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x.websocket: more informative errors

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This commit is contained in:
Delyan Angelov 2020-11-06 16:10:05 +02:00
parent 2258ab17a4
commit 98e8894d90
1 changed files with 8 additions and 8 deletions
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16
vlib/x/websocket/handshake.v
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@ -49,13 +49,13 @@ fn (mut s Server) parse_client_handshake(client_handshake string, mut c Client)
lines := client_handshake.split_into_lines()
get_tokens := lines[0].split(' ')
if get_tokens.len < 3 {
return error('unexpected get operation, $get_tokens')
return error_with_code('unexpected get operation, $get_tokens', 1)
}
if get_tokens[0].trim_space() != 'GET' {
return error("unexpected request '${get_tokens[0]}', expected 'GET'")
return error_with_code("unexpected request '${get_tokens[0]}', expected 'GET'", 2)
}
if get_tokens[2].trim_space() != 'HTTP/1.1' {
return error("unexpected request $get_tokens, expected 'HTTP/1.1'")
return error_with_code("unexpected request $get_tokens, expected 'HTTP/1.1'", 3)
}
// path := get_tokens[1].trim_space()
mut seckey := ''
@ -87,7 +87,7 @@ fn (mut s Server) parse_client_handshake(client_handshake string, mut c Client)
unsafe {keys.free()}
}
if flags.len < 3 {
return error('invalid client handshake, $client_handshake')
return error_with_code('invalid client handshake, $client_handshake', 4)
}
server_handshake := 'HTTP/1.1 101 Switching Protocols\r\nUpgrade: websocket\r\nConnection: Upgrade\r\nSec-WebSocket-Accept: $seckey\r\n\r\n'
server_client := &ServerClient{
@ -113,7 +113,7 @@ fn (mut ws Client) read_handshake_str() ?string {
for total_bytes_read < 1024 {
bytes_read := ws.socket_read_into_ptr(byteptr(&buffer), 1) ?
if bytes_read == 0 {
return error('unexpected no response from handshake')
return error_with_code('unexpected no response from handshake', 5)
}
msg[total_bytes_read] = buffer[0]
total_bytes_read++
@ -138,7 +138,7 @@ fn (mut ws Client) check_handshake_response(handshake_response string, seckey st
lines := handshake_response.split_into_lines()
header := lines[0]
if !header.starts_with('HTTP/1.1 101') && !header.starts_with('HTTP/1.0 101') {
return error('handshake_handler: invalid HTTP status response code')
return error_with_code('handshake_handler: invalid HTTP status response code, $header', 6)
}
for i in 1 .. lines.len {
if lines[i].len <= 0 || lines[i] == '\r\n' {
@ -157,7 +157,7 @@ fn (mut ws Client) check_handshake_response(handshake_response string, seckey st
challenge := create_key_challenge_response(seckey) ?
ws.debug_log('challenge: $challenge, response: ${keys[1]}')
if keys[1].trim_space() != challenge {
return error('handshake_handler: Sec-WebSocket-Accept header does not match computed sha1/base64 response.')
return error_with_code('handshake_handler: Sec-WebSocket-Accept header does not match computed sha1/base64 response.', 7)
}
ws.flags << .has_accept
unsafe {challenge.free()}
@ -169,6 +169,6 @@ fn (mut ws Client) check_handshake_response(handshake_response string, seckey st
unsafe {lines.free()}
if ws.flags.len < 3 {
ws.close(1002, 'invalid websocket HTTP headers') ?
return error('invalid websocket HTTP headers')
return error_with_code('invalid websocket HTTP headers', 8)
}
}