| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You under the Apache License, Version 2.0 |
| * (the "License"); you may not use this file except in compliance with |
| * the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #include <stdio.h> |
| #include <axis2_util.h> |
| #include <oxs_constants.h> |
| #include <oxs_error.h> |
| #include <oxs_buffer.h> |
| #include <oxs_transform.h> |
| #include <oxs_transforms_factory.h> |
| #include <oxs_buffer.h> |
| #include <oxs_c14n.h> |
| #include <oxs_saml_token.h> |
| #include <axiom_util.h> |
| |
| /*Functions that implements transforms*/ |
| oxs_tr_dtype_t AXIS2_CALL |
| oxs_transforms_exc_c14n(const axutil_env_t *env, |
| axiom_node_t *input, |
| oxs_tr_dtype_t input_dtype, |
| axis2_char_t **output) |
| { |
| axiom_document_t *doc = NULL; |
| axis2_char_t *algo = NULL; |
| axis2_char_t *c14nized = NULL; |
| oxs_tr_dtype_t output_dtype = OXS_TRANSFORM_TYPE_UNKNOWN; |
| |
| if(input_dtype != OXS_TRANSFORM_TYPE_NODE){ |
| oxs_error(env, OXS_ERROR_LOCATION, OXS_ERROR_TRANSFORM_FAILED,"Transform expects a NODE."); |
| return OXS_TRANSFORM_TYPE_UNKNOWN; |
| } |
| |
| doc = axiom_node_get_document(input, env); |
| algo = OXS_HREF_TRANSFORM_XML_EXC_C14N; |
| oxs_c14n_apply_algo(env, doc, &c14nized, NULL, input, algo); |
| AXIS2_LOG_DEBUG(env->log, AXIS2_LOG_SI, "[rampart][c14n-OutPut] is\n\n%s\n\n",c14nized); |
| *output= c14nized; |
| output_dtype = OXS_TRANSFORM_TYPE_CHAR; |
| return output_dtype; |
| } |
| |
| oxs_tr_dtype_t AXIS2_CALL |
| oxs_transforms_enveloped_xmldsig(const axutil_env_t *env, |
| axiom_node_t *input, |
| oxs_tr_dtype_t input_dtype, |
| void **output) |
| { |
| axiom_node_t *sig_node = NULL, *child_node = NULL; |
| |
| if(input_dtype != OXS_TRANSFORM_TYPE_NODE){ |
| oxs_error(env, OXS_ERROR_LOCATION, OXS_ERROR_TRANSFORM_FAILED, "Transform expects a NODE."); |
| return OXS_TRANSFORM_TYPE_UNKNOWN; |
| } |
| child_node = axiom_node_get_first_element(input, env); |
| while(child_node) |
| { |
| axis2_char_t *node_local_name = NULL; |
| node_local_name = axiom_util_get_localname(child_node, env); |
| if(!(axutil_strcmp(node_local_name, OXS_NODE_SIGNATURE))) |
| { |
| sig_node = axiom_node_detach(child_node, env); |
| break; |
| } |
| child_node = axiom_node_get_next_sibling(child_node, env); |
| } |
| |
| if (sig_node) |
| { |
| axutil_array_list_t *out = axutil_array_list_create(env, 2); |
| if (out) |
| { |
| axutil_array_list_add(out, env, input); |
| axutil_array_list_add(out, env, sig_node); |
| *output = out; |
| return OXS_TRANSFORM_TYPE_NODE_ARRAY_LIST; |
| } |
| axiom_node_add_child(input, env, sig_node); |
| } |
| return OXS_TRANSFORM_TYPE_UNKNOWN; |
| } |
| |
| oxs_tr_dtype_t AXIS2_CALL |
| oxs_transforms_STR(const axutil_env_t *env, |
| axiom_node_t *input, |
| oxs_tr_dtype_t input_dtype, |
| void **output) |
| { |
| axiom_document_t *doc = NULL; |
| axis2_char_t *algo = NULL; |
| axis2_char_t *c14nized = NULL; |
| oxs_tr_dtype_t output_dtype = OXS_TRANSFORM_TYPE_UNKNOWN; |
| |
| axiom_node_t *cn = NULL, *node = NULL; |
| axiom_element_t *stre = NULL, *ce = NULL; |
| axiom_child_element_iterator_t *it = NULL; |
| axutil_qname_t *qname = NULL, *key_qname = NULL, *embeded_qname = NULL; |
| |
| embeded_qname = axutil_qname_create(env, OXS_NODE_EMBEDDED, OXS_WSSE_XMLNS, NULL); |
| key_qname = axutil_qname_create(env, OXS_NODE_KEY_IDENTIFIER, OXS_WSSE_XMLNS, NULL); |
| |
| if (!embeded_qname || !key_qname) |
| { |
| if(embeded_qname) |
