+++ /dev/null
-/*
- * Entry point for GroupDAV functions
- *
- * Copyright (c) 2005-2012 by the citadel.org team
- *
- * This program is open source software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License, version 3.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- */
-
-#include "webcit.h"
-#include "webserver.h"
-#include "dav.h"
-
-CtxType CTX_DAVNS = CTX_NONE;
-extern HashList *HandlerHash;
-
-HashList *DavNamespaces = NULL;
-
-/*
- * Output HTTP headers which are common to all requests.
- *
- * Please observe that we don't use the usual output_headers()
- * and wDumpContent() functions in the GroupDAV subsystem, so we
- * do our own header stuff here.
- *
- */
-void dav_common_headers(void) {
- hprintf(
- "Server: %s / %s\r\n"
- "Connection: close\r\n",
- PACKAGE_STRING, ChrPtr(WC->serv_info->serv_software)
- );
-}
-
-
-
-/*
- * string conversion function
- */
-void euid_escapize(char *target, const char *source) {
- int i, len;
- int target_length = 0;
-
- strcpy(target, "");
- len = strlen(source);
- for (i=0; i<len; ++i) {
- if ( (isalnum(source[i])) || (source[i]=='-') || (source[i]=='_') ) {
- target[target_length] = source[i];
- target[++target_length] = 0;
- }
- else {
- sprintf(&target[target_length], "=%02X", (0xFF & source[i]));
- target_length += 3;
- }
- }
-}
-
-/*
- * string conversion function
- */
-void euid_unescapize(char *target, const char *source) {
- int a, b, len;
- char hex[3];
- int target_length = 0;
-
- strcpy(target, "");
-
- len = strlen(source);
- for (a = 0; a < len; ++a) {
- if (source[a] == '=') {
- hex[0] = source[a + 1];
- hex[1] = source[a + 2];
- hex[2] = 0;
- b = 0;
- b = decode_hex(hex);
- target[target_length] = b;
- target[++target_length] = 0;
- a += 2;
- }
- else {
- target[target_length] = source[a];
- target[++target_length] = 0;
- }
- }
-}
-
-
-
-
-/*
- * Main entry point for GroupDAV requests
- */
-void dav_main(void)
-{
- wcsession *WCC = WC;
- int i, len;
-
- syslog(LOG_DEBUG, "dav_main() called, logged_in=%d", WCC->logged_in );
-
- StrBufUnescape(WCC->Hdr->HR.ReqLine, 0);
- StrBufStripSlashes(WCC->Hdr->HR.ReqLine, 0);
-
- /*
- * If there's an If-Match: header, strip out the quotes if present, and
- * then if all that's left is an asterisk, make it go away entirely.
- */
- len = StrLength(WCC->Hdr->HR.dav_ifmatch);
- if (len > 0) {
- StrBufTrim(WCC->Hdr->HR.dav_ifmatch);
- if (ChrPtr(WCC->Hdr->HR.dav_ifmatch)[0] == '\"') {
- StrBufCutLeft(WCC->Hdr->HR.dav_ifmatch, 1);
- len --;
- for (i=0; i<len; ++i) {
- if (ChrPtr(WCC->Hdr->HR.dav_ifmatch)[i] == '\"') {
- StrBufCutAt(WCC->Hdr->HR.dav_ifmatch, i, NULL);
- len = StrLength(WCC->Hdr->HR.dav_ifmatch);
- }
- }
- }
- if (!strcmp(ChrPtr(WCC->Hdr->HR.dav_ifmatch), "*")) {
- FlushStrBuf(WCC->Hdr->HR.dav_ifmatch);
- }
- }
-
- switch (WCC->Hdr->HR.eReqType)
- {
- /*
- * The OPTIONS method is not required by GroupDAV but it will be
- * needed for future implementations of other DAV-based protocols.
- */
- case eOPTIONS:
- dav_options();
- break;
-
- /*
- * The PROPFIND method is basically used to list all objects in a
- * room, or to list all relevant rooms on the server.
- */
- case ePROPFIND:
- dav_propfind();
- break;
-
- /*
- * The GET method is used for fetching individual items.
- */
- case eGET:
- dav_get();
- break;
-
- /*
- * The PUT method is used to add or modify items.
- */
- case ePUT:
- dav_put();
- break;
-
- /*
- * The DELETE method kills, maims, and destroys.
- */
- case eDELETE:
- dav_delete();
- break;
-
- /*
- * The REPORT method tells us that Mike Shaver is a self-righteous asshole.
- */
- case eREPORT:
- dav_report();
- break;
-
- default:
- /*
- * Couldn't find what we were looking for. Die in a car fire.
- */
- hprintf("HTTP/1.1 501 Method not implemented\r\n");
- dav_common_headers();
- hprintf("Content-Type: text/plain\r\n");
- wc_printf("GroupDAV method \"%s\" is not implemented.\r\n",
- ReqStrs[WCC->Hdr->HR.eReqType]);
- end_burst();
- }
-}
-
-
-/*
- * Output our host prefix for globally absolute URL's.
- */
-void dav_identify_host(void) {
- wc_printf("%s", ChrPtr(site_prefix));
-}
-
-
-void tmplput_dav_HOSTNAME(StrBuf *Target, WCTemplputParams *TP)
-{
- StrBufAppendPrintf(Target, "%s", ChrPtr(site_prefix));
-}
-
-/*
- * Output our host prefix for globally absolute URL's.
