Salutations fellow gophers.
I need to return data matrix in base64 form in an html template.
In template it looks like this.
<img src="data:image/png;base64,{{.Datamatrix}}" alt="Datamatrix"/>
I insert my base64 data in .Datamatrix. And all is fine. Base64 is valid and all(checked on different decoders), however when I pass the data to template +(plus) symbols change to +
Encoding base64 like so:
base64.StdEncoding.EncodeToString(b)
Tried base64.URLEncoding.EncodeToString(b) too, but then even more symbols get messed up.
Passing param as structure field of type string
Tried passing it different ways: as type template.HTML, used template.HTMLEscapeString, template.URLEscapeString, template.JSEscapeString with no result.
Working solution to this problem would be highly appreciated.
Example https://go.dev/play/p/c_s-wPl6dMT
Related issue on github: https://github.com/golang/go/issues/42506
P>S> Changing to text/template is not an option either. In real project I have some more things, that I inject in template, and they simply won't work with text/template lib.
Surprisingly enough text/template solved all issues. And didn't cause any new problems with other injections.