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diff --git a/v_windows/v/old/vlib/vweb/vweb.v b/v_windows/v/old/vlib/vweb/vweb.v
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+// 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 time
+
+pub const (
+ methods_with_form = [http.Method.post, .put, .patch]
+ headers_close = http.new_custom_header_from_map(map{
+ 'Server': 'VWeb'
+ http.CommonHeader.connection.str(): 'close'
+ }) or { panic('should never fail') }
+
+ http_400 = http.new_response(
+ status: .bad_request
+ text: '400 Bad Request'
+ header: http.new_header(
+ key: .content_type
+ value: 'text/plain'
+ ).join(headers_close)
+ )
+ http_404 = http.new_response(
+ status: .not_found
+ text: '404 Not Found'
+ header: http.new_header(
+ key: .content_type
+ value: 'text/plain'
+ ).join(headers_close)
+ )
+ http_500 = http.new_response(
+ status: .internal_server_error
+ text: '500 Internal Server Error'
+ header: http.new_header(
+ key: .content_type
+ value: 'text/plain'
+ ).join(headers_close)
+ )
+ mime_types = map{
+ '.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'
+ '.ico': 'img/x-icon'
+ }
+ 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
+ header http.Header // response headers
+ done bool
+ page_gen_start i64
+ form_error string
+}
+
+struct FileData {
+pub:
+ filename string
+ content_type string
+ data string
+}
+
+struct UnexpectedExtraAttributeError {
+ msg string
+ code int
+}
+
+struct MultiplePathAttributesError {
+ msg string = 'Expected at most one path attribute'
+ code int
+}
+
+// declaring init_server in your App struct is optional
+pub fn (ctx Context) init_server() {}
+
+// declaring before_request in your App struct is optional
+pub fn (ctx Context) before_request() {}
+
+pub struct Cookie {
+ name string
+ value string
+ expires time.Time
+ secure bool
+ http_only bool
+}
+
+[noinit]
+pub struct Result {
+}
+
+// vweb intern function
+[manualfree]
+pub fn (mut ctx Context) send_response_to_client(mimetype string, res string) bool {
+ if ctx.done {
+ return false
+ }
+ ctx.done = true
+
+ // build header
+ header := http.new_header_from_map(map{
+ http.CommonHeader.content_type: mimetype
+ http.CommonHeader.content_length: res.len.str()
+ }).join(ctx.header)
+
+ mut resp := http.Response{
+ header: header.join(vweb.headers_close)
+ text: res
+ }
+ resp.set_version(.v1_1)
+ resp.set_status(http.status_from_int(ctx.status.int()))
+ send_string(mut ctx.conn, resp.bytestr()) or { return false }
+ return true
+}
+
+// Response HTTP_OK with s as payload with content-type `text/html`
+pub fn (mut ctx Context) html(s string) Result {
+ ctx.send_response_to_client('text/html', s)
+ return Result{}
+}
+
+// Response HTTP_OK with s as payload with content-type `text/plain`
+pub fn (mut ctx Context) text(s string) Result {
+ ctx.send_response_to_client('text/plain', s)
+ return Result{}
+}
+
+// Response HTTP_OK with s as payload with content-type `application/json`
+pub fn (mut ctx Context) json(s string) Result {
+ ctx.send_response_to_client('application/json', s)
+ return Result{}
+}
+
+// Response HTTP_OK with s as payload
+pub fn (mut ctx Context) ok(s string) Result {
+ ctx.send_response_to_client(ctx.content_type, s)
+ return Result{}
+}
+
+// Response a server error
+pub fn (mut ctx Context) server_error(ecode int) Result {
+ $if debug {
+ eprintln('> ctx.server_error ecode: $ecode')
+ }
+ if ctx.done {
+ return Result{}
+ }
+ send_string(mut ctx.conn, vweb.http_500.bytestr()) or {}
+ return Result{}
+}
+
+// Redirect to an url
+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.header\r\n$vweb.headers_close\r\n') or {
+ return Result{}
+ }
+ return Result{}
+}
+
+// Send an not_found response
+pub fn (mut ctx Context) not_found() Result {
+ if ctx.done {
+ return Result{}
+ }
+ ctx.done = true
+ send_string(mut ctx.conn, vweb.http_404.bytestr()) or {}
+ return Result{}
+}
+
