static void
handleDirectory(TSession *const sessionP,
const char *const dirName,
time_t const fileModTime,
MIMEType *const mimeTypeP) {
bool text;
bool ascending;
uint16_t sort; /* 1=by name, 2=by date */
const char *error;
determineSortType(sessionP->requestInfo.query,
&ascending, &sort, &text, &error);
if (error) {
ResponseStatus(sessionP, 400);
xmlrpc_strfree(error);
} else if (notRecentlyModified(sessionP, fileModTime)) {
ResponseStatus(sessionP, 304);
ResponseWriteStart(sessionP);
} else {
TPool pool;
bool succeeded;
succeeded = PoolCreate(&pool, 1024);
if (!succeeded)
ResponseStatus(sessionP, 500);
else {
TList list;
uint16_t responseStatus;
const char *error;
generateListing(&list, dirName, sessionP->requestInfo.uri,
&pool, &error, &responseStatus);
if (error) {
ResponseStatus(sessionP, responseStatus);
xmlrpc_strfree(error);
} else {
ResponseStatus(sessionP, 200);
ResponseContentType(sessionP,
text ? "text/plain" : "text/html");
addLastModifiedHeader(sessionP, fileModTime);
ResponseChunked(sessionP);
ResponseWriteStart(sessionP);
if (sessionP->requestInfo.method != m_head)
sendDirectoryDocument(&list, ascending, sort, text,
sessionP->requestInfo.uri, mimeTypeP,
sessionP);
HTTPWriteEndChunk(sessionP);
ListFree(&list);
}
PoolFree(&pool);
}
}
}
static void
handleFile(TSession *const sessionP,
const char *const fileName,
time_t const fileModTime,
MIMEType *const mimeTypeP) {
/*----------------------------------------------------------------------------
This is an HTTP request handler for a GET. It does the classic
web server thing: send the file named in the URL to the client.
-----------------------------------------------------------------------------*/
TFile *fileP;
bool success;
success = FileOpen(&fileP, fileName, O_BINARY | O_RDONLY);
if (!success)
ResponseStatusErrno(sessionP);
else {
if (notRecentlyModified(sessionP, fileModTime)) {
ResponseStatus(sessionP, 304);
ResponseWriteStart(sessionP);
} else
sendFileAsResponse(sessionP, fileP,
fileName, fileModTime, mimeTypeP);
FileClose(fileP);
}
}
static void
sendFileAsResponse(TSession *const sessionP,
TFile *const fileP,
const char *const fileName,
time_t const fileModTime,
MIMEType *const mimeTypeP) {
uint64_t const filesize = FileSize(fileP);
const char *const mediatype = MIMETypeGuessFromFile2(mimeTypeP, fileName);
uint64_t start; /* Defined only if session has one range */
uint64_t end; /* Defined only if session has one range */
switch (sessionP->ranges.size) {
case 0:
ResponseStatus(sessionP, 200);
break;
case 1: {
bool decoded;
decoded = RangeDecode((char *) (sessionP->ranges.item[0]), filesize,
&start, &end);
if (!decoded) {
ListFree(&sessionP->ranges);
ResponseStatus(sessionP, 200);
} else {
const char *contentRange;
xmlrpc_asprintf(&contentRange,
"bytes %" PRIu64 "-%" PRIu64 "/%" PRIu64,
start, end, filesize);
ResponseAddField(sessionP, "Content-range", contentRange);
xmlrpc_strfree(contentRange);
ResponseContentLength(sessionP, end - start + 1);
ResponseStatus(sessionP, 206);
}
}
break;
default:
ResponseContentType(sessionP,
"multipart/ranges; boundary=" BOUNDARY);
ResponseStatus(sessionP, 206);
break;
}
if (sessionP->ranges.size == 0) {
ResponseContentLength(sessionP, filesize);
ResponseContentType(sessionP, mediatype);
}
addLastModifiedHeader(sessionP, fileModTime);
ResponseWriteStart(sessionP);
if (sessionP->requestInfo.method != m_head)
sendBody(sessionP, fileP, filesize, mediatype, start, end);
}
static void
sendResponse(xmlrpc_env * const envP,
TSession * const abyssSessionP,
const char * const body,
size_t const len,
bool const chunked,
ResponseAccessCtl const accessControl) {
/*----------------------------------------------------------------------------
Generate an HTTP response containing body 'body' of length 'len'
characters.
