86 lines
1.9 KiB
Go
86 lines
1.9 KiB
Go
// Copyright (c) 2019 Alexander Medvednikov. All rights reserved.
|
|
// Use of this source code is governed by an MIT license
|
|
// that can be found in the LICENSE file.
|
|
|
|
module http
|
|
|
|
import strings
|
|
|
|
#flag -I @VROOT/thirdparty/openssl/include
|
|
#flag -lssl -lcrypto
|
|
|
|
#include <openssl/ssl.h>
|
|
|
|
struct C.SSL {
|
|
|
|
}
|
|
|
|
fn init_module() {
|
|
C.SSL_library_init()
|
|
//C.SSL_load_error_strings()
|
|
//C.OPENSSL_config(0)
|
|
}
|
|
|
|
fn ssl_do(method, host_name, path string) string {
|
|
ssl_method := C.SSLv23_method()
|
|
if isnil(method) {
|
|
}
|
|
ctx := C.SSL_CTX_new(ssl_method)
|
|
if isnil(ctx) {
|
|
}
|
|
C.SSL_CTX_set_verify_depth(ctx, 4)
|
|
flags := C.SSL_OP_NO_SSLv2 | C.SSL_OP_NO_SSLv3 | C.SSL_OP_NO_COMPRESSION
|
|
C.SSL_CTX_set_options(ctx, flags)
|
|
mut res := C.SSL_CTX_load_verify_locations(ctx, 'random-org-chain.pem', 0)
|
|
if res != 1 {
|
|
}
|
|
web := C.BIO_new_ssl_connect(ctx)
|
|
if isnil(ctx) {
|
|
}
|
|
addr := host_name + ':443'
|
|
res = C.BIO_set_conn_hostname(web, addr.str)
|
|
if res != 1 {
|
|
}
|
|
ssl := &C.SSL{!}
|
|
C.BIO_get_ssl(web, &ssl)
|
|
if isnil(ssl) {
|
|
}
|
|
preferred_ciphers := 'HIGH:!aNULL:!kRSA:!PSK:!SRP:!MD5:!RC4'
|
|
res = C.SSL_set_cipher_list(ssl, preferred_ciphers.str)
|
|
if res != 1 {
|
|
}
|
|
res = C.SSL_set_tlsext_host_name(ssl, host_name.str)
|
|
out := C.BIO_new_fp(stdout, C.BIO_NOCLOSE)
|
|
res = C.BIO_do_connect(web)
|
|
res = C.BIO_do_handshake(web)
|
|
cert := C.SSL_get_peer_certificate(ssl)
|
|
res = C.SSL_get_verify_result(ssl)
|
|
///////
|
|
s := '$method $path HTTP/1.1\r\n' +
|
|
'Host: $host_name\r\n' +
|
|
'Connection: close\r\n\r\n'
|
|
C.BIO_puts(web, s.str)
|
|
C.BIO_puts(out, '\n')
|
|
mut sb := strings.new_builder(100)
|
|
for {
|
|
buff := [1536]byte
|
|
len := int(C.BIO_read(web, buff, 1536) )
|
|
if len > 0 {
|
|
sb.write(tos(buff, len))
|
|
}
|
|
else {
|
|
break
|
|
}
|
|
}
|
|
if !isnil(out) {
|
|
C.BIO_free(out)
|
|
}
|
|
if !isnil(web) {
|
|
C.BIO_free_all(web)
|
|
}
|
|
if !isnil(ctx) {
|
|
C.SSL_CTX_free(ctx)
|
|
}
|
|
return sb.str()
|
|
}
|