786 lines
20 KiB
V
786 lines
20 KiB
V
// Copyright (c) 2019-2021 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 vweb
|
|
|
|
import os
|
|
import io
|
|
import net
|
|
import net.http
|
|
import net.urllib
|
|
import strings
|
|
import time
|
|
|
|
pub const (
|
|
methods_with_form = [http.Method.post, .put, .patch]
|
|
methods_without_first = ['ost', 'ut', 'et', 'atch', 'ptions', 'elete', 'ead'] // needed for method checking as method parameter
|
|
header_server = 'Server: VWeb\r\n'
|
|
header_connection_close = 'Connection: close\r\n'
|
|
headers_close = '$header_server$header_connection_close\r\n'
|
|
http_404 = 'HTTP/1.1 404 Not Found\r\nContent-Type: text/plain\r\nContent-Length: 13\r\n${headers_close}404 Not Found'
|
|
http_500 = 'HTTP/1.1 500 Internal Server Error\r\nContent-Type: text/plain\r\n${headers_close}500 Internal Server Error'
|
|
mime_types = {
|
|
'.css': 'text/css; charset=utf-8'
|
|
'.gif': 'image/gif'
|
|
'.htm': 'text/html; charset=utf-8'
|
|
'.html': 'text/html; charset=utf-8'
|
|
'.jpg': 'image/jpeg'
|
|
'.js': 'application/javascript'
|
|
'.json': 'application/json'
|
|
'.md': 'text/markdown; charset=utf-8'
|
|
'.pdf': 'application/pdf'
|
|
'.png': 'image/png'
|
|
'.svg': 'image/svg+xml'
|
|
'.txt': 'text/plain; charset=utf-8'
|
|
'.wasm': 'application/wasm'
|
|
'.xml': 'text/xml; charset=utf-8'
|
|
}
|
|
max_http_post_size = 1024 * 1024
|
|
default_port = 8080
|
|
)
|
|
|
|
pub struct Context {
|
|
mut:
|
|
content_type string = 'text/plain'
|
|
status string = '200 OK'
|
|
pub:
|
|
req http.Request
|
|
// TODO Response
|
|
pub mut:
|
|
conn &net.TcpConn
|
|
static_files map[string]string
|
|
static_mime_types map[string]string
|
|
form map[string]string
|
|
query map[string]string
|
|
files map[string][]FileData
|
|
headers string // response headers
|
|
done bool
|
|
page_gen_start i64
|
|
form_error string
|
|
chunked_transfer bool
|
|
max_chunk_len int = 20
|
|
}
|
|
|
|
struct FileData {
|
|
pub:
|
|
filename string
|
|
content_type string
|
|
data string
|
|
}
|
|
|
|
// declaring init_once in your App struct is optional
|
|
pub fn (ctx Context) init_once() {}
|
|
|
|
// declaring init in your App struct is optional
|
|
pub fn (ctx Context) init() {}
|
|
|
|
// declaring uninit in your App struct is optional
|
|
pub fn (ctx Context) uninit() {}
|
|
|
|
pub struct Cookie {
|
|
name string
|
|
value string
|
|
expires time.Time
|
|
secure bool
|
|
http_only bool
|
|
}
|
|
|
|
[noinit]
|
|
pub struct Result {
|
|
}
|
|
|
|
pub fn (mut ctx Context) send_response_to_client(mimetype string, res string) bool {
|
|
if ctx.done {
|
|
return false
|
|
}
|
|
ctx.done = true
|
|
mut sb := strings.new_builder(1024)
|
|
defer {
|
|
sb.free()
|
|
}
|
|
sb.write('HTTP/1.1 $ctx.status')
|
|
sb.write('\r\nContent-Type: $mimetype')
|
|
sb.write('\r\nContent-Length: $res.len')
|
|
if ctx.chunked_transfer {
|
|
sb.write('\r\nTransfer-Encoding: chunked')
|
|
}
|
|
sb.write(ctx.headers)
|
|
sb.write('\r\n')
|
|
sb.write(vweb.headers_close)
|
|
if ctx.chunked_transfer {
|
|
mut i := 0
|
|
mut len := res.len
|
|
for {
|
|
if len <= 0 {
|
|
break
|
|
}
|
|
mut chunk := ''
|
|
if len > ctx.max_chunk_len {
|
|
chunk = res[i..i + ctx.max_chunk_len]
|
|
i += ctx.max_chunk_len
|
|
len -= ctx.max_chunk_len
|
|
} else {
|
|
chunk = res[i..]
