C# FileInfo.Open的代码示例

通过代码示例来学习C# FileInfo.Open方法

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FileInfo.Open是C#的System.IO命名空间下中的一个方法, 小编为大家找了一些网络大拿们常见的代码示例,源码中的FileInfo.Open() 已经帮大家高亮显示了,大家可以重点学习FileInfo.Open() 方法的写法,从而快速掌握该方法的应用。

FileInfo.Open的代码示例1 - ServiceLogContainsUpgradeMessaging()

    using System.IO;

        private bool ServiceLogContainsUpgradeMessaging()
        {
            // This test checks for the upgrade timer start message in the Service log
            // file. GVFS.Service should schedule the timer as it starts.
            string expectedTimerMessage = "Checking for product upgrades. (Start)";
            string serviceLogFolder = Path.Combine(
                Environment.GetFolderPath(Environment.SpecialFolder.CommonApplicationData),
                "GVFS",
                GVFSServiceProcess.TestServiceName,
                "Logs");
            DirectoryInfo logsDirectory = new DirectoryInfo(serviceLogFolder);
            FileInfo logFile = logsDirectory.GetFiles()
                .OrderByDescending(f => f.LastWriteTime)
                .FirstOrDefault();

            if (logFile != null)
            {
                using (StreamReader fileStream = new StreamReader(File.Open(logFile.FullName, FileMode.Open, FileAccess.Read, FileShare.ReadWrite)))
                {
                    string nextLine = null;
                    while ((nextLine = fileStream.ReadLine()) != null)
                    {
                        if (nextLine.Contains(expectedTimerMessage))
                        {
                            return true;
                        }
                    }
                }
            }

            return false;
        }
    

开发者ID:microsoft,项目名称:VFSForGit,代码行数:34,代码来源:GVFSUpgradeReminderTests.cs

在ServiceLogContainsUpgradeMessaging()方法中,FileInfo的代码示例类中的Open的代码示例方法一共出现了2次, 见黄色背景高亮显示的地方,欢迎大家点赞

FileInfo.Open的代码示例2 - GitRequestsReplacementForTruncatedObject()

    using System.IO;

        [TestCase]
        public void GitRequestsReplacementForTruncatedObject()
        {
            Action truncateObject = (string objectPath) =>
            {
                FileInfo objectFileInfo = new FileInfo(objectPath);
                using (FileStream objectStream = new FileStream(objectPath, FileMode.Open))
                {
                    objectStream.SetLength(objectFileInfo.Length - 8);
                }
            };

            this.RunGitDiffWithCorruptObject(truncateObject);

            // TODO 1114508: Update git cat-file to request object from GVFS when it finds a truncated object on disk.
            ////this.RunGitCatFileWithCorruptObject(truncateObject);

            this.RunGitResetHardWithCorruptObject(truncateObject);
            this.RunGitCheckoutOnFileWithCorruptObject(truncateObject);
        }
    

开发者ID:microsoft,项目名称:VFSForGit,代码行数:22,代码来源:GitCorruptObjectTests.cs

在GitRequestsReplacementForTruncatedObject()方法中,FileInfo的代码示例类中的Open的代码示例方法一共出现了1次, 见黄色背景高亮显示的地方,欢迎大家点赞

FileInfo.Open的代码示例3 - TruncatedObjectRedownloaded()

    using System.IO;

        [TestCase, Order(17)]
        public void TruncatedObjectRedownloaded()
        {
            GitProcess.InvokeProcess(this.Enlistment.RepoRoot, "checkout " + this.Enlistment.Commitish);
            ProcessResult revParseResult = GitProcess.InvokeProcess(this.Enlistment.RepoRoot, "rev-parse :Test_EPF_WorkingDirectoryTests/TruncatedObjectRedownloaded.txt");
            string sha = revParseResult.Output.Trim();
            sha.Length.ShouldEqual(40);
            string objectPath = Path.Combine(this.Enlistment.GetObjectRoot(this.fileSystem), sha.Substring(0, 2), sha.Substring(2, 38));
            objectPath.ShouldNotExistOnDisk(this.fileSystem);

            string corruptObjectFolderPath = Path.Combine(this.Enlistment.DotGVFSRoot, "CorruptObjects");
            int initialCorruptObjectCount = 0;
            if (this.fileSystem.DirectoryExists(corruptObjectFolderPath))
            {
                initialCorruptObjectCount = new DirectoryInfo(corruptObjectFolderPath).EnumerateFileSystemInfos().Count();
            }

