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Implemented HTTP Post using libcurl.

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Jose Marcial Vieira Bisneto 2017-10-03 12:33:30 -03:00
parent 495a92f5f8
commit 3b2e94ebe2
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GPG key ID: 103E935E7E6E831E
2 changed files with 88 additions and 0 deletions
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77
core/http_request.c
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@ -463,3 +463,80 @@ int ipfs_core_http_request_get(struct IpfsNode* local_node, struct HttpRequest*
return res == CURLE_OK;
}
/**
* Do an HTTP Post to the local API
* @param local_node the context
* @param request the request
* @param result the results
* @param data the array with post data
* @param size the data length
* @returns true(1) on success, false(0) on error
*/
int ipfs_core_http_request_post(struct IpfsNode* local_node, struct HttpRequest* request, char** result, char *data, size_t size) {
if (request == NULL || request->command == NULL || data == NULL)
return 0;
char* url = ipfs_core_http_request_build_url_start(local_node);
if (url == NULL)
return 0;
if (!ipfs_core_http_request_add_commands(request, &url)) {
free(url);
return 0;
}
if (!ipfs_core_http_request_add_parameters(request, &url)) {
free(url);
return 0;
}
// do the POST using libcurl
CURL *curl;
CURLcode res;
struct curl_string s;
s.len = 0;
s.ptr = malloc(1);
s.ptr[0] = '\0';
struct curl_httppost *post = NULL, *last = NULL;
CURLFORMcode curl_form_ret = curl_formadd(&post, &last,
CURLFORM_COPYNAME, "filename",
CURLFORM_PTRCONTENTS, data,
CURLFORM_CONTENTTYPE, "application/octet-stream",
CURLFORM_FILENAME, "",
CURLFORM_CONTENTSLENGTH, size,
CURLFORM_END);
if (CURL_FORMADD_OK != curl_form_ret) {
// i'm always getting curl_form_ret == 4 here
// it means CURL_FORMADD_UNKNOWN_OPTION
// what i'm doing wrong?
fprintf(stderr, "curl_form_ret = %d\n", (int)curl_form_ret);
return 0;
}
curl = curl_easy_init();
if (!curl) {
return 0;
}
curl_easy_setopt(curl, CURLOPT_URL, url);
curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, curl_cb);
curl_easy_setopt(curl, CURLOPT_WRITEDATA, &s);
curl_easy_setopt(curl, CURLOPT_HTTPPOST, post);
res = curl_easy_perform(curl);
curl_easy_cleanup(curl);
if (res == CURLE_OK) {
if (strcmp(s.ptr, "404 page not found") != 0)
*result = s.ptr;
else
res = -1;
} else {
//libp2p_logger_error("http_request", "Results of [%s] returned failure. Return value: %d.\n", url, res);
fprintf(stderr, "Results of [%s] returned failure. Return value: %d.\n", url, res);
if (s.ptr != NULL)
free(s.ptr);
}
return res == CURLE_OK;
}

11
include/ipfs/core/http_request.h
View file

@ -74,3 +74,14 @@ int ipfs_core_http_request_process(struct IpfsNode* local_node, struct HttpReque
* @returns true(1) on success, false(0) on error
*/
int ipfs_core_http_request_get(struct IpfsNode* local_node, struct HttpRequest* request, char** result);
/**
* Do an HTTP Post to the local API
* @param local_node the context
* @param request the request
* @param result the results
* @param data the array with post data
* @param size the data length
* @returns true(1) on success, false(0) on error
*/
int ipfs_core_http_request_post(struct IpfsNode* local_node, struct HttpRequest* request, char** result, char *data, size_t size);