/// <summary>
/// Parses the entity identifier.
/// </summary>
/// <returns>EntityIdSegment contained absolute Uri representing $id</returns>
public EntityIdSegment ParseEntityId()
{
if (this.entityIdSegment != null)
{
return(this.entityIdSegment);
}
InitQueryOptionDic();
string idQuery = null;
if (!this.Resolver.EnableCaseInsensitive)
{
if (!this.queryOptionDic.TryGetValue(UriQueryConstants.IdQueryOption, out idQuery))
{
return(null);
}
}
else
{
var list = this.queryOptionDic
.Where(pair => string.Equals(UriQueryConstants.IdQueryOption, pair.Key, StringComparison.OrdinalIgnoreCase))
.ToList();
if (list.Count == 0)
{
return(null);
}
else if (list.Count == 1)
{
idQuery = list.First().Value;
}
else
{
throw new ODataException(Strings.QueryOptionUtils_QueryParameterMustBeSpecifiedOnce(UriQueryConstants.IdQueryOption));
}
}
Uri idUri = new Uri(idQuery, UriKind.RelativeOrAbsolute);
if (!idUri.IsAbsoluteUri)
{
if (!this.uri.IsAbsoluteUri)
{
Uri baseUri = UriUtils.CreateMockAbsoluteUri();
Uri c = new Uri(UriUtils.CreateMockAbsoluteUri(this.uri), idUri);
idUri = baseUri.MakeRelativeUri(c);
}
else
{
idUri = new Uri(this.uri, idUri);
}
}
this.entityIdSegment = new EntityIdSegment(idUri);
return(this.entityIdSegment);
}
/// <summary>
/// Build an ODataUriParser
/// </summary>
/// <param name="model">Model to use for metadata binding.</param>
/// <param name="relativeUri">Relative URI to be parsed.</param>
/// <param name="container">The optional dependency injection container to get related services for URI parsing.</param>
public ODataUriParser(IEdmModel model, Uri relativeUri, IServiceProvider container)
{
ExceptionUtils.CheckArgumentNotNull(relativeUri, "relativeUri");
if (relativeUri.IsAbsoluteUri)
{
throw new ODataException(Strings.UriParser_RelativeUriMustBeRelative);
}
this.configuration = new ODataUriParserConfiguration(model, container);
this.uri = relativeUri;
this.queryOptions = QueryOptionUtils.ParseQueryOptions(UriUtils.CreateMockAbsoluteUri(this.uri));
}
/// <summary>
/// Returns list of segments in the specified path (eg: /abc/pqr -> abc, pqr).
/// </summary>
/// <param name="fullUri">The full URI of the request.</param>
/// <param name="serviceBaseUri">The service base URI for the request.</param>
/// <returns>List of unescaped segments.</returns>
public virtual ICollection <string> ParsePathIntoSegments(Uri fullUri, Uri serviceBaseUri)
{
if (serviceBaseUri == null)
{
Debug.Assert(!fullUri.IsAbsoluteUri, "fullUri must be relative Uri");
serviceBaseUri = UriUtils.CreateMockAbsoluteUri();
fullUri = UriUtils.CreateMockAbsoluteUri(fullUri);
}
if (!UriUtils.UriInvariantInsensitiveIsBaseOf(serviceBaseUri, fullUri))
{
throw new ODataException(Strings.UriQueryPathParser_RequestUriDoesNotHaveTheCorrectBaseUri(fullUri, serviceBaseUri));
}
// COMPAT 29: Slash in key lookup breaks URI parser
// TODO: The code below has a bug that / in the named values will be considered a segment separator
// so for example /Customers('abc/pqr') is treated as two segments, which is wrong.
try
{
Uri uri = fullUri;
int numberOfSegmentsToSkip = 0;
// Skip over the base URI segments
#if !ORCAS
// need to calculate the number of segments to skip in the full
// uri (so that we can skip over http://blah.com/basePath for example,
// get only the odata specific parts of the path).
//
// because of differences in system.uri between portable lib and
// the desktop library, we need to handle this differently.
