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/**
* @brief experimental code to sign data uploads
* @file oauthimageupload.c
* @author Robin Gareus <robin@gareus.org>
*
* Copyright 2008 Robin Gareus <robin@gareus.org>
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
#include <string.h>
#include <stdio.h>
#include <stdlib.h>
#include <oauth.h>
#ifdef USE_MMAP
#include <sys/mman.h>
#endif
/**
* example oauth body signature and HTTP-POST.
* WARNING: <b> This is request type is not part of the
* oauth core 1.0</b>.
*
* This is an experimental extension.
*/
int oauth_image_post(char *filename, char *url) {
const char *c_key = "key"; //< consumer key
const char *c_secret = "secret"; //< consumer secret
char *t_key = NULL; //< access token key
char *t_secret = NULL; //< access token secret
char *postarg = NULL;
char *req_url = NULL;
char *reply = NULL;
char *filedata = NULL;
size_t filelen = 0;
FILE *F;
char *okey, *sign;
char *sig_url;
// get acces token - see oautexample.c
t_key = strdup("key"); //< access token key
t_secret = strdup("secret"); //< access token secret
// read raw data to sign and send from file.
F= fopen(filename, "r");
if (!F) return 1;
fseek(F, 0L, SEEK_END);
filelen= ftell(F);
rewind(F);
#ifdef USE_MMAP
filedata=mmap(NULL,filelen,PROT_READ,MAP_SHARED,fileno(F),0L);
#else
filedata=malloc(filelen*sizeof(char));
if (filelen != fread(filedata,sizeof(char), filelen, F)) {
fclose(F);
return 2;
}
fclose(F);
#endif
// sign the body
okey = oauth_catenc(2, c_secret, t_secret);
sign = oauth_sign_hmac_sha1_raw(filedata,filelen,okey,strlen(okey));
free(okey);
sig_url = malloc(63+strlen(url)+strlen(sign));
sprintf(sig_url,"%s&xoauth_body_signature=%s&xoauth_body_signature_method=HMAC_SHA1",url, sign);
// sign a POST request
req_url = oauth_sign_url2(sig_url, &postarg, OA_HMAC, NULL, c_key, c_secret, t_key, t_secret);
free(sig_url);
// append the oauth [post] parameters to the request-URL!!
sig_url = malloc(2+strlen(req_url)+strlen(postarg));
sprintf(sig_url,"%s?%s",req_url, postarg);
printf("POST:'%s'\n",sig_url);
//reply = oauth_post_file(sig_url,filename,filelen,"Content-Type: image/jpeg;");
printf("reply:'%s'\n",reply);
if(req_url) free(req_url);
if(postarg) free(postarg);
if(reply) free(reply);
if(t_key) free(t_key);
if(t_secret) free(t_secret);
#ifdef USE_MMAP
munmap(filedata,filelen);
fclose(F);
#else
if(filedata) free(filedata);
#endif
return(0);
}
/**
* Main Test and Example Code.
*
* compile:
* gcc -lssl -loauth -o oauthdatapost oauthdatapost.c
*/
int main (int argc, char **argv) {
char *base_url = "http://mms06.test.mediamatic.nl";
char *filename = "/tmp/test.jpg";
int anyid = 18704;
char *title = "test";
char *url;
if (argc>4) base_url = argv[4];
if (argc>3) title = argv[3];
if (argc>2) anyid = atoi(argv[2]);
if (argc>1) filename = argv[1];
// TODO check if file exists; also read oauth-params from args or file
// anyMeta.nl image-post module URL
url = malloc(1024*sizeof(char));
if (anyid<1 && !title)
sprintf(url,"%s/module/ImagePost/",base_url);
else if (anyid>0 && !title)
sprintf(url,"%s/module/ImagePost/%i?echoid=1",base_url,anyid);
else if (anyid<1 && title) {
char *tp = oauth_url_escape(title);
sprintf(url,"%s/module/ImagePost/?title=%s",base_url,tp);
free(tp);
}
else if (anyid>0 && title) {
char *tp = oauth_url_escape(title);
sprintf(url,"%s/module/ImagePost/%i?echoid=1&title=%s",base_url,anyid,tp);
free(tp);
}
// doit
switch(oauth_image_post(filename, url)) {
case 0:
printf("request ok.\n");
break;
default:
printf("upload failed.\n");
break;
}
return(0);
}
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