ApiFormatBase::getParameterFromSettings() - Code Metrics - wikimedia/mediawiki - Measure and Improve Code Quality continuously with Scrutinizer

ApiFormatBase::getParameterFromSettings() A
last analyzed 2016-11-13 17:42 UTC

↳ Parent: ApiFormatBase

Complexity

Conditions	4
Paths	4

Size

Total Lines	13
Code Lines	9

Duplication

Lines	0
Ratio	0 %

Importance

Changes

Metric	Value
cc	4
eloc	9
nc	4
nop	3
dl	0
loc	13
rs	9.2
c	0
b	0
f	0

<?php
/**
 *
 *
 * Created on Sep 19, 2006
 *
 * Copyright © 2006 Yuri Astrakhan "<Firstname><Lastname>@gmail.com"
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License along
 * with this program; if not, write to the Free Software Foundation, Inc.,
 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
 * http://www.gnu.org/copyleft/gpl.html
 *
 * @file
 */

/**
 * This is the abstract base class for API formatters.
 *
 * @ingroup API
 */
abstract class ApiFormatBase extends ApiBase {
	private $mIsHtml, $mFormat, $mUnescapeAmps, $mHelp;

	private $mBuffer, $mDisabled = false;

	private $mIsWrappedHtml = false;
	private $mHttpStatus = false;
	protected $mForceDefaultParams = false;

	/**
	 * If $format ends with 'fm', pretty-print the output in HTML.
	 * @param ApiMain $main
	 * @param string $format Format name
	 */
	public function __construct( ApiMain $main, $format ) {
		parent::__construct( $main, $format );

		$this->mIsHtml = ( substr( $format, -2, 2 ) === 'fm' ); // ends with 'fm'
		if ( $this->mIsHtml ) {
			$this->mFormat = substr( $format, 0, -2 ); // remove ending 'fm'
			$this->mIsWrappedHtml = $this->getMain()->getCheck( 'wrappedhtml' );
		} else {
			$this->mFormat = $format;
		}
		$this->mFormat = strtoupper( $this->mFormat );
	}

	/**
	 * Overriding class returns the MIME type that should be sent to the client.
	 *
	 * When getIsHtml() returns true, the return value here is used for syntax
	 * highlighting but the client sees text/html.
	 *
	 * @return string
	 */
	abstract public function getMimeType();

	/**
	 * Get the internal format name
	 * @return string
	 */
	public function getFormat() {
		return $this->mFormat;
	}

	/**
	 * Returns true when the HTML pretty-printer should be used.
	 * The default implementation assumes that formats ending with 'fm'
	 * should be formatted in HTML.
	 * @return bool
	 */
	public function getIsHtml() {
		return $this->mIsHtml;
	}

	/**
	 * Returns true when the special wrapped mode is enabled.
	 * @since 1.27
	 * @return bool
	 */
	protected function getIsWrappedHtml() {
		return $this->mIsWrappedHtml;
	}

	/**
	 * Disable the formatter.
	 *
	 * This causes calls to initPrinter() and closePrinter() to be ignored.
	 */
	public function disable() {
		$this->mDisabled = true;
	}

	/**
	 * Whether the printer is disabled
	 * @return bool
	 */
	public function isDisabled() {
		return $this->mDisabled;
	}

	/**
	 * Whether this formatter can handle printing API errors.
	 *
	 * If this returns false, then on API errors the default printer will be
	 * instantiated.
	 * @since 1.23
	 * @return bool
	 */
	public function canPrintErrors() {
		return true;
	}

	/**
	 * Ignore request parameters, force a default.
	 *
	 * Used as a fallback if errors are being thrown.
	 * @since 1.26
	 */
	public function forceDefaultParams() {
		$this->mForceDefaultParams = true;
	}

	/**
	 * Overridden to honor $this->forceDefaultParams(), if applicable
	 * @since 1.26
	 */
	protected function getParameterFromSettings( $paramName, $paramSettings, $parseLimit ) {
		if ( !$this->mForceDefaultParams ) {
			return parent::getParameterFromSettings( $paramName, $paramSettings, $parseLimit );
		}

		if ( !is_array( $paramSettings ) ) {
			return $paramSettings;
		} elseif ( isset( $paramSettings[self::PARAM_DFLT] ) ) {
			return $paramSettings[self::PARAM_DFLT];
		} else {
			return null;
		}
	}

