |
| 225 | public function removeHeader( $name ); |
| 226 | |
| 227 | /** |
| 228 | * Set the message body |
| 229 | * |
| 230 | * The body MUST be a StreamInterface object. |
| 231 | * |
| 232 | * @param StreamInterface $body |
| 233 | * @throws \InvalidArgumentException When the body is not valid. |
| 234 | */ |
| 235 | public function setBody( StreamInterface $body ); |
| 236 | |
| 237 | // MediaWiki extensions to PSR-7 |
| 238 | |
| 239 | /** |
| 240 | * Get the full header lines including colon-separated name and value, for |
| 241 | * passing directly to header(). Not including the status line. |
| 242 | * |
| 243 | * @return string[] |
| 244 | */ |
| 245 | public function getRawHeaderLines(); |
| 246 | |
| 247 | /** |
| 248 | * Set a cookie |
| 249 | * |
| 250 | * The name will have the cookie prefix added to it before it is sent over |
| 251 | * the network. |
| 252 | * |
| 253 | * @param string $name The name of the cookie, not including prefix. |
| 254 | * @param string $value The value to be stored in the cookie. |
| 255 | * @param int|null $expire Unix timestamp (in seconds) when the cookie should expire. |
| 256 | * 0 (the default) causes it to expire $wgCookieExpiration seconds from now. |
| 257 | * null causes it to be a session cookie. |
| 258 | * @param array $options Assoc of additional cookie options: |
| 259 | * prefix: string, name prefix ($wgCookiePrefix) |
| 260 | * domain: string, cookie domain ($wgCookieDomain) |
| 261 | * path: string, cookie path ($wgCookiePath) |
| 262 | * secure: bool, secure attribute ($wgCookieSecure) |
| 263 | * httpOnly: bool, httpOnly attribute ($wgCookieHttpOnly) |
| 264 | */ |
| 265 | public function setCookie( $name, $value, $expire = 0, $options = [] ); |
| 266 | |
| 267 | /** |
| 268 | * Get all previously set cookies as a list of associative arrays with |
| 269 | * the following keys: |
| 270 | * |
| 271 | * - name: The cookie name |
| 272 | * - value: The cookie value |
| 273 | * - expire: The requested expiry time |
| 274 | * - options: An associative array of further options |
| 275 | * |
| 276 | * @return array |
| 277 | * @phan-return array{name:string,value:mixed,expire:int,options:array} |
| 278 | */ |
| 279 | public function getCookies(); |
| 280 | } |