            // Read a copy of TruncatedObjectRedownloaded.txt to force the object to be downloaded
            GitProcess.InvokeProcess(this.Enlistment.RepoRoot, "rev-parse :Test_EPF_WorkingDirectoryTests/TruncatedObjectRedownloaded_copy.txt").Output.Trim().ShouldEqual(sha);
            string testFileContents = this.Enlistment.GetVirtualPathTo("Test_EPF_WorkingDirectoryTests", "TruncatedObjectRedownloaded_copy.txt").ShouldBeAFile(this.fileSystem).WithContents();
            objectPath.ShouldBeAFile(this.fileSystem);
            string modifedFile = "Test_EPF_WorkingDirectoryTests/TruncatedObjectRedownloaded.txt";
            GVFSHelpers.ModifiedPathsShouldNotContain(this.Enlistment, this.fileSystem, modifedFile);

            // Truncate the contents of objectPath
            string tempTruncatedObjectPath = objectPath + "truncated";
            FileInfo objectFileInfo = new FileInfo(objectPath);
            long objectLength = objectFileInfo.Length;
            using (FileStream objectStream = new FileStream(objectPath, FileMode.Open))
            using (FileStream truncatedObjectStream = new FileStream(tempTruncatedObjectPath, FileMode.CreateNew))
            {
                for (int i = 0; i < (objectStream.Length - 16); ++i)
                {
                    truncatedObjectStream.WriteByte((byte)objectStream.ReadByte());
                }
            }

            this.fileSystem.DeleteFile(objectPath);
            this.fileSystem.MoveFile(tempTruncatedObjectPath, objectPath);
            tempTruncatedObjectPath.ShouldNotExistOnDisk(this.fileSystem);
            objectPath.ShouldBeAFile(this.fileSystem);
            new FileInfo(objectPath).Length.ShouldEqual(objectLength - 16);

            // Windows should correct a corrupt obect
            // Read the original path and verify its contents are correct
            this.Enlistment.GetVirtualPathTo("Test_EPF_WorkingDirectoryTests", "TruncatedObjectRedownloaded.txt").ShouldBeAFile(this.fileSystem).WithContents(testFileContents);

            // Confirm there's a new item in the corrupt objects folder
            corruptObjectFolderPath.ShouldBeADirectory(this.fileSystem).WithItems().Count().ShouldEqual(initialCorruptObjectCount + 1);

            // File should not be in ModifiedPaths.dat
            GVFSHelpers.ModifiedPathsShouldNotContain(this.Enlistment, this.fileSystem, "Test_EPF_WorkingDirectoryTests/TruncatedObjectRedownloaded.txt");
        }
    

开发者ID:microsoft,项目名称:VFSForGit,代码行数:55,代码来源:WorkingDirectoryTests.cs

在TruncatedObjectRedownloaded()方法中,FileInfo的代码示例类中的Open的代码示例方法一共出现了1次, 见黄色背景高亮显示的地方,欢迎大家点赞

FileInfo.Open的代码示例4 - YaraScanFile()

    using System.IO;

        public static List YaraScanFile(string fileName, bool verbose)
        {

            List beaconScanMatches = new List();

            using (var ctx = new YaraContext())
            {
                Rules rules = null;

                try
                {
                    using (Compiler compiler = new Compiler())
                    {
                        // Retrieve YARA rules from YaraRules static class and compile them for scanning
                        foreach (string rule in YaraRules.meterpreterRules)
                        {
                            compiler.AddRuleString(rule);
                        }

                        compiler.AddRuleString(YaraRules.cobaltStrikeRule);

                        rules = compiler.GetRules();
                    }

                    // Scanner and ScanResults do not need to be disposed.
                    var scanner = new Scanner();

                    List results = new List();

                    // If file size > 2GB, stream the file and use ScanMemory() on file chunks rather than reading the whole file via 
                    if (new FileInfo(fileName).Length < Int32.MaxValue)
                    {
                       results.AddRange(scanner.ScanFile(fileName, rules));
                    }
                    else
                    {
                        using (FileStream fileStream = new FileStream(fileName, FileMode.Open, FileAccess.Read))
                        {
                            // Parse the file in 200MB chunks
                            int chunkSize = 1024 * 1024 * 200;
                            byte[] chunk = new byte[chunkSize];
                            int bytesRead = 0;
                            long bytesToRead = fileStream.Length;

