webcit/listsub.c

   1 /*
   2  * $Id$
   3  *
   4  * Web forms for handling mailing list subscribe/unsubscribe requests.
   5  *
   6  */
   7
   8 #include "webcit.h"
   9
  10
  11
  12 /*
  13  * List subscription handling
  14  */
  15 void do_listsub(void)
  16 {
  17         char cmd[256];
  18         char room[256];
  19         char token[256];
  20         char email[256];
  21         char subtype[256];
  22         char escaped_email[256];
  23         char escaped_room[256];
  24
  25         char buf[SIZ];
  26         int self;
  27         char sroom[SIZ];
  28
  29         strcpy(WC->wc_fullname, "");
  30         strcpy(WC->wc_username, "");
  31         strcpy(WC->wc_password, "");
  32         strcpy(WC->wc_roomname, "");
  33
  34         output_headers(1, 0, 0, 1, 1, 0);
  35         begin_burst();
  36
  37         wprintf("<HTML><HEAD>\n"
  38                 "<meta name=\"MSSmartTagsPreventParsing\" content=\"TRUE\" />\n"
  39                 "<link href=\"static/webcit.css\" rel=\"stylesheet\" type=\"text/css\">\n"
  40                 "<TITLE>\n"
  41         );
  42         wprintf(_("List subscription"));
  43         wprintf("</TITLE></HEAD><BODY>\n");
  44
  45         strcpy(cmd, bstr("cmd"));
  46         strcpy(room, bstr("room"));
  47         strcpy(token, bstr("token"));
  48         strcpy(email, bstr("email"));
  49         strcpy(subtype, bstr("subtype"));
  50
  51         wprintf("<CENTER>"
  52                 "<TABLE WIDTH=100%% BORDER=0 BGCOLOR=\"#444455\"><TR><TD>"
  53                 "<SPAN CLASS=\"titlebar\">");
  54         wprintf(_("List subscribe/unsubscribe"));
  55         wprintf("</SPAN></TD></TR></TABLE><br />\n");
  56
  57         /*
  58          * Subscribe command
  59          */
  60         if (!strcasecmp(cmd, "subscribe")) {
  61                 serv_printf("SUBS subscribe|%s|%s|%s|%s://%s/listsub",
  62                         room,
  63                         email,
  64                         subtype,
  65                         (is_https ? "https" : "http"),
  66                         WC->http_host
  67                 );
  68                 serv_getln(buf, sizeof buf);
  69                 if (buf[0] == '2') {
  70                         stresc(escaped_email, email, 0, 0);
  71                         stresc(escaped_room, room, 0, 0);
  72
  73                         wprintf("<CENTER><H1>");
  74                         wprintf(_("Confirmation request sent"));
  75                         wprintf("</H1>");
  76                         wprintf(_("You are subscribing <TT>%s"
  77                                 "</TT> to the <b>%s</b> mailing list.  "
  78                                 "The listserver has "
  79                                 "sent you an e-mail with one additional "
  80                                 "Web link for you to click on to confirm "
  81                                 "your subscription.  This extra step is for "
  82                                 "your protection, as it prevents others from "
  83                                 "being able to subscribe you to lists "
  84                                 "without your consent.<br /><br />"
  85                                 "Please click on the link which is being "
  86                                 "e-mailed to you and your subscription will "
  87                                 "be confirmed.<br />\n"),
  88                                 escaped_email, escaped_room);
  89                         wprintf("<a href=\"listsub\">%s</A></CENTER>\n", _("Go back..."));
  90                 }
  91                 else {
  92                         wprintf("<FONT SIZE=+1><B>ERROR: %s</B>"
  93                                 "</FONT><br /><br />\n",
  94                                 &buf[4]);
  95                         goto FORM;
  96                 }
  97         }
  98
  99         /*
 100          * Unsubscribe command
 101          */
 102         else if (!strcasecmp(cmd, "unsubscribe")) {
 103                 serv_printf("SUBS unsubscribe|%s|%s|%s://%s/listsub",
 104                         room,
 105                         email,
 106                         (is_https ? "https" : "http"),
 107                         WC->http_host
 108                 );
 109                 serv_getln(buf, sizeof buf);
 110                 if (buf[0] == '2') {
 111                         wprintf("<CENTER><H1>Confirmation request sent</H1>"
 112                                 "You are unsubscribing <TT>");
 113                         escputs(email);
 114                         wprintf("</TT> from the &quot;");
 115                         escputs(room);
 116                         wprintf("&quot; mailing list.  The listserver has "
 117                                 "sent you an e-mail with one additional "
 118                                 "Web link for you to click on to confirm "
 119                                 "your unsubscription.  This extra step is for "
 120                                 "your protection, as it prevents others from "
 121                                 "being able to unsubscribe you from "
