下記を参考にしつつ、Developer Token の作成と Apple 公式のテスト URL での確認を行いました。
手順をメモしておきますが、前提として Apple Developer で Media ID と秘密鍵の作成が終わっている必要があります。
PyJWT と cryptography のインストール
まず pip で PyJWT をインストールします。
% pip install pyjwt Collecting pyjwt Downloading https://files.pythonhosted.org/packages/40/46/505f0dd53c14096f01922bf93a7abb4e40e29a06f858abbaa791e6954324/PyJWT-2.6.0-py3-none-any.whl Installing collected packages: pyjwt Successfully installed pyjwt-2.6.0
そして cryptography もインストールします。Apple 指定の ES256 での処理には必要だそうです。
% pip install cryptography
Collecting cryptography
Downloading cryptography-38.0.3-cp36-abi3-macosx_10_10_x86_64.whl (2.8 MB)
━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ 2.8/2.8 MB 12.3 MB/s eta 0:00:00
Collecting cffi>=1.12
Downloading cffi-1.15.1-cp38-cp38-macosx_10_9_x86_64.whl (178 kB)
━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ 178.9/178.9 kB 817.2 kB/s eta 0:00:00
Collecting pycparser
Using cached pycparser-2.21-py2.py3-none-any.whl (118 kB)
Installing collected packages: pycparser, cffi, cryptography
Successfully installed cffi-1.15.1 cryptography-38.0.3 pycparser-2.21
秘密鍵ファイルの確認
今回は秘密鍵作成時にダウンロードした .p8 ファイルから直接秘密鍵を読み込んで使います。
一旦ファイルが読み込めるか確認します。不慣れなので。。。
>>> f = open('AuthKey_A1BC2DE34F.p8','r')
>>> f.read()
'-----BEGIN PRIVATE KEY-----\nMIGTBgEBMCMGCyqGSM49BgEGBBqGSM49BwEHCHkwdwICBQQg1nVJd1PhibK9odZT\n3yzf1MzRHmtSx2qXmqU5458MW/BgBgYIKoZIzj1DBQehRBNBBBSIDgBHsm//5jXy\nDTqW3JQmqbwwDhMEOb1fk+Cd6Gc681B3CtSubCz5bm9zcO/kMpasgLhM4CTmYoJE\nmMhVfb7q\n-----END PRIVATE KEY-----'
>>>
無事、ファイルが読み込まれていますね。秘密鍵はダミーのものに書き換えてあります。
Developer Token の作成
では仕切り直してもう一度。
jwt の encode メソッドを実行して、ヘッダ、ペイロード、サインの 3 つがエンコード & 「.」で連結された文字列を吐き出します。これが Developer Token になります。
ヘッダーとペイロードに渡す内容はこちらを、コードの書き方についてはこちらを参考にしています。
>>> import jwt
>>> f = open('AuthKey_A1BC2DE34F.p8','r')
>>> key = f.read()
>>> jwt.encode(
... {"iss": "Z98Y76543X","iat": 1667892347,"exp": 1667978747},
... key,
... algorithm = "ES256",
... headers = {"kid": "A1BC2DE34F"}
... )
'eyJhbGc_o_JFUzIoN_IsImtpZBI6Iks3XEs1XUI1oFE_LBJoeXB_o_JKVoQ_fQ.eyJpc3M_o_JaoXlENXc3MjZUI_w_aWFoIjoxNDM3MXc5MDM1LBJleHB_ojEooXMyoXgxMDA9.QgQS5gv75mSJMw5Hw5rIoUFUx1-IYyXIsau_Lkv6oMS-GKeLk_XuIWW6aRZ-Ex3-7KUAzMJIR5yHznvw5XIkkB'
>>>
Apple の公式ドキュメントに記載のサンプルコードに当てはめて curl コマンドを実行します。
curl コマンドでアクセステスト
% curl -v -H 'Authorization: Bearer eyJhbGc_o_JFUzIoN_IsImtpZBI6Iks3XEs1XUI1oFE_LBJoeXB_o_JKVoQ_fQ.eyJpc3M_o_JaoXlENXc3MjZUI_w_aWFoIjoxNDM3MXc5MDM1LBJleHB_ojEooXMyoXgxMDA9.QgQS5gv75mSJMw5Hw5rIoUFUx1-IYyXIsau_Lkv6oMS-GKeLk_XuIWW6aRZ-Ex3-7KUAzMJIR5yHznvw5XIkkB' "https://api.music.apple.com/v1/test"
重要なのは後半、HTTP のレスポンスが「200」で返ってきている部分です。
