/*
* Main entry point for GroupDAV requests
*/
-void groupdav_main(struct httprequest *req) {
-
+void groupdav_main(struct httprequest *req,
+ char *dav_content_type,
+ int dav_content_length,
+ char *dav_content
+) {
struct httprequest *rptr;
char dav_method[SIZ];
char dav_pathname[SIZ];
safestrncpy(dav_ifmatch, &rptr->line[10],
sizeof dav_ifmatch);
}
-
}
if (!WC->logged_in) {
}
/*
- * The PROPFIND method is basically used to list all objects in a room,
- * or to list all relevant rooms on the server.
+ * The PROPFIND method is basically used to list all objects in a
+ * room, or to list all relevant rooms on the server.
*/
if (!strcasecmp(dav_method, "PROPFIND")) {
groupdav_propfind(dav_pathname);
}
/*
- * We like the GET method ... it's nice and simple.
+ * The GET method is used for fetching individual items.
*/
if (!strcasecmp(dav_method, "GET")) {
groupdav_get(dav_pathname);
return;
}
+ /*
+ * The PUT method is used to add or modify items.
+ */
+ if (!strcasecmp(dav_method, "PUT")) {
+ groupdav_put(dav_pathname, dav_ifmatch,
+ dav_content_type, dav_content);
+ return;
+ }
+
/*
* The DELETE method kills, maims, and destroys.
*/
--- /dev/null
+/*
+ * $Id$
+ *
+ * Handles GroupDAV PUT requests.
+ *
+ */
+
+#include <ctype.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <stdio.h>
+#include <fcntl.h>
+#include <signal.h>
+#include <sys/types.h>
+#include <sys/wait.h>
+#include <sys/socket.h>
+#include <limits.h>
+#include <string.h>
+#include <pwd.h>
+#include <errno.h>
+#include <stdarg.h>
+#include <time.h>
+#include <pthread.h>
+#include "webcit.h"
+#include "webserver.h"
+#include "groupdav.h"
+
+
+/*
+ * The pathname is always going to be /groupdav/room_name/euid
+ */
+void groupdav_put(char *dav_pathname, char *dav_ifmatch,
+ char *dav_content_type, char *dav_content
+) {
+ char dav_roomname[SIZ];
+ char dav_uid[SIZ];
+ long new_msgnum = (-1L);
+ long old_msgnum = (-1L);
+ char buf[SIZ];
+ int n = 0;
+
+ /* First, break off the "/groupdav/" prefix */
+ remove_token(dav_pathname, 0, '/');
+ remove_token(dav_pathname, 0, '/');
+
+ /* Now extract the message euid */
+ n = num_tokens(dav_pathname, '/');
+ extract_token(dav_uid, dav_pathname, n-1, '/');
+ remove_token(dav_pathname, n-1, '/');
+
+ /* What's left is the room name. Remove trailing slashes. */
+ if (dav_pathname[strlen(dav_pathname)-1] == '/') {
+ dav_pathname[strlen(dav_pathname)-1] = 0;
+ }
+ strcpy(dav_roomname, dav_pathname);
+
+ /* Go to the correct room. */
+ if (strcasecmp(WC->wc_roomname, dav_roomname)) {
+ gotoroom(dav_roomname);
+ }
+ if (strcasecmp(WC->wc_roomname, dav_roomname)) {
+ wprintf("HTTP/1.1 404 not found\n");
+ groupdav_common_headers();
+ wprintf(
+ "Content-Type: text/plain\n"
+ "\n"
+ "There is no folder called \"%s\" on this server.\n",
+ dav_roomname
+ );
+ return;
+ }
+
+ /*
+ * If an HTTP If-Match: header is present, the client is attempting
+ * to replace an existing item. We have to check to see if the
+ * message number associated with the supplied uid matches what the
+ * client is expecting. If not, the server probably contains a newer
+ * version, so we fail...
+ */
+ if (strlen(dav_ifmatch) > 0) {
+ old_msgnum = locate_message_by_uid(dav_uid);
+ if (atol(dav_ifmatch) != old_msgnum) {
+ wprintf("HTTP/1.1 412 Precondition Failed\n");
+ groupdav_common_headers();
+ wprintf("Content-Length: 0\n\n");
+ return;
+ }
+ }
+
+ /*
+ * We are cleared for upload! We use the new calling syntax for ENT0
+ * which allows a confirmation to be sent back to us. That's how we
+ * extract the message ID.
+ */
+ serv_puts("ENT0 1|||4|||1|");
+ serv_gets(buf);
+ if (buf[0] != '8') {
+ wprintf("HTTP/1.1 502 Bad Gateway\n");
+ groupdav_common_headers();
+ wprintf("Content-type: text/plain\n"
+ "\n"
+ "%s\n", &buf[4]
+ );
+ return;
+ }
+
+ /* Send the content to the Citadel server */
+ serv_printf("Content-type: %s\n\n", dav_content_type);
+ serv_puts(dav_content);
+ serv_puts("\n000\n");
+
+ /* Fetch the reply from the Citadel server */
+ n = 0;
+ strcpy(dav_uid, "");
+ while (serv_gets(buf), strcmp(buf, "000")) {
+ switch(n++) {
+ case 0:
+ new_msgnum = atol(buf);
+ break;
+ case 2:
+ strcpy(dav_uid, buf);
+ default:
+ break;
+ }
+ }
+
+ /* Tell the client what happened. */
+
+ /* Citadel failed in some way? */
+ if (new_msgnum < 0L) {
+ wprintf("HTTP/1.1 502 Bad Gateway\n");
+ groupdav_common_headers();
+ wprintf("Content-length: 0\n\n");
+ return;
+ }
+
+ /* We created this item for the first time. */
+ if (old_msgnum < 0L) {
+ wprintf("HTTP/1.1 201 Created\n");
+ groupdav_common_headers();
+ wprintf("Content-Length: 0\n");
+ wprintf("Location: ");
+ if (strlen(WC->http_host) > 0) {
+ wprintf("%s://%s",
+ (is_https ? "https" : "http"),
+ WC->http_host);
+ }
+ wprintf("/groupdav/");
+ urlescputs(dav_roomname);
+ wprintf("/%s\n", dav_uid);
+ wprintf("\n");
+ return;
+ }
+
+ /* We modified an existing item. */
+ wprintf("HTTP/1.1 204 No Content\n");
+ groupdav_common_headers();
+ wprintf("Content-Length: 0\n\n");
+
+ /* The item we replaced has probably already been deleted by
+ * the Citadel server, but we'll do this anyway, just in case.
+ */
+ serv_printf("DELE %ld", old_msgnum);
+ serv_gets(buf);
+
+ return;
+}
projects / citadel.git / commitdiff