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client-side rewrite: for rewrite_html(), pre-rewrite problematic tags (FRAME/TD/TH/TR) that are filtered out if standalone, improves #138

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This commit is contained in:
Ilya Kreymer 2017-07-21 12:01:40 -07:00
parent 64d05aca45
commit 9d86601aab
1 changed files with 35 additions and 22 deletions
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23
pywb/static/wombat.js
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@ -1415,6 +1415,11 @@ var _WBWombat = function($wbwindow, wbinfo) {
string = write_buff + string; string = write_buff + string;
write_buff = ""; write_buff = "";
} }
var orig_string = string;
string = string.replace(/<(\/?)(FRAME|TD|TR|TH)\b/ig, "<$1PYWB_$2");
var inner_doc = new DOMParser().parseFromString(string, "text/html"); var inner_doc = new DOMParser().parseFromString(string, "text/html");
if (!inner_doc) { if (!inner_doc) {
@ -1434,11 +1439,8 @@ var _WBWombat = function($wbwindow, wbinfo) {
changed = rewrite_elem(inner_doc.all[i]) || changed; changed = rewrite_elem(inner_doc.all[i]) || changed;
} }
if (!changed) { function get_new_html() {
return string; var new_html;
}
var new_html = "";
// if original had <html> tag, add full document HTML // if original had <html> tag, add full document HTML
if (string && string.indexOf("<html") >= 0) { if (string && string.indexOf("<html") >= 0) {
@ -1464,6 +1466,17 @@ var _WBWombat = function($wbwindow, wbinfo) {
return new_html; return new_html;
} }
if (changed) {
string = get_new_html();
}
if (string && string != orig_string) {
string = string.replace(/<(\/?)PYWB_(FRAME|TD|TR|TH)\b/ig, "<$1$2");
}
return string;
}
//============================================ //============================================
function get_orig_getter(obj, prop) { function get_orig_getter(obj, prop) {
var orig_getter; var orig_getter;