* Trying 23.56.16.9:443... * Connected to api.music.apple.com (23.56.16.9) port 443 (#0) * ALPN, offering h2 * ALPN, offering http/1.1 * successfully set certificate verify locations: * CAfile: /etc/ssl/cert.pem * CApath: none * (304) (OUT), TLS handshake, Client hello (1): * (304) (IN), TLS handshake, Server hello (2): * (304) (IN), TLS handshake, Unknown (8): * (304) (IN), TLS handshake, Certificate (11): * (304) (IN), TLS handshake, CERT verify (15): * (304) (IN), TLS handshake, Finished (20): * (304) (OUT), TLS handshake, Finished (20): * SSL connection using TLSv1.3 / AEAD-AES256-GCM-SHA384 * ALPN, server accepted to use h2 * Server certificate: * subject: businessCategory=Private Organization; jurisdictionCountryName=US; jurisdictionStateOrProvinceName=California; serialNumber=C0806592; C=US; ST=California; L=Cupertino; O=Apple Inc.; OU=management:idms.group.1208920; CN=itunes.apple.com * start date: Apr 25 16:27:49 2022 GMT * expire date: May 25 16:27:48 2023 GMT * subjectAltName: host "api.music.apple.com" matched cert's "api.music.apple.com" * issuer: C=US; O=Apple Inc.; CN=Apple Public EV Server RSA CA 2 - G1 * SSL certificate verify ok. * Using HTTP2, server supports multiplexing * Connection state changed (HTTP/2 confirmed) * Copying HTTP/2 data in stream buffer to connection buffer after upgrade: len=0 * Using Stream ID: 1 (easy handle 0x7fb56e811c00) > GET /v1/test HTTP/2 > Host: api.music.apple.com > user-agent: curl/7.79.1 > accept: */* > authorization: Bearer eyJhbGc_o_JFUzIoN_IsImtpZBI6Iks3XEs1XUI1oFE_LBJoeXB_o_JKVoQ_fQ.eyJpc3M_o_JaoXlENXc3MjZUI_w_aWFoIjoxNDM3MXc5MDM1LBJleHB_ojEooXMyoXgxMDA9.QgQS5gv75mSJMw5Hw5rIoUFUx1-IYyXIsau_Lkv6oMS-GKeLk_XuIWW6aRZ-Ex3-7KUAzMJIR5yHznvw5XIkkB > < HTTP/2 200 < server: 4.0.0 < content-type: application/json < content-length: 0 < x-apple-jingle-correlation-key: Y4JI7FBYVWF6I6MSJMT6OBPQMQ < x-apple-request-uuid: c7128f94-38ad-8be4-7992-4b27e705f064 < b3: c7128f9438ad8be479924b27e705f064-382f7c8a2052e4cc < x-b3-traceid: c7128f9438ad8be479924b27e705f064 < x-b3-spanid: 382f7c8a2052e4cc < apple-seq: 0.0 < apple-tk: false < apple-originating-system: MZStorePlatform < x-apple-application-site: ST11 < x-apple-application-instance: 2534168 < x-responding-instance: MZStorePlatform:2534168::: < apple-timing-app: 7 ms < access-control-allow-origin: * < strict-transport-security: max-age=31536000; includeSubDomains < is-jetty: true < x-apple-lokamai-no-cache: true < x-daiquiri-instance: daiquiri:41896001:st53p00it-qujn12040301:7987:22RELEASE167:daiquiri-amp-store-l7shared-int-001-st < x-daiquiri-instance: daiquiri:42282006:st53p00it-qujn15040502:7987:22RELEASE167:daiquiri-amp-store-l7shared-ext-001-st < expires: Tue, 08 Nov 2022 11:30:33 GMT < cache-control: max-age=0, no-cache, private < pragma: no-cache < date: Tue, 08 Nov 2022 11:30:33 GMT < x-cache: TCP_MISS from a23-55-45-84.deploy.akamaitechnologies.com (AkamaiGHost/10.10.1-44825277) (-) < vary: Accept-Encoding < vary: Accept-Encoding < * Connection #0 to host api.music.apple.com left intact %
B'z を検索してみる
ついでに URL の部分を検索用のものに変えてみます。
「"https://api.music.apple.com/v1/catalog/jp/search?term=B'z&types=artists"」
で、実行。
% curl -v -H 'Authorization: Bearer eyJhbGc_o_JFUzIoN_IsImtpZBI6Iks3XEs1XUI1oFE_LBJoeXB_o_JKVoQ_fQ.eyJpc3M_o_JaoXlENXc3MjZUI_w_aWFoIjoxNDM3MXc5MDM1LBJleHB_ojEooXMyoXgxMDA9.QgQS5gv75mSJMw5Hw5rIoUFUx1-IYyXIsau_Lkv6oMS-GKeLk_XuIWW6aRZ-Ex3-7KUAzMJIR5yHznvw5XIkkB' "https://api.music.apple.com/v1/catalog/jp/search?term=B'z&types=artists"
