Enhance crawler with seed list and SQL utilities

Add seedList module for URL initialization, comprehensive SQL utilities for database analysis, and update project configuration.
This commit is contained in:
antanst
2025-06-16 12:29:33 +03:00
parent 5e6dabf1e7
commit 8588414b14
37 changed files with 742 additions and 682 deletions

View File

@@ -7,6 +7,7 @@ import (
"io"
"unicode/utf8"
"gemini-grc/config"
"git.antanst.com/antanst/xerrors"
"golang.org/x/text/encoding/charmap"
"golang.org/x/text/encoding/japanese"
@@ -23,11 +24,16 @@ func BytesToValidUTF8(input []byte) (string, error) {
if len(input) == 0 {
return "", nil
}
const maxSize = 10 * 1024 * 1024 // 10MB
if len(input) > maxSize {
return "", xerrors.NewError(fmt.Errorf("%w: %d bytes (max %d)", ErrInputTooLarge, len(input), maxSize), 0, "", false)
maxSize := config.CONFIG.MaxResponseSize
if maxSize == 0 {
maxSize = 1024 * 1024 // Default 1MB for tests
}
// remove NULL byte 0x00 (ReplaceAll accepts slices)
if len(input) > maxSize {
return "", xerrors.NewError(fmt.Errorf("BytesToValidUTF8: %w: %d bytes (max %d)", ErrInputTooLarge, len(input), maxSize), 0, "", false)
}
// Always remove NULL bytes first (before UTF-8 validity check)
inputNoNull := bytes.ReplaceAll(input, []byte{byte(0)}, []byte{})
if utf8.Valid(inputNoNull) {
return string(inputNoNull), nil
@@ -42,6 +48,8 @@ func BytesToValidUTF8(input []byte) (string, error) {
japanese.EUCJP.NewDecoder(), // Japanese
korean.EUCKR.NewDecoder(), // Korean
}
// Still invalid Unicode. Try some encodings to convert to.
// First successful conversion wins.
var lastErr error
for _, encoding := range encodings {
@@ -56,5 +64,5 @@ func BytesToValidUTF8(input []byte) (string, error) {
}
}
return "", xerrors.NewError(fmt.Errorf("%w (tried %d encodings): %w", ErrUTF8Conversion, len(encodings), lastErr), 0, "", false)
return "", xerrors.NewError(fmt.Errorf("BytesToValidUTF8: %w (tried %d encodings): %w", ErrUTF8Conversion, len(encodings), lastErr), 0, "", false)
}