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http: support plain http protocol

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This commit is contained in:
Delyan Angelov
2019-08-21 20:04:06 +03:00
committed by Alexander Medvednikov
parent e35ef3b83e
commit 51818346df
8 changed files with 103 additions and 35 deletions
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59
vlib/http/http.v
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@@ -103,38 +103,45 @@ pub fn (req &Request) do() ?Response {
for key, val in req.headers {
//h := '$key: $val'
}
url := urllib.parse(req.url) or {
return error('http.request.do: invalid URL $req.url')
// return Response{} //error('ff')}
}
is_ssl := url.scheme == 'https'
if !is_ssl {
return error('non https requests are not supported right now')
}
// first request
mut p := url.path.trim_left('/')
mut u := if url.query().size > 0 { '/$p?${url.query().encode()}' } else { '/$p' }
mut resp := ssl_do(req.typ, url.hostname(), u)
// follow any redirects
url := urllib.parse(req.url) or { return error('http.request.do: invalid URL $req.url') }
mut rurl := url
mut resp := Response{}
mut no_redirects := 0
for resp.status_code in [301, 302, 303, 307, 308] {
if no_redirects == max_redirects {
return error('http.request.do: maximum number of redirects reached ($max_redirects)')
}
h_loc := resp.headers['Location']
r_url := urllib.parse(h_loc) or {
return error('http.request.do: cannot follow redirect, location header has invalid url $h_loc')
}
p = r_url.path.trim_left('/')
u = if r_url.query().size > 0 { '/$p?${r_url.query().encode()}' } else { '/$p' }
resp = ssl_do(req.typ, r_url.hostname(), u)
for {
if no_redirects == max_redirects { return error('http.request.do: maximum number of redirects reached ($max_redirects)') }
qresp := method_and_url_to_response( req.typ, rurl ) or { return error(err) }
resp = qresp
if ! (resp.status_code in [301, 302, 303, 307, 308]) { break }
// follow any redirects
redirect_url := resp.headers['Location']
qrurl := urllib.parse( redirect_url ) or { return error('http.request.do: invalid URL in redirect $redirect_url') }
rurl = qrurl
no_redirects++
}
return resp
}
fn method_and_url_to_response(method string, url net_dot_urllib.URL) ?Response {
host_name := url.hostname()
scheme := url.scheme
mut p := url.path.trim_left('/')
mut path := if url.query().size > 0 { '/$p?${url.query().encode()}' } else { '/$p' }
mut nport := url.port().int()
if nport == 0 {
if scheme == 'http' { nport = 80 }
if scheme == 'https' { nport = 443 }
}
//println('fetch $method, $scheme, $host_name, $nport, $path ')
if scheme == 'https' {
//println('ssl_do( $nport, $method, $host_name, $path )')
return ssl_do( nport, method, host_name, path )
} else if scheme == 'http' {
//println('http_do( $nport, $method, $host_name, $path )')
return http_do( nport, method, host_name, path )
}
return error('http.request.do: unsupported scheme: $scheme')
}
fn parse_response(resp string) Response {
mut headers := map[string]string
first_header := resp.all_before('\n')