diff options
Diffstat (limited to 'trunk/funcs/func_curl.c')
| -rw-r--r-- | trunk/funcs/func_curl.c | 204 |
1 files changed, 0 insertions, 204 deletions
diff --git a/trunk/funcs/func_curl.c b/trunk/funcs/func_curl.c deleted file mode 100644 index 32dbf7686..000000000 --- a/trunk/funcs/func_curl.c +++ /dev/null @@ -1,204 +0,0 @@ -/* - * Asterisk -- An open source telephony toolkit. - * - * Copyright (C) 2004 - 2006, Tilghman Lesher - * - * Tilghman Lesher <curl-20050919@the-tilghman.com> - * and Brian Wilkins <bwilkins@cfl.rr.com> (Added POST option) - * - * app_curl.c is distributed with no restrictions on usage or - * redistribution. - * - * See http://www.asterisk.org for more information about - * the Asterisk project. Please do not directly contact - * any of the maintainers of this project for assistance; - * the project provides a web site, mailing lists and IRC - * channels for your use. - * - */ - -/*! \file - * - * \brief Curl - Load a URL - * - * \author Tilghman Lesher <curl-20050919@the-tilghman.com> - * - * \note Brian Wilkins <bwilkins@cfl.rr.com> (Added POST option) - * - * \extref Depends on the CURL library - http://curl.haxx.se/ - * - * \ingroup functions - */ - -/*** MODULEINFO - <depend>curl</depend> - ***/ - -#include "asterisk.h" - -ASTERISK_FILE_VERSION(__FILE__, "$Revision$") - -#include <curl/curl.h> - -#include "asterisk/lock.h" -#include "asterisk/file.h" -#include "asterisk/channel.h" -#include "asterisk/pbx.h" -#include "asterisk/cli.h" -#include "asterisk/module.h" -#include "asterisk/app.h" -#include "asterisk/utils.h" -#include "asterisk/threadstorage.h" - -struct MemoryStruct { - char *memory; - size_t size; -}; - -/* There might be a realloc() out there that doesn't like reallocing - * NULL pointers, so we take care of it here - */ -static void *myrealloc(void *ptr, size_t size) -{ - return (ptr ? ast_realloc(ptr, size) : ast_malloc(size)); -} - -static size_t WriteMemoryCallback(void *ptr, size_t size, size_t nmemb, void *data) -{ - register int realsize = size * nmemb; - struct MemoryStruct *mem = (struct MemoryStruct *)data; - - if ((mem->memory = (char *)myrealloc(mem->memory, mem->size + realsize + 1))) { - memcpy(&(mem->memory[mem->size]), ptr, realsize); - mem->size += realsize; - mem->memory[mem->size] = 0; - } - - return realsize; -} - -static const char *global_useragent = "asterisk-libcurl-agent/1.0"; - -static int curl_instance_init(void *data) -{ - CURL **curl = data; - - if (!(*curl = curl_easy_init())) - return -1; - - curl_easy_setopt(*curl, CURLOPT_NOSIGNAL, 1); - curl_easy_setopt(*curl, CURLOPT_TIMEOUT, 180); - curl_easy_setopt(*curl, CURLOPT_WRITEFUNCTION, WriteMemoryCallback); - curl_easy_setopt(*curl, CURLOPT_USERAGENT, global_useragent); - - return 0; -} - -static void curl_instance_cleanup(void *data) -{ - CURL **curl = data; - - curl_easy_cleanup(*curl); -} - -AST_THREADSTORAGE_CUSTOM(curl_instance, curl_instance_init, curl_instance_cleanup); - -static int curl_internal(struct MemoryStruct *chunk, char *url, char *post) -{ - CURL **curl; - - if (!(curl = ast_threadstorage_get(&curl_instance, sizeof(*curl)))) - return -1; - - curl_easy_setopt(*curl, CURLOPT_URL, url); - curl_easy_setopt(*curl, CURLOPT_WRITEDATA, (void *) chunk); - - if (post) { - curl_easy_setopt(*curl, CURLOPT_POST, 1); - curl_easy_setopt(*curl, CURLOPT_POSTFIELDS, post); - } - - curl_easy_perform(*curl); - - if (post) - curl_easy_setopt(*curl, CURLOPT_POST, 0); - - return 0; -} - -static int acf_curl_exec(struct ast_channel *chan, const char *cmd, char *info, char *buf, size_t len) -{ - struct MemoryStruct chunk = { NULL, 0 }; - AST_DECLARE_APP_ARGS(args, - AST_APP_ARG(url); - AST_APP_ARG(postdata); - ); - - *buf = '\0'; - - if (ast_strlen_zero(info)) { - ast_log(LOG_WARNING, "CURL requires an argument (URL)\n"); - return -1; - } - - AST_STANDARD_APP_ARGS(args, info); - - if (chan) - ast_autoservice_start(chan); - - if (!curl_internal(&chunk, args.url, args.postdata)) { - if (chunk.memory) { - chunk.memory[chunk.size] = '\0'; - if (chunk.memory[chunk.size - 1] == 10) - chunk.memory[chunk.size - 1] = '\0'; - - ast_copy_string(buf, chunk.memory, len); - ast_free(chunk.memory); - } - } else { - ast_log(LOG_ERROR, "Cannot allocate curl structure\n"); - } - - if (chan) - ast_autoservice_stop(chan); - - return 0; -} - -struct ast_custom_function acf_curl = { - .name = "CURL", - .synopsis = "Retrieves the contents of a URL", - .syntax = "CURL(url[,post-data])", - .desc = - " url - URL to retrieve\n" - " post-data - Optional data to send as a POST (GET is default action)\n", - .read = acf_curl_exec, -}; - -static int unload_module(void) -{ - int res; - - res = ast_custom_function_unregister(&acf_curl); - - curl_global_cleanup(); - - return res; -} - -static int load_module(void) -{ - int res; - - if (curl_global_init(CURL_GLOBAL_ALL)) { - ast_log(LOG_ERROR, "Unable to initialize the CURL library. Cannot load func_curl\n"); - return AST_MODULE_LOAD_DECLINE; - } - - res = ast_custom_function_register(&acf_curl); - - return res; -} - -AST_MODULE_INFO_STANDARD(ASTERISK_GPL_KEY, "Load external URL"); - |