William
d94054dd1a
- 项目从 SPM (Sources/VODManager/) 迁移到 Xcode 构建系统 (VODManager.xcodeproj) - 源码目录从 Sources/VODManager/ 迁移至 VODManager/VODManager/ - 用 Localizable.xcstrings 替代旧的 .lproj/Localizable.strings 文件 - 删除已废弃的 apps/web、apps/server、docker 目录及相关文档 - RTL 侧边栏修复：切语言时用 .id() 强制重建 NavigationSplitView - 视频库无账号时不发起 API 请求和重试 - 无账号时显示 ContentUnavailableView 提示
59 lines
1.8 KiB
Swift
59 lines
1.8 KiB
Swift
import Foundation
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import CryptoKit
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enum VODSignatureError: Error {
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case invalidKey
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case encodingFailed
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}
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struct VODSignature {
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static func sign(
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method: String = "GET",
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parameters: [String: String],
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accessKeySecret: String
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) throws -> String {
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var params = parameters
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params["SignatureMethod"] = "HMAC-SHA1"
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params["SignatureVersion"] = "1.0"
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let sortedKeys = params.keys.sorted()
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let canonicalQuery = sortedKeys
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.compactMap { key -> String? in
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guard let value = params[key] else { return nil }
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return "\(percentEncode(key))=\(percentEncode(value))"
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}
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.joined(separator: "&")
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let stringToSign = "\(method)&%2F&\(percentEncode(canonicalQuery))"
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guard let keyData = "\(accessKeySecret)&".data(using: .utf8) else {
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throw VODSignatureError.invalidKey
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}
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guard let messageData = stringToSign.data(using: .utf8) else {
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throw VODSignatureError.encodingFailed
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}
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let key = SymmetricKey(data: keyData)
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let signature = HMAC<Insecure.SHA1>.authenticationCode(for: messageData, using: key)
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let signatureData = Data(signature)
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return signatureData.base64EncodedString()
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}
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static func percentEncodePublic(_ value: String) -> String {
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percentEncode(value)
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}
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private static func percentEncode(_ value: String) -> String {
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let allowed = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789-_.~"
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var result = ""
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for char in value.utf8 {
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if allowed.utf8.contains(char) {
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result.append(Character(UnicodeScalar(char)))
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} else {
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result.append(String(format: "%%%02X", char))
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}
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}
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return result
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}
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}
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