webcit/listsub.c

   1 /*
   2  * $Id$
   3  */
   4 /**
   5  * \defgroup ListSubForms Web forms for handling mailing list subscribe/unsubscribe requests.
   6  * \ingroup WebcitDisplayItems
   7  */
   8
   9 /*@{*/
  10 #include "webcit.h"
  11
  12
  13
  14 /**
  15  * \brief List subscription handling
  16  */
  17 void do_listsub(void)
  18 {
  19         char cmd[256];
  20         char room[256];
  21         char token[256];
  22         char email[256];
  23         char subtype[256];
  24         char escaped_email[256];
  25         char escaped_room[256];
  26
  27         char buf[SIZ];
  28         int self;
  29         char sroom[SIZ];
  30
  31         strcpy(WC->wc_fullname, "");
  32         strcpy(WC->wc_username, "");
  33         strcpy(WC->wc_password, "");
  34         strcpy(WC->wc_roomname, "");
  35
  36         output_headers(1, 0, 0, 1, 1, 0);
  37         begin_burst();
  38
  39         wprintf("<HTML><HEAD>\n"
  40                 "<meta name=\"MSSmartTagsPreventParsing\" content=\"TRUE\" />\n"
  41                 "<link href=\"static/webcit.css\" rel=\"stylesheet\" type=\"text/css\">\n"
  42                 "<TITLE>\n"
  43         );
  44         wprintf(_("List subscription"));
  45         wprintf("</TITLE></HEAD><BODY>\n");
  46
  47         strcpy(cmd, bstr("cmd"));
  48         strcpy(room, bstr("room"));
  49         strcpy(token, bstr("token"));
  50         strcpy(email, bstr("email"));
  51         strcpy(subtype, bstr("subtype"));
  52
  53         wprintf("<CENTER>"
  54                 "<TABLE WIDTH=100%% BORDER=0 BGCOLOR=\"#444455\"><TR><TD>"
  55                 "<SPAN CLASS=\"titlebar\">");
  56         wprintf(_("List subscribe/unsubscribe"));
  57         wprintf("</SPAN></TD></TR></TABLE><br />\n");
  58
  59         /**
  60          * Subscribe command
  61          */
  62         if (!strcasecmp(cmd, "subscribe")) {
  63                 serv_printf("SUBS subscribe|%s|%s|%s|%s://%s/listsub",
  64                         room,
  65                         email,
  66                         subtype,
  67                         (is_https ? "https" : "http"),
  68                         WC->http_host
  69                 );
  70                 serv_getln(buf, sizeof buf);
  71                 if (buf[0] == '2') {
  72                         stresc(escaped_email, email, 0, 0);
  73                         stresc(escaped_room, room, 0, 0);
  74
  75                         wprintf("<CENTER><H1>");
  76                         wprintf(_("Confirmation request sent"));
  77                         wprintf("</H1>");
  78                         wprintf(_("You are subscribing <TT>%s"
  79                                 "</TT> to the <b>%s</b> mailing list.  "
  80                                 "The listserver has "
  81                                 "sent you an e-mail with one additional "
  82                                 "Web link for you to click on to confirm "
  83                                 "your subscription.  This extra step is for "
  84                                 "your protection, as it prevents others from "
  85                                 "being able to subscribe you to lists "
  86                                 "without your consent.<br /><br />"
  87                                 "Please click on the link which is being "
  88                                 "e-mailed to you and your subscription will "
  89                                 "be confirmed.<br />\n"),
  90                                 escaped_email, escaped_room);
  91                         wprintf("<a href=\"listsub\">%s</A></CENTER>\n", _("Go back..."));
  92                 }
  93                 else {
  94                         wprintf("<FONT SIZE=+1><B>ERROR: %s</B>"
  95                                 "</FONT><br /><br />\n",
  96                                 &buf[4]);
  97                         goto FORM;
  98                 }
  99         }
 100
 101         /**
 102          * Unsubscribe command
 103          */
 104         else if (!strcasecmp(cmd, "unsubscribe")) {
 105                 serv_printf("SUBS unsubscribe|%s|%s|%s://%s/listsub",
 106                         room,
 107                         email,
 108                         (is_https ? "https" : "http"),
 109                         WC->http_host
 110                 );
 111                 serv_getln(buf, sizeof buf);
 112                 if (buf[0] == '2') {
 113                         wprintf("<CENTER><H1>Confirmation request sent</H1>"
 114                                 "You are unsubscribing <TT>");
 115                         escputs(email);
 116                         wprintf("</TT> from the &quot;");
 117                         escputs(room);
 118                         wprintf("&quot; mailing list.  The listserver has "
 119                                 "sent you an e-mail with one additional "
 120                                 "Web link for you to click on to confirm "
 121                                 "your unsubscription.  This extra step is for "
 122                                 "your protection, as it prevents others from "
 123                                 "being able to unsubscribe you from "
