MediawikiApi::throwUsageExceptions() - Code Metrics - Inspection of "Log warnings that are on the second level also (#4..." - addwiki/mediawiki-api-base - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Push — master ( be7ee0...42f36b )

by adam

created 2017-12-20 10:22 UTC

MediawikiApi::throwUsageExceptions() A

↳ Parent: MediawikiApi

Complexity

Conditions	3
Paths	2

Size

Total Lines	9
Code Lines	6

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	7
CRAP Score	3

Importance

Changes	1
Bugs	0	Features	0

Metric	Value
dl	0
loc	9
c	1
b	0
f	0
ccs	7
cts	7
cp	1
rs	9.6666
cc	3
eloc	6
nc	2
nop	1
crap	3

<?php

namespace Mediawiki\Api;

use DOMDocument;
use DOMXPath;
use GuzzleHttp\Client;
use GuzzleHttp\ClientInterface;
use GuzzleHttp\Exception\RequestException;
use GuzzleHttp\Promise\PromiseInterface;
use InvalidArgumentException;
use Mediawiki\Api\Guzzle\ClientFactory;
use Psr\Http\Message\ResponseInterface;
use Psr\Log\LoggerAwareInterface;
use Psr\Log\LoggerInterface;
use Psr\Log\LogLevel;
use Psr\Log\NullLogger;
use SimpleXMLElement;

/**
 * Main class for this library
 *
 * @since 0.1
 *
 * @author Addshore
 */
class MediawikiApi implements MediawikiApiInterface, LoggerAwareInterface {

	/**
	 * @var ClientInterface|null Should be accessed through getClient
	 */
	private $client = null;

	/**
	 * @var bool|string
	 */
	private $isLoggedIn;

	/**
	 * @var MediawikiSession
	 */
	private $session;

	/**
	 * @var string
	 */
	private $version;

	/**
	 * @var LoggerInterface
	 */
	private $logger;

	/**
	 * @var string
	 */
	private $apiUrl;

	/**
	 * @since 2.0
	 *
	 * @param string $apiEndpoint e.g. https://en.wikipedia.org/w/api.php
	 *
	 * @return self returns a MediawikiApi instance using $apiEndpoint
	 */
	public static function newFromApiEndpoint( $apiEndpoint ) {
		return new self( $apiEndpoint );
	}

	/**
	 * Create a new MediawikiApi object from a URL to any page in a MediaWiki website.
	 *
	 * @since 2.0
	 * @see https://en.wikipedia.org/wiki/Really_Simple_Discovery
	 *
	 * @param string $url e.g. https://en.wikipedia.org OR https://de.wikipedia.org/wiki/Berlin
	 * @return self returns a MediawikiApi instance using the apiEndpoint provided by the RSD
	 *              file accessible on all Mediawiki pages
	 * @throws RsdException If the RSD URL could not be found in the page's HTML.
	 */
	public static function newFromPage( $url ) {
		// Set up HTTP client and HTML document.
		$tempClient = new Client( [ 'headers' => [ 'User-Agent' => 'addwiki-mediawiki-client' ] ] );
		$pageHtml = $tempClient->get( $url )->getBody();
		$pageDoc = new DOMDocument();

		// Try to load the HTML (turn off errors temporarily; most don't matter, and if they do get
		// in the way of finding the API URL, will be reported in the RsdException below).
		$internalErrors = libxml_use_internal_errors( true );
		$pageDoc->loadHTML( $pageHtml );
		$libXmlErrors = libxml_get_errors();
		libxml_use_internal_errors( $internalErrors );

		// Extract the RSD link.
		$xpath = 'head/link[@type="application/rsd+xml"][@href]';
		$link = ( new DOMXpath( $pageDoc ) )->query( $xpath );
		if ( $link->length === 0 ) {
			// Format libxml errors for display.
			$libXmlErrorStr = array_reduce( $libXmlErrors, function ( $prevErr, $err ) {
				return $prevErr . ', ' . $err->message . ' (line '.$err->line . ')';
			} );
			if ( $libXmlErrorStr ) {
				$libXmlErrorStr = "In addition, libxml had the following errors: $libXmlErrorStr";
			}
			throw new RsdException( "Unable to find RSD URL in page: $url $libXmlErrorStr" );
		}
		$rsdUrl = $link->item( 0 )->attributes->getnamedItem( 'href' )->nodeValue;

