Convert basic HTML into DraftJS JSON format.
Project description
DraftJS Sanitizer
Sanitizes a DraftJS JSON format from a dict to allow saving. Allows safe dumping into a string in order to prevent injection of quotes and HTML entities.
Installation
pip install draftjs-sanitizer
Usage
Remove known exploits
This removes any URLs that could be used for XSS attacks by linking raw javascript code.
from draftjs_sanitizer import clean_draft_js
clean_draft_js({
"blocks": [
{
"key": "an6ci",
"data": {},
"text": "Get Saleor today!",
"type": "unstyled",
"depth": 0,
"entityRanges": [
{
"key": 0,
"length": 17,
"offset": 0
}
],
"inlineStyleRanges": []
}
],
"entityMap": {
"0": {
"data": {
"url": "javascript:alert('Oopsie!');"
},
"type": "LINK",
"mutability": "MUTABLE"
}
}
})
Dump JSON for HTML Usage
This allows to run it as a filter in order to prevent any injection or bypass when putting the JSON into HTML code.
from draftjs_sanitizer import to_string
dumped_json = to_string({"block": "</div><script>alert('Oopsie!');</script>"})
Example 1: attribute bypass
<div data-draft-js-json='{"block": "'<script>alert('Oopsie!');</script>"}'></div>
Example 2: bypass inner HTML
<div>
{"block": "</div><script>alert('Oopsie!');</script>"}
</div>
Supported Checks
Type | Entities | Description |
---|---|---|
Javascript URL | IMAGE , LINK |
Prevent injecting javascript through the javascript protocol into a URL. |
Invalid URL | IMAGE , LINK |
Removes any invalid URL from the JSON content. |
Dangerous Characters | any |
Removes any sensible character for HTML incorporation: " , ' , < , > . |
Development
./setup.py develop
pip install -r requirements_dev.txt
You can easily extend the behaviors through:
draftjs_sanitizer.encoder.DraftJSSafeEncoder
draftjs_sanitizer.sanitizer.DraftJSSanitizer
Dependencies
urllib3
for RFC 3986 parsing and validation of URLs.
Project details
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