webcit/groupdav_get.c

   1 /*
   2  * $Id$
   3  *
   4  * Handles GroupDAV GET requests.
   5  *
   6  */
   7
   8 #include "webcit.h"
   9 #include "webserver.h"
  10 #include "groupdav.h"
  11
  12
  13 /*
  14  * The pathname is always going to be /groupdav/room_name/euid
  15  */
  16 void groupdav_get(char *dav_pathname) {
  17         char dav_roomname[SIZ];
  18         char dav_uid[SIZ];
  19         long dav_msgnum = (-1);
  20         char buf[SIZ];
  21         int n = 0;
  22         int in_body = 0;
  23         int found_content_type = 0;
  24
  25         /* First, break off the "/groupdav/" prefix */
  26         remove_token(dav_pathname, 0, '/');
  27         remove_token(dav_pathname, 0, '/');
  28
  29         /* Now extract the message euid */
  30         n = num_tokens(dav_pathname, '/');
  31         extract_token(dav_uid, dav_pathname, n-1, '/', sizeof dav_uid);
  32         remove_token(dav_pathname, n-1, '/');
  33
  34         /* What's left is the room name.  Remove trailing slashes. */
  35         if (dav_pathname[strlen(dav_pathname)-1] == '/') {
  36                 dav_pathname[strlen(dav_pathname)-1] = 0;
  37         }
  38         strcpy(dav_roomname, dav_pathname);
  39
  40         /* Go to the correct room. */
  41         if (strcasecmp(WC->wc_roomname, dav_roomname)) {
  42                 gotoroom(dav_roomname);
  43         }
  44         if (strcasecmp(WC->wc_roomname, dav_roomname)) {
  45                 wprintf("HTTP/1.1 404 not found\r\n");
  46                 groupdav_common_headers();
  47                 wprintf(
  48                         "Content-Type: text/plain\r\n"
  49                         "\r\n"
  50                         "There is no folder called \"%s\" on this server.\r\n",
  51                         dav_roomname
  52                 );
  53                 return;
  54         }
  55
  56         dav_msgnum = locate_message_by_uid(dav_uid);
  57         serv_printf("MSG2 %ld", dav_msgnum);
  58         serv_getln(buf, sizeof buf);
  59         if (buf[0] != '1') {
  60                 wprintf("HTTP/1.1 404 not found\r\n");
  61                 groupdav_common_headers();
  62                 wprintf(
  63                         "Content-Type: text/plain\r\n"
  64                         "\r\n"
  65                         "Object \"%s\" was not found in the \"%s\" folder.\r\n",
  66                         dav_uid,
  67                         dav_roomname
  68                 );
  69                 return;
  70         }
  71
  72         wprintf("HTTP/1.1 200 OK\r\n");
  73         groupdav_common_headers();
  74         wprintf("etag: \"%ld\"\r\n", dav_msgnum);
  75         while (serv_getln(buf, sizeof buf), strcmp(buf, "000")) {
  76                 if (!strncasecmp(buf, "Date: ", 6)) {
  77                         wprintf("%s\r\n", buf);
  78                 }
  79                 if (!strncasecmp(buf, "Content-type: ", 14)) {
  80                         wprintf("%s\r\n", buf);
  81                         found_content_type = 1;
  82                 }
  83                 if ((strlen(buf) == 0) && (in_body == 0)) {
  84                         if (!found_content_type) {
  85                                 wprintf("Content-type: text/plain\r\n");
  86                         }
  87                         in_body = 1;
  88                 }
  89                 if (in_body) {
  90                         wprintf("%s\r\n", buf);
  91                 }
  92         }
  93 }