		// Then get the RSD XML, and return the API link.
		$rsdXml = new SimpleXMLElement( $tempClient->get( $rsdUrl )->getBody() );
		return self::newFromApiEndpoint( (string)$rsdXml->service->apis->api->attributes()->apiLink );
	}

	/**
	 * @param string $apiUrl The API Url
	 * @param ClientInterface|null $client Guzzle Client
	 * @param MediawikiSession|null $session Inject a custom session here
	 */
	public function __construct( $apiUrl, ClientInterface $client = null,
								 MediawikiSession $session = null ) {
		if ( !is_string( $apiUrl ) ) {
			throw new InvalidArgumentException( '$apiUrl must be a string' );
		}
		if ( $session === null ) {
			$session = new MediawikiSession( $this );
		}

		$this->apiUrl = $apiUrl;
		$this->client = $client;
		$this->session = $session;

		$this->logger = new NullLogger();
	}

	/**
	 * Get the API URL (the URL to which API requests are sent, usually ending in api.php).
	 * This is useful if you've created this object via MediawikiApi::newFromPage().
	 *
	 * @since 2.3
	 *
	 * @return string The API URL.
	 */
	public function getApiUrl() {
		return $this->apiUrl;
	}

	/**
	 * @return ClientInterface
	 */
	private function getClient() {
		if ( $this->client === null ) {
			$clientFactory = new ClientFactory();
			$clientFactory->setLogger( $this->logger );
			$this->client = $clientFactory->getClient();
		}
		return $this->client;
	}

	/**
	 * Sets a logger instance on the object
	 *
	 * @since 1.1
	 *
	 * @param LoggerInterface $logger The new Logger object.
	 *
	 * @return null
	 */
	public function setLogger( LoggerInterface $logger ) {
		$this->logger = $logger;
		$this->session->setLogger( $logger );
	}

	/**
	 * @since 2.0
	 *
	 * @param Request $request The GET request to send.
	 *
	 * @return PromiseInterface
	 *         Normally promising an array, though can be mixed (json_decode result)
	 *         Can throw UsageExceptions or RejectionExceptions
	 */
	public function getRequestAsync( Request $request ) {
		$promise = $this->getClient()->requestAsync(
			'GET',
			$this->apiUrl,
			$this->getClientRequestOptions( $request, 'query' )
		);

		return $promise->then( function ( ResponseInterface $response ) {
			return call_user_func( [ $this, 'decodeResponse' ], $response );
		} );
	}

	/**
	 * @since 2.0
	 *
	 * @param Request $request The POST request to send.
	 *
	 * @return PromiseInterface
	 *         Normally promising an array, though can be mixed (json_decode result)
	 *         Can throw UsageExceptions or RejectionExceptions
	 */
	public function postRequestAsync( Request $request ) {
		$promise = $this->getClient()->requestAsync(
			'POST',
			$this->apiUrl,
			$this->getClientRequestOptions( $request, $this->getPostRequestEncoding( $request ) )
		);

		return $promise->then( function ( ResponseInterface $response ) {
			return call_user_func( [ $this, 'decodeResponse' ], $response );
		} );
	}

	/**
	 * @since 0.2
	 *
	 * @param Request $request The GET request to send.
	 *
	 * @return mixed Normally an array
	 */
	public function getRequest( Request $request ) {
		$response = $this->getClient()->request(
			'GET',
			$this->apiUrl,
			$this->getClientRequestOptions( $request, 'query' )
		);

		return $this->decodeResponse( $response );
	}

	/**
	 * @since 0.2
	 *
	 * @param Request $request The POST request to send.
	 *
	 * @return mixed Normally an array
	 */
	public function postRequest( Request $request ) {
		$response = $this->getClient()->request(
			'POST',
			$this->apiUrl,
			$this->getClientRequestOptions( $request, $this->getPostRequestEncoding( $request ) )
		);

		return $this->decodeResponse( $response );
	}

	/**
	 * @param ResponseInterface $response
	 *
	 * @return mixed
	 * @throws UsageException
	 */
	private function decodeResponse( ResponseInterface $response ) {
		$resultArray = json_decode( $response->getBody(), true );

