static void handle_udp_recv_slave(void *arg, struct udp_pcb *pcb, struct pbuf *p, ip_addr_t *addr, u16_t port) {
os_printf("UDP Receive: %s \r\n", p->payload);
while(lock) { os_delay_us(100); }
network_request(p->payload, addr->addr);
os_printf("all callbacks done\r\n");
pbuf_free(p);
os_printf("freeing pbuf \r\n");
}
/****************************************************************************
* Download request
***************************************************************************/
s32 download_request(const char * url, char * filename)
{
//Check if the url starts with "http://", if not it is not considered a valid url
if (strncmp(url, "http://", strlen("http://")) != 0)
{
return -1;
}
//Locate the path part of the url by searching for '/' past "http://"
char *path = strchr(url + strlen("http://"), '/');
//At the very least the url has to end with '/', ending with just a domain is invalid
if (path == NULL)
{
return -1;
}
//Extract the domain part out of the url
int domainlength = path - url - strlen("http://");
if (domainlength == 0)
{
return -1;
}
char domain[domainlength + 1];
strlcpy(domain, url + strlen("http://"), domainlength + 1);
connection = GetConnection(domain);
if (connection < 0)
{
return -1;
}
//Form a nice request header to send to the webserver
char header[strlen(path) + strlen(domain) + strlen(url) + 100];
sprintf(header, "GET %s HTTP/1.1\r\nHost: %s\r\nReferer: %s\r\nUser-Agent: USBLoaderGX\r\nConnection: close\r\n\r\n", path, domain, url);
s32 filesize = network_request(connection, header, filename);
return filesize;
}
/****************************************************************************
* Download a file from a given url with a Progressbar
****************************************************************************/
int DownloadFileToMem(const char *url, u8 **inbuffer, u32 *size)
{
if(strncasecmp(url, "http://", strlen("http://")) != 0)
{
ShowError(tr("Not a valid URL"));
return -1;
}
char *path = strchr(url + strlen("http://"), '/');
if(!path)
{
ShowError(tr("Not a valid URL path"));
return -2;
}
int domainlength = path - url - strlen("http://");
if(domainlength == 0)
{
ShowError(tr("Not a valid domain"));
return -3;
}
char domain[domainlength + 1];
strncpy(domain, url + strlen("http://"), domainlength);
domain[domainlength] = '\0';
int connection = GetConnection(domain);
if(connection < 0)
{
ShowError(tr("Could not connect to the server."));
return -4;
}
char header[1024];
char * ptr = header;
ptr += sprintf(ptr, "GET %s HTTP/1.1\r\n", path);
ptr += sprintf(ptr, "Host: %s\r\n", domain);
ptr += sprintf(ptr, "Referer: %s\r\n", domain);
ptr += sprintf(ptr, "User-Agent: USB Loader GX\r\n");
ptr += sprintf(ptr, "Pragma: no-cache\r\n");
ptr += sprintf(ptr, "Cache-Control: no-cache\r\n");
ptr += sprintf(ptr, "Connection: close\r\n\r\n");
char filename[255];
memset(filename, 0, sizeof(filename));
int filesize = network_request(connection, header, filename);
if(filesize <= 0)
{
net_close(connection);
ShowError(tr("Filesize is 0 Byte."));
return -5;
}
int blocksize = 4*1024;
u8 * buffer = (u8 *) malloc(filesize);
if(!buffer)
{
net_close(connection);
ShowError(tr("Not enough memory."));
return -6;
}
ProgressCancelEnable(true);
StartProgress(tr("Downloading file..."), 0, filename, true, true);
int done = 0;
while(done < filesize)
{
if(ProgressCanceled())
{
done = PROGRESS_CANCELED;
break;
}
ShowProgress(done, filesize);
if(blocksize > filesize - done)
blocksize = filesize - done;
s32 read = network_read(connection, buffer+done, blocksize);
if(read < 0)
{
done = -8;
ShowError(tr("Transfer failed"));
break;
}
else if(!read)
break;
done += read;
}
ProgressStop();
ProgressCancelEnable(false);
net_close(connection);
if(done < 0)
{
free(buffer);
return done;
}
*inbuffer = buffer;
*size = filesize;
return done;
}
/****************************************************************************
* Download a file from a given url to a given path with a Progressbar
****************************************************************************/
int DownloadFileToPath(const char *orig_url, const char *dest, bool UseFilename)
{
if(!orig_url || !dest)
{
ShowError(tr("No URL or Path specified."));
return -2;
}
bool addhttp = false;
if(strncasecmp(orig_url, "http://", strlen("http://")) != 0)
{
addhttp = true;
}
char url[strlen(orig_url) + (addhttp ? strlen("http://") : 0) + 1];
if(addhttp)
snprintf(url, sizeof(url), "http://%s", orig_url);
else
strcpy(url, orig_url);
char *path = strchr(url + strlen("http://"), '/');
if(!path)
{
ShowError(tr("Not a valid URL path"));
return -2;
}
int domainlength = path - url - strlen("http://");
if(domainlength == 0)
{
ShowError(tr("Not a valid domain"));
return -3;
}
char domain[domainlength + 1];
strncpy(domain, url + strlen("http://"), domainlength);
domain[domainlength] = '\0';
int connection = GetConnection(domain);
if(connection < 0)
{
ShowError(tr("Could not connect to the server."));
return -4;
}
char header[1024];
char * ptr = header;
ptr += sprintf(ptr, "GET %s HTTP/1.1\r\n", path);
ptr += sprintf(ptr, "Host: %s\r\n", domain);
ptr += sprintf(ptr, "Referer: %s\r\n", domain);
ptr += sprintf(ptr, "User-Agent: WiiXplorer\r\n");
ptr += sprintf(ptr, "Pragma: no-cache\r\n");
ptr += sprintf(ptr, "Cache-Control: no-cache\r\n");
ptr += sprintf(ptr, "Connection: close\r\n\r\n");
char filename[255];
memset(filename, 0, sizeof(filename));
int filesize = network_request(connection, header, filename);
if(filesize <= 0)
{
net_close(connection);
ShowError(tr("Filesize is %i Byte."), filesize);
return -5;
}
int blocksize = 4*1024;
u8 *buffer = (u8 *) malloc(blocksize);
if(!buffer)
{
net_close(connection);
ShowError(tr("Not enough memory."));
return -6;
}
if(UseFilename)
{
if(dest[strlen(dest)-1] != '/')
strcat((char *) dest, "/");
CreateSubfolder(dest);
strcat((char *) dest, filename);
}
if(!UseFilename && strcmp(filename, "") == 0)
{
const char * ptr = strrchr(dest, '/');
if(ptr) ptr++;
else ptr = dest;
snprintf(filename, sizeof(filename), "%s", ptr);
}
FILE *file = fopen(dest, "wb");
if(!file)
{
net_close(connection);
free(buffer);
ShowError(tr("Cannot write to destination."));
return -7;
}
ProgressCancelEnable(true);
StartProgress(tr("Downloading file..."), 0, filename, true, true);
int done = 0;
while(done < filesize)
{
if(ProgressCanceled())
{
done = PROGRESS_CANCELED;
break;
}
ShowProgress(done, filesize);
if(blocksize > filesize - done)
blocksize = filesize - done;
s32 read = network_read(connection, buffer, blocksize);
if(read < 0)
{
done = -8;
ShowError(tr("Transfer failed"));
break;
}
else if(!read)
break;
fwrite(buffer, 1, read, file);
done += read;
}
free(buffer);
ProgressStop();
net_close(connection);
fclose(file);
ProgressStop();
ProgressCancelEnable(false);
return done;
}