|
|
len = 0
|
|
}
|
|
sb.write(chunk.len.hex())
|
|
sb.write('\r\n$chunk\r\n')
|
|
}
|
|
sb.write('0\r\n\r\n') // End of chunks
|
|
} else {
|
|
sb.write(res)
|
|
}
|
|
s := sb.str()
|
|
defer {
|
|
s.free()
|
|
}
|
|
send_string(mut ctx.conn, s) or { return false }
|
|
return true
|
|
}
|
|
|
|
pub fn (mut ctx Context) html(s string) Result {
|
|
ctx.send_response_to_client('text/html', s)
|
|
return Result{}
|
|
}
|
|
|
|
pub fn (mut ctx Context) text(s string) Result {
|
|
ctx.send_response_to_client('text/plain', s)
|
|
return Result{}
|
|
}
|
|
|
|
pub fn (mut ctx Context) json(s string) Result {
|
|
ctx.send_response_to_client('application/json', s)
|
|
return Result{}
|
|
}
|
|
|
|
pub fn (mut ctx Context) ok(s string) Result {
|
|
ctx.send_response_to_client(ctx.content_type, s)
|
|
return Result{}
|
|
}
|
|
|
|
pub fn (mut ctx Context) redirect(url string) Result {
|
|
if ctx.done {
|
|
return Result{}
|
|
}
|
|
ctx.done = true
|
|
send_string(mut ctx.conn, 'HTTP/1.1 302 Found\r\nLocation: $url$ctx.headers\r\n$vweb.headers_close') or {
|
|
return Result{}
|
|
}
|
|
return Result{}
|
|
}
|
|
|
|
pub fn (mut ctx Context) not_found() Result {
|
|
if ctx.done {
|
|
return Result{}
|
|
}
|
|
ctx.done = true
|
|
send_string(mut ctx.conn, vweb.http_404) or { }
|
|
return Result{}
|
|
}
|
|
|
|
pub fn (mut ctx Context) enable_chunked_transfer(max_chunk_len int) {
|
|
ctx.chunked_transfer = true
|
|
ctx.max_chunk_len = max_chunk_len
|
|
}
|
|
|
|
pub fn (mut ctx Context) set_cookie(cookie Cookie) {
|
|
mut cookie_data := []string{}
|
|
mut secure := if cookie.secure { 'Secure;' } else { '' }
|
|
secure += if cookie.http_only { ' HttpOnly' } else { ' ' }
|
|
cookie_data << secure
|
|
if cookie.expires.unix > 0 {
|
|
cookie_data << 'expires=$cookie.expires.utc_string()'
|
|
}
|
|
data := cookie_data.join(' ')
|
|
ctx.add_header('Set-Cookie', '$cookie.name=$cookie.value; $data')
|
|
}
|
|
|
|
pub fn (mut ctx Context) set_cookie_old(key string, val string) {
|
|
// TODO support directives, escape cookie value (https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Set-Cookie)
|
|
// ctx.add_header('Set-Cookie', '${key}=${val}; Secure; HttpOnly')
|
|
ctx.add_header('Set-Cookie', '$key=$val; HttpOnly')
|
|
}
|
|
|
|
pub fn (mut ctx Context) set_content_type(typ string) {
|
|
ctx.content_type = typ
|
|
}
|
|
|
|
pub fn (mut ctx Context) set_cookie_with_expire_date(key string, val string, expire_date time.Time) {
|
|
ctx.add_header('Set-Cookie', '$key=$val; Secure; HttpOnly; expires=$expire_date.utc_string()')
|
|
}
|
|
|
|
pub fn (ctx &Context) get_cookie(key string) ?string { // TODO refactor
|
|
mut cookie_header := ctx.get_header('cookie')
|
|
if cookie_header == '' {
|
|
cookie_header = ctx.get_header('Cookie')
|
|
}
|
|
cookie_header = ' ' + cookie_header
|
|
// println('cookie_header="$cookie_header"')
|
|
// println(ctx.req.headers)
|
|
cookie := if cookie_header.contains(';') { cookie_header.find_between(' $key=', ';') } else { cookie_header.find_between(' $key=',
|
|
'\r') }
|
|
if cookie != '' {
|
|
return cookie.trim_space()
|
|
}
|
|
return error('Cookie not found')
|
|
}
|
|
|
|
