Refactor: Define loadBody API for make scheme file more concise

The loadBody() function allows more concise and intuitive loading of request bodies encoded in the scheme.

python/pre.py

@@ -63,6 +63,18 @@ async def corsFetch(url: str, method: str, headers: [dict, str], body: [dict, by
 
     return res
 
+# Define loadBody API for loading requestBody to scheme concisely
+def loadBody(loadAs: str):
+    global licBody
+    licBody = base64.b64decode(licBody.encode())
+
+    match loadAs:
+        case "blob": pass
+        case "str": licBody = licBody.decode()
+        case "json": licBody = json.loads(licBody.decode())
+
+    return licBody
+
 # prepare pssh
 pssh = PSSH(pssh)
 

python/schemes/Comcast.py

@@ -1,4 +1,4 @@
-req = json.loads(base64.b64decode(licBody.encode()).decode())
+req = loadBody("json")
 b64challenge = base64.b64encode(challenge).decode()
 req['licenseRequest'] = b64challenge
 res = await corsFetch(licUrl, "POST", licHeaders, req, "json")

python/schemes/GlobalTV.py

@@ -1,4 +1,4 @@
-payload = json.loads(base64.b64decode(licBody.encode()).decode())
+payload = loadBody("json")
 challengeArr = list(challenge)
 payload['license_request_data']=challengeArr
 licence = await (await pyfetch(licUrl,

python/schemes/Polsat.py

@@ -1,4 +1,4 @@
-payload = json.loads(base64.b64decode(licBody.encode()).decode())
+payload = loadBody("json")
 challengeB64 = base64.b64encode(challenge).decode()
 payload['params']['object'] = challengeB64
 licence = await (await pyfetch(licUrl,

python/schemes/RedBee.py

@@ -1,4 +1,4 @@
-req = json.loads(base64.b64decode(licBody.encode()).decode())
+req = loadBody("json")
 b64challenge = base64.b64encode(challenge).decode()
 req['message'] = b64challenge
 

python/schemes/VdoCipher.py

@@ -1,6 +1,6 @@
 b64challenge = base64.b64encode(challenge).decode()
 
-payload = json.loads(base64.b64decode(licBody.encode()).decode())
+payload = loadBody("json")
 decoded_token = json.loads(base64.b64decode(payload['token']).decode())
 decoded_token['licenseRequest'] = b64challenge
 payload = {"token": base64.b64encode(json.dumps(decoded_token).encode()).decode()}

python/schemes/Youku.py

@@ -1,5 +1,5 @@
 import urllib.parse
-payload = urllib.parse.parse_qs(base64.b64decode(licBody.encode()).decode())
+payload = urllib.parse.parse_qs(loadBody("str"))
 challengeB64 = base64.b64encode(challenge).decode()
 payload['licenseRequest'] = challengeB64
 payload = urllib.parse.urlencode(payload)

python/schemes/thePlatform.py

@@ -1,4 +1,4 @@
-payload = json.loads(base64.b64decode(licBody.encode()).decode())
+payload = loadBody("json")
 b64challenge = base64.b64encode(challenge).decode()
 payload["getWidevineLicense"]["widevineChallenge"]=b64challenge
 res = await (await pyfetch(licUrl,