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75 lines
2.1 KiB
V
75 lines
2.1 KiB
V
// Copyright (c) 2019-2021 Alexander Medvednikov. All rights reserved.
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// Use of this source code is governed by an MIT license
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// that can be found in the LICENSE file.
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module http
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import strings
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import net.openssl
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const (
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is_used = openssl.is_used
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)
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fn (req &Request) ssl_do(port int, method Method, host_name string, path string) ?Response {
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// ssl_method := C.SSLv23_method()
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ctx := C.SSL_CTX_new(C.TLS_method())
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C.SSL_CTX_set_verify_depth(ctx, 4)
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flags := C.SSL_OP_NO_SSLv2 | C.SSL_OP_NO_SSLv3 | C.SSL_OP_NO_COMPRESSION
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C.SSL_CTX_set_options(ctx, flags)
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mut res := C.SSL_CTX_load_verify_locations(ctx, 'random-org-chain.pem', 0)
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web := C.BIO_new_ssl_connect(ctx)
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addr := host_name + ':' + port.str()
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res = C.BIO_set_conn_hostname(web, addr.str)
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ssl := &openssl.SSL(0)
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C.BIO_get_ssl(web, &ssl)
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preferred_ciphers := 'HIGH:!aNULL:!kRSA:!PSK:!SRP:!MD5:!RC4'
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res = C.SSL_set_cipher_list(voidptr(ssl), &char(preferred_ciphers.str))
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if res != 1 {
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println('http: openssl: cipher failed')
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}
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res = C.SSL_set_tlsext_host_name(voidptr(ssl), host_name.str)
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res = C.BIO_do_connect(web)
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if res != 1 {
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return error('cannot connect the endpoint')
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}
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res = C.BIO_do_handshake(web)
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C.SSL_get_peer_certificate(voidptr(ssl))
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res = C.SSL_get_verify_result(voidptr(ssl))
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// /////
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req_headers := req.build_request_headers(method, host_name, path)
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$if trace_http_request ? {
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eprintln('> $req_headers')
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}
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// println(req_headers)
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C.BIO_puts(web, &char(req_headers.str))
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mut content := strings.new_builder(100)
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mut buff := [bufsize]byte{}
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bp := &buff[0]
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mut readcounter := 0
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for {
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readcounter++
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len := unsafe { C.BIO_read(web, bp, bufsize) }
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if len <= 0 {
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break
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}
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$if debug_http ? {
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eprintln('ssl_do, read ${readcounter:4d} | len: $len')
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eprintln('-'.repeat(20))
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eprintln(unsafe { tos(bp, len) })
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eprintln('-'.repeat(20))
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}
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unsafe { content.write_ptr(bp, len) }
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}
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if web != 0 {
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C.BIO_free_all(web)
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}
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if ctx != 0 {
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C.SSL_CTX_free(ctx)
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}
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response_text := content.str()
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$if trace_http_response ? {
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eprintln('< $response_text')
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}
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return parse_response(response_text)
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}
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