title |
---|
request-validation |
request-validation
plugin validates the requests before forwarding to an upstream service. The validation plugin uses
json-schema to validate the schema. The plugin can be used to validate the headers and body data.
For more information on schema, refer to JSON schema for more information.
Note that at least one of
header_schema
andbody_schema
must be filled in.
Name | Type | Requirement | Default | Valid | Description |
---|---|---|---|---|---|
header_schema | object | optional | schema for the header data | ||
body_schema | object | optional | schema for the body data | ||
rejected_message | string | optional | the custom rejected message |
Create a route and enable the request-validation plugin on the route:
curl http://127.0.0.1:9080/apisix/admin/routes/5 -H 'X-API-KEY: edd1c9f034335f136f87ad84b625c8f1' -X PUT -d '
{
"uri": "/get",
"plugins": {
"request-validation": {
"body_schema": {
"type": "object",
"required": ["required_payload"],
"properties": {
"required_payload": {"type": "string"},
"boolean_payload": {"type": "boolean"}
},
"rejected_message": "customize reject message"
}
}
},
"upstream": {
"type": "roundrobin",
"nodes": {
"127.0.0.1:8080": 1
}
}
}'
curl --header "Content-Type: application/json" \
--request POST \
--data '{"boolean-payload":true,"required_payload":"hello"}' \
http://127.0.0.1:9080/get
If the schema is violated the plugin will yield a 400
bad request with the reject response.
Remove the corresponding json configuration in the plugin configuration to disable the request-validation
.
APISIX plugins are hot-reloaded, therefore no need to restart APISIX.
curl http://127.0.0.1:9080/apisix/admin/routes/5 -H 'X-API-KEY: edd1c9f034335f136f87ad84b625c8f1' -X PUT -d '
{
"uri": "/get",
"plugins": {
},
"upstream": {
"type": "roundrobin",
"nodes": {
"127.0.0.1:8080": 1
}
}
}'
Enum
validate:
{
"body_schema": {
"type": "object",
"required": ["required_payload"],
"properties": {
"enum_payload": {
"type": "string",
"enum": ["enum_string_1", "enum_string_2"],
"default": "enum_string_1"
}
}
}
}
Boolean
validate:
{
"body_schema": {
"type": "object",
"required": ["bool_payload"],
"properties": {
"bool_payload": {
"type": "boolean",
"default": true
}
}
}
}
Number
or Integer
validate:
{
"body_schema": {
"type": "object",
"required": ["integer_payload"],
"properties": {
"integer_payload": {
"type": "integer",
"minimum": 1,
"maximum": 65535
}
}
}
}
String
validate:
{
"body_schema": {
"type": "object",
"required": ["string_payload"],
"properties": {
"string_payload": {
"type": "string",
"minLength": 1,
"maxLength": 32
}
}
}
}
Regex
validate:
{
"body_schema": {
"type": "object",
"required": ["regex_payload"],
"properties": {
"regex_payload": {
"type": "string",
"minLength": 1,
"maxLength": 32,
"pattern": "[[^[a-zA-Z0-9_]+$]]"
}
}
}
}
Array
validate:
{
"body_schema": {
"type": "object",
"required": ["array_payload"],
"properties": {
"array_payload": {
"type": "array",
"minItems": 1,
"items": {
"type": "integer",
"minimum": 200,
"maximum": 599
},
"uniqueItems": true,
"default": [200, 302]
}
}
}
}
Multi-field combination verification:
{
"body_schema": {
"type": "object",
"required": ["boolean_payload", "array_payload", "regex_payload"],
"properties": {
"boolean_payload": {
"type": "boolean"
},
"array_payload": {
"type": "array",
"minItems": 1,
"items": {
"type": "integer",
"minimum": 200,
"maximum": 599
},
"uniqueItems": true,
"default": [200, 302]
},
"regex_payload": {
"type": "string",
"minLength": 1,
"maxLength": 32,
"pattern": "[[^[a-zA-Z0-9_]+$]]"
}
}
}
}
Custom rejected message:
{
"uri": "/get",
"plugins": {
"request-validation": {
"body_schema": {
"type": "object",
"required": ["required_payload"],
"properties": {
"required_payload": {"type": "string"},
"boolean_payload": {"type": "boolean"}
},
"rejected_message": "customize reject message"
}
}
},
"upstream": {
"type": "roundrobin",
"nodes": {
"127.0.0.1:8080": 1
}
}
}
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