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mondash/vendor/github.com/Luzifer/go_helpers/http/digest.go
Knut Ahlers f3c31476b4
Major: Rework frontend, API and improve code quality (#5)
* Update dependencies
* Improve code quality
* Apply linter advices
* Add gzip compression to all requests
* Rework frontend
* Apply bootswatch theme
* Hide historic details when not requested
* Remove debugging header
* Apply auto-migration of meta fields
* Fix broken "last update" time
* Pre-sort metrics for frontend / API
* Add tooltip with absolute time
* Some design fixes
* Add tooltip with absolute date to last ok
* Implement filters
* Apply eslint --fix
* Remove unused var
* Remove remains of old template engine
* Update baked in assets
* Update Dockerfile for new version

Signed-off-by: Knut Ahlers <knut@ahlers.me>
2019-05-25 00:03:06 +02:00

55 lines
1.3 KiB
Go

package http
import (
"crypto/md5"
"crypto/rand"
"encoding/hex"
"fmt"
"io"
"net/http"
"strings"
"github.com/Luzifer/go_helpers/str"
)
func GetDigestAuth(resp *http.Response, method, requestPath, user, password string) string {
params := map[string]string{}
for _, part := range strings.Split(resp.Header.Get("Www-Authenticate"), " ") {
if !strings.Contains(part, `="`) {
continue
}
spl := strings.Split(strings.Trim(part, " ,"), "=")
if !str.StringInSlice(spl[0], []string{"nonce", "realm", "qop"}) {
continue
}
params[spl[0]] = strings.Trim(spl[1], `"`)
}
b := make([]byte, 8)
io.ReadFull(rand.Reader, b)
params["cnonce"] = fmt.Sprintf("%x", b)
params["nc"] = "1"
params["uri"] = requestPath
params["username"] = user
params["response"] = getMD5([]string{
getMD5([]string{params["username"], params["realm"], password}),
params["nonce"],
params["nc"],
params["cnonce"],
params["qop"],
getMD5([]string{method, requestPath}),
})
authParts := []string{}
for k, v := range params {
authParts = append(authParts, fmt.Sprintf("%s=%q", k, v))
}
return "Digest " + strings.Join(authParts, ", ")
}
func getMD5(in []string) string {
h := md5.New()
h.Write([]byte(strings.Join(in, ":")))
return hex.EncodeToString(h.Sum(nil))
}