--- /dev/null
+/*
+ * FreeSWITCH Modular Media Switching Software Library / Soft-Switch Application
+ * Copyright (C) 2005-2009, Anthony Minessale II <anthm@freeswitch.org>
+ *
+ * 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 FreeSWITCH Modular Media Switching Software Library / Soft-Switch Application
+ *
+ * The Initial Developer of the Original Code is
+ * Anthony Minessale II <anthm@freeswitch.org>
+ * Portions created by the Initial Developer are Copyright (C)
+ * the Initial Developer. All Rights Reserved.
+ *
+ * Contributor(s):
+ *
+ * Rupa Schomaker <rupa@rupa.com>
+ *
+ * mod_curl.c -- API for performing http queries
+ *
+ */
+
+#include <switch.h>
+#include <curl/curl.h>
+
+/* Prototypes */
+SWITCH_MODULE_SHUTDOWN_FUNCTION(mod_curl_shutdown);
+SWITCH_MODULE_RUNTIME_FUNCTION(mod_curl_runtime);
+SWITCH_MODULE_LOAD_FUNCTION(mod_curl_load);
+
+/* SWITCH_MODULE_DEFINITION(name, load, shutdown, runtime)
+ * Defines a switch_loadable_module_function_table_t and a static const char[] modname
+ */
+SWITCH_MODULE_DEFINITION(mod_curl, mod_curl_load, mod_curl_shutdown, NULL);
+
+static char *SYNTAX = "curl url [headers]";
+
+static struct {
+ switch_memory_pool_t *pool;
+} globals;
+
+struct http_data_obj {
+ switch_stream_handle_t stream;
+ switch_size_t bytes;
+ switch_size_t max_bytes;
+ switch_memory_pool_t *pool;
+ int err;
+ long http_response_code;
+ char *http_response;
+ struct curl_slist *headers;
+};
+typedef struct http_data_obj http_data_t;
+
+struct callback_obj {
+ switch_memory_pool_t *pool;
+ char *name;
+};
+typedef struct callback_obj callback_t;
+
+static size_t file_callback(void *ptr, size_t size, size_t nmemb, void *data)
+{
+ register unsigned int realsize = (unsigned int) (size * nmemb);
+ http_data_t *http_data = data;
+
+ http_data->bytes += realsize;
+
+ if (http_data->bytes > http_data->max_bytes) {
+ switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Oversized file detected [%d bytes]\n", (int)http_data->bytes);
+ http_data->err = 1;
+ return 0;
+ }
+
+ http_data->stream.write_function(
+ &http_data->stream, "%.*s", realsize, ptr);
+ return realsize;
+}
+
+static size_t header_callback(void *ptr, size_t size, size_t nmemb, void *data)
+{
+ register unsigned int realsize = (unsigned int) (size * nmemb);
+ http_data_t *http_data = data;
+ char *header = NULL;
+
+ header = switch_core_alloc(http_data->pool, realsize+1);
+ switch_copy_string(header, ptr, realsize);
+ header[realsize] = '\0';
+
+ /* parse data - placeholder
+ if ((data = index(header, ':')) {
+ *data = '\0';
+ data++;
+ while(*data == ' ' && *data != '\0') {
+ data++;
+ }
+ }
+ */
+
+ http_data->headers = curl_slist_append(http_data->headers, header);
+
+ return realsize;
+}
+
+static http_data_t *do_lookup_url(switch_memory_pool_t *pool, const char *url) {
+
+ CURL *curl_handle = NULL;
+ long httpRes = 0;
+ char hostname[256] = "";
+
+ http_data_t *http_data = NULL;
+
+ http_data = switch_core_alloc(pool, sizeof(http_data_t));
+ memset(http_data, 0, sizeof(http_data_t));
+ http_data->pool = pool;
+
+ http_data->max_bytes = 64000;
+ SWITCH_STANDARD_STREAM(http_data->stream);
+
+ gethostname(hostname, sizeof(hostname));
+
+ switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "url: %s\n", url);
+ curl_handle = curl_easy_init();
+
+ if (!strncasecmp(url, "https", 5)) {
+ curl_easy_setopt(curl_handle, CURLOPT_SSL_VERIFYPEER, 0);
+ curl_easy_setopt(curl_handle, CURLOPT_SSL_VERIFYHOST, 0);
+ }
+ curl_easy_setopt(curl_handle, CURLOPT_POST, SWITCH_FALSE);
+ curl_easy_setopt(curl_handle, CURLOPT_FOLLOWLOCATION, 1);
+ curl_easy_setopt(curl_handle, CURLOPT_MAXREDIRS, 10);
+ curl_easy_setopt(curl_handle, CURLOPT_URL, url);
+ curl_easy_setopt(curl_handle, CURLOPT_WRITEFUNCTION, file_callback);
+ curl_easy_setopt(curl_handle, CURLOPT_WRITEDATA, (void *) http_data);
+ curl_easy_setopt(curl_handle, CURLOPT_HEADERFUNCTION, header_callback);
+ curl_easy_setopt(curl_handle, CURLOPT_HEADERDATA, (void *) http_data);
+ curl_easy_setopt(curl_handle, CURLOPT_USERAGENT, "freeswitch-curl/1.0");
+
+ curl_easy_perform(curl_handle);
+ curl_easy_getinfo(curl_handle, CURLINFO_RESPONSE_CODE, &httpRes);
+ curl_easy_cleanup(curl_handle);
+
+ if ( http_data->stream.data &&
+ !switch_strlen_zero((char *)http_data->stream.data) &&