+// Sets a cookie
+pub fn (mut ctx Context) set_cookie(cookie Cookie) {
+ mut cookie_data := []string{}
+ mut secure := if cookie.secure { 'Secure;' } else { '' }
+ secure += if cookie.http_only { ' HttpOnly' } else { ' ' }
+ cookie_data << secure
+ if cookie.expires.unix > 0 {
+ cookie_data << 'expires=$cookie.expires.utc_string()'
+ }
+ data := cookie_data.join(' ')
+ ctx.add_header('Set-Cookie', '$cookie.name=$cookie.value; $data')
+}
+
+// Sets the response content type
+pub fn (mut ctx Context) set_content_type(typ string) {
+ ctx.content_type = typ
+}
+
+// Sets a cookie with a `expire_data`
+pub fn (mut ctx Context) set_cookie_with_expire_date(key string, val string, expire_date time.Time) {
+ ctx.add_header('Set-Cookie', '$key=$val; Secure; HttpOnly; expires=$expire_date.utc_string()')
+}
+
+// Gets a cookie by a key
+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.header)
+ cookie := if cookie_header.contains(';') {
+ cookie_header.find_between(' $key=', ';')
+ } else {
+ cookie_header.find_between(' $key=', '\r')
+ }
+ if cookie != '' {
+ return cookie.trim_space()
+ }
+ return error('Cookie not found')
+}
+
+// Sets the response status
+pub fn (mut ctx Context) set_status(code int, desc string) {
+ if code < 100 || code > 599 {
+ ctx.status = '500 Internal Server Error'
+ } else {
+ ctx.status = '$code $desc'
+ }
+}
+
+// Adds an header to the response with key and val
+pub fn (mut ctx Context) add_header(key string, val string) {
+ ctx.header.add_custom(key, val) or {}
+}
+
+// Returns the header data from the key
+pub fn (ctx &Context) get_header(key string) string {
+ return ctx.req.header.get_custom(key) or { '' }
+}
+
+/*
+pub fn run<T>(port int) {
+ mut x := &T{}
+ run_app(mut x, port)
+}
+*/
+
+interface DbInterface {
+ db voidptr
+}
+
+// run_app
+[manualfree]
+pub fn run<T>(global_app &T, port int) {
+ // x := global_app.clone()
+ // mut global_app := &T{}
+ // mut app := &T{}
+ // run_app<T>(mut app, port)
+
+ mut l := net.listen_tcp(.ip6, ':$port') or { panic('failed to listen $err.code $err') }
+
+ println('[Vweb] Running app on http://localhost:$port')
+ // app.Context = Context{
+ // conn: 0
+ //}
+ // app.init_server()
+ // global_app.init_server()
+ //$for method in T.methods {
+ //$if method.return_type is Result {
+ // check routes for validity
+ //}
+ //}
+ for {
+ // Create a new app object for each connection, copy global data like db connections
+ mut request_app := &T{}
+ $if T is DbInterface {
+ request_app.db = global_app.db
+ } $else {
+ // println('vweb no db')
+ }
+ $for field in T.fields {
+ if field.is_shared {
+ request_app.$(field.name) = global_app.$(field.name)
+ }
+ }
+ request_app.Context = global_app.Context // copy the context ref that contains static files map etc
+ // request_app.Context = Context{
+ // conn: 0
+ //}
+ mut conn := l.accept() or {
+ // failures should not panic
+ eprintln('accept() failed with error: $err.msg')
+ continue
+ }
+ go handle_conn<T>(mut conn, mut request_app)
+ }
+}
+
+[manualfree]
+fn handle_conn<T>(mut conn net.TcpConn, mut app T) {
+ conn.set_read_timeout(30 * time.second)
+ conn.set_write_timeout(30 * time.second)
+ defer {
+ conn.close() or {}
+ unsafe {
+ free(app)
+ }
+ }
+ mut reader := io.new_buffered_reader(reader: conn)
+ defer {
+ reader.free()
+ }
+ page_gen_start := time.ticks()
+ req := parse_request(mut reader) or {
+ // Prevents errors from being thrown when BufferedReader is empty
+ if '$err' != 'none' {
+ eprintln('error parsing request: $err')
+ }
+ return
+ }
+ 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 {
+ ct := req.header.get(.content_type) or { '' }.split(';').map(it.trim_left(' \t'))
+ if 'multipart/form-data' in ct {
+ boundary := ct.filter(it.starts_with('boundary='))
+ if boundary.len != 1 {
+ send_string(mut conn, vweb.http_400.bytestr()) or {}
+ return
+ }
+ form, files := parse_multipart_form(req.data, boundary[0][9..])
