103 lines
4.1 KiB
C#
103 lines
4.1 KiB
C#
using System;
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using System.Net.Http;
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using System.Text.RegularExpressions;
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using System.Threading.Tasks;
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using Duplicati.Library.Utility;
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using Newtonsoft.Json;
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namespace Duplicati.Library.Backend.MicrosoftGraph
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{
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public class MicrosoftGraphException : Exception
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{
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private static readonly Regex authorizationHeaderRemover = new Regex(@"Authorization:\s*Bearer\s+[A-Za-z0-9+/=]+", RegexOptions.IgnoreCase);
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public MicrosoftGraphException(HttpResponseMessage response)
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: this(string.Format("{0}: {1} error from request {2}", response.StatusCode, response.ReasonPhrase, response.RequestMessage.RequestUri), response)
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{
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}
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public MicrosoftGraphException(string message, HttpResponseMessage response)
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: this(message, response, null)
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{
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}
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public MicrosoftGraphException(string message, HttpResponseMessage response, Exception innerException)
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: base(BuildFullMessage(message, response), innerException)
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{
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this.Response = response;
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}
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public string RequestUrl => this.Response.RequestMessage.RequestUri.ToString();
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public HttpResponseMessage Response { get; private set; }
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protected static string ResponseToString(HttpResponseMessage response)
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{
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if (response != null)
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{
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// Start to read the content
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Task<string> content = response.Content.ReadAsStringAsync();
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// Since the exception message may be saved / sent in logs, we want to prevent the authorization header from being included.
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// it wouldn't be as bad as recording the username/password in logs, since the token will expire, but it doesn't hurt to be safe.
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// So we replace anything in the request that looks like the auth header with a safe version.
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string requestMessage = authorizationHeaderRemover.Replace(response.RequestMessage.ToString(), "Authorization: Bearer ABC...XYZ");
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return string.Format("{0}\n{1}\n{2}", requestMessage, response, JsonConvert.SerializeObject(JsonConvert.DeserializeObject(content.Await()), Formatting.Indented));
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}
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else
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{
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return null;
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}
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}
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private static string BuildFullMessage(string message, HttpResponseMessage response)
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{
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if (response != null)
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{
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return string.Format("{0}\n{1}", message, ResponseToString(response));
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}
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else
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{
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return message;
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}
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}
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}
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public class DriveItemNotFoundException : MicrosoftGraphException
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{
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public DriveItemNotFoundException(HttpResponseMessage response)
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: base(string.Format("Item at {0} was not found", response?.RequestMessage?.RequestUri?.ToString() ?? "<unknown>"), response)
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{
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}
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}
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public class UploadSessionException : MicrosoftGraphException
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{
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public UploadSessionException(
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HttpResponseMessage originalResponse,
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int fragment,
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int fragmentCount,
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MicrosoftGraphException fragmentException)
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: base(
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string.Format("Error uploading fragment {0} of {1} for {2}", fragment, fragmentCount, originalResponse?.RequestMessage?.RequestUri?.ToString() ?? "<unknown>"),
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originalResponse,
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fragmentException)
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{
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this.Fragment = fragment;
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this.FragmentCount = fragmentCount;
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this.InnerException = fragmentException;
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}
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public string CreateSessionRequestUrl => this.RequestUrl;
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public HttpResponseMessage CreateSessionResponse => this.Response;
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public int Fragment { get; private set; }
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public int FragmentCount { get; private set; }
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public string FragmentRequestUrl => this.InnerException.RequestUrl;
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public HttpResponseMessage FragmentResponse => this.InnerException.Response;
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public new MicrosoftGraphException InnerException { get; private set; }
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}
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}
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