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* add(s3): add Content-Disposition header * Update driver.go Signed-off-by: XZB-1248 <28593573+XZB-1248@users.noreply.github.com> * Update driver.go Signed-off-by: XZB-1248 <28593573+XZB-1248@users.noreply.github.com> --------- Signed-off-by: XZB-1248 <28593573+XZB-1248@users.noreply.github.com> Co-authored-by: XZB-1248 <i@1248.ink> Co-authored-by: Suyunjing <69945917+Suyunmeng@users.noreply.github.com>
44 lines
1.1 KiB
Go
44 lines
1.1 KiB
Go
package utils
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import (
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"fmt"
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"net/url"
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"strings"
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)
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// GenerateContentDisposition 生成符合RFC 5987标准的Content-Disposition头部
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func GenerateContentDisposition(fileName string) string {
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// 按照RFC 2047进行编码，用于filename部分
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encodedName := urlEncode(fileName)
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// 按照RFC 5987进行编码，用于filename*部分
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encodedNameRFC5987 := encodeRFC5987(fileName)
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return fmt.Sprintf("attachment; filename=\"%s\"; filename*=utf-8''%s",
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encodedName, encodedNameRFC5987)
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}
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// encodeRFC5987 按照RFC 5987规范编码字符串，适用于HTTP头部参数中的非ASCII字符
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func encodeRFC5987(s string) string {
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var buf strings.Builder
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for _, r := range []byte(s) {
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// 根据RFC 5987，只有字母、数字和部分特殊符号可以不编码
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if (r >= 'a' && r <= 'z') ||
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(r >= 'A' && r <= 'Z') ||
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(r >= '0' && r <= '9') ||
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r == '-' || r == '.' || r == '_' || r == '~' {
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buf.WriteByte(r)
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} else {
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// 其他字符都需要百分号编码
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fmt.Fprintf(&buf, "%%%02X", r)
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}
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}
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return buf.String()
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}
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func urlEncode(s string) string {
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s = url.QueryEscape(s)
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s = strings.ReplaceAll(s, "+", "%20")
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return s
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}
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