		$this->logWarnings( $resultArray );
		$this->throwUsageExceptions( $resultArray );

		return $resultArray;
	}

	/**
	 * @param Request $request
	 *
	 * @return string
	 */
	private function getPostRequestEncoding( Request $request ) {
		if ( $request instanceof MultipartRequest ) {
			return 'multipart';
		}
		foreach ( $request->getParams() as $value ) {
			if ( is_resource( $value ) ) {
				return 'multipart';
			}
		}
		return 'form_params';
	}

	/**
	 * @param Request $request
	 * @param string $paramsKey either 'query' or 'multipart'
	 *
	 * @throws RequestException
	 *
	 * @return array as needed by ClientInterface::get and ClientInterface::post
	 */
	private function getClientRequestOptions( Request $request, $paramsKey ) {
		$params = array_merge( $request->getParams(), [ 'format' => 'json' ] );
		if ( $paramsKey === 'multipart' ) {
			$params = $this->encodeMultipartParams( $request, $params );
		}

		return [
			$paramsKey => $params,
			'headers' => array_merge( $this->getDefaultHeaders(), $request->getHeaders() ),
		];
	}

	/**
	 * Turn the normal key-value array of request parameters into a multipart array where each
	 * parameter is a new array with a 'name' and 'contents' elements (and optionally more, if the
	 * request is a MultipartRequest).
	 *
	 * @param Request $request The request to which the parameters belong.
	 * @param string[] $params The existing parameters. Not the same as $request->getParams().
	 *
	 * @return array
	 */
	private function encodeMultipartParams( Request $request, $params ) {
		// See if there are any multipart parameters in this request.
		$multipartParams = ( $request instanceof MultipartRequest )
			? $request->getMultipartParams()
			: [];
		return array_map(
			function ( $name, $value ) use ( $multipartParams ) {
				$partParams = [
					'name' => $name,
					'contents' => $value,
				];
				if ( isset( $multipartParams[ $name ] ) ) {
					// If extra parameters have been set for this part, use them.
					$partParams = array_merge( $multipartParams[ $name ], $partParams );
				}
				return $partParams;
			},
			array_keys( $params ),
			$params
		);
	}

	/**
	 * @return array
	 */
	private function getDefaultHeaders() {
		return [
			'User-Agent' => $this->getUserAgent(),
		];
	}

	private function getUserAgent() {
		$loggedIn = $this->isLoggedin();
		if ( $loggedIn ) {
			return 'addwiki-mediawiki-client/' . $loggedIn;
		}
		return 'addwiki-mediawiki-client';
	}

	/**
	 * @param $result
	 */
	private function logWarnings( $result ) {
		if ( is_array( $result ) ) {
			// Let's see if there is 'warnings' key on the first level of the array...
			if ( $this->logWarning( $result ) ) {
				return;
			}

			// ...if no then go one level deeper and check there for it.
			foreach ( $result as $value ) {
				if ( !is_array( $value ) ) {
					continue;
				}

				$this->logWarning( $value );
			}
		}
	}

	/**
	 * @param array $array Array response to look for warning in.
	 *
	 * @return bool Whether any warning has been logged or not.
	 */
	protected function logWarning( $array ) {
		$found = false;

		if ( !array_key_exists( 'warnings', $array ) ) {
			return false;
		}

		foreach ( $array['warnings'] as $module => $warningData ) {
			// Accommodate both formatversion=2 and old-style API results
			$logPrefix = $module . ': ';
			if ( isset( $warningData['*'] ) ) {
				$this->logger->warning( $logPrefix . $warningData['*'], [ 'data' => $warningData ] );
			} elseif ( isset( $warningData['warnings'] ) ) {
				$this->logger->warning( $logPrefix . $warningData['warnings'], [ 'data' => $warningData ] );
			} else {
				$this->logger->warning( $logPrefix, [ 'data' => $warningData ] );
			}

