webcit/listsub.c

   1 /*
   2  * $Id$
   3  *
   4  * Web forms for handling mailing list subscribe/unsubscribe requests.
   5  */
   6
   7 #include "webcit.h"
   8
   9 /*
  10  * List subscription handling
  11  */
  12 void do_listsub(void)
  13 {
  14         char cmd[256];
  15         char room[256];
  16         char token[256];
  17         char email[256];
  18         char subtype[256];
  19         char escaped_email[256];
  20         char escaped_room[256];
  21
  22         char buf[SIZ];
  23         int self;
  24         char sroom[SIZ];
  25
  26         FlushStrBuf(WC->wc_fullname);
  27         FlushStrBuf(WC->wc_username);
  28         FlushStrBuf(WC->wc_password);
  29         FlushStrBuf(WC->wc_roomname);
  30
  31         output_headers(1, 0, 0, 1, 1, 0);
  32         begin_burst();
  33
  34         wprintf("<HTML><HEAD>\n"
  35                 "<meta name=\"MSSmartTagsPreventParsing\" content=\"TRUE\" />\n"
  36                 "<link href=\"static/webcit.css\" rel=\"stylesheet\" type=\"text/css\">\n"
  37                 "<TITLE>\n"
  38         );
  39         wprintf(_("List subscription"));
  40         wprintf("</TITLE></HEAD><BODY>\n");
  41
  42         strcpy(cmd, bstr("cmd"));
  43         strcpy(room, bstr("room"));
  44         strcpy(token, bstr("token"));
  45         strcpy(email, bstr("email"));
  46         strcpy(subtype, bstr("subtype"));
  47
  48         wprintf("<div align=center>");
  49         wprintf("<table border=0 width=75%%><tr><td>");
  50
  51         svput("BOXTITLE", WCS_STRING, _("List subscribe/unsubscribe"));
  52         do_template("beginboxx", NULL);
  53         wprintf("<div align=center><br>");
  54
  55         /*
  56          * Subscribe command
  57          */
  58         if (!strcasecmp(cmd, "subscribe")) {
  59                 serv_printf("SUBS subscribe|%s|%s|%s|%s://%s/listsub",
  60                         room,
  61                         email,
  62                         subtype,
  63                         (is_https ? "https" : "http"),
  64                             ChrPtr(WC->Hdr->HR.http_host)
  65                 );
  66                 serv_getln(buf, sizeof buf);
  67                 if (buf[0] == '2') {
  68                         stresc(escaped_email, 256, email, 0, 0);
  69                         stresc(escaped_room, 256, room, 0, 0);
  70
  71                         wprintf("<CENTER><H1>");
  72                         wprintf(_("Confirmation request sent"));
  73                         wprintf("</H1>");
  74                         wprintf(_("You are subscribing <TT>%s"
  75                                 "</TT> to the <b>%s</b> mailing list.  "
  76                                 "The listserver has "
  77                                 "sent you an e-mail with one additional "
  78                                 "Web link for you to click on to confirm "
  79                                 "your subscription.  This extra step is for "
  80                                 "your protection, as it prevents others from "
  81                                 "being able to subscribe you to lists "
  82                                 "without your consent.<br /><br />"
  83                                 "Please click on the link which is being "
  84                                 "e-mailed to you and your subscription will "
  85                                 "be confirmed.<br />\n"),
  86                                 escaped_email, escaped_room);
  87                         wprintf("<a href=\"listsub\">%s</A></CENTER>\n", _("Go back..."));
  88                 }
  89                 else {
  90                         wprintf("<FONT SIZE=+1><B>ERROR: %s</B>"
  91                                 "</FONT><br /><br />\n",
  92                                 &buf[4]);
  93                         goto FORM;
  94                 }
  95         }
  96
  97         /*
  98          * Unsubscribe command
  99          */
 100         else if (!strcasecmp(cmd, "unsubscribe")) {
 101                 serv_printf("SUBS unsubscribe|%s|%s|%s://%s/listsub",
 102                             room,
 103                             email,
 104                             (is_https ? "https" : "http"),
 105                             ChrPtr(WC->Hdr->HR.http_host)
 106                 );
 107                 serv_getln(buf, sizeof buf);
 108                 if (buf[0] == '2') {
 109                         wprintf("<CENTER><H1>Confirmation request sent</H1>"
 110                                 "You are unsubscribing <TT>");
 111                         escputs(email);
 112                         wprintf("</TT> from the &quot;");
 113                         escputs(room);
 114                         wprintf("&quot; mailing list.  The listserver has "
 115                                 "sent you an e-mail with one additional "
 116                                 "Web link for you to click on to confirm "
 117                                 "your unsubscription.  This extra step is for "
 118                                 "your protection, as it prevents others from "
 119                                 "being able to unsubscribe you from "
 120                                 "lists without your consent.<br /><br />"
