1 files changed, 99 insertions, 0 deletions
diff --git a/www/wiki/extensions/Translate/webservices/YandexWebService.php b/www/wiki/extensions/Translate/webservices/YandexWebService.php
new file mode 100644
index 00000000..fbb16844
--- /dev/null
+++ b/www/wiki/extensions/Translate/webservices/YandexWebService.php
@@ -0,0 +1,99 @@
+<?php
+/**
+ * Contains a class for querying external translation service.
+ *
+ * @file
+ * @author Niklas Laxström
+ * @license GPL-2.0-or-later
+ */
+
+/**
+ * Implements support for Yandex translation api v1.
+ * @see https://tech.yandex.com/translate/
+ * @ingroup TranslationWebService
+ * @since 2013-01-01
+ */
+class YandexWebService extends TranslationWebService {
+	public function getType() {
+		return 'mt';
+	}
+
+	protected function mapCode( $code ) {
+		if ( $code === 'be-tarask' ) {
+			$code = 'be';
+		}
+		return $code;
+	}
+
+	protected function doPairs() {
+		if ( !isset( $this->config['key'] ) ) {
+			throw new TranslationWebServiceConfigurationException( 'API key is not set' );
+		}
+
+		$pairs = [];
+
+		$params = [
+			'key' => $this->config['key'],
+		];
+
+		$url = $this->config['pairs'] . '?' . wfArrayToCgi( $params );
+		$json = Http::get(
+			$url,
+			[ 'timeout' => $this->config['timeout'] ],
+			__METHOD__
+		);
+		$response = FormatJson::decode( $json );
+
+		if ( !is_object( $response ) ) {
+			$exception = 'Malformed reply from remote server: ' . (string)$json;
+			throw new TranslationWebServiceException( $exception );
+		}
+
+		foreach ( $response->dirs as $pair ) {
+			list( $source, $target ) = explode( '-', $pair );
+			$pairs[$source][$target] = true;
+		}
+
+		return $pairs;
+	}
+
+	protected function getQuery( $text, $from, $to ) {
+		if ( !isset( $this->config['key'] ) ) {
+			throw new TranslationWebServiceConfigurationException( 'API key is not set' );
+		}
+
+		# https://tech.yandex.com/translate/doc/dg/reference/translate-docpage/
+		if ( strlen( $text ) > 10000 ) {
+			throw new TranslationWebServiceInvalidInputException( 'Source text too long' );
+		}
+
+		$text = trim( $text );
+		$text = $this->wrapUntranslatable( $text );
+
+		return TranslationQuery::factory( $this->config['url'] )
+			->timeout( $this->config['timeout'] )
+			->postWithData(
+				[
+					'key' => $this->config['key'],
+					'text' => $text,
+					'lang' => "$from-$to",
+					'format' => 'html',
+				]
+			);
+	}
+
+	protected function parseResponse( TranslationQueryResponse $reply ) {
+		$body = $reply->getBody();
+		$response = FormatJson::decode( $body );
+		if ( !is_object( $response ) ) {
+			throw new TranslationWebServiceException( 'Invalid json: ' . serialize( $body ) );
+		} elseif ( $response->code !== 200 ) {
+			throw new TranslationWebServiceException( $response->message );
+		}
+
+		$text = Sanitizer::decodeCharReferences( $response->text[0] );
+		$text = $this->unwrapUntranslatable( $text );
+
+		return trim( $text );
+	}
+}