			$found = true;
		}

		return $found;
	}

	/**
	 * @param array $result
	 *
	 * @throws UsageException
	 */
	private function throwUsageExceptions( $result ) {
		if ( is_array( $result ) && array_key_exists( 'error', $result ) ) {
			throw new UsageException(
				$result['error']['code'],
				$result['error']['info'],
				$result
			);
		}
	}

	/**
	 * @since 0.1
	 *
	 * @return bool|string false or the name of the current user
	 */
	public function isLoggedin() {
		return $this->isLoggedIn;
	}

	/**
	 * @since 0.1
	 *
	 * @param ApiUser $apiUser The ApiUser to log in as.
	 *
	 * @throws UsageException
	 * @return bool success
	 */
	public function login( ApiUser $apiUser ) {
		$this->logger->log( LogLevel::DEBUG, 'Logging in' );
		$credentials = $this->getLoginParams( $apiUser );
		$result = $this->postRequest( new SimpleRequest( 'login', $credentials ) );
		if ( $result['login']['result'] == "NeedToken" ) {
			$params = array_merge( [ 'lgtoken' => $result['login']['token'] ], $credentials );
			$result = $this->postRequest( new SimpleRequest( 'login', $params ) );
		}
		if ( $result['login']['result'] == "Success" ) {
			$this->isLoggedIn = $apiUser->getUsername();
			return true;
		}

		$this->isLoggedIn = false;
		$this->logger->log( LogLevel::DEBUG, 'Login failed.', $result );
		$this->throwLoginUsageException( $result );
		return false;
	}

	/**
	 * @param ApiUser $apiUser
	 *
	 * @return string[]
	 */
	private function getLoginParams( ApiUser $apiUser ) {
		$params = [
			'lgname' => $apiUser->getUsername(),
			'lgpassword' => $apiUser->getPassword(),
		];

		if ( !is_null( $apiUser->getDomain() ) ) {
			$params['lgdomain'] = $apiUser->getDomain();
		}
		return $params;
	}

	/**
	 * @param array $result
	 *
	 * @throws UsageException
	 */
	private function throwLoginUsageException( $result ) {
		$loginResult = $result['login']['result'];

		throw new UsageException(
			'login-' . $loginResult,
			array_key_exists( 'reason', $result['login'] )
				? $result['login']['reason']
				: 'No Reason given',
			$result
		);
	}

	/**
	 * @since 0.1
	 *
	 * @return bool success
	 */
	public function logout() {
		$this->logger->log( LogLevel::DEBUG, 'Logging out' );
		$result = $this->postRequest( new SimpleRequest( 'logout' ) );
		if ( $result === [] ) {
			$this->isLoggedIn = false;
			$this->clearTokens();
			return true;
		}
		return false;
	}

	/**
	 * @since 0.1
	 *
	 * @param string $type The token type to get.
	 *
	 * @return string
	 */
	public function getToken( $type = 'csrf' ) {
		return $this->session->getToken( $type );
	}

	/**
	 * Clear all tokens stored by the API.
	 *
	 * @since 0.1
	 */
	public function clearTokens() {
		$this->session->clearTokens();
	}

	/**
	 * @return string
	 */
	public function getVersion() {
		if ( !isset( $this->version ) ) {
			$result = $this->getRequest( new SimpleRequest( 'query', [
				'meta' => 'siteinfo',
				'continue' => '',
			] ) );
			preg_match(
				'/\d+(?:\.\d+)+/',
				$result['query']['general']['generator'],
				$versionParts
			);
			$this->version = $versionParts[0];
		}
		return $this->version;
	}