するとレスポンスの最後、B'z にまつわる情報が返ってきているのが分かるかと思います。
* Trying 23.56.16.9:443...
* Connected to api.music.apple.com (23.56.16.9) port 443 (#0)
* ALPN, offering h2
* ALPN, offering http/1.1
* successfully set certificate verify locations:
* CAfile: /etc/ssl/cert.pem
* CApath: none
* (304) (OUT), TLS handshake, Client hello (1):
* (304) (IN), TLS handshake, Server hello (2):
* (304) (IN), TLS handshake, Unknown (8):
* (304) (IN), TLS handshake, Certificate (11):
* (304) (IN), TLS handshake, CERT verify (15):
* (304) (IN), TLS handshake, Finished (20):
* (304) (OUT), TLS handshake, Finished (20):
* SSL connection using TLSv1.3 / AEAD-AES256-GCM-SHA384
* ALPN, server accepted to use h2
* Server certificate:
* subject: businessCategory=Private Organization; jurisdictionCountryName=US; jurisdictionStateOrProvinceName=California; serialNumber=C0806592; C=US; ST=California; L=Cupertino; O=Apple Inc.; OU=management:idms.group.1208920; CN=itunes.apple.com
* start date: Apr 25 16:27:49 2022 GMT
* expire date: May 25 16:27:48 2023 GMT
* subjectAltName: host "api.music.apple.com" matched cert's "api.music.apple.com"
* issuer: C=US; O=Apple Inc.; CN=Apple Public EV Server RSA CA 2 - G1
* SSL certificate verify ok.
* Using HTTP2, server supports multiplexing
* Connection state changed (HTTP/2 confirmed)
* Copying HTTP/2 data in stream buffer to connection buffer after upgrade: len=0
* Using Stream ID: 1 (easy handle 0x7fedf900b600)
> GET /v1/catalog/jp/search?term=B'z&types=artists HTTP/2
> Host: api.music.apple.com
> user-agent: curl/7.79.1
> accept: */*
> authorization: Bearer eyJhbGc_o_JFUzIoN_IsImtpZBI6Iks3XEs1XUI1oFE_LBJoeXB_o_JKVoQ_fQ.eyJpc3M_o_JaoXlENXc3MjZUI_w_aWFoIjoxNDM3MXc5MDM1LBJleHB_ojEooXMyoXgxMDA9.QgQS5gv75mSJMw5Hw5rIoUFUx1-IYyXIsau_Lkv6oMS-GKeLk_XuIWW6aRZ-Ex3-7KUAzMJIR5yHznvw5XIkkB
>
< HTTP/2 200
< server: 4.0.0
< content-type: application/json;charset=utf-8
< x-apple-jingle-correlation-key: JOSXR57OF2OG2ZRUJKOEOZVJRA
< x-apple-request-uuid: 4ba578f7-ee2e-9c6d-6634-4a9c4766a988
< b3: 4ba578f7ee2e9c6d66344a9c4766a988-0b03f71f5b294b1c
< x-b3-traceid: 4ba578f7ee2e9c6d66344a9c4766a988
< x-b3-spanid: 0b03f71f5b294b1c
< apple-seq: 0.0
< apple-tk: false
< apple-originating-system: MZStorePlatform
< x-apple-application-site: ST11
< x-apple-application-instance: 2534673
< x-responding-instance: MZStorePlatform:2534673:::
< apple-timing-app: 88 ms
< access-control-allow-origin: *
< strict-transport-security: max-age=31536000; includeSubDomains
< is-jetty: true
< x-daiquiri-instance: daiquiri:41896004:st53p00it-qujn15040101:7987:22RELEASE167:daiquiri-amp-store-l7shared-int-001-st
< x-daiquiri-instance: daiquiri:42282002:st53p00it-qujn13050102:7987:22RELEASE167:daiquiri-amp-store-l7shared-ext-001-st
< cache-control: public, no-transform, max-age=29
< date: Wed, 09 Nov 2022 00:22:40 GMT
