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@ -15,6 +15,7 @@ use std::default::Default;
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use crate::css::embed_css;
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use crate::js::attr_is_event_handler;
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use crate::opts::Options;
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use crate::url::{
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data_to_data_url, get_url_fragment, is_http_url, resolve_url, url_has_protocol,
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url_with_fragment,
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@ -73,8 +74,7 @@ pub fn embed_srcset(
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client: &Client,
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parent_url: &str,
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srcset: &str,
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opt_no_images: bool,
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opt_silent: bool,
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options: &Options,
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) -> String {
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let mut array: Vec<SrcSetItem> = vec![];
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let srcset_items: Vec<&str> = srcset.split(',').collect();
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@ -89,12 +89,12 @@ pub fn embed_srcset(
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let mut result: String = str!();
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let mut i: usize = array.len();
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for part in array {
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if opt_no_images {
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if options.no_images {
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result.push_str(empty_image!());
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} else {
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let image_full_url = resolve_url(&parent_url, part.path).unwrap_or_default();
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let image_url_fragment = get_url_fragment(image_full_url.clone());
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match retrieve_asset(cache, client, &parent_url, &image_full_url, opt_silent) {
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match retrieve_asset(cache, client, &parent_url, &image_full_url, options.silent) {
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Ok((image_data, image_final_url, image_media_type)) => {
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let image_data_url =
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data_to_data_url(&image_media_type, &image_data, &image_final_url);
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@ -137,29 +137,13 @@ pub fn walk_and_embed_assets(
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client: &Client,
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url: &str,
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node: &Handle,
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opt_no_css: bool,
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opt_no_fonts: bool,
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opt_no_frames: bool,
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opt_no_js: bool,
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opt_no_images: bool,
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opt_silent: bool,
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options: &Options,
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) {
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match node.data {
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NodeData::Document => {
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// Dig deeper
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for child in node.children.borrow().iter() {
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walk_and_embed_assets(
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cache,
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client,
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&url,
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child,
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opt_no_css,
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opt_no_fonts,
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opt_no_frames,
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opt_no_js,
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opt_no_images,
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opt_silent,
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);
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walk_and_embed_assets(cache, client, &url, child, options);
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}
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}
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NodeData::Element {
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@ -245,7 +229,7 @@ pub fn walk_and_embed_assets(
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}
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}
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if !opt_no_images && !link_href.is_empty() {
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if !options.no_images && !link_href.is_empty() {
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let link_href_full_url =
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resolve_url(&url, link_href).unwrap_or_default();
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let link_href_url_fragment =
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@ -255,7 +239,7 @@ pub fn walk_and_embed_assets(
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client,
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&url,
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&link_href_full_url,
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opt_silent,
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options.silent,
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) {
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Ok((
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link_href_data,
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@ -319,7 +303,7 @@ pub fn walk_and_embed_assets(
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}
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}
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if !opt_no_css && !link_href.is_empty() {
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if !options.no_css && !link_href.is_empty() {
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let link_href_full_url =
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resolve_url(&url, link_href).unwrap_or_default();
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match retrieve_asset(
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@ -327,7 +311,7 @@ pub fn walk_and_embed_assets(
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client,
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&url,
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&link_href_full_url,
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opt_silent,
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options.silent,
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) {
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Ok((
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link_href_data,
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@ -343,9 +327,7 @@ pub fn walk_and_embed_assets(
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client,
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&link_href_final_url,
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&String::from_utf8_lossy(&link_href_data),
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opt_no_fonts,
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opt_no_images,
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opt_silent,
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options,
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);
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let link_href_data_url = data_to_data_url(
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"text/css",
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@ -415,11 +397,16 @@ pub fn walk_and_embed_assets(
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}
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}
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if !opt_no_images && !background.is_empty() {
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if !options.no_images && !background.is_empty() {