pub fn (mut ctx Context) set_status(code int, desc string) {
|
|
if code < 100 || code > 599 {
|
|
ctx.status = '500 Internal Server Error'
|
|
} else {
|
|
ctx.status = '$code $desc'
|
|
}
|
|
}
|
|
|
|
pub fn (mut ctx Context) add_header(key string, val string) {
|
|
// println('add_header($key, $val)')
|
|
ctx.headers = ctx.headers + '\r\n$key: $val'
|
|
// println(ctx.headers)
|
|
}
|
|
|
|
pub fn (ctx &Context) get_header(key string) string {
|
|
return ctx.req.headers[key]
|
|
}
|
|
|
|
// fn handle_conn(conn net.Socket) {
|
|
// println('handle')
|
|
// }
|
|
pub fn run<T>(port int) {
|
|
mut app := T{}
|
|
run_app<T>(mut app, port)
|
|
}
|
|
|
|
pub fn run_app<T>(mut app T, port int) {
|
|
println('Running a Vweb app on http://localhost:$port')
|
|
mut l := net.listen_tcp(port) or { panic('failed to listen') }
|
|
app.Context = Context{
|
|
conn: 0
|
|
}
|
|
app.init_once()
|
|
$for method in T.methods {
|
|
$if method.return_type is Result {
|
|
// check routes for validity
|
|
}
|
|
}
|
|
// app.reset()
|
|
for {
|
|
mut conn := l.accept() or { panic('accept() failed') }
|
|
go handle_conn<T>(mut conn, mut app)
|
|
// app.vweb.page_gen_time = time.ticks() - t
|
|
// eprintln('handle conn() took ${time.ticks()-t}ms')
|
|
// message := readall(conn)
|
|
// println(message)
|
|
/*
|
|
if message.len > max_http_post_size {
|
|
println('message.len = $message.len > max_http_post_size')
|
|
conn.send_string(http_500) or {}
|
|
conn.close() or {}
|
|
continue
|
|
}
|
|
*/
|
|
// lines := message.split_into_lines()
|
|
// println(lines)
|
|
/*
|
|
if lines.len < 2 {
|
|
conn.send_string(http_500) or {}
|
|
conn.close() or {}
|
|
continue
|
|
}
|
|
*/
|
|
}
|
|
}
|
|
|
|
fn handle_conn<T>(mut conn net.TcpConn, mut app T) {
|
|
conn.set_read_timeout(30 * time.second)
|
|
conn.set_write_timeout(30 * time.second)
|
|
defer {
|
|
conn.close() or { }
|
|
}
|
|
// fn handle_conn<T>(conn net.Socket, app_ T) T {
|
|
// mut app := app_
|
|
// first_line := strip(lines[0])
|
|
mut reader := io.new_buffered_reader(reader: io.make_reader(conn))
|
|
page_gen_start := time.ticks()
|
|
first_line := reader.read_line() or {
|
|
$if debug {
|
|
eprintln('Failed first_line') // show this only in debug mode, because it always would be shown after a chromium user visits the site
|
|
}
|
|
return
|
|
}
|
|
$if debug {
|
|
eprintln('firstline="$first_line"')
|
|
}
|
|
// Parse the first line
|
|
// "GET / HTTP/1.1"
|
|
// first_line := s.all_before('\n')
|
|
vals := first_line.split(' ')
|
|
if vals.len < 2 {
|
|
println('no vals for http')
|
|
send_string(mut conn, vweb.http_500) or { }
|
|
return
|
|
}
|
|
mut headers := []string{}
|
|
mut body := ''
|
|
mut in_headers := true
|
|
mut len := 0
|
|
// File receive stuff
|
|
mut ct := 'text/plain'
|
|
mut boundary := ''
|
|
// for line in lines[1..] {
|
|
for lindex in 0 .. 100 {
|
|
// println(j)
|
|
line := reader.read_line() or {
|
|
println('Failed read_line $lindex')
|
|
break
|
|
}
|
|
sline := strip(line)
|
|
// Parse content type
|
|
if sline.len >= 14 && sline[..14].to_lower() == 'content-type: ' {
|
|
args := sline[14..].split('; ')
|
|
ct = args[0]
|
|
if args.len > 1 {
|
|
boundary = args[1][9..]
