fix: correct URL userinfo handling for DM driver by preserving special characters

zhongming Fan · zhongming Fan · commit bb82134f3b53 · 2026-05-18T11:56:32.000+08:00
diff --git a/exporter.go b/exporter.go
@@ -399,10 +399,8 @@ func buildDMUserinfo() string {
 	if rawUser == "" {
 		return ""
 	}
-	if rawPassword == "" {
-		return url.UserPassword(rawUser, "").String()
-	}
-	return fmt.Sprintf("%s:%s", url.User(rawUser).String(), url.PathEscape(rawPassword))
+	// DM 驱动不会对 userinfo 做 URL 解码，特殊字符必须原样传入。
+	return fmt.Sprintf("%s:%s", rawUser, rawPassword)
 }
 
 // split comma separated list of key=value pairs and return a map of key value pairs

Original file line number	Diff line number	Diff line change
`@@ -399,10 +399,8 @@ func buildDMUserinfo() string {`
`399`	`399`	`if rawUser == "" {`
`400`	`400`	`return ""`
`401`	`401`	`}`
`402`		`- if rawPassword == "" {`
`403`		`- return url.UserPassword(rawUser, "").String()`
`404`		`- }`
`405`		`- return fmt.Sprintf("%s:%s", url.User(rawUser).String(), url.PathEscape(rawPassword))`
	`402`	`+ // DM 驱动不会对 userinfo 做 URL 解码，特殊字符必须原样传入。`
	`403`	`+ return fmt.Sprintf("%s:%s", rawUser, rawPassword)`
`406`	`404`	`}`
`407`	`405`
`408`	`406`	`// split comma separated list of key=value pairs and return a map of key value pairs`