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issue 72 - added cryptographic authentication to analytics entries #91

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issue 72 - added cryptographic authentication to analytics entries #91

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34 changes: 27 additions & 7 deletions Sources/Server/Controllers/AnalyticsEntryController.swift
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Original file line number Diff line number Diff line change
Expand Up @@ -18,14 +18,34 @@ struct AnalyticsEntryController: RouteCollection {
}

private func read(_ request: Request) async throws -> AnalyticsEntry {
let entry = try await AnalyticsEntry.find(
request.parameters.get("id"),
on: request.db(.psql)
)
guard let entry else {
throw Abort(.notFound)

// decode retrieval request

let retrievalRequest = try request.query.decode(AnalyticsEntry.RetrievalRequest.self)

guard let idString = request.parameters.get("id"), let id = UUID(uuidString: idString) else {
throw Abort(.badRequest)
}

// cryptogrpahic verification
guard let data = id.uuidString.data(using: .utf8) else {
throw Abort(.internalServerError)
}

// crytographic signature
if try CryptographyUtilities.verify(signature: retrievalRequest.signature, of: data) {
let entry = try await AnalyticsEntry.find(
id,
on: request.db(.psql)
)
guard let entry else {
throw Abort(.notFound)
}
return entry
} else {
throw Abort(.forbidden)
}
return entry
}

}