If I dynamically insert a form object into a page, submit and remove the form and it works fine.
Here is an example of the form code:
<form target="_blank" enctype="multipart/form-data"
action="https://www.example.com/" method="POST">
<input value="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAUAAAAFCAYAAACNbyblAAAAHElEQVQI12P4//8/w38GIAXDIBKE0DHxgljNBAAO9TXL0Y4OHwAAAABJRU5ErkJggg==" name="image_content" type="hidden">
<input value="" name="filename" type="hidden">
<input value="" name="image_url" type="hidden">
</form>
When I try to do the same process with loadOneTab()
, result POST
is not exactly the same and therefore the result is not the same as above.
On checking the headers, "some value" is not sent fully (gets cropped) and it sets Content-Length: 0
.
I must be missing something.
let postStream = Components.classes['@mozilla.org/network/mime-input-stream;1']
.createInstance(Components.interfaces.nsIMIMEInputStream);
postStream.addHeader('Content-Type', 'multipart/form-data');
postStream.addHeader('filename', '');
postStream.addHeader('image_url', '');
postStream.addHeader('image_content', 'data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAUAAAAFCAYAAACNbyblAAAAHElEQVQI12P4//8/w38GIAXDIBKE0DHxgljNBAAO9TXL0Y4OHwAAAABJRU5ErkJggg==');
postStream.addContentLength = true;
window.gBrowser.loadOneTab('https://www.example.com/',
{inBackground: false, postData: postStream});
Note: image_content value is 'data:image/png;base64' Data URI
NoScript causes issues with sending form and XSS and I prefer to use loadOneTab
for the inBackground