public async Task <IHttpActionResult> Get(
ODataQueryOptions <V2FeedPackage> options,
[FromUri] string semVerLevel = null)
{
// Setup the search
var packages = GetAll()
.Where(p => p.PackageStatusKey == PackageStatus.Available)
.Where(SemVerLevelKey.IsPackageCompliantWithSemVerLevelPredicate(semVerLevel))
.WithoutSortOnColumn(Version)
.WithoutSortOnColumn(Id, ShouldIgnoreOrderById(options))
.InterceptWith(new NormalizeVersionInterceptor());
var semVerLevelKey = SemVerLevelKey.ForSemVerLevel(semVerLevel);
bool?customQuery = null;
// Try the search service
try
{
var searchService = _searchServiceFactory.GetService();
HijackableQueryParameters hijackableQueryParameters = null;
if (searchService is ExternalSearchService && SearchHijacker.IsHijackable(options, out hijackableQueryParameters))
{
var searchAdaptorResult = await SearchAdaptor.FindByIdAndVersionCore(
searchService,
GetTraditionalHttpContext().Request,
packages,
hijackableQueryParameters.Id,
hijackableQueryParameters.Version,
semVerLevel : semVerLevel);
// If intercepted, create a paged queryresult
if (searchAdaptorResult.ResultsAreProvidedBySearchService)
{
customQuery = false;
// Packages provided by search service
packages = searchAdaptorResult.Packages;
// Add explicit Take() needed to limit search hijack result set size if $top is specified
var totalHits = packages.LongCount();
var pagedQueryable = packages
.Take(options.Top != null ? Math.Min(options.Top.Value, MaxPageSize) : MaxPageSize)
.ToV2FeedPackageQuery(
GetSiteRoot(),
_configurationService.Features.FriendlyLicenses,
semVerLevelKey);
return(TrackedQueryResult(
options,
pagedQueryable,
MaxPageSize,
totalHits,
(o, s, resultCount) => SearchAdaptor.GetNextLink(Request.RequestUri, resultCount, null, o, s, semVerLevelKey),
customQuery));
}
else
{
customQuery = true;
}
}
else
{
customQuery = true;
}
}
catch (Exception ex)
{
// Swallowing Exception intentionally. If *anything* goes wrong in search, just fall back to the database.
// We don't want to break package restores. We do want to know if this happens, so here goes:
QuietLog.LogHandledException(ex);
}
// Reject only when try to reach database.
if (!ODataQueryVerifier.AreODataOptionsAllowed(options, ODataQueryVerifier.V2Packages,
_configurationService.Current.IsODataFilterEnabled, nameof(Get)))
{
return(BadRequest(ODataQueryVerifier.GetValidationFailedMessage(options)));
}
var queryable = packages.ToV2FeedPackageQuery(
GetSiteRoot(),
_configurationService.Features.FriendlyLicenses,
semVerLevelKey);
return(TrackedQueryResult(options, queryable, MaxPageSize, customQuery));
}
private async Task <IHttpActionResult> GetCore(
ODataQueryOptions <V2FeedPackage> options,
string id,
string version,
string semVerLevel,
bool return404NotFoundWhenNoResults)
{
var packages = GetAll()
.Include(p => p.PackageRegistration)
.Where(p => p.PackageStatusKey == PackageStatus.Available &&
p.PackageRegistration.Id.Equals(id, StringComparison.OrdinalIgnoreCase))
.Where(SemVerLevelKey.IsPackageCompliantWithSemVerLevelPredicate(semVerLevel));
if (!string.IsNullOrEmpty(version))
{
NuGetVersion nugetVersion;
if (NuGetVersion.TryParse(version, out nugetVersion))
{
// Our APIs expect to receive normalized version strings.
// We need to compare normalized versions or we can never retrieve SemVer2 package versions.
var normalizedString = nugetVersion.ToNormalizedString();
packages = packages.Where(p => p.NormalizedVersion == normalizedString);
}
}
var semVerLevelKey = SemVerLevelKey.ForSemVerLevel(semVerLevel);
bool?customQuery = null;
// try the search service
try
{
var searchService = _searchServiceFactory.GetService();
var searchAdaptorResult = await SearchAdaptor.FindByIdAndVersionCore(
searchService,
GetTraditionalHttpContext().Request,
packages,
id,
version,
semVerLevel : semVerLevel);
// If intercepted, create a paged queryresult
if (searchAdaptorResult.ResultsAreProvidedBySearchService)
{
customQuery = false;
// Packages provided by search service
packages = searchAdaptorResult.Packages;
// Add explicit Take() needed to limit search hijack result set size if $top is specified
var totalHits = packages.LongCount();
if (totalHits == 0 && return404NotFoundWhenNoResults)
{
_telemetryService.TrackODataCustomQuery(customQuery);
return(NotFound());
}
var pagedQueryable = packages
.Take(options.Top != null ? Math.Min(options.Top.Value, MaxPageSize) : MaxPageSize)
.ToV2FeedPackageQuery(
GetSiteRoot(),
_configurationService.Features.FriendlyLicenses,
semVerLevelKey);
return(TrackedQueryResult(
options,
pagedQueryable,
MaxPageSize,
totalHits,
(o, s, resultCount) => SearchAdaptor.GetNextLink(Request.RequestUri, resultCount, new { id }, o, s, semVerLevelKey),
customQuery));
}
else
{
customQuery = true;
}
}
catch (Exception ex)
{
// Swallowing Exception intentionally. If *anything* goes wrong in search, just fall back to the database.