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let background_full_url = resolve_url(&url, background).unwrap_or_default();
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let background_url_fragment = get_url_fragment(background_full_url.clone());
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match retrieve_asset(cache, client, &url, &background_full_url, opt_silent)
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{
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match retrieve_asset(
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cache,
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client,
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&url,
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&background_full_url,
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options.silent,
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) {
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Ok((background_data, background_final_url, background_media_type)) => {
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let background_data_url = data_to_data_url(
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&background_media_type,
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@ -471,7 +458,7 @@ pub fn walk_and_embed_assets(
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}
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}
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if opt_no_images {
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if options.no_images {
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// Add empty image src attribute
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attrs_mut.push(Attribute {
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name: QualName::new(None, ns!(), local_name!("src")),
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@ -496,7 +483,8 @@ pub fn walk_and_embed_assets(
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)
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.unwrap_or_default();
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let img_url_fragment = get_url_fragment(img_full_url.clone());
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match retrieve_asset(cache, client, &url, &img_full_url, opt_silent) {
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match retrieve_asset(cache, client, &url, &img_full_url, options.silent)
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{
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Ok((img_data, img_final_url, img_media_type)) => {
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let img_data_url = data_to_data_url(
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&img_media_type,
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@ -533,21 +521,13 @@ pub fn walk_and_embed_assets(
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attrs_mut.push(Attribute {
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name: QualName::new(None, ns!(), local_name!("srcset")),
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value: Tendril::from_slice(
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embed_srcset(
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cache,
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client,
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&url,
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&img_srcset,
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opt_no_images,
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opt_silent,
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)
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.as_ref(),
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embed_srcset(cache, client, &url, &img_srcset, options).as_ref(),
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),
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});
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}
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}
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"svg" => {
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if opt_no_images {
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if options.no_images {
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node.children.borrow_mut().clear();
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}
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}
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@ -573,7 +553,7 @@ pub fn walk_and_embed_assets(
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}
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}
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if opt_no_images || input_image_src.is_empty() {
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if options.no_images || input_image_src.is_empty() {
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attrs_mut.push(Attribute {
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name: QualName::new(None, ns!(), local_name!("src")),
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value: Tendril::from_slice(if input_image_src.is_empty() {
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@ -592,7 +572,7 @@ pub fn walk_and_embed_assets(
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client,
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&url,
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&input_image_full_url,
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opt_silent,
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options.silent,
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) {
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Ok((
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input_image_data,
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@ -646,10 +626,10 @@ pub fn walk_and_embed_assets(
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}
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}
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if !opt_no_images && !image_href.is_empty() {
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if !options.no_images && !image_href.is_empty() {
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let image_full_url = resolve_url(&url, image_href).unwrap_or_default();
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let image_url_fragment = get_url_fragment(image_full_url.clone());
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match retrieve_asset(cache, client, &url, &image_full_url, opt_silent) {
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match retrieve_asset(cache, client, &url, &image_full_url, options.silent) {
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Ok((image_data, image_final_url, image_media_type)) => {
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let image_data_url = data_to_data_url(
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&image_media_type,
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@ -693,7 +673,7 @@ pub fn walk_and_embed_assets(
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attr.value.push_slice(src_full_url.as_str());
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} else if attr_name.eq_ignore_ascii_case("srcset") {
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if get_node_name(&get_parent_node(&node)) == Some("picture") {
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if opt_no_images {
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if options.no_images {
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attr.value.clear();
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attr.value.push_slice(empty_image!());
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} else {
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@ -706,7 +686,7 @@ pub fn walk_and_embed_assets(
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client,
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&url,
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&srcset_full_url,
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opt_silent,
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options.silent,
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) {
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Ok((srcset_data, srcset_final_url, srcset_media_type)) => {
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let srcset_data_url = data_to_data_url(
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@ -744,7 +724,7 @@ pub fn walk_and_embed_assets(
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if attr_name.eq_ignore_ascii_case("href") {
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let attr_value = attr.value.trim();
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if opt_no_js && attr_value.starts_with("javascript:") {
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if options.no_js && attr_value.trim().starts_with("javascript:") {
