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67 lines
1.8 KiB
V
67 lines
1.8 KiB
V
// Copyright (c) 2019-2020 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, host_name, path string) ?Response {
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// ssl_method := C.SSLv23_method()
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ssl_method := C.TLSv1_2_method()
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ctx := C.SSL_CTX_new(ssl_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(ssl, 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(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(ssl)
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res = C.SSL_get_verify_result(ssl)
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// /////
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req_headers := req.build_request_headers(method, host_name, path)
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C.BIO_puts(web, 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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mut readcounter := 0
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for {
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readcounter++
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len := C.BIO_read(web, buff, 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(tos(buff, len))
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eprintln('-'.repeat(20))
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}
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content.write_bytes(buff, 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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return parse_response(content.str())
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}
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