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owut: add proxy support via env vars #63

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owut: add proxy support via env vars #63

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31 changes: 30 additions & 1 deletion files/owut
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Original file line number Diff line number Diff line change
Expand Up @@ -371,6 +371,12 @@ function _get_ca_files()
let _uc_uc = null;
let _uc_cb = null;

function _url_scheme(url)
{
let m = match(url, /^([A-Za-z][A-Za-z0-9+.-]*):\/\//);
return m ? m[1] : null;
}

function _get_uclient(url, dst_file)
{
if (! _uc_uc) {
Expand Down Expand Up @@ -434,7 +440,30 @@ function _get_uclient(url, dst_file)

}

_uc_uc.set_url(url);
let scheme = _url_scheme(url);
if (! scheme || ! match(scheme, /^https?$/i)) {
L.die("Invalid request URL (expected http or https):\n %s\n", url);
}

let proxy = null;
if (match(scheme, /^https$/i)) {
proxy = getenv("https_proxy");
} else {
proxy = getenv("http_proxy");
}

if (proxy) {
let proxy_scheme = _url_scheme(proxy);
if (! proxy_scheme || ! match(proxy_scheme, /^https?$/i)) {
L.die("Invalid proxy URL (expected http or https):\n %s\n", proxy);
}

_uc_uc.set_url(proxy_url);
_uc_uc.set_proxy_url(url);
} else {
_uc_uc.set_url(url);
}

_uc_cb.url = url;
_uc_cb.dst_file = dst_file;

Expand Down