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/*
Hockeypuck - OpenPGP key server
Copyright (C) 2012 Casey Marshall
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU Affero General Public License as published by
the Free Software Foundation, version 3.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Affero General Public License for more details.
You should have received a copy of the GNU Affero General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package hockeypuck
import (
"bufio"
"bytes"
"errors"
"flag"
"fmt"
"log"
"os"
"strings"
)
func LogCfg(l *log.Logger) {
flag.VisitAll(func(f *flag.Flag) {
l.Println(f.Name, "=", f.Value)
})
}
func ParseCfg() {
var err error
var f *os.File
var bf *bufio.Reader
var mkline *bytes.Buffer
var fi os.FileInfo
if fi, err = os.Stat(CONFIG_PATH); err != nil || fi.IsDir() {
// no config file or not found
goto CFGERR
return
}
f, err = os.Open(CONFIG_PATH)
if err != nil {
goto CFGERR
return
}
fmt.Fprintf(os.Stderr, "Reading configuration from %v\n", f.Name())
bf = bufio.NewReader(f)
mkline = bytes.NewBuffer([]byte{})
for {
part, prefix, err := bf.ReadLine()
if err != nil {
break
}
mkline.Write(part)
if !prefix {
err = ParseCfgLine(string(mkline.Bytes()))
if err != nil {
panic(fmt.Sprintf(
"Error in configuration file %v: %v\n",
CONFIG_PATH, err))
}
mkline.Reset()
}
}
return
CFGERR:
fmt.Fprintf(os.Stderr, "%v\n", err)
return
}
func ParseCfgLine(line string) (err error) {
line = strings.TrimSpace(line)
if line[0] == '#' {
return
}
parts := strings.Split(line, "=")
if len(parts) != 2 {
return errors.New(fmt.Sprintf(
"Expected line of form 'key = value', got: %v", line))
}
key, value := strings.TrimSpace(parts[0]), strings.TrimSpace(parts[1])
flag.Set(key, value)
return
}
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