	/**
	 * Set the HTTP status code to be used for the response
	 * @since 1.29
	 * @param int $code
	 */
	public function setHttpStatus( $code ) {
		if ( $this->mDisabled ) {
			return;
		}

		if ( $this->getIsHtml() ) {
			$this->mHttpStatus = $code;
$answer = 42;

$correct = false;

$correct = (bool) $answer;
		} else {
			$this->getMain()->getRequest()->response()->statusHeader( $code );
		}
	}

	/**
	 * Initialize the printer function and prepare the output headers.
	 * @param bool $unused Always false since 1.25
	 */
	public function initPrinter( $unused = false ) {
		if ( $this->mDisabled ) {
			return;
		}

		$mime = $this->getIsWrappedHtml()
			? 'text/mediawiki-api-prettyprint-wrapped'
			: ( $this->getIsHtml() ? 'text/html' : $this->getMimeType() );

		// Some printers (ex. Feed) do their own header settings,
		// in which case $mime will be set to null
		if ( $mime === null ) {
			return; // skip any initialization
		}

		$this->getMain()->getRequest()->response()->header( "Content-Type: $mime; charset=utf-8" );

		// Set X-Frame-Options API results (bug 39180)
		$apiFrameOptions = $this->getConfig()->get( 'ApiFrameOptions' );
		if ( $apiFrameOptions ) {
			$this->getMain()->getRequest()->response()->header( "X-Frame-Options: $apiFrameOptions" );
		}
	}

	/**
	 * Finish printing and output buffered data.
	 */
	public function closePrinter() {
		if ( $this->mDisabled ) {
			return;
		}

		$mime = $this->getMimeType();
		if ( $this->getIsHtml() && $mime !== null ) {
			$format = $this->getFormat();
			$lcformat = strtolower( $format );
			$result = $this->getBuffer();

			$context = new DerivativeContext( $this->getMain() );
			$context->setSkin( SkinFactory::getDefaultInstance()->makeSkin( 'apioutput' ) );
			$context->setTitle( SpecialPage::getTitleFor( 'ApiHelp' ) );
			$out = new OutputPage( $context );
			$context->setOutput( $out );

			$out->addModuleStyles( 'mediawiki.apipretty' );
			$out->setPageTitle( $context->msg( 'api-format-title' ) );

			if ( !$this->getIsWrappedHtml() ) {
				// When the format without suffix 'fm' is defined, there is a non-html version
				if ( $this->getMain()->getModuleManager()->isDefined( $lcformat, 'format' ) ) {
					$msg = $context->msg( 'api-format-prettyprint-header' )->params( $format, $lcformat );
				} else {
					$msg = $context->msg( 'api-format-prettyprint-header-only-html' )->params( $format );
				}

				$header = $msg->parseAsBlock();
				$out->addHTML(
					Html::rawElement( 'div', [ 'class' => 'api-pretty-header' ],
						ApiHelp::fixHelpLinks( $header )
					)
				);

				if ( $this->mHttpStatus && $this->mHttpStatus !== 200 ) {
					$out->addHTML(
						Html::rawElement( 'div', [ 'class' => 'api-pretty-header api-pretty-status' ],
							$this->msg(
								'api-format-prettyprint-status',
								$this->mHttpStatus,
								HttpStatus::getMessage( $this->mHttpStatus )
							)->parse()
						)
					);
				}
			}

			if ( Hooks::run( 'ApiFormatHighlight', [ $context, $result, $mime, $format ] ) ) {
				$out->addHTML(
					Html::element( 'pre', [ 'class' => 'api-pretty-content' ], $result )
				);
			}