This is meant to run in the context of an Abyss URI handler for
Abyss session 'abyssSessionP'.
-----------------------------------------------------------------------------*/
const char * http_cookie = NULL;
/* This used to set http_cookie to getenv("HTTP_COOKIE"), but
that doesn't make any sense -- environment variables are not
appropriate for this. So for now, cookie code is disabled.
- Bryan 2004.10.03.
*/
/* Various bugs before Xmlrpc-c 1.05 caused the response to be not
chunked in the most basic case, but chunked if the client explicitly
requested keepalive. I think it's better not to chunk, because
it's simpler, so I removed this in 1.05. I don't know what the
purpose of chunking would be, and an original comment suggests
the author wasn't sure chunking was a good idea.
In 1.06 we added the user option to chunk.
*/
if (chunked)
ResponseChunked(abyssSessionP);
ResponseStatus(abyssSessionP, 200);
if (http_cookie)
/* There's an auth cookie, so pass it back in the response. */
addAuthCookie(envP, abyssSessionP, http_cookie);
if ((size_t)(uint32_t)len != len)
xmlrpc_faultf(envP, "XML-RPC method generated a response too "
"large for Abyss to send");
else {
uint32_t const abyssLen = (uint32_t)len;
/* See discussion below of quotes around "utf-8" */
ResponseContentType(abyssSessionP, "text/xml; charset=utf-8");
ResponseContentLength(abyssSessionP, abyssLen);
ResponseAccessControl(abyssSessionP, accessControl);
ResponseWriteStart(abyssSessionP);
ResponseWriteBody(abyssSessionP, body, abyssLen);
ResponseWriteEnd(abyssSessionP);
}
}
void
AbyssServer::Session::Impl::startWriteResponse() {
// Note that ResponseWriteStart() assumes no response has been started; it
// asserts that fact.
if (this->responseStarted)
throwf("Attempt to write multiple responses in same session");
ResponseWriteStart(this->cSessionP);
this->responseStarted = true;
}
void Answer(TSession *r, uint16_t statuscode, char *buffer)
{
ResponseChunked(r);
ResponseStatus(r,statuscode);
ResponseContentType(r,"text/html");
ResponseWriteStart(r);
HTTPWrite(r,"<HTML><BODY>",12);
HTTPWrite(r,buffer,strlen(buffer));
HTTPWrite(r,"</BODY></HTML>",14);
HTTPWriteEnd(r);
}
/**************************************
* SendResponse
* Envia la respuesta de una peticion
**************************************/
int XmlRpcServer::SendResponse(TSession *r, short code, const char *msg, int length)
{
//Chunked output
ResponseChunked(r);
//POnemos el codigo
ResponseStatus(r,code);
//El content length
ResponseContentLength(r, length);
//Escribimos la respuesta
ResponseWriteStart(r);
//La mandamos
ResponseWriteBody(r,(char*)msg,length);
//End it
ResponseWriteEnd(r);
return 1;
}
void
ResponseError2(TSession * const sessionP,
const char * const explanation) {
const char * errorDocument;
ResponseAddField(sessionP, "Content-type", "text/html");
ResponseWriteStart(sessionP);
xmlrpc_asprintf(&errorDocument,
"<HTML><HEAD><TITLE>Error %d</TITLE></HEAD>"
"<BODY>"
"<H1>Error %d</H1>"
"<P>%s</P>" SERVER_HTML_INFO
"</BODY>"
"</HTML>",
sessionP->status, sessionP->status, explanation);
ConnWrite(sessionP->connP, errorDocument, strlen(errorDocument));
xmlrpc_strfree(errorDocument);
}
