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net.http.chunked: return !string on decode (#18928)

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This commit is contained in:
l-m
2023-07-21 13:37:55 +00:00
committed by GitHub
parent 8b4c3fa1d1
commit 36d45c6d14
3 changed files with 24 additions and 4 deletions
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10
vlib/net/http/chunked/dechunk.v
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@@ -46,13 +46,16 @@ fn (mut s ChunkScanner) skip_crlf() {
s.pos += 2
}
fn (mut s ChunkScanner) read_chunk(chunksize u32) string {
fn (mut s ChunkScanner) read_chunk(chunksize u32) !string {
startpos := s.pos
s.pos += int(chunksize)
if s.pos > s.text.len {
return error('invalid chunksize')
}
return s.text[startpos..s.pos]
}
pub fn decode(text string) string {
pub fn decode(text string) !string {
mut sb := strings.new_builder(100)
mut cscanner := ChunkScanner{
pos: 0
@@ -64,7 +67,8 @@ pub fn decode(text string) string {
break
}
cscanner.skip_crlf()
sb.write_string(cscanner.read_chunk(csize))
ch := cscanner.read_chunk(csize)!
sb.write_string(ch)
cscanner.skip_crlf()
}
cscanner.skip_crlf()