}


1		<?php
2
3		namespace Mediawiki\Api;
4
5		use DOMDocument;
6		use DOMXPath;
7		use GuzzleHttp\Client;
8		use GuzzleHttp\ClientInterface;
9		use GuzzleHttp\Exception\RequestException;
10		use GuzzleHttp\Promise\PromiseInterface;
11		use InvalidArgumentException;
12		use Mediawiki\Api\Guzzle\ClientFactory;
13		use Psr\Http\Message\ResponseInterface;
14		use Psr\Log\LoggerAwareInterface;
15		use Psr\Log\LoggerInterface;
16		use Psr\Log\LogLevel;
17		use Psr\Log\NullLogger;
18		use SimpleXMLElement;
19
20		/**
21		* Main class for this library
22		*
23		* @since 0.1
24		*
25		* @author Addshore
26		*/
27		class MediawikiApi implements MediawikiApiInterface, LoggerAwareInterface {
28
29		/**
30		* @var ClientInterface\|null Should be accessed through getClient
31		*/
32		private $client = null;
33
34		/**
35		* @var bool\|string
36		*/
37		private $isLoggedIn;
38
39		/**
40		* @var MediawikiSession
41		*/
42		private $session;
43
44		/**
45		* @var string
46		*/
47		private $version;
48
49		/**
50		* @var LoggerInterface
51		*/
52		private $logger;
53
54		/**
55		* @var string
56		*/
57		private $apiUrl;
58
59		/**
60		* @since 2.0
61		*
62		* @param string $apiEndpoint e.g. https://en.wikipedia.org/w/api.php
63		*
64		* @return self returns a MediawikiApi instance using $apiEndpoint
65		*/
66		public static function newFromApiEndpoint( $apiEndpoint ) {
67		return new self( $apiEndpoint );
68		}
69
70		/**
71		* Create a new MediawikiApi object from a URL to any page in a MediaWiki website.
72		*
73		* @since 2.0
74		* @see https://en.wikipedia.org/wiki/Really_Simple_Discovery
75		*
76		* @param string $url e.g. https://en.wikipedia.org OR https://de.wikipedia.org/wiki/Berlin
77		* @return self returns a MediawikiApi instance using the apiEndpoint provided by the RSD
78		* file accessible on all Mediawiki pages
79		* @throws RsdException If the RSD URL could not be found in the page's HTML.
80		*/
81	3	public static function newFromPage( $url ) {
82		// Set up HTTP client and HTML document.
83	3	$tempClient = new Client( [ 'headers' => [ 'User-Agent' => 'addwiki-mediawiki-client' ] ] );
84	3	$pageHtml = $tempClient->get( $url )->getBody();
85	3	$pageDoc = new DOMDocument();
86
87		// Try to load the HTML (turn off errors temporarily; most don't matter, and if they do get
88		// in the way of finding the API URL, will be reported in the RsdException below).
89	3	$internalErrors = libxml_use_internal_errors( true );
90	3	$pageDoc->loadHTML( $pageHtml );
91	3	$libXmlErrors = libxml_get_errors();
92	3	libxml_use_internal_errors( $internalErrors );
93
94		// Extract the RSD link.
95	3	$xpath = 'head/link[@type="application/rsd+xml"][@href]';
96	3	$link = ( new DOMXpath( $pageDoc ) )->query( $xpath );
97	3	if ( $link->length === 0 ) {
98		// Format libxml errors for display.
99		$libXmlErrorStr = array_reduce( $libXmlErrors, function ( $prevErr, $err ) {
100		return $prevErr . ', ' . $err->message . ' (line '.$err->line . ')';
101	1	} );
102	1	if ( $libXmlErrorStr ) {
103		$libXmlErrorStr = "In addition, libxml had the following errors: $libXmlErrorStr";
104		}
105	1	throw new RsdException( "Unable to find RSD URL in page: $url $libXmlErrorStr" );
106		}
107	2	$rsdUrl = $link->item( 0 )->attributes->getnamedItem( 'href' )->nodeValue;
108
109		// Then get the RSD XML, and return the API link.
110	2	$rsdXml = new SimpleXMLElement( $tempClient->get( $rsdUrl )->getBody() );
111	2	return self::newFromApiEndpoint( (string)$rsdXml->service->apis->api->attributes()->apiLink );
112		}
113
114		/**
115		* @param string $apiUrl The API Url
116		* @param ClientInterface\|null $client Guzzle Client
117		* @param MediawikiSession\|null $session Inject a custom session here
118		*/
119	25	public function __construct( $apiUrl, ClientInterface $client = null,
120		MediawikiSession $session = null ) {
121	25	if ( !is_string( $apiUrl ) ) {
