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package main
import (
"fmt"
"net/http"
"bufio"
"os"
"strings"
"github.com/gomodule/redigo/redis"
)
var cache redis.Conn
func InitCache() {
conn, err := redis.DialURL("redis://localhost")
if err != nil {
panic(err)
}
cache = conn
}
func CheckSession(w http.ResponseWriter, r *http.Request) (interface{}, error){
c, err := r.Cookie("session_token")
if err != nil {
if err == http.ErrNoCookie {
w.WriteHeader(http.StatusUnauthorized)
return nil, err
}
w.WriteHeader(http.StatusBadRequest)
return nil, err
}
sessionToken := c.Value
response, err := cache.Do("GET", sessionToken)
if err != nil {
w.WriteHeader(http.StatusInternalServerError)
return nil, err
}
if response == nil {
w.WriteHeader(http.StatusUnauthorized)
return nil, err
}
return response, nil
}
func GetClientKey() string{
file, err := os.Open("clientkey")
CheckError(err, "could not open client key in file")
defer file.Close()
scanner := bufio.NewScanner(file)
var line string
for scanner.Scan() {
line = fmt.Sprintf("%s", scanner.Text())
}
return line
}
func GetPasswordFromSession(r *http.Request) (string, string) {
c, err := r.Cookie("session_token")
if err != nil {
return "", ""
}
sessionToken := c.Value
response, err := cache.Do("GET", sessionToken)
if CheckError(err, "could not get session from cache") != nil {
return "", ""
}
token := fmt.Sprintf("%s", response)
parts := strings.Split(token, "|")
if len(parts) > 1 {
return parts[0], parts[1]
}
return "", ""
}
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