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Code Issues Projects Releases Wiki Activity

x.websocket: docs and cleanup (#7078)

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This commit is contained in:
Tomas Hellström
2020-12-02 04:02:53 +01:00
committed by GitHub
parent 953a51bec8
commit 7c394b9d58
10 changed files with 217 additions and 234 deletions
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8
vlib/x/websocket/utils.v
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@@ -4,6 +4,7 @@ import rand
import crypto.sha1
import encoding.base64
// htonl64 converts payload lenght to header bits
fn htonl64(payload_len u64) []byte {
mut ret := []byte{len: 8}
ret[0] = byte(((payload_len & (u64(0xff) << 56)) >> 56) & 0xff)
@@ -17,15 +18,15 @@ fn htonl64(payload_len u64) []byte {
return ret
}
// create_masking_key returs a new masking key byte array
fn create_masking_key() []byte {
mask_bit := byte(rand.intn(255))
buf := []byte{len: 4, init: `0`}
unsafe {
C.memcpy(buf.data, &mask_bit, 4)
}
unsafe {C.memcpy(buf.data, &mask_bit, 4)}
return buf
}
// create_key_challenge_response creates a key challange response from security key
fn create_key_challenge_response(seckey string) ?string {
if seckey.len == 0 {
return error('unexpected seckey lengt zero')
@@ -42,6 +43,7 @@ fn create_key_challenge_response(seckey string) ?string {
return b64
}
// get_nonce, returns a randomized array used in handshake process
fn get_nonce(nonce_size int) string {
mut nonce := []byte{len: nonce_size, cap: nonce_size}
alphanum := '0123456789ABCDEFGHIJKLMNOPQRSTUVXYZabcdefghijklmnopqrstuvwxyz'