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# HTTP Proxy
#
# All packages must be inside a namespace with the
# same name as the file name.
#
# This package is capitalized (HTTPProxy) because H comes before h, and this
# package needs to have its goOnline function called before other packages'
#
# $Revision: 1.6 $
#
# Author: Brian Lalor <blalor@hcirisc.cs.binghamton.edu>
# HomePage: http://hcirisc.cs.binghamton.edu/~blalor/tik
# Set VERSION and VERSDATE using the CVS tags.
namespace eval HTTPProxy {
regexp -- {[0-9]+\.[0-9]+} {@(#)TiK HTTPProxy package $Revision: 1.6 $} \
::HTTPProxy::VERSION
regexp -- { .* } {:$Date: 1999/03/15 16:36:22 $} \
::HTTPProxy::VERSDATE
}
package require http 2.0
tik_default_set options,HTTPProxy,enable 0
namespace eval HTTPProxy {
variable directhosts [list localhost 127.0.0.1 [info hostname]]
variable info
# Must export at least: load, unload, goOnline, goOffline
namespace export load unload goOnline goOffline proxyFilter
# All packages must have a load routine. This should do most
# of the setup for the package. Called only once.
proc load {} {
menu .httpProxyMenu -tearoff 0
set HTTPProxy::info(menu) [tik_str P_HTTPPROXY_M]
.generalMenu add cascade -label [tik_str P_HTTPPROXY_M] -menu .httpProxyMenu
.httpProxyMenu add command -label [tik_str P_HTTPPROXY_M_CONFIG] -command HTTPProxy::config
# enable/disable cascade menu
menu .httpProxyEMenu -tearoff 0
.httpProxyMenu add cascade -label [tik_str P_HTTPPROXY_M_E] -menu .httpProxyEMenu
.httpProxyEMenu add radiobutton -label [tik_str B_DISABLED] -value 0 \
-variable ::TIK(options,HTTPProxy,enable) \
-command HTTPProxy::enableProxy
.httpProxyEMenu add radiobutton -label [tik_str B_ENABLED] -value 1 \
-variable ::TIK(options,HTTPProxy,enable) \
-command HTTPProxy::enableProxy
}
proc enableProxy {} {
if {$::TIK(options,HTTPProxy,enable)} {
if { ((! [info exists ::HTTPPROXY]) || ([string length $::HTTPPROXY] == 0))
|| ((! [info exists ::HTTPPORT]) || ([string length $::HTTPPROXY] == 0)) } {
set ::TIK(options,HTTPProxy,enable) 0
error "HTTP ERROR: Please set HTTPPROXY and HTTPPORT\n"
} else {
http::config -proxyfilter HTTPProxy::proxyFilter
}
} else {
http::config -proxyfilter http::ProxyRequired
}
}
# All pacakges must have goOnline routine. Called when the user signs
# on, or if the user is already online when packages loaded.
proc goOnline {} {
lappend HTTPProxy::directhosts $::TOC($::SELECTEDTOC,host)
enableProxy
}
# All pacakges must have goOffline routine. Called when the user signs
# off. NOT called when the package is unloaded.
proc goOffline {} {
}
# All packages must have a unload routine. This should remove everything
# the package set up. This is called before load is called when reloading.
proc unload {} {
.generalMenu delete [tik_str P_HTTPPROXY_M]
destroy .httpProxyEMenu
destroy .httpProxyMenu
}
proc proxyFilter {host} {
if { [lsearch $HTTPProxy::directhosts ${host}*] != -1 } {
return [list "" ""]
} else {
return [list "$::HTTPPROXY" "$::HTTPPORT"]
}
}
proc config {} {
set w .proxyconfig
destroy $w
toplevel $w -class Tik
wm title $w [tik_str P_HTTPPROXY_C_TITLE]
wm iconname $w [tik_str P_HTTPPROXY_C_ICON]
if {$::TIK(options,windowgroup)} {wm group $w .login}
label $w.label -text [tik_str P_HTTPPROXY_C_WARN]
frame $w.tochostF
label $w.tochostF.l -text [tik_str P_HTTPPROXY_C_HOST] -width 15
entry $w.tochostF.e -textvariable ::HTTPPROXY \
-exportselection 0
pack $w.tochostF.l $w.tochostF.e -side left
frame $w.tocportF
label $w.tocportF.l -text [tik_str P_HTTPPROXY_C_PORT] -width 15
entry $w.tocportF.e -textvariable ::HTTPPORT \
-exportselection 0
pack $w.tocportF.l $w.tocportF.e -side left
button $w.ok -text [tik_str B_OK] -command "destroy $w"
pack $w.label $w.tochostF $w.tocportF $w.ok -side top
}
}
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