X-Git-Url: https://scripts.mit.edu/gitweb/autoinstalls/wordpress.git/blobdiff_plain/9e77185fafaf4e60e2b73821e0e4b9b1a11fb85f..refs/tags/wordpress-4.4:/wp-admin/includes/image.php

diff --git a/wp-admin/includes/image.php b/wp-admin/includes/image.php
index b78bac2a..139d4050 100644
--- a/wp-admin/includes/image.php
+++ b/wp-admin/includes/image.php
@@ -67,6 +67,8 @@ function wp_crop_image( $src, $src_x, $src_y, $src_w, $src_h, $dst_w, $dst_h, $s
  *
  * @since 2.1.0
  *
+ * @global array $_wp_additional_image_sizes
+ *
  * @param int $attachment_id Attachment Id to process.
  * @param string $file Filepath of the Attached image.
  * @return mixed Metadata for attachment.
@@ -108,10 +110,12 @@ function wp_generate_attachment_metadata( $attachment_id, $file ) {
 		 * Filter the image sizes automatically generated when uploading an image.
 		 *
 		 * @since 2.9.0
+		 * @since 4.4.0 The `$metadata` argument was addeed
 		 *
-		 * @param array $sizes An associative array of image sizes.
+		 * @param array $sizes    An associative array of image sizes.
+		 * @param array $metadata An associative array of image metadata: width, height, file.
 		 */
-		$sizes = apply_filters( 'intermediate_image_sizes_advanced', $sizes );
+		$sizes = apply_filters( 'intermediate_image_sizes_advanced', $sizes, $metadata );
 
 		if ( $sizes ) {
 			$editor = wp_get_image_editor( $file );
@@ -127,10 +131,10 @@ function wp_generate_attachment_metadata( $attachment_id, $file ) {
 		if ( $image_meta )
 			$metadata['image_meta'] = $image_meta;
 
-	} elseif ( preg_match( '#^video/#', get_post_mime_type( $attachment ) ) ) {
+	} elseif ( wp_attachment_is( 'video', $attachment ) ) {
 		$metadata = wp_read_video_metadata( $file );
 		$support = current_theme_supports( 'post-thumbnails', 'attachment:video' ) || post_type_supports( 'attachment:video', 'thumbnail' );
-	} elseif ( preg_match( '#^audio/#', get_post_mime_type( $attachment ) ) ) {
+	} elseif ( wp_attachment_is( 'audio', $attachment ) ) {
 		$metadata = wp_read_audio_metadata( $file );
 		$support = current_theme_supports( 'post-thumbnails', 'attachment:audio' ) || post_type_supports( 'attachment:audio', 'thumbnail' );
 	}
@@ -190,8 +194,9 @@ function wp_generate_attachment_metadata( $attachment_id, $file ) {
 	}
 
 	// Remove the blob of binary data from the array.
-	if ( isset( $metadata['image']['data'] ) )
+	if ( $metadata ) {
 		unset( $metadata['image']['data'] );
+	}
 
 	/**
 	 * Filter the generated attachment meta data.
@@ -274,8 +279,10 @@ function wp_read_image_metadata( $file ) {
 		'shutter_speed' => 0,
 		'title' => '',
 		'orientation' => 0,
+		'keywords' => array(),
 	);
 
+	$iptc = array();
 	/*
 	 * Read IPTC first, since it might contain data not available in exif such
 	 * as caption, description etc.
@@ -299,20 +306,17 @@ function wp_read_image_metadata( $file ) {
 
 			if ( ! empty( $iptc['2#120'][0] ) ) { // description / legacy caption
 				$caption = trim( $iptc['2#120'][0] );
-				if ( empty( $meta['title'] ) ) {
-					mbstring_binary_safe_encoding();
-					$caption_length = strlen( $caption );
-					reset_mbstring_encoding();
 