|
|
}
|
|
}
|
|
if sline == '' {
|
|
// if in_headers {
|
|
// End of headers, no body => exit
|
|
if len == 0 {
|
|
break
|
|
}
|
|
//} //else {
|
|
// End of body
|
|
// break
|
|
//}
|
|
// read body
|
|
mut read_body := []byte{len: len}
|
|
// read just the amount of content len if there is no content there is nothing more to read here
|
|
reader.read(mut read_body) or { println('reader.read failed with err: $err') }
|
|
body += read_body.bytestr()
|
|
break
|
|
}
|
|
if ct == 'multipart/form-data' && sline == boundary {
|
|
body += boundary
|
|
read_body := io.read_all(reader: reader) or { []byte{} }
|
|
body += read_body.bytestr()
|
|
break
|
|
}
|
|
if in_headers {
|
|
headers << sline
|
|
if sline.to_lower().starts_with('content-length') {
|
|
len = sline.all_after(': ').int()
|
|
// println('GOT CL=$len')
|
|
}
|
|
}
|
|
}
|
|
req := http.Request{
|
|
headers: http.parse_headers(headers) // s.split_into_lines())
|
|
data: strip(body)
|
|
ws_func: 0
|
|
user_ptr: 0
|
|
method: http.method_from_str(vals[0])
|
|
url: vals[1]
|
|
}
|
|
$if debug {
|
|
println('req.headers = ')
|
|
println(req.headers)
|
|
println('req.data="$req.data"')
|
|
// println('vweb action = "$action"')
|
|
}
|
|
// mut app := T{
|
|
app.Context = Context{
|
|
req: req
|
|
conn: conn
|
|
form: map[string]string{}
|
|
static_files: app.static_files
|
|
static_mime_types: app.static_mime_types
|
|
page_gen_start: page_gen_start
|
|
}
|
|
// }
|
|
if req.method in vweb.methods_with_form {
|
|
if ct == 'multipart/form-data' {
|
|
app.parse_multipart_form(body, boundary)
|
|
} else {
|
|
app.parse_form(req.data)
|
|
}
|
|
}
|
|
if vals.len < 2 {
|
|
$if debug {
|
|
println('no vals for http')
|
|
}
|
|
return
|
|
}
|
|
// Serve a static file if it is one
|
|
// TODO: handle url parameters properly - for now, ignore them
|
|
mut static_file_name := app.req.url
|
|
if static_file_name.contains('?') {
|
|
static_file_name = static_file_name.all_before('?')
|
|
}
|
|
static_file := app.static_files[static_file_name]
|
|
mime_type := app.static_mime_types[static_file_name]
|
|
if static_file != '' && mime_type != '' {
|
|
data := os.read_file(static_file) or {
|
|
send_string(mut conn, vweb.http_404) or { }
|
|
return
|
|
}
|
|
app.send_response_to_client(mime_type, data)
|
|
data.free()
|
|
return
|
|
}
|
|
app.init()
|
|
// Call the right action
|
|
$if debug {
|
|
println('route matching...')