// We don't want to break package restores. We do want to know if this happens, so here goes:
QuietLog.LogHandledException(ex);
}
if (return404NotFoundWhenNoResults && !packages.Any())
{
_telemetryService.TrackODataCustomQuery(customQuery);
return(NotFound());
}
var queryable = packages.ToV2FeedPackageQuery(
GetSiteRoot(),
_configurationService.Features.FriendlyLicenses,
semVerLevelKey);
return(TrackedQueryResult(options, queryable, MaxPageSize, customQuery));
}
private async Task <IHttpActionResult> GetCore(ODataQueryOptions <V1FeedPackage> options, string id, string version, bool return404NotFoundWhenNoResults)
{
var packages = _packagesRepository.GetAll()
.Include(p => p.PackageRegistration)
.Where(p => p.PackageRegistration.Id.Equals(id, StringComparison.OrdinalIgnoreCase) &&
!p.IsPrerelease &&
p.PackageStatusKey == PackageStatus.Available)
.Where(SemVerLevelKey.IsUnknownPredicate());
if (!string.IsNullOrEmpty(version))
{
packages = packages.Where(p => p.Version == version);
}
bool?customQuery = null;
// try the search service
try
{
var searchAdaptorResult = await SearchAdaptor.FindByIdAndVersionCore(
_searchService,
GetTraditionalHttpContext().Request,
packages,
id,
version,
semVerLevel : null);
// If intercepted, create a paged queryresult
if (searchAdaptorResult.ResultsAreProvidedBySearchService)
{
customQuery = false;
// Packages provided by search service
packages = searchAdaptorResult.Packages;
// Add explicit Take() needed to limit search hijack result set size if $top is specified
var totalHits = packages.LongCount();
if (return404NotFoundWhenNoResults && totalHits == 0)
{
_telemetryService.TrackODataCustomQuery(customQuery);
return(NotFound());
}
var pagedQueryable = packages
.Take(options.Top != null ? Math.Min(options.Top.Value, MaxPageSize) : MaxPageSize)
.ToV1FeedPackageQuery(GetSiteRoot());
return(TrackedQueryResult(
options,
pagedQueryable,
MaxPageSize,
totalHits,
(o, s, resultCount) => SearchAdaptor.GetNextLink(Request.RequestUri, resultCount, new { id }, o, s),
customQuery));
}
else
{
customQuery = true;
}
}
catch (Exception ex)
{
// Swallowing Exception intentionally. If *anything* goes wrong in search, just fall back to the database.
// We don't want to break package restores. We do want to know if this happens, so here goes:
QuietLog.LogHandledException(ex);
}
if (return404NotFoundWhenNoResults && !packages.Any())
{
_telemetryService.TrackODataCustomQuery(customQuery);
return(NotFound());
}
var queryable = packages.ToV1FeedPackageQuery(GetSiteRoot());
return(TrackedQueryResult(options, queryable, MaxPageSize, customQuery));
}
private async Task <IHttpActionResult> GetCoreAsync(
ODataQueryOptions <V2FeedPackage> options,
string id,
string version,
string semVerLevel,
bool allowHijack,
bool return404NotFoundWhenNoResults,
bool isNonHijackEnabled)
{
var packages = GetAll()
.Include(p => p.PackageRegistration)
.Where(p => p.PackageStatusKey == PackageStatus.Available &&
p.PackageRegistration.Id.Equals(id, StringComparison.OrdinalIgnoreCase))
.Where(SemVerLevelKey.IsPackageCompliantWithSemVerLevelPredicate(semVerLevel));
if (!string.IsNullOrEmpty(version))
{
NuGetVersion nugetVersion;
if (NuGetVersion.TryParse(version, out nugetVersion))
{
// Our APIs expect to receive normalized version strings.