+ for k, v in form {
+ app.form[k] = v
+ }
+ for k, v in files {
+ app.files[k] = v
+ }
+ } else {
+ form := parse_form(req.data)
+ for k, v in form {
+ app.form[k] = v
+ }
+ }
+ }
+ // Serve a static file if it is one
+ // TODO: get the real path
+ url := urllib.parse(app.req.url) or {
+ eprintln('error parsing path: $err')
+ return
+ }
+ if serve_if_static<T>(mut app, url) {
+ // successfully served a static file
+ return
+ }
+
+ app.before_request()
+ // Call the right action
+ $if debug {
+ println('route matching...')
+ }
+ url_words := url.path.split('/').filter(it != '')
+ // copy query args to app.query
+ for k, v in url.query().data {
+ app.query[k] = v.data[0]
+ }
+
+ $for method in T.methods {
+ $if method.return_type is Result {
+ mut method_args := []string{}
+ // TODO: move to server start
+ http_methods, route_path := parse_attrs(method.name, method.attrs) or {
+ eprintln('error parsing method attributes: $err')
+ return
+ }
+
+ // Used for route matching
+ route_words := route_path.split('/').filter(it != '')
+
+ // Skip if the HTTP request method does not match the attributes
+ if app.req.method in http_methods {
+ // Route immediate matches first
+ // For example URL `/register` matches route `/:user`, but `fn register()`
+ // should be called first.
+ if !route_path.contains('/:') && url_words == route_words {
+ // We found a match
+ app.$method()
+ return
+ }
+
+ if url_words.len == 0 && route_words == ['index'] && method.name == 'index' {
+ app.$method()
+ return
+ }
+
+ if params := route_matches(url_words, route_words) {
+ method_args = params.clone()
+ if method_args.len != method.args.len {
+ eprintln('warning: uneven parameters count ($method.args.len) in `$method.name`, compared to the vweb route `$method.attrs` ($method_args.len)')
+ }
+ app.$method(method_args)
+ return
+ }
+ }
+ }
+ }
+ // site not found
+ send_string(mut conn, vweb.http_404.bytestr()) or {}
+}
+
+fn route_matches(url_words []string, route_words []string) ?[]string {
+ // URL path should be at least as long as the route path
+ if url_words.len < route_words.len {
+ return none
+ }
+
+ mut params := []string{cap: url_words.len}
+ if url_words.len == route_words.len {
+ for i in 0 .. url_words.len {
+ if route_words[i].starts_with(':') {
+ // We found a path paramater
+ params << url_words[i]
+ } else if route_words[i] != url_words[i] {
+ // This url does not match the route
+ return none
+ }
+ }
+ return params
+ }
+
+ // The last route can end with ... indicating an array
+ if route_words.len == 0 || !route_words[route_words.len - 1].ends_with('...') {
+ return none
+ }
+
+ for i in 0 .. route_words.len - 1 {
+ if route_words[i].starts_with(':') {
+ // We found a path paramater
+ params << url_words[i]
+ } else if route_words[i] != url_words[i] {
+ // This url does not match the route
+ return none
+ }
+ }
+ params << url_words[route_words.len - 1..url_words.len].join('/')
+ return params
+}
+
+// parse function attribute list for methods and a path
+fn parse_attrs(name string, attrs []string) ?([]http.Method, string) {
+ if attrs.len == 0 {
+ return [http.Method.get], '/$name'
+ }
+
+ mut x := attrs.clone()
+ mut methods := []http.Method{}
+ mut path := ''
+
+ for i := 0; i < x.len; {
+ attr := x[i]
+ attru := attr.to_upper()
+ m := http.method_from_str(attru)
+ if attru == 'GET' || m != .get {
+ methods << m
+ x.delete(i)
+ continue
+ }
+ if attr.starts_with('/') {
+ if path != '' {
+ return IError(&MultiplePathAttributesError{})