< content-length: 8620
< x-cache: TCP_HIT from a23-55-45-84.deploy.akamaitechnologies.com (AkamaiGHost/10.10.1-44825277) (-)
< vary: Accept-Encoding
< vary: Accept-Encoding
<
{"results":{"artists":{"href":"/v1/catalog/jp/search?limit=5&term=B%27z&types=artists","next":"/v1/catalog/jp/search?offset=5&term=B%27z&types=artists","data":[{"id":"74931253","type":"artists","href":"/v1/catalog/jp/artists/74931253","attributes":{"name":"B'z","genreNames":["ロック"],"artwork":{"width":2400,"height":2400,"url":"https://is5-ssl.mzstatic.com/image/thumb/Music122/v4/0c/88/58/0c885888-c769-81f8-8485-069cd9a362f1/pr_source.png/{w}x{h}bb.jpg","bgColor":"dcdfe6","textColor1":"000001","textColor2":"1b191e","textColor3":"2c2c2f","textColor4":"424046"},"url":"https://music.apple.com/jp/artist/bz/74931253"},"relationships":{"albums":{"href":"/v1/catalog/jp/artists/74931253/albums","next":"/v1/catalog/jp/artists/74931253/albums?offset=25","data":[{"id":"283000073","type":"albums","href":"/v1/catalog/jp/albums/283000073"},{"id":"292067907","type":"albums","href":"/v1/catalog/jp/albums/292067907"},{"id":"666625900","type":"albums","href":"/v1/catalog/jp/albums/666625900"},{"id":"75682683","type":"albums","href":"/v1/catalog/jp/albums/75682683"},{"id":"1561574089","type":"albums","href":"/v1/catalog/jp/albums/1561574089"},{"id":"74937562","type":"albums","href":"/v1/catalog/jp/albums/74937562"},{"id":"666634430","type":"albums","href":"/v1/catalog/jp/albums/666634430"},{"id":"75681798","type":"albums","href":"/v1/catalog/jp/albums/75681798"},{"id":"1605118558","type":"albums","href":"/v1/catalog/jp/albums/1605118558"},{"id":"75356318","type":"albums","href":"/v1/catalog/jp/albums/75356318"},{"id":"1466937136","type":"albums","href":"/v1/catalog/jp/albums/1466937136"},{"id":"74933581","type":"albums","href":"/v1/catalog/jp/albums/74933581"},{"id":"75682153","type":"albums","href":"/v1/catalog/jp/albums/75682153"},{"id":"347013256","type":"albums","href":"/v1/catalog/jp/albums/347013256"},{"id":"74935606","type":"albums","href":"/v1/catalog/jp/albums/74935606"},{"id":"75354662","type":"albums","href":"/v1/catalog/jp/albums/75354662"},{"id":"1325460835","type":"albums","href":"/v1/catalog/jp/albums/1325460835"},{"id":"454667912","type":"albums","href":"/v1/catalog/jp/albums/454667912"},{"id":"297710855","type":"albums","href":"/v1/catalog/jp/albums/297710855"},{"id":"1561701429","type":"albums","href":"/v1/catalog/jp/albums/1561701429"},{"id":"74944705","type":"albums","href":"/v1/catalog/jp/albums/74944705"},{"id":"1567851939","type":"albums","href":"/v1/catalog/jp/albums/1567851939"},{"id":"75361124","type":"albums","href":"/v1/catalog/jp/albums/75361124"},{"id":"1567852104","type":"albums","href":"/v1/catalog/jp/albums/1567852104"},{"id":"75357159","type":"albums","href":"/v1/catalog/jp/albums/75357159"}]}}},{"id":"1236215587","type":"artists","href":"/v1/catalog/jp/artists/1236215587","attributes":{"name":"BZ","genreNames":["ヒップホップ／ラップ"],"artwork":{"width":3000