FS-11316 [mod_rayo] Add dialplan app execution component

src/mod/event_handlers/mod_rayo/Makefile.am

@@ -7,7 +7,7 @@ IKS_LA=$(IKS_BUILDDIR)/src/libiksemel.la
 
 mod_LTLIBRARIES = mod_rayo.la
 mod_rayo_la_SOURCES  = mod_rayo.c iks_helpers.c nlsml.c rayo_components.c rayo_cpa_component.c rayo_cpa_detector.c rayo_elements.c rayo_fax_components.c
-mod_rayo_la_SOURCES += rayo_input_component.c rayo_output_component.c rayo_prompt_component.c rayo_record_component.c sasl.c srgs.c xmpp_streams.c
+mod_rayo_la_SOURCES += rayo_input_component.c rayo_output_component.c rayo_prompt_component.c rayo_record_component.c sasl.c srgs.c xmpp_streams.c rayo_exec_component.c
 mod_rayo_la_CFLAGS   = $(AM_CFLAGS) -I$(IKS_DIR)/include $(PCRE_CFLAGS)
 mod_rayo_la_LIBADD   = $(switch_builddir)/libfreeswitch.la $(IKS_LA) $(PCRE_LIBS)
 mod_rayo_la_LDFLAGS  = -avoid-version -module -no-undefined -shared

src/mod/event_handlers/mod_rayo/rayo_components.c

@@ -228,7 +228,8 @@ switch_status_t rayo_components_load(switch_loadable_module_interface_t **module
 		rayo_output_component_load(module_interface, pool, config_file) != SWITCH_STATUS_SUCCESS ||
 		rayo_prompt_component_load(module_interface, pool, config_file) != SWITCH_STATUS_SUCCESS ||
 		rayo_record_component_load(module_interface, pool, config_file) != SWITCH_STATUS_SUCCESS ||
-		rayo_fax_components_load(module_interface, pool, config_file) != SWITCH_STATUS_SUCCESS) {
+		rayo_fax_components_load(module_interface, pool, config_file) != SWITCH_STATUS_SUCCESS ||
+		rayo_exec_component_load(module_interface, pool, config_file) != SWITCH_STATUS_SUCCESS) {
 		return SWITCH_STATUS_TERM;
 	}
 	return SWITCH_STATUS_SUCCESS;
@@ -244,6 +245,7 @@ switch_status_t rayo_components_shutdown(void)
 	rayo_prompt_component_shutdown();
 	rayo_record_component_shutdown();
 	rayo_fax_components_shutdown();
+	rayo_exec_component_shutdown();
 
 	return SWITCH_STATUS_SUCCESS;
 }

src/mod/event_handlers/mod_rayo/rayo_components.h

 /*
  * mod_rayo for FreeSWITCH Modular Media Switching Software Library / Soft-Switch Application
- * Copyright (C) 2013, Grasshopper
+ * Copyright (C) 2013-2018, Grasshopper
  *
  * Version: MPL 1.1
  *
@@ -52,9 +52,13 @@
 #define RAYO_FAX_NS RAYO_BASE "fax:" RAYO_VERSION
 #define RAYO_FAX_COMPLETE_NS RAYO_BASE "fax:complete:" RAYO_VERSION
 
+#define RAYO_EXEC_NS RAYO_BASE "exec:" RAYO_VERSION
+#define RAYO_EXEC_COMPLETE_NS RAYO_BASE "exec:complete:" RAYO_VERSION
+
 #define COMPONENT_COMPLETE_STOP "stop", RAYO_EXT_COMPLETE_NS
 #define COMPONENT_COMPLETE_ERROR "error", RAYO_EXT_COMPLETE_NS
 #define COMPONENT_COMPLETE_HANGUP "hangup", RAYO_EXT_COMPLETE_NS
+#define COMPONENT_COMPLETE_DONE "done", RAYO_EXT_COMPLETE_NS
 
 extern switch_status_t rayo_components_load(switch_loadable_module_interface_t **module_interface, switch_memory_pool_t *pool, const char *config_file);
 extern switch_status_t rayo_input_component_load(switch_loadable_module_interface_t **module_interface, switch_memory_pool_t *pool, const char *config_file);
@@ -62,6 +66,7 @@ extern switch_status_t rayo_output_component_load(switch_loadable_module_interfa
 extern switch_status_t rayo_prompt_component_load(switch_loadable_module_interface_t **module_interface, switch_memory_pool_t *pool, const char *config_file);
 extern switch_status_t rayo_record_component_load(switch_loadable_module_interface_t **module_interface, switch_memory_pool_t *pool, const char *config_file);
 extern switch_status_t rayo_fax_components_load(switch_loadable_module_interface_t **module_interface, switch_memory_pool_t *pool, const char *config_file);
+extern switch_status_t rayo_exec_component_load(switch_loadable_module_interface_t **module_interface, switch_memory_pool_t *pool, const char *config_file);
 
