From d8f115ce72f2b4793190ded34ff0ba1266828e88 Mon Sep 17 00:00:00 2001
From: Rob Swindell <rob@synchro.net>
Date: Sat, 23 Jan 2021 15:32:30 -0800
Subject: [PATCH] Transfer protocol module that sends files as E-mail
attachments
Install via "jsexec emailfiles -install". See comments for details.
This is the result of the script begun in this tutorial video:
https://youtu.be/1cSnF3Vq9XA
---
exec/emailfiles.js | 145 +++++++++++++++++++++++++++++++++++++++++++++
1 file changed, 145 insertions(+)
create mode 100755 exec/emailfiles.js
diff --git a/exec/emailfiles.js b/exec/emailfiles.js
new file mode 100755
index 0000000000..483c64467e
--- /dev/null
+++ b/exec/emailfiles.js
@@ -0,0 +1,145 @@
+// File transfer protocol driver for the Synchronet Terminal Server
+// Sends file(s) via E-Mail attachment(s)
+
+// Make sure SCFG->Networks->Internet E-mail->Allow Sending of E-mail and
+// Allow File Attachments are set to "Yes".
+
+// Install using 'jsexec emailfiles.js -install'
+
+// Or manually in SCFG->File Options->File Transfer Protocols:
+
+// Mnemonic (Command Key) E
+// Protocol Name E-mail Attachment
+// Download Command Line ?emailfiles %f
+// Batch Download Command Line ?emailfiles %s
+// Native Executable/Script Yes
+// Supports DSZLOG Yes
+// Socket I/O No
+
+// Your Synchronet Mail Server (SendMail thread) must be operational for this
+// module to work as expected.
+
+require("sbbsdefs.js", "K_EDIT");
+require('smbdefs.js', 'NET_INTERNET');
+require("text.js", "InvalidNetMailAddr");
+
+"use strict";
+
+if(argc < 1) {
+ alert("No filenames given");
+ exit(1);
+}
+
+var options = load({}, "modopts.js", "emailfiles");
+if(!options)
+ options = {};
+if(!options.maxsize)
+ options.maxsize = 10 * 1024 * 1024;
+
+if(argv[0] === '-install') {
+ var cnflib = load({}, "cnflib.js");
+ var file_cnf = cnflib.read("file.cnf");
+ if(!file_cnf) {
+ alert("Failed to read file.cnf");
+ exit(-1);
+ }
+ file_cnf.prot.push({
+ key: 'E'
+ , name: 'E-mail Attachment'
+ , dlcmd: '?emailfiles %f'
+ , batdlcmd: '?emailfiles %s'
+ , ars: 'REST NOT M'
+ , settings: PROT_NATIVE | PROT_DSZLOG
+ });
+
+ if(!cnflib.write("file.cnf", undefined, file_cnf)) {
+ alert("Failed to write file.cnf");
+ exit(-1);
+ }
+ exit(0);
+}
+
+function sendfiles()
+{
+ var logfile = new File(system.node_dir + "PROTOCOL.LOG");
+ if(!logfile.open("w")) {
+ alert("Error " + logfile.error + " opening " + f.name);
+ return 1;
+ }
+
+ var msgbase = new MsgBase('mail');
+ if(!msgbase.open()) {
+ alert("Error " + msgbase.error + " opening mail base");
+ return 1;
+ }
+
+ var files_sent = 0;
+ for(var i = 0; i < argc; i++) {
+ var fpath = argv[i];
+ var fname = file_getname(fpath);
+ if(!file_exists(fpath)) {
+ alert(format("File (%s) does not exist", fname));
+ continue;
+ }
+ var size = file_size(fpath);
+ if(!user.is_sysop && size > options.maxsize) {
+ alert(format("File (%s) size (%u) larger than maximum: %u bytes"
+ ,fname
+ ,size
+ ,options.maxsize));
+ continue;
+ }
+ var hdr = { subject: fname
+ ,from: user.alias
+ ,from_ext: user.number
+ ,to: user.name
+ ,to_net_type: NET_INTERNET
+ ,to_net_addr: address
+ ,auxattr: MSG_FILEATTACH | MSG_KILLFILE
+ };
+ if(!msgbase.save_msg(hdr, options.msg || "Your requested file is attached.")) {
+ alert("Error " + msgbase.error + " saving msg");
+ continue;
+ }
+ var dir = system.data_dir + format("file/%04u.out/", user.number);
+ if(!mkpath(dir)) {
+ alert("Error " + errno_str + " making directory: " + dir);
+ continue;
+ }
+ if(!file_copy(fpath, dir + fname)) {
+ alert("Error copying file: " + fname);
+ continue;
+ }
+ console.print(format(options.success || "Successfully sent: %s", fname));
+ console.crlf();
+ logfile.writeln(format("S %u infinite infinite 0 cps 0 errors 0 infinite %s -1"
+ ,size, fpath));
+ files_sent++;
+ }
+ logfile.close();
+ msgbase.close();
+ return files_sent > 0 ? 0 : 1;
+}
+
+var result = 1; // error
+if(!user.is_sysop && !(msg_area.inet_netmail_settings & NMAIL_ALLOW))
+ alert(bbs.text(NoNetMailAllowed));
+else if(!user.is_sysop && !(msg_area.inet_netmail_settings & NMAIL_FILE))
+ alert(bbs.text(EmailFilesNotAllowed));
+else {
+ console.print(options.prompt || "\x01h\x01yE-mail address: ");
+ if(!bbs.mods.emailfiles_address)
+ bbs.mods.emailfiles_address = user.netmail;
+ var address = console.getstr(bbs.mods.emailfiles_address, 60, K_EDIT | K_AUTODEL | K_LINE);
+ if(console.aborted || netaddr_type(address) != NET_INTERNET || address.indexOf('@' + system.inet_addr) >= 0)
+ alert(options.badaddr || "Unsupported e-mail address");
+ else {
+ bbs.mods.emailfiles_address = address;
+ result = sendfiles();
+ }
+}
+// The BBS flushes I/O buffers when returning from file transfers:
+while(bbs.online && console.output_buffer_level && !js.terminated) {
+ sleep(100);
+}
+exit(result);
--
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