 121                                 "Please click on the link which is being "
 122                                 "e-mailed to you and your unsubscription will "
 123                                 "be confirmed.<br />\n"
 124                                 "<a href=\"listsub\">Back...</A></CENTER>\n"
 125                         );
 126                 }
 127                 else {
 128                         wprintf("<FONT SIZE=+1><B>ERROR: %s</B>"
 129                                 "</FONT><br /><br />\n",
 130                                 &buf[4]);
 131                         goto FORM;
 132                 }
 133         }
 134
 135         /*
 136          * Confirm command
 137          */
 138         else if (!strcasecmp(cmd, "confirm")) {
 139                 serv_printf("SUBS confirm|%s|%s",
 140                         room,
 141                         token
 142                 );
 143                 serv_getln(buf, sizeof buf);
 144                 if (buf[0] == '2') {
 145                         wprintf("<CENTER><H1>Confirmation successful!</H1>");
 146                 }
 147                 else {
 148                         wprintf("<CENTER><H1>Confirmation failed.</H1>"
 149                                 "This could mean one of two things:<UL>\n"
 150                                 "<LI>You waited too long to confirm your "
 151                                 "subscribe/unsubscribe request (the "
 152                                 "confirmation link is only valid for three "
 153                                 "days)\n<LI>You have <i>already</i> "
 154                                 "successfully confirmed your "
 155                                 "subscribe/unsubscribe request and are "
 156                                 "attempting to do it again.</UL>\n"
 157                                 "The error returned by the server was: "
 158                         );
 159                 }
 160                 wprintf("%s</CENTER><br />\n", &buf[4]);
 161         }
 162
 163         /*
 164          * Any other (invalid) command causes the form to be displayed
 165          */
 166         else {
 167 FORM:           wprintf("<form method=\"POST\" action=\"listsub\">\n");
 168
 169                 wprintf("Name of list: "
 170                         "<select name=\"room\" size=1>\n");
 171
 172                 serv_puts("LPRM");
 173                 serv_getln(buf, sizeof buf);
 174                 if (buf[0] == '1') {
 175                         while (serv_getln(buf, sizeof buf), strcmp(buf, "000")) {
 176                                 extract_token(sroom, buf, 0, '|', sizeof sroom);
 177                                 self = extract_int(buf, 4) & QR2_SELFLIST ;
 178                                 if (self) {
 179                                         wprintf("<option value=\"");
 180                                         escputs(sroom);
 181                                         wprintf("\">");
 182                                         escputs(sroom);
 183                                         wprintf("</option>\n");
 184                                 }
 185                         }
 186                 }
 187                 wprintf("</select><br><br>\n");
 188
 189                 wprintf("Your e-mail address: "
 190                         "<INPUT TYPE=\"text\" NAME=\"email\" "
 191                         "VALUE=\""
 192                 );
 193                 escputs(email);
 194                 wprintf("\" maxlength=128 size=60><br><br>\n");
 195
 196                 wprintf("(If subscribing) preferred format: "
 197                         "<INPUT TYPE=\"radio\" NAME=\"subtype\" "
 198                         "VALUE=\"list\" CHECKED>One message at a time&nbsp; "
 199                         "<INPUT TYPE=\"radio\" NAME=\"subtype\" "
 200                         "VALUE=\"digest\">Digest format&nbsp; "
 201                         "<br><br>\n"
 202                         "<INPUT TYPE=\"submit\" NAME=\"cmd\""
 203                         " VALUE=\"subscribe\">\n"
 204                         "<INPUT TYPE=\"submit\" NAME=\"cmd\""
 205                         " VALUE=\"unsubscribe\"><br><br>\n"
 206                         "</FORM>\n"
 207                 );
 208
 209                 wprintf("<hr>When you attempt to subscribe or unsubscribe to "
 210                         "a mailing list, you will receive an e-mail containing"
 211                         " one additional web link to click on for final "
 212                         "confirmation.  This extra step is for your "
 213                         "protection, as it prevents others from being able to "
 214                         "subscribe or unsubscribe you to lists.<br />\n"
 215                 );
 216
 217         }
 218
 219         wprintf("</div>");
 220         do_template("endbox", NULL);
 221         wprintf("</td></tr></table></div>");
 222
 223         wprintf("</BODY></HTML>\n");
 224         wDumpContent(0);
 225         end_webcit_session();
 226 }
 227
 228
 229
 230 void
 231 InitModule_LISTSUB
 232 (void)
 233 {
 234         WebcitAddUrlHandler(HKEY("listsub"), "", 0, do_listsub, ANONYMOUS|COOKIEUNNEEDED|FORCE_SESSIONCLOSE);
 235
 236
 237 }