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#!/usr/bin/python3
# Copyright (C) 2024 iopsys Software Solutions AB
# Author: Amin Ben Romdhane <amin.benromdhane@iopsys.eu>
import sys
import json
from jsonschema import validate
JSON_PLUGIN_VERSION = 0
obj_schema = {
"definitions": {
"type_t": {
"type": "string",
"enum": [
"object"
]
},
"map_type_t": {
"type": "string",
"enum": [
"uci",
"ubus"
]
},
"protocols_t": {
"type": "string",
"enum": [
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"cwmp",
"usp"
]
}
},
"type" : "object",
"properties" : {
"type" : {"$ref": "#/definitions/type_t"},
"version" : {"type": "string"},
"protocols" : {"type" : "array", "items" : {"$ref": "#/definitions/protocols_t"}},
"uniqueKeys" : {"type" : "array"},
"access" : {"type" : "boolean"},
"array" : {"type" : "boolean"},
"mapping" : {"type" : "object", "properties" : {
"type" : {"$ref": "#/definitions/map_type_t"},
"uci" : {"type" : "object", "properties" : {
"file" : {"type": "string"},
"section" : {"type": "object", "properties" : {
"type" : {"type": "string"}
}
},
"dmmapfile" : {"type": "string"}
}
},
"ubus" : {"type" : "object", "properties" : {
"object" : {"type": "string"},
"method" : {"type": "string"},
"args" : {"type": "object"},
"key" : {"type": "string"}
}
}
}
}
},
"required": [
"type",
"protocols",
"array",
"access"
]
}
obj_schema_v1 = {
"definitions": {
"type_t": {
"type": "string",
"enum": [
"object"
]
},
"map_type_t": {
"type": "string",
"enum": [
"uci",
"ubus"
]
},
"protocols_t": {
"type": "string",
"enum": [
"cwmp",
"usp",
"none"
]
}
},
"type" : "object",
"properties" : {
"type" : {"$ref": "#/definitions/type_t"},
"version" : {"type": "string"},
"protocols" : {"type" : "array", "items" : {"$ref": "#/definitions/protocols_t"}},
"uniqueKeys" : {"type" : "array"},
"access" : {"type" : "boolean"},
"array" : {"type" : "boolean"},
"mapping" : {"type" : "array", "items" : {
"type" : "object", "properties" : {
"type" : {"$ref": "#/definitions/map_type_t"},
"uci" : {"type" : "object", "properties" : {
"file" : {"type": "string"},
"section" : {"type": "object", "properties" : {
"type" : {"type": "string"}
}
},
"dmmapfile" : {"type": "string"}
}
},
"ubus" : {"type" : "object", "properties" : {
"object" : {"type": "string"},
"method" : {"type": "string"},
"args" : {"type": "object"},
"key" : {"type": "string"}
}
}
}
}
}
},
"required": [
"type",
"protocols",
"array",
"access"
]
}
param_schema = {
"definitions": {
"type_t": {
"type": "string",
"enum": [
"string",
"unsignedInt",
"unsignedLong",
"int",
"long",
"boolean",
"dateTime",
"hexBinary",
"base64",
"decimal"
]
},
"map_type_t": {
"type": "string",
"enum": [
"uci",
"ubus",
"procfs",
"sysfs",
"json",
"uci_sec"
]
},
"protocols_t": {
"type": "string",
"enum": [
"cwmp",
"usp",
"none"
]
}
},
"type" : "object",
"properties" : {
"type" : {"$ref": "#/definitions/type_t"},
"protocols" : {"type" : "array", "items" : {"$ref": "#/definitions/protocols_t"}},
"read" : {"type" : "boolean"},
"write" : {"type" : "boolean"},
"mapping" : {"type" : "array", "items" : {"type": "object", "properties" : {
"type" : {"$ref": "#/definitions/map_type_t"},
"uci" : {"type" : "object", "properties" : {
"file" : {"type": "string"},
"section" : {"type": "object", "properties" : {
"type" : {"type": "string"},
"index" : {"type": "string"}
}
},
"option" : {"type": "object", "properties" : {
"name" : {"type": "string"} }
}
}
},
"ubus" : {"type" : "object", "properties" : {
"object" : {"type": "string"},
"method" : {"type": "string"},
"args" : {"type": "object"},
"key" : {"type": "string"}
}
},
"procfs" : {"type" : "object", "properties" : {
"file" : {"type": "string"}
}
},
"sysfs" : {"type" : "object", "properties" : {
"file" : {"type": "string"}
}
}
}
}
}
},
"required": [
"type",
"protocols",
"read",
"write"
]
}
event_schema = {
"definitions": {
"type_t": {
"type": "string",
"enum": [
"event"
]
},
"protocols_t": {
"type": "string",
"enum": [
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"usp"
]
}
},
"type" : "object",
"properties" : {
"type" : {"$ref": "#/definitions/type_t"},
"version" : {"type": "string"},
"protocols" : {"type" : "array", "items" : {"$ref": "#/definitions/protocols_t"}}
},
"required": [
"type",
"protocols"
]
}
command_schema = {
"definitions": {
"type_t": {
"type": "string",
"enum": [
"command"
]
},
"protocols_t": {
"type": "string",
"enum": [
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"usp"
]
}
},
"type" : "object",
"properties" : {
"type" : {"$ref": "#/definitions/type_t"},
"async" : {"type" : "boolean"},
"protocols" : {"type" : "array", "items" : {"$ref": "#/definitions/protocols_t"}},
"input" : {"type" : "object"},
"output" : {"type" : "object"}
},
"required": [
"type",
"async",
"protocols"
]
}
def print_validate_json_usage():
print("Usage: " + sys.argv[0] + " <dm json file>")
print("Examples:")
print(" - " + sys.argv[0] + " datamodel.json")
print(" ==> Validate the json file")
print("")
exit(1)
def parse_value( key , value ):
if key.endswith('.') and not key.startswith('Device.'):
print(key + " is not a valid path")
exit(1)
if key.endswith('.') and (JSON_PLUGIN_VERSION == 1 or JSON_PLUGIN_VERSION == 2):
__schema = obj_schema_v1
elif key.endswith('.'):
__schema = obj_schema
elif key.endswith('!'):
__schema = event_schema
elif key.endswith('()'):
__schema = command_schema
else:
__schema = param_schema
validate(instance = value, schema = __schema)
for k, v in value.items():
if k != "list" and k != "mapping" and k != "input" and k != "output" and isinstance(v, dict):
parse_value(k, v)
### main ###
if len(sys.argv) < 2:
print_validate_json_usage()
json_file = open(sys.argv[1], "r", encoding='utf-8')
try:
json_data = json.loads(json_file.read())
except ValueError:
print(sys.argv[1] + " file has a wrong JSON format!!!!!")
exit(1)
for __key, __value in json_data.items():
if __key == "json_plugin_version":
if not isinstance(__value, int) or __value not in [0, 1, 2]:
raise ValueError("Invalid value for json_plugin_version")
JSON_PLUGIN_VERSION = __value
continue
parse_value(__key , __value)
print("JSON File is Valid")