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D389.diff
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diff --git a/ForUsers/TOMJERRX/Download.tcl b/ForUsers/TOMJERRX/Download.tcl
new file mode 100644
--- /dev/null
+++ b/ForUsers/TOMJERRX/Download.tcl
@@ -0,0 +1,99 @@
+# This TCL allows to request the eggdrop to download a file at a specified URL.
+
+package require http
+
+#
+# Configuration
+#
+
+# Where to store downloaded files?
+set Download(path) ${incoming-path}
+
+#
+# Events
+#
+
+bind pub - !download pub:download
+bind pub - !dl pub:download
+
+# Handles download public channel commands
+proc pub:download {nick uhost handle chan text} {
+ set url [string trim $text]
+
+ if {$url == ""} {
+ puthelp "PRIVMSG $chan :$nick, what URL do you want to download?"
+ return 0
+ }
+
+ if {![isvalidurl $url]} {
+ puthelp "PRIVMSG $chan :$nick, $url isn't a valid URL"
+ return 0
+ }
+
+ if {![download $url]} {
+ puthelp "PRIVMSG $chan :$nick, I can't download that."
+ return 0
+ }
+
+ puthelp "PRIVMSG $chan :$nick, downloaded."
+ return 1
+}
+
+#
+# Helper methods
+#
+
+proc isvalidurl {url} {
+ return 1
+}
+
+proc getfilename {url fd} {
+ # Files to download should have a Content-Disposition header.
+ set headers [::http::meta $fd]
+ if {[dict exists $headers Content-Disposition]} {
+ set re "filename=\"(.*)\""
+ if {[regexp $re [dict get $headers Content-Disposition] match filename]} {
+ return $filename
+ }
+ }
+
+ # As a fallback, we use URL tail
+ file tail $url
+}
+
+proc getlocalfilename {filename} {
+ global Download
+ set base [file join $Download(path) $filename]
+
+ # Not existing filename, we can use it
+ if {![file exists $base]} {
+ return $base
+ }
+
+ # If it already exists, we append .1 .2 .3
+ set i 1
+ while {[file exists $base.$i]} {
+ incr i
+ }
+ return $base.$i
+}
+
+proc download {url} {
+ # Code from http://wiki.tcl.tk/12871 by Venkat Iyer and male.
+ set fd_remote [::http::geturl $url -binary 1]
+ set filename [getfilename $url $fd_remote]
+ set localpath [getlocalfilename $filename]
+
+ if {[::http::ncode $fd_remote] != 200} {
+ # TODO: follow redirections or invoke curl instead of doing it in native TCL
+ return 0
+ }
+
+ set fd_local [open $localpath w]
+ fconfigure $fd_local -translation binary
+ puts -nonewline $fd_local [::http::data $fd_remote]
+ close $fd_local
+
+ ::http::cleanup $fd_remote
+ return 1
+}
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