Initial checkin of gRPC to third_party/

third_party/grpc/src/php/ext/grpc/channel_credentials.c

Index: third_party/grpc/src/php/ext/grpc/channel_credentials.c
diff --git a/third_party/grpc/src/php/ext/grpc/channel_credentials.c b/third_party/grpc/src/php/ext/grpc/channel_credentials.c
new file mode 100644
index 0000000000000000000000000000000000000000..ae9a9897fcd2137d9c9e86b5a614d626a2160799
--- /dev/null
+++ b/third_party/grpc/src/php/ext/grpc/channel_credentials.c
@@ -0,0 +1,197 @@
+/*
+ *
+ * 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 <zend_exceptions.h>
+#include <zend_hash.h>
+
+#include <grpc/grpc.h>
+#include <grpc/grpc_security.h>
+
+zend_class_entry *grpc_ce_channel_credentials;
+
+/* Frees and destroys an instance of wrapped_grpc_channel_credentials */
+void free_wrapped_grpc_channel_credentials(void *object TSRMLS_DC) {
+  wrapped_grpc_channel_credentials *creds =
+      (wrapped_grpc_channel_credentials *)object;
+  if (creds->wrapped != NULL) {
+    grpc_channel_credentials_release(creds->wrapped);
+  }
+  efree(creds);
+}
+
+/* Initializes an instance of wrapped_grpc_channel_credentials to be
+ * associated with an object of a class specified by class_type */
+zend_object_value create_wrapped_grpc_channel_credentials(
+    zend_class_entry *class_type TSRMLS_DC) {
+  zend_object_value retval;
+  wrapped_grpc_channel_credentials *intern;
+
+  intern = (wrapped_grpc_channel_credentials *)emalloc(
+      sizeof(wrapped_grpc_channel_credentials));
+  memset(intern, 0, sizeof(wrapped_grpc_channel_credentials));
+
+  zend_object_std_init(&intern->std, class_type TSRMLS_CC);
+  object_properties_init(&intern->std, class_type);
+  retval.handle = zend_objects_store_put(
+      intern, (zend_objects_store_dtor_t)zend_objects_destroy_object,
+      free_wrapped_grpc_channel_credentials, NULL TSRMLS_CC);
+  retval.handlers = zend_get_std_object_handlers();
+  return retval;
+}
+
+zval *grpc_php_wrap_channel_credentials(grpc_channel_credentials *wrapped) {
+  zval *credentials_object;
+  MAKE_STD_ZVAL(credentials_object);
+  object_init_ex(credentials_object, grpc_ce_channel_credentials);
+  wrapped_grpc_channel_credentials *credentials =
+      (wrapped_grpc_channel_credentials *)zend_object_store_get_object(
+          credentials_object TSRMLS_CC);
+  credentials->wrapped = wrapped;
+  return credentials_object;
+}
+
+/**
+ * Create a default channel credentials object.
+ * @return ChannelCredentials The new default channel credentials object
+ */
+PHP_METHOD(ChannelCredentials, createDefault) {
+  grpc_channel_credentials *creds = grpc_google_default_credentials_create();
+  zval *creds_object = grpc_php_wrap_channel_credentials(creds);
+  RETURN_DESTROY_ZVAL(creds_object);
+}
+
+/**
+ * Create SSL credentials.
+ * @param string pem_root_certs PEM encoding of the server root certificates
+ * @param string pem_private_key PEM encoding of the client's private key
+ *     (optional)
+ * @param string pem_cert_chain PEM encoding of the client's certificate chain
+ *     (optional)
+ * @return ChannelCredentials The new SSL credentials object
+ */
+PHP_METHOD(ChannelCredentials, createSsl) {
+  char *pem_root_certs = NULL;
+  grpc_ssl_pem_key_cert_pair pem_key_cert_pair;
+
+  int root_certs_length = 0, private_key_length = 0, cert_chain_length = 0;
+
+  pem_key_cert_pair.private_key = pem_key_cert_pair.cert_chain = NULL;
+
+  /* "|s!s!s! == 3 optional nullable strings */
+  if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "|s!s!s!",
+                            &pem_root_certs, &root_certs_length,
+                            &pem_key_cert_pair.private_key,
+                            &private_key_length,
+                            &pem_key_cert_pair.cert_chain,
+                            &cert_chain_length) == FAILURE) {
+    zend_throw_exception(spl_ce_InvalidArgumentException,
+                         "createSsl expects 3 optional strings", 1 TSRMLS_CC);
+    return;
+  }
+  grpc_channel_credentials *creds = grpc_ssl_credentials_create(
+      pem_root_certs,
+      pem_key_cert_pair.private_key == NULL ? NULL : &pem_key_cert_pair, NULL);
+  zval *creds_object = grpc_php_wrap_channel_credentials(creds);
+  RETURN_DESTROY_ZVAL(creds_object);
+}
+
+/**
+ * Create composite credentials from two existing credentials.
+ * @param ChannelCredentials cred1 The first credential
+ * @param CallCredentials cred2 The second credential
+ * @return ChannelCredentials The new composite credentials object
+ */
+PHP_METHOD(ChannelCredentials, createComposite) {
+  zval *cred1_obj;
+  zval *cred2_obj;
+
+  /* "OO" == 3 Objects */
+  if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "OO", &cred1_obj,
+                            grpc_ce_channel_credentials, &cred2_obj,
+                            grpc_ce_call_credentials) == FAILURE) {
+    zend_throw_exception(spl_ce_InvalidArgumentException,
+                         "createComposite expects 2 Credentials", 1 TSRMLS_CC);
+    return;
+  }
+  wrapped_grpc_channel_credentials *cred1 =
+      (wrapped_grpc_channel_credentials *)zend_object_store_get_object(
+          cred1_obj TSRMLS_CC);
+  wrapped_grpc_call_credentials *cred2 =
+      (wrapped_grpc_call_credentials *)zend_object_store_get_object(
+          cred2_obj TSRMLS_CC);
+  grpc_channel_credentials *creds =
+      grpc_composite_channel_credentials_create(cred1->wrapped, cred2->wrapped,
+                                                NULL);
+  zval *creds_object = grpc_php_wrap_channel_credentials(creds);
+  RETURN_DESTROY_ZVAL(creds_object);
+}
+
+/**
+ * Create insecure channel credentials
+ * @return null
+ */
+PHP_METHOD(ChannelCredentials, createInsecure) {
+  RETURN_NULL();
+}
+
+static zend_function_entry channel_credentials_methods[] = {
+  PHP_ME(ChannelCredentials, createDefault, NULL,
+         ZEND_ACC_PUBLIC | ZEND_ACC_STATIC)
+  PHP_ME(ChannelCredentials, createSsl, NULL,
+         ZEND_ACC_PUBLIC | ZEND_ACC_STATIC)
+  PHP_ME(ChannelCredentials, createComposite, NULL,
+         ZEND_ACC_PUBLIC | ZEND_ACC_STATIC)
+  PHP_ME(ChannelCredentials, createInsecure, NULL,
+         ZEND_ACC_PUBLIC | ZEND_ACC_STATIC)
+  PHP_FE_END};
+
+void grpc_init_channel_credentials(TSRMLS_D) {
+  zend_class_entry ce;
+  INIT_CLASS_ENTRY(ce, "Grpc\\ChannelCredentials",
+                   channel_credentials_methods);
+  ce.create_object = create_wrapped_grpc_channel_credentials;
+  grpc_ce_channel_credentials = zend_register_internal_class(&ce TSRMLS_CC);
+}