/*
void createnonce(char nonce[NONCE_LENGTH])
{
int i,j;
srand(time(NULL));
for(i=0; i < NONCE_LENGTH; i++)
{
j = random() % NONCE_CHARS;
if(j < 10)
nonce[i] = j + 48;
else if(j < 36)
nonce[i] = j + 55;
else
nonce[i] = j + 61;
}
}
*/
int post(const char *msg)
{
const char *request_uri = "http://api.twitter.com/1/statuses/update.json";
char *req_url = NULL;
char *postarg = NULL;
int argc = 2;
char argv_utf8[BUF_SIZE];
char **argv = (char**)malloc(sizeof(char*) * 2);
argv[0] = strdup(request_uri);
snprintf(argv_utf8, sizeof(argv_utf8), "status= %s", msg);
tcstrcututf(argv_utf8, MSG_SIZE); //** convert string to UTF-8 format (required by twitter API)
argv[1] = strdup(argv_utf8);
req_url = oauth_sign_array2(&argc, &argv, &postarg, OA_HMAC, NULL, consumer_key, consumer_secret, access_token, access_token_secret);
free(argv[0]);
free(argv[1]);
free(argv);
oauth_http_post2(req_url, postarg, "Expect: \r\n");
return 0;
}
int plurk_api( key_pair* request
,key_pair* permanent
,const char* api_uri
,const char* invoke_method
,int arg_count, ...
)
{
char* request_uri = s_concate(&(plurk_url), &(plurk_uri_request));
char* api_url = s_concate( &(plurk_url) ,&(api_uri));
int argc = 0;
int i = 0;
char** argv = NULL;
char* req_hdr = NULL;
char* req_url = NULL;
char* http_hdr = NULL;
char* reply = NULL;
char* postarg = NULL;
argc = oauth_split_url_parameters(api_url, &argv);
#if SAMUEL_DEBUG
printf("SAMUEL_DEBUG, before add parameters to array\n");
for (i=0;i<argc; i++)
printf("%d:%s\n",i,argv[i]);
#endif
int arg_index;
char* arg_from_valist;
va_list vaarg;
va_start(vaarg, arg_count);
for (arg_index = 0; arg_index < arg_count; arg_index++) {
arg_from_valist = va_arg(vaarg, char*);
oauth_add_param_to_array(&argc, &argv, arg_from_valist);
#if SAMUEL_DEBUG
printf("SAMUEL_DEBUG, arg_from_valist: %s\n", arg_from_valist);
printf("SAMUEL_DEBUG, argc:%d\n", argc);
#endif
}
va_end(vaarg);
#if SAMUEL_DEBUG
printf("SAMUEL_DEBUG, before add parameters to array\n");
for (i=0;i<argc; i++)
printf("%d:%s\n",i,argv[i]);
#endif
oauth_sign_array2_process(&argc, &argv,
NULL, //< postargs (unused)
OA_HMAC,
"POST", //< HTTP method (defaults to "GET")
request->key, request->secret,//NULL, NULL);
permanent->key, permanent->secret);
req_hdr = oauth_serialize_url_sep(argc, 1, argv, ", ", 100);
req_url = oauth_serialize_url_sep(argc, 0, argv, "&", 1);
oauth_free_array(&argc, &argv);
#if SAMUEL_DEBUG
printf("SAMUEL_DEBUG, req_hdr: %s\n", req_hdr);
printf("SAMUEL_DEBUG, req_url: %s\n", req_url);
#endif
http_hdr = malloc(strlen(req_hdr) + 200);
memset(http_hdr,0,100);
sprintf(http_hdr, "Authorization: OAuth realm=\"\", %s", req_hdr);
#if SAMUEL_DEBUG
printf("request URL=%s\n", req_url);
printf("request header=%s\n\n", http_hdr);
#endif
reply = oauth_http_post2(req_url, &postarg, http_hdr);
if(!reply){
printf("SAMUEL_DEBUG, HTTP request for an oauth request-token failed.\n");
}
else
printf("SAMUEL_DEBUG, reply: %s\n", reply);
if (reply) free(reply);
if (req_hdr) free(req_hdr);
if (req_url) free(req_url);
if (http_hdr) free(http_hdr);
if (postarg) free(postarg);
if (api_url) free(api_url);
return 0;
}
/**
* @brief Use API key, response key-pair and verification code
* to retrive the permanent key-pair