| axutil_qname_free(embeded_qname, env); |
| if(key_qname) |
| axutil_qname_free(key_qname, env); |
| return OXS_TRANSFORM_TYPE_UNKNOWN; |
| } |
| |
| stre = axiom_node_get_data_element(input, env); |
| it = axiom_element_get_child_elements(stre, env, input); |
| if (it) |
| { |
| while (AXIS2_TRUE == axiom_child_element_iterator_has_next(it, env)) |
| { |
| axis2_char_t *attr_val = NULL; |
| cn = axiom_child_element_iterator_next(it, env); |
| ce = axiom_node_get_data_element(cn, env); |
| /* At the moment we are supporting only saml token references */ |
| attr_val = axiom_element_get_attribute_value_by_name(ce, env, OXS_ATTR_VALUE_TYPE); |
| if (attr_val && 0 == axutil_strcmp(OXS_ST_KEY_ID_VALUE_TYPE, attr_val)) |
| { |
| qname = axiom_element_get_qname(ce, env, cn); |
| if (axutil_qname_equals(qname, env, key_qname) == AXIS2_TRUE) |
| { |
| node = oxs_saml_token_get_from_key_identifer_reference(env, cn, NULL); |
| break; |
| } |
| else if (axutil_qname_equals(qname, env, embeded_qname) == AXIS2_TRUE) |
| { |
| node = oxs_saml_token_get_from_embeded_reference(env, cn); |
| break; |
| } |
| else |
| { |
| axutil_qname_free(embeded_qname, env); |
| axutil_qname_free(key_qname, env); |
| oxs_error(env, OXS_ERROR_LOCATION, OXS_ERROR_TRANSFORM_FAILED, "Unrecognized reference type NODE."); |
| return OXS_TRANSFORM_TYPE_UNKNOWN; |
| } |
| } |
| } |
| } |
| |
| axutil_qname_free(embeded_qname, env); |
| axutil_qname_free(key_qname, env); |
| if (node) |
| { |
| doc = axiom_node_get_document(node, env); |
| algo = OXS_HREF_TRANSFORM_XML_EXC_C14N; |
| oxs_c14n_apply_algo(env, doc, &c14nized, NULL, node, algo); |
| *output= c14nized; |
| output_dtype = OXS_TRANSFORM_TYPE_CHAR; |
| return output_dtype; |
| } |
| *output = NULL; |
| oxs_error(env, OXS_ERROR_LOCATION, OXS_ERROR_TRANSFORM_FAILED, "Referenced node couln't be found in the specifed scope."); |
| return OXS_TRANSFORM_TYPE_UNKNOWN; |
| } |
| |
| /*Public functions*/ |
| AXIS2_EXTERN oxs_transform_t *AXIS2_CALL |
| oxs_transforms_factory_produce_transform(const axutil_env_t *env, |
| axis2_char_t *id) |
| { |
| oxs_transform_t *tr = NULL; |
| |
| /*Inspect the id and produce a transform*/ |
| if(0 == axutil_strcmp(id, OXS_HREF_TRANSFORM_XML_EXC_C14N)){ |
| tr = oxs_transform_create(env); |
| oxs_transform_set_id(tr, env, id); |
| oxs_transform_set_input_data_type(tr, env, OXS_TRANSFORM_TYPE_NODE); |
| oxs_transform_set_output_data_type(tr, env, OXS_TRANSFORM_TYPE_CHAR); |
| oxs_transform_set_transform_func(tr, env, (oxs_transform_tr_func)oxs_transforms_exc_c14n); |
| return tr; |
| |
| }else if(0 == axutil_strcmp(id, OXS_HREF_TRANSFORM_ENVELOPED_SIGNATURE)){ |
| tr = oxs_transform_create(env); |
| oxs_transform_set_id(tr, env, id); |
| oxs_transform_set_input_data_type(tr, env, OXS_TRANSFORM_TYPE_NODE); |
| oxs_transform_set_output_data_type(tr, env, OXS_TRANSFORM_TYPE_NODE_ARRAY_LIST); |
| oxs_transform_set_transform_func(tr, env, (oxs_transform_tr_func)oxs_transforms_enveloped_xmldsig); |
| return tr; |
| |
| }else if (0 == axutil_strcmp(id, OXS_HREF_TRANSFORM_STR_TRANSFORM)) { |
| tr = oxs_transform_create(env); |
| oxs_transform_set_id(tr, env, id); |
| oxs_transform_set_input_data_type(tr, env, OXS_TRANSFORM_TYPE_NODE); |
| oxs_transform_set_output_data_type(tr, env, OXS_TRANSFORM_TYPE_NODE); |
| oxs_transform_set_transform_func(tr, env, (oxs_transform_tr_func)oxs_transforms_STR); |
| return tr; |
| } |
| else |
| return NULL; |
| } |
| |
| |