55 lines
1.4 KiB
Go
55 lines
1.4 KiB
Go
package queue
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import (
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"regexp"
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"strings"
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"unicode"
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"unicode/utf8"
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)
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var (
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credentialPattern = regexp.MustCompile(`(?i)\b(api[_-]?key|authorization|password|token)\s*[:=]\s*[^\s,;]+`)
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bearerPattern = regexp.MustCompile(`(?i)\bbearer\s+[^\s,;]+`)
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urlPattern = regexp.MustCompile(`(?i)https?://[^\s]+`)
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codePattern = regexp.MustCompile(`^[a-z0-9_]+$`)
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)
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func SanitizeErrorMessage(message string, maxBytes int) string {
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message = urlPattern.ReplaceAllString(message, "[REDACTED-URL]")
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message = bearerPattern.ReplaceAllString(message, "Bearer [REDACTED]")
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message = credentialPattern.ReplaceAllString(message, "$1=[REDACTED]")
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message = strings.Map(func(value rune) rune {
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if unicode.IsControl(value) {
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return ' '
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}
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return value
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}, message)
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message = strings.Join(strings.Fields(message), " ")
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if message == "" {
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message = "upstream request failed"
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}
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return truncateUTF8(message, maxBytes)
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}
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func sanitizeCode(code string) string {
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code = strings.ToLower(strings.TrimSpace(code))
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if len(code) == 0 || len(code) > 64 || !codePattern.MatchString(code) {
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return "upstream_error"
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}
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return code
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}
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func truncateUTF8(value string, maxBytes int) string {
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if maxBytes <= 0 {
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return ""
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}
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if len(value) <= maxBytes {
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return value
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}
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value = value[:maxBytes]
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for !utf8.ValidString(value) {
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value = value[:len(value)-1]
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}
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return value
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}
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