|
|
}
|
|
// t := time.ticks()
|
|
// mut action := ''
|
|
mut route_words_a := [][]string{}
|
|
// mut url_words := vals[1][1..].split('/').filter(it != '')
|
|
x := vals[1][1..].split('/')
|
|
mut url_words := x.filter(it != '')
|
|
// Parse URL query
|
|
if url_words.len > 0 && url_words.last().contains('?') {
|
|
words := url_words.last().after('?').split('&')
|
|
tmp_query := words.map(it.split('='))
|
|
url_words[url_words.len - 1] = url_words.last().all_before('?')
|
|
for data in tmp_query {
|
|
if data.len == 2 {
|
|
app.query[data[0]] = data[1]
|
|
}
|
|
}
|
|
}
|
|
mut vars := []string{cap: route_words_a.len}
|
|
mut action := ''
|
|
$for method in T.methods {
|
|
$if method.return_type is Result {
|
|
attrs := method.attrs
|
|
route_words_a = [][]string{}
|
|
// Get methods
|
|
// Get is default
|
|
mut req_method_str := '$req.method'
|
|
if req.method == .post {
|
|
if 'post' in attrs {
|
|
route_words_a = attrs.filter(it.to_lower() != 'post').map(it[1..].split('/'))
|
|
}
|
|
} else if req.method == .put {
|
|
if 'put' in attrs {
|
|
route_words_a = attrs.filter(it.to_lower() != 'put').map(it[1..].split('/'))
|
|
}
|
|
} else if req.method == .patch {
|
|
if 'patch' in attrs {
|
|
route_words_a = attrs.filter(it.to_lower() != 'patch').map(it[1..].split('/'))
|
|
}
|
|
} else if req.method == .delete {
|
|
if 'delete' in attrs {
|
|
route_words_a = attrs.filter(it.to_lower() != 'delete').map(it[1..].split('/'))
|
|
}
|
|
} else if req.method == .head {
|
|
if 'head' in attrs {
|
|
route_words_a = attrs.filter(it.to_lower() != 'head').map(it[1..].split('/'))
|
|
}
|
|
} else if req.method == .options {
|
|
if 'options' in attrs {
|
|
route_words_a = attrs.filter(it.to_lower() != 'options').map(it[1..].split('/'))
|
|
}
|
|
} else {
|
|
route_words_a = attrs.filter(it.to_lower() != 'get').map(it[1..].split('/'))
|
|
}
|
|
if attrs.len == 0 || (attrs.len == 1 && route_words_a.len == 0) {
|
|
if url_words.len > 0 {
|
|
// No routing for this method. If it matches, call it and finish matching
|
|
// since such methods have a priority.
|
|
// For example URL `/register` matches route `/:user`, but `fn register()`
|
|
// should be called first.
|
|
if (req_method_str == '' && url_words[0] == method.name && url_words.len == 1)
|
|
|| (req_method_str == req.method.str() && url_words[0] == method.name
|
|
&& url_words.len == 1) {
|
|
$if debug {
|
|
println('easy match method=$method.name')
|
|
}
|
|
app.$method(vars)
|
|
|
|
return
|
|
}
|
|
} else if method.name == 'index' {
|
|
// handle / to .index()
|
|
$if debug {
|
|
println('route to .index()')
|
|
}
|
|
app.$method(vars)
|
|
|
|
return
|
|
}
|
|
} else {
|
|
mut req_method := []string{}
|
|
if route_words_a.len > 0 {
|
|
for route_words_ in route_words_a {
|
|
// cannot move to line initialize line because of C error with map(it.filter(it != ''))
|
|
route_words := route_words_.filter(it != '')
|
|
if route_words.len == 1 && route_words[0] in vweb.methods_without_first {
|
|
req_method << route_words[0]
|
|
}
|
|
if url_words.len == route_words.len
|
|