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attr.value.clear();
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// Replace with empty JS call to preserve original behavior
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attr.value.push_slice("javascript:;");
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@ -778,12 +758,13 @@ pub fn walk_and_embed_assets(
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}
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}
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if opt_no_js {
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if options.no_js {
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// Empty inner content (src is already gone)
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node.children.borrow_mut().clear();
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} else if !script_src.is_empty() {
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let script_full_url = resolve_url(&url, script_src).unwrap_or_default();
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match retrieve_asset(cache, client, &url, &script_full_url, opt_silent) {
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match retrieve_asset(cache, client, &url, &script_full_url, options.silent)
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{
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Ok((script_data, script_final_url, _script_media_type)) => {
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// Only embed if we're able to validate integrity
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if script_integrity.is_empty()
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@ -814,22 +795,15 @@ pub fn walk_and_embed_assets(
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}
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}
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"style" => {
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if opt_no_css {
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if options.no_css {
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// Empty inner content of STYLE tags
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node.children.borrow_mut().clear();
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} else {
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for node in node.children.borrow_mut().iter_mut() {
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if let NodeData::Text { ref contents } = node.data {
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let mut tendril = contents.borrow_mut();
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let replacement = embed_css(
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cache,
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client,
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&url,
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tendril.as_ref(),
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opt_no_fonts,
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opt_no_images,
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opt_silent,
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);
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let replacement =
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embed_css(cache, client, &url, tendril.as_ref(), options);
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tendril.clear();
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tendril.push_slice(&replacement);
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}
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@ -855,7 +829,7 @@ pub fn walk_and_embed_assets(
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for attr in attrs_mut.iter_mut() {
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let attr_name: &str = &attr.name.local;
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if attr_name.eq_ignore_ascii_case("src") {
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if opt_no_frames {
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if options.no_frames {
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// Empty the src attribute
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attr.value.clear();
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continue;
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@ -870,7 +844,13 @@ pub fn walk_and_embed_assets(
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let frame_full_url = resolve_url(&url, frame_src).unwrap_or_default();
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let frame_url_fragment = get_url_fragment(frame_full_url.clone());
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match retrieve_asset(cache, client, &url, &frame_full_url, opt_silent) {
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match retrieve_asset(
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cache,
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client,
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&url,
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&frame_full_url,
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options.silent,
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) {
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Ok((frame_data, frame_final_url, frame_media_type)) => {
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let frame_dom =
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html_to_dom(&String::from_utf8_lossy(&frame_data));
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@ -879,12 +859,7 @@ pub fn walk_and_embed_assets(
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client,
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&frame_final_url,
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&frame_dom.document,
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opt_no_css,
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opt_no_fonts,
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opt_no_frames,
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opt_no_js,
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opt_no_images,
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opt_silent,
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&options,
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);
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let mut frame_data: Vec<u8> = Vec::new();
|
|
|
|
|
serialize(
|
|
|
|
|
@ -931,7 +906,7 @@ pub fn walk_and_embed_assets(
|
|
|
|
|
continue;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
if opt_no_images {
|
|
|
|
|
if options.no_images {
|
|
|
|
|
attr.value.clear();
|
|
|
|
|
continue;
|
|
|
|
|
}
|
|
|
|
|
@ -945,7 +920,7 @@ pub fn walk_and_embed_assets(
|
|
|
|
|
client,
|
|
|
|
|
&url,
|
|
|
|
|
&video_poster_full_url,
|
|
|
|
|
opt_silent,
|
|
|
|
|
options.silent,
|
|
|
|
|
) {
|
|
|
|
|
Ok((
|
|
|
|
|
video_poster_data,
|
|
|
|
|
@ -983,7 +958,7 @@ pub fn walk_and_embed_assets(
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// Process style attributes
|
|
|
|
|
if opt_no_css {
|
|
|
|
|
if options.no_css {
|
|
|
|
|
// Get rid of style attributes
|
|
|
|
|
let mut i = 0;
|
|
|
|
|
while i < attrs_mut.len() {
|
|
|
|
|
@ -1000,22 +975,15 @@ pub fn walk_and_embed_assets(
|
|
|
|
|
.iter_mut()
|
|
|
|
|
.filter(|a| a.name.local.as_ref().eq_ignore_ascii_case("style"))
|
|
|
|
|
{
|
|
|
|
|
let replacement = embed_css(
|
|
|
|
|
cache,
|
|
|
|
|
client,
|
|
|
|
|
&url,
|
|
|
|
|
attribute.value.as_ref(),
|
|
|
|
|
opt_no_fonts,
|
|
|
|
|
opt_no_images,
|
|
|
|
|
opt_silent,
|
|
|
|
|
);
|
|
|
|
|
let replacement =
|
|
|
|
|
embed_css(cache, client, &url, attribute.value.as_ref(), options);
|
|
|
|
|
// let replacement = str!();
|
|
|
|
|
attribute.value.clear();
|
|
|
|
|
attribute.value.push_slice(&replacement);
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
if opt_no_js {
|
|
|
|
|
if options.no_js {
|
|
|
|
|
// Get rid of JS event attributes
|
|
|
|
|
let mut js_attr_indexes = Vec::new();
|
|
|
|
|
for (i, attr) in attrs_mut.iter_mut().enumerate() {
|
|
|
|
|
@ -1031,22 +999,11 @@ pub fn walk_and_embed_assets(
|
|
|
|
|
|
|
|
|
|
// Dig deeper
|
|
|
|
|
for child in node.children.borrow().iter() {
|
|
|
|
|
walk_and_embed_assets(
|
|
|
|
|
cache,
|
|
|
|
|
client,
|
|
|
|
|
&url,
|
|
|
|
|
child,
|
|
|
|
|
opt_no_css,
|
|
|
|
|
opt_no_fonts,
|
|
|
|
|
opt_no_frames,
|
|
|
|
|
opt_no_js,
|
|
|
|
|
opt_no_images,
|
|
|
|
|
opt_silent,
|
|
|
|
|
);
|
|
|
|
|
walk_and_embed_assets(cache, client, &url, child, options);
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
_ => {
|
|
|
|
|
// Note: in case of opt_no_js being set to true, there's no need to worry about
|
|
|
|
|
// Note: in case of options.no_js being set to true, there's no need to worry about
|
|
|
|
|
// getting rid of comments that may contain scripts, e.g. <!--[if IE]><script>...
