/// <summary>
/// A method is used to get the WOPIsrc value and the token value.
/// </summary>
/// <param name="wopiResourceUrl">A parameter represents the WOPI resource URL</param>
/// <returns>A return value represents a name-value pairs collection which includes the WOPIsrc value and the token value. The token value can be get by "Token" key, the WOPIsrc value can be get by "WOPISrc" key.</returns>
protected static Dictionary <string, string> GetWOPISrcAndTokenValueFromWOPIResourceUrl(string wopiResourceUrl)
{
if (string.IsNullOrEmpty(wopiResourceUrl))
{
throw new ArgumentNullException("wopiResourceUrl");
}
Uri currentUri = null;
if (!Uri.TryCreate(wopiResourceUrl, UriKind.Absolute, out currentUri))
{
throw new ArgumentException("It must be a valid absolute URL", "wopiResourceUrl");
}
#region verify the URL.
NameValueCollection queryParameterValues = HttpUtility.ParseQueryString(currentUri.Query);
if (null == queryParameterValues || 0 == queryParameterValues.Count)
{
string errorMsg = string.Format("The WOPI resource URL must contain the URL query parameter. current URL:[{0}] \r\n", wopiResourceUrl);
HelperBase.AppendLogs(typeof(TokenAndRequestUrlHelper), errorMsg);
throw new InvalidOperationException(errorMsg);
}
string expectedQueryParameter = @"access_token";
// Verify the query parameters whether contain "access_token"
if (!queryParameterValues.AllKeys.Any(Founder => Founder.Equals(expectedQueryParameter, StringComparison.OrdinalIgnoreCase)))
{
string errorMsg = string.Format("The WOPI resource URL must contain [access_token] parameter. current URL:[{0}] \r\n", wopiResourceUrl);
HelperBase.AppendLogs(typeof(TokenAndRequestUrlHelper), errorMsg);
throw new InvalidOperationException(errorMsg);
}
#endregion
string wopiSrcUrl = currentUri.GetLeftPart(UriPartial.Path);
Dictionary <string, string> wopiSrcAndTokenValues = new Dictionary <string, string>();
wopiSrcAndTokenValues.Add("WOPISrc", wopiSrcUrl);
wopiSrcAndTokenValues.Add("Token", queryParameterValues[expectedQueryParameter]);
return(wopiSrcAndTokenValues);
}
/// <summary>
/// A method is used to get folder children's level URL.
/// </summary>
/// <param name="wopiRootResourceUrl">A parameter represents the WOPI resource URL for the folder level.</param>
/// <param name="subResourceUrlType">A parameter represents the WOPI sub resource URL for the folder level.</param>
/// <returns>A return value represents the folder children's level URL.</returns>
public static string GetSubResourceUrl(string wopiRootResourceUrl, WOPISubResourceUrlType subResourceUrlType)
{
#region Verify parameter
if (string.IsNullOrEmpty(wopiRootResourceUrl))
{
throw new ArgumentNullException("wopiRootResourceUrl");
}
Uri currentUri = null;
if (!Uri.TryCreate(wopiRootResourceUrl, UriKind.Absolute, out currentUri))
{
throw new ArgumentException("It must be a valid absolute URL", "wopiRootResourceUrl");
}
string expectedIncludeStringValue = string.Empty;
string expectedPatternValue = string.Empty;
string expectedSubResourceUrlPostfix = string.Empty;
WOPIRootResourceUrlType expectedRootResourceUrlType = WOPIRootResourceUrlType.FileLevel;
switch (subResourceUrlType)
{
case WOPISubResourceUrlType.FolderChildrenLevel:
{
expectedIncludeStringValue = @"/folders/";
expectedPatternValue = folderLevelPattern;
expectedSubResourceUrlPostfix = @"/children";
expectedRootResourceUrlType = WOPIRootResourceUrlType.FolderLevel;
break;
}
case WOPISubResourceUrlType.FileContentsLevel:
{
expectedIncludeStringValue = @"/files/";
expectedPatternValue = fileLevelPattern;
expectedSubResourceUrlPostfix = @"/contents";
expectedRootResourceUrlType = WOPIRootResourceUrlType.FileLevel;
break;
}
default:
{
throw new InvalidOperationException(string.Format(@"The test suite only supports [{0}] and [{1}] two WOPI sub resource URL formats.", WOPISubResourceUrlType.FileContentsLevel, WOPISubResourceUrlType.FolderChildrenLevel));
}
}
if (wopiRootResourceUrl.IndexOf(expectedIncludeStringValue, StringComparison.OrdinalIgnoreCase) < 0)
{
string errorMsg = string.Format(
@"To getting the [{0}] sub resource URL, the WOPI root resource URL must be [{1}] type, and its format must be [{2}] format.",
subResourceUrlType,
expectedRootResourceUrlType,
expectedPatternValue);
HelperBase.AppendLogs(typeof(TokenAndRequestUrlHelper), errorMsg);
throw new InvalidOperationException(errorMsg);
}
string pathValueOfUrl = currentUri.AbsolutePath;
if (pathValueOfUrl.EndsWith(@"/contents", StringComparison.OrdinalIgnoreCase) ||
pathValueOfUrl.EndsWith(@"/children", StringComparison.OrdinalIgnoreCase))
{
string errorMsg = string.Format(
@"The URL value has been WOPI sub resource URL:[{0}]",
wopiRootResourceUrl);
HelperBase.AppendLogs(typeof(TokenAndRequestUrlHelper), errorMsg);
throw new InvalidOperationException(errorMsg);
}
#endregion
Dictionary <string, string> wopiSrcAndTokenValues = GetWOPISrcAndTokenValueFromWOPIResourceUrl(wopiRootResourceUrl);
string wopiSrcValue = wopiSrcAndTokenValues["WOPISrc"];
string tokenValue = wopiSrcAndTokenValues["Token"];
// Construct the sub WOPI resource URL.
string wopiSubResourceUrl = string.Format(
@"{0}{1}{2}{3}",
wopiSrcValue,
expectedSubResourceUrlPostfix,
@"?access_token=",
tokenValue);
return(wopiSubResourceUrl);
}