|| (url_words.len >= route_words.len - 1 && route_words.len > 0 && route_words.last().ends_with('...')) {
|
|
if req_method.len > 0 {
|
|
if req_method_str.to_lower()[1..] !in req_method {
|
|
continue
|
|
}
|
|
}
|
|
// match `/:user/:repo/tree` to `/vlang/v/tree`
|
|
mut matching := false
|
|
mut unknown := false
|
|
mut variables := []string{cap: route_words.len}
|
|
if route_words.len == 0 && url_words.len == 0 {
|
|
// index route
|
|
matching = true
|
|
}
|
|
for i in 0 .. route_words.len {
|
|
if url_words.len == i {
|
|
variables << ''
|
|
matching = true
|
|
unknown = true
|
|
break
|
|
}
|
|
if url_words[i] == route_words[i] {
|
|
// no parameter
|
|
matching = true
|
|
continue
|
|
} else if route_words[i].starts_with(':') {
|
|
// is parameter
|
|
if i < route_words.len && !route_words[i].ends_with('...') {
|
|
// normal parameter
|
|
variables << url_words[i]
|
|
} else {
|
|
// array parameter only in the end
|
|
variables << url_words[i..].join('/')
|
|
}
|
|
matching = true
|
|
unknown = true
|
|
continue
|
|
} else {
|
|
matching = false
|
|
break
|
|
}
|
|
}
|
|
if matching && !unknown {
|
|
// absolute router words like `/test/site`
|
|
app.$method(vars)
|
|
|
|
return
|
|
} else if matching && unknown {
|
|
// router words with paramter like `/:test/site`
|
|
action = method.name
|
|
vars = variables.clone()
|
|
}
|
|
req_method = []string{}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
if action == '' {
|
|
// site not found
|
|
send_string(mut conn, vweb.http_404) or { }
|
|
return
|
|
}
|
|
$for method in T.methods {
|
|
$if method.return_type is Result {
|
|
// search again for method
|
|
if action == method.name && method.attrs.len > 0 {
|
|
// call action method
|
|
if method.args.len == vars.len {
|
|
app.$method(vars)
|
|
} else {
|
|
eprintln('warning: uneven parameters count ($method.args.len) in `$method.name`, compared to the vweb route `$method.attrs` ($vars.len)')
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
pub fn (mut ctx Context) parse_form(s string) {
|
|
if ctx.req.method !in vweb.methods_with_form {
|
|
return
|
|
}
|
|
// pos := s.index('\r\n\r\n')
|
|
// if pos > -1 {
|
|
mut str_form := s // [pos..s.len]
|
|
str_form = str_form.replace('+', ' ')
|
|
words := str_form.split('&')
|
|
for word in words {
|
|
$if debug {
|
|
println('parse form keyval="$word"')
|
|
}
|
|
keyval := word.trim_space().split('=')
|
|
if keyval.len != 2 {
|
|
continue
|
|
}
|
|
key := urllib.query_unescape(keyval[0]) or { continue }
|
|
val := urllib.query_unescape(keyval[1]) or { continue }
|
|
$if debug {
|
|
println('http form "$key" => "$val"')
|
|
}
|
|
ctx.form[key] = val
|
|
}
|
|
// }
|
|
// todo: parse form-data and application/json
|
|
// ...
|
|
}
|
|
|
|
[manualfree]
|
|
pub fn (mut ctx Context) parse_multipart_form(s string, b string) {
|
|
if ctx.req.method !in vweb.methods_with_form {
|
|
return
|
|
}
|
|
a := s.split('$b')[1..]
|
|
fields := a[..a.len - 1]
|
|
for field in fields {
|
|
lines := field.split_into_lines()[1..]
|
|
mut l := 0
|
|
// Parse name
|
|
disposition_data := lines[l].split('; ')[1..]