                            while (bytesToRead != 0)
                            {
                                int n = fileStream.Read(chunk, 0, chunkSize);

                                if (n == 0)
                                {
                                    break;
                                }

                                // Yara scan the file chunk and add any results to the list
                                var scanResults = scanner.ScanMemory(chunk, rules);

                                // Because the file is being scanned in chunks, match offsets are based on the start of the chunk. Need to add
                                // previous bytes read to the current match offsets
                                if (scanResults.Count > 0)
                                {
                                    foreach (ScanResult result in scanResults)
                                    {
                                        if (result.MatchingRule.Identifier.Contains("CobaltStrike"))
                                        {
                                            foreach (string key in result.Matches.Keys)
                                            {
                                                result.Matches[key][0].Offset += (ulong)bytesRead;
                                            }
                                            results.Add(result);
                                        }
                                    }
                                }

                                bytesRead += n;
                                bytesToRead -= n;
                                
                                // Shitty progress update
                                if (verbose && bytesRead > 0 && bytesRead <= fileStream.Length)
                                    Console.Write($"\r\tScanned {bytesRead} bytes of {fileStream.Length} byte file...");
                            }
                        }
                        if (verbose)
                            Console.WriteLine($"\r\tFinished scanning file: {fileName}\t\t\t");
                    }

                    beaconScanMatches = ParseScanResults(results);
                }
                finally
                {
                    // Rules and Compiler objects must be disposed.
                    if (rules != null) rules.Dispose();
                }

                return beaconScanMatches;
            }
        }
    

开发者ID:Apr4h,项目名称:CobaltStrikeScan,代码行数:98,代码来源:CobaltStrikeScan.cs

在YaraScanFile()方法中,FileInfo的代码示例类中的Open的代码示例方法一共出现了1次, 见黄色背景高亮显示的地方,欢迎大家点赞

FileInfo.Open的代码示例5 - GetBeaconsFromFile()

    using System.IO;

        /// 
        /// Get Cobalt Strike Configurations from a file and output their contents to the console . 
        /// 
        /// Name of memory/dump file to be scanned for Cobalt Strike beacons
        private static void GetBeaconsFromFile(string fileName)
        {
            OutputMessageToConsole(LogLevel.Info, $"Scanning file: {fileName}");
            List beacons = new List();

            if (File.Exists(fileName))
            {
                // Check the size of the file. If > 500MB, and notify that scanning will take time
                var fileSize = new FileInfo(fileName).Length;
                if (fileSize > Int32.MaxValue)
                {
                    OutputMessageToConsole(LogLevel.Warn, $"\tFile is large: {fileSize / (1024 * 1024)} MB. Scanning will be slow.");
                }

                // Yara scan the file and return any matches
                List beaconMatches = CobaltStrikeScan.YaraScanFile(fileName, opts.Verbose);

                // Extract config bytes at each match offset and parse the beacon config from them
                if (beaconMatches.Count > 0)
                {
                    if (opts.Verbose)
                    {
                        OutputMessageToConsole(LogLevel.Info, $"\t{beaconMatches.Count} Signature(s) detected in file. Attempting to extract and parse config...\n");
                    }
                    foreach (BeaconMatch match in beaconMatches)
                    {
                        try
                        {
                            byte[] beaconConfigBytes = new byte[4096];
                            // Get a byte array from the offset of the file with beacon matches to avoid cases
                            // where the file is too big to read in to a File object
                            using (FileStream fileStream = new FileStream(fileName, FileMode.Open, FileAccess.Read))
                            {
                                fileStream.Seek((long)match.Offset, SeekOrigin.Begin);
                                fileStream.Read(beaconConfigBytes, 0, 4096);
                            }
                            match.Offset = 0;
                            beacons.Add(new Beacon(beaconConfigBytes, match.Offset, match.Version));
                        }
                        catch (System.IO.IOException)
                        {
                            /* 
                            if (opts.Verbose)
                            {
                                OutputMessageToConsole(LogLevel.Error, $"Error extracting signatured data from file at offset: {match.Offset}");
                            }
                            */
                        }
                    }

