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, &Stat, NULL);
  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 Blog room
  51  */
  52 void sitemap_do_blog(void) {
  53         wcsession *WCC = WC;
  54         int num_msgs = 0;
  55         int i;
  56         SharedMessageStatus Stat;
  57         message_summary *Msg = NULL;
  58
  59         memset(&Stat, 0, sizeof Stat);
  60         Stat.maxload = INT_MAX;
  61         Stat.lowest_found = (-1);
  62         Stat.highest_found = (-1);
  63         num_msgs = load_msg_ptrs("MSGS ALL", NULL, &Stat, NULL);
  64         if (num_msgs < 1) return;
  65
  66         for (i=0; i<num_msgs; ++i) {
  67                 Msg = GetMessagePtrAt(i, WCC->summ);
  68                 if (Msg != NULL) {
  69                         struct bltr bltr = blogview_learn_thread_references(Msg->msgnum);
  70                         /* Show only top level posts, not comments */
  71                         if ((bltr.id != 0) && (bltr.refs == 0)) {
  72                                 WC->bptlid = bltr.id;
  73                                 wc_printf("<url><loc>%s", ChrPtr(site_prefix));
  74                                 tmplput_blog_permalink(NULL, NULL);
  75                                 wc_printf("</loc></url>\r\n");
  76                         }
  77                 }
  78         }
  79 }
  80
  81
  82 /*
  83  * XML sitemap generator -- go through the message list for a wiki room
  84  */
  85 void sitemap_do_wiki(void) {
  86         wcsession *WCC = WC;
  87         int num_msgs = 0;
  88         int i;
  89         SharedMessageStatus Stat;
  90         message_summary *Msg = NULL;
  91         char buf[256];
  92
  93         memset(&Stat, 0, sizeof Stat);
  94         Stat.maxload = INT_MAX;
  95         Stat.lowest_found = (-1);
  96         Stat.highest_found = (-1);
  97         num_msgs = load_msg_ptrs("MSGS ALL", NULL, &Stat, NULL);
  98         if (num_msgs < 1) return;
  99
 100         for (i=0; i<num_msgs; ++i) {
 101                 Msg = GetMessagePtrAt(i, WCC->summ);
 102                 if (Msg != NULL) {
 103
 104                         serv_printf("MSG0 %ld|3", Msg->msgnum);
 105                         serv_getln(buf, sizeof buf);
 106                         if (buf[0] == '1') while (serv_getln(buf, sizeof buf), strcmp(buf, "000")) {
 107                                 if (    (!strncasecmp(buf, "exti=", 5))
 108                                         && (!bmstrcasestr(buf, "_HISTORY_"))
 109                                 ) {
 110                                         wc_printf("<url><loc>%s/wiki", ChrPtr(site_prefix));
 111                                         wc_printf("?go=");
 112                                         urlescputs(ChrPtr(WC->CurRoom.name));
 113                                         wc_printf("?page=%s", &buf[5]);
 114                                         wc_printf("</loc></url>\r\n");
 115                                 }
 116                         }
 117                 }
 118         }
 119 }
 120
 121
 122 struct sitemap_room_list {
 123         struct sitemap_room_list *next;
 124         StrBuf *roomname;
 125         int defview;
 126 };
 127
 128
 129 /*
 130  * Load the room list for the sitemap
 131  */
 132 struct sitemap_room_list *sitemap_load_roomlist(void) {
 133         char buf[SIZ];
 134         char roomname_plain[SIZ];
 135         struct sitemap_room_list *roomlist = NULL;
 136
 137         serv_puts("LKRA");
 138         serv_getln(buf, sizeof buf);
 139         if (buf[0] == '1') while(serv_getln(buf, sizeof buf), strcmp(buf, "000")) {
 140                 struct sitemap_room_list *ptr = malloc(sizeof(struct sitemap_room_list));
 141                 extract_token(roomname_plain, buf, 0, '|', sizeof roomname_plain);
 142                 ptr->roomname = NewStrBufPlain(roomname_plain, -1);
 143                 ptr->defview = extract_int(buf, 6);
 144                 ptr->next = roomlist;
 145                 roomlist = ptr;
 146         }
 147
 148         return(roomlist);
 149 }
 150
 151
 152 /*
 153  * Entry point for RSS feed generator
 154  */
 155 void sitemap(void) {
 156         struct sitemap_room_list *roomlist = NULL;
 157         output_headers(0, 0, 0, 0, 1, 0);
 158         hprintf("Content-type: text/xml\r\n");
 159         hprintf(
 160                 "Server: %s / %s\r\n"
 161                 "Connection: close\r\n"
 162         ,
 163                 PACKAGE_STRING, ChrPtr(WC->serv_info->serv_software)
 164         );
 165         begin_burst();
 166
 167         wc_printf("<?xml version=\"1.0\" encoding=\"UTF-8\"?>\r\n");
 168         wc_printf("<urlset xmlns=\"http://www.sitemaps.org/schemas/sitemap/0.9\">\r\n");
 169
 170         roomlist = sitemap_load_roomlist();
 171
 172         while (roomlist != NULL)
 173         {
 174                 gotoroom(roomlist->roomname);
 175
 176                 /* Output the messages in this room only if it's a room type we can make sense of */
 177                 switch(roomlist->defview) {
 178                         case VIEW_BBS:
 179                                 sitemap_do_bbs();
 180                                 break;
 181                         case VIEW_WIKI:
 182                                 sitemap_do_wiki();
 183                                 break;
 184                         case VIEW_BLOG:
 185                                 sitemap_do_blog();
 186                                 break;
 187                         default:
 188                                 break;
 189                 }
 190
 191                 struct sitemap_room_list *ptr = roomlist;
 192                 roomlist = roomlist->next;
 193                 FreeStrBuf(&ptr->roomname);
 194                 free(ptr);
 195         }
 196
 197         wc_printf("</urlset>\r\n");
 198         wDumpContent(0);
 199 }
 200
 201
 202 void
 203 InitModule_SITEMAP
 204 (void)
 205 {
 206         WebcitAddUrlHandler(HKEY("sitemap"), "", 0, sitemap, ANONYMOUS|COOKIEUNNEEDED);
 207         WebcitAddUrlHandler(HKEY("sitemap.xml"), "", 0, sitemap, ANONYMOUS|COOKIEUNNEEDED);
 208 }