webcit/listsub.c

   1 /*
   2  * $Id: listsub.c 8232 2010-01-14 21:46:39Z dothebart $
   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->CurRoom.name);
  30
  31         output_headers(1, 0, 0, 1, 1, 0);
  32         begin_burst();
  33
  34         wc_printf("<HTML><HEAD>\n"
  35                 "<meta name=\"MSSmartTagsPreventParsing\" content=\"TRUE\" />\n"
  36                 "<link href=\"static/styles/webcit.css\" rel=\"stylesheet\" type=\"text/css\">\n"
  37                 "<TITLE>\n"
  38         );
  39         wc_printf(_("List subscription"));
  40         wc_printf("</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         wc_printf("<div align=center>");
  49         wc_printf("<table border=0 width=75%%><tr><td>");
  50
  51         do_template("beginbox_1", NULL);
  52         StrBufAppendBufPlain(WC->WBuf, _("List subscribe/unsubscribe"), -1, 0);
  53         do_template("beginbox_2", NULL);
  54         wc_printf("<div align=center><br>");
  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                             ChrPtr(WC->Hdr->HR.http_host)
  66                 );
  67                 serv_getln(buf, sizeof buf);
  68                 if (buf[0] == '2') {
  69                         stresc(escaped_email, 256, email, 0, 0);
  70                         stresc(escaped_room, 256, room, 0, 0);
  71
  72                         wc_printf("<CENTER><H1>");
  73                         wc_printf(_("Confirmation request sent"));
  74                         wc_printf("</H1>");
  75                         wc_printf(_("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                         wc_printf("<a href=\"listsub\">%s</A></CENTER>\n", _("Go back..."));
  89                 }
  90                 else {
  91                         wc_printf("<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                             ChrPtr(WC->Hdr->HR.http_host)
 107                 );
 108                 serv_getln(buf, sizeof buf);
 109                 if (buf[0] == '2') {
 110                         wc_printf("<CENTER><H1>Confirmation request sent</H1>"
 111                                 "You are unsubscribing <TT>");
 112                         escputs(email);
 113                         wc_printf("</TT> from the &quot;");
 114                         escputs(room);
 115                         wc_printf("&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                         wc_printf("<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                         wc_printf("<CENTER><H1>Confirmation successful!</H1>");
 147                 }
 148                 else {
 149                         wc_printf("<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                 wc_printf("%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:           wc_printf("<form method=\"POST\" action=\"listsub\">\n");
 169
 170                 wc_printf("Name of list: "
 171                         "<select name=\"room\" size=1>\n");
 172
 173                 serv_puts("LPRM");
 174                 serv_getln(buf, sizeof buf);
 175                 if (buf[0] == '1') {
 176                         while (serv_getln(buf, sizeof buf), strcmp(buf, "000")) {
 177                                 extract_token(sroom, buf, 0, '|', sizeof sroom);
 178                                 self = extract_int(buf, 4) & QR2_SELFLIST ;
 179                                 if (self) {
 180                                         wc_printf("<option value=\"");
 181                                         escputs(sroom);
 182                                         wc_printf("\">");
 183                                         escputs(sroom);
 184                                         wc_printf("</option>\n");
 185                                 }
 186                         }
 187                 }
 188                 wc_printf("</select><br><br>\n");
 189
 190                 wc_printf("Your e-mail address: "
 191                         "<INPUT TYPE=\"text\" NAME=\"email\" "
 192                         "VALUE=\""
 193                 );
 194                 escputs(email);
 195                 wc_printf("\" maxlength=128 size=60><br><br>\n");
 196
 197                 wc_printf("(If subscribing) preferred format: "
 198                         "<INPUT TYPE=\"radio\" NAME=\"subtype\" "
 199                         "VALUE=\"list\" CHECKED>One message at a time&nbsp; "
 200                         "<INPUT TYPE=\"radio\" NAME=\"subtype\" "
 201                         "VALUE=\"digest\">Digest format&nbsp; "
 202                         "<br><br>\n"
 203                         "<INPUT TYPE=\"submit\" NAME=\"cmd\""
 204                         " VALUE=\"subscribe\">\n"
 205                         "<INPUT TYPE=\"submit\" NAME=\"cmd\""
 206                         " VALUE=\"unsubscribe\"><br><br>\n"
 207                         "</FORM>\n"
 208                 );
 209
 210                 wc_printf("<hr>When you attempt to subscribe or unsubscribe to "
 211                         "a mailing list, you will receive an e-mail containing"
 212                         " one additional web link to click on for final "
 213                         "confirmation.  This extra step is for your "
 214                         "protection, as it prevents others from being able to "
 215                         "subscribe or unsubscribe you to lists.<br />\n"
 216                 );
 217
 218         }
 219
 220         wc_printf("</div>");
 221         do_template("endbox", NULL);
 222         wc_printf("</td></tr></table></div>");
 223
 224         wc_printf("</BODY></HTML>\n");
 225         wDumpContent(0);
 226         end_webcit_session();
 227 }
 228
 229
 230
 231 void
 232 InitModule_LISTSUB
 233 (void)
 234 {
 235         WebcitAddUrlHandler(HKEY("listsub"), "", 0, do_listsub, ANONYMOUS|COOKIEUNNEEDED|FORCE_SESSIONCLOSE);
 236
 237
 238 }