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31 lines
1.1 KiB
Swift
31 lines
1.1 KiB
Swift
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//
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// CovidRequestInterceptor.swift
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// CovidSafe
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//
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// Copyright © 2020 Australian Government. All rights reserved.
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//
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import Foundation
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import Alamofire
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final class CovidRequestRetrier: Alamofire.RequestInterceptor {
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private let numRetries: Int
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private var retriesExecuted: Int = 0
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init(retries: Int) {
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self.numRetries = retries
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}
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func retry(_ request: Request, for session: Session, dueTo error: Error, completion: @escaping (RetryResult) -> Void) {
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guard let response = request.task?.response as? HTTPURLResponse, response.statusCode == 403 else {
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/// The request did not fail due to a 403 Forbidden response.
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let isServerTrustEvaluationError = error.asAFError?.isServerTrustEvaluationError ?? false
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if ( retriesExecuted >= numRetries || isServerTrustEvaluationError) {
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return completion(.doNotRetryWithError(error))
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}
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retriesExecuted += 1
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return completion(.retryWithDelay(1.0))
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}
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return completion(.doNotRetryWithError(error))
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}
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}
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