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feat: add logging HTTP requests and responses (#52)
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,71 @@ | ||
| // | ||
| // Created by Jakub Bednář on 13.07.2022. | ||
| // | ||
|
|
||
| import Foundation | ||
| #if canImport(FoundationNetworking) | ||
| import FoundationNetworking | ||
| #endif | ||
| import Logging | ||
|
|
||
| extension InfluxDBClient { | ||
| /// The logger for logging HTTP request/response. | ||
| public class HTTPLogger { | ||
| fileprivate var logger: Logger { | ||
| var logger = Logger(label: "http-logger") | ||
| logger.logLevel = .debug | ||
| return logger | ||
| } | ||
| /// Enable debugging for HTTP request/response. | ||
| internal let debugging: Bool | ||
|
|
||
| /// Create a new HTTPLogger. | ||
| /// | ||
| /// - Parameters: | ||
| /// - debugging: optional Enable debugging for HTTP request/response. Default `false`. | ||
| public init(debugging: Bool? = nil) { | ||
| self.debugging = debugging ?? false | ||
| } | ||
|
|
||
| /// Log the HTTP request. | ||
| /// | ||
| /// - Parameter request: to log | ||
| public func log(_ request: URLRequest?) { | ||
| if debugging { | ||
| logger.debug(">>> Request: '\(request?.httpMethod ?? "") \(request?.url?.absoluteString ?? "")'") | ||
| log_headers(headers: request?.allHTTPHeaderFields, prefix: ">>>") | ||
| log_body(body: request?.httpBody, prefix: ">>>") | ||
| } | ||
| } | ||
|
|
||
| /// Log the HTTP response. | ||
| /// | ||
| /// - Parameters: | ||
| /// - response: to log | ||
| /// - data: response data | ||
| public func log(_ response: URLResponse?, _ data: Data?) { | ||
| if debugging { | ||
| let httpResponse = response as? HTTPURLResponse | ||
| logger.debug("<<< Response: \(httpResponse?.statusCode ?? 0)") | ||
| log_headers(headers: httpResponse?.allHeaderFields, prefix: "<<<") | ||
| log_body(body: data, prefix: "<<<") | ||
| } | ||
| } | ||
|
|
||
| func log_body(body: Data?, prefix: String) { | ||
| if let body = body { | ||
| logger.debug("\(prefix) Body: \(String(decoding: body, as: UTF8.self))") | ||
| } | ||
| } | ||
|
|
||
| func log_headers(headers: [AnyHashable: Any]?, prefix: String) { | ||
| headers?.forEach { key, value in | ||
| var sanitized = value | ||
| if "authorization" == String(describing: key).lowercased() { | ||
| sanitized = "***" | ||
| } | ||
| logger.debug("\(prefix) \(key): \(sanitized)") | ||
| } | ||
| } | ||
| } | ||
| } |
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