 extern switch_status_t rayo_components_shutdown(void);
 extern switch_status_t rayo_input_component_shutdown(void);
@@ -69,6 +74,7 @@ extern switch_status_t rayo_output_component_shutdown(void);
 extern switch_status_t rayo_prompt_component_shutdown(void);
 extern switch_status_t rayo_record_component_shutdown(void);
 extern switch_status_t rayo_fax_components_shutdown(void);
+extern switch_status_t rayo_exec_component_shutdown(void);
 
 extern void rayo_component_send_start(struct rayo_component *component, iks *iq);
 extern void rayo_component_send_iq_error(struct rayo_component *component, iks *iq, const char *error_name, const char *error_type);

src/mod/event_handlers/mod_rayo/rayo_elements.c

@@ -121,6 +121,17 @@ ELEMENT(RAYO_SENDFAX)
 	ATTRIB(xmlns,, any)
 ELEMENT_END
 
+/**
+ * <app> command validation
+ */
+ELEMENT(RAYO_APP)
+	ATTRIB(xmlns,, any)
+	ATTRIB(app,, any)
+	OPTIONAL_ATTRIB(args,, any)
+ELEMENT_END
+
+
+
 
 /* For Emacs:
  * Local Variables:

src/mod/event_handlers/mod_rayo/rayo_elements.h

@@ -39,6 +39,7 @@ ELEMENT_DECL(RAYO_PROMPT)
 ELEMENT_DECL(RAYO_RECEIVEFAX)
 ELEMENT_DECL(RAYO_RECORD)
 ELEMENT_DECL(RAYO_SENDFAX)
+ELEMENT_DECL(RAYO_APP)
 
