schema.js

//client schema
//>>>declare<<<
let DeclareSchema = {
  "type": "object",
  "required": ["Action", "Timestamp", "PublicKey", "Signature"],
  "maxProperties": 4,
  "properties": {
    "Action": {
      "type": "number"
    },
    "Timestamp": {
      "type": "number"
    },
    "PublicKey": {
      "type": "string"
    },
    "Signature": {
      "type": "string"
    }
  }
}

let ObjectResponseSchema = {
  "type": "object",
  "required": ["Action", "Object", "To", "Timestamp", "PublicKey", "Signature"],
  "maxProperties": 6,
  "properties": {
    "Action": {
      "type": "number"
    },
    "Object": {
      "type": "object"
    },
    "To": {
      "type": "string"
    },
    "Timestamp": {
      "type": "number"
    },
    "PublicKey": {
      "type": "string"
    },
    "Signature": {
      "type": "string"
    }
  }
}

//>>>bulletin<<<
let BulletinRandomSchema = {
  "type": "object",
  "required": ["Action", "Timestamp", "PublicKey", "Signature"],
  "maxProperties": 4,
  "properties": {
    "Action": {
      "type": "number"
    },
    "Timestamp": {
      "type": "number"
    },
    "PublicKey": {
      "type": "string"
    },
    "Signature": {
      "type": "string"
    }
  }
}

let BulletinRequestSchema = {
  "type": "object",
  "required": ["Action", "Address", "Sequence", "To", "Timestamp", "PublicKey", "Signature"],
  "maxProperties": 7,
  "properties": {
    "Action": {
      "type": "number"
    },
    "Address": {
      "type": "string"
    },
    "Sequence": {
      "type": "number"
    },
    "To": {
      "type": "string"
    },
    "Timestamp": {
      "type": "number"
    },
    "PublicKey": {
      "type": "string"
    },
    "Signature": {
      "type": "string"
    }
  }
}

let FileRequestSchema = {
  "type": "object",
  "required": ["Action", "SHA1", "CurrentChunk", "To", "Timestamp", "PublicKey", "Signature"],
  "maxProperties": 7,
  "properties": {
    "Action": {
      "type": "number"
    },
    "SHA1": {
      "type": "string"
    },
    "CurrentChunk": {
      "type": "number"
    },
    "To": {
      "type": "string"
    },
    "Timestamp": {
      "type": "number"
    },
    "PublicKey": {
      "type": "string"
    },
    "Signature": {
      "type": "string"
    }
  }
}

//>>>chat<<<
let ChatMessageSchema = {
  "type": "object",
  "required": ["Action", "Sequence", "PreHash", "PairHash", "Content", "To", "Timestamp", "PublicKey", "Signature"],
  "maxProperties": 9,
  "properties": {
    "Action": {
      "type": "number"
    },
    "Sequence": {
      "type": "number"
    },
    "PreHash": {
      "type": "string"
    },
    "PairHash": {
      "type": "array",
      "minItems": 0,
      "maxItems": 8,
      "items": {
        "type": "string",
      }
    },
    "Content": {
      "type": "string"
    },
    "To": {
      "type": "string"
    },
    "Timestamp": {
      "type": "number"
    },
    "PublicKey": {
      "type": "string"
    },
    "Signature": {
      "type": "string"
    }
  }
}

let ChatSyncSchema = {
  "type": "object",
  "required": ["Action", "CurrentSequence", "To", "Timestamp", "PublicKey", "Signature"],
  "maxProperties": 6,
  "properties": {
    "Action": {
      "type": "number"
    },
    "CurrentSequence": {
      "type": "number"
    },
    "To": {
      "type": "string"
    },
    "Timestamp": {
      "type": "number"
    },
    "PublicKey": {
      "type": "string"
    },
    "Signature": {
      "type": "string"
    }
  }
}

//ChatDH
let ChatDHSchema = {
  "type": "object",
  "required": ["Action", "Division", "Sequence", "DHPublicKey", "Pair", "To", "Timestamp", "PublicKey", "Signature"],
  "maxProperties": 9,
  "properties": {
    "Action": {
      "type": "number"
    },
    "Division": {
      "type": "number"
    },
    "Sequence": {
      "type": "number"
    },
    "DHPublicKey": {
      "type": "string"
    },
    "Pair": {
      "type": "string"
    },
    "To": {
      "type": "string"
    },
    "Timestamp": {
      "type": "number"
    },
    "PublicKey": {
      "type": "string"
    },
    "Signature": {
      "type": "string"
    }
  }
}