// We need to compare normalized versions or we can never retrieve SemVer2 package versions.
var normalizedString = nugetVersion.ToNormalizedString();
packages = packages.Where(p => p.NormalizedVersion == normalizedString);
}
}
var semVerLevelKey = SemVerLevelKey.ForSemVerLevel(semVerLevel);
bool?customQuery = null;
if (allowHijack)
{
// try the search service
try
{
var searchService = _searchServiceFactory.GetService();
var searchAdaptorResult = await SearchAdaptor.FindByIdAndVersionCore(
searchService,
GetTraditionalHttpContext().Request,
packages,
id,
version,
semVerLevel : semVerLevel);
// If intercepted, create a paged queryresult
if (searchAdaptorResult.ResultsAreProvidedBySearchService)
{
customQuery = false;
// Packages provided by search service
packages = searchAdaptorResult.Packages;
// Add explicit Take() needed to limit search hijack result set size if $top is specified
var totalHits = packages.LongCount();
if (totalHits == 0 && return404NotFoundWhenNoResults)
{
_telemetryService.TrackODataCustomQuery(customQuery);
return(NotFound());
}
var pagedQueryable = packages
.Take(options.Top != null ? Math.Min(options.Top.Value, MaxPageSize) : MaxPageSize)
.ToV2FeedPackageQuery(
GetSiteRoot(),
_configurationService.Features.FriendlyLicenses,
semVerLevelKey);
return(TrackedQueryResult(
options,
pagedQueryable,
MaxPageSize,
totalHits,
(o, s, resultCount) => SearchAdaptor.GetNextLink(Request.RequestUri, resultCount, new { id }, o, s, semVerLevelKey),
customQuery));
}
else
{
customQuery = true;
}
}
catch (Exception ex)
{
// Swallowing Exception intentionally. If *anything* goes wrong in search, just fall back to the database.
// We don't want to break package restores. We do want to know if this happens, so here goes:
QuietLog.LogHandledException(ex);
}
}
// When non-hijacked queries are disabled, allow only one non-hijacked pattern: query for a specific ID and
// version without any fancy OData options. This enables some monitoring and testing and is known to produce
// a very fast SQL query based on an optimized index.
var isSimpleLookup = !string.IsNullOrWhiteSpace(id) &&
!string.IsNullOrWhiteSpace(version) &&
options.RawValues.Expand == null &&
options.RawValues.Filter == null &&
options.RawValues.Format == null &&
options.RawValues.InlineCount == null &&
options.RawValues.OrderBy == null &&
options.RawValues.Select == null &&
options.RawValues.Skip == null &&
options.RawValues.SkipToken == null &&
options.RawValues.Top == null;
if (!allowHijack || !isNonHijackEnabled)
{
if (!isSimpleLookup)
{
return(DeprecatedRequest(Strings.ODataParametersDisabled));
}
customQuery = true;
}
if (return404NotFoundWhenNoResults && !packages.Any())
{
_telemetryService.TrackODataCustomQuery(customQuery);
return(NotFound());
}
var queryable = packages.ToV2FeedPackageQuery(
GetSiteRoot(),
_configurationService.Features.FriendlyLicenses,
semVerLevelKey);
return(TrackedQueryResult(options, queryable, MaxPageSize, customQuery));
}
private async Task <IHttpActionResult> GetCore(ODataQueryOptions <V2FeedPackage> options, string curatedFeedName, string id, string version, bool return404NotFoundWhenNoResults)
{
var curatedFeed = _entities.CuratedFeeds.FirstOrDefault(cf => cf.Name == curatedFeedName);
if (curatedFeed == null)
{
return(NotFound());
}
var packages = _curatedFeedService.GetPackages(curatedFeedName)
.Where(p => p.PackageRegistration.Id.Equals(id, StringComparison.OrdinalIgnoreCase));
if (!string.IsNullOrEmpty(version))
{
packages = packages.Where(p => p.Version == version);
}
// try the search service
try
{
var searchAdaptorResult = await SearchAdaptor.FindByIdAndVersionCore(
_searchService, GetTraditionalHttpContext().Request, packages, id, version, curatedFeed : curatedFeed);
// If intercepted, create a paged queryresult
if (searchAdaptorResult.ResultsAreProvidedBySearchService)
{
// Packages provided by search service
packages = searchAdaptorResult.Packages;
// Add explicit Take() needed to limit search hijack result set size if $top is specified
var totalHits = packages.LongCount();
if (return404NotFoundWhenNoResults && totalHits == 0)
{
return(NotFound());
}
var pagedQueryable = packages
.Take(options.Top != null ? Math.Min(options.Top.Value, MaxPageSize) : MaxPageSize)
.ToV2FeedPackageQuery(GetSiteRoot(), _configurationService.Features.FriendlyLicenses);
return(QueryResult(options, pagedQueryable, MaxPageSize, totalHits, (o, s, resultCount) =>
SearchAdaptor.GetNextLink(Request.RequestUri, resultCount, new { id }, o, s)));
}
}
catch (Exception ex)
{
// Swallowing Exception intentionally. If *anything* goes wrong in search, just fall back to the database.
// We don't want to break package restores. We do want to know if this happens, so here goes:
QuietLog.LogHandledException(ex);
}
if (return404NotFoundWhenNoResults && !packages.Any())
{
return(NotFound());
}
var queryable = packages.ToV2FeedPackageQuery(GetSiteRoot(), _configurationService.Features.FriendlyLicenses);
return(QueryResult(options, queryable, MaxPageSize));
}