 #endif
 

src/mod/event_handlers/mod_rayo/rayo_exec_component.c

+/*
+ * mod_rayo for FreeSWITCH Modular Media Switching Software Library / Soft-Switch Application
+ * Copyright (C) 2013-2018, Grasshopper
+ *
+ * Version: MPL 1.1
+ *
+ * The contents of this file are subject to the Mozilla Public License Version
+ * 1.1 (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.mozilla.org/MPL/
+ *
+ * Software distributed under the License is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
+ * for the specific language governing rights and limitations under the
+ * License.
+ *
+ * The Original Code is mod_rayo for FreeSWITCH Modular Media Switching Software Library / Soft-Switch Application
+ *
+ * The Initial Developer of the Original Code is Grasshopper
+ * Portions created by the Initial Developer are Copyright (C)
+ * the Initial Developer. All Rights Reserved.
+ *
+ * Contributor(s):
+ * Chris Rienzo <chris.rienzo@grasshopper.com>
+ *
+ * rayo_exec_component.c -- Rayo call application execution component
+ *
+ */
+#include "rayo_components.h"
+#include "rayo_elements.h"
+
+
+/**
+ * An exec component
+ */
+struct exec_component {
+	/** component base class */
+	struct rayo_component base;
+	/** Dialplan app */
+	const char *app;
+	/** Dialplan app args */
+	char *args;
+};
+
+#define EXEC_COMPONENT(x) ((struct exec_component *)x)
+
+/**
+ * Wrapper for executing dialplan app
+ */
+SWITCH_STANDARD_APP(rayo_app_exec)
+{
+	if (!zstr(data)) {
+		struct rayo_component *component = RAYO_COMPONENT_LOCATE(data);
+		if (component) {
+			switch_status_t status;
+			switch_channel_set_variable(switch_core_session_get_channel(session), SWITCH_CURRENT_APPLICATION_RESPONSE_VARIABLE, "");
+			status = switch_core_session_execute_application(session, EXEC_COMPONENT(component)->app, EXEC_COMPONENT(component)->args);
+			if (status != SWITCH_STATUS_SUCCESS) {
+				rayo_component_send_complete(component, COMPONENT_COMPLETE_ERROR);
+			} else {
+				const char *resp = switch_channel_get_variable(switch_core_session_get_channel(session), SWITCH_CURRENT_APPLICATION_RESPONSE_VARIABLE);
+				if (zstr(resp)) {
+					rayo_component_send_complete(component, COMPONENT_COMPLETE_DONE);
+				} else {
+					/* send complete event to client */
+					iks *response = iks_new("app");
+					iks_insert_attrib(response, "xmlns", RAYO_EXEC_COMPLETE_NS);
+					iks_insert_attrib(response, "response", resp);
+					rayo_component_send_complete_with_metadata(component, COMPONENT_COMPLETE_DONE, response, 1);
+					iks_delete(response);
+				}
+			}
+			RAYO_RELEASE(component);
+		}
+	} else {
+		switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_ERROR, "Missing rayo exec component JID\n");
+	}
+	switch_channel_set_variable(switch_core_session_get_channel(session), SWITCH_CURRENT_APPLICATION_RESPONSE_VARIABLE, "");
+}
+
+/**
+ * Create a record component
+ */
+static struct rayo_component *exec_component_create(struct rayo_actor *call, const char *client_jid, iks *exec)
+{
+	switch_memory_pool_t *pool;
+	struct exec_component *exec_component = NULL;
+
+	switch_core_new_memory_pool(&pool);
+	exec_component = switch_core_alloc(pool, sizeof(*exec_component));
+	exec_component = EXEC_COMPONENT(rayo_component_init(RAYO_COMPONENT(exec_component), pool, RAT_CALL_COMPONENT, "exec", NULL, call, client_jid));
+	if (exec_component) {
+		exec_component->app = switch_core_strdup(pool, iks_find_attrib_soft(exec, "app"));
+		exec_component->args = switch_core_strdup(pool, iks_find_attrib_soft(exec, "args"));
+	} else {
+		switch_core_destroy_memory_pool(&pool);
+		return NULL;
+	}
+
+	return RAYO_COMPONENT(exec_component);
+}
+
+/**
+ * Execute dialplan APP on rayo call
+ */
+static iks *start_exec_app_component(struct rayo_actor *call, struct rayo_message *msg, void *data)
+{
+	iks *iq = msg->payload;
+	iks *exec = iks_find(iq, "app");
+	struct rayo_component *exec_component = NULL;
+	switch_core_session_t *session = NULL;
+
+	/* validate record attributes */
+	if (!VALIDATE_RAYO_APP(exec)) {
+		return iks_new_error(iq, STANZA_ERROR_BAD_REQUEST);
+	}
+
+	exec_component = exec_component_create(call, iks_find_attrib(iq, "from"), exec);
+	if (!exec_component) {
+		return iks_new_error_detailed(iq, STANZA_ERROR_INTERNAL_SERVER_ERROR, "Failed to create exec entity");
+	}
+
+	session = switch_core_session_locate(call->id);
+	if (session) {
+		if (switch_core_session_execute_application_async(session, switch_core_session_strdup(session, "rayo-app-exec"), switch_core_session_strdup(session, RAYO_JID(exec_component))) != SWITCH_STATUS_SUCCESS) {
+			switch_core_session_rwunlock(session);
+			RAYO_RELEASE(exec_component);
+			RAYO_DESTROY(exec_component);
+			return iks_new_error_detailed(iq, STANZA_ERROR_INTERNAL_SERVER_ERROR, "failed to execute app");
+		}
+		switch_core_session_rwunlock(session);
+	} else {
+		RAYO_RELEASE(exec_component);
+		RAYO_DESTROY(exec_component);
+		return iks_new_error_detailed(iq, STANZA_ERROR_INTERNAL_SERVER_ERROR, "Call is gone");
+	}
+
+	rayo_component_send_start(exec_component, iq);
+
+	return NULL;
+}
+
+/**
+ * Initialize exec component
+ * @param module_interface
+ * @param pool memory pool to allocate from
+ * @param config_file to use
+ * @return SWITCH_STATUS_SUCCESS if successful
+ */
+switch_status_t rayo_exec_component_load(switch_loadable_module_interface_t **module_interface, switch_memory_pool_t *pool, const char *config_file)
+{
+	switch_application_interface_t *app_interface;
+	SWITCH_ADD_APP(app_interface, "rayo-app-exec", "Wrapper dialplan app for internal use only", "", rayo_app_exec, "", SAF_SUPPORT_NOMEDIA | SAF_ZOMBIE_EXEC);
+	rayo_actor_command_handler_add(RAT_CALL, "", "set:"RAYO_EXEC_NS":app", start_exec_app_component);
+	return SWITCH_STATUS_SUCCESS;
+}
+
+/**
+ * Shutdown exec component
+ * @return SWITCH_STATUS_SUCCESS if successful
+ */
+switch_status_t rayo_exec_component_shutdown(void)
+{
+	return SWITCH_STATUS_SUCCESS;
+}
+
+/* For Emacs:
+ * Local Variables:
+ * mode:c
+ * indent-tabs-mode:t
+ * tab-width:4
+ * c-basic-offset:4
+ * End:
+ * For VIM:
+ * vim:set softtabstop=4 shiftwidth=4 tabstop=4 noet
+ */