*
* @param req_key API key
* @param req_secret API secret key
* @param res_key the address of the response key
* @param res_secret the address of the response secret key
* @param verifier verification code
*
* @return error on 1
*/
inline static int get_access_token(char* req_key,
char* req_secret,
char** res_key,
char** res_secret,
char* verifier){
int fail = 0;
char *request_token_uri = s_concate(&(plurk_url), &(plurk_uri_access));
char *postarg = NULL;
char *req_url;
char *reply;
int verifier_len = strlen(verifier);
char *verifier_perm = malloc(sizeof(char)*(15 + verifier_len + 1));
memset(verifier_perm, 0, 15 + verifier_len + 1);
verifier_perm = memcpy(verifier_perm, "oauth_verifier=", 15);
verifier_perm = strncat(verifier_perm, verifier, verifier_len);
//req_url = oauth_sign_url2(request_token_uri, // const char *url
// &postarg, // char **postarg
// OA_HMAC, // OAuthMethod method
// "POST", // const char *http_method
// req_key, // const char *key
// req_secret, // const char *secret
// res_t_key, // const char *t_key
// res_t_secret // char *t_secret
// );
// transfer oauth_sign_url2() in steps
// example edited from:
// http://liboauth.sourceforge.net/tests_2oauthtest2_8c-example.html#a0
int argc=0;
int i;
char **argv=NULL;
char *req_hdr = NULL;
char *http_hdr= NULL;
argc = oauth_split_url_parameters(request_token_uri, &argv);
#if SAMUEL_DEBUG
printf("SAMUEL_DEBUG, before add parameters to array\n");
for (i=0;i<argc; i++)
printf("%d:%s\n",i,argv[i]);
#endif
// the most important step here!! add parameter
oauth_add_param_to_array(&argc, &argv, verifier_perm);
#if SAMUEL_DEBUG
printf("====\nSAMUEL_DEBUG, after add parameters to array\n");
for (i=0;i<argc; i++)
printf("%d:%s\n",i,argv[i]);
#endif
//do something important here??
oauth_sign_array2_process(&argc, &argv,
NULL, //< postargs (unused)
OA_HMAC,
"POST", //< HTTP method (defaults to "GET")
req_key, req_secret,//NULL, NULL);
*res_key, *res_secret);
req_hdr = oauth_serialize_url_sep(argc, 1, argv, ", ", 6);
req_url = oauth_serialize_url_sep(argc, 0, argv, "&", 1);
oauth_free_array(&argc, &argv);
#if SAMUEL_DEBUG
printf("SAMUEL_DEBUG, req_hdr: %s\n",req_hdr);
printf("SAMUEL_DEBUG, req_url: %s\n",req_url);
#endif
http_hdr = malloc(strlen(req_hdr) + 100);
memset(http_hdr,0,100);
sprintf(http_hdr, "Authorization: OAuth realm=\"\", %s", req_hdr);
#if SAMUEL_DEBUG
printf("request URL=%s\n", req_url);
printf("request header=%s\n\n", http_hdr);
#endif
// POST HTTPMethod
reply = oauth_http_post2(req_url,&postarg,http_hdr);
// GET HTTPMethod
//reply = oauth_http_get2(req_url,postarg,http_hdr);
if(!reply){
printf("SAMUEL_DEBUG, HTTP request for an oauth request-token failed.\n");
return (fail = 1);
}
else
fail = get_keysecret(reply, res_key, res_secret);
#if SAMUEL_DEBUG
printf("SAMUEL_DEBUG, res_key: '%s'\t res_secret: '%s'\n", *res_key, *res_secret);
printf("Samuel_DEBUG, final %x\n",res_key);
printf("SAMUEL_DEBUG, postarg: %s\n",postarg);
#endif
if(http_hdr) free(http_hdr);
if(req_hdr) free(req_hdr);
if(verifier_perm) free(verifier_perm);
if(reply) free(reply);
if(req_url) free(req_url);
if(postarg) free(postarg);
if(request_token_uri) free(request_token_uri);
return fail;
}
