X-Git-Url: https://code.citadel.org/?a=blobdiff_plain;f=webcit%2Fdav_options.c;fp=webcit%2Fdav_options.c;h=f7687cf4ef347269c42029f79c50eb181e69c90f;hb=8611acef7ff4213c28ad20ff755d34509870bc96;hp=0000000000000000000000000000000000000000;hpb=76a0f8571de023fe6bd20390174a2302e0a0b982;p=citadel.git

diff --git a/webcit/dav_options.c b/webcit/dav_options.c
new file mode 100644
index 000000000..f7687cf4e
--- /dev/null
+++ b/webcit/dav_options.c
@@ -0,0 +1,145 @@
+/*
+ * Handles DAV OPTIONS requests (experimental -- not required by GroupDAV)
+ *
+ * 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"
+
+/*
+ * The pathname is always going to be /groupdav/room_name/msg_num
+ */
+void dav_options(void)
+{
+	wcsession *WCC = WC;
+	StrBuf *dav_roomname;
+	StrBuf *dav_uid;
+	long dav_msgnum = (-1);
+	char datestring[256];
+	time_t now;
+
+	now = time(NULL);
+	http_datestring(datestring, sizeof datestring, now);
+
+	dav_roomname = NewStrBuf();
+	dav_uid = NewStrBuf();
+	StrBufExtract_token(dav_roomname, WCC->Hdr->HR.ReqLine, 0, '/');
+	StrBufExtract_token(dav_uid, WCC->Hdr->HR.ReqLine, 1, '/');
+
+	syslog(LOG_DEBUG, "\033[35m%s (logged_in=%d)\033[0m", ChrPtr(WCC->Hdr->HR.ReqLine), WC->logged_in);
+	/*
+	 * If the room name is blank, the client is doing an OPTIONS on the root.
+	 */
+	if (StrLength(dav_roomname) == 0) {
+		syslog(LOG_DEBUG, "\033[36mOPTIONS requested for root\033[0m");
+		hprintf("HTTP/1.1 200 OK\r\n");
+		dav_common_headers();
+		hprintf("Date: %s\r\n", datestring);
+		hprintf("DAV: 1\r\n");
+		hprintf("Allow: OPTIONS, PROPFIND\r\n");
+		hprintf("\r\n");
+		begin_burst();
+		end_burst();
+		FreeStrBuf(&dav_roomname);
+		FreeStrBuf(&dav_uid);
+		return;
+	}
+
+	/* Go to the correct room. */
+	if (strcasecmp(ChrPtr(WC->CurRoom.name), ChrPtr(dav_roomname))) {
+		gotoroom(dav_roomname);
+	}
+
+	if (strcasecmp(ChrPtr(WC->CurRoom.name), ChrPtr(dav_roomname))) {
+		syslog(LOG_DEBUG, "\033[36mOPTIONS requested for invalid item\033[0m");
+		hprintf("HTTP/1.1 404 not found\r\n");
+		dav_common_headers();
+		hprintf("Date: %s\r\n", datestring);
+		hprintf(
+			"Content-Type: text/plain\r\n");
+		begin_burst();
+		wc_printf(
+			"There is no folder called \"%s\" on this server.\r\n",
+			ChrPtr(dav_roomname)
+		);
+		end_burst();
+		FreeStrBuf(&dav_roomname);
+		FreeStrBuf(&dav_uid);
+		return;
+	}
+
+	/* If dav_uid is non-empty, client is requesting an OPTIONS on
+	 * a specific item in the room.
+	 */
+	if (StrLength(dav_uid) != 0) {
+		syslog(LOG_DEBUG, "\033[36mOPTIONS requested for specific item\033[0m");
+		dav_msgnum = locate_message_by_uid(ChrPtr(dav_uid));
+		if (dav_msgnum < 0) {
+			hprintf("HTTP/1.1 404 not found\r\n");
+			dav_common_headers();
+			hprintf("Content-Type: text/plain\r\n");
+			begin_burst();
+			wc_printf(
+				"Object \"%s\" was not found in the \"%s\" folder.\r\n",
+				ChrPtr(dav_uid),
+				ChrPtr(dav_roomname)
+			);
+			FreeStrBuf(&dav_roomname);
+			FreeStrBuf(&dav_uid);
+			end_burst();return;
+		}
+
+		hprintf("HTTP/1.1 200 OK\r\n");
+		dav_common_headers();
+		hprintf("Date: %s\r\n", datestring);
+		hprintf("DAV: 1\r\n");
+		hprintf("Allow: OPTIONS, PROPFIND, GET, PUT, DELETE\r\n");
+		
+		begin_burst();
+		end_burst();
+		FreeStrBuf(&dav_roomname);
+		FreeStrBuf(&dav_uid);
+		return;
+	}
+
+	FreeStrBuf(&dav_roomname);
+	FreeStrBuf(&dav_uid);
+
+	/*
+	 * We got to this point, which means that the client is requesting
+	 * an OPTIONS on the room itself.
+	 */
+	syslog(LOG_DEBUG, "\033[36mOPTIONS requested for room '%s' (%slogged in)\033[0m",
+		ChrPtr(WC->CurRoom.name),
+		((WC->logged_in) ? "" : "not ")
+	);
+	hprintf("HTTP/1.1 200 OK\r\n");
+	dav_common_headers();
+	hprintf("Date: %s\r\n", datestring);
+
+	/*
+	 * Offer CalDAV (RFC 4791) if this is a calendar room
+	 */
+	if ( (WC->CurRoom.view == VIEW_CALENDAR) || (WC->CurRoom.view == VIEW_CALBRIEF) ) {
+		hprintf("DAV: 1, calendar-access\r\n");
+		syslog(LOG_DEBUG, "\033[36mDAV: 1, calendar-access\033[0m");
+	}
+	else {
+		hprintf("DAV: 1\r\n");
+		syslog(LOG_DEBUG, "\033[36mDAV: 1\033[0m");
+	}
+
+	hprintf("Allow: OPTIONS, PROPFIND, GET, PUT, REPORT\r\n");
+	begin_burst();
+	end_burst();
+}