void bufferFromBlock(KviCString & szBuffer)
{
szBuffer.trim();
if((*(szBuffer.ptr()) == '{') && szBuffer.lastCharIs('}'))
{
// leading and trailing { must be stripped
szBuffer.cutLeft(1);
szBuffer.cutRight(1);
}
unindent(szBuffer);
szBuffer.trim();
}
bool hasLeadingChars(KviCString ** pszArray, char c)
{
if(!(*pszArray))
return false; // can't have more leading chars
bool bGotIt = false;
while(*pszArray)
{
if(*((*pszArray)->ptr()) == c)
{
// found at least one such leading char
bGotIt = true;
} else {
// we pretend this line to be empty
KviCString szTmp = *(*pszArray);
szTmp.trim();
if(szTmp.hasData())
return false;
*(*pszArray) = ""; // set it to empty also in the main buffer
}
pszArray++;
}
return bGotIt;
}
bool KviHttpRequest::processHeader(KviCString &szHeader)
{
int idx = szHeader.findFirstIdx("\r\n");
KviCString szResponse;
if(idx != -1)
{
szResponse = szHeader.left(idx);
szHeader.cutLeft(idx + 2);
} else {
szResponse = szHeader;
szHeader = "";
}
szResponse.trim();
bool bValid = false;
unsigned int uStatus = 0;
// check the response value
if(kvi_strEqualCSN(szResponse.ptr(),"HTTP",4))
{
KviCString szR = szResponse;
szR.cutToFirst(' ');
szR.trim();
int idx = szR.findFirstIdx(' ');
KviCString szNumber;
if(idx != -1)szNumber = szR.left(idx);
else szNumber = szR;
bool bOk;
uStatus = szNumber.toUInt(&bOk);
if(bOk)bValid = true;
}
QString szUniResponse = QString::fromUtf8(szResponse.ptr());
if(!bValid)
{
// the response is invalid ?
resetInternalStatus();
m_szLastError = __tr2qs("Invalid HTTP response: %1").arg(szUniResponse);
emit terminated(false);
return false;
}
emit status(__tr2qs("Received HTTP response: %1").arg(szUniResponse));
KviPointerList<KviCString> hlist;
hlist.setAutoDelete(true);
idx = szHeader.findFirstIdx("\r\n");
while(idx != -1)
{
if(idx > 0)
{
hlist.append(new KviCString(szHeader.ptr(),idx));
szHeader.cutLeft(idx + 2);
}
idx = szHeader.findFirstIdx("\r\n");
}
if(szHeader.hasData())hlist.append(new KviCString(szHeader));
KviPointerHashTable<const char *,KviCString> hdr(11,false,true);
hdr.setAutoDelete(true);
for(KviCString * s = hlist.first();s;s = hlist.next())
{
idx = s->findFirstIdx(":");
if(idx != -1)
{
KviCString szName = s->left(idx);
s->cutLeft(idx + 1);
s->trim();
hdr.replace(szName.ptr(),new KviCString(*s));
//qDebug("FOUND HEADER (%s)=(%s)",szName.ptr(),s->ptr());
}
}
KviCString * size = hdr.find("Content-length");
if(size)
{
bool bOk;
m_uTotalSize = size->toUInt(&bOk);
if(!bOk)m_uTotalSize = 0;
}
KviCString * contentEncoding = hdr.find("Content-encoding");
if(contentEncoding)
{
m_bGzip = contentEncoding->equalsCI("gzip");
}
KviCString * transferEncoding = hdr.find("Transfer-Encoding");
if(transferEncoding)
{
if(kvi_strEqualCI(transferEncoding->ptr(),"chunked"))
{
// be prepared to handle the chunked transfer encoding as required by HTTP/1.1
m_bChunkedTransferEncoding = true;
m_uRemainingChunkSize = 0;
}
}
// check the status
// case 200: // OK
// case 206: // Partial content
// case 100: // Continue ??
// case 101: // Switching protocols ???
// case 201: // Created
// case 202: // Accepted
// case 203: // Non-Authoritative Information
// case 204: // No content
// case 205: // Reset content
// case 300: // Multiple choices
// case 301: // Moved permanently
// case 302: // Found
// case 303: // See Other
// case 304: // Not modified
// case 305: // Use Proxy
// case 306: // ???
