🏡 index : github.com/captn3m0/epicqr.git

6219288a0a9eea584f66cd4f1c81f62e1dc692f7 [patch]

056365f3740ee45a2b18187f01065395af02cc31

4337e0e316757fbd3f800051ecb222061a6f130b

6219288a0a9eea584f66cd4f1c81f62e1dc692f7.tar.gz

WIP

Diff

 .gitignore                          |  3 ++-
 Package.resolved                    | 14 ++++++++++++++
 Package.swift                       | 27 +++++++++++++++++++++++++++
 Sources/EpicQR/EpicQR.swift         | 41 +++++++++++++++++++++++++++++++++++++++++
 Tests/EpicQRTests/EpicQRTests.swift | 10 ++++++++++
 5 files changed, 94 insertions(+), 1 deletion(-)

diff --git a/.gitignore b/.gitignore
index 25a4539..2a0268f 100644
--- a/.gitignore
+++ a/.gitignore
@@ -1,5 +1,6 @@
haxe-build.zip
build/

*.jar
*.class
*.class
.build
diff --git a/Package.resolved b/Package.resolved
new file mode 100644
index 0000000..fe33793 100644
--- /dev/null
+++ a/Package.resolved
@@ -1,0 +1,14 @@
{
  "pins" : [
    {
      "identity" : "swift-crypto",
      "kind" : "remoteSourceControl",
      "location" : "https://github.com/apple/swift-crypto.git",
      "state" : {
        "revision" : "b51f1d6845b353a2121de1c6a670738ec33561a6",
        "version" : "3.1.0"
      }
    }
  ],
  "version" : 2
}
diff --git a/Package.swift b/Package.swift
new file mode 100644
index 0000000..dc80234 100644
--- /dev/null
+++ a/Package.swift
@@ -1,0 +1,27 @@
// swift-tools-version: 5.9

import PackageDescription

let package = Package(
    name: "EpicQR",
    products: [
        .library(
            name: "EpicQR",
            targets: ["EpicQR"]),
    ],
    dependencies: [
        .package(url: "https://github.com/apple/swift-crypto.git",  from:"3.1.0")
    ],
    targets: [
        .target(
            name: "EpicQR",
            dependencies: [
                .product(name: "Crypto", package: "swift-crypto"),
                .product(name: "_CryptoExtras", package: "swift-crypto"),
            ]
        ),
        .testTarget(
            name: "EpicQRTests",
            dependencies: ["EpicQR"]),
    ]
)
diff --git a/Sources/EpicQR/EpicQR.swift b/Sources/EpicQR/EpicQR.swift
new file mode 100644
index 0000000..ac65e10 100644
--- /dev/null
+++ a/Sources/EpicQR/EpicQR.swift
@@ -1,0 +1,41 @@
import Foundation
import Crypto
import _CryptoExtras

let IV : String  = "H76$suq23_po(8sD";
let KEY : String = "X_4k$uq23FSwI.qT";

struct EpicResult: Decodable {
    let epic_no: String
    let unique_generation_id: Int
}

class EpicQR {
    var epic : String
    var id : Int

    init(qr: String){
      let jsonString = try! decode(qr).data(using: .utf8)!
      let er:EpicResult = try! JSONDecoder().decode(EpicResult.self, from: jsonString)
      self.epic = er.epic_no
      self.id = er.unique_generation_id
    }

    private func decode(_ qrString: String) throws -> String {
      guard let decodedData = Data(base64Encoded: qrString) else {
          throw DecodeError()
      }
      let ct = [UInt8](decodedData)
      let iv = try AES._CBC.IV(ivBytes: [UInt8](IV.utf8))

      let decodedText =  try AES._CBC.decrypt(ct, 
        using: .init(data: [UInt8](KEY.utf8)), 
        iv: iv
      )
      return String(decoding: decodedText, as: UTF8.self)
  }
}

private struct DecodeError: Error {

}
diff --git a/Tests/EpicQRTests/EpicQRTests.swift b/Tests/EpicQRTests/EpicQRTests.swift
new file mode 100644
index 0000000..7a2d791 100644
--- /dev/null
+++ a/Tests/EpicQRTests/EpicQRTests.swift
@@ -1,0 +1,10 @@
import XCTest
@testable import EpicQR

final class EpicQRTests: XCTestCase {
    func testExample() throws {
        let result = try EpicQR.decode("dbhvecY6Roa4NF3gAzEbkTibZZzXAEYpMg8197BQWMS2+ID24FGDKWB5IEcuxjsA81ChprhSO3EsjKMRDbBWLg==")
        XCTAssertEqual(result.epic, "ABC1234566")
        XCTAssertEqual(result.id, 1234)
    }
}