};
+/*
+ * This generates an email with a link the user clicks to confirm a list subscription.
+ */
+void send_subscribe_confirmation_email(char *roomname, char *emailaddr, char *url, char *confirmation_token) {
+ // We need a URL-safe representation of the room name
+ char urlroom[ROOMNAMELEN+10];
+ urlesc(urlroom, sizeof(urlroom), roomname);
+
+ char from_address[1024];
+ snprintf(from_address, sizeof from_address, "noreply@%s", CtdlGetConfigStr("c_fqdn"));
+
+ char emailtext[SIZ];
+ snprintf(emailtext, sizeof emailtext,
+ "MIME-Version: 1.0\n"
+ "Content-Type: multipart/alternative; boundary=\"__ctdlmultipart__\"\n"
+ "\n"
+ "This is a multipart message in MIME format.\n"
+ "\n"
+ "--__ctdlmultipart__\n"
+ "Content-type: text/plain\n"
+ "\n"
+ "Someone (probably you) has submitted a request to subscribe\n"
+ "<%s> to the <%s> mailing list.\n"
+ "\n"
+ "Please go here to confirm this request:\n"
+ "%s?room=%s&token=%s&cmd=confirm\n"
+ "\n"
+ "If this request has been submitted in error and you do not\n"
+ "wish to receive the <%s> mailing list, simply do nothing,\n"
+ "and you will not receive any further mailings.\n"
+ "\n"
+ "--__ctdlmultipart__\n"
+ "Content-type: text/html\n"
+ "\n"
+ "<html><body><p>Someone (probably you) has submitted a request to subscribe "
+ "<strong>%s</strong> to the <strong>%s</strong> mailing list.</p>"
+ "<p>Please go here to confirm this request:</p>"
+ "<p><a href=\"%s?room=%s&token=%s&cmd=confirm\">"
+ "%s?room=%s&token=%s&cmd=confirm</a></p>"
+ "<p>If this request has been submitted in error and you do not "
+ "wish to receive the <strong>%s<strong> mailing list, simply do nothing, "
+ "and you will not receive any further mailings.</p>"
+ "</body></html>\n"
+ "\n"
+ "--__ctdlmultipart__--\n"
+ ,
+ emailaddr, roomname, url, urlroom, confirmation_token, roomname,
+ emailaddr, roomname,
+ url, urlroom, confirmation_token,
+ url, urlroom, confirmation_token,
+ roomname
+ );
+
+ quickie_message("Citadel", from_address, emailaddr, NULL, emailtext, FMT_RFC822, "Please confirm your list subscription");
+}
+
+
+/*
+ * This generates an email with a link the user clicks to confirm a list unsubscription.
+ */
+void send_unsubscribe_confirmation_email(char *roomname, char *emailaddr, char *url, char *confirmation_token) {
+ // We need a URL-safe representation of the room name
+ char urlroom[ROOMNAMELEN+10];
+ urlesc(urlroom, sizeof(urlroom), roomname);
+
+ char from_address[1024];
+ snprintf(from_address, sizeof from_address, "noreply@%s", CtdlGetConfigStr("c_fqdn"));
+
+ char emailtext[SIZ];
+ snprintf(emailtext, sizeof emailtext,
+ "MIME-Version: 1.0\n"
+ "Content-Type: multipart/alternative; boundary=\"__ctdlmultipart__\"\n"
+ "\n"
+ "This is a multipart message in MIME format.\n"
+ "\n"
+ "--__ctdlmultipart__\n"
+ "Content-type: text/plain\n"
+ "\n"
+ "Someone (probably you) has submitted a request to unsubscribe\n"
+ "<%s> from the <%s> mailing list.\n"
+ "\n"
+ "Please go here to confirm this request:\n"
+ "%s?room=%s&token=%s&cmd=confirm\n"
+ "\n"
+ "If this request has been submitted in error and you still\n"
+ "wish to receive the <%s> mailing list, simply do nothing,\n"
+ "and you will remain subscribed.\n"
+ "\n"
+ "--__ctdlmultipart__\n"
+ "Content-type: text/html\n"
+ "\n"
+ "<html><body><p>Someone (probably you) has submitted a request to unsubscribe "
+ "<strong>%s</strong> from the <strong>%s</strong> mailing list.</p>"
+ "<p>Please go here to confirm this request:</p>"
+ "<p><a href=\"%s?room=%s&token=%s&cmd=confirm\">"
+ "%s?room=%s&token=%s&cmd=confirm</a></p>"
+ "<p>If this request has been submitted in error and you still "
+ "wish to receive the <strong>%s<strong> mailing list, simply do nothing, "
+ "and you will remain subscribed.</p>"
+ "</body></html>\n"
+ "\n"
+ "--__ctdlmultipart__--\n"
+ ,
+ emailaddr, roomname, url, urlroom, confirmation_token, roomname,
+ emailaddr, roomname,
+ url, urlroom, confirmation_token,
+ url, urlroom, confirmation_token,
+ roomname
+ );
+
+ quickie_message("Citadel", from_address, emailaddr, NULL, emailtext, FMT_RFC822, "Please confirm your list subscription");
+}
+
+
/*
* "Subscribe" and "Unsubscribe" operations are so similar that they share a function.
