mirror of
https://github.com/zhaarey/apple-music-downloader.git
synced 2025-10-23 15:11:05 +00:00
add acc-lc dl
This commit is contained in:
73
utils/runv3/key/key.go
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73
utils/runv3/key/key.go
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@@ -0,0 +1,73 @@
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package wv
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import (
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"context"
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"encoding/base64"
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"encoding/hex"
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"github.com/gospider007/requests"
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"log/slog"
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"main/utils/runv3/cdm"
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)
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type Key struct {
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ReqCli *requests.Client
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BeforeRequest func(cl *requests.Client, preCtx context.Context, method string, href string, options ...requests.RequestOption) (resp *requests.Response, err error)
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AfterRequest func(*requests.Response) ([]byte, error)
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}
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func (w *Key) CdmInit() {
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wv.InitConstants()
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}
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func (w *Key) GetKey(ctx context.Context, licenseServerURL string, PSSH string, headers map[string][]string) (string, []byte, error) {
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initData, err := base64.StdEncoding.DecodeString(PSSH)
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var keybt []byte
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if err != nil {
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slog.Error("pssh decode error: %v", err)
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return "", keybt, err
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}
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cdm, err := wv.NewDefaultCDM(initData)
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if err != nil {
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slog.Error("cdm init error: %v", err)
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return "", keybt, err
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}
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licenseRequest, err := cdm.GetLicenseRequest()
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if err != nil {
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slog.Error("license request error: %v", err)
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return "", keybt, err
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}
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var response *requests.Response
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if w.BeforeRequest != nil {
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response, err = w.BeforeRequest(w.ReqCli, ctx, "post", licenseServerURL, requests.RequestOption{
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Data: licenseRequest,
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})
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} else {
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response, err = w.ReqCli.Request(nil, "post", licenseServerURL, requests.RequestOption{
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Data: licenseRequest,
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})
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}
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if err != nil {
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slog.Error("license request error: %s", err)
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return "", keybt, err
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}
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var licenseResponse []byte
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if w.AfterRequest != nil {
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licenseResponse, err = w.AfterRequest(response)
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if err != nil {
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return "", keybt, err
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}
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} else {
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licenseResponse = response.Content()
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}
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keys, err := cdm.GetLicenseKeys(licenseRequest, licenseResponse)
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command := ""
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for _, key := range keys {
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if key.Type == wv.License_KeyContainer_CONTENT {
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// command += "--key " + hex.EncodeToString(key.ID) + ":" + hex.EncodeToString(key.Value)
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command += hex.EncodeToString(key.Value)
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keybt = key.Value
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}
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}
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return command, keybt, nil
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}
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