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simple https upload from c++ multi-plateform code using libcurl library
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#include <stdio.h> | |
#include <string.h> | |
#include <curl/curl.h> | |
struct MemoryStruct { | |
char *memory; | |
size_t size; | |
}; | |
static size_t | |
WriteMemoryCallback(void *contents, size_t size, size_t nmemb, void *userp) | |
{ | |
size_t realsize = size * nmemb; | |
struct MemoryStruct *mem = (struct MemoryStruct *)userp; | |
mem->memory = (char *)realloc(mem->memory, mem->size + realsize + 1); | |
if (mem->memory == NULL) { | |
/* out of memory! */ | |
printf("not enough memory (realloc returned NULL)\n"); | |
return 0; | |
} | |
memcpy(&(mem->memory[mem->size]), contents, realsize); | |
mem->size += realsize; | |
mem->memory[mem->size] = 0; | |
return realsize; | |
} | |
int main(int argc, char *argv[]) | |
{ | |
CURL *curl; | |
CURLcode res; | |
struct MemoryStruct chunk; | |
chunk.memory = (char*)malloc(1); /* will be grown as needed by the realloc above */ | |
chunk.size = 0; /* no data at this point */ | |
struct curl_httppost *formpost = NULL; | |
struct curl_httppost *lastptr = NULL; | |
struct curl_slist *headerlist = NULL; | |
static const char buf[] = "Expect:"; | |
curl_global_init(CURL_GLOBAL_ALL); | |
/* Fill in the file upload field */ | |
curl_formadd(&formpost, | |
&lastptr, | |
CURLFORM_COPYNAME, "fileModel", | |
CURLFORM_FILE, "f:\\tmp\\Dog_DemoHead.zip", | |
CURLFORM_END); | |
curl_formadd(&formpost, | |
&lastptr, | |
CURLFORM_COPYNAME, "fileNameModel", | |
CURLFORM_COPYCONTENTS, "f:\\tmp\\Dog_DemoHead.zip", | |
CURLFORM_END); | |
curl_formadd(&formpost, | |
&lastptr, | |
CURLFORM_COPYNAME, "token", | |
CURLFORM_COPYCONTENTS, "000000000000000000000000", | |
CURLFORM_END); | |
curl_formadd(&formpost, | |
&lastptr, | |
CURLFORM_COPYNAME, "title", | |
CURLFORM_COPYCONTENTS, "My title", | |
CURLFORM_END); | |
curl_formadd(&formpost, | |
&lastptr, | |
CURLFORM_COPYNAME, "description", | |
CURLFORM_COPYCONTENTS, "My description", | |
CURLFORM_END); | |
/* Fill in the submit field too, even if this is rarely needed */ | |
curl_formadd(&formpost, | |
&lastptr, | |
CURLFORM_COPYNAME, "submit", | |
CURLFORM_COPYCONTENTS, "send", | |
CURLFORM_END); | |
curl = curl_easy_init(); | |
if (curl) { | |
curl_easy_setopt(curl, CURLOPT_SSL_VERIFYPEER, FALSE); | |
/* send all data to this function */ | |
curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, WriteMemoryCallback); | |
/* we pass our 'chunk' struct to the callback function */ | |
curl_easy_setopt(curl, CURLOPT_WRITEDATA, (void *)&chunk); | |
/* some servers don't like requests that are made without a user-agent | |
field, so we provide curl */ir | |
curl_easy_setopt(curl, CURLOPT_USERAGENT, "3d exporter"); | |
/* initalize custom header list (stating that Expect: 100-continue is not | |
wanted */ | |
headerlist = curl_slist_append(headerlist, buf); | |
/* what URL that receives this POST */ | |
//curl_easy_setopt(curl, CURLOPT_URL, "http://api.sketchfab.com/v1/models"); | |
curl_easy_setopt(curl, CURLOPT_URL, "https://api.sketchfab.com/v1/models"); | |
if ((argc == 2) && (!strcmp(argv[1], "noexpectheader"))) | |
/* only disable 100-continue header if explicitly requested */ | |
curl_easy_setopt(curl, CURLOPT_HTTPHEADER, headerlist); | |
curl_easy_setopt(curl, CURLOPT_HTTPPOST, formpost); | |
/* Perform the request, res will get the return code */ | |
res = curl_easy_perform(curl); | |
/* Check for errors */ | |
if (res != CURLE_OK){ | |
fprintf(stderr, "curl_easy_perform() failed: %s\n", | |
curl_easy_strerror(res)); | |
} | |
else { | |
// printf("%lu bytes retrieved\n", (long)chunk.size); | |
printf("%s\n", chunk.memory); | |
} | |
/* always cleanup */ | |
curl_easy_cleanup(curl); | |
/* then cleanup the formpost chain */ | |
curl_formfree(formpost); | |
/* free slist */ | |
curl_slist_free_all(headerlist); | |
} | |
return 0; | |
} |
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