|
|
|
|
|
// since that's not part of W3C standard and therefore gets ignored
|
|
|
|
|
// by browsers other than IE [5, 9]
|
|
|
|
|
@ -1073,15 +1030,7 @@ fn get_child_node_by_name(handle: &Handle, node_name: &str) -> Handle {
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
pub fn stringify_document(
|
|
|
|
|
handle: &Handle,
|
|
|
|
|
opt_no_css: bool,
|
|
|
|
|
opt_no_fonts: bool,
|
|
|
|
|
opt_no_frames: bool,
|
|
|
|
|
opt_no_js: bool,
|
|
|
|
|
opt_no_images: bool,
|
|
|
|
|
opt_isolate: bool,
|
|
|
|
|
) -> String {
|
|
|
|
|
pub fn stringify_document(handle: &Handle, options: &Options) -> String {
|
|
|
|
|
let mut buf: Vec<u8> = Vec::new();
|
|
|
|
|
serialize(&mut buf, handle, SerializeOpts::default())
|
|
|
|
|
.expect("unable to serialize DOM into buffer");
|
|
|
|
|
@ -1089,20 +1038,19 @@ pub fn stringify_document(
|
|
|
|
|
let mut result = String::from_utf8(buf).unwrap();
|
|
|
|
|
|
|
|
|
|
// Take care of CSP
|
|
|
|
|
if opt_isolate || opt_no_css || opt_no_fonts || opt_no_frames || opt_no_js || opt_no_images {
|
|
|
|
|
if options.isolate
|
|
|
|
|
|| options.no_css
|
|
|
|
|
|| options.no_fonts
|
|
|
|
|
|| options.no_frames
|
|
|
|
|
|| options.no_js
|
|
|
|
|
|| options.no_images
|
|
|
|
|
{
|
|
|
|
|
let mut buf: Vec<u8> = Vec::new();
|
|
|
|
|
let mut dom = html_to_dom(&result);
|
|
|
|
|
let doc = dom.get_document();
|
|
|
|
|
let html = get_child_node_by_name(&doc, "html");
|
|
|
|
|
let head = get_child_node_by_name(&html, "head");
|
|
|
|
|
let csp_content: String = csp(
|
|
|
|
|
opt_isolate,
|
|
|
|
|
opt_no_css,
|
|
|
|
|
opt_no_fonts,
|
|
|
|
|
opt_no_frames,
|
|
|
|
|
opt_no_js,
|
|
|
|
|
opt_no_images,
|
|
|
|
|
);
|
|
|
|
|
let csp_content: String = csp(options);
|
|
|
|
|
|
|
|
|
|
let meta = dom.create_element(
|
|
|
|
|
QualName::new(None, ns!(), local_name!("meta")),
|
|
|
|
|
@ -1136,38 +1084,31 @@ pub fn stringify_document(
|
|
|
|
|
result
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
pub fn csp(
|
|
|
|
|
opt_isolate: bool,
|
|
|
|
|
opt_no_css: bool,
|
|
|
|
|
opt_no_fonts: bool,
|
|
|
|
|
opt_no_frames: bool,
|
|
|
|
|
opt_no_js: bool,
|
|
|
|
|
opt_no_images: bool,
|
|
|
|
|
) -> String {
|
|
|
|
|
pub fn csp(options: &Options) -> String {
|
|
|
|
|
let mut string_list = vec![];
|
|
|
|
|
|
|
|
|
|
if opt_isolate {
|
|
|
|
|
if options.isolate {
|
|
|
|
|
string_list.push("default-src 'unsafe-inline' data:;");
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
if opt_no_css {
|
|
|
|
|
if options.no_css {
|
|
|
|
|
string_list.push("style-src 'none';");
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
if opt_no_fonts {
|
|
|
|
|
if options.no_fonts {
|
|
|
|
|
string_list.push("font-src 'none';");
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
if opt_no_frames {
|
|
|
|
|
if options.no_frames {
|
|
|
|
|
string_list.push("frame-src 'none';");
|
|
|
|
|
string_list.push("child-src 'none';");
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
if opt_no_js {
|
|
|
|
|
if options.no_js {
|
|
|
|
|
string_list.push("script-src 'none';");
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
if opt_no_images {
|
|
|
|
|
if options.no_images {
|
|
|
|
|
// Note: data: is needed for transparent pixels
|
|
|
|
|
string_list.push("img-src data:;");
|
|
|
|
|
}
|
|
|
|
|
|
Sunshine
4 years ago
committed by
GitHub