bool getCoverFromServer(char* url, char* imgPath, int v, int max){
struct block file;
char* pch;
sprintf(self.debugMsg, TX.getting, url);
Paint_Progress_Generic(v, max,self.debugMsg);
file = downloadfile(url);
if(file.data != NULL && file.size >= 4000){
char* msg = CFMalloc(20*sizeof(char));
strncpy(msg, (char*)file.data,20);
pch = strtok(msg, " ");
if(strcmp(pch,"<!DOCTYPE")==0) //test for a bad file
{
CFFree(msg);
CFFree(file.data);
return false;
}
CFFree(msg);
unlink(imgPath);
saveFile(imgPath, file);
CFFree(file.data);
sprintf(self.debugMsg, TX.done );
Paint_Progress_Generic(v, max,self.debugMsg);
return true;
}
return false;
}
/**
* This function reads all the data from a connection into a buffer which it returns.
* It will return an empty buffer if something doesn't go as planned
*
* @param s32 connection The connection identifier to suck the response out of
* @return block A 'block' struct (see http.h) in which the buffer is located
*/
struct block read_message(s32 connection)
{
//Create a block of memory to put in the response
struct block buffer;
buffer.data = CFMalloc(HTTP_BUFFER_SIZE);
buffer.size = HTTP_BUFFER_SIZE;
if(buffer.data == NULL) {
return emptyblock;
}
//The offset variable always points to the first byte of memory that is free in the buffer
u32 offset = 0;
while(1)
{
//Fill the buffer with a new batch of bytes from the connection,
//starting from where we left of in the buffer till the end of the buffer
s32 bytes_read = net_read(connection, buffer.data + offset, buffer.size - offset);
//Anything below 0 is an error in the connection
if(bytes_read < 0)
{
printf(TX.errorConnect, bytes_read);
return emptyblock;
}
//No more bytes were read into the buffer,
//we assume this means the HTTP response is done
if(bytes_read == 0)
{
break;
}
offset += bytes_read;
//Check if we have enough buffer left over,
//if not expand it with an additional HTTP_BUFFER_GROWTH worth of bytes
if(offset >= buffer.size)
{
buffer.size += HTTP_BUFFER_GROWTH;
buffer.data = CFRealloc(buffer.data, buffer.size);
if(buffer.data == NULL)
{
return emptyblock;
}
}
}
//At the end of above loop offset should be precisely the amount of bytes that were read from the connection
buffer.size = offset;
//Shrink the size of the buffer so the data fits exactly in it
CFRealloc(buffer.data, buffer.size);
return buffer;
}
CFThreadNotify* CFThreadNotifyNew(CFThreadNotifyCb cb, void* userData, CFFdevents* evts)
{
CFThreadNotify* ntf;
if (!(ntf = CFMalloc(sizeof(CFThreadNotify)))) {
LCF_ERR_OUT(ERR_OUT, "out of memory\n");
}
ntf->evts = evts;
ntf->userData = userData;
ntf->cb = cb;
if (pipe2(ntf->pipeFd, O_NONBLOCK|O_CLOEXEC)) {
LCF_ERR_OUT(ERR_FREE_NTF, "pipe2() failed\n");
}
if (!(ntf->rdEvt = CFFdeventNew(ntf->pipeFd[0], "ThreadNotifyRdEvt",
ThreadNotifyReadable, ntf, NULL, NULL, NULL, NULL))) {
LCF_ERR_OUT(ERR_CLOSE_PIPE, "CFFdeventNew() failed\n");
}
if (CFFdeventsAdd(evts, ntf->rdEvt)) {
LCF_ERR_OUT(ERR_DESTY_RD_EVT, "CFFdeventsAdd() failed\n");
}
return ntf;
ERR_DEL_RD_EVT:
CFFdeventsDel(evts, ntf->rdEvt);
ERR_DESTY_RD_EVT:
CFFdeventFree(ntf->rdEvt);
ERR_CLOSE_PIPE:
close(ntf->pipeFd[0]);
close(ntf->pipeFd[1]);
ERR_FREE_NTF:
CFFree(ntf);
ERR_OUT:
return NULL;
}
bool downloadTitles(){
//WindowPrompt(TX.error, "Error initializing network\nTitles.txt can't be downloaded.", &okButton, 0);
char titlesPath[100];
struct block file;
//snprintf(titlesPath, sizeof(titlesPath), "%s/titles.txt", USBLOADER_PATH);
snprintf(titlesPath, sizeof(titlesPath), "%s/titles.txt", dynPath.dir_usb_loader);
//file = downloadfile("http://www.wiiboxart.com/titles.txt");
file = downloadfile("http://wiitdb.com/titles.txt");
if(file.data != NULL){
char* pch;
char* msg = CFMalloc(20*sizeof(char));
strncpy(msg, (char*)file.data,20);
pch = strtok(msg, " ");
if(strcmp(pch,"<!DOCTYPE")==0) //test for a bad file
{
CFFree(msg);
CFFree(file.data);
return false;
}
CFFree(msg);
unlink(titlesPath);
if(saveFile(titlesPath, file))
{
CFFree(file.data);
return true;
}
else{
CFFree(file.data);
