Here is a small program that will upload an image file less than 4MB to twitpic.com. The API endpoint that I used here is http://twitpic.com/api/upload". This won’t send an update to the twitter. Use uploadAndPost.
Needless to say this requires libcurl. Grab it from here in source or binary form.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 | #include <iostream> #include <sstream> #include <curl/curl.h> #define END_POINT "http://twitpic.com/api/upload" #define EXPECT_ARGS 4 size_t write_data(void *buffer, size_t size, size_t nmemb, void* userp) { std::stringstream strmResponse; size_t nReal = size * nmemb; strmResponse << std::string((char*)buffer, size*nmemb); std::string sLine(""); while (getline(strmResponse, sLine)) { std::cout << sLine.c_str() << std::endl; } return nReal; } int main (int argc, char * const argv[]) { int result = 0; CURL* hCurl = NULL; CURLcode hResult; std::string sUser(""); std::string sPass(""); std::string sFileName(""); //Curl for form data struct curl_httppost *post = NULL; struct curl_httppost *last = NULL; try{ if(argc < EXPECT_ARGS) { std::cout << "Usage twitpic_upload twitterUserName twiiterPassword fileName" << std::endl; throw false; } //Get the require params from command line args sUser = argv[1]; sPass = argv[2]; sFileName = argv[3]; //Initialize curl, just don't let easy_init to do it for you curl_global_init(CURL_GLOBAL_ALL); //Handle to the curl hCurl = curl_easy_init(); if(NULL == hCurl) { throw false; } //Construct the form curl_formadd(&post, &last, CURLFORM_COPYNAME, "username", CURLFORM_COPYCONTENTS, sUser.c_str(), CURLFORM_END); curl_formadd(&post, &last, CURLFORM_COPYNAME, "password", CURLFORM_COPYCONTENTS, sPass.c_str(), CURLFORM_END); curl_formadd(&post, &last, CURLFORM_COPYNAME, "media", CURLFORM_FILE, sFileName.c_str(), CURLFORM_END); //Specify the API Endpoint hResult = curl_easy_setopt(hCurl,CURLOPT_URL, END_POINT); //Specify the HTTP Method hResult = curl_easy_setopt(hCurl, CURLOPT_HTTPPOST, post); //Post Away !!! hResult = curl_easy_perform(hCurl); if(hResult != CURLE_OK){ std::cout << "Cannot find the twitpic site " << std::endl; throw false; } } catch (...) { result = -1; } curl_formfree(post); curl_easy_cleanup(hCurl); curl_global_cleanup(); return result; } |