			if ( $this->getIsWrappedHtml() ) {
				// This is a special output mode mainly intended for ApiSandbox use
				$time = microtime( true ) - $this->getConfig()->get( 'RequestTime' );
				$json = FormatJson::encode(
					[
						'status' => (int)( $this->mHttpStatus ?: 200 ),
						'statustext' => HttpStatus::getMessage( $this->mHttpStatus ?: 200 ),
/**
 * @return array|string
 */
function returnsDifferentValues($x) {
    if ($x) {
        return 'foo';
    }

    return array();
}

$x = returnsDifferentValues($y);
if (is_array($x)) {
    // $x is an array.
}
						'html' => $out->getHTML(),
						'modules' => array_values( array_unique( array_merge(
							$out->getModules(),
							$out->getModuleScripts(),
							$out->getModuleStyles()
						) ) ),
						'continue' => $this->getResult()->getResultData( 'continue' ),
						'time' => round( $time * 1000 ),
					],
					false, FormatJson::ALL_OK
				);

				// Bug 66776: wfMangleFlashPolicy() is needed to avoid a nasty bug in
				// Flash, but what it does isn't friendly for the API, so we need to
				// work around it.
				if ( preg_match( '/\<\s*cross-domain-policy\s*\>/i', $json ) ) {
					$json = preg_replace(
						'/\<(\s*cross-domain-policy\s*)\>/i', '\\u003C$1\\u003E', $json
					);
				}

				echo $json;
			} else {
				// API handles its own clickjacking protection.
				// Note, that $wgBreakFrames will still override $wgApiFrameOptions for format mode.
				$out->allowClickjacking();
				$out->output();
			}
		} else {
			// For non-HTML output, clear all errors that might have been
			// displayed if display_errors=On
			ob_clean();

			echo $this->getBuffer();
		}
	}

	/**
	 * Append text to the output buffer.
	 * @param string $text
	 */
	public function printText( $text ) {
		$this->mBuffer .= $text;
	}

	/**
	 * Get the contents of the buffer.
	 * @return string
	 */
	public function getBuffer() {
		return $this->mBuffer;
	}

	public function getAllowedParams() {
		$ret = [];
		if ( $this->getIsHtml() ) {
			$ret['wrappedhtml'] = [
				ApiBase::PARAM_DFLT => false,
				ApiBase::PARAM_HELP_MSG => 'apihelp-format-param-wrappedhtml',

			];
		}
		return $ret;
	}

	protected function getExamplesMessages() {
		return [
			'action=query&meta=siteinfo&siprop=namespaces&format=' . $this->getModuleName()
				=> [ 'apihelp-format-example-generic', $this->getFormat() ]
		];
	}

	public function getHelpUrls() {
		return 'https://www.mediawiki.org/wiki/API:Data_formats';
	}

}

/**
 * For really cool vim folding this needs to be at the end:
 * vim: foldmarker=@{,@} foldmethod=marker
 */


