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v/vlib/http/http_mac.v
2019-07-14 22:26:21 +02:00

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// 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
#include <curl/curl.h>
#flag darwin -lcurl
#flag windows -lcurl
#flag linux -lcurl
fn C.curl_easy_init() *C.CURL
fn foo() {}
type wsfn fn (s string, ptr voidptr)
struct MemoryStruct {
size size_t
ws_func wsfn
user_ptr voidptr // for wsfn
strings []string
}
import const (
CURLOPT_WRITEFUNCTION
CURLOPT_SSL_VERIFYPEER
CURLOPT_HEADERFUNCTION
CURLOPT_WRITEDATA
CURLOPT_HEADERDATA
CURLOPT_FOLLOWLOCATION
CURLOPT_URL
CURLOPT_VERBOSE
CURLOPT_HTTP_VERSION
CURL_HTTP_VERSION_1_1
CURLOPT_HTTPHEADER
CURLOPT_POSTFIELDS
CURLOPT_CUSTOMREQUEST
CURLOPT_TCP_KEEPALIVE
CURLINFO_CONTENT_LENGTH_DOWNLOAD
CURLE_OK
)
fn C.curl_easy_strerror(curl voidptr) byteptr
fn C.curl_easy_perform(curl voidptr) C.CURLcode
fn write_fn(contents byteptr, size, nmemb int, _mem *MemoryStruct) int {
mut mem := _mem
// # printf("size =%d nmemb=%d contents=%s\n", size, nmemb, contents);
realsize := size * nmemb// TODO size_t ?
// if !isnil(mem.ws_func) {
# if (mem->ws_func)
{
//C.printf('\n\nhttp_mac.m: GOT WS FUNC. size=%d\n', realsize)
// Skip negative and 0 junk chars in the WS string
mut start := 0
for i := 0; i < realsize; i++ {
// printf("char=%d %c\n", s[i], s[i]);
if contents[i] == 0 && start == 0 {
start = i
break
}
}
contents += start + 1
// printf("GOOD CONTEnTS=%s\n", contents);
s := string(contents)
// mem.ws_func('kek', 0)
# mem->ws_func(s, mem->user_ptr);
}
mut c := string(contents)
c = c.trim_space()
// Need to clone because libcurl reuses this memory
mem.strings << c.clone()
return realsize
}
struct C.curl_slist { }
fn (req &Request) do() Response {
//println('req.do() mac/linux url="$req.url" data="$req.data"')
// println('req.do() url="$req.url"')
/*
mut resp := Response {
headers: map[string]string{}
}
*/
mut headers := map[string]string{}
// no data at this point
chunk := MemoryStruct {
ws_func: req.ws_func
user_ptr: req.user_ptr
}
// header chunk
hchunk := MemoryStruct {
ws_func: foo
user_ptr: 0
}
// init curl
curl := C.curl_easy_init()
if isnil(curl) {
println('curl init failed')
return Response{}
}
// options
// url2 := req.url.clone()
C.curl_easy_setopt(curl, CURLOPT_URL, req.url.cstr())// ..clone())
// C.curl_easy_setopt(curl, CURLOPT_URL, 'http://example.com')
// return resp
// curl_easy_setopt(curl, CURLOPT_SSL_VERIFYHOST, 0);
$if windows {
C.curl_easy_setopt(curl, CURLOPT_SSL_VERIFYPEER, 0)
}
C.curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, write_fn)
C.curl_easy_setopt(curl, CURLOPT_HEADERFUNCTION, write_fn)
C.curl_easy_setopt(curl, CURLOPT_WRITEDATA, &chunk)
C.curl_easy_setopt(curl, CURLOPT_HEADERDATA, &hchunk)
C.curl_easy_setopt(curl, CURLOPT_FOLLOWLOCATION, 1)
if req.typ == 'POST' {
C.curl_easy_setopt(curl, CURLOPT_POSTFIELDS, req.data.cstr())
C.curl_easy_setopt(curl, CURLOPT_CUSTOMREQUEST, 'POST')
// req.headers << 'Content-Type: application/x-www-form-urlencoded'
}
// Add request headers
mut hlist := &C.curl_slist{!}
// for i, h := range req.headers {
for key, val in req.headers {
h := '$key: $val'
hlist = C.curl_slist_append(hlist, h.cstr())
}
// curl_easy_setopt(curl, CURLOPT_HTTP_VERSION, // (long)CURL_HTTP_VERSION_2TLS);<3B>`C<>ʀ9<CA80>
C.curl_easy_setopt(curl, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_1)
if req.verbose {
C.curl_easy_setopt(curl, CURLOPT_VERBOSE, 1)
}
C.curl_easy_setopt(curl, CURLOPT_HTTPHEADER, hlist)
C.curl_easy_setopt(curl, CURLOPT_TCP_KEEPALIVE, 1)
C.curl_easy_setopt(curl, CURLOPT_FOLLOWLOCATION, 1)
//println('bef easy()')
res := C.curl_easy_perform(curl)
//println('after easy()')
# if (res != CURLE_OK )
{
err := C.curl_easy_strerror(res)
println('curl_easy_perform() failed: $err')
}
body := chunk.strings.join('')// string(chunk.memory)
// chunk.strings.free()
// resp.headers = hchunk.strings
if hchunk.strings.len == 0 {
return Response{}
}
first_header := hchunk.strings.first()
mut status_code := 0
if first_header.contains('HTTP/') {
val := first_header.find_between(' ', ' ')
status_code = val.int()
}
// Build resp headers map
// println('building resp headers hchunk.strings.len')
for h in hchunk.strings {
// break
// println(h)
vals := h.split(':')
pos := h.index(':')
if pos == -1 {
continue
}
if h.contains('Content-Type') {
continue
}
key := h.left(pos)
val := h.right(pos + 1)
// println('"$key" *** "$val"')
// val2 := val.trim_space()
// println('val2="$val2"')
headers[key] = val// val.trim_space()
}
// println('done')
// j.println(resp.status_code)
// println('body=')
// j.println(resp.body)
// j.println('headers=')
// j.println(hchunk.strings)
C.curl_easy_cleanup(curl)
//println('end of req.do() url="$req.url"')
return Response {
body: body
}
}
fn unescape(s string) string {
return string(byteptr(C.curl_unescape(s.cstr(), s.len)))
}
fn escape(s string) string {
return string(byteptr(C.curl_escape(s.cstr(), s.len)))
}
// ////////////////
fn (req &Request) do2() Response {
mut resp := Response{}
return resp
}