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