,"height":3000,"url":"https://is3-ssl.mzstatic.com/image/thumb/Music124/v4/ae/b6/fb/aeb6fb97-56ba-e8fd-083f-f8c21970a74f/artwork.jpg/{w}x{h}ac.jpg","bgColor":"0f1050","textColor1":"d6bcf7","textColor2":"9dafdf","textColor3":"ae99d5","textColor4":"818fc2"},"url":"https://music.apple.com/jp/artist/bz/1236215587"},"relationships":{"albums":{"href":"/v1/catalog/jp/artists/1236215587/albums","data":[{"id":"1612269170","type":"albums","href":"/v1/catalog/jp/albums/1612269170"},{"id":"1552528987","type":"albums","href":"/v1/catalog/jp/albums/1552528987"},{"id":"1170604377","type":"albums","href":"/v1/catalog/jp/albums/1170604377"},{"id":"1344358078","type":"albums","href":"/v1/catalog/jp/albums/1344358078"},{"id":"1501353949","type":"albums","href":"/v1/catalog/jp/albums/1501353949"},{"id":"1551034513","type":"albums","href":"/v1/catalog/jp/albums/1551034513"},{"id":"1502686217","type":"albums","href":"/v1/catalog/jp/albums/1502686217"},{"id":"1502573665","type":"albums","href":"/v1/catalog/jp/albums/1502573665"},{"id":"1544732805","type":"albums","href":"/v1/catalog/jp/albums/1544732805"},{"id":"1536654657","type":"albums","href":"/v1/catalog/jp/albums/1536654657"},{"id":"1549103433","type":"albums","href":"/v1/catalog/jp/albums/1549103433"},{"id":"1375096721","type":"albums","href":"/v1/catalog/jp/albums/1375096721"},{"id":"1561406752","type":"albums","href":"/v1/catalog/jp/albums/1561406752"},{"id":"1597875079","type":"albums","href":"/v1/catalog/jp/albums/1597875079"},{"id":"1566648690","type":"albums","href":"/v1/catalog/jp/albums/1566648690"},{"id":"1503527043","type":"albums","href":"/v1/catalog/jp/albums/1503527043"},{"id":"1448546746","type":"albums","href":"/v1/catalog/jp/albums/1448546746"},{"id":"1644747159","type":"albums","href":"/v1/catalog/jp/albums/1644747159"},{"id":"1629986398","type":"albums","href":"/v1/catalog/jp/albums/1629986398"},{"id":"1619147046","type":"albums","href":"/v1/catalog/jp/albums/1619147046"},{"id":"1606159561","type":"albums","href":"/v1/catalog/jp/albums/1606159561"},{"id":"1582431314","type":"albums","href":"/v1/catalog/jp/albums/1582431314"}]}}},{"id":"1465740891","type":"artists","href":"/v1/catalog/jp/artists/146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Connection #0 to host api.music.apple.com left intact
","href":"/v1/catalog/jp/albums/1609298956"},{"id":"1584989196","type":"albums","href":"/v1/catalog/jp/albums/1584989196"},{"id":"1522129749","type":"albums","href":"/v1/catalog/jp/albums/1522129749"},{"id":"1648328595","type":"albums","href":"/v1/catalog/jp/albums/1648328595"},{"id":"1635988163","type":"albums","href":"/v1/catalog/jp/albums/1635988163"}]}}}]}},"meta":{"results":{"order":["artists"],"rawOrder":["artists"]}}}% %
見づらいので形を整えたものが下記です。
{
"results": {
"artists": {
"href": "/v1/catalog/jp/search?limit=5&term=B%27z&types=artists",
"next": "/v1/catalog/jp/search?offset=5&term=B%27z&types=artists",
"data": [
{
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