Commit

AzureBlob.cs

@@ -0,0 +1,82 @@
+public class AzureBlobDownload
+{
+    private readonly static HttpClient blobClient;
+    private readonly static SharePointConfig config;
+
+    static AzureBlobDownload()
+    {
+        config = SharePointConfig.GetConfig();
+        blobClient = new HttpClient() { BaseAddress = new Uri(config.blobEndpointUrl), Timeout = TimeSpan.FromMinutes(10) };
+    }
+
+
+    public static async Task<CopyResult> UploadBlob(string fullPath, SharePointObject file, object fileLock, string logFilePath, string token)
+    {
+        string requestUri = $"/{config.blobContainer}{fullPath}";
+        string dateInRfc1123Format = DateTime.UtcNow.ToString("R");
+        string blobType = "BlockBlob";
+        CopyResult result = new CopyResult();
+        try
+        {
+            HttpRequestMessage checkOnBlob = new HttpRequestMessage(HttpMethod.Head, requestUri);
+            checkOnBlob.Headers.Add("x-ms-date", dateInRfc1123Format);
+            checkOnBlob.Headers.Add("x-ms-version", "2020-10-02");
+            checkOnBlob.Headers.Add("Authorization", $"Bearer {token}");
+            string lastModified = "";
+            try
+            {
+                HttpResponseMessage metaCheck = await blobClient.SendAsync(checkOnBlob);
+                lastModified = metaCheck.Headers.FirstOrDefault(x => x.Key == "x-ms-meta-lastmodifieddatetime").Value.FirstOrDefault("");
+            }
+            catch
+            {
+            }
+            if (lastModified != file.lastModifiedDateTime.ToString())
+            {
+                using (HttpResponseMessage response = await blobClient.GetAsync(file.downloadUrl))
+                {
+                    response.EnsureSuccessStatusCode();
+                    HttpRequestMessage request = new HttpRequestMessage(HttpMethod.Put, requestUri);
+                    request.Content = new StreamContent(await response.Content.ReadAsStreamAsync());
+                    request.Headers.Add("x-ms-date", dateInRfc1123Format);
+                    request.Headers.Add("x-ms-version", "2020-10-02");
+                    request.Headers.Add("x-ms-blob-type", blobType);
+                    request.Headers.Add("Authorization", $"Bearer {token}");
+                    request.Headers.Add("x-ms-meta-createdate", file.createdDateTime.ToString());
+                    request.Headers.Add("x-ms-meta-lastmodifieddatetime", file.lastModifiedDateTime.ToString());
+                    HttpResponseMessage blobResponse = await blobClient.SendAsync(request);
+                    blobResponse.EnsureSuccessStatusCode();
+                }
+                result.sourcePath = file.downloadUrl;
+                result.targetPath = $"{config.blobEndpointUrl}{config.blobContainer}{fullPath}";
+                result.result = "OK";
+                lock (fileLock)
+                {
+                    File.AppendAllText(logFilePath, $"Upload Blob Success: {file.name} uploaded to {config.blobEndpointUrl}{config.blobContainer}{fullPath}{Environment.NewLine}");
+                }
+            }
+            else
+            {
+                result.sourcePath = file.downloadUrl;
+                result.targetPath = $"{config.blobEndpointUrl}{config.blobContainer}{fullPath}";
+                result.result = "Exists";
+                lock (fileLock)
+                {
+                    File.AppendAllText(logFilePath, $"Blob Exists: {file.name} exists at {config.blobEndpointUrl}{config.blobContainer}{fullPath}{Environment.NewLine}");
+                }
+            }
+        }
+        catch
+        {
+            result.sourcePath = file.downloadUrl;
+            result.targetPath = $"{config.blobEndpointUrl}{config.blobContainer}{fullPath}";
+            result.result = "FAILED";
+            lock (fileLock)
+            {
+                File.AppendAllText(logFilePath, $"Upload Blob Failure: {file.name} uploaded to {config.blobEndpointUrl}{config.blobContainer}{fullPath}{Environment.NewLine}");
+            }
+        }
+
+        return result;
+    }
+}