Fix security breach.

This commit is contained in:
Pierre HUBERT 2018-12-08 19:03:53 +01:00
parent 089739e141
commit c2eba7b3be
2 changed files with 24 additions and 1 deletions

View File

@ -592,4 +592,27 @@ function dataURItoBlob(dataURI){
return new Blob([ia], {type: mimeString});
}
/**
* Satinize some HTML source code by removing all javascript event detectors
* from it
*
* @param {string} html The source code to update
* @return {string} Secured html
*/
function removeJavascriptEventsFromHTML(html){
//Check if the string to check is null (we will consider
//at safe in this case)
if(html == null)
return html;
//Search for unexceptable references
while(html.match(/on[a-zA-Z ]+=/i) != null){
let match = html.match(/on[a-zA-Z ]+=/i)[0];
html = html.replace(match, match.replace("on", "o<block></block>n"))
}
return html;
}

View File

@ -826,7 +826,7 @@ ComunicWeb.components.posts.ui = {
appendTo: postRoot,
type: "div",
class: "post_content",
innerHTML: info.content
innerHTML: removeJavascriptEventsFromHTML(info.content)
});
//Parse emojies