 124                                 "lists without your consent.<br /><br />"
 125                                 "Please click on the link which is being "
 126                                 "e-mailed to you and your unsubscription will "
 127                                 "be confirmed.<br />\n"
 128                                 "<a href=\"listsub\">Back...</A></CENTER>\n"
 129                         );
 130                 }
 131                 else {
 132                         wprintf("<FONT SIZE=+1><B>ERROR: %s</B>"
 133                                 "</FONT><br /><br />\n",
 134                                 &buf[4]);
 135                         goto FORM;
 136                 }
 137         }
 138
 139         /**
 140          * Confirm command
 141          */
 142         else if (!strcasecmp(cmd, "confirm")) {
 143                 serv_printf("SUBS confirm|%s|%s",
 144                         room,
 145                         token
 146                 );
 147                 serv_getln(buf, sizeof buf);
 148                 if (buf[0] == '2') {
 149                         wprintf("<CENTER><H1>Confirmation successful!</H1>");
 150                 }
 151                 else {
 152                         wprintf("<CENTER><H1>Confirmation failed.</H1>"
 153                                 "This could mean one of two things:<UL>\n"
 154                                 "<LI>You waited too long to confirm your "
 155                                 "subscribe/unsubscribe request (the "
 156                                 "confirmation link is only valid for three "
 157                                 "days)\n<LI>You have <i>already</i> "
 158                                 "successfully confirmed your "
 159                                 "subscribe/unsubscribe request and are "
 160                                 "attempting to do it again.</UL>\n"
 161                                 "The error returned by the server was: "
 162                         );
 163                 }
 164                 wprintf("%s</CENTER><br />\n", &buf[4]);
 165         }
 166
 167         /**
 168          * Any other (invalid) command causes the form to be displayed
 169          */
 170         else {
 171 FORM:           wprintf("<FORM METHOD=\"POST\" action=\"listsub\">\n"
 172                         "<TABLE BORDER=0>\n"
 173                 );
 174
 175                 wprintf("<TR><TD>Name of list</TD><TD>"
 176                         "<SELECT NAME=\"room\" SIZE=1>\n");
 177
 178                 serv_puts("LPRM");
 179                 serv_getln(buf, sizeof buf);
 180                 if (buf[0] == '1') {
 181                         while (serv_getln(buf, sizeof buf), strcmp(buf, "000")) {
 182                                 extract_token(sroom, buf, 0, '|', sizeof sroom);
 183                                 self = extract_int(buf, 4) & QR2_SELFLIST ;
 184                                 if (self) {
 185                                         wprintf("<OPTION VALUE=\"");
 186                                         escputs(sroom);
 187                                         wprintf("\">");
 188                                         escputs(sroom);
 189                                         wprintf("</OPTION>\n");
 190                                 }
 191                         }
 192                 }
 193                 wprintf("</SELECT>"
 194                         "</TD></TR>\n");
 195
 196                 wprintf("<TR><TD>Your e-mail address</TD><TD>"
 197                         "<INPUT TYPE=\"text\" NAME=\"email\" "
 198                         "VALUE=\""
 199                 );
 200                 escputs(email);
 201                 wprintf("\" MAXLENGTH=128></TD></TR>\n");
 202
 203                 wprintf("</TABLE>"
 204                         "(If subscribing) preferred format: "
 205                         "<INPUT TYPE=\"radio\" NAME=\"subtype\""
 206                         "VALUE=\"list\">One message at a time&nbsp; "
 207                         "<INPUT TYPE=\"radio\" NAME=\"subtype\""
 208                         "VALUE=\"digest\" CHECKED>Digest format&nbsp; "
 209                         "<br />\n"
 210                         "<INPUT TYPE=\"submit\" NAME=\"cmd\""
 211                         " VALUE=\"subscribe\">\n"
 212                         "<INPUT TYPE=\"submit\" NAME=\"cmd\""
 213                         " VALUE=\"unsubscribe\">\n"
 214                         "</FORM>\n"
 215                 );
 216
 217                 wprintf("<br />When you attempt to subscribe or unsubscribe to "
 218                         "a mailing list, you will receive an e-mail containing"
 219                         " one additional web link to click on for final "
 220                         "confirmation.  This extra step is for your "
 221                         "protection, as it prevents others from being able to "
 222                         "subscribe or unsubscribe you to lists.<br />\n"
 223                 );
 224
 225         }
 226
 227         wprintf("</BODY></HTML>\n");
 228         wDumpContent(0);
 229         end_webcit_session();
 230 }
 231
 232
 233
 234 /*@}*/