webcit/sitemap.c

   1 /*
   2  * XML sitemap generator
   3  *
   4  * Copyright (c) 2010-2012 by the citadel.org team
   5  *
   6  * This program is open source software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License, version 3.
   8  *
   9  * This program is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  * GNU General Public License for more details.
  13  */
  14
  15 #include "webcit.h"
  16 #include "webserver.h"
  17
  18
  19 /*
  20  * XML sitemap generator -- go through the message list for a BBS room
  21  */
  22 void sitemap_do_bbs(void) {
  23         wcsession *WCC = WC;
  24         int num_msgs = 0;
  25         int i;
  26         SharedMessageStatus Stat;
  27         message_summary *Msg = NULL;
  28
  29         memset(&Stat, 0, sizeof Stat);
  30         Stat.maxload = INT_MAX;
  31         Stat.lowest_found = (-1);
  32         Stat.highest_found = (-1);
  33         num_msgs = load_msg_ptrs("MSGS ALL", NULL, NULL, &Stat, NULL, NULL, NULL, NULL, 0);
  34         if (num_msgs < 1) return;
  35
  36         for (i=0; i<num_msgs; i+=20) {
  37                 Msg = GetMessagePtrAt(i, WCC->summ);
  38                 if (Msg != NULL) {
  39                         wc_printf("<url><loc>%s/readfwd", ChrPtr(site_prefix));
  40                         wc_printf("?go=");
  41                         urlescputs(ChrPtr(WC->CurRoom.name));
  42                         wc_printf("?start_reading_at=%ld", Msg->msgnum);
  43                         wc_printf("</loc></url>\r\n");
  44                 }
  45         }
  46 }
  47
  48
  49 /*
  50  * XML sitemap generator -- go through the message list for a wiki room
  51  */
  52 void sitemap_do_wiki(void) {
  53         wcsession *WCC = WC;
  54         int num_msgs = 0;
  55         int i;
  56         SharedMessageStatus Stat;
  57         message_summary *Msg = NULL;
  58         char buf[256];
  59
  60         memset(&Stat, 0, sizeof Stat);
  61         Stat.maxload = INT_MAX;
  62         Stat.lowest_found = (-1);
  63         Stat.highest_found = (-1);
  64         num_msgs = load_msg_ptrs("MSGS ALL", NULL, NULL, &Stat, NULL, NULL, NULL, NULL, 0);
  65         if (num_msgs < 1) return;
  66
  67         for (i=0; i<num_msgs; ++i) {
  68                 Msg = GetMessagePtrAt(i, WCC->summ);
  69                 if (Msg != NULL) {
  70
  71                         serv_printf("MSG0 %ld|3", Msg->msgnum);
  72                         serv_getln(buf, sizeof buf);
  73                         if (buf[0] == '1') while (serv_getln(buf, sizeof buf), strcmp(buf, "000")) {
  74                                 if (    (!strncasecmp(buf, "exti=", 5))
  75                                         && (!bmstrcasestr(buf, "_HISTORY_"))
  76                                 ) {
  77                                         wc_printf("<url><loc>%s/wiki", ChrPtr(site_prefix));
  78                                         wc_printf("?go=");
  79                                         urlescputs(ChrPtr(WC->CurRoom.name));
  80                                         wc_printf("?page=%s", &buf[5]);
  81                                         wc_printf("</loc></url>\r\n");
  82                                 }
  83                         }
  84                 }
  85         }
  86 }
  87
  88
  89 struct sitemap_room_list {
  90         struct sitemap_room_list *next;
  91         StrBuf *roomname;
  92         int defview;
  93 };
  94
  95
  96 /*
  97  * Load the room list for the sitemap
  98  */
  99 struct sitemap_room_list *sitemap_load_roomlist(void) {
 100         char buf[SIZ];
 101         char roomname_plain[SIZ];
 102         struct sitemap_room_list *roomlist = NULL;
 103
 104         serv_puts("LKRA");
 105         serv_getln(buf, sizeof buf);
 106         if (buf[0] == '1') while(serv_getln(buf, sizeof buf), strcmp(buf, "000")) {
 107                 struct sitemap_room_list *ptr = malloc(sizeof(struct sitemap_room_list));
 108                 extract_token(roomname_plain, buf, 0, '|', sizeof roomname_plain);
 109                 ptr->roomname = NewStrBufPlain(roomname_plain, -1);
 110                 ptr->defview = extract_int(buf, 6);
 111                 ptr->next = roomlist;
 112                 roomlist = ptr;
 113         }
 114
 115         return(roomlist);
 116 }
 117
 118 extern void sitemap_do_blog(void);
 119
 120 /*
 121  * Entry point for RSS feed generator
 122  */
 123 void sitemap(void) {
 124         struct sitemap_room_list *roomlist = NULL;
 125         output_headers(0, 0, 0, 0, 1, 0);
 126         hprintf("Content-type: text/xml\r\n");
 127         hprintf(
 128                 "Server: %s / %s\r\n"
 129                 "Connection: close\r\n"
 130         ,
 131                 PACKAGE_STRING, ChrPtr(WC->serv_info->serv_software)
 132         );
 133         begin_burst();
 134
 135         wc_printf("<?xml version=\"1.0\" encoding=\"UTF-8\"?>\r\n");
 136         wc_printf("<urlset xmlns=\"http://www.sitemaps.org/schemas/sitemap/0.9\">\r\n");
 137
 138         roomlist = sitemap_load_roomlist();
 139
 140         while (roomlist != NULL)
 141         {
 142                 struct sitemap_room_list *ptr;
 143
 144                 gotoroom(roomlist->roomname);
 145
 146                 /* Output the messages in this room only if it's a room type we can make sense of */
 147                 switch(roomlist->defview) {
 148                 case VIEW_BBS:
 149                         sitemap_do_bbs();
 150                         break;
 151                 case VIEW_WIKI:
 152                 case VIEW_WIKIMD:
 153                         sitemap_do_wiki();
 154                         break;
 155                 case VIEW_BLOG:
 156                         sitemap_do_blog();
 157                         break;
 158                 default:
 159                         break;
 160                 }
 161
 162                 ptr = roomlist;
 163                 roomlist = roomlist->next;
 164                 FreeStrBuf(&ptr->roomname);
 165                 free(ptr);
 166         }
 167
 168         wc_printf("</urlset>\r\n");
 169         wDumpContent(0);
 170 }
 171
 172
 173 void
 174 InitModule_SITEMAP
 175 (void)
 176 {
 177         WebcitAddUrlHandler(HKEY("sitemap"), "", 0, sitemap, ANONYMOUS|COOKIEUNNEEDED);
 178         WebcitAddUrlHandler(HKEY("sitemap.xml"), "", 0, sitemap, ANONYMOUS|COOKIEUNNEEDED);
 179 }