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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(); |
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(); |
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, $reasonPhrase = '' ); |
87 | |
88 | // MessageInterface |
89 | |
90 | /** |
91 | * Retrieves the HTTP protocol version as a string. |
92 | * |
93 | * The string MUST contain only the HTTP version number (e.g., "1.1", "1.0"). |
94 | * |
95 | * @return string HTTP protocol version. |
96 | */ |
97 | public function getProtocolVersion(); |
98 | |
99 | /** |
100 | * Retrieves all message header values. |
101 | * |
102 | * The keys represent the header name as it will be sent over the wire, and |
103 | * each value is an array of strings associated with the header. |
104 | * |
105 | * // Represent the headers as a string |
106 | * foreach ($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(); |
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( $name ); |
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( $name ); |
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( $name ); |
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 | } |