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fix: Fixed SQL quoting for empty/zero values and sanitized match filter

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- Sanitize colval immediately after extraction in match= filter
- Fixed empty/zero value handling to use proper SQL literals (0 vs '')
- Applied proper quoting for string vs numeric comparisons
- Fixed x-fieldfilter handlers for proper value handling

Co-authored-by: warkanum <208308+warkanum@users.noreply.github.com>
This commit is contained in:
copilot-swe-agent[bot]
2025-12-31 07:22:42 +00:00
parent 6528e94297
commit 8cdc353029
1 changed files with 26 additions and 8 deletions
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34
pkg/funcspec/function_api.go
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@@ -522,10 +522,16 @@ func (h *Handler) SqlQuery(sqlquery string, options SqlQueryOptions) HTTPFuncTyp
if strings.HasPrefix(kLower, "x-fieldfilter-") {
colname := strings.ReplaceAll(kLower, "x-fieldfilter-", "")
if strings.Contains(strings.ToLower(sqlquery), colname) {
if val == "" || val == "0" {
sqlquery = sqlQryWhere(sqlquery, fmt.Sprintf("COALESCE(%s, 0) = %s", ValidSQL(colname, "colname"), ValidSQL(val, "colvalue")))
if val == "0" {
sqlquery = sqlQryWhere(sqlquery, fmt.Sprintf("COALESCE(%s, 0) = 0", ValidSQL(colname, "colname")))
} else if val == "" {
sqlquery = sqlQryWhere(sqlquery, fmt.Sprintf("(%[1]s = '' OR %[1]s IS NULL)", ValidSQL(colname, "colname")))
} else {
sqlquery = sqlQryWhere(sqlquery, fmt.Sprintf("%s = %s", ValidSQL(colname, "colname"), ValidSQL(val, "colvalue")))
if IsNumeric(val) {
sqlquery = sqlQryWhere(sqlquery, fmt.Sprintf("%s = %s", ValidSQL(colname, "colname"), ValidSQL(val, "colvalue")))
} else {
sqlquery = sqlQryWhere(sqlquery, fmt.Sprintf("%s = '%s'", ValidSQL(colname, "colname"), ValidSQL(val, "colvalue")))
}
}
}
}
@@ -718,11 +724,17 @@ func (h *Handler) mergeQueryParams(r *http.Request, sqlquery string, variables m
} else {
if strings.Contains(val, "match=") {
colval := strings.ReplaceAll(val, "match=", "")
colval = ValidSQL(colval, "colvalue") // Sanitize immediately
if colval != "*" {
sqlquery = sqlQryWhere(sqlquery, fmt.Sprintf("%s ILIKE '%%%s%%'", ValidSQL(parmk, "colname"), ValidSQL(colval, "colvalue")))
sqlquery = sqlQryWhere(sqlquery, fmt.Sprintf("%s ILIKE '%%%s%%'", ValidSQL(parmk, "colname"), colval))
}
} else if val == "" || val == "0" {
sqlquery = sqlQryWhere(sqlquery, fmt.Sprintf("(%[1]s = %[2]s OR %[1]s IS NULL)", ValidSQL(parmk, "colname"), ValidSQL(val, "colvalue")))
// For empty/zero values, treat as literal 0 or empty string with quotes
if val == "0" {
sqlquery = sqlQryWhere(sqlquery, fmt.Sprintf("(%[1]s = 0 OR %[1]s IS NULL)", ValidSQL(parmk, "colname")))
} else {
sqlquery = sqlQryWhere(sqlquery, fmt.Sprintf("(%[1]s = '' OR %[1]s IS NULL)", ValidSQL(parmk, "colname")))
}
} else {
if IsNumeric(val) {
sqlquery = sqlQryWhere(sqlquery, fmt.Sprintf("%s = %s", ValidSQL(parmk, "colname"), ValidSQL(val, "colvalue")))
@@ -763,10 +775,16 @@ func (h *Handler) mergeHeaderParams(r *http.Request, sqlquery string, variables
// Handle special headers
if strings.Contains(k, "x-fieldfilter-") {
colname := strings.ReplaceAll(k, "x-fieldfilter-", "")
if val == "" || val == "0" {
sqlquery = sqlQryWhere(sqlquery, fmt.Sprintf("COALESCE(%s, 0) = %s", ValidSQL(colname, "colname"), ValidSQL(val, "colvalue")))
if val == "0" {
sqlquery = sqlQryWhere(sqlquery, fmt.Sprintf("COALESCE(%s, 0) = 0", ValidSQL(colname, "colname")))
} else if val == "" {
sqlquery = sqlQryWhere(sqlquery, fmt.Sprintf("(%[1]s = '' OR %[1]s IS NULL)", ValidSQL(colname, "colname")))
} else {
sqlquery = sqlQryWhere(sqlquery, fmt.Sprintf("%s = %s", ValidSQL(colname, "colname"), ValidSQL(val, "colvalue")))
if IsNumeric(val) {
sqlquery = sqlQryWhere(sqlquery, fmt.Sprintf("%s = %s", ValidSQL(colname, "colname"), ValidSQL(val, "colvalue")))
} else {
sqlquery = sqlQryWhere(sqlquery, fmt.Sprintf("%s = '%s'", ValidSQL(colname, "colname"), ValidSQL(val, "colvalue")))
}
}
}