SaasposeApp.AppKey = "9a******************";
SaasposeApp.AppSID = "77*********************";
//specify product URI
Product.BaseProductUri = @"http://api.saaspose.com/v1.0";
try
{
string fileName = "Sample.doc";
string saveFormat = "doc";
string outputFile = "C:\\Output." + saveFormat;
string amazonS3StorageName = "MyAmazonS3Storage";
string amazonS3BucketName = "MyS3Bucket"; // include folder name if file is not at root folder
//serialize the JSON request content
Field field = new Field();
field.Alignment = "right";
field.Format = "{PAGE} of {NUMPAGES}";
field.IsTop = true;
field.SetPageNumberOnFirstPage = true;
string strJSON = JsonConvert.SerializeObject(field);
//build URI
string strURI = Product.BaseProductUri + "/words/" + fileName + "/insertPageNumbers";
strURI += "?storage=" + amazonS3StorageName + "&folder=" + amazonS3BucketName;
//sign URI
string signedURI = Sign(strURI);
//get response stream
Stream responseStream = ProcessCommand(signedURI, "POST", strJSON, "json");
//build URI
strURI = Product.BaseProductUri + "/words/" + fileName;
strURI += "?format=" + saveFormat + "&storage=" + amazonS3StorageName + "&folder=" + amazonS3BucketName; ;
//sign URI
signedURI = Sign(strURI);
//get response stream
responseStream = ProcessCommand(signedURI, "GET");
using (Stream fileStream = System.IO.File.OpenWrite(outputFile))
{
CopyStream(responseStream, fileStream);
}
responseStream.Close();
}
catch (Exception ex)
{
Console.WriteLine(ex.Message);
}
public static string Sign(string url)
{
try
{
UriBuilder builder = new UriBuilder(url);
if (builder.Query != null && builder.Query.Length > 1)
builder.Query = builder.Query.Substring(1) + "&appSID=" + SaasposeApp.AppSID;
else
builder.Query = "appSID=" + SaasposeApp.AppSID;
builder.Path = builder.Path.TrimEnd('/');
byte[] privateKey = System.Text.Encoding.UTF8.GetBytes(SaasposeApp.AppKey);
System.Security.Cryptography.HMACSHA1 algorithm = new System.Security.Cryptography.HMACSHA1(privateKey);
byte[] sequence = System.Text.ASCIIEncoding.ASCII.GetBytes(builder.Uri.AbsoluteUri);
byte[] hash = algorithm.ComputeHash(sequence);
string signature = Convert.ToBase64String(hash);
signature = signature.TrimEnd('=');
signature = System.Web.HttpUtility.UrlEncode(signature);
signature = System.Text.RegularExpressions.Regex.Replace(signature, "%[0-9a-f]{2}", e => e.Value.ToUpper());
return string.Format("{0}&signature={1}", builder.Uri.AbsoluteUri, signature);
}
catch (Exception ex)
{
throw new Exception(ex.Message);
}
}
public static Stream ProcessCommand(string strURI, string strHttpCommand)
{
try
{
Uri address = new Uri(strURI);
System.Net.HttpWebRequest request = (System.Net.HttpWebRequest)System.Net.HttpWebRequest.Create(address);
request.Method = strHttpCommand;
request.ContentType = "application/json";
request.ContentLength = 0;
System.Net.HttpWebResponse response = (System.Net.HttpWebResponse)request.GetResponse();
return response.GetResponseStream();
}
catch (System.Net.WebException webex)
{
throw new Exception(webex.Message);
}
catch (Exception Ex)
{
throw new Exception(Ex.Message);
}
}
public static Stream ProcessCommand(string strURI, string strHttpCommand, string strContent, string ContentType = "xml")
{
try
{
byte[] arr = System.Text.Encoding.UTF8.GetBytes(strContent);
Uri address = new Uri(strURI);
System.Net.HttpWebRequest request = (System.Net.HttpWebRequest)System.Net.HttpWebRequest.Create(address);
request.Method = strHttpCommand;
if (ContentType.ToLower() == "xml")
request.ContentType = "application/xml";
else
request.ContentType = "application/json";
request.ContentLength = arr.Length;
Stream dataStream = request.GetRequestStream();
dataStream.Write(arr, 0, arr.Length);
dataStream.Close();
System.Net.HttpWebResponse response = (System.Net.HttpWebResponse)request.GetResponse();
return response.GetResponseStream();
}
catch (System.Net.WebException webex)
{
throw new Exception(webex.Message);
}
catch (Exception Ex)
{
throw new Exception(Ex.Message);
}
}
public static void CopyStream(Stream input, Stream output)
{
try
{
byte[] buffer = new byte[8 * 1024];
int len;
while ((len = input.Read(buffer, 0, buffer.Length)) > 0)
{
output.Write(buffer, 0, len);
}
}
catch (Exception ex)
{
throw new Exception(ex.Message);
}
}
}
public class Product
{
public static string BaseProductUri { get; set; }
}
public class SaasposeApp
{
public static string AppSID { get; set; }
public static string AppKey { get; set; }
}
public class Field
{
public string Format { get; set; }
public string Alignment { get; set; }
public bool IsTop { get; set; }
public bool SetPageNumberOnFirstPage { get; set; }
}