// case 307: // Temporary Redirect
// case 400: // Bad request
// case 401: // Unauthorized
// case 402: // Payment Required
// case 403: // Forbidden
// case 404: // Not found
// case 405: // Method not allowed
// case 406: // Not acceptable
// case 407: // Proxy authentication required
// case 408: // Request timeout
// case 409: // Conflict
// case 410: // Gone
// case 411: // Length required
// case 412: // Precondition failed
// case 413: // Request entity too large
// case 414: // Request-URI Too Long
// case 415: // Unsupported media type
// case 416: // Requested range not satisfiable
// case 417: // Expectation Failed
// case 500: // Internal server error
// case 501: // Not implemented
// case 502: // Bad gateway
// case 503: // Service unavailable
// case 504: // Gateway timeout
// case 505: // HTTP Version not supported
if(
(uStatus != 200) && // OK
(uStatus != 206) // Partial content
)
{
// This is not "OK" and not "Partial content"
// Error, redirect or something confusing
if(m_eProcessingType != HeadersOnly)
{
switch(uStatus)
{
case 301: // Moved permanently
case 302: // Found
case 303: // See Other
case 307: // Temporary Redirect
{
if(!m_bFollowRedirects)
{
resetInternalStatus();
m_szLastError = szResponse.ptr();
emit terminated(false);
return false;
}
m_uRedirectCount++;
if(m_uRedirectCount > m_uMaximumRedirectCount)
{
resetInternalStatus();
m_szLastError = __tr2qs("Too many redirects");
emit terminated(false);
return false;
}
KviCString * location = hdr.find("Location");
if(!location)
{
resetInternalStatus();
m_szLastError = __tr2qs("Bad redirect");
emit terminated(false);
return false;
}
KviUrl url(location->ptr());
if(
(url.url() == m_connectionUrl.url()) ||
(url.url() == m_url.url())
)
{
resetInternalStatus();
m_szLastError = __tr2qs("Redirect loop");
emit terminated(false);
return false;
}
m_connectionUrl = url;
emit status(__tr2qs("Following Redirect to %1").arg(url.url()));
if(!start())
emit terminated(false);
return false; // will exit the call stack
}
break;
break;
default:
// assume error
resetInternalStatus();
m_szLastError = szResponse.ptr();
emit terminated(false);
return false;
break;
}
// this is an error then
} // else the server will terminate (it was a HEAD request)
}
emit receivedResponse(szUniResponse);
emit header(&hdr);
if((m_uMaxContentLength > 0) && (m_uTotalSize > ((unsigned int)m_uMaxContentLength)))
{
resetInternalStatus();
m_szLastError=__tr2qs("The amount of received data exceeds the maximum length");
emit terminated(false);
return false;
}
// fixme: could check for data type etc...
return true;
}
bool KviMessageCatalogue::load(const QString & szName)
{
QString szCatalogueFile(szName);
// Try to load the header
KviFile f(szCatalogueFile);
if(!f.open(QFile::ReadOnly))
{
qDebug("[KviLocale]: Failed to open the messages file %s: probably doesn't exist",szCatalogueFile.toUtf8().data());
return false;
}
GnuMoFileHeader hdr;
if(f.read((char *)&hdr,sizeof(GnuMoFileHeader)) < (int)sizeof(GnuMoFileHeader))
{
qDebug("KviLocale: Failed to read header of %s",szCatalogueFile.toUtf8().data());
f.close();
return false;
}
bool bMustSwap = false;
if(hdr.magic != KVI_LOCALE_MAGIC)
{
if(hdr.magic == KVI_LOCALE_MAGIC_SWAPPED)
{
qDebug("KviLocale: Swapped magic for file %s: swapping data too",szCatalogueFile.toUtf8().data());
bMustSwap = true;
} else {
qDebug("KviLocale: Bad locale magic for file %s: not a *.mo file ?",szCatalogueFile.toUtf8().data());
f.close();
return false;
}
}
if(KVI_SWAP_IF_NEEDED(bMustSwap,hdr.revision) != MO_REVISION_NUMBER)
{
qDebug("KviLocale: Invalid *.mo file revision number for file %s",szCatalogueFile.toUtf8().data());
f.close();
return false;
}
int iStringsNum = KVI_SWAP_IF_NEEDED(bMustSwap,hdr.nstrings);
if(iStringsNum <= 0)
{
qDebug("KviLocale: No translated messages found in file %s",szCatalogueFile.toUtf8().data());
f.close();
return false;
}
if(iStringsNum >= 9972)
{
qDebug("Number of strings too big...sure that it is a KVIrc catalog file ?");
iStringsNum = 9972;
}
// return back
f.seek(0);
unsigned int uSize = f.size();
char * pcBuffer = (char *)KviMemory::allocate(uSize);
// FIXME: maybe read it in blocks eh ?