122	4	throw new InvalidArgumentException( '$apiUrl must be a string' );
123		}
124	21	if ( $session === null ) {
125	21	$session = new MediawikiSession( $this );
126		}
127
128	21	$this->apiUrl = $apiUrl;
129	21	$this->client = $client;
130	21	$this->session = $session;
131
132	21	$this->logger = new NullLogger();
133	21	}
134
135		/**
136		* Get the API URL (the URL to which API requests are sent, usually ending in api.php).
137		* This is useful if you've created this object via MediawikiApi::newFromPage().
138		*
139		* @since 2.3
140		*
141		* @return string The API URL.
142		*/
143		public function getApiUrl() {
144		return $this->apiUrl;
145		}
146
147		/**
148		* @return ClientInterface
149		*/
150	21	private function getClient() {
151	21	if ( $this->client === null ) {
152	4	$clientFactory = new ClientFactory();
153	4	$clientFactory->setLogger( $this->logger );
154	4	$this->client = $clientFactory->getClient();
155		}
156	21	return $this->client;
157		}
158
159		/**
160		* Sets a logger instance on the object
161		*
162		* @since 1.1
163		*
164		* @param LoggerInterface $logger The new Logger object.
165		*
166		* @return null
167		*/
168	1	public function setLogger( LoggerInterface $logger ) {
169	1	$this->logger = $logger;
170	1	$this->session->setLogger( $logger );
171	1	}
172
173		/**
174		* @since 2.0
175		*
176		* @param Request $request The GET request to send.
177		*
178		* @return PromiseInterface
179		* Normally promising an array, though can be mixed (json_decode result)
180		* Can throw UsageExceptions or RejectionExceptions
181		*/
182	1	public function getRequestAsync( Request $request ) {
183	1	$promise = $this->getClient()->requestAsync(
184	1	'GET',
185	1	$this->apiUrl,
186	1	$this->getClientRequestOptions( $request, 'query' )
187		);
188
189		return $promise->then( function ( ResponseInterface $response ) {
190	1	return call_user_func( [ $this, 'decodeResponse' ], $response );
191	1	} );
192		}
193
194		/**
195		* @since 2.0
196		*
197		* @param Request $request The POST request to send.
198		*
199		* @return PromiseInterface
200		* Normally promising an array, though can be mixed (json_decode result)
201		* Can throw UsageExceptions or RejectionExceptions
202		*/
203	1	public function postRequestAsync( Request $request ) {
204	1	$promise = $this->getClient()->requestAsync(
205	1	'POST',
206	1	$this->apiUrl,
207	1	$this->getClientRequestOptions( $request, $this->getPostRequestEncoding( $request ) )
208		);
209
210		return $promise->then( function ( ResponseInterface $response ) {
211	1	return call_user_func( [ $this, 'decodeResponse' ], $response );
212	1	} );
213		}
214
215		/**
216		* @since 0.2
217		*
218		* @param Request $request The GET request to send.
219		*
220		* @return mixed Normally an array
221		*/
222	9	public function getRequest( Request $request ) {
223	9	$response = $this->getClient()->request(
224	9	'GET',
225	9	$this->apiUrl,
226	9	$this->getClientRequestOptions( $request, 'query' )
227		);
228
229	9	return $this->decodeResponse( $response );
230		}
231
232		/**
233		* @since 0.2
234		*
235		* @param Request $request The POST request to send.
236		*
237		* @return mixed Normally an array
238		*/
239	10	public function postRequest( Request $request ) {
240	10	$response = $this->getClient()->request(
241	10	'POST',
242	10	$this->apiUrl,
243	10	$this->getClientRequestOptions( $request, $this->getPostRequestEncoding( $request ) )
244		);
245
246	10	return $this->decodeResponse( $response );
247		}
248
249		/**
250		* @param ResponseInterface $response
251		*
252		* @return mixed
253		* @throws UsageException
254		*/
255	21	private function decodeResponse( ResponseInterface $response ) {
256	21	$resultArray = json_decode( $response->getBody(), true );
257
258	21	$this->logWarnings( $resultArray );
259	21	$this->throwUsageExceptions( $resultArray );
