Fix embedded PDF preview by streaming inline response#21
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![github-advanced-security[bot]](https://avatars.githubusercontent.com/in/57789?s=60&v=4){kind=small}
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| public function handle_preview_stream() { | ||
| $post_id = isset( $_GET['post_id'] ) ? intval( $_GET['post_id'] ) : 0; // phpcs:ignore WordPress.Security.NonceVerification.Recommended | ||
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| if ( ! $post_id || ! current_user_can( 'edit_post', $post_id ) ) { | ||
| wp_die( esc_html__( 'Permisos insuficientes.', 'resolate' ) ); | ||
| } | ||
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| if ( ! isset( $_GET['_wpnonce'] ) || ! wp_verify_nonce( sanitize_text_field( wp_unslash( $_GET['_wpnonce'] ) ), 'resolate_preview_stream_' . $post_id ) ) { // phpcs:ignore WordPress.Security.NonceVerification.Recommended | ||
| wp_die( esc_html__( 'Nonce no válido.', 'resolate' ) ); | ||
| } | ||
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| $user_id = get_current_user_id(); | ||
| if ( $user_id <= 0 ) { | ||
| wp_die( esc_html__( 'Usuario no autenticado.', 'resolate' ) ); | ||
| } | ||
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| $key = $this->get_preview_stream_transient_key( $post_id, $user_id ); | ||
| $filename = get_transient( $key ); | ||
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| if ( false === $filename || '' === $filename ) { | ||
| $this->ensure_document_generator(); | ||
| $result = Resolate_Document_Generator::generate_pdf( $post_id ); | ||
| if ( is_wp_error( $result ) ) { | ||
| wp_die( esc_html__( 'No se pudo generar el PDF para la vista previa.', 'resolate' ) ); | ||
| } | ||
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| $filename = basename( $result ); | ||
| $this->remember_preview_stream_file( $post_id, $filename ); | ||
| } | ||
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| $filename = sanitize_file_name( (string) $filename ); | ||
| if ( '' === $filename ) { | ||
| wp_die( esc_html__( 'Archivo de vista previa no disponible.', 'resolate' ) ); | ||
| } | ||
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| $upload_dir = wp_upload_dir(); | ||
| $path = trailingslashit( $upload_dir['basedir'] ) . 'resolate/' . $filename; | ||
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| if ( ! file_exists( $path ) || ! is_readable( $path ) ) { | ||
| wp_die( esc_html__( 'No se pudo acceder al archivo PDF generado.', 'resolate' ) ); | ||
| } | ||
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| $filesize = filesize( $path ); | ||
| $download_name = wp_basename( $filename ); | ||
| $encoded_name = rawurlencode( $download_name ); | ||
| $disposition = 'inline; filename="' . $download_name . '"; filename*=UTF-8\'\'' . $encoded_name; | ||
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| status_header( 200 ); | ||
| nocache_headers(); | ||
| header( 'Content-Type: application/pdf' ); | ||
| header( 'Content-Disposition: ' . $disposition ); | ||
| if ( $filesize > 0 ) { | ||
| header( 'Content-Length: ' . $filesize ); | ||
| } | ||
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| $handle = fopen( $path, 'rb' ); | ||
| if ( false === $handle ) { | ||
| wp_die( esc_html__( 'No se pudo leer el archivo PDF.', 'resolate' ) ); | ||
| } | ||
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| while ( ! feof( $handle ) ) { | ||
| echo fread( $handle, 8192 ); | ||
| } | ||
| fclose( $handle ); | ||
| exit; | ||
| } |
Check warning
Code scanning / PHPMD
Code Size Rules: CyclomaticComplexity Warning
Comment on lines
+290
to
+355
| public function handle_preview_stream() { | ||
| $post_id = isset( $_GET['post_id'] ) ? intval( $_GET['post_id'] ) : 0; // phpcs:ignore WordPress.Security.NonceVerification.Recommended | ||
|
|
||
| if ( ! $post_id || ! current_user_can( 'edit_post', $post_id ) ) { | ||
| wp_die( esc_html__( 'Permisos insuficientes.', 'resolate' ) ); | ||
| } | ||
|
|
||
| if ( ! isset( $_GET['_wpnonce'] ) || ! wp_verify_nonce( sanitize_text_field( wp_unslash( $_GET['_wpnonce'] ) ), 'resolate_preview_stream_' . $post_id ) ) { // phpcs:ignore WordPress.Security.NonceVerification.Recommended | ||
| wp_die( esc_html__( 'Nonce no válido.', 'resolate' ) ); | ||
| } | ||
|
|
||
| $user_id = get_current_user_id(); | ||
| if ( $user_id <= 0 ) { | ||
| wp_die( esc_html__( 'Usuario no autenticado.', 'resolate' ) ); | ||
| } | ||
|
|
||
| $key = $this->get_preview_stream_transient_key( $post_id, $user_id ); | ||
| $filename = get_transient( $key ); | ||
|
|
||
| if ( false === $filename || '' === $filename ) { | ||
| $this->ensure_document_generator(); | ||
| $result = Resolate_Document_Generator::generate_pdf( $post_id ); | ||
| if ( is_wp_error( $result ) ) { | ||
| wp_die( esc_html__( 'No se pudo generar el PDF para la vista previa.', 'resolate' ) ); | ||
| } | ||
|
|
||
| $filename = basename( $result ); | ||
| $this->remember_preview_stream_file( $post_id, $filename ); | ||
| } | ||
|
|
||
| $filename = sanitize_file_name( (string) $filename ); | ||
| if ( '' === $filename ) { | ||
| wp_die( esc_html__( 'Archivo de vista previa no disponible.', 'resolate' ) ); | ||
| } | ||
|
|
||
| $upload_dir = wp_upload_dir(); | ||
| $path = trailingslashit( $upload_dir['basedir'] ) . 'resolate/' . $filename; | ||
|
|
||
| if ( ! file_exists( $path ) || ! is_readable( $path ) ) { | ||
| wp_die( esc_html__( 'No se pudo acceder al archivo PDF generado.', 'resolate' ) ); | ||
| } | ||
|
|
||
| $filesize = filesize( $path ); | ||
| $download_name = wp_basename( $filename ); | ||
| $encoded_name = rawurlencode( $download_name ); | ||
| $disposition = 'inline; filename="' . $download_name . '"; filename*=UTF-8\'\'' . $encoded_name; | ||
|
|
||
| status_header( 200 ); | ||
| nocache_headers(); | ||
| header( 'Content-Type: application/pdf' ); | ||
| header( 'Content-Disposition: ' . $disposition ); | ||
| if ( $filesize > 0 ) { | ||
| header( 'Content-Length: ' . $filesize ); | ||
| } | ||
|
|
||
| $handle = fopen( $path, 'rb' ); | ||
| if ( false === $handle ) { | ||
| wp_die( esc_html__( 'No se pudo leer el archivo PDF.', 'resolate' ) ); | ||
| } | ||
|
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||
| while ( ! feof( $handle ) ) { | ||
| echo fread( $handle, 8192 ); | ||
| } | ||
| fclose( $handle ); | ||
| exit; | ||
| } |
Check warning
Code scanning / PHPMD
Code Size Rules: NPathComplexity Warning
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Summary
Testing
https://chatgpt.com/codex/tasks/task_e_68eddd4f38588322a049ca41434f06d0