102 lines
1.7 KiB
Go
102 lines
1.7 KiB
Go
package qobuz
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import (
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"crypto/md5"
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"encoding/hex"
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"net/url"
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"sort"
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"strings"
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"time"
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)
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func signGet(path, appSecret string, query url.Values) (requestTS, requestSig string) {
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ts := nowTS()
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method := methodName(path)
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keys := make([]string, 0, len(query))
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for k := range query {
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if k == "app_id" || k == "request_ts" || k == "request_sig" {
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continue
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}
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keys = append(keys, k)
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}
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sort.Strings(keys)
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b := strings.Builder{}
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b.WriteString(method)
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for _, k := range keys {
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vals := query[k]
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if len(vals) == 0 {
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continue
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}
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b.WriteString(k)
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b.WriteString(vals[0])
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}
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b.WriteString(ts)
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b.WriteString(appSecret)
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h := md5.Sum([]byte(b.String()))
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return ts, hex.EncodeToString(h[:])
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}
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func signPost(path, appSecret string, form url.Values, includeValues bool) (requestTS, requestSig string) {
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ts := nowTS()
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method := methodName(path)
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keys := make([]string, 0, len(form))
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for k := range form {
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if k == "app_id" || k == "request_ts" || k == "request_sig" {
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continue
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}
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keys = append(keys, k)
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}
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sort.Strings(keys)
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b := strings.Builder{}
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b.WriteString(method)
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for _, k := range keys {
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b.WriteString(k)
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if includeValues {
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vals := form[k]
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if len(vals) > 0 {
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b.WriteString(vals[0])
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}
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}
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}
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b.WriteString(ts)
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b.WriteString(appSecret)
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h := md5.Sum([]byte(b.String()))
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return ts, hex.EncodeToString(h[:])
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}
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func methodName(path string) string {
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return strings.ReplaceAll(strings.Trim(path, "/"), "/", "")
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}
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func nowTS() string {
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return strconvI64(time.Now().Unix())
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}
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func strconvI64(v int64) string {
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if v == 0 {
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return "0"
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}
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neg := v < 0
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if neg {
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v = -v
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}
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buf := [20]byte{}
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i := len(buf)
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for v > 0 {
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i--
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buf[i] = byte('0' + v%10)
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v /= 10
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}
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if neg {
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i--
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buf[i] = '-'
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}
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return string(buf[i:])
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}
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