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Add viewer privilage #274

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rohith1222004
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I've made an update to our whiteboard application that adds a new "viewer" permission to the JWT payload. This update will allow us to restrict users to only viewing the whiteboard, without giving them editing capabilities.

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@lovasoa lovasoa left a comment

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Thank you for opening a PR !

However, it looks like the new implementation does not actually prevent the user from sending write commands to the socket.io handler. Users can actually write to the board even with a simple viewer token, the menu is just hidden in the ui

index.py Outdated
Comment on lines 1 to 11
# encode.py
import datetime
import jwt # import jwt library
SECRET_KEY = "test123"
# json data to encode
json_data = {
"roles": ["moderator:firstboard","viewer:hboard"]
}
encode_data = jwt.encode(payload=json_data, \
key=SECRET_KEY, algorithm="HS256")
print(encode_data)
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Suggested change
# encode.py
import datetime
import jwt # import jwt library
SECRET_KEY = "test123"
# json data to encode
json_data = {
"roles": ["moderator:firstboard","viewer:hboard"]
}
encode_data = jwt.encode(payload=json_data, \
key=SECRET_KEY, algorithm="HS256")
print(encode_data)

We probably don't want to create a python script here

package.json Outdated
@@ -14,7 +14,7 @@
"jsonwebtoken": "^8.5.1",
"polyfill-library": "^3.107.1",
"serve-static": "^1.14.1",
"socket.io": "^4",
"socket.io": "^4.6.1",
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This does not seem to be linked to the current PR. You can open a distinct pr to update dependencies

class BoardTemplate extends Template {
parameters(parsedUrl, request, isModerator) {
const params = super.parameters(parsedUrl, request, isModerator);
const parts = parsedUrl.pathname.split("boards/", 2);
console.log(parts[1]);
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Suggested change
console.log(parts[1]);

if (userRole === "viewer") {
params["hideMenu"] = true;
} else {
params["hideMenu"] = false;
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Suggested change
params["hideMenu"] = false;
params["hideMenu"] = false;

you don't want to override that. keep the value from the query

@lovasoa lovasoa marked this pull request as draft April 26, 2023 07:46
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lovasoa commented Apr 26, 2023

I've converted the PR to a draft, feel free to pass it back to "ready for review" when you want me to look at it again

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2 participants