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http_request.go
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http_request.go
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// Copyright 2021 Nitric Pty Ltd.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package triggers
import (
"strings"
"github.com/valyala/fasthttp"
)
// HttpRequest - Storage information that captures a HTTP Request
type HttpRequest struct {
Header map[string][]string
// The original body stream
Body []byte
// The original method
Method string
// The original path
Path string
// URL
URL string
// URL query parameters
Query map[string][]string
// Path parameters
Params map[string]string
}
func (*HttpRequest) GetTriggerType() TriggerType {
return TriggerType_Request
}
func HttpHeaders(rh *fasthttp.RequestHeader) map[string][]string {
headerCopy := make(map[string][]string)
rh.VisitAll(func(key []byte, val []byte) {
keyString := string(key)
if strings.ToLower(keyString) == "host" {
// Don't copy the host header
headerCopy["X-Forwarded-For"] = []string{string(val)}
} else {
headerCopy[string(key)] = append(headerCopy[string(key)], string(val))
}
})
return headerCopy
}
// FromHttpRequest (constructs a HttpRequest source type from a HttpRequest)
func FromHttpRequest(rc *fasthttp.RequestCtx) *HttpRequest {
headerCopy := HttpHeaders(&rc.Request.Header)
queryArgs := make(map[string][]string)
rc.QueryArgs().VisitAll(func(key []byte, val []byte) {
k := string(key)
if queryArgs[k] == nil {
queryArgs[k] = make([]string, 0)
}
queryArgs[k] = append(queryArgs[k], string(val))
})
return &HttpRequest{
Header: headerCopy,
Body: rc.Request.Body(),
Method: string(rc.Method()),
URL: rc.URI().String(),
Path: string(rc.URI().PathOriginal()),
Query: queryArgs,
}
}