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324 lines
14 KiB
C#
324 lines
14 KiB
C#
#region License Information (GPL v3)
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/*
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ShareX - A program that allows you to take screenshots and share any file type
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Copyright (c) 2007-2024 ShareX Team
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 2
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of the License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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Optionally you can also view the license at <http://www.gnu.org/licenses/>.
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*/
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#endregion License Information (GPL v3)
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using ShareX.HelpersLib;
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using ShareX.UploadersLib.Properties;
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using System;
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using System.Collections.Generic;
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using System.Collections.Specialized;
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using System.ComponentModel;
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using System.Drawing;
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using System.Globalization;
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using System.IO;
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using System.Linq;
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using System.Windows.Forms;
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namespace ShareX.UploadersLib.FileUploaders
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{
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public enum AmazonS3StorageClass
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{
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[Description("Amazon S3 Standard")]
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STANDARD,
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[Description("Amazon S3 Standard-Infrequent Access")]
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STANDARD_IA,
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[Description("Amazon S3 One Zone-Infrequent Access")]
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ONEZONE_IA,
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[Description("Amazon S3 Intelligent-Tiering")]
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INTELLIGENT_TIERING,
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//[Description("Amazon S3 Glacier")]
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//GLACIER,
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//[Description("Amazon S3 Glacier Deep Archive")]
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//DEEP_ARCHIVE
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}
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public class AmazonS3NewFileUploaderService : FileUploaderService
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{
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public override FileDestination EnumValue { get; } = FileDestination.AmazonS3;
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public override Icon ServiceIcon => Resources.AmazonS3;
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public override bool CheckConfig(UploadersConfig config)
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{
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return config.AmazonS3Settings != null && !string.IsNullOrEmpty(config.AmazonS3Settings.AccessKeyID) &&
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!string.IsNullOrEmpty(config.AmazonS3Settings.SecretAccessKey) && !string.IsNullOrEmpty(config.AmazonS3Settings.Endpoint) &&
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!string.IsNullOrEmpty(config.AmazonS3Settings.Bucket);
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}
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public override GenericUploader CreateUploader(UploadersConfig config, TaskReferenceHelper taskInfo)
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{
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return new AmazonS3(config.AmazonS3Settings);
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}
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public override TabPage GetUploadersConfigTabPage(UploadersConfigForm form) => form.tpAmazonS3;
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}
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public sealed class AmazonS3 : FileUploader
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{
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private const string DefaultRegion = "us-east-1";
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// http://docs.aws.amazon.com/general/latest/gr/rande.html#s3_region
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public static List<AmazonS3Endpoint> Endpoints { get; } = new List<AmazonS3Endpoint>()
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{
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new AmazonS3Endpoint("Asia Pacific (Hong Kong)", "s3.ap-east-1.amazonaws.com", "ap-east-1"),
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new AmazonS3Endpoint("Asia Pacific (Mumbai)", "s3.ap-south-1.amazonaws.com", "ap-south-1"),
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new AmazonS3Endpoint("Asia Pacific (Seoul)", "s3.ap-northeast-2.amazonaws.com", "ap-northeast-2"),
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new AmazonS3Endpoint("Asia Pacific (Singapore)", "s3.ap-southeast-1.amazonaws.com", "ap-southeast-1"),
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new AmazonS3Endpoint("Asia Pacific (Sydney)", "s3.ap-southeast-2.amazonaws.com", "ap-southeast-2"),
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new AmazonS3Endpoint("Asia Pacific (Tokyo)", "s3.ap-northeast-1.amazonaws.com", "ap-northeast-1"),
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new AmazonS3Endpoint("Canada (Central)", "s3.ca-central-1.amazonaws.com", "ca-central-1"),
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new AmazonS3Endpoint("China (Beijing)", "s3.cn-north-1.amazonaws.com.cn", "cn-north-1"),
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new AmazonS3Endpoint("China (Ningxia)", "s3.cn-northwest-1.amazonaws.com.cn", "cn-northwest-1"),
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new AmazonS3Endpoint("EU (Frankfurt)", "s3.eu-central-1.amazonaws.com", "eu-central-1"),
