William Casarin
55 lines
1.5 KiB
Swift
55 lines
1.5 KiB
Swift
//
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// NIP98AuthenticatedRequest.swift
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// damus
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//
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// Created by Daniel D’Aquino on 2023-12-15.
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//
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import Foundation
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enum HTTPMethod: String {
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case get = "GET"
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case post = "POST"
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case put = "PUT"
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case delete = "DELETE"
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}
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enum HTTPPayloadType: String {
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case json = "application/json"
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case binary = "application/octet-stream"
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}
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func make_nip98_authenticated_request(method: HTTPMethod, url: URL, payload: Data?, payload_type: HTTPPayloadType?, auth_keypair: Keypair) async throws -> (data: Data, response: URLResponse) {
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var request = URLRequest(url: url)
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request.httpMethod = method.rawValue
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request.httpBody = payload
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var tag_pairs = [
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["u", url.absoluteString],
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["method", method.rawValue],
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]
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if let payload {
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let payload_hash = sha256(payload)
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let payload_hash_hex = hex_encode(payload_hash)
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tag_pairs.append(["payload", payload_hash_hex])
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}
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let auth_note = NdbNote(
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content: "",
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keypair: auth_keypair,
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kind: 27235,
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tags: tag_pairs,
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createdAt: UInt32(Date().timeIntervalSince1970)
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)
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let auth_note_json_data: Data = try encode_json_data(auth_note)
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let auth_note_base64: String = base64_encode(auth_note_json_data.bytes)
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request.setValue("Nostr " + auth_note_base64, forHTTPHeaderField: "Authorization")
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if let payload_type {
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request.setValue(payload_type.rawValue, forHTTPHeaderField: "Content-Type")
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}
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return try await URLSession.shared.data(for: request)
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}
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