usbloadergx/source/network/FileDownloader.cpp

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/***************************************************************************
* Copyright (C) 2010
* by Dimok
*
* This software is provided 'as-is', without any express or implied
* warranty. In no event will the authors be held liable for any
* damages arising from the use of this software.
*
* Permission is granted to anyone to use this software for any
* purpose, including commercial applications, and to alter it and
* redistribute it freely, subject to the following restrictions:
*
* 1. The origin of this software must not be misrepresented; you
* must not claim that you wrote the original software. If you use
* this software in a product, an acknowledgment in the product
* documentation would be appreciated but is not required.
*
* 2. Altered source versions must be plainly marked as such, and
* must not be misrepresented as being the original software.
*
* 3. This notice may not be removed or altered from any source
* distribution.
*
* for WiiXplorer 2010
***************************************************************************/
#include <ogcsys.h>
#include <stdio.h>
#include <string.h>
#include "language/gettext.h"
#include "networkops.h"
#include "http.h"
#include "FileOperations/fileops.h"
#include "prompts/PromptWindows.h"
#include "prompts/ProgressWindow.h"
#include "utils/ShowError.h"
/****************************************************************************
* 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, (char *) &filename);
if(filesize <= 0)
{
net_close(connection);
ShowError(tr("Filesize is 0 Byte."));
return -5;
}
int blocksize = 10*1024;
u8 * buffer = (u8 *) malloc(filesize);
if(!buffer)
{
net_close(connection);
ShowError(tr("Not enough memory."));
return -6;
}
int done = 0;
while(done < filesize)
{
ShowProgress(tr("Downloading file..."), 0, filename, (f32) done, (f32) filesize, true, true);
if(blocksize > filesize - done)
blocksize = filesize - done;
s32 read = network_read(connection, buffer+done, blocksize);
if(read < 0)
{
free(buffer);
ProgressStop();
net_close(connection);
ShowError(tr("Transfer failed"));
return -8;
}
else if(!read)
break;
done += read;
}
ProgressStop();
net_close(connection);
*inbuffer = buffer;
*size = filesize;
return 1;
}
/****************************************************************************
* 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, (char *) &filename);
if(filesize <= 0)
{
net_close(connection);
ShowError(tr("Filesize is %i Byte."), filesize);
return -5;
}
int blocksize = 10*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;
}
int done = 0;
while(done < filesize)
{
ShowProgress(tr("Downloading file..."), 0, filename, (f32) done, (f32) filesize, true, true);
if(blocksize > filesize - done)
blocksize = filesize - done;
s32 read = network_read(connection, buffer, blocksize);
if(read < 0)
{
free(buffer);
ProgressStop();
net_close(connection);
fclose(file);
ShowError(tr("Transfer failed"));
return -8;
}
else if(!read)
break;
fwrite(buffer, 1, read, file);
done += read;
}
free(buffer);
ProgressStop();
net_close(connection);
fclose(file);
return done;
}