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wombat: edge case: correctly handle <iframe src="javascript:WB_wombat_location=...> assignment created via JS.. custom rewrite_frame_src() added for use with rewrite_elem(), ensures wombat init is inserted first thing after 'javascript:'

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This commit is contained in:
Ilya Kreymer 2016-09-14 15:44:20 -07:00
parent cc65ce914d
commit 0a76a56b91
1 changed files with 32 additions and 0 deletions
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32
pywb/static/wombat.js
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@ -1208,6 +1208,35 @@ var wombat_internal = function($wbwindow) {
return value;
}
//============================================
function rewrite_frame_src(elem, name)
{
var value = wb_getAttribute.call(elem, name);
var new_value = undefined;
// special case for rewriting javascript: urls that contain WB_wombat_
// must insert wombat init first!
if (starts_with(value, "javascript:")) {
if (value.indexOf("WB_wombat_") >= 0) {
var JS = "javascript:";
new_value = JS;
new_value += "window.parent._wb_wombat.init_new_window_wombat(window);"
new_value += value.substr(JS.length);
}
}
if (!new_value) {
new_value = rewrite_url(value, false);
}
if (new_value != value) {
wb_setAttribute.call(elem, name, new_value);
return true;
}
return false;
}
//============================================
function rewrite_elem(elem)
{
@ -1229,6 +1258,8 @@ var wombat_internal = function($wbwindow) {
changed = rewrite_attr(elem, "action", true);
} else if (elem.tagName == "INPUT") {
changed = rewrite_attr(elem, "value", true);
} else if (elem.tagName == "IFRAME" || elem.tagName == "FRAME") {
changed = rewrite_frame_src(elem, "src");
} else {
changed = rewrite_attr(elem, "src");
changed = rewrite_attr(elem, "href") || changed;
@ -2386,6 +2417,7 @@ var wombat_internal = function($wbwindow) {
this.extract_orig = extract_orig;
this.rewrite_url = rewrite_url;
this.watch_elem = watch_elem;
this.init_new_window_wombat = init_new_window_wombat;
}
function init_top_frame($wbwindow) {