4 * Handles GroupDAV PUT requests.
14 #include <sys/types.h>
16 #include <sys/socket.h>
25 #include "webserver.h"
30 * The pathname is always going to be /groupdav/room_name/euid
32 void groupdav_put(char *dav_pathname, char *dav_ifmatch,
33 char *dav_content_type, char *dav_content
35 char dav_roomname[SIZ];
37 long new_msgnum = (-2L);
38 long old_msgnum = (-1L);
42 /* First, break off the "/groupdav/" prefix */
43 remove_token(dav_pathname, 0, '/');
44 remove_token(dav_pathname, 0, '/');
46 /* Now extract the message euid */
47 n = num_tokens(dav_pathname, '/');
48 extract_token(dav_uid, dav_pathname, n-1, '/', sizeof dav_uid);
49 remove_token(dav_pathname, n-1, '/');
51 /* What's left is the room name. Remove trailing slashes. */
52 if (dav_pathname[strlen(dav_pathname)-1] == '/') {
53 dav_pathname[strlen(dav_pathname)-1] = 0;
55 strcpy(dav_roomname, dav_pathname);
57 /* Go to the correct room. */
58 if (strcasecmp(WC->wc_roomname, dav_roomname)) {
59 gotoroom(dav_roomname);
61 if (strcasecmp(WC->wc_roomname, dav_roomname)) {
62 wprintf("HTTP/1.1 404 not found\r\n");
63 groupdav_common_headers();
65 "Content-Type: text/plain\r\n"
67 "There is no folder called \"%s\" on this server.\r\n",
74 * If an HTTP If-Match: header is present, the client is attempting
75 * to replace an existing item. We have to check to see if the
76 * message number associated with the supplied uid matches what the
77 * client is expecting. If not, the server probably contains a newer
78 * version, so we fail...
80 if (strlen(dav_ifmatch) > 0) {
81 lprintf(9, "dav_ifmatch: %s\n", dav_ifmatch);
82 old_msgnum = locate_message_by_uid(dav_uid);
83 lprintf(9, "old_msgnum: %ld\n", old_msgnum);
84 if (atol(dav_ifmatch) != old_msgnum) {
85 wprintf("HTTP/1.1 412 Precondition Failed\r\n");
86 lprintf(9, "HTTP/1.1 412 Precondition Failed (ifmatch=%ld, old_msgnum=%ld)\r\n",
87 atol(dav_ifmatch), old_msgnum);
88 groupdav_common_headers();
89 wprintf("Content-Length: 0\r\n\r\n");
95 * We are cleared for upload! We use the new calling syntax for ENT0
96 * which allows a confirmation to be sent back to us. That's how we
97 * extract the message ID.
99 serv_puts("ENT0 1|||4|||1|");
100 serv_getln(buf, sizeof buf);
102 wprintf("HTTP/1.1 502 Bad Gateway\r\n");
103 groupdav_common_headers();
104 wprintf("Content-type: text/plain\r\n"
111 /* Send the content to the Citadel server */
112 serv_printf("Content-type: %s\n\n", dav_content_type);
113 serv_puts(dav_content);
116 /* Fetch the reply from the Citadel server */
119 while (serv_getln(buf, sizeof buf), strcmp(buf, "000")) {
121 case 0: new_msgnum = atol(buf);
123 case 1: lprintf(9, "new_msgnum=%ld (%s)\n", new_msgnum, buf);
125 case 2: strcpy(dav_uid, buf);
132 /* Tell the client what happened. */
134 /* Citadel failed in some way? */
135 if (new_msgnum < 0L) {
136 wprintf("HTTP/1.1 502 Bad Gateway\r\n");
137 groupdav_common_headers();
138 wprintf("Content-type: text/plain\r\n"
140 "new_msgnum is %ld\r\n"
146 /* We created this item for the first time. */
147 if (old_msgnum < 0L) {
148 wprintf("HTTP/1.1 201 Created\r\n");
149 lprintf(9, "HTTP/1.1 201 Created\r\n");
150 groupdav_common_headers();
151 wprintf("etag: \"%ld\"\r\n", new_msgnum);
152 wprintf("Content-Length: 0\r\n");
153 wprintf("Location: ");
154 if (strlen(WC->http_host) > 0) {
156 (is_https ? "https" : "http"),
159 wprintf("/groupdav/");
160 urlescputs(dav_roomname);
161 wprintf("/%s\r\n", dav_uid);
166 /* We modified an existing item. */
167 wprintf("HTTP/1.1 204 No Content\r\n");
168 lprintf(9, "HTTP/1.1 204 No Content\r\n");
169 groupdav_common_headers();
170 wprintf("etag: \"%ld\"\r\n", new_msgnum);
171 wprintf("Content-Length: 0\r\n\r\n");
173 /* The item we replaced has probably already been deleted by
174 * the Citadel server, but we'll do this anyway, just in case.
176 serv_printf("DELE %ld", old_msgnum);
177 serv_getln(buf, sizeof buf);