|
|
l++
|
|
name := disposition_data[0][6..disposition_data[0].len - 1]
|
|
// Parse files
|
|
if disposition_data.len > 1 {
|
|
filename := disposition_data[1][10..disposition_data[1].len - 1]
|
|
ct := lines[l].split(': ')[1]
|
|
l++
|
|
if name !in ctx.files {
|
|
ctx.files[name] = []FileData{}
|
|
}
|
|
mut sb := strings.new_builder(field.len)
|
|
for i in l + 1 .. lines.len - 1 {
|
|
sb.writeln(lines[i])
|
|
}
|
|
ctx.files[name] << FileData{
|
|
filename: filename
|
|
content_type: ct
|
|
data: sb.str()
|
|
}
|
|
unsafe {
|
|
filename.free()
|
|
ct.free()
|
|
sb.free()
|
|
}
|
|
continue
|
|
}
|
|
mut sb := strings.new_builder(field.len)
|
|
for i in l + 1 .. lines.len - 1 {
|
|
sb.writeln(lines[i])
|
|
}
|
|
ctx.form[name] = sb.str()
|
|
unsafe {
|
|
disposition_data.free()
|
|
name.free()
|
|
sb.free()
|
|
}
|
|
}
|
|
unsafe {
|
|
fields.free()
|
|
s.free()
|
|
b.free()
|
|
a.free()
|
|
}
|
|
}
|
|
|
|
fn (mut ctx Context) scan_static_directory(directory_path string, mount_path string) {
|
|
files := os.ls(directory_path) or { panic(err) }
|
|
if files.len > 0 {
|
|
for file in files {
|
|
full_path := directory_path + '/' + file
|
|
if os.is_dir(full_path) {
|
|
ctx.scan_static_directory(full_path, mount_path + '/' + file)
|
|
} else if file.contains('.') && !file.starts_with('.') && !file.ends_with('.') {
|
|
ext := os.file_ext(file)
|
|
// Rudimentary guard against adding files not in mime_types.
|
|
// Use serve_static directly to add non-standard mime types.
|
|
if ext in vweb.mime_types {
|
|
ctx.serve_static(mount_path + '/' + file, full_path, vweb.mime_types[ext])
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
pub fn (mut ctx Context) handle_static(directory_path string) bool {
|
|
if ctx.done || !os.exists(directory_path) {
|
|
return false
|
|
}
|
|
dir_path := directory_path.trim_space().trim_right('/')
|
|
mut mount_path := ''
|
|
if dir_path != '.' && os.is_dir(dir_path) {
|
|
// Mount point hygene, "./assets" => "/assets".
|
|
mount_path = '/' + dir_path.trim_left('.').trim('/')
|
|
}
|
|
ctx.scan_static_directory(dir_path, mount_path)
|
|
return true
|
|
}
|
|
|
|
pub fn (mut ctx Context) serve_static(url string, file_path string, mime_type string) {
|
|
ctx.static_files[url] = file_path
|
|
ctx.static_mime_types[url] = mime_type
|
|
}
|
|
|
|
pub fn (ctx &Context) ip() string {
|
|
mut ip := ctx.req.headers['X-Forwarded-For']
|
|
if ip == '' {
|
|
ip = ctx.req.headers['X-Real-IP']
|
|
}
|
|
if ip.contains(',') {
|
|
ip = ip.all_before(',')
|
|
}
|
|
if ip == '' {
|
|
ip = ctx.conn.peer_ip() or { '' }
|
|
}
|
|
return ip
|
|
}
|
|
|
|
pub fn (mut ctx Context) error(s string) {
|
|
ctx.form_error = s
|
|
}
|
|
|
|
/*
|
|
fn readall(conn net.Socket) string {
|
|
// read all message from socket
|
|
//printf("waitall=%d\n", C.MSG_WAITALL)
|
|
mut message := ''
|
|
buf := [1024]byte
|
|
for {
|
|
n := C.recv(conn.sockfd, buf, 1024, 0)
|
|
m := conn.crecv(buf, 1024)
|
|
message += unsafe { byteptr(buf).vstring_with_len(m) }
|
|
if message.len > max_http_post_size { break }
|
|
if n == m { break }
|
|
}
|
|
return message
|
|
}
|
|
*/
|
|
fn strip(s string) string {
|
|
// strip('\nabc\r\n') => 'abc'
|
|
return s.trim('\r\n')
|
|
}
|
|
|
|
pub fn not_found() Result {
|
|
return Result{}
|
|
}
|
|
|
|
fn filter(s string) string {
|
|
return s.replace_each([
|
|
'<',
|
|
'<',
|
|
'"',
|
|
'"',
|
|
'&',
|
|
'&',
|
|
])
|
|
}
|
|
|
|
pub type RawHtml = string
|
|
|
|
fn send_string(mut conn net.TcpConn, s string) ? {
|
|
conn.write(s.bytes()) ?
|
|
}
|