Example #1
0
        public void Artifact_FileIsLocked()
        {
            string filePath = Path.GetTempFileName();
            Uri    uri      = new Uri(filePath);

            try
            {
                // Place an exclusive read lock on file, so that FileData cannot access its contents.
                // This raises an IOException, which is swallowed by FileData.Create
                using (var exclusiveAccessReader = File.Open(filePath, FileMode.Open, FileAccess.Read, FileShare.None))
                {
                    Artifact fileData = Artifact.Create(uri, OptionallyEmittedData.TextFiles);
                    fileData.Location.Should().Be(null);
                    fileData.MimeType.Should().Be(MimeType.Binary);
                    fileData.Hashes.Should().BeNull();
                    fileData.Contents.Should().BeNull();
                }
            }
            finally
            {
                if (File.Exists(filePath))
                {
                    File.Delete(filePath);
                }
            }
        }
Example #2
0
        public void Artifact_PersistTextFileContentsBigEndianUnicode()
        {
            Encoding encoding  = Encoding.BigEndianUnicode;
            string   filePath  = Path.GetTempFileName() + ".cs";
            string   textValue = "अचम्भा";

            byte[] fileContents = encoding.GetBytes(textValue);

            Uri uri = new Uri(filePath);

            try
            {
                File.WriteAllBytes(filePath, fileContents);
                Artifact fileData = Artifact.Create(uri, OptionallyEmittedData.TextFiles, mimeType: null, encoding: encoding);
                fileData.Location.Should().Be(null);
                fileData.MimeType.Should().Be(MimeType.CSharp);
                fileData.Hashes.Should().BeNull();

                string encodedFileContents = encoding.GetString(fileContents);
                fileData.Contents.Text.Should().Be(encodedFileContents);
            }
            finally
            {
                if (File.Exists(filePath))
                {
                    File.Delete(filePath);
                }
            }
        }
Example #3
0
        public void Artifact_SerializeMultipleFileRoles()
        {
            Artifact fileData = Artifact.Create(new Uri("file:///example.cs"), OptionallyEmittedData.None);

            fileData.Roles = ArtifactRoles.ResponseFile | ArtifactRoles.ResultFile;

            string actual = JsonConvert.SerializeObject(fileData);

            actual.Should().Be("{\"roles\":[\"responseFile\",\"resultFile\"],\"mimeType\":\"text/x-csharp\"}");
        }
Example #4
0
        public void Artifact_SerializeSingleFileRole()
        {
            Artifact fileData = Artifact.Create(new Uri("file:///example.cs"), OptionallyEmittedData.None);

            fileData.Roles = ArtifactRoles.AnalysisTarget;

            string result = JsonConvert.SerializeObject(fileData);

            result.Should().Be("{\"roles\":[\"analysisTarget\"],\"mimeType\":\"text/x-csharp\"}");
        }
Example #5
0
        public void Artifact_FileDoesNotExist()
        {
            // If a file does not exist, and we request file contents
            // persistence, the logger will not raise an exception
            string   filePath = Path.GetTempFileName();
            Uri      uri      = new Uri(filePath);
            Artifact fileData = Artifact.Create(uri, OptionallyEmittedData.TextFiles);

            fileData.Location.Should().Be(null);
            fileData.MimeType.Should().Be(MimeType.Binary);
            fileData.Hashes.Should().BeNull();
            fileData.Contents.Should().BeNull();
        }
Example #6
0
        public void Artifact_PersistBinaryAndTextFileContents(
            string fileExtension,
            OptionallyEmittedData dataToInsert,
            bool shouldBePersisted)
        {
            string filePath     = Path.GetTempFileName() + fileExtension;
            string fileContents = Guid.NewGuid().ToString();
            Uri    uri          = new Uri(filePath);

            try
            {
                File.WriteAllText(filePath, fileContents);
                Artifact fileData = Artifact.Create(uri, dataToInsert);
                fileData.Location.Should().BeNull();

                if (dataToInsert.HasFlag(OptionallyEmittedData.Hashes))
                {
                    fileData.Hashes.Should().NotBeNull();
                }
                else
                {
                    fileData.Hashes.Should().BeNull();
                }

                string encodedFileContents = Convert.ToBase64String(File.ReadAllBytes(filePath));

                if (shouldBePersisted)
                {
                    fileData.Contents.Binary.Should().Be(encodedFileContents);
                    fileData.Contents.Text.Should().BeNull();
                }
                else
                {
                    fileData.Contents.Should().BeNull();
                }
            }
            finally
            {
                if (File.Exists(filePath))
                {
                    File.Delete(filePath);
                }
            }
        }
Example #7
0
        private static void RunUnauthorizedAccessTextForFile(bool isTextFile)
        {
            string extension = isTextFile ? ".cs" : ".dll";
            string filePath  = Path.GetFullPath(Guid.NewGuid().ToString()) + extension;
            Uri    uri       = new Uri(filePath);

