| /* |
| * |
| * Copyright 2015, Google Inc. |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions are |
| * met: |
| * |
| * * Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * * Redistributions in binary form must reproduce the above |
| * copyright notice, this list of conditions and the following disclaimer |
| * in the documentation and/or other materials provided with the |
| * distribution. |
| * * Neither the name of Google Inc. nor the names of its |
| * contributors may be used to endorse or promote products derived from |
| * this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| * |
| */ |
| |
| #include "channel_credentials.h" |
| #include "call_credentials.h" |
| |
| #ifdef HAVE_CONFIG_H |
| #include "config.h" |
| #endif |
| |
| #include <php.h> |
| #include <php_ini.h> |
| #include <ext/standard/info.h> |
| #include <ext/spl/spl_exceptions.h> |
| #include "php_grpc.h" |
| #include "call.h" |
| |
| #include <zend_exceptions.h> |
| #include <zend_hash.h> |
| |
| #include <grpc/grpc.h> |
| #include <grpc/grpc_security.h> |
| |
| zend_class_entry *grpc_ce_call_credentials; |
| #if PHP_MAJOR_VERSION >= 7 |
| static zend_object_handlers call_credentials_ce_handlers; |
| #endif |
| |
| /* Frees and destroys an instance of wrapped_grpc_call_credentials */ |
| PHP_GRPC_FREE_WRAPPED_FUNC_START(wrapped_grpc_call_credentials) |
| if (p->wrapped != NULL) { |
| grpc_call_credentials_release(p->wrapped); |
| } |
| PHP_GRPC_FREE_WRAPPED_FUNC_END() |
| |
| /* Initializes an instance of wrapped_grpc_call_credentials to be |
| * associated with an object of a class specified by class_type */ |
| php_grpc_zend_object create_wrapped_grpc_call_credentials( |
| zend_class_entry *class_type TSRMLS_DC) { |
| PHP_GRPC_ALLOC_CLASS_OBJECT(wrapped_grpc_call_credentials); |
| zend_object_std_init(&intern->std, class_type TSRMLS_CC); |
| object_properties_init(&intern->std, class_type); |
| PHP_GRPC_FREE_CLASS_OBJECT(wrapped_grpc_call_credentials, |
| call_credentials_ce_handlers); |
| } |
| |
| zval *grpc_php_wrap_call_credentials(grpc_call_credentials |
| *wrapped TSRMLS_DC) { |
| zval *credentials_object; |
| PHP_GRPC_MAKE_STD_ZVAL(credentials_object); |
| object_init_ex(credentials_object, grpc_ce_call_credentials); |
| wrapped_grpc_call_credentials *credentials = |
| Z_WRAPPED_GRPC_CALL_CREDS_P(credentials_object); |
| credentials->wrapped = wrapped; |
| return credentials_object; |
| } |
| |
| /** |
| * Create composite credentials from two existing credentials. |
| * @param CallCredentials $cred1_obj The first credential |
| * @param CallCredentials $cred2_obj The second credential |
| * @return CallCredentials The new composite credentials object |
| */ |
| PHP_METHOD(CallCredentials, createComposite) { |
| zval *cred1_obj; |
| zval *cred2_obj; |
| |
| /* "OO" == 2 Objects */ |
| if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "OO", &cred1_obj, |
| grpc_ce_call_credentials, &cred2_obj, |
| grpc_ce_call_credentials) == FAILURE) { |
| zend_throw_exception(spl_ce_InvalidArgumentException, |
| "createComposite expects 2 CallCredentials", |
| 1 TSRMLS_CC); |
| return; |
| } |
| wrapped_grpc_call_credentials *cred1 = |
| Z_WRAPPED_GRPC_CALL_CREDS_P(cred1_obj); |
| wrapped_grpc_call_credentials *cred2 = |
| Z_WRAPPED_GRPC_CALL_CREDS_P(cred2_obj); |
| grpc_call_credentials *creds = |
| grpc_composite_call_credentials_create(cred1->wrapped, cred2->wrapped, |
| NULL); |
| zval *creds_object = grpc_php_wrap_call_credentials(creds TSRMLS_CC); |
| RETURN_DESTROY_ZVAL(creds_object); |
| } |
| |
| /** |
| * Create a call credentials object from the plugin API |
| * @param function $fci The callback function |
| * @return CallCredentials The new call credentials object |
| */ |