+ }
+ path = attr
+ x.delete(i)
+ continue
+ }
+ i++
+ }
+ if x.len > 0 {
+ return IError(&UnexpectedExtraAttributeError{
+ msg: 'Encountered unexpected extra attributes: $x'
+ })
+ }
+ if methods.len == 0 {
+ methods = [http.Method.get]
+ }
+ if path == '' {
+ path = '/$name'
+ }
+ // Make path lowercase for case-insensitive comparisons
+ return methods, path.to_lower()
+}
+
+// check if request is for a static file and serves it
+// returns true if we served a static file, false otherwise
+[manualfree]
+fn serve_if_static<T>(mut app T, url urllib.URL) bool {
+ // TODO: handle url parameters properly - for now, ignore them
+ static_file := app.static_files[url.path]
+ mime_type := app.static_mime_types[url.path]
+ if static_file == '' || mime_type == '' {
+ return false
+ }
+ data := os.read_file(static_file) or {
+ send_string(mut app.conn, vweb.http_404.bytestr()) or {}
+ return true
+ }
+ app.send_response_to_client(mime_type, data)
+ unsafe { data.free() }
+ return true
+}
+
+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 := os.join_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)
+ }
+ }
+ }
+ }
+}
+
+// Handles a directory static
+// If `root` is set the mount path for the dir will be in '/'
+pub fn (mut ctx Context) handle_static(directory_path string, root bool) 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) && !root {
+ // Mount point hygene, "./assets" => "/assets".
+ mount_path = '/' + dir_path.trim_left('.').trim('/')
+ }
+ ctx.scan_static_directory(dir_path, mount_path)
+ return true
+}
+
+// mount_static_folder_at - makes all static files in `directory_path` and inside it, available at http://server/mount_path
+// For example: suppose you have called .mount_static_folder_at('/var/share/myassets', '/assets'),
+// and you have a file /var/share/myassets/main.css .
+// => That file will be available at URL: http://server/assets/main.css .
+pub fn (mut ctx Context) mount_static_folder_at(directory_path string, mount_path string) bool {
+ if ctx.done || mount_path.len < 1 || mount_path[0] != `/` || !os.exists(directory_path) {
+ return false
+ }
+ dir_path := directory_path.trim_right('/')
+ ctx.scan_static_directory(dir_path, mount_path[1..])
+ return true
+}
+
+// Serves a file static
+// `url` is the access path on the site, `file_path` is the real path to the file, `mime_type` is the file type
+pub fn (mut ctx Context) serve_static(url string, file_path string) {
+ ctx.static_files[url] = file_path
+ // ctx.static_mime_types[url] = mime_type
+ ext := os.file_ext(file_path)
+ ctx.static_mime_types[url] = vweb.mime_types[ext]
+}
+
+// Returns the ip address from the current user
+pub fn (ctx &Context) ip() string {
+ mut ip := ctx.req.header.get(.x_forwarded_for) or { '' }
+ if ip == '' {
+ ip = ctx.req.header.get_custom('X-Real-Ip') or { '' }
+ }
+
+ if ip.contains(',') {
+ ip = ip.all_before(',')
+ }
+ if ip == '' {
+ ip = ctx.conn.peer_ip() or { '' }
+ }
+ return ip
+}
+
+// Set s to the form error
+pub fn (mut ctx Context) error(s string) {
+ println('vweb error: $s')
+ ctx.form_error = s
+}
+
+// Returns an empty result
+pub fn not_found() Result {
+ return Result{}
+}
+
+fn filter(s string) string {
+ return s.replace_each([
+ '<',
+ '&lt;',
+ '"',
+ '&quot;',
+ '&',
+ '&amp;',
+ ])
+}
+
+// A type which don't get filtered inside templates
+pub type RawHtml = string
+
+fn send_string(mut conn net.TcpConn, s string) ? {
+ conn.write(s.bytes()) ?
+}