X-Git-Url: https://scripts.mit.edu/gitweb/autoinstalls/wordpress.git/blobdiff_plain/9e77185fafaf4e60e2b73821e0e4b9b1a11fb85f..0f74cdeda4c069bfbb9c4131ef1352f55b6f8499:/wp-admin/includes/image.php diff --git a/wp-admin/includes/image.php b/wp-admin/includes/image.php index b78bac2a..4ae53b9c 100644 --- a/wp-admin/includes/image.php +++ b/wp-admin/includes/image.php @@ -28,7 +28,7 @@ function wp_crop_image( $src, $src_x, $src_y, $src_w, $src_h, $dst_w, $dst_h, $s $src_file = get_attached_file( $src ); if ( ! file_exists( $src_file ) ) { - // If the file doesn't exist, attempt a url fopen on the src link. + // If the file doesn't exist, attempt a URL fopen on the src link. // This can occur with certain file replication plugins. $src = _load_image_to_edit_path( $src, 'full' ); } else { @@ -76,7 +76,9 @@ function wp_generate_attachment_metadata( $attachment_id, $file ) { $metadata = array(); $support = false; - if ( preg_match('!^image/!', get_post_mime_type( $attachment )) && file_is_displayable_image($file) ) { + $mime_type = get_post_mime_type( $attachment ); + + if ( preg_match( '!^image/!', $mime_type ) && file_is_displayable_image( $file ) ) { $imagesize = getimagesize( $file ); $metadata['width'] = $imagesize[0]; $metadata['height'] = $imagesize[1]; @@ -85,33 +87,46 @@ function wp_generate_attachment_metadata( $attachment_id, $file ) { $metadata['file'] = _wp_relative_upload_path($file); // Make thumbnails and other intermediate sizes. - global $_wp_additional_image_sizes; + $_wp_additional_image_sizes = wp_get_additional_image_sizes(); $sizes = array(); foreach ( get_intermediate_image_sizes() as $s ) { $sizes[$s] = array( 'width' => '', 'height' => '', 'crop' => false ); - if ( isset( $_wp_additional_image_sizes[$s]['width'] ) ) - $sizes[$s]['width'] = intval( $_wp_additional_image_sizes[$s]['width'] ); // For theme-added sizes - else - $sizes[$s]['width'] = get_option( "{$s}_size_w" ); // For default sizes set in options - if ( isset( $_wp_additional_image_sizes[$s]['height'] ) ) - $sizes[$s]['height'] = intval( $_wp_additional_image_sizes[$s]['height'] ); // For theme-added sizes - else - $sizes[$s]['height'] = get_option( "{$s}_size_h" ); // For default sizes set in options - if ( isset( $_wp_additional_image_sizes[$s]['crop'] ) ) - $sizes[$s]['crop'] = $_wp_additional_image_sizes[$s]['crop']; // For theme-added sizes - else - $sizes[$s]['crop'] = get_option( "{$s}_crop" ); // For default sizes set in options + if ( isset( $_wp_additional_image_sizes[$s]['width'] ) ) { + // For theme-added sizes + $sizes[$s]['width'] = intval( $_wp_additional_image_sizes[$s]['width'] ); + } else { + // For default sizes set in options + $sizes[$s]['width'] = get_option( "{$s}_size_w" ); + } + + if ( isset( $_wp_additional_image_sizes[$s]['height'] ) ) { + // For theme-added sizes + $sizes[$s]['height'] = intval( $_wp_additional_image_sizes[$s]['height'] ); + } else { + // For default sizes set in options + $sizes[$s]['height'] = get_option( "{$s}_size_h" ); + } + + if ( isset( $_wp_additional_image_sizes[$s]['crop'] ) ) { + // For theme-added sizes + $sizes[$s]['crop'] = $_wp_additional_image_sizes[$s]['crop']; + } else { + // For default sizes set in options + $sizes[$s]['crop'] = get_option( "{$s}_crop" ); + } } /** - * Filter the image sizes automatically generated when uploading an image. + * Filters the image sizes automatically generated when uploading an image. * * @since 2.9.0 + * @since 4.4.0 Added the `$metadata` argument. * - * @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 +142,10 @@ 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' ); } @@ -170,7 +185,7 @@ function wp_generate_attachment_metadata( $attachment_id, $file ) { 'post_content' => '', ); /** - * Filter the parameters for the attachment thumbnail creation. + * Filters the parameters for the attachment thumbnail creation. * * @since 3.9.0 * @@ -188,13 +203,78 @@ function wp_generate_attachment_metadata( $attachment_id, $file ) { } } } + // Try to create image thumbnails for PDFs + else if ( 'application/pdf' === $mime_type ) { + $fallback_sizes = array( + 'thumbnail', + 'medium', + 'large', + ); + + /** + * Filters the image sizes generated for non-image mime types. + * + * @since 4.7.0 + * + * @param array $fallback_sizes An array of image size names. + */ + $fallback_sizes = apply_filters( 