260
261	19	return $resultArray;
262		}
263
264		/**
265		* @param Request $request
266		*
267		* @return string
268		*/
269	9	private function getPostRequestEncoding( Request $request ) {
270	9	if ( $request instanceof MultipartRequest ) {
271		return 'multipart';
272		}
273	9	foreach ( $request->getParams() as $value ) {
274	9	if ( is_resource( $value ) ) {
275	9	return 'multipart';
276		}
277		}
278	8	return 'form_params';
279		}
280
281		/**
282		* @param Request $request
283		* @param string $paramsKey either 'query' or 'multipart'
284		*
285		* @throws RequestException
286		*
287		* @return array as needed by ClientInterface::get and ClientInterface::post
288		*/
289	21	private function getClientRequestOptions( Request $request, $paramsKey ) {
290	21	$params = array_merge( $request->getParams(), [ 'format' => 'json' ] );
291	21	if ( $paramsKey === 'multipart' ) {
292	1	$params = $this->encodeMultipartParams( $request, $params );
293		}
294
295		return [
296	21	$paramsKey => $params,
297	21	'headers' => array_merge( $this->getDefaultHeaders(), $request->getHeaders() ),
298		];
299		}
300
301		/**
302		* Turn the normal key-value array of request parameters into a multipart array where each
303		* parameter is a new array with a 'name' and 'contents' elements (and optionally more, if the
304		* request is a MultipartRequest).
305		*
306		* @param Request $request The request to which the parameters belong.
307		* @param string[] $params The existing parameters. Not the same as $request->getParams().
308		*
309		* @return array
310		*/
311	1	private function encodeMultipartParams( Request $request, $params ) {
312		// See if there are any multipart parameters in this request.
313	1	$multipartParams = ( $request instanceof MultipartRequest )
314		? $request->getMultipartParams()
315	1	: [];
316	1	return array_map(
317	1	function ( $name, $value ) use ( $multipartParams ) {
318		$partParams = [
319	1	'name' => $name,
320	1	'contents' => $value,
321		];
322	1	if ( isset( $multipartParams[ $name ] ) ) {
323		// If extra parameters have been set for this part, use them.
324		$partParams = array_merge( $multipartParams[ $name ], $partParams );
325		}
326	1	return $partParams;
327	1	},
328	1	array_keys( $params ),
329	1	$params
330		);
331		}
332
333		/**
334		* @return array
335		*/
336	17	private function getDefaultHeaders() {
337		return [
338	17	'User-Agent' => $this->getUserAgent(),
339		];
340		}
341
342	17	private function getUserAgent() {
343	17	$loggedIn = $this->isLoggedin();
344	17	if ( $loggedIn ) {
345		return 'addwiki-mediawiki-client/' . $loggedIn;
346		}
347	17	return 'addwiki-mediawiki-client';
348		}
349
350		/**
351		* @param $result
352		*/
353	18	private function logWarnings( $result ) {
354	18	if ( is_array( $result ) ) {
355		// Let's see if there is 'warnings' key on the first level of the array...
356	17	if ( $this->logWarning( $result ) ) {
357	1	return;
358		}
359
360		// ...if no then go one level deeper and check there for it.
361	16	foreach ( $result as $value ) {
362	15	if ( !is_array( $value ) ) {
363	7	continue;
364		}
365
366	10	$this->logWarning( $value );
367		}
368		}
369	17	}
370
371		/**
372		* @param array $array Array response to look for warning in.
373		*
374		* @return bool Whether any warning has been logged or not.
375		*/
376	17	protected function logWarning( $array ) {
377	17	$found = false;
378
379	17	if ( !array_key_exists( 'warnings', $array ) ) {
380	16	return false;
381		}
382
383	1	foreach ( $array['warnings'] as $module => $warningData ) {
384		// Accommodate both formatversion=2 and old-style API results
385	1	$logPrefix = $module . ': ';
386	1	if ( isset( $warningData['*'] ) ) {
387		$this->logger->warning( $logPrefix . $warningData['*'], [ 'data' => $warningData ] );
388	1	} elseif ( isset( $warningData['warnings'] ) ) {