// in this case we get the number of segments to skip as simply
// then number of tokens in the serviceBaseUri split on slash, with
// length - 1 since its a zero based array.
numberOfSegmentsToSkip = serviceBaseUri.AbsolutePath.Split('/').Length - 1;
string[] uriSegments = uri.AbsolutePath.Split('/');
#else
numberOfSegmentsToSkip = serviceBaseUri.Segments.Length;
string[] uriSegments = uri.Segments;
#endif
int escapedStart = -1;
List <string> segments = new List <string>();
for (int i = numberOfSegmentsToSkip; i < uriSegments.Length; i++)
{
string segment = uriSegments[i];
// Skip the empty segment or the "/" segment
if (segment.Length == 0 || segment == "/")
{
continue;
}
// When we use "uri.Segments" to get the segments,
// The segment element includes the "/", we should remove that.
if (segment[segment.Length - 1] == '/')
{
segment = segment.Substring(0, segment.Length - 1);
}
if (segments.Count == this.maxSegments)
{
throw new ODataException(Strings.UriQueryPathParser_TooManySegments);
}
// Handle the "root...::/{xyz}"
if (segment.Length >= 2 && segment.EndsWith("::", StringComparison.Ordinal))
{
// It should be the terminal of the provious escape segment and the start of next escape semgent.
// Otherwise, it's an invalid Uri.
if (escapedStart == -1)
{
throw new ODataException(Strings.UriQueryPathParser_InvalidEscapeUri(segment));
}
else
{
string value = String.Join("/", uriSegments, escapedStart, i - escapedStart + 1);
segments.Add(":" + value.Substring(0, value.Length - 1));// because the last one has "::", remove one.
escapedStart = i + 1;
}
}
else if (segment.Length >= 1 && segment[segment.Length - 1] == ':')
{
// root:/{abc}....
if (escapedStart == -1)
{
if (segment != ":")
{
segments.Add(segment.Substring(0, segment.Length - 1));// remove the last ':'
}
escapedStart = i + 1;
}
else
{
// root:/{abc}:....
string escapedSegment = ":" + String.Join("/", uriSegments, escapedStart, i - escapedStart + 1); // the last has one ":";
segments.Add(escapedSegment);
escapedStart = -1;
}
}
else
{
// if we didn't find a starting escape, the current segment is normal segment, accept it.
// otherwise, it's part of the escape, skip it and process it when we find the ending delimiter.
if (escapedStart == -1)
{
segments.Add(Uri.UnescapeDataString(segment));
}
}
}
if (escapedStart != -1 && escapedStart < uriSegments.Length)
{
string escapedSegment = ":" + String.Join("/", uriSegments, escapedStart, uriSegments.Length - escapedStart);
segments.Add(escapedSegment); // We should not use "segments.Add(Uri.UnescapeDataString(escapedSegment));" to keep the orignal string.
}
return(segments.ToArray());
}
#if !ORCAS
catch (FormatException uriFormatException)
#else
catch (UriFormatException uriFormatException)
#endif
{
throw new ODataException(Strings.UriQueryPathParser_SyntaxError, uriFormatException);
}
}
/// <summary>
/// Returns list of segments in the specified path (eg: /abc/pqr -> abc, pqr).
/// </summary>
/// <param name="fullUri">The full URI of the request.</param>
/// <param name="serviceBaseUri">The service base URI for the request.</param>
/// <returns>List of unescaped segments.</returns>
internal ICollection <string> ParsePathIntoSegments(Uri fullUri, Uri serviceBaseUri)
{
if (serviceBaseUri == null)
{
Debug.Assert(!fullUri.IsAbsoluteUri, "fullUri must be relative Uri");
serviceBaseUri = UriUtils.CreateMockAbsoluteUri();
fullUri = UriUtils.CreateMockAbsoluteUri(fullUri);
}
if (!UriUtils.UriInvariantInsensitiveIsBaseOf(serviceBaseUri, fullUri))
{
throw new ODataException(Strings.UriQueryPathParser_RequestUriDoesNotHaveTheCorrectBaseUri(fullUri, serviceBaseUri));
}
try
{
Uri uri = fullUri;
int numberOfSegmentsToSkip = 0;
// Skip over the base URI segments
#if !ORCAS
// need to calculate the number of segments to skip in the full
// uri (so that we can skip over http://blah.com/basePath for example,
// get only the odata specific parts of the path).