* The actual subscription doesn't take place here -- we just send out the confirmation request
*/
void do_subscribe_or_unsubscribe(int action, char *emailaddr, char *url) {
- char *netconfig, *newnetconfig;
- int config_lines, i;
+ int i;
char buf[1024];
+ char confirmation_token[40];
// Update this room's netconfig with the updated lastsent
begin_critical_section(S_NETCONFIGS);
- netconfig = LoadRoomNetConfigFile(CC->room.QRnumber);
- if (!netconfig) {
- netconfig = strdup("");
+ char *oldnetconfig = LoadRoomNetConfigFile(CC->room.QRnumber);
+ if (!oldnetconfig) {
+ oldnetconfig = strdup("");
}
- // The new netconfig begins with the new lastsent directive
- newnetconfig = malloc(strlen(netconfig) + 1024);
-#if 0
- FIXME SYNTAX ERROR #$%$&%$^#%$ sprintf(newnetconfig, "lastsent|%ld\n", ld.msgnum);
-#endif
+ // The new netconfig begins with an empty buffer...
+ char *newnetconfig = malloc(strlen(oldnetconfig) + 1024);
+ newnetconfig[0] = 0;
- // And then we append all of the old netconfig, minus the old lastsent. Also omit blank lines.
- config_lines = num_tokens(netconfig, '\n');
+ // And then we...
+ int is_already_subscribed = 0;
+ int config_lines = num_tokens(oldnetconfig, '\n');
for (i=0; i<config_lines; ++i) {
- extract_token(buf, netconfig, i, '\n', sizeof buf);
- if ( (!IsEmptyStr(buf)) && (strncasecmp(buf, "lastsent|", 9)) ) {
+ extract_token(buf, oldnetconfig, i, '\n', sizeof buf);
+ int keep_this_line =1; // set to nonzero if we are discarding a line
+
+ if (IsEmptyStr(buf)) {
+ keep_this_line = 0;
+ }
+
+ char buf_token[1024];
+ char buf_email[1024];
+ extract_token(buf_token, buf, 0, '|', sizeof buf_token);
+ extract_token(buf_email, buf, 1, '|', sizeof buf_email);
+
+ if ( ( (!strcasecmp(buf_token, "listrecp")) || (!strcasecmp(buf_token, "digestrecp")) )
+ && (!strcasecmp(buf_email, emailaddr))
+ ) {
+ is_already_subscribed = 1;
+ }
+
+ if ( (!strcasecmp(buf_token, "subpending")) || (!strcasecmp(buf_token, "unsubpending")) ) {
+ time_t pendingtime = extract_long(buf, 3);
+ if ((time(NULL) - pendingtime) > 259200) {
+ syslog(LOG_DEBUG, "%s %s is %ld seconds old - deleting it", buf_email, buf_token, time(NULL) - pendingtime);
+ keep_this_line = 0;
+ }
+ }
+
+ if (keep_this_line) {
sprintf(&newnetconfig[strlen(newnetconfig)], "%s\n", buf);
}
}
+ // Do we need to send out a confirmation email?
+ if ((action == SUBSCRIBE) && (!is_already_subscribed)) {
+ generate_uuid(confirmation_token);
+ sprintf(&newnetconfig[strlen(newnetconfig)], "subpending|%s|%s|%ld|%s", emailaddr, confirmation_token, time(NULL), url);
+ send_subscribe_confirmation_email(CC->room.QRname, emailaddr, url, confirmation_token);
+ }
+ if ((action == UNSUBSCRIBE) && (is_already_subscribed)) {
+ generate_uuid(confirmation_token);
+ sprintf(&newnetconfig[strlen(newnetconfig)], "unsubpending|%s|%s|%ld|%s", emailaddr, confirmation_token, time(NULL), url);
+ send_unsubscribe_confirmation_email(CC->room.QRname, emailaddr, url, confirmation_token);
+ }
+
// Write the new netconfig back to disk
+ syslog(LOG_DEBUG, "old: <\033[31m%s\033[0m>", oldnetconfig);
+ syslog(LOG_DEBUG, "new: <\033[32m%s\033[0m>", newnetconfig);
SaveRoomNetConfigFile(CC->room.QRnumber, newnetconfig);
end_critical_section(S_NETCONFIGS);
free(newnetconfig); // this was the new netconfig, free it because we're done with it
- free(netconfig); // this was the old netconfig, free it even if we didn't do anything
-
-#if 0
- FIXME tell the client what we did
-#endif
-
+ free(oldnetconfig); // this was the old netconfig, free it even if we didn't do anything
+ // Tell the client what happened.
+ if ((action == SUBSCRIBE) && (is_already_subscribed)) {
+ cprintf("%d This email is already subscribed.\n", ERROR + ALREADY_EXISTS);
+ }
+ else if ((action == SUBSCRIBE) && (!is_already_subscribed)) {
+ cprintf("%d Confirmation email sent.\n", CIT_OK);
+ }
+ else if ((action == UNSUBSCRIBE) && (!is_already_subscribed)) {
+ cprintf("%d This email is not subscribed.\n", ERROR + NO_SUCH_USER);
+ }
+ else if ((action == UNSUBSCRIBE) && (is_already_subscribed)) {
+ cprintf("%d Confirmation email sent.\n", CIT_OK);
+ }
+ else {
+ cprintf("%d FIXME tell the client what we did\n", ERROR);
+ }
}
projects / citadel.git / blobdiff