fifos/list.go

   1 /*
   2 tofuproxy -- flexible HTTP/WARC proxy with TLS certificates management
   3 Copyright (C) 2021 Sergey Matveev <stargrave@stargrave.org>
   4
   5 This program is free software: you can redistribute it and/or modify
   6 it under the terms of the GNU General Public License as published by
   7 the Free Software Foundation, version 3 of the License.
   8
   9 This program is distributed in the hope that it will be useful,
  10 but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12 GNU General Public License for more details.
  13
  14 You should have received a copy of the GNU General Public License
  15 along with this program.  If not, see <http://www.gnu.org/licenses/>.
  16 */
  17
  18 package fifos
  19
  20 import (
  21         "crypto/x509"
  22         "fmt"
  23         "log"
  24         "os"
  25         "sync"
  26
  27         "go.stargrave.org/tofuproxy/caches"
  28 )
  29
  30 func list(l *sync.RWMutex, m map[string]string, p string) {
  31         for {
  32                 fd, err := os.OpenFile(p, os.O_WRONLY|os.O_APPEND, os.FileMode(0666))
  33                 if err != nil {
  34                         log.Fatalln(err)
  35                 }
  36                 l.RLock()
  37                 for host, hsh := range m {
  38                         if _, err = fd.WriteString(fmt.Sprintf("%s\t%s\n", host, hsh)); err != nil {
  39                                 break
  40                         }
  41                 }
  42                 l.RUnlock()
  43                 fd.Close()
  44         }
  45 }
  46
  47 func listAccepted(p string) {
  48         list(&caches.AcceptedM, caches.Accepted, p)
  49 }
  50
  51 func listRejected(p string) {
  52         list(&caches.RejectedM, caches.Rejected, p)
  53 }
  54
  55 func listHTTPAuth(p string) {
  56         for {
  57                 fd, err := os.OpenFile(p, os.O_WRONLY|os.O_APPEND, os.FileMode(0666))
  58                 if err != nil {
  59                         log.Fatalln(err)
  60                 }
  61                 caches.HTTPAuthCacheM.RLock()
  62                 for host, creds := range caches.HTTPAuthCache {
  63                         if _, err = fd.WriteString(fmt.Sprintf("%s\t%s\n", host, creds[0])); err != nil {
  64                                 break
  65                         }
  66                 }
  67                 caches.HTTPAuthCacheM.RUnlock()
  68                 fd.Close()
  69         }
  70 }
  71
  72 func listTLSAuth(p string) {
  73         for {
  74                 fd, err := os.OpenFile(p, os.O_WRONLY|os.O_APPEND, os.FileMode(0666))
  75                 if err != nil {
  76                         log.Fatalln(err)
  77                 }
  78                 caches.TLSAuthCacheM.RLock()
  79                 for host, tlsCert := range caches.TLSAuthCache {
  80                         cert, err := x509.ParseCertificate(tlsCert.Certificate[0])
  81                         if err != nil {
  82                                 log.Fatalln(err)
  83                         }
  84                         if _, err = fd.WriteString(fmt.Sprintf("%s\t%s\n", host, cert.Subject)); err != nil {
  85                                 break
  86                         }
  87                 }
  88                 caches.TLSAuthCacheM.RUnlock()
  89                 fd.Close()
  90         }
  91 }