+				mbstring_binary_safe_encoding();
+				$caption_length = strlen( $caption );
+				reset_mbstring_encoding();
+
+				if ( empty( $meta['title'] ) && $caption_length < 80 ) {
 					// Assume the title is stored in 2:120 if it's short.
-					if ( $caption_length < 80 ) {
-						$meta['title'] = $caption;
-					} else {
-						$meta['caption'] = $caption;
-					}
-				} elseif ( $caption != $meta['title'] ) {
-					$meta['caption'] = $caption;
+					$meta['title'] = $caption;
 				}
+
+				$meta['caption'] = $caption;
 			}
 
 			if ( ! empty( $iptc['2#110'][0] ) ) // credit
@@ -320,11 +324,15 @@ function wp_read_image_metadata( $file ) {
 			elseif ( ! empty( $iptc['2#080'][0] ) ) // creator / legacy byline
 				$meta['credit'] = trim( $iptc['2#080'][0] );
 
-			if ( ! empty( $iptc['2#055'][0] ) and ! empty( $iptc['2#060'][0] ) ) // created date and time
+			if ( ! empty( $iptc['2#055'][0] ) && ! empty( $iptc['2#060'][0] ) ) // created date and time
 				$meta['created_timestamp'] = strtotime( $iptc['2#055'][0] . ' ' . $iptc['2#060'][0] );
 
 			if ( ! empty( $iptc['2#116'][0] ) ) // copyright
 				$meta['copyright'] = trim( $iptc['2#116'][0] );
+
+			if ( ! empty( $iptc['2#025'][0] ) ) { // keywords array
+				$meta['keywords'] = array_values( $iptc['2#025'] );
+			}
 		 }
 	}
 
@@ -338,10 +346,6 @@ function wp_read_image_metadata( $file ) {
 	if ( is_callable( 'exif_read_data' ) && in_array( $sourceImageType, apply_filters( 'wp_read_image_metadata_types', array( IMAGETYPE_JPEG, IMAGETYPE_TIFF_II, IMAGETYPE_TIFF_MM ) ) ) ) {
 		$exif = @exif_read_data( $file );
 
-		if ( empty( $meta['title'] ) && ! empty( $exif['Title'] ) ) {
-			$meta['title'] = trim( $exif['Title'] );
-		}
-
 		if ( ! empty( $exif['ImageDescription'] ) ) {
 			mbstring_binary_safe_encoding();
 			$description_length = strlen( $exif['ImageDescription'] );
@@ -350,13 +354,16 @@ function wp_read_image_metadata( $file ) {
 			if ( empty( $meta['title'] ) && $description_length < 80 ) {
 				// Assume the title is stored in ImageDescription
 				$meta['title'] = trim( $exif['ImageDescription'] );
-				if ( empty( $meta['caption'] ) && ! empty( $exif['COMPUTED']['UserComment'] ) && trim( $exif['COMPUTED']['UserComment'] ) != $meta['title'] ) {
-					$meta['caption'] = trim( $exif['COMPUTED']['UserComment'] );
-				}
-			} elseif ( empty( $meta['caption'] ) && trim( $exif['ImageDescription'] ) != $meta['title'] ) {
+			}
+
+			if ( empty( $meta['caption'] ) && ! empty( $exif['COMPUTED']['UserComment'] ) ) {
+				$meta['caption'] = trim( $exif['COMPUTED']['UserComment'] );
+			}
+
+			if ( empty( $meta['caption'] ) ) {
 				$meta['caption'] = trim( $exif['ImageDescription'] );
 			}
-		} elseif ( empty( $meta['caption'] ) && ! empty( $exif['Comments'] ) && trim( $exif['Comments'] ) != $meta['title'] ) {
+		} elseif ( empty( $meta['caption'] ) && ! empty( $exif['Comments'] ) ) {
 			$meta['caption'] = trim( $exif['Comments'] );
 		}
 
@@ -401,16 +408,24 @@ function wp_read_image_metadata( $file ) {
 		}
 	}
 
+	foreach ( $meta as &$value ) {
+		if ( is_string( $value ) ) {
+			$value = wp_kses_post( $value );
+		}
+	}
+
 	/**
 	 * Filter the array of meta data read from an image's exif data.
 	 *
 	 * @since 2.5.0
+	 * @since 4.4.0 The `$iptc` parameter was added.
 	 *
 	 * @param array  $meta            Image meta data.
 	 * @param string $file            Path to image file.
 	 * @param int    $sourceImageType Type of image.
+	 * @param array  $iptc            IPTC data.
 	 */
-	return apply_filters( 'wp_read_image_metadata', $meta, $file, $sourceImageType );
+	return apply_filters( 'wp_read_image_metadata', $meta, $file, $sourceImageType, $iptc );
 
 }