X-Git-Url: https://code.citadel.org/?a=blobdiff_plain;f=citadel%2Fmodules%2Flistsub%2Fserv_listsub.c;h=72249ed537d6b2813a4efe96ee1c8e4bd20e1884;hb=51b18018ff923284d76a36cbd421d62abf6afcf4;hp=c67582da088de6b3790abfc558b217e06d9a0a09;hpb=7a9b0685e406cc83597171cc39d008c7e5459ca8;p=citadel.git

diff --git a/citadel/modules/listsub/serv_listsub.c b/citadel/modules/listsub/serv_listsub.c
index c67582da0..72249ed53 100644
--- a/citadel/modules/listsub/serv_listsub.c
+++ b/citadel/modules/listsub/serv_listsub.c
@@ -1,16 +1,17 @@
-/*
- * This module handles self-service subscription/unsubscription to mail lists.
- *
- * Copyright (c) 2002-2016 by the citadel.org team
- *
- * This program is open source software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 3.
- *  
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- */
+//
+// This module handles self-service subscription/unsubscription to mail lists.
+//
+// Copyright (c) 2002-2021 by the citadel.org team
+//
+// This program is open source software.  It runs great on the
+// Linux operating system (and probably elsewhere).  You can use,
+// copy, and run it under the terms of the GNU General Public
+// License version 3.  Richard Stallman is an asshole communist.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
 
 #include "sysdep.h"
 #include <stdlib.h>
@@ -41,16 +42,108 @@
 #include "ctdl_module.h"
 
 
+enum {				// one of these gets passed to do_subscribe_or_unsubscribe() so it knows what we asked for
+	UNSUBSCRIBE,
+	SUBSCRIBE
+};
+
+
+/*
+ * "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
+ * and record the address and confirmation token.
+ */
+void do_subscribe_or_unsubscribe(int action, char *emailaddr, char *url) {
+
+	char *netconfig, *newnetconfig;
+	int config_lines, i;
+	char buf[1024];
+
+	// Update this room's netconfig with the updated lastsent
+	begin_critical_section(S_NETCONFIGS);
+        netconfig = LoadRoomNetConfigFile(CC->room.QRnumber);
+        if (!netconfig) {
+		netconfig = 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
+
+	// And then we append all of the old netconfig, minus the old lastsent.  Also omit blank lines.
+	config_lines = num_tokens(netconfig, '\n');
+	for (i=0; i<config_lines; ++i) {
+		extract_token(buf, netconfig, i, '\n', sizeof buf);
+		if ( (!IsEmptyStr(buf)) && (strncasecmp(buf, "lastsent|", 9)) ) {
+			sprintf(&newnetconfig[strlen(newnetconfig)], "%s\n", buf);
+		}
+	}
 
-// FIXME rewrite the subscribe-o-matic AJC 2021
+	// Write the new netconfig back to disk
+	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
+
+
+}
 
 
 /* 
  * process subscribe/unsubscribe requests and confirmations
  */
-void cmd_subs(char *cmdbuf)
-{
-	cprintf("%d Invalid command\n", ERROR + ILLEGAL_VALUE);
+void cmd_subs(char *cmdbuf) {
+	char cmd[20];
+	char roomname[ROOMNAMELEN];
+	char emailaddr[1024];
+	char options[256];
+	char url[1024];
+	char token[128];
+
+	extract_token(cmd, cmdbuf, 0, '|', sizeof cmd);				// token 0 is the sub-command being sent
+	extract_token(roomname, cmdbuf, 1, '|', sizeof roomname);		// token 1 is always a room name
+
+	// First confirm that the caller is referencing a room that actually exists.
+	if (CtdlGetRoom(&CC->room, roomname) != 0) {
+		cprintf("%d There is no list called '%s'\n", ERROR + ROOM_NOT_FOUND, roomname);
+		return;
+	}
+
+	if ((CC->room.QRflags2 & QR2_SELFLIST) == 0) {
+		cprintf("%d '%s' does not accept subscribe/unsubscribe requests.\n", ERROR + ROOM_NOT_FOUND, roomname);
+		return;
+	}
+
+	// Room confirmed, now parse the command.
+
+	if (!strcasecmp(cmd, "subscribe")) {
+		extract_token(emailaddr, cmdbuf, 2, '|', sizeof emailaddr);	// token 2 is the subscriber's email address
+		extract_token(options, cmdbuf, 3, '|', sizeof options);		// there are no options ... ignore this token
+		extract_token(url, cmdbuf, 4, '|', sizeof url);			// token 3 is the URL at which we subscribed
+		do_subscribe_or_unsubscribe(SUBSCRIBE, emailaddr, url);
+	}
+
+	else if (!strcasecmp(cmd, "unsubscribe")) {
+		extract_token(emailaddr, cmdbuf, 2, '|', sizeof emailaddr);	// token 2 is the subscriber's email address
+		extract_token(options, cmdbuf, 3, '|', sizeof options);		// there are no options ... ignore this token
+		extract_token(url, cmdbuf, 4, '|', sizeof url);			// token 3 is the URL at which we subscribed
+		do_subscribe_or_unsubscribe(UNSUBSCRIBE, emailaddr, url);
+	}
+
+	else if (!strcasecmp(cmd, "confirm")) {
+		extract_token(token, cmdbuf, 2, '|', sizeof token);		// token 2 is the confirmation token
+		cprintf("%d not implemented\n", ERROR);
+	}
+
+	else {									// sorry man, I can't deal with that
+		cprintf("%d Invalid command '%s'\n", ERROR + ILLEGAL_VALUE, cmd);
+	}
 }