//
// because of differences in system.uri between portable lib and
// the desktop library, we need to handle this differently.
// in this case we get the number of segments to skip as simply
// then number of tokens in the serviceBaseUri split on slash, with
// length - 1 since its a zero based array.
numberOfSegmentsToSkip = serviceBaseUri.AbsolutePath.Split('/').Length - 1;
string[] uriSegments = uri.AbsolutePath.Split('/');
#else
numberOfSegmentsToSkip = serviceBaseUri.Segments.Length;
string[] uriSegments = uri.Segments;
#endif
List <string> segments = new List <string>();
for (int i = numberOfSegmentsToSkip; i < uriSegments.Length; i++)
{
string segment = uriSegments[i];
if (segment.Length != 0 && segment != "/")
{
if (segment[segment.Length - 1] == '/')
{
segment = segment.Substring(0, segment.Length - 1);
}
if (segments.Count == this.maxSegments)
{
throw new ODataException(Strings.UriQueryPathParser_TooManySegments);
}
segments.Add(Uri.UnescapeDataString(segment));
}
}
return(segments.ToArray());
}
#if !ORCAS
catch (FormatException uriFormatException)
#else
catch (UriFormatException uriFormatException)
#endif
{
throw new ODataException(Strings.UriQueryPathParser_SyntaxError, uriFormatException);
}
}
/// <summary>
/// Returns list of segments in the specified path (eg: /abc/pqr -> abc, pqr).
/// </summary>
/// <param name="fullUri">The full URI of the request.</param>
/// <param name="serviceBaseUri">The service base URI for the request.</param>
/// <returns>List of unescaped segments.</returns>
public virtual ICollection <string> ParsePathIntoSegments(Uri fullUri, Uri serviceBaseUri)
{
if (serviceBaseUri == null)
{
Debug.Assert(!fullUri.IsAbsoluteUri, "fullUri must be relative Uri");
serviceBaseUri = UriUtils.CreateMockAbsoluteUri();
fullUri = UriUtils.CreateMockAbsoluteUri(fullUri);
}
if (!UriUtils.UriInvariantInsensitiveIsBaseOf(serviceBaseUri, fullUri))
{
throw new ODataException(Strings.UriQueryPathParser_RequestUriDoesNotHaveTheCorrectBaseUri(fullUri, serviceBaseUri));
}
// COMPAT 29: Slash in key lookup breaks URI parser
// TODO: The code below has a bug that / in the named values will be considered a segment separator
// so for example /Customers('abc/pqr') is treated as two segments, which is wrong.
try
{
Uri uri = fullUri;
int numberOfSegmentsToSkip = 0;
// Skip over the base URI segments
// need to calculate the number of segments to skip in the full
// uri (so that we can skip over http://blah.com/basePath for example,
// get only the odata specific parts of the path).
//
// because of differences in system.uri between portable lib and
// the desktop library, we need to handle this differently.
// in this case we get the number of segments to skip as simply
// then number of tokens in the serviceBaseUri split on slash, with
// length - 1 since its a zero based array.
numberOfSegmentsToSkip = serviceBaseUri.AbsolutePath.Split('/').Length - 1;
string[] uriSegments = uri.AbsolutePath.Split('/');
List <string> segments = new List <string>();
for (int i = numberOfSegmentsToSkip; i < uriSegments.Length; i++)
{
string segment = uriSegments[i];
// Skip the empty segment or the "/" segment
if (segment.Length == 0 || segment == "/")
{
continue;
}
// When we use "uri.Segments" to get the segments,
// The segment element includes the "/", we should remove that.
if (segment[segment.Length - 1] == '/')
{
segment = segment.Substring(0, segment.Length - 1);
}
if (segments.Count == this.maxSegments)
{
throw new ODataException(Strings.UriQueryPathParser_TooManySegments);
}
segments.Add(Uri.UnescapeDataString(segment));
}
return(segments.ToArray());
}
catch (FormatException uriFormatException)
{
throw new ODataException(Strings.UriQueryPathParser_SyntaxError, uriFormatException);
}
}