//>>>group<<<
//group request
let GroupRequestSchema = {
  "type": "object",
  "required": ["Action", "GroupHash", "GroupManageAction", "To", "Timestamp", "PublicKey", "Signature"],
  "maxProperties": 7,
  "properties": {
    "Action": {
      "type": "number"
    },
    "GroupHash": {
      "type": "string"
    },
    //leave:0
    //join:1
    "GroupManageAction": {
      "type": "number"
    },
    "To": {
      "type": "string"
    },
    "Timestamp": {
      "type": "number"
    },
    "PublicKey": {
      "type": "string"
    },
    "Signature": {
      "type": "string"
    }
  }
}

let GroupManageSyncSchema = {
  "type": "object",
  "required": ["Action", "GroupHash", "CurrentSequence", "To", "Timestamp", "PublicKey", "Signature"],
  "maxProperties": 7,
  "properties": {
    "Action": {
      "type": "number"
    },
    "GroupHash": {
      "type": "string"
    },
    "CurrentSequence": {
      "type": "number"
    },
    "To": {
      "type": "string"
    },
    "Timestamp": {
      "type": "number"
    },
    "PublicKey": {
      "type": "string"
    },
    "Signature": {
      "type": "string"
    }
  }
}

let GroupDHSchema = {
  "type": "object",
  "required": ["Action", "GroupHash", "DHPublicKey", "Pair", "To", "Timestamp", "PublicKey", "Signature"],
  "maxProperties": 8,
  "properties": {
    "Action": {
      "type": "number"
    },
    "GroupHash": {
      "type": "string"
    },
    "DHPublicKey": {
      "type": "string"
    },
    "Pair": {
      "type": "string"
    },
    "To": {
      "type": "string"
    },
    "Timestamp": {
      "type": "number"
    },
    "PublicKey": {
      "type": "string"
    },
    "Signature": {
      "type": "string"
    }
  }
}

let GroupMessageSyncSchema = {
  "type": "object",
  "required": ["Action", "GroupHash", "Address", "CurrentSequence", "To", "Timestamp", "PublicKey", "Signature"],
  "maxProperties": 8,
  "properties": {
    "Action": {
      "type": "number"
    },
    "GroupHash": {
      "type": "string"
    },
    "Address": {
      "type": "string"
    },
    "CurrentSequence": {
      "type": "number"
    },
    "To": {
      "type": "string"
    },
    "Timestamp": {
      "type": "number"
    },
    "PublicKey": {
      "type": "string"
    },
    "Signature": {
      "type": "string"
    }
  }
}
//end client schema

var Ajv = require('ajv')
var ajv = new Ajv({ allErrors: true })

//client
var vDeclare = ajv.compile(DeclareSchema)
var vObjectResponseSchema = ajv.compile(ObjectResponseSchema)

var vBulletinRandomSchema = ajv.compile(BulletinRandomSchema)
var vBulletinRequestSchema = ajv.compile(BulletinRequestSchema)
var vFileRequestSchema = ajv.compile(FileRequestSchema)

var vChatMessageSchema = ajv.compile(ChatMessageSchema)
var vChatSyncSchema = ajv.compile(ChatSyncSchema)
var vChatDHSchema = ajv.compile(ChatDHSchema)

var vGroupManageSyncSchema = ajv.compile(GroupManageSyncSchema)
var vGroupDHSchema = ajv.compile(GroupDHSchema)
var vGroupMessageSyncSchema = ajv.compile(GroupMessageSyncSchema)
var vGroupRequestSchema = ajv.compile(GroupRequestSchema)

function checkClientSchema(strJson) {
  if (typeof strJson == "string") {
    try {
      let json = JSON.parse(strJson)
      if (vObjectResponseSchema(json) || vBulletinRandomSchema(json) || vBulletinRequestSchema(json) || vFileRequestSchema(json) || vChatMessageSchema(json) || vChatSyncSchema(json) || vChatDHSchema(json) || vDeclare(json) || vGroupRequestSchema(json) || vGroupManageSyncSchema(json) || vGroupDHSchema(json) || vGroupMessageSyncSchema(json)) {
        return json
      } else {
        return false
      }
    } catch (e) {
      return false
    }
  } else {
    return false
  }
}


module.exports = {
  checkClientSchema
}