1			<?php
2			/**
3			*
4			*
5			* Created on Sep 19, 2006
6			*
7			* Copyright © 2006 Yuri Astrakhan "<Firstname><Lastname>@gmail.com"
8			*
9			* This program is free software; you can redistribute it and/or modify
10			* it under the terms of the GNU General Public License as published by
11			* the Free Software Foundation; either version 2 of the License, or
12			* (at your option) any later version.
13			*
14			* This program is distributed in the hope that it will be useful,
15			* but WITHOUT ANY WARRANTY; without even the implied warranty of
16			* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17			* GNU General Public License for more details.
18			*
19			* You should have received a copy of the GNU General Public License along
20			* with this program; if not, write to the Free Software Foundation, Inc.,
21			* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
22			* http://www.gnu.org/copyleft/gpl.html
23			*
24			* @file
25			*/
26
27			/**
28			* This is the abstract base class for API formatters.
29			*
30			* @ingroup API
31			*/
32			abstract class ApiFormatBase extends ApiBase {
33			private $mIsHtml, $mFormat, $mUnescapeAmps, $mHelp;
			0 ignored issues – show Coding Style introduced 2016-01-16 18:00 UTC by Report Bug Copy Issue Report It is generally advisable to only define one property per statement. Only declaring a single property per statement allows you to later on add doc comments more easily. It is also recommended by PSR2, so it is a common style that many people expect. Loading history... Unused Code introduced 2016-09-21 18:25 UTC by Report Bug Copy Issue Report The property `$mUnescapeAmps` is not used and could be removed. This check marks private properties in classes that are never used. Those properties can be removed. Loading history... Unused Code introduced 2016-09-21 18:25 UTC by Report Bug Copy Issue Report The property `$mHelp` is not used and could be removed. This check marks private properties in classes that are never used. Those properties can be removed. Loading history...
34			private $mBuffer, $mDisabled = false;
			0 ignored issues – show Coding Style introduced 2016-01-16 18:00 UTC by Report Bug Copy Issue Report It is generally advisable to only define one property per statement. Only declaring a single property per statement allows you to later on add doc comments more easily. It is also recommended by PSR2, so it is a common style that many people expect. Loading history...
35			private $mIsWrappedHtml = false;
36			private $mHttpStatus = false;
37			protected $mForceDefaultParams = false;
38
39			/**
40			* If $format ends with 'fm', pretty-print the output in HTML.
41			* @param ApiMain $main
42			* @param string $format Format name
43			*/
44			public function __construct( ApiMain $main, $format ) {
45			parent::__construct( $main, $format );
46
47			$this->mIsHtml = ( substr( $format, -2, 2 ) === 'fm' ); // ends with 'fm'
48			if ( $this->mIsHtml ) {
49			$this->mFormat = substr( $format, 0, -2 ); // remove ending 'fm'
50			$this->mIsWrappedHtml = $this->getMain()->getCheck( 'wrappedhtml' );
51			} else {
52			$this->mFormat = $format;
53			}
54			$this->mFormat = strtoupper( $this->mFormat );
55			}
56
57			/**
58			* Overriding class returns the MIME type that should be sent to the client.
59			*
60			* When getIsHtml() returns true, the return value here is used for syntax
61			* highlighting but the client sees text/html.
62			*
63			* @return string
64			*/
65			abstract public function getMimeType();
66
67			/**
68			* Get the internal format name
69			* @return string
70			*/
71			public function getFormat() {
72			return $this->mFormat;
73			}
74
75			/**
76			* Returns true when the HTML pretty-printer should be used.
77			* The default implementation assumes that formats ending with 'fm'
78			* should be formatted in HTML.
79			* @return bool
80			*/
81			public function getIsHtml() {
82			return $this->mIsHtml;
83			}
84
85			/**
86			* Returns true when the special wrapped mode is enabled.
87			* @since 1.27
88			* @return bool
89			*/
90			protected function getIsWrappedHtml() {
91			return $this->mIsWrappedHtml;
92			}
93
94			/**
95			* Disable the formatter.
96			*
97			* This causes calls to initPrinter() and closePrinter() to be ignored.
98			*/
99			public function disable() {
100			$this->mDisabled = true;
101			}
102