- */
-void dav_identify_hosthdr(void) {
- hprintf("%s", ChrPtr(site_prefix));
-}
-
-
-void Header_HandleIfMatch(StrBuf *Line, ParsedHttpHdrs *hdr)
-{
- hdr->HR.dav_ifmatch = Line;
-}
-
-
-void Header_HandleDepth(StrBuf *Line, ParsedHttpHdrs *hdr)
-{
- if (!strcasecmp(ChrPtr(Line), "infinity")) {
- hdr->HR.dav_depth = 32767;
- }
- else if (strcmp(ChrPtr(Line), "0") == 0) {
- hdr->HR.dav_depth = 0;
- }
- else if (strcmp(ChrPtr(Line), "1") == 0) {
- hdr->HR.dav_depth = 1;
- }
-}
-
-
-int Conditional_DAV_DEPTH(StrBuf *Target, WCTemplputParams *TP)
-{
- return WC->Hdr->HR.dav_depth == GetTemplateTokenNumber(Target, TP, 2, 0);
-}
-
-
-void RegisterDAVNamespace(const char * UrlString,
- long UrlSLen,
- const char *DisplayName,
- long dslen,
- WebcitHandlerFunc F,
- WebcitRESTDispatchID RID,
- long Flags)
-{
- void *vHandler;
-
- /* first put it in... */
- WebcitAddUrlHandler(UrlString, UrlSLen, DisplayName, dslen, F, Flags|PARSE_REST_URL);
- /* get it out again... */
- GetHash(HandlerHash, UrlString, UrlSLen, &vHandler);
- ((WebcitHandler*)vHandler)->RID = RID;
- /* and keep a copy of it, so we can compare it later */
- Put(DavNamespaces, UrlString, UrlSLen, vHandler, reference_free_handler);
-}
-
-
-int Conditional_DAV_NS(StrBuf *Target, WCTemplputParams *TP)
-{
- wcsession *WCC = WC;
- void *vHandler;
- const char *NS;
- long NSLen;
-
- GetTemplateTokenString(NULL, TP, 2, &NS, &NSLen);
- GetHash(HandlerHash, NS, NSLen, &vHandler);
- return WCC->Hdr->HR.Handler == vHandler;
-}
-
-
-int Conditional_DAV_NSCURRENT(StrBuf *Target, WCTemplputParams *TP)
-{
- wcsession *WCC = WC;
- void *vHandler;
-
- vHandler = CTX(CTX_NONE);
- return WCC->Hdr->HR.Handler == vHandler;
-}
-
-
-void tmplput_DAV_NAMESPACE(StrBuf *Target, WCTemplputParams *TP)
-{
- wcsession *WCC = WC;
-
- if (TP->Filter.ContextType == CTX_DAVNS) {
- WebcitHandler *H;
- H = (WebcitHandler*) CTX(CTX_DAVNS);
- if (H != NULL)
- StrBufAppendTemplate(Target, TP, H->Name, 0);
- }
- else if (WCC->Hdr->HR.Handler != NULL) {
- StrBufAppendTemplate(Target, TP, WCC->Hdr->HR.Handler->Name, 0);
- }
-}
-
-
-int GroupdavDispatchREST(RESTDispatchID WhichAction, int IgnoreFloor)
-{
- wcsession *WCC = WC;
- void *vDir;
-
- switch(WhichAction){
- case ExistsID:
- GetHash(WCC->Directory, IKEY(WCC->ThisRoom->nRoomNameParts + 1), &vDir);
- return locate_message_by_uid(ChrPtr((StrBuf*)vDir)) != -1;
- /* TODO: remember euid */
- case PutID:
- case DeleteID:
- break;
-
-
- }
- return 0;
-}
-
-
-void
-ServerStartModule_DAV
-(void)
-{
-
- DavNamespaces = NewHash(1, NULL);
-}
-
-
-void
-ServerShutdownModule_DAV
-(void)
-{
- DeleteHash(&DavNamespaces);
-}
-
-
-void
-InitModule_GROUPDAV
-(void)
-{
- RegisterCTX(CTX_DAVNS);
- RegisterDAVNamespace(HKEY("groupdav"), HKEY("GroupDAV"),
- dav_main, GroupdavDispatchREST,
- XHTTP_COMMANDS|COOKIEUNNEEDED|FORCE_SESSIONCLOSE
- );
-
- RegisterNamespace("DAV:HOSTNAME", 0, 0, tmplput_dav_HOSTNAME, NULL, CTX_NONE);
-
- RegisterConditional("COND:DAV:NS", 0, Conditional_DAV_NS, CTX_NONE);
-
- RegisterIterator("DAV:NS", 0, DavNamespaces, NULL,
- NULL, NULL, CTX_DAVNS, CTX_NONE, IT_NOFLAG
- );
-
- RegisterConditional("COND:DAV:NSCURRENT", 0, Conditional_DAV_NSCURRENT, CTX_DAVNS);
- RegisterNamespace("DAV:NAMESPACE", 0, 1, tmplput_DAV_NAMESPACE, NULL, CTX_NONE);
-
- RegisterHeaderHandler(HKEY("IF-MATCH"), Header_HandleIfMatch);
- RegisterHeaderHandler(HKEY("DEPTH"), Header_HandleDepth);
- RegisterConditional("COND:DAV:DEPTH", 1, Conditional_DAV_DEPTH, CTX_NONE);
-}
projects / citadel.git / blobdiff