Update suppressWarning()/restoreWarning() calls

[lhc/web/wiklou.git] / includes / media / PNGMetadataExtractor.php

diff --git a/includes/media/PNGMetadataExtractor.php b/includes/media/PNGMetadataExtractor.php
index f4f29dd..78ed0bc 100644 (file)
--- a/includes/media/PNGMetadataExtractor.php
+++ b/includes/media/PNGMetadataExtractor.php
@@ -47,7 +47,7 @@ class PNGMetadataExtractor {
                self::$pngSig = pack( "C8", 137, 80, 78, 71, 13, 10, 26, 10 );
                self::$crcSize = 4;
                /* based on list at http://owl.phy.queensu.ca/~phil/exiftool/TagNames/PNG.html#TextualData
-                * and http://www.w3.org/TR/PNG/#11keywords
+                * and https://www.w3.org/TR/PNG/#11keywords
                 */
                self::$textChunks = [
                        'xml:com.adobe.xmp' => 'xmp',
@@ -121,9 +121,11 @@ class PNGMetadataExtractor {
                                if ( !$buf || strlen( $buf ) < $chunk_size ) {
                                        throw new Exception( __METHOD__ . ": Read error" );
                                }
+                               $width = unpack( 'N', substr( $buf, 0, 4 ) )[1];
+                               $height = unpack( 'N', substr( $buf, 4, 4 ) )[1];
                                $bitDepth = ord( substr( $buf, 8, 1 ) );
                                // Detect the color type in British English as per the spec
-                               // http://www.w3.org/TR/PNG/#11IHDR
+                               // https://www.w3.org/TR/PNG/#11IHDR
                                switch ( ord( substr( $buf, 9, 1 ) ) ) {
                                        case 0:
                                                $colorType = 'greyscale';
@@ -200,9 +202,9 @@ class PNGMetadataExtractor {
                                        // if compressed
                                        if ( $items[2] == "\x01" ) {
                                                if ( function_exists( 'gzuncompress' ) && $items[4] === "\x00" ) {
-                                                       MediaWiki\suppressWarnings();
+                                                       Wikimedia\suppressWarnings();
                                                        $items[5] = gzuncompress( $items[5] );
-                                                       MediaWiki\restoreWarnings();
+                                                       Wikimedia\restoreWarnings();
 
                                                        if ( $items[5] === false ) {
                                                                // decompression failed
@@ -244,9 +246,9 @@ class PNGMetadataExtractor {
                                        fseek( $fh, self::$crcSize, SEEK_CUR );
                                        continue;
                                }
-                               MediaWiki\suppressWarnings();
+                               Wikimedia\suppressWarnings();
                                $content = iconv( 'ISO-8859-1', 'UTF-8', $content );
-                               MediaWiki\restoreWarnings();
+                               Wikimedia\restoreWarnings();
 
                                if ( $content === false ) {
                                        throw new Exception( __METHOD__ . ": Read error (error with iconv)" );
@@ -284,9 +286,9 @@ class PNGMetadataExtractor {
                                                continue;
                                        }
 
-                                       MediaWiki\suppressWarnings();
+                                       Wikimedia\suppressWarnings();
                                        $content = gzuncompress( $content );
-                                       MediaWiki\restoreWarnings();
+                                       Wikimedia\restoreWarnings();
 
                                        if ( $content === false ) {
                                                // decompression failed
@@ -295,9 +297,9 @@ class PNGMetadataExtractor {
                                                continue;
                                        }
 
-                                       MediaWiki\suppressWarnings();
+                                       Wikimedia\suppressWarnings();
                                        $content = iconv( 'ISO-8859-1', 'UTF-8', $content );
-                                       MediaWiki\restoreWarnings();
+                                       Wikimedia\restoreWarnings();
 
                                        if ( $content === false ) {
                                                throw new Exception( __METHOD__ . ": Read error (error with iconv)" );