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157 lines
4.1 KiB
PHP
Executable File
157 lines
4.1 KiB
PHP
Executable File
#!/usr/bin/php
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<?php
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/**
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* script: set_proxy
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*
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* Copyright 2005-2024, Lime Technology
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*
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* Call this script (/usr/local/sbin/set_proxy.php) to set up proxy files.
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*/
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$opmPlugin = "dynamix";
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require_once("plugins/".$opmPlugin."/include/OutgoingProxyLib.php");
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/* Files generated by this script based on the data in proxy.cfg. */
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$proxy_sh = '/etc/profile.d/proxy.sh';
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$proxy_ini = '/usr/local/emhttp/state/proxy.ini';
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/* Random file extension for atomic writes. */
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$rnd = rand();
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/* Comments to beginning of the proxy_sh file. */
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$comments = "#!/bin/bash\n"."# Do not edit. This file is autogenerated by /usr/local/emhttp/plugins/dynamix/scripts/set_proxy.\n";
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/* Set verbose if command line switch is set. */
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$verbose = false;
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if (isset($argv[1]) && ($argv[1] == '-v')) {
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$verbose = true;
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}
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/* Initialize global variables. */
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$proxy_active = "";
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$proxy_url = "";
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$no_proxy = "";
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/* Write comments and content to a file. */
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function write_file($file, $content, $show_comments = false) {
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global $rnd, $comments;
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$tmpFile = "{$file}.{$rnd}";
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file_put_contents($tmpFile, ($show_comments ? $comments : "").$content);
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chmod($tmpFile, 0755);
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rename($tmpFile, $file);
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}
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/* Write environment variables to /etc/profile.d/proxy.sh. */
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function set_proxy_sh() {
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global $proxy_sh, $proxy_url, $no_proxy;
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$content = "export http_proxy=".$proxy_url."\n";
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$content .= "export https_proxy=".$proxy_url."\n";
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$content .= "export no_proxy=".$no_proxy."\n";
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write_file($proxy_sh, $content, true);
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}
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/* Clear environment variables from /etc/profile.d/proxy.sh. */
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function unset_proxy_sh() {
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global $proxy_sh;
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$content = "unset http_proxy\n";
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$content .= "unset https_proxy\n";
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$content .= "unset no_proxy\n";
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write_file($proxy_sh, $content, true);
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}
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/* Write proxy information to /usr/local/emhttp/state/proxy.ini. */
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function set_proxy_ini() {
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global $proxy_ini, $proxy_url, $no_proxy;
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$content = "http_proxy=".$proxy_url."\n";
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$content .= "https_proxy=".$proxy_url."\n";
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$content .= "no_proxy=".$no_proxy."\n";
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write_file($proxy_ini, $content);
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}
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/* Clear /usr/local/emhttp/state/proxy.ini. */
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function unset_proxy_ini() {
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/* Vars are empty now, call set_proxy_ini to add empty vars to proxy.ini. */
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set_proxy_ini();
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}
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/* Generate proxy files. */
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function add_proxy_to_generated_files() {
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global $verbose;
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echo("generating proxy files\n");
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set_proxy_sh();
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set_proxy_ini();
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if ($verbose) {
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display_generated_files();
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}
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}
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/* Remove proxy info from all generated files. */
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function remove_proxy_from_generated_files() {
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global $verbose;
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echo("removing proxy info from generated files\n");
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unset_proxy_sh();
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unset_proxy_ini();
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if ($verbose) {
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display_generated_files();
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}
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}
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/* When verbose mode is enabled. */
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function display_generated_files() {
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global $proxy_sh, $proxy_ini;
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echo("\n");
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display_generated_file($proxy_sh);
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echo("\n");
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display_generated_file($proxy_ini);
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}
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/* When verbose mode is enabled. */
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function display_generated_file($file) {
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echo("file: ".$file."\n");
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if (file_exists($file)) {
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echo(file_get_contents($file));
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} else {
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echo("file does not exist\n");
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}
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}
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/* Read current proxy information from Outgoing Proxy Manager config file. */
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$config = parse_plugin_config();
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/* Get the current active proxy. */
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$proxy_active = $config['proxy_active'] ?? "0";
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$proxy_url = "";
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/* Only build full url for an active proxy. */
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if ($proxy_active != "0") {
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/* Get the active proxy url, user, and pass. */
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$proxy_url = "proxy_url_".$proxy_active;
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$proxy_user = "proxy_user_".$proxy_active;
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$proxy_pass = "proxy_pass_".$proxy_active;
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/* Get the full url for the active proxy. */
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$url_array = get_proxy_info($config[$proxy_url] ?? "", $config[$proxy_user] ?? "", $config[$proxy_pass] ?? "");
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$proxy_url = $proxy_active ? $url_array['full_url'] : "";
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/* If the active proxy url is defined, create the generated files. */
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if ($proxy_url) {
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/* Proxies are defined, write generated files. */
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$no_proxy = "127.0.0.1,localhost";
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add_proxy_to_generated_files();
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}
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} else {
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/* If no active proxies, remove proxy info from all generated files. */
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remove_proxy_from_generated_files();
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}
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?>
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