60 lines
1.8 KiB
C#
60 lines
1.8 KiB
C#
/*
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* Copyright (c) 2024 ETH Zürich, IT Services
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*/
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using System;
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using System.Net.Http;
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using SafeExamBrowser.Logging.Contracts;
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using SafeExamBrowser.Proctoring.ScreenProctoring.Data;
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using SafeExamBrowser.Proctoring.ScreenProctoring.Imaging;
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using SafeExamBrowser.Settings.Proctoring;
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namespace SafeExamBrowser.Proctoring.ScreenProctoring.Service.Requests
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{
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internal class ScreenShotRequest : Request
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{
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internal ScreenShotRequest(Api api, HttpClient httpClient, ILogger logger, Parser parser) : base(api, httpClient, logger, parser)
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{
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}
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internal bool TryExecute(MetaData metaData, ScreenShot screenShot, string sessionId, out int health, out string message)
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{
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var imageFormat = (Header.IMAGE_FORMAT, ToString(screenShot.Format));
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var metdataJson = (Header.METADATA, metaData.ToJson());
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var timestamp = (Header.TIMESTAMP, DateTime.Now.ToUnixTimestamp().ToString());
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var url = api.ScreenShotEndpoint.Replace(Api.SESSION_ID, sessionId);
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var success = TryExecute(HttpMethod.Post, url, out var response, screenShot.Data, ContentType.OCTET_STREAM, Authorization, imageFormat, metdataJson, timestamp);
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health = default;
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message = response.ToLogString();
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if (success)
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{
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parser.TryParseHealth(response, out health);
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}
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return success;
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}
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private string ToString(ImageFormat format)
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{
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switch (format)
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{
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case ImageFormat.Bmp:
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return "bmp";
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case ImageFormat.Gif:
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return "gif";
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case ImageFormat.Jpg:
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return "jpg";
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case ImageFormat.Png:
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return "png";
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default:
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throw new NotImplementedException($"Image format {format} is not yet implemented!");
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}
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}
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}
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}
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