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146 lines
2.8 KiB
V
146 lines
2.8 KiB
V
// Copyright (c) 2019 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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// On linux, prefer a localy build openssl, because it is
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// much more likely for it to be newer, than the system
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// openssl from libssl-dev. If there is no local openssl,
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// the next flag is harmless, since it will still use the
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// (older) system openssl.
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#flag linux -I/usr/local/include/openssl -L/usr/local/lib
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#flag -l ssl -l crypto
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// MacPorts
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#flag darwin -I/opt/local/include
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#flag darwin -L/opt/local/lib
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// Brew
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#flag darwin -I/usr/local/opt/openssl/include
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#flag darwin -L/usr/local/opt/openssl/lib
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#include <openssl/ssl.h>
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struct C.SSL {
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}
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fn C.SSL_library_init()
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fn C.TLSv1_2_method() voidptr
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fn C.SSL_CTX_set_options()
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fn C.SSL_CTX_new() voidptr
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fn C.SSL_CTX_set_verify_depth()
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fn C.SSL_CTX_load_verify_locations() int
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fn C.BIO_new_ssl_connect() voidptr
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fn C.BIO_set_conn_hostname() int
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fn C.BIO_get_ssl()
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fn C.SSL_set_cipher_list() int
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fn C.BIO_do_connect() int
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fn C.BIO_do_handshake() int
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fn C.SSL_get_peer_certificate() int
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fn C.SSL_get_verify_result() int
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fn C.SSL_set_tlsext_host_name() int
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fn C.BIO_puts()
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fn C.BIO_read()
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fn C.BIO_free_all()
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fn C.SSL_CTX_free()
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fn init() int {
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C.SSL_library_init()
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return 1
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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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if isnil(method) {
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}
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ctx := C.SSL_CTX_new(ssl_method)
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if isnil(ctx) {
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}
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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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if res != 1 {
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}
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web := C.BIO_new_ssl_connect(ctx)
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if isnil(ctx) {
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}
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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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if res != 1 {
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}
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ssl := &C.SSL(0)
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C.BIO_get_ssl(web, &ssl)
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if isnil(ssl) {
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}
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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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}
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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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s := req.build_request_headers(method, host_name, path)
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C.BIO_puts(web, s.str)
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mut sb := strings.new_builder(100)
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for {
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buff := [1536]byte
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len := int(C.BIO_read(web, buff, 1536))
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if len > 0 {
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sb.write(tos(buff, len))
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}
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else {
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break
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}
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}
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if !isnil(web) {
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C.BIO_free_all(web)
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}
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if !isnil(ctx) {
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C.SSL_CTX_free(ctx)
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}
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return parse_response(sb.str())
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}
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