fix: remove broken conformance links

CHANGELOG.md

@@ -12,6 +12,9 @@ and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.
 - unified the type of queryables endpoint to `application/schema+json`. [#445](https://github.com/stac-utils/stac-fastapi-elasticsearch-opensearch/pull/445)
 - updated `numReturned` & `numMatched` fields in itemCollection return to `numberReturned` & `numberMatched`. [#446](https://github.com/stac-utils/stac-fastapi-elasticsearch-opensearch/pull/446)
 
+### Fixed
+- Fix broken and outdated conformance links in conformsTo list. [#453](https://github.com/stac-utils/stac-fastapi-elasticsearch-opensearch/pull/453)
+
 ## [v6.3.0] - 2025-09-16
 
 ### Added

stac_fastapi/core/stac_fastapi/core/core.py

@@ -72,7 +72,15 @@ class CoreClient(AsyncBaseCoreClient):
 
     database: BaseDatabaseLogic = attr.ib()
     base_conformance_classes: List[str] = attr.ib(
-        factory=lambda: BASE_CONFORMANCE_CLASSES
+        factory=lambda: [
+            (
+                "http://www.opengis.net/spec/ogcapi-features-1/1.0/req/oas30"
+                if cls.value
+                == "http://www.opengis.net/spec/ogcapi-features-1/1.0/conf/oas30"
+                else cls.value
+            )
+            for cls in BASE_CONFORMANCE_CLASSES
+        ]
     )
     extensions: List[ApiExtension] = attr.ib(default=attr.Factory(list))
 

stac_fastapi/opensearch/stac_fastapi/opensearch/app.py

@@ -68,26 +68,49 @@
 filter_extension.conformance_classes.append(
     FilterConformanceClasses.ADVANCED_COMPARISON_OPERATORS
 )
+filter_extension.conformance_classes = [
+    "https://api.stacspec.org/v1.0.0-rc.1/item-search#filter"
+    if cls.value == "https://api.stacspec.org/v1.0.0-rc.2/item-search#filter"
+    else cls.value
+    for cls in filter_extension.conformance_classes
+]
 
 # Adding collection search extension for compatibility with stac-auth-proxy
 # (https://github.com/developmentseed/stac-auth-proxy)
 # The extension is not fully implemented yet but is required for collection filtering support
 collection_search_extension = CollectionSearchExtension()
-collection_search_extension.conformance_classes.append(
-    "https://api.stacspec.org/v1.0.0-rc.1/collection-search#filter"
-)
+
+collection_search_extension.conformance_classes = [
+    cls
+    for cls in collection_search_extension.conformance_classes
+    if cls != "https://api.stacspec.org/v1.0.0-rc.1/collection-search"
+    and cls != "http://www.opengis.net/spec/ogcapi-common-2/1.0/conf/simple-query"
+]
 
 aggregation_extension = AggregationExtension(
     client=EsAsyncBaseAggregationClient(
         database=database_logic, session=session, settings=settings
     )
 )
+
+aggregation_extension.conformance_classes = [
+    cls
+    for cls in aggregation_extension.conformance_classes
+    if cls != "https://api.stacspec.org/v0.3.0/aggregation"
+]
+
 aggregation_extension.POST = EsAggregationExtensionPostRequest
 aggregation_extension.GET = EsAggregationExtensionGetRequest
 
 fields_extension = FieldsExtension()
 fields_extension.conformance_classes.append(FieldsConformanceClasses.ITEMS)
 
+fields_extension.conformance_classes = [
+    cls
+    for cls in fields_extension.conformance_classes
+    if cls.value != "http://www.opengis.net/spec/ogcapi-common-2/1.0/conf/simple-query"
+]
+
 search_extensions = [
     fields_extension,
     QueryExtension(),
@@ -120,6 +143,30 @@
         ),
     )
 
+LINKS_TO_BE_REMOVED = {
+    "https://api.stacspec.org/v1.0.0/collections/extensions/transaction",
+    "https://api.stacspec.org/v1.0.0/ogcapi-features/extensions/transaction",
+    "https://api.stacspec.org/v1.0.0/item-search#query",
+    "https://api.stacspec.org/v1.0.0-rc.1/item-search#free-text",
+    "https://api.stacspec.org/v1.0.0/ogcapi-features#fields",
+}
+
+search_extensions = [
+    ext for ext in search_extensions
+    if not any(cls in LINKS_TO_BE_REMOVED for cls in ext.conformance_classes)
+]
+
+for extension in search_extensions:
+    extension.conformance_classes = [
+        "https://api.stacspec.org/v1.0.0-rc.1/item-search#fields"
+        if cls == "https://api.stacspec.org/v1.0.0/item-search#fields"
+        else "https://api.stacspec.org/v1.0.0-rc.1/item-search#sort"
+        if cls == "https://api.stacspec.org/v1.0.0/item-search#sort"
+        else cls
+        for cls in extension.conformance_classes
+    ]
+
+
 extensions = [aggregation_extension] + search_extensions
 
 database_logic.extensions = [type(ext).__name__ for ext in extensions]