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new AmazonS3Endpoint("EU (Ireland)", "s3.eu-west-1.amazonaws.com", "eu-west-1"),
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new AmazonS3Endpoint("EU (London)", "s3.eu-west-2.amazonaws.com", "eu-west-2"),
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new AmazonS3Endpoint("EU (Paris)", "s3.eu-west-3.amazonaws.com", "eu-west-3"),
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new AmazonS3Endpoint("EU (Stockholm)", "s3.eu-north-1.amazonaws.com", "eu-north-1"),
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new AmazonS3Endpoint("Middle East (Bahrain)", "s3.me-south-1.amazonaws.com", "me-south-1"),
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new AmazonS3Endpoint("South America (São Paulo)", "s3.sa-east-1.amazonaws.com", "sa-east-1"),
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new AmazonS3Endpoint("US East (N. Virginia)", "s3.amazonaws.com", "us-east-1"),
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new AmazonS3Endpoint("US East (Ohio)", "s3.us-east-2.amazonaws.com", "us-east-2"),
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new AmazonS3Endpoint("US West (N. California)", "s3.us-west-1.amazonaws.com", "us-west-1"),
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new AmazonS3Endpoint("US West (Oregon)", "s3.us-west-2.amazonaws.com", "us-west-2"),
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new AmazonS3Endpoint("DreamObjects", "objects-us-east-1.dream.io"),
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new AmazonS3Endpoint("DigitalOcean (Amsterdam)", "ams3.digitaloceanspaces.com", "ams3"),
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new AmazonS3Endpoint("DigitalOcean (New York)", "nyc3.digitaloceanspaces.com", "nyc3"),
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new AmazonS3Endpoint("DigitalOcean (San Francisco)", "sfo2.digitaloceanspaces.com", "sfo2"),
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new AmazonS3Endpoint("DigitalOcean (Singapore)", "sgp1.digitaloceanspaces.com", "sgp1"),
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new AmazonS3Endpoint("Wasabi", "s3.wasabisys.com")
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};
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private AmazonS3Settings Settings { get; set; }
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public AmazonS3(AmazonS3Settings settings)
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{
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Settings = settings;
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}
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public override UploadResult Upload(Stream stream, string fileName)
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{
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bool isPathStyleRequest = Settings.UsePathStyle;
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if (!isPathStyleRequest && Settings.Bucket.Contains("."))
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{
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isPathStyleRequest = true;
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}
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string scheme = URLHelpers.GetPrefix(Settings.Endpoint);
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string endpoint = URLHelpers.RemovePrefixes(Settings.Endpoint);
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string host = isPathStyleRequest ? endpoint : $"{Settings.Bucket}.{endpoint}";
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string algorithm = "AWS4-HMAC-SHA256";
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string credentialDate = DateTime.UtcNow.ToString("yyyyMMdd", CultureInfo.InvariantCulture);
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string region = GetRegion();
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string scope = URLHelpers.CombineURL(credentialDate, region, "s3", "aws4_request");
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string credential = URLHelpers.CombineURL(Settings.AccessKeyID, scope);
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string timeStamp = DateTime.UtcNow.ToString("yyyyMMddTHHmmssZ", CultureInfo.InvariantCulture);
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string contentType = MimeTypes.GetMimeTypeFromFileName(fileName);
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string hashedPayload;
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if (Settings.SignedPayload)
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{
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hashedPayload = Helpers.BytesToHex(Helpers.ComputeSHA256(stream));
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}
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else
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{
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hashedPayload = "UNSIGNED-PAYLOAD";
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}
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string uploadPath = GetUploadPath(fileName);
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string resultURL = GenerateURL(uploadPath);
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OnEarlyURLCopyRequested(resultURL);
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NameValueCollection headers = new NameValueCollection
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{
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["Host"] = host,
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["Content-Length"] = stream.Length.ToString(),
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["Content-Type"] = contentType,
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["x-amz-date"] = timeStamp,
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["x-amz-content-sha256"] = hashedPayload,
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// If you don't specify, S3 Standard is the default storage class. Amazon S3 supports other storage classes.
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// Valid Values: STANDARD | REDUCED_REDUNDANCY | STANDARD_IA | ONEZONE_IA | INTELLIGENT_TIERING | GLACIER | DEEP_ARCHIVE
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// https://docs.aws.amazon.com/AmazonS3/latest/API/API_PutObject.html
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["x-amz-storage-class"] = Settings.StorageClass.ToString()
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};
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if (Settings.SetPublicACL)
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{
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// The canned ACL to apply to the object. For more information, see Canned ACL.