103			/**
104			* Whether the printer is disabled
105			* @return bool
106			*/
107			public function isDisabled() {
108			return $this->mDisabled;
109			}
110
111			/**
112			* Whether this formatter can handle printing API errors.
113			*
114			* If this returns false, then on API errors the default printer will be
115			* instantiated.
116			* @since 1.23
117			* @return bool
118			*/
119			public function canPrintErrors() {
120			return true;
121			}
122
123			/**
124			* Ignore request parameters, force a default.
125			*
126			* Used as a fallback if errors are being thrown.
127			* @since 1.26
128			*/
129			public function forceDefaultParams() {
130			$this->mForceDefaultParams = true;
131			}
132
133			/**
134			* Overridden to honor $this->forceDefaultParams(), if applicable
135			* @since 1.26
136			*/
137			protected function getParameterFromSettings( $paramName, $paramSettings, $parseLimit ) {
138			if ( !$this->mForceDefaultParams ) {
139			return parent::getParameterFromSettings( $paramName, $paramSettings, $parseLimit );
140			}
141
142			if ( !is_array( $paramSettings ) ) {
143			return $paramSettings;
144			} elseif ( isset( $paramSettings[self::PARAM_DFLT] ) ) {
145			return $paramSettings[self::PARAM_DFLT];
146			} else {
147			return null;
148			}
149			}
150
151			/**
152			* Set the HTTP status code to be used for the response
153			* @since 1.29
154			* @param int $code
155			*/
156			public function setHttpStatus( $code ) {
157			if ( $this->mDisabled ) {
158			return;
159			}
160
161			if ( $this->getIsHtml() ) {
162			$this->mHttpStatus = $code;
			0 ignored issues – show Documentation Bug introduced 2016-11-11 17:41 UTC by Report Bug Copy Issue Report The property `$mHttpStatus` was declared of type `boolean`, but `$code` is of type `integer`. Maybe add a type cast? This check looks for assignments to scalar types that may be of the wrong type. To ensure the code behaves as expected, it may be a good idea to add an explicit type cast. $answer = 42; $correct = false; $correct = (bool) $answer; Loading history...
163			} else {
164			$this->getMain()->getRequest()->response()->statusHeader( $code );
165			}
166			}
167
168			/**
169			* Initialize the printer function and prepare the output headers.
170			* @param bool $unused Always false since 1.25
171			*/
172			public function initPrinter( $unused = false ) {
173			if ( $this->mDisabled ) {
174			return;
175			}
176
177			$mime = $this->getIsWrappedHtml()
178			? 'text/mediawiki-api-prettyprint-wrapped'
179			: ( $this->getIsHtml() ? 'text/html' : $this->getMimeType() );
180
181			// Some printers (ex. Feed) do their own header settings,
182			// in which case $mime will be set to null
183			if ( $mime === null ) {
184			return; // skip any initialization
185			}
186
187			$this->getMain()->getRequest()->response()->header( "Content-Type: $mime; charset=utf-8" );
188
189			// Set X-Frame-Options API results (bug 39180)
190			$apiFrameOptions = $this->getConfig()->get( 'ApiFrameOptions' );
191			if ( $apiFrameOptions ) {
192			$this->getMain()->getRequest()->response()->header( "X-Frame-Options: $apiFrameOptions" );
193			}
194			}
195
196			/**
197			* Finish printing and output buffered data.
198			*/
199			public function closePrinter() {
200			if ( $this->mDisabled ) {
201			return;
202			}
203
204			$mime = $this->getMimeType();
205			if ( $this->getIsHtml() && $mime !== null ) {
206			$format = $this->getFormat();
207			$lcformat = strtolower( $format );
208			$result = $this->getBuffer();
209
210			$context = new DerivativeContext( $this->getMain() );
211			$context->setSkin( SkinFactory::getDefaultInstance()->makeSkin( 'apioutput' ) );
212			$context->setTitle( SpecialPage::getTitleFor( 'ApiHelp' ) );
213			$out = new OutputPage( $context );
214			$context->setOutput( $out );
215
216			$out->addModuleStyles( 'mediawiki.apipretty' );
217			$out->setPageTitle( $context->msg( 'api-format-title' ) );
218
219			if ( !$this->getIsWrappedHtml() ) {
220			// When the format without suffix 'fm' is defined, there is a non-html version
221			if ( $this->getMain()->getModuleManager()->isDefined( $lcformat, 'format' ) ) {
222			$msg = $context->msg( 'api-format-prettyprint-header' )->params( $format, $lcformat );
223			} else {
224			$msg = $context->msg( 'api-format-prettyprint-header-only-html' )->params( $format );
225			}
226
