72 lines
1.4 KiB
Go
72 lines
1.4 KiB
Go
package api
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import (
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"bytes"
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"crypto/sha256"
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"encoding/binary"
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"encoding/json"
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"errors"
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"io"
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"log"
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"math/rand"
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mathrand "math/rand"
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"net/http"
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"git.coolaj86.com/coolaj86/go-mockid/xkeypairs"
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"git.rootprojects.org/root/keypairs"
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)
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/*
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func getJWS(r *http.Request) (*xkeypairs.KeyOptions, error) {
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}
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*/
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func getOpts(r *http.Request) (*xkeypairs.KeyOptions, error) {
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tok := make(map[string]interface{})
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decoder := json.NewDecoder(r.Body)
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err := decoder.Decode(&tok)
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if nil != err && io.EOF != err {
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log.Printf("json decode error: %s", err)
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return nil, errors.New("Bad Request: invalid json body")
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}
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defer r.Body.Close()
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var seed int64
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seedStr, _ := tok["seed"].(string)
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if "" != seedStr {
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if len(seedStr) > 256 {
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return nil, errors.New("Bad Request: base64 seed should be <256 characters (and is truncated to 64-bits anyway)")
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}
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b := sha256.Sum256([]byte(seedStr))
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seed, _ = binary.ReadVarint(bytes.NewReader(b[0:8]))
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}
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key, _ := tok["key"].(string)
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opts := &xkeypairs.KeyOptions{
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Seed: seed,
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Key: key,
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}
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opts.Claims, _ = tok["claims"].(keypairs.Object)
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opts.Header, _ = tok["header"].(keypairs.Object)
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var n int
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if 0 != seed {
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n = opts.MyFooNextReader().(*mathrand.Rand).Intn(2)
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} else {
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n = rand.Intn(2)
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}
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opts.KeyType, _ = tok["kty"].(string)
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if "" == opts.KeyType {
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if 0 == n {
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opts.KeyType = "RSA"
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} else {
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opts.KeyType = "EC"
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}
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}
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return opts, nil
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}
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