                    if (beacons.Count > 0)
                    {
                        foreach (Beacon beacon in beacons)
                        {
                            if (beacon.isValidBeacon())
                            {
                                OutputMessageToConsole(LogLevel.Success, $"Cobalt Strike Beacon Configuration\n");
                                beacon.OutputToConsole();
                            }
                        }
                    }
                    else
                        OutputBeaconNotFoundMessage();
                }
                else { OutputBeaconNotFoundMessage(); }
            }
            else
            {
                OutputMessageToConsole(LogLevel.Error, $"File doesn't exist: {fileName}\nExiting...");
                System.Environment.Exit(1);
            }        
        }
    

开发者ID:Apr4h,项目名称:CobaltStrikeScan,代码行数:78,代码来源:ConsoleUI.cs

在GetBeaconsFromFile()方法中,FileInfo的代码示例类中的Open的代码示例方法一共出现了1次, 见黄色背景高亮显示的地方,欢迎大家点赞

FileInfo.Open的代码示例6 - Send()

    using System.IO;

        /// 
        /// Sends the specified file using the WebSocket connection.
        /// 
        /// 
        ///   
        ///   A  that specifies the file to send.
        ///   
        ///   
        ///   The file is sent as the binary data.
        ///   
        /// 
        /// 
        /// The current state of the connection is not Open.
        /// 
        /// 
        ///  is .
        /// 
        /// 
        ///   
        ///   The file does not exist.
        ///   
        ///   
        ///   -or-
        ///   
        ///   
        ///   The file could not be opened.
        ///   
        /// 
        public void Send(FileInfo fileInfo) {
            if (_readyState != WebSocketState.Open) {
                var msg = "The current state of the connection is not Open.";
                throw new InvalidOperationException(msg);
            }

            if (fileInfo == null)
                throw new ArgumentNullException("fileInfo");

            if (!fileInfo.Exists) {
                var msg = "The file does not exist.";
                throw new ArgumentException(msg, "fileInfo");
            }

            FileStream stream;
            if (!fileInfo.TryOpenRead(out stream)) {
                var msg = "The file could not be opened.";
                throw new ArgumentException(msg, "fileInfo");
            }

            send(Opcode.Binary, stream);
        }
    

开发者ID:ntminer,项目名称:NtMiner,代码行数:52,代码来源:WebSocket.cs

在Send()方法中,FileInfo的代码示例类中的Open的代码示例方法一共出现了1次, 见黄色背景高亮显示的地方,欢迎大家点赞

FileInfo.Open的代码示例7 - IsFileDifferent()

    using System.IO;

        /// 
        /// Check if a file is different than the stream content. Content is compared bit per bit.
        /// 
        /// file to compare
        /// stream to compare
        /// true=different, false=same
        public static bool IsFileDifferent(FileInfo file, Stream stream)
        {
            if (!file.Exists)
                return true;

            // Note: Using same buffer size than AreStreamsEqual for better efficiency
            using (var fstream = new FileStream(file.FullName, FileMode.Open, FileAccess.Read, FileShare.Read, _FileStreamBufferSize))
            {
                return !AreStreamsEqual(stream, fstream);
            }
        }
    

开发者ID:ubisoft,项目名称:Sharpmake,代码行数:19,代码来源:Util.cs

在IsFileDifferent()方法中,FileInfo的代码示例类中的Open的代码示例方法一共出现了1次, 见黄色背景高亮显示的地方,欢迎大家点赞

FileInfo.Open的代码示例8 - OpenWorkbook()

    using System.IO;

        #endregion

        #region "  OpenWorkbookFromStream  "

        private void OpenWorkbook(string filename)
        {
            FileInfo info = new FileInfo(filename);
            if (info.Exists == false)
                throw new FileNotFoundException(string.Concat("Excel File '", filename, "' not found."), filename);

            using (FileStream file = new FileStream(filename, FileMode.Open, FileAccess.Read))
            {
                OpenWorkbookFromStream(file);
            }
        }
    

开发者ID:MarcosMeli,项目名称:FileHelpers,代码行数:17,代码来源:ExcelNPOIStorage.cs

在OpenWorkbook()方法中,FileInfo的代码示例类中的Open的代码示例方法一共出现了1次, 见黄色背景高亮显示的地方,欢迎大家点赞

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