if(f.read(pcBuffer,uSize) < (int)uSize)
{
qDebug("KviLocale: Error while reading the translation file %s",szCatalogueFile.toUtf8().data());
KviMemory::free(pcBuffer);
f.close();
return false;
}
// Check for broken *.mo files
if(uSize < (24 + (sizeof(GnuMoStringDescriptor) * iStringsNum)))
{
qDebug("KviLocale: Broken translation file %s (too small for all descriptors)",szCatalogueFile.toUtf8().data());
KviMemory::free(pcBuffer);
f.close();
return false;
}
GnuMoStringDescriptor * pOrigDescriptor = (GnuMoStringDescriptor *)(pcBuffer + KVI_SWAP_IF_NEEDED(bMustSwap,hdr.orig_tab_offset));
GnuMoStringDescriptor * pTransDescriptor = (GnuMoStringDescriptor *)(pcBuffer + KVI_SWAP_IF_NEEDED(bMustSwap,hdr.trans_tab_offset));
// Check again for broken *.mo files
int iExpectedFileSize = KVI_SWAP_IF_NEEDED(bMustSwap,pTransDescriptor[iStringsNum - 1].offset) +
KVI_SWAP_IF_NEEDED(bMustSwap,pTransDescriptor[iStringsNum - 1].length);
if(uSize < (unsigned int)iExpectedFileSize)
{
qDebug("KviLocale: Broken translation file %s (too small for all the message strings)",szCatalogueFile.toUtf8().data());
KviMemory::free(pcBuffer);
f.close();
return false;
}
// Ok...we can run now
int iDictSize = kvi_getFirstBiggerPrime(iStringsNum);
if(m_pMessages)
delete m_pMessages;
m_pMessages = new KviPointerHashTable<const char *,KviTranslationEntry>(iDictSize,true,false); // dictSize, case sensitive, don't copy keys
m_pMessages->setAutoDelete(true);
KviCString szHeader;
for(int i = 0; i < iStringsNum; i++)
{
// FIXME: "Check for NULL inside strings here ?"
//qDebug("original seems to be at %u and %u byttes long",KVI_SWAP_IF_NEEDED(bMustSwap,pOrigDescriptor[i].offset),
// KVI_SWAP_IF_NEEDED(bMustSwap,pOrigDescriptor[i].length));
//qDebug("translated seems to be at %u and %u byttes long",KVI_SWAP_IF_NEEDED(bMustSwap,pTransDescriptor[i].offset),
// KVI_SWAP_IF_NEEDED(bMustSwap,pTransDescriptor[i].length));
KviTranslationEntry * e = new KviTranslationEntry(
(char *)(pcBuffer + KVI_SWAP_IF_NEEDED(bMustSwap,pOrigDescriptor[i].offset)),
KVI_SWAP_IF_NEEDED(bMustSwap,pOrigDescriptor[i].length),
(char *)(pcBuffer + KVI_SWAP_IF_NEEDED(bMustSwap,pTransDescriptor[i].offset)),
KVI_SWAP_IF_NEEDED(bMustSwap,pTransDescriptor[i].length));
// In some (or all?) *.mo files the first string
// is zero bytes long and the translated one contains
// information about the translation
if(e->m_szKey.len() == 0)
{
szHeader = e->m_szEncodedTranslation;
delete e;
continue;
}
m_pMessages->insert(e->m_szKey.ptr(),e);
}
KviMemory::free(pcBuffer);
f.close();
m_pTextCodec = 0;
// find out the text encoding, if possible
if(szHeader.hasData())
{
// find "charset=*\n"
int iIdx = szHeader.findFirstIdx("charset=");
if(iIdx != -1)
{
szHeader.cutLeft(iIdx + 8);
szHeader.cutFromFirst('\n');
szHeader.trim();
m_pTextCodec = KviLocale::instance()->codecForName(szHeader.ptr());
if(!m_pTextCodec)
{
qDebug("Can't find the codec for charset=%s",szHeader.ptr());
qDebug("Falling back to codecForLocale()");
m_pTextCodec = QTextCodec::codecForLocale();
}
}
}
if(!m_pTextCodec)
{
qDebug("The message catalogue does not have a \"charset\" header");
qDebug("Assuming utf8"); // FIXME: or codecForLocale() ?
m_pTextCodec = QTextCodec::codecForName("UTF-8");
}
return true;
}
