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Make curl a function

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git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@6649 65c4cc65-6c06-0410-ace0-fbb531ad65f3
This commit is contained in:
Mark Spencer
2005-09-25 19:36:48 +00:00
parent da7c542e29
commit 1097fc2d38
1 changed files with 88 additions and 24 deletions
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112
apps/app_curl.c
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@@ -3,7 +3,7 @@
*
* Copyright (C) 2004 - 2005, Tilghman Lesher
*
* Tilghman Lesher <curl-20041222@the-tilghman.com>
* 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
@@ -85,18 +85,50 @@ static size_t WriteMemoryCallback(void *ptr, size_t size, size_t nmemb, void *da
return realsize;
}
static int curl_internal(struct MemoryStruct *chunk, char *url, char *post)
{
CURL *curl;
curl_global_init(CURL_GLOBAL_ALL);
curl = curl_easy_init();
if (!curl) {
return -1;
}
curl_easy_setopt(curl, CURLOPT_URL, url);
curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, WriteMemoryCallback);
curl_easy_setopt(curl, CURLOPT_WRITEDATA, (void *)chunk);
curl_easy_setopt(curl, CURLOPT_USERAGENT, "asterisk-libcurl-agent/1.0");
if (post) {
curl_easy_setopt(curl, CURLOPT_POST, 1);
curl_easy_setopt(curl, CURLOPT_POSTFIELDS, post);
}
curl_easy_perform(curl);
curl_easy_cleanup(curl);
return 0;
}
static int curl_exec(struct ast_channel *chan, void *data)
{
int res = 0;
struct localuser *u;
CURL *curl;
char *info, *post_data=NULL, *url;
struct MemoryStruct chunk = { NULL, 0 };
static int dep_warning = 0;
if (!data || !strlen((char *)data)) {
ast_log(LOG_WARNING, "Curl requires an argument (URL)\n");
return -1;
}
if (!dep_warning) {
ast_log(LOG_WARNING, "The application Curl is deprecated. Please use the CURL() function instead.\n");
dep_warning = 1;
}
if ((info = ast_strdupa((char *)data))) {
url = strsep(&info, "|");
post_data = info;
@@ -107,28 +139,7 @@ static int curl_exec(struct ast_channel *chan, void *data)
LOCAL_USER_ADD(u);
curl_global_init(CURL_GLOBAL_ALL);
curl = curl_easy_init();
if (curl) {
struct MemoryStruct chunk;
chunk.memory=NULL; /* we expect realloc(NULL, size) to work */
chunk.size = 0; /* no data at this point */
curl_easy_setopt(curl, CURLOPT_URL, url);
curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, WriteMemoryCallback);
curl_easy_setopt(curl, CURLOPT_WRITEDATA, (void *)&chunk);
curl_easy_setopt(curl, CURLOPT_USERAGENT, "asterisk-libcurl-agent/1.0");
if (post_data) {
curl_easy_setopt(curl, CURLOPT_POST, 1);
curl_easy_setopt(curl, CURLOPT_POSTFIELDS, post_data);
}
curl_easy_perform(curl);
curl_easy_cleanup(curl);
if (! curl_internal(&chunk, url, post_data)) {
if (chunk.memory) {
chunk.memory[chunk.size] = '\0';
if (chunk.memory[chunk.size - 1] == 10)
@@ -147,14 +158,67 @@ static int curl_exec(struct ast_channel *chan, void *data)
return res;
}
static char *acf_curl_exec(struct ast_channel *chan, char *cmd, char *data, char *buf, size_t len)
{
struct localuser *u;
char *info, *post_data=NULL, *url;
struct MemoryStruct chunk = { NULL, 0 };
if (!data || !strlen((char *)data)) {
ast_log(LOG_WARNING, "CURL requires an argument (URL)\n");
*buf = '\0';
return buf;
}
if ((info = ast_strdupa((char *)data))) {
url = strsep(&info, "|");
post_data = info;
} else {
ast_log(LOG_ERROR, "Out of memory\n");
*buf = '\0';
return buf;
}
LOCAL_USER_ACF_ADD(u);
if (! curl_internal(&chunk, url, post_data)) {
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);
free(chunk.memory);
}
} else {
ast_log(LOG_ERROR, "Cannot allocate curl structure\n");
*buf = '\0';
}
LOCAL_USER_REMOVE(u);
return buf;
}
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,
};
int unload_module(void)
{
STANDARD_HANGUP_LOCALUSERS;
ast_custom_function_unregister(&acf_curl);
return ast_unregister_application(app);
}
int load_module(void)
{
ast_custom_function_register(&acf_curl);
return ast_register_application(app, curl_exec, synopsis, descrip);
}