'fallback_intermediate_image_sizes', $fallback_sizes, $metadata ); + + $sizes = array(); + $_wp_additional_image_sizes = wp_get_additional_image_sizes(); + + foreach ( $fallback_sizes as $s ) { + if ( isset( $_wp_additional_image_sizes[ $s ]['width'] ) ) { + $sizes[ $s ]['width'] = intval( $_wp_additional_image_sizes[ $s ]['width'] ); + } else { + $sizes[ $s ]['width'] = get_option( "{$s}_size_w" ); + } + + if ( isset( $_wp_additional_image_sizes[ $s ]['height'] ) ) { + $sizes[ $s ]['height'] = intval( $_wp_additional_image_sizes[ $s ]['height'] ); + } else { + $sizes[ $s ]['height'] = get_option( "{$s}_size_h" ); + } + + if ( isset( $_wp_additional_image_sizes[ $s ]['crop'] ) ) { + $sizes[ $s ]['crop'] = $_wp_additional_image_sizes[ $s ]['crop']; + } else { + // Force thumbnails to be soft crops. + if ( ! 'thumbnail' === $s ) { + $sizes[ $s ]['crop'] = get_option( "{$s}_crop" ); + } + } + } + + // Only load PDFs in an image editor if we're processing sizes. + if ( ! empty( $sizes ) ) { + $editor = wp_get_image_editor( $file ); + + if ( ! is_wp_error( $editor ) ) { // No support for this type of file + $uploaded = $editor->save( $file, 'image/jpeg' ); + unset( $editor ); + + // Resize based on the full size image, rather than the source. + if ( ! is_wp_error( $uploaded ) ) { + $editor = wp_get_image_editor( $uploaded['path'] ); + unset( $uploaded['path'] ); + + if ( ! is_wp_error( $editor ) ) { + $metadata['sizes'] = $editor->multi_resize( $sizes ); + $metadata['sizes']['full'] = $uploaded; + } + } + } + } + } // 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. + * Filters the generated attachment meta data. * * @since 2.1.0 * @@ -274,8 +354,10 @@ 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 +381,17 @@ 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 @@ -320,16 +399,20 @@ 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'] ); + } } } /** - * Filter the image types to check for exif data. + * Filters the image types to check for exif data. * * @since 2.5.0 * @@ -338,10 +421,6 @@ 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 +429,16 @@ 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 +483,26 @@ function wp_read_image_metadata( $file ) { } } + foreach ( $meta['keywords'] as $key => $keyword ) { + if ( ! seems_utf8( $keyword ) ) { + $meta['keywords'][ $key ] = utf8_encode( $keyword ); + } + } + + $meta = wp_kses_post_deep( $meta ); + /** - * Filter the array of meta data read from an image's exif data. + * Filters the array of meta data read from an image's exif data. * * @since 2.5.0 + * @since 4.4.0 The `$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, $iptc ); } @@ -448,7 +540,7 @@ function file_is_displayable_image($path) { } /** - * Filter whether the current image is displayable in the browser. + * Filters whether the current image is displayable in the browser. * * @since 2.5.0 * @@ -489,7 +581,7 @@ function load_image_to_edit( $attachment_id, $mime_type, $size = 'full' ) { } if ( is_resource($image) ) { /** - * Filter the current image being loaded for editing. + * Filters the current image being loaded for editing. * * @since 2.9.0 * @@ -525,7 +617,7 @@ function _load_image_to_edit_path( $attachment_id, $size = 'full' ) { if ( $filepath && file_exists( $filepath ) ) { if ( 'full' != $size && ( $data = image_get_intermediate_size( $attachment_id, $size ) ) ) { /** - * Filter the path to the current image. + * Filters the path to the current image. * * The filter is evaluated for all image sizes except 'full'. * @@ -537,9 +629,9 @@ function _load_image_to_edit_path( $attachment_id, $size = 'full' ) { */ $filepath = apply_filters( 'load_image_to_edit_filesystempath', path_join( dirname( $filepath ), $data['file'] ), $attachment_id, $size ); } - } elseif ( function_exists( 'fopen' ) && function_exists( 'ini_get' ) && true == ini_get( 'allow_url_fopen' ) ) { + } elseif ( function_exists( 'fopen' ) && true == ini_get( 'allow_url_fopen' ) ) { /** - * Filter the image URL if not in the local filesystem. + * Filters the image URL if not in the local filesystem. * * The filter is only evaluated if fopen is enabled on the server. * @@ -553,7 +645,7 @@ function _load_image_to_edit_path( $attachment_id, $size = 'full' ) { } /** - * Filter the returned path or URL of the current image. + * Filters the returned path or URL of the current image. * * @since 2.9.0 *