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| 1 | <?php |
| 2 | |
| 3 | use MediaWiki\Logger\LoggerFactory; |
| 4 | use MediaWiki\MediaWikiServices; |
| 5 | |
| 6 | class MathoidDriver { |
| 7 | |
| 8 | private $success; |
| 9 | private $checked; |
| 10 | private $identifiers; |
| 11 | private $requiredPackages; |
| 12 | private $q; |
| 13 | private $type; |
| 14 | private $version; |
| 15 | private $error; |
| 16 | |
| 17 | /** |
| 18 | * @return mixed |
| 19 | */ |
| 20 | public function getVersion() { |
| 21 | return $this->version; |
| 22 | } |
| 23 | |
| 24 | /** |
| 25 | * @return mixed |
| 26 | */ |
| 27 | public function getError() { |
| 28 | return $this->error; |
| 29 | } |
| 30 | |
| 31 | /** |
| 32 | * @param string $q |
| 33 | * @param string $type |
| 34 | */ |
| 35 | function __construct( $q = '', $type = 'tex' ) { |
| 36 | $this->q = $q; |
| 37 | if ( $type === 'pmml' ) { |
| 38 | $type = 'mml'; |
| 39 | } |
| 40 | $this->type = $type; |
| 41 | } |
| 42 | |
| 43 | /** |
| 44 | * @return mixed |
| 45 | */ |
| 46 | public function getSuccess() { |
| 47 | return $this->success; |
| 48 | } |
| 49 | |
| 50 | /** |
| 51 | * @return mixed |
| 52 | */ |
| 53 | public function getChecked() { |
| 54 | return $this->checked; |
| 55 | } |
| 56 | |
| 57 | /** |
| 58 | * @return mixed |
| 59 | */ |
| 60 | public function getIdentifiers() { |
| 61 | return $this->identifiers; |
| 62 | } |
| 63 | |
| 64 | /** |
| 65 | * @return mixed |
| 66 | */ |
| 67 | public function getRequiredPackages() { |
| 68 | return $this->requiredPackages; |
| 69 | } |
| 70 | |
| 71 | public function texvcInfo() { |
| 72 | $url = trim( $this->getBackendUrl(), " \n\t/" ) . "/texvcinfo"; |
| 73 | return $this->processResults( self::doPost( $url, $this->getPostData() ) ); |
| 74 | } |
| 75 | |
| 76 | protected function processResults( $res ) { |
| 77 | $jsonResult = json_decode( $res ); |
| 78 | if ( $jsonResult && json_last_error() === JSON_ERROR_NONE ) { |
| 79 | if ( isset( $jsonResult->texvcinfo ) ) { |
| 80 | // mathoid 0.2.9 |
| 81 | $texvcinfo = $jsonResult->texvcinfo; |
| 82 | } else { |
| 83 | // mathoid 0.2.10 |
| 84 | $texvcinfo = $jsonResult; |
| 85 | } |
| 86 | $this->success = $texvcinfo->success; |
| 87 | if ( $this->success ) { |
| 88 | $this->checked = $texvcinfo->checked; |
| 89 | $this->identifiers = $texvcinfo->identifiers; |
| 90 | $this->requiredPackages = $texvcinfo->requiredPackages; |
| 91 | } else { |
| 92 | if ( isset( $texvcinfo->error->error ) ) { |
| 93 | // mathoid 0.2.9 |
| 94 | $this->error = $texvcinfo->error; |
| 95 | } else { |
| 96 | // mathoid 0.2.10 |
| 97 | $this->error = $texvcinfo->detail->error; |
| 98 | } |
| 99 | } |
| 100 | return true; |
| 101 | } else { |
| 102 | return false; |
| 103 | } |
| 104 | } |
| 105 | |
| 106 | protected static function doPost( $url, $postData ) { |
| 107 | $options = [ |
| 108 | "postData" => $postData, |
| 109 | "timeout" => 60, |
| 110 | "method" => 'POST' |
| 111 | ]; |
| 112 | $req = MediaWikiServices::getInstance()->getHttpRequestFactory() |
| 113 | ->create( $url, $options, __METHOD__ ); |
| 114 | $status = $req->execute(); |
| 115 | |
| 116 | if ( $status->isOK() || $req->getStatus() === 400 ) { |
| 117 | return $req->getContent(); |
| 118 | } else { |
| 119 | $errors = $status->getErrorsByType( 'error' ); |
| 120 | $logger = LoggerFactory::getInstance( 'http' ); |
| 121 | $logger->warning( $status->getWikiText(), |
| 122 | [ 'error' => $errors, 'caller' => __METHOD__, 'content' => $req->getContent() ] ); |
| 123 | return false; |
| 124 | } |
| 125 | } |
| 126 | |
| 127 | /** |
| 128 | * @return string |
| 129 | */ |
| 130 | public function getBackendUrl() { |
| 131 | $config = MediaWikiServices::getInstance()->getConfigFactory()->makeConfig( 'main' ); |
| 132 | return $config->get( "MathMathMLUrl" ); |
| 133 | } |
| 134 | |
| 135 | protected function getPostData() { |
| 136 | $post = [ |
| 137 | 'q' => $this->q, |
| 138 | 'type' => $this->type |
| 139 | ]; |
| 140 | return wfArrayToCgi( $post ); |
| 141 | } |
| 142 | |
| 143 | public function checkBackend() { |
| 144 | $res = MediaWikiServices::getInstance() |
| 145 | ->getHttpRequestFactory() |
| 146 | ->get( ( $this->getBackendUrl() . '/_info' ) ); |
| 147 | if ( $res ) { |
| 148 | $res = json_decode( $res ); |
| 149 | if ( $res && json_last_error() === JSON_ERROR_NONE ) { |
| 150 | if ( isset( $res->name ) && $res->name === 'mathoid' ) { |
| 151 | $this->version = $res->version; |
| 152 | if ( preg_match( "/(0\\.2\\.(9|10)|1.0.0.*|0.6.1)/", $this->version ) ) { |
| 153 | return true; |
| 154 | } else { |
| 155 | echo $this->version; |
| 156 | return false; |
| 157 | } |
| 158 | } |
| 159 | } |
| 160 | } |
| 161 | $logger = LoggerFactory::getInstance( 'MathSearch' ); |
| 162 | $logger->warning( "Mathoid server backend does not point to mathoid.", [ |
| 163 | 'detail' => $res |
| 164 | ] ); |
| 165 | return false; |
| 166 | } |
| 167 | |
| 168 | public function getSpeech() { |
| 169 | return $this->getFormat( 'speech' ); |
| 170 | } |
| 171 | |
| 172 | public function getSvg() { |
| 173 | return $this->getFormat( 'svg' ); |
| 174 | } |
| 175 | |
| 176 | /** |
| 177 | * @param string $format |
| 178 | * @return bool|string |
| 179 | */ |
| 180 | private function getFormat( $format ) { |
| 181 | return self::doPost( $this->getBackendUrl() . '/' . $format, $this->getPostData() ); |
| 182 | } |
| 183 | } |