Add compatibility with xmlsec 1.3

.pre-commit-config.yaml

@@ -31,7 +31,7 @@ repos:
         exclude: ^setup.py$
         additional_dependencies: [flake8-docstrings, flake8-bugbear, flake8-logging-format, flake8-builtins, flake8-eradicate, flake8-fixme, pep8-naming, flake8-pep3101, flake8-annotations-complexity,flake8-pyi]
 -   repo: https://github.com/PyCQA/isort
-    rev: 5.10.1
+    rev: 5.12.0
     hooks:
     -   id: isort
 -   repo: https://github.com/pre-commit/mirrors-mypy

doc/source/modules/constants.rst

@@ -166,12 +166,6 @@ Namespaces
 .. data:: xmlsec.constants.XPointerNs
    :annotation: = 'http://www.w3.org/2001/04/xmldsig-more/xptr'
 
-.. data:: xmlsec.constants.Soap11Ns
-   :annotation: = 'http://schemas.xmlsoap.org/soap/envelope/'
-
-.. data:: xmlsec.constants.Soap12Ns
-   :annotation: = 'http://www.w3.org/2002/06/soap-envelope'
-
 .. data:: xmlsec.constants.NsExcC14N
    :annotation: = 'http://www.w3.org/2001/10/xml-exc-c14n#'
 

src/constants.c

@@ -316,8 +316,6 @@ int PyXmlSec_ConstantsModule_Init(PyObject* package) {
     PYXMLSEC_ADD_NS_CONSTANT(XPathNs, "XPATH");
     PYXMLSEC_ADD_NS_CONSTANT(XPath2Ns, "XPATH2");
     PYXMLSEC_ADD_NS_CONSTANT(XPointerNs, "XPOINTER");
-    PYXMLSEC_ADD_NS_CONSTANT(Soap11Ns, "SOAP11");
-    PYXMLSEC_ADD_NS_CONSTANT(Soap12Ns, "SOAP12");
     PYXMLSEC_ADD_NS_CONSTANT(NsExcC14N, "EXC_C14N");
     PYXMLSEC_ADD_NS_CONSTANT(NsExcC14NWithComments, "EXC_C14N_WITH_COMMENT");
 

src/enc.c

@@ -17,6 +17,11 @@
 #include <xmlsec/xmlenc.h>
 #include <xmlsec/xmltree.h>
 
+// Backwards compatibility with xmlsec 1.2
+#ifndef XMLSEC_KEYINFO_FLAGS_LAX_KEY_SEARCH
+#define XMLSEC_KEYINFO_FLAGS_LAX_KEY_SEARCH 0x00008000
+#endif
+
 typedef struct {
     PyObject_HEAD
     xmlSecEncCtxPtr handle;
@@ -50,6 +55,13 @@ static int PyXmlSec_EncryptionContext__init__(PyObject* self, PyObject* args, Py
     }
     ctx->manager = manager;
     PYXMLSEC_DEBUGF("%p: init enc context - ok, manager - %p", self, manager);
+
+    // xmlsec 1.3 changed the key search to strict mode, causing various examples
+    // in the docs to fail. For backwards compatibility, this changes it back to
+    // lax mode for now.
+    ctx->handle->keyInfoReadCtx.flags = XMLSEC_KEYINFO_FLAGS_LAX_KEY_SEARCH;
+    ctx->handle->keyInfoWriteCtx.flags = XMLSEC_KEYINFO_FLAGS_LAX_KEY_SEARCH;
+
     return 0;
 ON_FAIL:
     PYXMLSEC_DEBUGF("%p: init enc context - failed", self);

src/xmlsec/constants.pyi

@@ -85,8 +85,6 @@ NodeX509Data: Final[str]
 Ns: Final[str]
 NsExcC14N: Final[str]
 NsExcC14NWithComments: Final[str]
-Soap11Ns: Final[str]
-Soap12Ns: Final[str]
 TransformAes128Cbc: Final[__Transform]
 TransformAes128Gcm: Final[__Transform]
 TransformAes192Cbc: Final[__Transform]