return false;
}
}
return false;
}
bool Load_Dol(void **buffer, int* dollen, char * filepath)
{
int ret;
FILE* file;
void* dol_buffer;
char fullpath[200];
char gameidbuffer6[7];
memset(gameidbuffer6, 0, 7);
memcpy(gameidbuffer6, (char*)0x80000000, 6);
snprintf(fullpath, 200, "%s/%s.dol", filepath, gameidbuffer6);
SDCard_Init();
USBDevice_Init();
file = fopen(fullpath, "rb");
if(file == NULL)
{
#ifdef DEBTXT_ALTDOL
DebTxt(".dol is missing");
#endif
fclose(file);
SDCard_deInit();
USBDevice_deInit();
return false;
}
ClearAllocatedMemory();
int filesize;
fseek(file, 0, SEEK_END);
filesize = ftell(file);
fseek(file, 0, SEEK_SET);
#ifdef LOUDTEST
dol_buffer = (void *) MEM2_START_ADDRESS; //safest
#else
dol_buffer = CFMalloc(filesize);
#endif
if (dol_buffer == NULL)
{
#ifdef DEBTXT_ALTDOL
char dbg[80];
DebTxt("Out of memory");
sprintf(dbg,"%s %d", gameidbuffer6, filesize);
DebTxt(dbg);
#endif
fclose(file);
SDCard_deInit();
USBDevice_deInit();
return false;
}
ret = fread( dol_buffer, 1, filesize, file);
if(ret != filesize)
{
#ifdef DEBTXT_ALTDOL
DebTxt("Error reading dol header");
#endif
#ifndef LOUDTEST
CFFree(dol_buffer);
#endif
fclose(file);
SDCard_deInit();
USBDevice_deInit();
return false;
}
fclose(file);
#ifdef DEBTXT_ALTDOL
DebTxt("dol header in buffer");
#endif
SDCard_deInit();
USBDevice_deInit();
*buffer = dol_buffer;
*dollen = filesize;
return true;
}
/**
* Downloads the contents of a URL to memory
* This method is not threadsafe (because networking is not threadsafe on the Wii)
*/
struct block downloadfile(const char *url)
{
//Check if the url starts with "http://", if not it is not considered a valid url
if(strncmp(url, "http://", strlen("http://")) != 0)
{
sprintf(emptyblock.error,TX.URLnoBegin, url); //doen't start with http://
return emptyblock;
}
//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)
{
sprintf(emptyblock.error,TX.URLnoPath, url); //no path part in URL
return emptyblock;
}
//Extract the domain part out of the url
int domainlength = path - url - strlen("http://");
if(domainlength == 0)
{
sprintf(emptyblock.error,TX.URLnoDomain, url); //couldn't find a domain in url
return emptyblock;
}
char domain[domainlength + 1];
strncpy(domain, url + strlen("http://"), domainlength);
domain[domainlength] = '\0';
//Parsing of the URL is done, start making an actual connection
u32 ipaddress = getipbyname(domain); //slower but doesn't leak memory
if(ipaddress == 0)
{
sprintf(emptyblock.error,TX.errorDomain, domain); //couldn't resolve domain
return emptyblock;
}
s32 connection = server_connect(ipaddress, 80);
if(connection < 0) {
sprintf(emptyblock.error,TX.errEstablishConn); //couldn't establish connection
return emptyblock;
}
//Form a nice request header to send to the webserver
char* headerformat = "GET %s HTTP/1.0\r\nHost: %s\r\nUser-Agent: WiiEarthh 1.0\r\n\r\n";;
char header[strlen(headerformat) + strlen(domain) + strlen(path)];
sprintf(header, headerformat, path, domain);
//Do the request and get the response
send_message(connection, header);
struct block response = read_message(connection);
net_close(connection);
//Search for the 4-character sequence \r\n\r\n in the response which signals the start of the http payload (file)
unsigned char *filestart = NULL;
u32 filesize = 0;
int i;
for(i = 3; i < response.size; i++)
{
if(response.data[i] == '\n' &&
response.data[i-1] == '\r' &&
response.data[i-2] == '\n' &&
response.data[i-3] == '\r')
{
filestart = response.data + i + 1;
filesize = response.size - i - 1;
break;
}
}
if(filestart == NULL)
{
sprintf(emptyblock.error,TX.HTTPnoFile);
return emptyblock;
}
//Copy the file part of the response into a new memoryblock to return
struct block file;
file.data = CFMalloc(filesize);
file.size = filesize;
if(file.data == NULL)
{
sprintf(emptyblock.error,TX.noMemCopy ); //couldn't copy the file to the block
CFFree(response.data);
return emptyblock;
}
memcpy(file.data, filestart, filesize);
//Dispose of the original response
CFFree(response.data);
return file;
}
