130 lines
2.3 KiB
Go
130 lines
2.3 KiB
Go
package configui
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import (
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"archive/tar"
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"compress/gzip"
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"io"
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"net"
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"net/http"
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"os"
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"strings"
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)
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func matchIPGlob(ip, pattern string) bool {
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parts := strings.Split(pattern, ".")
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seg := strings.Split(ip, ".")
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for i, part := range parts {
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// normalize pattern to 3 digits
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switch len(part) {
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case 1:
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if part == "*" {
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part = "***"
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} else {
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part = "00" + part
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}
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case 2:
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if strings.HasPrefix(part, "*") {
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part = "*" + part
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} else if strings.HasSuffix(part, "*") {
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part = part + "*"
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} else {
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part = "0" + part
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}
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}
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// normalize ip to 3 digits
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switch len(seg[i]) {
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case 1:
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seg[i] = "00" + seg[i]
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case 2:
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seg[i] = "0" + seg[i]
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}
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for j := range part {
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if string(part[j]) == "*" {
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continue
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}
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if part[j] != seg[i][j] {
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return false
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}
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}
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}
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return true
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}
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func bundle(buf io.Writer, paths []string, rootDir string, flat bool) error {
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gw := gzip.NewWriter(buf)
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defer gw.Close()
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tw := tar.NewWriter(gw)
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defer tw.Close()
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for _, file := range paths {
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if err := func(file string) error {
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f, err := os.Open(file)
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if err != nil {
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return err
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}
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defer f.Close()
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info, err := f.Stat()
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if err != nil {
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return err
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}
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header, err := tar.FileInfoHeader(info, info.Name())
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if err != nil {
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return err
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}
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// Use full path as name (FileInfoHeader only takes the basename)
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// If we don't do this the directory strucuture would
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// not be preserved
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// https://golang.org/src/archive/tar/common.go?#L626
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if !flat {
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if !strings.HasPrefix(file, "/") {
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file = rootDir + "/" + file
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} else {
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file = rootDir + file
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}
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header.Name = file
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}
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// Write file header to the tar archive
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err = tw.WriteHeader(header)
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if err != nil {
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return err
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}
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// Copy file content to tar archive
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_, err = io.Copy(tw, f)
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if err != nil {
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return err
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}
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return nil
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}(file); err != nil {
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return err
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}
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}
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return nil
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}
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func GetIP(r *http.Request) string {
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ip := r.Header.Get("X-Real-Ip")
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if ip == "" {
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ips := r.Header.Get("X-Forwarded-For")
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ipArr := strings.Split(ips, ",")
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ip = strings.Trim(ipArr[len(ipArr)-1], " ")
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}
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if ip == "" {
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var err error
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ip, _, err = net.SplitHostPort(r.RemoteAddr)
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if err != nil {
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ip = r.RemoteAddr
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}
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}
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return ip
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}
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