42 lines
891 B
Go
42 lines
891 B
Go
package rest
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import (
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"crypto/sha1"
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"errors"
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"fmt"
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"hash/crc64"
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"log"
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"net/http"
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"github.com/umputun/remark/app/store"
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)
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// ContextKey is a type to match on context
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type ContextKey string
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// GetUserInfo returns user from request context
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func GetUserInfo(r *http.Request) (user store.User, err error) {
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ctx := r.Context()
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if ctx == nil {
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return store.User{}, errors.New("no info about user")
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}
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if u, ok := ctx.Value(ContextKey("user")).(store.User); ok {
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return u, nil
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}
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return store.User{}, errors.New("user can't be parsed")
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}
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// EncodeID hashes user id to sha1
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func EncodeID(id string) string {
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h := sha1.New()
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if _, err := h.Write([]byte(id)); err != nil {
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// fail back to crc64
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log.Printf("[WARN] can't hash id %s, %s", id, err)
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return fmt.Sprintf("%x", crc64.Checksum([]byte(id), crc64.MakeTable(crc64.ECMA)))
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}
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return fmt.Sprintf("%x", h.Sum(nil))
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}
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