mirror of
https://github.com/Oxalide/vsphere-influxdb-go.git
synced 2023-10-10 13:36:51 +02:00
48 lines
1.3 KiB
Go
48 lines
1.3 KiB
Go
package influxql
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import (
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"bytes"
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"regexp"
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)
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var (
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sanitizeSetPassword = regexp.MustCompile(`(?i)password\s+for[^=]*=\s+(["']?[^\s"]+["']?)`)
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sanitizeCreatePassword = regexp.MustCompile(`(?i)with\s+password\s+(["']?[^\s"]+["']?)`)
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)
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// Sanitize attempts to sanitize passwords out of a raw query.
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// It looks for patterns that may be related to the SET PASSWORD and CREATE USER
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// statements and will redact the password that should be there. It will attempt
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// to redact information from common invalid queries too, but it's not guaranteed
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// to succeed on improper queries.
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//
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// This function works on the raw query and attempts to retain the original input
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// as much as possible.
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func Sanitize(query string) string {
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if matches := sanitizeSetPassword.FindAllStringSubmatchIndex(query, -1); matches != nil {
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var buf bytes.Buffer
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i := 0
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for _, match := range matches {
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buf.WriteString(query[i:match[2]])
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buf.WriteString("[REDACTED]")
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i = match[3]
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}
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buf.WriteString(query[i:])
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query = buf.String()
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}
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if matches := sanitizeCreatePassword.FindAllStringSubmatchIndex(query, -1); matches != nil {
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var buf bytes.Buffer
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i := 0
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for _, match := range matches {
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buf.WriteString(query[i:match[2]])
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buf.WriteString("[REDACTED]")
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i = match[3]
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}
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buf.WriteString(query[i:])
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query = buf.String()
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}
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return query
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}
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