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[security] prevent XSS markup viz (#3211)
* Prevent XSS in Markup viz We protect the browser by sandboxing the user code inside an iframe * Helvetica
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@ -32,22 +32,35 @@ app = Flask(__name__)
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app.config.from_object(CONFIG_MODULE)
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conf = app.config
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#################################################################
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# Handling manifest file logic at app start
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#################################################################
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MANIFEST_FILE = APP_DIR + '/static/assets/dist/manifest.json'
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get_manifest_file = lambda x: x
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manifest = {}
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try:
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with open(MANIFEST_FILE, 'r') as f:
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manifest = json.load(f)
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get_manifest_file = lambda x: '/static/assets/dist/' + manifest.get(x, '')
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except Exception:
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print("no manifest file found at " + MANIFEST_FILE)
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def parse_manifest_json():
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global manifest
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try:
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with open(MANIFEST_FILE, 'r') as f:
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manifest = json.load(f)
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except Exception:
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print("no manifest file found at " + MANIFEST_FILE)
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def get_manifest_file(filename):
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if app.debug:
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parse_manifest_json()
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return '/static/assets/dist/' + manifest.get(filename, '')
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parse_manifest_json()
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@app.context_processor
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def get_js_manifest():
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return dict(js_manifest=get_manifest_file)
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#################################################################
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for bp in conf.get('BLUEPRINTS'):
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try:
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@ -76,7 +76,7 @@ export default class TextAreaControl extends React.Component {
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modalTitle={controlHeader}
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triggerNode={
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<Button bsSize="small" className="m-t-5">
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Edit <b>{this.props.language}</b> in modal
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Edit <strong>{this.props.language}</strong> in modal
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</Button>
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}
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modalBody={this.renderEditor(true)}
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@ -41,7 +41,7 @@
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//
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//## Font, line-height, and color for body text, headings, and more.
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@font-family-sans-serif: "Roboto", "Helvetica Neue", Helvetica, Arial, sans-serif;
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@font-family-sans-serif: Helvetica, Arial;
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@font-family-serif: Georgia, "Times New Roman", Times, serif;
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//** Default monospace fonts for `<code>`, `<kbd>`, and `<pre>`.
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@ -1,9 +1,3 @@
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@font-face {
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font-family: "Roboto";
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src: url("./fonts/Roboto-Regular.woff2") format("woff2"),
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url("./fonts/Roboto-Regular.woff") format("woff");
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}
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body {
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margin: 0px !important;
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}
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@ -255,4 +249,8 @@ div.widget .slice_container {
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.panel .table-responsive{
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width: 98%;
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}
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}
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}
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iframe {
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border: none;
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width: 100%;
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}
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@ -4,11 +4,29 @@ require('./markup.css');
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function markupWidget(slice, payload) {
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$('#code').attr('rows', '15');
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slice.container.css({
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const jqdiv = slice.container;
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jqdiv.css({
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overflow: 'auto',
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height: slice.container.height(),
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});
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slice.container.html(payload.data.html);
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const iframeId = `if__${slice.containerId}`;
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const html = `
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<html>
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<head>
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<link rel="stylesheet" type="text/css" href="${payload.data.theme_css}" />
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</head>
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<body style="background-color: transparent;">
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${payload.data.html}
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</body>
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</html>`;
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jqdiv.html(`
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<iframe id="${iframeId}"
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frameborder="0"
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height="${slice.height()}"
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sandbox="allow-scripts">
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</iframe>`);
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$('#' + iframeId)[0].srcdoc = html;
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}
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module.exports = markupWidget;
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@ -28,7 +28,7 @@ import simplejson as json
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from six import string_types, PY3
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from dateutil import relativedelta as rdelta
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from superset import app, utils, cache
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from superset import app, utils, cache, get_manifest_file
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from superset.utils import DTTM_ALIAS
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config = app.config
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@ -439,7 +439,7 @@ class MarkupViz(BaseViz):
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code = self.form_data.get("code", '')
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if markup_type == "markdown":
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code = markdown(code)
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return dict(html=code)
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return dict(html=code, theme_css=get_manifest_file('theme.css'))
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class SeparatorViz(MarkupViz):
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