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// https://docs.aws.amazon.com/AmazonS3/latest/dev/acl-overview.html#canned-acl
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headers["x-amz-acl"] = "public-read";
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}
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string canonicalURI = uploadPath;
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if (isPathStyleRequest) canonicalURI = URLHelpers.CombineURL(Settings.Bucket, canonicalURI);
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canonicalURI = URLHelpers.AddSlash(canonicalURI, SlashType.Prefix);
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canonicalURI = URLHelpers.URLEncode(canonicalURI, true);
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string canonicalQueryString = "";
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string canonicalHeaders = CreateCanonicalHeaders(headers);
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string signedHeaders = GetSignedHeaders(headers);
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string canonicalRequest = "PUT" + "\n" +
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canonicalURI + "\n" +
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canonicalQueryString + "\n" +
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canonicalHeaders + "\n" +
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signedHeaders + "\n" +
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hashedPayload;
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string stringToSign = algorithm + "\n" +
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timeStamp + "\n" +
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scope + "\n" +
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Helpers.BytesToHex(Helpers.ComputeSHA256(canonicalRequest));
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byte[] dateKey = Helpers.ComputeHMACSHA256(credentialDate, "AWS4" + Settings.SecretAccessKey);
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byte[] dateRegionKey = Helpers.ComputeHMACSHA256(region, dateKey);
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byte[] dateRegionServiceKey = Helpers.ComputeHMACSHA256("s3", dateRegionKey);
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byte[] signingKey = Helpers.ComputeHMACSHA256("aws4_request", dateRegionServiceKey);
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string signature = Helpers.BytesToHex(Helpers.ComputeHMACSHA256(stringToSign, signingKey));
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headers["Authorization"] = algorithm + " " +
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"Credential=" + credential + "," +
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"SignedHeaders=" + signedHeaders + "," +
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"Signature=" + signature;
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headers.Remove("Host");
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headers.Remove("Content-Type");
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string url = URLHelpers.CombineURL(scheme + host, canonicalURI);
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url = URLHelpers.FixPrefix(url);
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SendRequest(HttpMethod.PUT, url, stream, contentType, null, headers);
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if (LastResponseInfo != null && LastResponseInfo.IsSuccess)
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{
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return new UploadResult
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{
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IsSuccess = true,
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URL = resultURL
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};
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}
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Errors.Add("Upload to Amazon S3 failed.");
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return null;
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}
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private string GetRegion()
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{
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if (!string.IsNullOrEmpty(Settings.Region))
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{
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return Settings.Region;
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}
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string url = Settings.Endpoint;
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int delimIndex = url.IndexOf("//", StringComparison.Ordinal);
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if (delimIndex >= 0)
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{
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url = url.Substring(delimIndex + 2);
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}
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if (url.EndsWith("/", StringComparison.Ordinal))
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{
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url = url.Substring(0, url.Length - 1);
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}
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int awsIndex = url.IndexOf(".amazonaws.com", StringComparison.Ordinal);
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if (awsIndex < 0)
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{
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return DefaultRegion;
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}
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string serviceAndRegion = url.Substring(0, awsIndex);
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if (serviceAndRegion.StartsWith("s3-", StringComparison.Ordinal))
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{
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serviceAndRegion = "s3." + serviceAndRegion.Substring(3);
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}
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int separatorIndex = serviceAndRegion.LastIndexOf('.');
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if (separatorIndex == -1)
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{
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return DefaultRegion;
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}
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return serviceAndRegion.Substring(separatorIndex + 1);
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}
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private string GetUploadPath(string fileName)
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{
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string path = NameParser.Parse(NameParserType.FilePath, Settings.ObjectPrefix.Trim('/'));
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if ((Settings.RemoveExtensionImage && FileHelpers.IsImageFile(fileName)) ||
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(Settings.RemoveExtensionText && FileHelpers.IsTextFile(fileName)) ||
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(Settings.RemoveExtensionVideo && FileHelpers.IsVideoFile(fileName)))
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{
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fileName = Path.GetFileNameWithoutExtension(fileName);
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}
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return URLHelpers.CombineURL(path, fileName);
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}
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public string GenerateURL(string uploadPath)
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{
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if (!string.IsNullOrEmpty(Settings.Endpoint) && !string.IsNullOrEmpty(Settings.Bucket))
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{
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uploadPath = URLHelpers.URLEncode(uploadPath, true, HelpersOptions.URLEncodeIgnoreEmoji);
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string url;
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if (Settings.UseCustomCNAME && !string.IsNullOrEmpty(Settings.CustomDomain))
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{
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ShareXCustomUploaderSyntaxParser parser = new ShareXCustomUploaderSyntaxParser();
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string parsedDomain = parser.Parse(Settings.CustomDomain);
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url = URLHelpers.CombineURL(parsedDomain, uploadPath);
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}
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else
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{
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url = URLHelpers.CombineURL(Settings.Endpoint, Settings.Bucket, uploadPath);
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}
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return URLHelpers.FixPrefix(url);
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}
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return "";
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}
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public string GetPreviewURL()
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{
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string uploadPath = GetUploadPath("example.png");
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return GenerateURL(uploadPath);
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}
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private string CreateCanonicalHeaders(NameValueCollection headers)
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{
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return headers.AllKeys.OrderBy(key => key).Select(key => key.ToLowerInvariant() + ":" + headers[key].Trim() + "\n").
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Aggregate((result, next) => result + next);
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}
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private string GetSignedHeaders(NameValueCollection headers)
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{
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return string.Join(";", headers.AllKeys.OrderBy(key => key).Select(key => key.ToLowerInvariant()));
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}
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}
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} |