1 files changed, 142 insertions, 0 deletions
diff --git a/www/wiki/extensions/Translate/webservices/MicrosoftWebService.php b/www/wiki/extensions/Translate/webservices/MicrosoftWebService.php
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+++ b/www/wiki/extensions/Translate/webservices/MicrosoftWebService.php
@@ -0,0 +1,142 @@
+<?php
+/**
+ * Contains a class for querying external translation service.
+ *
+ * @file
+ * @author Niklas Laxström
+ * @author Ulrich Strauss
+ * @license GPL-2.0-or-later
+ */
+
+/**
+ * Implements support for Microsoft translation api v3.
+ * @see https://docs.microsoft.com/fi-fi/azure/cognitive-services/Translator/reference/v3-0-reference
+ * @ingroup TranslationWebService
+ * @since 2013-01-01
+ */
+class MicrosoftWebService extends TranslationWebService {
+	public function getType() {
+		return 'mt';
+	}
+
+	protected function mapCode( $code ) {
+		$map = [
+			'tl' => 'fil',
+			'zh-hant' => 'zh-Hant',
+			'zh-hans' => 'zh-Hans',
+			'sr-ec' => 'sr-Cyrl',
+			'sr-el' => 'sr-Latn',
+			'pt-br' => 'pt',
+		];
+
+		return $map[$code] ?? $code;
+	}
+
+	protected function doPairs() {
+		if ( !isset( $this->config['key'] ) ) {
+			throw new TranslationWebServiceConfigurationException( 'key is not set' );
+		}
+
+		$key = $this->config['key'];
+
+		$options = [];
+		$options['method']  = 'GET';
+		$options['timeout'] = $this->config['timeout'];
+
+		$url = $this->config['url'] . '/languages?api-version=3.0';
+
+		$req = MWHttpRequest::factory( $url, $options );
+		$req->setHeader( 'Ocp-Apim-Subscription-Key', $key );
+
+		$status = $req->execute();
+		if ( !$status->isOK() ) {
+			$error = $req->getContent();
+			// Most likely a timeout or other general error
+			throw new TranslationWebServiceException(
+				'Http::get failed:' . serialize( $error ) . serialize( $status )
+			);
+		}
+
+		$json = $req->getContent();
+		$response = json_decode( $json, true );
+		if ( !isset( $response[ 'translation' ] ) ) {
+			throw new TranslationWebServiceException(
+				'Unable to fetch list of available languages: ' . $json
+			);
+		}
+
+		$languages = array_keys( $response[ 'translation' ] );
+
+		// Let's make a cartesian product, assuming we can translate from any language to any language
+		$pairs = [];
+		foreach ( $languages as $from ) {
+			foreach ( $languages as $to ) {
+				$pairs[$from][$to] = true;
+			}
+		}
+
+		return $pairs;
+	}
+
+	protected function getQuery( $text, $from, $to ) {
+		if ( !isset( $this->config['key'] ) ) {
+			throw new TranslationWebServiceConfigurationException( 'key is not set' );
+		}
+
+		$key = $this->config['key'];
+		$text = trim( $text );
+		$text = $this->wrapUntranslatable( $text );
+
+		$url = $this->config['url'] . '/translate';
+		$params = [
+			'api-version' => '3.0',
+			'from' => $from,
+			'to' => $to,
+			'textType' => 'html',
+		];
+		$headers = [
+			'Ocp-Apim-Subscription-Key' => $key,
+			'Content-Type' => 'application/json',
+		];
+		$body = json_encode( [ [ 'Text' => $text ] ] );
+
+		if ( strlen( $body ) > 5000 ) {
+			throw new TranslationWebServiceInvalidInputException( 'Source text too long' );
+		}
+
+		return TranslationQuery::factory( $url )
+			->timeout( $this->config['timeout'] )
+			->queryParameters( $params )
+			->queryHeaders( $headers )
+			->postWithData( $body );
+	}
+
+	protected function parseResponse( TranslationQueryResponse $reply ) {
+		$body = $reply->getBody();
+
+		$response = json_decode( $body, true );
+		if ( !isset( $response[ 0 ][ 'translations' ][ 0 ][ 'text' ] ) ) {
+			throw new TranslationWebServiceException(
+				'Unable to parse translation response: ' . $body
+			);
+		}
+
+		$text = $response[ 0 ][ 'translations' ][ 0 ][ 'text' ];
+		$text = $this->unwrapUntranslatable( $text );
+
+		return $text;
+	}
+
+	/// Override from parent
+	protected function wrapUntranslatable( $text ) {
+		$pattern = '~%[^% ]+%|\$\d|{VAR:[^}]+}|{?{(PLURAL|GRAMMAR|GENDER):[^|]+\||%(\d\$)?[sd]~';
+		$wrap = '<span class="notranslate">\0</span>';
+		return preg_replace( $pattern, $wrap, $text );
+	}
+
+	/// Override from parent
+	protected function unwrapUntranslatable( $text ) {
+		$pattern = '~<span class="notranslate">\s*(.*?)\s*</span>~';
+		return preg_replace( $pattern, '\1', $text );
+	}
+}