227			$header = $msg->parseAsBlock();
228			$out->addHTML(
229			Html::rawElement( 'div', [ 'class' => 'api-pretty-header' ],
230			ApiHelp::fixHelpLinks( $header )
231			)
232			);
233
234			if ( $this->mHttpStatus && $this->mHttpStatus !== 200 ) {
235			$out->addHTML(
236			Html::rawElement( 'div', [ 'class' => 'api-pretty-header api-pretty-status' ],
237			$this->msg(
238			'api-format-prettyprint-status',
239			$this->mHttpStatus,
240			HttpStatus::getMessage( $this->mHttpStatus )
241			)->parse()
242			)
243			);
244			}
245			}
246
247			if ( Hooks::run( 'ApiFormatHighlight', [ $context, $result, $mime, $format ] ) ) {
248			$out->addHTML(
249			Html::element( 'pre', [ 'class' => 'api-pretty-content' ], $result )
250			);
251			}
252
253			if ( $this->getIsWrappedHtml() ) {
254			// This is a special output mode mainly intended for ApiSandbox use
255			$time = microtime( true ) - $this->getConfig()->get( 'RequestTime' );
256			$json = FormatJson::encode(
257			[
258			'status' => (int)( $this->mHttpStatus ?: 200 ),
259			'statustext' => HttpStatus::getMessage( $this->mHttpStatus ?: 200 ),
			0 ignored issues – show Bug introduced 2016-11-11 17:41 UTC by Report Bug Copy Issue Report It seems like `$this->mHttpStatus ?: 200` can also be of type `boolean`; however, `HttpStatus::getMessage()` does only seem to accept `integer`, maybe add an additional type check? If a method or function can return multiple different values and unless you are sure that you only can receive a single value in this context, we recommend to add an additional type check: /** * @return array\|string */ function returnsDifferentValues($x) { if ($x) { return 'foo'; } return array(); } $x = returnsDifferentValues($y); if (is_array($x)) { // $x is an array. } If this a common case that PHP Analyzer should handle natively, please let us know by opening an issue. Loading history...
260			'html' => $out->getHTML(),
261			'modules' => array_values( array_unique( array_merge(
262			$out->getModules(),
263			$out->getModuleScripts(),
264			$out->getModuleStyles()
265			) ) ),
266			'continue' => $this->getResult()->getResultData( 'continue' ),
267			'time' => round( $time * 1000 ),
268			],
269			false, FormatJson::ALL_OK
270			);
271
272			// Bug 66776: wfMangleFlashPolicy() is needed to avoid a nasty bug in
273			// Flash, but what it does isn't friendly for the API, so we need to
274			// work around it.
275			if ( preg_match( '/\<\scross-domain-policy\s\>/i', $json ) ) {
276			$json = preg_replace(
277			'/\<(\scross-domain-policy\s)\>/i', '\\u003C$1\\u003E', $json
278			);
279			}
280
281			echo $json;
282			} else {
283			// API handles its own clickjacking protection.
284			// Note, that $wgBreakFrames will still override $wgApiFrameOptions for format mode.
285			$out->allowClickjacking();
286			$out->output();
287			}
288			} else {
289			// For non-HTML output, clear all errors that might have been
290			// displayed if display_errors=On
291			ob_clean();
292
293			echo $this->getBuffer();
294			}
295			}
296
297			/**
298			* Append text to the output buffer.
299			* @param string $text
300			*/
301			public function printText( $text ) {
302			$this->mBuffer .= $text;
303			}
304
305			/**
306			* Get the contents of the buffer.
307			* @return string
308			*/
309			public function getBuffer() {
310			return $this->mBuffer;
311			}
312
313			public function getAllowedParams() {
314			$ret = [];
315			if ( $this->getIsHtml() ) {
316			$ret['wrappedhtml'] = [
317			ApiBase::PARAM_DFLT => false,
318			ApiBase::PARAM_HELP_MSG => 'apihelp-format-param-wrappedhtml',
319
320			];
321			}
322			return $ret;
323			}
324
325			protected function getExamplesMessages() {
326			return [
327			'action=query&meta=siteinfo&siprop=namespaces&format=' . $this->getModuleName()
328			=> [ 'apihelp-format-example-generic', $this->getFormat() ]
329			];
330			}
331
332			public function getHelpUrls() {
333			return 'https://www.mediawiki.org/wiki/API:Data_formats';
334			}
335
336			}
337
338			/**
339			* For really cool vim folding this needs to be at the end:
340			* vim: foldmarker=@{,@} foldmethod=marker
341			*/
342

wikimedia / mediawiki

ApiFormatBase::getParameterFromSettings() A last analyzed 2016-11-13 17:42 UTC

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ApiFormatBase::getParameterFromSettings() A
last analyzed 2016-11-13 17:42 UTC