new plugin: data-validator

[membphis]

Apache APISIX currently has a very high-performance jsonschema implementation that can be used to validate request parameters or request bodies.

When the verification succeeds or fails, the response specifies the response code to the requesting client.

Here is a mini case:

data_valitator = {
    var = "args_name",
    schema = {
        type = "string",
        minLength = 1,
        maxLength = 32,
        pattern = [[^[\w]+$]]
    },
    fail_code = 400,
}

data_valitator = {
    var = "args_name",
    schema = {
        type = "string",
        minLength = 1,
        maxLength = 32,
        pattern = [[^[\w]+$]]
    },
    succ_code = 200
}

[moonming]

Is it support json schema v4 or v5?

[moonming]

    succ_code = 200

I think we don't need succ_code

[membphis]

Is it support json schema v4 or v5?

support draft4, draft6 and draft7.

[membphis]

related PR: #1709