            IFileSystem fileSystem = SetUnauthorizedAccessExceptionMock();

            Artifact fileData = Artifact.Create(
                uri,
                OptionallyEmittedData.TextFiles,
                mimeType: null,
                encoding: null,
                fileSystem: fileSystem);

            // We pass none here as the occurrence of UnauthorizedAccessException
            // should result in non-population of any file contents.
            Validate(fileData, OptionallyEmittedData.None);
        }
Example #8
0
        public void Artifact_ComputeHashes()
        {
            string filePath     = Path.GetTempFileName();
            string fileContents = Guid.NewGuid().ToString();
            Uri    uri          = new Uri(filePath);

            try
            {
                File.WriteAllText(filePath, fileContents);
                Artifact fileData = Artifact.Create(uri, OptionallyEmittedData.Hashes);
                fileData.Location.Should().Be(null);
                HashData hashes = HashUtilities.ComputeHashes(filePath);
                fileData.MimeType.Should().Be(MimeType.Binary);
                fileData.Contents.Should().BeNull();
                fileData.Hashes.Count.Should().Be(3);

                foreach (string algorithm in fileData.Hashes.Keys)
                {
                    switch (algorithm)
                    {
                    case "md5": { fileData.Hashes[algorithm].Should().Be(hashes.MD5); break; }

                    case "sha-1": { fileData.Hashes[algorithm].Should().Be(hashes.Sha1); break; }

                    case "sha-256": { fileData.Hashes[algorithm].Should().Be(hashes.Sha256); break; }

                    default: { true.Should().BeFalse(); break; /* unexpected algorithm kind */ }
                    }
                }
            }
            finally
            {
                if (File.Exists(filePath))
                {
                    File.Delete(filePath);
                }
            }
        }
Example #9
0
        public int GetFileIndex(
            ArtifactLocation fileLocation,
            bool addToFilesTableIfNotPresent   = true,
            OptionallyEmittedData dataToInsert = OptionallyEmittedData.None,
            Encoding encoding = null,
            HashData hashData = null)
        {
            if (fileLocation == null)
            {
                throw new ArgumentNullException(nameof(fileLocation));
            }

            if (this.Artifacts == null || this.Artifacts.Count == 0)
            {
                if (!addToFilesTableIfNotPresent)
                {
                    return(-1);
                }
            }

            if (_fileToIndexMap == null)
            {
                InitializeFileToIndexMap();
            }

            if (fileLocation.Uri == null)
            {
                // We only have a file index, so just return it.
                return(fileLocation.Index);
            }

            // Strictly speaking, some elements that may contribute to a files table
            // key are case sensitive, e.g., everything but the schema and protocol of a
            // web URI. We don't have a proper comparer implementation that can handle
            // all cases. For now, we cover the Windows happy path, which assumes that
            // most URIs in log files are file paths (which are case-insensitive)
            //
            // Tracking item for an improved comparer:
            // https://github.com/Microsoft/sarif-sdk/issues/973

            // When we perform a files table look-up, only the uri and uriBaseId
            // are relevant; these properties together comprise the unique identity
            // of the file object. The file index, of course, does not relate to the
            // file identity. We consciously exclude the properties bag as well.

            // We will normalize the input fileLocation.Uri to make URIs more consistent
            // throughout the emitted log.
            fileLocation.Uri = new Uri(UriHelper.MakeValidUri(fileLocation.Uri.OriginalString), UriKind.RelativeOrAbsolute);

            var filesTableKey = new ArtifactLocation
            {
                Uri       = fileLocation.Uri,
                UriBaseId = fileLocation.UriBaseId
            };

            if (!_fileToIndexMap.TryGetValue(filesTableKey, out int fileIndex))
            {
                if (addToFilesTableIfNotPresent)
                {
                    this.Artifacts = this.Artifacts ?? new List <Artifact>();
                    fileIndex      = this.Artifacts.Count;

                    var fileData = Artifact.Create(
                        filesTableKey.Uri,
                        dataToInsert,
                        hashData: hashData,
                        encoding: null);

                    // Copy ArtifactLocation to ensure changes to Result copy don't affect new Run.Artifacts copy
                    fileData.Location = new ArtifactLocation(fileLocation);

                    this.Artifacts.Add(fileData);

                    _fileToIndexMap[filesTableKey] = fileIndex;
                }
                else
                {
                    // We did not find the item. The call was not configured to add the entry.
                    // Return the default value that indicates the item isn't present.
                    fileIndex = -1;
                }
            }

            fileLocation.Index = fileIndex;
            return(fileIndex);
        }
Example #10
0
        public void Artifact_Create_NullUri()
        {
            Action action = () => { Artifact.Create(null, OptionallyEmittedData.None); };

            action.Should().Throw <ArgumentNullException>();
        }