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/msg_num
  31  */
  32 void groupdav_get(char *dav_pathname) {
  33         char dav_roomname[SIZ];
  34         char dav_msgnum[SIZ];
  35         char buf[SIZ];
  36         int found_content_type = 0;
  37         int n = 0;
  38
  39         /* First, break off the "/groupdav/" prefix */
  40         remove_token(dav_pathname, 0, '/');
  41         remove_token(dav_pathname, 0, '/');
  42
  43         /* Now extract the message number */
  44         n = num_tokens(dav_pathname, '/');
  45         extract_token(dav_msgnum, dav_pathname, n-1, '/');
  46         remove_token(dav_pathname, n-1, '/');
  47
  48         /* What's left is the room name.  Remove trailing slashes. */
  49         if (dav_pathname[strlen(dav_pathname)-1] == '/') {
  50                 dav_pathname[strlen(dav_pathname)-1] = 0;
  51         }
  52         strcpy(dav_roomname, dav_pathname);
  53
  54         /* Go to the correct room. */
  55         if (strcasecmp(WC->wc_roomname, dav_roomname)) {
  56                 gotoroom(dav_roomname);
  57         }
  58         if (strcasecmp(WC->wc_roomname, dav_roomname)) {
  59                 wprintf("HTTP/1.1 404 not found\n");
  60                 groupdav_common_headers();
  61                 wprintf(
  62                         "Content-Type: text/plain\n"
  63                         "\n"
  64                         "There is no folder called \"%s\" on this server.\n",
  65                         dav_roomname
  66                 );
  67                 return;
  68         }
  69
  70         serv_printf("MSG2 %s", dav_msgnum);
  71         serv_gets(buf);
  72         if (buf[0] != '1') {
  73                 wprintf("HTTP/1.1 404 not found\n");
  74                 groupdav_common_headers();
  75                 wprintf(
  76                         "Content-Type: text/plain\n"
  77                         "\n"
  78                         "Object \"%s\" was not found in the \"%s\" folder.\n",
  79                         dav_msgnum,
  80                         dav_roomname
  81                 );
  82                 return;
  83         }
  84
  85         wprintf("HTTP/1.1 200 OK\n");
  86         groupdav_common_headers();
  87         wprintf("ETag: \"%s\"\n", dav_msgnum);
  88         while (serv_gets(buf), strcmp(buf, "000")) {
  89                 if (!strncasecmp(buf, "Content-type: ", 14)) {
  90                         found_content_type = 1;
  91                 }
  92                 if ((strlen(buf) == 0) && (found_content_type == 0)) {
  93                         wprintf("Content-type: text/plain\n");
  94                 }
  95                 wprintf("%s\n", buf);
  96         }
  97 }