arno/clair
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

v1: pagination now deterministic

Browse Source 
The standard JSON encoding has no guarantee of the order of keys, thus
token values could differ, but still be equivalent.
This commit is contained in:
Jimmy Zelinskie 2016-02-23 19:03:22 -05:00
parent dc431c22f3
commit 452c32d7d7
1 changed files with 3 additions and 9 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

12
api/v1/models.go
View File

@ -15,8 +15,6 @@
package v1
import (
"bytes"
"encoding/json"
"errors"
"fmt"
"time"
@ -297,19 +295,15 @@ func tokenToPageNumber(token, key string) (database.VulnerabilityNotificationPag
}
page := database.VulnerabilityNotificationPageNumber{}
err := json.NewDecoder(bytes.NewBuffer(msg)).Decode(&page)
_, err := fmt.Sscanf(string(msg), "old:%d|new:%d", &page.OldVulnerability, &page.NewVulnerability)
return page, err
}
func pageNumberToToken(page database.VulnerabilityNotificationPageNumber, key string) string {
var buf bytes.Buffer
err := json.NewEncoder(&buf).Encode(page)
if err != nil {
log.Fatal("failed to encode VulnerabilityNotificationPageNumber")
}
unencryptedToken := []byte(fmt.Sprintf("old:%d|new:%d", page.OldVulnerability, page.NewVulnerability))
k, _ := fernet.DecodeKey(key)
tokenBytes, err := fernet.EncryptAndSign(buf.Bytes(), k)
tokenBytes, err := fernet.EncryptAndSign(unencryptedToken, k)
if err != nil {
log.Fatal("failed to encrypt VulnerabilityNotificationpageNumber")
}