389		$this->logger->warning( $logPrefix . $warningData['warnings'], [ 'data' => $warningData ] );
390		} else {
391	1	$this->logger->warning( $logPrefix, [ 'data' => $warningData ] );
392		}
393
394	1	$found = true;
395		}
396
397	1	return $found;
398		}
399
400		/**
401		* @param array $result
402		*
403		* @throws UsageException
404		*/
405	17	private function throwUsageExceptions( $result ) {
406	17	if ( is_array( $result ) && array_key_exists( 'error', $result ) ) {
407	2	throw new UsageException(
408	2	$result['error']['code'],
409	2	$result['error']['info'],
410	2	$result
411		);
412		}
413	15	}
414
415		/**
416		* @since 0.1
417		*
418		* @return bool\|string false or the name of the current user
419		*/
420	17	public function isLoggedin() {
421	17	return $this->isLoggedIn;
422		}
423
424		/**
425		* @since 0.1
426		*
427		* @param ApiUser $apiUser The ApiUser to log in as.
428		*
429		* @throws UsageException
430		* @return bool success
431		*/
432	2	public function login( ApiUser $apiUser ) {
433	2	$this->logger->log( LogLevel::DEBUG, 'Logging in' );
434	2	$credentials = $this->getLoginParams( $apiUser );
435	2	$result = $this->postRequest( new SimpleRequest( 'login', $credentials ) );
436	2	if ( $result['login']['result'] == "NeedToken" ) {
437	2	$params = array_merge( [ 'lgtoken' => $result['login']['token'] ], $credentials );
438	2	$result = $this->postRequest( new SimpleRequest( 'login', $params ) );
439		}
440	2	if ( $result['login']['result'] == "Success" ) {
441	1	$this->isLoggedIn = $apiUser->getUsername();
442	1	return true;
443		}
444
445	1	$this->isLoggedIn = false;
446	1	$this->logger->log( LogLevel::DEBUG, 'Login failed.', $result );
447	1	$this->throwLoginUsageException( $result );
448		return false;
449		}
450
451		/**
452		* @param ApiUser $apiUser
453		*
454		* @return string[]
455		*/
456	2	private function getLoginParams( ApiUser $apiUser ) {
457		$params = [
458	2	'lgname' => $apiUser->getUsername(),
459	2	'lgpassword' => $apiUser->getPassword(),
460		];
461
462	2	if ( !is_null( $apiUser->getDomain() ) ) {
463		$params['lgdomain'] = $apiUser->getDomain();
464		}
465	2	return $params;
466		}
467
468		/**
469		* @param array $result
470		*
471		* @throws UsageException
472		*/
473	1	private function throwLoginUsageException( $result ) {
474	1	$loginResult = $result['login']['result'];
475
476	1	throw new UsageException(
477	1	'login-' . $loginResult,
478	1	array_key_exists( 'reason', $result['login'] )
479		? $result['login']['reason']
480	1	: 'No Reason given',
481	1	$result
482		);
483		}
484
485		/**
486		* @since 0.1
487		*
488		* @return bool success
489		*/
490	2	public function logout() {
491	2	$this->logger->log( LogLevel::DEBUG, 'Logging out' );
492	2	$result = $this->postRequest( new SimpleRequest( 'logout' ) );
493	2	if ( $result === [] ) {
494	1	$this->isLoggedIn = false;
495	1	$this->clearTokens();
496	1	return true;
497		}
498	1	return false;
499		}
500
501		/**
502		* @since 0.1
503		*
504		* @param string $type The token type to get.
505		*
506		* @return string
507		*/
508	2	public function getToken( $type = 'csrf' ) {
509	2	return $this->session->getToken( $type );
510		}
511
512		/**
513		* Clear all tokens stored by the API.
514		*
515		* @since 0.1
516		*/
517	1	public function clearTokens() {
518	1	$this->session->clearTokens();
519	1	}
520
521		/**
522		* @return string
523		*/
524	4	public function getVersion() {
525	4	if ( !isset( $this->version ) ) {
526	4	$result = $this->getRequest( new SimpleRequest( 'query', [
527	4	'meta' => 'siteinfo',
528		'continue' => '',
529		] ) );
530	4	preg_match(
531	4	'/\d+(?:\.\d+)+/',
532	4	$result['query']['general']['generator'],
533	4	$versionParts
534		);
535	4	$this->version = $versionParts[0];
536		}
537	4	return $this->version;
538		}
539
540		}
541

addwiki / mediawiki-api-base

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