+ strcmp(" ", http_data->stream.data) ) {
+
+ http_data->http_response = switch_core_strdup(pool, http_data->stream.data);
+ }
+
+ http_data->http_response_code = httpRes;
+
+ switch_safe_free(http_data->stream.data);
+ return http_data;
+}
+
+
+SWITCH_STANDARD_APP(curl_app_function)
+{
+ switch_status_t status = SWITCH_STATUS_SUCCESS;
+
+ char *argv[10] = { 0 };
+ int argc;
+ char *mydata = NULL;
+
+ switch_memory_pool_t *pool = NULL;
+ switch_channel_t *channel = switch_core_session_get_channel(session);
+ char *url = NULL;
+ http_data_t *http_data = NULL;
+
+ if (session) {
+ pool = switch_core_session_get_pool(session);
+ } else {
+ switch_core_new_memory_pool(&pool);
+ }
+ if (!(mydata = switch_core_session_strdup(session, data))) {
+ return;
+ }
+
+ if ((argc = switch_separate_string(mydata, ' ', argv, (sizeof(argv) / sizeof(argv[0]))))) {
+ if (argc == 0) {
+ switch_goto_status(SWITCH_STATUS_SUCCESS, usage);
+ }
+
+ if (argc > 0) {
+ url = switch_core_strdup(pool, argv[0]);
+ }
+ }
+
+ http_data = do_lookup_url(pool, url);
+ switch_channel_set_variable(channel, "curl_response_data", http_data->http_response);
+ switch_channel_set_variable(channel, "curl_response_code",
+ switch_core_sprintf(pool, "%ld", http_data->http_response_code));
+
+ switch_goto_status(SWITCH_STATUS_SUCCESS, done);
+
+usage:
+ switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Usage: %s\n", SYNTAX);
+ switch_goto_status(status, done);
+
+done:
+ if (!session) {
+ switch_core_destroy_memory_pool(&pool);
+ }
+}
+SWITCH_STANDARD_API(curl_function)
+{
+ switch_status_t status;
+ char *argv[10] = { 0 };
+ int argc;
+ char *mydata = NULL;
+ char *url = NULL;
+ switch_bool_t headers = SWITCH_FALSE;
+ struct curl_slist *slist = NULL;
+ http_data_t *http_data = NULL;
+
+ switch_memory_pool_t *pool = NULL;
+
+ if (switch_strlen_zero(cmd)) {
+ switch_goto_status(SWITCH_STATUS_SUCCESS, usage);
+ }
+
+ if (session) {
+ pool = switch_core_session_get_pool(session);
+ } else {
+ switch_core_new_memory_pool(&pool);
+ }
+
+ mydata = strdup(cmd);
+ if ((argc = switch_separate_string(mydata, ' ', argv, (sizeof(argv) / sizeof(argv[0]))))) {
+ if (argc < 1) {
+ switch_goto_status(SWITCH_STATUS_SUCCESS, usage);
+ }
+
+ url = switch_core_strdup(pool, argv[0]);
+
+ if (argc > 1) {
+ if (!strcasecmp("headers", argv[1])) {
+ headers = SWITCH_TRUE;
+ }
+ }
+
+ http_data = do_lookup_url(pool, url);
+ stream->write_function(stream, "%ld\n", http_data->http_response_codenot);
+ if(headers) {
+ slist = http_data->headers;
+ while(slist) {
+ stream->write_function(stream, "%s\n", slist->data);
+ slist = slist->next;
+ }
+ stream->write_function(stream, "\n");
+ }
+ stream->write_function(stream, "%s", http_data->http_response ? http_data->http_response : "");
+ }
+ switch_goto_status(SWITCH_STATUS_SUCCESS, done);
+
+usage:
+ stream->write_function(stream, "-ERR\n%s\n", SYNTAX);
+ switch_goto_status(status, done);
+
+done:
+ curl_slist_free_all(http_data->headers);
+ switch_safe_free(mydata);
+ if (!session) {
+ switch_core_destroy_memory_pool(&pool);
+ }
+ return status;
+}
+
+/* Macro expands to: switch_status_t mod_cidlookup_load(switch_loadable_module_interface_t **module_interface, switch_memory_pool_t *pool) */
+SWITCH_MODULE_LOAD_FUNCTION(mod_curl_load)
+{
+ switch_api_interface_t *api_interface;
+ switch_application_interface_t *app_interface;
+ /* connect my internal structure to the blank pointer passed to me */
+ *module_interface = switch_loadable_module_create_module_interface(pool, modname);
+
+ memset(&globals, 0, sizeof(globals));
+
+ globals.pool = pool;
+
+ SWITCH_ADD_API(api_interface, "curl", "curl API", curl_function, SYNTAX);
+ SWITCH_ADD_APP(app_interface, "curl", "Perform a http request", "Perform a http request",
+ curl_app_function, "curl url", SAF_SUPPORT_NOMEDIA);
+
+ /* indicate that the module should continue to be loaded */
+ return SWITCH_STATUS_SUCCESS;
+}
+
+/*
+ Called when the system shuts down
+ Macro expands to: switch_status_t mod_cidlookup_shutdown() */
+SWITCH_MODULE_SHUTDOWN_FUNCTION(mod_curl_shutdown)
+{
+ /* Cleanup dynamically allocated config settings */
+
+ 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
+ */
projects / thirdparty / freeswitch.git / commitdiff
