webcit/sitemap.c

   1 /*
   2  * XML sitemap generator
   3  *
   4  * Copyright (c) 2010-2021 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
  17
  18
  19 /*
  20  * XML sitemap generator -- go through the message list for a BBS room
  21  */
  22 void sitemap_do_bbs(void) {
  23         int num_msgs = 0;
  24         int i;
  25         SharedMessageStatus Stat;
  26         message_summary *Msg = NULL;
  27
  28         memset(&Stat, 0, sizeof Stat);
  29         Stat.maxload = INT_MAX;
  30         Stat.lowest_found = (-1);
  31         Stat.highest_found = (-1);
  32         num_msgs = load_msg_ptrs("MSGS ALL", NULL, NULL, &Stat, NULL, NULL, NULL, NULL, 0);
  33         if (num_msgs < 1) return;
  34
  35         for (i=0; i<num_msgs; i+=20) {
  36                 Msg = GetMessagePtrAt(i, WC->summ);
  37                 if (Msg != NULL) {
  38                         wc_printf("<url><loc>%s/readfwd", ChrPtr(site_prefix));
  39                         wc_printf("?go=");
  40                         urlescputs(ChrPtr(WC->CurRoom.name));
  41                         wc_printf("?start_reading_at=%ld", Msg->msgnum);
  42                         wc_printf("</loc></url>\r\n");
  43                 }
  44         }
  45 }
  46
  47
  48 /*
  49  * XML sitemap generator -- go through the message list for a wiki room
  50  */
  51 void sitemap_do_wiki(void) {
  52         int num_msgs = 0;
  53         int i;
  54         SharedMessageStatus Stat;
  55         message_summary *Msg = NULL;
  56         char buf[256];
  57
  58         memset(&Stat, 0, sizeof Stat);
  59         Stat.maxload = INT_MAX;
  60         Stat.lowest_found = (-1);
  61         Stat.highest_found = (-1);
  62         num_msgs = load_msg_ptrs("MSGS ALL", NULL, NULL, &Stat, NULL, NULL, NULL, NULL, 0);
  63         if (num_msgs < 1) return;
  64
  65         for (i=0; i<num_msgs; ++i) {
  66                 Msg = GetMessagePtrAt(i, WC->summ);
  67                 if (Msg != NULL) {
  68
  69                         serv_printf("MSG0 %ld|3", Msg->msgnum);
  70                         serv_getln(buf, sizeof buf);
  71                         if (buf[0] == '1') while (serv_getln(buf, sizeof buf), strcmp(buf, "000")) {
  72                                 if (    (!strncasecmp(buf, "exti=", 5))
  73                                         && (!bmstrcasestr(buf, "_HISTORY_"))
  74                                 ) {
  75                                         wc_printf("<url><loc>%s/wiki", ChrPtr(site_prefix));
  76                                         wc_printf("?go=");
  77                                         urlescputs(ChrPtr(WC->CurRoom.name));
  78                                         wc_printf("?page=%s", &buf[5]);
  79                                         wc_printf("</loc></url>\r\n");
  80                                 }
  81                         }
  82                 }
  83         }
  84 }
  85
  86
  87 struct sitemap_room_list {
  88         struct sitemap_room_list *next;
  89         StrBuf *roomname;
  90         int defview;
  91 };
  92
  93
  94 /*
  95  * Load the room list for the sitemap
  96  */
  97 struct sitemap_room_list *sitemap_load_roomlist(void) {
  98         char buf[SIZ];
  99         char roomname_plain[SIZ];
 100         struct sitemap_room_list *roomlist = NULL;
 101
 102         serv_puts("LKRA");
 103         serv_getln(buf, sizeof buf);
 104         if (buf[0] == '1') while(serv_getln(buf, sizeof buf), strcmp(buf, "000")) {
 105                 struct sitemap_room_list *ptr = malloc(sizeof(struct sitemap_room_list));
 106                 extract_token(roomname_plain, buf, 0, '|', sizeof roomname_plain);
 107                 ptr->roomname = NewStrBufPlain(roomname_plain, -1);
 108                 ptr->defview = extract_int(buf, 6);
 109                 ptr->next = roomlist;
 110                 roomlist = ptr;
 111         }
 112
 113         return(roomlist);
 114 }
 115
 116 extern void sitemap_do_blog(void);
 117
 118 /*
 119  * Entry point for RSS feed generator
 120  */
 121 void sitemap(void) {
 122         struct sitemap_room_list *roomlist = NULL;
 123         output_headers(0, 0, 0, 0, 1, 0);
 124         hprintf("Content-type: text/xml\r\n");
 125         hprintf(
 126                 "Server: %s / %s\r\n"
 127                 "Connection: close\r\n"
 128         ,
 129                 PACKAGE_STRING, ChrPtr(WC->serv_info->serv_software)
 130         );
 131         begin_burst();
 132
 133         wc_printf("<?xml version=\"1.0\" encoding=\"UTF-8\"?>\r\n");
 134         wc_printf("<urlset xmlns=\"http://www.sitemaps.org/schemas/sitemap/0.9\">\r\n");
 135
 136         roomlist = sitemap_load_roomlist();
 137
 138         while (roomlist != NULL)
 139         {
 140                 struct sitemap_room_list *ptr;
 141
 142                 gotoroom(roomlist->roomname);
 143
 144                 /* Output the messages in this room only if it's a room type we can make sense of */
 145                 switch(roomlist->defview) {
 146                 case VIEW_BBS:
 147                         sitemap_do_bbs();
 148                         break;
 149                 case VIEW_WIKI:
 150                         sitemap_do_wiki();
 151                         break;
 152                 case VIEW_BLOG:
 153                         sitemap_do_blog();
 154                         break;
 155                 default:
 156                         break;
 157                 }
 158
 159                 ptr = roomlist;
 160                 roomlist = roomlist->next;
 161                 FreeStrBuf(&ptr->roomname);
 162                 free(ptr);
 163         }
 164
 165         wc_printf("</urlset>\r\n");
 166         wDumpContent(0);
 167 }
 168
 169
 170 void
 171 InitModule_SITEMAP
 172 (void)
 173 {
 174         WebcitAddUrlHandler(HKEY("sitemap"), "", 0, sitemap, ANONYMOUS|COOKIEUNNEEDED);
 175         WebcitAddUrlHandler(HKEY("sitemap.xml"), "", 0, sitemap, ANONYMOUS|COOKIEUNNEEDED);
 176 }