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POAzure Rest API Delete Message from Queue returning 403 (working ok in others method)
 

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  1. POAzure Rest API Delete Message from Queue returning 403 (working ok in others method)
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    <p>I just code 4 methods for API REST, but the last I need is not working. This is deleting the message queue. I have this code:</p> <pre><code>public static string DeleteMessage(String queueName, string account, byte[] key, string endpoint, string popreceipt,string messageid) { string requestMethod = "DELETE"; String urlPath = String.Format("{0}/messages/{1}?popreceipt={2}", queueName,Uri.EscapeDataString(messageid),Uri.EscapeDataString(popreceipt)); String storageServiceVersion = "2009-09-19"; String dateInRfc1123Format = DateTime.UtcNow.ToString("R", CultureInfo.InvariantCulture); String canonicalizedHeaders = String.Format( "x-ms-date:{0}\nx-ms-version:{1}", dateInRfc1123Format, storageServiceVersion); String canonicalizedResource = String.Format("/{0}/{1}", account, urlPath); //String canonicalizedResource = String.Format("/{0}/{1}\npopreceipt:{2}", account, urlPath, popreceipt); String stringToSign = String.Format( "{0}\n\n\n\n\n\n\n\n\n\n\n\n{1}\n{2}", requestMethod, canonicalizedHeaders, canonicalizedResource); String authorizationHeader = CreateAuthorizationHeader(stringToSign, account, key); Uri uri = new Uri(endpoint + urlPath); HttpWebRequest request = (HttpWebRequest)WebRequest.Create(uri); request.Method = requestMethod; request.Headers.Add("x-ms-date", dateInRfc1123Format); request.Headers.Add("x-ms-version", storageServiceVersion); request.Headers.Add("Authorization", authorizationHeader); using (HttpWebResponse response = (HttpWebResponse)request.GetResponse()) { Stream dataStream = response.GetResponseStream(); return response.StatusCode.ToString(); } } public static string GetMessage(String queueName,string account, byte[] key,string endpoint) { string requestMethod = "GET"; String urlPath = String.Format("{0}/messages", queueName); String storageServiceVersion = "2009-09-19"; String dateInRfc1123Format = DateTime.UtcNow.ToString("R", CultureInfo.InvariantCulture); String canonicalizedHeaders = String.Format( "x-ms-date:{0}\nx-ms-version:{1}", dateInRfc1123Format, storageServiceVersion ); String canonicalizedResource = String.Format("/{0}/{1}", account, urlPath); String stringToSign = String.Format( "{0}\n\n\n\n\n\n\n\n\n\n\n\n{1}\n{2}", requestMethod, canonicalizedHeaders, canonicalizedResource); String authorizationHeader = CreateAuthorizationHeader(stringToSign,account,key); Uri uri = new Uri(endpoint + urlPath); HttpWebRequest request = (HttpWebRequest)WebRequest.Create(uri); request.Method = requestMethod; request.Headers.Add("x-ms-date", dateInRfc1123Format); request.Headers.Add("x-ms-version", storageServiceVersion ); request.Headers.Add("Authorization", authorizationHeader); request.Accept = "application/atom+xml,application/xml"; using (HttpWebResponse response = (HttpWebResponse)request.GetResponse()) { Stream dataStream = response.GetResponseStream(); using (StreamReader reader = new StreamReader(dataStream)) { String responseFromServer = reader.ReadToEnd(); return responseFromServer; } } } </code></pre> <p>GetMessage is just working and DeleteMessage is not working, the CreateAuthorithation Headers Code is :</p> <pre><code> private static String CreateAuthorizationHeader(String canonicalizedString, string account, byte[] key) { String signature = string.Empty; using (HMACSHA256 hmacSha256 = new HMACSHA256(key)) { Byte[] dataToHmac = System.Text.Encoding.UTF8.GetBytes(canonicalizedString); signature = Convert.ToBase64String(hmacSha256.ComputeHash(dataToHmac)); } String authorizationHeader = String.Format( CultureInfo.InvariantCulture, "{0} {1}:{2}", "SharedKey", account, signature); return authorizationHeader; } </code></pre> <p>I pass the KEY using "Convert.FromBase64String(AccountSharedKey)", that works for GetMessage (and also another method for put message), but this is not working for DELETING THE MESSAGE.</p> <p>I see the API in MSDN and DELETE and GET message use the same parameters, except the parameters passed by the query string.</p> <p>SOLVED</p> <p>The problem was that I din´t use UriEscape for the parameters in the Uri string, and sometimes the URL was valid and sometimes not.</p>
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