 122                                 "lists without your consent.<br /><br />"
 123                                 "Please click on the link which is being "
 124                                 "e-mailed to you and your unsubscription will "
 125                                 "be confirmed.<br />\n"
 126                                 "<a href=\"listsub\">Back...</A></CENTER>\n"
 127                         );
 128                 }
 129                 else {
 130                         wprintf("<FONT SIZE=+1><B>ERROR: %s</B>"
 131                                 "</FONT><br /><br />\n",
 132                                 &buf[4]);
 133                         goto FORM;
 134                 }
 135         }
 136
 137         /*
 138          * Confirm command
 139          */
 140         else if (!strcasecmp(cmd, "confirm")) {
 141                 serv_printf("SUBS confirm|%s|%s",
 142                         room,
 143                         token
 144                 );
 145                 serv_getln(buf, sizeof buf);
 146                 if (buf[0] == '2') {
 147                         wprintf("<CENTER><H1>Confirmation successful!</H1>");
 148                 }
 149                 else {
 150                         wprintf("<CENTER><H1>Confirmation failed.</H1>"
 151                                 "This could mean one of two things:<UL>\n"
 152                                 "<LI>You waited too long to confirm your "
 153                                 "subscribe/unsubscribe request (the "
 154                                 "confirmation link is only valid for three "
 155                                 "days)\n<LI>You have <i>already</i> "
 156                                 "successfully confirmed your "
 157                                 "subscribe/unsubscribe request and are "
 158                                 "attempting to do it again.</UL>\n"
 159                                 "The error returned by the server was: "
 160                         );
 161                 }
 162                 wprintf("%s</CENTER><br />\n", &buf[4]);
 163         }
 164
 165         /*
 166          * Any other (invalid) command causes the form to be displayed
 167          */
 168         else {
 169 FORM:           wprintf("<FORM METHOD=\"POST\" action=\"listsub\">\n"
 170                         "<TABLE BORDER=0>\n"
 171                 );
 172
 173                 wprintf("<TR><TD>Name of list</TD><TD>"
 174                         "<SELECT NAME=\"room\" SIZE=1>\n");
 175
 176                 serv_puts("LPRM");
 177                 serv_getln(buf, sizeof buf);
 178                 if (buf[0] == '1') {
 179                         while (serv_getln(buf, sizeof buf), strcmp(buf, "000")) {
 180                                 extract_token(sroom, buf, 0, '|', sizeof sroom);
 181                                 self = extract_int(buf, 4) & QR2_SELFLIST ;
 182                                 if (self) {
 183                                         wprintf("<OPTION VALUE=\"");
 184                                         escputs(sroom);
 185                                         wprintf("\">");
 186                                         escputs(sroom);
 187                                         wprintf("</OPTION>\n");
 188                                 }
 189                         }
 190                 }
 191                 wprintf("</SELECT>"
 192                         "</TD></TR>\n");
 193
 194                 wprintf("<TR><TD>Your e-mail address</TD><TD>"
 195                         "<INPUT TYPE=\"text\" NAME=\"email\" "
 196                         "VALUE=\""
 197                 );
 198                 escputs(email);
 199                 wprintf("\" MAXLENGTH=128></TD></TR>\n");
 200
 201                 wprintf("</TABLE>"
 202                         "(If subscribing) preferred format: "
 203                         "<INPUT TYPE=\"radio\" NAME=\"subtype\""
 204                         "VALUE=\"list\">One message at a time&nbsp; "
 205                         "<INPUT TYPE=\"radio\" NAME=\"subtype\""
 206                         "VALUE=\"digest\" CHECKED>Digest format&nbsp; "
 207                         "<br />\n"
 208                         "<INPUT TYPE=\"submit\" NAME=\"cmd\""
 209                         " VALUE=\"subscribe\">\n"
 210                         "<INPUT TYPE=\"submit\" NAME=\"cmd\""
 211                         " VALUE=\"unsubscribe\">\n"
 212                         "</FORM>\n"
 213                 );
 214
 215                 wprintf("<br />When you attempt to subscribe or unsubscribe to "
 216                         "a mailing list, you will receive an e-mail containing"
 217                         " one additional web link to click on for final "
 218                         "confirmation.  This extra step is for your "
 219                         "protection, as it prevents others from being able to "
 220                         "subscribe or unsubscribe you to lists.<br />\n"
 221                 );
 222
 223         }
 224
 225         wprintf("</BODY></HTML>\n");
 226         wDumpContent(0);
 227         end_webcit_session();
 228 }