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Add validation to blocklists, test that adding doesn't break stuff #40

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merged 2 commits into from
Feb 9, 2024

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RangerMauve
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Related to #37 where there's an error being swallowed and leading to unexpected behavior.

@catdevnull
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where are blocklists from? is it possible they may include # comments or empty lines or spaces before and after a username?

src/server/api/blockallowlist.ts Outdated Show resolved Hide resolved
@@ -45,7 +58,8 @@ export const blockAllowListRoutes = (cfg: APIConfig, store: Store, apsystem: Act
return await reply.code(403).send('Not Allowed')
}

const accounts = request.body.split('\n')
const accounts = request.body.trim().split('\n')
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maybe .map(x => x.trim()) after the split? also remove empty lines

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I think empty lines should be an error.

src/server/api/blockallowlist.ts Show resolved Hide resolved
@fauno
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fauno commented Feb 9, 2024

where are blocklists from? is it possible they may include # comments or empty lines or spaces before and after a username?

the api client sends accounts separated by newlines to the endpoint. on the ruby client the method takes an array and concatenates items with a newline

@RangerMauve
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Yeah I'd like to avoid adding any fancy syntax like comments or empty lines and stick to valid user input. I added trim to account for newlines at the end messing stuff up since it'd be a likely error when importing a file.

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closes #37

import Store from '../store/index.js'
import ActivityPubSystem from '../apsystem.js'

export function validateBlocklistFormat (mention: string): void {
const sections = mention.split('@')
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const isInstanceBlock = sections[1] === '*' && sections[0] === '' && sections[2] !== '';

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I don't think we need to explicitly handle this case since it's already handled by the other checks.

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I'm ok with this even if each item isn't trimmed

@RangerMauve RangerMauve merged commit 893a428 into main Feb 9, 2024
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4 participants