diff options
author | NateN1222 <nathannichols454@gmail.com> | 2017-09-24 12:30:01 -0500 |
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committer | NateN1222 <nathannichols454@gmail.com> | 2017-09-24 12:30:01 -0500 |
commit | 9e9b9bf5567641288f2f78c8d418c1603d34254a (patch) | |
tree | 5f08c7345d20b201754d6c8a7a4f29b55605ea46 /main_background.js | |
parent | e09a36203581f89322ab2857e6497ab3576abe96 (diff) |
Changes to inline script evaluation
Diffstat (limited to 'main_background.js')
-rw-r--r-- | main_background.js | 45 |
1 files changed, 25 insertions, 20 deletions
diff --git a/main_background.js b/main_background.js index e68389d..8e70a73 100644 --- a/main_background.js +++ b/main_background.js @@ -693,6 +693,14 @@ function delete_removed_tab_info(tab_id, remove_info){ function change_csp(e) { var index = 0; var csp_header = ""; + + + for(var i = 0; i < e["responseHeaders"].length; i++){ + console.log("%c"+e["responseHeaders"][i]["name"],"color:white"); + console.log(e["responseHeaders"][i]["value"]); + } + console.log("done"); + for(var i = 0; i < e["responseHeaders"].length; i++){ if(e["responseHeaders"][i]["name"].toLowerCase() == "content-security-policy"){ csp_header = e["responseHeaders"][i]["value"]; @@ -948,23 +956,23 @@ function get_script(response,url,tabid,wl,index=-1){ if(list_verdict == "wl"){ // redirect to the unedited version if(index != -1){ - resolve(["\n/*\n LibreJS: Script whitelisted by user \n*/\n"+response,index]); + resolve(["/* LibreJS: Script whitelisted by user */\n"+response,index]); } else{ - resolve("\n/*\n LibreJS: Script whitelisted by user \n*/\n"+response); + resolve("/* LibreJS: Script whitelisted by user */\n"+response); } }else if(list_verdict == "bl"){ // Blank the entire script if(index != -1){ - resolve(["\n/*\n LibreJS: Script blacklisted by user \n*/\n",index]); + resolve(["/* LibreJS: Script blacklisted by user */\n",index]); } else{ - resolve("\n/*\n LibreJS: Script blacklisted by user \n*/\n"); + resolve("/* LibreJS: Script blacklisted by user */\n"); } } else{ // Return the edited (normal) version if(index != -1){ - resolve(["\n/*\n LibreJS: Script acknowledged\n*/\n"+edited[1],index]); + resolve(["/* LibreJS: Script acknowledged */\n"+edited[1],index]); } else{ - resolve("\n/*\n LibreJS: Script acknowledged\n*/\n"+edited[1]); + resolve("/* LibreJS: Script acknowledged */\n"+edited[1]); } } }); @@ -1004,40 +1012,36 @@ function edit_html(html,url,tabid,wl){ // Don't bother, page is whitelisted resolve(html); } - - // A DOMParser object won't work because the HTML doesn't exist after the DOM is built. - // This makes it impossible to go from DOM back to HTML source without a lot of distortion. - // For the vast majority of cases, it should work to parse the DOM, extract Javascript source, - // and then replace the unedited source with the edited source using string.replace(). var parser = new DOMParser(); var html_doc = parser.parseFromString(html, "text/html"); var amt_scripts = 0; var total_scripts = 0; - var scripts = html_doc.scripts; + var scripts = html_doc.scripts; + for(var i = 0; i < scripts.length; i++){ if(scripts[i].src == ""){ total_scripts++; } } + console.log("Analyzing "+total_scripts+" inline scripts..."); + for(var i = 0; i < scripts.length; i++){ if(scripts[i].src == ""){ var edit_script = get_script(scripts[i].innerHTML,url,tabid,wl,i); edit_script.then(function(edited){ - //html_doc.scripts[edited[1]].setAttribute("type","application/json"); - console.log("%c ------ not remote (document.scripts["+edited[1]+"]) ------","color:white"); - console.log("%c"+edited[1]+":"+html_doc.scripts[edited[1]].innerHTML.substr(0,100),"color:gray"); - console.log("%c"+edited[1]+":"+edited[0].substr(0,100),"color:gray"); - //html_doc.scripts[edited[1]].insertAdjacentHTML("afterend",'<script type="text/javascript">'+edited[0]+"</script>"); - //html_doc.scripts[edited[1]].remove(); - if(html.indexOf(html_doc.scripts[edited[1]].outerHTML) == -1){ + var edited_source = edited[0].trim(); + var unedited_source = html_doc.scripts[edited[1]].innerHTML.trim(); + console.log("%c ------ not remote (document.scripts["+edited[1]+"]) ------","color:white"); + if(html.indexOf(unedited_source) == -1){ console.log("NOT in original source"); + debugger; }else{ console.log("Found in original source"); } - html = html.replace(html_doc.scripts[edited[1]].outerHTML,'<script type="text/javascript">'+edited[0]+"</script>"); + html = html.replace(unedited_source,edited_source); amt_scripts++; if(amt_scripts == total_scripts){ //resolve(html_doc.documentElement.innerHTML); @@ -1046,6 +1050,7 @@ function edit_html(html,url,tabid,wl){ }); } } + if(total_scripts == 0){ console.log("Nothing to analyze."); resolve(html); |