| PHP_METHOD(CallCredentials, createFromPlugin) { |
| zend_fcall_info *fci; |
| zend_fcall_info_cache *fci_cache; |
| |
| fci = (zend_fcall_info *)emalloc(sizeof(zend_fcall_info)); |
| fci_cache = (zend_fcall_info_cache *)emalloc(sizeof(zend_fcall_info_cache)); |
| memset(fci, 0, sizeof(zend_fcall_info)); |
| memset(fci_cache, 0, sizeof(zend_fcall_info_cache)); |
| |
| /* "f" == 1 function */ |
| if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "f*", fci, fci_cache, |
| fci->params, fci->param_count) == FAILURE) { |
| zend_throw_exception(spl_ce_InvalidArgumentException, |
| "createFromPlugin expects 1 callback", 1 TSRMLS_CC); |
| return; |
| } |
| |
| plugin_state *state; |
| state = (plugin_state *)emalloc(sizeof(plugin_state)); |
| memset(state, 0, sizeof(plugin_state)); |
| |
| /* save the user provided PHP callback function */ |
| state->fci = fci; |
| state->fci_cache = fci_cache; |
| |
| grpc_metadata_credentials_plugin plugin; |
| plugin.get_metadata = plugin_get_metadata; |
| plugin.destroy = plugin_destroy_state; |
| plugin.state = (void *)state; |
| plugin.type = ""; |
| |
| grpc_call_credentials *creds = |
| grpc_metadata_credentials_create_from_plugin(plugin, NULL); |
| zval *creds_object = grpc_php_wrap_call_credentials(creds TSRMLS_CC); |
| RETURN_DESTROY_ZVAL(creds_object); |
| } |
| |
| /* Callback function for plugin creds API */ |
| void plugin_get_metadata(void *ptr, grpc_auth_metadata_context context, |
| grpc_credentials_plugin_metadata_cb cb, |
| void *user_data) { |
| TSRMLS_FETCH(); |
| |
| plugin_state *state = (plugin_state *)ptr; |
| |
| /* prepare to call the user callback function with info from the |
| * grpc_auth_metadata_context */ |
| zval *arg; |
| PHP_GRPC_MAKE_STD_ZVAL(arg); |
| object_init(arg); |
| php_grpc_add_property_string(arg, "service_url", context.service_url, true); |
| php_grpc_add_property_string(arg, "method_name", context.method_name, true); |
| zval *retval; |
| PHP_GRPC_MAKE_STD_ZVAL(retval); |
| #if PHP_MAJOR_VERSION < 7 |
| zval **params[1]; |
| params[0] = &arg; |
| state->fci->params = params; |
| state->fci->retval_ptr_ptr = &retval; |
| #else |
| state->fci->params = arg; |
| state->fci->retval = retval; |
| #endif |
| state->fci->param_count = 1; |
| |
| /* call the user callback function */ |
| zend_call_function(state->fci, state->fci_cache TSRMLS_CC); |
| |
| grpc_status_code code = GRPC_STATUS_OK; |
| grpc_metadata_array metadata; |
| |
| if (Z_TYPE_P(retval) != IS_ARRAY) { |
| code = GRPC_STATUS_INVALID_ARGUMENT; |
| } else if (!create_metadata_array(retval, &metadata)) { |
| grpc_metadata_array_destroy(&metadata); |
| code = GRPC_STATUS_INVALID_ARGUMENT; |
| } |
| |
| /* Pass control back to core */ |
| cb(user_data, metadata.metadata, metadata.count, code, NULL); |
| } |
| |
| /* Cleanup function for plugin creds API */ |
| void plugin_destroy_state(void *ptr) { |
| plugin_state *state = (plugin_state *)ptr; |
| efree(state->fci); |
| efree(state->fci_cache); |
| PHP_GRPC_FREE_STD_ZVAL(state->fci->params); |
| PHP_GRPC_FREE_STD_ZVAL(state->fci->retval); |
| efree(state); |
| } |
| |
| static zend_function_entry call_credentials_methods[] = { |
| PHP_ME(CallCredentials, createComposite, NULL, |
| ZEND_ACC_PUBLIC | ZEND_ACC_STATIC) |
| PHP_ME(CallCredentials, createFromPlugin, NULL, |
| ZEND_ACC_PUBLIC | ZEND_ACC_STATIC) |
| PHP_FE_END |
| }; |
| |
| void grpc_init_call_credentials(TSRMLS_D) { |
| zend_class_entry ce; |
| INIT_CLASS_ENTRY(ce, "Grpc\\CallCredentials", call_credentials_methods); |
| ce.create_object = create_wrapped_grpc_call_credentials; |
| grpc_ce_call_credentials = zend_register_internal_class(&ce TSRMLS_CC); |
| PHP_GRPC_INIT_HANDLER(wrapped_grpc_call_credentials, |
| call_credentials_ce_handlers); |
| } |