webcit/groupdav_get.c

   1 /*
   2  * $Id$
   3  *
   4  * Handles GroupDAV GET requests.
   5  *
   6  */
   7
   8 #include <ctype.h>
   9 #include <stdlib.h>
  10 #include <unistd.h>
  11 #include <stdio.h>
  12 #include <fcntl.h>
  13 #include <signal.h>
  14 #include <sys/types.h>
  15 #include <sys/wait.h>
  16 #include <sys/socket.h>
  17 #include <limits.h>
  18 #include <string.h>
  19 #include <pwd.h>
  20 #include <errno.h>
  21 #include <stdarg.h>
  22 #include <time.h>
  23 #include <pthread.h>
  24 #include "webcit.h"
  25 #include "webserver.h"
  26 #include "groupdav.h"
  27
  28
  29 /*
  30  * The pathname is always going to be /groupdav/room_name/euid
  31  */
  32 void groupdav_get(char *dav_pathname) {
  33         char dav_roomname[SIZ];
  34         char dav_uid[SIZ];
  35         long dav_msgnum = (-1);
  36         char buf[SIZ];
  37         int found_content_type = 0;
  38         int n = 0;
  39
  40         /* First, break off the "/groupdav/" prefix */
  41         remove_token(dav_pathname, 0, '/');
  42         remove_token(dav_pathname, 0, '/');
  43
  44         /* Now extract the message euid */
  45         n = num_tokens(dav_pathname, '/');
  46         extract_token(dav_uid, dav_pathname, n-1, '/');
  47         remove_token(dav_pathname, n-1, '/');
  48
  49         /* What's left is the room name.  Remove trailing slashes. */
  50         if (dav_pathname[strlen(dav_pathname)-1] == '/') {
  51                 dav_pathname[strlen(dav_pathname)-1] = 0;
  52         }
  53         strcpy(dav_roomname, dav_pathname);
  54
  55         /* Go to the correct room. */
  56         if (strcasecmp(WC->wc_roomname, dav_roomname)) {
  57                 gotoroom(dav_roomname);
  58         }
  59         if (strcasecmp(WC->wc_roomname, dav_roomname)) {
  60                 wprintf("HTTP/1.1 404 not found\n");
  61                 groupdav_common_headers();
  62                 wprintf(
  63                         "Content-Type: text/plain\n"
  64                         "\n"
  65                         "There is no folder called \"%s\" on this server.\n",
  66                         dav_roomname
  67                 );
  68                 return;
  69         }
  70
  71         dav_msgnum = locate_message_by_uid(dav_uid);
  72         serv_printf("MSG2 %ld", dav_msgnum);
  73         serv_gets(buf);
  74         if (buf[0] != '1') {
  75                 wprintf("HTTP/1.1 404 not found\n");
  76                 groupdav_common_headers();
  77                 wprintf(
  78                         "Content-Type: text/plain\n"
  79                         "\n"
  80                         "Object \"%s\" was not found in the \"%s\" folder.\n",
  81                         dav_uid,
  82                         dav_roomname
  83                 );
  84                 return;
  85         }
  86
  87         wprintf("HTTP/1.1 200 OK\n");
  88         groupdav_common_headers();
  89         wprintf("ETag: \"%ld\"\n", dav_msgnum);
  90         while (serv_gets(buf), strcmp(buf, "000")) {
  91                 if (!strncasecmp(buf, "Content-type: ", 14)) {
  92                         found_content_type = 1;
  93                 }
  94                 if ((strlen(buf) == 0) && (found_content_type == 0)) {
  95                         wprintf("Content-type: text/plain\n");
  96                 }
  97                 wprintf("%s\n", buf);
  98         }
  99 }